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-rw-r--r--src/soc/amd/stoneyridge/Kconfig33
-rw-r--r--src/soc/amd/stoneyridge/Makefile.inc8
2 files changed, 39 insertions, 2 deletions
diff --git a/src/soc/amd/stoneyridge/Kconfig b/src/soc/amd/stoneyridge/Kconfig
index bda24af928..4bf1e571f5 100644
--- a/src/soc/amd/stoneyridge/Kconfig
+++ b/src/soc/amd/stoneyridge/Kconfig
@@ -310,4 +310,37 @@ config USE_PSPSCUREOS
If unsure, answer 'y'
+config AMD_FWM_POSITION_INDEX
+ int "Firmware Directory Table location (0 to 5)"
+ range 0 5
+ default 0 if BOARD_ROMSIZE_KB_512
+ default 1 if BOARD_ROMSIZE_KB_1024
+ default 2 if BOARD_ROMSIZE_KB_2048
+ default 3 if BOARD_ROMSIZE_KB_4096
+ default 4 if BOARD_ROMSIZE_KB_8192
+ default 5 if BOARD_ROMSIZE_KB_16384
+ help
+ Typically this is calculated by the ROM size, but there may
+ be situations where you want to put the firmware directory
+ table in a different location.
+ 0: 512 KB - 0xFFFA0000
+ 1: 1 MB - 0xFFF20000
+ 2: 2 MB - 0xFFE20000
+ 3: 4 MB - 0xFFC20000
+ 4: 8 MB - 0xFF820000
+ 5: 16 MB - 0xFF020000
+
+comment "AMD Firmware Directory Table set to location for 512KB ROM"
+ depends on AMD_FWM_POSITION_INDEX = 0
+comment "AMD Firmware Directory Table set to location for 1MB ROM"
+ depends on AMD_FWM_POSITION_INDEX = 1
+comment "AMD Firmware Directory Table set to location for 2MB ROM"
+ depends on AMD_FWM_POSITION_INDEX = 2
+comment "AMD Firmware Directory Table set to location for 4MB ROM"
+ depends on AMD_FWM_POSITION_INDEX = 3
+comment "AMD Firmware Directory Table set to location for 8MB ROM"
+ depends on AMD_FWM_POSITION_INDEX = 4
+comment "AMD Firmware Directory Table set to location for 16MB ROM"
+ depends on AMD_FWM_POSITION_INDEX = 5
+
endif # SOC_AMD_STONEYRIDGE_FP4 || SOC_AMD_STONEYRIDGE_FT4
diff --git a/src/soc/amd/stoneyridge/Makefile.inc b/src/soc/amd/stoneyridge/Makefile.inc
index d56098d648..763f4df820 100644
--- a/src/soc/amd/stoneyridge/Makefile.inc
+++ b/src/soc/amd/stoneyridge/Makefile.inc
@@ -101,7 +101,8 @@ CPPFLAGS_common += -I$(src)/soc/amd/stoneyridge
CPPFLAGS_common += -I$(src)/soc/amd/stoneyridge/include
CPPFLAGS_common += -I$(src)/soc/amd/stoneyridge/acpi
-# ROMSIG At ROMBASE + 0x20000:
+# ROMSIG Normally At ROMBASE + 0x20000
+# Overridden by CONFIG_AMD_FWM_POSITION_INDEX
# +-----------+---------------+----------------+------------+
# |0x55AA55AA |EC ROM Address |GEC ROM Address |USB3 ROM |
# +-----------+---------------+----------------+------------+
@@ -109,7 +110,10 @@ CPPFLAGS_common += -I$(src)/soc/amd/stoneyridge/acpi
# +-----------+
#
# EC ROM should be 64K aligned.
-STONEYRIDGE_FWM_POSITION=$(call int-add, $(call int-subtract, 0xffffffff $(CONFIG_ROM_SIZE)) 0x20000 1)
+STONEYRIDGE_FWM_POSITION=$(call int-add, \
+ $(call int-subtract, 0xffffffff \
+ $(call int-shift-left, \
+ 0x80000 $(CONFIG_AMD_FWM_POSITION_INDEX))) 0x20000 1)
### 0
FIRMWARE_LOCATE=$(dir $(call strip_quotes, $(CONFIG_AMD_PUBKEY_FILE)))