diff options
| author | Subrata Banik <subrata.banik@intel.com> | 2019-07-12 18:32:55 +0530 |
|---|---|---|
| committer | Subrata Banik <subrata.banik@intel.com> | 2019-07-14 02:22:06 +0000 |
| commit | 9fe5dde68d8f07a1f78785f48fc39e6acdc98e6b (patch) | |
| tree | 78ea07d51fd03b9944383dfb0f3c32ea133ea73d /src | |
| parent | 270bb0a4c475057414b80c113648892aede570d0 (diff) | |
soc/intel/icelake: Update FSP UPDs if IGD is disable in devicetree
This patch sets required FSP UPDs to skip IGD initialziation if
devicetree has disable IGD.
Change-Id: I34a02bff112f922cabd48c23bc76370892ec62d9
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33739
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/icelake/fsp_params.c | 17 | ||||
| -rw-r--r-- | src/soc/intel/icelake/romstage/fsp_params.c | 17 |
2 files changed, 28 insertions, 6 deletions
diff --git a/src/soc/intel/icelake/fsp_params.c b/src/soc/intel/icelake/fsp_params.c index 03b00d94fb..382b1843f4 100644 --- a/src/soc/intel/icelake/fsp_params.c +++ b/src/soc/intel/icelake/fsp_params.c @@ -80,9 +80,20 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) mainboard_silicon_init_params(params); - params->PeiGraphicsPeimInit = 1; - params->GtFreqMax = 2; - params->CdClock = 3; + dev = pcidev_path_on_root(SA_DEVFN_IGD); + + if (!dev || !dev->enabled) { + /* + * Skip IGD initialization in FSP in case device is disabled + * in the devicetree.cb. + */ + params->PeiGraphicsPeimInit = 0; + } else { + params->PeiGraphicsPeimInit = 1; + params->GtFreqMax = 2; + params->CdClock = 3; + } + /* Unlock upper 8 bytes of RTC RAM */ params->PchLockDownRtcMemoryLock = 0; diff --git a/src/soc/intel/icelake/romstage/fsp_params.c b/src/soc/intel/icelake/romstage/fsp_params.c index 4801bd9ff9..89dc99a18a 100644 --- a/src/soc/intel/icelake/romstage/fsp_params.c +++ b/src/soc/intel/icelake/romstage/fsp_params.c @@ -25,11 +25,22 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const struct soc_intel_icelake_config *config) { unsigned int i; - const struct device *dev; + const struct device *dev = pcidev_path_on_root(SA_DEVFN_IGD); uint32_t mask = 0; - /* Set IGD stolen size to 60MB. */ - m_cfg->IgdDvmt50PreAlloc = 0xFE; + if (!dev || !dev->enabled) { + /* + * Skip IGD initialization in FSP if device + * is disable in devicetree.cb. + */ + m_cfg->InternalGfx = 0; + m_cfg->IgdDvmt50PreAlloc = 0; + } else { + m_cfg->InternalGfx = 1; + /* Set IGD stolen size to 60MB. */ + m_cfg->IgdDvmt50PreAlloc = 0xFE; + } + m_cfg->TsegSize = CONFIG_SMM_TSEG_SIZE; m_cfg->IedSize = CONFIG_IED_REGION_SIZE; m_cfg->SaGv = config->SaGv; |