From: wdenk Date: Fri, 12 Mar 2004 00:14:09 +0000 (+0000) Subject: Add support for Siemens SX1 mobile phone; X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=232c150a250bb2fcb894b15d67c65df2458e271f;p=u-boot.git Add support for Siemens SX1 mobile phone; add support for USB-based console (enable with "setenv stdout usbtty; setenv stdin usbtty") --- diff --git a/CHANGELOG b/CHANGELOG index aa6bfe5acf..9bebdeb944 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,9 @@ Changes for U-Boot 1.0.2: ====================================================================== +* Add support for SX1 mobile phone; add support for USB-based console + (enable with "setenv stdout usbtty; setenv stdin usbtty") + * Fix LOWBOOT configuration for MPC5200 with DDR memory * Fix SDRAM timings for LITE5200 / IceCube board @@ -15,7 +18,7 @@ Changes for U-Boot 1.0.2: * Patch by Stephan Linz, 26 Feb 2004: Bug fix for NFS code on NIOS targets - + * Patch by Stephen Williams, 26 Feb 2004: Break up SystemACE reads of large block counts diff --git a/Makefile b/Makefile index b10acbb6e1..d1593eefd8 100644 --- a/Makefile +++ b/Makefile @@ -921,6 +921,9 @@ xtract_trab = $(subst _bigram,,$(subst _bigflash,,$(subst _old,,$(subst _config, xtract_omap1610xxx = $(subst _cs0boot,,$(subst _cs3boot,, $(subst _config,,$1))) +SX1_config : unconfig + @./mkconfig $(@:_config=) arm arm925t sx1 + omap1510inn_config : unconfig @./mkconfig $(@:_config=) arm arm925t omap1510inn diff --git a/board/sx1/Makefile b/board/sx1/Makefile new file mode 100644 index 0000000000..808c76afe5 --- /dev/null +++ b/board/sx1/Makefile @@ -0,0 +1,47 @@ +# +# (C) Copyright 2004 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := sx1.o flash.o +SOBJS := platform.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $^ + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/sx1/config.mk b/board/sx1/config.mk new file mode 100644 index 0000000000..4902e82332 --- /dev/null +++ b/board/sx1/config.mk @@ -0,0 +1,19 @@ +# +# (C) Copyright 2004 +# Wolfgang Denk, DENX Software Engineering, +# +# SX1 board with OMAP1510 (ARM925T) cpu +# see http://www.ti.com/ for more information on Texas Insturments +# +# SX1 has 1 bank of 256 MB SDRAM +# Physical Address: +# 1000'0000 to 2000'0000 +# +# +# Linux-Kernel is expected to be at 1000'8000, entry 1000'8000 (mem base + reserved) +# +# we load ourself to 1108'0000 +# +# + +TEXT_BASE = 0x11080000 diff --git a/board/sx1/flash.c b/board/sx1/flash.c new file mode 100644 index 0000000000..a4bed61474 --- /dev/null +++ b/board/sx1/flash.c @@ -0,0 +1,436 @@ +/* + * (C) Copyright 2001 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include + +#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */ +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/* Board support for 1 or 2 flash devices */ +#undef FLASH_PORT_WIDTH32 +#define FLASH_PORT_WIDTH16 + +#ifdef FLASH_PORT_WIDTH16 +#define FLASH_PORT_WIDTH ushort +#define FLASH_PORT_WIDTHV vu_short +#define SWAP(x) __swab16(x) +#else +#define FLASH_PORT_WIDTH ulong +#define FLASH_PORT_WIDTHV vu_long +#define SWAP(x) __swab32(x) +#endif + +#define FPW FLASH_PORT_WIDTH +#define FPWV FLASH_PORT_WIDTHV + +#define mb() __asm__ __volatile__ ("" : : : "memory") + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (FPW * addr, flash_info_t * info); +static int write_data (flash_info_t * info, ulong dest, FPW data); +static void flash_get_offsets (ulong base, flash_info_t * info); +void inline spin_wheel (void); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + int i; + ulong size = 0; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + switch (i) { + case 0: + flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]); + flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); + break; + case 1: + flash_get_size ((FPW *) PHYS_FLASH_2, &flash_info[i]); + flash_get_offsets (PHYS_FLASH_2, &flash_info[i]); + break; + default: + panic ("configured too many flash banks!\n"); + break; + } + size += flash_info[i].size; + } + + /* Protect monitor and environment sectors + */ + flash_protect ( FLAG_PROTECT_SET, + CFG_FLASH_BASE, + CFG_FLASH_BASE + monitor_flash_len - 1, + &flash_info[0]); + + flash_protect ( FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SIZE - 1, + &flash_info[0]); + + return size; +} + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t * info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + return; + } + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); + info->protect[i] = 0; + } + } +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t * info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_INTEL: + printf ("INTEL "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F128J3A: + printf ("28F128J3A\n"); + break; + case FLASH_28F640J3A: + printf ("28F640J3A\n"); + break; + default: + printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " "); + } + printf ("\n"); + return; +} + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size (FPW * addr, flash_info_t * info) +{ + volatile FPW value; + + /* Write auto select command: read Manufacturer ID */ + addr[0x5555] = (FPW) 0x00AA00AA; + addr[0x2AAA] = (FPW) 0x00550055; + addr[0x5555] = (FPW) 0x00900090; + + mb (); + value = addr[0]; + + switch (value) { + case (FPW) INTEL_MANUFACT: + info->flash_id = FLASH_MAN_INTEL; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ + return (0); /* no or unknown flash */ + } + + mb (); + value = addr[1]; /* device ID */ + switch (value) { + case (FPW) INTEL_ID_28F128J3A: + info->flash_id += FLASH_28F128J3A; + info->sector_count = 128; + info->size = 0x01000000; + break; /* => 16 MB */ + case (FPW) INTEL_ID_28F640J3A: + info->flash_id += FLASH_28F640J3A; + info->sector_count = 64; + info->size = 0x00800000; + break; /* => 8 MB */ + default: + info->flash_id = FLASH_UNKNOWN; + break; + } + + if (info->sector_count > CFG_MAX_FLASH_SECT) { + printf ("** ERROR: sector count %d > max (%d) **\n", + info->sector_count, CFG_MAX_FLASH_SECT); + info->sector_count = CFG_MAX_FLASH_SECT; + } + + addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + int flag, prot, sect; + ulong type, start, last; + int rcode = 0; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf ("- missing\n"); + } else { + printf ("- no sectors to erase\n"); + } + return 1; + } + + type = (info->flash_id & FLASH_VENDMASK); + if ((type != FLASH_MAN_INTEL)) { + printf ("Can't erase unknown flash type %08lx - aborted\n", + info->flash_id); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf ("\n"); + } + + /*start = get_timer (0); */ + last = start; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + FPWV *addr = (FPWV *) (info->start[sect]); + FPW status; + + printf ("Erasing sector %2d ... ", sect); + + /* arm simple, non interrupt dependent timer */ + reset_timer_masked (); + + *addr = (FPW) 0x00500050; /* clear status register */ + *addr = (FPW) 0x00200020; /* erase setup */ + *addr = (FPW) 0x00D000D0; /* erase confirm */ + + while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { + if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + *addr = (FPW) 0x00B000B0; /* suspend erase */ + *addr = (FPW) 0x00FF00FF; /* reset to read mode */ + rcode = 1; + break; + } + } + + *addr = (FPW) 0x00500050; /* clear status register cmd. */ + *addr = (FPW) 0x00FF00FF; /* resest to read mode */ + + printf (" done\n"); + } + } + return rcode; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + * 4 - Flash not identified + */ + +int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong cp, wp; + FPW data; + int count, i, l, rc, port_width; + + if (info->flash_id == FLASH_UNKNOWN) { + return 4; + } +/* get lower word aligned address */ +#ifdef FLASH_PORT_WIDTH16 + wp = (addr & ~1); + port_width = 2; +#else + wp = (addr & ~3); + port_width = 4; +#endif + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i = 0, cp = wp; i < l; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + for (; i < port_width && cnt > 0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt == 0 && i < port_width; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + if ((rc = write_data (info, wp, SWAP (data))) != 0) { + return (rc); + } + wp += port_width; + } + + /* + * handle word aligned part + */ + count = 0; + while (cnt >= port_width) { + data = 0; + for (i = 0; i < port_width; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_data (info, wp, SWAP (data))) != 0) { + return (rc); + } + wp += port_width; + cnt -= port_width; + if (count++ > 0x800) { + spin_wheel (); + count = 0; + } + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i < port_width; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + return (write_data (info, wp, SWAP (data))); +} + +/*----------------------------------------------------------------------- + * Write a word or halfword to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_data (flash_info_t * info, ulong dest, FPW data) +{ + FPWV *addr = (FPWV *) dest; + ulong status; + int flag; + + /* Check if Flash is (sufficiently) erased */ + if ((*addr & data) != data) { + printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr); + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + *addr = (FPW) 0x00400040; /* write setup */ + *addr = data; + + /* arm simple, non interrupt dependent timer */ + reset_timer_masked (); + + /* wait while polling the status register */ + while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { + + if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) { + *addr = (FPW) 0x00FF00FF; /* restore read mode */ + return (1); + } + } + + *addr = (FPW) 0x00FF00FF; /* restore read mode */ + + return (0); +} + +void inline spin_wheel (void) +{ + static int p = 0; + static char w[] = "\\/-"; + + printf ("\010%c", w[p]); + (++p == 3) ? (p = 0) : 0; +} diff --git a/board/sx1/platform.S b/board/sx1/platform.S new file mode 100644 index 0000000000..304812805a --- /dev/null +++ b/board/sx1/platform.S @@ -0,0 +1,406 @@ +/* + * Board specific setup info + * + * (C) Copyright 2003 + * Texas Instruments, + * + * -- Some bits of code used from rrload's head_OMAP1510.s -- + * Copyright (C) 2002 RidgeRun, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include + +#if defined(CONFIG_OMAP1510) +#include <./configs/omap1510.h> +#endif + +#define OMAP1510_CLKS ((1< + * + * (C) Copyright 2003 + * Texas Instruments, + * Kshitij Gupta + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include + +static void flash__init (void); +static void ether__init (void); + +static inline void delay (unsigned long loops) +{ + __asm__ volatile ("1:\n" + "subs %0, %1, #1\n" + "bne 1b":"=r" (loops):"0" (loops)); +} + +/* + * Miscellaneous platform dependent initialisations + */ + +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* arch number of SX1 Board */ + gd->bd->bi_arch_number = 241; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0x10000100; + +/* kk - this speeds up your boot a quite a bit. However to make it + * work, you need make sure your kernel startup flush bug is fixed. + * ... rkw ... + */ + icache_enable (); + + flash__init (); + ether__init (); + return 0; +} + + +int misc_init_r (void) +{ + /* volatile ushort *gdir = (ushort *) (GPIO_DIR_CONTROL_REG); */ + /* volatile ushort *mdir = (ushort *) (MPUIO_DIR_CONTROL_REG); */ + + /* setup gpio direction to match board (no floats!) */ + /**gdir = 0xCFF9; */ + /**mdir = 0x103F; */ + + return (0); +} + +/****************************** + Routine: + Description: +******************************/ +static void flash__init (void) +{ +#define CS0_CHIP_SELECT_REG 0xfffecc10 +#define CS3_CHIP_SELECT_REG 0xfffecc1c +#define EMIFS_GlB_Config_REG 0xfffecc0c + + unsigned int regval; + + regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG); + regval = regval | 0x0001; /* Turn off write protection for flash devices. */ + if (regval & 0x0002) { + regval = regval & 0xfffd; /* Swap CS0 and CS3 so that flash is visible at 0x0 and eeprom at 0x0c000000. */ + /* If, instead, you want to reference flash at 0x0c000000, then it seemed the following were necessary. */ + /* *((volatile unsigned int *)CS0_CHIP_SELECT_REG) = 0x202090; / * Overrides head.S setting of 0x212090 */ + /* *((volatile unsigned int *)CS3_CHIP_SELECT_REG) = 0x202090; / * Let's flash chips be fully functional. */ + } + *((volatile unsigned int *) EMIFS_GlB_Config_REG) = regval; +} + + +/****************************** + Routine: + Description: +******************************/ +static void ether__init (void) +{ +#define ETH_CONTROL_REG 0x0800000b + /* take the Ethernet controller out of reset and wait + * for the EEPROM load to complete. + */ + *((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01; + udelay (3); +} + + +int dram_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} diff --git a/board/sx1/u-boot.lds b/board/sx1/u-boot.lds new file mode 100644 index 0000000000..670f4db7bc --- /dev/null +++ b/board/sx1/u-boot.lds @@ -0,0 +1,56 @@ +/* + * (C) Copyright 2004 + * Wolfgang Denk, DENX Software Engineering, + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/ +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/arm925t/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} diff --git a/common/Makefile b/common/Makefile index eccb4e46f0..4c94fc03a1 100644 --- a/common/Makefile +++ b/common/Makefile @@ -1,5 +1,5 @@ # -# (C) Copyright 2000, 2001 +# (C) Copyright 2004 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # # See file CREDITS for list of people who contributed to this @@ -12,7 +12,7 @@ # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License @@ -47,7 +47,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o \ hush.o kgdb.o lists.o lynxkdi.o memsize.o miiphybb.o miiphyutil.o \ s_record.o soft_i2c.o soft_spi.o spartan2.o \ usb.o usb_kbd.o usb_storage.o \ - virtex2.o xilinx.o + virtex2.o xilinx.o circbuf.o OBJS = $(AOBJS) $(COBJS) @@ -55,7 +55,7 @@ CPPFLAGS += -I.. all: $(LIB) $(AOBJS) -$(LIB): .depend $(OBJS) +$(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) environment.o: environment.c ../tools/envcrc diff --git a/common/circbuf.c b/common/circbuf.c new file mode 100644 index 0000000000..2332c63717 --- /dev/null +++ b/common/circbuf.c @@ -0,0 +1,110 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include + +#include + + +int buf_init (circbuf_t * buf, unsigned int size) +{ + assert (buf != NULL); + + buf->size = 0; + buf->totalsize = size; + buf->data = (char *) malloc (sizeof (char) * size); + assert (buf->data != NULL); + + buf->top = buf->data; + buf->tail = buf->data; + buf->end = &(buf->data[size]); + + return 1; +} + +int buf_free (circbuf_t * buf) +{ + assert (buf != NULL); + assert (buf->data != NULL); + + free (buf->data); + memset (buf, 0, sizeof (circbuf_t)); + + return 1; +} + +int buf_pop (circbuf_t * buf, char *dest, unsigned int len) +{ + unsigned int i; + char *p = buf->top; + + assert (buf != NULL); + assert (dest != NULL); + + /* Cap to number of bytes in buffer */ + if (len > buf->size) + len = buf->size; + + for (i = 0; i < len; i++) { + dest[i] = *p++; + /* Bounds check. */ + if (p == buf->end) { + p = buf->data; + } + } + + /* Update 'top' pointer */ + buf->top = p; + buf->size -= len; + + return len; +} + +int buf_push (circbuf_t * buf, const char *src, unsigned int len) +{ + /* NOTE: this function allows push to overwrite old data. */ + unsigned int i; + char *p = buf->tail; + + assert (buf != NULL); + assert (src != NULL); + + for (i = 0; i < len; i++) { + *p++ = src[i]; + if (p == buf->end) { + p = buf->data; + } + /* Make sure pushing too much data just replaces old data */ + if (buf->size < buf->totalsize) { + buf->size++; + } else { + buf->top++; + if (buf->top == buf->end) { + buf->top = buf->data; + } + } + } + + /* Update 'tail' pointer */ + buf->tail = p; + + return len; +} diff --git a/common/cmd_load.c b/common/cmd_load.c index 702cab6dc6..b85db69e13 100644 --- a/common/cmd_load.c +++ b/common/cmd_load.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2003 + * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -104,8 +104,8 @@ int do_load_serial (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) * box some time (100 * 1 ms) */ for (i=0; i<100; ++i) { - if (serial_tstc()) { - (void) serial_getc(); + if (tstc()) { + (void) getc(); } udelay(1000); } @@ -220,9 +220,9 @@ read_record (char *buf, ulong len) --len; /* always leave room for terminating '\0' byte */ for (p=buf; p < buf+len; ++p) { - c = serial_getc(); /* read character */ + c = getc(); /* read character */ if (do_echo) - serial_putc (c); /* ... and echo it */ + putc (c); /* ... and echo it */ switch (c) { case '\r': @@ -237,7 +237,7 @@ read_record (char *buf, ulong len) } /* Check for the console hangup (if any different from serial) */ - if (gd->jt[XF_getc] != serial_getc) { + if (gd->jt[XF_getc] != getc) { if (ctrlc()) { return (-1); } @@ -387,7 +387,7 @@ write_record (char *buf) char c; while((c = *buf++)) - serial_putc(c); + putc(c); /* Check for the console hangup (if any different from serial) */ @@ -531,8 +531,8 @@ static ulong load_serial_bin (ulong offset) * box some time (100 * 1 ms) */ for (i=0; i<100; ++i) { - if (serial_tstc()) { - (void) serial_getc(); + if (tstc()) { + (void) getc(); } udelay(1000); } @@ -551,7 +551,7 @@ void send_pad (void) int count = his_pad_count; while (count-- > 0) - serial_putc (his_pad_char); + putc (his_pad_char); } /* converts escaped kermit char to binary char */ @@ -579,7 +579,7 @@ void s1_sendpacket (char *packet) { send_pad (); while (*packet) { - serial_putc (*packet++); + putc (*packet++); } } @@ -841,7 +841,7 @@ static int k_recv (void) /* get a packet */ /* wait for the starting character or ^C */ for (;;) { - switch (serial_getc ()) { + switch (getc ()) { case START_CHAR: /* start packet */ goto START; case ETX_CHAR: /* ^C waiting for packet */ @@ -853,13 +853,13 @@ static int k_recv (void) START: /* get length of packet */ sum = 0; - new_char = serial_getc (); + new_char = getc (); if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; length = untochar (new_char); /* get sequence number */ - new_char = serial_getc (); + new_char = getc (); if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; @@ -886,7 +886,7 @@ START: /* END NEW CODE */ /* get packet type */ - new_char = serial_getc (); + new_char = getc (); if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; @@ -896,19 +896,19 @@ START: if (length == -2) { /* (length byte was 0, decremented twice) */ /* get the two length bytes */ - new_char = serial_getc (); + new_char = getc (); if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; len_hi = untochar (new_char); - new_char = serial_getc (); + new_char = getc (); if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; len_lo = untochar (new_char); length = len_hi * 95 + len_lo; /* check header checksum */ - new_char = serial_getc (); + new_char = getc (); if ((new_char & 0xE0) == 0) goto packet_error; if (new_char != tochar ((sum + ((sum >> 6) & 0x03)) & 0x3f)) @@ -918,7 +918,7 @@ START: } /* bring in rest of packet */ while (length > 1) { - new_char = serial_getc (); + new_char = getc (); if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; @@ -935,13 +935,13 @@ START: } } /* get and validate checksum character */ - new_char = serial_getc (); + new_char = getc (); if ((new_char & 0xE0) == 0) goto packet_error; if (new_char != tochar ((sum + ((sum >> 6) & 0x03)) & 0x3f)) goto packet_error; /* get END_CHAR */ - new_char = serial_getc (); + new_char = getc (); if (new_char != END_CHAR) { packet_error: /* restore state machines */ diff --git a/common/devices.c b/common/devices.c index bf7486ac44..aa055339e8 100644 --- a/common/devices.c +++ b/common/devices.c @@ -194,6 +194,9 @@ int devices_init (void) drv_logbuff_init (); #endif drv_system_init (); +#ifdef CONFIG_USB_TTY + drv_usbtty_init (); +#endif return (0); } diff --git a/cpu/arm925t/interrupts.c b/cpu/arm925t/interrupts.c index 00e8c18e1d..d77c4e6f67 100644 --- a/cpu/arm925t/interrupts.c +++ b/cpu/arm925t/interrupts.c @@ -23,7 +23,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -107,15 +107,15 @@ void show_regs (struct pt_regs *regs) flags = condition_codes (regs); - printf ("pc : [<%08lx>] lr : [<%08lx>]\n" - "sp : %08lx ip : %08lx fp : %08lx\n", + printf ("pc : [<%08lx>] lr : [<%08lx>]\n" + "sp : %08lx ip : %08lx fp : %08lx\n", instruction_pointer (regs), regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp); - printf ("r10: %08lx r9 : %08lx r8 : %08lx\n", + printf ("r10: %08lx r9 : %08lx r8 : %08lx\n", regs->ARM_r10, regs->ARM_r9, regs->ARM_r8); - printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", + printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4); - printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", + printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0); printf ("Flags: %c%c%c%c", flags & CC_N_BIT ? 'N' : 'n', @@ -227,17 +227,17 @@ void udelay (unsigned long usec) #else ulong tmo, tmp; - if(usec >= 1000){ /* if "big" number, spread normalization to seconds */ - tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ - tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */ - tmo /= 1000; /* finish normalize. */ - }else{ /* else small number, don't kill it prior to HZ multiply */ + if(usec >= 1000){ /* if "big" number, spread normalization to seconds */ + tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ + tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */ + tmo /= 1000; /* finish normalize. */ + }else{ /* else small number, don't kill it prior to HZ multiply */ tmo = usec * CFG_HZ; tmo /= (1000*1000); } tmp = get_timer (0); /* get current timestamp */ - if( (tmo + tmp + 1) < tmp ) /* if setting this fordward will roll time stamp */ + if( (tmo + tmp + 1) < tmp ) /* if setting this fordward will roll time stamp */ reset_timer_masked (); /* reset "advancing" timestamp to 0, set lastdec value */ else tmo += tmp; /* else, set advancing stamp wake up time */ @@ -251,7 +251,7 @@ void reset_timer_masked (void) { /* reset time */ lastdec = READ_TIMER; /* capure current decrementer value time */ - timestamp = 0; /* start "advancing" time stamp from 0 */ + timestamp = 0; /* start "advancing" time stamp from 0 */ } ulong get_timer_masked (void) @@ -283,13 +283,13 @@ void udelay_masked (unsigned long usec) for (i=time_remaining; i>0; i--) { } #else - ulong tmo, tmp; + ulong tmo; - if(usec >= 1000){ /* if "big" number, spread normalization to seconds */ - tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ - tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */ - tmo /= 1000; /* finish normalize. */ - }else{ /* else small number, don't kill it prior to HZ multiply */ + if(usec >= 1000){ /* if "big" number, spread normalization to seconds */ + tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ + tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */ + tmo /= 1000; /* finish normalize. */ + }else{ /* else small number, don't kill it prior to HZ multiply */ tmo = usec * CFG_HZ; tmo /= (1000*1000); } diff --git a/drivers/Makefile b/drivers/Makefile index b333aed678..32a6a0607e 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -1,5 +1,5 @@ # -# (C) Copyright 2000 +# (C) Copyright 2000-2004 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # # See file CREDITS for list of people who contributed to this @@ -12,7 +12,7 @@ # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License @@ -29,7 +29,7 @@ LIB = libdrivers.a OBJS = 3c589.o 5701rls.o ali512x.o \ bcm570x.o bcm570x_autoneg.o cfb_console.o cfi_flash.o \ - cs8900.o ct69000.o dataflash.o dc2114x.o \ + cs8900.o ct69000.o dataflash.o dc2114x.o \ e1000.o eepro100.o \ i8042.o i82365.o inca-ip_sw.o \ lan91c96.o natsemi.o netarm_eth.o \ @@ -40,11 +40,12 @@ OBJS = 3c589.o 5701rls.o ali512x.o \ rtl8019.o rtl8139.o \ s3c24x0_i2c.o sed13806.o serial.o serial_max3100.o \ smc91111.o smiLynxEM.o status_led.o sym53c8xx.o \ - ti_pci1410a.o tigon3.o w83c553f.o + ti_pci1410a.o tigon3.o w83c553f.o omap1510_i2c.o \ + usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o all: $(LIB) -$(LIB): $(OBJS) +$(LIB): $(OBJS) $(AR) crv $@ $(OBJS) ######################################################################### diff --git a/drivers/ns16550.c b/drivers/ns16550.c index a7aa40ff32..05862ee6ec 100644 --- a/drivers/ns16550.c +++ b/drivers/ns16550.c @@ -18,7 +18,7 @@ void NS16550_init (NS16550_t com_port, int baud_divisor) { com_port->ier = 0x00; #ifdef CONFIG_OMAP1510 - com_port->mdr1 = 0x7; /* mode select reset TL16C750*/ + com_port->mdr1 = 0x7; /* mode select reset TL16C750*/ #endif com_port->lcr = LCR_BKSE | LCRVAL; com_port->dll = baud_divisor & 0xff; @@ -50,7 +50,12 @@ void NS16550_putc (NS16550_t com_port, char c) char NS16550_getc (NS16550_t com_port) { - while ((com_port->lsr & LSR_DR) == 0); + while ((com_port->lsr & LSR_DR) == 0) { +#ifdef CONFIG_USB_TTY + extern void usbtty_poll(void); + usbtty_poll(); +#endif + } return (com_port->rbr); } diff --git a/drivers/omap1510_i2c.c b/drivers/omap1510_i2c.c new file mode 100644 index 0000000000..04400fbcd2 --- /dev/null +++ b/drivers/omap1510_i2c.c @@ -0,0 +1,281 @@ +/* + * Basic I2C functions + * + * Copyright (c) 2003 Texas Instruments + * + * This package is free software; you can redistribute it and/or + * modify it under the terms of the license found in the file + * named COPYING that should have accompanied this file. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * Author: Jian Zhang jzhang@ti.com, Texas Instruments + * + * Copyright (c) 2003 Wolfgang Denk, wd@denx.de + * Rewritten to fit into the current U-Boot framework + * + */ + +#include + +#ifdef CONFIG_DRIVER_OMAP1510_I2C + +static void wait_for_bb (void); +static u16 wait_for_pin (void); + +void i2c_init (int speed, int slaveadd) +{ + u16 scl; + + if (inw (I2C_CON) & I2C_CON_EN) { + outw (0, I2C_CON); + udelay (5000); + } + + /* 12Mhz I2C module clock */ + outw (0, I2C_PSC); + outw (I2C_CON_EN, I2C_CON); + outw (0, I2C_SYSTEST); + /* have to enable intrrupts or OMAP i2c module doesn't work */ + outw (I2C_IE_XRDY_IE | I2C_IE_RRDY_IE | I2C_IE_ARDY_IE | + I2C_IE_NACK_IE | I2C_IE_AL_IE, I2C_IE); + scl = (12000000 / 2) / speed - 6; + outw (scl, I2C_SCLL); + outw (scl, I2C_SCLH); + /* own address */ + outw (slaveadd, I2C_OA); + outw (0, I2C_CNT); + udelay (1000); +} + +static int i2c_read_byte (u8 devaddr, u8 regoffset, u8 * value) +{ + int i2c_error = 0; + u16 status; + + /* wait until bus not busy */ + wait_for_bb (); + + /* one byte only */ + outw (1, I2C_CNT); + /* set slave address */ + outw (devaddr, I2C_SA); + /* no stop bit needed here */ + outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX, I2C_CON); + + status = wait_for_pin (); + + if (status & I2C_STAT_XRDY) { + /* Important: have to use byte access */ + *(volatile u8 *) (I2C_DATA) = regoffset; + udelay (20000); + if (inw (I2C_STAT) & I2C_STAT_NACK) { + i2c_error = 1; + } + } else { + i2c_error = 1; + } + + if (!i2c_error) { + /* free bus, otherwise we can't use a combined transction */ + outw (0, I2C_CON); + while (inw (I2C_STAT) || (inw (I2C_CON) & I2C_CON_MST)) { + udelay (10000); + /* Have to clear pending interrupt to clear I2C_STAT */ + inw (I2C_IV); + } + + wait_for_bb (); + /* set slave address */ + outw (devaddr, I2C_SA); + /* read one byte from slave */ + outw (1, I2C_CNT); + /* need stop bit here */ + outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP, + I2C_CON); + + status = wait_for_pin (); + if (status & I2C_STAT_RRDY) { + *value = inw (I2C_DATA); + udelay (20000); + } else { + i2c_error = 1; + } + + if (!i2c_error) { + outw (I2C_CON_EN, I2C_CON); + while (inw (I2C_STAT) + || (inw (I2C_CON) & I2C_CON_MST)) { + udelay (10000); + inw (I2C_IV); + } + } + } + + return i2c_error; +} + +static int i2c_write_byte (u8 devaddr, u8 regoffset, u8 value) +{ + int i2c_error = 0; + u16 status; + + /* wait until bus not busy */ + wait_for_bb (); + + /* two bytes */ + outw (2, I2C_CNT); + /* set slave address */ + outw (devaddr, I2C_SA); + /* stop bit needed here */ + outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX | + I2C_CON_STP, I2C_CON); + + /* wait until state change */ + status = wait_for_pin (); + + if (status & I2C_STAT_XRDY) { + /* send out two bytes */ + outw ((value << 8) + regoffset, I2C_DATA); + /* must have enough delay to allow BB bit to go low */ + udelay (30000); + if (inw (I2C_STAT) & I2C_STAT_NACK) { + i2c_error = 1; + } + } else { + i2c_error = 1; + } + + if (!i2c_error) { + outw (I2C_CON_EN, I2C_CON); + while (inw (I2C_STAT) || (inw (I2C_CON) & I2C_CON_MST)) { + udelay (1000); + /* have to read to clear intrrupt */ + inw (I2C_IV); + } + } + + return i2c_error; +} + +int i2c_probe (uchar chip) +{ + int res = 1; + + if (chip == inw (I2C_OA)) { + return res; + } + + /* wait until bus not busy */ + wait_for_bb (); + + /* try to read one byte */ + outw (1, I2C_CNT); + /* set slave address */ + outw (chip, I2C_SA); + /* stop bit needed here */ + outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP, I2C_CON); + /* enough delay for the NACK bit set */ + udelay (2000); + if (!(inw (I2C_STAT) & I2C_STAT_NACK)) { + res = 0; + } else { + outw (inw (I2C_CON) | I2C_CON_STP, I2C_CON); + udelay (20); + wait_for_bb (); + } + + return res; +} + +int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len) +{ + int i; + + if (alen > 1) { + printf ("I2C read: addr len %d not supported\n", alen); + return 1; + } + + if (addr + len > 256) { + printf ("I2C read: address out of range\n"); + return 1; + } + + for (i = 0; i < len; i++) { + if (i2c_read_byte (chip, addr + i, &buffer[i])) { + printf ("I2C read: I/O error\n"); + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + return 1; + } + } + + return 0; +} + +int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len) +{ + int i; + + if (alen > 1) { + printf ("I2C read: addr len %d not supported\n", alen); + return 1; + } + + if (addr + len > 256) { + printf ("I2C read: address out of range\n"); + return 1; + } + + for (i = 0; i < len; i++) { + if (i2c_write_byte (chip, addr + i, buffer[i])) { + printf ("I2C read: I/O error\n"); + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + return 1; + } + } + + return 0; +} + +static void wait_for_bb (void) +{ + int timeout = 10; + + while ((inw (I2C_STAT) & I2C_STAT_BB) && timeout--) { + inw (I2C_IV); + udelay (1000); + } + + if (timeout <= 0) { + printf ("timed out in wait_for_bb: I2C_STAT=%x\n", + inw (I2C_STAT)); + } +} + +static u16 wait_for_pin (void) +{ + u16 status, iv; + int timeout = 10; + + do { + udelay (1000); + status = inw (I2C_STAT); + iv = inw (I2C_IV); + } while (!iv && + !(status & + (I2C_STAT_ROVR | I2C_STAT_XUDF | I2C_STAT_XRDY | + I2C_STAT_RRDY | I2C_STAT_ARDY | I2C_STAT_NACK | + I2C_STAT_AL)) && timeout--); + + if (timeout <= 0) { + printf ("timed out in wait_for_pin: I2C_STAT=%x\n", + inw (I2C_STAT)); + } + + return status; +} + +#endif /* CONFIG_DRIVER_OMAP1510_I2C */ diff --git a/drivers/usbdcore.c b/drivers/usbdcore.c new file mode 100644 index 0000000000..308c7ceccc --- /dev/null +++ b/drivers/usbdcore.c @@ -0,0 +1,684 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * Based on + * linux/drivers/usbd/usbd.c.c - USB Device Core Layer + * + * Copyright (c) 2000, 2001, 2002 Lineo + * Copyright (c) 2001 Hewlett Packard + * + * By: + * Stuart Lynne , + * Tom Rushworth , + * Bruce Balden + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include +#include "usbdcore.h" + +#define MAX_INTERFACES 2 + + +int maxstrings = 20; + +/* Global variables ************************************************************************** */ + +struct usb_string_descriptor **usb_strings; + +int usb_devices; + +extern struct usb_function_driver ep0_driver; + +int registered_functions; +int registered_devices; + +char *usbd_device_events[] = { + "DEVICE_UNKNOWN", + "DEVICE_INIT", + "DEVICE_CREATE", + "DEVICE_HUB_CONFIGURED", + "DEVICE_RESET", + "DEVICE_ADDRESS_ASSIGNED", + "DEVICE_CONFIGURED", + "DEVICE_SET_INTERFACE", + "DEVICE_SET_FEATURE", + "DEVICE_CLEAR_FEATURE", + "DEVICE_DE_CONFIGURED", + "DEVICE_BUS_INACTIVE", + "DEVICE_BUS_ACTIVITY", + "DEVICE_POWER_INTERRUPTION", + "DEVICE_HUB_RESET", + "DEVICE_DESTROY", + "DEVICE_FUNCTION_PRIVATE", +}; + +char *usbd_device_states[] = { + "STATE_INIT", + "STATE_CREATED", + "STATE_ATTACHED", + "STATE_POWERED", + "STATE_DEFAULT", + "STATE_ADDRESSED", + "STATE_CONFIGURED", + "STATE_UNKNOWN", +}; + +char *usbd_device_requests[] = { + "GET STATUS", /* 0 */ + "CLEAR FEATURE", /* 1 */ + "RESERVED", /* 2 */ + "SET FEATURE", /* 3 */ + "RESERVED", /* 4 */ + "SET ADDRESS", /* 5 */ + "GET DESCRIPTOR", /* 6 */ + "SET DESCRIPTOR", /* 7 */ + "GET CONFIGURATION", /* 8 */ + "SET CONFIGURATION", /* 9 */ + "GET INTERFACE", /* 10 */ + "SET INTERFACE", /* 11 */ + "SYNC FRAME", /* 12 */ +}; + +char *usbd_device_descriptors[] = { + "UNKNOWN", /* 0 */ + "DEVICE", /* 1 */ + "CONFIG", /* 2 */ + "STRING", /* 3 */ + "INTERFACE", /* 4 */ + "ENDPOINT", /* 5 */ + "DEVICE QUALIFIER", /* 6 */ + "OTHER SPEED", /* 7 */ + "INTERFACE POWER", /* 8 */ +}; + +char *usbd_device_status[] = { + "USBD_OPENING", + "USBD_OK", + "USBD_SUSPENDED", + "USBD_CLOSING", +}; + + +/* Descriptor support functions ************************************************************** */ + + +/** + * usbd_get_string - find and return a string descriptor + * @index: string index to return + * + * Find an indexed string and return a pointer to a it. + */ +struct usb_string_descriptor *usbd_get_string (__u8 index) +{ + if (index >= maxstrings) { + return NULL; + } + return usb_strings[index]; +} + + +/* Access to device descriptor functions ***************************************************** */ + + +/* * + * usbd_device_configuration_instance - find a configuration instance for this device + * @device: + * @configuration: index to configuration, 0 - N-1 + * + * Get specifed device configuration. Index should be bConfigurationValue-1. + */ +static struct usb_configuration_instance *usbd_device_configuration_instance (struct usb_device_instance *device, + unsigned int port, unsigned int configuration) +{ + /* XXX */ + configuration = configuration ? configuration - 1 : 0; + + if (configuration >= device->configurations) { + return NULL; + } + return device->configuration_instance_array + configuration; +} + + +/* * + * usbd_device_interface_instance + * @device: + * @configuration: index to configuration, 0 - N-1 + * @interface: index to interface + * + * Return the specified interface descriptor for the specified device. + */ +struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *device, int port, int configuration, int interface) +{ + struct usb_configuration_instance *configuration_instance; + + if ((configuration_instance = usbd_device_configuration_instance (device, port, configuration)) == NULL) { + return NULL; + } + if (interface >= configuration_instance->interfaces) { + return NULL; + } + return configuration_instance->interface_instance_array + interface; +} + +/* * + * usbd_device_alternate_descriptor_list + * @device: + * @configuration: index to configuration, 0 - N-1 + * @interface: index to interface + * @alternate: alternate setting + * + * Return the specified alternate descriptor for the specified device. + */ +struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *device, int port, int configuration, int interface, int alternate) +{ + struct usb_interface_instance *interface_instance; + + if ((interface_instance = usbd_device_interface_instance (device, port, configuration, interface)) == NULL) { + return NULL; + } + + if (alternate >= interface_instance->alternates) { + return NULL; + } + + return interface_instance->alternates_instance_array + alternate; +} + + +/* * + * usbd_device_device_descriptor + * @device: which device + * @configuration: index to configuration, 0 - N-1 + * @port: which port + * + * Return the specified configuration descriptor for the specified device. + */ +struct usb_device_descriptor *usbd_device_device_descriptor (struct usb_device_instance *device, int port) +{ + return (device->device_descriptor); +} + + +/** + * usbd_device_configuration_descriptor + * @device: which device + * @port: which port + * @configuration: index to configuration, 0 - N-1 + * + * Return the specified configuration descriptor for the specified device. + */ +struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct + usb_device_instance + *device, int port, int configuration) +{ + struct usb_configuration_instance *configuration_instance; + if (!(configuration_instance = usbd_device_configuration_instance (device, port, configuration))) { + return NULL; + } + return (configuration_instance->configuration_descriptor); +} + + +/** + * usbd_device_interface_descriptor + * @device: which device + * @port: which port + * @configuration: index to configuration, 0 - N-1 + * @interface: index to interface + * @alternate: alternate setting + * + * Return the specified interface descriptor for the specified device. + */ +struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance + *device, int port, int configuration, int interface, int alternate) +{ + struct usb_interface_instance *interface_instance; + if (!(interface_instance = usbd_device_interface_instance (device, port, configuration, interface))) { + return NULL; + } + if ((alternate < 0) || (alternate >= interface_instance->alternates)) { + return NULL; + } + return (interface_instance->alternates_instance_array[alternate].interface_descriptor); +} + +/** + * usbd_device_endpoint_descriptor_index + * @device: which device + * @port: which port + * @configuration: index to configuration, 0 - N-1 + * @interface: index to interface + * @alternate: index setting + * @index: which index + * + * Return the specified endpoint descriptor for the specified device. + */ +struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance + *device, int port, int configuration, int interface, int alternate, int index) +{ + struct usb_alternate_instance *alternate_instance; + + if (!(alternate_instance = usbd_device_alternate_instance (device, port, configuration, interface, alternate))) { + return NULL; + } + if (index >= alternate_instance->endpoints) { + return NULL; + } + return *(alternate_instance->endpoints_descriptor_array + index); +} + + +/** + * usbd_device_endpoint_transfersize + * @device: which device + * @port: which port + * @configuration: index to configuration, 0 - N-1 + * @interface: index to interface + * @index: which index + * + * Return the specified endpoint transfer size; + */ +int usbd_device_endpoint_transfersize (struct usb_device_instance *device, int port, int configuration, int interface, int alternate, int index) +{ + struct usb_alternate_instance *alternate_instance; + + if (!(alternate_instance = usbd_device_alternate_instance (device, port, configuration, interface, alternate))) { + return 0; + } + if (index >= alternate_instance->endpoints) { + return 0; + } + return *(alternate_instance->endpoint_transfersize_array + index); +} + + +/** + * usbd_device_endpoint_descriptor + * @device: which device + * @port: which port + * @configuration: index to configuration, 0 - N-1 + * @interface: index to interface + * @alternate: alternate setting + * @endpoint: which endpoint + * + * Return the specified endpoint descriptor for the specified device. + */ +struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *device, int port, int configuration, int interface, int alternate, int endpoint) +{ + struct usb_endpoint_descriptor *endpoint_descriptor; + int i; + + for (i = 0; !(endpoint_descriptor = usbd_device_endpoint_descriptor_index (device, port, configuration, interface, alternate, i)); i++) { + if (endpoint_descriptor->bEndpointAddress == endpoint) { + return endpoint_descriptor; + } + } + return NULL; +} + +/** + * usbd_endpoint_halted + * @device: point to struct usb_device_instance + * @endpoint: endpoint to check + * + * Return non-zero if endpoint is halted. + */ +int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint) +{ + return (device->status == USB_STATUS_HALT); +} + + +/** + * usbd_rcv_complete - complete a receive + * @endpoint: + * @len: + * @urb_bad: + * + * Called from rcv interrupt to complete. + */ +void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad) +{ + if (endpoint) { + struct urb *rcv_urb; + + /*usbdbg("len: %d urb: %p\n", len, endpoint->rcv_urb); */ + + /* if we had an urb then update actual_length, dispatch if neccessary */ + if ((rcv_urb = endpoint->rcv_urb)) { + + /*usbdbg("actual: %d buffer: %d\n", */ + /*rcv_urb->actual_length, rcv_urb->buffer_length); */ + + /* check the urb is ok, are we adding data less than the packetsize */ + if (!urb_bad && (len <= endpoint->rcv_packetSize)) { + /*usbdbg("updating actual_length by %d\n",len); */ + + /* increment the received data size */ + rcv_urb->actual_length += len; + + } else { + usberr(" RECV_ERROR actual: %d buffer: %d urb_bad: %d\n", + rcv_urb->actual_length, rcv_urb->buffer_length, urb_bad); + + rcv_urb->actual_length = 0; + rcv_urb->status = RECV_ERROR; + } + } else { + usberr("no rcv_urb!"); + } + } else { + usberr("no endpoint!"); + } + +} + +/** + * usbd_tx_complete - complete a transmit + * @endpoint: + * @resetart: + * + * Called from tx interrupt to complete. + */ +void usbd_tx_complete (struct usb_endpoint_instance *endpoint) +{ + if (endpoint) { + struct urb *tx_urb; + + /* if we have a tx_urb advance or reset, finish if complete */ + if ((tx_urb = endpoint->tx_urb)) { + int sent = endpoint->last; + endpoint->sent += sent; + endpoint->last -= sent; + + if( (endpoint->tx_urb->actual_length - endpoint->sent) <= 0 ) { + tx_urb->actual_length = 0; + endpoint->sent = 0; + endpoint->last = 0; + + /* Remove from active, save for re-use */ + urb_detach(tx_urb); + urb_append(&endpoint->done, tx_urb); + /*usbdbg("done->next %p, tx_urb %p, done %p", */ + /* endpoint->done.next, tx_urb, &endpoint->done); */ + + endpoint->tx_urb = first_urb_detached(&endpoint->tx); + if( endpoint->tx_urb ) { + endpoint->tx_queue--; + usbdbg("got urb from tx list"); + } + if( !endpoint->tx_urb ) { + /*usbdbg("taking urb from done list"); */ + endpoint->tx_urb = first_urb_detached(&endpoint->done); + } + if( !endpoint->tx_urb ) { + usbdbg("allocating new urb for tx_urb"); + endpoint->tx_urb = usbd_alloc_urb(tx_urb->device, endpoint); + } + } + } + } +} + +/* URB linked list functions ***************************************************** */ + +/* + * Initialize an urb_link to be a single element list. + * If the urb_link is being used as a distinguished list head + * the list is empty when the head is the only link in the list. + */ +void urb_link_init (urb_link * ul) +{ + if (ul) { + ul->prev = ul->next = ul; + } +} + +/* + * Detach an urb_link from a list, and set it + * up as a single element list, so no dangling + * pointers can be followed, and so it can be + * joined to another list if so desired. + */ +void urb_detach (struct urb *urb) +{ + if (urb) { + urb_link *ul = &urb->link; + ul->next->prev = ul->prev; + ul->prev->next = ul->next; + urb_link_init (ul); + } +} + +/* + * Return the first urb_link in a list with a distinguished + * head "hd", or NULL if the list is empty. This will also + * work as a predicate, returning NULL if empty, and non-NULL + * otherwise. + */ +urb_link *first_urb_link (urb_link * hd) +{ + urb_link *nx; + if (NULL != hd && NULL != (nx = hd->next) && nx != hd) { + /* There is at least one element in the list */ + /* (besides the distinguished head). */ + return (nx); + } + /* The list is empty */ + return (NULL); +} + +/* + * Return the first urb in a list with a distinguished + * head "hd", or NULL if the list is empty. + */ +struct urb *first_urb (urb_link * hd) +{ + urb_link *nx; + if (NULL == (nx = first_urb_link (hd))) { + /* The list is empty */ + return (NULL); + } + return (p2surround (struct urb, link, nx)); +} + +/* + * Detach and return the first urb in a list with a distinguished + * head "hd", or NULL if the list is empty. + * + */ +struct urb *first_urb_detached (urb_link * hd) +{ + struct urb *urb; + if ((urb = first_urb (hd))) { + urb_detach (urb); + } + return urb; +} + + +/* + * Append an urb_link (or a whole list of + * urb_links) to the tail of another list + * of urb_links. + */ +void urb_append (urb_link * hd, struct urb *urb) +{ + if (hd && urb) { + urb_link *new = &urb->link; + + /* This allows the new urb to be a list of urbs, */ + /* with new pointing at the first, but the link */ + /* must be initialized. */ + /* Order is important here... */ + urb_link *pul = hd->prev; + new->prev->next = hd; + hd->prev = new->prev; + new->prev = pul; + pul->next = new; + } +} + +/* URB create/destroy functions ***************************************************** */ + +/** + * usbd_alloc_urb - allocate an URB appropriate for specified endpoint + * @device: device instance + * @endpoint: endpoint + * + * Allocate an urb structure. The usb device urb structure is used to + * contain all data associated with a transfer, including a setup packet for + * control transfers. + * + * NOTE: endpoint_address MUST contain a direction flag. + */ +struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint) +{ + struct urb *urb; + + if( !(urb = (struct urb*)malloc(sizeof(struct urb))) ) { + usberr(" F A T A L: malloc(%u) FAILED!!!!", sizeof(struct urb)); + return NULL; + } + + /* Fill in known fields */ + memset(urb, 0, sizeof(struct urb)); + urb->endpoint = endpoint; + urb->device = device; + urb->buffer = (u8*)urb->buffer_data; + urb->buffer_length = sizeof(urb->buffer_data); + + urb_link_init (&urb->link); + + return urb; +} + +/** + * usbd_dealloc_urb - deallocate an URB and associated buffer + * @urb: pointer to an urb structure + * + * Deallocate an urb structure and associated data. + */ +void usbd_dealloc_urb (struct urb *urb) +{ + if (urb) { + free (urb); + } +} + +/* Event signaling functions ***************************************************** */ + +/** + * usbd_device_event - called to respond to various usb events + * @device: pointer to struct device + * @event: event to respond to + * + * Used by a Bus driver to indicate an event. + */ +void usbd_device_event_irq (struct usb_device_instance *device, usb_device_event_t event, int data) +{ + usb_device_state_t state; + + if (!device || !device->bus) { + usberr("(%p,%d) NULL device or device->bus", device, event); + return; + } + + state = device->device_state; + + usbinfo("%s", usbd_device_events[event]); + + switch (event) { + case DEVICE_UNKNOWN: + break; + case DEVICE_INIT: + device->device_state = STATE_INIT; + break; + + case DEVICE_CREATE: + device->device_state = STATE_ATTACHED; + break; + + case DEVICE_HUB_CONFIGURED: + device->device_state = STATE_POWERED; + break; + + case DEVICE_RESET: + device->device_state = STATE_DEFAULT; + device->address = 0; + break; + + case DEVICE_ADDRESS_ASSIGNED: + device->device_state = STATE_ADDRESSED; + break; + + case DEVICE_CONFIGURED: + device->device_state = STATE_CONFIGURED; + break; + + case DEVICE_DE_CONFIGURED: + device->device_state = STATE_ADDRESSED; + break; + + case DEVICE_BUS_INACTIVE: + if (device->status != USBD_CLOSING) { + device->status = USBD_SUSPENDED; + } + break; + case DEVICE_BUS_ACTIVITY: + if (device->status != USBD_CLOSING) { + device->status = USBD_OK; + } + break; + + case DEVICE_SET_INTERFACE: + break; + case DEVICE_SET_FEATURE: + break; + case DEVICE_CLEAR_FEATURE: + break; + + case DEVICE_POWER_INTERRUPTION: + device->device_state = STATE_POWERED; + break; + case DEVICE_HUB_RESET: + device->device_state = STATE_ATTACHED; + break; + case DEVICE_DESTROY: + device->device_state = STATE_UNKNOWN; + break; + + case DEVICE_FUNCTION_PRIVATE: + break; + + default: + usbdbg("event %d - not handled",event); + break; + } + /*usbdbg("%s event: %d oldstate: %d newstate: %d status: %d address: %d", + device->name, event, state, + device->device_state, device->status, device->address); */ + + /* tell the bus interface driver */ + if( device->event ) { + /* usbdbg("calling device->event"); */ + device->event(device, event, data); + } +} diff --git a/drivers/usbdcore_ep0.c b/drivers/usbdcore_ep0.c new file mode 100644 index 0000000000..260befe978 --- /dev/null +++ b/drivers/usbdcore_ep0.c @@ -0,0 +1,686 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * Based on + * linux/drivers/usbd/ep0.c + * + * Copyright (c) 2000, 2001, 2002 Lineo + * Copyright (c) 2001 Hewlett Packard + * + * By: + * Stuart Lynne , + * Tom Rushworth , + * Bruce Balden + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* + * This is the builtin ep0 control function. It implements all required functionality + * for responding to control requests (SETUP packets). + * + * XXX + * + * Currently we do not pass any SETUP packets (or other) to the configured + * function driver. This may need to change. + * + * XXX + */ + +#include + +#if defined(CONFIG_OMAP1510) && defined(CONFIG_USB_DEVICE) +#include "usbdcore.h" + +#if 0 +#define dbg_ep0(lvl,fmt,args...) serial_printf("[%s] %s:%d: "fmt"\n",__FILE__,__FUNCTION__,__LINE__,##args) +#else +#define dbg_ep0(lvl,fmt,args...) +#endif + +/* EP0 Configuration Set ********************************************************************* */ + + +/** + * ep0_get_status - fill in URB data with appropriate status + * @device: + * @urb: + * @index: + * @requesttype: + * + */ +static int ep0_get_status (struct usb_device_instance *device, + struct urb *urb, int index, int requesttype) +{ + char *cp; + + urb->actual_length = 2; + cp = urb->buffer; + cp[0] = cp[1] = 0; + + switch (requesttype) { + case USB_REQ_RECIPIENT_DEVICE: + cp[0] = USB_STATUS_SELFPOWERED; + break; + case USB_REQ_RECIPIENT_INTERFACE: + break; + case USB_REQ_RECIPIENT_ENDPOINT: + cp[0] = usbd_endpoint_halted (device, index); + break; + case USB_REQ_RECIPIENT_OTHER: + urb->actual_length = 0; + default: + break; + } + dbg_ep0 (2, "%02x %02x", cp[0], cp[1]); + return 0; +} + +/** + * ep0_get_one + * @device: + * @urb: + * @result: + * + * Set a single byte value in the urb send buffer. Return non-zero to signal + * a request error. + */ +static int ep0_get_one (struct usb_device_instance *device, struct urb *urb, + __u8 result) +{ + urb->actual_length = 1; /* XXX 2? */ + ((char *) urb->buffer)[0] = result; + return 0; +} + +/** + * copy_config + * @urb: pointer to urb + * @data: pointer to configuration data + * @length: length of data + * + * Copy configuration data to urb transfer buffer if there is room for it. + */ +static void copy_config (struct urb *urb, void *data, int max_length, + int max_buf) +{ + int available; + int length; + + /*dbg_ep0(3, "-> actual: %d buf: %d max_buf: %d max_length: %d data: %p", */ + /* urb->actual_length, urb->buffer_length, max_buf, max_length, data); */ + + if (!data) { + dbg_ep0 (1, "data is NULL"); + return; + } + if (!(length = *(unsigned char *) data)) { + dbg_ep0 (1, "length is zero"); + return; + } + + if (length > max_length) { + dbg_ep0 (1, "length: %d >= max_length: %d", length, + max_length); + return; + } + /*dbg_ep0(1, " actual: %d buf: %d max_buf: %d max_length: %d length: %d", */ + /* urb->actual_length, urb->buffer_length, max_buf, max_length, length); */ + + if ((available = + /*urb->buffer_length */ max_buf - urb->actual_length) <= 0) { + return; + } + /*dbg_ep0(1, "actual: %d buf: %d max_buf: %d length: %d available: %d", */ + /* urb->actual_length, urb->buffer_length, max_buf, length, available); */ + + if (length > available) { + length = available; + } + /*dbg_ep0(1, "actual: %d buf: %d max_buf: %d length: %d available: %d", */ + /* urb->actual_length, urb->buffer_length, max_buf, length, available); */ + + memcpy (urb->buffer + urb->actual_length, data, length); + urb->actual_length += length; + + dbg_ep0 (3, + "copy_config: <- actual: %d buf: %d max_buf: %d max_length: %d available: %d", + urb->actual_length, urb->buffer_length, max_buf, max_length, + available); +} + +/** + * ep0_get_descriptor + * @device: + * @urb: + * @max: + * @descriptor_type: + * @index: + * + * Called by ep0_rx_process for a get descriptor device command. Determine what + * descriptor is being requested, copy to send buffer. Return zero if ok to send, + * return non-zero to signal a request error. + */ +static int ep0_get_descriptor (struct usb_device_instance *device, + struct urb *urb, int max, int descriptor_type, + int index) +{ + int port = 0; /* XXX compound device */ + char *cp; + + /*dbg_ep0(3, "max: %x type: %x index: %x", max, descriptor_type, index); */ + + if (!urb || !urb->buffer || !urb->buffer_length + || (urb->buffer_length < 255)) { + dbg_ep0 (2, "invalid urb %p", urb); + return -1L; + } + + /* setup tx urb */ + urb->actual_length = 0; + cp = urb->buffer; + + dbg_ep0 (2, "%s", USBD_DEVICE_DESCRIPTORS (descriptor_type)); + + switch (descriptor_type) { + case USB_DESCRIPTOR_TYPE_DEVICE: + { + struct usb_device_descriptor *device_descriptor; + + if (! + (device_descriptor = + usbd_device_device_descriptor (device, port))) { + return -1; + } + /* copy descriptor for this device */ + copy_config (urb, device_descriptor, + sizeof (struct usb_device_descriptor), + max); + + /* correct the correct control endpoint 0 max packet size into the descriptor */ + device_descriptor = + (struct usb_device_descriptor *) urb->buffer; + device_descriptor->bMaxPacketSize0 = + urb->device->bus->maxpacketsize; + + } + /*dbg_ep0(3, "copied device configuration, actual_length: %x", urb->actual_length); */ + break; + + case USB_DESCRIPTOR_TYPE_CONFIGURATION: + { + int bNumInterface; + struct usb_configuration_descriptor + *configuration_descriptor; + struct usb_device_descriptor *device_descriptor; + + if (! + (device_descriptor = + usbd_device_device_descriptor (device, port))) { + return -1; + } + /*dbg_ep0(2, "%d %d", index, device_descriptor->bNumConfigurations); */ + if (index > device_descriptor->bNumConfigurations) { + dbg_ep0 (0, "index too large: %d > %d", index, + device_descriptor-> + bNumConfigurations); + return -1; + } + + if (! + (configuration_descriptor = + usbd_device_configuration_descriptor (device, + port, + index))) { + dbg_ep0 (0, + "usbd_device_configuration_descriptor failed: %d", + index); + return -1; + } + copy_config (urb, configuration_descriptor, + sizeof (struct + usb_configuration_descriptor), + max); + + + /* iterate across interfaces for specified configuration */ + dbg_ep0 (0, "bNumInterfaces: %d", + configuration_descriptor->bNumInterfaces); + for (bNumInterface = 0; + bNumInterface < + configuration_descriptor->bNumInterfaces; + bNumInterface++) { + + int bAlternateSetting; + struct usb_interface_instance + *interface_instance; + + dbg_ep0 (3, "[%d] bNumInterfaces: %d", + bNumInterface, + configuration_descriptor->bNumInterfaces); + + if (! (interface_instance = usbd_device_interface_instance (device, + port, index, bNumInterface))) + { + dbg_ep0 (3, "[%d] interface_instance NULL", + bNumInterface); + return -1; + } + /* iterate across interface alternates */ + for (bAlternateSetting = 0; + bAlternateSetting < interface_instance->alternates; + bAlternateSetting++) { + /*int class; */ + int bNumEndpoint; + struct usb_interface_descriptor *interface_descriptor; + + struct usb_alternate_instance *alternate_instance; + + dbg_ep0 (3, "[%d:%d] alternates: %d", + bNumInterface, + bAlternateSetting, + interface_instance->alternates); + + if (! (alternate_instance = usbd_device_alternate_instance (device, port, index, bNumInterface, bAlternateSetting))) { + dbg_ep0 (3, "[%d] alternate_instance NULL", + bNumInterface); + return -1; + } + /* copy descriptor for this interface */ + copy_config (urb, alternate_instance->interface_descriptor, + sizeof (struct usb_interface_descriptor), + max); + + /*dbg_ep0(3, "[%d:%d] classes: %d endpoints: %d", bNumInterface, bAlternateSetting, */ + /* alternate_instance->classes, alternate_instance->endpoints); */ + + /* iterate across classes for this alternate interface */ +#if 0 + for (class = 0; + class < alternate_instance->classes; + class++) { + struct usb_class_descriptor *class_descriptor; + /*dbg_ep0(3, "[%d:%d:%d] classes: %d", bNumInterface, bAlternateSetting, */ + /* class, alternate_instance->classes); */ + if (!(class_descriptor = usbd_device_class_descriptor_index (device, port, index, bNumInterface, bAlternateSetting, class))) { + dbg_ep0 (3, "[%d] class NULL", + class); + return -1; + } + /* copy descriptor for this class */ + copy_config (urb, class_descriptor, + sizeof (struct usb_class_descriptor), + max); + } +#endif + + /* iterate across endpoints for this alternate interface */ + interface_descriptor = alternate_instance->interface_descriptor; + for (bNumEndpoint = 0; + bNumEndpoint < alternate_instance->endpoints; + bNumEndpoint++) { + struct usb_endpoint_descriptor *endpoint_descriptor; + dbg_ep0 (3, "[%d:%d:%d] endpoint: %d", + bNumInterface, + bAlternateSetting, + bNumEndpoint, + interface_descriptor-> + bNumEndpoints); + if (!(endpoint_descriptor = usbd_device_endpoint_descriptor_index (device, port, index, bNumInterface, bAlternateSetting, bNumEndpoint))) { + dbg_ep0 (3, "[%d] endpoint NULL", + bNumEndpoint); + return -1; + } + /* copy descriptor for this endpoint */ + copy_config (urb, endpoint_descriptor, + sizeof (struct usb_endpoint_descriptor), + max); + } + } + } + dbg_ep0 (3, "lengths: %d %d", + le16_to_cpu (configuration_descriptor->wTotalLength), + urb->actual_length); + } + break; + + case USB_DESCRIPTOR_TYPE_STRING: + { + struct usb_string_descriptor *string_descriptor; + + if (!(string_descriptor = usbd_get_string (index))) { + return -1; + } + /*dbg_ep0(3, "string_descriptor: %p", string_descriptor); */ + copy_config (urb, string_descriptor, string_descriptor->bLength, max); + } + break; + case USB_DESCRIPTOR_TYPE_INTERFACE: + return -1; + case USB_DESCRIPTOR_TYPE_ENDPOINT: + return -1; + case USB_DESCRIPTOR_TYPE_HID: + { + return -1; /* unsupported at this time */ +#if 0 + int bNumInterface = + le16_to_cpu (urb->device_request.wIndex); + int bAlternateSetting = 0; + int class = 0; + struct usb_class_descriptor *class_descriptor; + + if (!(class_descriptor = + usbd_device_class_descriptor_index (device, + port, 0, + bNumInterface, + bAlternateSetting, + class)) + || class_descriptor->descriptor.hid.bDescriptorType != USB_DT_HID) { + dbg_ep0 (3, "[%d] interface is not HID", + bNumInterface); + return -1; + } + /* copy descriptor for this class */ + copy_config (urb, class_descriptor, + class_descriptor->descriptor.hid.bLength, + max); +#endif + } + break; + case USB_DESCRIPTOR_TYPE_REPORT: + { + return -1; /* unsupported at this time */ +#if 0 + int bNumInterface = + le16_to_cpu (urb->device_request.wIndex); + int bAlternateSetting = 0; + int class = 0; + struct usb_class_report_descriptor *report_descriptor; + + if (!(report_descriptor = + usbd_device_class_report_descriptor_index + (device, port, 0, bNumInterface, + bAlternateSetting, class)) + || report_descriptor->bDescriptorType != + USB_DT_REPORT) { + dbg_ep0 (3, "[%d] descriptor is not REPORT", + bNumInterface); + return -1; + } + /* copy report descriptor for this class */ + /*copy_config(urb, &report_descriptor->bData[0], report_descriptor->wLength, max); */ + if (max - urb->actual_length > 0) { + int length = + MIN (report_descriptor->wLength, + max - urb->actual_length); + memcpy (urb->buffer + urb->actual_length, + &report_descriptor->bData[0], length); + urb->actual_length += length; + } +#endif + } + break; + default: + return -1; + } + + + dbg_ep0 (1, "urb: buffer: %p buffer_length: %2d actual_length: %2d packet size: %2d", + urb->buffer, urb->buffer_length, urb->actual_length, + device->bus->endpoint_array[0].tx_packetSize); +/* + if ((urb->actual_length < max) && !(urb->actual_length % device->bus->endpoint_array[0].tx_packetSize)) { + dbg_ep0(0, "adding null byte"); + urb->buffer[urb->actual_length++] = 0; + dbg_ep0(0, "urb: buffer_length: %2d actual_length: %2d packet size: %2d", + urb->buffer_length, urb->actual_length device->bus->endpoint_array[0].tx_packetSize); + } +*/ + return 0; + +} + +/** + * ep0_recv_setup - called to indicate URB has been received + * @urb: pointer to struct urb + * + * Check if this is a setup packet, process the device request, put results + * back into the urb and return zero or non-zero to indicate success (DATA) + * or failure (STALL). + * + */ +int ep0_recv_setup (struct urb *urb) +{ + /*struct usb_device_request *request = urb->buffer; */ + /*struct usb_device_instance *device = urb->device; */ + + struct usb_device_request *request; + struct usb_device_instance *device; + int address; + + dbg_ep0 (0, "entering ep0_recv_setup()"); + if (!urb || !urb->device) { + dbg_ep0 (3, "invalid URB %p", urb); + return -1; + } + + request = &urb->device_request; + device = urb->device; + + dbg_ep0 (3, "urb: %p device: %p", urb, urb->device); + + + /*dbg_ep0(2, "- - - - - - - - - -"); */ + + dbg_ep0 (2, + "bmRequestType:%02x bRequest:%02x wValue:%04x wIndex:%04x wLength:%04x %s", + request->bmRequestType, request->bRequest, + le16_to_cpu (request->wValue), le16_to_cpu (request->wIndex), + le16_to_cpu (request->wLength), + USBD_DEVICE_REQUESTS (request->bRequest)); + + /* handle USB Standard Request (c.f. USB Spec table 9-2) */ + if ((request->bmRequestType & USB_REQ_TYPE_MASK) != 0) { + dbg_ep0 (1, "non standard request: %x", + request->bmRequestType & USB_REQ_TYPE_MASK); + return -1; /* Stall here */ + } + + switch (device->device_state) { + case STATE_CREATED: + case STATE_ATTACHED: + case STATE_POWERED: + /* It actually is important to allow requests in these states, + * Windows will request descriptors before assigning an + * address to the client. + */ + + /*dbg_ep0 (1, "request %s not allowed in this state: %s", */ + /* USBD_DEVICE_REQUESTS(request->bRequest), */ + /* usbd_device_states[device->device_state]); */ + /*return -1; */ + break; + + case STATE_INIT: + case STATE_DEFAULT: + switch (request->bRequest) { + case USB_REQ_GET_STATUS: + case USB_REQ_GET_INTERFACE: + case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */ + case USB_REQ_CLEAR_FEATURE: + case USB_REQ_SET_FEATURE: + case USB_REQ_SET_DESCRIPTOR: + /* case USB_REQ_SET_CONFIGURATION: */ + case USB_REQ_SET_INTERFACE: + dbg_ep0 (1, + "request %s not allowed in DEFAULT state: %s", + USBD_DEVICE_REQUESTS (request->bRequest), + usbd_device_states[device->device_state]); + return -1; + + case USB_REQ_SET_CONFIGURATION: + case USB_REQ_SET_ADDRESS: + case USB_REQ_GET_DESCRIPTOR: + case USB_REQ_GET_CONFIGURATION: + break; + } + case STATE_ADDRESSED: + case STATE_CONFIGURED: + break; + case STATE_UNKNOWN: + dbg_ep0 (1, "request %s not allowed in UNKNOWN state: %s", + USBD_DEVICE_REQUESTS (request->bRequest), + usbd_device_states[device->device_state]); + return -1; + } + + /* handle all requests that return data (direction bit set on bm RequestType) */ + if ((request->bmRequestType & USB_REQ_DIRECTION_MASK)) { + + dbg_ep0 (3, "Device-to-Host"); + + switch (request->bRequest) { + + case USB_REQ_GET_STATUS: + return ep0_get_status (device, urb, request->wIndex, + request->bmRequestType & + USB_REQ_RECIPIENT_MASK); + + case USB_REQ_GET_DESCRIPTOR: + return ep0_get_descriptor (device, urb, + le16_to_cpu (request->wLength), + le16_to_cpu (request->wValue) >> 8, + le16_to_cpu (request->wValue) & 0xff); + + case USB_REQ_GET_CONFIGURATION: + return ep0_get_one (device, urb, + device->configuration); + + case USB_REQ_GET_INTERFACE: + return ep0_get_one (device, urb, device->alternate); + + case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */ + return -1; + + case USB_REQ_CLEAR_FEATURE: + case USB_REQ_SET_FEATURE: + case USB_REQ_SET_ADDRESS: + case USB_REQ_SET_DESCRIPTOR: + case USB_REQ_SET_CONFIGURATION: + case USB_REQ_SET_INTERFACE: + return -1; + } + } + /* handle the requests that do not return data */ + else { + + + /*dbg_ep0(3, "Host-to-Device"); */ + switch (request->bRequest) { + + case USB_REQ_CLEAR_FEATURE: + case USB_REQ_SET_FEATURE: + dbg_ep0 (0, "Host-to-Device"); + switch (request-> + bmRequestType & USB_REQ_RECIPIENT_MASK) { + case USB_REQ_RECIPIENT_DEVICE: + /* XXX DEVICE_REMOTE_WAKEUP or TEST_MODE would be added here */ + /* XXX fall through for now as we do not support either */ + case USB_REQ_RECIPIENT_INTERFACE: + case USB_REQ_RECIPIENT_OTHER: + dbg_ep0 (0, "request %s not", + USBD_DEVICE_REQUESTS (request->bRequest)); + default: + return -1; + + case USB_REQ_RECIPIENT_ENDPOINT: + dbg_ep0 (0, "ENDPOINT: %x", le16_to_cpu (request->wValue)); + if (le16_to_cpu (request->wValue) == USB_ENDPOINT_HALT) { + /*return usbd_device_feature (device, le16_to_cpu (request->wIndex), */ + /* request->bRequest == USB_REQ_SET_FEATURE); */ + /* NEED TO IMPLEMENT THIS!!! */ + return -1; + } else { + dbg_ep0 (1, "request %s bad wValue: %04x", + USBD_DEVICE_REQUESTS + (request->bRequest), + le16_to_cpu (request->wValue)); + return -1; + } + } + + case USB_REQ_SET_ADDRESS: + /* check if this is a re-address, reset first if it is (this shouldn't be possible) */ + if (device->device_state != STATE_DEFAULT) { + dbg_ep0 (1, "set_address: %02x state: %s", + le16_to_cpu (request->wValue), + usbd_device_states[device->device_state]); + return -1; + } + address = le16_to_cpu (request->wValue); + if ((address & 0x7f) != address) { + dbg_ep0 (1, "invalid address %04x %04x", + address, address & 0x7f); + return -1; + } + device->address = address; + + /*dbg_ep0(2, "address: %d %d %d", */ + /* request->wValue, le16_to_cpu(request->wValue), device->address); */ + + serial_printf ("DEVICE_ADDRESS_ASSIGNED.. event?\n"); + return 0; + + case USB_REQ_SET_DESCRIPTOR: /* XXX should we support this? */ + dbg_ep0 (0, "set descriptor: NOT SUPPORTED"); + return -1; + + case USB_REQ_SET_CONFIGURATION: + /* c.f. 9.4.7 - the top half of wValue is reserved */ + /* */ + if ((device->configuration = + le16_to_cpu (request->wValue) & 0x7f) != 0) { + /* c.f. 9.4.7 - zero is the default or addressed state, in our case this */ + /* is the same is configuration zero */ + device->configuration = 0; /* TBR - ?????? */ + } + /* reset interface and alternate settings */ + device->interface = device->alternate = 0; + + /*dbg_ep0(2, "set configuration: %d", device->configuration); */ + /*serial_printf("DEVICE_CONFIGURED.. event?\n"); */ + return 0; + + case USB_REQ_SET_INTERFACE: + device->interface = le16_to_cpu (request->wIndex); + device->alternate = le16_to_cpu (request->wValue); + /*dbg_ep0(2, "set interface: %d alternate: %d", device->interface, device->alternate); */ + serial_printf ("DEVICE_SET_INTERFACE.. event?\n"); + return 0; + + case USB_REQ_GET_STATUS: + case USB_REQ_GET_DESCRIPTOR: + case USB_REQ_GET_CONFIGURATION: + case USB_REQ_GET_INTERFACE: + case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */ + return -1; + } + } + return -1; +} + +#endif diff --git a/drivers/usbdcore_omap1510.c b/drivers/usbdcore_omap1510.c new file mode 100644 index 0000000000..042f319ac5 --- /dev/null +++ b/drivers/usbdcore_omap1510.c @@ -0,0 +1,1494 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * Based on + * linux/drivers/usb/device/bi/omap.c + * TI OMAP1510 USB bus interface driver + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * (C) Copyright 2002 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include + +#if defined(CONFIG_OMAP1510) && defined(CONFIG_USB_DEVICE) + +#include +#include + +#include "usbdcore.h" +#include "usbdcore_omap1510.h" +#include "usbdcore_ep0.h" + + +#define UDC_MAX_ENDPOINTS 31 /* Number of endpoints on this UDC */ + +/* Some kind of debugging output... */ +#if 1 +#define UDCDBG(str) +#define UDCDBGA(fmt,args...) +#else /* The bugs still exists... */ +#define UDCDBG(str) serial_printf("[%s] %s:%d: " str "\n", __FILE__,__FUNCTION__,__LINE__) +#define UDCDBGA(fmt,args...) serial_printf("[%s] %s:%d: " fmt "\n", __FILE__,__FUNCTION__,__LINE__, ##args) +#endif + +#if 1 +#define UDCREG(name) +#define UDCREGL(name) +#else /* The bugs still exists... */ +#define UDCREG(name) serial_printf("%s():%d: %s[%08x]=%.4x\n",__FUNCTION__,__LINE__, (#name), name, inw(name)) /* For 16-bit regs */ +#define UDCREGL(name) serial_printf("%s():%d: %s[%08x]=%.8x\n",__FUNCTION__,__LINE__, (#name), name, inl(name)) /* For 32-bit regs */ +#endif + + +static struct urb *ep0_urb = NULL; + +static struct usb_device_instance *udc_device; /* Used in interrupt handler */ +static u16 udc_devstat = 0; /* UDC status (DEVSTAT) */ +static u32 udc_interrupts = 0; + +static void udc_stall_ep (unsigned int ep_addr); + + +static struct usb_endpoint_instance *omap1510_find_ep (int ep) +{ + int i; + + for (i = 0; i < udc_device->bus->max_endpoints; i++) { + if (udc_device->bus->endpoint_array[i].endpoint_address == ep) + return &udc_device->bus->endpoint_array[i]; + } + return NULL; +} + +/* ************************************************************************** */ +/* IO + */ + +/* + * omap1510_prepare_endpoint_for_rx + * + * This function implements TRM Figure 14-11. + * + * The endpoint to prepare for transfer is specified as a physical endpoint + * number. For OUT (rx) endpoints 1 through 15, the corresponding endpoint + * configuration register is checked to see if the endpoint is ISO or not. + * If the OUT endpoint is valid and is non-ISO then its FIFO is enabled. + * No action is taken for endpoint 0 or for IN (tx) endpoints 16 through 30. + */ +static void omap1510_prepare_endpoint_for_rx (int ep_addr) +{ + int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK; + + UDCDBGA ("omap1510_prepare_endpoint %x", ep_addr); + if (((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT)) { + if ((inw (UDC_EP_RX (ep_num)) & + (UDC_EPn_RX_Valid | UDC_EPn_RX_Iso)) == + UDC_EPn_RX_Valid) { + /* rx endpoint is valid, non-ISO, so enable its FIFO */ + outw (UDC_EP_Sel | ep_num, UDC_EP_NUM); + outw (UDC_Set_FIFO_En, UDC_CTRL); + outw (0, UDC_EP_NUM); + } + } +} + +/* omap1510_configure_endpoints + * + * This function implements TRM Figure 14-10. + */ +static void omap1510_configure_endpoints (struct usb_device_instance *device) +{ + int ep; + struct usb_bus_instance *bus; + struct usb_endpoint_instance *endpoint; + unsigned short ep_ptr; + unsigned short ep_size; + unsigned short ep_isoc; + unsigned short ep_doublebuffer; + int ep_addr; + int packet_size; + int buffer_size; + int attributes; + + bus = device->bus; + + /* There is a dedicated 2048 byte buffer for USB packets that may be + * arbitrarily partitioned among the endpoints on 8-byte boundaries. + * The first 8 bytes are reserved for receiving setup packets on + * endpoint 0. + */ + ep_ptr = 8; /* reserve the first 8 bytes for the setup fifo */ + + for (ep = 0; ep < bus->max_endpoints; ep++) { + endpoint = bus->endpoint_array + ep; + ep_addr = endpoint->endpoint_address; + if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) { + /* IN endpoint */ + packet_size = endpoint->tx_packetSize; + attributes = endpoint->tx_attributes; + } else { + /* OUT endpoint */ + packet_size = endpoint->rcv_packetSize; + attributes = endpoint->rcv_attributes; + } + + switch (packet_size) { + case 0: + ep_size = 0; + break; + case 8: + ep_size = 0; + break; + case 16: + ep_size = 1; + break; + case 32: + ep_size = 2; + break; + case 64: + ep_size = 3; + break; + case 128: + ep_size = 4; + break; + case 256: + ep_size = 5; + break; + case 512: + ep_size = 6; + break; + default: + UDCDBGA ("ep 0x%02x has bad packet size %d", + ep_addr, packet_size); + packet_size = 0; + ep_size = 0; + break; + } + + switch (attributes & USB_ENDPOINT_XFERTYPE_MASK) { + case USB_ENDPOINT_XFER_CONTROL: + case USB_ENDPOINT_XFER_BULK: + case USB_ENDPOINT_XFER_INT: + default: + /* A non-isochronous endpoint may optionally be + * double-buffered. For now we disable + * double-buffering. + */ + ep_doublebuffer = 0; + ep_isoc = 0; + if (packet_size > 64) + packet_size = 0; + if (!ep || !ep_doublebuffer) + buffer_size = packet_size; + else + buffer_size = packet_size * 2; + break; + case USB_ENDPOINT_XFER_ISOC: + /* Isochronous endpoints are always double- + * buffered, but the double-buffering bit + * in the endpoint configuration register + * becomes the msb of the endpoint size so we + * set the double-buffering flag to zero. + */ + ep_doublebuffer = 0; + ep_isoc = 1; + buffer_size = packet_size * 2; + break; + } + + /* check to see if our packet buffer RAM is exhausted */ + if ((ep_ptr + buffer_size) > 2048) { + UDCDBGA ("out of packet RAM for ep 0x%02x buf size %d", ep_addr, buffer_size); + buffer_size = packet_size = 0; + } + + /* force a default configuration for endpoint 0 since it is + * always enabled + */ + if (!ep && ((packet_size < 8) || (packet_size > 64))) { + buffer_size = packet_size = 64; + ep_size = 3; + } + + if (!ep) { + /* configure endpoint 0 */ + outw ((ep_size << 12) | (ep_ptr >> 3), UDC_EP0); + /*UDCDBGA("ep 0 buffer offset 0x%03x packet size 0x%03x", */ + /* ep_ptr, packet_size); */ + } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) { + /* IN endpoint */ + if (packet_size) { + outw ((1 << 15) | (ep_doublebuffer << 14) | + (ep_size << 12) | (ep_isoc << 11) | + (ep_ptr >> 3), + UDC_EP_TX (ep_addr & + USB_ENDPOINT_NUMBER_MASK)); + UDCDBGA ("IN ep %d buffer offset 0x%03x" + " packet size 0x%03x", + ep_addr & USB_ENDPOINT_NUMBER_MASK, + ep_ptr, packet_size); + } else { + outw (0, + UDC_EP_TX (ep_addr & + USB_ENDPOINT_NUMBER_MASK)); + } + } else { + /* OUT endpoint */ + if (packet_size) { + outw ((1 << 15) | (ep_doublebuffer << 14) | + (ep_size << 12) | (ep_isoc << 11) | + (ep_ptr >> 3), + UDC_EP_RX (ep_addr & + USB_ENDPOINT_NUMBER_MASK)); + UDCDBGA ("OUT ep %d buffer offset 0x%03x" + " packet size 0x%03x", + ep_addr & USB_ENDPOINT_NUMBER_MASK, + ep_ptr, packet_size); + } else { + outw (0, + UDC_EP_RX (ep_addr & + USB_ENDPOINT_NUMBER_MASK)); + } + } + ep_ptr += buffer_size; + } +} + +/* omap1510_deconfigure_device + * + * This function balances omap1510_configure_device. + */ +static void omap1510_deconfigure_device (void) +{ + int epnum; + + UDCDBG ("clear Cfg_Lock"); + outw (inw (UDC_SYSCON1) & ~UDC_Cfg_Lock, UDC_SYSCON1); + UDCREG (UDC_SYSCON1); + + /* deconfigure all endpoints */ + for (epnum = 1; epnum <= 15; epnum++) { + outw (0, UDC_EP_RX (epnum)); + outw (0, UDC_EP_TX (epnum)); + } +} + +/* omap1510_configure_device + * + * This function implements TRM Figure 14-9. + */ +static void omap1510_configure_device (struct usb_device_instance *device) +{ + omap1510_configure_endpoints (device); + + + /* Figure 14-9 indicates we should enable interrupts here, but we have + * other routines (udc_all_interrupts, udc_suspended_interrupts) to + * do that. + */ + + UDCDBG ("set Cfg_Lock"); + outw (inw (UDC_SYSCON1) | UDC_Cfg_Lock, UDC_SYSCON1); + UDCREG (UDC_SYSCON1); +} + +/* omap1510_write_noniso_tx_fifo + * + * This function implements TRM Figure 14-30. + * + * If the endpoint has an active tx_urb, then the next packet of data from the + * URB is written to the tx FIFO. The total amount of data in the urb is given + * by urb->actual_length. The maximum amount of data that can be sent in any + * one packet is given by endpoint->tx_packetSize. The number of data bytes + * from this URB that have already been transmitted is given by endpoint->sent. + * endpoint->last is updated by this routine with the number of data bytes + * transmitted in this packet. + * + * In accordance with Figure 14-30, the EP_NUM register must already have been + * written with the value to select the appropriate tx FIFO before this routine + * is called. + */ +static void omap1510_write_noniso_tx_fifo (struct usb_endpoint_instance + *endpoint) +{ + struct urb *urb = endpoint->tx_urb; + + if (urb) { + unsigned int last, i; + + UDCDBGA ("urb->buffer %p, buffer_length %d, actual_length %d", + urb->buffer, urb->buffer_length, urb->actual_length); + if ((last = + MIN (urb->actual_length - endpoint->sent, + endpoint->tx_packetSize))) { + u8 *cp = urb->buffer + endpoint->sent; + + UDCDBGA ("endpoint->sent %d, tx_packetSize %d, last %d", endpoint->sent, endpoint->tx_packetSize, last); + + if (((u32) cp & 1) == 0) { /* word aligned? */ + outsw (UDC_DATA, cp, last >> 1); + } else { /* byte aligned. */ + for (i = 0; i < (last >> 1); i++) { + u16 w = ((u16) cp[2 * i + 1] << 8) | + (u16) cp[2 * i]; + outw (w, UDC_DATA); + } + } + if (last & 1) { + outb (*(cp + last - 1), UDC_DATA); + } + } + endpoint->last = last; + } +} + +/* omap1510_read_noniso_rx_fifo + * + * This function implements TRM Figure 14-28. + * + * If the endpoint has an active rcv_urb, then the next packet of data is read + * from the rcv FIFO and written to rcv_urb->buffer at offset + * rcv_urb->actual_length to append the packet data to the data from any + * previous packets for this transfer. We assume that there is sufficient room + * left in the buffer to hold an entire packet of data. + * + * The return value is the number of bytes read from the FIFO for this packet. + * + * In accordance with Figure 14-28, the EP_NUM register must already have been + * written with the value to select the appropriate rcv FIFO before this routine + * is called. + */ +static int omap1510_read_noniso_rx_fifo (struct usb_endpoint_instance + *endpoint) +{ + struct urb *urb = endpoint->rcv_urb; + int len = 0; + + if (urb) { + len = inw (UDC_RXFSTAT); + + if (len) { + unsigned char *cp = urb->buffer + urb->actual_length; + + insw (UDC_DATA, cp, len >> 1); + if (len & 1) + *(cp + len - 1) = inb (UDC_DATA); + } + } + return len; +} + +/* omap1510_prepare_for_control_write_status + * + * This function implements TRM Figure 14-17. + * + * We have to deal here with non-autodecoded control writes that haven't already + * been dealt with by ep0_recv_setup. The non-autodecoded standard control + * write requests are: set/clear endpoint feature, set configuration, set + * interface, and set descriptor. ep0_recv_setup handles set/clear requests for + * ENDPOINT_HALT by halting the endpoint for a set request and resetting the + * endpoint for a clear request. ep0_recv_setup returns an error for + * SET_DESCRIPTOR requests which causes them to be terminated with a stall by + * the setup handler. A SET_INTERFACE request is handled by ep0_recv_setup by + * generating a DEVICE_SET_INTERFACE event. This leaves only the + * SET_CONFIGURATION event for us to deal with here. + * + */ +static void omap1510_prepare_for_control_write_status (struct urb *urb) +{ + struct usb_device_request *request = &urb->device_request;; + + /* check for a SET_CONFIGURATION request */ + if (request->bRequest == USB_REQ_SET_CONFIGURATION) { + int configuration = le16_to_cpu (request->wValue) & 0xff; + unsigned short devstat = inw (UDC_DEVSTAT); + + if ((devstat & (UDC_ADD | UDC_CFG)) == UDC_ADD) { + /* device is currently in ADDRESSED state */ + if (configuration) { + /* Assume the specified non-zero configuration + * value is valid and switch to the CONFIGURED + * state. + */ + outw (UDC_Dev_Cfg, UDC_SYSCON2); + } + } else if ((devstat & UDC_CFG) == UDC_CFG) { + /* device is currently in CONFIGURED state */ + if (!configuration) { + /* Switch to ADDRESSED state. */ + outw (UDC_Clr_Cfg, UDC_SYSCON2); + } + } + } + + /* select EP0 tx FIFO */ + outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM); + /* clear endpoint (no data bytes in status stage) */ + outw (UDC_Clr_EP, UDC_CTRL); + /* enable the EP0 tx FIFO */ + outw (UDC_Set_FIFO_En, UDC_CTRL); + /* deselect the endpoint */ + outw (UDC_EP_Dir, UDC_EP_NUM); +} + +/* udc_state_transition_up + * udc_state_transition_down + * + * Helper functions to implement device state changes. The device states and + * the events that transition between them are: + * + * STATE_ATTACHED + * || /\ + * \/ || + * DEVICE_HUB_CONFIGURED DEVICE_HUB_RESET + * || /\ + * \/ || + * STATE_POWERED + * || /\ + * \/ || + * DEVICE_RESET DEVICE_POWER_INTERRUPTION + * || /\ + * \/ || + * STATE_DEFAULT + * || /\ + * \/ || + * DEVICE_ADDRESS_ASSIGNED DEVICE_RESET + * || /\ + * \/ || + * STATE_ADDRESSED + * || /\ + * \/ || + * DEVICE_CONFIGURED DEVICE_DE_CONFIGURED + * || /\ + * \/ || + * STATE_CONFIGURED + * + * udc_state_transition_up transitions up (in the direction from STATE_ATTACHED + * to STATE_CONFIGURED) from the specified initial state to the specified final + * state, passing through each intermediate state on the way. If the initial + * state is at or above (i.e. nearer to STATE_CONFIGURED) the final state, then + * no state transitions will take place. + * + * udc_state_transition_down transitions down (in the direction from + * STATE_CONFIGURED to STATE_ATTACHED) from the specified initial state to the + * specified final state, passing through each intermediate state on the way. + * If the initial state is at or below (i.e. nearer to STATE_ATTACHED) the final + * state, then no state transitions will take place. + * + * These functions must only be called with interrupts disabled. + */ +static void udc_state_transition_up (usb_device_state_t initial, + usb_device_state_t final) +{ + if (initial < final) { + switch (initial) { + case STATE_ATTACHED: + usbd_device_event_irq (udc_device, + DEVICE_HUB_CONFIGURED, 0); + if (final == STATE_POWERED) + break; + case STATE_POWERED: + usbd_device_event_irq (udc_device, DEVICE_RESET, 0); + if (final == STATE_DEFAULT) + break; + case STATE_DEFAULT: + usbd_device_event_irq (udc_device, + DEVICE_ADDRESS_ASSIGNED, 0); + if (final == STATE_ADDRESSED) + break; + case STATE_ADDRESSED: + usbd_device_event_irq (udc_device, DEVICE_CONFIGURED, + 0); + case STATE_CONFIGURED: + break; + default: + break; + } + } +} + +static void udc_state_transition_down (usb_device_state_t initial, + usb_device_state_t final) +{ + if (initial > final) { + switch (initial) { + case STATE_CONFIGURED: + usbd_device_event_irq (udc_device, DEVICE_DE_CONFIGURED, 0); + if (final == STATE_ADDRESSED) + break; + case STATE_ADDRESSED: + usbd_device_event_irq (udc_device, DEVICE_RESET, 0); + if (final == STATE_DEFAULT) + break; + case STATE_DEFAULT: + usbd_device_event_irq (udc_device, DEVICE_POWER_INTERRUPTION, 0); + if (final == STATE_POWERED) + break; + case STATE_POWERED: + usbd_device_event_irq (udc_device, DEVICE_HUB_RESET, 0); + case STATE_ATTACHED: + break; + default: + break; + } + } +} + +/* Handle all device state changes. + * This function implements TRM Figure 14-21. + */ +static void omap1510_udc_state_changed (void) +{ + u16 bits; + u16 devstat = inw (UDC_DEVSTAT); + + UDCDBGA ("state changed, devstat %x, old %x", devstat, udc_devstat); + + bits = devstat ^ udc_devstat; + if (bits) { + if (bits & UDC_ATT) { + if (devstat & UDC_ATT) { + UDCDBG ("device attached and powered"); + udc_state_transition_up (udc_device->device_state, STATE_POWERED); + } else { + UDCDBG ("device detached or unpowered"); + udc_state_transition_down (udc_device->device_state, STATE_ATTACHED); + } + } + if (bits & UDC_USB_Reset) { + if (devstat & UDC_USB_Reset) { + UDCDBG ("device reset in progess"); + udc_state_transition_down (udc_device->device_state, STATE_POWERED); + } else { + UDCDBG ("device reset completed"); + } + } + if (bits & UDC_DEF) { + if (devstat & UDC_DEF) { + UDCDBG ("device entering default state"); + udc_state_transition_up (udc_device->device_state, STATE_DEFAULT); + } else { + UDCDBG ("device leaving default state"); + udc_state_transition_down (udc_device->device_state, STATE_POWERED); + } + } + if (bits & UDC_SUS) { + if (devstat & UDC_SUS) { + UDCDBG ("entering suspended state"); + usbd_device_event_irq (udc_device, DEVICE_BUS_INACTIVE, 0); + } else { + UDCDBG ("leaving suspended state"); + usbd_device_event_irq (udc_device, DEVICE_BUS_ACTIVITY, 0); + } + } + if (bits & UDC_R_WK_OK) { + UDCDBGA ("remote wakeup %s", (devstat & UDC_R_WK_OK) + ? "enabled" : "disabled"); + } + if (bits & UDC_ADD) { + if (devstat & UDC_ADD) { + UDCDBG ("default -> addressed"); + udc_state_transition_up (udc_device->device_state, STATE_ADDRESSED); + } else { + UDCDBG ("addressed -> default"); + udc_state_transition_down (udc_device->device_state, STATE_DEFAULT); + } + } + if (bits & UDC_CFG) { + if (devstat & UDC_CFG) { + UDCDBG ("device configured"); + /* The ep0_recv_setup function generates the + * DEVICE_CONFIGURED event when a + * USB_REQ_SET_CONFIGURATION setup packet is + * received, so we should already be in the + * state STATE_CONFIGURED. + */ + udc_state_transition_up (udc_device->device_state, STATE_CONFIGURED); + } else { + UDCDBG ("device deconfigured"); + udc_state_transition_down (udc_device->device_state, STATE_ADDRESSED); + } + } + } + + /* Clear interrupt source */ + outw (UDC_DS_Chg, UDC_IRQ_SRC); + + /* Save current DEVSTAT */ + udc_devstat = devstat; +} + +/* Handle SETUP USB interrupt. + * This function implements TRM Figure 14-14. + */ +static void omap1510_udc_setup (struct usb_endpoint_instance *endpoint) +{ + UDCDBG ("-> Entering device setup"); + + do { + const int setup_pktsize = 8; + unsigned char *datap = + (unsigned char *) &ep0_urb->device_request; + + /* Gain access to EP 0 setup FIFO */ + outw (UDC_Setup_Sel, UDC_EP_NUM); + + /* Read control request data */ + insb (UDC_DATA, datap, setup_pktsize); + + UDCDBGA ("EP0 setup read [%x %x %x %x %x %x %x %x]", + *(datap + 0), *(datap + 1), *(datap + 2), + *(datap + 3), *(datap + 4), *(datap + 5), + *(datap + 6), *(datap + 7)); + + /* Reset EP0 setup FIFO */ + outw (0, UDC_EP_NUM); + } while (inw (UDC_IRQ_SRC) & UDC_Setup); + + /* Try to process setup packet */ + if (ep0_recv_setup (ep0_urb)) { + /* Not a setup packet, stall next EP0 transaction */ + udc_stall_ep (0); + UDCDBG ("can't parse setup packet, still waiting for setup"); + return; + } + + /* Check direction */ + if ((ep0_urb->device_request.bmRequestType & USB_REQ_DIRECTION_MASK) + == USB_REQ_HOST2DEVICE) { + UDCDBG ("control write on EP0"); + if (le16_to_cpu (ep0_urb->device_request.wLength)) { + /* We don't support control write data stages. + * The only standard control write request with a data + * stage is SET_DESCRIPTOR, and ep0_recv_setup doesn't + * support that so we just stall those requests. A + * function driver might support a non-standard + * write request with a data stage, but it isn't + * obvious what we would do with the data if we read it + * so we'll just stall it. It seems like the API isn't + * quite right here. + */ +#if 0 + /* Here is what we would do if we did support control + * write data stages. + */ + ep0_urb->actual_length = 0; + outw (0, UDC_EP_NUM); + /* enable the EP0 rx FIFO */ + outw (UDC_Set_FIFO_En, UDC_CTRL); +#else + /* Stall this request */ + UDCDBG ("Stalling unsupported EP0 control write data " + "stage."); + udc_stall_ep (0); +#endif + } else { + omap1510_prepare_for_control_write_status (ep0_urb); + } + } else { + UDCDBG ("control read on EP0"); + /* The ep0_recv_setup function has already placed our response + * packet data in ep0_urb->buffer and the packet length in + * ep0_urb->actual_length. + */ + endpoint->tx_urb = ep0_urb; + endpoint->sent = 0; + /* select the EP0 tx FIFO */ + outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM); + /* Write packet data to the FIFO. omap1510_write_noniso_tx_fifo + * will update endpoint->last with the number of bytes written + * to the FIFO. + */ + omap1510_write_noniso_tx_fifo (endpoint); + /* enable the FIFO to start the packet transmission */ + outw (UDC_Set_FIFO_En, UDC_CTRL); + /* deselect the EP0 tx FIFO */ + outw (UDC_EP_Dir, UDC_EP_NUM); + } + + UDCDBG ("<- Leaving device setup"); +} + +/* Handle endpoint 0 RX interrupt + * This routine implements TRM Figure 14-16. + */ +static void omap1510_udc_ep0_rx (struct usb_endpoint_instance *endpoint) +{ + unsigned short status; + + UDCDBG ("RX on EP0"); + /* select EP0 rx FIFO */ + outw (UDC_EP_Sel, UDC_EP_NUM); + + status = inw (UDC_STAT_FLG); + + if (status & UDC_ACK) { + /* Check direction */ + if ((ep0_urb->device_request.bmRequestType + & USB_REQ_DIRECTION_MASK) == USB_REQ_HOST2DEVICE) { + /* This rx interrupt must be for a control write data + * stage packet. + * + * We don't support control write data stages. + * We should never end up here. + */ + + /* clear the EP0 rx FIFO */ + outw (UDC_Clr_EP, UDC_CTRL); + + /* deselect the EP0 rx FIFO */ + outw (0, UDC_EP_NUM); + + UDCDBG ("Stalling unexpected EP0 control write " + "data stage packet"); + udc_stall_ep (0); + } else { + /* This rx interrupt must be for a control read status + * stage packet. + */ + UDCDBG ("ACK on EP0 control read status stage packet"); + /* deselect EP0 rx FIFO */ + outw (0, UDC_EP_NUM); + } + } else if (status & UDC_STALL) { + UDCDBG ("EP0 stall during RX"); + /* deselect EP0 rx FIFO */ + outw (0, UDC_EP_NUM); + } else { + /* deselect EP0 rx FIFO */ + outw (0, UDC_EP_NUM); + } +} + +/* Handle endpoint 0 TX interrupt + * This routine implements TRM Figure 14-18. + */ +static void omap1510_udc_ep0_tx (struct usb_endpoint_instance *endpoint) +{ + unsigned short status; + struct usb_device_request *request = &ep0_urb->device_request; + + UDCDBG ("TX on EP0"); + /* select EP0 TX FIFO */ + outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM); + + status = inw (UDC_STAT_FLG); + if (status & UDC_ACK) { + /* Check direction */ + if ((request->bmRequestType & USB_REQ_DIRECTION_MASK) == + USB_REQ_HOST2DEVICE) { + /* This tx interrupt must be for a control write status + * stage packet. + */ + UDCDBG ("ACK on EP0 control write status stage packet"); + /* deselect EP0 TX FIFO */ + outw (UDC_EP_Dir, UDC_EP_NUM); + } else { + /* This tx interrupt must be for a control read data + * stage packet. + */ + int wLength = le16_to_cpu (request->wLength); + + /* Update our count of bytes sent so far in this + * transfer. + */ + endpoint->sent += endpoint->last; + + /* We are finished with this transfer if we have sent + * all of the bytes in our tx urb (urb->actual_length) + * unless we need a zero-length terminating packet. We + * need a zero-length terminating packet if we returned + * fewer bytes than were requested (wLength) by the host, + * and the number of bytes we returned is an exact + * multiple of the packet size endpoint->tx_packetSize. + */ + if ((endpoint->sent == ep0_urb->actual_length) + && ((ep0_urb->actual_length == wLength) + || (endpoint->last != + endpoint->tx_packetSize))) { + /* Done with control read data stage. */ + UDCDBG ("control read data stage complete"); + /* deselect EP0 TX FIFO */ + outw (UDC_EP_Dir, UDC_EP_NUM); + /* select EP0 RX FIFO to prepare for control + * read status stage. + */ + outw (UDC_EP_Sel, UDC_EP_NUM); + /* clear the EP0 RX FIFO */ + outw (UDC_Clr_EP, UDC_CTRL); + /* enable the EP0 RX FIFO */ + outw (UDC_Set_FIFO_En, UDC_CTRL); + /* deselect the EP0 RX FIFO */ + outw (0, UDC_EP_NUM); + } else { + /* We still have another packet of data to send + * in this control read data stage or else we + * need a zero-length terminating packet. + */ + UDCDBG ("ACK control read data stage packet"); + omap1510_write_noniso_tx_fifo (endpoint); + /* enable the EP0 tx FIFO to start transmission */ + outw (UDC_Set_FIFO_En, UDC_CTRL); + /* deselect EP0 TX FIFO */ + outw (UDC_EP_Dir, UDC_EP_NUM); + } + } + } else if (status & UDC_STALL) { + UDCDBG ("EP0 stall during TX"); + /* deselect EP0 TX FIFO */ + outw (UDC_EP_Dir, UDC_EP_NUM); + } else { + /* deselect EP0 TX FIFO */ + outw (UDC_EP_Dir, UDC_EP_NUM); + } +} + +/* Handle RX transaction on non-ISO endpoint. + * This function implements TRM Figure 14-27. + * The ep argument is a physical endpoint number for a non-ISO OUT endpoint + * in the range 1 to 15. + */ +static void omap1510_udc_epn_rx (int ep) +{ + unsigned short status; + + /* Check endpoint status */ + status = inw (UDC_STAT_FLG); + + if (status & UDC_ACK) { + int nbytes; + struct usb_endpoint_instance *endpoint = + omap1510_find_ep (ep); + + nbytes = omap1510_read_noniso_rx_fifo (endpoint); + usbd_rcv_complete (endpoint, nbytes, 0); + + /* enable rx FIFO to prepare for next packet */ + outw (UDC_Set_FIFO_En, UDC_CTRL); + } else if (status & UDC_STALL) { + UDCDBGA ("STALL on RX endpoint %d", ep); + } else if (status & UDC_NAK) { + UDCDBGA ("NAK on RX ep %d", ep); + } else { + serial_printf ("omap-bi: RX on ep %d with status %x", ep, + status); + } +} + +/* Handle TX transaction on non-ISO endpoint. + * This function implements TRM Figure 14-29. + * The ep argument is a physical endpoint number for a non-ISO IN endpoint + * in the range 16 to 30. + */ +static void omap1510_udc_epn_tx (int ep) +{ + unsigned short status; + + /*serial_printf("omap1510_udc_epn_tx( %x )\n",ep); */ + + /* Check endpoint status */ + status = inw (UDC_STAT_FLG); + + if (status & UDC_ACK) { + struct usb_endpoint_instance *endpoint = + omap1510_find_ep (ep); + + /* We need to transmit a terminating zero-length packet now if + * we have sent all of the data in this URB and the transfer + * size was an exact multiple of the packet size. + */ + if (endpoint->tx_urb + && (endpoint->last == endpoint->tx_packetSize) + && (endpoint->tx_urb->actual_length - endpoint->sent - + endpoint->last == 0)) { + /* Prepare to transmit a zero-length packet. */ + endpoint->sent += endpoint->last; + /* write 0 bytes of data to FIFO */ + omap1510_write_noniso_tx_fifo (endpoint); + /* enable tx FIFO to start transmission */ + outw (UDC_Set_FIFO_En, UDC_CTRL); + } else if (endpoint->tx_urb + && endpoint->tx_urb->actual_length) { + /* retire the data that was just sent */ + usbd_tx_complete (endpoint); + /* Check to see if we have more data ready to transmit + * now. + */ + if (endpoint->tx_urb + && endpoint->tx_urb->actual_length) { + /* write data to FIFO */ + omap1510_write_noniso_tx_fifo (endpoint); + /* enable tx FIFO to start transmission */ + outw (UDC_Set_FIFO_En, UDC_CTRL); + } + } + } else if (status & UDC_STALL) { + UDCDBGA ("STALL on TX endpoint %d", ep); + } else if (status & UDC_NAK) { + UDCDBGA ("NAK on TX endpoint %d", ep); + } else { + /*serial_printf("omap-bi: TX on ep %d with status %x\n", ep, status); */ + } +} + + +/* +------------------------------------------------------------------------------- +*/ + +/* Handle general USB interrupts and dispatch according to type. + * This function implements TRM Figure 14-13. + */ +void omap1510_udc_irq (void) +{ + u16 irq_src = inw (UDC_IRQ_SRC); + int valid_irq = 0; + + if (!(irq_src & ~UDC_SOF_Flg)) /* ignore SOF interrupts ) */ + return; + + UDCDBGA ("< IRQ #%d start >- %x", udc_interrupts, irq_src); + /*serial_printf("< IRQ #%d start >- %x\n", udc_interrupts, irq_src); */ + + if (irq_src & UDC_DS_Chg) { + /* Device status changed */ + omap1510_udc_state_changed (); + valid_irq++; + } + if (irq_src & UDC_EP0_RX) { + /* Endpoint 0 receive */ + outw (UDC_EP0_RX, UDC_IRQ_SRC); /* ack interrupt */ + omap1510_udc_ep0_rx (udc_device->bus->endpoint_array + 0); + valid_irq++; + } + if (irq_src & UDC_EP0_TX) { + /* Endpoint 0 transmit */ + outw (UDC_EP0_TX, UDC_IRQ_SRC); /* ack interrupt */ + omap1510_udc_ep0_tx (udc_device->bus->endpoint_array + 0); + valid_irq++; + } + if (irq_src & UDC_Setup) { + /* Device setup */ + omap1510_udc_setup (udc_device->bus->endpoint_array + 0); + valid_irq++; + } + /*if (!valid_irq) */ + /* serial_printf("unknown interrupt, IRQ_SRC %.4x\n", irq_src); */ + UDCDBGA ("< IRQ #%d end >", udc_interrupts); + udc_interrupts++; +} + +/* This function implements TRM Figure 14-26. */ +void omap1510_udc_noniso_irq (void) +{ + unsigned short epnum; + unsigned short irq_src = inw (UDC_IRQ_SRC); + int valid_irq = 0; + + if (!(irq_src & (UDC_EPn_RX | UDC_EPn_TX))) + return; + + UDCDBGA ("non-ISO IRQ, IRQ_SRC %x", inw (UDC_IRQ_SRC)); + + if (irq_src & UDC_EPn_RX) { /* Endpoint N OUT transaction */ + /* Determine the endpoint number for this interrupt */ + epnum = (inw (UDC_EPN_STAT) & 0x0f00) >> 8; + UDCDBGA ("RX on ep %x", epnum); + + /* acknowledge interrupt */ + outw (UDC_EPn_RX, UDC_IRQ_SRC); + + if (epnum) { + /* select the endpoint FIFO */ + outw (UDC_EP_Sel | epnum, UDC_EP_NUM); + + omap1510_udc_epn_rx (epnum); + + /* deselect the endpoint FIFO */ + outw (epnum, UDC_EP_NUM); + } + valid_irq++; + } + if (irq_src & UDC_EPn_TX) { /* Endpoint N IN transaction */ + /* Determine the endpoint number for this interrupt */ + epnum = (inw (UDC_EPN_STAT) & 0x000f) | USB_DIR_IN; + UDCDBGA ("TX on ep %x", epnum); + + /* acknowledge interrupt */ + outw (UDC_EPn_TX, UDC_IRQ_SRC); + + if (epnum) { + /* select the endpoint FIFO */ + outw (UDC_EP_Sel | UDC_EP_Dir | epnum, UDC_EP_NUM); + + omap1510_udc_epn_tx (epnum); + + /* deselect the endpoint FIFO */ + outw (UDC_EP_Dir | epnum, UDC_EP_NUM); + } + valid_irq++; + } + if (!valid_irq) + serial_printf (": unknown non-ISO interrupt, IRQ_SRC %.4x\n", + irq_src); +} + +/* +------------------------------------------------------------------------------- +*/ + + +/* + * Start of public functions. + */ + +/* Called to start packet transmission. */ +void udc_endpoint_write (struct usb_endpoint_instance *endpoint) +{ + unsigned short epnum = + endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK; + + UDCDBGA ("Starting transmit on ep %x", epnum); + + if (endpoint->tx_urb) { + /* select the endpoint FIFO */ + outw (UDC_EP_Sel | UDC_EP_Dir | epnum, UDC_EP_NUM); + /* write data to FIFO */ + omap1510_write_noniso_tx_fifo (endpoint); + /* enable tx FIFO to start transmission */ + outw (UDC_Set_FIFO_En, UDC_CTRL); + /* deselect the endpoint FIFO */ + outw (UDC_EP_Dir | epnum, UDC_EP_NUM); + } +} + +/* Start to initialize h/w stuff */ +int udc_init (void) +{ + u16 udc_rev; + uchar wert; + + udc_device = NULL; + + UDCDBG ("starting"); + + /* Check peripheral reset. Must be 1 to make sure + MPU TIPB peripheral reset is inactive */ + UDCREG (ARM_RSTCT2); + + /* Set and check clock control. + * We might ought to be using the clock control API to do + * this instead of fiddling with the clock registers directly + * here. + */ + outw ((1 << 4) | (1 << 5), CLOCK_CTRL); + UDCREG (CLOCK_CTRL); + /* Set and check APLL */ + outw (0x0008, APLL_CTRL); + UDCREG (APLL_CTRL); + /* Set and check DPLL */ + outw (0x2210, DPLL_CTRL); + UDCREG (DPLL_CTRL); + /* Set and check SOFT */ + outw ((1 << 4) | (1 << 3) | 1, SOFT_REQ); + /* Short delay to wait for DPLL */ + udelay (1000); + + /* Print banner with device revision */ + udc_rev = inw (UDC_REV) & 0xff; + printf ("USB: TI OMAP1510 USB function module rev %d.%d\n", + udc_rev >> 4, udc_rev & 0xf); + + /* Configure some Sofia Unit registers + */ + i2c_read (0x32, 0x04, 1, &wert, 1); /* SOF_Control_CONT */ + wert |= 0x04; /* SOF_ContCONT_dis_usb_det */ + i2c_write (0x32, 0x04, 1, &wert, 1); + + i2c_read (0x32, 0x03, 1, &wert, 1); /* SOF_Control */ + wert |= 0x01; /* SOF_Cont_usb_en */ + i2c_write (0x32, 0x03, 1, &wert, 1); + + /* The VBUS_MODE bit selects whether VBUS detection is done via + * software (1) or hardware (0). When software detection is + * selected, VBUS_CTRL selects whether USB is not connected (0) + * or connected (1). + */ + outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_MODE, FUNC_MUX_CTRL_0); + outl (inl (FUNC_MUX_CTRL_0) & ~UDC_VBUS_CTRL, FUNC_MUX_CTRL_0); + UDCREGL (FUNC_MUX_CTRL_0); + + /* + * At this point, device is ready for configuration... + */ + + UDCDBG ("disable USB interrupts"); + outw (0, UDC_IRQ_EN); + UDCREG (UDC_IRQ_EN); + + UDCDBG ("disable USB DMA"); + outw (0, UDC_DMA_IRQ_EN); + UDCREG (UDC_DMA_IRQ_EN); + + UDCDBG ("initialize SYSCON1"); + outw (UDC_Self_Pwr | UDC_Pullup_En, UDC_SYSCON1); + UDCREG (UDC_SYSCON1); + + return 0; +} + +/* Stall endpoint */ +static void udc_stall_ep (unsigned int ep_addr) +{ + /*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */ + int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK; + + UDCDBGA ("stall ep_addr %d", ep_addr); + + /* REVISIT? + * The OMAP TRM section 14.2.4.2 says we must check that the FIFO + * is empty before halting the endpoint. The current implementation + * doesn't check that the FIFO is empty. + */ + + if (!ep_num) { + outw (UDC_Stall_Cmd, UDC_SYSCON2); + } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { + if (inw (UDC_EP_RX (ep_num)) & UDC_EPn_RX_Valid) { + /* we have a valid rx endpoint, so halt it */ + outw (UDC_EP_Sel | ep_num, UDC_EP_NUM); + outw (UDC_Set_Halt, UDC_CTRL); + outw (ep_num, UDC_EP_NUM); + } + } else { + if (inw (UDC_EP_TX (ep_num)) & UDC_EPn_TX_Valid) { + /* we have a valid tx endpoint, so halt it */ + outw (UDC_EP_Sel | UDC_EP_Dir | ep_num, UDC_EP_NUM); + outw (UDC_Set_Halt, UDC_CTRL); + outw (ep_num, UDC_EP_NUM); + } + } +} + +/* Reset endpoint */ +#if 0 +static void udc_reset_ep (unsigned int ep_addr) +{ + /*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */ + int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK; + + UDCDBGA ("reset ep_addr %d", ep_addr); + + if (!ep_num) { + /* control endpoint 0 can't be reset */ + } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { + UDCDBGA ("UDC_EP_RX(%d) = 0x%04x", ep_num, + inw (UDC_EP_RX (ep_num))); + if (inw (UDC_EP_RX (ep_num)) & UDC_EPn_RX_Valid) { + /* we have a valid rx endpoint, so reset it */ + outw (ep_num | UDC_EP_Sel, UDC_EP_NUM); + outw (UDC_Reset_EP, UDC_CTRL); + outw (ep_num, UDC_EP_NUM); + UDCDBGA ("OUT endpoint %d reset", ep_num); + } + } else { + UDCDBGA ("UDC_EP_TX(%d) = 0x%04x", ep_num, + inw (UDC_EP_TX (ep_num))); + /* Resetting of tx endpoints seems to be causing the USB function + * module to fail, which causes problems when the driver is + * uninstalled. We'll skip resetting tx endpoints for now until + * we figure out what the problem is. + */ +#if 0 + if (inw (UDC_EP_TX (ep_num)) & UDC_EPn_TX_Valid) { + /* we have a valid tx endpoint, so reset it */ + outw (ep_num | UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM); + outw (UDC_Reset_EP, UDC_CTRL); + outw (ep_num | UDC_EP_Dir, UDC_EP_NUM); + UDCDBGA ("IN endpoint %d reset", ep_num); + } +#endif + } +} +#endif + +/* ************************************************************************** */ + +/** + * udc_check_ep - check logical endpoint + * + * Return physical endpoint number to use for this logical endpoint or zero if not valid. + */ +#if 0 +int udc_check_ep (int logical_endpoint, int packetsize) +{ + if ((logical_endpoint == 0x80) || + ((logical_endpoint & 0x8f) != logical_endpoint)) { + return 0; + } + + switch (packetsize) { + case 8: + case 16: + case 32: + case 64: + case 128: + case 256: + case 512: + break; + default: + return 0; + } + + return EP_ADDR_TO_PHYS_EP (logical_endpoint); +} +#endif + +/* + * udc_setup_ep - setup endpoint + * + * Associate a physical endpoint with endpoint_instance + */ +void udc_setup_ep (struct usb_device_instance *device, + unsigned int ep, struct usb_endpoint_instance *endpoint) +{ + UDCDBGA ("setting up endpoint addr %x", endpoint->endpoint_address); + + /* This routine gets called by bi_modinit for endpoint 0 and from + * bi_config for all of the other endpoints. bi_config gets called + * during the DEVICE_CREATE, DEVICE_CONFIGURED, and + * DEVICE_SET_INTERFACE events. We need to reconfigure the OMAP packet + * RAM after bi_config scans the selected device configuration and + * initializes the endpoint structures, but before this routine enables + * the OUT endpoint FIFOs. Since bi_config calls this routine in a + * loop for endpoints 1 through UDC_MAX_ENDPOINTS, we reconfigure our + * packet RAM here when ep==1. + * I really hate to do this here, but it seems like the API exported + * by the USB bus interface controller driver to the usbd-bi module + * isn't quite right so there is no good place to do this. + */ + if (ep == 1) { + omap1510_deconfigure_device (); + omap1510_configure_device (device); + } + + if (endpoint && (ep < UDC_MAX_ENDPOINTS)) { + int ep_addr = endpoint->endpoint_address; + + if (!ep_addr) { + /* nothing to do for endpoint 0 */ + } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) { + /* nothing to do for IN (tx) endpoints */ + } else { /* OUT (rx) endpoint */ + if (endpoint->rcv_packetSize) { + /*struct urb* urb = &(urb_out_array[ep&0xFF]); */ + /*urb->endpoint = endpoint; */ + /*urb->device = device; */ + /*urb->buffer_length = sizeof(urb->buffer); */ + + /*endpoint->rcv_urb = urb; */ + omap1510_prepare_endpoint_for_rx (ep_addr); + } + } + } +} + +/** + * udc_disable_ep - disable endpoint + * @ep: + * + * Disable specified endpoint + */ +#if 0 +void udc_disable_ep (unsigned int ep_addr) +{ + /*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */ + int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK; + struct usb_endpoint_instance *endpoint = omap1510_find_ep (ep_addr); /*udc_device->bus->endpoint_array + ep; */ + + UDCDBGA ("disable ep_addr %d", ep_addr); + + if (!ep_num) { + /* nothing to do for endpoint 0 */ ; + } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) { + if (endpoint->tx_packetSize) { + /* we have a valid tx endpoint */ + /*usbd_flush_tx(endpoint); */ + endpoint->tx_urb = NULL; + } + } else { + if (endpoint->rcv_packetSize) { + /* we have a valid rx endpoint */ + /*usbd_flush_rcv(endpoint); */ + endpoint->rcv_urb = NULL; + } + } +} +#endif + +/* ************************************************************************** */ + +/** + * udc_connected - is the USB cable connected + * + * Return non-zero if cable is connected. + */ +#if 0 +int udc_connected (void) +{ + return ((inw (UDC_DEVSTAT) & UDC_ATT) == UDC_ATT); +} +#endif + +/* Turn on the USB connection by enabling the pullup resistor */ +void udc_connect (void) +{ + UDCDBG ("connect, enable Pullup"); + outl (0x00000018, FUNC_MUX_CTRL_D); +} + +/* Turn off the USB connection by disabling the pullup resistor */ +void udc_disconnect (void) +{ + UDCDBG ("disconnect, disable Pullup"); + outl (0x00000000, FUNC_MUX_CTRL_D); +} + +/* ************************************************************************** */ + + +/* + * udc_disable_interrupts - disable interrupts + * switch off interrupts + */ +#if 0 +void udc_disable_interrupts (struct usb_device_instance *device) +{ + UDCDBG ("disabling all interrupts"); + outw (0, UDC_IRQ_EN); +} +#endif + +/* ************************************************************************** */ + +/** + * udc_ep0_packetsize - return ep0 packetsize + */ +#if 0 +int udc_ep0_packetsize (void) +{ + return EP0_PACKETSIZE; +} +#endif + +/* Switch on the UDC */ +void udc_enable (struct usb_device_instance *device) +{ + UDCDBGA ("enable device %p, status %d", device, device->status); + + /* initialize driver state variables */ + udc_devstat = 0; + + /* Save the device structure pointer */ + udc_device = device; + + /* Setup ep0 urb */ + if (!ep0_urb) { + ep0_urb = + usbd_alloc_urb (udc_device, + udc_device->bus->endpoint_array); + } else { + serial_printf ("udc_enable: ep0_urb already allocated %p\n", + ep0_urb); + } + + UDCDBG ("Check clock status"); + UDCREG (STATUS_REQ); + + /* The VBUS_MODE bit selects whether VBUS detection is done via + * software (1) or hardware (0). When software detection is + * selected, VBUS_CTRL selects whether USB is not connected (0) + * or connected (1). + */ + outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_CTRL | UDC_VBUS_MODE, + FUNC_MUX_CTRL_0); + UDCREGL (FUNC_MUX_CTRL_0); + + omap1510_configure_device (device); +} + +/* Switch off the UDC */ +void udc_disable (void) +{ + UDCDBG ("disable UDC"); + + omap1510_deconfigure_device (); + + /* The VBUS_MODE bit selects whether VBUS detection is done via + * software (1) or hardware (0). When software detection is + * selected, VBUS_CTRL selects whether USB is not connected (0) + * or connected (1). + */ + outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_MODE, FUNC_MUX_CTRL_0); + outl (inl (FUNC_MUX_CTRL_0) & ~UDC_VBUS_CTRL, FUNC_MUX_CTRL_0); + UDCREGL (FUNC_MUX_CTRL_0); + + /* Free ep0 URB */ + if (ep0_urb) { + /*usbd_dealloc_urb(ep0_urb); */ + ep0_urb = NULL; + } + + /* Reset device pointer. + * We ought to do this here to balance the initialization of udc_device + * in udc_enable, but some of our other exported functions get called + * by the bus interface driver after udc_disable, so we have to hang on + * to the device pointer to avoid a null pointer dereference. */ + /* udc_device = NULL; */ +} + +/** + * udc_startup - allow udc code to do any additional startup + */ +void udc_startup_events (struct usb_device_instance *device) +{ + /* The DEVICE_INIT event puts the USB device in the state STATE_INIT. */ + usbd_device_event_irq (device, DEVICE_INIT, 0); + + /* The DEVICE_CREATE event puts the USB device in the state + * STATE_ATTACHED. + */ + usbd_device_event_irq (device, DEVICE_CREATE, 0); + + /* Some USB controller driver implementations signal + * DEVICE_HUB_CONFIGURED and DEVICE_RESET events here. + * DEVICE_HUB_CONFIGURED causes a transition to the state STATE_POWERED, + * and DEVICE_RESET causes a transition to the state STATE_DEFAULT. + * The OMAP USB client controller has the capability to detect when the + * USB cable is connected to a powered USB bus via the ATT bit in the + * DEVSTAT register, so we will defer the DEVICE_HUB_CONFIGURED and + * DEVICE_RESET events until later. + */ + + udc_enable (device); +} + +#endif diff --git a/drivers/usbtty.c b/drivers/usbtty.c new file mode 100644 index 0000000000..2f89e2b741 --- /dev/null +++ b/drivers/usbtty.c @@ -0,0 +1,647 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include + +#ifdef CONFIG_USB_TTY + +#include +#include +#include "usbtty.h" + +#if 0 +#define TTYDBG(fmt,args...) serial_printf("[%s] %s %d: "fmt, __FILE__,__FUNCTION__,__LINE__,##args) +#else +#define TTYDBG(fmt,args...) do{}while(0) +#endif + +#if 0 +#define TTYERR(fmt,args...) serial_printf("ERROR![%s] %s %d: "fmt, __FILE__,__FUNCTION__,__LINE__,##args) +#else +#define TTYERR(fmt,args...) do{}while(0) +#endif + +/* + * Buffers to hold input and output data + */ +#define USBTTY_BUFFER_SIZE 256 +static circbuf_t usbtty_input; +static circbuf_t usbtty_output; + + +/* + * Instance variables + */ +static device_t usbttydev; +static struct usb_device_instance device_instance[1]; +static struct usb_bus_instance bus_instance[1]; +static struct usb_configuration_instance config_instance[NUM_CONFIGS]; +static struct usb_interface_instance interface_instance[NUM_INTERFACES]; +static struct usb_alternate_instance alternate_instance[NUM_INTERFACES]; +static struct usb_endpoint_instance endpoint_instance[NUM_ENDPOINTS+1]; /* one extra for control endpoint */ + +/* + * Static allocation of urbs + */ +#define RECV_ENDPOINT 1 +#define TX_ENDPOINT 2 + +/* + * Global flag + */ +int usbtty_configured_flag = 0; + + +/* + * Descriptors + */ +static u8 wstrLang[4] = {4,USB_DT_STRING,0x9,0x4}; +static u8 wstrManufacturer[2 + 2*(sizeof(CONFIG_USBD_MANUFACTURER)-1)]; +static u8 wstrProduct[2 + 2*(sizeof(CONFIG_USBD_PRODUCT_NAME)-1)]; +static u8 wstrSerial[2 + 2*(sizeof(CONFIG_USBD_SERIAL_NUMBER)-1)]; +static u8 wstrConfiguration[2 + 2*(sizeof(CONFIG_USBD_CONFIGURATION_STR)-1)]; +static u8 wstrInterface[2 + 2*(sizeof(CONFIG_USBD_INTERFACE_STR)-1)]; + +static struct usb_string_descriptor *usbtty_string_table[] = { + (struct usb_string_descriptor*)wstrLang, + (struct usb_string_descriptor*)wstrManufacturer, + (struct usb_string_descriptor*)wstrProduct, + (struct usb_string_descriptor*)wstrSerial, + (struct usb_string_descriptor*)wstrConfiguration, + (struct usb_string_descriptor*)wstrInterface +}; +extern struct usb_string_descriptor **usb_strings; /* defined and used by omap1510_ep0.c */ + +static struct usb_device_descriptor device_descriptor = { + bLength: sizeof(struct usb_device_descriptor), + bDescriptorType: USB_DT_DEVICE, + bcdUSB: USB_BCD_VERSION, + bDeviceClass: USBTTY_DEVICE_CLASS, + bDeviceSubClass: USBTTY_DEVICE_SUBCLASS, + bDeviceProtocol: USBTTY_DEVICE_PROTOCOL, + bMaxPacketSize0: EP0_MAX_PACKET_SIZE, + idVendor: CONFIG_USBD_VENDORID, + idProduct: CONFIG_USBD_PRODUCTID, + bcdDevice: USBTTY_BCD_DEVICE, + iManufacturer: STR_MANUFACTURER, + iProduct: STR_PRODUCT, + iSerialNumber: STR_SERIAL, + bNumConfigurations: NUM_CONFIGS + }; +static struct usb_configuration_descriptor config_descriptors[NUM_CONFIGS] = { + { + bLength: sizeof(struct usb_configuration_descriptor), + bDescriptorType: USB_DT_CONFIG, + wTotalLength: (sizeof(struct usb_configuration_descriptor)*NUM_CONFIGS) + + (sizeof(struct usb_interface_descriptor)*NUM_INTERFACES) + + (sizeof(struct usb_endpoint_descriptor)*NUM_ENDPOINTS), + bNumInterfaces: NUM_INTERFACES, + bConfigurationValue: 1, + iConfiguration: STR_CONFIG, + bmAttributes: BMATTRIBUTE_SELF_POWERED | BMATTRIBUTE_RESERVED, + bMaxPower: USBTTY_MAXPOWER + }, +}; +static struct usb_interface_descriptor interface_descriptors[NUM_INTERFACES] = { + { + bLength: sizeof(struct usb_interface_descriptor), + bDescriptorType: USB_DT_INTERFACE, + bInterfaceNumber: 0, + bAlternateSetting: 0, + bNumEndpoints: NUM_ENDPOINTS, + bInterfaceClass: USBTTY_INTERFACE_CLASS, + bInterfaceSubClass: USBTTY_INTERFACE_SUBCLASS, + bInterfaceProtocol: USBTTY_INTERFACE_PROTOCOL, + iInterface: STR_INTERFACE + }, +}; +static struct usb_endpoint_descriptor ep_descriptors[NUM_ENDPOINTS] = { + { + bLength: sizeof(struct usb_endpoint_descriptor), + bDescriptorType: USB_DT_ENDPOINT, + bEndpointAddress: CONFIG_USBD_SERIAL_OUT_ENDPOINT | USB_DIR_OUT, + bmAttributes: USB_ENDPOINT_XFER_BULK, + wMaxPacketSize: CONFIG_USBD_SERIAL_OUT_PKTSIZE, + bInterval: 0 + }, + { + bLength: sizeof(struct usb_endpoint_descriptor), + bDescriptorType: USB_DT_ENDPOINT, + bEndpointAddress: CONFIG_USBD_SERIAL_IN_ENDPOINT | USB_DIR_IN, + bmAttributes: USB_ENDPOINT_XFER_BULK, + wMaxPacketSize: CONFIG_USBD_SERIAL_IN_PKTSIZE, + bInterval: 0 + }, + { + bLength: sizeof(struct usb_endpoint_descriptor), + bDescriptorType: USB_DT_ENDPOINT, + bEndpointAddress: CONFIG_USBD_SERIAL_INT_ENDPOINT | USB_DIR_IN, + bmAttributes: USB_ENDPOINT_XFER_INT, + wMaxPacketSize: CONFIG_USBD_SERIAL_INT_PKTSIZE, + bInterval: 0 + }, +}; +static struct usb_endpoint_descriptor *ep_descriptor_ptrs[NUM_ENDPOINTS] = { + &(ep_descriptors[0]), + &(ep_descriptors[1]), + &(ep_descriptors[2]), +}; + +/* utility function for converting char* to wide string used by USB */ +static void str2wide (char *str, u16 * wide) +{ + int i; + + for (i = 0; i < strlen (str) && str[i]; i++) + wide[i] = (u16) str[i]; +} + +/* + * Prototypes + */ +static void usbtty_init_strings (void); +static void usbtty_init_instances (void); +static void usbtty_init_endpoints (void); + +static void usbtty_event_handler (struct usb_device_instance *device, + usb_device_event_t event, int data); +static int usbtty_configured (void); + +static int write_buffer (circbuf_t * buf); +static int fill_buffer (circbuf_t * buf); + +void usbtty_poll (void); +static void pretend_interrupts (void); + + +/* + * Test whether a character is in the RX buffer + */ +int usbtty_tstc (void) +{ + usbtty_poll (); + return (usbtty_input.size > 0); +} + +/* + * Read a single byte from the usb client port. Returns 1 on success, 0 + * otherwise. When the function is succesfull, the character read is + * written into its argument c. + */ +int usbtty_getc (void) +{ + char c; + + while (usbtty_input.size <= 0) { + usbtty_poll (); + } + + buf_pop (&usbtty_input, &c, 1); + return c; +} + +/* + * Output a single byte to the usb client port. + */ +void usbtty_putc (const char c) +{ + buf_push (&usbtty_output, &c, 1); + /* If \n, also do \r */ + if (c == '\n') + buf_push (&usbtty_output, "\r", 1); + + /* Poll at end to handle new data... */ + if ((usbtty_output.size + 2) >= usbtty_output.totalsize) { + usbtty_poll (); + } +} + + +/* usbtty_puts() helper function for finding the next '\n' in a string */ +static int next_nl_pos (const char *s) +{ + int i; + + for (i = 0; s[i] != '\0'; i++) { + if (s[i] == '\n') + return i; + } + return i; +} + +/* + * Output a string to the usb client port. + */ +static void __usbtty_puts (const char *str, int len) +{ + int maxlen = usbtty_output.totalsize; + int space, n; + + /* break str into chunks < buffer size, if needed */ + while (len > 0) { + space = maxlen - usbtty_output.size; + + /* Empty buffer here, if needed, to ensure space... */ + if (space <= 0) { + write_buffer (&usbtty_output); + space = maxlen - usbtty_output.size; + if (space <= 0) { + space = len; /* allow old data to be overwritten. */ + } + } + + n = MIN (space, MIN (len, maxlen)); + buf_push (&usbtty_output, str, n); + + str += n; + len -= n; + } +} + +void usbtty_puts (const char *str) +{ + int n; + int len = strlen (str); + + /* add '\r' for each '\n' */ + while (len > 0) { + n = next_nl_pos (str); + + if (str[n] == '\n') { + __usbtty_puts (str, n + 1); + __usbtty_puts ("\r", 1); + str += (n + 1); + len -= (n + 1); + } else { + /* No \n found. All done. */ + __usbtty_puts (str, n); + break; + } + } + + /* Poll at end to handle new data... */ + usbtty_poll (); +} + +/* + * Initialize the usb client port. + * + */ +int drv_usbtty_init (void) +{ + int rc; + + + /* prepare buffers... */ + buf_init (&usbtty_input, USBTTY_BUFFER_SIZE); + buf_init (&usbtty_output, USBTTY_BUFFER_SIZE); + + /* Now, set up USB controller and infrastructure */ + udc_init (); /* Basic USB initialization */ + + usbtty_init_strings (); + usbtty_init_instances (); + + udc_startup_events (device_instance); /* Enable our device, initialize udc pointers */ + udc_connect (); /* Enable pullup for host detection */ + + usbtty_init_endpoints (); + + /* Device initialization */ + memset (&usbttydev, 0, sizeof (usbttydev)); + + strcpy (usbttydev.name, "usbtty"); + usbttydev.ext = 0; /* No extensions */ + usbttydev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_OUTPUT; + usbttydev.tstc = usbtty_tstc; /* 'tstc' function */ + usbttydev.getc = usbtty_getc; /* 'getc' function */ + usbttydev.putc = usbtty_putc; /* 'putc' function */ + usbttydev.puts = usbtty_puts; /* 'puts' function */ + + rc = device_register (&usbttydev); + + return (rc == 0) ? 1 : rc; +} + +static void usbtty_init_strings (void) +{ + struct usb_string_descriptor *string; + + string = (struct usb_string_descriptor *) wstrManufacturer; + string->bLength = sizeof (wstrManufacturer); + string->bDescriptorType = USB_DT_STRING; + str2wide (CONFIG_USBD_MANUFACTURER, string->wData); + + string = (struct usb_string_descriptor *) wstrProduct; + string->bLength = sizeof (wstrProduct); + string->bDescriptorType = USB_DT_STRING; + str2wide (CONFIG_USBD_PRODUCT_NAME, string->wData); + + string = (struct usb_string_descriptor *) wstrSerial; + string->bLength = sizeof (wstrSerial); + string->bDescriptorType = USB_DT_STRING; + str2wide (CONFIG_USBD_SERIAL_NUMBER, string->wData); + + string = (struct usb_string_descriptor *) wstrConfiguration; + string->bLength = sizeof (wstrConfiguration); + string->bDescriptorType = USB_DT_STRING; + str2wide (CONFIG_USBD_CONFIGURATION_STR, string->wData); + + string = (struct usb_string_descriptor *) wstrInterface; + string->bLength = sizeof (wstrInterface); + string->bDescriptorType = USB_DT_STRING; + str2wide (CONFIG_USBD_INTERFACE_STR, string->wData); + + /* Now, initialize the string table for ep0 handling */ + usb_strings = usbtty_string_table; +} + +static void usbtty_init_instances (void) +{ + int i; + + /* initialize device instance */ + memset (device_instance, 0, sizeof (struct usb_device_instance)); + device_instance->device_state = STATE_INIT; + device_instance->device_descriptor = &device_descriptor; + device_instance->event = usbtty_event_handler; + device_instance->bus = bus_instance; + device_instance->configurations = NUM_CONFIGS; + device_instance->configuration_instance_array = config_instance; + + /* initialize bus instance */ + memset (bus_instance, 0, sizeof (struct usb_bus_instance)); + bus_instance->device = device_instance; + bus_instance->endpoint_array = endpoint_instance; + bus_instance->max_endpoints = 1; + bus_instance->maxpacketsize = 64; + bus_instance->serial_number_str = CONFIG_USBD_SERIAL_NUMBER; + + /* configuration instance */ + memset (config_instance, 0, + sizeof (struct usb_configuration_instance)); + config_instance->interfaces = NUM_INTERFACES; + config_instance->configuration_descriptor = config_descriptors; + config_instance->interface_instance_array = interface_instance; + + /* interface instance */ + memset (interface_instance, 0, + sizeof (struct usb_interface_instance)); + interface_instance->alternates = 1; + interface_instance->alternates_instance_array = alternate_instance; + + /* alternates instance */ + memset (alternate_instance, 0, + sizeof (struct usb_alternate_instance)); + alternate_instance->interface_descriptor = interface_descriptors; + alternate_instance->endpoints = NUM_ENDPOINTS; + alternate_instance->endpoints_descriptor_array = ep_descriptor_ptrs; + + /* endpoint instances */ + memset (&endpoint_instance[0], 0, + sizeof (struct usb_endpoint_instance)); + endpoint_instance[0].endpoint_address = 0; + endpoint_instance[0].rcv_packetSize = EP0_MAX_PACKET_SIZE; + endpoint_instance[0].rcv_attributes = USB_ENDPOINT_XFER_CONTROL; + endpoint_instance[0].tx_packetSize = EP0_MAX_PACKET_SIZE; + endpoint_instance[0].tx_attributes = USB_ENDPOINT_XFER_CONTROL; + udc_setup_ep (device_instance, 0, &endpoint_instance[0]); + + for (i = 1; i <= NUM_ENDPOINTS; i++) { + memset (&endpoint_instance[i], 0, + sizeof (struct usb_endpoint_instance)); + + endpoint_instance[i].endpoint_address = + ep_descriptors[i - 1].bEndpointAddress; + + endpoint_instance[i].rcv_packetSize = + ep_descriptors[i - 1].wMaxPacketSize; + endpoint_instance[i].rcv_attributes = + ep_descriptors[i - 1].bmAttributes; + + endpoint_instance[i].tx_packetSize = + ep_descriptors[i - 1].wMaxPacketSize; + endpoint_instance[i].tx_attributes = + ep_descriptors[i - 1].bmAttributes; + + urb_link_init (&endpoint_instance[i].rcv); + urb_link_init (&endpoint_instance[i].rdy); + urb_link_init (&endpoint_instance[i].tx); + urb_link_init (&endpoint_instance[i].done); + + if (endpoint_instance[i].endpoint_address & USB_DIR_IN) + endpoint_instance[i].tx_urb = + usbd_alloc_urb (device_instance, + &endpoint_instance[i]); + else + endpoint_instance[i].rcv_urb = + usbd_alloc_urb (device_instance, + &endpoint_instance[i]); + } +} + +static void usbtty_init_endpoints (void) +{ + int i; + + bus_instance->max_endpoints = NUM_ENDPOINTS + 1; + for (i = 0; i <= NUM_ENDPOINTS; i++) { + udc_setup_ep (device_instance, i, &endpoint_instance[i]); + } +} + + +/*********************************************************************************/ + +static struct urb *next_urb (struct usb_device_instance *device, + struct usb_endpoint_instance *endpoint) +{ + struct urb *current_urb = NULL; + int space; + + /* If there's a queue, then we should add to the last urb */ + if (!endpoint->tx_queue) { + current_urb = endpoint->tx_urb; + } else { + /* Last urb from tx chain */ + current_urb = + p2surround (struct urb, link, endpoint->tx.prev); + } + + /* Make sure this one has enough room */ + space = current_urb->buffer_length - current_urb->actual_length; + if (space > 0) { + return current_urb; + } else { /* No space here */ + /* First look at done list */ + current_urb = first_urb_detached (&endpoint->done); + if (!current_urb) { + current_urb = usbd_alloc_urb (device, endpoint); + } + + urb_append (&endpoint->tx, current_urb); + endpoint->tx_queue++; + } + return current_urb; +} + +static int write_buffer (circbuf_t * buf) +{ + if (!usbtty_configured ()) { + return 0; + } + + if (buf->size) { + + struct usb_endpoint_instance *endpoint = + &endpoint_instance[TX_ENDPOINT]; + struct urb *current_urb = NULL; + char *dest; + + int space_avail; + int popnum, popped; + int total = 0; + + /* Break buffer into urb sized pieces, and link each to the endpoint */ + while (buf->size > 0) { + current_urb = next_urb (device_instance, endpoint); + if (!current_urb) { + TTYERR ("current_urb is NULL, buf->size %d\n", + buf->size); + return total; + } + + dest = current_urb->buffer + + current_urb->actual_length; + + space_avail = + current_urb->buffer_length - + current_urb->actual_length; + popnum = MIN (space_avail, buf->size); + if (popnum == 0) + break; + + popped = buf_pop (buf, dest, popnum); + if (popped == 0) + break; + current_urb->actual_length += popped; + total += popped; + + /* If endpoint->last == 0, then transfers have not started on this endpoint */ + if (endpoint->last == 0) { + udc_endpoint_write (endpoint); + } + + } /* end while */ + return total; + } /* end if tx_urb */ + + return 0; +} + +static int fill_buffer (circbuf_t * buf) +{ + struct usb_endpoint_instance *endpoint = + &endpoint_instance[RECV_ENDPOINT]; + + if (endpoint->rcv_urb && endpoint->rcv_urb->actual_length) { + unsigned int nb = endpoint->rcv_urb->actual_length; + char *src = (char *) endpoint->rcv_urb->buffer; + + buf_push (buf, src, nb); + endpoint->rcv_urb->actual_length = 0; + + return nb; + } + + return 0; +} + +static int usbtty_configured (void) +{ + return usbtty_configured_flag; +} + +/*********************************************************************************/ + +static void usbtty_event_handler (struct usb_device_instance *device, + usb_device_event_t event, int data) +{ + switch (event) { + case DEVICE_RESET: + case DEVICE_BUS_INACTIVE: + usbtty_configured_flag = 0; + break; + case DEVICE_CONFIGURED: + usbtty_configured_flag = 1; + break; + + case DEVICE_ADDRESS_ASSIGNED: + usbtty_init_endpoints (); + + default: + break; + } +} + +/*********************************************************************************/ + + +/* + * Since interrupt handling has not yet been implemented, we use this function + * to handle polling. This is called by the tstc,getc,putc,puts routines to + * update the USB state. + */ +void usbtty_poll (void) +{ + /* New interrupts? */ + pretend_interrupts (); + + /* Write any output data to host buffer (do this before checking interrupts to avoid missing one) */ + if (usbtty_configured ()) { + write_buffer (&usbtty_output); + } + + /* New interrupts? */ + pretend_interrupts (); + + /* Check for new data from host.. (do this after checking interrupts to get latest data) */ + if (usbtty_configured ()) { + fill_buffer (&usbtty_input); + } + + /* New interrupts? */ + pretend_interrupts (); +} + +static void pretend_interrupts (void) +{ + /* Loop while we have interrupts. + * If we don't do this, the input chain + * polling delay is likely to miss + * host requests. + */ + while (inw (UDC_IRQ_SRC) & ~UDC_SOF_Flg) { + /* Handle any new IRQs */ + omap1510_udc_irq (); + omap1510_udc_noniso_irq (); + } +} +#endif diff --git a/drivers/usbtty.h b/drivers/usbtty.h new file mode 100644 index 0000000000..79c2fe57d7 --- /dev/null +++ b/drivers/usbtty.h @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __USB_TTY_H__ +#define __USB_TTY_H__ + + +#include "usbdcore.h" +#include "usbdcore_omap1510.h" + + +#define NUM_CONFIGS 1 +#define NUM_INTERFACES 1 +#define NUM_ENDPOINTS 3 + +#define EP0_MAX_PACKET_SIZE 64 + +#define CONFIG_USBD_CONFIGURATION_STR "TTY via USB" +#define CONFIG_USBD_INTERFACE_STR "Simple Serial Data Interface - Bulk Mode" + + +#define CONFIG_USBD_SERIAL_OUT_ENDPOINT 2 +#define CONFIG_USBD_SERIAL_OUT_PKTSIZE 64 +#define CONFIG_USBD_SERIAL_IN_ENDPOINT 1 +#define CONFIG_USBD_SERIAL_IN_PKTSIZE 64 +#define CONFIG_USBD_SERIAL_INT_ENDPOINT 5 +#define CONFIG_USBD_SERIAL_INT_PKTSIZE 16 + + +#define USBTTY_DEVICE_CLASS COMMUNICATIONS_DEVICE_CLASS +#define USBTTY_DEVICE_SUBCLASS COMMUNICATIONS_NO_SUBCLASS +#define USBTTY_DEVICE_PROTOCOL COMMUNICATIONS_NO_PROTOCOL + +#define USBTTY_INTERFACE_CLASS 0xFF /* Vendor Specific */ +#define USBTTY_INTERFACE_SUBCLASS 0x02 +#define USBTTY_INTERFACE_PROTOCOL 0x01 + +#define USBTTY_BCD_DEVICE 0x0 +#define USBTTY_MAXPOWER 0x0 + +#define STR_MANUFACTURER 1 +#define STR_PRODUCT 2 +#define STR_SERIAL 3 +#define STR_CONFIG 4 +#define STR_INTERFACE 5 + +#endif diff --git a/include/circbuf.h b/include/circbuf.h new file mode 100644 index 0000000000..e10ed95718 --- /dev/null +++ b/include/circbuf.h @@ -0,0 +1,40 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __CIRCBUF_H__ +#define __CIRCBUF_H__ + +typedef struct circbuf { + unsigned int size; /* current number of bytes held */ + unsigned int totalsize; /* number of bytes allocated */ + + char *top; /* pointer to current buffer start */ + char *tail; /* pointer to space for next element */ + + char *data; /* all data */ + char *end; /* end of data buffer */ +} circbuf_t; + +int buf_init (circbuf_t * buf, unsigned int size); +int buf_free (circbuf_t * buf); +int buf_pop (circbuf_t * buf, char *dest, unsigned int len); +int buf_push (circbuf_t * buf, const char *src, unsigned int len); + +#endif diff --git a/include/configs/SX1.h b/include/configs/SX1.h new file mode 100644 index 0000000000..ca536c5d3f --- /dev/null +++ b/include/configs/SX1.h @@ -0,0 +1,177 @@ +/* + * (C) Copyright 2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * If we are developing, we might want to start armboot from ram + * so we MUST NOT initialize critical regs like mem-timing ... + */ +#define CONFIG_INIT_CRITICAL /* undef for developing */ + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_ARM925T 1 /* This is an arm925t CPU */ +#define CONFIG_OMAP 1 /* in a TI OMAP core */ +#define CONFIG_OMAP1510 1 /* which is in a 1510 (helen) */ +#define CONFIG_OMAP_SX1 1 /* a SX1 Board */ + +/* input clock of PLL */ +#define CONFIG_SYS_CLK_FREQ 12000000 /* the SX1 has 12MHz input clock */ + +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ + +#define CONFIG_MISC_INIT_R + +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_INITRD_TAG 1 + +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +/* + * Hardware drivers + */ + +/* + * NS16550 Configuration + */ +#define CFG_NS16550 +#define CFG_NS16550_SERIAL +#define CFG_NS16550_REG_SIZE (-4) +#define CFG_NS16550_CLK (CONFIG_SYS_CLK_FREQ) /* can be 12M/32Khz or 48Mhz */ +#define CFG_NS16550_COM1 0xfffb0000 /* uart1, bluetooth uart on helen */ + +/* + * select serial console configuration + */ +#define CONFIG_SERIAL1 1 /* we use SERIAL 1 on SX1 */ + +/* + * USB device configuration + */ +#define CONFIG_USB_DEVICE 1 +#define CONFIG_USB_TTY 1 + +#define CONFIG_USBD_VENDORID 0x1234 +#define CONFIG_USBD_PRODUCTID 0x5678 +#define CONFIG_USBD_MANUFACTURER "Siemens" +#define CONFIG_USBD_PRODUCT_NAME "SX1" +#define CONFIG_USBD_SERIAL_NUMBER "000000000001" + + +/* + * I2C configuration + */ +#define CONFIG_HARD_I2C +#define CFG_I2C_SPEED 100000 +#define CFG_I2C_SLAVE 1 +#define CONFIG_DRIVER_OMAP1510_I2C + +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_ENV_OVERWRITE +#define CONFIG_CONS_INDEX 1 +#define CONFIG_BAUDRATE 115200 +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +#define CONFIG_COMMANDS (( CONFIG_CMD_DFL | \ + CFG_CMD_I2C ) & \ + ~CFG_CMD_NET) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include +#include + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTARGS "mem=16M console=ttyS0,115200n8 root=/dev/mtdblock3 rw" + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "SX1# " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x10000000 /* memtest works on */ +#define CFG_MEMTEST_END 0x12000000 /* 32 MB in DRAM */ + +#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ + +#define CFG_LOAD_ADDR 0x10000000 /* default load address */ + +/* The 1510 has 3 timers, they can be driven by the RefClk (12Mhz) or by DPLL1. + * This time is further subdivided by a local divisor. + */ +#define CFG_TIMERBASE 0xFFFEC500 /* use timer 1 */ +#define CFG_PVT 7 /* 2^(pvt+1), divide by 256 */ +#define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT)) + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ +#define PHYS_SDRAM_1 0x10000000 /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */ + +#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ +#define PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */ + +#define CFG_FLASH_BASE PHYS_FLASH_1 + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ +#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT (128) /* max number of sectors on one chip */ +#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x020000) /* addr of environment */ + +/* timeout values are in ticks */ +#define CFG_FLASH_ERASE_TOUT (20*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (20*CFG_HZ) /* Timeout for Flash Write */ + +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */ +#define CFG_ENV_OFFSET 0x20000 /* environment starts here */ + +#endif /* __CONFIG_H */ diff --git a/include/configs/omap1510.h b/include/configs/omap1510.h index 2658135e94..6787b1928a 100644 --- a/include/configs/omap1510.h +++ b/include/configs/omap1510.h @@ -179,7 +179,7 @@ #define USB_OTG_CTRL 0xFFFB040C #define USB_TRANSCEIVER_CTRL 0xFFFE1064 -#define PULL_DWN_CTRL_4 0xFFFE10AC +#define PULL_DWN_CTRL_4 0xFFFE10AC #define PU_PD_SEL_0 0xFFFE10B4 #define PU_PD_SEL_1 0xFFFE10B8 #define PU_PD_SEL_2 0xFFFE10BC @@ -221,6 +221,89 @@ #define OMAP_LCD_CONTROL TI925_LCD_CONTROL +/* I2C Registers */ + +#define I2C_BASE 0xfffb3800 + +#define I2C_REV (I2C_BASE + 0x00) +#define I2C_IE (I2C_BASE + 0x04) +#define I2C_STAT (I2C_BASE + 0x08) +#define I2C_IV (I2C_BASE + 0x0c) +#define I2C_BUF (I2C_BASE + 0x14) +#define I2C_CNT (I2C_BASE + 0x18) +#define I2C_DATA (I2C_BASE + 0x1c) +#define I2C_CON (I2C_BASE + 0x24) +#define I2C_OA (I2C_BASE + 0x28) +#define I2C_SA (I2C_BASE + 0x2c) +#define I2C_PSC (I2C_BASE + 0x30) +#define I2C_SCLL (I2C_BASE + 0x34) +#define I2C_SCLH (I2C_BASE + 0x38) +#define I2C_SYSTEST (I2C_BASE + 0x3c) + +/* I2C masks */ + +/* I2C Interrupt Enable Register (I2C_IE): */ + +#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */ +#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */ +#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */ +#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */ +#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */ + +/* I2C Status Register (I2C_STAT): */ + +#define I2C_STAT_SBD (1 << 15) /* Single byte data */ +#define I2C_STAT_BB (1 << 12) /* Bus busy */ +#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */ +#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */ +#define I2C_STAT_AAS (1 << 9) /* Address as slave */ +#define I2C_STAT_AD0 (1 << 8) /* Address zero */ +#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */ +#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */ +#define I2C_STAT_ARDY (1 << 2) /* Register access ready */ +#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */ +#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */ + +/* I2C Interrupt Vector Register (I2C_IV): */ + +/* I2C Interrupt Code Register (I2C_INTCODE): */ + +#define I2C_INTCODE_MASK 7 +#define I2C_INTCODE_NONE 0 +#define I2C_INTCODE_AL 1 /* Arbitration lost */ +#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */ +#define I2C_INTCODE_ARDY 3 /* Register access ready */ +#define I2C_INTCODE_RRDY 4 /* Rcv data ready */ +#define I2C_INTCODE_XRDY 5 /* Xmit data ready */ + +/* I2C Buffer Configuration Register (I2C_BUF): */ + +#define I2C_BUF_RDMA_EN (1 << 15) /* Receive DMA channel enable */ +#define I2C_BUF_XDMA_EN (1 << 7) /* Transmit DMA channel enable */ + +/* I2C Configuration Register (I2C_CON): */ + +#define I2C_CON_EN (1 << 15) /* I2C module enable */ +#define I2C_CON_BE (1 << 14) /* Big endian mode */ +#define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */ +#define I2C_CON_MST (1 << 10) /* Master/slave mode */ +#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode (master mode only) */ +#define I2C_CON_XA (1 << 8) /* Expand address */ +#define I2C_CON_RM (1 << 2) /* Repeat mode (master mode only) */ +#define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */ +#define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */ + +/* I2C System Test Register (I2C_SYSTEST): */ + +#define I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */ +#define I2C_SYSTEST_FREE (1 << 14) /* Free running mode (on breakpoint) */ +#define I2C_SYSTEST_TMODE_MASK (3 << 12) /* Test mode select */ +#define I2C_SYSTEST_TMODE_SHIFT (12) /* Test mode select */ +#define I2C_SYSTEST_SCL_I (1 << 3) /* SCL line sense input value */ +#define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */ +#define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */ +#define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */ + /* * MMC/SD Host Controller Registers */ @@ -696,3 +779,12 @@ int cpu_type(void); #define IRQ_LEVEL_INT 1 #define IRQ_EDGE_INT 0 + +/* Macros to access registers */ +#define outb(v,p) *(volatile u8 *) (p) = v +#define outw(v,p) *(volatile u16 *) (p) = v +#define outl(v,p) *(volatile u32 *) (p) = v + +#define inb(p) *(volatile u8 *) (p) +#define inw(p) *(volatile u16 *) (p) +#define inl(p) *(volatile u32 *) (p) diff --git a/include/devices.h b/include/devices.h index a27c4e83f1..9f2a0c34ac 100644 --- a/include/devices.h +++ b/include/devices.h @@ -105,5 +105,8 @@ int drv_video_init (void); #ifdef CONFIG_KEYBOARD int drv_keyboard_init (void); #endif +#ifdef CONFIG_USB_TTY +int drv_usbtty_init (void); +#endif #endif /* _DEVICES_H_ */ diff --git a/include/usbdcore.h b/include/usbdcore.h new file mode 100644 index 0000000000..6e92df13bd --- /dev/null +++ b/include/usbdcore.h @@ -0,0 +1,671 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * Based on linux/drivers/usbd/usbd.h + * + * Copyright (c) 2000, 2001, 2002 Lineo + * Copyright (c) 2001 Hewlett Packard + * + * By: + * Stuart Lynne , + * Tom Rushworth , + * Bruce Balden + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __USBDCORE_H__ +#define __USBDCORE_H__ + +#include +#include "usbdescriptors.h" + + +#define MAX_URBS_QUEUED 5 + + +#if 1 +#define usberr(fmt,args...) serial_printf("ERROR: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) +#else +#define usberr(fmt,args...) do{}while(0) +#endif + +#if 0 +#define usbdbg(fmt,args...) serial_printf("debug: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) +#else +#define usbdbg(fmt,args...) do{}while(0) +#endif + +#if 0 +#define usbinfo(fmt,args...) serial_printf("info: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) +#else +#define usbinfo(fmt,args...) do{}while(0) +#endif + +#ifndef le16_to_cpu +#define le16_to_cpu(x) (x) +#endif + +#ifndef inb +#define inb(p) (*(volatile u8*)(p)) +#endif + +#ifndef outb +#define outb(val,p) (*(volatile u8*)(p) = (val)) +#endif + +#ifndef inw +#define inw(p) (*(volatile u16*)(p)) +#endif + +#ifndef outw +#define outw(val,p) (*(volatile u16*)(p) = (val)) +#endif + +#ifndef inl +#define inl(p) (*(volatile u32*)(p)) +#endif + +#ifndef outl +#define outl(val,p) (*(volatile u32*)(p) = (val)) +#endif + +#ifndef insw +#define insw(p,to,len) mmio_insw(p,to,len) +#endif + +#ifndef outsw +#define outsw(p,from,len) mmio_outsw(p,from,len) +#endif + +#ifndef insb +#define insb(p,to,len) mmio_insb(p,to,len) +#endif + +#ifndef mmio_insw +#define mmio_insw(r,b,l) ({ int __i ; \ + u16 *__b2; \ + __b2 = (u16 *) b; \ + for (__i = 0; __i < l; __i++) { \ + *(__b2 + __i) = inw(r); \ + }; \ + }) +#endif + +#ifndef mmio_outsw +#define mmio_outsw(r,b,l) ({ int __i; \ + u16 *__b2; \ + __b2 = (u16 *) b; \ + for (__i = 0; __i < l; __i++) { \ + outw( *(__b2 + __i), r); \ + } \ + }) +#endif + +#ifndef mmio_insb +#define mmio_insb(r,b,l) ({ int __i ; \ + u8 *__b2; \ + __b2 = (u8 *) b; \ + for (__i = 0; __i < l; __i++) { \ + *(__b2 + __i) = inb(r); \ + }; \ + }) +#endif + +#ifndef MIN +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#endif +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + + +/* + * Structure member address manipulation macros. + * These are used by client code (code using the urb_link routines), since + * the urb_link structure is embedded in the client data structures. + * + * Note: a macro offsetof equivalent to member_offset is defined in stddef.h + * but this is kept here for the sake of portability. + * + * p2surround returns a pointer to the surrounding structure given + * type of the surrounding structure, the name memb of the structure + * member pointed at by ptr. For example, if you have: + * + * struct foo { + * int x; + * float y; + * char z; + * } thingy; + * + * char *cp = &thingy.z; + * + * then + * + * &thingy == p2surround(struct foo, z, cp) + * + * Clear? + */ +#define _cv_(ptr) ((char*)(void*)(ptr)) +#define member_offset(type,memb) (_cv_(&(((type*)0)->memb))-(char*)0) +#define p2surround(type,memb,ptr) ((type*)(void*)(_cv_(ptr)-member_offset(type,memb))) + +struct urb; + +struct usb_endpoint_instance; +struct usb_interface_instance; +struct usb_configuration_instance; +struct usb_device_instance; +struct usb_bus_instance; + +/* + * Device and/or Interface Class codes + */ +#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ +#define USB_CLASS_AUDIO 1 +#define USB_CLASS_COMM 2 +#define USB_CLASS_HID 3 +#define USB_CLASS_PHYSICAL 5 +#define USB_CLASS_PRINTER 7 +#define USB_CLASS_MASS_STORAGE 8 +#define USB_CLASS_HUB 9 +#define USB_CLASS_DATA 10 +#define USB_CLASS_APP_SPEC 0xfe +#define USB_CLASS_VENDOR_SPEC 0xff + +/* + * USB types + */ +#define USB_TYPE_STANDARD (0x00 << 5) +#define USB_TYPE_CLASS (0x01 << 5) +#define USB_TYPE_VENDOR (0x02 << 5) +#define USB_TYPE_RESERVED (0x03 << 5) + +/* + * USB recipients + */ +#define USB_RECIP_DEVICE 0x00 +#define USB_RECIP_INTERFACE 0x01 +#define USB_RECIP_ENDPOINT 0x02 +#define USB_RECIP_OTHER 0x03 + +/* + * USB directions + */ +#define USB_DIR_OUT 0 +#define USB_DIR_IN 0x80 + +/* + * Descriptor types + */ +#define USB_DT_DEVICE 0x01 +#define USB_DT_CONFIG 0x02 +#define USB_DT_STRING 0x03 +#define USB_DT_INTERFACE 0x04 +#define USB_DT_ENDPOINT 0x05 + +#define USB_DT_HID (USB_TYPE_CLASS | 0x01) +#define USB_DT_REPORT (USB_TYPE_CLASS | 0x02) +#define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03) +#define USB_DT_HUB (USB_TYPE_CLASS | 0x09) + +/* + * Descriptor sizes per descriptor type + */ +#define USB_DT_DEVICE_SIZE 18 +#define USB_DT_CONFIG_SIZE 9 +#define USB_DT_INTERFACE_SIZE 9 +#define USB_DT_ENDPOINT_SIZE 7 +#define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ +#define USB_DT_HUB_NONVAR_SIZE 7 +#define USB_DT_HID_SIZE 9 + +/* + * Endpoints + */ +#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ +#define USB_ENDPOINT_DIR_MASK 0x80 + +#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ +#define USB_ENDPOINT_XFER_CONTROL 0 +#define USB_ENDPOINT_XFER_ISOC 1 +#define USB_ENDPOINT_XFER_BULK 2 +#define USB_ENDPOINT_XFER_INT 3 + +/* + * USB Packet IDs (PIDs) + */ +#define USB_PID_UNDEF_0 0xf0 +#define USB_PID_OUT 0xe1 +#define USB_PID_ACK 0xd2 +#define USB_PID_DATA0 0xc3 +#define USB_PID_PING 0xb4 /* USB 2.0 */ +#define USB_PID_SOF 0xa5 +#define USB_PID_NYET 0x96 /* USB 2.0 */ +#define USB_PID_DATA2 0x87 /* USB 2.0 */ +#define USB_PID_SPLIT 0x78 /* USB 2.0 */ +#define USB_PID_IN 0x69 +#define USB_PID_NAK 0x5a +#define USB_PID_DATA1 0x4b +#define USB_PID_PREAMBLE 0x3c /* Token mode */ +#define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */ +#define USB_PID_SETUP 0x2d +#define USB_PID_STALL 0x1e +#define USB_PID_MDATA 0x0f /* USB 2.0 */ + +/* + * Standard requests + */ +#define USB_REQ_GET_STATUS 0x00 +#define USB_REQ_CLEAR_FEATURE 0x01 +#define USB_REQ_SET_FEATURE 0x03 +#define USB_REQ_SET_ADDRESS 0x05 +#define USB_REQ_GET_DESCRIPTOR 0x06 +#define USB_REQ_SET_DESCRIPTOR 0x07 +#define USB_REQ_GET_CONFIGURATION 0x08 +#define USB_REQ_SET_CONFIGURATION 0x09 +#define USB_REQ_GET_INTERFACE 0x0A +#define USB_REQ_SET_INTERFACE 0x0B +#define USB_REQ_SYNCH_FRAME 0x0C + +#define USBD_DEVICE_REQUESTS(x) (((unsigned int)x <= USB_REQ_SYNCH_FRAME) ? usbd_device_requests[x] : "UNKNOWN") + +/* + * HID requests + */ +#define USB_REQ_GET_REPORT 0x01 +#define USB_REQ_GET_IDLE 0x02 +#define USB_REQ_GET_PROTOCOL 0x03 +#define USB_REQ_SET_REPORT 0x09 +#define USB_REQ_SET_IDLE 0x0A +#define USB_REQ_SET_PROTOCOL 0x0B + + +/* + * USB Spec Release number + */ + +#define USB_BCD_VERSION 0x0110 + + +/* + * Device Requests (c.f Table 9-2) + */ + +#define USB_REQ_DIRECTION_MASK 0x80 +#define USB_REQ_TYPE_MASK 0x60 +#define USB_REQ_RECIPIENT_MASK 0x1f + +#define USB_REQ_DEVICE2HOST 0x80 +#define USB_REQ_HOST2DEVICE 0x00 + +#define USB_REQ_TYPE_STANDARD 0x00 +#define USB_REQ_TYPE_CLASS 0x20 +#define USB_REQ_TYPE_VENDOR 0x40 + +#define USB_REQ_RECIPIENT_DEVICE 0x00 +#define USB_REQ_RECIPIENT_INTERFACE 0x01 +#define USB_REQ_RECIPIENT_ENDPOINT 0x02 +#define USB_REQ_RECIPIENT_OTHER 0x03 + +/* + * get status bits + */ + +#define USB_STATUS_SELFPOWERED 0x01 +#define USB_STATUS_REMOTEWAKEUP 0x02 + +#define USB_STATUS_HALT 0x01 + +/* + * descriptor types + */ + +#define USB_DESCRIPTOR_TYPE_DEVICE 0x01 +#define USB_DESCRIPTOR_TYPE_CONFIGURATION 0x02 +#define USB_DESCRIPTOR_TYPE_STRING 0x03 +#define USB_DESCRIPTOR_TYPE_INTERFACE 0x04 +#define USB_DESCRIPTOR_TYPE_ENDPOINT 0x05 +#define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 0x06 +#define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION 0x07 +#define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 0x08 +#define USB_DESCRIPTOR_TYPE_HID 0x21 +#define USB_DESCRIPTOR_TYPE_REPORT 0x22 + +#define USBD_DEVICE_DESCRIPTORS(x) (((unsigned int)x <= USB_DESCRIPTOR_TYPE_INTERFACE_POWER) ? \ + usbd_device_descriptors[x] : "UNKNOWN") + +/* + * standard feature selectors + */ +#define USB_ENDPOINT_HALT 0x00 +#define USB_DEVICE_REMOTE_WAKEUP 0x01 +#define USB_TEST_MODE 0x02 + + +/* USB Requests + * + */ + +struct usb_device_request { + u8 bmRequestType; + u8 bRequest; + u16 wValue; + u16 wIndex; + u16 wLength; +} __attribute__ ((packed)); + + +/* USB Status + * + */ +typedef enum urb_send_status { + SEND_IN_PROGRESS, + SEND_FINISHED_OK, + SEND_FINISHED_ERROR, + RECV_READY, + RECV_OK, + RECV_ERROR +} urb_send_status_t; + +/* + * Device State (c.f USB Spec 2.0 Figure 9-1) + * + * What state the usb device is in. + * + * Note the state does not change if the device is suspended, we simply set a + * flag to show that it is suspended. + * + */ +typedef enum usb_device_state { + STATE_INIT, /* just initialized */ + STATE_CREATED, /* just created */ + STATE_ATTACHED, /* we are attached */ + STATE_POWERED, /* we have seen power indication (electrical bus signal) */ + STATE_DEFAULT, /* we been reset */ + STATE_ADDRESSED, /* we have been addressed (in default configuration) */ + STATE_CONFIGURED, /* we have seen a set configuration device command */ + STATE_UNKNOWN, /* destroyed */ +} usb_device_state_t; + +#define USBD_DEVICE_STATE(x) (((unsigned int)x <= STATE_UNKNOWN) ? usbd_device_states[x] : "UNKNOWN") + +/* + * Device status + * + * Overall state + */ +typedef enum usb_device_status { + USBD_OPENING, /* we are currently opening */ + USBD_OK, /* ok to use */ + USBD_SUSPENDED, /* we are currently suspended */ + USBD_CLOSING, /* we are currently closing */ +} usb_device_status_t; + +#define USBD_DEVICE_STATUS(x) (((unsigned int)x <= USBD_CLOSING) ? usbd_device_status[x] : "UNKNOWN") + +/* + * Device Events + * + * These are defined in the USB Spec (c.f USB Spec 2.0 Figure 9-1). + * + * There are additional events defined to handle some extra actions we need + * to have handled. + * + */ +typedef enum usb_device_event { + + DEVICE_UNKNOWN, /* bi - unknown event */ + DEVICE_INIT, /* bi - initialize */ + DEVICE_CREATE, /* bi - */ + DEVICE_HUB_CONFIGURED, /* bi - bus has been plugged int */ + DEVICE_RESET, /* bi - hub has powered our port */ + + DEVICE_ADDRESS_ASSIGNED, /* ep0 - set address setup received */ + DEVICE_CONFIGURED, /* ep0 - set configure setup received */ + DEVICE_SET_INTERFACE, /* ep0 - set interface setup received */ + + DEVICE_SET_FEATURE, /* ep0 - set feature setup received */ + DEVICE_CLEAR_FEATURE, /* ep0 - clear feature setup received */ + + DEVICE_DE_CONFIGURED, /* ep0 - set configure setup received for ?? */ + + DEVICE_BUS_INACTIVE, /* bi - bus in inactive (no SOF packets) */ + DEVICE_BUS_ACTIVITY, /* bi - bus is active again */ + + DEVICE_POWER_INTERRUPTION, /* bi - hub has depowered our port */ + DEVICE_HUB_RESET, /* bi - bus has been unplugged */ + DEVICE_DESTROY, /* bi - device instance should be destroyed */ + + DEVICE_HOTPLUG, /* bi - a hotplug event has occured */ + + DEVICE_FUNCTION_PRIVATE, /* function - private */ + +} usb_device_event_t; + + +typedef struct urb_link { + struct urb_link *next; + struct urb_link *prev; +} urb_link; + +/* USB Data structure - for passing data around. + * + * This is used for both sending and receiving data. + * + * The callback function is used to let the function driver know when + * transmitted data has been sent. + * + * The callback function is set by the alloc_recv function when an urb is + * allocated for receiving data for an endpoint and used to call the + * function driver to inform it that data has arrived. + */ + +#define URB_BUF_SIZE 128 /* in linux we'd malloc this, but in u-boot we prefer static data */ +struct urb { + + struct usb_endpoint_instance *endpoint; + struct usb_device_instance *device; + + struct usb_device_request device_request; /* contents of received SETUP packet */ + + struct urb_link link; /* embedded struct for circular doubly linked list of urbs */ + + u8* buffer; + unsigned int buffer_length; + unsigned int actual_length; + + urb_send_status_t status; + int data; + + u16 buffer_data[URB_BUF_SIZE]; /* data received (OUT) or being sent (IN) */ +}; + +/* Endpoint configuration + * + * Per endpoint configuration data. Used to track which function driver owns + * an endpoint. + * + */ +struct usb_endpoint_instance { + int endpoint_address; /* logical endpoint address */ + + /* control */ + int status; /* halted */ + int state; /* available for use by bus interface driver */ + + /* receive side */ + struct urb_link rcv; /* received urbs */ + struct urb_link rdy; /* empty urbs ready to receive */ + struct urb *rcv_urb; /* active urb */ + int rcv_attributes; /* copy of bmAttributes from endpoint descriptor */ + int rcv_packetSize; /* maximum packet size from endpoint descriptor */ + int rcv_transferSize; /* maximum transfer size from function driver */ + int rcv_queue; + + /* transmit side */ + struct urb_link tx; /* urbs ready to transmit */ + struct urb_link done; /* transmitted urbs */ + struct urb *tx_urb; /* active urb */ + int tx_attributes; /* copy of bmAttributes from endpoint descriptor */ + int tx_packetSize; /* maximum packet size from endpoint descriptor */ + int tx_transferSize; /* maximum transfer size from function driver */ + int tx_queue; + + int sent; /* data already sent */ + int last; /* data sent in last packet XXX do we need this */ +}; + +struct usb_alternate_instance { + struct usb_interface_descriptor *interface_descriptor; + + int endpoints; + int *endpoint_transfersize_array; + struct usb_endpoint_descriptor **endpoints_descriptor_array; +}; + +struct usb_interface_instance { + int alternates; + struct usb_alternate_instance *alternates_instance_array; +}; + +struct usb_configuration_instance { + int interfaces; + struct usb_configuration_descriptor *configuration_descriptor; + struct usb_interface_instance *interface_instance_array; +}; + + +/* USB Device Instance + * + * For each physical bus interface we create a logical device structure. This + * tracks all of the required state to track the USB HOST's view of the device. + * + * Keep track of the device configuration for a real physical bus interface, + * this includes the bus interface, multiple function drivers, the current + * configuration and the current state. + * + * This will show: + * the specific bus interface driver + * the default endpoint 0 driver + * the configured function driver + * device state + * device status + * endpoint list + */ + +struct usb_device_instance { + + /* generic */ + char *name; + struct usb_device_descriptor *device_descriptor; /* per device descriptor */ + + void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data); + + /* bus interface */ + struct usb_bus_instance *bus; /* which bus interface driver */ + + /* configuration descriptors */ + int configurations; + struct usb_configuration_instance *configuration_instance_array; + + /* device state */ + usb_device_state_t device_state; /* current USB Device state */ + usb_device_state_t device_previous_state; /* current USB Device state */ + + u8 address; /* current address (zero is default) */ + u8 configuration; /* current show configuration (zero is default) */ + u8 interface; /* current interface (zero is default) */ + u8 alternate; /* alternate flag */ + + usb_device_status_t status; /* device status */ + + int urbs_queued; /* number of submitted urbs */ + + /* Shouldn't need to make this atomic, all we need is a change indicator */ + unsigned long usbd_rxtx_timestamp; + unsigned long usbd_last_rxtx_timestamp; + +}; + +/* Bus Interface configuration structure + * + * This is allocated for each configured instance of a bus interface driver. + * + * The privdata pointer may be used by the bus interface driver to store private + * per instance state information. + */ +struct usb_bus_instance { + + struct usb_device_instance *device; + struct usb_endpoint_instance *endpoint_array; /* array of available configured endpoints */ + + int max_endpoints; /* maximimum number of rx enpoints */ + unsigned char maxpacketsize; + + unsigned int serial_number; + char *serial_number_str; + void *privdata; /* private data for the bus interface */ + +}; + +extern char *usbd_device_events[]; +extern char *usbd_device_states[]; +extern char *usbd_device_status[]; +extern char *usbd_device_requests[]; +extern char *usbd_device_descriptors[]; + +void urb_link_init (urb_link * ul); +void urb_detach (struct urb *urb); +urb_link *first_urb_link (urb_link * hd); +struct urb *first_urb (urb_link * hd); +struct urb *first_urb_detached (urb_link * hd); +void urb_append (urb_link * hd, struct urb *urb); + +struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint); +void usbd_dealloc_urb (struct urb *urb); + +/* + * usbd_device_event is used by bus interface drivers to tell the higher layers that + * certain events have taken place. + */ +void usbd_device_event_irq (struct usb_device_instance *conf, usb_device_event_t, int); +void usbd_device_event (struct usb_device_instance *conf, usb_device_event_t, int); + +/* descriptors + * + * Various ways of finding descriptors based on the current device and any + * possible configuration / interface / endpoint for it. + */ +struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct usb_device_instance *, int, int); +struct usb_function_instance *usbd_device_function_instance (struct usb_device_instance *, unsigned int); +struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *, int, int, int); +struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *, int, int, int, int); +struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance *, int, int, int, int); +struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance *, int, int, int, int, int); +struct usb_class_descriptor *usbd_device_class_descriptor_index (struct usb_device_instance *, int, int, int, int, int); +struct usb_class_report_descriptor *usbd_device_class_report_descriptor_index( struct usb_device_instance *, int , int , int , int , int ); +struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *, int, int, int, int, int); +int usbd_device_endpoint_transfersize (struct usb_device_instance *, int, int, int, int, int); +struct usb_string_descriptor *usbd_get_string (u8); +struct usb_device_descriptor *usbd_device_device_descriptor (struct usb_device_instance *, int); + +int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint); +void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad); +void usbd_tx_complete (struct usb_endpoint_instance *endpoint); + +#endif diff --git a/include/usbdcore_ep0.h b/include/usbdcore_ep0.h new file mode 100644 index 0000000000..3bec106a43 --- /dev/null +++ b/include/usbdcore_ep0.h @@ -0,0 +1,39 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * Based on + * linux/drivers/usbd/ep0.c + * + * Copyright (c) 2000, 2001, 2002 Lineo + * Copyright (c) 2001 Hewlett Packard + * + * By: + * Stuart Lynne , + * Tom Rushworth , + * Bruce Balden + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __USBDCORE_EP0_H__ +#define __USBDCORE_EP0_H__ + + +int ep0_recv_setup (struct urb *urb); + + +#endif diff --git a/include/usbdcore_omap1510.h b/include/usbdcore_omap1510.h new file mode 100644 index 0000000000..6ea333122f --- /dev/null +++ b/include/usbdcore_omap1510.h @@ -0,0 +1,183 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * Based on + * linux/drivers/usb/device/bi/omap.h + * Register definitions for TI OMAP1510 USB bus interface driver + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * + * 2003 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#ifndef __USBDCORE_OMAP1510_H__ +#define __USBDCORE_OMAP1510_H__ + + +/* + * 13.2 MPU Register Map + */ + +/* Table 13-1. USB Function Module Registers (endpoint) */ +#define UDC_BASE 0xFFFB4000 +#define UDC_OFFSET(offset) (UDC_BASE + (offset)) +#define UDC_REV UDC_OFFSET(0x0) /* Revision */ +#define UDC_EP_NUM UDC_OFFSET(0x4) /* Endpoint selection */ +#define UDC_DATA UDC_OFFSET(0x08) /* Data */ +#define UDC_CTRL UDC_OFFSET(0x0C) /* Control */ +#define UDC_STAT_FLG UDC_OFFSET(0x10) /* Status flag */ +#define UDC_RXFSTAT UDC_OFFSET(0x14) /* Receive FIFO status */ +#define UDC_SYSCON1 UDC_OFFSET(0x18) /* System configuration 1 */ +#define UDC_SYSCON2 UDC_OFFSET(0x1C) /* System configuration 2 */ +#define UDC_DEVSTAT UDC_OFFSET(0x20) /* Device status */ +#define UDC_SOF UDC_OFFSET(0x24) /* Start of frame */ +#define UDC_IRQ_EN UDC_OFFSET(0x28) /* Interrupt enable */ +#define UDC_DMA_IRQ_EN UDC_OFFSET(0x2C) /* DMA interrupt enable */ +#define UDC_IRQ_SRC UDC_OFFSET(0x30) /* Interrupt source */ +#define UDC_EPN_STAT UDC_OFFSET(0x34) /* Endpoint interrupt status */ +#define UDC_DMAN_STAT UDC_OFFSET(0x3C) /* DMA endpoint interrupt status */ + +/* IRQ_EN register fields */ +#define UDC_Sof_IE (1 << 7) /* Start-of-frame interrupt enabled */ +#define UDC_EPn_RX_IE (1 << 5) /* Receive endpoint interrupt enabled */ +#define UDC_EPn_TX_IE (1 << 4) /* Transmit endpoint interrupt enabled */ +#define UDC_DS_Chg_IE (1 << 3) /* Device state changed interrupt enabled */ +#define UDC_EP0_IE (1 << 0) /* EP0 transaction interrupt enabled */ + +/* IRQ_SRC register fields */ +#define UDC_TXn_Done (1 << 10) /* Transmit DMA channel n done */ +#define UDC_RXn_Cnt (1 << 9) /* Receive DMA channel n transactions count */ +#define UDC_RXn_EOT (1 << 8) /* Receive DMA channel n end of transfer */ +#define UDC_SOF_Flg (1 << 7) /* Start-of-frame interrupt flag */ +#define UDC_EPn_RX (1 << 5) /* Endpoint n OUT transaction */ +#define UDC_EPn_TX (1 << 4) /* Endpoint n IN transaction */ +#define UDC_DS_Chg (1 << 3) /* Device state changed */ +#define UDC_Setup (1 << 2) /* Setup transaction */ +#define UDC_EP0_RX (1 << 1) /* EP0 OUT transaction */ +#define UDC_EP0_TX (1 << 0) /* EP0 IN transaction */ + +/* DEVSTAT register fields, 14.2.9 */ +#define UDC_R_WK_OK (1 << 6) /* Remote wakeup granted */ +#define UDC_USB_Reset (1 << 5) /* USB reset signalling is active */ +#define UDC_SUS (1 << 4) /* Suspended state */ +#define UDC_CFG (1 << 3) /* Configured state */ +#define UDC_ADD (1 << 2) /* Addressed state */ +#define UDC_DEF (1 << 1) /* Default state */ +#define UDC_ATT (1 << 0) /* Attached state */ + +/* SYSCON1 register fields */ +#define UDC_Cfg_Lock (1 << 8) /* Device configuration locked */ +#define UDC_Nak_En (1 << 4) /* NAK enable */ +#define UDC_Self_Pwr (1 << 2) /* Device is self-powered */ +#define UDC_Soff_Dis (1 << 1) /* Shutoff disabled */ +#define UDC_Pullup_En (1 << 0) /* External pullup enabled */ + +/* SYSCON2 register fields */ +#define UDC_Rmt_Wkp (1 << 6) /* Remote wakeup */ +#define UDC_Stall_Cmd (1 << 5) /* Stall endpoint */ +#define UDC_Dev_Cfg (1 << 3) /* Device configured */ +#define UDC_Clr_Cfg (1 << 2) /* Clear configured */ + +/* + * Select and enable endpoints + */ + +/* Table 13-1. USB Function Module Registers (endpoint configuration) */ +#define UDC_EPBASE UDC_OFFSET(0x80) /* Endpoints base address */ +#define UDC_EP0 UDC_EPBASE /* Control endpoint configuration */ +#define UDC_EP_RX_BASE UDC_OFFSET(0x84) /* Receive endpoints base address */ +#define UDC_EP_RX(endpoint) (UDC_EP_RX_BASE + ((endpoint) - 1) * 4) +#define UDC_EP_TX_BASE UDC_OFFSET(0xC4) /* Transmit endpoints base address */ +#define UDC_EP_TX(endpoint) (UDC_EP_TX_BASE + ((endpoint) - 1) * 4) + +/* EP_NUM register fields */ +#define UDC_Setup_Sel (1 << 6) /* Setup FIFO select */ +#define UDC_EP_Sel (1 << 5) /* TX/RX FIFO select */ +#define UDC_EP_Dir (1 << 4) /* Endpoint direction */ + +/* CTRL register fields */ +#define UDC_Clr_Halt (1 << 7) /* Clear halt endpoint */ +#define UDC_Set_Halt (1 << 6) /* Set halt endpoint */ +#define UDC_Set_FIFO_En (1 << 2) /* Set FIFO enable */ +#define UDC_Clr_EP (1 << 1) /* Clear endpoint */ +#define UDC_Reset_EP (1 << 0) /* Reset endpoint */ + +/* STAT_FLG register fields */ +#define UDC_Miss_In (1 << 14) +#define UDC_Data_Flush (1 << 13) +#define UDC_ISO_Err (1 << 12) +#define UDC_ISO_FIFO_Empty (1 << 9) +#define UDC_ISO_FIFO_Full (1 << 8) +#define UDC_EP_Halted (1 << 6) +#define UDC_STALL (1 << 5) +#define UDC_NAK (1 << 4) +#define UDC_ACK (1 << 3) +#define UDC_FIFO_En (1 << 2) +#define UDC_Non_ISO_FIFO_Empty (1 << 1) +#define UDC_Non_ISO_FIFO_Full (1 << 0) + +/* EPn_RX register fields */ +#define UDC_EPn_RX_Valid (1 << 15) /* valid */ +#define UDC_EPn_RX_Db (1 << 14) /* double-buffer */ +#define UDC_EPn_RX_Iso (1 << 11) /* isochronous */ + +/* EPn_TX register fields */ +#define UDC_EPn_TX_Valid (1 << 15) /* valid */ +#define UDC_EPn_TX_Db (1 << 14) /* double-buffer */ +#define UDC_EPn_TX_Iso (1 << 11) /* isochronous */ + +#define EP0_PACKETSIZE 0x40 + +/* physical to logical endpoint mapping + * Physical endpoints are an index into device->bus->endpoint_array. + * Logical endpoints are endpoints 0 to 15 IN and OUT as defined in + * the USB specification. + * + * physical ep logical ep direction endpoint_address + * 0 0 IN and OUT 0x00 + * 1 to 15 1 to 15 OUT 0x01 to 0x0f + * 16 to 30 1 to 15 IN 0x81 to 0x8f + */ +#define PHYS_EP_TO_EP_ADDR(ep) (((ep) < 16) ? (ep) : (((ep) - 15) | 0x80)) +#define EP_ADDR_TO_PHYS_EP(a) (((a) & 0x80) ? (((a) & ~0x80) + 15) : (a)) + +/* MOD_CONF_CTRL_0 bits (FIXME: move to board hardware.h ?) */ +#define CONF_MOD_USB_W2FC_VBUS_MODE_R (1 << 17) + +/* Other registers (may be) related to USB */ + +#define CLOCK_CTRL (0xFFFE0830) +#define APLL_CTRL (0xFFFE084C) +#define DPLL_CTRL (0xFFFE083C) +#define SOFT_REQ (0xFFFE0834) +#define STATUS_REQ (0xFFFE0840) + +/* FUNC_MUX_CTRL_0 bits related to USB */ +#define UDC_VBUS_CTRL (1 << 19) +#define UDC_VBUS_MODE (1 << 18) + + +void omap1510_udc_irq(void); +void omap1510_udc_noniso_irq(void); + + +/* Higher level functions for abstracting away from specific device */ +void udc_endpoint_write(struct usb_endpoint_instance *endpoint); + +int udc_init (void); + +void udc_enable(struct usb_device_instance *device); +void udc_disable(void); + +void udc_connect(void); +void udc_disconnect(void); + +void udc_startup_events(struct usb_device_instance *device); +void udc_setup_ep(struct usb_device_instance *device, unsigned int ep, struct usb_endpoint_instance *endpoint); + +#endif diff --git a/include/usbdescriptors.h b/include/usbdescriptors.h new file mode 100644 index 0000000000..2d9f739343 --- /dev/null +++ b/include/usbdescriptors.h @@ -0,0 +1,497 @@ +/* + * (C) Copyright 2003 + * Gerry Hamel, geh@ti.com, Texas Instruments + * + * Based on + * linux/drivers/usbd/usb-function.h - USB Function + * + * Copyright (c) 2000, 2001, 2002 Lineo + * Copyright (c) 2001 Hewlett Packard + * + * By: + * Stuart Lynne , + * Tom Rushworth , + * Bruce Balden + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* USB Descriptors - Create a complete description of all of the + * function driver capabilities. These map directly to the USB descriptors. + * + * This heirarchy is created by the functions drivers and is passed to the + * usb-device driver when the function driver is registered. + * + * device + * configuration + * interface + * alternate + * class + * class + * alternate + * endpoint + * endpoint + * interface + * alternate + * endpoint + * endpoint + * configuration + * interface + * alternate + * endpoint + * endpoint + * + * + * The configuration structures refer to the USB Configurations that will be + * made available to a USB HOST during the enumeration process. + * + * The USB HOST will select a configuration and optionally an interface with + * the usb set configuration and set interface commands. + * + * The selected interface (or the default interface if not specifically + * selected) will define the list of endpoints that will be used. + * + * The configuration and interfaces are stored in an array that is indexed + * by the specified configuratin or interface number minus one. + * + * A configuration number of zero is used to specify a return to the unconfigured + * state. + * + */ + + +#ifndef __USBDESCRIPTORS_H__ +#define __USBDESCRIPTORS_H__ + +#include + +/* + * communications class types + * + * c.f. CDC USB Class Definitions for Communications Devices + * c.f. WMCD USB CDC Subclass Specification for Wireless Mobile Communications Devices + * + */ + +#define CLASS_BCD_VERSION 0x0110 + +/* c.f. CDC 4.1 Table 14 */ +#define COMMUNICATIONS_DEVICE_CLASS 0x02 + +/* c.f. CDC 4.2 Table 15 */ +#define COMMUNICATIONS_INTERFACE_CLASS 0x02 + +/* c.f. CDC 4.3 Table 16 */ +#define COMMUNICATIONS_NO_SUBCLASS 0x00 +#define COMMUNICATIONS_DLCM_SUBCLASS 0x01 +#define COMMUNICATIONS_ACM_SUBCLASS 0x02 +#define COMMUNICATIONS_TCM_SUBCLASS 0x03 +#define COMMUNICATIONS_MCCM_SUBCLASS 0x04 +#define COMMUNICATIONS_CCM_SUBCLASS 0x05 +#define COMMUNICATIONS_ENCM_SUBCLASS 0x06 +#define COMMUNICATIONS_ANCM_SUBCLASS 0x07 + +/* c.f. WMCD 5.1 */ +#define COMMUNICATIONS_WHCM_SUBCLASS 0x08 +#define COMMUNICATIONS_DMM_SUBCLASS 0x09 +#define COMMUNICATIONS_MDLM_SUBCLASS 0x0a +#define COMMUNICATIONS_OBEX_SUBCLASS 0x0b + +/* c.f. CDC 4.6 Table 18 */ +#define DATA_INTERFACE_CLASS 0x0a + +/* c.f. CDC 4.7 Table 19 */ +#define COMMUNICATIONS_NO_PROTOCOL 0x00 + + +/* c.f. CDC 5.2.3 Table 24 */ +#define CS_INTERFACE 0x24 +#define CS_ENDPOINT 0x25 + +/* + * bDescriptorSubtypes + * + * c.f. CDC 5.2.3 Table 25 + * c.f. WMCD 5.3 Table 5.3 + */ + +#define USB_ST_HEADER 0x00 +#define USB_ST_CMF 0x01 +#define USB_ST_ACMF 0x02 +#define USB_ST_DLMF 0x03 +#define USB_ST_TRF 0x04 +#define USB_ST_TCLF 0x05 +#define USB_ST_UF 0x06 +#define USB_ST_CSF 0x07 +#define USB_ST_TOMF 0x08 +#define USB_ST_USBTF 0x09 +#define USB_ST_NCT 0x0a +#define USB_ST_PUF 0x0b +#define USB_ST_EUF 0x0c +#define USB_ST_MCMF 0x0d +#define USB_ST_CCMF 0x0e +#define USB_ST_ENF 0x0f +#define USB_ST_ATMNF 0x10 + +#define USB_ST_WHCM 0x11 +#define USB_ST_MDLM 0x12 +#define USB_ST_MDLMD 0x13 +#define USB_ST_DMM 0x14 +#define USB_ST_OBEX 0x15 +#define USB_ST_CS 0x16 +#define USB_ST_CSD 0x17 +#define USB_ST_TCM 0x18 + +/* endpoint modifiers + * static struct usb_endpoint_description function_default_A_1[] = { + * + * {this_endpoint: 0, attributes: CONTROL, max_size: 8, polling_interval: 0 }, + * {this_endpoint: 1, attributes: BULK, max_size: 64, polling_interval: 0, direction: IN}, + * {this_endpoint: 2, attributes: BULK, max_size: 64, polling_interval: 0, direction: OUT}, + * {this_endpoint: 3, attributes: INTERRUPT, max_size: 8, polling_interval: 0}, + * + * + */ +#define OUT 0x00 +#define IN 0x80 + +#define CONTROL 0x00 +#define ISOCHRONOUS 0x01 +#define BULK 0x02 +#define INTERRUPT 0x03 + + +/* configuration modifiers + */ +#define BMATTRIBUTE_RESERVED 0x80 +#define BMATTRIBUTE_SELF_POWERED 0x40 + +/* + * standard usb descriptor structures + */ + +struct usb_endpoint_descriptor { + u8 bLength; + u8 bDescriptorType; /* 0x5 */ + u8 bEndpointAddress; + u8 bmAttributes; + u16 wMaxPacketSize; + u8 bInterval; +} __attribute__ ((packed)); + +struct usb_interface_descriptor { + u8 bLength; + u8 bDescriptorType; /* 0x04 */ + u8 bInterfaceNumber; + u8 bAlternateSetting; + u8 bNumEndpoints; + u8 bInterfaceClass; + u8 bInterfaceSubClass; + u8 bInterfaceProtocol; + u8 iInterface; +} __attribute__ ((packed)); + +struct usb_configuration_descriptor { + u8 bLength; + u8 bDescriptorType; /* 0x2 */ + u16 wTotalLength; + u8 bNumInterfaces; + u8 bConfigurationValue; + u8 iConfiguration; + u8 bmAttributes; + u8 bMaxPower; +} __attribute__ ((packed)); + +struct usb_device_descriptor { + u8 bLength; + u8 bDescriptorType; /* 0x01 */ + u16 bcdUSB; + u8 bDeviceClass; + u8 bDeviceSubClass; + u8 bDeviceProtocol; + u8 bMaxPacketSize0; + u16 idVendor; + u16 idProduct; + u16 bcdDevice; + u8 iManufacturer; + u8 iProduct; + u8 iSerialNumber; + u8 bNumConfigurations; +} __attribute__ ((packed)); + +struct usb_string_descriptor { + u8 bLength; + u8 bDescriptorType; /* 0x03 */ + u16 wData[0]; +} __attribute__ ((packed)); + +struct usb_generic_descriptor { + u8 bLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; +} __attribute__ ((packed)); + + +/* + * communications class descriptor structures + * + * c.f. CDC 5.2 Table 25c + */ + +struct usb_class_function_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; +} __attribute__ ((packed)); + +struct usb_class_function_descriptor_generic { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; + u8 bmCapabilities; +} __attribute__ ((packed)); + +struct usb_class_header_function_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x00 */ + u16 bcdCDC; +} __attribute__ ((packed)); + +struct usb_class_call_management_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x01 */ + u8 bmCapabilities; + u8 bDataInterface; +} __attribute__ ((packed)); + +struct usb_class_abstract_control_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x02 */ + u8 bmCapabilities; +} __attribute__ ((packed)); + +struct usb_class_direct_line_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x03 */ +} __attribute__ ((packed)); + +struct usb_class_telephone_ringer_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x04 */ + u8 bRingerVolSeps; + u8 bNumRingerPatterns; +} __attribute__ ((packed)); + +struct usb_class_telephone_call_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x05 */ + u8 bmCapabilities; +} __attribute__ ((packed)); + +struct usb_class_union_function_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x06 */ + u8 bMasterInterface; + u8 bSlaveInterface0[0]; +} __attribute__ ((packed)); + +struct usb_class_country_selection_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x07 */ + u8 iCountryCodeRelDate; + u16 wCountryCode0[0]; +} __attribute__ ((packed)); + + +struct usb_class_telephone_operational_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x08 */ + u8 bmCapabilities; +} __attribute__ ((packed)); + + +struct usb_class_usb_terminal_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x09 */ + u8 bEntityId; + u8 bInterfaceNo; + u8 bOutInterfaceNo; + u8 bmOptions; + u8 bChild0[0]; +} __attribute__ ((packed)); + +struct usb_class_network_channel_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x0a */ + u8 bEntityId; + u8 iName; + u8 bChannelIndex; + u8 bPhysicalInterface; +} __attribute__ ((packed)); + +struct usb_class_protocol_unit_function_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x0b */ + u8 bEntityId; + u8 bProtocol; + u8 bChild0[0]; +} __attribute__ ((packed)); + +struct usb_class_extension_unit_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x0c */ + u8 bEntityId; + u8 bExtensionCode; + u8 iName; + u8 bChild0[0]; +} __attribute__ ((packed)); + +struct usb_class_multi_channel_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x0d */ + u8 bmCapabilities; +} __attribute__ ((packed)); + +struct usb_class_capi_control_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x0e */ + u8 bmCapabilities; +} __attribute__ ((packed)); + +struct usb_class_ethernet_networking_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x0f */ + u8 iMACAddress; + u32 bmEthernetStatistics; + u16 wMaxSegmentSize; + u16 wNumberMCFilters; + u8 bNumberPowerFilters; +} __attribute__ ((packed)); + +struct usb_class_atm_networking_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x10 */ + u8 iEndSystermIdentifier; + u8 bmDataCapabilities; + u8 bmATMDeviceStatistics; + u16 wType2MaxSegmentSize; + u16 wType3MaxSegmentSize; + u16 wMaxVC; +} __attribute__ ((packed)); + + +struct usb_class_mdlm_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x12 */ + u16 bcdVersion; + u8 bGUID[16]; +} __attribute__ ((packed)); + +struct usb_class_mdlmd_descriptor { + u8 bFunctionLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; /* 0x13 */ + u8 bGuidDescriptorType; + u8 bDetailData[0]; + +} __attribute__ ((packed)); + +/* + * HID class descriptor structures + * + * c.f. HID 6.2.1 + */ + +struct usb_class_hid_descriptor { + u8 bLength; + u8 bDescriptorType; + u16 bcdCDC; + u8 bCountryCode; + u8 bNumDescriptors; /* 0x01 */ + u8 bDescriptorType0; + u16 wDescriptorLength0; + /* optional descriptors are not supported. */ +} __attribute__((packed)); + +struct usb_class_report_descriptor { + u8 bLength; /* dummy */ + u8 bDescriptorType; + u16 wLength; + u8 bData[0]; +} __attribute__((packed)); + +/* + * descriptor union structures + */ + +struct usb_descriptor { + union { + struct usb_generic_descriptor generic; + struct usb_endpoint_descriptor endpoint; + struct usb_interface_descriptor interface; + struct usb_configuration_descriptor configuration; + struct usb_device_descriptor device; + struct usb_string_descriptor string; + } descriptor; + +} __attribute__ ((packed)); + +struct usb_class_descriptor { + union { + struct usb_class_function_descriptor function; + struct usb_class_function_descriptor_generic generic; + struct usb_class_header_function_descriptor header_function; + struct usb_class_call_management_descriptor call_management; + struct usb_class_abstract_control_descriptor abstract_control; + struct usb_class_direct_line_descriptor direct_line; + struct usb_class_telephone_ringer_descriptor telephone_ringer; + struct usb_class_telephone_operational_descriptor telephone_operational; + struct usb_class_telephone_call_descriptor telephone_call; + struct usb_class_union_function_descriptor union_function; + struct usb_class_country_selection_descriptor country_selection; + struct usb_class_usb_terminal_descriptor usb_terminal; + struct usb_class_network_channel_descriptor network_channel; + struct usb_class_extension_unit_descriptor extension_unit; + struct usb_class_multi_channel_descriptor multi_channel; + struct usb_class_capi_control_descriptor capi_control; + struct usb_class_ethernet_networking_descriptor ethernet_networking; + struct usb_class_atm_networking_descriptor atm_networking; + struct usb_class_mdlm_descriptor mobile_direct; + struct usb_class_mdlmd_descriptor mobile_direct_detail; + struct usb_class_hid_descriptor hid; + } descriptor; + +} __attribute__ ((packed)); + +#endif diff --git a/lib_arm/armlinux.c b/lib_arm/armlinux.c index 8ba9f0c797..8ace062750 100644 --- a/lib_arm/armlinux.c +++ b/lib_arm/armlinux.c @@ -12,12 +12,12 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ @@ -256,6 +256,13 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], /* we assume that the kernel is in place */ printf ("\nStarting kernel ...\n\n"); +#ifdef CONFIG_USB_DEVICE + { + extern void udc_disconnect (void); + udc_disconnect (); + } +#endif + cleanup_before_linux (); theKernel (0, bd->bi_arch_number, bd->bi_boot_params); diff --git a/net/bootp.c b/net/bootp.c index e02372cb28..f5adce4f5e 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -5,12 +5,12 @@ * (See License) * Copyright 2000 Roland Borde * Copyright 2000 Paolo Scaffardi - * Copyright 2000-2002 Wolfgang Denk, wd@denx.de + * Copyright 2000-2004 Wolfgang Denk, wd@denx.de */ #if 0 -#define DEBUG 1 /* general debug */ -#define DEBUG_BOOTP_EXT 1 /* Debug received vendor fields */ +#define DEBUG 1 /* general debug */ +#define DEBUG_BOOTP_EXT 1 /* Debug received vendor fields */ #endif #ifdef DEBUG_BOOTP_EXT @@ -24,26 +24,27 @@ #include #include "bootp.h" #include "tftp.h" +#include "nfs.h" #ifdef CONFIG_STATUS_LED #include #endif -#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */ +#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */ #if (CONFIG_COMMANDS & CFG_CMD_NET) #define TIMEOUT 5 /* Seconds before trying BOOTP again */ -#ifndef CONFIG_NET_RETRY_COUNT +#ifndef CONFIG_NET_RETRY_COUNT # define TIMEOUT_COUNT 5 /* # of timeouts before giving up */ #else -# define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT) +# define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT) #endif #define PORT_BOOTPS 67 /* BOOTP server UDP port */ #define PORT_BOOTPC 68 /* BOOTP client UDP port */ #ifndef CONFIG_DHCP_MIN_EXT_LEN /* minimal length of extension list */ -#define CONFIG_DHCP_MIN_EXT_LEN 64 +#define CONFIG_DHCP_MIN_EXT_LEN 64 #endif ulong BootpID; @@ -63,13 +64,13 @@ static void DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len); static char *dhcpmsg2str(int type) { switch (type) { - case 1: return "DHCPDISCOVER"; break; - case 2: return "DHCPOFFER"; break; - case 3: return "DHCPREQUEST"; break; - case 4: return "DHCPDECLINE"; break; - case 5: return "DHCPACK"; break; - case 6: return "DHCPNACK"; break; - case 7: return "DHCPRELEASE"; break; + case 1: return "DHCPDISCOVER"; break; + case 2: return "DHCPOFFER"; break; + case 3: return "DHCPREQUEST"; break; + case 4: return "DHCPDECLINE"; break; + case 5: return "DHCPACK"; break; + case 6: return "DHCPNACK"; break; + case 7: return "DHCPRELEASE"; break; default: return "UNKNOWN/INVALID MSG TYPE"; break; } } @@ -144,159 +145,158 @@ static int truncate_sz (const char *name, int maxlen, int curlen) #if !(CONFIG_COMMANDS & CFG_CMD_DHCP) -static void BootpVendorFieldProcess(u8 *ext) +static void BootpVendorFieldProcess (u8 * ext) { - int size = *(ext+1) ; + int size = *(ext + 1); - debug_ext ("[BOOTP] Processing extension %d... (%d bytes)\n", *ext, *(ext+1)); + debug_ext ("[BOOTP] Processing extension %d... (%d bytes)\n", *ext, + *(ext + 1)); - NetBootFileSize = 0; + NetBootFileSize = 0; - switch (*ext) { - /* Fixed length fields */ - case 1: /* Subnet mask */ + switch (*ext) { + /* Fixed length fields */ + case 1: /* Subnet mask */ if (NetOurSubnetMask == 0) - NetCopyIP(&NetOurSubnetMask, (IPaddr_t*)(ext+2)); + NetCopyIP (&NetOurSubnetMask, (IPaddr_t *) (ext + 2)); break; - case 2: /* Time offset - Not yet supported */ + case 2: /* Time offset - Not yet supported */ break; - /* Variable length fields */ - case 3: /* Gateways list */ + /* Variable length fields */ + case 3: /* Gateways list */ if (NetOurGatewayIP == 0) { - NetCopyIP(&NetOurGatewayIP, (IPaddr_t*)(ext+2)); + NetCopyIP (&NetOurGatewayIP, (IPaddr_t *) (ext + 2)); } break; - case 4: /* Time server - Not yet supported */ + case 4: /* Time server - Not yet supported */ break; - case 5: /* IEN-116 name server - Not yet supported */ + case 5: /* IEN-116 name server - Not yet supported */ break; case 6: if (NetOurDNSIP == 0) { - NetCopyIP(&NetOurDNSIP, (IPaddr_t*)(ext+2)); + NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2)); } #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2) if ((NetOurDNS2IP == 0) && (size > 4)) { - NetCopyIP(&NetOurDNS2IP, (IPaddr_t*)(ext+2+4)); + NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4)); } #endif break; - case 7: /* Log server - Not yet supported */ + case 7: /* Log server - Not yet supported */ break; - case 8: /* Cookie/Quote server - Not yet supported */ + case 8: /* Cookie/Quote server - Not yet supported */ break; - case 9: /* LPR server - Not yet supported */ + case 9: /* LPR server - Not yet supported */ break; - case 10: /* Impress server - Not yet supported */ + case 10: /* Impress server - Not yet supported */ break; - case 11: /* RPL server - Not yet supported */ + case 11: /* RPL server - Not yet supported */ break; - case 12: /* Host name */ + case 12: /* Host name */ if (NetOurHostName[0] == 0) { - size = truncate_sz("Host Name", sizeof(NetOurHostName), size); - memcpy(&NetOurHostName, ext+2, size); - NetOurHostName[size] = 0 ; + size = truncate_sz ("Host Name", sizeof (NetOurHostName), size); + memcpy (&NetOurHostName, ext + 2, size); + NetOurHostName[size] = 0; } break; - case 13: /* Boot file size */ + case 13: /* Boot file size */ if (size == 2) - NetBootFileSize = ntohs(*(ushort*)(ext+2)); + NetBootFileSize = ntohs (*(ushort *) (ext + 2)); else if (size == 4) - NetBootFileSize = ntohl(*(ulong*)(ext+2)); + NetBootFileSize = ntohl (*(ulong *) (ext + 2)); break; - case 14: /* Merit dump file - Not yet supported */ + case 14: /* Merit dump file - Not yet supported */ break; - case 15: /* Domain name - Not yet supported */ + case 15: /* Domain name - Not yet supported */ break; - case 16: /* Swap server - Not yet supported */ + case 16: /* Swap server - Not yet supported */ break; - case 17: /* Root path */ + case 17: /* Root path */ if (NetOurRootPath[0] == 0) { - size = truncate_sz("Root Path", sizeof(NetOurRootPath), size); - memcpy(&NetOurRootPath, ext+2, size); - NetOurRootPath[size] = 0 ; + size = truncate_sz ("Root Path", sizeof (NetOurRootPath), size); + memcpy (&NetOurRootPath, ext + 2, size); + NetOurRootPath[size] = 0; } break; - case 18: /* Extension path - Not yet supported */ + case 18: /* Extension path - Not yet supported */ /* * This can be used to send the information of the * vendor area in another file that the client can * access via TFTP. */ break; - /* IP host layer fields */ - case 40: /* NIS Domain name */ + /* IP host layer fields */ + case 40: /* NIS Domain name */ if (NetOurNISDomain[0] == 0) { - size = truncate_sz ("NIS Domain Name", - sizeof(NetOurNISDomain), - size); - memcpy(&NetOurNISDomain, ext+2, size); - NetOurNISDomain[size] = 0 ; + size = truncate_sz ("NIS Domain Name", sizeof (NetOurNISDomain), size); + memcpy (&NetOurNISDomain, ext + 2, size); + NetOurNISDomain[size] = 0; } break; - /* Application layer fields */ - case 43: /* Vendor specific info - Not yet supported */ + /* Application layer fields */ + case 43: /* Vendor specific info - Not yet supported */ /* * Binary information to exchange specific * product information. */ break; - /* Reserved (custom) fields (128..254) */ - } + /* Reserved (custom) fields (128..254) */ + } } -static void BootpVendorProcess(u8 *ext, int size) +static void BootpVendorProcess (u8 * ext, int size) { - u8 *end = ext + size ; + u8 *end = ext + size; - debug_ext ("[BOOTP] Checking extension (%d bytes)...\n", size); + debug_ext ("[BOOTP] Checking extension (%d bytes)...\n", size); - while ((ext < end) && (*ext != 0xff)) { - if (*ext == 0) { - ext ++ ; - } else { - u8 *opt = ext ; - ext += ext[1] + 2 ; - if (ext <= end) - BootpVendorFieldProcess (opt) ; + while ((ext < end) && (*ext != 0xff)) { + if (*ext == 0) { + ext++; + } else { + u8 *opt = ext; + + ext += ext[1] + 2; + if (ext <= end) + BootpVendorFieldProcess (opt); + } } - } #ifdef DEBUG_BOOTP_EXT - printf("[BOOTP] Received fields: \n"); - if (NetOurSubnetMask) { - puts ("NetOurSubnetMask : "); - print_IPaddr (NetOurSubnetMask); - putc('\n'); - } - - if (NetOurGatewayIP) { - puts ("NetOurGatewayIP : "); - print_IPaddr (NetOurGatewayIP); - putc('\n'); - } - - if (NetBootFileSize) { - printf("NetBootFileSize : %d\n", NetBootFileSize); - } - - if (NetOurHostName[0]) { - printf("NetOurHostName : %s\n", NetOurHostName); - } - - if (NetOurRootPath[0]) { - printf("NetOurRootPath : %s\n", NetOurRootPath); - } - - if (NetOurNISDomain[0]) { - printf("NetOurNISDomain : %s\n", NetOurNISDomain); - } - - if (NetBootFileSize) { - printf("NetBootFileSize: %d\n", NetBootFileSize); - } -#endif /* DEBUG_BOOTP_EXT */ -} + printf ("[BOOTP] Received fields: \n"); + if (NetOurSubnetMask) { + puts ("NetOurSubnetMask : "); + print_IPaddr (NetOurSubnetMask); + putc ('\n'); + } + + if (NetOurGatewayIP) { + puts ("NetOurGatewayIP : "); + print_IPaddr (NetOurGatewayIP); + putc ('\n'); + } + + if (NetBootFileSize) { + printf ("NetBootFileSize : %d\n", NetBootFileSize); + } + if (NetOurHostName[0]) { + printf ("NetOurHostName : %s\n", NetOurHostName); + } + + if (NetOurRootPath[0]) { + printf ("NetOurRootPath : %s\n", NetOurRootPath); + } + + if (NetOurNISDomain[0]) { + printf ("NetOurNISDomain : %s\n", NetOurNISDomain); + } + + if (NetBootFileSize) { + printf ("NetBootFileSize: %d\n", NetBootFileSize); + } +#endif /* DEBUG_BOOTP_EXT */ +} /* * Handle a BOOTP received packet. */ @@ -311,11 +311,11 @@ BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) bp = (Bootp_t *)pkt; - if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ + if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ return; /* - * Got a good BOOTP reply. Copy the data into our variables. + * Got a good BOOTP reply. Copy the data into our variables. */ #ifdef CONFIG_STATUS_LED status_led_set (STATUS_LED_BOOT, STATUS_LED_OFF); @@ -371,179 +371,180 @@ BootpTimeout(void) * Initialize BOOTP extension fields in the request. */ #if (CONFIG_COMMANDS & CFG_CMD_DHCP) -static int DhcpExtended(u8 *e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP) +static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP) { - u8 *start = e ; - u8 *cnt; + u8 *start = e; + u8 *cnt; + #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX) - u8 *x; + u8 *x; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SEND_HOSTNAME) - uchar *hostname; + uchar *hostname; #endif - *e++ = 99; /* RFC1048 Magic Cookie */ - *e++ = 130; - *e++ = 83; - *e++ = 99; - - *e++ = 53; /* DHCP Message Type */ - *e++ = 1; - *e++ = message_type; + *e++ = 99; /* RFC1048 Magic Cookie */ + *e++ = 130; + *e++ = 83; + *e++ = 99; - *e++ = 57; /* Maximum DHCP Message Size */ - *e++ = 2; - *e++ = (576-312+OPT_SIZE) >> 8; - *e++ = (576-312+OPT_SIZE) & 0xff; + *e++ = 53; /* DHCP Message Type */ + *e++ = 1; + *e++ = message_type; - if ( ServerID ) { - int tmp = ntohl(ServerID); + *e++ = 57; /* Maximum DHCP Message Size */ + *e++ = 2; + *e++ = (576 - 312 + OPT_SIZE) >> 8; + *e++ = (576 - 312 + OPT_SIZE) & 0xff; - *e++ = 54; /* ServerID */ - *e++ = 4; - *e++ = tmp >> 24; - *e++ = tmp >> 16; - *e++ = tmp >> 8; - *e++ = tmp & 0xff; - } + if (ServerID) { + int tmp = ntohl (ServerID); - if ( RequestedIP ) { - int tmp = ntohl(RequestedIP); + *e++ = 54; /* ServerID */ + *e++ = 4; + *e++ = tmp >> 24; + *e++ = tmp >> 16; + *e++ = tmp >> 8; + *e++ = tmp & 0xff; + } - *e++ = 50; /* Requested IP */ - *e++ = 4; - *e++ = tmp >> 24; - *e++ = tmp >> 16; - *e++ = tmp >> 8; - *e++ = tmp & 0xff; - } + if (RequestedIP) { + int tmp = ntohl (RequestedIP); + *e++ = 50; /* Requested IP */ + *e++ = 4; + *e++ = tmp >> 24; + *e++ = tmp >> 16; + *e++ = tmp >> 8; + *e++ = tmp & 0xff; + } #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SEND_HOSTNAME) - if ( (hostname = getenv("hostname")) ) { - int hostnamelen = strlen(hostname); - *e++ = 12; /* Hostname */ - *e++ = hostnamelen; - memcpy(e,hostname,hostnamelen); - e += hostnamelen; - } + if ((hostname = getenv ("hostname"))) { + int hostnamelen = strlen (hostname); + + *e++ = 12; /* Hostname */ + *e++ = hostnamelen; + memcpy (e, hostname, hostnamelen); + e += hostnamelen; + } #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX) - if ((x = dhcp_vendorex_prep (e))) - return x - start ; + if ((x = dhcp_vendorex_prep (e))) + return x - start; #endif - *e++ = 55; /* Parameter Request List */ - cnt = e++; /* Pointer to count of requested items */ - *cnt = 0; + *e++ = 55; /* Parameter Request List */ + cnt = e++; /* Pointer to count of requested items */ + *cnt = 0; #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SUBNETMASK) - *e++ = 1; /* Subnet Mask */ - *cnt += 1; + *e++ = 1; /* Subnet Mask */ + *cnt += 1; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_GATEWAY) - *e++ = 3; /* Router Option */ - *cnt += 1; + *e++ = 3; /* Router Option */ + *cnt += 1; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS) - *e++ = 6; /* DNS Server(s) */ - *cnt += 1; + *e++ = 6; /* DNS Server(s) */ + *cnt += 1; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_HOSTNAME) - *e++ = 12; /* Hostname */ - *cnt += 1; + *e++ = 12; /* Hostname */ + *cnt += 1; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTFILESIZE) - *e++ = 13; /* Boot File Size */ - *cnt += 1; + *e++ = 13; /* Boot File Size */ + *cnt += 1; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTPATH) - *e++ = 17; /* Boot path */ - *cnt += 1; + *e++ = 17; /* Boot path */ + *cnt += 1; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NISDOMAIN) - *e++ = 40; /* NIS Domain name request */ - *cnt += 1; + *e++ = 40; /* NIS Domain name request */ + *cnt += 1; #endif - *e++ = 255; /* End of the list */ + *e++ = 255; /* End of the list */ - /* Pad to minimal length */ + /* Pad to minimal length */ #ifdef CONFIG_DHCP_MIN_EXT_LEN - while ((e - start) <= CONFIG_DHCP_MIN_EXT_LEN) - *e++ = 0; + while ((e - start) <= CONFIG_DHCP_MIN_EXT_LEN) + *e++ = 0; #endif - return e - start ; + return e - start; } #else /* CFG_CMD_DHCP */ /* * Warning: no field size check - change CONFIG_BOOTP_MASK at your own risk! */ -static int BootpExtended (u8 *e) +static int BootpExtended (u8 * e) { - u8 *start = e ; + u8 *start = e; - *e++ = 99; /* RFC1048 Magic Cookie */ - *e++ = 130; - *e++ = 83; - *e++ = 99; + *e++ = 99; /* RFC1048 Magic Cookie */ + *e++ = 130; + *e++ = 83; + *e++ = 99; #if (CONFIG_COMMANDS & CFG_CMD_DHCP) - *e++ = 53; /* DHCP Message Type */ - *e++ = 1; - *e++ = DHCP_DISCOVER; - - *e++ = 57; /* Maximum DHCP Message Size */ - *e++ = 2; - *e++ = (576-312+OPT_SIZE) >> 16; - *e++ = (576-312+OPT_SIZE) & 0xff; -#endif /* CFG_CMD_DHCP */ + *e++ = 53; /* DHCP Message Type */ + *e++ = 1; + *e++ = DHCP_DISCOVER; + + *e++ = 57; /* Maximum DHCP Message Size */ + *e++ = 2; + *e++ = (576 - 312 + OPT_SIZE) >> 16; + *e++ = (576 - 312 + OPT_SIZE) & 0xff; +#endif /* CFG_CMD_DHCP */ #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SUBNETMASK) - *e++ = 1; /* Subnet mask request */ - *e++ = 4; - e += 4; + *e++ = 1; /* Subnet mask request */ + *e++ = 4; + e += 4; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_GATEWAY) - *e++ = 3; /* Default gateway request */ - *e++ = 4; - e += 4; + *e++ = 3; /* Default gateway request */ + *e++ = 4; + e += 4; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS) - *e++ = 6; /* Domain Name Server */ - *e++ = 4; - e += 4; + *e++ = 6; /* Domain Name Server */ + *e++ = 4; + e += 4; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_HOSTNAME) - *e++ = 12; /* Host name request */ - *e++ = 32; - e += 32; + *e++ = 12; /* Host name request */ + *e++ = 32; + e += 32; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTFILESIZE) - *e++ = 13; /* Boot file size */ - *e++ = 2; - e += 2; + *e++ = 13; /* Boot file size */ + *e++ = 2; + e += 2; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTPATH) - *e++ = 17; /* Boot path */ - *e++ = 32; - e += 32; + *e++ = 17; /* Boot path */ + *e++ = 32; + e += 32; #endif #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NISDOMAIN) - *e++ = 40; /* NIS Domain name request */ - *e++ = 32; - e += 32; + *e++ = 40; /* NIS Domain name request */ + *e++ = 32; + e += 32; #endif - *e++ = 255; /* End of the list */ + *e++ = 255; /* End of the list */ - return e - start ; + return e - start; } #endif /* CFG_CMD_DHCP */ @@ -678,7 +679,7 @@ BootpRequest (void) | ((ulong)NetOurEther[4] << 8) | (ulong)NetOurEther[5]; BootpID += get_timer(0); - BootpID = htonl(BootpID); + BootpID = htonl(BootpID); NetCopyLong(&bp->bp_id, &BootpID); /* @@ -700,64 +701,59 @@ BootpRequest (void) } #if (CONFIG_COMMANDS & CFG_CMD_DHCP) -static void DhcpOptionsProcess(uchar *popt) +static void DhcpOptionsProcess (uchar * popt) { uchar *end = popt + BOOTP_HDR_SIZE; int oplen, size; - while ( popt < end && *popt != 0xff ) { + while (popt < end && *popt != 0xff) { oplen = *(popt + 1); - switch(*popt) { - case 1: - NetCopyIP(&NetOurSubnetMask, (popt+2)); - break; - case 3: - NetCopyIP(&NetOurGatewayIP, (popt+2)); - break; - case 6: - NetCopyIP(&NetOurDNSIP, (popt+2)); + switch (*popt) { + case 1: + NetCopyIP (&NetOurSubnetMask, (popt + 2)); + break; + case 3: + NetCopyIP (&NetOurGatewayIP, (popt + 2)); + break; + case 6: + NetCopyIP (&NetOurDNSIP, (popt + 2)); #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2) - if ( *(popt+1) > 4 ) { - NetCopyIP(&NetOurDNS2IP, (popt+2+4)); - } + if (*(popt + 1) > 4) { + NetCopyIP (&NetOurDNS2IP, (popt + 2 + 4)); + } #endif - break; - case 12: - size = truncate_sz ("Host Name", - sizeof(NetOurHostName), - oplen); - memcpy(&NetOurHostName, popt+2, size); - NetOurHostName[size] = 0 ; - break; - case 15: /* Ignore Domain Name Option */ - break; - case 17: - size = truncate_sz ("Root Path", - sizeof(NetOurRootPath), - oplen); - memcpy(&NetOurRootPath, popt+2, size); - NetOurRootPath[size] = 0 ; - break; - case 51: - NetCopyLong (&dhcp_leasetime, (ulong *)(popt + 2)); - break; - case 53: /* Ignore Message Type Option */ - break; - case 54: - NetCopyIP(&NetDHCPServerIP, (popt+2)); - break; - case 58: /* Ignore Renewal Time Option */ - break; - case 59: /* Ignore Rebinding Time Option */ - break; - default: + break; + case 12: + size = truncate_sz ("Host Name", sizeof (NetOurHostName), oplen); + memcpy (&NetOurHostName, popt + 2, size); + NetOurHostName[size] = 0; + break; + case 15: /* Ignore Domain Name Option */ + break; + case 17: + size = truncate_sz ("Root Path", sizeof (NetOurRootPath), oplen); + memcpy (&NetOurRootPath, popt + 2, size); + NetOurRootPath[size] = 0; + break; + case 51: + NetCopyLong (&dhcp_leasetime, (ulong *) (popt + 2)); + break; + case 53: /* Ignore Message Type Option */ + break; + case 54: + NetCopyIP (&NetDHCPServerIP, (popt + 2)); + break; + case 58: /* Ignore Renewal Time Option */ + break; + case 59: /* Ignore Rebinding Time Option */ + break; + default: #if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX) - if (dhcp_vendorex_proc(popt)) + if (dhcp_vendorex_proc (popt)) break; #endif - printf("*** Unhandled DHCP Option in OFFER/ACK: %d\n", - *popt); - break; + printf ("*** Unhandled DHCP Option in OFFER/ACK: %d\n", *popt); + break; } popt += oplen + 2; /* Process next option */ } @@ -837,7 +833,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) debug ("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n", src, dest, len, dhcp_state); - if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ + if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ return; debug ("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n", @@ -864,7 +860,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) DhcpOptionsProcess(&bp->bp_vend[4]); - BootpCopyNetParams(bp); /* Store net params from reply */ + BootpCopyNetParams(bp); /* Store net params from reply */ NetSetTimeout(TIMEOUT * CFG_HZ, BootpTimeout); DhcpSendRequestPkt(bp); @@ -882,7 +878,7 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len) if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) DhcpOptionsProcess(&bp->bp_vend[4]); - BootpCopyNetParams(bp); /* Store net params from reply */ + BootpCopyNetParams(bp); /* Store net params from reply */ dhcp_state = BOUND; printf("DHCP client bound to address "); print_IPaddr(NetOurIP);