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-rw-r--r--src/mainboard/google/guybrush/Kconfig1
-rw-r--r--src/soc/amd/cezanne/Kconfig13
-rw-r--r--src/soc/amd/cezanne/Makefile.inc11
3 files changed, 22 insertions, 3 deletions
diff --git a/src/mainboard/google/guybrush/Kconfig b/src/mainboard/google/guybrush/Kconfig
index 5a1c98d3a3..8f160fa10e 100644
--- a/src/mainboard/google/guybrush/Kconfig
+++ b/src/mainboard/google/guybrush/Kconfig
@@ -28,6 +28,7 @@ config BOARD_SPECIFIC_OPTIONS
select MAINBOARD_HAS_CHROMEOS
select MAINBOARD_HAS_I2C_TPM_CR50
select MAINBOARD_HAS_TPM2
+ select PSP_DISABLE_POSTCODES
select SOC_AMD_CEZANNE
select SOC_AMD_COMMON_BLOCK_USE_ESPI
diff --git a/src/soc/amd/cezanne/Kconfig b/src/soc/amd/cezanne/Kconfig
index 63baef8ea7..a8d025197d 100644
--- a/src/soc/amd/cezanne/Kconfig
+++ b/src/soc/amd/cezanne/Kconfig
@@ -279,6 +279,19 @@ config AMDFW_CONFIG_FILE
string
default "src/soc/amd/cezanne/fw.cfg"
+config PSP_DISABLE_POSTCODES
+ bool "Disable PSP post codes"
+ help
+ Disables the output of port80 post codes from PSP.
+
+config PSP_POSTCODES_ON_ESPI
+ bool "Use eSPI bus for PSP post codes"
+ default y
+ depends on !PSP_DISABLE_POSTCODES
+ help
+ Select to send PSP port80 post codes on eSPI bus.
+ If not selected, PSP port80 codes will be sent on LPC bus.
+
config PSP_LOAD_MP2_FW
bool
default n
diff --git a/src/soc/amd/cezanne/Makefile.inc b/src/soc/amd/cezanne/Makefile.inc
index 80ce622814..1264a249d3 100644
--- a/src/soc/amd/cezanne/Makefile.inc
+++ b/src/soc/amd/cezanne/Makefile.inc
@@ -80,6 +80,14 @@ CEZANNE_FWM_POSITION=$(call int-add, \
FIRMWARE_LOCATION=$(shell grep -e FIRMWARE_LOCATION $(CONFIG_AMDFW_CONFIG_FILE) | awk '{print $$2}')
+ifeq ($(CONFIG_PSP_DISABLE_POSTCODES),y)
+PSP_SOFTFUSE_BITS += 7
+endif
+
+ifeq ($(CONFIG_PSP_POSTCODES_ON_ESPI),y)
+PSP_SOFTFUSE_BITS += 15
+endif
+
ifeq ($(CONFIG_PSP_UNLOCK_SECURE_DEBUG),y)
# Enable secure debug unlock
PSP_SOFTFUSE_BITS += 0
@@ -122,9 +130,6 @@ APOB_NV_BASE=$(shell awk '$$2 == "FMAP_SECTION_RW_MRC_CACHE_START" {print $$3}'
# type = 0xb - See #55758 (NDA) for bit definitions.
PSP_SOFTFUSE_BITS += 28 6
-#hardcode post code to eSPI
-PSP_SOFTFUSE_BITS += 15
-
# Helper function to return a value with given bit set
set-bit=$(call int-shift-left, 1 $(call _toint,$1))
PSP_SOFTFUSE=$(shell A=$(call int-add, \