diff options
Diffstat (limited to 'src/mainboard/siemens/mc_apl1/mainboard.c')
| -rw-r--r-- | src/mainboard/siemens/mc_apl1/mainboard.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_apl1/mainboard.c b/src/mainboard/siemens/mc_apl1/mainboard.c index b2cd449b87..bca0cbb4c8 100644 --- a/src/mainboard/siemens/mc_apl1/mainboard.c +++ b/src/mainboard/siemens/mc_apl1/mainboard.c @@ -12,6 +12,7 @@ #include <intelblocks/fast_spi.h> #include <intelblocks/systemagent.h> #include <soc/pci_devs.h> +#include <soc/ramstage.h> #include <string.h> #include <timer.h> #include <timestamp.h> @@ -173,6 +174,29 @@ static void config_pmic_imon(void) printk(BIOS_DEBUG, "PMIC: Configure PMIC IMON - End\n"); } +void mainboard_silicon_init_params(FSP_S_CONFIG *silconfig) +{ + printk(BIOS_DEBUG, "MAINBOARD: %s/%s called\n", __FILE__, __func__); + + /* Disable CPU power states (C-states) */ + silconfig->EnableCx = 0; + + /* Set max Pkg Cstate to PkgC0C1 */ + silconfig->PkgCStateLimit = 0; + + /* Disable PCIe Transmitter Half Swing for all RPs */ + memset(silconfig->PcieRpTransmitterHalfSwing, 0, + sizeof(silconfig->PcieRpTransmitterHalfSwing)); + + /* Disable PCI Express Active State Power Management for all RPs */ + memset(silconfig->PcieRpAspm, 0, + sizeof(silconfig->PcieRpAspm)); + + /* Disable PCI Express L1 Substate for all RPs */ + memset(silconfig->PcieRpL1Substates, 0, + sizeof(silconfig->PcieRpL1Substates)); +} + static void mainboard_init(void *chip_info) { const struct pad_config *pads; |