eth: gmac: adapt to support DMA 32-bit in skb

arch/riscv/boot/dts/thead/Makefile

@@ -13,7 +13,8 @@ dtb-$(CONFIG_SOC_THEAD) += light-a-val-npu-fce.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-iso7816.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-nand.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-audio.dtb
-dtb-$(CONFIG_SOC_THEAD) += light-a-val-dsi0.dtb light-a-val-dsi1.dtb light-a-val-hdmi.dtb light-a-val-dsi0-dsi1.dtb light-a-val-dsi0-hdmi.dtb light-a-val-dpi0.dtb light-a-val-dpi0-dpi1.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-a-val-audio-tdm.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-a-val-dsi0.dtb light-a-val-dsi1.dtb light-a-val-hdmi.dtb light-a-val-dsi0-dsi1.dtb light-a-val-dsi0-hdmi.dtb light-a-val-dsi0-hdmi-audio.dtb light-a-val-dpi0.dtb light-a-val-dpi0-dpi1.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-wcn.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-gpio-keys.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-khv.dtb

arch/riscv/boot/dts/thead/fire.dtsi

@@ -373,7 +373,7 @@
 			entry-cnt = <4>;
 			control-reg = <0xff 0xff015004>;
 			control-val = <0x1c>;
-			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc 0x7ce>;
 		};
 
 		clint0: clint@ffdc000000 {
@@ -1335,8 +1335,7 @@
 
 		emmc: sdhci@ffe7080000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7080000 0x0 0x10000
+			reg = <0xff 0xe7080000 0x0 0x10000>;
-			       0xff 0xef014060 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <62>;
 			interrupt-names = "sdhciirq";
@@ -1346,8 +1345,7 @@
 
 		sdhci0: sd@ffe7090000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7090000 0x0 0x10000
+			reg = <0xff 0xe7090000 0x0 0x10000>;
-			       0xff 0xef014064 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <64>;
 			interrupt-names = "sdhci0irq";
@@ -1357,8 +1355,7 @@
 
 		sdhci1: sd@ffe70a0000 {
 		        compatible = "snps,dwcmshc-sdhci";
-		        reg = <0xff 0xe70a0000 0x0 0x10000
+		        reg = <0xff 0xe70a0000 0x0 0x10000>;
-		               0xff 0xef014064 0x0 0x4>;
 		        interrupt-parent = <&intc>;
 		        interrupts = <71>;
 		        interrupt-names = "sdhci1irq";

arch/riscv/boot/dts/thead/light-a-val-audio-hdmi.dts

@@ -5,7 +5,7 @@
 
 /dts-v1/;
 
-#include "light-a-val.dts"
+#include "light-a-val-audio.dts"
 
 / {
 	display-subsystem {
@@ -40,28 +40,6 @@
 
 &lightsound {
 	status = "okay";
-
-        simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
-                reg = <0>;
-                format = "i2s";
-                cpu {
-                        sound-dai = <&i2s0 0>;
-                };
-                codec {
-                        sound-dai = <&es8156_audio_codec>;
-                };
-        };
-
-        simple-audio-card,dai-link@1 {          /* I2S - AUDIO SYS CODEC 7210*/
-                reg = <1>;
-                format = "i2s";
-                cpu {
-                        sound-dai = <&i2s3 0>;
-                };
-                codec {
-                        sound-dai = <&es7210_audio_codec>;
-                };
-        };
 	
 	simple-audio-card,dai-link@2 {          /* I2S - HDMI */
 		reg = <2>;
@@ -77,13 +55,4 @@
 
 &light_i2s {
         status = "okay";
-};
+};
-
-&i2s0 {
-        status = "okay";
-};
-
-&i2s3 {
-        status = "okay";
-};
-

arch/riscv/boot/dts/thead/light-a-val-audio-tdm.dts

@@ -0,0 +1,125 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+#include "light-a-val.dts"
+
+&tdm_slot1 {
+	status = "okay";
+};
+
+&tdm_slot2 {
+	status = "okay";
+};
+
+&tdm_slot3 {
+	status = "okay";
+};
+
+&tdm_slot4 {
+	status = "okay";
+};
+
+&tdm_slot5 {
+	status = "okay";
+};
+
+&tdm_slot6 {
+	status = "okay";
+};
+
+&tdm_slot7 {
+	status = "okay";
+};
+
+&tdm_slot8 {
+	status = "okay";
+};
+
+&audio_i2c0 {
+        clock-frequency = <100000>;
+        status = "okay";
+
+        es7210_adc2: es7210@42 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_0";
+                reg = <0x42>;
+		work-mode = "ES7210_TDM_1LRCK_DSPB";
+                channels-max = <8>;
+                sound-name-prefix = "ES7210_ADC2";
+        };
+
+        es7210_adc3: es7210@43 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_1";
+                reg = <0x43>;
+		work-mode = "ES7210_TDM_1LRCK_DSPB";
+                channels-max = <8>;
+                sound-name-prefix = "ES7210_ADC3";
+		status = "okay";
+        };
+};
+
+&lightsound {
+        status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
+        simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
+                reg = <0>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s0 0>;
+                };
+                codec {
+                        sound-dai = <&es8156_audio_codec>;
+                };
+        };
+
+        simple-audio-card,dai-link@1 {          /* TDM - AUDIO SYS CODEC 7210*/
+                reg = <1>;
+                format = "dsp_b";
+                cpu@0 {
+                        sound-dai = <&tdm_slot1 0>;
+                };
+                cpu@1 {
+                        sound-dai = <&tdm_slot2 1>;
+                };
+                cpu@2 {
+                        sound-dai = <&tdm_slot3 2>;
+                };
+                cpu@3 {
+                        sound-dai = <&tdm_slot4 3>;
+                };
+                cpu@4 {
+                        sound-dai = <&tdm_slot5 4>;
+                };
+                cpu@5 {
+                        sound-dai = <&tdm_slot6 5>;
+                };
+                cpu@6 {
+                        sound-dai = <&tdm_slot7 6>;
+                };
+                cpu@7 {
+                        sound-dai = <&tdm_slot8 7>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+};
+
+&light_i2s {
+	status = "okay";
+};
+
+&i2s0 {
+        status = "okay";
+};
+
+&i2s3 {
+        status = "okay";
+};

arch/riscv/boot/dts/thead/light-a-val-audio.dts

@@ -10,9 +10,25 @@
 	compatible = "thead,light-val-audio", "thead,light";
 };
 
-&lightsound {
+&audio_i2c0 {
-	status = "okay";
+        clock-frequency = <100000>;
+        status = "okay";
 
+        es7210_audio_codec: es7210@40 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_0";
+                reg = <0x40>;
+                sound-name-prefix = "ES7210";
+        };
+};
+
+&lightsound {
+        status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";

arch/riscv/boot/dts/thead/light-a-val-ddr1G.dts

@@ -11,7 +11,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x40000000>;
+		reg = <0x0 0x200000 0x0 0x3fe00000>;
 	};
 };
 

arch/riscv/boot/dts/thead/light-a-val-ddr2G.dts

@@ -11,7 +11,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 };
 

arch/riscv/boot/dts/thead/light-a-val-dsi0-hdmi-audio.dts

@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+/dts-v1/;
+
+#include "light-a-val-dsi0-hdmi.dts"
+
+&audio_i2c0 {
+        status = "okay";
+
+        es7210_audio_codec: es7210@40 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_0";
+                reg = <0x40>;
+                sound-name-prefix = "ES7210";
+        };
+};
+
+&lightsound {
+        status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
+        simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
+                reg = <0>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s0 0>;
+                };
+                codec {
+                        sound-dai = <&es8156_audio_codec>;
+                };
+        };
+        simple-audio-card,dai-link@1 {          /* I2S - AUDIO SYS CODEC 7210*/
+                reg = <1>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s3 0>;
+                };
+                codec {
+                        sound-dai = <&es7210_audio_codec>;
+                };
+        };
+        simple-audio-card,dai-link@2 {          /* I2S - HDMI */
+                reg = <2>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&light_i2s 1>;
+                };
+                codec {
+                        sound-dai = <&dummy_codec>;
+                };
+        };
+};
+
+&light_i2s {
+        status = "okay";
+};
+
+&i2s0 {
+        status = "okay";
+};
+
+&i2s3 {
+        status = "okay";
+};
+

arch/riscv/boot/dts/thead/light-a-val-full.dts

@@ -93,9 +93,25 @@
 	};
 };
 
-&lightsound {
+&audio_i2c0 {
+        clock-frequency = <100000>;
         status = "okay";
 
+        es7210_audio_codec: es7210@40 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_0";
+                reg = <0x40>;
+                sound-name-prefix = "ES7210";
+        };
+};
+
+&lightsound {
+        status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -106,7 +122,7 @@
                         sound-dai = <&es8156_audio_codec>;
                 };
         };
-
+ 
         simple-audio-card,dai-link@1 {          /* I2S - AUDIO SYS CODEC 7210*/
                 reg = <1>;
                 format = "i2s";
@@ -118,19 +134,19 @@
                 };
         };
 };
-
+ 
 &light_i2s {
         status = "okay";
 };
-
+ 
 &i2s0 {
         status = "okay";
 };
-
+ 
 &i2s3 {
         status = "okay";
 };
-
+ 
 &qspi0 {
 	status = "okay";
 };

arch/riscv/boot/dts/thead/light-a-val-miniapp-hdmi.dts

@@ -38,6 +38,18 @@
 	};
 };
 
+&audio_i2c0 {
+        clock-frequency = <100000>;
+        status = "okay";
+
+        es7210_audio_codec: es7210@40 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_0";
+                reg = <0x40>;
+                sound-name-prefix = "ES7210";
+        };
+};
+
 &lightsound {
 	status = "okay";
 

arch/riscv/boot/dts/thead/light-a-val-sec.dts

@@ -5,7 +5,7 @@
 
 /dts-v1/;
 
-#include "light-a-val-dsi0-hdmi.dts"
+#include "light-a-val-dsi0-hdmi-audio.dts"
 
 
 &light_iopmp {

arch/riscv/boot/dts/thead/light-a-val.dts

@@ -193,8 +193,9 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
+		sound-name-prefix = "DUMMY";
 		status = "okay";
 	};
 
@@ -561,12 +562,27 @@
                #sound-dai-cells = <0>;
                compatible = "everest,es8156";
                reg = <0x08>;
+               sound-name-prefix = "ES8156";
        };
 
-        es7210_audio_codec: es7210@40 {
+        audio_aw87519_pa: amp@58 {
-                #sound-dai-cells = <0>;
+                compatible = "awinic,aw87519_pa";
-                compatible = "MicArray_0";
+                reg = <0x58>;
-                reg = <0x40>;
+                reset-gpio = <&pcal6408ahk_b 3 0x1>;
+                sound-name-prefix = "AW87519";
+                status = "okay";
+        };
+};
+
+&audio_i2c1 {
+        clock-frequency = <100000>;
+        status = "okay";
+
+        pcal6408ahk_b: gpio@20 {
+                compatible = "nxp,pcal9554b";
+                reg = <0x20>;
+                gpio-controller;
+                #gpio-cells = <2>;
         };
 };
 
@@ -848,8 +864,27 @@
 
 			pinctrl_volume: volume_grp {
 				thead,pins = <
-					FM_CPU_JTG_TDI  0x3     0x208
+					FM_CPU_JTG_TDI  0x3     0x238
-					FM_CPU_JTG_TDO  0x3     0x208
+					FM_CPU_JTG_TDO  0x3     0x238
+				>;
+			};
+	};
+};
+
+&padctrl_audiosys {
+
+	status = "okay";
+
+	light-audio-padctrl {
+			/*
+			 * Pin Configuration Node:
+			 * Format: <pin_id mux_node config>
+			 */
+
+			pinctrl_audio_i2c1: audio_i2c1_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA6	  0x2 0x008
+					FM_AUDIO_IO_PA7   0x2 0x008
 				>;
 			};
 	};

arch/riscv/boot/dts/thead/light-ant-discrete.dts

@@ -15,7 +15,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 
 	chosen {
@@ -194,9 +194,10 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -585,18 +586,21 @@
                #sound-dai-cells = <0>;
                compatible = "everest,es8156";
                reg = <0x08>;
+               sound-name-prefix = "ES8156";
        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
         };
 
-	audio_aw87519_pa@58 {
+	audio_aw87519_pa: amp@58 {
 		compatible = "awinic,aw87519_pa";
 		reg = <0x58>;
 		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+		sound-name-prefix = "AW87519";
 		status = "okay";
 	};
 };
@@ -2091,6 +2095,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -2118,7 +2127,7 @@
                         sound-dai = <&light_i2s 1>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&dummy_codec>;
                 };
         };
 };

arch/riscv/boot/dts/thead/light-ant-ref.dts

@@ -15,7 +15,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 
 	chosen {
@@ -194,9 +194,10 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -238,7 +239,8 @@
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		pinctrl-0 = <&pinctrl_volume>;
+		pinctrl-0 = <&pinctrl_volume_up
+				&pinctrl_volume_down>;
 		pinctrl-names = "default";
 		key-volumedown {
 			label = "Volume Down Key";
@@ -592,18 +594,21 @@
                #sound-dai-cells = <0>;
                compatible = "everest,es8156";
                reg = <0x08>;
+               sound-name-prefix = "ES8156";
        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
         };
 
-	audio_aw87519_pa@58 {
+	audio_aw87519_pa: amp@58 {
 		compatible = "awinic,aw87519_pa";
 		reg = <0x58>;
 		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+		sound-name-prefix = "AW87519";
 		status = "okay";
 	};
 };
@@ -797,6 +802,12 @@
 					FM_GPIO3_2	0x1	0x208	/* pwm0 */
 				>;
 			};
+
+			pinctrl_volume_up: volume_up_grp {
+				thead,pins = <
+					FM_GPIO2_25   0x0     0x238
+				>;
+			};
 		};
 };
 
@@ -842,9 +853,9 @@
 				>;
 			};
 
-			pinctrl_volume: volume_grp {
+			pinctrl_volume_down: volume_down_grp {
 				thead,pins = <
-					FM_CLK_OUT_2  0x3     0x208
+					FM_CLK_OUT_2  0x3     0x238
 				>;
 			};
 		};
@@ -2265,6 +2276,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -2292,7 +2308,7 @@
                         sound-dai = <&light_i2s 1>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&dummy_codec>;
                 };
         };
 };

arch/riscv/boot/dts/thead/light-b-product-ddr1G.dts

@@ -11,7 +11,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x40000000>;
+		reg = <0x0 0x200000 0x0 0x3fe00000>;
 	};
 };
 

arch/riscv/boot/dts/thead/light-b-product.dts

@@ -15,7 +15,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 
 	chosen {
@@ -194,9 +194,10 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -605,18 +606,21 @@
                #sound-dai-cells = <0>;
                compatible = "everest,es8156";
                reg = <0x08>;
+               sound-name-prefix = "ES8156";
        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
         };
 
-	audio_aw87519_pa@58 {
+	audio_aw87519_pa: amp@58 {
 		compatible = "awinic,aw87519_pa";
 		reg = <0x58>;
 		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+		sound-name-prefix = "AW87519";
 		status = "okay";
 	};
 };
@@ -880,8 +884,8 @@
 
 			pinctrl_volume: volume_grp {
 				thead,pins = <
-					FM_AOGPIO_11  0x0     0x208
+					FM_AOGPIO_11  0x0     0x238
-					FM_AOGPIO_10  0x3     0x208
+					FM_AOGPIO_10  0x3     0x238
 				>;
 			};
 	};
@@ -2313,6 +2317,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -2340,7 +2349,7 @@
                         sound-dai = <&light_i2s 1>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&dummy_codec>;
                 };
         };
 };

arch/riscv/boot/dts/thead/light-beagle-ref.dts

@@ -15,7 +15,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 
 	chosen {
@@ -194,9 +194,10 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -573,18 +574,21 @@
                #sound-dai-cells = <0>;
                compatible = "everest,es8156";
                reg = <0x08>;
+               sound-name-prefix = "ES8156";
        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
         };
 
-	audio_aw87519_pa@58 {
+	audio_aw87519_pa: amp@58 {
 		compatible = "awinic,aw87519_pa";
 		reg = <0x58>;
 		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+		sound-name-prefix = "AW87519";
 		status = "okay";
 	};
 };
@@ -2249,6 +2253,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -2276,7 +2285,7 @@
                         sound-dai = <&light_i2s 1>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&dummy_codec>;
                 };
         };
 };

arch/riscv/boot/dts/thead/light-crash.dts

@@ -191,8 +191,9 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
+		sound-name-prefix = "DUMMY";
 		status = "okay";
 	};
 
@@ -341,18 +342,21 @@
                #sound-dai-cells = <0>;
                compatible = "everest,es8156";
                reg = <0x08>;
+               sound-name-prefix = "ES8156";
        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
         };
 
-	audio_aw87519_pa@58 {
+	audio_aw87519_pa: amp@58 {
 		compatible = "awinic,aw87519_pa";
 		reg = <0x58>;
 		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+		sound-name-prefix = "AW87519";
 		status = "okay";
 	};
 };

arch/riscv/boot/dts/thead/light-emu.dtsi

@@ -309,7 +309,7 @@
 			entry-cnt = <4>;
 			control-reg = <0xff 0xff015004>;
 			control-val = <0x1c>;
-			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc 0x7ce>;
 		};
 
 		clint0: clint@ffdc000000 {

arch/riscv/boot/dts/thead/light-evb.dtsi

@@ -318,7 +318,7 @@
 			entry-cnt = <4>;
 			control-reg = <0xff 0xff015004>;
 			control-val = <0x1c>;
-			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc 0x7ce>;
 		};
 
 		clint0: clint@ffdc000000 {
@@ -1193,8 +1193,7 @@
 
 		emmc: sdhci@ffe7080000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7080000 0x0 0x10000
+			reg = <0xff 0xe7080000 0x0 0x10000>;
-			       0xff 0xef014060 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <62>;
 			interrupt-names = "sdhciirq";
@@ -1204,8 +1203,7 @@
 
 		sdhci0: sd@ffe7090000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7090000 0x0 0x10000
+			reg = <0xff 0xe7090000 0x0 0x10000>;
-			       0xff 0xef014064 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <64>;
 			interrupt-names = "sdhci0irq";
@@ -1215,8 +1213,7 @@
 
 		sdhci1: sd@ffe70a0000 {
 		        compatible = "snps,dwcmshc-sdhci";
-		        reg = <0xff 0xe70a0000 0x0 0x10000
+		        reg = <0xff 0xe70a0000 0x0 0x10000>;
-		               0xff 0xef014064 0x0 0x4>;
 		        interrupt-parent = <&intc>;
 		        interrupts = <71>;
 		        interrupt-names = "sdhci1irq";

arch/riscv/boot/dts/thead/light-lpi4a-ddr2G.dts

@@ -11,7 +11,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 };
 

arch/riscv/boot/dts/thead/light-lpi4a-ref.dts

@@ -186,9 +186,17 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
+	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		#cooling-cells = <2>;
+		pwms = <&pwm 1 10000000 0>;
+		cooling-levels = <0 64 192 255>;
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -196,7 +204,7 @@
 			regulator-name = "vref-1v8";
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
-	status = "okay";
+			status = "okay";
 	};
 
         reg_tp_pwr_en: regulator-pwr-en {
@@ -558,6 +566,48 @@
 		};
 	};
 
+	thermal-zones {
+		cpu-thermal-zone {
+			trips {
+				fan_config0: fan-trip0 {
+					temperature = <40000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+
+				fan_config1: fan-trip1 {
+					temperature = <50000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+
+				fan_config2: fan-trip2 {
+					temperature = <60000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+			};
+
+			cooling-maps {
+				fan-on {
+					trip = <&fan_config0>;
+					cooling-device =
+						<&fan 1 1>;
+				};
+				fan-faster {
+					trip = <&fan_config1>;
+					cooling-device =
+						<&fan 2 2>;
+				};
+				fan-full {
+					trip = <&fan_config2>;
+					cooling-device =
+						<&fan 3 3>;
+				};
+			};
+		};
+	};
+
 };
 
 &resmem {
@@ -611,18 +661,21 @@
 		#sound-dai-cells = <0>;
 		compatible = "everest,es8156";
 		reg = <0x08>;
+		sound-name-prefix = "ES8156";
 	};
 
 	es7210_audio_codec: es7210@40 {
 		#sound-dai-cells = <0>;
 		compatible = "MicArray_0";
 		reg = <0x40>;
+		sound-name-prefix = "ES7210";
 	};
 
-	audio_aw87519_pa@58 {
+	audio_aw87519_pa: amp@58 {
 		compatible = "awinic,aw87519_pa";
 		reg = <0x58>;
 		reset-gpio = <&pcal6408ahk_a 2 0x1>;
+		sound-name-prefix = "AW87519";
 		status = "okay";
 	};
 
@@ -634,8 +687,8 @@
 	};
 
 	pcal6408ahk_a: gpio@20 {
-		compatible = "nxp,pcal9554b";
+		compatible = "nxp,pca9557";
-		reg = <0x20>;
+		reg = <0x18>;
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
@@ -938,8 +991,8 @@
 	status = "okay";
 
 	pcal6408ahk_b: gpio@20 {
-		compatible = "nxp,pcal9554b";
+		compatible = "nxp,pca9557";
-		reg = <0x20>;
+		reg = <0x18>;
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
@@ -950,8 +1003,8 @@
 	status = "okay";
 
 	pcal6408ahk_c: gpio@20 {
-		compatible = "nxp,pcal9554b";
+		compatible = "nxp,pca9557";
-		reg = <0x20>;
+		reg = <0x18>;
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
@@ -967,8 +1020,8 @@
 	status = "okay";
 
 	pcal6408ahk_d: gpio@20 {
-		compatible = "nxp,pcal9554b";
+		compatible = "nxp,pca9557";
-		reg = <0x20>;
+		reg = <0x18>;
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
@@ -1411,6 +1464,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -1454,6 +1512,13 @@
         status = "okay";
 };
 
+&usb_1 {
+	hubswitch-gpio = <&ao_gpio_porta 4 0>;
+	vbus-supply = <&soc_vbus_en_reg>;
+	hub1v2-supply = <&reg_usb_hub_vdd1v2>;
+	hub5v-supply = <&reg_usb_hub_vcc5v>;
+};
+
 &cpus {
 	c910_0: cpu@0 {
 		operating-points = <
@@ -1461,12 +1526,14 @@
 			300000	650000
 			800000	700000
 			1500000	800000
+			1848000 1000000
 		>;
 		light,dvddm-operating-points = <
 			/* kHz   uV */
 			300000	800000
 			800000	800000
 			1500000	800000
+			1848000 1000000
 		>;
 	};
 	c910_1: cpu@1 {
@@ -1475,12 +1542,14 @@
 			300000	650000
 			800000	700000
 			1500000	800000
+			1848000 1000000
 		>;
 		light,dvddm-operating-points = <
 			/* kHz   uV */
 			300000	800000
 			800000	800000
 			1500000	800000
+			1848000 1000000
 		>;
 	};
 	c910_2: cpu@2 {
@@ -1490,12 +1559,14 @@
 			300000	650000
 			800000	700000
 			1500000	800000
+			1848000 1000000
 		>;
 		light,dvddm-operating-points = <
 			/* kHz   uV */
 			300000	800000
 			800000	800000
 			1500000	800000
+			1848000 1000000
 		>;
 	};
 	c910_3: cpu@3 {
@@ -1505,12 +1576,14 @@
 			300000	650000
 			800000	700000
 			1500000	800000
+			1848000 1000000
 		>;
 		light,dvddm-operating-points = <
 			/* kHz   uV */
 			300000	800000
 			800000	800000
 			1500000	800000
+			1848000 1000000
 		>;
 	};
 };

arch/riscv/boot/dts/thead/light-lpi4a-sec.dts

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+/dts-v1/;
+
+#include "light-lpi4a.dts"
+
+
+&light_iopmp {
+        status = "disabled";
+};

arch/riscv/boot/dts/thead/light-lpi4a.dts

@@ -6,22 +6,15 @@
 #include "light-lpi4a-ref.dts"
 
 / {
-	model = "T-HEAD Light Lichee Pi 4A configuration for 4GB DDR board";
+	model = "T-HEAD Light Lichee Pi 4A configuration for 8GB DDR board";
 	compatible = "thead,light-val", "thead,light-lpi4a", "thead,light";
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x1 0x00000000>;
+		reg = <0x0 0x200000 0x1 0xffe00000>;
 	};
 };
 
 &cmamem {
-	alloc-ranges = <0 0xe4000000 0 0x14000000>; // [0xE400_0000 ~ 0xF800_0000]
+	alloc-ranges = <0x1 0xe4000000 0 0x14000000>; // [0x1E400_0000 ~ 0x1F800_0000]
-};
-
-&usb_1 {
-	hubswitch-gpio = <&ao_gpio_porta 4 0>;
-	vbus-supply = <&soc_vbus_en_reg>;
-	hub1v2-supply = <&reg_usb_hub_vdd1v2>;
-	hub5v-supply = <&reg_usb_hub_vcc5v>;
 };

arch/riscv/boot/dts/thead/light.dtsi

@@ -6,6 +6,7 @@
 #include <dt-bindings/pinctrl/light-fm-left-pinctrl.h>
 #include <dt-bindings/pinctrl/light-fm-right-pinctrl.h>
 #include <dt-bindings/pinctrl/light-fm-aon-pinctrl.h>
+#include <dt-bindings/pinctrl/light-fm-audio-pinctrl.h>
 #include <dt-bindings/clock/light-fm-ap-clock.h>
 #include <dt-bindings/clock/light-vpsys.h>
 #include <dt-bindings/clock/light-vosys.h>
@@ -94,6 +95,12 @@
 		};
 	};
 
+	aon_iram: aon-iram@ffffef8000 {
+		compatible = "syscon";
+		reg = <0xff 0xffef8000 0x0 0x10000>;
+	};
+
+
 	thermal-zones {
 		cpu-thermal-zone {
 			polling-delay-passive = <250>;
@@ -383,7 +390,7 @@
 			entry-cnt = <4>;
 			control-reg = <0xff 0xff015004>;
 			control-val = <0x1c>;
-			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc 0x7ce>;
 		};
 
 		clint0: clint@ffdc000000 {
@@ -855,6 +862,12 @@
 			status = "okay";
 		};
 
+		padctrl_audiosys: padctrl-audiosys@ffcb01d000 {
+			compatible = "thead,light-fm-audio-pinctrl";
+			reg = <0xff 0xcb01d000 0x0 0x1000>;
+			status = "disabled";
+		};
+
 		timer4: timer@ffffc33000 {
 			compatible = "snps,dw-apb-timer";
 			reg = <0xff 0xffc33000 0x0 0x14>;
@@ -1301,7 +1314,7 @@
                                           65536 65536 65536 65536
                                           65536 65536 65536 65536
                                           65536 65536 65536 65536>;
-                        snps,priority = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15>;
+                        snps,priority = <0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0>; // <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15>;
                         snps,dma-masters = <1>;
                         snps,data-width = <4>;
                         snps,axi-max-burst-len = <16>;
@@ -1354,8 +1367,7 @@
 
 		emmc: sdhci@ffe7080000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7080000 0x0 0x10000
+			reg = <0xff 0xe7080000 0x0 0x10000>;
-			       0xff 0xef014060 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <62>;
 			interrupt-names = "sdhciirq";
@@ -1365,8 +1377,7 @@
 
 		sdhci0: sd@ffe7090000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7090000 0x0 0x10000
+			reg = <0xff 0xe7090000 0x0 0x10000>;
-			       0xff 0xef014064 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <64>;
 			interrupt-names = "sdhci0irq";
@@ -1376,8 +1387,7 @@
 
 		sdhci1: sd@ffe70a0000 {
 		        compatible = "snps,dwcmshc-sdhci";
-		        reg = <0xff 0xe70a0000 0x0 0x10000
+		        reg = <0xff 0xe70a0000 0x0 0x10000>;
-		               0xff 0xef014064 0x0 0x4>;
 		        interrupt-parent = <&intc>;
 		        interrupts = <71>;
 		        interrupt-names = "sdhci1irq";
@@ -1573,6 +1583,174 @@
 			status = "disabled";
 		};
 
+		tdm_slot1: audio_tdm_slot1@0xffcb012000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <1>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 28>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&dummy_clock_apb>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot2: audio_tdm_slot2@0xffcb012000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <2>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 29>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&dummy_clock_apb>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot3: audio_tdm_slot3@0xffcb012000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <3>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 30>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&dummy_clock_apb>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot4: audio_tdm_slot4@0xffcb012000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <4>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 31>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&dummy_clock_apb>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot5: audio_tdm_slot5@0xffcb012000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <5>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 32>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&dummy_clock_apb>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot6: audio_tdm_slot6@0xffcb012000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <6>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 33>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&dummy_clock_apb>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot7: audio_tdm_slot7@0xffcb012000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <7>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 34>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&dummy_clock_apb>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot8: audio_tdm_slot8@0xffcb012000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <8>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 35>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&dummy_clock_apb>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
 		pvt: pvt@fffff4e000 {
 		    compatible = "moortec,mr75203";
 		    reg = <0xff 0xfff4e000 0x0 0x80>,
@@ -2154,6 +2332,12 @@
 			interrupts = <215>; /* TEE INT SRC_7 */
 		};
 
+		light_event: light-event {
+			compatible = "thead,light-event";
+			aon-iram-regmap = <&aon_iram>;
+			status = "okay";
+		};
+
 		visys_clk_gate: visys-clk-gate { /* VI_SYSREG_R */
 			compatible = "thead,visys-gate-controller";
 			visys-regmap = <&visys_reg>;

arch/riscv/configs/light_defconfig

@@ -3,6 +3,10 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_PREEMPT=y
+CONFIG_TASKSTATS=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_CGROUPS=y
@@ -20,6 +24,7 @@ CONFIG_SOC_THEAD=y
 CONFIG_SMP=y
 CONFIG_VECTOR=y
 CONFIG_VECTOR_0_7=y
+CONFIG_THEAD_ISA=y
 CONFIG_KEXEC=y
 CONFIG_CRASH_DUMP=y
 CONFIG_CPU_IDLE=y
@@ -91,6 +96,7 @@ CONFIG_TUN=y
 CONFIG_VIRTIO_NET=y
 CONFIG_MACB=y
 CONFIG_STMMAC_ETH=y
+CONFIG_STMMAC_RX_ZERO_COPY=y
 CONFIG_DWMAC_LIGHT=y
 CONFIG_MICROSEMI_PHY=y
 CONFIG_REALTEK_PHY=y
@@ -265,6 +271,7 @@ CONFIG_HWSPINLOCK=y
 CONFIG_HWSPINLOCK_LIGHT=y
 CONFIG_HWSPINLOCK_LIGHT_TEST=m
 CONFIG_MAILBOX=y
+CONFIG_EXTCON=y
 CONFIG_IIO=y
 CONFIG_IIO_SW_DEVICE=y
 CONFIG_PWM=y
@@ -298,13 +305,21 @@ CONFIG_CRYPTO_AUTHENC=y
 CONFIG_CRYPTO_DH=y
 CONFIG_CRYPTO_CURVE25519=y
 CONFIG_CRYPTO_CHACHA20POLY1305=y
+CONFIG_CRYPTO_CBC=y
+CONFIG_CRYPTO_CTR=y
 CONFIG_CRYPTO_OFB=y
 CONFIG_CRYPTO_MD5=y
 CONFIG_CRYPTO_SHA512=y
 CONFIG_CRYPTO_SHA3=y
 CONFIG_CRYPTO_SM3=y
 CONFIG_CRYPTO_DES=y
+CONFIG_CRYPTO_SM4=y
+CONFIG_CRYPTO_USER=y
 CONFIG_CRYPTO_USER_API_HASH=y
+CONFIG_CRYPTO_USER_API_SKCIPHER=y
+CONFIG_CRYPTO_USER_API_RNG=y
+# CONFIG_CRYPTO_USER_API_RNG_CAVP is not set
+CONFIG_CRYPTO_USER_API_AEAD=y
 CONFIG_DMA_CMA=y
 CONFIG_DMA_PERNUMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=32
@@ -320,6 +335,7 @@ CONFIG_OVERLAY_FS=y
 CONFIG_LOCKUP_DETECTOR=y
 CONFIG_SOFTLOCKUP_DETECTOR=y
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_SCHED_INFO=y
 CONFIG_PM=y
 # CONFIG_SUSPEND is not set
 # CONFIG_PM_SLEEP is not set

drivers/gpu/drm/bridge/synopsys/dw-hdmi.c

@@ -6,6 +6,7 @@
  * Copyright (C) 2011-2013 Freescale Semiconductor, Inc.
  * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
  */
+#include <linux/extcon-provider.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/err.h>
@@ -103,6 +104,11 @@ static const u16 csc_coeff_rgb_full_to_rgb_limited[3][4] = {
 	{ 0x0000, 0x0000, 0x1b7c, 0x0020 }
 };
 
+static const unsigned int hdmi_extcon_cable[] = {
+	EXTCON_DISP_HDMI,
+	EXTCON_NONE,
+};
+
 struct hdmi_vmode {
 	bool mdataenablepolarity;
 
@@ -160,6 +166,7 @@ struct dw_hdmi {
 	struct clk *pix_clk;
 	struct clk *i2s_clk;
 	struct dw_hdmi_i2c *i2c;
+	struct extcon_dev *edev;
 
 	struct hdmi_data_info hdmi_data;
 	const struct dw_hdmi_plat_data *plat_data;
@@ -3117,6 +3124,10 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id)
 		dev_dbg(hdmi->dev, "EVENT=%s\n",
 			status == connector_status_connected ?
 			"plugin" : "plugout");
+		if (status == connector_status_connected)
+			extcon_set_state_sync(hdmi->edev, EXTCON_DISP_HDMI, true);
+		else
+			extcon_set_state_sync(hdmi->edev, EXTCON_DISP_HDMI, false);
 
 		if (hdmi->bridge.dev) {
 			drm_helper_hpd_irq_event(hdmi->bridge.dev);
@@ -3423,6 +3434,19 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
 
 	dw_hdmi_init_hw(hdmi);
 
+	hdmi->edev = devm_extcon_dev_allocate(dev, hdmi_extcon_cable);
+	if (IS_ERR(hdmi->edev)) {
+		dev_err(dev, "failed to allocate extcon device\n");
+		ret = -ENOMEM;
+		goto err_res;
+	}
+
+	ret = devm_extcon_dev_register(dev, hdmi->edev);
+	if (ret < 0) {
+		dev_err(dev, "failed to register extcon device\n");
+		goto err_res;
+	}
+
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		ret = irq;

drivers/mmc/host/sdhci-of-dwcmshc.c

@@ -28,7 +28,6 @@
 
 struct dwcmshc_priv {
 	struct clk	*bus_clk;
-	void __iomem *soc_base;
 	bool is_emmc_card;
 	bool pull_up_en;
 	bool io_fixed_1v8;
@@ -289,12 +288,6 @@ static void snps_sdhci_reset(struct sdhci_host *host, u8 mask)
 	pltfm_host = sdhci_priv(host);
 	priv = sdhci_pltfm_priv(pltfm_host);
 
-	/*soc reset, fix host reset error*/
-	//soc_reg = readl( priv->soc_base);
-	//soc_reg &= ~1;
-	//writel(soc_reg, priv->soc_base);
-	//soc_reg |= 1;
-	//writel(soc_reg, priv->soc_base);
 
 	/*host reset*/
 	sdhci_reset(host, mask);
@@ -604,9 +597,6 @@ static int dwcmshc_probe(struct platform_device *pdev)
 	pltfm_host = sdhci_priv(host);
 	priv = sdhci_pltfm_priv(pltfm_host);
 
-	/*used fix sdhci reset error*/
-	priv->soc_base = devm_platform_ioremap_resource(pdev, 1);
-
 	if (device_property_present(&pdev->dev, "is_emmc")) {
 		priv->is_emmc_card = 1;
 	} else {

drivers/net/ethernet/stmicro/stmmac/Kconfig

@@ -25,6 +25,16 @@ config STMMAC_SELFTESTS
 	  feature if you are facing problems with your HW and submit the test
 	  results to the netdev Mailing List.
 
+config STMMAC_RX_ZERO_COPY
+	bool "Support for STMMAC Zero Copy in Recv"
+	default n
+	help
+	  This adds support for STMMAC reduce memcpy packet ring_buffer data
+	  to skb data in stmmac_rx. Enable this feature will alloc skb in filling
+	  ring buffer, mapping skb->data to ring buffer DMA addr.
+
+	  If unsure, say N.
+
 config STMMAC_PLATFORM
 	tristate "STMMAC Platform bus support"
 	depends on STMMAC_ETH

drivers/net/ethernet/stmicro/stmmac/stmmac.h

@@ -67,12 +67,18 @@ struct stmmac_rx_buffer {
 	dma_addr_t addr;
 	dma_addr_t sec_addr;
 };
-
+struct stmmac_rx_skbuffer {
+	struct sk_buff *rx_skbuff;
+	struct page *sec_page;
+	dma_addr_t addr;
+	dma_addr_t sec_addr;
+};
 struct stmmac_rx_queue {
 	u32 rx_count_frames;
 	u32 queue_index;
 	struct page_pool *page_pool;
 	struct stmmac_rx_buffer *buf_pool;
+	struct stmmac_rx_skbuffer *skbuf_pool;
 	struct stmmac_priv *priv_data;
 	struct dma_extended_desc *dma_erx;
 	struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
@@ -210,6 +216,7 @@ struct stmmac_priv {
 	unsigned int mode;
 	unsigned int chain_mode;
 	int extend_desc;
+	bool extend_stat_need;
 	struct hwtstamp_config tstamp_config;
 	struct ptp_clock *ptp_clock;
 	struct ptp_clock_info ptp_clock_ops;

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -1324,7 +1324,7 @@ static void stmmac_clear_descriptors(struct stmmac_priv *priv)
 	for (queue = 0; queue < tx_queue_cnt; queue++)
 		stmmac_clear_tx_descriptors(priv, queue);
 }
-
+#ifndef CONFIG_STMMAC_RX_ZERO_COPY
 /**
  * stmmac_init_rx_buffers - init the RX descriptor buffer.
  * @priv: driver private structure
@@ -1335,18 +1335,21 @@ static void stmmac_clear_descriptors(struct stmmac_priv *priv)
  * Description: this function is called to allocate a receive buffer, perform
  * the DMA mapping and init the descriptor.
  */
-static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p,
+static int __stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p,
 				  int i, gfp_t flags, u32 queue)
 {
 	struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
 	struct stmmac_rx_buffer *buf = &rx_q->buf_pool[i];
+	gfp_t gfp = (GFP_ATOMIC | __GFP_NOWARN);
+	if (priv->dma_cap.addr64 <= 32)
+		gfp |= GFP_DMA32;
 
-	buf->page = page_pool_dev_alloc_pages(rx_q->page_pool);
+	buf->page = page_pool_alloc_pages(rx_q->page_pool,gfp);
 	if (!buf->page)
 		return -ENOMEM;
 
 	if (priv->sph) {
-		buf->sec_page = page_pool_dev_alloc_pages(rx_q->page_pool);
+		buf->sec_page = page_pool_alloc_pages(rx_q->page_pool,gfp);
 		if (!buf->sec_page)
 			return -ENOMEM;
 
@@ -1364,14 +1367,13 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p,
 
 	return 0;
 }
-
 /**
  * stmmac_free_rx_buffer - free RX dma buffers
  * @priv: private structure
  * @queue: RX queue index
  * @i: buffer index.
  */
-static void stmmac_free_rx_buffer(struct stmmac_priv *priv, u32 queue, int i)
+static void __stmmac_free_rx_buffer(struct stmmac_priv *priv, u32 queue, int i)
 {
 	struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
 	struct stmmac_rx_buffer *buf = &rx_q->buf_pool[i];
@@ -1385,6 +1387,122 @@ static void stmmac_free_rx_buffer(struct stmmac_priv *priv, u32 queue, int i)
 	buf->sec_page = NULL;
 }
 
+#else
+
+static inline unsigned int stmmac_get_rx_buf_frsize(struct stmmac_priv *priv)
+{
+	return priv->dma_buf_sz;
+}
+
+#define STMMAC_RX_ALIGN 0x3f
+static int
+stmmac_get_skb_dma_addr(struct stmmac_priv *priv,struct sk_buff *skb,dma_addr_t *dma_addr)
+{
+	int off;
+
+	off = ((unsigned long)skb->data) & STMMAC_RX_ALIGN;
+	if (off)
+		skb_reserve(skb, STMMAC_RX_ALIGN + 1 - off);
+	*dma_addr = dma_map_single(priv->device,skb->data,stmmac_get_rx_buf_frsize(priv) - off,DMA_FROM_DEVICE);
+	if (dma_mapping_error(priv->device, *dma_addr)) {
+		//if (net_ratelimit())
+			netdev_err(priv->dev, "Rx DMA memory map failed\n");
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+/**
+ * stmmac_init_rx_skbuffers - init the RX descriptor buffer.
+ * @priv: driver private structure
+ * @p: descriptor pointer
+ * @i: descriptor index
+ * @flags: gfp flag
+ * @queue: RX queue index
+ * Description: this function is called to allocate a receive buffer, perform
+ * the DMA mapping and init the descriptor.
+ */
+static int __stmmac_init_rx_skbuffers(struct stmmac_priv *priv, struct dma_desc *p,
+				  int i, gfp_t flags, u32 queue)
+{
+	struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
+	struct stmmac_rx_skbuffer *buf = &rx_q->skbuf_pool[i];
+	struct sk_buff *skb = NULL;
+	gfp_t gfp = (GFP_ATOMIC | __GFP_NOWARN);
+	if (priv->dma_cap.addr64 <= 32)
+		gfp |= GFP_DMA32;
+
+	skb = netdev_alloc_skb(priv->dev, stmmac_get_rx_buf_frsize(priv));
+	if (!skb)
+		return -ENOMEM;
+
+	if(stmmac_get_skb_dma_addr(priv,skb,&buf->addr) < 0)
+		return -ENOMEM;
+	
+	if (priv->sph) {
+		buf->sec_page = page_pool_alloc_pages(rx_q->page_pool,gfp);
+		if (!buf->sec_page)
+			return -ENOMEM;
+
+		buf->sec_addr = page_pool_get_dma_addr(buf->sec_page);
+		stmmac_set_desc_sec_addr(priv, p, buf->sec_addr, true);
+	} else {
+		buf->sec_page = NULL;
+		stmmac_set_desc_sec_addr(priv, p, buf->sec_addr, false);
+	}
+	stmmac_set_desc_addr(priv, p, buf->addr);
+	if (priv->dma_buf_sz == BUF_SIZE_16KiB)
+		stmmac_init_desc3(priv, p);
+	buf->rx_skbuff = skb;
+	return 0;
+}
+
+/**
+ * stmmac_free_rx_skbuffer - free RX dma buffers
+ * @priv: private structure
+ * @queue: RX queue index
+ * @i: buffer index.
+ */
+static void __stmmac_free_rx_skbuffer(struct stmmac_priv *priv, u32 queue, int i)
+{
+	struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
+	struct stmmac_rx_skbuffer *buf = &rx_q->skbuf_pool[i];
+
+	if (buf->rx_skbuff){
+		dma_unmap_single(priv->device,
+			buf->addr,
+			stmmac_get_rx_buf_frsize(priv) - STMMAC_RX_ALIGN,
+			DMA_FROM_DEVICE);
+		dev_kfree_skb(buf->rx_skbuff);
+		buf->rx_skbuff = NULL;
+	}
+
+	if (buf->sec_page)
+		page_pool_put_full_page(rx_q->page_pool, buf->sec_page, false);
+	buf->sec_page = NULL;
+	
+}
+#endif
+
+static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p,
+				  int i, gfp_t flags, u32 queue)
+{
+	#ifndef CONFIG_STMMAC_RX_ZERO_COPY
+	return __stmmac_init_rx_buffers(priv,p,i,flags,queue);
+	#else
+	return __stmmac_init_rx_skbuffers(priv,p,i,flags,queue);
+	#endif
+}
+
+static void stmmac_free_rx_buffer(struct stmmac_priv *priv, u32 queue, int i)
+{
+	#ifndef CONFIG_STMMAC_RX_ZERO_COPY
+	__stmmac_free_rx_buffer(priv,queue,i);
+	#else
+	__stmmac_free_rx_skbuffer(priv,queue,i);
+	#endif
+}
+
 /**
  * stmmac_free_tx_buffer - free RX dma buffers
  * @priv: private structure
@@ -1644,8 +1762,11 @@ static void free_dma_rx_desc_resources(struct stmmac_priv *priv)
 			dma_free_coherent(priv->device, priv->dma_rx_size *
 					  sizeof(struct dma_extended_desc),
 					  rx_q->dma_erx, rx_q->dma_rx_phy);
-
+#ifndef CONFIG_STMMAC_RX_ZERO_COPY
 		kfree(rx_q->buf_pool);
+#else
+		kfree(rx_q->skbuf_pool);
+#endif
 		if (rx_q->page_pool)
 			page_pool_destroy(rx_q->page_pool);
 	}
@@ -1711,7 +1832,6 @@ static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv)
 
 		rx_q->queue_index = queue;
 		rx_q->priv_data = priv;
-
 		pp_params.flags = PP_FLAG_DMA_MAP;
 		pp_params.pool_size = priv->dma_rx_size;
 		num_pages = DIV_ROUND_UP(priv->dma_buf_sz, PAGE_SIZE);
@@ -1726,13 +1846,19 @@ static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv)
 			rx_q->page_pool = NULL;
 			goto err_dma;
 		}
-
+#ifndef CONFIG_STMMAC_RX_ZERO_COPY
 		rx_q->buf_pool = kcalloc(priv->dma_rx_size,
 					 sizeof(*rx_q->buf_pool),
 					 GFP_KERNEL);
 		if (!rx_q->buf_pool)
 			goto err_dma;
-
+#else
+		rx_q->skbuf_pool = kcalloc(priv->dma_rx_size,
+					 sizeof(*rx_q->skbuf_pool),
+					 GFP_KERNEL);
+		if (!rx_q->skbuf_pool)
+			goto err_dma;
+#endif
 		if (priv->extend_desc) {
 			rx_q->dma_erx = dma_alloc_coherent(priv->device,
 							   priv->dma_rx_size *
@@ -3664,27 +3790,37 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue)
 	struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
 	int len, dirty = stmmac_rx_dirty(priv, queue);
 	unsigned int entry = rx_q->dirty_rx;
+#ifndef CONFIG_STMMAC_RX_ZERO_COPY
+	struct stmmac_rx_buffer *buf;
+#else
+	struct stmmac_rx_skbuffer *buf ;
+	struct sk_buff *skb = NULL;
+#endif
+	 gfp_t gfp = (GFP_ATOMIC | __GFP_NOWARN);
+
+	if (priv->dma_cap.addr64 <= 32)
+		gfp |= GFP_DMA32;
 
 	len = DIV_ROUND_UP(priv->dma_buf_sz, PAGE_SIZE) * PAGE_SIZE;
 
 	while (dirty-- > 0) {
-		struct stmmac_rx_buffer *buf = &rx_q->buf_pool[entry];
 		struct dma_desc *p;
 		bool use_rx_wd;
-
 		if (priv->extend_desc)
 			p = (struct dma_desc *)(rx_q->dma_erx + entry);
 		else
 			p = rx_q->dma_rx + entry;
+#ifndef CONFIG_STMMAC_RX_ZERO_COPY
+		buf = &rx_q->buf_pool[entry];
 
 		if (!buf->page) {
-			buf->page = page_pool_dev_alloc_pages(rx_q->page_pool);
+			buf->page = page_pool_alloc_pages(rx_q->page_pool,gfp);
 			if (!buf->page)
 				break;
 		}
 
 		if (priv->sph && !buf->sec_page) {
-			buf->sec_page = page_pool_dev_alloc_pages(rx_q->page_pool);
+			buf->sec_page = page_pool_alloc_pages(rx_q->page_pool,gfp);
 			if (!buf->sec_page)
 				break;
 
@@ -3695,12 +3831,47 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue)
 		}
 
 		buf->addr = page_pool_get_dma_addr(buf->page);
+		/* Sync whole allocation to device. This will invalidate old
+		 * data.
+		 */
+		dma_sync_single_for_device(priv->device, buf->addr, len,
+					   DMA_FROM_DEVICE);
+#else
+		buf = &rx_q->skbuf_pool[entry];
+		
+		if(likely(!buf->rx_skbuff)){
+			len = stmmac_get_rx_buf_frsize(priv);
+			skb = netdev_alloc_skb(priv->dev, len);
+			if (!skb){
+				//priv->dev->stats.rx_dropped += (1ul<<32);
+				netdev_err(priv->dev, "%s: dalloc_skb failed,dirty ring %d :\n", __func__,dirty);
+				break;
+			}
+			if(stmmac_get_skb_dma_addr(priv,skb,&buf->addr) < 0){
+				//priv->dev->stats.rx_dropped += (1ul<<32);
+				break;
+			}
+			buf->rx_skbuff = skb;
+		}
 
 		/* Sync whole allocation to device. This will invalidate old
 		 * data.
 		 */
 		dma_sync_single_for_device(priv->device, buf->addr, len,
 					   DMA_FROM_DEVICE);
+		
+		if (priv->sph && !buf->sec_page) {
+			buf->sec_page = page_pool_alloc_pages(rx_q->page_pool,gfp);
+			if (!buf->sec_page)
+				break;
+
+			buf->sec_addr = page_pool_get_dma_addr(buf->sec_page);
+
+			dma_sync_single_for_device(priv->device, buf->sec_addr,
+						   len, DMA_FROM_DEVICE);
+		} 
+
+#endif
 
 		stmmac_set_desc_addr(priv, p, buf->addr);
 		if (priv->sph)
@@ -3815,7 +3986,11 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
 	while (count < limit) {
 		unsigned int buf1_len = 0, buf2_len = 0;
 		enum pkt_hash_types hash_type;
+		#ifndef CONFIG_STMMAC_RX_ZERO_COPY
 		struct stmmac_rx_buffer *buf;
+		#else
+		struct stmmac_rx_skbuffer *skbuf;
+		#endif
 		struct dma_desc *np, *p;
 		int entry;
 		u32 hash;
@@ -3838,8 +4013,11 @@ read_again:
 		buf1_len = 0;
 		buf2_len = 0;
 		entry = next_entry;
+		#ifndef CONFIG_STMMAC_RX_ZERO_COPY
 		buf = &rx_q->buf_pool[entry];
-
+		#else
+		skbuf = &rx_q->skbuf_pool[entry];
+		#endif
 		if (priv->extend_desc)
 			p = (struct dma_desc *)(rx_q->dma_erx + entry);
 		else
@@ -3863,12 +4041,14 @@ read_again:
 
 		prefetch(np);
 
-		if (priv->extend_desc)
+		if (priv->extend_desc && priv->extend_stat_need)
 			stmmac_rx_extended_status(priv, &priv->dev->stats,
 					&priv->xstats, rx_q->dma_erx + entry);
 		if (unlikely(status == discard_frame)) {
+			#ifndef CONFIG_STMMAC_RX_ZERO_COPY
 			page_pool_recycle_direct(rx_q->page_pool, buf->page);
 			buf->page = NULL;
+			#endif
 			error = 1;
 			if (!priv->hwts_rx_en)
 				priv->dev->stats.rx_errors++;
@@ -3884,11 +4064,14 @@ read_again:
 		}
 
 		/* Buffer is good. Go on. */
-
+#ifndef CONFIG_STMMAC_RX_ZERO_COPY
 		prefetch(page_address(buf->page));
 		if (buf->sec_page)
 			prefetch(page_address(buf->sec_page));
-
+#else
+		skb = skbuf->rx_skbuff;
+		prefetch(skb->data);
+#endif
 		buf1_len = stmmac_rx_buf1_len(priv, p, status, len);
 		len += buf1_len;
 		buf2_len = stmmac_rx_buf2_len(priv, p, status, len);
@@ -3911,7 +4094,30 @@ read_again:
 
 			len -= ETH_FCS_LEN;
 		}
+#ifdef CONFIG_STMMAC_RX_ZERO_COPY
+		skb = skbuf->rx_skbuff;
+		if (!skb) {
+			priv->dev->stats.rx_dropped++;
+			count++;
+			goto drain_data;
+		}
+		dma_sync_single_for_cpu(priv->device, skbuf->addr,
+			buf1_len, DMA_FROM_DEVICE);
+		skb_put(skb, buf1_len);
+		skbuf->rx_skbuff = NULL;
+					
+		if (buf2_len) {
+			dma_sync_single_for_cpu(priv->device, skbuf->sec_addr,
+						buf2_len, DMA_FROM_DEVICE);
+			skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
+					skbuf->sec_page, 0, buf2_len,
+					priv->dma_buf_sz);
 
+			/* Data payload appended into SKB */
+			page_pool_release_page(rx_q->page_pool, skbuf->sec_page);
+			skbuf->sec_page = NULL;
+		}
+#else
 		if (!skb) {
 			skb = napi_alloc_skb(&ch->rx_napi, buf1_len);
 			if (!skb) {
@@ -3952,7 +4158,7 @@ read_again:
 			page_pool_release_page(rx_q->page_pool, buf->sec_page);
 			buf->sec_page = NULL;
 		}
-
+#endif
 drain_data:
 		if (likely(status & rx_not_ls))
 			goto read_again;
@@ -4104,8 +4310,12 @@ static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
 	new_mtu = STMMAC_ALIGN(new_mtu);
 
 	/* If condition true, FIFO is too small or MTU too large */
-	if ((txfifosz < new_mtu) || (new_mtu > BUF_SIZE_16KiB))
+	if ((txfifosz && txfifosz < new_mtu) || (new_mtu > BUF_SIZE_16KiB)){
+		netdev_err(priv->dev,"FIFO is too small or MTU too large\n");
+		printk("new_mtu %d -- %d,%d,%d \n",new_mtu,txfifosz,priv->plat->tx_fifo_size,priv->dma_cap.tx_fifo_size);
 		return -EINVAL;
+	}
+
 
 	dev->mtu = mtu;
 
@@ -5083,6 +5293,11 @@ int stmmac_dvr_probe(struct device *device,
 			priv->dma_cap.addr64 = 32;
 		}
 	}
+	if(priv->dma_cap.addr64 <= 32){
+		skb_set_alloc_dma32(GFP_DMA32);
+	}
+	dev_info(priv->device, "Using %d bits DMA width,skb alloc dma32 flag %x\n",
+				 priv->dma_cap.addr64,skb_get_alloc_dma32());
 
 	ndev->features |= ndev->hw_features | NETIF_F_HIGHDMA;
 	ndev->watchdog_timeo = msecs_to_jiffies(watchdog);

drivers/pinctrl/thead/pinctrl-light.c

@@ -18,9 +18,18 @@
 #include <dt-bindings/pinctrl/light-fm-right-pinctrl.h>
 #include <dt-bindings/pinctrl/light-fm-left-pinctrl.h>
 #include <dt-bindings/pinctrl/light-fm-aon-pinctrl.h>
+#include <dt-bindings/pinctrl/light-fm-audio-pinctrl.h>
 
 #include "../core.h"
 
+enum light_pinctrl_type {
+	 LIGHT_MPW,
+	 LIGHT_FM_RIGHT,
+	 LIGHT_FM_LEFT,
+	 LIGHT_FM_AON,
+	 LIGHT_FM_AUDIO,
+};
+
 struct light_pin {
 	unsigned int pin_id;
 	unsigned int mux_mode;
@@ -50,6 +59,8 @@ struct light_pinctrl_soc_info {
 	unsigned int grp_index;
 	struct light_pmx_func *functions;
 	unsigned int nfunctions;
+	char         *label;
+	enum light_pinctrl_type type;
 
 	unsigned int cfg_off;
 	unsigned int mux_off;
@@ -66,6 +77,7 @@ struct light_pinctrl {
 #define LIGHT_PINCTRL_PIN(pin)	PINCTRL_PIN(pin, #pin)
 #define LIGHT_PAD_CONFIG(idx)	(priv->info->cfg_off + (idx >> 1) * 4)
 #define LIGHT_PAD_MUX(idx)	(priv->info->mux_off + ((idx >> 3) * 4))
+#define LIGHT_AUDIO_PAD_MUX(idx)	(priv->info->mux_off + ((idx >> 4) * 4))
 
 static const char *pin_get_name_from_info(struct light_pinctrl_soc_info *info,
 					  const unsigned int pin_id)
@@ -247,13 +259,31 @@ static int light_pmx_set(struct pinctrl_dev *pctldev, unsigned int selector,
 				continue;
 		}
 
-		mux = readl(priv->base + LIGHT_PAD_MUX(pin_id));
+		if (info->type == LIGHT_FM_AUDIO) {
-		shift = ((pin_id % 8) << 2);
+			if (pin->mux_mode == AUDIO_IO_GPIO) {
-		mux &= ~(0xF << shift);	/* 4 mux bits for one pad */
+				mux = ~(1 << pin_id) & readl(priv->base);
-		mux |= (pin->mux_mode << shift);
+				writel(mux, priv->base); /* Controlled by GPIO under AUDIO_SUBSYS */
-		writel(mux, priv->base + LIGHT_PAD_MUX(pin_id));
+				continue;
-		dev_dbg(priv->dev, "write: offset 0x%x val 0x%x\n",
+			}
-			LIGHT_PAD_MUX(pin_id), mux);
+			mux = (1 << pin_id) | readl(priv->base);
+			writel(mux, priv->base);
+
+			mux = readl(priv->base + LIGHT_AUDIO_PAD_MUX(pin_id));
+			shift = ((pin_id % 16) << 1);
+			mux &= ~(0x3 << shift);	/* 2 mux bits for one pad */
+			mux |= (pin->mux_mode << shift);
+			writel(mux, priv->base + LIGHT_AUDIO_PAD_MUX(pin_id));
+			dev_dbg(priv->dev, "write: offset 0x%x val 0x%x\n",
+				LIGHT_AUDIO_PAD_MUX(pin_id), mux);
+		} else {
+			mux = readl(priv->base + LIGHT_PAD_MUX(pin_id));
+			shift = ((pin_id % 8) << 2);
+			mux &= ~(0xF << shift);	/* 4 mux bits for one pad */
+			mux |= (pin->mux_mode << shift);
+			writel(mux, priv->base + LIGHT_PAD_MUX(pin_id));
+			dev_dbg(priv->dev, "write: offset 0x%x val 0x%x\n",
+				LIGHT_PAD_MUX(pin_id), mux);
+		}
 	}
 
 	return 0;
@@ -430,7 +460,15 @@ static int light_pinctrl_parse_groups(struct device_node *np,
 		struct light_pin *pin = &grp->pins[i];
 
 		pin->pin_id = be32_to_cpu(*list++);
-		pin->mux_mode = be32_to_cpu(*list++) & 0xF;
+		if (info->type == LIGHT_FM_AUDIO) {
+			pin->mux_mode = be32_to_cpu(*list++);
+			if (pin->mux_mode != AUDIO_IO_GPIO){
+				pin->mux_mode &= 0x3;
+			}
+		} else {
+			pin->mux_mode = be32_to_cpu(*list++) & 0xF;
+
+		}
 		pin->config = be32_to_cpu(*list++) & 0xFFFF;
 		grp->pin_ids[i] = grp->pins[i].pin_id;
 
@@ -841,6 +879,40 @@ static const struct pinctrl_pin_desc light_fm_aon_pinctrl_pads[] = {
 	LIGHT_PINCTRL_PIN(FM_AUDIO_PA30),
 };
 
+static const struct pinctrl_pin_desc light_fm_audio_pinctrl_pads[] = {
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA0),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA1),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA2),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA3),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA4),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA5),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA6),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA7),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA8),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA9),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA10),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA11),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA12),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA13),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA14),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA15),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA16),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA17),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA18),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA19),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA20),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA21),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA22),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA23),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA24),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA25),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA26),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA27),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA28),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA29),
+	LIGHT_PINCTRL_PIN(FM_AUDIO_IO_PA30),
+};
+
 static int light_pinctrl_mpw_convert_pin_off(const unsigned int pin_id)
 {
 	unsigned int cov_pin_id = pin_id;
@@ -865,6 +937,7 @@ static int light_pinctrl_fm_aon_covert_pin_off(const unsigned int pin_id)
 static struct light_pinctrl_soc_info light_mpw_pinctrl_info = {
 	.pins = light_mpw_pinctrl_pads,
 	.npins = ARRAY_SIZE(light_mpw_pinctrl_pads),
+	.type = LIGHT_MPW,
 	.cfg_off = 0x4c,
 	.mux_off = 0x404,
 	.covert_pin_off = light_pinctrl_mpw_convert_pin_off,
@@ -873,6 +946,7 @@ static struct light_pinctrl_soc_info light_mpw_pinctrl_info = {
 static struct light_pinctrl_soc_info light_fm_right_pinctrl_info = {
 	.pins = light_fm_right_pinctrl_pads,
 	.npins = ARRAY_SIZE(light_fm_right_pinctrl_pads),
+	.type = LIGHT_FM_RIGHT,
 	.cfg_off = 0x0,
 	.mux_off = 0x400,
 };
@@ -880,6 +954,7 @@ static struct light_pinctrl_soc_info light_fm_right_pinctrl_info = {
 static struct light_pinctrl_soc_info light_fm_left_pinctrl_info = {
 	.pins = light_fm_left_pinctrl_pads,
 	.npins = ARRAY_SIZE(light_fm_left_pinctrl_pads),
+	.type = LIGHT_FM_LEFT,
 	.cfg_off = 0x0,
 	.mux_off = 0x400,
 };
@@ -887,16 +962,27 @@ static struct light_pinctrl_soc_info light_fm_left_pinctrl_info = {
 static struct light_pinctrl_soc_info light_fm_aon_pinctrl_info = {
 	.pins = light_fm_aon_pinctrl_pads,
 	.npins = ARRAY_SIZE(light_fm_aon_pinctrl_pads),
+	.type = LIGHT_FM_AON,
 	.cfg_off = 0x0,
 	.mux_off = 0x400,
 	.covert_pin_off = light_pinctrl_fm_aon_covert_pin_off,
 };
 
+static struct light_pinctrl_soc_info light_fm_audio_pinctrl_info = {
+	.pins = light_fm_audio_pinctrl_pads,
+	.npins = ARRAY_SIZE(light_fm_audio_pinctrl_pads),
+	.label = "LIGHT-AUDIO-IO",
+	.type = LIGHT_FM_AUDIO,
+	.cfg_off = 0x0C,
+	.mux_off = 0x4,
+};
+
 static const struct of_device_id light_pinctrl_of_match[] = {
 	{ .compatible = "thead,light-mpw-pinctrl", .data = &light_mpw_pinctrl_info},
 	{ .compatible = "thead,light-fm-right-pinctrl",	.data = &light_fm_right_pinctrl_info},
 	{ .compatible = "thead,light-fm-left-pinctrl",	.data = &light_fm_left_pinctrl_info},
 	{ .compatible = "thead,light-fm-aon-pinctrl",	.data = &light_fm_aon_pinctrl_info},
+	{ .compatible = "thead,light-fm-audio-pinctrl",	.data = &light_fm_audio_pinctrl_info},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, light_pinctrl_of_match);

drivers/soc/thead/Kconfig

@@ -16,6 +16,12 @@ config LIGHT_SUSPEND
 	help
 	 This driver supports system suspend low power feature in Light FM platform
 
+config LIGHT_REBOOTMODE
+	bool "Thead light rebootmode support"
+	default y
+	help
+	 This driver supports check rebootmode feature in Light FM platform
+
 endmenu
 
 endif

drivers/soc/thead/Makefile

@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_LIGHT_IOPMP)	+= light-iopmp.o
 obj-$(CONFIG_LIGHT_SUSPEND)	+= pm-light.o
+obj-$(CONFIG_LIGHT_REBOOTMODE)	+= light_event.o

drivers/soc/thead/light_event.c

@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
+#include <linux/platform_device.h>
+#include <linux/firmware/thead/ipc.h>
+#include <linux/firmware/thead/light_event.h>
+
+/*
+ * AON SRAM total size is 0x10000, reserve 0x100 for event.
+ * Notice: c902 *.ld also need resize.
+ * -------------- 0xff_ffef8000
+ * |		|
+ * |		|
+ * |		|
+ * |    c902	|
+ * |		|
+ * |		|
+ * |		|
+ * -------------- 0xff_fff07f00
+ * |   reserve	|
+ * |		|
+ * --------------
+ */
+#define LIGHT_AON_SRAM_LEN	0x10000
+#define LIGHT_AON_SRAM_RESERV	(LIGHT_AON_SRAM_LEN - 0x100)
+#define LIGHT_EVENT_OFFSET	(LIGHT_AON_SRAM_RESERV + 0x10)
+#define LIGHT_EVENT_CHECK	(LIGHT_EVENT_OFFSET + 0x4)
+
+#define LIGHT_EVENT_MAGIC	0x5A5A5A5A
+
+struct light_aon_msg_event_ctrl {
+	struct light_aon_rpc_msg_hdr hdr;
+	u32 reserve_offset;
+	u32 reserved[5];
+} __packed __aligned(4);
+
+struct light_event {
+	struct device *dev;
+
+	struct light_aon_ipc *ipc_handle;
+	struct light_aon_msg_event_ctrl msg;
+
+	struct regmap *aon_iram;
+	bool init;
+};
+
+struct light_event *light_event;
+
+static void light_event_msg_hdr_fill(struct light_aon_rpc_msg_hdr *hdr, enum light_aon_misc_func func)
+{
+	hdr->ver = LIGHT_AON_RPC_VERSION;
+	hdr->svc = (uint8_t)LIGHT_AON_RPC_SVC_MISC;
+	hdr->func = (uint8_t)func;
+	hdr->size = LIGHT_AON_RPC_MSG_NUM;
+}
+
+static int light_event_aon_reservemem(struct light_event *event)
+{
+	struct light_aon_ipc *ipc = event->ipc_handle;
+	int ret = 0;
+
+	dev_dbg(light_event->dev, "aon reservemem...\n");
+
+	light_event_msg_hdr_fill(&event->msg.hdr, LIGHT_AON_MISC_FUNC_AON_RESERVE_MEM);
+	event->msg.reserve_offset = LIGHT_EVENT_OFFSET;
+
+	ret = light_aon_call_rpc(ipc, &event->msg, true);
+	if (ret)
+		dev_err(light_event->dev, "failed to set aon reservemem\n");
+
+	return ret;
+}
+
+int light_event_set_rebootmode(enum light_rebootmode_index mode)
+{
+	int ret;
+
+	if (!light_event->init)
+		return -EINVAL;
+
+	ret = regmap_write(light_event->aon_iram, LIGHT_EVENT_OFFSET, mode);
+	if (ret) {
+		dev_err(light_event->dev, "set rebootmode failed,ret:%d\n", ret);
+		return ret;
+	}
+
+	dev_info(light_event->dev, "set rebootmode:0x%x\n", mode);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(light_event_set_rebootmode);
+
+int light_event_get_rebootmode(enum light_rebootmode_index *mode)
+{
+	int ret;
+
+	if (!light_event->init)
+		return -EINVAL;
+
+	ret = regmap_read(light_event->aon_iram, LIGHT_EVENT_OFFSET, mode);
+	if (ret) {
+		dev_err(light_event->dev, "get rebootmode failed,ret:%d\n", ret);
+		return ret;
+	}
+	dev_dbg(light_event->dev, "%s get rebootmode:0x%x\n", __func__, *mode);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(light_event_get_rebootmode);
+
+static int light_event_check_powerup(void)
+{
+	enum light_rebootmode_index mode;
+	unsigned int val;
+	int ret;
+
+	if (!light_event->init)
+		return -EINVAL;
+
+	ret = regmap_read(light_event->aon_iram, LIGHT_EVENT_CHECK, &val);
+	if (ret) {
+		dev_err(light_event->dev, "get magicnum failed,ret:%d\n", ret);
+		return ret;
+	}
+	ret = regmap_read(light_event->aon_iram, LIGHT_EVENT_OFFSET, &mode);
+	if (ret) {
+		dev_err(light_event->dev, "get rebootmode failed,ret:%d\n", ret);
+		return ret;
+	}
+	dev_info(light_event->dev, "magicnum:0x%x mode:0x%x\n", val, mode);
+
+	/* powerup means SRAM data is randam */
+	if (val != LIGHT_EVENT_MAGIC && mode != LIGHT_EVENT_PMIC_ONKEY)
+		light_event_set_rebootmode(LIGHT_EVENT_PMIC_POWERUP);
+
+	ret = regmap_write(light_event->aon_iram, LIGHT_EVENT_CHECK, LIGHT_EVENT_MAGIC);
+	if (ret) {
+		dev_err(light_event->dev, "set magicnum failed,ret:%d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static ssize_t rebootmode_store(struct device *dev,
+					struct device_attribute *attr,
+					const char *buf, size_t count)
+{
+	enum light_rebootmode_index mode;
+
+	if (kstrtouint(buf, 0, &mode) < 0)
+		return -EINVAL;
+	light_event_set_rebootmode(mode);
+
+	return count;
+}
+
+static ssize_t
+rebootmode_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	enum light_rebootmode_index mode;
+
+	light_event_get_rebootmode(&mode);
+
+	return sprintf(buf, "0x%x\n", mode);
+}
+static DEVICE_ATTR_RW(rebootmode);
+
+static struct attribute *event_attrs[] = {
+	&dev_attr_rebootmode.attr,
+	NULL
+};
+ATTRIBUTE_GROUPS(event);
+
+static int light_event_open(struct inode *inode, struct file *f)
+{
+	return 0;
+}
+
+static int light_event_release(struct inode *inode, struct file *f)
+{
+	return 0;
+}
+
+static long light_event_ioctl(struct file *f, unsigned int ioctl,
+			    unsigned long arg)
+{
+	return 0;
+}
+
+static const struct file_operations light_event_fops = {
+	.owner          = THIS_MODULE,
+	.release        = light_event_release,
+	.open           = light_event_open,
+	.unlocked_ioctl = light_event_ioctl,
+};
+
+static struct miscdevice light_event_misc = {
+	.minor = MISC_DYNAMIC_MINOR,
+	.name = "light-event",
+	.fops = &light_event_fops,
+};
+
+static int light_event_probe(struct platform_device *pdev)
+{
+	struct device		*dev = &pdev->dev;
+	struct device_node	*np = dev->of_node;
+	struct light_event	*thead;
+	int			ret;
+
+	thead = devm_kzalloc(&pdev->dev, sizeof(*thead), GFP_KERNEL);
+	if (!thead)
+		return -ENOMEM;
+	light_event = thead;
+
+	ret = light_aon_get_handle(&(thead->ipc_handle));
+	if (ret == -EPROBE_DEFER)
+		return ret;
+
+	platform_set_drvdata(pdev, thead);
+	thead->dev = &pdev->dev;
+
+	thead->aon_iram = syscon_regmap_lookup_by_phandle(np, "aon-iram-regmap");
+	if (IS_ERR(thead->aon_iram))
+		return PTR_ERR(thead->aon_iram);
+
+	ret = misc_register(&light_event_misc);
+	if (ret < 0)
+		return ret;
+
+	ret = light_event_aon_reservemem(thead);
+	if (ret) {
+		dev_err(dev, "set aon reservemem failed!\n");
+		return -EPERM;
+	}
+	thead->init = true;
+
+	ret = light_event_check_powerup();
+	if (ret) {
+		dev_err(dev, "check powerup failed!\n");
+		return -EPERM;
+	}
+	dev_info(dev, "light-event driver init successfully\n");
+
+	return 0;
+}
+
+static int light_event_remove(struct platform_device *pdev)
+{
+	misc_deregister(&light_event_misc);
+
+	return 0;
+}
+
+static const struct of_device_id light_event_of_match[] = {
+	{ .compatible = "thead,light-event" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, light_event_of_match);
+
+static struct platform_driver light_event_driver = {
+	.probe		= light_event_probe,
+	.remove		= light_event_remove,
+	.driver		= {
+		.name	= "light-event",
+		.dev_groups	= event_groups,
+		.of_match_table	= light_event_of_match,
+	},
+};
+
+module_platform_driver(light_event_driver);
+
+MODULE_DESCRIPTION("light-event driver");
+MODULE_LICENSE("GPL v2");

drivers/watchdog/dw_wdt.c

@@ -29,6 +29,7 @@
 #include <linux/reset.h>
 #include <linux/watchdog.h>
 #include <linux/debugfs.h>
+#include <linux/firmware/thead/light_event.h>
 
 #define WDOG_CONTROL_REG_OFFSET		    0x00
 #define WDOG_CONTROL_REG_WDT_EN_MASK	    0x01
@@ -376,6 +377,7 @@ static irqreturn_t dw_wdt_irq(int irq, void *devid)
 		pr_warn("watchdog irq enter. however status is 0\n");
 		return IRQ_NONE;
 	}
+	light_event_set_rebootmode(LIGHT_EVENT_SW_WATCHDOG);
 
 	WARN(1, "watchdog app was stuck! watchdog pretimeout event\n");
 	watchdog_notify_pretimeout(&dw_wdt->wdd);

drivers/watchdog/light_wdt.c

@@ -17,6 +17,7 @@
 #include <linux/device.h>
 #include <linux/watchdog.h>
 #include <linux/firmware/thead/ipc.h>
+#include <linux/firmware/thead/light_event.h>
 
 #define DRV_NAME	"light-wdt"
 
@@ -189,6 +190,7 @@ static int light_wdt_restart(struct watchdog_device *wdd, unsigned long action,
 
 	pr_debug("[%s,%d]: Inform aon to restart the whole system....\n", __func__, __LINE__);
 
+	light_event_set_rebootmode(LIGHT_EVENT_SW_REBOOT);
 	ret = light_aon_call_rpc(ipc, &wdt_dev->msg, false);
 	if (ret)
 		return ret;

include/dt-bindings/pinctrl/light-fm-audio-pinctrl.h

@@ -0,0 +1,38 @@
+#ifndef _LIGHT_FM_AUDIO_IO_PINCTRL_H
+#define _LIGHT_FM_AUDIO_IO_PINCTRL_H
+
+#define FM_AUDIO_IO_PA0			0
+#define FM_AUDIO_IO_PA1			1
+#define FM_AUDIO_IO_PA2			2
+#define FM_AUDIO_IO_PA3			3
+#define FM_AUDIO_IO_PA4			4
+#define FM_AUDIO_IO_PA5			5
+#define FM_AUDIO_IO_PA6			6
+#define FM_AUDIO_IO_PA7			7
+#define FM_AUDIO_IO_PA8			8
+#define FM_AUDIO_IO_PA9			9
+#define FM_AUDIO_IO_PA10		10
+#define FM_AUDIO_IO_PA11		11
+#define FM_AUDIO_IO_PA12		12
+#define FM_AUDIO_IO_PA13		13
+#define FM_AUDIO_IO_PA14		14
+#define FM_AUDIO_IO_PA15		15
+#define FM_AUDIO_IO_PA16		16
+#define FM_AUDIO_IO_PA17		17
+#define FM_AUDIO_IO_PA18		18
+#define FM_AUDIO_IO_PA19		19
+#define FM_AUDIO_IO_PA20		20
+#define FM_AUDIO_IO_PA21		21
+#define FM_AUDIO_IO_PA22		22
+#define FM_AUDIO_IO_PA23		23
+#define FM_AUDIO_IO_PA24		24
+#define FM_AUDIO_IO_PA25		25
+#define FM_AUDIO_IO_PA26		26
+#define FM_AUDIO_IO_PA27		27
+#define FM_AUDIO_IO_PA28		28
+#define FM_AUDIO_IO_PA29		29
+#define FM_AUDIO_IO_PA30		30
+
+#define AUDIO_IO_GPIO			0xF	/* Flag set to gpio */
+
+#endif	/* _LIGHT_FM_AUDIO_IO_PINCTRL_H */

include/linux/bpf.h

@@ -1472,6 +1472,9 @@ int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
 int bpf_prog_test_run_raw_tp(struct bpf_prog *prog,
 			     const union bpf_attr *kattr,
 			     union bpf_attr __user *uattr);
+int bpf_prog_test_run_sk_lookup(struct bpf_prog *prog,
+				const union bpf_attr *kattr,
+				union bpf_attr __user *uattr);
 bool btf_ctx_access(int off, int size, enum bpf_access_type type,
 		    const struct bpf_prog *prog,
 		    struct bpf_insn_access_aux *info);
@@ -1686,6 +1689,13 @@ static inline int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
 	return -ENOTSUPP;
 }
 
+static inline int bpf_prog_test_run_sk_lookup(struct bpf_prog *prog,
+					      const union bpf_attr *kattr,
+					      union bpf_attr __user *uattr)
+{
+	return -ENOTSUPP;
+}
+
 static inline void bpf_map_put(struct bpf_map *map)
 {
 }

include/linux/firmware/thead/ipc.h

@@ -36,6 +36,7 @@ enum light_aon_misc_func {
 	LIGHT_AON_MISC_FUNC_WDG_POWER_OFF = 9,
 	LIGHT_AON_MISC_FUNC_AON_WDT_ON  = 10,
 	LIGHT_AON_MISC_FUNC_AON_WDT_OFF = 11,
+	LIGHT_AON_MISC_FUNC_AON_RESERVE_MEM = 12,
 };
 
 enum light_aon_pm_func {

include/linux/firmware/thead/light_event.h

@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _LIGHT_EVENT_H
+#define _LIGHT_EVENT_H
+
+enum light_rebootmode_index {
+	/* C902 event rebootmode */
+        LIGHT_EVENT_PMIC_RESET = 0x0,
+        LIGHT_EVENT_PMIC_ONKEY,
+        LIGHT_EVENT_PMIC_POWERUP,
+
+	/* C910 event rebootmode */
+        LIGHT_EVENT_SW_REBOOT = 0x20,
+        LIGHT_EVENT_SW_WATCHDOG,
+        LIGHT_EVENT_SW_PANIC,
+        LIGHT_EVENT_SW_HANG,
+        LIGHT_EVENT_MAX,
+};
+
+#if IS_ENABLED(CONFIG_LIGHT_REBOOTMODE)
+extern int light_event_set_rebootmode(enum light_rebootmode_index mode);
+extern int light_event_get_rebootmode(enum light_rebootmode_index *mode);
+#else
+static int light_event_set_rebootmode(enum light_rebootmode_index mode)
+{
+	return 0;
+}
+static int light_event_get_rebootmode(enum light_rebootmode_index *mode)
+{
+	*mode = LIGHT_EVENT_MAX;
+
+	return 0;
+}
+#endif
+
+#endif

include/linux/skbuff.h

@@ -1088,6 +1088,8 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size);
 struct sk_buff *build_skb_around(struct sk_buff *skb,
 				 void *data, unsigned int frag_size);
 
+void skb_set_alloc_dma32(gfp_t gfp_dma32);
+gfp_t skb_get_alloc_dma32(void);
 /**
  * alloc_skb - allocate a network buffer
  * @size: size to allocate

include/uapi/linux/bpf.h

@@ -5007,7 +5007,10 @@ struct bpf_pidns_info {
 
 /* User accessible data for SK_LOOKUP programs. Add new fields at the end. */
 struct bpf_sk_lookup {
-	__bpf_md_ptr(struct bpf_sock *, sk); /* Selected socket */
+	union {
+		__bpf_md_ptr(struct bpf_sock *, sk); /* Selected socket */
+		__u64 cookie; /* Non-zero if socket was selected in PROG_TEST_RUN */
+	};
 
 	__u32 family;		/* Protocol family (AF_INET, AF_INET6) */
 	__u32 protocol;		/* IP protocol (IPPROTO_TCP, IPPROTO_UDP) */

kernel/panic.c

@@ -32,6 +32,7 @@
 #include <linux/ratelimit.h>
 #include <linux/debugfs.h>
 #include <asm/sections.h>
+#include <linux/firmware/thead/light_event.h>
 
 #define PANIC_TIMER_STEP 100
 #define PANIC_BLINK_SPD 18
@@ -182,7 +183,11 @@ void panic(const char *fmt, ...)
 	int state = 0;
 	int old_cpu, this_cpu;
 	bool _crash_kexec_post_notifiers = crash_kexec_post_notifiers;
+	enum light_rebootmode_index mode;
 
+	if (!light_event_get_rebootmode(&mode) &&
+		mode != LIGHT_EVENT_SW_WATCHDOG)
+		light_event_set_rebootmode(LIGHT_EVENT_SW_PANIC);
 	/*
 	 * Disable local interrupts. This will prevent panic_smp_self_stop
 	 * from deadlocking the first cpu that invokes the panic, since

kernel/softirq.c

@@ -328,10 +328,9 @@ restart:
 			goto restart;
 	}
 
-#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
 	if (pending | deferred)
 		wakeup_softirqd();
-#endif
+
 	lockdep_softirq_end(in_hardirq);
 	account_irq_exit_time(current);
 	__local_bh_enable(SOFTIRQ_OFFSET);

net/bpf/test_run.c

@@ -10,20 +10,86 @@
 #include <net/bpf_sk_storage.h>
 #include <net/sock.h>
 #include <net/tcp.h>
+#include <net/net_namespace.h>
 #include <linux/error-injection.h>
 #include <linux/smp.h>
+#include <linux/sock_diag.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/bpf_test_run.h>
 
+struct bpf_test_timer {
+	enum { NO_PREEMPT, NO_MIGRATE } mode;
+	u32 i;
+	u64 time_start, time_spent;
+};
+
+static void bpf_test_timer_enter(struct bpf_test_timer *t)
+	__acquires(rcu)
+{
+	rcu_read_lock();
+	if (t->mode == NO_PREEMPT)
+		preempt_disable();
+	else
+		migrate_disable();
+
+	t->time_start = ktime_get_ns();
+}
+
+static void bpf_test_timer_leave(struct bpf_test_timer *t)
+	__releases(rcu)
+{
+	t->time_start = 0;
+
+	if (t->mode == NO_PREEMPT)
+		preempt_enable();
+	else
+		migrate_enable();
+	rcu_read_unlock();
+}
+
+static bool bpf_test_timer_continue(struct bpf_test_timer *t, u32 repeat, int *err, u32 *duration)
+	__must_hold(rcu)
+{
+	t->i++;
+	if (t->i >= repeat) {
+		/* We're done. */
+		t->time_spent += ktime_get_ns() - t->time_start;
+		do_div(t->time_spent, t->i);
+		*duration = t->time_spent > U32_MAX ? U32_MAX : (u32)t->time_spent;
+		*err = 0;
+		goto reset;
+	}
+
+	if (signal_pending(current)) {
+		/* During iteration: we've been cancelled, abort. */
+		*err = -EINTR;
+		goto reset;
+	}
+
+	if (need_resched()) {
+		/* During iteration: we need to reschedule between runs. */
+		t->time_spent += ktime_get_ns() - t->time_start;
+		bpf_test_timer_leave(t);
+		cond_resched();
+		bpf_test_timer_enter(t);
+	}
+
+	/* Do another round. */
+	return true;
+
+reset:
+	t->i = 0;
+	return false;
+}
+
 static int bpf_test_run(struct bpf_prog *prog, void *ctx, u32 repeat,
 			u32 *retval, u32 *time, bool xdp)
 {
 	struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE] = { NULL };
+	struct bpf_test_timer t = { NO_MIGRATE };
 	enum bpf_cgroup_storage_type stype;
-	u64 time_start, time_spent = 0;
+	int ret;
-	int ret = 0;
-	u32 i;
 
 	for_each_cgroup_storage_type(stype) {
 		storage[stype] = bpf_cgroup_storage_alloc(prog, stype);
@@ -38,10 +104,8 @@ static int bpf_test_run(struct bpf_prog *prog, void *ctx, u32 repeat,
 	if (!repeat)
 		repeat = 1;
 
-	rcu_read_lock();
+	bpf_test_timer_enter(&t);
-	migrate_disable();
+	do {
-	time_start = ktime_get_ns();
-	for (i = 0; i < repeat; i++) {
 		ret = bpf_cgroup_storage_set(storage);
 		if (ret)
 			break;
@@ -53,29 +117,8 @@ static int bpf_test_run(struct bpf_prog *prog, void *ctx, u32 repeat,
 
 		bpf_cgroup_storage_unset();
 
-		if (signal_pending(current)) {
+	} while (bpf_test_timer_continue(&t, repeat, &ret, time));
-			ret = -EINTR;
+	bpf_test_timer_leave(&t);
-			break;
-		}
-
-		if (need_resched()) {
-			time_spent += ktime_get_ns() - time_start;
-			migrate_enable();
-			rcu_read_unlock();
-
-			cond_resched();
-
-			rcu_read_lock();
-			migrate_disable();
-			time_start = ktime_get_ns();
-		}
-	}
-	time_spent += ktime_get_ns() - time_start;
-	migrate_enable();
-	rcu_read_unlock();
-
-	do_div(time_spent, repeat);
-	*time = time_spent > U32_MAX ? U32_MAX : (u32)time_spent;
 
 	for_each_cgroup_storage_type(stype)
 		bpf_cgroup_storage_free(storage[stype]);
@@ -688,18 +731,17 @@ int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
 				     const union bpf_attr *kattr,
 				     union bpf_attr __user *uattr)
 {
+	struct bpf_test_timer t = { NO_PREEMPT };
 	u32 size = kattr->test.data_size_in;
 	struct bpf_flow_dissector ctx = {};
 	u32 repeat = kattr->test.repeat;
 	struct bpf_flow_keys *user_ctx;
 	struct bpf_flow_keys flow_keys;
-	u64 time_start, time_spent = 0;
 	const struct ethhdr *eth;
 	unsigned int flags = 0;
 	u32 retval, duration;
 	void *data;
 	int ret;
-	u32 i;
 
 	if (prog->type != BPF_PROG_TYPE_FLOW_DISSECTOR)
 		return -EINVAL;
@@ -735,39 +777,15 @@ int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
 	ctx.data = data;
 	ctx.data_end = (__u8 *)data + size;
 
-	rcu_read_lock();
+	bpf_test_timer_enter(&t);
-	preempt_disable();
+	do {
-	time_start = ktime_get_ns();
+ 		retval = bpf_flow_dissect(prog, &ctx, eth->h_proto, ETH_HLEN,
-	for (i = 0; i < repeat; i++) {
+ 					  size, flags);
-		retval = bpf_flow_dissect(prog, &ctx, eth->h_proto, ETH_HLEN,
+	} while (bpf_test_timer_continue(&t, repeat, &ret, &duration));
-					  size, flags);
+	bpf_test_timer_leave(&t);
 
-		if (signal_pending(current)) {
+	if (ret < 0)
-			preempt_enable();
+		goto out;
-			rcu_read_unlock();
-
-			ret = -EINTR;
-			goto out;
-		}
-
-		if (need_resched()) {
-			time_spent += ktime_get_ns() - time_start;
-			preempt_enable();
-			rcu_read_unlock();
-
-			cond_resched();
-
-			rcu_read_lock();
-			preempt_disable();
-			time_start = ktime_get_ns();
-		}
-	}
-	time_spent += ktime_get_ns() - time_start;
-	preempt_enable();
-	rcu_read_unlock();
-
-	do_div(time_spent, repeat);
-	duration = time_spent > U32_MAX ? U32_MAX : (u32)time_spent;
 
 	ret = bpf_test_finish(kattr, uattr, &flow_keys, sizeof(flow_keys),
 			      retval, duration);
@@ -780,3 +798,106 @@ out:
 	kfree(data);
 	return ret;
 }
+
+int bpf_prog_test_run_sk_lookup(struct bpf_prog *prog, const union bpf_attr *kattr,
+				union bpf_attr __user *uattr)
+{
+	struct bpf_test_timer t = { NO_PREEMPT };
+	struct bpf_prog_array *progs = NULL;
+	struct bpf_sk_lookup_kern ctx = {};
+	u32 repeat = kattr->test.repeat;
+	struct bpf_sk_lookup *user_ctx;
+	u32 retval, duration;
+	int ret = -EINVAL;
+
+	if (prog->type != BPF_PROG_TYPE_SK_LOOKUP)
+		return -EINVAL;
+
+	if (kattr->test.flags || kattr->test.cpu)
+		return -EINVAL;
+
+	if (kattr->test.data_in || kattr->test.data_size_in || kattr->test.data_out ||
+	    kattr->test.data_size_out)
+		return -EINVAL;
+
+	if (!repeat)
+		repeat = 1;
+
+	user_ctx = bpf_ctx_init(kattr, sizeof(*user_ctx));
+	if (IS_ERR(user_ctx))
+		return PTR_ERR(user_ctx);
+
+	if (!user_ctx)
+		return -EINVAL;
+
+	if (user_ctx->sk)
+		goto out;
+
+	if (!range_is_zero(user_ctx, offsetofend(typeof(*user_ctx), local_port), sizeof(*user_ctx)))
+		goto out;
+
+	if (user_ctx->local_port > U16_MAX || user_ctx->remote_port > U16_MAX) {
+		ret = -ERANGE;
+		goto out;
+	}
+
+	ctx.family = (u16)user_ctx->family;
+	ctx.protocol = (u16)user_ctx->protocol;
+	ctx.dport = (u16)user_ctx->local_port;
+	ctx.sport = (__force __be16)user_ctx->remote_port;
+
+	switch (ctx.family) {
+	case AF_INET:
+		ctx.v4.daddr = (__force __be32)user_ctx->local_ip4;
+		ctx.v4.saddr = (__force __be32)user_ctx->remote_ip4;
+		break;
+
+#if IS_ENABLED(CONFIG_IPV6)
+	case AF_INET6:
+		ctx.v6.daddr = (struct in6_addr *)user_ctx->local_ip6;
+		ctx.v6.saddr = (struct in6_addr *)user_ctx->remote_ip6;
+		break;
+#endif
+
+	default:
+		ret = -EAFNOSUPPORT;
+		goto out;
+	}
+
+	progs = bpf_prog_array_alloc(1, GFP_KERNEL);
+	if (!progs) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	progs->items[0].prog = prog;
+
+	bpf_test_timer_enter(&t);
+	do {
+		ctx.selected_sk = NULL;
+		retval = BPF_PROG_SK_LOOKUP_RUN_ARRAY(progs, ctx, BPF_PROG_RUN);
+	} while (bpf_test_timer_continue(&t, repeat, &ret, &duration));
+	bpf_test_timer_leave(&t);
+
+	if (ret < 0)
+		goto out;
+
+	user_ctx->cookie = 0;
+	if (ctx.selected_sk) {
+		if (ctx.selected_sk->sk_reuseport && !ctx.no_reuseport) {
+			ret = -EOPNOTSUPP;
+			goto out;
+		}
+
+		user_ctx->cookie = sock_gen_cookie(ctx.selected_sk);
+	}
+
+	ret = bpf_test_finish(kattr, uattr, NULL, 0, retval, duration);
+	if (!ret)
+		ret = bpf_ctx_finish(kattr, uattr, user_ctx, sizeof(*user_ctx));
+
+out:
+	bpf_prog_array_free(progs);
+	kfree(user_ctx);
+	return ret;
+}

net/core/filter.c

@@ -10295,6 +10295,7 @@ static u32 sk_lookup_convert_ctx_access(enum bpf_access_type type,
 }
 
 const struct bpf_prog_ops sk_lookup_prog_ops = {
+	.test_run = bpf_prog_test_run_sk_lookup,
 };
 
 const struct bpf_verifier_ops sk_lookup_verifier_ops = {

net/core/skbuff.c

@@ -87,6 +87,21 @@ static struct kmem_cache *skbuff_ext_cache __ro_after_init;
 #endif
 int sysctl_max_skb_frags __read_mostly = MAX_SKB_FRAGS;
 EXPORT_SYMBOL(sysctl_max_skb_frags);
+gfp_t skb_gfp_dma32 = 0;
+
+void skb_set_alloc_dma32(gfp_t gfp_dma32)
+{
+	if(gfp_dma32 | GFP_DMA32)
+		skb_gfp_dma32 = __GFP_DMA32;
+	else
+		skb_gfp_dma32 = 0;
+}
+EXPORT_SYMBOL(skb_set_alloc_dma32);
+gfp_t skb_get_alloc_dma32(void)
+{
+	return skb_gfp_dma32;
+}
+EXPORT_SYMBOL(skb_get_alloc_dma32);
 
 /**
  *	skb_panic - private function for out-of-line support
@@ -379,7 +394,7 @@ static void *__napi_alloc_frag(unsigned int fragsz, gfp_t gfp_mask)
 {
 	struct napi_alloc_cache *nc = this_cpu_ptr(&napi_alloc_cache);
 
-	return page_frag_alloc(&nc->page, fragsz, gfp_mask);
+	return page_frag_alloc(&nc->page, fragsz, gfp_mask | skb_gfp_dma32);
 }
 
 void *napi_alloc_frag(unsigned int fragsz)
@@ -405,10 +420,10 @@ void *netdev_alloc_frag(unsigned int fragsz)
 	fragsz = SKB_DATA_ALIGN(fragsz);
 	if (in_irq() || irqs_disabled()) {
 		nc = this_cpu_ptr(&netdev_alloc_cache);
-		data = page_frag_alloc(nc, fragsz, GFP_ATOMIC);
+		data = page_frag_alloc(nc, fragsz, GFP_ATOMIC | skb_gfp_dma32);
 	} else {
 		local_bh_disable();
-		data = __napi_alloc_frag(fragsz, GFP_ATOMIC);
+		data = __napi_alloc_frag(fragsz, GFP_ATOMIC | skb_gfp_dma32);
 		local_bh_enable();
 	}
 	return data;
@@ -458,12 +473,12 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int len,
 
 	if (in_irq() || irqs_disabled()) {
 		nc = this_cpu_ptr(&netdev_alloc_cache);
-		data = page_frag_alloc(nc, len, gfp_mask);
+		data = page_frag_alloc(nc, len, gfp_mask | skb_gfp_dma32);
 		pfmemalloc = nc->pfmemalloc;
 	} else {
 		local_bh_disable();
 		nc = this_cpu_ptr(&napi_alloc_cache.page);
-		data = page_frag_alloc(nc, len, gfp_mask);
+		data = page_frag_alloc(nc, len, gfp_mask | skb_gfp_dma32);
 		pfmemalloc = nc->pfmemalloc;
 		local_bh_enable();
 	}
@@ -531,7 +546,7 @@ struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int len,
 	if (sk_memalloc_socks())
 		gfp_mask |= __GFP_MEMALLOC;
 
-	data = page_frag_alloc(&nc->page, len, gfp_mask);
+	data = page_frag_alloc(&nc->page, len, gfp_mask | skb_gfp_dma32);
 	if (unlikely(!data))
 		return NULL;
 

sound/soc/codecs/es7210.h

@@ -69,5 +69,19 @@
 #define ES7210_MIC4_LP_REG4A		0x4A
 #define ES7210_MIC12_PDN_REG4B		0x4B
 #define ES7210_MIC34_PDN_REG4C		0x4C
-    
+
+/* codec private data */
+struct es7210_priv {
+        struct regmap *regmap;
+        struct i2c_client *i2c_client;
+        unsigned int dmic_enable;
+        unsigned int sysclk;
+        struct clk *mclk;
+        struct snd_pcm_hw_constraint_list *sysclk_constraints;
+        unsigned int tdm_mode;
+        struct delayed_work pcm_pop_work;
+        int mclk_lrck_ratio;
+        int pcm_format;
+};
+
 #endif	/* _ES7210_H_ */

sound/soc/codecs/es8156.c

@@ -36,6 +36,7 @@
 #define GPIO_LOW  0
 #define GPIO_HIGH 1
 #define es8156_DEF_VOL			0xBF
+#define ES8156_VOL_MAX			0xBF
 /*
 * If your system doesn't have MCLK, define this to 0 or the
 * driver will crash.
@@ -115,7 +116,7 @@ static const struct snd_kcontrol_new es8156_snd_controls[] = {
 	4,0,15,0),
 	/* DAC Digital controls */
 	SOC_SINGLE_TLV("DAC Playback Volume", ES8156_VOLUME_CONTROL_REG14,
-			  0, 0xff, 0, dac_vol_tlv),
+			  0, ES8156_VOL_MAX, 0, dac_vol_tlv),
 	SOC_SINGLE("HP Switch",ES8156_ANALOG_SYS3_REG22,3,1,0),
 
 
@@ -123,7 +124,7 @@ static const struct snd_kcontrol_new es8156_snd_controls[] = {
 
 
 static const struct snd_soc_dapm_widget es8156_dapm_widgets[] = {
-	SND_SOC_DAPM_AIF_OUT("SDOUT", "I2S Capture", 0,
+	SND_SOC_DAPM_AIF_OUT("AIFSDOUT", "I2S Capture", 0,
 			     ES8156_P2S_CONTROL_REG0D, 2, 0),
 
 	SND_SOC_DAPM_AIF_IN("SDIN", "I2S Playback", 0,
@@ -279,7 +280,7 @@ static int es8156_set_bias_level(struct snd_soc_component *codec,
 							snd_soc_component_write(codec, ES8156_ANALOG_SYS4_REG23,0x00);
 						snd_soc_component_write(codec, ES8156_TIME_CONTROL1_REG0A,0x01);
 						snd_soc_component_write(codec, ES8156_TIME_CONTROL2_REG0B,0x01);	
-						snd_soc_component_write(codec, ES8156_VOLUME_CONTROL_REG14,0xBF);	
+						//snd_soc_component_write(codec, ES8156_VOLUME_CONTROL_REG14,0xBF);
 						snd_soc_component_write(codec, ES8156_MAINCLOCK_CTL_REG01,0x21); 
 						snd_soc_component_write(codec, ES8156_P2S_CONTROL_REG0D,0x14);
 						snd_soc_component_write(codec, ES8156_MISC_CONTROL3_REG18,0x00);
@@ -299,7 +300,7 @@ static int es8156_set_bias_level(struct snd_soc_component *codec,
 		break;
 
 	case SND_SOC_BIAS_OFF:
-		snd_soc_component_write(codec,  ES8156_VOLUME_CONTROL_REG14, 0x00);
+		//snd_soc_component_write(codec,  ES8156_VOLUME_CONTROL_REG14, 0x00);
 		snd_soc_component_write(codec,  ES8156_EQ_CONTROL1_REG19, 0x02);
 		snd_soc_component_write(codec,  ES8156_ANALOG_SYS2_REG21, 0x1F);
 		snd_soc_component_write(codec,  ES8156_ANALOG_SYS3_REG22, 0x02);
@@ -489,6 +490,7 @@ const struct regmap_config es8156_regmap_config = {
 };
 
 static struct snd_soc_component_driver soc_codec_dev_es8156 = {
+	.name = "es8156",
 	.probe =	es8156_probe,
 	.remove =	es8156_remove,
 	.suspend =	es8156_suspend,

sound/soc/generic/simple-card-utils.c

@@ -145,16 +145,19 @@ EXPORT_SYMBOL_GPL(asoc_simple_parse_card_name);
 
 static int asoc_simple_clk_enable(struct asoc_simple_dai *dai)
 {
-	if (dai)
+	if (dai) {
-		return clk_prepare_enable(dai->clk);
+		if (!IS_ERR_OR_NULL(dai->clk))
-
+			return clk_prepare_enable(dai->clk);
+	}
 	return 0;
 }
 
 static void asoc_simple_clk_disable(struct asoc_simple_dai *dai)
 {
-	if (dai)
+	if (dai) {
-		clk_disable_unprepare(dai->clk);
+		if (!IS_ERR_OR_NULL(dai->clk))
+			clk_disable_unprepare(dai->clk);
+	}
 }
 
 int asoc_simple_parse_clk(struct device *dev,
@@ -182,6 +185,7 @@ int asoc_simple_parse_clk(struct device *dev,
 		clk = devm_get_clk_from_child(dev, dlc->of_node, NULL);
 		if (!IS_ERR(clk))
 			simple_dai->sysclk = clk_get_rate(clk);
+		simple_dai->clk = NULL; // avoid invalid clk pointer like 0x00000000d
 	}
 
 	if (of_property_read_bool(node, "system-clock-direction-out"))
@@ -242,7 +246,11 @@ static int asoc_simple_set_clk_rate(struct asoc_simple_dai *simple_dai,
 	if (clk_get_rate(simple_dai->clk) == rate)
 		return 0;
 
-	return clk_set_rate(simple_dai->clk, rate);
+	if (!IS_ERR_OR_NULL(simple_dai->clk)) {
+		return clk_set_rate(simple_dai->clk, rate);
+	} else {
+		return 0;
+	}
 }
 
 int asoc_simple_hw_params(struct snd_pcm_substream *substream,

sound/soc/thead/Makefile

@@ -1,5 +1,7 @@
 # CPU DAI drivers
 
 obj-$(CONFIG_SND_SOC_THEAD_LIGHT) += light-i2s.o
+obj-$(CONFIG_SND_SOC_THEAD_LIGHT) += light-tdm.o
 obj-$(CONFIG_SND_SOC_THEAD_LIGHT) += light-pcm-dma.o
+obj-$(CONFIG_SND_SOC_THEAD_LIGHT) += light-dummy-pcm.o
 obj-$(CONFIG_SND_SOC_AW87519) += aw87519_audio.o

sound/soc/thead/aw87519_audio.c

@@ -35,6 +35,9 @@
 #include <linux/timer.h>
 #include <linux/workqueue.h>
 #include <linux/hrtimer.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <linux/regmap.h>
 #include "aw87519_audio.h"
 
 /*******************************************************************************
@@ -140,7 +143,6 @@ unsigned char aw87519_audio_receiver(void)
 	unsigned int i;
 	unsigned int length;
 
-	pr_info("%s enter\n", __func__);
 	if (aw87519 == NULL)
 		return 2;
 
@@ -169,8 +171,6 @@ unsigned char aw87519_audio_speaker(void)
 	unsigned int i;
 	unsigned int length;
 
-	pr_info("%s enter\n", __func__);
-
 	if (aw87519 == NULL)
 		return 2;
 
@@ -577,6 +577,79 @@ retry:
 	return -EINVAL;
 }
 
+static const DECLARE_TLV_DB_RANGE(aw87519_tlv,
+	8, 12, TLV_DB_SCALE_ITEM(1200,150, 0)
+);
+
+static const struct snd_kcontrol_new aw87519_controls[] = {
+	SOC_SINGLE_TLV("Speaker Playback Volume", REG_PAGR, 0, 12, 0, aw87519_tlv),
+};
+
+static int aw87519_component_probe(struct snd_soc_component* component)
+{
+	struct aw87519 *pa = snd_soc_component_get_drvdata(component);
+
+	return 0; // snd_soc_add_component_controls(component, aw87519_controls, ARRAY_SIZE(aw87519_controls));
+}
+
+static int  aw87519_power_event(struct snd_soc_dapm_widget *w,
+				 struct snd_kcontrol *kctrl, int event)
+{
+	struct snd_soc_component *c = snd_soc_dapm_to_component(w->dapm);
+	struct aw87519 *pa = snd_soc_component_get_drvdata(c);
+
+	if (SND_SOC_DAPM_EVENT_ON(event)) {
+		/* Before widget power up: turn chip on, sync registers */
+		aw87519_audio_speaker();
+	} else {
+		/* After widget power down: turn chip off */
+		aw87519_audio_off();
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget aw87519_dapm_widgets[] = {
+	SND_SOC_DAPM_INPUT("IN"),
+	SND_SOC_DAPM_OUTPUT("VO"),
+	SND_SOC_DAPM_PGA("PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Power", SND_SOC_NOPM, 0, 0, 
+		aw87519_power_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route aw87519_dapm_routes[] = {
+	{ "PGA", NULL, "IN"},
+	{ "VO", NULL, "PGA"},
+	{ "PGA", NULL, "Power"},
+};
+
+static const struct reg_default aw87519_reg_defaults[] = {
+	{0x69, 0x80}, {0x69, 0xB7}, {0x01, 0xF0}, {0x02, 0x09},
+	{0x03, 0xE8}, {0x04, 0x11}, {0x05, 0x10}, {0x06, 0x43},
+	{0x07, 0x4E}, {0x08, 0x03}, {0x09, 0x08}, {0x0A, 0x4A},
+	{0x60, 0x16}, {0x61, 0x20}, {0x62, 0x01}, {0x63, 0x0B},
+	{0x64, 0xC5}, {0x65, 0xA4}, {0x66, 0x78}, {0x67, 0xC4},
+	{0x68, 0XD0},
+};
+
+const struct regmap_config aw87519_regmap_config = {
+	.reg_bits	= 8,
+	.val_bits	= 8,
+	.max_register	= 0xff,
+	.cache_type	= REGCACHE_RBTREE,
+	.reg_defaults = aw87519_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(aw87519_reg_defaults),
+};
+
+static const struct snd_soc_component_driver aw87519_component_driver = {
+	.name = "aw87519",
+	.probe = aw87519_component_probe,
+	.dapm_widgets = aw87519_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(aw87519_dapm_widgets),
+	.dapm_routes = aw87519_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(aw87519_dapm_routes),
+};
+
 /*******************************************************************************
  * aw87519 i2c driver
  ******************************************************************************/
@@ -599,6 +672,13 @@ static int aw87519_i2c_probe(struct i2c_client *client,
 		goto exit_devm_kzalloc_failed;
 	}
 
+	aw87519->regmap = devm_regmap_init_i2c(client, &aw87519_regmap_config);
+	if (IS_ERR(aw87519->regmap)) {
+		ret = PTR_ERR(aw87519->regmap);
+		dev_err(&client->dev, "Failed to init regmap: %d\n", ret);
+		return ret;
+	}
+
 	aw87519->i2c_client = client;
 	i2c_set_clientdata(client, aw87519);
 
@@ -650,7 +730,7 @@ static int aw87519_i2c_probe(struct i2c_client *client,
 	/* aw87519 hardware off */
 	aw87519_hw_off(aw87519);
 
-	return 0;
+	return devm_snd_soc_register_component(&client->dev, &aw87519_component_driver, NULL, 0);
 
 exit_i2c_check_id_failed:
 exit_gpio_request_failed:
@@ -711,7 +791,7 @@ static void __exit aw87519_pa_exit(void)
 	i2c_del_driver(&aw87519_i2c_driver);
 }
 
-late_initcall(aw87519_pa_init);
+module_init(aw87519_pa_init);
 module_exit(aw87519_pa_exit);
 
 MODULE_DESCRIPTION("AWINIC AW87519 PA driver");

sound/soc/thead/aw87519_audio.h

@@ -72,6 +72,9 @@ unsigned char aw87519_rcv_cfg_default[] = {
 #define REG_PAGC2PR		0x09
 #define REG_PAGC1PR		0x0A
 
+#define AW87519_EN_SW_SHIFT 	7
+#define AW87519_EN_PA_SHIFT		4
+
 #define AW87519_CHIPID		0x59
 #define AW87519_REG_MAX		11
 
@@ -90,6 +93,7 @@ struct aw87519 {
 	struct mutex cfg_lock;
 	struct work_struct cfg_work;
 	struct delayed_work ram_work;
+	struct regmap *regmap;
 };
 
 /*******************************************************************************

sound/soc/thead/light-dummy-pcm.c

@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for ASoC dummy pcm dai
+ * Copyright 2023 Yan Dong <nanli.yd@alibaba-inc.com>
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/soc.h>
+
+static const struct snd_soc_dapm_widget light_dummy_pcm_widgets[] = {
+	SND_SOC_DAPM_INPUT("RX"),
+	SND_SOC_DAPM_OUTPUT("TX"),
+};
+
+static const struct snd_soc_dapm_route light_dummy_pcm_routes[] = {
+	{ "Capture", NULL, "RX" },
+	{ "TX", NULL, "Playback" },
+};
+
+static struct snd_soc_dai_driver light_dummy_pcm_dai[] = {
+	{
+		.name = "dummy-pcm",
+		.playback = {
+			.stream_name = "Playback",
+			.channels_min = 2,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+		.capture = {
+			 .stream_name = "Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,
+		},
+	},
+};
+
+static const struct snd_soc_component_driver soc_component_dev_light_dummy_pcm = {
+	.dapm_widgets		= light_dummy_pcm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(light_dummy_pcm_widgets),
+	.dapm_routes		= light_dummy_pcm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(light_dummy_pcm_routes),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
+
+static int light_dummy_pcm_probe(struct platform_device *pdev)
+{
+	return devm_snd_soc_register_component(&pdev->dev,
+				      &soc_component_dev_light_dummy_pcm,
+				      light_dummy_pcm_dai, ARRAY_SIZE(light_dummy_pcm_dai));
+}
+
+static int light_dummy_pcm_remove(struct platform_device *pdev)
+{
+	return 0;
+}
+
+static const struct platform_device_id light_dummy_pcm_driver_ids[] = {
+	{
+		.name		= "light-dummy-pcm",
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(platform, light_dummy_pcm_driver_ids);
+
+#if defined(CONFIG_OF)
+static const struct of_device_id light_dummy_pcm_codec_of_match[] = {
+	{ .compatible = "thead,light-dummy-pcm", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, light_dummy_pcm_codec_of_match);
+#endif
+
+static struct platform_driver light_dummy_pcm_driver = {
+	.driver = {
+		.name = "light-dummy-pcm",
+		.of_match_table = of_match_ptr(light_dummy_pcm_codec_of_match),
+	},
+	.probe = light_dummy_pcm_probe,
+	.remove = light_dummy_pcm_remove,
+	.id_table = light_dummy_pcm_driver_ids,
+};
+
+module_platform_driver(light_dummy_pcm_driver);
+
+MODULE_AUTHOR("Yan Dong <nanli.yd@alibaba-inc.com>");
+MODULE_DESCRIPTION("ASoC dummy pcm dai driver");
+MODULE_LICENSE("GPL");

sound/soc/thead/light-i2s.c

@@ -122,27 +122,11 @@ static inline void light_snd_txctrl(struct light_i2s_priv *chip, bool on)
 	} else {
 		dma_en &= ~DMACR_TDMAE_EN;
 		i2s_en &= ~IISEN_I2SEN;
-		i2s_status  = readl(chip->regs + I2S_SR);
-		while ((i2s_status & SR_TXBUSY_STATUS) || !(i2s_status & SR_TFNF_TX_FIFO_NOT_FULL)) {
-			i2s_status  = readl(chip->regs + I2S_SR);
-		}
-
 		i2s_imr  = readl(chip->regs + I2S_IMR);
-
 		i2s_imr &= ~(IMR_TXUIRM_INTR_MSK);
 		i2s_imr &= ~(IMR_TXEIM_INTR_MSK);
-
 		writel(i2s_imr, chip->regs + I2S_IMR);
-		i2s_imr  = readl(chip->regs + I2S_IMR);
-
 		writel(dma_en, chip->regs + I2S_DMACR);
-
-		i2s_status  = readl(chip->regs + I2S_SR);
-		while ((i2s_status & SR_TXBUSY_STATUS) || !(i2s_status & SR_TFE_TX_FIFO_EMPTY)) {
-			i2s_status  = readl(chip->regs + I2S_SR);
-		}
-
-		mdelay(10);
 		writel(i2s_en, chip->regs + I2S_IISEN);
 	}
 }
@@ -205,14 +189,15 @@ static int light_i2s_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 			light_snd_rxctrl(i2s_private, 1);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
-        case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
-        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		if (tx)
+		if (tx) {
+			dmaengine_terminate_async(snd_dmaengine_pcm_get_chan(substream));  // work around for DMAC stop issue
 			light_snd_txctrl(i2s_private, 0);
-                break;
+		}
-
+		break;
-        default:
+    default:
-                return -EINVAL;
+        return -EINVAL;
 
 	}
 

sound/soc/thead/light-tdm.c

@@ -0,0 +1,629 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+ #include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/pm_runtime.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/scatterlist.h>
+#include <linux/sh_dma.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/workqueue.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+#include <sound/sh_fsi.h>
+#include "light-pcm.h"
+#include "light-tdm.h"
+#include <linux/dmaengine.h>
+#include <linux/regmap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/dmaengine_pcm.h>
+#include <linux/mfd/syscon.h>
+#include <dt-bindings/pinctrl/light-fm-aon-pinctrl.h>
+
+#define LIGHT_RATES SNDRV_PCM_RATE_8000_384000
+#define LIGHT_FMTS (SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8)
+
+static int light_tdm_dai_probe(struct snd_soc_dai *dai)
+{
+    struct light_tdm_priv *tdm = snd_soc_dai_get_drvdata(dai);
+
+    if (tdm) {
+        snd_soc_dai_init_dma_data(dai, NULL, &tdm->dma_params_rx);
+    } else {
+        return -EIO;
+    }
+
+    return 0;
+}
+
+static int light_tdm_dai_startup(struct snd_pcm_substream *substream,
+			   struct snd_soc_dai *dai)
+{
+	return 0;
+}
+
+static void light_tdm_snd_rxctrl(struct light_tdm_priv *priv, char on)
+{
+    if (priv->slot_num != 1) {
+        return;
+    }
+
+    regmap_update_bits(priv->regmap, TDM_DMACTL,
+            DMACTL_DMAEN_MSK, DMACTL_DMAEN_SEL(on));
+    regmap_update_bits(priv->regmap, TDM_TDMEN,
+            TDMCTL_TDMEN_MSK, TDMCTL_TDMEN_SEL(on));
+    u32 dmactl;
+    u32 tdmen;
+    regmap_read(priv->regmap, TDM_DMACTL, &dmactl);
+    regmap_read(priv->regmap, TDM_TDMEN, &tdmen);
+    //printk("%s TDM_DMACTL=0x%x TDM_TDMEN=0x%x\n", __func__, dmactl, tdmen);
+    return;
+}
+
+static void light_tdm_dai_shutdown(struct snd_pcm_substream *substream,
+			     struct snd_soc_dai *dai)
+{
+	struct light_tdm_priv *priv = snd_soc_dai_get_drvdata(dai);
+
+       if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+		light_tdm_snd_rxctrl(priv, 0);
+
+	clk_disable_unprepare(priv->clk);
+}
+
+static int light_tdm_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
+{
+    int ret = 0;
+    struct light_tdm_priv *priv = snd_soc_dai_get_drvdata(dai);
+
+    switch(cmd) {
+        case SNDRV_PCM_TRIGGER_START:
+        case SNDRV_PCM_TRIGGER_RESUME:
+        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+            light_tdm_snd_rxctrl(priv, 1);
+            break;
+        case SNDRV_PCM_TRIGGER_STOP:
+        case SNDRV_PCM_TRIGGER_SUSPEND:
+        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+            light_tdm_snd_rxctrl(priv, 0);
+            break;
+        default:
+            return -EINVAL;
+    }    
+
+    return ret;
+}
+
+static int light_tdm_set_fmt_dai(struct snd_soc_dai *dai, unsigned int fmt)
+{
+    struct light_tdm_priv *priv = snd_soc_dai_get_drvdata(dai);
+    u32 cnfin = 0;
+
+    if (priv->slot_num != 1) {
+        return 0;
+    }
+    
+    printk("%s fmt=%d\n", __func__, fmt);
+    switch(fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+        case SND_SOC_DAIFMT_DSP_B:
+            break;
+        default:
+            pr_err("Unknown fmt dai\n");
+            return -EIO;
+    }
+
+	regmap_update_bits(priv->regmap, TDM_TDMCTL,
+			TDMCTL_MODE_MSK,
+			TDMCTL_MODE_SEL(TDM_MODE_MASTER));
+	regmap_update_bits(priv->regmap, TDM_TDMCTL,
+			TDMCTL_SPEDGE_MSK,
+			TDMCTL_SPEDGE_SEL(1));
+    regmap_update_bits(priv->regmap, TDM_DMADL,
+            DMACTL_DMADL_MSK, DMACTL_DMADL_SEL(0));
+    u32 tdmctl;
+    u32 dmadl;
+    regmap_read(priv->regmap, TDM_TDMCTL, &tdmctl);
+    regmap_read(priv->regmap, TDM_DMADL, &dmadl);
+    printk("%s TDM_TDMCTL=0x%x TDM_DMADL=0x%x\n", __func__, tdmctl, dmadl);
+    printk("%s %d\n", __func__, __LINE__);
+    return 0;
+}
+
+static u32 light_special_sample_rates[] = { 11025, 22050, 44100, 88200 };
+#define AUDIO_DIVCLK0  49152000
+#define AUDIO_DIVCLK1 135475200
+
+static void light_tdm_set_div(struct light_tdm_priv *priv, struct snd_pcm_hw_params *params)
+{
+    bool is_divclk1 = false; //audio_divclk1 for 44.1k...etc. audio_divclk0 for 48k....etc
+    u32 src_clk;
+    u32 div0, i, width;
+    u32 sample_rate = params_rate(params);
+
+    switch(params_format(params)) {
+        case SNDRV_PCM_FORMAT_S16_LE:
+            width = 16;
+            break;
+        case SNDRV_PCM_FORMAT_S24_LE:
+            width = 24;
+            break;
+        case SNDRV_PCM_FORMAT_S32_LE:
+            width = 32;
+            break;
+        default:
+            pr_err("Unknown data format\n");
+            return;
+    }
+
+    for (i = 0; i < ARRAY_SIZE(light_special_sample_rates); i++) {
+        if (light_special_sample_rates[i] == sample_rate) {
+            is_divclk1 = true;
+            break;
+        }
+    }
+
+    if (is_divclk1 == false) { // audio_divclk0=49152000 for 48k
+        regmap_update_bits(priv->audio_cpr_regmap,
+                        CPR_PERI_CLK_SEL_REG, CPR_TDM_SRC_SEL_MSK, CPR_TDM_SRC_SEL(0));
+        src_clk = AUDIO_DIVCLK0;
+    } else { // audio_divclk1=135475200 for 44.1k
+        regmap_update_bits(priv->audio_cpr_regmap,
+                        CPR_PERI_CLK_SEL_REG, CPR_TDM_SRC_SEL_MSK, CPR_TDM_SRC_SEL(2));
+        src_clk = AUDIO_DIVCLK1;
+    }
+    div0 = src_clk / (sample_rate * (width * priv->slots));
+	regmap_update_bits(priv->regmap, TDM_DIV0_LEVEL,
+			TDMCTL_DIV0_MASK, div0);
+    //printk("src_clk=%d sample_rate=%d priv->slots=%d width=%d div0=%d\n", src_clk, sample_rate, priv->slots, width, div0);
+}
+
+
+static int light_tdm_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+    struct light_tdm_priv *priv =  snd_soc_dai_get_drvdata(dai);
+    u32 datawth, chn_num;
+
+    if ( params_channels(params) != 1) {
+        pr_err("Not support channel num\n");
+        return -EINVAL;
+    }
+
+    if (priv->slot_num != 1) {
+        return 0;
+    }
+
+    switch(params_format(params)) {
+        case SNDRV_PCM_FORMAT_S16_LE:
+            datawth = TDMCTL_DATAWTH_16BIT_PACKED; // TDMCTL_DATAWTH_16BIT
+            break;
+        case SNDRV_PCM_FORMAT_S24_LE:
+            datawth = TDMCTL_DATAWTH_24BIT;
+            break;
+        case SNDRV_PCM_FORMAT_S32_LE:
+            datawth = TDMCTL_DATAWTH_32BIT;
+            break;
+        default:
+            pr_err("Unknown data format\n");
+            return -EINVAL;
+    }
+
+    switch(priv->slots) {
+        case 2:
+            chn_num = TDMCTL_CHNUM_2;
+            break;
+        case 4:
+            chn_num = TDMCTL_CHNUM_4;
+            break;
+        case 6:
+            chn_num = TDMCTL_CHNUM_6;
+            break;
+        case 8:
+            chn_num = TDMCTL_CHNUM_8;
+            break;
+        default:
+            pr_err("Not support slot num\n");
+            return -EINVAL;
+    }
+
+	regmap_update_bits(priv->regmap, TDM_TDMCTL,
+			TDMCTL_DATAWTH_MSK, TDMCTL_DATAWTH_SEL(datawth));
+	regmap_update_bits(priv->regmap, TDM_TDMCTL,
+			TDMCTL_CHNUM_MSK, TDMCTL_CHNUM_SEL(chn_num));   
+    u32 tdmctl;
+    regmap_read(priv->regmap, TDM_TDMCTL, &tdmctl);
+    //printk("%s TDM_TDMCTL=0x%x\n", __func__, tdmctl); 
+    light_tdm_set_div(priv, params);
+
+    return 0;
+}
+
+
+static const struct snd_soc_dai_ops light_tdm_dai_ops = {
+    .startup = light_tdm_dai_startup,
+    .shutdown = light_tdm_dai_shutdown,
+    .trigger = light_tdm_dai_trigger,
+    .set_fmt = light_tdm_set_fmt_dai,
+    .hw_params = light_tdm_dai_hw_params,
+};
+
+static struct snd_soc_dai_driver light_tdm_soc_dai[] = {
+    {
+        .probe = light_tdm_dai_probe,
+        .name = "light-tdm-dai-slot1",
+        .capture = {
+            .rates = LIGHT_RATES,
+            .formats = LIGHT_FMTS,
+            .channels_min = 1,
+            .channels_max = 1,
+        },
+        .ops = &light_tdm_dai_ops,
+    },
+    {
+        .probe = light_tdm_dai_probe,
+        .name = "light-tdm-dai-slot2",
+        .capture = {
+            .rates = LIGHT_RATES,
+            .formats = LIGHT_FMTS,
+            .channels_min = 1,
+            .channels_max = 1,
+        },
+        .ops = &light_tdm_dai_ops,
+    },
+    {
+        .probe = light_tdm_dai_probe,
+        .name = "light-tdm-dai-slot3",
+        .capture = {
+            .rates = LIGHT_RATES,
+            .formats = LIGHT_FMTS,
+            .channels_min = 1,
+            .channels_max = 1,
+        },
+        .ops = &light_tdm_dai_ops,
+    },
+    {
+        .probe = light_tdm_dai_probe,
+        .name = "light-tdm-dai-slot4",
+        .capture = {
+            .rates = LIGHT_RATES,
+            .formats = LIGHT_FMTS,
+            .channels_min = 1,
+            .channels_max = 1,
+        },
+        .ops = &light_tdm_dai_ops,
+    },
+    {
+        .probe = light_tdm_dai_probe,
+        .name = "light-tdm-dai-slot5",
+        .capture = {
+            .rates = LIGHT_RATES,
+            .formats = LIGHT_FMTS,
+            .channels_min = 1,
+            .channels_max = 1,
+        },
+        .ops = &light_tdm_dai_ops,
+    },
+    {
+        .probe = light_tdm_dai_probe,
+        .name = "light-tdm-dai-slot6",
+        .capture = {
+            .rates = LIGHT_RATES,
+            .formats = LIGHT_FMTS,
+            .channels_min = 1,
+            .channels_max = 1,
+        },
+        .ops = &light_tdm_dai_ops,
+    },
+    {
+        .probe = light_tdm_dai_probe,
+        .name = "light-tdm-dai-slot7",
+        .capture = {
+            .rates = LIGHT_RATES,
+            .formats = LIGHT_FMTS,
+            .channels_min = 1,
+            .channels_max = 1,
+        },
+        .ops = &light_tdm_dai_ops,
+    },
+    {
+        .probe = light_tdm_dai_probe,
+        .name = "light-tdm-dai-slot8",
+        .capture = {
+            .rates = LIGHT_RATES,
+            .formats = LIGHT_FMTS,
+            .channels_min = 1,
+            .channels_max = 1,
+        },
+        .ops = &light_tdm_dai_ops,
+    }, 
+};
+
+static const struct snd_soc_component_driver light_tdm_soc_component = {
+	.name		= "light_tdm",
+};
+
+static void light_tdm_pinctrl(struct light_tdm_priv *tdm_priv)
+{
+    //GPIO_SEL
+    regmap_update_bits(tdm_priv->audio_pin_regmap,
+				0x0,0x38000000, 0x38000000);
+    //MUX
+    regmap_update_bits(tdm_priv->audio_pin_regmap,
+				0x8,0xFC00000, 0x5400000);    
+    //strength
+    regmap_update_bits(tdm_priv->audio_pin_regmap,
+				0x44,0x0f, 0x07); // AUDIO_PA28
+    regmap_update_bits(tdm_priv->audio_pin_regmap,
+				0x40,0xF0000, 0x70000); // AUDIO_PA27
+    return;
+}
+
+static const struct regmap_config light_tdm_regmap_config = {
+        .reg_bits = 32,
+        .reg_stride = 4,
+        .val_bits = 32,
+        .max_register = TDM_DIV0_LEVEL,
+        .cache_type = REGCACHE_FLAT,
+};
+
+static int light_tdm_runtime_suspend(struct device *dev)
+{
+        struct light_tdm_priv *priv = dev_get_drvdata(dev);
+
+        if (priv->slot_num != 1) {
+            return 0;
+        }
+
+        regcache_cache_only(priv->regmap, true);
+        clk_disable_unprepare(priv->clk);
+
+	return 0;
+}
+
+static int light_tdm_runtime_resume(struct device *dev)
+{
+        struct light_tdm_priv *priv = dev_get_drvdata(dev);
+        int ret;
+
+        if (priv->slot_num != 1) {
+            return 0;
+        }
+
+        ret = clk_prepare_enable(priv->clk);
+        if (ret) {
+                dev_err(priv->dev, "clock enable failed %d\n", ret);
+                return ret;
+        }
+
+        regcache_cache_only(priv->regmap, false);
+
+        return ret;
+}
+
+static const struct of_device_id light_tdm_of_match[] = {
+	{ .compatible = "light,light-tdm"},
+	{},
+};
+MODULE_DEVICE_TABLE(of, light_tdm_of_match);
+
+irqreturn_t tdm_interrupt(int irq, void* dev_id)
+{
+    struct light_tdm_priv* priv = (struct light_tdm_priv*)dev_id;
+    return IRQ_HANDLED;
+}
+
+static int light_tdm_probe(struct platform_device *pdev)
+{
+    struct device_node *np = pdev->dev.of_node;
+    const char *sprop;
+    const uint32_t *iprop;
+    struct light_tdm_priv *tdm_priv;
+    struct resource *res;
+    struct device *dev = &pdev->dev;
+    unsigned int irq;
+    int data_register, ret = 0;
+
+    tdm_priv = devm_kzalloc(&pdev->dev, sizeof(struct light_tdm_priv), GFP_KERNEL);
+    if (!tdm_priv) {
+        return -ENOMEM;
+    }
+
+    tdm_priv->dev = dev;
+    sprop = of_get_property(np, "light,mode", NULL);
+    if (sprop) {
+        if (!strcmp(sprop, "i2s-master")) {
+            tdm_priv->mode = TDM_MODE_MASTER;
+        } else if (!strcmp(sprop, "i2s-slave")) {
+            tdm_priv->mode = TDM_MODE_SLAVE;
+        } else {
+            dev_err(dev, "invalid light,mode\n");
+            return -EINVAL;
+        }
+    }
+
+	iprop = of_get_property(np, "light,dma_maxburst", NULL);
+	if (iprop)
+		tdm_priv->dma_maxburst = be32_to_cpup(iprop);
+	else
+		tdm_priv->dma_maxburst = 8;
+
+    iprop = of_get_property(np, "light,tdm_slots", NULL);
+    if (iprop) {
+        if (be32_to_cpup(iprop) == 2 || be32_to_cpup(iprop) == 4 || be32_to_cpup(iprop) == 6 || be32_to_cpup(iprop) == 8) {
+            tdm_priv->slots = be32_to_cpup(iprop);
+        } else {
+            dev_err(dev, "invalid light,tdm_slots\n");
+            return -EINVAL;
+        }
+    } else {
+        tdm_priv->slots = 8;
+    }
+
+    iprop = of_get_property(np, "light,tdm_slot_num", NULL);
+    if (iprop) {
+        if (be32_to_cpup(iprop) >=1 && be32_to_cpup(iprop) <=8 ) {
+            tdm_priv->slot_num = be32_to_cpup(iprop);
+        } else {
+            dev_err(dev, "invalid light,tdm_slot_num\n");
+            return -EINVAL;
+        }
+    } else {
+        dev_err(dev, "invalid light,tdm_slot_num\n");
+        return -EINVAL;
+    }
+
+    dev_set_drvdata(dev, tdm_priv);
+
+    res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+    tdm_priv->clk = devm_clk_get(&pdev->dev, "pclk");
+    if (IS_ERR(tdm_priv->clk))
+                return PTR_ERR(tdm_priv->clk);
+
+    if (tdm_priv->slot_num == 1) {
+        tdm_priv->regs = devm_ioremap_resource(dev, res);
+        if (IS_ERR(tdm_priv->regs)) {
+            return PTR_ERR(tdm_priv->regs);
+        }
+
+        tdm_priv->regmap = devm_regmap_init_mmio(dev, tdm_priv->regs,
+                                                    &light_tdm_regmap_config);
+            if (IS_ERR(tdm_priv->regmap)) {
+                    dev_err(dev, "Failed to initialise managed register map\n");
+                    return PTR_ERR(tdm_priv->regmap);
+            }
+
+        tdm_priv->audio_pin_regmap = syscon_regmap_lookup_by_phandle(np, "audio-pin-regmap");
+        if (IS_ERR(tdm_priv->audio_pin_regmap)) {
+            dev_err(dev, "cannot find regmap for audio system register\n");
+            return -EINVAL;
+        } else {
+            light_tdm_pinctrl(tdm_priv);
+        }
+
+        tdm_priv->audio_cpr_regmap = syscon_regmap_lookup_by_phandle(np, "audio-cpr-regmap");
+        if (IS_ERR(tdm_priv->audio_cpr_regmap)) {
+            dev_err(dev, "cannot find regmap for audio cpr register\n");
+            return -EINVAL;
+        }
+        //AUDIO_DIV1 set to 1/6. 812.8512MHz / 6 = 135.4752MHz
+        regmap_update_bits(tdm_priv->audio_cpr_regmap,
+                                CPR_PERI_DIV_SEL_REG, CPR_AUDIO_DIV1_SEL_MSK, CPR_AUDIO_DIV1_SEL(5));
+        //AUDIO_DIV0 set to 1/6. 294.912MHz / 6 = 49.152MHz
+        regmap_update_bits(tdm_priv->audio_cpr_regmap,
+                                CPR_PERI_DIV_SEL_REG, CPR_AUDIO_DIV0_SEL_MSK, CPR_AUDIO_DIV0_SEL(5));
+        //enable clock gate
+        regmap_update_bits(tdm_priv->audio_cpr_regmap,
+                                CPR_IP_CG_REG, CPR_TDM_CG_SEL_MSK, CPR_TDM_CG_SEL(1));
+
+        pm_runtime_enable(&pdev->dev);
+        if (!pm_runtime_enabled(&pdev->dev)) {
+                ret = light_tdm_runtime_resume(&pdev->dev);
+                if (ret) {
+                    pm_runtime_disable(&pdev->dev);
+                    return -EIO;
+                }
+        }
+
+        ret = clk_prepare_enable(tdm_priv->clk);
+            if (ret < 0)
+                    return ret;
+
+        tdm_priv->irq = platform_get_irq(pdev, 0);
+        if (tdm_priv->irq== 0) {
+            dev_err(dev, "could not map IRQ.\n");
+            return -ENXIO;
+        }
+
+        //ret = request_irq(tdm_priv->irq , tdm_interrupt,
+        //		IRQF_SHARED|IRQF_TRIGGER_RISING, "AUDIO_TDM_IRQ", (char *)tdm_priv);
+        //if (ret) {
+        //	dev_err(dev, "%s[%d]:request irq error!\n", __func__, __LINE__);
+        //	return ret;
+        //}
+    }
+
+    switch(tdm_priv->slot_num) {
+        case 1:
+            data_register = TDM_LDR1;
+            break;
+        case 2:
+            data_register = TDM_RDR1;
+            break;
+        case 3:
+            data_register = TDM_LDR2;
+            break;
+        case 4:
+            data_register = TDM_RDR2;
+            break;
+        case 5:
+            data_register = TDM_LDR3;
+            break;
+        case 6:
+            data_register = TDM_RDR3;
+            break;
+        case 7:
+            data_register = TDM_LDR4;
+            break;
+        case 8:
+            data_register = TDM_RDR4;
+            break;
+        default:
+            dev_err(dev, "invalid slot_num\n");
+            return -EINVAL;
+    }
+
+    tdm_priv->dma_params_rx.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+    tdm_priv->dma_params_rx.maxburst = tdm_priv->dma_maxburst;
+    tdm_priv->dma_params_rx.addr = res->start + data_register;
+
+    ret = light_pcm_dma_init(pdev, LIGHT_TDM_DMABUF_SIZE);
+	if (ret) {
+		dev_err(dev, "light_pcm_dma_init error\n");
+		return -EIO;
+	}
+
+    ret = devm_snd_soc_register_component(dev, &light_tdm_soc_component,
+                        light_tdm_soc_dai, ARRAY_SIZE(light_tdm_soc_dai));
+	if (ret < 0) {
+		dev_err(&pdev->dev, "cannot snd component register\n");
+	}
+
+    return ret;
+}
+
+static int light_tdm_remove(struct platform_device *pdev)
+{
+    struct light_tdm_priv *tdm_priv = dev_get_drvdata(&pdev->dev);
+    pm_runtime_disable(&pdev->dev);
+    if (!pm_runtime_status_suspended(&pdev->dev))
+            light_tdm_runtime_suspend(&pdev->dev);
+    clk_disable_unprepare(tdm_priv->clk);
+    return 0;
+}
+
+static const struct dev_pm_ops light_tdm_pm_ops = {
+    SET_RUNTIME_PM_OPS(light_tdm_runtime_suspend, light_tdm_runtime_resume, NULL)
+};
+
+static struct platform_driver light_tdm_driver = {
+    .driver = {
+        .name = "light-tdm-audio",
+        .pm = &light_tdm_pm_ops,
+        .of_match_table = light_tdm_of_match,
+    },
+    .probe = light_tdm_probe,
+    .remove = light_tdm_remove,
+};
+
+module_platform_driver(light_tdm_driver);
+
+MODULE_AUTHOR("nanli.yd <nanli.yd@linux.alibaba.com>");
+MODULE_DESCRIPTION("Thead Light audio driver");
+MODULE_LICENSE("GPL v2");

sound/soc/thead/light-tdm.h

@@ -0,0 +1,125 @@
+#ifndef _LIGHT_TDM_H
+#define _LIGHT_TDM_H
+
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/workqueue.h>
+#include <linux/scatterlist.h>
+#include <linux/sh_dma.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/workqueue.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+#include <sound/pcm.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/dmaengine_pcm.h>
+
+#include "light-pcm.h"
+#include <linux/spinlock.h>
+
+#define TDM_TDMEN   0x00
+#define TDM_TDMCTL  0x04
+#define TDM_CHOFFSET1   0x08
+#define TDM_CHOFFSET2   0x0c
+#define TDM_CHOFFSET3   0x10
+#define TDM_CHOFFSET4   0x14
+#define TDM_FIFOTL1	0x18
+#define TDM_FIFOTL2	0x1C
+#define TDM_FIFOTL3	0x20
+#define TDM_FIFOTL4	0x24
+#define TDM_SR	0x28
+#define TDM_IMR	0x2C
+#define TDM_ISR	0x30
+#define TDM_RISR	0x34
+#define TDM_ICR	0x38
+#define TDM_DMACTL	0x3C
+#define TDM_DMADL	0x40
+#define TDM_LDR1	0x44
+#define TDM_RDR1	0x48
+#define TDM_LDR2	0x4C
+#define TDM_RDR2	0x50
+#define TDM_LDR3	0x54
+#define TDM_RDR3	0x58
+#define TDM_LDR4	0x5C
+#define TDM_RDR4	0x60
+#define TDM_DIV0_LEVEL	0x64
+
+#define CPR_PERI_DIV_SEL_REG  0x004 /*audio sys i2s clock div Register*/
+#define CPR_PERI_CLK_SEL_REG  0x008 /*audio sys i2s clock selection Register*/
+#define CPR_IP_CG_REG   0x010 /* ip clock gate register */
+
+/* AUDIO SYS DIV SEL REG, offset: 0x4 */
+#define CPR_AUDIO_DIV1_SEL_POS                     (12U)
+#define CPR_AUDIO_DIV1_SEL_MSK                     (0x1FU << CPR_AUDIO_DIV1_SEL_POS)
+#define CPR_AUDIO_DIV1_SEL(X)                      (X << CPR_AUDIO_DIV1_SEL_POS)
+#define CPR_AUDIO_DIV0_SEL_POS                  (4U)
+#define CPR_AUDIO_DIV0_SEL_MSK               (0x1FU << CPR_AUDIO_DIV0_SEL_POS)
+#define CPR_AUDIO_DIV0_SEL(X)                      (X << CPR_AUDIO_DIV0_SEL_POS)
+#define CPR_TDM_CG_SEL_POS                      (21U)
+#define CPR_TDM_CG_SEL_MSK                       (0x1U << CPR_TDM_CG_SEL_POS)
+#define CPR_TDM_CG_SEL(X)                            (X << CPR_TDM_CG_SEL_POS)
+#define CPR_TDM_SRC_SEL_POS                     (16U)
+#define CPR_TDM_SRC_SEL_MSK                     (0x3U << CPR_TDM_SRC_SEL_POS)
+#define CPR_TDM_SRC_SEL(X)                          (X << CPR_TDM_SRC_SEL_POS)
+
+#define TDM_MODE_MASTER 0x1
+#define TDM_MODE_SLAVE 0x0
+#define TDMCTL_MODE_POS                             (0U) 
+#define TDMCTL_MODE_MSK                         (0x1U << TDMCTL_MODE_POS)
+#define TDMCTL_MODE_SEL(X)                  (X << TDMCTL_MODE_POS)
+#define TDMCTL_DATAWTH_POS                  (4U)
+#define TDMCTL_DATAWTH_MSK              (0x3U << TDMCTL_DATAWTH_POS)
+#define TDMCTL_DATAWTH_SEL(X)                (X << TDMCTL_DATAWTH_POS)
+#define TDMCTL_CHNUM_POS                        (8U)
+#define TDMCTL_CHNUM_MSK              (0x3U << TDMCTL_CHNUM_POS)
+#define TDMCTL_CHNUM_SEL(X)                (X << TDMCTL_CHNUM_POS)
+#define TDMCTL_CHNUM_2                      0x0
+#define TDMCTL_CHNUM_4                      0x1
+#define TDMCTL_CHNUM_6                      0x2
+#define TDMCTL_CHNUM_8                      0x3
+#define TDMCTL_SPEDGE_POS                        (13U)
+#define TDMCTL_SPEDGE_MSK              (0x1U << TDMCTL_SPEDGE_POS)
+#define TDMCTL_SPEDGE_SEL(X)                (X << TDMCTL_SPEDGE_POS)
+
+#define TDMCTL_DATAWTH_16BIT_PACKED 0x0
+#define TDMCTL_DATAWTH_16BIT 0x1
+#define TDMCTL_DATAWTH_24BIT    0x2
+#define TDMCTL_DATAWTH_32BIT 0x3
+
+#define TDMCTL_DIV0_MASK 0xFFF
+
+#define DMACTL_DMAEN_POS                          (0U)
+#define DMACTL_DMAEN_MSK                          (0x1U << DMACTL_DMAEN_POS)
+#define DMACTL_DMAEN_SEL(X)                            (X << DMACTL_DMAEN_POS)
+
+#define DMACTL_DMADL_POS                          (0U)
+#define DMACTL_DMADL_MSK                          (0x3U << DMACTL_DMADL_POS)
+#define DMACTL_DMADL_SEL(X)                            (X << DMACTL_DMADL_POS)
+
+#define TDMCTL_TDMEN_POS                          (0U)
+#define TDMCTL_TDMEN_MSK                          (0x1U << TDMCTL_TDMEN_POS)
+#define TDMCTL_TDMEN_SEL(X)                            (X << TDMCTL_TDMEN_POS)
+
+#define LIGHT_TDM_DMABUF_SIZE     (64 * 1024)
+
+struct light_tdm_priv {
+    void __iomem *regs;
+    struct regmap *regmap;
+    struct regmap *audio_pin_regmap;
+    struct regmap *audio_cpr_regmap;
+    struct clk *clk;
+    struct snd_dmaengine_dai_dma_data dma_params_rx;
+    unsigned int dai_fmt;
+    u32 dma_maxburst;
+    unsigned int cfg_off;
+    struct device *dev; 
+    char mode;
+    char slots;
+    char slot_num;
+    unsigned int irq;
+};
+
+
+#endif

tools/include/uapi/linux/bpf.h

@@ -5006,7 +5006,10 @@ struct bpf_pidns_info {
 
 /* User accessible data for SK_LOOKUP programs. Add new fields at the end. */
 struct bpf_sk_lookup {
-	__bpf_md_ptr(struct bpf_sock *, sk); /* Selected socket */
+	union {
+		__bpf_md_ptr(struct bpf_sock *, sk); /* Selected socket */
+		__u64 cookie; /* Non-zero if socket was selected in PROG_TEST_RUN */
+	};
 
 	__u32 family;		/* Protocol family (AF_INET, AF_INET6) */
 	__u32 protocol;		/* IP protocol (IPPROTO_TCP, IPPROTO_UDP) */

tools/lib/bpf/bpf_tracing.h

@@ -24,6 +24,9 @@
 #elif defined(__TARGET_ARCH_sparc)
 	#define bpf_target_sparc
 	#define bpf_target_defined
+#elif defined(__TARGET_ARCH_riscv)
+	#define bpf_target_riscv
+	#define bpf_target_defined
 #else
 	#undef bpf_target_defined
 #endif
@@ -44,6 +47,8 @@
 	#define bpf_target_powerpc
 #elif defined(__sparc__)
 	#define bpf_target_sparc
+#elif defined(__riscv) && __riscv_xlen == 64
+	#define bpf_target_riscv
 #endif
 #endif
 
@@ -279,6 +284,32 @@ struct pt_regs;
 #define PT_REGS_IP_CORE(x) BPF_CORE_READ((x), pc)
 #endif
 
+#elif defined(bpf_target_riscv)
+
+struct pt_regs;
+#define PT_REGS_RV const volatile struct user_regs_struct
+#define PT_REGS_PARM1(x) (((PT_REGS_RV *)(x))->a0)
+#define PT_REGS_PARM2(x) (((PT_REGS_RV *)(x))->a1)
+#define PT_REGS_PARM3(x) (((PT_REGS_RV *)(x))->a2)
+#define PT_REGS_PARM4(x) (((PT_REGS_RV *)(x))->a3)
+#define PT_REGS_PARM5(x) (((PT_REGS_RV *)(x))->a4)
+#define PT_REGS_RET(x) (((PT_REGS_RV *)(x))->ra)
+#define PT_REGS_FP(x) (((PT_REGS_RV *)(x))->s0)
+#define PT_REGS_RC(x) (((PT_REGS_RV *)(x))->a0)
+#define PT_REGS_SP(x) (((PT_REGS_RV *)(x))->sp)
+#define PT_REGS_IP(x) (((PT_REGS_RV *)(x))->pc)
+
+#define PT_REGS_PARM1_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), a0)
+#define PT_REGS_PARM2_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), a1)
+#define PT_REGS_PARM3_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), a2)
+#define PT_REGS_PARM4_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), a3)
+#define PT_REGS_PARM5_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), a4)
+#define PT_REGS_RET_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), ra)
+#define PT_REGS_FP_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), s0)
+#define PT_REGS_RC_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), a0)
+#define PT_REGS_SP_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), sp)
+#define PT_REGS_IP_CORE(x) BPF_CORE_READ((PT_REGS_RV *)(x), pc)
+
 #endif
 
 #if defined(bpf_target_powerpc)

tools/testing/selftests/bpf/Makefile

@@ -224,7 +224,7 @@ $(RESOLVE_BTFIDS): $(BPFOBJ) | $(BUILD_DIR)/resolve_btfids	\
 define get_sys_includes
 $(shell $(1) -v -E - </dev/null 2>&1 \
 	| sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
-$(shell $(1) -dM -E - </dev/null | grep '#define __riscv_xlen ' | sed 's/#define /-D/' | sed 's/ /=/')
+$(shell $(1) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}')
 endef
 
 # Determine target endianness.

tools/testing/selftests/bpf/progs/pyperf.h

@@ -231,7 +231,11 @@ int __on_event(struct bpf_raw_tracepoint_args *ctx)
 #ifdef NO_UNROLL
 #pragma clang loop unroll(disable)
 #else
+#ifdef UNROLL_COUNT
+#pragma clang loop unroll_count(UNROLL_COUNT)
+#else
 #pragma clang loop unroll(full)
+#endif
 #endif
 		/* Unwind python stack */
 		for (int i = 0; i < STACK_MAX_LEN; ++i) {

tools/testing/selftests/bpf/progs/pyperf600.c

@@ -1,9 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (c) 2019 Facebook
 #define STACK_MAX_LEN 600
-/* clang will not unroll the loop 600 times.
+/* Full unroll of 600 iterations will have total
- * Instead it will unroll it to the amount it deemed
+ * program size close to 298k insns and this may
- * appropriate, but the loop will still execute 600 times.
+ * cause BPF_JMP insn out of 16-bit integer range.
- * Total program size is around 90k insns
+ * So limit the unroll size to 150 so the
+ * total program size is around 80k insns but
+ * the loop will still execute 600 times.
  */
+#define UNROLL_COUNT 150
 #include "pyperf.h"

tools/testing/selftests/bpf/test_verifier.c

@@ -100,7 +100,7 @@ struct bpf_test {
 	enum bpf_prog_type prog_type;
 	uint8_t flags;
 	void (*fill_helper)(struct bpf_test *self);
-	uint8_t runs;
+	int runs;
 #define bpf_testdata_struct_t					\
 	struct {						\
 		uint32_t retval, retval_unpriv;			\
@@ -1054,7 +1054,7 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
 
 	run_errs = 0;
 	run_successes = 0;
-	if (!alignment_prevented_execution && fd_prog >= 0) {
+	if (!alignment_prevented_execution && fd_prog >= 0 && test->runs >= 0) {
 		uint32_t expected_val;
 		int i;
 

tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c

@@ -239,6 +239,7 @@
 	.result = ACCEPT,
 	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
 	.expected_attach_type = BPF_SK_LOOKUP,
+	.runs = -1,
 },
 /* invalid 8-byte reads from a 4-byte fields in bpf_sk_lookup */
 {