LIBS += post/libpost.a post/drivers/libpostdrivers.a
LIBS += $(shell if [ -d post/lib_$(ARCH) ]; then echo \
"post/lib_$(ARCH)/libpost$(ARCH).a"; fi)
+LIBS += $(shell if [ -d post/lib_$(ARCH)/fpu ]; then echo \
+ "post/lib_$(ARCH)/fpu/libpost$(ARCH)fpu.a"; fi)
LIBS += $(shell if [ -d post/cpu/$(CPU) ]; then echo \
"post/cpu/$(CPU)/libpost$(CPU).a"; fi)
LIBS += $(shell if [ -d post/board/$(BOARDDIR) ]; then echo \
* NOTE: currently the 440s run with dcache _disabled_ once relocated to DRAM,
* although for some cache-ralated calls stubs have to be provided to satisfy
* symbols resolution.
+ * Icache-related functions are used in POST framework.
*
*/
#ifdef CONFIG_440
.globl dcache_disable
+ .globl icache_disable
+ .globl icache_enable
dcache_disable:
+icache_disable:
+icache_enable:
blr
.globl dcache_status
+ .globl icache_status
dcache_status:
+icache_status:
+ mr r3, 0
blr
#else
flush_dcache:
CFG_POST_CPU | \
CFG_POST_UART | \
CFG_POST_I2C | \
+ CFG_POST_CACHE | \
+ CFG_POST_FPU | \
+ CFG_POST_ETHER | \
CFG_POST_SPR)
#define CFG_POST_WORD_ADDR (CFG_GBL_DATA_OFFSET - 0x4)
#define CONFIG_LOGBUFFER
+#define CFG_POST_CACHE_ADDR 0x10000000 /* free virtual address */
#define CFG_CONSOLE_IS_IN_ENV /* Otherwise it catches logbuffer as output */
#define sdr_sdstp3 0x4003
#endif /* CONFIG_440GX */
-#ifdef CONFIG_440
/*----------------------------------------------------------------------------+
| Core Configuration/MMU configuration for 440 (CCR1 for 440x5 only).
+----------------------------------------------------------------------------*/
#define MMUCR_IULXE 0x00400000
#define MMUCR_STS 0x00100000
#define MMUCR_STID_MASK 0x000000FF
-#endif /* CONFIG_440 */
#ifdef CONFIG_440SPE
#undef sdr_sdstp2
LIB = libpostmpc8xx.a
AOBJS = cache_8xx.o
-COBJS = ether.o spr.o uart.o usb.o watchdog.o
+COBJS = cache.o ether.o spr.o uart.o usb.o watchdog.o
include $(TOPDIR)/post/rules.mk
LIB = libpostppc4xx.a
-COBJS = fpu.o spr.o uart.o watchdog.o
+AOBJS = cache_4xx.o
+COBJS = cache.o ether.o fpu.o spr.o uart.o watchdog.o
include $(TOPDIR)/post/rules.mk
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * 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 <common.h>
+
+/* Cache test
+ *
+ * This test verifies the CPU data and instruction cache using
+ * several test scenarios.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_CACHE
+
+#include <asm/mmu.h>
+#include <watchdog.h>
+
+#define CACHE_POST_SIZE 1024
+
+void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value);
+
+int cache_post_test1 (int tlb, void *p, int size);
+int cache_post_test2 (int tlb, void *p, int size);
+int cache_post_test3 (int tlb, void *p, int size);
+int cache_post_test4 (int tlb, void *p, int size);
+int cache_post_test5 (int tlb, void *p, int size);
+int cache_post_test6 (int tlb, void *p, int size);
+
+static int tlb = -1; /* index to the victim TLB entry */
+
+static unsigned char testarea[CACHE_POST_SIZE]
+__attribute__((__aligned__(CACHE_POST_SIZE)));
+
+int cache_post_test (int flags)
+{
+ void* virt = (void*)CFG_POST_CACHE_ADDR;
+ int ints, i, res = 0;
+ u32 word0;
+
+ if (tlb < 0) {
+ /*
+ * Allocate a new TLB entry, since we are going to modify
+ * the write-through and caching inhibited storage attributes.
+ */
+ program_tlb((u32)testarea, (u32)virt,
+ CACHE_POST_SIZE, TLB_WORD2_I_ENABLE);
+
+ /* Find the TLB entry */
+ for (i = 0;; i++) {
+ if (i >= PPC4XX_TLB_SIZE) {
+ printf ("Failed to program tlb entry\n");
+ return -1;
+ }
+ word0 = mftlb1(i);
+ if (TLB_WORD0_EPN_DECODE(word0) == (u32)virt) {
+ tlb = i;
+ break;
+ }
+ }
+ }
+ ints = disable_interrupts ();
+
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test1 (tlb, virt, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test2 (tlb, virt, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test3 (tlb, virt, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test4 (tlb, virt, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test5 (tlb, virt, CACHE_POST_SIZE);
+ WATCHDOG_RESET ();
+ if (res == 0)
+ res = cache_post_test6 (tlb, virt, CACHE_POST_SIZE);
+
+ if (ints)
+ enable_interrupts ();
+
+ return res;
+}
+
+#endif /* CONFIG_POST & CFG_POST_CACHE */
+#endif /* CONFIG_POST */
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * 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>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+
+#if CONFIG_POST & CFG_POST_CACHE
+
+ .text
+
+/* void cache_post_disable (int tlb)
+ */
+cache_post_disable:
+ tlbre r0, r3, 0x0002
+ ori r0, r0, TLB_WORD2_I_ENABLE@l
+ tlbwe r0, r3, 0x0002
+ sync
+ isync
+ blr
+
+/* void cache_post_wt (int tlb)
+ */
+cache_post_wt:
+ tlbre r0, r3, 0x0002
+ ori r0, r0, TLB_WORD2_W_ENABLE@l
+ andi. r0, r0, ~TLB_WORD2_I_ENABLE@l
+ tlbwe r0, r3, 0x0002
+ sync
+ isync
+ blr
+
+/* void cache_post_wb (int tlb)
+ */
+cache_post_wb:
+ tlbre r0, r3, 0x0002
+ andi. r0, r0, ~TLB_WORD2_W_ENABLE@l
+ andi. r0, r0, ~TLB_WORD2_I_ENABLE@l
+ tlbwe r0, r3, 0x0002
+ sync
+ isync
+ blr
+
+/* void cache_post_dinvalidate (void *p, int size)
+ */
+cache_post_dinvalidate:
+ dcbi r0, r3
+ addi r3, r3, CFG_CACHELINE_SIZE
+ subic. r4, r4, CFG_CACHELINE_SIZE
+ bgt cache_post_dinvalidate
+ sync
+ blr
+
+/* void cache_post_dstore (void *p, int size)
+ */
+cache_post_dstore:
+ dcbst r0, r3
+ addi r3, r3, CFG_CACHELINE_SIZE
+ subic. r4, r4, CFG_CACHELINE_SIZE
+ bgt cache_post_dstore
+ sync
+ blr
+
+/* void cache_post_dtouch (void *p, int size)
+ */
+cache_post_dtouch:
+ dcbt r0, r3
+ addi r3, r3, CFG_CACHELINE_SIZE
+ subic. r4, r4, CFG_CACHELINE_SIZE
+ bgt cache_post_dtouch
+ sync
+ blr
+
+/* void cache_post_iinvalidate (void)
+ */
+cache_post_iinvalidate:
+ iccci r0, r0
+ sync
+ blr
+
+/* void cache_post_memset (void *p, int val, int size)
+ */
+cache_post_memset:
+ mtctr r5
+1:
+ stb r4, 0(r3)
+ addi r3, r3, 1
+ bdnz 1b
+ blr
+
+/* int cache_post_check (void *p, int size)
+ */
+cache_post_check:
+ mtctr r4
+1:
+ lbz r0, 0(r3)
+ addi r3, r3, 1
+ cmpwi r0, 0xff
+ bne 2f
+ bdnz 1b
+ li r3, 0
+ blr
+2:
+ li r3, -1
+ blr
+
+#define CACHE_POST_DISABLE() \
+ mr r3, r10; \
+ bl cache_post_disable
+
+#define CACHE_POST_WT() \
+ mr r3, r10; \
+ bl cache_post_wt
+
+#define CACHE_POST_WB() \
+ mr r3, r10; \
+ bl cache_post_wb
+
+#define CACHE_POST_DINVALIDATE() \
+ mr r3, r11; \
+ mr r4, r12; \
+ bl cache_post_dinvalidate
+
+#define CACHE_POST_DFLUSH() \
+ mr r3, r11; \
+ mr r4, r12; \
+ bl cache_post_dflush
+
+#define CACHE_POST_DSTORE() \
+ mr r3, r11; \
+ mr r4, r12; \
+ bl cache_post_dstore
+
+#define CACHE_POST_DTOUCH() \
+ mr r3, r11; \
+ mr r4, r12; \
+ bl cache_post_dtouch
+
+#define CACHE_POST_IINVALIDATE() \
+ bl cache_post_iinvalidate
+
+#define CACHE_POST_MEMSET(val) \
+ mr r3, r11; \
+ li r4, val; \
+ mr r5, r12; \
+ bl cache_post_memset
+
+#define CACHE_POST_CHECK() \
+ mr r3, r11; \
+ mr r4, r12; \
+ bl cache_post_check; \
+ mr r13, r3
+
+/*
+ * Write and read 0xff pattern with caching enabled.
+ */
+ .global cache_post_test1
+cache_post_test1:
+ mflr r9
+ mr r10, r3 /* tlb */
+ mr r11, r4 /* p */
+ mr r12, r5 /* size */
+
+ CACHE_POST_WB()
+ CACHE_POST_DINVALIDATE()
+
+ /* Write the negative pattern to the test area */
+ CACHE_POST_MEMSET(0xff)
+
+ /* Read the test area */
+ CACHE_POST_CHECK()
+
+ CACHE_POST_DINVALIDATE()
+ CACHE_POST_DISABLE()
+
+ mr r3, r13
+ mtlr r9
+ blr
+
+/*
+ * Write zeroes with caching enabled.
+ * Write 0xff pattern with caching disabled.
+ * Read 0xff pattern with caching enabled.
+ */
+ .global cache_post_test2
+cache_post_test2:
+ mflr r9
+ mr r10, r3 /* tlb */
+ mr r11, r4 /* p */
+ mr r12, r5 /* size */
+
+ CACHE_POST_WB()
+ CACHE_POST_DINVALIDATE()
+
+ /* Write the zero pattern to the test area */
+ CACHE_POST_MEMSET(0)
+
+ CACHE_POST_DINVALIDATE()
+ CACHE_POST_DISABLE()
+
+ /* Write the negative pattern to the test area */
+ CACHE_POST_MEMSET(0xff)
+
+ CACHE_POST_WB()
+
+ /* Read the test area */
+ CACHE_POST_CHECK()
+
+ CACHE_POST_DINVALIDATE()
+ CACHE_POST_DISABLE()
+
+ mr r3, r13
+ mtlr r9
+ blr
+
+/*
+ * Write-through mode test.
+ * Write zeroes, store the cache, write 0xff pattern.
+ * Invalidate the cache.
+ * Check that 0xff pattern is read.
+ */
+ .global cache_post_test3
+cache_post_test3:
+ mflr r9
+ mr r10, r3 /* tlb */
+ mr r11, r4 /* p */
+ mr r12, r5 /* size */
+
+ CACHE_POST_WT()
+ CACHE_POST_DINVALIDATE()
+
+ /* Cache the test area */
+ CACHE_POST_DTOUCH()
+
+ /* Write the zero pattern to the test area */
+ CACHE_POST_MEMSET(0)
+
+ CACHE_POST_DSTORE()
+
+ /* Write the negative pattern to the test area */
+ CACHE_POST_MEMSET(0xff)
+
+ CACHE_POST_DINVALIDATE()
+ CACHE_POST_DISABLE()
+
+ /* Read the test area */
+ CACHE_POST_CHECK()
+
+ mr r3, r13
+ mtlr r9
+ blr
+
+/*
+ * Write-back mode test.
+ * Write 0xff pattern, store the cache, write zeroes.
+ * Invalidate the cache.
+ * Check that 0xff pattern is read.
+ */
+ .global cache_post_test4
+cache_post_test4:
+ mflr r9
+ mr r10, r3 /* tlb */
+ mr r11, r4 /* p */
+ mr r12, r5 /* size */
+
+ CACHE_POST_WB()
+ CACHE_POST_DINVALIDATE()
+
+ /* Cache the test area */
+ CACHE_POST_DTOUCH()
+
+ /* Write the negative pattern to the test area */
+ CACHE_POST_MEMSET(0xff)
+
+ CACHE_POST_DSTORE()
+
+ /* Write the zero pattern to the test area */
+ CACHE_POST_MEMSET(0)
+
+ CACHE_POST_DINVALIDATE()
+ CACHE_POST_DISABLE()
+
+ /* Read the test area */
+ CACHE_POST_CHECK()
+
+ mr r3, r13
+ mtlr r9
+ blr
+
+/*
+ * Load the test instructions into the instruction cache.
+ * Replace the test instructions.
+ * Check that the original instructions are executed.
+ */
+ .global cache_post_test5
+cache_post_test5:
+ mflr r9
+ mr r10, r3 /* tlb */
+ mr r11, r4 /* p */
+ mr r12, r5 /* size */
+
+ CACHE_POST_WT()
+ CACHE_POST_IINVALIDATE()
+
+ /* Compute r13 = cache_post_test_inst */
+ bl cache_post_test5_reloc
+cache_post_test5_reloc:
+ mflr r13
+ lis r0, (cache_post_test_inst - cache_post_test5_reloc)@h
+ ori r0, r0, (cache_post_test_inst - cache_post_test5_reloc)@l
+ add r13, r13, r0
+
+ /* Copy the test instructions to the test area */
+ lwz r0, 0(r13)
+ stw r0, 0(r11)
+ lwz r0, 8(r13)
+ stw r0, 4(r11)
+ sync
+
+ /* Invalidate the cache line */
+ icbi r0, r11
+ sync
+ isync
+
+ /* Execute the test instructions */
+ mtlr r11
+ blrl
+
+ /* Replace the test instruction */
+ lwz r0, 4(r13)
+ stw r0, 0(r11)
+ sync
+
+ /* Do not invalidate the cache line */
+ isync
+
+ /* Execute the test instructions */
+ mtlr r11
+ blrl
+ mr r13, r3
+
+ CACHE_POST_IINVALIDATE()
+ CACHE_POST_DINVALIDATE()
+ CACHE_POST_DISABLE()
+
+ mr r3, r13
+ mtlr r9
+ blr
+
+/*
+ * Load the test instructions into the instruction cache.
+ * Replace the test instructions and invalidate the cache.
+ * Check that the replaced instructions are executed.
+ */
+ .global cache_post_test6
+cache_post_test6:
+ mflr r9
+ mr r10, r3 /* tlb */
+ mr r11, r4 /* p */
+ mr r12, r5 /* size */
+
+ CACHE_POST_WT()
+ CACHE_POST_IINVALIDATE()
+
+ /* Compute r13 = cache_post_test_inst */
+ bl cache_post_test6_reloc
+cache_post_test6_reloc:
+ mflr r13
+ lis r0, (cache_post_test_inst - cache_post_test6_reloc)@h
+ ori r0, r0, (cache_post_test_inst - cache_post_test6_reloc)@l
+ add r13, r13, r0
+
+ /* Copy the test instructions to the test area */
+ lwz r0, 4(r13)
+ stw r0, 0(r11)
+ lwz r0, 8(r13)
+ stw r0, 4(r11)
+ sync
+
+ /* Invalidate the cache line */
+ icbi r0, r11
+ sync
+ isync
+
+ /* Execute the test instructions */
+ mtlr r11
+ blrl
+
+ /* Replace the test instruction */
+ lwz r0, 0(r13)
+ stw r0, 0(r11)
+ sync
+
+ /* Invalidate the cache line */
+ icbi r0, r11
+ sync
+ isync
+
+ /* Execute the test instructions */
+ mtlr r11
+ blrl
+ mr r13, r3
+
+ CACHE_POST_IINVALIDATE()
+ CACHE_POST_DINVALIDATE()
+ CACHE_POST_DISABLE()
+
+ mr r3, r13
+ mtlr r9
+ blr
+
+/* Test instructions.
+ */
+cache_post_test_inst:
+ li r3, 0
+ li r3, -1
+ blr
+
+#endif /* CONFIG_POST & CFG_POST_CACHE */
+#endif /* CONFIG_POST */
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * 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 <common.h>
+
+/*
+ * Ethernet test
+ *
+ * The Ethernet Media Access Controllers (EMAC) are tested in the
+ * internal loopback mode.
+ * The controllers are configured accordingly and several packets
+ * are transmitted. The configurable test parameters are:
+ * MIN_PACKET_LENGTH - minimum size of packet to transmit
+ * MAX_PACKET_LENGTH - maximum size of packet to transmit
+ * TEST_NUM - number of tests
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_ETHER
+
+#include <asm/cache.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <405_mal.h>
+#include <ppc4xx_enet.h>
+#include <malloc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#define SDR0_MFR_ETH_CLK_SEL_V(n) ((0x01<<27) / (n+1))
+#endif
+
+#define MIN_PACKET_LENGTH 64
+#define MAX_PACKET_LENGTH 256
+#define TEST_NUM 1
+
+static volatile mal_desc_t tx __cacheline_aligned;
+static volatile mal_desc_t rx __cacheline_aligned;
+static char *tx_buf;
+static char *rx_buf;
+
+static void ether_post_init (int devnum, int hw_addr)
+{
+ int i;
+ unsigned mode_reg;
+#if defined(CONFIG_440GX) || \
+ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+ defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+ sys_info_t sysinfo;
+#endif
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || defined(CONFIG_440SPE)
+ unsigned long mfr;
+#endif
+
+#if defined(CONFIG_440GX) || \
+ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+ defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+ /* Need to get the OPB frequency so we can access the PHY */
+ get_sys_info (&sysinfo);
+#endif
+
+#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+ /* provide clocks for EMAC internal loopback */
+ mfsdr (sdr_mfr, mfr);
+ mfr |= SDR0_MFR_ETH_CLK_SEL_V(devnum);
+ mtsdr (sdr_mfr, mfr);
+ sync ();
+#endif
+ /* reset emac */
+ out32 (EMAC_M0 + hw_addr, EMAC_M0_SRST);
+ sync ();
+
+ for (i = 0;; i++) {
+ if (!(in32 (EMAC_M0 + hw_addr) & EMAC_M0_SRST))
+ break;
+ if (i >= 1000) {
+ printf ("Timeout resetting EMAC\n");
+ break;
+ }
+ udelay (1000);
+ }
+#if defined(CONFIG_440GX) || \
+ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+ defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+ /* Whack the M1 register */
+ mode_reg = 0x0;
+ if (sysinfo.freqOPB <= 50000000);
+ else if (sysinfo.freqOPB <= 66666667)
+ mode_reg |= EMAC_M1_OBCI_66;
+ else if (sysinfo.freqOPB <= 83333333)
+ mode_reg |= EMAC_M1_OBCI_83;
+ else if (sysinfo.freqOPB <= 100000000)
+ mode_reg |= EMAC_M1_OBCI_100;
+ else
+ mode_reg |= EMAC_M1_OBCI_GT100;
+
+ out32 (EMAC_M1 + hw_addr, mode_reg);
+
+#endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */
+
+ /* set the Mal configuration reg */
+#if defined(CONFIG_440GX) || \
+ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+ defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+ mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA |
+ MAL_CR_PLBLT_DEFAULT | 0x00330000);
+#else
+ mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
+ /* Errata 1.12: MAL_1 -- Disable MAL bursting */
+ if (get_pvr() == PVR_440GP_RB) {
+ mtdcr (malmcr, mfdcr(malmcr) & ~MAL_CR_PLBB);
+ }
+#endif
+ /* setup buffer descriptors */
+ tx.ctrl = MAL_TX_CTRL_WRAP;
+ tx.data_len = 0;
+ tx.data_ptr = (char*)L1_CACHE_ALIGN((u32)tx_buf);
+
+ rx.ctrl = MAL_TX_CTRL_WRAP | MAL_RX_CTRL_EMPTY;
+ rx.data_len = 0;
+ rx.data_ptr = (char*)L1_CACHE_ALIGN((u32)rx_buf);
+
+ switch (devnum) {
+ case 1:
+ /* setup MAL tx & rx channel pointers */
+#if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR)
+ mtdcr (maltxctp2r, &tx);
+#else
+ mtdcr (maltxctp1r, &tx);
+#endif
+#if defined(CONFIG_440)
+ mtdcr (maltxbattr, 0x0);
+ mtdcr (malrxbattr, 0x0);
+#endif
+ mtdcr (malrxctp1r, &rx);
+ /* set RX buffer size */
+ mtdcr (malrcbs1, PKTSIZE_ALIGN / 16);
+ break;
+ case 0:
+ default:
+ /* setup MAL tx & rx channel pointers */
+#if defined(CONFIG_440)
+ mtdcr (maltxbattr, 0x0);
+ mtdcr (malrxbattr, 0x0);
+#endif
+ mtdcr (maltxctp0r, &tx);
+ mtdcr (malrxctp0r, &rx);
+ /* set RX buffer size */
+ mtdcr (malrcbs0, PKTSIZE_ALIGN / 16);
+ break;
+ }
+
+ /* Enable MAL transmit and receive channels */
+#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
+ mtdcr (maltxcasr, (MAL_TXRX_CASR >> (devnum*2)));
+#else
+ mtdcr (maltxcasr, (MAL_TXRX_CASR >> devnum));
+#endif
+ mtdcr (malrxcasr, (MAL_TXRX_CASR >> devnum));
+
+ /* set internal loopback mode */
+ out32 (EMAC_M1 + hw_addr, EMAC_M1_FDE | EMAC_M1_ILE |
+ EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K |
+ EMAC_M1_MF_100MBPS | EMAC_M1_IST |
+ in32 (EMAC_M1));
+
+ /* set transmit enable & receive enable */
+ out32 (EMAC_M0 + hw_addr, EMAC_M0_TXE | EMAC_M0_RXE);
+
+ /* enable broadcast address */
+ out32 (EMAC_RXM + hw_addr, EMAC_RMR_BAE);
+
+ /* set transmit request threshold register */
+ out32 (EMAC_TRTR + hw_addr, 0x18000000); /* 256 byte threshold */
+
+ /* set receive low/high water mark register */
+#if defined(CONFIG_440)
+ /* 440s has a 64 byte burst length */
+ out32 (EMAC_RX_HI_LO_WMARK + hw_addr, 0x80009000);
+#else
+ /* 405s have a 16 byte burst length */
+ out32 (EMAC_RX_HI_LO_WMARK + hw_addr, 0x0f002000);
+#endif /* defined(CONFIG_440) */
+ out32 (EMAC_TXM1 + hw_addr, 0xf8640000);
+
+ /* Set fifo limit entry in tx mode 0 */
+ out32 (EMAC_TXM0 + hw_addr, 0x00000003);
+ /* Frame gap set */
+ out32 (EMAC_I_FRAME_GAP_REG + hw_addr, 0x00000008);
+ sync ();
+}
+
+static void ether_post_halt (int devnum, int hw_addr)
+{
+ int i = 0;
+#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+ unsigned long mfr;
+#endif
+
+ /* 1st reset MAL channel */
+ /* Note: writing a 0 to a channel has no effect */
+#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
+ mtdcr (maltxcarr, MAL_TXRX_CASR >> (devnum * 2));
+#else
+ mtdcr (maltxcarr, MAL_TXRX_CASR >> devnum);
+#endif
+ mtdcr (malrxcarr, MAL_TXRX_CASR >> devnum);
+
+ /* wait for reset */
+ while (mfdcr (malrxcasr) & (MAL_TXRX_CASR >> devnum)) {
+ if (i++ >= 1000)
+ break;
+ udelay (1000);
+ }
+ /* emac reset */
+ out32 (EMAC_M0 + hw_addr, EMAC_M0_SRST);
+
+#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+ /* remove clocks for EMAC internal loopback */
+ mfsdr (sdr_mfr, mfr);
+ mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(devnum);
+ mtsdr (sdr_mfr, mfr);
+#endif
+}
+
+static void ether_post_send (int devnum, int hw_addr, void *packet, int length)
+{
+ int i = 0;
+
+ while (tx.ctrl & MAL_TX_CTRL_READY) {
+ if (i++ > 100) {
+ printf ("TX timeout\n");
+ return;
+ }
+ udelay (1000);
+ }
+ tx.ctrl = MAL_TX_CTRL_READY | MAL_TX_CTRL_WRAP | MAL_TX_CTRL_LAST |
+ EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP;
+ tx.data_len = length;
+ memcpy (tx.data_ptr, packet, length);
+ sync ();
+
+ out32 (EMAC_TXM0 + hw_addr, in32 (EMAC_TXM0 + hw_addr) | EMAC_TXM0_GNP0);
+ sync ();
+}
+
+static int ether_post_recv (int devnum, int hw_addr, void *packet, int max_length)
+{
+ int length;
+ int i = 0;
+
+ while (rx.ctrl & MAL_RX_CTRL_EMPTY) {
+ if (i++ > 100) {
+ printf ("RX timeout\n");
+ return 0;
+ }
+ udelay (1000);
+ }
+ length = rx.data_len - 4;
+ if (length <= max_length)
+ memcpy(packet, rx.data_ptr, length);
+ sync ();
+
+ rx.ctrl |= MAL_RX_CTRL_EMPTY;
+ sync ();
+
+ return length;
+}
+
+ /*
+ * Test routines
+ */
+
+static void packet_fill (char *packet, int length)
+{
+ char c = (char) length;
+ int i;
+
+ /* set up ethernet header */
+ memset (packet, 0xff, 14);
+
+ for (i = 14; i < length; i++) {
+ packet[i] = c++;
+ }
+}
+
+static int packet_check (char *packet, int length)
+{
+ char c = (char) length;
+ int i;
+
+ for (i = 14; i < length; i++) {
+ if (packet[i] != c++)
+ return -1;
+ }
+
+ return 0;
+}
+
+static int test_ctlr (int devnum, int hw_addr)
+{
+ int res = -1;
+ char packet_send[MAX_PACKET_LENGTH];
+ char packet_recv[MAX_PACKET_LENGTH];
+ int length;
+ int i;
+ int l;
+
+ ether_post_init (devnum, hw_addr);
+
+ for (i = 0; i < TEST_NUM; i++) {
+ for (l = MIN_PACKET_LENGTH; l <= MAX_PACKET_LENGTH; l++) {
+ packet_fill (packet_send, l);
+
+ ether_post_send (devnum, hw_addr, packet_send, l);
+
+ length = ether_post_recv (devnum, hw_addr, packet_recv,
+ sizeof (packet_recv));
+
+ if (length != l || packet_check (packet_recv, length) < 0) {
+ goto Done;
+ }
+ }
+ }
+
+ res = 0;
+
+Done:
+
+ ether_post_halt (devnum, hw_addr);
+
+ if (res != 0) {
+ post_log ("EMAC%d test failed\n", devnum);
+ }
+
+ return res;
+}
+
+int ether_post_test (int flags)
+{
+ int res = 0;
+
+ /* Allocate tx & rx packet buffers */
+ tx_buf = malloc (PKTSIZE_ALIGN + CFG_CACHELINE_SIZE);
+ rx_buf = malloc (PKTSIZE_ALIGN + CFG_CACHELINE_SIZE);
+
+ if (!tx_buf || !rx_buf) {
+ printf ("Failed to allocate packet buffers\n");
+ res = -1;
+ goto out_free;
+ }
+
+ /* EMAC0 */
+ if (test_ctlr (0, 0))
+ res = -1;
+
+ /* EMAC1 */
+ if (test_ctlr (1, 0x100))
+ res = -1;
+
+out_free:
+ free (tx_buf);
+ free (rx_buf);
+
+ return res;
+}
+
+#endif /* CONFIG_POST & CFG_POST_ETHER */
+#endif /* CONFIG_POST */
/*
- * Copyright (C) 2007 Wolfgang Denk <wd@denx.de>
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Sergei Poselenov <sposelenov@emcraft.com>
*
* See file CREDITS for list of people who contributed to this
* project.
{
if (mfspr(ccr0) & CCR0_DAPUIB)
return 0; /* Disabled */
- else
+ else
return 1; /* Enabled */
}
mtspr(ccr0, mfspr(ccr0) & ~CCR0_DAPUIB);
mtmsr(mfmsr() | MSR_FP);
}
+
#endif
-#endif
+#endif /* CONFIG_POST */
* (C) Copyright 2007
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
#if CONFIG_POST & CFG_POST_SPR
+#include <asm/processor.h>
+
static struct
{
int number;
{0x113, "SPRG3", 0x00000000, 0x00000000},
{0x11f, "PVR", 0x00000000, 0x00000000},
- /* Additional Special-Purpose Registers */
-
+ /* Additional Special-Purpose Registers.
+ * The values must match the initialization
+ * values from cpu/ppc4xx/start.S
+ */
{0x30, "PID", 0x00000000, 0x00000000},
{0x3a, "CSRR0", 0x00000000, 0x00000000},
{0x3b, "CSRR1", 0x00000000, 0x00000000},
{0x13f, "DVC2", 0x00000000, 0x00000000},
{0x150, "TSR", 0x00000000, 0x00000000},
{0x154, "TCR", 0x00000000, 0x00000000},
- {0x190, "IVOR0", 0x00000000, 0x00000000},
- {0x191, "IVOR1", 0x00000000, 0x00000000},
- {0x192, "IVOR2", 0x00000000, 0x00000000},
- {0x193, "IVOR3", 0x00000000, 0x00000000},
- {0x194, "IVOR4", 0x00000000, 0x00000000},
- {0x195, "IVOR5", 0x00000000, 0x00000000},
- {0x196, "IVOR6", 0x00000000, 0x00000000},
- {0x197, "IVOR7", 0x00000000, 0x00000000},
- {0x198, "IVOR8", 0x00000000, 0x00000000},
+ {0x190, "IVOR0", 0x0000fff0, 0x00000100},
+ {0x191, "IVOR1", 0x0000fff0, 0x00000200},
+ {0x192, "IVOR2", 0x0000fff0, 0x00000300},
+ {0x193, "IVOR3", 0x0000fff0, 0x00000400},
+ {0x194, "IVOR4", 0x0000fff0, 0x00000500},
+ {0x195, "IVOR5", 0x0000fff0, 0x00000600},
+ {0x196, "IVOR6", 0x0000fff0, 0x00000700},
+ {0x197, "IVOR7", 0x0000fff0, 0x00000800},
+ {0x198, "IVOR8", 0x0000fff0, 0x00000c00},
{0x199, "IVOR9", 0x00000000, 0x00000000},
- {0x19a, "IVOR10", 0x00000000, 0x00000000},
+ {0x19a, "IVOR10", 0x0000fff0, 0x00000900},
{0x19b, "IVOR11", 0x00000000, 0x00000000},
{0x19c, "IVOR12", 0x00000000, 0x00000000},
- {0x19d, "IVOR13", 0x00000000, 0x00000000},
- {0x19e, "IVOR14", 0x00000000, 0x00000000},
- {0x19f, "IVOR15", 0x00000000, 0x00000000},
+ {0x19d, "IVOR13", 0x0000fff0, 0x00001300},
+ {0x19e, "IVOR14", 0x0000fff0, 0x00001400},
+ {0x19f, "IVOR15", 0x0000fff0, 0x00002000},
{0x23a, "MCSRR0", 0x00000000, 0x00000000},
{0x23b, "MCSRR1", 0x00000000, 0x00000000},
{0x23c, "MCSR", 0x00000000, 0x00000000},
{0x395, "DTV1", 0x00000000, 0x00000000},
{0x396, "DTV2", 0x00000000, 0x00000000},
{0x397, "DTV3", 0x00000000, 0x00000000},
- {0x398, "DVLIM", 0x00000000, 0x00000000},
- {0x399, "IVLIM", 0x00000000, 0x00000000},
+ {0x398, "DVLIM", 0x0fc1f83f, 0x0001f800},
+ {0x399, "IVLIM", 0x0fc1f83f, 0x0001f800},
{0x39b, "RSTCFG", 0x00000000, 0x00000000},
{0x39c, "DCDBTRL", 0x00000000, 0x00000000},
{0x39d, "DCDBTRH", 0x00000000, 0x00000000},
return ret;
}
+
#endif /* CONFIG_POST & CFG_POST_SPR */
#endif /* CONFIG_POST */
* (C) Copyright 2007
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
}
#endif /* CONFIG_POST & CFG_POST_UART */
-
#endif /* CONFIG_POST */
* (C) Copyright 2007
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
#ifdef CONFIG_POST
#include <post.h>
-#include <watchdog.h>
#if CONFIG_POST & CFG_POST_WATCHDOG
+#include <watchdog.h>
+
int watchdog_post_test (int flags)
{
if (flags & POST_REBOOT) {
/* Test passed */
-
return 0;
- } else {
+ }
+ else {
/* 10-second delay */
int ints = disable_interrupts ();
ulong base = post_time_ms (0);
LIB = libpostdrivers.a
-COBJS = cache.o i2c.o memory.o rtc.o
+COBJS = i2c.o memory.o rtc.o
include $(TOPDIR)/post/rules.mk
# MA 02111-1307 USA
#
+SUBDIRS = fpu
LIB = libpostppc.a
--- /dev/null
+/*
+ * Copyright (C) 2007
+ * 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
+ */
+/*
+ * This file is originally a part of the GCC testsuite.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+int fpu_post_test_math1 (void)
+{
+ volatile double a, *p;
+ double c, d;
+ volatile double b;
+
+ d = 1.0;
+ p = &b;
+
+ do
+ {
+ c = d;
+ d = c * 0.5;
+ b = 1 + d;
+ } while (b != 1.0);
+
+ a = 1.0 + c;
+
+ if (a == 1.0) {
+ post_log ("Error in FPU math1 test\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
--- /dev/null
+/*
+ * Copyright (C) 2007
+ * 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
+ */
+/*
+ * This file is originally a part of the GCC testsuite.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+static float rintf (float x)
+{
+ volatile float TWO23 = 8388608.0;
+
+ if (__builtin_fabs (x) < TWO23)
+ {
+ if (x > 0.0)
+ {
+ x += TWO23;
+ x -= TWO23;
+ }
+ else if (x < 0.0)
+ {
+ x = TWO23 - x;
+ x = -(x - TWO23);
+ }
+ }
+
+ return x;
+}
+
+int fpu_post_test_math2 (void)
+{
+ if (rintf (-1.5) != -2.0) {
+ post_log ("Error in FPU math2 test\n");
+ return -1;
+ }
+ return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
--- /dev/null
+/*
+ * Copyright (C) 2007
+ * 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
+ */
+/*
+ * This file is originally a part of the GCC testsuite.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+int fpu_post_test_math3 (void)
+{
+ volatile long double dfrom = 1.1;
+ volatile long double m1;
+ volatile long double m2;
+ volatile unsigned long mant_long;
+
+ m1 = dfrom / 2.0;
+ m2 = m1 * 4294967296.0;
+ mant_long = ((unsigned long) m2) & 0xffffffff;
+
+ if (mant_long != 0x8ccccccc) {
+ post_log ("Error in FPU math3 test\n");
+ return -1;
+ }
+ return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
--- /dev/null
+/*
+ * Copyright (C) 2007
+ * 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
+ */
+/*
+ * This file is originally a part of the GCC testsuite.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+int fpu_post_test_math4 (void)
+{
+ volatile float reale = 1.0f;
+ volatile float oneplus;
+ int i;
+
+ if (sizeof (float) != 4)
+ return 0;
+
+ for (i = 0; ; i++)
+ {
+ oneplus = 1.0f + reale;
+ if (oneplus == 1.0f)
+ break;
+ reale = reale / 2.0f;
+ }
+ /* Assumes ieee754 accurate arithmetic above. */
+ if (i != 24) {
+ post_log ("Error in FPU math4 test\n");
+ return -1;
+ }
+ return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
--- /dev/null
+#
+# (C) Copyright 2007
+# 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
+#
+
+
+LIB = libpostppcfpu.a
+
+COBJS += fpu.o 20001122-1.o 20010114-2.o 20010226-1.o 980619-1.o
+COBJS += acc1.o compare-fp-1.o mul-subnormal-single-1.o
+
+include $(TOPDIR)/post/rules.mk
+
+CFLAGS += -mhard-float -fkeep-inline-functions
--- /dev/null
+/*
+ * Copyright (C) 2007
+ * 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
+ */
+/*
+ * This file is originally a part of the GCC testsuite.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+static double func (const double *array)
+{
+ double d = *array;
+
+ if (d == 0.0)
+ return d;
+ else
+ return d + func (array + 1);
+}
+
+int fpu_post_test_math5 (void)
+{
+ double values[] = { 0.1e-100, 1.0, -1.0, 0.0 };
+
+ if (func (values) != 0.1e-100) {
+ post_log ("Error in FPU math5 test\n");
+ return -1;
+ }
+ return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
--- /dev/null
+/*
+ * Copyright (C) 2007
+ * 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
+ */
+/*
+ * Test for correctness of composite floating-point comparisons.
+ * Written by Paolo Bonzini, 26th May 2004.
+ * This file is originally a part of the GCC testsuite.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+static int failed;
+
+#define TEST(c) if ((c) != ok) failed++
+#define ORD(a, b) (!__builtin_isunordered ((a), (b)))
+#define UNORD(a, b) (__builtin_isunordered ((a), (b)))
+#define UNEQ(a, b) (__builtin_isunordered ((a), (b)) || ((a) == (b)))
+#define UNLT(a, b) (__builtin_isunordered ((a), (b)) || ((a) < (b)))
+#define UNLE(a, b) (__builtin_isunordered ((a), (b)) || ((a) <= (b)))
+#define UNGT(a, b) (__builtin_isunordered ((a), (b)) || ((a) > (b)))
+#define UNGE(a, b) (__builtin_isunordered ((a), (b)) || ((a) >= (b)))
+#define LTGT(a, b) (__builtin_islessgreater ((a), (b)))
+
+static float pinf;
+static float ninf;
+static float NaN;
+
+static void iuneq (float x, float y, int ok)
+{
+ TEST (UNEQ (x, y));
+ TEST (!LTGT (x, y));
+ TEST (UNLE (x, y) && UNGE (x,y));
+}
+
+static void ieq (float x, float y, int ok)
+{
+ TEST (ORD (x, y) && UNEQ (x, y));
+}
+
+static void iltgt (float x, float y, int ok)
+{
+ TEST (!UNEQ (x, y)); /* Not optimizable. */
+ TEST (LTGT (x, y)); /* Same, __builtin_islessgreater does not trap. */
+ TEST (ORD (x, y) && (UNLT (x, y) || UNGT (x,y)));
+}
+
+static void ine (float x, float y, int ok)
+{
+ TEST (UNLT (x, y) || UNGT (x, y));
+}
+
+static void iunlt (float x, float y, int ok)
+{
+ TEST (UNLT (x, y));
+ TEST (UNORD (x, y) || (x < y));
+}
+
+static void ilt (float x, float y, int ok)
+{
+ TEST (ORD (x, y) && UNLT (x, y)); /* Not optimized */
+ TEST ((x <= y) && (x != y));
+ TEST ((x <= y) && (y != x));
+ TEST ((x != y) && (x <= y)); /* Not optimized */
+ TEST ((y != x) && (x <= y)); /* Not optimized */
+}
+
+static void iunle (float x, float y, int ok)
+{
+ TEST (UNLE (x, y));
+ TEST (UNORD (x, y) || (x <= y));
+}
+
+static void ile (float x, float y, int ok)
+{
+ TEST (ORD (x, y) && UNLE (x, y)); /* Not optimized */
+ TEST ((x < y) || (x == y));
+ TEST ((y > x) || (x == y));
+ TEST ((x == y) || (x < y)); /* Not optimized */
+ TEST ((y == x) || (x < y)); /* Not optimized */
+}
+
+static void iungt (float x, float y, int ok)
+{
+ TEST (UNGT (x, y));
+ TEST (UNORD (x, y) || (x > y));
+}
+
+static void igt (float x, float y, int ok)
+{
+ TEST (ORD (x, y) && UNGT (x, y)); /* Not optimized */
+ TEST ((x >= y) && (x != y));
+ TEST ((x >= y) && (y != x));
+ TEST ((x != y) && (x >= y)); /* Not optimized */
+ TEST ((y != x) && (x >= y)); /* Not optimized */
+}
+
+static void iunge (float x, float y, int ok)
+{
+ TEST (UNGE (x, y));
+ TEST (UNORD (x, y) || (x >= y));
+}
+
+static void ige (float x, float y, int ok)
+{
+ TEST (ORD (x, y) && UNGE (x, y)); /* Not optimized */
+ TEST ((x > y) || (x == y));
+ TEST ((y < x) || (x == y));
+ TEST ((x == y) || (x > y)); /* Not optimized */
+ TEST ((y == x) || (x > y)); /* Not optimized */
+}
+
+int fpu_post_test_math6 (void)
+{
+ pinf = __builtin_inf ();
+ ninf = -__builtin_inf ();
+ NaN = __builtin_nan ("");
+
+ iuneq (ninf, pinf, 0);
+ iuneq (NaN, NaN, 1);
+ iuneq (pinf, ninf, 0);
+ iuneq (1, 4, 0);
+ iuneq (3, 3, 1);
+ iuneq (5, 2, 0);
+
+ ieq (1, 4, 0);
+ ieq (3, 3, 1);
+ ieq (5, 2, 0);
+
+ iltgt (ninf, pinf, 1);
+ iltgt (NaN, NaN, 0);
+ iltgt (pinf, ninf, 1);
+ iltgt (1, 4, 1);
+ iltgt (3, 3, 0);
+ iltgt (5, 2, 1);
+
+ ine (1, 4, 1);
+ ine (3, 3, 0);
+ ine (5, 2, 1);
+
+ iunlt (NaN, ninf, 1);
+ iunlt (pinf, NaN, 1);
+ iunlt (pinf, ninf, 0);
+ iunlt (pinf, pinf, 0);
+ iunlt (ninf, ninf, 0);
+ iunlt (1, 4, 1);
+ iunlt (3, 3, 0);
+ iunlt (5, 2, 0);
+
+ ilt (1, 4, 1);
+ ilt (3, 3, 0);
+ ilt (5, 2, 0);
+
+ iunle (NaN, ninf, 1);
+ iunle (pinf, NaN, 1);
+ iunle (pinf, ninf, 0);
+ iunle (pinf, pinf, 1);
+ iunle (ninf, ninf, 1);
+ iunle (1, 4, 1);
+ iunle (3, 3, 1);
+ iunle (5, 2, 0);
+
+ ile (1, 4, 1);
+ ile (3, 3, 1);
+ ile (5, 2, 0);
+
+ iungt (NaN, ninf, 1);
+ iungt (pinf, NaN, 1);
+ iungt (pinf, ninf, 1);
+ iungt (pinf, pinf, 0);
+ iungt (ninf, ninf, 0);
+ iungt (1, 4, 0);
+ iungt (3, 3, 0);
+ iungt (5, 2, 1);
+
+ igt (1, 4, 0);
+ igt (3, 3, 0);
+ igt (5, 2, 1);
+
+ iunge (NaN, ninf, 1);
+ iunge (pinf, NaN, 1);
+ iunge (ninf, pinf, 0);
+ iunge (pinf, pinf, 1);
+ iunge (ninf, ninf, 1);
+ iunge (1, 4, 0);
+ iunge (3, 3, 1);
+ iunge (5, 2, 1);
+
+ ige (1, 4, 0);
+ ige (3, 3, 1);
+ ige (5, 2, 1);
+
+ if (failed) {
+ post_log ("Error in FPU math6 test\n");
+ return -1;
+ }
+ return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
--- /dev/null
+/*
+ * Copyright (C) 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Sergei Poselenov <sposelenov@emcraft.com>
+ *
+ * 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 <common.h>
+
+/*
+ * FPU test
+ *
+ * This test checks the arithmetic logic unit (ALU) of CPU.
+ * It tests independently various groups of instructions using
+ * run-time modification of the code to reduce the memory footprint.
+ * For more details refer to post/cpu/ *.c files.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+#include <watchdog.h>
+
+extern int fpu_status (void);
+extern void fpu_enable (void);
+extern void fpu_disable (void);
+
+extern int fpu_post_test_math1 (void);
+extern int fpu_post_test_math2 (void);
+extern int fpu_post_test_math3 (void);
+extern int fpu_post_test_math4 (void);
+extern int fpu_post_test_math5 (void);
+extern int fpu_post_test_math6 (void);
+extern int fpu_post_test_math7 (void);
+
+int fpu_post_test (int flags)
+{
+ int fpu = fpu_status ();
+
+ int ret = 0;
+
+ WATCHDOG_RESET ();
+
+ if (!fpu)
+ fpu_enable ();
+
+ if (ret == 0)
+ ret = fpu_post_test_math1 ();
+ if (ret == 0)
+ ret = fpu_post_test_math2 ();
+ if (ret == 0)
+ ret = fpu_post_test_math3 ();
+ if (ret == 0)
+ ret = fpu_post_test_math4 ();
+ if (ret == 0)
+ ret = fpu_post_test_math5 ();
+ if (ret == 0)
+ ret = fpu_post_test_math6 ();
+ if (ret == 0)
+ ret = fpu_post_test_math7 ();
+
+ if (!fpu)
+ fpu_disable ();
+
+ WATCHDOG_RESET ();
+
+ return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
--- /dev/null
+/*
+ * Copyright (C) 2007
+ * 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
+ */
+/*
+ * This file is originally a part of the GCC testsuite.
+ * Check that certain subnormal numbers (formerly known as denormalized
+ * numbers) are rounded to within 0.5 ulp. PR other/14354.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+union uf
+{
+ unsigned int u;
+ float f;
+};
+
+static float
+u2f (unsigned int v)
+{
+ union uf u;
+ u.u = v;
+ return u.f;
+}
+
+static unsigned int
+f2u (float v)
+{
+ union uf u;
+ u.f = v;
+ return u.u;
+}
+
+static int ok = 1;
+
+static void
+tstmul (unsigned int ux, unsigned int uy, unsigned int ur)
+{
+ float x = u2f (ux);
+ float y = u2f (uy);
+
+ if (f2u (x * y) != ur)
+ /* Set a variable rather than aborting here, to simplify tracing when
+ several computations are wrong. */
+ ok = 0;
+}
+
+/* We don't want to make this const and static, or else we risk inlining
+ causing the test to fold as constants at compile-time. */
+struct
+{
+ unsigned int p1, p2, res;
+} static volatile expected[] =
+{
+ {0xfff, 0x3f800400, 0xfff},
+ {0xf, 0x3fc88888, 0x17},
+ {0xf, 0x3f844444, 0xf}
+};
+
+int fpu_post_test_math7 (void)
+{
+ unsigned int i;
+
+ for (i = 0; i < sizeof (expected) / sizeof (expected[0]); i++)
+ {
+ tstmul (expected[i].p1, expected[i].p2, expected[i].res);
+ tstmul (expected[i].p2, expected[i].p1, expected[i].res);
+ }
+
+ if (!ok) {
+ post_log ("Error in FPU math7 test\n");
+ return -1;
+ }
+ return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
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