diff options
| author | Siyuan Wang <wangsiyuanbuaa@gmail.com> | 2013-06-07 14:31:19 +0800 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-06-13 01:17:22 +0200 |
| commit | 6c4f3ce4906c32e365825a7d8630945f79b60616 (patch) | |
| tree | 5c8eb8056e05a64a37ebd06a5ad3f53d5c314d1c /src | |
| parent | d2ae6ae7898b00425ace91ebb835299c18a5ad50 (diff) | |
AMD S3 resume: use a function to replace duplicated code
In function OemAgesaSaveMtrr of 'src/cpu/amd/agesa/s3_resume.c',
there are many code like this:
msr_data = rdmsr(0x258);
flash->write(flash, nvram_pos, 4, &msr_data.lo);
nvram_pos += 4;
flash->write(flash, nvram_pos, 4, &msr_data.hi);
nvram_pos += 4;
Add a function write_mtrr to do this.
Change-Id: Id6464e637db1758b07ac2d79d3be1375a8d49651
Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com>
Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com>
Reviewed-on: http://review.coreboot.org/3410
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/amd/agesa/s3_resume.c | 73 | ||||
| -rw-r--r-- | src/cpu/amd/agesa/s3_resume.h | 5 |
2 files changed, 28 insertions, 50 deletions
diff --git a/src/cpu/amd/agesa/s3_resume.c b/src/cpu/amd/agesa/s3_resume.c index ada4d3ca72..8a9ffeea63 100644 --- a/src/cpu/amd/agesa/s3_resume.c +++ b/src/cpu/amd/agesa/s3_resume.c @@ -147,6 +147,18 @@ void move_stack_high_mem(void) :); } +#ifndef __PRE_RAM__ +void write_mtrr(struct spi_flash *flash, u32 *p_nvram_pos, unsigned idx) +{ + msr_t msr_data; + msr_data = rdmsr(idx); + flash->write(flash, *p_nvram_pos, 4, &msr_data.lo); + *p_nvram_pos += 4; + flash->write(flash, *p_nvram_pos, 4, &msr_data.hi); + *p_nvram_pos += 4; +} +#endif + void OemAgesaSaveMtrr(void) { #ifndef __PRE_RAM__ @@ -174,32 +186,12 @@ void OemAgesaSaveMtrr(void) wrmsr(SYS_CFG, msr_data); /* Fixed MTRRs */ - msr_data = rdmsr(0x250); - - flash->write(flash, nvram_pos, 4, &msr_data.lo); - nvram_pos += 4; - flash->write(flash, nvram_pos, 4, &msr_data.hi); - nvram_pos += 4; - - msr_data = rdmsr(0x258); - flash->write(flash, nvram_pos, 4, &msr_data.lo); - nvram_pos += 4; - flash->write(flash, nvram_pos, 4, &msr_data.hi); - nvram_pos += 4; - - msr_data = rdmsr(0x259); - flash->write(flash, nvram_pos, 4, &msr_data.lo); - nvram_pos += 4; - flash->write(flash, nvram_pos, 4, &msr_data.hi); - nvram_pos += 4; - - for (i = 0x268; i < 0x270; i++) { - msr_data = rdmsr(i); - flash->write(flash, nvram_pos, 4, &msr_data.lo); - nvram_pos += 4; - flash->write(flash, nvram_pos, 4, &msr_data.hi); - nvram_pos += 4; - } + write_mtrr(flash, &nvram_pos, 0x250); + write_mtrr(flash, &nvram_pos, 0x258); + write_mtrr(flash, &nvram_pos, 0x259); + + for (i = 0x268; i < 0x270; i++) + write_mtrr(flash, &nvram_pos, i); /* Disable access to AMD RdDram and WrDram extension bits */ msr_data = rdmsr(SYS_CFG); @@ -207,34 +199,15 @@ void OemAgesaSaveMtrr(void) wrmsr(SYS_CFG, msr_data); /* Variable MTRRs */ - for (i = 0x200; i < 0x210; i++) { - msr_data = rdmsr(i); - flash->write(flash, nvram_pos, 4, &msr_data.lo); - nvram_pos += 4; - flash->write(flash, nvram_pos, 4, &msr_data.hi); - nvram_pos += 4; - } + for (i = 0x200; i < 0x210; i++) + write_mtrr(flash, &nvram_pos, i); /* SYS_CFG */ - msr_data = rdmsr(0xC0010010); - flash->write(flash, nvram_pos, 4, &msr_data.lo); - nvram_pos += 4; - flash->write(flash, nvram_pos, 4, &msr_data.hi); - nvram_pos += 4; - + write_mtrr(flash, &nvram_pos, 0xC0010010); /* TOM */ - msr_data = rdmsr(0xC001001A); - flash->write(flash, nvram_pos, 4, &msr_data.lo); - nvram_pos += 4; - flash->write(flash, nvram_pos, 4, &msr_data.hi); - nvram_pos += 4; - + write_mtrr(flash, &nvram_pos, 0xC001001A); /* TOM2 */ - msr_data = rdmsr(0xC001001D); - flash->write(flash, nvram_pos, 4, &msr_data.lo); - nvram_pos += 4; - flash->write(flash, nvram_pos, 4, &msr_data.hi); - nvram_pos += 4; + write_mtrr(flash, &nvram_pos, 0xC001001D); flash->spi->rw = SPI_WRITE_FLAG; spi_release_bus(flash->spi); diff --git a/src/cpu/amd/agesa/s3_resume.h b/src/cpu/amd/agesa/s3_resume.h index 441e952b0a..5ee4f38ab0 100644 --- a/src/cpu/amd/agesa/s3_resume.h +++ b/src/cpu/amd/agesa/s3_resume.h @@ -49,6 +49,11 @@ u32 OemAgesaSaveS3Info (S3_DATA_TYPE S3DataType, u32 DataSize, void *Data); void OemAgesaGetS3Info (S3_DATA_TYPE S3DataType, u32 *DataSize, void **Data); void OemAgesaSaveMtrr (void); +#ifndef __PRE_RAM__ +#include <spi_flash.h> +void write_mtrr(struct spi_flash *flash, u32 *p_nvram_pos, unsigned idx); +#endif + #endif #endif |