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https://github.com/brain-hackers/u-boot-brain
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![Wolfgang Denk](/assets/img/avatar_default.png)
By now, the majority of architectures have working relocation support, so the few remaining architectures have become exceptions. To make this more obvious, we make working relocation now the default case, and flag the remaining cases with CONFIG_NEEDS_MANUAL_RELOC. Signed-off-by: Wolfgang Denk <wd@denx.de> Tested-by: Heiko Schocher <hs@denx.de> Tested-by: Reinhard Meyer <u-boot@emk-elektronik.de>
488 lines
10 KiB
C
488 lines
10 KiB
C
/*
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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 <stdio_dev.h>
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#include <watchdog.h>
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#include <post.h>
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#ifdef CONFIG_LOGBUFFER
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#include <logbuff.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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#define POST_MAX_NUMBER 32
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#define BOOTMODE_MAGIC 0xDEAD0000
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int post_init_f (void)
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{
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int res = 0;
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unsigned int i;
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for (i = 0; i < post_list_size; i++) {
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struct post_test *test = post_list + i;
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if (test->init_f && test->init_f()) {
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res = -1;
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}
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}
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gd->post_init_f_time = post_time_ms(0);
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if (!gd->post_init_f_time)
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{
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printf("post/post.c: post_time_ms seems not to be implemented\n");
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}
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return res;
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}
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/*
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* Supply a default implementation for post_hotkeys_pressed() for boards
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* without hotkey support. We always return 0 here, so that the
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* long-running tests won't be started.
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*
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* Boards with hotkey support can override this weak default function
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* by defining one in their board specific code.
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*/
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int __post_hotkeys_pressed(void)
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{
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return 0; /* No hotkeys supported */
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}
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int post_hotkeys_pressed(void)
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__attribute__((weak, alias("__post_hotkeys_pressed")));
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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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int newword;
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if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
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newword = BOOTMODE_MAGIC | POST_SLOWTEST;
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} else if (bootmode == 0) {
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newword = BOOTMODE_MAGIC | POST_POWERON;
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} else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) {
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newword = BOOTMODE_MAGIC | POST_NORMAL;
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} else {
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/* Use old value */
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newword = post_word_load () & ~POST_COLDBOOT;
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}
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if (bootmode == 0)
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{
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/* We are booting after power-on */
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newword |= POST_COLDBOOT;
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}
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post_word_store (newword);
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/* Reset activity record */
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gd->post_log_word = 0;
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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 & 0x7F;
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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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/* POST tests run before relocation only mark status bits .... */
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static void post_log_mark_start ( unsigned long testid )
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{
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gd->post_log_word |= (testid)<<16;
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}
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static void post_log_mark_succ ( unsigned long testid )
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{
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gd->post_log_word |= testid;
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}
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/* ... and the messages are output once we are relocated */
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void post_output_backlog ( void )
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{
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int j;
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for (j = 0; j < post_list_size; j++) {
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if (gd->post_log_word & (post_list[j].testid<<16)) {
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post_log ("POST %s ", post_list[j].cmd);
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if (gd->post_log_word & post_list[j].testid)
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post_log ("PASSED\n");
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else {
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post_log ("FAILED\n");
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show_boot_progress (-31);
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}
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}
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}
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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_NORMAL, POST_SLOWTEST,
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POST_CRITICAL };
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char *var[] = { "post_poweron", "post_normal", "post_slowtest",
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"post_critical" };
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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_f(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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for (j = 0; j < post_list_size; j++) {
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if (test_flags[j] & POST_POWERON) {
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test_flags[j] |= POST_SLOWTEST;
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}
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}
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}
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void __show_post_progress (unsigned int test_num, int before, int result)
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{
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}
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void show_post_progress (unsigned int, int, int)
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__attribute__((weak, alias("__show_post_progress")));
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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 (
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(gd->flags & GD_FLG_POSTFAIL) ?
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POST_FAIL_SAVE | i : i);
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}
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if (test_flags & POST_PREREL)
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post_log_mark_start ( test->testid );
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else
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post_log ("POST %s ", test->cmd);
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}
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show_post_progress(i, POST_BEFORE, POST_FAILED);
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if (test_flags & POST_PREREL) {
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if ((*test->test) (flags) == 0) {
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post_log_mark_succ ( test->testid );
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show_post_progress(i, POST_AFTER, POST_PASSED);
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}
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else {
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show_post_progress(i, POST_AFTER, POST_FAILED);
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if (test_flags & POST_CRITICAL)
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gd->flags |= GD_FLG_POSTFAIL;
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if (test_flags & POST_STOP)
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gd->flags |= GD_FLG_POSTSTOP;
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}
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} else {
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if ((*test->test) (flags) != 0) {
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post_log ("FAILED\n");
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show_boot_progress (-32);
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show_post_progress(i, POST_AFTER, POST_FAILED);
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if (test_flags & POST_CRITICAL)
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gd->flags |= GD_FLG_POSTFAIL;
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if (test_flags & POST_STOP)
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gd->flags |= GD_FLG_POSTSTOP;
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}
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else
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post_log ("PASSED\n");
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show_post_progress(i, POST_AFTER, POST_PASSED);
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}
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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 (gd->flags & GD_FLG_POSTSTOP)
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return 0;
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if (post_bootmode_get (&last) & POST_POWERTEST) {
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if (last & POST_FAIL_SAVE) {
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last &= ~POST_FAIL_SAVE;
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gd->flags |= GD_FLG_POSTFAIL;
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}
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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,
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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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if (gd->flags & GD_FLG_POSTSTOP)
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break;
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post_run_single (post_list + i,
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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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if (gd->flags & GD_FLG_POSTSTOP)
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break;
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post_run_single (post_list + i,
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test_flags[i],
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flags, 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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WATCHDOG_RESET();
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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[CONFIG_SYS_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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#ifdef CONFIG_LOGBUFFER
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/* Send to the logbuffer */
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logbuff_log (printbuffer);
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#else
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/* Send to the stdout file */
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puts (printbuffer);
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#endif
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return 0;
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}
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#ifdef CONFIG_NEEDS_MANUAL_RELOC
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void post_reloc (void)
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{
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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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if (test->init_f) {
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addr = (ulong) (test->init_f) + gd->reloc_off;
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test->init_f = (int (*)(void)) addr;
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}
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if (test->reloc) {
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addr = (ulong) (test->reloc) + gd->reloc_off;
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test->reloc = (void (*)(void)) addr;
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test->reloc();
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}
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}
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}
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#endif
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/*
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* Some tests (e.g. SYSMON) need the time when post_init_f started,
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* but we cannot use get_timer() at this point.
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*
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* On PowerPC we implement it using the timebase register.
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*/
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unsigned long post_time_ms (unsigned long base)
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{
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#ifdef CONFIG_PPC
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return (unsigned long)(get_ticks () / (get_tbclk () / CONFIG_SYS_HZ)) - base;
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#else
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#warning "Not implemented yet"
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return 0; /* Not implemented yet */
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#endif
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}
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