Change in coreboot[master]: soc/mediatek/mt8186: initialize sspm

[Rex-BC Chen (Code Review)]

Attention is currently required from: Hung-Te Lin.
Rex-BC Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59340 )

Change subject: soc/mediatek/mt8186: initialize sspm
......................................................................

soc/mediatek/mt8186: initialize sspm

Add drivers of loading sspm.bin.

TEST=build pass
BUG=b:202871018

Signed-off-by: Rex-BC Chen 
Change-Id: I92eb501a1e48dd02d2f94ff392933261e6a42391
---
M src/soc/mediatek/mt8186/Kconfig
M src/soc/mediatek/mt8186/Makefile.inc
M src/soc/mediatek/mt8186/include/soc/addressmap.h
M src/soc/mediatek/mt8186/soc.c
4 files changed, 24 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/40/59340/1

diff --git a/src/soc/mediatek/mt8186/Kconfig b/src/soc/mediatek/mt8186/Kconfig
index 9b8708a..dc3f9bb 100644
--- a/src/soc/mediatek/mt8186/Kconfig
+++ b/src/soc/mediatek/mt8186/Kconfig
@@ -16,6 +16,12 @@
    select VBOOT_SEPARATE_VERSTAGE
    select VBOOT_RETURN_FROM_VERSTAGE

+config SSPM_FIRMWARE
+	string
+	default "sspm.bin"
+	help
+	  The file name of the MediaTek SSPM firmware.
+
 config FLASH_DUAL_READ
    bool
    default y
diff --git a/src/soc/mediatek/mt8186/Makefile.inc b/src/soc/mediatek/mt8186/Makefile.inc
index 0646f6c..00b12e8 100644
--- a/src/soc/mediatek/mt8186/Makefile.inc
+++ b/src/soc/mediatek/mt8186/Makefile.inc
@@ -41,10 +41,12 @@
 ramstage-y += ../common/flash_controller.c
 ramstage-y += ../common/gpio.c gpio.c
 ramstage-y += ../common/i2c.c i2c.c
+ramstage-y += ../common/mcu.c
 ramstage-y += ../common/mmu_operations.c ../common/mmu_cmops.c
 ramstage-$(CONFIG_COMMONLIB_STORAGE_MMC) += ../common/msdc.c msdc.c
 ramstage-$(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/usb.c usb.c
@@ -54,6 +56,18 @@
 CPPFLAGS_common += -Isrc/soc/mediatek/mt8186/include
 CPPFLAGS_common += -Isrc/soc/mediatek/common/include

+MT8186_BLOB_DIR := 3rdparty/blobs/soc/mediatek/mt8186
+
+mcu-firmware-files := \
+	$(CONFIG_SSPM_FIRMWARE)
+
+$(foreach fw, $(call strip_quotes,$(mcu-firmware-files)), \
+	  $(eval $(fw)-file := $(MT8186_BLOB_DIR)/$(fw)) \
+	  $(eval $(fw)-type := raw) \
+	  $(eval $(fw)-compression := LZ4) \
+	  $(if $(wildcard $($(fw)-file)), $(eval cbfs-files-y += $(fw)), ) \
+)
+
 $(objcbfs)/bootblock.bin: $(objcbfs)/bootblock.raw.bin
    ./util/mtkheader/gen-bl-img.py mt8183 sf $< $@

diff --git a/src/soc/mediatek/mt8186/include/soc/addressmap.h b/src/soc/mediatek/mt8186/include/soc/addressmap.h
index cabafb6..6a5ce5c 100644
--- a/src/soc/mediatek/mt8186/include/soc/addressmap.h
+++ b/src/soc/mediatek/mt8186/include/soc/addressmap.h
@@ -45,6 +45,8 @@
    EMI0_BASE			= IO_PHYS + 0x00219000,
    EMI0_MPU_BASE			= IO_PHYS + 0x0021B000,
    DRAMC_CHA_AO_BASE		= IO_PHYS + 0x00220000,
+	SSPM_SRAM_BASE			= IO_PHYS + 0x00400000,
+	SSPM_CFG_BASE			= IO_PHYS + 0x00440000,
    SFLASH_REG_BASE			= IO_PHYS + 0x01000000,
    AUXADC_BASE			= IO_PHYS + 0x01001000,
    UART0_BASE			= IO_PHYS + 0x01002000,
diff --git a/src/soc/mediatek/mt8186/soc.c b/src/soc/mediatek/mt8186/soc.c
index dcb9703..e20b447 100644
--- a/src/soc/mediatek/mt8186/soc.c
+++ b/src/soc/mediatek/mt8186/soc.c
@@ -3,6 +3,7 @@
 #include <device/device.h>
 #include <soc/emi.h>
 #include <soc/mmu_operations.h>
+#include <soc/sspm.h>
 #include <symbols.h>

static void soc_read_resources(struct device *dev)
@@ -13,6 +14,7 @@
 static void soc_init(struct device *dev)
 {
    mtk_mmu_disable_l2c_sram();
+	sspm_init();
 }

static struct device_operations soc_ops = {