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Diffstat (limited to 'post/spr.c')
-rw-r--r-- | post/spr.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/post/spr.c b/post/spr.c deleted file mode 100644 index 330b977..0000000 --- a/post/spr.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * (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 - */ - -#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. - */ - -#ifdef CONFIG_POST - -#include <post.h> - -#if CONFIG_POST & CFG_POST_SPR - -static struct -{ - int number; - char * name; - unsigned long mask; - unsigned long value; -} spr_test_list [] = { - /* Standard Special-Purpose Registers */ - - {1, "XER", 0x00000000, 0x00000000}, - {8, "LR", 0x00000000, 0x00000000}, - {9, "CTR", 0x00000000, 0x00000000}, - {18, "DSISR", 0x00000000, 0x00000000}, - {19, "DAR", 0x00000000, 0x00000000}, - {22, "DEC", 0x00000000, 0x00000000}, - {26, "SRR0", 0x00000000, 0x00000000}, - {27, "SRR1", 0x00000000, 0x00000000}, - {272, "SPRG0", 0x00000000, 0x00000000}, - {273, "SPRG1", 0x00000000, 0x00000000}, - {274, "SPRG2", 0x00000000, 0x00000000}, - {275, "SPRG3", 0x00000000, 0x00000000}, - {287, "PVR", 0xFFFF0000, 0x00500000}, - - /* Additional Special-Purpose Registers */ - - {144, "CMPA", 0x00000000, 0x00000000}, - {145, "CMPB", 0x00000000, 0x00000000}, - {146, "CMPC", 0x00000000, 0x00000000}, - {147, "CMPD", 0x00000000, 0x00000000}, - {148, "ICR", 0xFFFFFFFF, 0x00000000}, - {149, "DER", 0x00000000, 0x00000000}, - {150, "COUNTA", 0xFFFFFFFF, 0x00000000}, - {151, "COUNTB", 0xFFFFFFFF, 0x00000000}, - {152, "CMPE", 0x00000000, 0x00000000}, - {153, "CMPF", 0x00000000, 0x00000000}, - {154, "CMPG", 0x00000000, 0x00000000}, - {155, "CMPH", 0x00000000, 0x00000000}, - {156, "LCTRL1", 0xFFFFFFFF, 0x00000000}, - {157, "LCTRL2", 0xFFFFFFFF, 0x00000000}, - {158, "ICTRL", 0xFFFFFFFF, 0x00000007}, - {159, "BAR", 0x00000000, 0x00000000}, - {630, "DPDR", 0x00000000, 0x00000000}, - {631, "DPIR", 0x00000000, 0x00000000}, - {638, "IMMR", 0xFFFF0000, CFG_IMMR }, - {560, "IC_CST", 0x8E380000, 0x00000000}, - {561, "IC_ADR", 0x00000000, 0x00000000}, - {562, "IC_DAT", 0x00000000, 0x00000000}, - {568, "DC_CST", 0xEF380000, 0x00000000}, - {569, "DC_ADR", 0x00000000, 0x00000000}, - {570, "DC_DAT", 0x00000000, 0x00000000}, - {784, "MI_CTR", 0xFFFFFFFF, 0x00000000}, - {786, "MI_AP", 0x00000000, 0x00000000}, - {787, "MI_EPN", 0x00000000, 0x00000000}, - {789, "MI_TWC", 0xFFFFFE02, 0x00000000}, - {790, "MI_RPN", 0x00000000, 0x00000000}, - {816, "MI_DBCAM", 0x00000000, 0x00000000}, - {817, "MI_DBRAM0", 0x00000000, 0x00000000}, - {818, "MI_DBRAM1", 0x00000000, 0x00000000}, - {792, "MD_CTR", 0xFFFFFFFF, 0x04000000}, - {793, "M_CASID", 0xFFFFFFF0, 0x00000000}, - {794, "MD_AP", 0x00000000, 0x00000000}, - {795, "MD_EPN", 0x00000000, 0x00000000}, - {796, "M_TWB", 0x00000003, 0x00000000}, - {797, "MD_TWC", 0x00000003, 0x00000000}, - {798, "MD_RPN", 0x00000000, 0x00000000}, - {799, "M_TW", 0x00000000, 0x00000000}, - {824, "MD_DBCAM", 0x00000000, 0x00000000}, - {825, "MD_DBRAM0", 0x00000000, 0x00000000}, - {826, "MD_DBRAM1", 0x00000000, 0x00000000}, -}; - -static int spr_test_list_size = - sizeof (spr_test_list) / sizeof (spr_test_list[0]); - -int spr_post_test (int flags) -{ - int ret = 0; - int ic = icache_status (); - int i; - - unsigned long code[] = { - 0x7c6002a6, /* mfspr r3,SPR */ - 0x4e800020 /* blr */ - }; - unsigned long (*get_spr) (void) = (void *) code; - - if (ic) - icache_disable (); - - 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); - - 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; - } - } - - if (ic) - icache_enable (); - - return ret; -} -#endif /* CONFIG_POST & CFG_POST_SPR */ -#endif /* CONFIG_POST */ |