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authorSubrata Banik <subrata.banik@intel.com>2017-08-17 15:49:58 +0530
committerAaron Durbin <adurbin@chromium.org>2017-08-25 17:58:08 +0000
commitc204aaa23b8455457920a56a85b0128f9818f461 (patch)
treeaab5c43aae02df5f04ccea3d903a04d887012c9d /src/soc/intel/skylake/finalize.c
parentbcefbe163f70ef2590be252057d626e788047b16 (diff)
soc/intel/skylake: Add LPC and SPI lock down config option
This patch to provide new config options to perform LPC and SPI lock down either by FSP or coreboot. Remove EISS bit programming as well. TEST=Build and boot Eve and Poppy. Change-Id: If174915b4d0c581f36b54b2b8cd970a93c6454bc Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/21068 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/skylake/finalize.c')
-rw-r--r--src/soc/intel/skylake/finalize.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/src/soc/intel/skylake/finalize.c b/src/soc/intel/skylake/finalize.c
index 9759382149..404d217a87 100644
--- a/src/soc/intel/skylake/finalize.c
+++ b/src/soc/intel/skylake/finalize.c
@@ -184,8 +184,8 @@ static void soc_lockdown(void)
pci_write_config8(dev, GEN_PMCON_A, reg8);
}
- /* Bios Interface Lock */
- if (config->LockDownConfigBiosInterface == 0) {
+ if (config->chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT) {
+ /* Bios Interface Lock */
pci_write_config8(PCH_DEV_LPC, BIOS_CNTL,
pci_read_config8(PCH_DEV_LPC,
BIOS_CNTL) | LPC_BC_BILD);
@@ -196,10 +196,8 @@ static void soc_lockdown(void)
/* GCS reg of DMI */
pcr_or8(PID_DMI, PCR_DMI_GCS, PCR_DMI_GCS_BILD);
- }
- /* Bios Lock */
- if (config->LockDownConfigBiosLock == 0) {
+ /* Bios Lock */
pci_write_config8(PCH_DEV_LPC, BIOS_CNTL,
pci_read_config8(PCH_DEV_LPC,
BIOS_CNTL) | LPC_BC_LE);
@@ -209,18 +207,6 @@ static void soc_lockdown(void)
fast_spi_set_lock_enable();
}
-
- /* SPIEiss */
- if (config->LockDownConfigSpiEiss == 0) {
- pci_write_config8(PCH_DEV_LPC, BIOS_CNTL,
- pci_read_config8(PCH_DEV_LPC,
- BIOS_CNTL) | LPC_BC_EISS);
-
- /* Ensure an additional read back after performing lock down */
- pci_read_config8(PCH_DEV_LPC, BIOS_CNTL);
-
- fast_spi_set_eiss();
- }
}
static void soc_finalize(void *unused)