diff options
Diffstat (limited to 'post/cpu/ppc4xx/spr.c')
-rw-r--r-- | post/cpu/ppc4xx/spr.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/post/cpu/ppc4xx/spr.c b/post/cpu/ppc4xx/spr.c deleted file mode 100644 index 9a3cdb3cf8..0000000000 --- a/post/cpu/ppc4xx/spr.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * (C) Copyright 2007 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Author: Igor Lisitsin <igor@emcraft.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -/* - * SPR test - * - * The test checks the contents of Special Purpose Registers (SPR) listed - * in the spr_test_list array below. - * Each SPR value is read using mfspr instruction, some bits are masked - * according to the table and the resulting value is compared to the - * corresponding table value. - */ - -#include <post.h> - -#if CONFIG_POST & CONFIG_SYS_POST_SPR - -#include <asm/processor.h> - -#ifdef CONFIG_4xx_DCACHE -#include <asm/mmu.h> - -DECLARE_GLOBAL_DATA_PTR; -#endif - -static struct { - int number; - char * name; - unsigned long mask; - unsigned long value; -} spr_test_list [] = { - /* Standard Special-Purpose Registers */ - - {0x001, "XER", 0x00000000, 0x00000000}, - {0x008, "LR", 0x00000000, 0x00000000}, - {0x009, "CTR", 0x00000000, 0x00000000}, - {0x016, "DEC", 0x00000000, 0x00000000}, - {0x01a, "SRR0", 0x00000000, 0x00000000}, - {0x01b, "SRR1", 0x00000000, 0x00000000}, - {0x110, "SPRG0", 0x00000000, 0x00000000}, - {0x111, "SPRG1", 0x00000000, 0x00000000}, - {0x112, "SPRG2", 0x00000000, 0x00000000}, - {0x113, "SPRG3", 0x00000000, 0x00000000}, - {0x11f, "PVR", 0x00000000, 0x00000000}, - - /* Additional Special-Purpose Registers. - * The values must match the initialization - * values from arch/powerpc/cpu/ppc4xx/start.S - */ - {0x30, "PID", 0x00000000, 0x00000000}, - {0x3a, "CSRR0", 0x00000000, 0x00000000}, - {0x3b, "CSRR1", 0x00000000, 0x00000000}, - {0x3d, "DEAR", 0x00000000, 0x00000000}, - {0x3e, "ESR", 0x00000000, 0x00000000}, -#ifdef CONFIG_440 - {0x3f, "IVPR", 0xffff0000, 0x00000000}, -#endif - {0x100, "USPRG0", 0x00000000, 0x00000000}, - {0x104, "SPRG4", 0x00000000, 0x00000000}, - {0x105, "SPRG5", 0x00000000, 0x00000000}, - {0x106, "SPRG6", 0x00000000, 0x00000000}, - {0x107, "SPRG7", 0x00000000, 0x00000000}, - {0x10c, "TBL", 0x00000000, 0x00000000}, - {0x10d, "TBU", 0x00000000, 0x00000000}, -#ifdef CONFIG_440 - {0x11e, "PIR", 0x0000000f, 0x00000000}, -#endif - {0x130, "DBSR", 0x00000000, 0x00000000}, - {0x134, "DBCR0", 0x00000000, 0x00000000}, - {0x135, "DBCR1", 0x00000000, 0x00000000}, - {0x136, "DBCR2", 0x00000000, 0x00000000}, - {0x138, "IAC1", 0x00000000, 0x00000000}, - {0x139, "IAC2", 0x00000000, 0x00000000}, - {0x13a, "IAC3", 0x00000000, 0x00000000}, - {0x13b, "IAC4", 0x00000000, 0x00000000}, - {0x13c, "DAC1", 0x00000000, 0x00000000}, - {0x13d, "DAC2", 0x00000000, 0x00000000}, - {0x13e, "DVC1", 0x00000000, 0x00000000}, - {0x13f, "DVC2", 0x00000000, 0x00000000}, - {0x150, "TSR", 0x00000000, 0x00000000}, - {0x154, "TCR", 0x00000000, 0x00000000}, -#ifdef CONFIG_440 - {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", 0x0000fff0, 0x00000900}, - {0x19b, "IVOR11", 0x00000000, 0x00000000}, - {0x19c, "IVOR12", 0x00000000, 0x00000000}, - {0x19d, "IVOR13", 0x0000fff0, 0x00001300}, - {0x19e, "IVOR14", 0x0000fff0, 0x00001400}, - {0x19f, "IVOR15", 0x0000fff0, 0x00002000}, -#endif - {0x23a, "MCSRR0", 0x00000000, 0x00000000}, - {0x23b, "MCSRR1", 0x00000000, 0x00000000}, - {0x23c, "MCSR", 0x00000000, 0x00000000}, - {0x370, "INV0", 0x00000000, 0x00000000}, - {0x371, "INV1", 0x00000000, 0x00000000}, - {0x372, "INV2", 0x00000000, 0x00000000}, - {0x373, "INV3", 0x00000000, 0x00000000}, - {0x374, "ITV0", 0x00000000, 0x00000000}, - {0x375, "ITV1", 0x00000000, 0x00000000}, - {0x376, "ITV2", 0x00000000, 0x00000000}, - {0x377, "ITV3", 0x00000000, 0x00000000}, - {0x378, "CCR1", 0x00000000, 0x00000000}, - {0x390, "DNV0", 0x00000000, 0x00000000}, - {0x391, "DNV1", 0x00000000, 0x00000000}, - {0x392, "DNV2", 0x00000000, 0x00000000}, - {0x393, "DNV3", 0x00000000, 0x00000000}, - {0x394, "DTV0", 0x00000000, 0x00000000}, - {0x395, "DTV1", 0x00000000, 0x00000000}, - {0x396, "DTV2", 0x00000000, 0x00000000}, - {0x397, "DTV3", 0x00000000, 0x00000000}, -#ifdef CONFIG_440 - {0x398, "DVLIM", 0x0fc1f83f, 0x0001f800}, - {0x399, "IVLIM", 0x0fc1f83f, 0x0001f800}, -#endif - {0x39b, "RSTCFG", 0x00000000, 0x00000000}, - {0x39c, "DCDBTRL", 0x00000000, 0x00000000}, - {0x39d, "DCDBTRH", 0x00000000, 0x00000000}, - {0x39e, "ICDBTRL", 0x00000000, 0x00000000}, - {0x39f, "ICDBTRH", 0x00000000, 0x00000000}, - {0x3b2, "MMUCR", 0x00000000, 0x00000000}, - {0x3b3, "CCR0", 0x00000000, 0x00000000}, - {0x3d3, "ICDBDR", 0x00000000, 0x00000000}, - {0x3f3, "DBDR", 0x00000000, 0x00000000}, -}; - -static int spr_test_list_size = ARRAY_SIZE(spr_test_list); - -int spr_post_test (int flags) -{ - int ret = 0; - int i; - - unsigned long code[] = { - 0x7c6002a6, /* mfspr r3,SPR */ - 0x4e800020 /* blr */ - }; - unsigned long (*get_spr) (void) = (void *) code; - -#ifdef CONFIG_4xx_DCACHE - /* disable cache */ - change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE); -#endif - for (i = 0; i < spr_test_list_size; i++) { - int num = spr_test_list[i].number; - - /* mfspr r3,num */ - code[0] = 0x7c6002a6 | ((num & 0x1F) << 16) | ((num & 0x3E0) << 6); - - asm volatile ("isync"); - - if ((get_spr () & spr_test_list[i].mask) != - (spr_test_list[i].value & spr_test_list[i].mask)) { - post_log ("The value of %s special register " - "is incorrect: 0x%08X\n", - spr_test_list[i].name, get_spr ()); - ret = -1; - } - } -#ifdef CONFIG_4xx_DCACHE - /* enable cache */ - change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0); -#endif - - return ret; -} - -#endif /* CONFIG_POST & CONFIG_SYS_POST_SPR */ |