Merge git://git.denx.de/u-boot-uniphier

arch/arm/dts/uniphier-ld11-ref.dts

@@ -40,13 +40,21 @@
 };
 
 &ethsc {
-	interrupts = <0 48 4>;
+	interrupts = <0 8>;
 };
 
 &serial0 {
 	status = "okay";
 };
 
+&gpio {
+	xirq0 {
+		gpio-hog;
+		gpios = <UNIPHIER_GPIO_IRQ(0) 0>;
+		input;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };

arch/arm/dts/uniphier-ld11.dtsi

@@ -7,6 +7,9 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/uniphier-gpio.h>
+
 /memreserve/ 0x80000000 0x02000000;
 
 / {
@@ -49,7 +52,7 @@
 		};
 	};
 
-	cluster0_opp: opp_table {
+	cluster0_opp: opp-table {
 		compatible = "operating-points-v2";
 		opp-shared;
 
@@ -96,6 +99,11 @@
 		};
 	};
 
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio UNIPHIER_GPIO_PORT(3, 2) GPIO_ACTIVE_LOW>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <1 13 4>,
@@ -119,6 +127,7 @@
 			pinctrl-0 = <&pinctrl_uart0>;
 			clocks = <&peri_clk 0>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 0>;
 		};
 
 		serial1: serial@54006900 {
@@ -130,6 +139,7 @@
 			pinctrl-0 = <&pinctrl_uart1>;
 			clocks = <&peri_clk 1>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 1>;
 		};
 
 		serial2: serial@54006a00 {
@@ -141,6 +151,7 @@
 			pinctrl-0 = <&pinctrl_uart2>;
 			clocks = <&peri_clk 2>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 2>;
 		};
 
 		serial3: serial@54006b00 {
@@ -152,6 +163,7 @@
 			pinctrl-0 = <&pinctrl_uart3>;
 			clocks = <&peri_clk 3>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 3>;
 		};
 
 		gpio: gpio@55000000 {
@@ -200,6 +212,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c0>;
 			clocks = <&peri_clk 4>;
+			resets = <&peri_rst 4>;
 			clock-frequency = <100000>;
 		};
 
@@ -213,6 +226,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c1>;
 			clocks = <&peri_clk 5>;
+			resets = <&peri_rst 5>;
 			clock-frequency = <100000>;
 		};
 
@@ -223,6 +237,7 @@
 			#size-cells = <0>;
 			interrupts = <0 43 4>;
 			clocks = <&peri_clk 6>;
+			resets = <&peri_rst 6>;
 			clock-frequency = <400000>;
 		};
 
@@ -236,6 +251,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c3>;
 			clocks = <&peri_clk 7>;
+			resets = <&peri_rst 7>;
 			clock-frequency = <100000>;
 		};
 
@@ -249,6 +265,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c4>;
 			clocks = <&peri_clk 8>;
+			resets = <&peri_rst 8>;
 			clock-frequency = <100000>;
 		};
 
@@ -259,6 +276,7 @@
 			#size-cells = <0>;
 			interrupts = <0 25 4>;
 			clocks = <&peri_clk 9>;
+			resets = <&peri_rst 9>;
 			clock-frequency = <400000>;
 		};
 
@@ -311,9 +329,11 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_emmc_1v8>;
 			clocks = <&sys_clk 4>;
+			resets = <&sys_rst 4>;
 			bus-width = <8>;
 			mmc-ddr-1_8v;
 			mmc-hs200-1_8v;
+			mmc-pwrseq = <&emmc_pwrseq>;
 			cdns,phy-input-delay-legacy = <4>;
 			cdns,phy-input-delay-mmc-highspeed = <2>;
 			cdns,phy-input-delay-mmc-ddr = <3>;
@@ -328,7 +348,8 @@
 			interrupts = <0 243 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb0>;
-			clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+				 <&mio_clk 12>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
 				 <&mio_rst 12>;
 		};
@@ -340,7 +361,8 @@
 			interrupts = <0 244 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb1>;
-			clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+				 <&mio_clk 13>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
 				 <&mio_rst 13>;
 		};
@@ -352,7 +374,8 @@
 			interrupts = <0 245 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb2>;
-			clocks = <&mio_clk 7>, <&mio_clk 10>, <&mio_clk 14>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 10>,
+				 <&mio_clk 14>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
 				 <&mio_rst 14>;
 		};
@@ -384,6 +407,24 @@
 			};
 		};
 
+		soc-glue@5f900000 {
+			compatible = "socionext,uniphier-ld11-soc-glue-debug",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x5f900000 0x2000>;
+
+			efuse@100 {
+				compatible = "socionext,uniphier-efuse";
+				reg = <0x100 0x28>;
+			};
+
+			efuse@200 {
+				compatible = "socionext,uniphier-efuse";
+				reg = <0x200 0x68>;
+			};
+		};
+
 		aidet: aidet@5fc20000 {
 			compatible = "socionext,uniphier-ld11-aidet";
 			reg = <0x5fc20000 0x200>;
@@ -429,6 +470,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
 			clocks = <&sys_clk 2>;
+			resets = <&sys_rst 2>;
 		};
 	};
 };

arch/arm/dts/uniphier-ld20-ref.dts

@@ -40,13 +40,21 @@
 };
 
 &ethsc {
-	interrupts = <0 48 4>;
+	interrupts = <0 8>;
 };
 
 &serial0 {
 	status = "okay";
 };
 
+&gpio {
+	xirq0 {
+		gpio-hog;
+		gpios = <UNIPHIER_GPIO_IRQ(0) 0>;
+		input;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };

arch/arm/dts/uniphier-ld20.dtsi

@@ -7,6 +7,10 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/uniphier-gpio.h>
+#include <dt-bindings/thermal/thermal.h>
+
 /memreserve/ 0x80000000 0x02000000;
 
 / {
@@ -46,6 +50,7 @@
 			clocks = <&sys_clk 32>;
 			enable-method = "psci";
 			operating-points-v2 = <&cluster0_opp>;
+			#cooling-cells = <2>;
 		};
 
 		cpu1: cpu@1 {
@@ -64,6 +69,7 @@
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
 			operating-points-v2 = <&cluster1_opp>;
+			#cooling-cells = <2>;
 		};
 
 		cpu3: cpu@101 {
@@ -76,7 +82,7 @@
 		};
 	};
 
-	cluster0_opp: opp_table0 {
+	cluster0_opp: opp-table0 {
 		compatible = "operating-points-v2";
 		opp-shared;
 
@@ -114,7 +120,7 @@
 		};
 	};
 
-	cluster1_opp: opp_table1 {
+	cluster1_opp: opp-table1 {
 		compatible = "operating-points-v2";
 		opp-shared;
 
@@ -165,6 +171,11 @@
 		};
 	};
 
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio UNIPHIER_GPIO_PORT(3, 2) GPIO_ACTIVE_LOW>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <1 13 4>,
@@ -173,6 +184,40 @@
 			     <1 10 4>;
 	};
 
+	thermal-zones {
+		cpu-thermal {
+			polling-delay-passive = <250>;	/* 250ms */
+			polling-delay = <1000>;		/* 1000ms */
+			thermal-sensors = <&pvtctl>;
+
+			trips {
+				cpu_crit: cpu-crit {
+					temperature = <110000>;	/* 110C */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+				cpu_alert: cpu-alert {
+					temperature = <100000>;	/* 100C */
+					hysteresis = <2000>;
+					type = "passive";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert>;
+					cooling-device = <&cpu0
+					    THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+				map1 {
+					trip = <&cpu_alert>;
+					cooling-device = <&cpu2
+					    THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+	};
+
 	soc@0 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -188,6 +233,7 @@
 			pinctrl-0 = <&pinctrl_uart0>;
 			clocks = <&peri_clk 0>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 0>;
 		};
 
 		serial1: serial@54006900 {
@@ -199,6 +245,7 @@
 			pinctrl-0 = <&pinctrl_uart1>;
 			clocks = <&peri_clk 1>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 1>;
 		};
 
 		serial2: serial@54006a00 {
@@ -210,6 +257,7 @@
 			pinctrl-0 = <&pinctrl_uart2>;
 			clocks = <&peri_clk 2>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 2>;
 		};
 
 		serial3: serial@54006b00 {
@@ -221,6 +269,7 @@
 			pinctrl-0 = <&pinctrl_uart3>;
 			clocks = <&peri_clk 3>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 3>;
 		};
 
 		gpio: gpio@55000000 {
@@ -263,6 +312,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c0>;
 			clocks = <&peri_clk 4>;
+			resets = <&peri_rst 4>;
 			clock-frequency = <100000>;
 		};
 
@@ -276,6 +326,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c1>;
 			clocks = <&peri_clk 5>;
+			resets = <&peri_rst 5>;
 			clock-frequency = <100000>;
 		};
 
@@ -286,6 +337,7 @@
 			#size-cells = <0>;
 			interrupts = <0 43 4>;
 			clocks = <&peri_clk 6>;
+			resets = <&peri_rst 6>;
 			clock-frequency = <400000>;
 		};
 
@@ -299,6 +351,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c3>;
 			clocks = <&peri_clk 7>;
+			resets = <&peri_rst 7>;
 			clock-frequency = <100000>;
 		};
 
@@ -312,6 +365,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c4>;
 			clocks = <&peri_clk 8>;
+			resets = <&peri_rst 8>;
 			clock-frequency = <100000>;
 		};
 
@@ -322,6 +376,7 @@
 			#size-cells = <0>;
 			interrupts = <0 25 4>;
 			clocks = <&peri_clk 9>;
+			resets = <&peri_rst 9>;
 			clock-frequency = <400000>;
 		};
 
@@ -379,9 +434,11 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_emmc_1v8>;
 			clocks = <&sys_clk 4>;
+			resets = <&sys_rst 4>;
 			bus-width = <8>;
 			mmc-ddr-1_8v;
 			mmc-hs200-1_8v;
+			mmc-pwrseq = <&emmc_pwrseq>;
 			cdns,phy-input-delay-legacy = <4>;
 			cdns,phy-input-delay-mmc-highspeed = <2>;
 			cdns,phy-input-delay-mmc-ddr = <3>;
@@ -413,6 +470,24 @@
 			};
 		};
 
+		soc-glue@5f900000 {
+			compatible = "socionext,uniphier-ld20-soc-glue-debug",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x5f900000 0x2000>;
+
+			efuse@100 {
+				compatible = "socionext,uniphier-efuse";
+				reg = <0x100 0x28>;
+			};
+
+			efuse@200 {
+				compatible = "socionext,uniphier-efuse";
+				reg = <0x200 0x68>;
+			};
+		};
+
 		aidet: aidet@5fc20000 {
 			compatible = "socionext,uniphier-ld20-aidet";
 			reg = <0x5fc20000 0x200>;
@@ -447,6 +522,13 @@
 			watchdog {
 				compatible = "socionext,uniphier-wdt";
 			};
+
+			pvtctl: pvtctl {
+				compatible = "socionext,uniphier-ld20-thermal";
+				interrupts = <0 3 4>;
+				#thermal-sensor-cells = <0>;
+				socionext,tmod-calibration = <0x0f22 0x68ee>;
+			};
 		};
 
 		usb: usb@65b00000 {
@@ -476,6 +558,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
 			clocks = <&sys_clk 2>;
+			resets = <&sys_rst 2>;
 		};
 	};
 };

arch/arm/dts/uniphier-ld4-ref.dts

@@ -38,7 +38,7 @@
 };
 
 &ethsc {
-	interrupts = <0 49 4>;
+	interrupts = <1 8>;
 };
 
 &serial0 {
@@ -53,6 +53,14 @@
 	status = "okay";
 };
 
+&gpio {
+	xirq1 {
+		gpio-hog;
+		gpios = <UNIPHIER_GPIO_IRQ(1) 0>;
+		input;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };

arch/arm/dts/uniphier-ld4.dtsi

@@ -7,6 +7,8 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/uniphier-gpio.h>
+
 / {
 	compatible = "socionext,uniphier-ld4";
 	#address-cells = <1>;
@@ -37,7 +39,7 @@
 			clock-frequency = <24576000>;
 		};
 
-		arm_timer_clk: arm_timer_clk {
+		arm_timer_clk: arm-timer {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <50000000>;
@@ -72,6 +74,7 @@
 			pinctrl-0 = <&pinctrl_uart0>;
 			clocks = <&peri_clk 0>;
 			clock-frequency = <36864000>;
+			resets = <&peri_rst 0>;
 		};
 
 		serial1: serial@54006900 {
@@ -83,6 +86,7 @@
 			pinctrl-0 = <&pinctrl_uart1>;
 			clocks = <&peri_clk 1>;
 			clock-frequency = <36864000>;
+			resets = <&peri_rst 1>;
 		};
 
 		serial2: serial@54006a00 {
@@ -94,6 +98,7 @@
 			pinctrl-0 = <&pinctrl_uart2>;
 			clocks = <&peri_clk 2>;
 			clock-frequency = <36864000>;
+			resets = <&peri_rst 2>;
 		};
 
 		serial3: serial@54006b00 {
@@ -105,6 +110,7 @@
 			pinctrl-0 = <&pinctrl_uart3>;
 			clocks = <&peri_clk 3>;
 			clock-frequency = <36864000>;
+			resets = <&peri_rst 3>;
 		};
 
 		gpio: gpio@55000000 {
@@ -118,6 +124,7 @@
 			gpio-ranges = <&pinctrl 0 0 0>;
 			gpio-ranges-group-names = "gpio_range";
 			ngpios = <136>;
+			socionext,interrupt-ranges = <0 48 13>, <14 62 2>;
 		};
 
 		i2c0: i2c@58400000 {
@@ -130,6 +137,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c0>;
 			clocks = <&peri_clk 4>;
+			resets = <&peri_rst 4>;
 			clock-frequency = <100000>;
 		};
 
@@ -143,6 +151,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c1>;
 			clocks = <&peri_clk 5>;
+			resets = <&peri_rst 5>;
 			clock-frequency = <100000>;
 		};
 
@@ -156,6 +165,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c2>;
 			clocks = <&peri_clk 6>;
+			resets = <&peri_rst 6>;
 			clock-frequency = <400000>;
 		};
 
@@ -169,6 +179,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c3>;
 			clocks = <&peri_clk 7>;
+			resets = <&peri_rst 7>;
 			clock-frequency = <100000>;
 		};
 
@@ -261,7 +272,8 @@
 			interrupts = <0 80 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb0>;
-			clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+				 <&mio_clk 12>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
 				 <&mio_rst 12>;
 		};
@@ -273,7 +285,8 @@
 			interrupts = <0 81 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb1>;
-			clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+				 <&mio_clk 13>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
 				 <&mio_rst 13>;
 		};
@@ -285,7 +298,8 @@
 			interrupts = <0 82 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb2>;
-			clocks = <&mio_clk 7>, <&mio_clk 10>, <&mio_clk 14>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 10>,
+				 <&mio_clk 14>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
 				 <&mio_rst 14>;
 		};
@@ -354,6 +368,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand2cs>;
 			clocks = <&sys_clk 2>;
+			resets = <&sys_rst 2>;
 		};
 	};
 };

arch/arm/dts/uniphier-ld6b-ref.dts

@@ -40,7 +40,7 @@
 };
 
 &ethsc {
-	interrupts = <0 52 4>;
+	interrupts = <4 8>;
 };
 
 &serial0 {
@@ -55,6 +55,14 @@
 	status = "okay";
 };
 
+&gpio {
+	xirq4 {
+		gpio-hog;
+		gpios = <UNIPHIER_GPIO_IRQ(4) 0>;
+		input;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };

arch/arm/dts/uniphier-pinctrl.dtsi

@@ -8,132 +8,132 @@
  */
 
 &pinctrl {
-	pinctrl_aout: aout_grp {
+	pinctrl_aout: aout {
 		groups = "aout";
 		function = "aout";
 	};
 
-	pinctrl_emmc: emmc_grp {
+	pinctrl_emmc: emmc {
 		groups = "emmc", "emmc_dat8";
 		function = "emmc";
 	};
 
-	pinctrl_emmc_1v8: emmc_grp_1v8 {
+	pinctrl_emmc_1v8: emmc-1v8 {
 		groups = "emmc", "emmc_dat8";
 		function = "emmc";
 	};
 
-	pinctrl_ether_mii: ether_mii_grp {
+	pinctrl_ether_mii: ether-mii {
 		groups = "ether_mii";
 		function = "ether_mii";
 	};
 
-	pinctrl_ether_rgmii: ether_rgmii_grp {
+	pinctrl_ether_rgmii: ether-rgmii {
 		groups = "ether_rgmii";
 		function = "ether_rgmii";
 	};
 
-	pinctrl_ether_rmii: ether_rmii_grp {
+	pinctrl_ether_rmii: ether-rmii {
 		groups = "ether_rmii";
 		function = "ether_rmii";
 	};
 
-	pinctrl_i2c0: i2c0_grp {
+	pinctrl_i2c0: i2c0 {
 		groups = "i2c0";
 		function = "i2c0";
 	};
 
-	pinctrl_i2c1: i2c1_grp {
+	pinctrl_i2c1: i2c1 {
 		groups = "i2c1";
 		function = "i2c1";
 	};
 
-	pinctrl_i2c2: i2c2_grp {
+	pinctrl_i2c2: i2c2 {
 		groups = "i2c2";
 		function = "i2c2";
 	};
 
-	pinctrl_i2c3: i2c3_grp {
+	pinctrl_i2c3: i2c3 {
 		groups = "i2c3";
 		function = "i2c3";
 	};
 
-	pinctrl_i2c4: i2c4_grp {
+	pinctrl_i2c4: i2c4 {
 		groups = "i2c4";
 		function = "i2c4";
 	};
 
-	pinctrl_nand: nand_grp {
+	pinctrl_nand: nand {
 		groups = "nand";
 		function = "nand";
 	};
 
-	pinctrl_nand2cs: nand2cs_grp {
+	pinctrl_nand2cs: nand2cs {
 		groups = "nand", "nand_cs1";
 		function = "nand";
 	};
 
-	pinctrl_sd: sd_grp {
+	pinctrl_sd: sd {
 		groups = "sd";
 		function = "sd";
 	};
 
-	pinctrl_sd_1v8: sd_grp_1v8 {
+	pinctrl_sd_1v8: sd-1v8 {
 		groups = "sd";
 		function = "sd";
 	};
 
-	pinctrl_sd1: sd1_grp {
+	pinctrl_sd1: sd1 {
 		groups = "sd1";
 		function = "sd1";
 	};
 
-	pinctrl_sd1_1v8: sd1_grp_1v8 {
+	pinctrl_sd1_1v8: sd1-1v8 {
 		groups = "sd1";
 		function = "sd1";
 	};
 
-	pinctrl_system_bus: system_bus_grp {
+	pinctrl_system_bus: system-bus {
 		groups = "system_bus", "system_bus_cs1";
 		function = "system_bus";
 	};
 
-	pinctrl_uart0: uart0_grp {
+	pinctrl_uart0: uart0 {
 		groups = "uart0";
 		function = "uart0";
 	};
 
-	pinctrl_uart1: uart1_grp {
+	pinctrl_uart1: uart1 {
 		groups = "uart1";
 		function = "uart1";
 	};
 
-	pinctrl_uart2: uart2_grp {
+	pinctrl_uart2: uart2 {
 		groups = "uart2";
 		function = "uart2";
 	};
 
-	pinctrl_uart3: uart3_grp {
+	pinctrl_uart3: uart3 {
 		groups = "uart3";
 		function = "uart3";
 	};
 
-	pinctrl_usb0: usb0_grp {
+	pinctrl_usb0: usb0 {
 		groups = "usb0";
 		function = "usb0";
 	};
 
-	pinctrl_usb1: usb1_grp {
+	pinctrl_usb1: usb1 {
 		groups = "usb1";
 		function = "usb1";
 	};
 
-	pinctrl_usb2: usb2_grp {
+	pinctrl_usb2: usb2 {
 		groups = "usb2";
 		function = "usb2";
 	};
 
-	pinctrl_usb3: usb3_grp {
+	pinctrl_usb3: usb3 {
 		groups = "usb3";
 		function = "usb3";
 	};

arch/arm/dts/uniphier-pro4-ref.dts

@@ -41,7 +41,7 @@
 };
 
 &ethsc {
-	interrupts = <0 50 4>;
+	interrupts = <2 8>;
 };
 
 &serial0 {
@@ -56,6 +56,14 @@
 	status = "okay";
 };
 
+&gpio {
+	xirq2 {
+		gpio-hog;
+		gpios = <UNIPHIER_GPIO_IRQ(2) 0>;
+		input;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };

arch/arm/dts/uniphier-pro4.dtsi

@@ -7,6 +7,8 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/uniphier-gpio.h>
+
 / {
 	compatible = "socionext,uniphier-pro4";
 	#address-cells = <1>;
@@ -45,7 +47,7 @@
 			clock-frequency = <25000000>;
 		};
 
-		arm_timer_clk: arm_timer_clk {
+		arm_timer_clk: arm-timer {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <50000000>;
@@ -80,6 +82,7 @@
 			pinctrl-0 = <&pinctrl_uart0>;
 			clocks = <&peri_clk 0>;
 			clock-frequency = <73728000>;
+			resets = <&peri_rst 0>;
 		};
 
 		serial1: serial@54006900 {
@@ -91,6 +94,7 @@
 			pinctrl-0 = <&pinctrl_uart1>;
 			clocks = <&peri_clk 1>;
 			clock-frequency = <73728000>;
+			resets = <&peri_rst 1>;
 		};
 
 		serial2: serial@54006a00 {
@@ -102,6 +106,7 @@
 			pinctrl-0 = <&pinctrl_uart2>;
 			clocks = <&peri_clk 2>;
 			clock-frequency = <73728000>;
+			resets = <&peri_rst 2>;
 		};
 
 		serial3: serial@54006b00 {
@@ -113,6 +118,7 @@
 			pinctrl-0 = <&pinctrl_uart3>;
 			clocks = <&peri_clk 3>;
 			clock-frequency = <73728000>;
+			resets = <&peri_rst 3>;
 		};
 
 		gpio: gpio@55000000 {
@@ -126,6 +132,7 @@
 			gpio-ranges = <&pinctrl 0 0 0>;
 			gpio-ranges-group-names = "gpio_range";
 			ngpios = <248>;
+			socionext,interrupt-ranges = <0 48 16>, <16 154 5>;
 		};
 
 		i2c0: i2c@58780000 {
@@ -138,6 +145,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c0>;
 			clocks = <&peri_clk 4>;
+			resets = <&peri_rst 4>;
 			clock-frequency = <100000>;
 		};
 
@@ -151,6 +159,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c1>;
 			clocks = <&peri_clk 5>;
+			resets = <&peri_rst 5>;
 			clock-frequency = <100000>;
 		};
 
@@ -164,6 +173,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c2>;
 			clocks = <&peri_clk 6>;
+			resets = <&peri_rst 6>;
 			clock-frequency = <100000>;
 		};
 
@@ -177,6 +187,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c3>;
 			clocks = <&peri_clk 7>;
+			resets = <&peri_rst 7>;
 			clock-frequency = <100000>;
 		};
 
@@ -190,6 +201,7 @@
 			#size-cells = <0>;
 			interrupts = <0 25 4>;
 			clocks = <&peri_clk 9>;
+			resets = <&peri_rst 9>;
 			clock-frequency = <400000>;
 		};
 
@@ -201,6 +213,7 @@
 			#size-cells = <0>;
 			interrupts = <0 26 4>;
 			clocks = <&peri_clk 10>;
+			resets = <&peri_rst 10>;
 			clock-frequency = <400000>;
 		};
 
@@ -310,7 +323,8 @@
 			interrupts = <0 80 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb2>;
-			clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+				 <&mio_clk 12>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
 				 <&mio_rst 12>;
 		};
@@ -322,7 +336,8 @@
 			interrupts = <0 81 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb3>;
-			clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+				 <&mio_clk 13>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
 				 <&mio_rst 13>;
 		};
@@ -427,6 +442,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
 			clocks = <&sys_clk 2>;
+			resets = <&sys_rst 2>;
 		};
 	};
 };

arch/arm/dts/uniphier-pro5.dtsi

@@ -37,7 +37,7 @@
 		};
 	};
 
-	cpu_opp: opp_table {
+	cpu_opp: opp-table {
 		compatible = "operating-points-v2";
 		opp-shared;
 
@@ -119,7 +119,7 @@
 			clock-frequency = <20000000>;
 		};
 
-		arm_timer_clk: arm_timer_clk {
+		arm_timer_clk: arm-timer {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <50000000>;
@@ -167,6 +167,7 @@
 			pinctrl-0 = <&pinctrl_uart0>;
 			clocks = <&peri_clk 0>;
 			clock-frequency = <73728000>;
+			resets = <&peri_rst 0>;
 		};
 
 		serial1: serial@54006900 {
@@ -178,6 +179,7 @@
 			pinctrl-0 = <&pinctrl_uart1>;
 			clocks = <&peri_clk 1>;
 			clock-frequency = <73728000>;
+			resets = <&peri_rst 1>;
 		};
 
 		serial2: serial@54006a00 {
@@ -189,6 +191,7 @@
 			pinctrl-0 = <&pinctrl_uart2>;
 			clocks = <&peri_clk 2>;
 			clock-frequency = <73728000>;
+			resets = <&peri_rst 2>;
 		};
 
 		serial3: serial@54006b00 {
@@ -200,6 +203,7 @@
 			pinctrl-0 = <&pinctrl_uart3>;
 			clocks = <&peri_clk 3>;
 			clock-frequency = <73728000>;
+			resets = <&peri_rst 3>;
 		};
 
 		gpio: gpio@55000000 {
@@ -213,6 +217,7 @@
 			gpio-ranges = <&pinctrl 0 0 0>;
 			gpio-ranges-group-names = "gpio_range";
 			ngpios = <248>;
+			socionext,interrupt-ranges = <0 48 16>, <16 154 5>;
 		};
 
 		i2c0: i2c@58780000 {
@@ -225,6 +230,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c0>;
 			clocks = <&peri_clk 4>;
+			resets = <&peri_rst 4>;
 			clock-frequency = <100000>;
 		};
 
@@ -238,6 +244,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c1>;
 			clocks = <&peri_clk 5>;
+			resets = <&peri_rst 5>;
 			clock-frequency = <100000>;
 		};
 
@@ -251,6 +258,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c2>;
 			clocks = <&peri_clk 6>;
+			resets = <&peri_rst 6>;
 			clock-frequency = <100000>;
 		};
 
@@ -264,6 +272,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c3>;
 			clocks = <&peri_clk 7>;
+			resets = <&peri_rst 7>;
 			clock-frequency = <100000>;
 		};
 
@@ -277,6 +286,7 @@
 			#size-cells = <0>;
 			interrupts = <0 25 4>;
 			clocks = <&peri_clk 9>;
+			resets = <&peri_rst 9>;
 			clock-frequency = <400000>;
 		};
 
@@ -288,6 +298,7 @@
 			#size-cells = <0>;
 			interrupts = <0 26 4>;
 			clocks = <&peri_clk 10>;
+			resets = <&peri_rst 10>;
 			clock-frequency = <400000>;
 		};
 
@@ -438,6 +449,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand2cs>;
 			clocks = <&sys_clk 2>;
+			resets = <&sys_rst 2>;
 		};
 
 		emmc: sdhc@68400000 {

arch/arm/dts/uniphier-pxs2.dtsi

@@ -7,6 +7,9 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/uniphier-gpio.h>
+#include <dt-bindings/thermal/thermal.h>
+
 / {
 	compatible = "socionext,uniphier-pxs2";
 	#address-cells = <1>;
@@ -16,7 +19,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			reg = <0>;
@@ -24,9 +27,10 @@
 			enable-method = "psci";
 			next-level-cache = <&l2>;
 			operating-points-v2 = <&cpu_opp>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			reg = <1>;
@@ -36,7 +40,7 @@
 			operating-points-v2 = <&cpu_opp>;
 		};
 
-		cpu@2 {
+		cpu2: cpu@2 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			reg = <2>;
@@ -46,7 +50,7 @@
 			operating-points-v2 = <&cpu_opp>;
 		};
 
-		cpu@3 {
+		cpu3: cpu@3 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			reg = <3>;
@@ -57,7 +61,7 @@
 		};
 	};
 
-	cpu_opp: opp_table {
+	cpu_opp: opp-table {
 		compatible = "operating-points-v2";
 		opp-shared;
 
@@ -107,13 +111,42 @@
 			clock-frequency = <25000000>;
 		};
 
-		arm_timer_clk: arm_timer_clk {
+		arm_timer_clk: arm-timer {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <50000000>;
 		};
 	};
 
+	thermal-zones {
+		cpu-thermal {
+			polling-delay-passive = <250>;	/* 250ms */
+			polling-delay = <1000>;		/* 1000ms */
+			thermal-sensors = <&pvtctl>;
+
+			trips {
+				cpu_crit: cpu-crit {
+					temperature = <95000>;	/* 95C */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+				cpu_alert: cpu-alert {
+					temperature = <85000>;	/* 85C */
+					hysteresis = <2000>;
+					type = "passive";
+				};
+			};
+
+			cooling-maps {
+				map {
+					trip = <&cpu_alert>;
+					cooling-device = <&cpu0
+					    THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -142,6 +175,7 @@
 			pinctrl-0 = <&pinctrl_uart0>;
 			clocks = <&peri_clk 0>;
 			clock-frequency = <88900000>;
+			resets = <&peri_rst 0>;
 		};
 
 		serial1: serial@54006900 {
@@ -153,6 +187,7 @@
 			pinctrl-0 = <&pinctrl_uart1>;
 			clocks = <&peri_clk 1>;
 			clock-frequency = <88900000>;
+			resets = <&peri_rst 1>;
 		};
 
 		serial2: serial@54006a00 {
@@ -164,6 +199,7 @@
 			pinctrl-0 = <&pinctrl_uart2>;
 			clocks = <&peri_clk 2>;
 			clock-frequency = <88900000>;
+			resets = <&peri_rst 2>;
 		};
 
 		serial3: serial@54006b00 {
@@ -175,6 +211,7 @@
 			pinctrl-0 = <&pinctrl_uart3>;
 			clocks = <&peri_clk 3>;
 			clock-frequency = <88900000>;
+			resets = <&peri_rst 3>;
 		};
 
 		gpio: gpio@55000000 {
@@ -190,6 +227,8 @@
 			gpio-ranges-group-names = "gpio_range0",
 						  "gpio_range1";
 			ngpios = <232>;
+			socionext,interrupt-ranges = <0 48 16>, <16 154 5>,
+						     <21 217 3>;
 		};
 
 		i2c0: i2c@58780000 {
@@ -202,6 +241,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c0>;
 			clocks = <&peri_clk 4>;
+			resets = <&peri_rst 4>;
 			clock-frequency = <100000>;
 		};
 
@@ -215,6 +255,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c1>;
 			clocks = <&peri_clk 5>;
+			resets = <&peri_rst 5>;
 			clock-frequency = <100000>;
 		};
 
@@ -228,6 +269,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c2>;
 			clocks = <&peri_clk 6>;
+			resets = <&peri_rst 6>;
 			clock-frequency = <100000>;
 		};
 
@@ -241,6 +283,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c3>;
 			clocks = <&peri_clk 7>;
+			resets = <&peri_rst 7>;
 			clock-frequency = <100000>;
 		};
 
@@ -252,6 +295,7 @@
 			#size-cells = <0>;
 			interrupts = <0 45 4>;
 			clocks = <&peri_clk 8>;
+			resets = <&peri_rst 8>;
 			clock-frequency = <400000>;
 		};
 
@@ -263,6 +307,7 @@
 			#size-cells = <0>;
 			interrupts = <0 25 4>;
 			clocks = <&peri_clk 9>;
+			resets = <&peri_rst 9>;
 			clock-frequency = <400000>;
 		};
 
@@ -274,6 +319,7 @@
 			#size-cells = <0>;
 			interrupts = <0 26 4>;
 			clocks = <&peri_clk 10>;
+			resets = <&peri_rst 10>;
 			clock-frequency = <400000>;
 		};
 
@@ -412,6 +458,13 @@
 				compatible = "socionext,uniphier-pxs2-reset";
 				#reset-cells = <1>;
 			};
+
+			pvtctl: pvtctl {
+				compatible = "socionext,uniphier-pxs2-thermal";
+				interrupts = <0 3 4>;
+				#thermal-sensor-cells = <0>;
+				socionext,tmod-calibration = <0x0f86 0x6844>;
+			};
 		};
 
 		usb0: usb@65b00000 {
@@ -459,6 +512,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand2cs>;
 			clocks = <&sys_clk 2>;
+			resets = <&sys_rst 2>;
 		};
 	};
 };

arch/arm/dts/uniphier-pxs3-ref.dts

@@ -38,13 +38,21 @@
 };
 
 &ethsc {
-	interrupts = <0 52 4>;
+	interrupts = <4 8>;
 };
 
 &serial0 {
 	status = "okay";
 };
 
+&gpio {
+	xirq4 {
+		gpio-hog;
+		gpios = <UNIPHIER_GPIO_IRQ(4) 0>;
+		input;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };

arch/arm/dts/uniphier-pxs3.dtsi

@@ -7,6 +7,9 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/uniphier-gpio.h>
+
 /memreserve/ 0x80000000 0x02000000;
 
 / {
@@ -73,7 +76,7 @@
 		};
 	};
 
-	cluster0_opp: opp_table {
+	cluster0_opp: opp-table {
 		compatible = "operating-points-v2";
 		opp-shared;
 
@@ -124,6 +127,11 @@
 		};
 	};
 
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio UNIPHIER_GPIO_PORT(5, 7) GPIO_ACTIVE_LOW>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <1 13 4>,
@@ -147,6 +155,7 @@
 			pinctrl-0 = <&pinctrl_uart0>;
 			clocks = <&peri_clk 0>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 0>;
 		};
 
 		serial1: serial@54006900 {
@@ -158,6 +167,7 @@
 			pinctrl-0 = <&pinctrl_uart1>;
 			clocks = <&peri_clk 1>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 1>;
 		};
 
 		serial2: serial@54006a00 {
@@ -169,6 +179,7 @@
 			pinctrl-0 = <&pinctrl_uart2>;
 			clocks = <&peri_clk 2>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 2>;
 		};
 
 		serial3: serial@54006b00 {
@@ -180,6 +191,7 @@
 			pinctrl-0 = <&pinctrl_uart3>;
 			clocks = <&peri_clk 3>;
 			clock-frequency = <58820000>;
+			resets = <&peri_rst 3>;
 		};
 
 		gpio: gpio@55000000 {
@@ -197,6 +209,8 @@
 						  "gpio_range1",
 						  "gpio_range2";
 			ngpios = <286>;
+			socionext,interrupt-ranges = <0 48 16>, <16 154 5>,
+						     <21 217 3>;
 		};
 
 		i2c0: i2c@58780000 {
@@ -209,6 +223,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c0>;
 			clocks = <&peri_clk 4>;
+			resets = <&peri_rst 4>;
 			clock-frequency = <100000>;
 		};
 
@@ -222,6 +237,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c1>;
 			clocks = <&peri_clk 5>;
+			resets = <&peri_rst 5>;
 			clock-frequency = <100000>;
 		};
 
@@ -235,6 +251,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c2>;
 			clocks = <&peri_clk 6>;
+			resets = <&peri_rst 6>;
 			clock-frequency = <100000>;
 		};
 
@@ -248,6 +265,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c3>;
 			clocks = <&peri_clk 7>;
+			resets = <&peri_rst 7>;
 			clock-frequency = <100000>;
 		};
 
@@ -259,6 +277,7 @@
 			#size-cells = <0>;
 			interrupts = <0 26 4>;
 			clocks = <&peri_clk 10>;
+			resets = <&peri_rst 10>;
 			clock-frequency = <400000>;
 		};
 
@@ -316,9 +335,11 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_emmc_1v8>;
 			clocks = <&sys_clk 4>;
+			resets = <&sys_rst 4>;
 			bus-width = <8>;
 			mmc-ddr-1_8v;
 			mmc-hs200-1_8v;
+			mmc-pwrseq = <&emmc_pwrseq>;
 			cdns,phy-input-delay-legacy = <4>;
 			cdns,phy-input-delay-mmc-highspeed = <2>;
 			cdns,phy-input-delay-mmc-ddr = <3>;
@@ -350,6 +371,24 @@
 			};
 		};
 
+		soc-glue@5f900000 {
+			compatible = "socionext,uniphier-pxs3-soc-glue-debug",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x5f900000 0x2000>;
+
+			efuse@100 {
+				compatible = "socionext,uniphier-efuse";
+				reg = <0x100 0x28>;
+			};
+
+			efuse@200 {
+				compatible = "socionext,uniphier-efuse";
+				reg = <0x200 0x68>;
+			};
+		};
+
 		aidet: aidet@5fc20000 {
 			compatible = "socionext,uniphier-pxs3-aidet";
 			reg = <0x5fc20000 0x200>;
@@ -431,6 +470,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
 			clocks = <&sys_clk 2>;
+			resets = <&sys_rst 2>;
 		};
 	};
 };

arch/arm/dts/uniphier-sld8-ref.dts

@@ -38,7 +38,7 @@
 };
 
 &ethsc {
-	interrupts = <0 48 4>;
+	interrupts = <0 8>;
 };
 
 &serial0 {
@@ -53,6 +53,14 @@
 	status = "okay";
 };
 
+&gpio {
+	xirq0 {
+		gpio-hog;
+		gpios = <UNIPHIER_GPIO_IRQ(0) 0>;
+		input;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };

arch/arm/dts/uniphier-sld8.dtsi

@@ -7,6 +7,8 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/uniphier-gpio.h>
+
 / {
 	compatible = "socionext,uniphier-sld8";
 	#address-cells = <1>;
@@ -37,7 +39,7 @@
 			clock-frequency = <25000000>;
 		};
 
-		arm_timer_clk: arm_timer_clk {
+		arm_timer_clk: arm-timer {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <50000000>;
@@ -72,6 +74,7 @@
 			pinctrl-0 = <&pinctrl_uart0>;
 			clocks = <&peri_clk 0>;
 			clock-frequency = <80000000>;
+			resets = <&peri_rst 0>;
 		};
 
 		serial1: serial@54006900 {
@@ -83,6 +86,7 @@
 			pinctrl-0 = <&pinctrl_uart1>;
 			clocks = <&peri_clk 1>;
 			clock-frequency = <80000000>;
+			resets = <&peri_rst 1>;
 		};
 
 		serial2: serial@54006a00 {
@@ -94,6 +98,7 @@
 			pinctrl-0 = <&pinctrl_uart2>;
 			clocks = <&peri_clk 2>;
 			clock-frequency = <80000000>;
+			resets = <&peri_rst 2>;
 		};
 
 		serial3: serial@54006b00 {
@@ -105,6 +110,7 @@
 			pinctrl-0 = <&pinctrl_uart3>;
 			clocks = <&peri_clk 3>;
 			clock-frequency = <80000000>;
+			resets = <&peri_rst 3>;
 		};
 
 		gpio: gpio@55000000 {
@@ -122,6 +128,7 @@
 						  "gpio_range1",
 						  "gpio_range2";
 			ngpios = <136>;
+			socionext,interrupt-ranges = <0 48 13>, <14 62 2>;
 		};
 
 		i2c0: i2c@58400000 {
@@ -134,6 +141,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c0>;
 			clocks = <&peri_clk 4>;
+			resets = <&peri_rst 4>;
 			clock-frequency = <100000>;
 		};
 
@@ -147,6 +155,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c1>;
 			clocks = <&peri_clk 5>;
+			resets = <&peri_rst 5>;
 			clock-frequency = <100000>;
 		};
 
@@ -160,6 +169,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c2>;
 			clocks = <&peri_clk 6>;
+			resets = <&peri_rst 6>;
 			clock-frequency = <400000>;
 		};
 
@@ -173,6 +183,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_i2c3>;
 			clocks = <&peri_clk 7>;
+			resets = <&peri_rst 7>;
 			clock-frequency = <100000>;
 		};
 
@@ -265,7 +276,8 @@
 			interrupts = <0 80 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb0>;
-			clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+				 <&mio_clk 12>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
 				 <&mio_rst 12>;
 		};
@@ -277,7 +289,8 @@
 			interrupts = <0 81 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb1>;
-			clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+				 <&mio_clk 13>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
 				 <&mio_rst 13>;
 		};
@@ -289,7 +302,8 @@
 			interrupts = <0 82 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_usb2>;
-			clocks = <&mio_clk 7>, <&mio_clk 10>, <&mio_clk 14>;
+			clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 10>,
+				 <&mio_clk 14>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
 				 <&mio_rst 14>;
 		};
@@ -358,6 +372,7 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand2cs>;
 			clocks = <&sys_clk 2>;
+			resets = <&sys_rst 2>;
 		};
 	};
 };

arch/arm/dts/uniphier-support-card.dtsi

@@ -11,11 +11,12 @@
 	status = "okay";
 	ranges = <1 0x00000000 0x42000000 0x02000000>;
 
-	support_card: support_card@1,1f00000 {
+	support_card: support-card@1,1f00000 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x00000000 1 0x01f00000 0x00100000>;
+		interrupt-parent = <&gpio>;
 
 		ethsc: ethernet@0 {
 			compatible = "smsc,lan9118", "smsc,lan9115";

arch/arm/dts/uniphier-v7-u-boot.dtsi

@@ -36,19 +36,19 @@
 			pinctrl {
 				u-boot,dm-pre-reloc;
 
-				emmc_grp {
+				emmc {
 					u-boot,dm-pre-reloc;
 				};
 
-				uart0_grp {
+				uart0 {
 					u-boot,dm-pre-reloc;
 				};
 
-				uart1_grp {
+				uart1 {
 					u-boot,dm-pre-reloc;
 				};
 
-				uart2_grp {
+				uart2 {
 					u-boot,dm-pre-reloc;
 				};
 			};

arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h

@@ -13,6 +13,8 @@
 #ifndef _SUNXI_DRAM_SUN8I_H3_H
 #define _SUNXI_DRAM_SUN8I_H3_H
 
+#include <linux/bitops.h>
+
 struct sunxi_mctl_com_reg {
 	u32 cr;			/* 0x00 control register */
 	u32 cr_r1;		/* 0x04 rank 1 control register (R40 only) */
@@ -211,7 +213,6 @@ struct sunxi_mctl_ctl_reg {
  * the 32-bit wide access consists of. Also three control signals can be
  * adjusted individually.
  */
-#define BITS_PER_BYTE		8
 #define NR_OF_BYTE_LANES	(32 / BITS_PER_BYTE)
 /* The eight data lines (DQn) plus DM, DQS and DQSN */
 #define LINES_PER_BYTE_LANE	(BITS_PER_BYTE + 3)

arch/arm/mach-kirkwood/include/mach/gpio.h

@@ -15,10 +15,6 @@
 #ifndef __KIRKWOOD_GPIO_H
 #define __KIRKWOOD_GPIO_H
 
-/* got from kernel include/linux/bitops.h */
-#define BITS_PER_BYTE 8
-#define BITS_TO_LONGS(nr)	DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
-
 #define GPIO_MAX		50
 #define GPIO_OFF(pin)		(((pin) >> 5) ? 0x0040 : 0x0000)
 #define GPIO_OUT(pin)		(MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x00)

arch/arm/mach-uniphier/board_init.c

@@ -17,55 +17,9 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static void uniphier_setup_xirq(void)
-{
-	const void *fdt = gd->fdt_blob;
-	int soc_node, aidet_node;
-	const fdt32_t *val;
-	unsigned long aidet_base;
-	u32 tmp;
-
-	soc_node = fdt_path_offset(fdt, "/soc");
-	if (soc_node < 0)
-		return;
-
-	aidet_node = fdt_subnode_offset_namelen(fdt, soc_node, "aidet", 5);
-	if (aidet_node < 0)
-		return;
-
-	val = fdt_getprop(fdt, aidet_node, "reg", NULL);
-	if (!val)
-		return;
-
-	aidet_base = fdt32_to_cpu(*val);
-
-	tmp = readl(aidet_base + 8);	/* AIDET DETCONFR2 */
-	tmp |= 0x00ff0000;		/* Set XIRQ0-7 low active */
-	writel(tmp, aidet_base + 8);
-
-	tmp = readl(0x55000090);	/* IRQCTL */
-	tmp |= 0x000000ff;
-	writel(tmp, 0x55000090);
-}
-
-#ifdef CONFIG_ARCH_UNIPHIER_LD11
-static void uniphier_ld11_misc_init(void)
-{
-	sg_set_pinsel(149, 14, 8, 4);	/* XIRQ0    -> XIRQ0 */
-	sg_set_iectrl(149);
-	sg_set_pinsel(153, 14, 8, 4);	/* XIRQ4    -> XIRQ4 */
-	sg_set_iectrl(153);
-}
-#endif
-
 #ifdef CONFIG_ARCH_UNIPHIER_LD20
 static void uniphier_ld20_misc_init(void)
 {
-	sg_set_pinsel(149, 14, 8, 4);	/* XIRQ0    -> XIRQ0 */
-	sg_set_iectrl(149);
-	sg_set_pinsel(153, 14, 8, 4);	/* XIRQ4    -> XIRQ4 */
-	sg_set_iectrl(153);
-
 	/* ES1 errata: increase VDD09 supply to suppress VBO noise */
 	if (uniphier_get_soc_revision() == 1) {
 		writel(0x00000003, 0x6184e004);
@@ -136,7 +90,6 @@ static const struct uniphier_initdata uniphier_initdata[] = {
 		.sbc_init = uniphier_ld11_sbc_init,
 		.pll_init = uniphier_ld11_pll_init,
 		.clk_init = uniphier_ld11_clk_init,
-		.misc_init = uniphier_ld11_misc_init,
 	},
 #endif
 #if defined(CONFIG_ARCH_UNIPHIER_LD20)
@@ -192,10 +145,6 @@ int board_init(void)
 
 	led_puts("U3");
 
-	uniphier_setup_xirq();
-
-	led_puts("U4");
-
 	support_card_late_init();
 
 	led_puts("Uboo");

arch/arm/mach-uniphier/sbc/sbc-ld11.c

@@ -21,5 +21,5 @@ void uniphier_ld11_sbc_init(void)
 
 	/* pins for NAND and System Bus are multiplexed */
 	if (spl_boot_device() != BOOT_DEVICE_NAND)
-		uniphier_pin_init("system_bus_grp");
+		uniphier_pin_init("system-bus");
 }

arch/arm/mach-uniphier/sbc/sbc-pxs2.c

@@ -17,5 +17,5 @@ void uniphier_pxs2_sbc_init(void)
 	/* system bus output enable */
 	writel(0x17, PC0CTRL);
 
-	uniphier_pin_init("system_bus_grp");	/* PXs3 */
+	uniphier_pin_init("system-bus");	/* PXs3 */
 }

configs/openrd_base_defconfig

@@ -5,7 +5,7 @@ CONFIG_TARGET_OPENRD=y
 CONFIG_IDENT_STRING="\nOpenRD-Base"
 CONFIG_SYS_EXTRA_OPTIONS="BOARD_IS_OPENRD_BASE"
 CONFIG_BOOTDELAY=3
-CONFIG_LOGLEVEL=3
+CONFIG_LOGLEVEL=2
 # CONFIG_DISPLAY_BOARDINFO is not set
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_IDE=y

configs/openrd_client_defconfig

@@ -5,7 +5,7 @@ CONFIG_TARGET_OPENRD=y
 CONFIG_IDENT_STRING="\nOpenRD-Client"
 CONFIG_SYS_EXTRA_OPTIONS="BOARD_IS_OPENRD_CLIENT"
 CONFIG_BOOTDELAY=3
-CONFIG_LOGLEVEL=3
+CONFIG_LOGLEVEL=2
 # CONFIG_DISPLAY_BOARDINFO is not set
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_IDE=y

configs/openrd_ultimate_defconfig

@@ -5,7 +5,7 @@ CONFIG_TARGET_OPENRD=y
 CONFIG_IDENT_STRING="\nOpenRD-Ultimate"
 CONFIG_SYS_EXTRA_OPTIONS="BOARD_IS_OPENRD_ULTIMATE"
 CONFIG_BOOTDELAY=3
-CONFIG_LOGLEVEL=3
+CONFIG_LOGLEVEL=2
 # CONFIG_DISPLAY_BOARDINFO is not set
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_IDE=y

configs/uniphier_ld4_sld8_defconfig

@@ -9,6 +9,7 @@ CONFIG_ARCH_UNIPHIER_LD4_SLD8=y
 CONFIG_MICRO_SUPPORT_CARD=y
 CONFIG_DEFAULT_DEVICE_TREE="uniphier-ld4-ref"
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_LOGLEVEL=6
 CONFIG_SPL=y
 CONFIG_SPL_NOR_SUPPORT=y
 CONFIG_HUSH_PARSER=y

configs/uniphier_v7_defconfig

@@ -8,6 +8,7 @@ CONFIG_SPL_NAND_SUPPORT=y
 CONFIG_MICRO_SUPPORT_CARD=y
 CONFIG_DEFAULT_DEVICE_TREE="uniphier-pxs2-vodka"
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_LOGLEVEL=6
 CONFIG_SPL=y
 CONFIG_SPL_NOR_SUPPORT=y
 CONFIG_HUSH_PARSER=y

configs/uniphier_v8_defconfig

@@ -7,6 +7,7 @@ CONFIG_ARCH_UNIPHIER_V8_MULTI=y
 CONFIG_MICRO_SUPPORT_CARD=y
 CONFIG_DEFAULT_DEVICE_TREE="uniphier-ld20-ref"
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_LOGLEVEL=6
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_CONFIG=y
 CONFIG_CMD_IMLS=y

drivers/gpio/gpio-uniphier.c

@@ -13,8 +13,7 @@
 #include <linux/errno.h>
 #include <asm/global_data.h>
 #include <asm/gpio.h>
-
+#include <dt-bindings/gpio/uniphier-gpio.h>
-#define UNIPHIER_GPIO_LINES_PER_BANK	8
 
 #define UNIPHIER_GPIO_PORT_DATA		0x0	/* data */
 #define UNIPHIER_GPIO_PORT_DIR		0x4	/* direction (1:in, 0:out) */

drivers/gpio/kw_gpio.c

@@ -14,7 +14,7 @@
  */
 
 #include <common.h>
-#include <asm/bitops.h>
+#include <linux/bitops.h>
 #include <asm/io.h>
 #include <asm/arch/soc.h>
 #include <asm/arch/gpio.h>

drivers/mtd/mtdcore.c

@@ -1005,6 +1005,366 @@ int mtd_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops)
 }
 EXPORT_SYMBOL_GPL(mtd_read_oob);
 
+/**
+ * mtd_ooblayout_ecc - Get the OOB region definition of a specific ECC section
+ * @mtd: MTD device structure
+ * @section: ECC section. Depending on the layout you may have all the ECC
+ *	     bytes stored in a single contiguous section, or one section
+ *	     per ECC chunk (and sometime several sections for a single ECC
+ *	     ECC chunk)
+ * @oobecc: OOB region struct filled with the appropriate ECC position
+ *	    information
+ *
+ * This function returns ECC section information in the OOB area. If you want
+ * to get all the ECC bytes information, then you should call
+ * mtd_ooblayout_ecc(mtd, section++, oobecc) until it returns -ERANGE.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_ecc(struct mtd_info *mtd, int section,
+		      struct mtd_oob_region *oobecc)
+{
+	memset(oobecc, 0, sizeof(*oobecc));
+
+	if (!mtd || section < 0)
+		return -EINVAL;
+
+	if (!mtd->ooblayout || !mtd->ooblayout->ecc)
+		return -ENOTSUPP;
+
+	return mtd->ooblayout->ecc(mtd, section, oobecc);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_ecc);
+
+/**
+ * mtd_ooblayout_free - Get the OOB region definition of a specific free
+ *			section
+ * @mtd: MTD device structure
+ * @section: Free section you are interested in. Depending on the layout
+ *	     you may have all the free bytes stored in a single contiguous
+ *	     section, or one section per ECC chunk plus an extra section
+ *	     for the remaining bytes (or other funky layout).
+ * @oobfree: OOB region struct filled with the appropriate free position
+ *	     information
+ *
+ * This function returns free bytes position in the OOB area. If you want
+ * to get all the free bytes information, then you should call
+ * mtd_ooblayout_free(mtd, section++, oobfree) until it returns -ERANGE.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_free(struct mtd_info *mtd, int section,
+		       struct mtd_oob_region *oobfree)
+{
+	memset(oobfree, 0, sizeof(*oobfree));
+
+	if (!mtd || section < 0)
+		return -EINVAL;
+
+	if (!mtd->ooblayout || !mtd->ooblayout->free)
+		return -ENOTSUPP;
+
+	return mtd->ooblayout->free(mtd, section, oobfree);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_free);
+
+/**
+ * mtd_ooblayout_find_region - Find the region attached to a specific byte
+ * @mtd: mtd info structure
+ * @byte: the byte we are searching for
+ * @sectionp: pointer where the section id will be stored
+ * @oobregion: used to retrieve the ECC position
+ * @iter: iterator function. Should be either mtd_ooblayout_free or
+ *	  mtd_ooblayout_ecc depending on the region type you're searching for
+ *
+ * This function returns the section id and oobregion information of a
+ * specific byte. For example, say you want to know where the 4th ECC byte is
+ * stored, you'll use:
+ *
+ * mtd_ooblayout_find_region(mtd, 3, &section, &oobregion, mtd_ooblayout_ecc);
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+static int mtd_ooblayout_find_region(struct mtd_info *mtd, int byte,
+				int *sectionp, struct mtd_oob_region *oobregion,
+				int (*iter)(struct mtd_info *,
+					    int section,
+					    struct mtd_oob_region *oobregion))
+{
+	int pos = 0, ret, section = 0;
+
+	memset(oobregion, 0, sizeof(*oobregion));
+
+	while (1) {
+		ret = iter(mtd, section, oobregion);
+		if (ret)
+			return ret;
+
+		if (pos + oobregion->length > byte)
+			break;
+
+		pos += oobregion->length;
+		section++;
+	}
+
+	/*
+	 * Adjust region info to make it start at the beginning at the
+	 * 'start' ECC byte.
+	 */
+	oobregion->offset += byte - pos;
+	oobregion->length -= byte - pos;
+	*sectionp = section;
+
+	return 0;
+}
+
+/**
+ * mtd_ooblayout_find_eccregion - Find the ECC region attached to a specific
+ *				  ECC byte
+ * @mtd: mtd info structure
+ * @eccbyte: the byte we are searching for
+ * @sectionp: pointer where the section id will be stored
+ * @oobregion: OOB region information
+ *
+ * Works like mtd_ooblayout_find_region() except it searches for a specific ECC
+ * byte.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_find_eccregion(struct mtd_info *mtd, int eccbyte,
+				 int *section,
+				 struct mtd_oob_region *oobregion)
+{
+	return mtd_ooblayout_find_region(mtd, eccbyte, section, oobregion,
+					 mtd_ooblayout_ecc);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_find_eccregion);
+
+/**
+ * mtd_ooblayout_get_bytes - Extract OOB bytes from the oob buffer
+ * @mtd: mtd info structure
+ * @buf: destination buffer to store OOB bytes
+ * @oobbuf: OOB buffer
+ * @start: first byte to retrieve
+ * @nbytes: number of bytes to retrieve
+ * @iter: section iterator
+ *
+ * Extract bytes attached to a specific category (ECC or free)
+ * from the OOB buffer and copy them into buf.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+static int mtd_ooblayout_get_bytes(struct mtd_info *mtd, u8 *buf,
+				const u8 *oobbuf, int start, int nbytes,
+				int (*iter)(struct mtd_info *,
+					    int section,
+					    struct mtd_oob_region *oobregion))
+{
+	struct mtd_oob_region oobregion;
+	int section, ret;
+
+	ret = mtd_ooblayout_find_region(mtd, start, &section,
+					&oobregion, iter);
+
+	while (!ret) {
+		int cnt;
+
+		cnt = min_t(int, nbytes, oobregion.length);
+		memcpy(buf, oobbuf + oobregion.offset, cnt);
+		buf += cnt;
+		nbytes -= cnt;
+
+		if (!nbytes)
+			break;
+
+		ret = iter(mtd, ++section, &oobregion);
+	}
+
+	return ret;
+}
+
+/**
+ * mtd_ooblayout_set_bytes - put OOB bytes into the oob buffer
+ * @mtd: mtd info structure
+ * @buf: source buffer to get OOB bytes from
+ * @oobbuf: OOB buffer
+ * @start: first OOB byte to set
+ * @nbytes: number of OOB bytes to set
+ * @iter: section iterator
+ *
+ * Fill the OOB buffer with data provided in buf. The category (ECC or free)
+ * is selected by passing the appropriate iterator.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+static int mtd_ooblayout_set_bytes(struct mtd_info *mtd, const u8 *buf,
+				u8 *oobbuf, int start, int nbytes,
+				int (*iter)(struct mtd_info *,
+					    int section,
+					    struct mtd_oob_region *oobregion))
+{
+	struct mtd_oob_region oobregion;
+	int section, ret;
+
+	ret = mtd_ooblayout_find_region(mtd, start, &section,
+					&oobregion, iter);
+
+	while (!ret) {
+		int cnt;
+
+		cnt = min_t(int, nbytes, oobregion.length);
+		memcpy(oobbuf + oobregion.offset, buf, cnt);
+		buf += cnt;
+		nbytes -= cnt;
+
+		if (!nbytes)
+			break;
+
+		ret = iter(mtd, ++section, &oobregion);
+	}
+
+	return ret;
+}
+
+/**
+ * mtd_ooblayout_count_bytes - count the number of bytes in a OOB category
+ * @mtd: mtd info structure
+ * @iter: category iterator
+ *
+ * Count the number of bytes in a given category.
+ *
+ * Returns a positive value on success, a negative error code otherwise.
+ */
+static int mtd_ooblayout_count_bytes(struct mtd_info *mtd,
+				int (*iter)(struct mtd_info *,
+					    int section,
+					    struct mtd_oob_region *oobregion))
+{
+	struct mtd_oob_region oobregion;
+	int section = 0, ret, nbytes = 0;
+
+	while (1) {
+		ret = iter(mtd, section++, &oobregion);
+		if (ret) {
+			if (ret == -ERANGE)
+				ret = nbytes;
+			break;
+		}
+
+		nbytes += oobregion.length;
+	}
+
+	return ret;
+}
+
+/**
+ * mtd_ooblayout_get_eccbytes - extract ECC bytes from the oob buffer
+ * @mtd: mtd info structure
+ * @eccbuf: destination buffer to store ECC bytes
+ * @oobbuf: OOB buffer
+ * @start: first ECC byte to retrieve
+ * @nbytes: number of ECC bytes to retrieve
+ *
+ * Works like mtd_ooblayout_get_bytes(), except it acts on ECC bytes.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_get_eccbytes(struct mtd_info *mtd, u8 *eccbuf,
+			       const u8 *oobbuf, int start, int nbytes)
+{
+	return mtd_ooblayout_get_bytes(mtd, eccbuf, oobbuf, start, nbytes,
+				       mtd_ooblayout_ecc);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_get_eccbytes);
+
+/**
+ * mtd_ooblayout_set_eccbytes - set ECC bytes into the oob buffer
+ * @mtd: mtd info structure
+ * @eccbuf: source buffer to get ECC bytes from
+ * @oobbuf: OOB buffer
+ * @start: first ECC byte to set
+ * @nbytes: number of ECC bytes to set
+ *
+ * Works like mtd_ooblayout_set_bytes(), except it acts on ECC bytes.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_set_eccbytes(struct mtd_info *mtd, const u8 *eccbuf,
+			       u8 *oobbuf, int start, int nbytes)
+{
+	return mtd_ooblayout_set_bytes(mtd, eccbuf, oobbuf, start, nbytes,
+				       mtd_ooblayout_ecc);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_set_eccbytes);
+
+/**
+ * mtd_ooblayout_get_databytes - extract data bytes from the oob buffer
+ * @mtd: mtd info structure
+ * @databuf: destination buffer to store ECC bytes
+ * @oobbuf: OOB buffer
+ * @start: first ECC byte to retrieve
+ * @nbytes: number of ECC bytes to retrieve
+ *
+ * Works like mtd_ooblayout_get_bytes(), except it acts on free bytes.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_get_databytes(struct mtd_info *mtd, u8 *databuf,
+				const u8 *oobbuf, int start, int nbytes)
+{
+	return mtd_ooblayout_get_bytes(mtd, databuf, oobbuf, start, nbytes,
+				       mtd_ooblayout_free);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_get_databytes);
+
+/**
+ * mtd_ooblayout_get_eccbytes - set data bytes into the oob buffer
+ * @mtd: mtd info structure
+ * @eccbuf: source buffer to get data bytes from
+ * @oobbuf: OOB buffer
+ * @start: first ECC byte to set
+ * @nbytes: number of ECC bytes to set
+ *
+ * Works like mtd_ooblayout_get_bytes(), except it acts on free bytes.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_set_databytes(struct mtd_info *mtd, const u8 *databuf,
+				u8 *oobbuf, int start, int nbytes)
+{
+	return mtd_ooblayout_set_bytes(mtd, databuf, oobbuf, start, nbytes,
+				       mtd_ooblayout_free);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_set_databytes);
+
+/**
+ * mtd_ooblayout_count_freebytes - count the number of free bytes in OOB
+ * @mtd: mtd info structure
+ *
+ * Works like mtd_ooblayout_count_bytes(), except it count free bytes.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_count_freebytes(struct mtd_info *mtd)
+{
+	return mtd_ooblayout_count_bytes(mtd, mtd_ooblayout_free);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_count_freebytes);
+
+/**
+ * mtd_ooblayout_count_freebytes - count the number of ECC bytes in OOB
+ * @mtd: mtd info structure
+ *
+ * Works like mtd_ooblayout_count_bytes(), except it count ECC bytes.
+ *
+ * Returns zero on success, a negative error code otherwise.
+ */
+int mtd_ooblayout_count_eccbytes(struct mtd_info *mtd)
+{
+	return mtd_ooblayout_count_bytes(mtd, mtd_ooblayout_ecc);
+}
+EXPORT_SYMBOL_GPL(mtd_ooblayout_count_eccbytes);
+
 /*
  * Method to access the protection register area, present in some flash
  * devices. The user data is one time programmable but the factory data is read

drivers/mtd/nand/Kconfig

@@ -23,17 +23,6 @@ config NAND_DENALI_DT
 	  Enable the driver for NAND flash on platforms using a Denali NAND
 	  controller as a DT device.
 
-config SYS_NAND_DENALI_64BIT
-	bool "Use 64-bit variant of Denali NAND controller"
-	depends on NAND_DENALI
-	help
-	  The Denali NAND controller IP has some variations in terms of
-	  the bus interface.  The DMA setup sequence is completely differenct
-	  between 32bit / 64bit AXI bus variants.
-
-	  If your Denali NAND controller is the 64-bit variant, say Y.
-	  Otherwise (32 bit), say N.
-
 config NAND_DENALI_SPARE_AREA_SKIP_BYTES
 	int "Number of bytes skipped in OOB area"
 	depends on NAND_DENALI

drivers/mtd/nand/davinci_nand.c

@@ -358,13 +358,12 @@ static struct nand_ecclayout nand_keystone_rbl_4bit_layout_oobfirst = {
  * @buf: the data to write
  * @oob_required: must write chip->oob_poi to OOB
  * @page: page number to write
- * @cached: cached programming
  * @raw: use _raw version of write_page
  */
 static int nand_davinci_write_page(struct mtd_info *mtd, struct nand_chip *chip,
 				   uint32_t offset, int data_len,
 				   const uint8_t *buf, int oob_required,
-				   int page, int cached, int raw)
+				   int page, int raw)
 {
 	int status;
 	int ret = 0;
@@ -395,13 +394,6 @@ static int nand_davinci_write_page(struct mtd_info *mtd, struct nand_chip *chip,
 	chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
 	status = chip->waitfunc(mtd, chip);
 
-	/*
-	 * See if operation failed and additional status checks are
-	 * available.
-	 */
-	if ((status & NAND_STATUS_FAIL) && (chip->errstat))
-		status = chip->errstat(mtd, chip, FL_WRITING, status, page);
-
 	if (status & NAND_STATUS_FAIL) {
 		ret = -EIO;
 		goto err;

drivers/mtd/nand/denali.h

@@ -8,466 +8,319 @@
 #ifndef __DENALI_H__
 #define __DENALI_H__
 
+#include <linux/bitops.h>
 #include <linux/mtd/nand.h>
+#include <linux/types.h>
 
 #define DEVICE_RESET				0x0
-#define     DEVICE_RESET__BANK0				0x0001
+#define     DEVICE_RESET__BANK(bank)			BIT(bank)
-#define     DEVICE_RESET__BANK1				0x0002
-#define     DEVICE_RESET__BANK2				0x0004
-#define     DEVICE_RESET__BANK3				0x0008
 
 #define TRANSFER_SPARE_REG			0x10
-#define     TRANSFER_SPARE_REG__FLAG			0x0001
+#define     TRANSFER_SPARE_REG__FLAG			BIT(0)
 
 #define LOAD_WAIT_CNT				0x20
-#define     LOAD_WAIT_CNT__VALUE			0xffff
+#define     LOAD_WAIT_CNT__VALUE			GENMASK(15, 0)
 
 #define PROGRAM_WAIT_CNT			0x30
-#define     PROGRAM_WAIT_CNT__VALUE			0xffff
+#define     PROGRAM_WAIT_CNT__VALUE			GENMASK(15, 0)
 
 #define ERASE_WAIT_CNT				0x40
-#define     ERASE_WAIT_CNT__VALUE			0xffff
+#define     ERASE_WAIT_CNT__VALUE			GENMASK(15, 0)
 
 #define INT_MON_CYCCNT				0x50
-#define     INT_MON_CYCCNT__VALUE			0xffff
+#define     INT_MON_CYCCNT__VALUE			GENMASK(15, 0)
 
 #define RB_PIN_ENABLED				0x60
-#define     RB_PIN_ENABLED__BANK0			0x0001
+#define     RB_PIN_ENABLED__BANK(bank)			BIT(bank)
-#define     RB_PIN_ENABLED__BANK1			0x0002
-#define     RB_PIN_ENABLED__BANK2			0x0004
-#define     RB_PIN_ENABLED__BANK3			0x0008
 
 #define MULTIPLANE_OPERATION			0x70
-#define     MULTIPLANE_OPERATION__FLAG			0x0001
+#define     MULTIPLANE_OPERATION__FLAG			BIT(0)
 
 #define MULTIPLANE_READ_ENABLE			0x80
-#define     MULTIPLANE_READ_ENABLE__FLAG		0x0001
+#define     MULTIPLANE_READ_ENABLE__FLAG		BIT(0)
 
 #define COPYBACK_DISABLE			0x90
-#define     COPYBACK_DISABLE__FLAG			0x0001
+#define     COPYBACK_DISABLE__FLAG			BIT(0)
 
 #define CACHE_WRITE_ENABLE			0xa0
-#define     CACHE_WRITE_ENABLE__FLAG			0x0001
+#define     CACHE_WRITE_ENABLE__FLAG			BIT(0)
 
 #define CACHE_READ_ENABLE			0xb0
-#define     CACHE_READ_ENABLE__FLAG			0x0001
+#define     CACHE_READ_ENABLE__FLAG			BIT(0)
 
 #define PREFETCH_MODE				0xc0
-#define     PREFETCH_MODE__PREFETCH_EN			0x0001
+#define     PREFETCH_MODE__PREFETCH_EN			BIT(0)
-#define     PREFETCH_MODE__PREFETCH_BURST_LENGTH	0xfff0
+#define     PREFETCH_MODE__PREFETCH_BURST_LENGTH	GENMASK(15, 4)
 
 #define CHIP_ENABLE_DONT_CARE			0xd0
-#define     CHIP_EN_DONT_CARE__FLAG			0x01
+#define     CHIP_EN_DONT_CARE__FLAG			BIT(0)
 
 #define ECC_ENABLE				0xe0
-#define     ECC_ENABLE__FLAG				0x0001
+#define     ECC_ENABLE__FLAG				BIT(0)
 
 #define GLOBAL_INT_ENABLE			0xf0
-#define     GLOBAL_INT_EN_FLAG				0x01
+#define     GLOBAL_INT_EN_FLAG				BIT(0)
 
-#define WE_2_RE					0x100
+#define TWHR2_AND_WE_2_RE			0x100
-#define     WE_2_RE__VALUE				0x003f
+#define     TWHR2_AND_WE_2_RE__WE_2_RE			GENMASK(5, 0)
+#define     TWHR2_AND_WE_2_RE__TWHR2			GENMASK(13, 8)
 
-#define ADDR_2_DATA				0x110
+#define TCWAW_AND_ADDR_2_DATA			0x110
-#define     ADDR_2_DATA__VALUE				0x003f
+/* The width of ADDR_2_DATA is 6 bit for old IP, 7 bit for new IP */
+#define     TCWAW_AND_ADDR_2_DATA__ADDR_2_DATA		GENMASK(6, 0)
+#define     TCWAW_AND_ADDR_2_DATA__TCWAW		GENMASK(13, 8)
 
 #define RE_2_WE					0x120
-#define     RE_2_WE__VALUE				0x003f
+#define     RE_2_WE__VALUE				GENMASK(5, 0)
 
 #define ACC_CLKS				0x130
-#define     ACC_CLKS__VALUE				0x000f
+#define     ACC_CLKS__VALUE				GENMASK(3, 0)
 
 #define NUMBER_OF_PLANES			0x140
-#define     NUMBER_OF_PLANES__VALUE			0x0007
+#define     NUMBER_OF_PLANES__VALUE			GENMASK(2, 0)
 
 #define PAGES_PER_BLOCK				0x150
-#define     PAGES_PER_BLOCK__VALUE			0xffff
+#define     PAGES_PER_BLOCK__VALUE			GENMASK(15, 0)
 
 #define DEVICE_WIDTH				0x160
-#define     DEVICE_WIDTH__VALUE				0x0003
+#define     DEVICE_WIDTH__VALUE				GENMASK(1, 0)
 
 #define DEVICE_MAIN_AREA_SIZE			0x170
-#define     DEVICE_MAIN_AREA_SIZE__VALUE		0xffff
+#define     DEVICE_MAIN_AREA_SIZE__VALUE		GENMASK(15, 0)
 
 #define DEVICE_SPARE_AREA_SIZE			0x180
-#define     DEVICE_SPARE_AREA_SIZE__VALUE		0xffff
+#define     DEVICE_SPARE_AREA_SIZE__VALUE		GENMASK(15, 0)
 
 #define TWO_ROW_ADDR_CYCLES			0x190
-#define     TWO_ROW_ADDR_CYCLES__FLAG			0x0001
+#define     TWO_ROW_ADDR_CYCLES__FLAG			BIT(0)
 
 #define MULTIPLANE_ADDR_RESTRICT		0x1a0
-#define     MULTIPLANE_ADDR_RESTRICT__FLAG		0x0001
+#define     MULTIPLANE_ADDR_RESTRICT__FLAG		BIT(0)
 
 #define ECC_CORRECTION				0x1b0
-#define     ECC_CORRECTION__VALUE			0x001f
+#define     ECC_CORRECTION__VALUE			GENMASK(4, 0)
+#define     ECC_CORRECTION__ERASE_THRESHOLD		GENMASK(31, 16)
 
 #define READ_MODE				0x1c0
-#define     READ_MODE__VALUE				0x000f
+#define     READ_MODE__VALUE				GENMASK(3, 0)
 
 #define WRITE_MODE				0x1d0
-#define     WRITE_MODE__VALUE				0x000f
+#define     WRITE_MODE__VALUE				GENMASK(3, 0)
 
 #define COPYBACK_MODE				0x1e0
-#define     COPYBACK_MODE__VALUE			0x000f
+#define     COPYBACK_MODE__VALUE			GENMASK(3, 0)
 
 #define RDWR_EN_LO_CNT				0x1f0
-#define     RDWR_EN_LO_CNT__VALUE			0x001f
+#define     RDWR_EN_LO_CNT__VALUE			GENMASK(4, 0)
 
 #define RDWR_EN_HI_CNT				0x200
-#define     RDWR_EN_HI_CNT__VALUE			0x001f
+#define     RDWR_EN_HI_CNT__VALUE			GENMASK(4, 0)
 
 #define MAX_RD_DELAY				0x210
-#define     MAX_RD_DELAY__VALUE				0x000f
+#define     MAX_RD_DELAY__VALUE				GENMASK(3, 0)
 
 #define CS_SETUP_CNT				0x220
-#define     CS_SETUP_CNT__VALUE				0x001f
+#define     CS_SETUP_CNT__VALUE				GENMASK(4, 0)
+#define     CS_SETUP_CNT__TWB				GENMASK(17, 12)
 
 #define SPARE_AREA_SKIP_BYTES			0x230
-#define     SPARE_AREA_SKIP_BYTES__VALUE		0x003f
+#define     SPARE_AREA_SKIP_BYTES__VALUE		GENMASK(5, 0)
 
 #define SPARE_AREA_MARKER			0x240
-#define     SPARE_AREA_MARKER__VALUE			0xffff
+#define     SPARE_AREA_MARKER__VALUE			GENMASK(15, 0)
 
 #define DEVICES_CONNECTED			0x250
-#define     DEVICES_CONNECTED__VALUE			0x0007
+#define     DEVICES_CONNECTED__VALUE			GENMASK(2, 0)
 
 #define DIE_MASK				0x260
-#define     DIE_MASK__VALUE				0x00ff
+#define     DIE_MASK__VALUE				GENMASK(7, 0)
 
 #define FIRST_BLOCK_OF_NEXT_PLANE		0x270
-#define     FIRST_BLOCK_OF_NEXT_PLANE__VALUE		0xffff
+#define     FIRST_BLOCK_OF_NEXT_PLANE__VALUE		GENMASK(15, 0)
 
 #define WRITE_PROTECT				0x280
-#define     WRITE_PROTECT__FLAG				0x0001
+#define     WRITE_PROTECT__FLAG				BIT(0)
 
 #define RE_2_RE					0x290
-#define     RE_2_RE__VALUE				0x003f
+#define     RE_2_RE__VALUE				GENMASK(5, 0)
 
 #define MANUFACTURER_ID				0x300
-#define     MANUFACTURER_ID__VALUE			0x00ff
+#define     MANUFACTURER_ID__VALUE			GENMASK(7, 0)
 
 #define DEVICE_ID				0x310
-#define     DEVICE_ID__VALUE				0x00ff
+#define     DEVICE_ID__VALUE				GENMASK(7, 0)
 
 #define DEVICE_PARAM_0				0x320
-#define     DEVICE_PARAM_0__VALUE			0x00ff
+#define     DEVICE_PARAM_0__VALUE			GENMASK(7, 0)
 
 #define DEVICE_PARAM_1				0x330
-#define     DEVICE_PARAM_1__VALUE			0x00ff
+#define     DEVICE_PARAM_1__VALUE			GENMASK(7, 0)
 
 #define DEVICE_PARAM_2				0x340
-#define     DEVICE_PARAM_2__VALUE			0x00ff
+#define     DEVICE_PARAM_2__VALUE			GENMASK(7, 0)
 
 #define LOGICAL_PAGE_DATA_SIZE			0x350
-#define     LOGICAL_PAGE_DATA_SIZE__VALUE		0xffff
+#define     LOGICAL_PAGE_DATA_SIZE__VALUE		GENMASK(15, 0)
 
 #define LOGICAL_PAGE_SPARE_SIZE			0x360
-#define     LOGICAL_PAGE_SPARE_SIZE__VALUE		0xffff
+#define     LOGICAL_PAGE_SPARE_SIZE__VALUE		GENMASK(15, 0)
 
 #define REVISION				0x370
-#define     REVISION__VALUE				0xffff
+#define     REVISION__VALUE				GENMASK(15, 0)
 
 #define ONFI_DEVICE_FEATURES			0x380
-#define     ONFI_DEVICE_FEATURES__VALUE			0x003f
+#define     ONFI_DEVICE_FEATURES__VALUE			GENMASK(5, 0)
 
 #define ONFI_OPTIONAL_COMMANDS			0x390
-#define     ONFI_OPTIONAL_COMMANDS__VALUE		0x003f
+#define     ONFI_OPTIONAL_COMMANDS__VALUE		GENMASK(5, 0)
 
 #define ONFI_TIMING_MODE			0x3a0
-#define     ONFI_TIMING_MODE__VALUE			0x003f
+#define     ONFI_TIMING_MODE__VALUE			GENMASK(5, 0)
 
 #define ONFI_PGM_CACHE_TIMING_MODE		0x3b0
-#define     ONFI_PGM_CACHE_TIMING_MODE__VALUE		0x003f
+#define     ONFI_PGM_CACHE_TIMING_MODE__VALUE		GENMASK(5, 0)
 
 #define ONFI_DEVICE_NO_OF_LUNS			0x3c0
-#define     ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS		0x00ff
+#define     ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS		GENMASK(7, 0)
-#define     ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE		0x0100
+#define     ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE		BIT(8)
 
 #define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L	0x3d0
-#define     ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L__VALUE	0xffff
+#define     ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L__VALUE	GENMASK(15, 0)
 
 #define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U	0x3e0
-#define     ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U__VALUE	0xffff
+#define     ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U__VALUE	GENMASK(15, 0)
 
 #define FEATURES				0x3f0
-#define     FEATURES__N_BANKS				0x0003
+#define     FEATURES__N_BANKS				GENMASK(1, 0)
-#define     FEATURES__ECC_MAX_ERR			0x003c
+#define     FEATURES__ECC_MAX_ERR			GENMASK(5, 2)
-#define     FEATURES__DMA				0x0040
+#define     FEATURES__DMA				BIT(6)
-#define     FEATURES__CMD_DMA				0x0080
+#define     FEATURES__CMD_DMA				BIT(7)
-#define     FEATURES__PARTITION				0x0100
+#define     FEATURES__PARTITION				BIT(8)
-#define     FEATURES__XDMA_SIDEBAND			0x0200
+#define     FEATURES__XDMA_SIDEBAND			BIT(9)
-#define     FEATURES__GPREG				0x0400
+#define     FEATURES__GPREG				BIT(10)
-#define     FEATURES__INDEX_ADDR			0x0800
+#define     FEATURES__INDEX_ADDR			BIT(11)
 
 #define TRANSFER_MODE				0x400
-#define     TRANSFER_MODE__VALUE			0x0003
+#define     TRANSFER_MODE__VALUE			GENMASK(1, 0)
 
-#define INTR_STATUS(__bank)	(0x410 + ((__bank) * 0x50))
+#define INTR_STATUS(bank)			(0x410 + (bank) * 0x50)
-#define INTR_EN(__bank)		(0x420 + ((__bank) * 0x50))
+#define INTR_EN(bank)				(0x420 + (bank) * 0x50)
+/* bit[1:0] is used differently depending on IP version */
+#define     INTR__ECC_UNCOR_ERR				BIT(0)	/* new IP */
+#define     INTR__ECC_TRANSACTION_DONE			BIT(0)	/* old IP */
+#define     INTR__ECC_ERR				BIT(1)	/* old IP */
+#define     INTR__DMA_CMD_COMP				BIT(2)
+#define     INTR__TIME_OUT				BIT(3)
+#define     INTR__PROGRAM_FAIL				BIT(4)
+#define     INTR__ERASE_FAIL				BIT(5)
+#define     INTR__LOAD_COMP				BIT(6)
+#define     INTR__PROGRAM_COMP				BIT(7)
+#define     INTR__ERASE_COMP				BIT(8)
+#define     INTR__PIPE_CPYBCK_CMD_COMP			BIT(9)
+#define     INTR__LOCKED_BLK				BIT(10)
+#define     INTR__UNSUP_CMD				BIT(11)
+#define     INTR__INT_ACT				BIT(12)
+#define     INTR__RST_COMP				BIT(13)
+#define     INTR__PIPE_CMD_ERR				BIT(14)
+#define     INTR__PAGE_XFER_INC				BIT(15)
+#define     INTR__ERASED_PAGE				BIT(16)
 
-/*
+#define PAGE_CNT(bank)				(0x430 + (bank) * 0x50)
- * Some versions of the IP have the ECC fixup handled in hardware.  In this
+#define ERR_PAGE_ADDR(bank)			(0x440 + (bank) * 0x50)
- * configuration we only get interrupted when the error is uncorrectable.
+#define ERR_BLOCK_ADDR(bank)			(0x450 + (bank) * 0x50)
- * Unfortunately this bit replaces INTR_STATUS__ECC_TRANSACTION_DONE from the
- * old IP.
- */
-#define     INTR_STATUS__ECC_UNCOR_ERR			0x0001
-#define     INTR_STATUS__ECC_TRANSACTION_DONE		0x0001
-#define     INTR_STATUS__ECC_ERR			0x0002
-#define     INTR_STATUS__DMA_CMD_COMP			0x0004
-#define     INTR_STATUS__TIME_OUT			0x0008
-#define     INTR_STATUS__PROGRAM_FAIL			0x0010
-#define     INTR_STATUS__ERASE_FAIL			0x0020
-#define     INTR_STATUS__LOAD_COMP			0x0040
-#define     INTR_STATUS__PROGRAM_COMP			0x0080
-#define     INTR_STATUS__ERASE_COMP			0x0100
-#define     INTR_STATUS__PIPE_CPYBCK_CMD_COMP		0x0200
-#define     INTR_STATUS__LOCKED_BLK			0x0400
-#define     INTR_STATUS__UNSUP_CMD			0x0800
-#define     INTR_STATUS__INT_ACT			0x1000
-#define     INTR_STATUS__RST_COMP			0x2000
-#define     INTR_STATUS__PIPE_CMD_ERR			0x4000
-#define     INTR_STATUS__PAGE_XFER_INC			0x8000
-
-#define     INTR_EN__ECC_TRANSACTION_DONE		0x0001
-#define     INTR_EN__ECC_ERR				0x0002
-#define     INTR_EN__DMA_CMD_COMP			0x0004
-#define     INTR_EN__TIME_OUT				0x0008
-#define     INTR_EN__PROGRAM_FAIL			0x0010
-#define     INTR_EN__ERASE_FAIL				0x0020
-#define     INTR_EN__LOAD_COMP				0x0040
-#define     INTR_EN__PROGRAM_COMP			0x0080
-#define     INTR_EN__ERASE_COMP				0x0100
-#define     INTR_EN__PIPE_CPYBCK_CMD_COMP		0x0200
-#define     INTR_EN__LOCKED_BLK				0x0400
-#define     INTR_EN__UNSUP_CMD				0x0800
-#define     INTR_EN__INT_ACT				0x1000
-#define     INTR_EN__RST_COMP				0x2000
-#define     INTR_EN__PIPE_CMD_ERR			0x4000
-#define     INTR_EN__PAGE_XFER_INC			0x8000
-
-#define PAGE_CNT(__bank)	(0x430 + ((__bank) * 0x50))
-#define ERR_PAGE_ADDR(__bank)	(0x440 + ((__bank) * 0x50))
-#define ERR_BLOCK_ADDR(__bank)	(0x450 + ((__bank) * 0x50))
-
-#define DATA_INTR				0x550
-#define     DATA_INTR__WRITE_SPACE_AV			0x0001
-#define     DATA_INTR__READ_DATA_AV			0x0002
-
-#define DATA_INTR_EN				0x560
-#define     DATA_INTR_EN__WRITE_SPACE_AV		0x0001
-#define     DATA_INTR_EN__READ_DATA_AV			0x0002
-
-#define GPREG_0					0x570
-#define     GPREG_0__VALUE				0xffff
-
-#define GPREG_1					0x580
-#define     GPREG_1__VALUE				0xffff
-
-#define GPREG_2					0x590
-#define     GPREG_2__VALUE				0xffff
-
-#define GPREG_3					0x5a0
-#define     GPREG_3__VALUE				0xffff
 
 #define ECC_THRESHOLD				0x600
-#define     ECC_THRESHOLD__VALUE			0x03ff
+#define     ECC_THRESHOLD__VALUE			GENMASK(9, 0)
 
 #define ECC_ERROR_BLOCK_ADDRESS			0x610
-#define     ECC_ERROR_BLOCK_ADDRESS__VALUE		0xffff
+#define     ECC_ERROR_BLOCK_ADDRESS__VALUE		GENMASK(15, 0)
 
 #define ECC_ERROR_PAGE_ADDRESS			0x620
-#define     ECC_ERROR_PAGE_ADDRESS__VALUE		0x0fff
+#define     ECC_ERROR_PAGE_ADDRESS__VALUE		GENMASK(11, 0)
-#define     ECC_ERROR_PAGE_ADDRESS__BANK		0xf000
+#define     ECC_ERROR_PAGE_ADDRESS__BANK		GENMASK(15, 12)
 
 #define ECC_ERROR_ADDRESS			0x630
-#define     ECC_ERROR_ADDRESS__OFFSET			0x0fff
+#define     ECC_ERROR_ADDRESS__OFFSET			GENMASK(11, 0)
-#define     ECC_ERROR_ADDRESS__SECTOR_NR		0xf000
+#define     ECC_ERROR_ADDRESS__SECTOR			GENMASK(15, 12)
 
 #define ERR_CORRECTION_INFO			0x640
-#define     ERR_CORRECTION_INFO__BYTEMASK		0x00ff
+#define     ERR_CORRECTION_INFO__BYTE			GENMASK(7, 0)
-#define     ERR_CORRECTION_INFO__DEVICE_NR		0x0f00
+#define     ERR_CORRECTION_INFO__DEVICE			GENMASK(11, 8)
-#define     ERR_CORRECTION_INFO__ERROR_TYPE		0x4000
+#define     ERR_CORRECTION_INFO__UNCOR			BIT(14)
-#define     ERR_CORRECTION_INFO__LAST_ERR_INFO		0x8000
+#define     ERR_CORRECTION_INFO__LAST_ERR		BIT(15)
+
+#define ECC_COR_INFO(bank)			(0x650 + (bank) / 2 * 0x10)
+#define     ECC_COR_INFO__SHIFT(bank)			((bank) % 2 * 8)
+#define     ECC_COR_INFO__MAX_ERRORS			GENMASK(6, 0)
+#define     ECC_COR_INFO__UNCOR_ERR			BIT(7)
+
+#define CFG_DATA_BLOCK_SIZE			0x6b0
+
+#define CFG_LAST_DATA_BLOCK_SIZE		0x6c0
+
+#define CFG_NUM_DATA_BLOCKS			0x6d0
+
+#define CFG_META_DATA_SIZE			0x6e0
 
 #define DMA_ENABLE				0x700
-#define     DMA_ENABLE__FLAG				0x0001
+#define     DMA_ENABLE__FLAG				BIT(0)
 
 #define IGNORE_ECC_DONE				0x710
-#define     IGNORE_ECC_DONE__FLAG			0x0001
+#define     IGNORE_ECC_DONE__FLAG			BIT(0)
 
 #define DMA_INTR				0x720
-#define     DMA_INTR__TARGET_ERROR			0x0001
-#define     DMA_INTR__DESC_COMP_CHANNEL0		0x0002
-#define     DMA_INTR__DESC_COMP_CHANNEL1		0x0004
-#define     DMA_INTR__DESC_COMP_CHANNEL2		0x0008
-#define     DMA_INTR__DESC_COMP_CHANNEL3		0x0010
-#define     DMA_INTR__MEMCOPY_DESC_COMP		0x0020
-
 #define DMA_INTR_EN				0x730
-#define     DMA_INTR_EN__TARGET_ERROR			0x0001
+#define     DMA_INTR__TARGET_ERROR			BIT(0)
-#define     DMA_INTR_EN__DESC_COMP_CHANNEL0		0x0002
+#define     DMA_INTR__DESC_COMP_CHANNEL0		BIT(1)
-#define     DMA_INTR_EN__DESC_COMP_CHANNEL1		0x0004
+#define     DMA_INTR__DESC_COMP_CHANNEL1		BIT(2)
-#define     DMA_INTR_EN__DESC_COMP_CHANNEL2		0x0008
+#define     DMA_INTR__DESC_COMP_CHANNEL2		BIT(3)
-#define     DMA_INTR_EN__DESC_COMP_CHANNEL3		0x0010
+#define     DMA_INTR__DESC_COMP_CHANNEL3		BIT(4)
-#define     DMA_INTR_EN__MEMCOPY_DESC_COMP		0x0020
+#define     DMA_INTR__MEMCOPY_DESC_COMP			BIT(5)
 
 #define TARGET_ERR_ADDR_LO			0x740
-#define     TARGET_ERR_ADDR_LO__VALUE			0xffff
+#define     TARGET_ERR_ADDR_LO__VALUE			GENMASK(15, 0)
 
 #define TARGET_ERR_ADDR_HI			0x750
-#define     TARGET_ERR_ADDR_HI__VALUE			0xffff
+#define     TARGET_ERR_ADDR_HI__VALUE			GENMASK(15, 0)
 
 #define CHNL_ACTIVE				0x760
-#define     CHNL_ACTIVE__CHANNEL0			0x0001
+#define     CHNL_ACTIVE__CHANNEL0			BIT(0)
-#define     CHNL_ACTIVE__CHANNEL1			0x0002
+#define     CHNL_ACTIVE__CHANNEL1			BIT(1)
-#define     CHNL_ACTIVE__CHANNEL2			0x0004
+#define     CHNL_ACTIVE__CHANNEL2			BIT(2)
-#define     CHNL_ACTIVE__CHANNEL3			0x0008
+#define     CHNL_ACTIVE__CHANNEL3			BIT(3)
 
-#define ACTIVE_SRC_ID				0x800
+struct udevice;
-#define     ACTIVE_SRC_ID__VALUE			0x00ff
-
-#define PTN_INTR					0x810
-#define     PTN_INTR__CONFIG_ERROR			0x0001
-#define     PTN_INTR__ACCESS_ERROR_BANK0		0x0002
-#define     PTN_INTR__ACCESS_ERROR_BANK1		0x0004
-#define     PTN_INTR__ACCESS_ERROR_BANK2		0x0008
-#define     PTN_INTR__ACCESS_ERROR_BANK3		0x0010
-#define     PTN_INTR__REG_ACCESS_ERROR			0x0020
-
-#define PTN_INTR_EN				0x820
-#define     PTN_INTR_EN__CONFIG_ERROR			0x0001
-#define     PTN_INTR_EN__ACCESS_ERROR_BANK0		0x0002
-#define     PTN_INTR_EN__ACCESS_ERROR_BANK1		0x0004
-#define     PTN_INTR_EN__ACCESS_ERROR_BANK2		0x0008
-#define     PTN_INTR_EN__ACCESS_ERROR_BANK3		0x0010
-#define     PTN_INTR_EN__REG_ACCESS_ERROR		0x0020
-
-#define PERM_SRC_ID(__bank)	(0x830 + ((__bank) * 0x40))
-#define     PERM_SRC_ID__SRCID				0x00ff
-#define     PERM_SRC_ID__DIRECT_ACCESS_ACTIVE		0x0800
-#define     PERM_SRC_ID__WRITE_ACTIVE			0x2000
-#define     PERM_SRC_ID__READ_ACTIVE			0x4000
-#define     PERM_SRC_ID__PARTITION_VALID		0x8000
-
-#define MIN_BLK_ADDR(__bank)	(0x840 + ((__bank) * 0x40))
-#define     MIN_BLK_ADDR__VALUE				0xffff
-
-#define MAX_BLK_ADDR(__bank)	(0x850 + ((__bank) * 0x40))
-#define     MAX_BLK_ADDR__VALUE				0xffff
-
-#define MIN_MAX_BANK(__bank)	(0x860 + ((__bank) * 0x40))
-#define     MIN_MAX_BANK__MIN_VALUE			0x0003
-#define     MIN_MAX_BANK__MAX_VALUE			0x000c
-
-/* lld.h */
-#define GOOD_BLOCK 0
-#define DEFECTIVE_BLOCK 1
-#define READ_ERROR 2
-
-#define CLK_X  5
-#define CLK_MULTI 4
-
-/* spectraswconfig.h */
-#define CMD_DMA 0
-
-#define SPECTRA_PARTITION_ID    0
-/**** Block Table and Reserved Block Parameters *****/
-#define SPECTRA_START_BLOCK     3
-#define NUM_FREE_BLOCKS_GATE    30
-
-/* KBV - Updated to LNW scratch register address */
-#define SCRATCH_REG_ADDR    CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR
-#define SCRATCH_REG_SIZE    64
-
-#define GLOB_HWCTL_DEFAULT_BLKS    2048
-
-#define CUSTOM_CONF_PARAMS      0
-
-#define INDEX_CTRL_REG    0x0
-#define INDEX_DATA_REG    0x10
-
-#define MODE_00    0x00000000
-#define MODE_01    0x04000000
-#define MODE_10    0x08000000
-#define MODE_11    0x0C000000
-
-
-#define DATA_TRANSFER_MODE              0
-#define PROTECTION_PER_BLOCK            1
-#define LOAD_WAIT_COUNT                 2
-#define PROGRAM_WAIT_COUNT              3
-#define ERASE_WAIT_COUNT                4
-#define INT_MONITOR_CYCLE_COUNT         5
-#define READ_BUSY_PIN_ENABLED           6
-#define MULTIPLANE_OPERATION_SUPPORT    7
-#define PRE_FETCH_MODE                  8
-#define CE_DONT_CARE_SUPPORT            9
-#define COPYBACK_SUPPORT                10
-#define CACHE_WRITE_SUPPORT             11
-#define CACHE_READ_SUPPORT              12
-#define NUM_PAGES_IN_BLOCK              13
-#define ECC_ENABLE_SELECT               14
-#define WRITE_ENABLE_2_READ_ENABLE      15
-#define ADDRESS_2_DATA                  16
-#define READ_ENABLE_2_WRITE_ENABLE      17
-#define TWO_ROW_ADDRESS_CYCLES          18
-#define MULTIPLANE_ADDRESS_RESTRICT     19
-#define ACC_CLOCKS                      20
-#define READ_WRITE_ENABLE_LOW_COUNT     21
-#define READ_WRITE_ENABLE_HIGH_COUNT    22
-
-#define ECC_SECTOR_SIZE     512
-
-#define DENALI_BUF_SIZE		(NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE)
-
-struct nand_buf {
-	int head;
-	int tail;
-	/* seprating dma_buf as buf can be used for status read purpose */
-	uint8_t dma_buf[DENALI_BUF_SIZE]  __aligned(64);
-	uint8_t buf[DENALI_BUF_SIZE];
-};
-
-#define INTEL_CE4100	1
-#define INTEL_MRST	2
-#define DT		3
 
 struct denali_nand_info {
 	struct nand_chip nand;
 	unsigned long clk_x_rate;	/* bus interface clock rate */
-	int flash_bank; /* currently selected chip */
+	int active_bank;		/* currently selected bank */
-	int status;
+	struct udevice *dev;
-	int platform;
-	struct nand_buf buf;
-	struct device *dev;
-	int total_used_banks;
-	uint32_t block;  /* stored for future use */
 	uint32_t page;
-	void __iomem *flash_reg;  /* Mapped io reg base address */
+	void __iomem *reg;		/* Register Interface */
-	void __iomem *flash_mem;  /* Mapped io reg base address */
+	void __iomem *host;		/* Host Data/Command Interface */
-
+	u32 irq_mask;			/* interrupts we are waiting for */
-	/* elements used by ISR */
+	u32 irq_status;			/* interrupts that have happened */
-	/*struct completion complete;*/
-
-	uint32_t irq_status;
-	int irq_debug_array[32];
-	int idx;
 	int irq;
-
+	void *buf;			/* for syndrome layout conversion */
-	uint32_t devnum;	/* represent how many nands connected */
+	dma_addr_t dma_addr;
-	uint32_t fwblks; /* represent how many blocks FW used */
+	int dma_avail;			/* can support DMA? */
-	uint32_t totalblks;
+	int devs_per_cs;		/* devices connected in parallel */
-	uint32_t blksperchip;
+	int oob_skip_bytes;		/* number of bytes reserved for BBM */
-	uint32_t bbtskipbytes;
+	int max_banks;
-	uint32_t max_banks;
+	unsigned int revision;		/* IP revision */
-	unsigned int revision;
+	unsigned int caps;		/* IP capability (or quirk) */
-	unsigned int caps;
+	const struct nand_ecc_caps *ecc_caps;
+	u32 (*host_read)(struct denali_nand_info *denali, u32 addr);
+	void (*host_write)(struct denali_nand_info *denali, u32 addr, u32 data);
+	void (*setup_dma)(struct denali_nand_info *denali, dma_addr_t dma_addr,
+			  int page, int write);
 };
 
 #define DENALI_CAP_HW_ECC_FIXUP			BIT(0)
 #define DENALI_CAP_DMA_64BIT			BIT(1)
 
+int denali_calc_ecc_bytes(int step_size, int strength);
 int denali_init(struct denali_nand_info *denali);
 
 #endif /* __DENALI_H__ */

drivers/mtd/nand/denali_dt.c

@@ -16,21 +16,31 @@
 struct denali_dt_data {
 	unsigned int revision;
 	unsigned int caps;
+	const struct nand_ecc_caps *ecc_caps;
 };
 
+NAND_ECC_CAPS_SINGLE(denali_socfpga_ecc_caps, denali_calc_ecc_bytes,
+		     512, 8, 15);
 static const struct denali_dt_data denali_socfpga_data = {
 	.caps = DENALI_CAP_HW_ECC_FIXUP,
+	.ecc_caps = &denali_socfpga_ecc_caps,
 };
 
+NAND_ECC_CAPS_SINGLE(denali_uniphier_v5a_ecc_caps, denali_calc_ecc_bytes,
+		     1024, 8, 16, 24);
 static const struct denali_dt_data denali_uniphier_v5a_data = {
 	.caps = DENALI_CAP_HW_ECC_FIXUP |
 		DENALI_CAP_DMA_64BIT,
+	.ecc_caps = &denali_uniphier_v5a_ecc_caps,
 };
 
+NAND_ECC_CAPS_SINGLE(denali_uniphier_v5b_ecc_caps, denali_calc_ecc_bytes,
+		     1024, 8, 16);
 static const struct denali_dt_data denali_uniphier_v5b_data = {
 	.revision = 0x0501,
 	.caps = DENALI_CAP_HW_ECC_FIXUP |
 		DENALI_CAP_DMA_64BIT,
+	.ecc_caps = &denali_uniphier_v5b_ecc_caps,
 };
 
 static const struct udevice_id denali_nand_dt_ids[] = {
@@ -61,19 +71,22 @@ static int denali_dt_probe(struct udevice *dev)
 	if (data) {
 		denali->revision = data->revision;
 		denali->caps = data->caps;
+		denali->ecc_caps = data->ecc_caps;
 	}
 
+	denali->dev = dev;
+
 	ret = dev_read_resource_byname(dev, "denali_reg", &res);
 	if (ret)
 		return ret;
 
-	denali->flash_reg = devm_ioremap(dev, res.start, resource_size(&res));
+	denali->reg = devm_ioremap(dev, res.start, resource_size(&res));
 
 	ret = dev_read_resource_byname(dev, "nand_data", &res);
 	if (ret)
 		return ret;
 
-	denali->flash_mem = devm_ioremap(dev, res.start, resource_size(&res));
+	denali->host = devm_ioremap(dev, res.start, resource_size(&res));
 
 	ret = clk_get_by_index(dev, 0, &clk);
 	if (ret)

drivers/mtd/nand/denali_spl.c

@@ -11,6 +11,12 @@
 #include <linux/mtd/nand.h>
 #include "denali.h"
 
+#define DENALI_MAP01		(1 << 26)	/* read/write pages in PIO */
+#define DENALI_MAP10		(2 << 26)	/* high-level control plane */
+
+#define INDEX_CTRL_REG		0x0
+#define INDEX_DATA_REG		0x10
+
 #define SPARE_ACCESS		0x41
 #define MAIN_ACCESS		0x42
 #define PIPELINE_ACCESS		0x2000
@@ -39,7 +45,7 @@ static int wait_for_irq(uint32_t irq_mask)
 	do {
 		intr_status = readl(denali_flash_reg + INTR_STATUS(flash_bank));
 
-		if (intr_status & INTR_STATUS__ECC_UNCOR_ERR) {
+		if (intr_status & INTR__ECC_UNCOR_ERR) {
 			debug("Uncorrected ECC detected\n");
 			return -EBADMSG;
 		}
@@ -106,16 +112,16 @@ int denali_send_pipeline_cmd(int page, int ecc_en, int access_type)
 	addr = BANK(flash_bank) | page;
 
 	/* setup the acccess type */
-	cmd = MODE_10 | addr;
+	cmd = DENALI_MAP10 | addr;
 	index_addr(cmd, access_type);
 
 	/* setup the pipeline command */
 	index_addr(cmd, PIPELINE_ACCESS | page_count);
 
-	cmd = MODE_01 | addr;
+	cmd = DENALI_MAP01 | addr;
 	writel(cmd, denali_flash_mem + INDEX_CTRL_REG);
 
-	return wait_for_irq(INTR_STATUS__LOAD_COMP);
+	return wait_for_irq(INTR__LOAD_COMP);
 }
 
 static int nand_read_oob(void *buf, int page)

drivers/mtd/nand/nand_base.c

@@ -634,8 +634,7 @@ static void nand_command(struct mtd_info *mtd, unsigned int command,
 		chip->cmd_ctrl(mtd, page_addr, ctrl);
 		ctrl &= ~NAND_CTRL_CHANGE;
 		chip->cmd_ctrl(mtd, page_addr >> 8, ctrl);
-		/* One more address cycle for devices > 32MiB */
+		if (chip->options & NAND_ROW_ADDR_3)
-		if (chip->chipsize > (32 << 20))
 			chip->cmd_ctrl(mtd, page_addr >> 16, ctrl);
 	}
 	chip->cmd_ctrl(mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
@@ -729,8 +728,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
 			chip->cmd_ctrl(mtd, page_addr, ctrl);
 			chip->cmd_ctrl(mtd, page_addr >> 8,
 				       NAND_NCE | NAND_ALE);
-			/* One more address cycle for devices > 128MiB */
+			if (chip->options & NAND_ROW_ADDR_3)
-			if (chip->chipsize > (128 << 20))
 				chip->cmd_ctrl(mtd, page_addr >> 16,
 					       NAND_NCE | NAND_ALE);
 		}
@@ -901,7 +899,184 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
 	return status;
 }
 
-#define BITS_PER_BYTE 8
+/**
+ * nand_reset_data_interface - Reset data interface and timings
+ * @chip: The NAND chip
+ * @chipnr: Internal die id
+ *
+ * Reset the Data interface and timings to ONFI mode 0.
+ *
+ * Returns 0 for success or negative error code otherwise.
+ */
+static int nand_reset_data_interface(struct nand_chip *chip, int chipnr)
+{
+	struct mtd_info *mtd = nand_to_mtd(chip);
+	const struct nand_data_interface *conf;
+	int ret;
+
+	if (!chip->setup_data_interface)
+		return 0;
+
+	/*
+	 * The ONFI specification says:
+	 * "
+	 * To transition from NV-DDR or NV-DDR2 to the SDR data
+	 * interface, the host shall use the Reset (FFh) command
+	 * using SDR timing mode 0. A device in any timing mode is
+	 * required to recognize Reset (FFh) command issued in SDR
+	 * timing mode 0.
+	 * "
+	 *
+	 * Configure the data interface in SDR mode and set the
+	 * timings to timing mode 0.
+	 */
+
+	conf = nand_get_default_data_interface();
+	ret = chip->setup_data_interface(mtd, chipnr, conf);
+	if (ret)
+		pr_err("Failed to configure data interface to SDR timing mode 0\n");
+
+	return ret;
+}
+
+/**
+ * nand_setup_data_interface - Setup the best data interface and timings
+ * @chip: The NAND chip
+ * @chipnr: Internal die id
+ *
+ * Find and configure the best data interface and NAND timings supported by
+ * the chip and the driver.
+ * First tries to retrieve supported timing modes from ONFI information,
+ * and if the NAND chip does not support ONFI, relies on the
+ * ->onfi_timing_mode_default specified in the nand_ids table.
+ *
+ * Returns 0 for success or negative error code otherwise.
+ */
+static int nand_setup_data_interface(struct nand_chip *chip, int chipnr)
+{
+	struct mtd_info *mtd = nand_to_mtd(chip);
+	int ret;
+
+	if (!chip->setup_data_interface || !chip->data_interface)
+		return 0;
+
+	/*
+	 * Ensure the timing mode has been changed on the chip side
+	 * before changing timings on the controller side.
+	 */
+	if (chip->onfi_version) {
+		u8 tmode_param[ONFI_SUBFEATURE_PARAM_LEN] = {
+			chip->onfi_timing_mode_default,
+		};
+
+		ret = chip->onfi_set_features(mtd, chip,
+				ONFI_FEATURE_ADDR_TIMING_MODE,
+				tmode_param);
+		if (ret)
+			goto err;
+	}
+
+	ret = chip->setup_data_interface(mtd, chipnr, chip->data_interface);
+err:
+	return ret;
+}
+
+/**
+ * nand_init_data_interface - find the best data interface and timings
+ * @chip: The NAND chip
+ *
+ * Find the best data interface and NAND timings supported by the chip
+ * and the driver.
+ * First tries to retrieve supported timing modes from ONFI information,
+ * and if the NAND chip does not support ONFI, relies on the
+ * ->onfi_timing_mode_default specified in the nand_ids table. After this
+ * function nand_chip->data_interface is initialized with the best timing mode
+ * available.
+ *
+ * Returns 0 for success or negative error code otherwise.
+ */
+static int nand_init_data_interface(struct nand_chip *chip)
+{
+	struct mtd_info *mtd = nand_to_mtd(chip);
+	int modes, mode, ret;
+
+	if (!chip->setup_data_interface)
+		return 0;
+
+	/*
+	 * First try to identify the best timings from ONFI parameters and
+	 * if the NAND does not support ONFI, fallback to the default ONFI
+	 * timing mode.
+	 */
+	modes = onfi_get_async_timing_mode(chip);
+	if (modes == ONFI_TIMING_MODE_UNKNOWN) {
+		if (!chip->onfi_timing_mode_default)
+			return 0;
+
+		modes = GENMASK(chip->onfi_timing_mode_default, 0);
+	}
+
+	chip->data_interface = kzalloc(sizeof(*chip->data_interface),
+				       GFP_KERNEL);
+	if (!chip->data_interface)
+		return -ENOMEM;
+
+	for (mode = fls(modes) - 1; mode >= 0; mode--) {
+		ret = onfi_init_data_interface(chip, chip->data_interface,
+					       NAND_SDR_IFACE, mode);
+		if (ret)
+			continue;
+
+		/* Pass -1 to only */
+		ret = chip->setup_data_interface(mtd,
+						 NAND_DATA_IFACE_CHECK_ONLY,
+						 chip->data_interface);
+		if (!ret) {
+			chip->onfi_timing_mode_default = mode;
+			break;
+		}
+	}
+
+	return 0;
+}
+
+static void __maybe_unused nand_release_data_interface(struct nand_chip *chip)
+{
+	kfree(chip->data_interface);
+}
+
+/**
+ * nand_reset - Reset and initialize a NAND device
+ * @chip: The NAND chip
+ * @chipnr: Internal die id
+ *
+ * Returns 0 for success or negative error code otherwise
+ */
+int nand_reset(struct nand_chip *chip, int chipnr)
+{
+	struct mtd_info *mtd = nand_to_mtd(chip);
+	int ret;
+
+	ret = nand_reset_data_interface(chip, chipnr);
+	if (ret)
+		return ret;
+
+	/*
+	 * The CS line has to be released before we can apply the new NAND
+	 * interface settings, hence this weird ->select_chip() dance.
+	 */
+	chip->select_chip(mtd, chipnr);
+	chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+	chip->select_chip(mtd, -1);
+
+	chip->select_chip(mtd, chipnr);
+	ret = nand_setup_data_interface(chip, chipnr);
+	chip->select_chip(mtd, -1);
+	if (ret)
+		return ret;
+
+	return 0;
+}
 
 /**
  * nand_check_erased_buf - check if a buffer contains (almost) only 0xff data
@@ -1547,6 +1722,9 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
 
 		if (!aligned)
 			use_bufpoi = 1;
+		else if (chip->options & NAND_USE_BOUNCE_BUFFER)
+			use_bufpoi = !IS_ALIGNED((unsigned long)buf,
+						 chip->buf_align);
 		else
 			use_bufpoi = 0;
 
@@ -1559,6 +1737,7 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
 						 __func__, buf);
 
 read_retry:
+			if (nand_standard_page_accessors(&chip->ecc))
 				chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
 
 			/*
@@ -2235,12 +2414,11 @@ static int nand_write_page_syndrome(struct mtd_info *mtd,
  * @buf: the data to write
  * @oob_required: must write chip->oob_poi to OOB
  * @page: page number to write
- * @cached: cached programming
  * @raw: use _raw version of write_page
  */
 static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
 		uint32_t offset, int data_len, const uint8_t *buf,
-		int oob_required, int page, int cached, int raw)
+		int oob_required, int page, int raw)
 {
 	int status, subpage;
 
@@ -2250,6 +2428,7 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
 	else
 		subpage = 0;
 
+	if (nand_standard_page_accessors(&chip->ecc))
 		chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page);
 
 	if (unlikely(raw))
@@ -2265,29 +2444,12 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
 	if (status < 0)
 		return status;
 
-	/*
+	if (nand_standard_page_accessors(&chip->ecc)) {
-	 * Cached progamming disabled for now. Not sure if it's worth the
-	 * trouble. The speed gain is not very impressive. (2.3->2.6Mib/s).
-	 */
-	cached = 0;
-
-	if (!cached || !NAND_HAS_CACHEPROG(chip)) {
-
 		chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
-		status = chip->waitfunc(mtd, chip);
-		/*
-		 * See if operation failed and additional status checks are
-		 * available.
-		 */
-		if ((status & NAND_STATUS_FAIL) && (chip->errstat))
-			status = chip->errstat(mtd, chip, FL_WRITING, status,
-					       page);
 
+		status = chip->waitfunc(mtd, chip);
 		if (status & NAND_STATUS_FAIL)
 			return -EIO;
-	} else {
-		chip->cmdfunc(mtd, NAND_CMD_CACHEDPROG, -1, -1);
-		status = chip->waitfunc(mtd, chip);
 	}
 
 	return 0;
@@ -2362,7 +2524,7 @@ static uint8_t *nand_fill_oob(struct mtd_info *mtd, uint8_t *oob, size_t len,
 static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 			     struct mtd_oob_ops *ops)
 {
-	int chipnr, realpage, page, blockmask, column;
+	int chipnr, realpage, page, column;
 	struct nand_chip *chip = mtd_to_nand(mtd);
 	uint32_t writelen = ops->len;
 
@@ -2398,7 +2560,6 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 
 	realpage = (int)(to >> chip->page_shift);
 	page = realpage & chip->pagemask;
-	blockmask = (1 << (chip->phys_erase_shift - chip->page_shift)) - 1;
 
 	/* Invalidate the page cache, when we write to the cached page */
 	if (to <= ((loff_t)chip->pagebuf << chip->page_shift) &&
@@ -2413,13 +2574,15 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 
 	while (1) {
 		int bytes = mtd->writesize;
-		int cached = writelen > bytes && page != blockmask;
 		uint8_t *wbuf = buf;
 		int use_bufpoi;
 		int part_pagewr = (column || writelen < mtd->writesize);
 
 		if (part_pagewr)
 			use_bufpoi = 1;
+		else if (chip->options & NAND_USE_BOUNCE_BUFFER)
+			use_bufpoi = !IS_ALIGNED((unsigned long)buf,
+						 chip->buf_align);
 		else
 			use_bufpoi = 0;
 
@@ -2428,7 +2591,6 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 		if (use_bufpoi) {
 			pr_debug("%s: using write bounce buffer for buf@%p\n",
 					 __func__, buf);
-			cached = 0;
 			if (part_pagewr)
 				bytes = min_t(int, bytes - column, writelen);
 			chip->pagebuf = -1;
@@ -2446,7 +2608,7 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 			memset(chip->oob_poi, 0xff, mtd->oobsize);
 		}
 		ret = chip->write_page(mtd, chip, column, bytes, wbuf,
-					oob_required, page, cached,
+					oob_required, page,
 					(ops->mode == MTD_OPS_RAW));
 		if (ret)
 			break;
@@ -2582,10 +2744,6 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
 	}
 
 	chipnr = (int)(to >> chip->chip_shift);
-	chip->select_chip(mtd, chipnr);
-
-	/* Shift to get page */
-	page = (int)(to >> chip->page_shift);
 
 	/*
 	 * Reset the chip. Some chips (like the Toshiba TC5832DC found in one
@@ -2593,7 +2751,12 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
 	 * if we don't do this. I have no clue why, but I seem to have 'fixed'
 	 * it in the doc2000 driver in August 1999.  dwmw2.
 	 */
-	chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+	nand_reset(chip, chipnr);
+
+	chip->select_chip(mtd, chipnr);
+
+	/* Shift to get page */
+	page = (int)(to >> chip->page_shift);
 
 	/* Check, if it is write protected */
 	if (nand_check_wp(mtd)) {
@@ -2763,14 +2926,6 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
 
 		status = chip->erase(mtd, page & chip->pagemask);
 
-		/*
-		 * See if operation failed and additional status checks are
-		 * available
-		 */
-		if ((status & NAND_STATUS_FAIL) && (chip->errstat))
-			status = chip->errstat(mtd, chip, FL_ERASING,
-					       status, page);
-
 		/* See if block erase succeeded */
 		if (status & NAND_STATUS_FAIL) {
 			pr_debug("%s: failed erase, page 0x%08x\n",
@@ -2972,6 +3127,8 @@ static void nand_set_defaults(struct nand_chip *chip, int busw)
 		init_waitqueue_head(&chip->controller->wq);
 	}
 
+	if (!chip->buf_align)
+		chip->buf_align = 1;
 }
 
 /* Sanitize ONFI strings so we can safely print them */
@@ -3607,14 +3764,14 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 	int i, maf_idx;
 	u8 id_data[8];
 
-	/* Select the device */
-	chip->select_chip(mtd, 0);
-
 	/*
 	 * Reset the chip, required by some chips (e.g. Micron MT29FxGxxxxx)
 	 * after power-up.
 	 */
-	chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+	nand_reset(chip, 0);
+
+	/* Select the device */
+	chip->select_chip(mtd, 0);
 
 	/* Send the command for reading device ID */
 	chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
@@ -3730,6 +3887,9 @@ ident_done:
 		chip->chip_shift += 32 - 1;
 	}
 
+	if (chip->chip_shift - chip->page_shift > 16)
+		chip->options |= NAND_ROW_ADDR_3;
+
 	chip->badblockbits = 8;
 	chip->erase = single_erase;
 
@@ -3819,6 +3979,9 @@ static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip, int node)
 	if (ecc_step > 0)
 		chip->ecc.size = ecc_step;
 
+	if (fdt_getprop(blob, node, "nand-ecc-maximize", NULL))
+		chip->ecc.options |= NAND_ECC_MAXIMIZE;
+
 	return 0;
 }
 #else
@@ -3866,13 +4029,31 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips,
 		return PTR_ERR(type);
 	}
 
+	/* Initialize the ->data_interface field. */
+	ret = nand_init_data_interface(chip);
+	if (ret)
+		return ret;
+
+	/*
+	 * Setup the data interface correctly on the chip and controller side.
+	 * This explicit call to nand_setup_data_interface() is only required
+	 * for the first die, because nand_reset() has been called before
+	 * ->data_interface and ->default_onfi_timing_mode were set.
+	 * For the other dies, nand_reset() will automatically switch to the
+	 * best mode for us.
+	 */
+	ret = nand_setup_data_interface(chip, 0);
+	if (ret)
+		return ret;
+
 	chip->select_chip(mtd, -1);
 
 	/* Check for a chip array */
 	for (i = 1; i < maxchips; i++) {
-		chip->select_chip(mtd, i);
 		/* See comment in nand_get_flash_type for reset */
-		chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+		nand_reset(chip, i);
+
+		chip->select_chip(mtd, i);
 		/* Send the command for reading device ID */
 		chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
 		/* Read manufacturer and device IDs */
@@ -3897,6 +4078,226 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips,
 }
 EXPORT_SYMBOL(nand_scan_ident);
 
+/**
+ * nand_check_ecc_caps - check the sanity of preset ECC settings
+ * @chip: nand chip info structure
+ * @caps: ECC caps info structure
+ * @oobavail: OOB size that the ECC engine can use
+ *
+ * When ECC step size and strength are already set, check if they are supported
+ * by the controller and the calculated ECC bytes fit within the chip's OOB.
+ * On success, the calculated ECC bytes is set.
+ */
+int nand_check_ecc_caps(struct nand_chip *chip,
+			const struct nand_ecc_caps *caps, int oobavail)
+{
+	struct mtd_info *mtd = nand_to_mtd(chip);
+	const struct nand_ecc_step_info *stepinfo;
+	int preset_step = chip->ecc.size;
+	int preset_strength = chip->ecc.strength;
+	int nsteps, ecc_bytes;
+	int i, j;
+
+	if (WARN_ON(oobavail < 0))
+		return -EINVAL;
+
+	if (!preset_step || !preset_strength)
+		return -ENODATA;
+
+	nsteps = mtd->writesize / preset_step;
+
+	for (i = 0; i < caps->nstepinfos; i++) {
+		stepinfo = &caps->stepinfos[i];
+
+		if (stepinfo->stepsize != preset_step)
+			continue;
+
+		for (j = 0; j < stepinfo->nstrengths; j++) {
+			if (stepinfo->strengths[j] != preset_strength)
+				continue;
+
+			ecc_bytes = caps->calc_ecc_bytes(preset_step,
+							 preset_strength);
+			if (WARN_ON_ONCE(ecc_bytes < 0))
+				return ecc_bytes;
+
+			if (ecc_bytes * nsteps > oobavail) {
+				pr_err("ECC (step, strength) = (%d, %d) does not fit in OOB",
+				       preset_step, preset_strength);
+				return -ENOSPC;
+			}
+
+			chip->ecc.bytes = ecc_bytes;
+
+			return 0;
+		}
+	}
+
+	pr_err("ECC (step, strength) = (%d, %d) not supported on this controller",
+	       preset_step, preset_strength);
+
+	return -ENOTSUPP;
+}
+EXPORT_SYMBOL_GPL(nand_check_ecc_caps);
+
+/**
+ * nand_match_ecc_req - meet the chip's requirement with least ECC bytes
+ * @chip: nand chip info structure
+ * @caps: ECC engine caps info structure
+ * @oobavail: OOB size that the ECC engine can use
+ *
+ * If a chip's ECC requirement is provided, try to meet it with the least
+ * number of ECC bytes (i.e. with the largest number of OOB-free bytes).
+ * On success, the chosen ECC settings are set.
+ */
+int nand_match_ecc_req(struct nand_chip *chip,
+		       const struct nand_ecc_caps *caps, int oobavail)
+{
+	struct mtd_info *mtd = nand_to_mtd(chip);
+	const struct nand_ecc_step_info *stepinfo;
+	int req_step = chip->ecc_step_ds;
+	int req_strength = chip->ecc_strength_ds;
+	int req_corr, step_size, strength, nsteps, ecc_bytes, ecc_bytes_total;
+	int best_step, best_strength, best_ecc_bytes;
+	int best_ecc_bytes_total = INT_MAX;
+	int i, j;
+
+	if (WARN_ON(oobavail < 0))
+		return -EINVAL;
+
+	/* No information provided by the NAND chip */
+	if (!req_step || !req_strength)
+		return -ENOTSUPP;
+
+	/* number of correctable bits the chip requires in a page */
+	req_corr = mtd->writesize / req_step * req_strength;
+
+	for (i = 0; i < caps->nstepinfos; i++) {
+		stepinfo = &caps->stepinfos[i];
+		step_size = stepinfo->stepsize;
+
+		for (j = 0; j < stepinfo->nstrengths; j++) {
+			strength = stepinfo->strengths[j];
+
+			/*
+			 * If both step size and strength are smaller than the
+			 * chip's requirement, it is not easy to compare the
+			 * resulted reliability.
+			 */
+			if (step_size < req_step && strength < req_strength)
+				continue;
+
+			if (mtd->writesize % step_size)
+				continue;
+
+			nsteps = mtd->writesize / step_size;
+
+			ecc_bytes = caps->calc_ecc_bytes(step_size, strength);
+			if (WARN_ON_ONCE(ecc_bytes < 0))
+				continue;
+			ecc_bytes_total = ecc_bytes * nsteps;
+
+			if (ecc_bytes_total > oobavail ||
+			    strength * nsteps < req_corr)
+				continue;
+
+			/*
+			 * We assume the best is to meet the chip's requrement
+			 * with the least number of ECC bytes.
+			 */
+			if (ecc_bytes_total < best_ecc_bytes_total) {
+				best_ecc_bytes_total = ecc_bytes_total;
+				best_step = step_size;
+				best_strength = strength;
+				best_ecc_bytes = ecc_bytes;
+			}
+		}
+	}
+
+	if (best_ecc_bytes_total == INT_MAX)
+		return -ENOTSUPP;
+
+	chip->ecc.size = best_step;
+	chip->ecc.strength = best_strength;
+	chip->ecc.bytes = best_ecc_bytes;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(nand_match_ecc_req);
+
+/**
+ * nand_maximize_ecc - choose the max ECC strength available
+ * @chip: nand chip info structure
+ * @caps: ECC engine caps info structure
+ * @oobavail: OOB size that the ECC engine can use
+ *
+ * Choose the max ECC strength that is supported on the controller, and can fit
+ * within the chip's OOB.  On success, the chosen ECC settings are set.
+ */
+int nand_maximize_ecc(struct nand_chip *chip,
+		      const struct nand_ecc_caps *caps, int oobavail)
+{
+	struct mtd_info *mtd = nand_to_mtd(chip);
+	const struct nand_ecc_step_info *stepinfo;
+	int step_size, strength, nsteps, ecc_bytes, corr;
+	int best_corr = 0;
+	int best_step = 0;
+	int best_strength, best_ecc_bytes;
+	int i, j;
+
+	if (WARN_ON(oobavail < 0))
+		return -EINVAL;
+
+	for (i = 0; i < caps->nstepinfos; i++) {
+		stepinfo = &caps->stepinfos[i];
+		step_size = stepinfo->stepsize;
+
+		/* If chip->ecc.size is already set, respect it */
+		if (chip->ecc.size && step_size != chip->ecc.size)
+			continue;
+
+		for (j = 0; j < stepinfo->nstrengths; j++) {
+			strength = stepinfo->strengths[j];
+
+			if (mtd->writesize % step_size)
+				continue;
+
+			nsteps = mtd->writesize / step_size;
+
+			ecc_bytes = caps->calc_ecc_bytes(step_size, strength);
+			if (WARN_ON_ONCE(ecc_bytes < 0))
+				continue;
+
+			if (ecc_bytes * nsteps > oobavail)
+				continue;
+
+			corr = strength * nsteps;
+
+			/*
+			 * If the number of correctable bits is the same,
+			 * bigger step_size has more reliability.
+			 */
+			if (corr > best_corr ||
+			    (corr == best_corr && step_size > best_step)) {
+				best_corr = corr;
+				best_step = step_size;
+				best_strength = strength;
+				best_ecc_bytes = ecc_bytes;
+			}
+		}
+	}
+
+	if (!best_corr)
+		return -ENOTSUPP;
+
+	chip->ecc.size = best_step;
+	chip->ecc.strength = best_strength;
+	chip->ecc.bytes = best_ecc_bytes;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(nand_maximize_ecc);
+
 /*
  * Check if the chip configuration meet the datasheet requirements.
 
@@ -3931,6 +4332,26 @@ static bool nand_ecc_strength_good(struct mtd_info *mtd)
 	return corr >= ds_corr && ecc->strength >= chip->ecc_strength_ds;
 }
 
+static bool invalid_ecc_page_accessors(struct nand_chip *chip)
+{
+	struct nand_ecc_ctrl *ecc = &chip->ecc;
+
+	if (nand_standard_page_accessors(ecc))
+		return false;
+
+	/*
+	 * NAND_ECC_CUSTOM_PAGE_ACCESS flag is set, make sure the NAND
+	 * controller driver implements all the page accessors because
+	 * default helpers are not suitable when the core does not
+	 * send the READ0/PAGEPROG commands.
+	 */
+	return (!ecc->read_page || !ecc->write_page ||
+		!ecc->read_page_raw || !ecc->write_page_raw ||
+		(NAND_HAS_SUBPAGE_READ(chip) && !ecc->read_subpage) ||
+		(NAND_HAS_SUBPAGE_WRITE(chip) && !ecc->write_subpage &&
+		 ecc->hwctl && ecc->calculate));
+}
+
 /**
  * nand_scan_tail - [NAND Interface] Scan for the NAND device
  * @mtd: MTD device structure
@@ -3950,6 +4371,11 @@ int nand_scan_tail(struct mtd_info *mtd)
 	BUG_ON((chip->bbt_options & NAND_BBT_NO_OOB_BBM) &&
 			!(chip->bbt_options & NAND_BBT_USE_FLASH));
 
+	if (invalid_ecc_page_accessors(chip)) {
+		pr_err("Invalid ECC page accessors setup\n");
+		return -EINVAL;
+	}
+
 	if (!(chip->options & NAND_OWN_BUFFERS)) {
 		nbuf = kzalloc(sizeof(struct nand_buffers), GFP_KERNEL);
 		chip->buffers = nbuf;

drivers/mtd/nand/nand_timings.c

@@ -12,10 +12,14 @@
 #include <linux/kernel.h>
 #include <linux/mtd/nand.h>
 
-static const struct nand_sdr_timings onfi_sdr_timings[] = {
+static const struct nand_data_interface onfi_sdr_timings[] = {
 	/* Mode 0 */
 	{
-		.tADL_min = 200000,
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
+			.tCCS_min = 500000,
+			.tR_max = 200000000,
+			.tADL_min = 400000,
 			.tALH_min = 20000,
 			.tALS_min = 50000,
 			.tAR_min = 25000,
@@ -41,18 +45,23 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tRHZ_max = 200000,
 			.tRLOH_min = 0,
 			.tRP_min = 50000,
+			.tRR_min = 40000,
 			.tRST_max = 250000000000ULL,
 			.tWB_max = 200000,
-		.tRR_min = 40000,
 			.tWC_min = 100000,
 			.tWH_min = 30000,
 			.tWHR_min = 120000,
 			.tWP_min = 50000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 1 */
 	{
-		.tADL_min = 100000,
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
+			.tCCS_min = 500000,
+			.tR_max = 200000000,
+			.tADL_min = 400000,
 			.tALH_min = 10000,
 			.tALS_min = 25000,
 			.tAR_min = 10000,
@@ -87,9 +96,14 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 25000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 2 */
 	{
-		.tADL_min = 100000,
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
+			.tCCS_min = 500000,
+			.tR_max = 200000000,
+			.tADL_min = 400000,
 			.tALH_min = 10000,
 			.tALS_min = 15000,
 			.tAR_min = 10000,
@@ -124,9 +138,14 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 17000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 3 */
 	{
-		.tADL_min = 100000,
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
+			.tCCS_min = 500000,
+			.tR_max = 200000000,
+			.tADL_min = 400000,
 			.tALH_min = 5000,
 			.tALS_min = 10000,
 			.tAR_min = 10000,
@@ -161,9 +180,14 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 15000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 4 */
 	{
-		.tADL_min = 70000,
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
+			.tCCS_min = 500000,
+			.tR_max = 200000000,
+			.tADL_min = 400000,
 			.tALH_min = 5000,
 			.tALS_min = 10000,
 			.tAR_min = 10000,
@@ -198,9 +222,14 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 12000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 5 */
 	{
-		.tADL_min = 70000,
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
+			.tCCS_min = 500000,
+			.tR_max = 200000000,
+			.tADL_min = 400000,
 			.tALH_min = 5000,
 			.tALS_min = 10000,
 			.tAR_min = 10000,
@@ -235,6 +264,7 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 10000,
 			.tWW_min = 100000,
 		},
+	},
 };
 
 /**
@@ -247,6 +277,58 @@ const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode)
 	if (mode < 0 || mode >= ARRAY_SIZE(onfi_sdr_timings))
 		return ERR_PTR(-EINVAL);
 
-	return &onfi_sdr_timings[mode];
+	return &onfi_sdr_timings[mode].timings.sdr;
 }
 EXPORT_SYMBOL(onfi_async_timing_mode_to_sdr_timings);
+
+/**
+ * onfi_init_data_interface - [NAND Interface] Initialize a data interface from
+ * given ONFI mode
+ * @iface: The data interface to be initialized
+ * @mode: The ONFI timing mode
+ */
+int onfi_init_data_interface(struct nand_chip *chip,
+			     struct nand_data_interface *iface,
+			     enum nand_data_interface_type type,
+			     int timing_mode)
+{
+	if (type != NAND_SDR_IFACE)
+		return -EINVAL;
+
+	if (timing_mode < 0 || timing_mode >= ARRAY_SIZE(onfi_sdr_timings))
+		return -EINVAL;
+
+	*iface = onfi_sdr_timings[timing_mode];
+
+	/*
+	 * Initialize timings that cannot be deduced from timing mode:
+	 * tR, tPROG, tCCS, ...
+	 * These information are part of the ONFI parameter page.
+	 */
+	if (chip->onfi_version) {
+		struct nand_onfi_params *params = &chip->onfi_params;
+		struct nand_sdr_timings *timings = &iface->timings.sdr;
+
+		/* microseconds -> picoseconds */
+		timings->tPROG_max = 1000000ULL * le16_to_cpu(params->t_prog);
+		timings->tBERS_max = 1000000ULL * le16_to_cpu(params->t_bers);
+		timings->tR_max = 1000000ULL * le16_to_cpu(params->t_r);
+
+		/* nanoseconds -> picoseconds */
+		timings->tCCS_min = 1000UL * le16_to_cpu(params->t_ccs);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(onfi_init_data_interface);
+
+/**
+ * nand_get_default_data_interface - [NAND Interface] Retrieve NAND
+ * data interface for mode 0. This is used as default timing after
+ * reset.
+ */
+const struct nand_data_interface *nand_get_default_data_interface(void)
+{
+	return &onfi_sdr_timings[0];
+}
+EXPORT_SYMBOL(nand_get_default_data_interface);

include/configs/uniphier.h

@@ -71,13 +71,8 @@
 
 #define CONFIG_SYS_MAX_NAND_DEVICE			1
 #define CONFIG_SYS_NAND_ONFI_DETECTION
-
-#define CONFIG_NAND_DENALI_ECC_SIZE			1024
-
 #define CONFIG_SYS_NAND_REGS_BASE			0x68100000
 #define CONFIG_SYS_NAND_DATA_BASE			0x68000000
-
-#define CONFIG_SYS_NAND_USE_FLASH_BBT
 #define CONFIG_SYS_NAND_BAD_BLOCK_POS			0
 
 /* SD/MMC */

include/dt-bindings/gpio/uniphier-gpio.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2017 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ */
+
+#ifndef _DT_BINDINGS_GPIO_UNIPHIER_H
+#define _DT_BINDINGS_GPIO_UNIPHIER_H
+
+#define UNIPHIER_GPIO_LINES_PER_BANK	8
+
+#define UNIPHIER_GPIO_IRQ_OFFSET	((UNIPHIER_GPIO_LINES_PER_BANK) * 15)
+
+#define UNIPHIER_GPIO_PORT(bank, line)	\
+			((UNIPHIER_GPIO_LINES_PER_BANK) * (bank) + (line))
+
+#define UNIPHIER_GPIO_IRQ(n)		((UNIPHIER_GPIO_IRQ_OFFSET) + (n))
+
+#endif /* _DT_BINDINGS_GPIO_UNIPHIER_H */

include/linux/bitops.h

@@ -5,9 +5,16 @@
 #include <asm-generic/bitsperlong.h>
 #include <linux/compiler.h>
 
+#ifdef	__KERNEL__
 #define BIT(nr)			(1UL << (nr))
+#define BIT_ULL(nr)		(1ULL << (nr))
 #define BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_LONG))
 #define BIT_WORD(nr)		((nr) / BITS_PER_LONG)
+#define BIT_ULL_MASK(nr)	(1ULL << ((nr) % BITS_PER_LONG_LONG))
+#define BIT_ULL_WORD(nr)	((nr) / BITS_PER_LONG_LONG)
+#define BITS_PER_BYTE		8
+#define BITS_TO_LONGS(nr)	DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
+#endif
 
 /*
  * Create a contiguous bitmask starting at bit position @l and ending at

include/linux/mtd/mtd.h

@@ -103,6 +103,36 @@ struct mtd_oob_ops {
 #else
 #define MTD_MAX_ECCPOS_ENTRIES_LARGE	680
 #endif
+/**
+ * struct mtd_oob_region - oob region definition
+ * @offset: region offset
+ * @length: region length
+ *
+ * This structure describes a region of the OOB area, and is used
+ * to retrieve ECC or free bytes sections.
+ * Each section is defined by an offset within the OOB area and a
+ * length.
+ */
+struct mtd_oob_region {
+	u32 offset;
+	u32 length;
+};
+
+/*
+ * struct mtd_ooblayout_ops - NAND OOB layout operations
+ * @ecc: function returning an ECC region in the OOB area.
+ *	 Should return -ERANGE if %section exceeds the total number of
+ *	 ECC sections.
+ * @free: function returning a free region in the OOB area.
+ *	  Should return -ERANGE if %section exceeds the total number of
+ *	  free sections.
+ */
+struct mtd_ooblayout_ops {
+	int (*ecc)(struct mtd_info *mtd, int section,
+		   struct mtd_oob_region *oobecc);
+	int (*free)(struct mtd_info *mtd, int section,
+		    struct mtd_oob_region *oobfree);
+};
 
 /*
  * Internal ECC layout control structure. For historical reasons, there is a
@@ -179,6 +209,9 @@ struct mtd_info {
 #endif
 	int index;
 
+	/* OOB layout description */
+	const struct mtd_ooblayout_ops *ooblayout;
+
 	/* ECC layout structure pointer - read only! */
 	struct nand_ecclayout *ecclayout;
 
@@ -278,6 +311,30 @@ struct mtd_info {
 	int usecount;
 };
 
+int mtd_ooblayout_ecc(struct mtd_info *mtd, int section,
+		      struct mtd_oob_region *oobecc);
+int mtd_ooblayout_find_eccregion(struct mtd_info *mtd, int eccbyte,
+				 int *section,
+				 struct mtd_oob_region *oobregion);
+int mtd_ooblayout_get_eccbytes(struct mtd_info *mtd, u8 *eccbuf,
+			       const u8 *oobbuf, int start, int nbytes);
+int mtd_ooblayout_set_eccbytes(struct mtd_info *mtd, const u8 *eccbuf,
+			       u8 *oobbuf, int start, int nbytes);
+int mtd_ooblayout_free(struct mtd_info *mtd, int section,
+		       struct mtd_oob_region *oobfree);
+int mtd_ooblayout_get_databytes(struct mtd_info *mtd, u8 *databuf,
+				const u8 *oobbuf, int start, int nbytes);
+int mtd_ooblayout_set_databytes(struct mtd_info *mtd, const u8 *databuf,
+				u8 *oobbuf, int start, int nbytes);
+int mtd_ooblayout_count_freebytes(struct mtd_info *mtd);
+int mtd_ooblayout_count_eccbytes(struct mtd_info *mtd);
+
+static inline void mtd_set_ooblayout(struct mtd_info *mtd,
+				     const struct mtd_ooblayout_ops *ooblayout)
+{
+	mtd->ooblayout = ooblayout;
+}
+
 static inline int mtd_oobavail(struct mtd_info *mtd, struct mtd_oob_ops *ops)
 {
 	return ops->mode == MTD_OPS_AUTO_OOB ? mtd->oobavail : mtd->oobsize;

include/linux/mtd/nand.h

@@ -28,20 +28,20 @@ struct nand_flash_dev;
 struct device_node;
 
 /* Scan and identify a NAND device */
-extern int nand_scan(struct mtd_info *mtd, int max_chips);
+int nand_scan(struct mtd_info *mtd, int max_chips);
 /*
  * Separate phases of nand_scan(), allowing board driver to intervene
  * and override command or ECC setup according to flash type.
  */
-extern int nand_scan_ident(struct mtd_info *mtd, int max_chips,
+int nand_scan_ident(struct mtd_info *mtd, int max_chips,
 			   struct nand_flash_dev *table);
-extern int nand_scan_tail(struct mtd_info *mtd);
+int nand_scan_tail(struct mtd_info *mtd);
 
 /* Free resources held by the NAND device */
-extern void nand_release(struct mtd_info *mtd);
+void nand_release(struct mtd_info *mtd);
 
 /* Internal helper for board drivers which need to override command function */
-extern void nand_wait_ready(struct mtd_info *mtd);
+void nand_wait_ready(struct mtd_info *mtd);
 
 /*
  * This constant declares the max. oobsize / page, which
@@ -124,6 +124,8 @@ extern void nand_wait_ready(struct mtd_info *mtd);
 #define NAND_STATUS_READY	0x40
 #define NAND_STATUS_WP		0x80
 
+#define NAND_DATA_IFACE_CHECK_ONLY	-1
+
 /*
  * Constants for ECC_MODES
  */
@@ -153,6 +155,13 @@ typedef enum {
  * pages and you want to rely on the default implementation.
  */
 #define NAND_ECC_GENERIC_ERASED_CHECK	BIT(0)
+#define NAND_ECC_MAXIMIZE		BIT(1)
+/*
+ * If your controller already sends the required NAND commands when
+ * reading or writing a page, then the framework is not supposed to
+ * send READ0 and SEQIN/PAGEPROG respectively.
+ */
+#define NAND_ECC_CUSTOM_PAGE_ACCESS	BIT(2)
 
 /* Bit mask for flags passed to do_nand_read_ecc */
 #define NAND_GET_DEVICE		0x80
@@ -195,12 +204,16 @@ typedef enum {
  */
 #define NAND_NEED_SCRAMBLING	0x00002000
 
+/* Device needs 3rd row address cycle */
+#define NAND_ROW_ADDR_3		0x00004000
+
 /* Options valid for Samsung large page devices */
 #define NAND_SAMSUNG_LP_OPTIONS NAND_CACHEPRG
 
 /* Macros to identify the above */
 #define NAND_HAS_CACHEPROG(chip) ((chip->options & NAND_CACHEPRG))
 #define NAND_HAS_SUBPAGE_READ(chip) ((chip->options & NAND_SUBPAGE_READ))
+#define NAND_HAS_SUBPAGE_WRITE(chip) !((chip)->options & NAND_NO_SUBPAGE_WRITE)
 
 /* Non chip related options */
 /* This option skips the bbt scan during initialization. */
@@ -477,6 +490,44 @@ struct nand_hw_control {
 	struct nand_chip *active;
 };
 
+/**
+ * struct nand_ecc_step_info - ECC step information of ECC engine
+ * @stepsize: data bytes per ECC step
+ * @strengths: array of supported strengths
+ * @nstrengths: number of supported strengths
+ */
+struct nand_ecc_step_info {
+	int stepsize;
+	const int *strengths;
+	int nstrengths;
+};
+
+/**
+ * struct nand_ecc_caps - capability of ECC engine
+ * @stepinfos: array of ECC step information
+ * @nstepinfos: number of ECC step information
+ * @calc_ecc_bytes: driver's hook to calculate ECC bytes per step
+ */
+struct nand_ecc_caps {
+	const struct nand_ecc_step_info *stepinfos;
+	int nstepinfos;
+	int (*calc_ecc_bytes)(int step_size, int strength);
+};
+
+/* a shorthand to generate struct nand_ecc_caps with only one ECC stepsize */
+#define NAND_ECC_CAPS_SINGLE(__name, __calc, __step, ...)	\
+static const int __name##_strengths[] = { __VA_ARGS__ };	\
+static const struct nand_ecc_step_info __name##_stepinfo = {	\
+	.stepsize = __step,					\
+	.strengths = __name##_strengths,			\
+	.nstrengths = ARRAY_SIZE(__name##_strengths),		\
+};								\
+static const struct nand_ecc_caps __name = {			\
+	.stepinfos = &__name##_stepinfo,			\
+	.nstepinfos = 1,					\
+	.calc_ecc_bytes = __calc,				\
+}
+
 /**
  * struct nand_ecc_ctrl - Control structure for ECC
  * @mode:	ECC mode
@@ -567,6 +618,11 @@ struct nand_ecc_ctrl {
 			int page);
 };
 
+static inline int nand_standard_page_accessors(struct nand_ecc_ctrl *ecc)
+{
+	return !(ecc->options & NAND_ECC_CUSTOM_PAGE_ACCESS);
+}
+
 /**
  * struct nand_buffers - buffer structure for read/write
  * @ecccalc:	buffer pointer for calculated ECC, size is oobsize.
@@ -583,6 +639,131 @@ struct nand_buffers {
 			      ARCH_DMA_MINALIGN)];
 };
 
+/**
+ * struct nand_sdr_timings - SDR NAND chip timings
+ *
+ * This struct defines the timing requirements of a SDR NAND chip.
+ * These information can be found in every NAND datasheets and the timings
+ * meaning are described in the ONFI specifications:
+ * www.onfi.org/~/media/ONFI/specs/onfi_3_1_spec.pdf (chapter 4.15 Timing
+ * Parameters)
+ *
+ * All these timings are expressed in picoseconds.
+ *
+ * @tBERS_max: Block erase time
+ * @tCCS_min: Change column setup time
+ * @tPROG_max: Page program time
+ * @tR_max: Page read time
+ * @tALH_min: ALE hold time
+ * @tADL_min: ALE to data loading time
+ * @tALS_min: ALE setup time
+ * @tAR_min: ALE to RE# delay
+ * @tCEA_max: CE# access time
+ * @tCEH_min: CE# high hold time
+ * @tCH_min:  CE# hold time
+ * @tCHZ_max: CE# high to output hi-Z
+ * @tCLH_min: CLE hold time
+ * @tCLR_min: CLE to RE# delay
+ * @tCLS_min: CLE setup time
+ * @tCOH_min: CE# high to output hold
+ * @tCS_min: CE# setup time
+ * @tDH_min: Data hold time
+ * @tDS_min: Data setup time
+ * @tFEAT_max: Busy time for Set Features and Get Features
+ * @tIR_min: Output hi-Z to RE# low
+ * @tITC_max: Interface and Timing Mode Change time
+ * @tRC_min: RE# cycle time
+ * @tREA_max: RE# access time
+ * @tREH_min: RE# high hold time
+ * @tRHOH_min: RE# high to output hold
+ * @tRHW_min: RE# high to WE# low
+ * @tRHZ_max: RE# high to output hi-Z
+ * @tRLOH_min: RE# low to output hold
+ * @tRP_min: RE# pulse width
+ * @tRR_min: Ready to RE# low (data only)
+ * @tRST_max: Device reset time, measured from the falling edge of R/B# to the
+ *	      rising edge of R/B#.
+ * @tWB_max: WE# high to SR[6] low
+ * @tWC_min: WE# cycle time
+ * @tWH_min: WE# high hold time
+ * @tWHR_min: WE# high to RE# low
+ * @tWP_min: WE# pulse width
+ * @tWW_min: WP# transition to WE# low
+ */
+struct nand_sdr_timings {
+	u64 tBERS_max;
+	u32 tCCS_min;
+	u64 tPROG_max;
+	u64 tR_max;
+	u32 tALH_min;
+	u32 tADL_min;
+	u32 tALS_min;
+	u32 tAR_min;
+	u32 tCEA_max;
+	u32 tCEH_min;
+	u32 tCH_min;
+	u32 tCHZ_max;
+	u32 tCLH_min;
+	u32 tCLR_min;
+	u32 tCLS_min;
+	u32 tCOH_min;
+	u32 tCS_min;
+	u32 tDH_min;
+	u32 tDS_min;
+	u32 tFEAT_max;
+	u32 tIR_min;
+	u32 tITC_max;
+	u32 tRC_min;
+	u32 tREA_max;
+	u32 tREH_min;
+	u32 tRHOH_min;
+	u32 tRHW_min;
+	u32 tRHZ_max;
+	u32 tRLOH_min;
+	u32 tRP_min;
+	u32 tRR_min;
+	u64 tRST_max;
+	u32 tWB_max;
+	u32 tWC_min;
+	u32 tWH_min;
+	u32 tWHR_min;
+	u32 tWP_min;
+	u32 tWW_min;
+};
+
+/**
+ * enum nand_data_interface_type - NAND interface timing type
+ * @NAND_SDR_IFACE:	Single Data Rate interface
+ */
+enum nand_data_interface_type {
+	NAND_SDR_IFACE,
+};
+
+/**
+ * struct nand_data_interface - NAND interface timing
+ * @type:	type of the timing
+ * @timings:	The timing, type according to @type
+ */
+struct nand_data_interface {
+	enum nand_data_interface_type type;
+	union {
+		struct nand_sdr_timings sdr;
+	} timings;
+};
+
+/**
+ * nand_get_sdr_timings - get SDR timing from data interface
+ * @conf:	The data interface
+ */
+static inline const struct nand_sdr_timings *
+nand_get_sdr_timings(const struct nand_data_interface *conf)
+{
+	if (conf->type != NAND_SDR_IFACE)
+		return ERR_PTR(-EINVAL);
+
+	return &conf->timings.sdr;
+}
+
 /**
  * struct nand_chip - NAND Private Flash Chip Data
  * @mtd:		MTD device registered to the MTD framework
@@ -614,6 +795,7 @@ struct nand_buffers {
  *			setting the read-retry mode. Mostly needed for MLC NAND.
  * @ecc:		[BOARDSPECIFIC] ECC control structure
  * @buffers:		buffer structure for read/write
+ * @buf_align:		minimum buffer alignment required by a platform
  * @hwcontrol:		platform-specific hardware control structure
  * @erase:		[REPLACEABLE] erase function
  * @scan_bbt:		[REPLACEABLE] function to scan bad block table
@@ -646,10 +828,9 @@ struct nand_buffers {
  *                      also from the datasheet. It is the recommended ECC step
  *			size, if known; if unknown, set to zero.
  * @onfi_timing_mode_default: [INTERN] default ONFI timing mode. This field is
- *			      either deduced from the datasheet if the NAND
+ *			      set to the actually used ONFI mode if the chip is
- *			      chip is not ONFI compliant or set to 0 if it is
+ *			      ONFI compliant or deduced from the datasheet if
- *			      (an ONFI chip is always configured in mode 0
+ *			      the NAND chip is not ONFI compliant.
- *			      after a NAND reset)
  * @numchips:		[INTERN] number of physical chips
  * @chipsize:		[INTERN] the size of one chip for multichip arrays
  * @pagemask:		[INTERN] page number mask = number of (pages / chip) - 1
@@ -669,6 +850,10 @@ struct nand_buffers {
  * @read_retries:	[INTERN] the number of read retry modes supported
  * @onfi_set_features:	[REPLACEABLE] set the features for ONFI nand
  * @onfi_get_features:	[REPLACEABLE] get the features for ONFI nand
+ * @setup_data_interface: [OPTIONAL] setup the data interface and timing. If
+ *			  chipnr is set to %NAND_DATA_IFACE_CHECK_ONLY this
+ *			  means the configuration should not be applied but
+ *			  only checked.
  * @bbt:		[INTERN] bad block table pointer
  * @bbt_td:		[REPLACEABLE] bad block table descriptor for flash
  *			lookup.
@@ -679,9 +864,6 @@ struct nand_buffers {
  *			structure which is shared among multiple independent
  *			devices.
  * @priv:		[OPTIONAL] pointer to private chip data
- * @errstat:		[OPTIONAL] hardware specific function to perform
- *			additional error status checks (determine if errors are
- *			correctable).
  * @write_page:		[REPLACEABLE] High-level page write function
  */
 
@@ -707,16 +889,17 @@ struct nand_chip {
 	int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this);
 	int (*erase)(struct mtd_info *mtd, int page);
 	int (*scan_bbt)(struct mtd_info *mtd);
-	int (*errstat)(struct mtd_info *mtd, struct nand_chip *this, int state,
-			int status, int page);
 	int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
 			uint32_t offset, int data_len, const uint8_t *buf,
-			int oob_required, int page, int cached, int raw);
+			int oob_required, int page, int raw);
 	int (*onfi_set_features)(struct mtd_info *mtd, struct nand_chip *chip,
 			int feature_addr, uint8_t *subfeature_para);
 	int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip,
 			int feature_addr, uint8_t *subfeature_para);
 	int (*setup_read_retry)(struct mtd_info *mtd, int retry_mode);
+	int (*setup_data_interface)(struct mtd_info *mtd, int chipnr,
+				    const struct nand_data_interface *conf);
+
 
 	int chip_delay;
 	unsigned int options;
@@ -741,11 +924,11 @@ struct nand_chip {
 
 	int onfi_version;
 	int jedec_version;
-#ifdef CONFIG_SYS_NAND_ONFI_DETECTION
 	struct nand_onfi_params	onfi_params;
-#endif
 	struct nand_jedec_params jedec_params;
  
+	struct nand_data_interface *data_interface;
+
 	int read_retries;
 
 	flstate_t state;
@@ -756,6 +939,7 @@ struct nand_chip {
 
 	struct nand_ecc_ctrl ecc;
 	struct nand_buffers *buffers;
+	unsigned long buf_align;
 	struct nand_hw_control hwcontrol;
 
 	uint8_t *bbt;
@@ -900,13 +1084,13 @@ struct nand_manufacturers {
 extern struct nand_flash_dev nand_flash_ids[];
 extern struct nand_manufacturers nand_manuf_ids[];
 
-extern int nand_default_bbt(struct mtd_info *mtd);
+int nand_default_bbt(struct mtd_info *mtd);
-extern int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs);
+int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs);
-extern int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs);
+int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs);
-extern int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt);
+int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt);
-extern int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
+int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
 			   int allowbbt);
-extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
+int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
 			size_t *retlen, uint8_t *buf);
 
 /*
@@ -1001,8 +1185,28 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip)
 		return ONFI_TIMING_MODE_UNKNOWN;
 	return le16_to_cpu(chip->onfi_params.src_sync_timing_mode);
 }
+#else
+static inline int onfi_feature(struct nand_chip *chip)
+{
+	return 0;
+}
+
+static inline int onfi_get_async_timing_mode(struct nand_chip *chip)
+{
+	return ONFI_TIMING_MODE_UNKNOWN;
+}
+
+static inline int onfi_get_sync_timing_mode(struct nand_chip *chip)
+{
+	return ONFI_TIMING_MODE_UNKNOWN;
+}
 #endif
 
+int onfi_init_data_interface(struct nand_chip *chip,
+			     struct nand_data_interface *iface,
+			     enum nand_data_interface_type type,
+			     int timing_mode);
+
 /*
  * Check if it is a SLC nand.
  * The !nand_is_slc() can be used to check the MLC/TLC nand chips.
@@ -1045,60 +1249,26 @@ void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len);
 void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len);
 uint8_t nand_read_byte(struct mtd_info *mtd);
 
-/*
- * struct nand_sdr_timings - SDR NAND chip timings
- *
- * This struct defines the timing requirements of a SDR NAND chip.
- * These informations can be found in every NAND datasheets and the timings
- * meaning are described in the ONFI specifications:
- * www.onfi.org/~/media/ONFI/specs/onfi_3_1_spec.pdf (chapter 4.15 Timing
- * Parameters)
- *
- * All these timings are expressed in picoseconds.
- */
-
-struct nand_sdr_timings {
-	u32 tALH_min;
-	u32 tADL_min;
-	u32 tALS_min;
-	u32 tAR_min;
-	u32 tCEA_max;
-	u32 tCEH_min;
-	u32 tCH_min;
-	u32 tCHZ_max;
-	u32 tCLH_min;
-	u32 tCLR_min;
-	u32 tCLS_min;
-	u32 tCOH_min;
-	u32 tCS_min;
-	u32 tDH_min;
-	u32 tDS_min;
-	u32 tFEAT_max;
-	u32 tIR_min;
-	u32 tITC_max;
-	u32 tRC_min;
-	u32 tREA_max;
-	u32 tREH_min;
-	u32 tRHOH_min;
-	u32 tRHW_min;
-	u32 tRHZ_max;
-	u32 tRLOH_min;
-	u32 tRP_min;
-	u32 tRR_min;
-	u64 tRST_max;
-	u32 tWB_max;
-	u32 tWC_min;
-	u32 tWH_min;
-	u32 tWHR_min;
-	u32 tWP_min;
-	u32 tWW_min;
-};
-
 /* get timing characteristics from ONFI timing mode. */
 const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode);
+/* get data interface from ONFI timing mode 0, used after reset. */
+const struct nand_data_interface *nand_get_default_data_interface(void);
 
 int nand_check_erased_ecc_chunk(void *data, int datalen,
 				void *ecc, int ecclen,
 				void *extraoob, int extraooblen,
 				int threshold);
+
+int nand_check_ecc_caps(struct nand_chip *chip,
+			const struct nand_ecc_caps *caps, int oobavail);
+
+int nand_match_ecc_req(struct nand_chip *chip,
+		       const struct nand_ecc_caps *caps,  int oobavail);
+
+int nand_maximize_ecc(struct nand_chip *chip,
+		      const struct nand_ecc_caps *caps, int oobavail);
+
+/* Reset and initialize a NAND device */
+int nand_reset(struct nand_chip *chip, int chipnr);
+
 #endif /* __LINUX_MTD_NAND_H */

include/usb/lin_gadget_compat.h

@@ -10,12 +10,10 @@
 #ifndef __LIN_COMPAT_H__
 #define __LIN_COMPAT_H__
 
+#include <linux/bitops.h>
 #include <linux/compat.h>
 
 /* common */
-#define BITS_PER_BYTE				8
-#define BITS_TO_LONGS(nr) \
-	DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
 #define DECLARE_BITMAP(name, bits) \
 	unsigned long name[BITS_TO_LONGS(bits)]