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lenovo/x201: Reinit CBMEM only on S3 resume. 

Change-Id: I0643cdab10cda3f19ab56223f5fa77376a8046ac
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4782
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Vladimir Serbinenko 2014-01-22 21:41:34 +01:00
parent bca985557e
commit 969f8617e9
1 changed files with 14 additions and 16 deletions
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30
src/mainboard/lenovo/x201/romstage.c
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@ -230,7 +230,6 @@ static inline u16 read_acpi16(u32 addr)
void main(unsigned long bist)
{
u32 reg32;
int cbmem_initted;
int s3resume = 0;
timestamp_init(rdtsc ());
@ -327,18 +326,24 @@ void main(unsigned long bist)
outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04);
}
/* FIXME: If not in s3resume, raminit() calls cbmem_recovery(0),
* clears all of CBMEM region and puts in MRC training results.
* Tell here we are doing resume to avoid wiping CBMEM region
* again. */
cbmem_initted = !cbmem_recovery(1);
#if CONFIG_HAVE_ACPI_RESUME
/* If there is no high memory area, we didn't boot before, so
* this is not a resume. In that case we just create the cbmem toc.
*/
if (s3resume && cbmem_initted) {
void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
if (s3resume) {
void *resume_backup_memory;
/* For non-S3-resume, CBMEM is inited in raminit code. */
if (cbmem_recovery(1)) {
printk(BIOS_ERR, "Failed S3 resume.\n");
ram_check(0x100000, 0x200000);
/* Failed S3 resume, reset to come up cleanly */
outb(0xe, 0xcf9);
hlt();
}
resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
/* copy 1MB - 64K to high tables ram_base to prevent memory corruption
* through stage 2. We could keep stuff like stack and heap in high tables
@ -351,13 +356,6 @@ void main(unsigned long bist)
/* Magic for S3 resume */
pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
} else if (s3resume) {
printk(BIOS_ERR, "Failed S3 resume.\n");
ram_check(0x100000, 0x200000);
/* Failed S3 resume, reset to come up cleanly */
outb(0xe, 0xcf9);
hlt();
} else {
pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
quick_ram_check();