Initial revision
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wdenk
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/*
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* (C) Copyright 2000-2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <commproc.h>
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#ifdef CFG_ALLOC_DPRAM
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int dpram_init (void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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/* Reclaim the DP memory for our use. */
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gd->dp_alloc_base = CPM_DATAONLY_BASE;
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gd->dp_alloc_top = CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE;
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return (0);
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}
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/* Allocate some memory from the dual ported ram. We may want to
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* enforce alignment restrictions, but right now everyone is a good
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* citizen.
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*/
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uint dpram_alloc (uint size)
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{
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DECLARE_GLOBAL_DATA_PTR;
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uint addr = gd->dp_alloc_base;
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if ((gd->dp_alloc_base + size) >= gd->dp_alloc_top)
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return (CPM_DP_NOSPACE);
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gd->dp_alloc_base += size;
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return addr;
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}
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uint dpram_base (void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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return gd->dp_alloc_base;
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}
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/* Allocate some memory from the dual ported ram. We may want to
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* enforce alignment restrictions, but right now everyone is a good
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* citizen.
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*/
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uint dpram_alloc_align (uint size, uint align)
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{
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DECLARE_GLOBAL_DATA_PTR;
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uint addr, mask = align - 1;
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addr = (gd->dp_alloc_base + mask) & ~mask;
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if ((addr + size) >= gd->dp_alloc_top)
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return (CPM_DP_NOSPACE);
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gd->dp_alloc_base = addr + size;
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return addr;
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}
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uint dpram_base_align (uint align)
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{
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DECLARE_GLOBAL_DATA_PTR;
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uint mask = align - 1;
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return (gd->dp_alloc_base + mask) & ~mask;
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}
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#endif /* CFG_ALLOC_DPRAM */
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#ifdef CONFIG_POST
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void post_word_store (ulong a)
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{
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volatile void *save_addr =
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((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR;
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*(volatile ulong *) save_addr = a;
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}
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ulong post_word_load (void)
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{
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volatile void *save_addr =
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((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR;
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return *(volatile ulong *) save_addr;
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}
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#endif /* CONFIG_POST */
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@ -0,0 +1,318 @@
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/*
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* (C) Copyright 2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <console.h>
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#include <watchdog.h>
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#include <post.h>
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#ifdef CONFIG_POST
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#define POST_MAX_NUMBER 32
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#define BOOTMODE_MAGIC 0xDEAD0000
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void post_bootmode_init (void)
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{
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int bootmode = post_bootmode_get (0);
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if (bootmode == 0) {
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bootmode = POST_POWERON;
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} else if (bootmode == POST_POWERON) {
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bootmode = POST_POWERNORMAL;
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} else {
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return;
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}
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post_word_store (BOOTMODE_MAGIC | bootmode);
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}
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int post_bootmode_get (unsigned int *last_test)
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{
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unsigned long word = post_word_load ();
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int bootmode;
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if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
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return 0;
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}
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bootmode = word & 0xFF;
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if (last_test && (bootmode & POST_POWERTEST)) {
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*last_test = (word >> 8) & 0xFF;
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}
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return bootmode;
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}
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void post_bootmode_clear (void)
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{
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post_word_store (0);
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}
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static void post_bootmode_test_on (unsigned int last_test)
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{
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unsigned long word = post_word_load ();
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word |= POST_POWERTEST;
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word |= (last_test & 0xFF) << 8;
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post_word_store (word);
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}
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static void post_bootmode_test_off (void)
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{
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unsigned long word = post_word_load ();
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word &= ~POST_POWERTEST;
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post_word_store (word);
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}
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static void post_get_flags (int *test_flags)
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{
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int flag[] = { POST_POWERON, POST_POWERNORMAL, POST_POWERFAIL };
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char *var[] = { "post_poweron", "post_normal", "post_shutdown" };
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int varnum = sizeof (var) / sizeof (var[0]);
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char list[128]; /* long enough for POST list */
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char *name;
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char *s;
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int last;
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int i, j;
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for (j = 0; j < post_list_size; j++) {
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test_flags[j] = post_list[j].flags;
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}
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for (i = 0; i < varnum; i++) {
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if (getenv_r (var[i], list, sizeof (list)) <= 0)
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continue;
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for (j = 0; j < post_list_size; j++) {
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test_flags[j] &= ~flag[i];
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}
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last = 0;
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name = list;
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while (!last) {
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while (*name && *name == ' ')
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name++;
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if (*name == 0)
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break;
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s = name + 1;
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while (*s && *s != ' ')
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s++;
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if (*s == 0)
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last = 1;
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else
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*s = 0;
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for (j = 0; j < post_list_size; j++) {
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if (strcmp (post_list[j].cmd, name) == 0) {
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test_flags[j] |= flag[i];
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break;
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}
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}
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if (j == post_list_size) {
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printf ("No such test: %s\n", name);
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}
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name = s + 1;
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}
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}
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}
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static int post_run_single (struct post_test *test,
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int test_flags, int flags, unsigned int i)
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{
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if ((flags & test_flags & POST_ALWAYS) &&
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(flags & test_flags & POST_MEM)) {
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WATCHDOG_RESET ();
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if (!(flags & POST_REBOOT)) {
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if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
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post_bootmode_test_on (i);
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}
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post_log ("START %s\n", test->cmd);
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}
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if ((*test->test) (flags) != 0)
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post_log ("FAILED\n");
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else
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post_log ("PASSED\n");
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if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
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post_bootmode_test_off ();
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}
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return 0;
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} else {
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return -1;
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}
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}
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int post_run (char *name, int flags)
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{
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unsigned int i;
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int test_flags[POST_MAX_NUMBER];
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post_get_flags (test_flags);
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if (name == NULL) {
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unsigned int last;
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if (post_bootmode_get (&last) & POST_POWERTEST) {
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if (last < post_list_size &&
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(flags & test_flags[last] & POST_ALWAYS) &&
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(flags & test_flags[last] & POST_MEM)) {
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post_run_single (post_list + last, test_flags[last],
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flags | POST_REBOOT, last);
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for (i = last + 1; i < post_list_size; i++) {
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post_run_single (post_list + i, test_flags[i],
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flags, i);
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}
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}
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} else {
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for (i = 0; i < post_list_size; i++) {
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post_run_single (post_list + i, test_flags[i], flags,
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i);
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}
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}
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return 0;
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} else {
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for (i = 0; i < post_list_size; i++) {
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if (strcmp (post_list[i].cmd, name) == 0)
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break;
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}
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if (i < post_list_size) {
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return post_run_single (post_list + i,
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test_flags[i],
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flags, i);
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} else {
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return -1;
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}
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}
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}
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static int post_info_single (struct post_test *test, int full)
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{
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if (test->flags & POST_MANUAL) {
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if (full)
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printf ("%s - %s\n"
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" %s\n", test->cmd, test->name, test->desc);
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else
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printf (" %-15s - %s\n", test->cmd, test->name);
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return 0;
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} else {
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return -1;
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}
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}
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int post_info (char *name)
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{
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unsigned int i;
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if (name == NULL) {
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for (i = 0; i < post_list_size; i++) {
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post_info_single (post_list + i, 0);
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}
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return 0;
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} else {
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for (i = 0; i < post_list_size; i++) {
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if (strcmp (post_list[i].cmd, name) == 0)
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break;
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}
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if (i < post_list_size) {
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return post_info_single (post_list + i, 1);
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} else {
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return -1;
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}
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}
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}
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int post_log (char *format, ...)
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{
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va_list args;
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uint i;
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char printbuffer[CFG_PBSIZE];
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va_start (args, format);
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/* For this to work, printbuffer must be larger than
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* anything we ever want to print.
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*/
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i = vsprintf (printbuffer, format, args);
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va_end (args);
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/* Send to the stdout file */
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puts (printbuffer);
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return 0;
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}
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void post_reloc (void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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unsigned int i;
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/*
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* We have to relocate the test table manually
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*/
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for (i = 0; i < post_list_size; i++) {
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ulong addr;
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struct post_test *test = post_list + i;
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if (test->name) {
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addr = (ulong) (test->name) + gd->reloc_off;
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test->name = (char *) addr;
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}
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if (test->cmd) {
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addr = (ulong) (test->cmd) + gd->reloc_off;
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test->cmd = (char *) addr;
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}
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if (test->desc) {
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addr = (ulong) (test->desc) + gd->reloc_off;
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test->desc = (char *) addr;
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}
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if (test->test) {
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addr = (ulong) (test->test) + gd->reloc_off;
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test->test = (int (*)(int flags)) addr;
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}
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}
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}
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#endif /* CONFIG_POST */
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