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-rw-r--r--src/soc/mediatek/common/dpm_v2.c45
-rw-r--r--src/soc/mediatek/common/include/soc/dpm_v2.h22
-rw-r--r--src/soc/mediatek/mt8196/Kconfig11
-rw-r--r--src/soc/mediatek/mt8196/Makefile.mk13
4 files changed, 91 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/dpm_v2.c b/src/soc/mediatek/common/dpm_v2.c
new file mode 100644
index 0000000000..b0f0dbcb88
--- /dev/null
+++ b/src/soc/mediatek/common/dpm_v2.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/mmio.h>
+#include <soc/dpm_v2.h>
+#include <soc/mcu_common.h>
+#include <soc/symbols.h>
+
+static struct mtk_mcu dpm_mcu[] = {
+ {
+ .firmware_name = CONFIG_DPM_DM_FIRMWARE,
+ .run_address = (void *)DPM_DM_SRAM_BASE,
+ },
+ {
+ .firmware_name = CONFIG_DPM_PM_FIRMWARE,
+ .run_address = (void *)DPM_PM_SRAM_BASE,
+ .reset = dpm_reset,
+ },
+};
+
+void dpm_reset(struct mtk_mcu *mcu)
+{
+ /* free RST */
+ setbits32p(DPM_CFG_CH0 + DPM_RST_OFFSET, DPM_SW_RSTN);
+}
+
+int dpm_init(void)
+{
+ int i;
+ struct mtk_mcu *dpm;
+ u32 dramc_wbr_backup = read32p(DRAMC_WBR);
+
+ setbits32p(DRAMC_WBR, ENABLE_DRAMC_WBR_MASK);
+
+ for (i = 0; i < ARRAY_SIZE(dpm_mcu); i++) {
+ dpm = &dpm_mcu[i];
+ dpm->load_buffer = _dram_dma;
+ dpm->buffer_size = REGION_SIZE(dram_dma);
+ if (mtk_init_mcu(dpm))
+ return -1;
+ }
+
+ write32p(DRAMC_WBR, dramc_wbr_backup);
+
+ return 0;
+}
diff --git a/src/soc/mediatek/common/include/soc/dpm_v2.h b/src/soc/mediatek/common/include/soc/dpm_v2.h
new file mode 100644
index 0000000000..c11a9bb2da
--- /dev/null
+++ b/src/soc/mediatek/common/include/soc/dpm_v2.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_COMMON_DPM_V2_H__
+#define __SOC_MEDIATEK_COMMON_DPM_V2_H__
+
+#include <soc/addressmap.h>
+#include <soc/mcu_common.h>
+
+#define DPM_RST_OFFSET 0x7074
+#define DPM_SW_RSTN BIT(0)
+
+#define DPM_CFG_CH0 DPM_CFG_BASE
+#define DPM_BARGS_CH0_REG0 (DPM_CFG_BASE + 0x6004)
+#define DPM_BARGS_CH0_REG1 (DPM_CFG_BASE + 0x6008)
+#define DRAMC_WBR (INFRACFG_AO_BASE + 0x0b4)
+
+#define ENABLE_DRAMC_WBR_MASK 0x2ffff
+
+void dpm_reset(struct mtk_mcu *mcu);
+int dpm_init(void);
+
+#endif /* __SOC_MEDIATEK_COMMON_DPM_V2_H__ */
diff --git a/src/soc/mediatek/mt8196/Kconfig b/src/soc/mediatek/mt8196/Kconfig
index 69823e4fa8..c934761ffb 100644
--- a/src/soc/mediatek/mt8196/Kconfig
+++ b/src/soc/mediatek/mt8196/Kconfig
@@ -26,4 +26,15 @@ config VBOOT
select VBOOT_RETURN_FROM_VERSTAGE
select VBOOT_DEFINE_WIDEVINE_COUNTERS
+config DPM_DM_FIRMWARE
+ string
+ default "dpm.dm"
+ help
+ The file name of the MediaTek DPM DM firmware.
+
+config DPM_PM_FIRMWARE
+ string
+ default "dpm.pm"
+ help
+ The file name of the MediaTek DPM PM firmware.
endif
diff --git a/src/soc/mediatek/mt8196/Makefile.mk b/src/soc/mediatek/mt8196/Makefile.mk
index 3a1d103a8e..c0b491452e 100644
--- a/src/soc/mediatek/mt8196/Makefile.mk
+++ b/src/soc/mediatek/mt8196/Makefile.mk
@@ -29,9 +29,11 @@ romstage-y += ../common/memory.c memory.c
romstage-y += ../common/memory_test.c
romstage-y += ../common/mmu_operations.c ../common/mmu_cmops.c
+ramstage-y += ../common/dpm_v2.c
ramstage-y += ../common/early_init.c
ramstage-y += ../common/emi.c
ramstage-y += l2c_ops.c
+ramstage-y += ../common/mcu.c
ramstage-y += ../common/mmu_operations.c ../common/mmu_cmops.c
ramstage-$(CONFIG_PCI) += ../common/pcie.c pcie.c
ramstage-y += soc.c
@@ -42,6 +44,17 @@ CPPFLAGS_common += -Isrc/soc/mediatek/common/include
MT8196_BLOB_DIR := 3rdparty/blobs/soc/mediatek/mt8196
+mcu-firmware-files := \
+ $(CONFIG_DPM_DM_FIRMWARE) \
+ $(CONFIG_DPM_PM_FIRMWARE)
+
+$(foreach fw, $(call strip_quotes,$(mcu-firmware-files)), \
+ $(eval $(fw)-file := $(MT8196_BLOB_DIR)/$(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 := $(MT8196_BLOB_DIR)/dram.elf
$(DRAM_CBFS)-type := stage