sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

soc/intel/mtl: Set HDA subsystem ID during FSP-M

Browse Source 
Intel introduced a new UPD for setting the HDA subsystem ID in FSP-M.
Using SiSsidTablePtr in FSP-S no longer works as it will be locked with
a default value of 0 by that point.

Change-Id: I174f9a5faf7e8dbbb370d7a4c3d6e9107fb59123
Signed-off-by: Tim Crawford <tcrawford@system76.com>
This commit is contained in:
Tim Crawford 2024-04-25 10:27:12 -06:00 committed by Jeremy Soller
parent 2ff8127cdf
commit 7dbc4052ed
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/soc/intel/meteorlake/romstage/fsp_params.c
View File

@ -409,6 +409,20 @@ static void fill_fsps_acoustic_params(FSP_M_CONFIG *m_cfg,
}
}
static void fill_fspm_pci_ssid_params(FSP_M_CONFIG *m_cfg,
const struct soc_intel_meteorlake_config *config)
{
const struct device *dev;
/* FSP moved setting HDA subsystem ID from FSP-S to FSP-M. */
dev = pcidev_path_on_root(PCI_DEVFN_HDA);
if (dev) {
uint32_t ssid = (dev->subsystem_device << 16) |
dev->subsystem_vendor;
m_cfg->PchHdaSubSystemIds = ssid;
}
}
static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
const struct soc_intel_meteorlake_config *config)
{
@ -433,6 +447,7 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
fill_fspm_vr_config_params,
fill_fspm_ibecc_params,
fill_fsps_acoustic_params,
fill_fspm_pci_ssid_params,
};
for (size_t i = 0; i < ARRAY_SIZE(fill_fspm_params); i++)