From 2496efde2453c0fc51c962dfe60dd740ba4268bf Mon Sep 17 00:00:00 2001 From: wdenk <wdenk> Date: Tue, 15 Jan 2002 18:58:11 +0000 Subject: [PATCH] Initial revision --- board/pcippc2/config.mk | 30 +++++++++ board/pcippc2/hardware.h | 48 +++++++++++++++ board/pcippc2/ns16550.h | 41 +++++++++++++ cpu/74xx_7xx/io.S | 128 +++++++++++++++++++++++++++++++++++++++ 4 files changed, 247 insertions(+) create mode 100644 board/pcippc2/config.mk create mode 100644 board/pcippc2/hardware.h create mode 100644 board/pcippc2/ns16550.h create mode 100644 cpu/74xx_7xx/io.S diff --git a/board/pcippc2/config.mk b/board/pcippc2/config.mk new file mode 100644 index 0000000000..92d37c9366 --- /dev/null +++ b/board/pcippc2/config.mk @@ -0,0 +1,30 @@ +# +# (C) Copyright 2002 +# 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 +# + +# +# PCIPPC-2 boards +# + +TEXT_BASE = 0xfff00000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) diff --git a/board/pcippc2/hardware.h b/board/pcippc2/hardware.h new file mode 100644 index 0000000000..489929dd0c --- /dev/null +++ b/board/pcippc2/hardware.h @@ -0,0 +1,48 @@ +/* + * (C) Copyright 2002 + * 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 _HARDWARE_H_ +#define _HARDWARE_H_ + +#include "cpc710.h" +#include "cpc710_pci.h" +#include "pcippc2_fpga.h" +#include "ns16550.h" + +#define REG(r, x) (HW_PHYS_##r + HW_##r##_##x) + + /* Address map: + * + * 0x00000000-0x20000000 SDRAM + * 0x40000000-0x00008000 Init RAM in the CPU DCache + * 0xf0000000-0xf8000000 CPCI MEM + * 0xf8000000-0xfc000000 Local PCI MEM + * 0xfc000000-0xfe000000 CPCI I/O + * 0xfe000000-0xff000000 Local PCI I/O + * 0xff000000-0xff201000 System configuration space + * 0xff400000-0xff500000 Local PCI bridge space + * 0xff500000-0xff600000 CPCI bridge space + * 0xfff00000-0xfff80000 Boot Flash + */ + +#endif diff --git a/board/pcippc2/ns16550.h b/board/pcippc2/ns16550.h new file mode 100644 index 0000000000..7023f13a35 --- /dev/null +++ b/board/pcippc2/ns16550.h @@ -0,0 +1,41 @@ +/* + * (C) Copyright 2002 + * 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 _NS16550_H_ +#define _NS16550_H_ + +#define NS16550_RBR 0x00 +#define NS16550_IER 0x01 +#define NS16550_FCR 0x02 +#define NS16550_LCR 0x03 +#define NS16550_MCR 0x04 +#define NS16550_LSR 0x05 +#define NS16550_MSR 0x06 +#define NS16550_SCR 0x07 + +#define NS16550_THR NS16550_RBR +#define NS16550_IIR NS16550_FCR +#define NS16550_DLL NS16550_RBR +#define NS16550_DLM NS16550_IER + +#endif diff --git a/cpu/74xx_7xx/io.S b/cpu/74xx_7xx/io.S new file mode 100644 index 0000000000..af2e6d12fb --- /dev/null +++ b/cpu/74xx_7xx/io.S @@ -0,0 +1,128 @@ +/* + * Copyright (C) 1998 Dan Malek <dmalek@jlc.net> + * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> + * Copyright (C) 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Andreas Heppel <aheppel@sysgo.de> + * Copyright (C) 2002 Wolfgang Denk <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 <config.h> +#include <ppc_asm.tmpl> + +/* ------------------------------------------------------------------------------- */ +/* Function: in8 */ +/* Description: Input 8 bits */ +/* ------------------------------------------------------------------------------- */ + .globl in8 +in8: + lbz r3,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: in16 */ +/* Description: Input 16 bits */ +/* ------------------------------------------------------------------------------- */ + .globl in16 +in16: + lhz r3,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: in16r */ +/* Description: Input 16 bits and byte reverse */ +/* ------------------------------------------------------------------------------- */ + .globl in16r +in16r: + lhbrx r3,0,r3 + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: in32 */ +/* Description: Input 32 bits */ +/* ------------------------------------------------------------------------------- */ + .globl in32 +in32: + lwz 3,0(3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: in32r */ +/* Description: Input 32 bits and byte reverse */ +/* ------------------------------------------------------------------------------- */ + .globl in32r +in32r: + lwbrx r3,0,r3 + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out8 */ +/* Description: Output 8 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out8 +out8: + stb r4,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out16 */ +/* Description: Output 16 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out16 +out16: + sth r4,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out16r */ +/* Description: Byte reverse and output 16 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out16r +out16r: + sthbrx r4,0,r3 + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out32 */ +/* Description: Output 32 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out32 +out32: + stw r4,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out32r */ +/* Description: Byte reverse and output 32 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out32r +out32r: + stwbrx r4,0,r3 + sync + blr -- 2.39.5