summaryrefslogtreecommitdiff
path: root/src/soc/amd/common/block/psp
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/amd/common/block/psp')
-rw-r--r--src/soc/amd/common/block/psp/Kconfig45
-rw-r--r--src/soc/amd/common/block/psp/Makefile.inc2
-rw-r--r--src/soc/amd/common/block/psp/spl_fuse.c2
3 files changed, 43 insertions, 6 deletions
diff --git a/src/soc/amd/common/block/psp/Kconfig b/src/soc/amd/common/block/psp/Kconfig
index 68d68615ea..d86ad7cd0a 100644
--- a/src/soc/amd/common/block/psp/Kconfig
+++ b/src/soc/amd/common/block/psp/Kconfig
@@ -29,13 +29,50 @@ config SOC_AMD_PSP_SELECTABLE_SMU_FW
fanned set of blobs. Ask your AMD representative whether your APU
is considered fanless.
-config SOC_AMD_COMMON_BLOCK_PSP_FUSE_SPL
+config SOC_AMD_COMMON_BLOCK_PSP_SPL
bool
+ help
+ Select this option in the SoC's Kconfig to include the Security Patch
+ Level (SPL) support code. This code will only send the actual SPL
+ fuse update command to the PSP if the PERFORM_SPL_FUSING option is
+ also selected.
+
+config PERFORM_SPL_FUSING
+ bool "Send SPL fusing command to PSP"
default n
- depends on SOC_AMD_COMMON_BLOCK_PSP_GEN2
+ depends on SOC_AMD_COMMON_BLOCK_PSP_SPL
help
- Enable sending of set SPL message to PSP. Enable this option if the platform
- will require SPL fusing to be performed by PSP.
+ Send the Security Patch Level (SPL) fusing command to the PSP in
+ order to update the minimum SPL version to be written to the SoC's
+ fuse bits. This will prevent using any embedded firmware components
+ with lower SPL version.
+
+ If unsure, answer 'n'
+
+config SPL_TABLE_FILE
+ string "SPL table file override"
+ depends on SOC_AMD_COMMON_BLOCK_PSP_SPL
+ help
+ Provide a mainboard-specific Security Patch Level (SPL) table file
+ override. The SPL file is required to support PSP FW anti-rollback
+ and needs to be created by AMD. The default SPL file specified in the
+ SoC's fw.cfg is in the corresponding folder of the amd_blobs submodule
+ and applies to all boards that use the SoC without verstage on PSP.
+ In the verstage on PSP case, a different SPL file is specific as an
+ override via this Kconfig option.
+
+config HAVE_SPL_RW_AB_FILE
+ bool "Have a separate mainboard-specific SPL file in RW A/B partitions"
+ default n
+ depends on SOC_AMD_COMMON_BLOCK_PSP_SPL
+ depends on VBOOT_SLOTS_RW_AB
+ help
+ Have separate mainboard-specific Security Patch Level (SPL) table
+ file for the RW A/B FMAP partitions.
+
+config SPL_RW_AB_TABLE_FILE
+ string "Separate SPL table file override for RW A/B partitions"
+ depends on HAVE_SPL_RW_AB_FILE
config PSP_PLATFORM_SECURE_BOOT
bool "Platform secure boot enable"
diff --git a/src/soc/amd/common/block/psp/Makefile.inc b/src/soc/amd/common/block/psp/Makefile.inc
index a89d4e97f7..d0fbcbe452 100644
--- a/src/soc/amd/common/block/psp/Makefile.inc
+++ b/src/soc/amd/common/block/psp/Makefile.inc
@@ -29,6 +29,6 @@ ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_I2C3_TPM_SHARED_WITH_PSP) += tpm.c
smm-y += psp_gen2.c
smm-y += psp_smm_gen2.c
-ramstage-$(CONFIG_PERFORM_SPL_FUSING) += spl_fuse.c
+ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_PSP_SPL) += spl_fuse.c
endif # CONFIG_SOC_AMD_COMMON_BLOCK_PSP_GEN2
diff --git a/src/soc/amd/common/block/psp/spl_fuse.c b/src/soc/amd/common/block/psp/spl_fuse.c
index d1313fb271..cb1fab0bc0 100644
--- a/src/soc/amd/common/block/psp/spl_fuse.c
+++ b/src/soc/amd/common/block/psp/spl_fuse.c
@@ -38,7 +38,7 @@ static void psp_set_spl_fuse(void *unused)
return;
}
- if (!CONFIG(SOC_AMD_COMMON_BLOCK_PSP_FUSE_SPL))
+ if (!CONFIG(PERFORM_SPL_FUSING))
return;
printk(BIOS_DEBUG, "PSP: SPL Fusing Update Requested.\n");