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northbridge/amd/amdmct/mct_ddr3: Fix S3 suspend overrunning the stack size limit 

Change-Id: Id7441dacef2e46e283d1fc99d5e5fa3f20e0d097
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/11959
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Timothy Pearson 2015-05-31 18:46:40 -05:00 committed by Martin Roth
parent 502d457bf9
commit 69b11f9d40
1 changed files with 13 additions and 3 deletions
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16
src/northbridge/amd/amdmct/mct_ddr3/s3utils.c
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@ -539,10 +539,17 @@ int8_t save_mct_information_to_nvram(void)
struct spi_flash *flash;
ssize_t s3nv_offset;
struct amd_s3_persistent_data persistent_data;
struct amd_s3_persistent_data *persistent_data;
/* Allocate temporary data structures */
persistent_data = malloc(sizeof(struct amd_s3_persistent_data));
if (!persistent_data) {
printk(BIOS_DEBUG, "Could not allocate S3 data structure in RAM\n");
return -1;
}
/* Obtain MCT configuration data */
copy_mct_data_to_save_variable(&persistent_data);
copy_mct_data_to_save_variable(persistent_data);
/* Obtain CBFS file offset */
s3nv_offset = get_s3nv_file_offset();
@ -572,7 +579,10 @@ int8_t save_mct_information_to_nvram(void)
/* Erase and write data structure */
flash->erase(flash, s3nv_offset, CONFIG_S3_DATA_SIZE);
flash->write(flash, s3nv_offset, sizeof(struct amd_s3_persistent_data), &persistent_data);
flash->write(flash, s3nv_offset, sizeof(struct amd_s3_persistent_data), persistent_data);
/* Deallocate temporary data structures */
free(persistent_data);
/* Tear down SPI flash access */
flash->spi->rw = SPI_WRITE_FLAG;