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-rw-r--r--post/post.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/post/post.c b/post/post.c
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+/*
+ * (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>
+#include <console.h>
+#include <watchdog.h>
+#include <post.h>
+
+#ifdef CONFIG_POST
+
+#define POST_MAX_NUMBER 32
+
+#define BOOTMODE_MAGIC 0xDEAD0000
+
+void post_bootmode_init (void)
+{
+ int bootmode = post_bootmode_get (0);
+
+ if (bootmode == 0) {
+ bootmode = POST_POWERON;
+ } else if (bootmode == POST_POWERON) {
+ bootmode = POST_POWERNORMAL;
+ } else {
+ return;
+ }
+
+ post_word_store (BOOTMODE_MAGIC | bootmode);
+}
+
+int post_bootmode_get (unsigned int *last_test)
+{
+ unsigned long word = post_word_load ();
+ int bootmode;
+
+ if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
+ return 0;
+ }
+
+ bootmode = word & 0xFF;
+
+ if (last_test && (bootmode & POST_POWERTEST)) {
+ *last_test = (word >> 8) & 0xFF;
+ }
+
+ return bootmode;
+}
+
+void post_bootmode_clear (void)
+{
+ post_word_store (0);
+}
+
+static void post_bootmode_test_on (unsigned int last_test)
+{
+ unsigned long word = post_word_load ();
+
+ word |= POST_POWERTEST;
+
+ word |= (last_test & 0xFF) << 8;
+
+ post_word_store (word);
+}
+
+static void post_bootmode_test_off (void)
+{
+ unsigned long word = post_word_load ();
+
+ word &= ~POST_POWERTEST;
+
+ post_word_store (word);
+}
+
+static void post_get_flags (int *test_flags)
+{
+ int flag[] = { POST_POWERON, POST_POWERNORMAL, POST_POWERFAIL };
+ char *var[] = { "post_poweron", "post_normal", "post_shutdown" };
+ int varnum = sizeof (var) / sizeof (var[0]);
+ char list[128]; /* long enough for POST list */
+ char *name;
+ char *s;
+ int last;
+ int i, j;
+
+ for (j = 0; j < post_list_size; j++) {
+ test_flags[j] = post_list[j].flags;
+ }
+
+ for (i = 0; i < varnum; i++) {
+ if (getenv_r (var[i], list, sizeof (list)) <= 0)
+ continue;
+
+ for (j = 0; j < post_list_size; j++) {
+ test_flags[j] &= ~flag[i];
+ }
+
+ last = 0;
+ name = list;
+ while (!last) {
+ while (*name && *name == ' ')
+ name++;
+ if (*name == 0)
+ break;
+ s = name + 1;
+ while (*s && *s != ' ')
+ s++;
+ if (*s == 0)
+ last = 1;
+ else
+ *s = 0;
+
+ for (j = 0; j < post_list_size; j++) {
+ if (strcmp (post_list[j].cmd, name) == 0) {
+ test_flags[j] |= flag[i];
+ break;
+ }
+ }
+
+ if (j == post_list_size) {
+ printf ("No such test: %s\n", name);
+ }
+
+ name = s + 1;
+ }
+ }
+}
+
+static int post_run_single (struct post_test *test,
+ int test_flags, int flags, unsigned int i)
+{
+ if ((flags & test_flags & POST_ALWAYS) &&
+ (flags & test_flags & POST_MEM)) {
+ WATCHDOG_RESET ();
+
+ if (!(flags & POST_REBOOT)) {
+ if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
+ post_bootmode_test_on (i);
+ }
+
+ post_log ("START %s\n", test->cmd);
+ }
+
+ if ((*test->test) (flags) != 0)
+ post_log ("FAILED\n");
+ else
+ post_log ("PASSED\n");
+
+ if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
+ post_bootmode_test_off ();
+ }
+
+ return 0;
+ } else {
+ return -1;
+ }
+}
+
+int post_run (char *name, int flags)
+{
+ unsigned int i;
+ int test_flags[POST_MAX_NUMBER];
+
+ post_get_flags (test_flags);
+
+ if (name == NULL) {
+ unsigned int last;
+
+ if (post_bootmode_get (&last) & POST_POWERTEST) {
+ if (last < post_list_size &&
+ (flags & test_flags[last] & POST_ALWAYS) &&
+ (flags & test_flags[last] & POST_MEM)) {
+
+ post_run_single (post_list + last, test_flags[last],
+ flags | POST_REBOOT, last);
+
+ for (i = last + 1; i < post_list_size; i++) {
+ post_run_single (post_list + i, test_flags[i],
+ flags, i);
+ }
+ }
+ } else {
+ for (i = 0; i < post_list_size; i++) {
+ post_run_single (post_list + i, test_flags[i], flags,
+ i);
+ }
+ }
+
+ return 0;
+ } else {
+ for (i = 0; i < post_list_size; i++) {
+ if (strcmp (post_list[i].cmd, name) == 0)
+ break;
+ }
+
+ if (i < post_list_size) {
+ return post_run_single (post_list + i,
+ test_flags[i],
+ flags, i);
+ } else {
+ return -1;
+ }
+ }
+}
+
+static int post_info_single (struct post_test *test, int full)
+{
+ if (test->flags & POST_MANUAL) {
+ if (full)
+ printf ("%s - %s\n"
+ " %s\n", test->cmd, test->name, test->desc);
+ else
+ printf (" %-15s - %s\n", test->cmd, test->name);
+
+ return 0;
+ } else {
+ return -1;
+ }
+}
+
+int post_info (char *name)
+{
+ unsigned int i;
+
+ if (name == NULL) {
+ for (i = 0; i < post_list_size; i++) {
+ post_info_single (post_list + i, 0);
+ }
+
+ return 0;
+ } else {
+ for (i = 0; i < post_list_size; i++) {
+ if (strcmp (post_list[i].cmd, name) == 0)
+ break;
+ }
+
+ if (i < post_list_size) {
+ return post_info_single (post_list + i, 1);
+ } else {
+ return -1;
+ }
+ }
+}
+
+int post_log (char *format, ...)
+{
+ va_list args;
+ uint i;
+ char printbuffer[CFG_PBSIZE];
+
+ va_start (args, format);
+
+ /* For this to work, printbuffer must be larger than
+ * anything we ever want to print.
+ */
+ i = vsprintf (printbuffer, format, args);
+ va_end (args);
+
+ /* Send to the stdout file */
+ puts (printbuffer);
+
+ return 0;
+}
+
+void post_reloc (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ unsigned int i;
+
+ /*
+ * We have to relocate the test table manually
+ */
+ for (i = 0; i < post_list_size; i++) {
+ ulong addr;
+ struct post_test *test = post_list + i;
+
+ if (test->name) {
+ addr = (ulong) (test->name) + gd->reloc_off;
+ test->name = (char *) addr;
+ }
+
+ if (test->cmd) {
+ addr = (ulong) (test->cmd) + gd->reloc_off;
+ test->cmd = (char *) addr;
+ }
+
+ if (test->desc) {
+ addr = (ulong) (test->desc) + gd->reloc_off;
+ test->desc = (char *) addr;
+ }
+
+ if (test->test) {
+ addr = (ulong) (test->test) + gd->reloc_off;
+ test->test = (int (*)(int flags)) addr;
+ }
+ }
+}
+
+#endif /* CONFIG_POST */
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