soc/mediatek/mt8195: Initialize MCUPM
Load MCUPM firmware and boot up MCUPM in ramstage.
TEST=can see MCUPM log from AP console
Signed-off-by: alex.miao <alex.miao@mediatek.corp-partner.google.com>
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I9e8c45ce7166644b94319ec2e7836d3d3c8008dc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54899
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
diff --git a/src/soc/mediatek/mt8195/Kconfig b/src/soc/mediatek/mt8195/Kconfig
index a1247ab..f9bf846 100644
--- a/src/soc/mediatek/mt8195/Kconfig
+++ b/src/soc/mediatek/mt8195/Kconfig
@@ -19,6 +19,12 @@
select VBOOT_SEPARATE_VERSTAGE
select VBOOT_RETURN_FROM_VERSTAGE
+config MCUPM_FIRMWARE
+ string
+ default "mcupm.bin"
+ help
+ The file name of the MediaTek MCUPM firmware.
+
config FLASH_DUAL_READ
bool
default y
diff --git a/src/soc/mediatek/mt8195/Makefile.inc b/src/soc/mediatek/mt8195/Makefile.inc
index ad71cd9..1f89a58 100644
--- a/src/soc/mediatek/mt8195/Makefile.inc
+++ b/src/soc/mediatek/mt8195/Makefile.inc
@@ -48,6 +48,8 @@
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/mcupm.c
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
@@ -63,6 +65,16 @@
MT8195_BLOB_DIR := 3rdparty/blobs/soc/mediatek/mt8195
+mcu-firmware-files := \
+ $(CONFIG_MCUPM_FIRMWARE)
+
+$(foreach fw, $(call strip_quotes,$(mcu-firmware-files)), \
+ $(eval $(fw)-file := $(MT8195_BLOB_DIR)/$(fw)) \
+ $(eval $(fw)-type := raw) \
+ $(eval $(fw)-compression := LZ4) \
+ $(if $(wildcard $($(fw)-file)), $(eval cbfs-files-y += $(fw)), ) \
+)
+
DRAM_CBFS := $(CONFIG_CBFS_PREFIX)/dram
$(DRAM_CBFS)-file := $(MT8195_BLOB_DIR)/dram.elf
$(DRAM_CBFS)-type := stage
diff --git a/src/soc/mediatek/mt8195/include/soc/addressmap.h b/src/soc/mediatek/mt8195/include/soc/addressmap.h
index 60b730a..e5195ca 100644
--- a/src/soc/mediatek/mt8195/include/soc/addressmap.h
+++ b/src/soc/mediatek/mt8195/include/soc/addressmap.h
@@ -5,6 +5,8 @@
enum {
MCUSYS_BASE = 0x0C530000,
+ MCUPM_SRAM_BASE = 0x0C540000,
+ MCUPM_CFG_BASE = 0x0C560000,
IO_PHYS = 0x10000000,
};
diff --git a/src/soc/mediatek/mt8195/soc.c b/src/soc/mediatek/mt8195/soc.c
index cd161e8..3ebf23d 100644
--- a/src/soc/mediatek/mt8195/soc.c
+++ b/src/soc/mediatek/mt8195/soc.c
@@ -2,6 +2,7 @@
#include <device/device.h>
#include <soc/emi.h>
+#include <soc/mcupm.h>
#include <soc/mmu_operations.h>
#include <soc/ufs.h>
#include <symbols.h>
@@ -14,6 +15,7 @@
static void soc_init(struct device *dev)
{
mtk_mmu_disable_l2c_sram();
+ mcupm_init();
ufs_disable_refclk();
}