soc/mediatek: Initialize SSPM

Load SSPM firmware and boot up SSPM in ramstage.
This adds 23ms to the boot time.

TEST=Load SSPM blob ok, and we can see some logs of SSPM from AP.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: Ia227ea9f7d58129068cb36ec2de7d9feb677006b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55051
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Rex-BC Chen 2021-05-03 20:44:09 +08:00 committed by Hung-Te Lin
parent aea59401d0
commit ab2cbf79b5
3 changed files with 11 additions and 1 deletions

View File

@ -25,6 +25,12 @@ config MCUPM_FIRMWARE
help
The file name of the MediaTek MCUPM firmware.
config SSPM_FIRMWARE
string
default "sspm.bin"
help
The file name of the MediaTek SSPM firmware.
config FLASH_DUAL_READ
bool
default y

View File

@ -54,6 +54,7 @@ ramstage-y += ../common/mmu_operations.c mmu_operations.c
ramstage-y += ../common/mtcmos.c mtcmos.c
ramstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c
ramstage-y += soc.c
ramstage-y += ../common/sspm.c
ramstage-y += ../common/timer.c timer.c
ramstage-y += ../common/uart.c
ramstage-y += ../common/ufs.c
@ -66,7 +67,8 @@ BL31_MAKEARGS += PLAT=mt8195
MT8195_BLOB_DIR := 3rdparty/blobs/soc/mediatek/mt8195
mcu-firmware-files := \
$(CONFIG_MCUPM_FIRMWARE)
$(CONFIG_MCUPM_FIRMWARE) \
$(CONFIG_SSPM_FIRMWARE)
$(foreach fw, $(call strip_quotes,$(mcu-firmware-files)), \
$(eval $(fw)-file := $(MT8195_BLOB_DIR)/$(fw)) \

View File

@ -4,6 +4,7 @@
#include <soc/emi.h>
#include <soc/mcupm.h>
#include <soc/mmu_operations.h>
#include <soc/sspm.h>
#include <soc/ufs.h>
#include <symbols.h>
@ -16,6 +17,7 @@ static void soc_init(struct device *dev)
{
mtk_mmu_disable_l2c_sram();
mcupm_init();
sspm_init();
ufs_disable_refclk();
}