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AGESA: Use common ACPI S3 recovery 

Change-Id: I8ce91088c5fa1a2d2abc53b23e423939fe759117
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/15253
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Kyösti Mälkki 2016-06-18 16:55:51 +03:00
parent 3969df875e
commit a2a7e981d6
1 changed files with 7 additions and 25 deletions
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32
src/cpu/amd/agesa/s3_resume.c
View File

@ -25,29 +25,11 @@
#include <halt.h>
#include "s3_resume.h"
static void *backup_resume(void)
{
void *resume_backup_memory;
printk(BIOS_DEBUG, "Find resume memory location\n");
if (cbmem_recovery(1)) {
printk(BIOS_EMERG, "Unable to recover CBMEM\n");
halt();
}
resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
if (resume_backup_memory == NULL) {
printk(BIOS_EMERG, "No storage for low-memory backup\n");
halt();
}
return resume_backup_memory;
}
static void move_stack_high_mem(void)
{
void *high_stack = cbmem_find(CBMEM_ID_ROMSTAGE_RAM_STACK);
if (high_stack == NULL)
halt();
/* TODO: Make the switch with empty stack instead. */
memcpy(high_stack, (void *)BSP_STACK_BASE_ADDR, HIGH_ROMSTAGE_STACK_SIZE);
@ -93,7 +75,10 @@ static void set_resume_cache(void)
void prepare_for_resume(void)
{
void *resume_backup_memory = backup_resume();
if (cbmem_recovery(1)) {
printk(BIOS_EMERG, "Unable to recover CBMEM\n");
halt();
}
post_code(0x62);
printk(BIOS_DEBUG, "Move CAR stack.\n");
@ -108,8 +93,5 @@ void prepare_for_resume(void)
* Copy the system memory that is in the ramstage area to the
* reserved area.
*/
if (resume_backup_memory)
memcpy(resume_backup_memory, (void *)(CONFIG_RAMBASE), HIGH_MEMORY_SAVE);
printk(BIOS_DEBUG, "System memory saved. OK to load ramstage.\n");
acpi_prepare_for_resume();
}