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soc/intel/cannonlake: Set IGD stolen memory size to 64MB 

This patch overrides default FSP IGD stolen memory size
UPD value.

TEST=Ensures FSP-M UPD “IgdDvmt50PreAlloc” value is 0x2 (64MB)

Change-Id: I63d992e139810ad203137b34c98d1a463f88b92d
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/21341
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Subrata Banik 2017-09-02 12:52:12 +05:30
parent 5bceca1c53
commit 84c4987eae
1 changed files with 2 additions and 0 deletions
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2
src/soc/intel/cannonlake/romstage/romstage.c
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@ -71,6 +71,8 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const config_t *config)
unsigned int i; unsigned int i;
uint32_t mask = 0; uint32_t mask = 0;
/* Set IGD stolen size to 64MB. */
m_cfg->IgdDvmt50PreAlloc = 2;
m_cfg->TsegSize = CONFIG_SMM_TSEG_SIZE; m_cfg->TsegSize = CONFIG_SMM_TSEG_SIZE;
m_cfg->IedSize = CONFIG_IED_REGION_SIZE; m_cfg->IedSize = CONFIG_IED_REGION_SIZE;
m_cfg->SaGv = config->SaGv; m_cfg->SaGv = config->SaGv;