soc/amd/stoney: Allow alternative placement for AMD FW directory

Allow the AMD FW directory to be placed at one of the alternative
locations within the ROM.

BUG=b:65484600
TEST=Assign PSP firmware location, build & test.

Change-Id: I9c95b9805c60ab6204750f7929049c7382e0c6cd
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/21456
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
This commit is contained in:
Martin Roth 2017-09-08 14:39:35 -06:00 committed by Marc Jones
parent ca3e121607
commit 6d8ef24566
2 changed files with 39 additions and 2 deletions

View File

@ -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

View File

@ -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)))