Commit a042ac84 authored by wdenk's avatar wdenk
Browse files

Initial revision

parent a46d821f
/*
* (C) Copyright 2000-2002
* 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 <commproc.h>
#ifdef CFG_ALLOC_DPRAM
int dpram_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
/* Reclaim the DP memory for our use. */
gd->dp_alloc_base = CPM_DATAONLY_BASE;
gd->dp_alloc_top = CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE;
return (0);
}
/* Allocate some memory from the dual ported ram. We may want to
* enforce alignment restrictions, but right now everyone is a good
* citizen.
*/
uint dpram_alloc (uint size)
{
DECLARE_GLOBAL_DATA_PTR;
uint addr = gd->dp_alloc_base;
if ((gd->dp_alloc_base + size) >= gd->dp_alloc_top)
return (CPM_DP_NOSPACE);
gd->dp_alloc_base += size;
return addr;
}
uint dpram_base (void)
{
DECLARE_GLOBAL_DATA_PTR;
return gd->dp_alloc_base;
}
/* Allocate some memory from the dual ported ram. We may want to
* enforce alignment restrictions, but right now everyone is a good
* citizen.
*/
uint dpram_alloc_align (uint size, uint align)
{
DECLARE_GLOBAL_DATA_PTR;
uint addr, mask = align - 1;
addr = (gd->dp_alloc_base + mask) & ~mask;
if ((addr + size) >= gd->dp_alloc_top)
return (CPM_DP_NOSPACE);
gd->dp_alloc_base = addr + size;
return addr;
}
uint dpram_base_align (uint align)
{
DECLARE_GLOBAL_DATA_PTR;
uint mask = align - 1;
return (gd->dp_alloc_base + mask) & ~mask;
}
#endif /* CFG_ALLOC_DPRAM */
#ifdef CONFIG_POST
void post_word_store (ulong a)
{
volatile void *save_addr =
((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR;
*(volatile ulong *) save_addr = a;
}
ulong post_word_load (void)
{
volatile void *save_addr =
((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR;
return *(volatile ulong *) save_addr;
}
#endif /* CONFIG_POST */
/*
* (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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