src/platform: Add "mtk" Zephyr platform for MediaTek DSPs

app/boards/mt8186_mt8186_adsp.conf

@@ -0,0 +1,6 @@
+# Boilerplate.  Because the "Platform" is a kconfig "choice" (of which
+# "MTK" is an member), it can't be selected automatically from other
+# kconfigs, nor expressed as a default.  Don't put anything else here.
+# Board-level config goes in Zephyr (and ideally in DTS).  App-level
+# config goes in prj.conf.
+CONFIG_MTK=y

app/boards/mt8188_mt8188_adsp.conf

@@ -0,0 +1,6 @@
+# Boilerplate.  Because the "Platform" is a kconfig "choice" (of which
+# "MTK" is an member), it can't be selected automatically from other
+# kconfigs, nor expressed as a default.  Don't put anything else here.
+# Board-level config goes in Zephyr (and ideally in DTS).  App-level
+# config goes in prj.conf.
+CONFIG_MTK=y

app/boards/mt8195_mt8195_adsp.conf

@@ -0,0 +1,6 @@
+# Boilerplate.  Because the "Platform" is a kconfig "choice" (of which
+# "MTK" is an member), it can't be selected automatically from other
+# kconfigs, nor expressed as a default.  Don't put anything else here.
+# Board-level config goes in Zephyr (and ideally in DTS).  App-level
+# config goes in prj.conf.
+CONFIG_MTK=y

app/boards/mt8196_mt8196_adsp.conf

@@ -0,0 +1,6 @@
+# Boilerplate.  Because the "Platform" is a kconfig "choice" (of which
+# "MTK" is an member), it can't be selected automatically from other
+# kconfigs, nor expressed as a default.  Don't put anything else here.
+# Board-level config goes in Zephyr (and ideally in DTS).  App-level
+# config goes in prj.conf.
+CONFIG_MTK=y

scripts/xtensa-build-zephyr.py

@@ -104,6 +104,28 @@ class PlatformConfig:
 		"rmb_LX7_HiFi5_PROD",
 		RIMAGE_KEY = "key param ignored by acp_6_0"
 	),
+	# MediaTek platforms
+	# (move to platform_configs_all on next Zephyr SDK release after 0.17.0)
+	"mt8195" : PlatformConfig(
+		"mtk", "mt8195/mt8195/adsp",
+		f"RJ-2024.3{xtensa_tools_version_postfix}",
+		"hifi4_8195_PROD",
+	),
+	"mt8186" : PlatformConfig(
+		"mtk", "mt8186/mt8186/adsp",
+		f"RJ-2024.3{xtensa_tools_version_postfix}",
+		"hifi5_7stg_I64D128",
+	),
+	"mt8188" : PlatformConfig(
+		"mtk", "mt8188/mt8188/adsp",
+		f"RJ-2024.3{xtensa_tools_version_postfix}",
+		"hifi5_7stg_I64D128",
+	),
+	"mt8196" : PlatformConfig(
+		"mtk", "mt8196/mt8196/adsp",
+		f"RJ-2024.3{xtensa_tools_version_postfix}",
+		"HiFi5_MPU_lock_2023_11",
+	),
 }
 
 # These can all be built out of the box. --all builds all these.
@@ -1173,7 +1195,7 @@ def gzip_compress(fname, gzdst=None):
 
 RI_INFO_UNSUPPORTED += ['imx8', 'imx8x', 'imx8m', 'imx8ulp', 'imx95']
 RI_INFO_UNSUPPORTED += ['rn', 'acp_6_0']
-RI_INFO_UNSUPPORTED += ['mt8186', 'mt8195']
+RI_INFO_UNSUPPORTED += ['mt8186', 'mt8188', 'mt8195', 'mt8196']
 
 # For temporary workarounds. Unlike _UNSUPPORTED above, the platforms below will print a warning.
 RI_INFO_FIXME = [ ]

src/drivers/mediatek/afe/afe-dai.c

@@ -27,6 +27,7 @@
 SOF_DEFINE_REG_UUID(afe_dai);
 
 DECLARE_TR_CTX(afe_dai_tr, SOF_UUID(afe_dai_uuid), LOG_LEVEL_INFO);
+LOG_MODULE_DECLARE(mtk_afe, CONFIG_SOF_LOG_LEVEL);
 
 static int afe_dai_drv_trigger(struct dai *dai, int cmd, int direction)
 {

src/drivers/mediatek/afe/afe-drv.c

@@ -29,6 +29,7 @@ static struct mtk_base_afe mtk_afe;
 SOF_DEFINE_REG_UUID(afedrv);
 
 DECLARE_TR_CTX(afedrv_tr, SOF_UUID(afedrv_uuid), LOG_LEVEL_INFO);
+LOG_MODULE_DECLARE(mtk_afe, CONFIG_SOF_LOG_LEVEL);
 
 static inline void afe_reg_read(struct mtk_base_afe *afe, uint32_t reg, uint32_t *value)
 {

src/drivers/mediatek/afe/afe-memif.c

@@ -29,6 +29,7 @@
 SOF_DEFINE_REG_UUID(memif);
 
 DECLARE_TR_CTX(memif_tr, SOF_UUID(memif_uuid), LOG_LEVEL_INFO);
+LOG_MODULE_REGISTER(mtk_afe, CONFIG_SOF_LOG_LEVEL);
 
 struct afe_memif_dma {
 	int direction; /* 1 downlink, 0 uplink */

src/platform/Kconfig

@@ -231,7 +231,7 @@ config ACP_7_0
 	 Select if your target platform is acp_7_0-compatible
 
 config MT8186
-	bool "Build for MTK MT8186"
+	bool "Build for MTK MT8186 (XTOS)"
 	select XT_INTERRUPT_LEVEL_1
 	select XT_INTERRUPT_LEVEL_2
 	select XT_INTERRUPT_LEVEL_3
@@ -244,9 +244,10 @@ config MT8186
 	select SCHEDULE_DMA_MULTI_CHANNEL
 	help
 	 Select if your target platform is mt8186-compatible
+	 Builds legacy/xtos firmware
 
 config MT8188
-	bool "Build for MTK MT8188"
+	bool "Build for MTK MT8188 (XTOS)"
 	select XT_INTERRUPT_LEVEL_1
 	select XT_INTERRUPT_LEVEL_2
 	select XT_INTERRUPT_LEVEL_3
@@ -259,9 +260,10 @@ config MT8188
 	select SCHEDULE_DMA_MULTI_CHANNEL
 	help
 	 Select if your target platform is mt8188-compatible.
+	 Builds legacy/xtos firmware
 
 config MT8195
-	bool "Build for MTK MT8195"
+	bool "Build for MTK MT8195 (XTOS)"
 	select XT_INTERRUPT_LEVEL_1
 	select XT_INTERRUPT_LEVEL_2
 	select XT_INTERRUPT_LEVEL_3
@@ -272,6 +274,14 @@ config MT8195
 	select SCHEDULE_DMA_MULTI_CHANNEL
 	help
 	  Select if your target platform is mt8195-compatible
+	  Builds legacy/xtos firmware
+
+config MTK
+	bool "Build for Mediatek (Zephyr)"
+	select SCHEDULE_DMA_MULTI_CHANNEL
+	select HOST_PTABLE
+	help
+	  Select if your target is a Mediatek DSP.  Builds Zephyr firmware.
 
 endchoice