soc/intel/cannonlake: Enable ISH from device

PCH ISH enabled/disabled in FSP memory init UPD, it will be match the
setting in ISH device on/off in devicetree.cb.

BUG=N/A
TEST=Build and pass on whiskey lake rvp platform.

Change-Id: I6889634bf65e7ce5cc3e3393c57c86d622f1ac68
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/29274
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Pratikkumar V Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-by: Bora Guvendik <bora.guvendik@intel.com>
This commit is contained in:
Lijian Zhao 2018-10-25 09:29:10 -07:00 committed by Patrick Georgi
parent f41cb17fe2
commit fe701ee398

View file

@ -25,6 +25,7 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const config_t *config)
{
unsigned int i;
uint32_t mask = 0;
const struct device *dev = dev_find_slot(0, PCH_DEVFN_ISH);
/* Set IGD stolen size to 64MB. */
m_cfg->IgdDvmt50PreAlloc = 2;
@ -55,6 +56,11 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const config_t *config)
#if IS_ENABLED(CONFIG_SOC_INTEL_COFFEELAKE)
m_cfg->SkipMpInit = !chip_get_fsp_mp_init();
#endif
/* If ISH is enabled, enable ISH elements */
if (!dev)
m_cfg->PchIshEnable = 0;
else
m_cfg->PchIshEnable = dev->enabled;
}
void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)