Merge tag 'ti-v2021.10-rc1' of https://source.denx.de/u-boot/custodians/u-boot-ti

- Enabled distro boot for all TI platforms.
- Cleanup for AM335x Guardian Board
- PRUSS rproc on AM65 platform.
- Add PMIC support for J7200
- Misc fixes for Nokia RX-51

# Conflicts:
#	arch/arm/mach-omap2/am33xx/Kconfig

MAINTAINERS

@@ -513,6 +513,7 @@ F:	drivers/phy/phy-ti-am654.c
 F:	drivers/phy/ti-pipe3-phy.c
 F:	drivers/ram/k3*
 F:	drivers/remoteproc/k3_system_controller.c
+F:	drivers/remoteproc/pruc_rpoc.c
 F:	drivers/remoteproc/ti*
 F:	drivers/reset/reset-ti-sci.c
 F:	drivers/rtc/davinci.c
@@ -522,6 +523,7 @@ F:	drivers/sysreset/sysreset-ti-sci.c
 F:	drivers/thermal/ti-bandgap.c
 F:	drivers/timer/omap-timer.c
 F:	drivers/watchdog/omap_wdt.c
+F:	include/linux/pruss_driver.h
 F:	include/linux/soc/ti/
 
 ARM U8500

arch/arm/dts/am335x-guardian-u-boot.dtsi

@@ -42,6 +42,17 @@
 	u-boot,dm-pre-reloc;
 };
 
+&spi0 {
+	lcd0: display@0 {
+		compatible = "himax,hx8238d";
+		pinctrl-names = "default";
+		pinctrl-0 = <&lcd0_pins>;
+		reg = <0>;
+		label = "lcd";
+		spi-max-frequency = <100000>;
+	};
+};
+
 &uart0 {
 	u-boot,dm-pre-reloc;
 };

arch/arm/dts/am335x-guardian.dts

@@ -87,7 +87,7 @@
 			ac-bias           = <255>;
 			ac-bias-intrpt    = <0>;
 			dma-burst-sz      = <16>;
-			bpp               = <24>;
+			bpp               = <16>;
 			bus-width         = <16>;
 			fdd               = <0x80>;
 			sync-edge         = <0>;
@@ -247,6 +247,12 @@
 &lcdc {
 	blue-and-red-wiring = "crossed";
 	status = "okay";
+
+	port {
+		lcdc_0: endpoint@0 {
+			remote-endpoint = <0>;
+		};
+	};
 };
 
 &mmc1 {
@@ -401,12 +407,12 @@
 
 	guardian_interface_pins: pinmux_guardian_interface_pins {
 		pinctrl-single,pins = <
-			AM33XX_IOPAD(0x928, PIN_OUTPUT          | MUX_MODE7)
+			AM33XX_IOPAD(0x990, PIN_OUTPUT_PULLUP   | MUX_MODE7)
-			AM33XX_IOPAD(0x990, PIN_OUTPUT          | MUX_MODE7)
 			AM33XX_IOPAD(0x9ac, PIN_OUTPUT_PULLDOWN | MUX_MODE7)
+			AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE7)
 			AM33XX_IOPAD(0x980, PIN_INPUT           | MUX_MODE7)
 			AM33XX_IOPAD(0x984, PIN_INPUT           | MUX_MODE7)
-			AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLUP   | MUX_MODE7)
+			AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP   | MUX_MODE7)
 			AM33XX_IOPAD(0x90c, PIN_OUTPUT_PULLDOWN | MUX_MODE7)
 			AM33XX_IOPAD(0x944, PIN_OUTPUT_PULLDOWN | MUX_MODE7)
 			AM33XX_IOPAD(0x91c, PIN_INPUT           | MUX_MODE7)

arch/arm/dts/k3-am64-main.dtsi

@@ -13,8 +13,16 @@
 		#size-cells = <1>;
 		ranges = <0x0 0x00 0x70000000 0x200000>;
 
-		atf-sram@0 {
+		tfa-sram@1c0000 {
-			reg = <0x1a0000 0x1c000>;
+			reg = <0x1c0000 0x20000>;
+		};
+
+		dmsc-sram@1e0000 {
+			reg = <0x1e0000 0x1c000>;
+		};
+
+		sproxy-sram@1fc000 {
+			reg = <0x1fc000 0x4000>;
 		};
 	};
 

arch/arm/dts/k3-am65-main.dtsi

@@ -926,4 +926,467 @@
 		clocks = <&ehrpwm_tbclk 5>, <&k3_clks 45 0>;
 		clock-names = "tbclk", "fck";
 	};
+
+	icssg0: icssg@b000000 {
+		compatible = "ti,am654-icssg";
+		reg = <0x00 0xb000000 0x00 0x80000>;
+		power-domains = <&k3_pds 62 TI_SCI_PD_EXCLUSIVE>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x00 0xb000000 0x80000>;
+
+		icssg0_mem: memories@0 {
+			reg = <0x0 0x2000>,
+			      <0x2000 0x2000>,
+			      <0x10000 0x10000>;
+			reg-names = "dram0", "dram1",
+				    "shrdram2";
+		};
+
+		icssg0_cfg: cfg@26000 {
+			compatible = "ti,pruss-cfg", "syscon";
+			reg = <0x26000 0x200>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x26000 0x2000>;
+
+			clocks {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				icssg0_coreclk_mux: coreclk-mux@3c {
+					reg = <0x3c>;
+					#clock-cells = <0>;
+					clocks = <&k3_clks 62 19>, /* icssg0_core_clk */
+						 <&k3_clks 62 3>;  /* icssg0_iclk */
+					assigned-clocks = <&icssg0_coreclk_mux>;
+					assigned-clock-parents = <&k3_clks 62 3>;
+				};
+
+				icssg0_iepclk_mux: iepclk-mux@30 {
+					reg = <0x30>;
+					#clock-cells = <0>;
+					clocks = <&k3_clks 62 10>,	/* icssg0_iep_clk */
+						 <&icssg0_coreclk_mux>;	/* core_clk */
+					assigned-clocks = <&icssg0_iepclk_mux>;
+					assigned-clock-parents = <&icssg0_coreclk_mux>;
+				};
+			};
+		};
+
+		icssg0_iep0: iep@2e000 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2e000 0x1000>;
+			clocks = <&icssg0_iepclk_mux>;
+		};
+
+		icssg0_iep1: iep@2f000 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2f000 0x1000>;
+			clocks = <&icssg0_iepclk_mux>;
+		};
+
+		icssg0_mii_rt: mii-rt@32000 {
+			compatible = "ti,pruss-mii", "syscon";
+			reg = <0x32000 0x100>;
+		};
+
+		icssg0_mii_g_rt: mii-g-rt@33000 {
+			compatible = "ti,pruss-mii-g", "syscon";
+			reg = <0x33000 0x1000>;
+		};
+
+		icssg0_intc: interrupt-controller@20000 {
+			compatible = "ti,icssg-intc";
+			reg = <0x20000 0x2000>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			interrupts = <GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host_intr0", "host_intr1",
+					  "host_intr2", "host_intr3",
+					  "host_intr4", "host_intr5",
+					  "host_intr6", "host_intr7";
+		};
+
+		pru0_0: pru@34000 {
+			compatible = "ti,am654-pru";
+			reg = <0x34000 0x4000>,
+			      <0x22000 0x100>,
+			      <0x22400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-pru0_0-fw";
+		};
+
+		rtu0_0: rtu@4000 {
+			compatible = "ti,am654-rtu";
+			reg = <0x4000 0x2000>,
+			      <0x23000 0x100>,
+			      <0x23400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-rtu0_0-fw";
+		};
+
+		tx_pru0_0: txpru@a000 {
+			compatible = "ti,am654-tx-pru";
+			reg = <0xa000 0x1800>,
+			      <0x25000 0x100>,
+			      <0x25400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-txpru0_0-fw";
+		};
+
+		pru0_1: pru@38000 {
+			compatible = "ti,am654-pru";
+			reg = <0x38000 0x4000>,
+			      <0x24000 0x100>,
+			      <0x24400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-pru0_1-fw";
+		};
+
+		rtu0_1: rtu@6000 {
+			compatible = "ti,am654-rtu";
+			reg = <0x6000 0x2000>,
+			      <0x23800 0x100>,
+			      <0x23c00 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-rtu0_1-fw";
+		};
+
+		tx_pru0_1: txpru@c000 {
+			compatible = "ti,am654-tx-pru";
+			reg = <0xc000 0x1800>,
+			      <0x25800 0x100>,
+			      <0x25c00 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-txpru0_1-fw";
+		};
+
+		icssg0_mdio: mdio@32400 {
+			compatible = "ti,davinci_mdio";
+			reg = <0x32400 0x100>;
+			clocks = <&k3_clks 62 3>;
+			clock-names = "fck";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			bus_freq = <1000000>;
+			status = "disabled";
+		};
+	};
+
+	icssg1: icssg@b100000 {
+		compatible = "ti,am654-icssg";
+		reg = <0x00 0xb100000 0x00 0x80000>;
+		power-domains = <&k3_pds 63 TI_SCI_PD_EXCLUSIVE>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x00 0xb100000 0x80000>;
+
+		icssg1_mem: memories@0 {
+			reg = <0x0 0x2000>,
+			      <0x2000 0x2000>,
+			      <0x10000 0x10000>;
+			reg-names = "dram0", "dram1",
+				    "shrdram2";
+		};
+
+		icssg1_cfg: cfg@26000 {
+			compatible = "ti,pruss-cfg", "syscon";
+			reg = <0x26000 0x200>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x26000 0x2000>;
+
+			clocks {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				icssg1_coreclk_mux: coreclk-mux@3c {
+					reg = <0x3c>;
+					#clock-cells = <0>;
+					clocks = <&k3_clks 63 19>, /* icssg1_core_clk */
+						 <&k3_clks 63 3>;  /* icssg1_iclk */
+					assigned-clocks = <&icssg1_coreclk_mux>;
+					assigned-clock-parents = <&k3_clks 63 3>;
+				};
+
+				icssg1_iepclk_mux: iepclk-mux@30 {
+					reg = <0x30>;
+					#clock-cells = <0>;
+					clocks = <&k3_clks 63 10>,	/* icssg1_iep_clk */
+						 <&icssg1_coreclk_mux>;	/* core_clk */
+					assigned-clocks = <&icssg1_iepclk_mux>;
+					assigned-clock-parents = <&icssg1_coreclk_mux>;
+				};
+			};
+		};
+
+		icssg1_iep0: iep@2e000 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2e000 0x1000>;
+			clocks = <&icssg1_iepclk_mux>;
+		};
+
+		icssg1_iep1: iep@2f000 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2f000 0x1000>;
+			clocks = <&icssg1_iepclk_mux>;
+		};
+
+		icssg1_mii_rt: mii-rt@32000 {
+			compatible = "ti,pruss-mii", "syscon";
+			reg = <0x32000 0x100>;
+		};
+
+		icssg1_mii_g_rt: mii-g-rt@33000 {
+			compatible = "ti,pruss-mii-g", "syscon";
+			reg = <0x33000 0x1000>;
+		};
+
+		icssg1_intc: interrupt-controller@20000 {
+			compatible = "ti,icssg-intc";
+			reg = <0x20000 0x2000>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			interrupts = <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 264 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host_intr0", "host_intr1",
+					  "host_intr2", "host_intr3",
+					  "host_intr4", "host_intr5",
+					  "host_intr6", "host_intr7";
+		};
+
+		pru1_0: pru@34000 {
+			compatible = "ti,am654-pru";
+			reg = <0x34000 0x4000>,
+			      <0x22000 0x100>,
+			      <0x22400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-pru1_0-fw";
+		};
+
+		rtu1_0: rtu@4000 {
+			compatible = "ti,am654-rtu";
+			reg = <0x4000 0x2000>,
+			      <0x23000 0x100>,
+			      <0x23400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-rtu1_0-fw";
+		};
+
+		tx_pru1_0: txpru@a000 {
+			compatible = "ti,am654-tx-pru";
+			reg = <0xa000 0x1800>,
+			      <0x25000 0x100>,
+			      <0x25400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-txpru1_0-fw";
+		};
+
+		pru1_1: pru@38000 {
+			compatible = "ti,am654-pru";
+			reg = <0x38000 0x4000>,
+			      <0x24000 0x100>,
+			      <0x24400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-pru1_1-fw";
+		};
+
+		rtu1_1: rtu@6000 {
+			compatible = "ti,am654-rtu";
+			reg = <0x6000 0x2000>,
+			      <0x23800 0x100>,
+			      <0x23c00 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-rtu1_1-fw";
+		};
+
+		tx_pru1_1: txpru@c000 {
+			compatible = "ti,am654-tx-pru";
+			reg = <0xc000 0x1800>,
+			      <0x25800 0x100>,
+			      <0x25c00 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-txpru1_1-fw";
+		};
+
+		icssg1_mdio: mdio@32400 {
+			compatible = "ti,davinci_mdio";
+			reg = <0x32400 0x100>;
+			clocks = <&k3_clks 63 3>;
+			clock-names = "fck";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			bus_freq = <1000000>;
+			status = "disabled";
+		};
+	};
+
+	icssg2: icssg@b200000 {
+		compatible = "ti,am654-icssg";
+		reg = <0x00 0xb200000 0x00 0x80000>;
+		power-domains = <&k3_pds 64 TI_SCI_PD_EXCLUSIVE>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x00 0xb200000 0x80000>;
+
+		icssg2_mem: memories@0 {
+			reg = <0x0 0x2000>,
+			      <0x2000 0x2000>,
+			      <0x10000 0x10000>;
+			reg-names = "dram0", "dram1",
+				    "shrdram2";
+		};
+
+		icssg2_cfg: cfg@26000 {
+			compatible = "ti,pruss-cfg", "syscon";
+			reg = <0x26000 0x200>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x26000 0x2000>;
+
+			clocks {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				icssg2_coreclk_mux: coreclk-mux@3c {
+					reg = <0x3c>;
+					#clock-cells = <0>;
+					clocks = <&k3_clks 64 19>, /* icssg1_core_clk */
+						 <&k3_clks 64 3>;  /* icssg1_iclk */
+					assigned-clocks = <&icssg2_coreclk_mux>;
+					assigned-clock-parents = <&k3_clks 64 3>;
+				};
+
+				icssg2_iepclk_mux: iepclk-mux@30 {
+					reg = <0x30>;
+					#clock-cells = <0>;
+					clocks = <&k3_clks 64 10>,	/* icssg1_iep_clk */
+						 <&icssg2_coreclk_mux>;	/* core_clk */
+					assigned-clocks = <&icssg2_iepclk_mux>;
+					assigned-clock-parents = <&icssg2_coreclk_mux>;
+				};
+			};
+		};
+
+		icssg2_iep0: iep@2e000 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2e000 0x1000>;
+			clocks = <&icssg2_iepclk_mux>;
+		};
+
+		icssg2_iep1: iep@2f000 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2f000 0x1000>;
+			clocks = <&icssg2_iepclk_mux>;
+		};
+
+		icssg2_mii_rt: mii-rt@32000 {
+			compatible = "ti,pruss-mii", "syscon";
+			reg = <0x32000 0x100>;
+		};
+
+		icssg2_mii_g_rt: mii-g-rt@33000 {
+			compatible = "ti,pruss-mii-g", "syscon";
+			reg = <0x33000 0x1000>;
+		};
+
+		icssg2_intc: interrupt-controller@20000 {
+			compatible = "ti,icssg-intc";
+			reg = <0x20000 0x2000>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			interrupts = <GIC_SPI 270 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 271 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 272 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 273 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 274 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 275 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 276 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 277 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host_intr0", "host_intr1",
+					  "host_intr2", "host_intr3",
+					  "host_intr4", "host_intr5",
+					  "host_intr6", "host_intr7";
+		};
+
+		pru2_0: pru@34000 {
+			compatible = "ti,am654-pru";
+			reg = <0x34000 0x4000>,
+			      <0x22000 0x100>,
+			      <0x22400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-pru2_0-fw";
+		};
+
+		rtu2_0: rtu@4000 {
+			compatible = "ti,am654-rtu";
+			reg = <0x4000 0x2000>,
+			      <0x23000 0x100>,
+			      <0x23400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-rtu2_0-fw";
+		};
+
+		tx_pru2_0: txpru@a000 {
+			compatible = "ti,am654-tx-pru";
+			reg = <0xa000 0x1800>,
+			      <0x25000 0x100>,
+			      <0x25400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-txpru2_0-fw";
+		};
+
+		pru2_1: pru@38000 {
+			compatible = "ti,am654-pru";
+			reg = <0x38000 0x4000>,
+			      <0x24000 0x100>,
+			      <0x24400 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-pru2_1-fw";
+		};
+
+		rtu2_1: rtu@6000 {
+			compatible = "ti,am654-rtu";
+			reg = <0x6000 0x2000>,
+			      <0x23800 0x100>,
+			      <0x23c00 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-rtu2_1-fw";
+		};
+
+		tx_pru2_1: txpru@c000 {
+			compatible = "ti,am654-tx-pru";
+			reg = <0xc000 0x1800>,
+			      <0x25800 0x100>,
+			      <0x25c00 0x100>;
+			reg-names = "iram", "control", "debug";
+			firmware-name = "am65x-txpru2_1-fw";
+		};
+
+		icssg2_mdio: mdio@32400 {
+			compatible = "ti,davinci_mdio";
+			reg = <0x32400 0x100>;
+			clocks = <&k3_clks 64 3>;
+			clock-names = "fck";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			bus_freq = <1000000>;
+			status = "disabled";
+		};
+	};
+
 };

arch/arm/dts/k3-am654-base-board-u-boot.dtsi

@@ -1,207 +1,78 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2018-2021 Texas Instruments Incorporated - http://www.ti.com/
  */
 
-#include <dt-bindings/pinctrl/k3.h>
+#include "k3-am654-r5-base-board-u-boot.dtsi"
-#include <dt-bindings/net/ti-dp83867.h>
 
-/ {
+&pru0_0 {
-	chosen {
+	remoteproc-name = "pru0_0";
-		stdout-path = "serial2:115200n8";
 };
 
-	aliases {
+&rtu0_0 {
-		serial2 = &main_uart0;
+	remoteproc-name = "rtu0_0";
-		ethernet0 = &cpsw_port1;
-		usb0 = &usb0;
-		usb1 = &usb1;
-		spi0 = &ospi0;
-		spi1 = &ospi1;
-	};
 };
 
-&cbass_main{
+&tx_pru0_0 {
-	u-boot,dm-spl;
+	remoteproc-name = "tx_pru0_0";
-	main-navss {
-		u-boot,dm-spl;
-	};
 };
 
-&cbass_mcu {
+&pru0_1 {
-	u-boot,dm-spl;
+	remoteproc-name = "pru0_1";
-
-	mcu-navss {
-		u-boot,dm-spl;
-
-		ringacc@2b800000 {
-			reg =	<0x0 0x2b800000 0x0 0x400000>,
-				<0x0 0x2b000000 0x0 0x400000>,
-				<0x0 0x28590000 0x0 0x100>,
-				<0x0 0x2a500000 0x0 0x40000>,
-				<0x0 0x28440000 0x0 0x40000>;
-			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target", "cfg";
-			u-boot,dm-spl;
-			ti,dma-ring-reset-quirk;
 };
 
-		dma-controller@285c0000 {
+&rtu0_1 {
-			reg =	<0x0 0x285c0000 0x0 0x100>,
+	remoteproc-name = "rtu0_1";
-				<0x0 0x284c0000 0x0 0x4000>,
-				<0x0 0x2a800000 0x0 0x40000>,
-				<0x0 0x284a0000 0x0 0x4000>,
-				<0x0 0x2aa00000 0x0 0x40000>,
-				<0x0 0x28400000 0x0 0x2000>;
-			reg-names = "gcfg", "rchan", "rchanrt", "tchan",
-					    "tchanrt", "rflow";
-			u-boot,dm-spl;
-		};
-	};
 };
 
-&cbass_wakeup {
+&tx_pru0_1 {
-	u-boot,dm-spl;
+	remoteproc-name = "tx_pru0_1";
-
-	chipid@43000014 {
-		u-boot,dm-spl;
-	};
 };
 
-&secure_proxy_main {
+&pru1_0 {
-	u-boot,dm-spl;
+	remoteproc-name = "pru1_0";
 };
 
-&dmsc {
+&rtu1_0 {
-	u-boot,dm-spl;
+	remoteproc-name = "rtu1_0";
-	k3_sysreset: sysreset-controller {
-		compatible = "ti,sci-sysreset";
-		u-boot,dm-spl;
-	};
 };
 
-&k3_pds {
+&tx_pru1_0 {
-	u-boot,dm-spl;
+	remoteproc-name = "tx_pru1_0";
 };
 
-&k3_clks {
+&pru1_1 {
-	u-boot,dm-spl;
+	remoteproc-name = "pru1_1";
 };
 
-&k3_reset {
+&rtu1_1 {
-	u-boot,dm-spl;
+	remoteproc-name = "rtu1_1";
 };
 
-&wkup_pmx0 {
+&tx_pru1_1 {
-	u-boot,dm-spl;
+	remoteproc-name = "tx_pru1_1";
-
-	wkup_i2c0_pins_default {
-		u-boot,dm-spl;
-	};
 };
 
-&main_pmx0 {
+&pru2_0 {
-	u-boot,dm-spl;
+	remoteproc-name = "pru2_0";
-	usb0_pins_default: usb0_pins_default {
-		pinctrl-single,pins = <
-			AM65X_IOPAD(0x02bc, PIN_OUTPUT, 0) /* (AD9) USB0_DRVVBUS */
-		>;
-		u-boot,dm-spl;
-	};
 };
 
-&main_uart0_pins_default {
+&rtu2_0 {
-	u-boot,dm-spl;
+	remoteproc-name = "rtu2_0";
 };
 
-&main_pmx1 {
+&tx_pru2_0 {
-	u-boot,dm-spl;
+	remoteproc-name = "tx_pru2_0";
 };
 
-&wkup_pmx0 {
+&pru2_1 {
-	mcu-fss0-ospi0-pins-default {
+	remoteproc-name = "pru2_1";
-		u-boot,dm-spl;
-	};
 };
 
-&main_uart0 {
+&rtu2_1 {
-	u-boot,dm-spl;
+	remoteproc-name = "rtu2_1";
 };
 
-&main_mmc0_pins_default {
+&tx_pru2_1 {
-	u-boot,dm-spl;
+	remoteproc-name = "tx_pru2_1";
-};
-
-&main_mmc1_pins_default {
-	u-boot,dm-spl;
-};
-
-&sdhci0 {
-	u-boot,dm-spl;
-};
-
-&sdhci1 {
-	u-boot,dm-spl;
-};
-
-&davinci_mdio {
-	phy0: ethernet-phy@0 {
-		reg = <0>;
-		/* TODO: phy reset: TCA9555RTWR(i2c:0x21)[p04].GPIO_MCU_RGMII_RSTN */
-		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
-		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
-	};
-};
-
-&mcu_cpsw {
-	reg = <0x0 0x46000000 0x0 0x200000>,
-	      <0x0 0x40f00200 0x0 0x2>;
-	reg-names = "cpsw_nuss", "mac_efuse";
-	/delete-property/ ranges;
-
-	cpsw-phy-sel@40f04040 {
-		compatible = "ti,am654-cpsw-phy-sel";
-		reg= <0x0 0x40f04040 0x0 0x4>;
-		reg-names = "gmii-sel";
-	};
-};
-
-&wkup_i2c0 {
-	u-boot,dm-spl;
-};
-
-&usb1 {
-	dr_mode = "peripheral";
-};
-
-&fss {
-	u-boot,dm-spl;
-};
-
-&ospi0 {
-	u-boot,dm-spl;
-
-	 flash@0{
-		u-boot,dm-spl;
-	};
-};
-
-&dwc3_0 {
-	status = "okay";
-	u-boot,dm-spl;
-};
-
-&usb0_phy {
-	status = "okay";
-	u-boot,dm-spl;
-};
-
-&usb0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&usb0_pins_default>;
-	dr_mode = "host";
-	u-boot,dm-spl;
-};
-
-&scm_conf {
-	u-boot,dm-spl;
 };

arch/arm/dts/k3-am654-r5-base-board-u-boot.dtsi

@@ -0,0 +1,207 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018-2021 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+#include <dt-bindings/pinctrl/k3.h>
+#include <dt-bindings/net/ti-dp83867.h>
+
+/ {
+	chosen {
+		stdout-path = "serial2:115200n8";
+	};
+
+	aliases {
+		serial2 = &main_uart0;
+		ethernet0 = &cpsw_port1;
+		usb0 = &usb0;
+		usb1 = &usb1;
+		spi0 = &ospi0;
+		spi1 = &ospi1;
+	};
+};
+
+&cbass_main{
+	u-boot,dm-spl;
+	main-navss {
+		u-boot,dm-spl;
+	};
+};
+
+&cbass_mcu {
+	u-boot,dm-spl;
+
+	mcu-navss {
+		u-boot,dm-spl;
+
+		ringacc@2b800000 {
+			reg =	<0x0 0x2b800000 0x0 0x400000>,
+				<0x0 0x2b000000 0x0 0x400000>,
+				<0x0 0x28590000 0x0 0x100>,
+				<0x0 0x2a500000 0x0 0x40000>,
+				<0x0 0x28440000 0x0 0x40000>;
+			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target", "cfg";
+			u-boot,dm-spl;
+			ti,dma-ring-reset-quirk;
+		};
+
+		dma-controller@285c0000 {
+			reg =	<0x0 0x285c0000 0x0 0x100>,
+				<0x0 0x284c0000 0x0 0x4000>,
+				<0x0 0x2a800000 0x0 0x40000>,
+				<0x0 0x284a0000 0x0 0x4000>,
+				<0x0 0x2aa00000 0x0 0x40000>,
+				<0x0 0x28400000 0x0 0x2000>;
+			reg-names = "gcfg", "rchan", "rchanrt", "tchan",
+					    "tchanrt", "rflow";
+			u-boot,dm-spl;
+		};
+	};
+};
+
+&cbass_wakeup {
+	u-boot,dm-spl;
+
+	chipid@43000014 {
+		u-boot,dm-spl;
+	};
+};
+
+&secure_proxy_main {
+	u-boot,dm-spl;
+};
+
+&dmsc {
+	u-boot,dm-spl;
+	k3_sysreset: sysreset-controller {
+		compatible = "ti,sci-sysreset";
+		u-boot,dm-spl;
+	};
+};
+
+&k3_pds {
+	u-boot,dm-spl;
+};
+
+&k3_clks {
+	u-boot,dm-spl;
+};
+
+&k3_reset {
+	u-boot,dm-spl;
+};
+
+&wkup_pmx0 {
+	u-boot,dm-spl;
+
+	wkup_i2c0_pins_default {
+		u-boot,dm-spl;
+	};
+};
+
+&main_pmx0 {
+	u-boot,dm-spl;
+	usb0_pins_default: usb0_pins_default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x02bc, PIN_OUTPUT, 0) /* (AD9) USB0_DRVVBUS */
+		>;
+		u-boot,dm-spl;
+	};
+};
+
+&main_uart0_pins_default {
+	u-boot,dm-spl;
+};
+
+&main_pmx1 {
+	u-boot,dm-spl;
+};
+
+&wkup_pmx0 {
+	mcu-fss0-ospi0-pins-default {
+		u-boot,dm-spl;
+	};
+};
+
+&main_uart0 {
+	u-boot,dm-spl;
+};
+
+&main_mmc0_pins_default {
+	u-boot,dm-spl;
+};
+
+&main_mmc1_pins_default {
+	u-boot,dm-spl;
+};
+
+&sdhci0 {
+	u-boot,dm-spl;
+};
+
+&sdhci1 {
+	u-boot,dm-spl;
+};
+
+&davinci_mdio {
+	phy0: ethernet-phy@0 {
+		reg = <0>;
+		/* TODO: phy reset: TCA9555RTWR(i2c:0x21)[p04].GPIO_MCU_RGMII_RSTN */
+		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+	};
+};
+
+&mcu_cpsw {
+	reg = <0x0 0x46000000 0x0 0x200000>,
+	      <0x0 0x40f00200 0x0 0x2>;
+	reg-names = "cpsw_nuss", "mac_efuse";
+	/delete-property/ ranges;
+
+	cpsw-phy-sel@40f04040 {
+		compatible = "ti,am654-cpsw-phy-sel";
+		reg= <0x0 0x40f04040 0x0 0x4>;
+		reg-names = "gmii-sel";
+	};
+};
+
+&wkup_i2c0 {
+	u-boot,dm-spl;
+};
+
+&usb1 {
+	dr_mode = "peripheral";
+};
+
+&fss {
+	u-boot,dm-spl;
+};
+
+&ospi0 {
+	u-boot,dm-spl;
+
+	 flash@0{
+		u-boot,dm-spl;
+	};
+};
+
+&dwc3_0 {
+	status = "okay";
+	u-boot,dm-spl;
+};
+
+&usb0_phy {
+	status = "okay";
+	u-boot,dm-spl;
+};
+
+&usb0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_pins_default>;
+	dr_mode = "host";
+	u-boot,dm-spl;
+};
+
+&scm_conf {
+	u-boot,dm-spl;
+};

arch/arm/dts/k3-am654-r5-base-board.dts

@@ -330,5 +330,3 @@
 &scm_conf {
 	u-boot,dm-spl;
 };
-
-#include "k3-am654-base-board-u-boot.dtsi"

arch/arm/dts/k3-j7200-r5-common-proc-board.dts

@@ -89,6 +89,13 @@
 			<&mcu_secproxy 23>;
 		u-boot,dm-spl;
 	};
+
+	wkup_vtm0: vtm@42040000 {
+		compatible = "ti,am654-vtm", "ti,j721e-avs";
+		reg = <0x0 0x42040000 0x0 0x330>;
+		power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;
+		#thermal-sensor-cells = <1>;
+	};
 };
 
 &dmsc {
@@ -239,6 +246,37 @@
 	ti,driver-strength-ohm = <50>;
 };
 
+&wkup_i2c0 {
+	u-boot,dm-spl;
+	lp876441: lp876441@4c {
+		compatible = "ti,lp876441";
+		reg = <0x4c>;
+		u-boot,dm-spl;
+		pinctrl-names = "default";
+		pinctrl-0 = <&wkup_i2c0_pins_default>;
+		clock-frequency = <400000>;
+
+		regulators: regulators {
+			u-boot,dm-spl;
+			buck1_reg: buck1 {
+				/*VDD_CPU_AVS_REG*/
+				regulator-name = "buck1";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1250000>;
+				regulator-always-on;
+				regulator-boot-on;
+				u-boot,dm-spl;
+			};
+		};
+	};
+
+};
+
+&wkup_vtm0 {
+	vdd-supply-2 = <&buck1_reg>;
+	u-boot,dm-spl;
+};
+
 &main_i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c0_pins_default>;

arch/arm/include/asm/arch-am33xx/mem-guardian.h

@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2006-2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * (C) Copyright 2020
+ * Robert Bosch Power Tools GmbH
+ *
+ * Author
+ *		Moses Christopher <BollavarapuMoses.Christopher@in.bosch.com>
+ *
+ * Copied from:
+ *		arch/arm/include/asm/arch-am33xx/mem.h
+ *
+ * Initial Code from:
+ *		Mansoor Ahamed <mansoor.ahamed@ti.com>
+ *		Richard Woodruff <r-woodruff2@ti.com>
+ */
+
+#ifndef _MEM_GUARDIAN_H_
+#define _MEM_GUARDIAN_H_
+
+/*
+ * GPMC settings -
+ * Definitions is as per the following format
+ * #define <PART>_GPMC_CONFIG<x> <value>
+ * Where:
+ * PART is the part name e.g. M_NAND - Micron Nand Flash
+ * x is GPMC config registers from 1 to 7 (there will be 7 macros)
+ * Value is corresponding value
+ *
+ * For every valid PRCM configuration there should be only one definition of
+ * the same.
+ *
+ * The following values are optimized for improving the NAND Read speed
+ * They are applicable and tested for Bosch Guardian Board.
+ * Read Speeds rose from 1.5MiBs to over 7.6MiBs
+ *
+ * Currently valid part Names are (PART):
+ * M_NAND - Micron NAND
+ */
+#define GPMC_SIZE_256M		0x0
+#define GPMC_SIZE_128M		0x8
+#define GPMC_SIZE_64M		0xC
+#define GPMC_SIZE_32M		0xE
+#define GPMC_SIZE_16M		0xF
+
+#define M_NAND_GPMC_CONFIG1	0x00000800
+#define M_NAND_GPMC_CONFIG2	0x00030300
+#define M_NAND_GPMC_CONFIG3	0x00030300
+#define M_NAND_GPMC_CONFIG4	0x02000201
+#define M_NAND_GPMC_CONFIG5	0x00030303
+#define M_NAND_GPMC_CONFIG6	0x000000C0
+#define M_NAND_GPMC_CONFIG7	0x00000008
+
+/* max number of GPMC Chip Selects */
+#define GPMC_MAX_CS		8
+/* max number of GPMC regs */
+#define GPMC_MAX_REG		7
+
+#define DBG_MPDB		6
+
+#endif /* endif _MEM_GUARDIAN_H_ */

arch/arm/include/asm/arch-omap3/sys_proto.h

@@ -59,8 +59,6 @@ u32 is_running_in_sdram(void);
 u32 is_running_in_sram(void);
 u32 is_running_in_flash(void);
 u32 get_device_type(void);
-void secureworld_exit(void);
-void try_unlock_memory(void);
 u32 get_boot_type(void);
 void invalidate_dcache(u32);
 u32 wait_on_value(u32, u32, void *, u32);

arch/arm/mach-k3/am642_init.c

@@ -141,7 +141,7 @@ int fdtdec_board_setup(const void *fdt_blob)
 
 void board_init_f(ulong dummy)
 {
-#if defined(CONFIG_K3_LOAD_SYSFW)
+#if defined(CONFIG_K3_LOAD_SYSFW) || defined(CONFIG_K3_AM64_DDRSS)
 	struct udevice *dev;
 	int ret;
 #endif

arch/arm/mach-omap2/am33xx/Kconfig

@@ -94,6 +94,8 @@ config TARGET_AM335X_GUARDIAN
 	select DM
 	select DM_SERIAL
 	select DM_GPIO
+	select DM_VIDEO
+	select DM_PANEL_HX8238D
 
 config TARGET_AM335X_SL50
 	bool "Support am335x_sl50"

arch/arm/mach-omap2/am33xx/board.c

@@ -23,7 +23,11 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/i2c.h>
+#if IS_ENABLED(CONFIG_TARGET_AM335X_GUARDIAN)
+#include <asm/arch/mem-guardian.h>
+#else
 #include <asm/arch/mem.h>
+#endif
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/global_data.h>

arch/arm/mach-omap2/mem-common.c

@@ -15,7 +15,11 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
+#if IS_ENABLED(CONFIG_TARGET_AM335X_GUARDIAN)
+#include <asm/arch/mem-guardian.h>
+#else
 #include <asm/arch/mem.h>
+#endif
 #include <asm/arch/sys_proto.h>
 #include <command.h>
 #include <linux/mtd/omap_gpmc.h>

arch/arm/mach-omap2/omap3/board.c

@@ -71,12 +71,20 @@ const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
 
 #endif
 
+void early_system_init(void)
+{
+	hw_data_init();
+}
+
+#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && \
+	!defined(CONFIG_SKIP_LOWLEVEL_INIT_ONLY)
+
 /******************************************************************************
  * Routine: secure_unlock
  * Description: Setup security registers for access
  *              (GP Device only)
  *****************************************************************************/
-void secure_unlock_mem(void)
+static void secure_unlock_mem(void)
 {
 	struct pm *pm_rt_ape_base = (struct pm *)PM_RT_APE_BASE_ADDR_ARM;
 	struct pm *pm_gpmc_base = (struct pm *)PM_GPMC_BASE_ADDR_ARM;
@@ -114,7 +122,7 @@ void secure_unlock_mem(void)
  *		configure secure registers and exit secure world
  *              general use.
  *****************************************************************************/
-void secureworld_exit(void)
+static void secureworld_exit(void)
 {
 	unsigned long i;
 
@@ -145,7 +153,7 @@ void secureworld_exit(void)
  * Description: If chip is GP/EMU(special) type, unlock the SRAM for
  *              general use.
  *****************************************************************************/
-void try_unlock_memory(void)
+static void try_unlock_memory(void)
 {
 	int mode;
 	int in_sdram = is_running_in_sdram();
@@ -174,13 +182,6 @@ void try_unlock_memory(void)
 	return;
 }
 
-void early_system_init(void)
-{
-	hw_data_init();
-}
-
-#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && \
-	!defined(CONFIG_SKIP_LOWLEVEL_INIT_ONLY)
 /******************************************************************************
  * Routine: s_init
  * Description: Does early system init of muxing and clocks.

board/bosch/guardian/board.c

@@ -9,19 +9,15 @@
  */
 
 #include <common.h>
-#include <cpsw.h>
 #include <dm.h>
-#include <env.h>
 #include <env_internal.h>
 #include <errno.h>
 #include <i2c.h>
-#include <init.h>
 #include <led.h>
-#include <miiphy.h>
 #include <panel.h>
+#include <linux/delay.h>
 #include <asm/global_data.h>
 #include <power/tps65217.h>
-#include <power/tps65910.h>
 #include <spl.h>
 #include <watchdog.h>
 #include <asm/arch/clock.h>
@@ -29,13 +25,17 @@
 #include <asm/arch/ddr_defs.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/hardware.h>
-#include <asm/arch/mem.h>
+#include <asm/arch/mem-guardian.h>
-#include <asm/arch/mmc_host_def.h>
 #include <asm/arch/omap.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/emif.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
+#include <jffs2/load_kernel.h>
+#include <mtd.h>
+#include <nand.h>
+#include <video.h>
+#include <video_console.h>
 #include "board.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -193,27 +193,11 @@ int board_init(void)
 #ifdef CONFIG_BOARD_LATE_INIT
 static void set_bootmode_env(void)
 {
-	char *boot_device_name = NULL;
 	char *boot_mode_gpio = "gpio@44e07000_14";
 	int   ret;
-	int   value;
 
 	struct gpio_desc boot_mode_desc;
 
-	switch (gd->arch.omap_boot_device) {
-	case BOOT_DEVICE_NAND:
-		boot_device_name = "nand";
-		break;
-	case BOOT_DEVICE_USBETH:
-		boot_device_name = "usbeth";
-		break;
-	default:
-		break;
-	}
-
-	if (boot_device_name)
-		env_set("boot_device", boot_device_name);
-
 	ret = dm_gpio_lookup_name(boot_mode_gpio, &boot_mode_desc);
 	if (ret) {
 		printf("%s is not found\n", boot_mode_gpio);
@@ -226,20 +210,138 @@ static void set_bootmode_env(void)
 		goto err;
 	}
 
-	value = dm_gpio_get_value(&boot_mode_desc);
+	dm_gpio_set_dir_flags(&boot_mode_desc, GPIOD_IS_IN);
-	value ? env_set("swi_status", "0") : env_set("swi_status", "1");
+	udelay(10);
+
+	ret = dm_gpio_get_value(&boot_mode_desc);
+	if (ret == 0) {
+		env_set("swi_status", "1");
+	} else if (ret == 1) {
+		env_set("swi_status", "0");
+	} else {
+		printf("swi status gpio error\n");
+		goto err;
+	}
+
 	return;
 
 err:
 	env_set("swi_status", "err");
 }
 
+void lcdbacklight_en(void)
+{
+	unsigned long brightness = env_get_ulong("backlight_brightness", 10, 50);
+
+	if (brightness > 99 || brightness == 0)
+		brightness = 99;
+
+	/*
+	 * Brightness range:
+	 * WLEDCTRL2 DUTY[6:0]
+	 *
+	 * 000 0000b = 1%
+	 * 000 0001b = 2%
+	 * ...
+	 * 110 0010b = 99%
+	 * 110 0011b = 100%
+	 *
+	 */
+
+	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL2,
+			   brightness, 0xFF);
+	tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL1,
+			   brightness != 0 ? 0x0A : 0x02, 0xFF);
+}
+
+#if IS_ENABLED(CONFIG_AM335X_LCD)
+static void splash_screen(void)
+{
+	struct udevice *video_dev;
+	struct udevice *console_dev;
+	struct video_priv *vid_priv;
+	struct mtd_info *mtd;
+	size_t len;
+	int ret;
+
+	struct mtd_device *mtd_dev;
+	struct part_info  *part;
+	u8 pnum;
+
+	ret = uclass_get_device(UCLASS_VIDEO, 0, &video_dev);
+	if (ret != 0) {
+		debug("video device not found\n");
+		goto exit;
+	}
+
+	vid_priv = dev_get_uclass_priv(video_dev);
+	mtdparts_init();
+
+	if (find_dev_and_part(SPLASH_SCREEN_NAND_PART, &mtd_dev, &pnum, &part))	{
+		debug("Could not find nand partition\n");
+		goto splash_screen_text;
+	}
+
+	mtd = get_nand_dev_by_index(mtd_dev->id->num);
+	if (!mtd) {
+		debug("MTD partition is not valid\n");
+		goto splash_screen_text;
+	}
+
+	len = SPLASH_SCREEN_BMP_FILE_SIZE;
+	ret = nand_read_skip_bad(mtd, part->offset, &len, NULL,
+				 SPLASH_SCREEN_BMP_FILE_SIZE,
+				 (u_char *)SPLASH_SCREEN_BMP_LOAD_ADDR);
+	if (ret != 0) {
+		debug("Reading NAND partition failed\n");
+		goto splash_screen_text;
+	}
+
+	ret = video_bmp_display(video_dev, SPLASH_SCREEN_BMP_LOAD_ADDR, 0, 0, false);
+	if (ret != 0) {
+		debug("No valid bmp image found!!\n");
+		goto splash_screen_text;
+	} else {
+		goto exit;
+	}
+
+splash_screen_text:
+	vid_priv->colour_fg = CONSOLE_COLOR_RED;
+	vid_priv->colour_bg = CONSOLE_COLOR_BLACK;
+
+	if (!uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &console_dev)) {
+		debug("Found console\n");
+		vidconsole_position_cursor(console_dev, 17, 7);
+		vidconsole_put_string(console_dev, SPLASH_SCREEN_TEXT);
+	} else {
+		debug("No console device found\n");
+	}
+
+exit:
+	return;
+}
+#endif /* CONFIG_AM335X_LCD */
+
 int board_late_init(void)
 {
+	int ret;
+	struct udevice *cdev;
+
 #ifdef CONFIG_LED_GPIO
 	led_default_state();
 #endif
 	set_bootmode_env();
+
+	ret = uclass_get_device(UCLASS_PANEL, 0, &cdev);
+	if (ret) {
+		debug("video panel not found: %d\n", ret);
+		return ret;
+	}
+
+	lcdbacklight_en();
+	if (IS_ENABLED(CONFIG_AM335X_LCD))
+		splash_screen();
+
 	return 0;
 }
 #endif /* CONFIG_BOARD_LATE_INIT */

board/bosch/guardian/mux.c

@@ -28,8 +28,9 @@ static struct module_pin_mux i2c0_pin_mux[] = {
 
 static struct module_pin_mux guardian_interfaces_pin_mux[] = {
 	{OFFSET(mcasp0_ahclkx), (MODE(7) | PULLDOWN_EN)},
+	{OFFSET(mii1_txen),     (MODE(7) | PULLDOWN_EN)},
 	{OFFSET(mcasp0_aclkx),  (MODE(7) | PULLUP_EN)},
-	{OFFSET(mii1_txd0),     (MODE(7) | PULLUP_EN)},
+	{OFFSET(mdio_clk),      (MODE(7) | PULLUP_EN)},
 	{OFFSET(uart1_rxd),     (MODE(7) | RXACTIVE | PULLUDDIS)},
 	{OFFSET(uart1_txd),     (MODE(7) | PULLUDDIS)},
 	{OFFSET(mii1_crs),      (MODE(7) | PULLDOWN_EN)},

board/nokia/rx51/lowlevel_init.S

@@ -27,6 +27,9 @@ imagesize:		/* maximal size of image */
 ih_magic:		/* IH_MAGIC in big endian from include/image.h */
 	.word 0x56190527
 
+z_magic:		/* LINUX_ARM_ZIMAGE_MAGIC */
+	.word 0x016f2818
+
 /*
  * Routine: save_boot_params (called after reset from start.S)
  * Description: Copy attached kernel to address KERNEL_ADDRESS
@@ -75,6 +78,12 @@ copy_kernel_start:
 	ldr	r4, [r0]	/* r4 - 4 bytes header of kernel */
 	ldr	r5, ih_magic	/* r5 - IH_MAGIC */
 	cmp	r4, r5
+	beq	copy_kernel_loop
+
+	/* check for valid kernel zImage */
+	ldr	r4, [r0, #36]	/* r4 - 4 bytes header of kernel at offset 36 */
+	ldr	r5, z_magic	/* r5 - LINUX_ARM_ZIMAGE_MAGIC */
+	cmp	r4, r5
 	bne	copy_kernel_end	/* skip if invalid image */
 
 copy_kernel_loop:
@@ -85,7 +94,8 @@ copy_kernel_loop:
 
 copy_kernel_end:
 	mov	r5, #0
-	str	r5, [r0]	/* remove 4 bytes header of kernel */
+	str	r5, [r0]	/* remove 4 bytes header of kernel uImage */
+	str	r5, [r0, #36]	/* remove 4 bytes header of kernel zImage */
 
 
 /* Fix u-boot code */

configs/am335x_boneblack_vboot_defconfig

@@ -16,7 +16,7 @@ CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
 CONFIG_AUTOBOOT_DELAY_STR="d"
 CONFIG_AUTOBOOT_STOP_STR=" "
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y
 CONFIG_SPL_MUSB_NEW_SUPPORT=y

configs/am335x_evm_defconfig

@@ -9,7 +9,7 @@ CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_LOGLEVEL=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y

configs/am335x_evm_spiboot_defconfig

@@ -14,7 +14,7 @@ CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_LOGLEVEL=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y

configs/am335x_guardian_defconfig

@@ -1,12 +1,14 @@
 CONFIG_ARM=y
 CONFIG_ARCH_CPU_INIT=y
 CONFIG_ARCH_OMAP2PLUS=y
-CONFIG_SPL_GPIO_SUPPORT=y
+# CONFIG_SPL_GPIO_SUPPORT is not set
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_ENV_SIZE=0x40000
 CONFIG_ENV_OFFSET=0x500000
 CONFIG_DEFAULT_DEVICE_TREE="am335x-guardian"
+CONFIG_SYS_MEMTEST_START=0x80000000
+CONFIG_SYS_MEMTEST_END=0x81000000
 CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_GUARDIAN=y
 CONFIG_SPL_SERIAL_SUPPORT=y
@@ -17,6 +19,7 @@ CONFIG_BOOTSTAGE_STASH_ADDR=0x0
 CONFIG_ENV_OFFSET_REDUND=0x540000
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_DISTRO_DEFAULTS=y
+CONFIG_BOOTDELAY=0
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
 CONFIG_AUTOBOOT_DELAY_STR="d"
@@ -39,10 +42,12 @@ CONFIG_SPL_NET_VCI_STRING="Guardian U-Boot SPL"
 CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_USB_GADGET=y
 CONFIG_SPL_USB_ETHER=y
-CONFIG_CMD_SPL=y
+# CONFIG_CMD_SPL is not set
 CONFIG_CMD_SPL_NAND_OFS=0x0
 CONFIG_CMD_ASKENV=y
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_MEMTEST=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
@@ -50,8 +55,7 @@ CONFIG_CMD_MTD=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
-CONFIG_BOOTP_DNS2=y
+CONFIG_CMD_BMP=y
-# CONFIG_CMD_LED is not set
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_MTDPARTS=y
 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand.0:256k(SPL),256k(SPL.backup1),256k(SPL.backup2),256k(SPL.backup3),1m(u-boot),1m(u-boot.backup1),1m(u-boot-2),1m(u-boot-2.backup1),256k(u-boot-env),256k(u-boot-env.backup1),256k(splash-screen),-(UBI)"
@@ -68,7 +72,16 @@ CONFIG_SPL_ENV_IS_NOWHERE=y
 CONFIG_VERSION_VARIABLE=y
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_SPL_DM=y
+CONFIG_REGMAP=y
 CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_AM33XX_NVMEM=y
+CONFIG_CLK=y
+CONFIG_CLK_CCF=y
+CONFIG_CLK_TI_AM3_DPLL=y
+CONFIG_CLK_TI_CTRL=y
+CONFIG_CLK_TI_DIVIDER=y
+CONFIG_CLK_TI_GATE=y
+CONFIG_CLK_TI_MUX=y
 CONFIG_LED=y
 CONFIG_LED_GPIO=y
 CONFIG_MISC=y
@@ -80,12 +93,16 @@ CONFIG_SYS_NAND_U_BOOT_LOCATIONS=y
 CONFIG_SYS_NAND_U_BOOT_OFFS=0x100000
 CONFIG_SYS_NAND_U_BOOT_OFFS_REDUND=0x200000
 CONFIG_MTD_UBI_FASTMAP=y
+CONFIG_MTD_UBI_FASTMAP_AUTOCONVERT=1
 CONFIG_PHYLIB=y
 CONFIG_DM_ETH=y
 CONFIG_PHY=y
 CONFIG_NOP_PHY=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_SINGLE=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_OMAP3_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB_GADGET=y
 CONFIG_SPL_DM_USB_GADGET=y
@@ -98,6 +115,11 @@ CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
 CONFIG_USB_GADGET_VENDOR_NUM=0x0451
 CONFIG_USB_GADGET_PRODUCT_NUM=0xd022
 CONFIG_USB_ETHER=y
+CONFIG_DM_VIDEO=y
+CONFIG_DM_PANEL_HX8238D=y
+CONFIG_VIDEO_BPP16=y
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_AM335X_LCD=y
 CONFIG_SPL_WDT=y
 # CONFIG_SPL_USE_TINY_PRINTF is not set
 CONFIG_SPL_OF_LIBFDT=y

configs/am335x_hs_evm_defconfig

@@ -13,7 +13,7 @@ CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_LOGLEVEL=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y

configs/am335x_hs_evm_uart_defconfig

@@ -16,7 +16,7 @@ CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_LOGLEVEL=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y

configs/am3517_evm_defconfig

@@ -10,7 +10,7 @@ CONFIG_DEFAULT_DEVICE_TREE="am3517-evm"
 CONFIG_SPL_TEXT_BASE=0x40200000
 CONFIG_TARGET_AM3517_EVM=y
 CONFIG_EMIF4=y
-CONFIG_SPL_SYS_MALLOC_F_LEN=0x3000
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x2500
 CONFIG_SPL=y
 CONFIG_LTO=y
 CONFIG_DISTRO_DEFAULTS=y
@@ -53,8 +53,6 @@ CONFIG_ENV_IS_IN_NAND=y
 CONFIG_VERSION_VARIABLE=y
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_SPL_DM=y
-CONFIG_SPL_DM_SEQ_ALIAS=y
-CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_DM_PCA953X=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_MTD=y
@@ -84,3 +82,4 @@ CONFIG_USB_MUSB_HOST=y
 CONFIG_USB_MUSB_AM35X=y
 CONFIG_BCH=y
 CONFIG_SPL_TINY_MEMSET=y
+# CONFIG_EFI_LOADER is not set

configs/am43xx_evm_defconfig

@@ -12,7 +12,7 @@ CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
-# CONFIG_USE_BOOTCOMMAND is not set
+CONFIG_BOOTCOMMAND="run findfdt; run finduuid; run distro_bootcmd"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_MISC_INIT_R is not set
 CONFIG_SPL_ETH_SUPPORT=y

configs/am43xx_evm_qspiboot_defconfig

@@ -13,7 +13,7 @@ CONFIG_ENV_OFFSET_REDUND=0x120000
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SYS_EXTRA_OPTIONS="QSPI,QSPI_BOOT"
 CONFIG_QSPI_BOOT=y
-# CONFIG_USE_BOOTCOMMAND is not set
+CONFIG_BOOTCOMMAND="run findfdt; run finduuid; run distro_bootcmd"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_BOARD_EARLY_INIT_F=y
 # CONFIG_MISC_INIT_R is not set

configs/am43xx_evm_rtconly_defconfig

@@ -12,7 +12,7 @@ CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
-# CONFIG_USE_BOOTCOMMAND is not set
+CONFIG_BOOTCOMMAND="run findfdt; run finduuid; run distro_bootcmd"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_MISC_INIT_R is not set
 CONFIG_SPL_MTD_SUPPORT=y

configs/am43xx_evm_usbhost_boot_defconfig

@@ -11,7 +11,7 @@ CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
-# CONFIG_USE_BOOTCOMMAND is not set
+CONFIG_BOOTCOMMAND="run findfdt; run finduuid; run distro_bootcmd"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_MISC_INIT_R is not set
 CONFIG_SPL_MTD_SUPPORT=y

configs/am43xx_hs_evm_defconfig

@@ -21,7 +21,7 @@ CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
-# CONFIG_USE_BOOTCOMMAND is not set
+CONFIG_BOOTCOMMAND="run findfdt; run finduuid; run distro_bootcmd"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_MISC_INIT_R is not set
 CONFIG_SPL_ETH_SUPPORT=y

configs/am64x_evm_a53_defconfig

@@ -5,7 +5,7 @@ CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SYS_MALLOC_F_LEN=0x8000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_SOC_K3_AM642=y
-CONFIG_K3_ATF_LOAD_ADDR=0x701a0000
+CONFIG_K3_ATF_LOAD_ADDR=0x701c0000
 CONFIG_TARGET_AM642_A53_EVM=y
 CONFIG_ENV_SIZE=0x20000
 CONFIG_SYS_SPI_U_BOOT_OFFS=0x280000

configs/am65x_evm_a53_defconfig

@@ -29,7 +29,7 @@ CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x81000000
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="run findfdt; run envboot; run init_${boot}; run boot_rprocs; run get_kern_${boot}; run get_fdt_${boot}; run get_overlay_${boot}; run run_kern"
+CONFIG_BOOTCOMMAND="run findfdt; run distro_bootcmd; run init_${boot}; run boot_rprocs; run get_kern_${boot}; run get_fdt_${boot}; run get_overlay_${boot}; run run_kern"
 CONFIG_LOGLEVEL=7
 CONFIG_CONSOLE_MUX=y
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
@@ -141,12 +141,14 @@ CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_REMOTEPROC_TI_K3_R5F=y
+CONFIG_REMOTEPROC_TI_PRU=y
 CONFIG_DM_RESET=y
 CONFIG_RESET_TI_SCI=y
 CONFIG_DM_SERIAL=y
 CONFIG_SOC_DEVICE=y
 CONFIG_SOC_DEVICE_TI_K3=y
 CONFIG_SOC_TI=y
+CONFIG_TI_PRUSS=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_CADENCE_QSPI=y

configs/j7200_evm_r5_defconfig

@@ -114,6 +114,13 @@ CONFIG_SPL_PINCTRL=y
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_POWER_DOMAIN=y
 CONFIG_TI_POWER_DOMAIN=y
+CONFIG_TI_SCI_POWER_DOMAIN=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_TPS65941=y
+CONFIG_DM_REGULATOR=y
+CONFIG_SPL_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_TPS65941=y
+CONFIG_K3_AVS0=y
 CONFIG_K3_SYSTEM_CONTROLLER=y
 CONFIG_REMOTEPROC_TI_K3_ARM64=y
 CONFIG_DM_RESET=y

configs/j721e_evm_a72_defconfig

@@ -29,7 +29,7 @@ CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x81000000
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
-CONFIG_BOOTCOMMAND="run findfdt; run envboot; run init_${boot}; run boot_rprocs; run get_kern_${boot}; run get_fdt_${boot}; run get_overlay_${boot}; run run_kern"
+CONFIG_BOOTCOMMAND="run findfdt; run distro_bootcmd; run init_${boot}; run boot_rprocs; run get_kern_${boot}; run get_fdt_${boot}; run get_overlay_${boot}; run run_kern"
 CONFIG_LOGLEVEL=7
 CONFIG_SPL_BOARD_INIT=y
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y

configs/nokia_rx51_defconfig

@@ -18,6 +18,7 @@ CONFIG_CONSOLE_MUX=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="Nokia RX-51 # "
 # CONFIG_CMD_BDI is not set
+CONFIG_CMD_BOOTZ=y
 # CONFIG_BOOTM_NETBSD is not set
 # CONFIG_BOOTM_PLAN9 is not set
 # CONFIG_BOOTM_RTEMS is not set

configs/omap35_logic_defconfig

@@ -5,7 +5,7 @@ CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_TI_COMMON_CMD_OPTIONS=y
 # CONFIG_SPL_GPIO_SUPPORT is not set
-CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_SYS_MALLOC_F_LEN=0x3000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_DEFAULT_DEVICE_TREE="logicpd-torpedo-35xx-devkit"
 CONFIG_SPL_TEXT_BASE=0x40200000

configs/omap35_logic_somlv_defconfig

@@ -5,7 +5,7 @@ CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_TI_COMMON_CMD_OPTIONS=y
 # CONFIG_SPL_GPIO_SUPPORT is not set
-CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_SYS_MALLOC_F_LEN=0x3000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_DEFAULT_DEVICE_TREE="logicpd-som-lv-35xx-devkit"
 CONFIG_SPL_TEXT_BASE=0x40200000

configs/omap3_logic_defconfig

@@ -5,7 +5,7 @@ CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_TI_COMMON_CMD_OPTIONS=y
 # CONFIG_SPL_GPIO_SUPPORT is not set
-CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_SYS_MALLOC_F_LEN=0x3000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_DEFAULT_DEVICE_TREE="logicpd-torpedo-37xx-devkit"
 CONFIG_SPL_TEXT_BASE=0x40200000

configs/omap3_logic_somlv_defconfig

@@ -5,7 +5,7 @@ CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_TI_COMMON_CMD_OPTIONS=y
 # CONFIG_SPL_GPIO_SUPPORT is not set
-CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_SYS_MALLOC_F_LEN=0x3000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_DEFAULT_DEVICE_TREE="logicpd-som-lv-37xx-devkit"
 CONFIG_SPL_TEXT_BASE=0x40200000

configs/omap4_panda_defconfig

@@ -39,7 +39,6 @@ CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_MUSB_UDC=y
 CONFIG_USB_OMAP3=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_HOST_ETHER=y

configs/omap4_sdp4430_defconfig

@@ -39,7 +39,6 @@ CONFIG_CONS_INDEX=3
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
-CONFIG_USB_MUSB_UDC=y
 CONFIG_USB_OMAP3=y
 CONFIG_USB_GADGET=y
 CONFIG_FAT_WRITE=y

doc/README.nokia_rx51

@@ -11,13 +11,14 @@ a kernel. In order to transparently boot the original kernel, it will be
 appended to u-boot.bin at 0x40000. NOLO will load the entire image into
 (random) memory and execute u-boot, which saves hw revision, boot reason
 and boot mode ATAGs set by NOLO. Then the bootscripts will attempt to load
-uImage or boot.scr from a fat, ext2/ext3 or ext4 filesystem in external
+uImage, zImage or boot.scr from a fat or ext2/3/4 filesystem on external
 SD card or internal eMMC memory. If this fails or keyboard is closed then
 the appended kernel image will be booted using some generated and some
 stored ATAGs (see boot order).
 
-For generating combined image of u-boot and kernel there is a simple script
+For generating combined image of u-boot and kernel (either in uImage or zImage
-called u-boot-gen-combined. It is available in following repository:
+format) there is a simple script called u-boot-gen-combined. It is available in
+following repository:
 
   https://github.com/pali/u-boot-maemo
 
@@ -41,7 +42,8 @@ Boot from SD or eMMC in this order:
  * 1.
    * 1.1 find boot.scr on first fat partition
    * 1.2 find uImage on first fat partition
-   * 1.3 same order for 2. - 4. fat partition
+   * 1.3 find zImage on first fat partition
+   * 1.4 same order for 2. - 4. fat partition
  * 2. same as 1. but for ext2/3 partition
  * 3. same as 1. but for ext4 partition
 

drivers/bootcount/Kconfig

@@ -42,6 +42,25 @@ config BOOTCOUNT_AM33XX
 	  This requires the RTC clocks, etc, to be enabled prior to use and
 	  not all boards with this IP block on it will have the RTC in use.
 
+config BOOTCOUNT_AM33XX_NVMEM
+	bool "Boot counter in AM33XX RTC IP block with upgrade_available flag"
+	depends on AM33XX
+        select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX
+	help
+	  Add support for maintaining bootcount,upgrade_available,
+	  version and BOOTMAGIC in a AM33xx RTC IP block
+	  scratch register2.
+
+	  A bootcount driver for the RTC IP block found on many TI platforms.
+	  This requires the RTC clocks, etc, to be enabled prior to use and
+	  not all boards with this IP block on it will have the RTC in use.
+
+	  If there is upgrade in software then "upgrade_available" is 1,
+	  "bootcount" is incremented otherwise "upgrade_available" and
+	  "bootcount" is  always 0. So the Userspace Application must set
+	  the "upgrade_available" and "bootcount" variable to 0, if a boot
+	  was successfully.
+
 config BOOTCOUNT_ENV
 	bool "Boot counter in environment"
 	help
@@ -177,16 +196,25 @@ config SYS_BOOTCOUNT_EXT_NAME
 
 config SYS_BOOTCOUNT_ADDR
 	hex "RAM address used for reading and writing the boot counter"
-	default 0x44E3E000 if BOOTCOUNT_AM33XX
+	default 0x44E3E000 if BOOTCOUNT_AM33XX || BOOTCOUNT_AM33XX_NVMEM
 	default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A
 	depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
-		   BOOTCOUNT_I2C
+		   BOOTCOUNT_I2C || BOOTCOUNT_AM33XX_NVMEM
 	help
 	  Set the address used for reading and writing the boot counter.
 
 config SYS_BOOTCOUNT_MAGIC
 	hex "Magic value for the boot counter"
-	default 0xB001C041
+	default 0xB001C041 if BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
+			      BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
+			      BOOTCOUNT_RAM || BOOTCOUNT_I2C || \
+			      BOOTCOUNT_AT91 || DM_BOOTCOUNT
+	default 0xB0 if BOOTCOUNT_AM33XX_NVMEM
+	depends on BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
+		   BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
+		   BOOTCOUNT_RAM || BOOTCOUNT_I2C || \
+		   BOOTCOUNT_AT91 || DM_BOOTCOUNT || \
+		   BOOTCOUNT_AM33XX_NVMEM
 	help
 	  Set the magic value used for the boot counter.
 

drivers/bootcount/Makefile

@@ -8,6 +8,7 @@ obj-$(CONFIG_BOOTCOUNT_RAM)	+= bootcount_ram.o
 obj-$(CONFIG_BOOTCOUNT_ENV)	+= bootcount_env.o
 obj-$(CONFIG_BOOTCOUNT_I2C)	+= bootcount_i2c.o
 obj-$(CONFIG_BOOTCOUNT_EXT)	+= bootcount_ext.o
+obj-$(CONFIG_BOOTCOUNT_AM33XX_NVMEM)	+= bootcount_nvmem.o
 
 obj-$(CONFIG_DM_BOOTCOUNT)      += bootcount-uclass.o
 obj-$(CONFIG_DM_BOOTCOUNT_RTC)  += rtc.o

drivers/bootcount/bootcount_nvmem.c

@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ * (C) Copyright 2018 Robert Bosch Power Tools GmbH.
+ *
+ * A bootcount driver for the RTC IP block found on many TI platforms.
+ * This requires the RTC clocks, etc, to be enabled prior to use and
+ * not all boards with this IP block on it will have the RTC in use.
+ */
+
+#include <bootcount.h>
+#include <asm/davinci_rtc.h>
+
+#define	BC_VERSION	2
+
+void bootcount_store(ulong bootcount)
+{
+	u8 upgrade_available = 0;
+	ulong val = 0;
+	struct davinci_rtc *reg =
+		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
+
+	val = raw_bootcount_load(&reg->scratch2);
+	upgrade_available = (val >> 8) & 0x000000ff;
+
+	/* Only update bootcount during upgrade process */
+	if (!upgrade_available)
+		bootcount = 0;
+
+	val = (bootcount & 0x000000ff) |
+	      (upgrade_available << 8) |
+	      (BC_VERSION << 16) |
+	      (CONFIG_SYS_BOOTCOUNT_MAGIC << 24);
+
+	/*
+	 * write RTC kick registers to enable write
+	 * for RTC Scratch registers. Scratch register 2 is
+	 * used for bootcount value.
+	 */
+	writel(RTC_KICK0R_WE, &reg->kick0r);
+	writel(RTC_KICK1R_WE, &reg->kick1r);
+	raw_bootcount_store(&reg->scratch2, val);
+}
+
+ulong bootcount_load(void)
+{
+	unsigned long val = 0;
+	struct davinci_rtc *reg =
+		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
+
+	val = raw_bootcount_load(&reg->scratch2);
+	if ((val >> 24) != CONFIG_SYS_BOOTCOUNT_MAGIC)
+		return 0;
+	else
+		return val & 0x000000ff;
+}

drivers/power/pmic/tps65941.c

@@ -72,6 +72,7 @@ static struct dm_pmic_ops tps65941_ops = {
 static const struct udevice_id tps65941_ids[] = {
 	{ .compatible = "ti,tps659411", .data = TPS659411 },
 	{ .compatible = "ti,tps659413", .data = TPS659413 },
+	{ .compatible = "ti,lp876441",  .data =  LP876441 },
 	{ }
 };
 

drivers/remoteproc/Kconfig

@@ -81,4 +81,15 @@ config REMOTEPROC_TI_POWER
 	help
 	  Say 'y' here to add support for TI power processors such as those
 	  found on certain TI keystone and OMAP generation SoCs.
+
+config REMOTEPROC_TI_PRU
+	bool "Support for TI's K3 based PRU remoteproc driver"
+	select REMOTEPROC
+	depends on DM
+	depends on TI_PRUSS
+	depends on ARCH_K3
+	depends on OF_CONTROL
+	help
+	  Say 'y' here to add support for TI' K3 remoteproc driver.
+
 endmenu

drivers/remoteproc/Makefile

@@ -14,3 +14,4 @@ obj-$(CONFIG_REMOTEPROC_TI_K3_ARM64) += ti_k3_arm64_rproc.o
 obj-$(CONFIG_REMOTEPROC_TI_K3_DSP) += ti_k3_dsp_rproc.o
 obj-$(CONFIG_REMOTEPROC_TI_K3_R5F) += ti_k3_r5f_rproc.o
 obj-$(CONFIG_REMOTEPROC_TI_POWER) += ti_power_proc.o
+obj-$(CONFIG_REMOTEPROC_TI_PRU) += pru_rproc.o

drivers/remoteproc/pru_rproc.c

@@ -0,0 +1,461 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PRU-RTU remoteproc driver for various SoCs
+ *
+ * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ *	Keerthy <j-keerthy@ti.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <elf.h>
+#include <dm/of_access.h>
+#include <remoteproc.h>
+#include <errno.h>
+#include <clk.h>
+#include <reset.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <power-domain.h>
+#include <linux/pruss_driver.h>
+#include <dm/device_compat.h>
+
+/* PRU_ICSS_PRU_CTRL registers */
+#define PRU_CTRL_CTRL		0x0000
+#define PRU_CTRL_STS		0x0004
+#define PRU_CTRL_WAKEUP_EN	0x0008
+#define PRU_CTRL_CYCLE		0x000C
+#define PRU_CTRL_STALL		0x0010
+#define PRU_CTRL_CTBIR0		0x0020
+#define PRU_CTRL_CTBIR1		0x0024
+#define PRU_CTRL_CTPPR0		0x0028
+#define PRU_CTRL_CTPPR1		0x002C
+
+/* CTRL register bit-fields */
+#define CTRL_CTRL_SOFT_RST_N	BIT(0)
+#define CTRL_CTRL_EN		BIT(1)
+#define CTRL_CTRL_SLEEPING	BIT(2)
+#define CTRL_CTRL_CTR_EN	BIT(3)
+#define CTRL_CTRL_SINGLE_STEP	BIT(8)
+#define CTRL_CTRL_RUNSTATE	BIT(15)
+
+#define RPROC_FLAGS_SHIFT	16
+#define RPROC_FLAGS_NONE	0
+#define RPROC_FLAGS_ELF_PHDR	BIT(0 + RPROC_FLAGS_SHIFT)
+#define RPROC_FLAGS_ELF_SHDR	BIT(1 + RPROC_FLAGS_SHIFT)
+
+/**
+ * enum pru_mem - PRU core memory range identifiers
+ */
+enum pru_mem {
+	PRU_MEM_IRAM = 0,
+	PRU_MEM_CTRL,
+	PRU_MEM_DEBUG,
+	PRU_MEM_MAX,
+};
+
+struct pru_privdata {
+	phys_addr_t pru_iram;
+	phys_addr_t pru_ctrl;
+	phys_addr_t pru_debug;
+	fdt_size_t pru_iramsz;
+	fdt_size_t pru_ctrlsz;
+	fdt_size_t pru_debugsz;
+	const char *fw_name;
+	u32 iram_da;
+	u32 pdram_da;
+	u32 sdram_da;
+	u32 shrdram_da;
+	u32 bootaddr;
+	int id;
+	struct pruss *prusspriv;
+};
+
+static inline u32 pru_control_read_reg(struct pru_privdata *pru, unsigned int reg)
+{
+	return readl(pru->pru_ctrl + reg);
+}
+
+static inline
+void pru_control_write_reg(struct pru_privdata *pru, unsigned int reg, u32 val)
+{
+	writel(val, pru->pru_ctrl + reg);
+}
+
+static inline
+void pru_control_set_reg(struct pru_privdata *pru, unsigned int reg,
+			 u32 mask, u32 set)
+{
+	u32 val;
+
+	val = pru_control_read_reg(pru, reg);
+	val &= ~mask;
+	val |= (set & mask);
+	pru_control_write_reg(pru, reg, val);
+}
+
+/**
+ * pru_rproc_set_ctable() - set the constant table index for the PRU
+ * @rproc: the rproc instance of the PRU
+ * @c: constant table index to set
+ * @addr: physical address to set it to
+ */
+static int pru_rproc_set_ctable(struct pru_privdata *pru, enum pru_ctable_idx c, u32 addr)
+{
+	unsigned int reg;
+	u32 mask, set;
+	u16 idx;
+	u16 idx_mask;
+
+	/* pointer is 16 bit and index is 8-bit so mask out the rest */
+	idx_mask = (c >= PRU_C28) ? 0xFFFF : 0xFF;
+
+	/* ctable uses bit 8 and upwards only */
+	idx = (addr >> 8) & idx_mask;
+
+	/* configurable ctable (i.e. C24) starts at PRU_CTRL_CTBIR0 */
+	reg = PRU_CTRL_CTBIR0 + 4 * (c >> 1);
+	mask = idx_mask << (16 * (c & 1));
+	set = idx << (16 * (c & 1));
+
+	pru_control_set_reg(pru, reg, mask, set);
+
+	return 0;
+}
+
+/**
+ * pru_start() - start the pru processor
+ * @dev:	corresponding k3 remote processor device
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int pru_start(struct udevice *dev)
+{
+	struct pru_privdata *priv;
+	int val = 0;
+
+	priv = dev_get_priv(dev);
+
+	pru_rproc_set_ctable(priv, PRU_C28, 0x100 << 8);
+
+	val = CTRL_CTRL_EN | ((priv->bootaddr >> 2) << 16);
+	writel(val, priv->pru_ctrl + PRU_CTRL_CTRL);
+
+	return 0;
+}
+
+/**
+ * pru_stop() - Stop pru processor
+ * @dev:	corresponding k3 remote processor device
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int pru_stop(struct udevice *dev)
+{
+	struct pru_privdata *priv;
+	int val = 0;
+
+	priv = dev_get_priv(dev);
+
+	val = readl(priv->pru_ctrl + PRU_CTRL_CTRL);
+	val &= ~CTRL_CTRL_EN;
+	writel(val, priv->pru_ctrl + PRU_CTRL_CTRL);
+
+	return 0;
+}
+
+/**
+ * pru_init() - Initialize the remote processor
+ * @dev:	rproc device pointer
+ *
+ * Return: 0 if all went ok, else return appropriate error
+ */
+static int pru_init(struct udevice *dev)
+{
+	return 0;
+}
+
+/*
+ * Convert PRU device address (data spaces only) to kernel virtual address
+ *
+ * Each PRU has access to all data memories within the PRUSS, accessible at
+ * different ranges. So, look through both its primary and secondary Data
+ * RAMs as well as any shared Data RAM to convert a PRU device address to
+ * kernel virtual address. Data RAM0 is primary Data RAM for PRU0 and Data
+ * RAM1 is primary Data RAM for PRU1.
+ */
+static void *pru_d_da_to_pa(struct pru_privdata *priv, u32 da, int len)
+{
+	u32 offset;
+	void *pa = NULL;
+	phys_addr_t dram0, dram1, shrdram2;
+	u32 dram0sz, dram1sz, shrdram2sz;
+
+	if (len <= 0)
+		return NULL;
+
+	dram0 = priv->prusspriv->mem_regions[PRUSS_MEM_DRAM0].pa;
+	dram1 = priv->prusspriv->mem_regions[PRUSS_MEM_DRAM1].pa;
+	shrdram2 = priv->prusspriv->mem_regions[PRUSS_MEM_SHRD_RAM2].pa;
+	dram0sz = priv->prusspriv->mem_regions[PRUSS_MEM_DRAM0].size;
+	dram1sz = priv->prusspriv->mem_regions[PRUSS_MEM_DRAM1].size;
+	shrdram2sz = priv->prusspriv->mem_regions[PRUSS_MEM_SHRD_RAM2].size;
+
+	/* PRU1 has its local RAM addresses reversed */
+	if (priv->id == 1) {
+		dram1 = dram0;
+		dram1sz = dram0sz;
+
+		dram0 =  priv->prusspriv->mem_regions[PRUSS_MEM_DRAM1].pa;
+		dram0sz = priv->prusspriv->mem_regions[PRUSS_MEM_DRAM1].size;
+	}
+
+	if (da >= priv->pdram_da && da + len <= priv->pdram_da + dram0sz) {
+		offset = da - priv->pdram_da;
+		pa = (__force void *)(dram0 + offset);
+	} else if (da >= priv->sdram_da &&
+		   da + len <= priv->sdram_da + dram1sz) {
+		offset = da - priv->sdram_da;
+		pa = (__force void *)(dram1 + offset);
+	} else if (da >= priv->shrdram_da &&
+		   da + len <= priv->shrdram_da + shrdram2sz) {
+		offset = da - priv->shrdram_da;
+		pa = (__force void *)(shrdram2 + offset);
+	}
+
+	return pa;
+}
+
+/*
+ * Convert PRU device address (instruction space) to kernel virtual address
+ *
+ * A PRU does not have an unified address space. Each PRU has its very own
+ * private Instruction RAM, and its device address is identical to that of
+ * its primary Data RAM device address.
+ */
+static void *pru_i_da_to_pa(struct pru_privdata *priv, u32 da, int len)
+{
+	u32 offset;
+	void *pa = NULL;
+
+	if (len <= 0)
+		return NULL;
+
+	if (da >= priv->iram_da &&
+	    da + len <= priv->iram_da + priv->pru_iramsz) {
+		offset = da - priv->iram_da;
+		pa = (__force void *)(priv->pru_iram + offset);
+	}
+
+	return pa;
+}
+
+/* PRU-specific address translator */
+static void *pru_da_to_pa(struct pru_privdata *priv, u64 da, int len, u32 flags)
+{
+	void *pa;
+	u32 exec_flag;
+
+	exec_flag = ((flags & RPROC_FLAGS_ELF_SHDR) ? flags & SHF_EXECINSTR :
+		     ((flags & RPROC_FLAGS_ELF_PHDR) ? flags & PF_X : 0));
+
+	if (exec_flag)
+		pa = pru_i_da_to_pa(priv, da, len);
+	else
+		pa = pru_d_da_to_pa(priv, da, len);
+
+	return pa;
+}
+
+/*
+ * Custom memory copy implementation for ICSSG PRU/RTU Cores
+ *
+ * The ICSSG PRU/RTU cores have a memory copying issue with IRAM memories, that
+ * is not seen on previous generation SoCs. The data is reflected properly in
+ * the IRAM memories only for integer (4-byte) copies. Any unaligned copies
+ * result in all the other pre-existing bytes zeroed out within that 4-byte
+ * boundary, thereby resulting in wrong text/code in the IRAMs. Also, the
+ * IRAM memory port interface does not allow any 8-byte copies (as commonly
+ * used by ARM64 memcpy implementation) and throws an exception. The DRAM
+ * memory ports do not show this behavior. Use this custom copying function
+ * to properly load the PRU/RTU firmware images on all memories for simplicity.
+ *
+ * TODO: Improve the function to deal with additional corner cases like
+ * unaligned copy sizes or sub-integer trailing bytes when the need arises.
+ */
+static int pru_rproc_memcpy(void *dest, void *src, size_t count)
+{
+	const int *s = src;
+	int *d = dest;
+	int size = count / 4;
+	int *tmp_src = NULL;
+
+	/* limited to 4-byte aligned addresses and copy sizes */
+	if ((long)dest % 4 || count % 4)
+		return -EINVAL;
+
+	/* src offsets in ELF firmware image can be non-aligned */
+	if ((long)src % 4) {
+		tmp_src = malloc(count);
+		if (!tmp_src)
+			return -ENOMEM;
+
+		memcpy(tmp_src, src, count);
+		s = tmp_src;
+	}
+
+	while (size--)
+		*d++ = *s++;
+
+	kfree(tmp_src);
+
+	return 0;
+}
+
+/**
+ * pru_load() - Load pru firmware
+ * @dev:	corresponding k3 remote processor device
+ * @addr:	Address on the RAM from which firmware is to be loaded
+ * @size:	Size of the pru firmware in bytes
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int pru_load(struct udevice *dev, ulong addr, ulong size)
+{
+	struct pru_privdata *priv;
+	Elf32_Ehdr *ehdr;
+	Elf32_Phdr *phdr;
+	int i, ret = 0;
+
+	priv = dev_get_priv(dev);
+
+	ehdr = (Elf32_Ehdr *)addr;
+	phdr = (Elf32_Phdr *)(addr + ehdr->e_phoff);
+
+	/* go through the available ELF segments */
+	for (i = 0; i < ehdr->e_phnum; i++, phdr++) {
+		u32 da = phdr->p_paddr;
+		u32 memsz = phdr->p_memsz;
+		u32 filesz = phdr->p_filesz;
+		u32 offset = phdr->p_offset;
+		void *ptr;
+
+		if (phdr->p_type != PT_LOAD)
+			continue;
+
+		dev_dbg(dev, "phdr: type %d da 0x%x memsz 0x%x filesz 0x%x\n",
+			phdr->p_type, da, memsz, filesz);
+
+		if (filesz > memsz) {
+			dev_dbg(dev, "bad phdr filesz 0x%x memsz 0x%x\n",
+				filesz, memsz);
+			ret = -EINVAL;
+			break;
+		}
+
+		if (offset + filesz > size) {
+			dev_dbg(dev, "truncated fw: need 0x%x avail 0x%zx\n",
+				offset + filesz, size);
+			ret = -EINVAL;
+			break;
+		}
+
+		/* grab the kernel address for this device address */
+		ptr = pru_da_to_pa(priv, da, memsz,
+				   RPROC_FLAGS_ELF_PHDR | phdr->p_flags);
+		if (!ptr) {
+			dev_dbg(dev, "bad phdr da 0x%x mem 0x%x\n", da, memsz);
+			ret = -EINVAL;
+			break;
+		}
+
+		/* skip the memzero logic performed by remoteproc ELF loader */
+		if (!phdr->p_filesz)
+			continue;
+
+		ret = pru_rproc_memcpy(ptr,
+				       (void *)addr + phdr->p_offset, filesz);
+		if (ret) {
+			dev_dbg(dev, "PRU custom memory copy failed for da 0x%x memsz 0x%x\n",
+				da, memsz);
+			break;
+		}
+	}
+
+	priv->bootaddr = ehdr->e_entry;
+
+	return ret;
+}
+
+static const struct dm_rproc_ops pru_ops = {
+	.init = pru_init,
+	.start = pru_start,
+	.stop = pru_stop,
+	.load = pru_load,
+};
+
+static void pru_set_id(struct pru_privdata *priv, struct udevice *dev)
+{
+	u32 mask2 = 0x38000;
+
+	if (device_is_compatible(dev, "ti,am654-rtu"))
+		mask2 = 0x6000;
+
+	if (device_is_compatible(dev, "ti,am654-tx-pru"))
+		mask2 = 0xc000;
+
+	if ((priv->pru_iram & mask2) == mask2)
+		priv->id = 1;
+	else
+		priv->id = 0;
+}
+
+/**
+ * pru_probe() - Basic probe
+ * @dev:	corresponding k3 remote processor device
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int pru_probe(struct udevice *dev)
+{
+	struct pru_privdata *priv;
+	ofnode node;
+
+	node = dev_ofnode(dev);
+
+	priv = dev_get_priv(dev);
+	priv->prusspriv = dev_get_priv(dev->parent);
+
+	priv->pru_iram = devfdt_get_addr_size_index(dev, PRU_MEM_IRAM,
+						    &priv->pru_iramsz);
+	priv->pru_ctrl = devfdt_get_addr_size_index(dev, PRU_MEM_CTRL,
+						    &priv->pru_ctrlsz);
+	priv->pru_debug = devfdt_get_addr_size_index(dev, PRU_MEM_DEBUG,
+						     &priv->pru_debugsz);
+
+	priv->iram_da = 0;
+	priv->pdram_da = 0;
+	priv->sdram_da = 0x2000;
+	priv->shrdram_da = 0x10000;
+
+	pru_set_id(priv, dev);
+
+	return 0;
+}
+
+static const struct udevice_id pru_ids[] = {
+	{ .compatible = "ti,am654-pru"},
+	{ .compatible = "ti,am654-rtu"},
+	{ .compatible = "ti,am654-tx-pru" },
+	{}
+};
+
+U_BOOT_DRIVER(pru) = {
+	.name = "pru",
+	.of_match = pru_ids,
+	.id = UCLASS_REMOTEPROC,
+	.ops = &pru_ops,
+	.probe = pru_probe,
+	.priv_auto = sizeof(struct pru_privdata),
+};

drivers/soc/ti/Kconfig

@@ -23,4 +23,15 @@ config TI_KEYSTONE_SERDES
 	 SerDes driver for Keystone SoC used for ethernet support on TI
 	 K2 platforms.
 
+config TI_PRUSS
+	bool "Support for TI's K3 based Pruss driver"
+	depends on DM
+	depends on ARCH_K3
+	depends on OF_CONTROL
+	depends on SYSCON
+	help
+	  Support for TI PRU-ICSSG subsystem.
+	  Currently supported on AM65xx SoCs Say Y here to support the
+	  Programmable Realtime Unit (PRU).
+
 endif # SOC_TI

drivers/soc/ti/Makefile

@@ -2,3 +2,4 @@
 
 obj-$(CONFIG_TI_K3_NAVSS_RINGACC)	+= k3-navss-ringacc.o
 obj-$(CONFIG_TI_KEYSTONE_SERDES)	+= keystone_serdes.o
+obj-$(CONFIG_TI_PRUSS)	+= pruss.o

drivers/soc/ti/pruss.c

@@ -0,0 +1,217 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PRU-ICSS platform driver for various TI SoCs
+ *
+ * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/of_access.h>
+#include <errno.h>
+#include <clk.h>
+#include <reset.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <power-domain.h>
+#include <linux/pruss_driver.h>
+#include <dm/device_compat.h>
+
+#define PRUSS_CFG_IEPCLK	0x30
+#define ICSSG_CFG_CORE_SYNC	0x3c
+
+#define ICSSG_TASK_MGR_OFFSET	0x2a000
+
+/* PRUSS_IEPCLK register bits */
+#define PRUSS_IEPCLK_IEP_OCP_CLK_EN		BIT(0)
+
+/* ICSSG CORE_SYNC register bits */
+#define ICSSG_CORE_VBUSP_SYNC_EN		BIT(0)
+
+/*
+ * pruss_request_tm_region() - Request pruss for task manager region
+ * @dev:	corresponding k3 device
+ * @loc:	the task manager physical address
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+int pruss_request_tm_region(struct udevice *dev, phys_addr_t *loc)
+{
+	struct pruss *priv;
+
+	priv = dev_get_priv(dev);
+	if (!priv || !priv->mem_regions[PRUSS_MEM_DRAM0].pa)
+		return -EINVAL;
+
+	*loc = priv->mem_regions[PRUSS_MEM_DRAM0].pa + ICSSG_TASK_MGR_OFFSET;
+
+	return 0;
+}
+
+/**
+ * pruss_request_mem_region() - request a memory resource
+ * @dev: the pruss device
+ * @mem_id: the memory resource id
+ * @region: pointer to memory region structure to be filled in
+ *
+ * This function allows a client driver to request a memory resource,
+ * and if successful, will let the client driver own the particular
+ * memory region until released using the pruss_release_mem_region()
+ * API.
+ *
+ * Returns the memory region if requested resource is available, an
+ * error otherwise
+ */
+int pruss_request_mem_region(struct udevice *dev, enum pruss_mem mem_id,
+			     struct pruss_mem_region *region)
+{
+	struct pruss *pruss;
+
+	pruss = dev_get_priv(dev);
+	if (!pruss || !region)
+		return -EINVAL;
+
+	if (mem_id >= PRUSS_MEM_MAX)
+		return -EINVAL;
+
+	if (pruss->mem_in_use[mem_id])
+		return -EBUSY;
+
+	*region = pruss->mem_regions[mem_id];
+	pruss->mem_in_use[mem_id] = region;
+
+	return 0;
+}
+
+/**
+ * pruss_release_mem_region() - release a memory resource
+ * @dev: the pruss device
+ * @region: the memory region to release
+ *
+ * This function is the complimentary function to
+ * pruss_request_mem_region(), and allows the client drivers to
+ * release back a memory resource.
+ *
+ * Returns 0 on success, an error code otherwise
+ */
+int pruss_release_mem_region(struct udevice *dev,
+			     struct pruss_mem_region *region)
+{
+	struct pruss *pruss;
+	int id;
+
+	pruss = dev_get_priv(dev);
+	if (!pruss || !region)
+		return -EINVAL;
+
+	/* find out the memory region being released */
+	for (id = 0; id < PRUSS_MEM_MAX; id++) {
+		if (pruss->mem_in_use[id] == region)
+			break;
+	}
+
+	if (id == PRUSS_MEM_MAX)
+		return -EINVAL;
+
+	pruss->mem_in_use[id] = NULL;
+
+	return 0;
+}
+
+/**
+ * pruss_cfg_update() - configure a PRUSS CFG sub-module register
+ * @dev: the pruss device
+ * @reg: register offset within the CFG sub-module
+ * @mask: bit mask to use for programming the @val
+ * @val: value to write
+ *
+ * Programs a given register within the PRUSS CFG sub-module
+ *
+ * Returns 0 on success, or an error code otherwise
+ */
+int pruss_cfg_update(struct udevice *dev, unsigned int reg,
+		     unsigned int mask, unsigned int val)
+{
+	struct pruss *pruss;
+
+	pruss = dev_get_priv(dev);
+	if (IS_ERR_OR_NULL(pruss))
+		return -EINVAL;
+
+	return regmap_update_bits(pruss->cfg, reg, mask, val);
+}
+
+/**
+ * pruss_probe() - Basic probe
+ * @dev:	corresponding k3 device
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int pruss_probe(struct udevice *dev)
+{
+	const char *mem_names[PRUSS_MEM_MAX] = { "dram0", "dram1", "shrdram2" };
+	ofnode sub_node, node, memories;
+	struct udevice *syscon;
+	struct pruss *priv;
+	int ret, idx, i;
+
+	priv = dev_get_priv(dev);
+	node = dev_ofnode(dev);
+	priv->dev = dev;
+	memories = ofnode_find_subnode(node, "memories");
+
+	for (i = 0; i < ARRAY_SIZE(mem_names); i++) {
+		idx = ofnode_stringlist_search(memories, "reg-names", mem_names[i]);
+		priv->mem_regions[i].pa = ofnode_get_addr_size_index(memories, idx,
+						       (u64 *)&priv->mem_regions[i].size);
+	}
+
+	sub_node = ofnode_find_subnode(node, "cfg");
+	ret = uclass_get_device_by_ofnode(UCLASS_SYSCON, sub_node,
+					  &syscon);
+
+	priv->cfg = syscon_get_regmap(syscon);
+	if (IS_ERR(priv->cfg)) {
+		dev_err(dev, "unable to get cfg regmap (%ld)\n",
+			PTR_ERR(priv->cfg));
+		return -ENODEV;
+	}
+
+	/*
+	 * ToDo: To be modelled as clocks.
+	 * The CORE block uses two multiplexers to allow software to
+	 * select one of three source clocks (ICSSGn_CORE_CLK, ICSSGn_ICLK or
+	 * ICSSGn_IEP_CLK) for the final clock source of the CORE block.
+	 * The user needs to configure ICSSG_CORE_SYNC_REG[0] CORE_VBUSP_SYNC_EN
+	 * bit & ICSSG_IEPCLK_REG[0] IEP_OCP_CLK_EN bit in order to select the
+	 * clock source to the CORE block.
+	 */
+	ret = regmap_update_bits(priv->cfg, ICSSG_CFG_CORE_SYNC,
+				 ICSSG_CORE_VBUSP_SYNC_EN,
+				 ICSSG_CORE_VBUSP_SYNC_EN);
+	if (ret)
+		return ret;
+	ret = regmap_update_bits(priv->cfg, PRUSS_CFG_IEPCLK,
+				 PRUSS_IEPCLK_IEP_OCP_CLK_EN,
+				 PRUSS_IEPCLK_IEP_OCP_CLK_EN);
+	if (ret)
+		return ret;
+
+	dev_dbg(dev, "pruss successfully probed %s\n", dev->name);
+
+	return 0;
+}
+
+static const struct udevice_id pruss_ids[] = {
+	{ .compatible = "ti,am654-icssg"},
+	{}
+};
+
+U_BOOT_DRIVER(pruss) = {
+	.name = "pruss",
+	.of_match = pruss_ids,
+	.id = UCLASS_MISC,
+	.probe = pruss_probe,
+	.priv_auto = sizeof(struct pruss),
+};

drivers/video/Makefile

@@ -15,7 +15,7 @@ obj-$(CONFIG_VIDEO_MIPI_DSI) += dsi-host-uclass.o
 obj-$(CONFIG_DM_VIDEO) += video-uclass.o vidconsole-uclass.o
 obj-$(CONFIG_DM_VIDEO) += video_bmp.o
 obj-$(CONFIG_PANEL) += panel-uclass.o
-obj-$(CONFIG_PANEL_HX8238D) += hx8238d.o
+obj-$(CONFIG_DM_PANEL_HX8238D) += hx8238d.o
 obj-$(CONFIG_SIMPLE_PANEL) += simple_panel.o
 endif
 

drivers/video/hx8238d.c

@@ -191,7 +191,7 @@ U_BOOT_DRIVER(hx8238d) = {
 	.name = "hx8238d",
 	.id = UCLASS_PANEL,
 	.of_match = hx8238d_ids,
-	.ofdata_to_platdata = hx8238d_ofdata_to_platdata,
+	.of_to_plat = hx8238d_ofdata_to_platdata,
 	.probe = hx8238d_probe,
-	.priv_auto_alloc_size = sizeof(struct hx8238d_priv),
+	.priv_auto = sizeof(struct hx8238d_priv),
 };

include/configs/am335x_evm.h

@@ -50,15 +50,6 @@
 #define NANDARGS ""
 #endif
 
-#define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
-	"bootcmd_" #devtypel #instance "=" \
-	"setenv mmcdev " #instance"; "\
-	"setenv bootpart " #instance":2 ; "\
-	"run mmcboot\0"
-
-#define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \
-	#devtypel #instance " "
-
 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
 	"bootcmd_" #devtypel "=" \
 	"run nandboot\0"
@@ -86,9 +77,7 @@
 
 #define BOOT_TARGET_DEVICES(func) \
 	func(MMC, mmc, 0) \
-	func(LEGACY_MMC, legacy_mmc, 0) \
 	func(MMC, mmc, 1) \
-	func(LEGACY_MMC, legacy_mmc, 1) \
 	func(NAND, nand, 0) \
 	BOOT_TARGET_USB(func) \
 	BOOT_TARGET_PXE(func) \
@@ -98,16 +87,11 @@
 
 #ifndef CONFIG_SPL_BUILD
 #include <environment/ti/dfu.h>
-#include <environment/ti/mmc.h>
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	DEFAULT_LINUX_BOOT_ENV \
-	DEFAULT_MMC_TI_ARGS \
-	DEFAULT_FIT_TI_ARGS \
-	"bootpart=0:2\0" \
-	"bootdir=/boot\0" \
-	"bootfile=zImage\0" \
 	"fdtfile=undefined\0" \
+	"finduuid=part uuid mmc 0:2 uuid\0" \
 	"console=ttyO0,115200n8\0" \
 	"partitions=" \
 		"uuid_disk=${uuid_gpt_disk};" \

include/configs/am335x_guardian.h

@@ -29,6 +29,7 @@
 #define MEM_LAYOUT_ENV_SETTINGS \
 	"scriptaddr=0x80000000\0" \
 	"pxefile_addr_r=0x80100000\0" \
+	"tftp_load_addr=0x82000000\0" \
 	"kernel_addr_r=0x82000000\0" \
 	"fdt_addr_r=0x88000000\0" \
 	"ramdisk_addr_r=0x88080000\0" \
@@ -57,19 +58,20 @@
 	MEM_LAYOUT_ENV_SETTINGS \
 	BOOTENV \
 	GUARDIAN_DEFAULT_PROD_ENV \
+	"autoload=no\0" \
+	"backlight_brightness=50\0" \
 	"bootubivol=rootfs\0" \
 	"distro_bootcmd=" \
-		"setenv autoload no; " \
 		"setenv rootflags \"bulk_read,chk_data_crc\"; " \
 		"setenv ethact usb_ether; " \
 		"if test \"${swi_status}\" -eq 1; then " \
-		  "setenv extrabootargs \"swi_attached\"; " \
 		  "if dhcp; then " \
 		    "sleep 1; " \
 		    "if tftp \"${tftp_load_addr}\" \"bootscript.scr\"; then " \
 		      "source \"${tftp_load_addr}\"; " \
 		    "fi; " \
 		  "fi; " \
+		  "setenv extrabootargs $extrabootargs \"swi_attached\"; " \
 		"fi;" \
 		"run bootcmd_ubifs0;\0" \
 	"altbootcmd=" \
@@ -80,6 +82,17 @@
 
 #endif /* ! CONFIG_SPL_BUILD */
 
+#define CONFIG_BMP_16BPP
+#define SPLASH_SCREEN_NAND_PART "nand0,10"
+#define SPLASH_SCREEN_BMP_FILE_SIZE 0x26000
+#define SPLASH_SCREEN_BMP_LOAD_ADDR 0x82000000
+#define SPLASH_SCREEN_TEXT "U-Boot"
+
+/* BGR 16Bit Color Definitions */
+#define CONSOLE_COLOR_BLACK 0x0000
+#define CONSOLE_COLOR_WHITE 0xFFFF
+#define CONSOLE_COLOR_RED 0x001F
+
 /* NS16550 Configuration */
 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
 #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */

include/configs/am43xx_evm.h

@@ -108,59 +108,41 @@
 #define DFUARGS
 #endif
 
+#define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
+	"bootcmd_" #devtypel "=" \
+	"run nandboot\0"
+
+#define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
+	#devtypel #instance " "
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(USB, usb, 0) \
+	func(NAND, nand, 0) \
+	func(PXE, pxe, na) \
+	func(DHCP, dhcp, na)
+
+#include <config_distro_bootcmd.h>
+
 #ifndef CONFIG_SPL_BUILD
 #include <environment/ti/dfu.h>
-#include <environment/ti/mmc.h>
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	DEFAULT_LINUX_BOOT_ENV \
-	DEFAULT_MMC_TI_ARGS \
-	DEFAULT_FIT_TI_ARGS \
 	"fdtfile=undefined\0" \
-	"bootpart=0:2\0" \
+	"finduuid=part uuid mmc 0:2 uuid\0" \
-	"bootdir=/boot\0" \
-	"bootfile=zImage\0" \
 	"console=ttyO0,115200n8\0" \
 	"partitions=" \
 		"uuid_disk=${uuid_gpt_disk};" \
 		"name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
 	"optargs=\0" \
-	"usbroot=/dev/sda2 rw\0" \
-	"usbrootfstype=ext4 rootwait\0" \
-	"usbdev=0\0" \
 	"ramroot=/dev/ram0 rw\0" \
 	"ramrootfstype=ext2\0" \
-	"usbargs=setenv bootargs console=${console} " \
-		"${optargs} " \
-		"root=${usbroot} " \
-		"rootfstype=${usbrootfstype}\0" \
 	"ramargs=setenv bootargs console=${console} " \
 		"${optargs} " \
 		"root=${ramroot} " \
 		"rootfstype=${ramrootfstype}\0" \
 	"loadramdisk=load ${devtype} ${devnum} ${rdaddr} ramdisk.gz\0" \
-	"usbboot=" \
-		"setenv devnum ${usbdev}; " \
-		"setenv devtype usb; " \
-		"usb start ${usbdev}; " \
-		"if usb dev ${usbdev}; then " \
-			"if run loadbootenv; then " \
-				"echo Loaded environment from ${bootenv};" \
-				"run importbootenv;" \
-			"fi;" \
-			"if test -n $uenvcmd; then " \
-				"echo Running uenvcmd ...;" \
-				"run uenvcmd;" \
-			"fi;" \
-			"if run loadimage; then " \
-				"run loadfdt; " \
-				"echo Booting from usb ${usbdev}...; " \
-				"run usbargs;" \
-				"bootz ${loadaddr} - ${fdtaddr}; " \
-			"fi;" \
-		"fi\0" \
-		"fi;" \
-		"usb stop ${usbdev};\0" \
 	"findfdt="\
 		"if test $board_name = AM43EPOS; then " \
 			"setenv fdtfile am43x-epos-evm.dtb; fi; " \
@@ -177,16 +159,7 @@
 	NANDARGS \
 	NETARGS \
 	DFUARGS \
-
+	BOOTENV
-#define CONFIG_BOOTCOMMAND \
-	"if test ${boot_fit} -eq 1; then "	\
-		"run update_to_fit;"	\
-	"fi;"	\
-	"run findfdt; " \
-	"run envboot;" \
-	"run mmcboot;" \
-	"run usbboot;" \
-	NANDBOOT \
 
 #endif
 

include/configs/am65x_evm.h

@@ -10,7 +10,6 @@
 #define __CONFIG_AM654_EVM_H
 
 #include <linux/sizes.h>
-#include <config_distro_bootcmd.h>
 #include <environment/ti/mmc.h>
 #include <environment/ti/k3_rproc.h>
 #include <environment/ti/k3_dfu.h>
@@ -126,6 +125,16 @@
 	DFU_ALT_INFO_EMMC						\
 	DFU_ALT_INFO_OSPI
 
+#ifdef CONFIG_TARGET_AM654_A53_EVM
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 1) \
+	func(MMC, mmc, 0)
+
+#include <config_distro_bootcmd.h>
+#else
+#define BOOTENV
+#endif
+
 /* Incorporate settings into the U-Boot environment */
 #define CONFIG_EXTRA_ENV_SETTINGS					\
 	DEFAULT_LINUX_BOOT_ENV						\
@@ -136,7 +145,8 @@
 	EXTRA_ENV_AM65X_BOARD_SETTINGS_MTD				\
 	EXTRA_ENV_AM65X_BOARD_SETTINGS_UBI				\
 	EXTRA_ENV_RPROC_SETTINGS					\
-	EXTRA_ENV_DFUARGS
+	EXTRA_ENV_DFUARGS						\
+	BOOTENV
 
 #define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1
 

include/configs/j721e_evm.h

@@ -10,7 +10,6 @@
 #define __CONFIG_J721E_EVM_H
 
 #include <linux/sizes.h>
-#include <config_distro_bootcmd.h>
 #include <environment/ti/mmc.h>
 #include <environment/ti/k3_rproc.h>
 #include <environment/ti/ufs.h>
@@ -160,6 +159,26 @@
 #define EXTRA_ENV_J721E_BOARD_SETTINGS_MTD
 #endif
 
+#if CONFIG_IS_ENABLED(CMD_PXE)
+# define BOOT_TARGET_PXE(func) func(PXE, pxe, na)
+#else
+# define BOOT_TARGET_PXE(func)
+#endif
+
+#if CONFIG_IS_ENABLED(CMD_DHCP)
+# define BOOT_TARGET_DHCP(func) func(DHCP, dhcp, na)
+#else
+# define BOOT_TARGET_DHCP(func)
+#endif
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 1) \
+	func(MMC, mmc, 0) \
+	BOOT_TARGET_PXE(func) \
+	BOOT_TARGET_DHCP(func)
+
+#include <config_distro_bootcmd.h>
+
 /* Incorporate settings into the U-Boot environment */
 #define CONFIG_EXTRA_ENV_SETTINGS					\
 	DEFAULT_LINUX_BOOT_ENV						\
@@ -170,7 +189,8 @@
 	EXTRA_ENV_RPROC_SETTINGS					\
 	EXTRA_ENV_DFUARGS						\
 	DEFAULT_UFS_TI_ARGS						\
-	EXTRA_ENV_J721E_BOARD_SETTINGS_MTD
+	EXTRA_ENV_J721E_BOARD_SETTINGS_MTD				\
+	BOOTENV
 
 /* Now for the remaining common defines */
 #include <configs/ti_armv7_common.h>

include/configs/nokia_rx51.h

@@ -129,32 +129,22 @@ int rx51_kp_getc(struct stdio_dev *sdev);
 	"scriptboot=echo Running ${mmcscriptfile} from mmc " \
 		"${mmcnum}:${mmcpart} ...; source ${scriptaddr}\0" \
 	"kernboot=echo Booting ${mmckernfile} from mmc " \
-		"${mmcnum}:${mmcpart} ...; bootm ${kernaddr}\0" \
+		"${mmcnum}:${mmcpart} ...; bootm ${kernaddr} || " \
+			"bootz ${kernaddr}\0" \
 	"kerninitrdboot=echo Booting ${mmckernfile} ${mmcinitrdfile} from mmc "\
-		"${mmcnum}:${mmcpart} ...; bootm ${kernaddr} ${initrdaddr}\0" \
+		"${mmcnum}:${mmcpart} ...; bootm ${kernaddr} ${initrdaddr} || " \
+			"bootz ${kernaddr} ${initrdaddr}\0" \
 	"attachboot=echo Booting attached kernel image ...;" \
 		"setenv setup_omap_atag 1;" \
-		"bootm ${attkernaddr};" \
+		"bootm ${attkernaddr} || bootz ${attkernaddr};" \
 		"setenv setup_omap_atag\0" \
-	"trymmcscriptboot=if run switchmmc; then " \
+	"trymmcscriptboot=run switchmmc && run scriptload && run scriptboot\0" \
-			"if run scriptload; then " \
+	"trymmckernboot=run switchmmc && run kernload && run kernboot\0" \
-				"run scriptboot;" \
+	"trymmckerninitrdboot=run switchmmc && run initrdload && " \
-			"fi;" \
+		"run kernload && run kerninitrdboot\0" \
-		"fi\0" \
-	"trymmckernboot=if run switchmmc; then " \
-			"if run kernload; then " \
-				"run kernboot;" \
-			"fi;" \
-		"fi\0" \
-	"trymmckerninitrdboot=if run switchmmc; then " \
-			"if run initrdload; then " \
-				"if run kernload; then " \
-					"run kerninitrdboot;" \
-				"fi;" \
-			"fi; " \
-		"fi\0" \
 	"trymmcpartboot=setenv mmcscriptfile boot.scr; run trymmcscriptboot;" \
-		"setenv mmckernfile uImage; run trymmckernboot\0" \
+		"setenv mmckernfile uImage; run trymmckernboot;" \
+		"setenv mmckernfile zImage; run trymmckernboot\0" \
 	"trymmcallpartboot=setenv mmcpart 1; run trymmcpartboot;" \
 		"setenv mmcpart 2; run trymmcpartboot;" \
 		"setenv mmcpart 3; run trymmcpartboot;" \
@@ -167,15 +157,11 @@ int rx51_kp_getc(struct stdio_dev *sdev);
 		"fi\0" \
 	"emmcboot=setenv mmcnum 1; run trymmcboot\0" \
 	"sdboot=setenv mmcnum 0; run trymmcboot\0" \
-	"preboot=setenv mmcnum 1; setenv mmcpart 1;" \
+	"trymmcbootmenu=setenv mmctype fat && run trymmcscriptboot || " \
-		"setenv mmcscriptfile bootmenu.scr;" \
+		"setenv mmctype ext4 && run trymmcscriptboot\0" \
-		"if run switchmmc; then " \
+	"preboot=setenv mmcpart 1; setenv mmcscriptfile bootmenu.scr;" \
-			"setenv mmctype fat;" \
+		"setenv mmcnum 0 && run trymmcbootmenu || " \
-			"if run scriptload; then run scriptboot; else " \
+		"setenv mmcnum 1 && run trymmcbootmenu;" \
-				"setenv mmctype ext4;" \
-				"if run scriptload; then run scriptboot; fi;" \
-			"fi;" \
-		"fi;" \
 		"if run slide; then true; else " \
 			"setenv bootmenu_delay 0;" \
 			"setenv bootdelay 0;" \

include/configs/ti_omap4_common.h

@@ -51,12 +51,6 @@
 #define CONFIG_TWL6030_POWER		1
 #endif
 
-/* USB */
-
-/* USB device configuration */
-#define CONFIG_USB_DEVICE		1
-#define CONFIG_USB_TTY			1
-
 /*
  * Environment setup
  */

include/configs/ti_omap5_common.h

@@ -32,6 +32,8 @@
 
 #define CONFIG_PALMAS_POWER
 
+#include <linux/stringify.h>
+
 #include <asm/arch/cpu.h>
 #include <asm/arch/omap.h>
 
@@ -54,10 +56,233 @@
 #define DFUARGS
 #endif
 
-#include <environment/ti/boot.h>
 #include <environment/ti/mmc.h>
 #include <environment/ti/nand.h>
 
+#ifndef CONSOLEDEV
+#define CONSOLEDEV "ttyS2"
+#endif
+
+#ifndef PARTS_DEFAULT
+/*
+ * Default GPT tables for eMMC (Linux and Android). Notes:
+ *   1. Keep partitions aligned to erase group size (512 KiB) when possible
+ *   2. Keep partitions in sync with DFU_ALT_INFO_EMMC (see dfu.h)
+ *   3. Keep 'bootloader' partition (U-Boot proper) start address in sync with
+ *      CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR (see common/spl/Kconfig)
+ */
+#define PARTS_DEFAULT \
+	/* Linux partitions */ \
+	"uuid_disk=${uuid_gpt_disk};" \
+	"name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \
+	"name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \
+	/* Android partitions */ \
+	"partitions_android=" \
+	"uuid_disk=${uuid_gpt_disk};" \
+	"name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \
+	"name=bootloader,size=2048K,uuid=${uuid_gpt_bootloader};" \
+	"name=uboot-env,start=2432K,size=256K,uuid=${uuid_gpt_reserved};" \
+	"name=misc,size=128K,uuid=${uuid_gpt_misc};" \
+	"name=boot_a,size=20M,uuid=${uuid_gpt_boot_a};" \
+	"name=boot_b,size=20M,uuid=${uuid_gpt_boot_b};" \
+	"name=dtbo_a,size=8M,uuid=${uuid_gpt_dtbo_a};" \
+	"name=dtbo_b,size=8M,uuid=${uuid_gpt_dtbo_b};" \
+	"name=vbmeta_a,size=64K,uuid=${uuid_gpt_vbmeta_a};" \
+	"name=vbmeta_b,size=64K,uuid=${uuid_gpt_vbmeta_b};" \
+	"name=recovery,size=64M,uuid=${uuid_gpt_recovery};" \
+	"name=super,size=2560M,uuid=${uuid_gpt_super};" \
+	"name=metadata,size=16M,uuid=${uuid_gpt_metadata};" \
+	"name=userdata,size=-,uuid=${uuid_gpt_userdata}"
+#endif /* PARTS_DEFAULT */
+
+#if defined(CONFIG_CMD_AVB)
+#define AVB_VERIFY_CHECK "if run avb_verify; then " \
+				"echo AVB verification OK.;" \
+				"set bootargs $bootargs $avb_bootargs;" \
+			"else " \
+				"echo AVB verification failed.;" \
+			"exit; fi;"
+#define AVB_VERIFY_CMD "avb_verify=avb init 1; avb verify $slot_suffix;\0"
+#else
+#define AVB_VERIFY_CHECK ""
+#define AVB_VERIFY_CMD ""
+#endif
+
+#define CONTROL_PARTITION "misc"
+
+#if defined(CONFIG_CMD_AB_SELECT)
+#define AB_SELECT_SLOT \
+	"if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \
+	"then " \
+		"echo " CONTROL_PARTITION \
+			" partition number:${control_part_number};" \
+		"ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
+	"else " \
+		"echo " CONTROL_PARTITION " partition not found;" \
+		"exit;" \
+	"fi;" \
+	"setenv slot_suffix _${slot_name};"
+#define AB_SELECT_ARGS \
+	"setenv bootargs_ab androidboot.slot_suffix=${slot_suffix}; " \
+	"echo A/B cmdline addition: ${bootargs_ab};" \
+	"setenv bootargs ${bootargs} ${bootargs_ab};"
+#else
+#define AB_SELECT_SLOT ""
+#define AB_SELECT_ARGS ""
+#endif
+
+/*
+ * Prepares complete device tree blob for current board (for Android boot).
+ *
+ * Boot image or recovery image should be loaded into $loadaddr prior to running
+ * these commands. The logic of these commnads is next:
+ *
+ *   1. Read correct DTB for current SoC/board from boot image in $loadaddr
+ *      to $fdtaddr
+ *   2. Merge all needed DTBO for current board from 'dtbo' partition into read
+ *      DTB
+ *   3. User should provide $fdtaddr as 3rd argument to 'bootm'
+ */
+#define PREPARE_FDT \
+	"echo Preparing FDT...; " \
+	"if test $board_name = am57xx_evm_reva3; then " \
+		"echo \"  Reading DTBO partition...\"; " \
+		"part start mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_start; " \
+		"part size mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_size; " \
+		"mmc read ${dtboaddr} ${p_dtbo_start} ${p_dtbo_size}; " \
+		"echo \"  Reading DTB for AM57x EVM RevA3...\"; " \
+		"abootimg get dtb --index=0 dtb_start dtb_size; " \
+		"cp.b $dtb_start $fdtaddr $dtb_size; " \
+		"fdt addr $fdtaddr 0x80000; " \
+		"echo \"  Applying DTBOs for AM57x EVM RevA3...\"; " \
+		"adtimg addr $dtboaddr; " \
+		"adtimg get dt --index=0 dtbo0_addr dtbo0_size; " \
+		"fdt apply $dtbo0_addr; " \
+		"adtimg get dt --index=1 dtbo1_addr dtbo1_size; " \
+		"fdt apply $dtbo1_addr; " \
+	"elif test $board_name = beagle_x15_revc; then " \
+		"echo \"  Reading DTB for Beagle X15 RevC...\"; " \
+		"abootimg get dtb --index=0 dtb_start dtb_size; " \
+		"cp.b $dtb_start $fdtaddr $dtb_size; " \
+		"fdt addr $fdtaddr 0x80000; " \
+	"else " \
+		"echo Error: Android boot is not supported for $board_name; " \
+		"exit; " \
+	"fi; " \
+
+#define FASTBOOT_CMD \
+	"echo Booting into fastboot ...; " \
+	"fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; "
+
+#define DEFAULT_COMMON_BOOT_TI_ARGS \
+	"console=" CONSOLEDEV ",115200n8\0" \
+	"fdtfile=undefined\0" \
+	"finduuid=part uuid mmc 0:2 uuid\0" \
+	"usbtty=cdc_acm\0" \
+	"vram=16M\0" \
+	AVB_VERIFY_CMD \
+	"partitions=" PARTS_DEFAULT "\0" \
+	"optargs=\0" \
+	"dofastboot=0\0" \
+	"emmc_android_boot=" \
+		"setenv mmcdev 1; " \
+		"mmc dev $mmcdev; " \
+		"mmc rescan; " \
+		AB_SELECT_SLOT \
+		"if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \
+		CONTROL_PARTITION "; then " \
+			"setenv ardaddr -; " \
+			"if bcb test command = bootonce-bootloader; then " \
+				"echo Android: Bootloader boot...; " \
+				"bcb clear command; bcb store; " \
+				FASTBOOT_CMD \
+				"exit; " \
+			"elif bcb test command = boot-recovery; then " \
+				"echo Android: Recovery boot...; " \
+				"setenv ardaddr $loadaddr;" \
+				"setenv apart recovery; " \
+			"else " \
+				"echo Android: Normal boot...; " \
+				"setenv ardaddr $loadaddr; " \
+				"setenv apart boot${slot_suffix}; " \
+			"fi; " \
+		"else " \
+			"echo Warning: BCB is corrupted or does not exist; " \
+			"echo Android: Normal boot...; " \
+		"fi; " \
+		"setenv eval_bootargs setenv bootargs $bootargs; " \
+		"run eval_bootargs; " \
+		"setenv machid fe6; " \
+		AVB_VERIFY_CHECK \
+		AB_SELECT_ARGS \
+		"if part start mmc $mmcdev $apart boot_start; then " \
+			"part size mmc $mmcdev $apart boot_size; " \
+			"mmc read $loadaddr $boot_start $boot_size; " \
+			PREPARE_FDT \
+			"bootm $loadaddr $ardaddr $fdtaddr; " \
+		"else " \
+			"echo $apart partition not found; " \
+			"exit; " \
+		"fi;\0"
+
+#define DEFAULT_FDT_TI_ARGS \
+	"findfdt="\
+		"if test $board_name = omap5_uevm; then " \
+			"setenv fdtfile omap5-uevm.dtb; fi; " \
+		"if test $board_name = dra7xx; then " \
+			"setenv fdtfile dra7-evm.dtb; fi;" \
+		"if test $board_name = dra72x-revc; then " \
+			"setenv fdtfile dra72-evm-revc.dtb; fi;" \
+		"if test $board_name = dra72x; then " \
+			"setenv fdtfile dra72-evm.dtb; fi;" \
+		"if test $board_name = dra71x; then " \
+			"setenv fdtfile dra71-evm.dtb; fi;" \
+		"if test $board_name = dra76x_acd; then " \
+			"setenv fdtfile dra76-evm.dtb; fi;" \
+		"if test $board_name = beagle_x15; then " \
+			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
+		"if test $board_name = beagle_x15_revb1; then " \
+			"setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \
+		"if test $board_name = beagle_x15_revc; then " \
+			"setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \
+		"if test $board_name = am5729_beagleboneai; then " \
+			"setenv fdtfile am5729-beagleboneai.dtb; fi;" \
+		"if test $board_name = am572x_idk; then " \
+			"setenv fdtfile am572x-idk.dtb; fi;" \
+		"if test $board_name = am574x_idk; then " \
+			"setenv fdtfile am574x-idk.dtb; fi;" \
+		"if test $board_name = am57xx_evm; then " \
+			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
+		"if test $board_name = am57xx_evm_reva3; then " \
+			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
+		"if test $board_name = am571x_idk; then " \
+			"setenv fdtfile am571x-idk.dtb; fi;" \
+		"if test $fdtfile = undefined; then " \
+			"echo WARNING: Could not determine device tree to use; fi; \0"
+
+#define CONFIG_BOOTCOMMAND \
+	"if test ${dofastboot} -eq 1; then " \
+		"echo Boot fastboot requested, resetting dofastboot ...;" \
+		"setenv dofastboot 0; saveenv;" \
+		FASTBOOT_CMD \
+	"fi;" \
+	"if test ${boot_fit} -eq 1; then "	\
+		"run update_to_fit;"	\
+	"fi;"	\
+	"run findfdt; " \
+	"run finduuid; " \
+	"run distro_bootcmd;" \
+	"run emmc_android_boot; " \
+	""
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(MMC, mmc, 1) \
+	func(PXE, pxe, na) \
+	func(DHCP, dhcp, na)
+
+#include <config_distro_bootcmd.h>
+
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	DEFAULT_LINUX_BOOT_ENV \
 	DEFAULT_MMC_TI_ARGS \
@@ -67,6 +292,7 @@
 	DFUARGS \
 	NETARGS \
 	NANDARGS \
+	BOOTENV
 
 /*
  * SPL related defines.  The Public RAM memory map the ROM defines the

include/environment/ti/boot.h

@@ -1,243 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Boot related environment variable definitions on TI boards.
- *
- * (C) Copyright 2017 Linaro Ltd.
- * Sam Protsenko <semen.protsenko@linaro.org>
- */
-
-#ifndef __TI_BOOT_H
-#define __TI_BOOT_H
-
-#include <linux/stringify.h>
-
-#ifndef CONSOLEDEV
-#define CONSOLEDEV "ttyS2"
-#endif
-
-#ifndef PARTS_DEFAULT
-/*
- * Default GPT tables for eMMC (Linux and Android). Notes:
- *   1. Keep partitions aligned to erase group size (512 KiB) when possible
- *   2. Keep partitions in sync with DFU_ALT_INFO_EMMC (see dfu.h)
- *   3. Keep 'bootloader' partition (U-Boot proper) start address in sync with
- *      CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR (see common/spl/Kconfig)
- */
-#define PARTS_DEFAULT \
-	/* Linux partitions */ \
-	"uuid_disk=${uuid_gpt_disk};" \
-	"name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \
-	"name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \
-	/* Android partitions */ \
-	"partitions_android=" \
-	"uuid_disk=${uuid_gpt_disk};" \
-	"name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \
-	"name=bootloader,size=2048K,uuid=${uuid_gpt_bootloader};" \
-	"name=uboot-env,start=2432K,size=256K,uuid=${uuid_gpt_reserved};" \
-	"name=misc,size=128K,uuid=${uuid_gpt_misc};" \
-	"name=boot_a,size=20M,uuid=${uuid_gpt_boot_a};" \
-	"name=boot_b,size=20M,uuid=${uuid_gpt_boot_b};" \
-	"name=dtbo_a,size=8M,uuid=${uuid_gpt_dtbo_a};" \
-	"name=dtbo_b,size=8M,uuid=${uuid_gpt_dtbo_b};" \
-	"name=vbmeta_a,size=64K,uuid=${uuid_gpt_vbmeta_a};" \
-	"name=vbmeta_b,size=64K,uuid=${uuid_gpt_vbmeta_b};" \
-	"name=recovery,size=64M,uuid=${uuid_gpt_recovery};" \
-	"name=super,size=2560M,uuid=${uuid_gpt_super};" \
-	"name=metadata,size=16M,uuid=${uuid_gpt_metadata};" \
-	"name=userdata,size=-,uuid=${uuid_gpt_userdata}"
-#endif /* PARTS_DEFAULT */
-
-#if defined(CONFIG_CMD_AVB)
-#define AVB_VERIFY_CHECK "if run avb_verify; then " \
-				"echo AVB verification OK.;" \
-				"set bootargs $bootargs $avb_bootargs;" \
-			"else " \
-				"echo AVB verification failed.;" \
-			"exit; fi;"
-#define AVB_VERIFY_CMD "avb_verify=avb init 1; avb verify $slot_suffix;\0"
-#else
-#define AVB_VERIFY_CHECK ""
-#define AVB_VERIFY_CMD ""
-#endif
-
-#define CONTROL_PARTITION "misc"
-
-#if defined(CONFIG_CMD_AB_SELECT)
-#define AB_SELECT_SLOT \
-	"if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \
-	"then " \
-		"echo " CONTROL_PARTITION \
-			" partition number:${control_part_number};" \
-		"ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
-	"else " \
-		"echo " CONTROL_PARTITION " partition not found;" \
-		"exit;" \
-	"fi;" \
-	"setenv slot_suffix _${slot_name};"
-#define AB_SELECT_ARGS \
-	"setenv bootargs_ab androidboot.slot_suffix=${slot_suffix}; " \
-	"echo A/B cmdline addition: ${bootargs_ab};" \
-	"setenv bootargs ${bootargs} ${bootargs_ab};"
-#else
-#define AB_SELECT_SLOT ""
-#define AB_SELECT_ARGS ""
-#endif
-
-/*
- * Prepares complete device tree blob for current board (for Android boot).
- *
- * Boot image or recovery image should be loaded into $loadaddr prior to running
- * these commands. The logic of these commnads is next:
- *
- *   1. Read correct DTB for current SoC/board from boot image in $loadaddr
- *      to $fdtaddr
- *   2. Merge all needed DTBO for current board from 'dtbo' partition into read
- *      DTB
- *   3. User should provide $fdtaddr as 3rd argument to 'bootm'
- */
-#define PREPARE_FDT \
-	"echo Preparing FDT...; " \
-	"if test $board_name = am57xx_evm_reva3; then " \
-		"echo \"  Reading DTBO partition...\"; " \
-		"part start mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_start; " \
-		"part size mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_size; " \
-		"mmc read ${dtboaddr} ${p_dtbo_start} ${p_dtbo_size}; " \
-		"echo \"  Reading DTB for AM57x EVM RevA3...\"; " \
-		"abootimg get dtb --index=0 dtb_start dtb_size; " \
-		"cp.b $dtb_start $fdtaddr $dtb_size; " \
-		"fdt addr $fdtaddr 0x80000; " \
-		"echo \"  Applying DTBOs for AM57x EVM RevA3...\"; " \
-		"adtimg addr $dtboaddr; " \
-		"adtimg get dt --index=0 dtbo0_addr dtbo0_size; " \
-		"fdt apply $dtbo0_addr; " \
-		"adtimg get dt --index=1 dtbo1_addr dtbo1_size; " \
-		"fdt apply $dtbo1_addr; " \
-	"elif test $board_name = beagle_x15_revc; then " \
-		"echo \"  Reading DTB for Beagle X15 RevC...\"; " \
-		"abootimg get dtb --index=0 dtb_start dtb_size; " \
-		"cp.b $dtb_start $fdtaddr $dtb_size; " \
-		"fdt addr $fdtaddr 0x80000; " \
-	"else " \
-		"echo Error: Android boot is not supported for $board_name; " \
-		"exit; " \
-	"fi; " \
-
-#define FASTBOOT_CMD \
-	"echo Booting into fastboot ...; " \
-	"fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; "
-
-#define DEFAULT_COMMON_BOOT_TI_ARGS \
-	"console=" CONSOLEDEV ",115200n8\0" \
-	"fdtfile=undefined\0" \
-	"bootpart=0:2\0" \
-	"bootdir=/boot\0" \
-	"bootfile=zImage\0" \
-	"usbtty=cdc_acm\0" \
-	"vram=16M\0" \
-	AVB_VERIFY_CMD \
-	"partitions=" PARTS_DEFAULT "\0" \
-	"optargs=\0" \
-	"dofastboot=0\0" \
-	"emmc_linux_boot=" \
-		"echo Trying to boot Linux from eMMC ...; " \
-		"setenv mmcdev 1; " \
-		"setenv bootpart 1:2; " \
-		"setenv mmcroot /dev/mmcblk0p2 rw; " \
-		"run mmcboot;\0" \
-	"emmc_android_boot=" \
-		"setenv mmcdev 1; " \
-		"mmc dev $mmcdev; " \
-		"mmc rescan; " \
-		AB_SELECT_SLOT \
-		"if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \
-		CONTROL_PARTITION "; then " \
-			"setenv ardaddr -; " \
-			"if bcb test command = bootonce-bootloader; then " \
-				"echo Android: Bootloader boot...; " \
-				"bcb clear command; bcb store; " \
-				FASTBOOT_CMD \
-				"exit; " \
-			"elif bcb test command = boot-recovery; then " \
-				"echo Android: Recovery boot...; " \
-				"setenv ardaddr $loadaddr;" \
-				"setenv apart recovery; " \
-			"else " \
-				"echo Android: Normal boot...; " \
-				"setenv ardaddr $loadaddr; " \
-				"setenv apart boot${slot_suffix}; " \
-			"fi; " \
-		"else " \
-			"echo Warning: BCB is corrupted or does not exist; " \
-			"echo Android: Normal boot...; " \
-		"fi; " \
-		"setenv eval_bootargs setenv bootargs $bootargs; " \
-		"run eval_bootargs; " \
-		"setenv machid fe6; " \
-		AVB_VERIFY_CHECK \
-		AB_SELECT_ARGS \
-		"if part start mmc $mmcdev $apart boot_start; then " \
-			"part size mmc $mmcdev $apart boot_size; " \
-			"mmc read $loadaddr $boot_start $boot_size; " \
-			PREPARE_FDT \
-			"bootm $loadaddr $ardaddr $fdtaddr; " \
-		"else " \
-			"echo $apart partition not found; " \
-			"exit; " \
-		"fi;\0"
-
-#ifdef CONFIG_OMAP54XX
-
-#define DEFAULT_FDT_TI_ARGS \
-	"findfdt="\
-		"if test $board_name = omap5_uevm; then " \
-			"setenv fdtfile omap5-uevm.dtb; fi; " \
-		"if test $board_name = dra7xx; then " \
-			"setenv fdtfile dra7-evm.dtb; fi;" \
-		"if test $board_name = dra72x-revc; then " \
-			"setenv fdtfile dra72-evm-revc.dtb; fi;" \
-		"if test $board_name = dra72x; then " \
-			"setenv fdtfile dra72-evm.dtb; fi;" \
-		"if test $board_name = dra71x; then " \
-			"setenv fdtfile dra71-evm.dtb; fi;" \
-		"if test $board_name = dra76x_acd; then " \
-			"setenv fdtfile dra76-evm.dtb; fi;" \
-		"if test $board_name = beagle_x15; then " \
-			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
-		"if test $board_name = beagle_x15_revb1; then " \
-			"setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \
-		"if test $board_name = beagle_x15_revc; then " \
-			"setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \
-		"if test $board_name = am5729_beagleboneai; then " \
-			"setenv fdtfile am5729-beagleboneai.dtb; fi;" \
-		"if test $board_name = am572x_idk; then " \
-			"setenv fdtfile am572x-idk.dtb; fi;" \
-		"if test $board_name = am574x_idk; then " \
-			"setenv fdtfile am574x-idk.dtb; fi;" \
-		"if test $board_name = am57xx_evm; then " \
-			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
-		"if test $board_name = am57xx_evm_reva3; then " \
-			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
-		"if test $board_name = am571x_idk; then " \
-			"setenv fdtfile am571x-idk.dtb; fi;" \
-		"if test $fdtfile = undefined; then " \
-			"echo WARNING: Could not determine device tree to use; fi; \0"
-
-#define CONFIG_BOOTCOMMAND \
-	"if test ${dofastboot} -eq 1; then " \
-		"echo Boot fastboot requested, resetting dofastboot ...;" \
-		"setenv dofastboot 0; saveenv;" \
-		FASTBOOT_CMD \
-	"fi;" \
-	"if test ${boot_fit} -eq 1; then "	\
-		"run update_to_fit;"	\
-	"fi;"	\
-	"run findfdt; " \
-	"run envboot; " \
-	"run mmcboot;" \
-	"run emmc_linux_boot; " \
-	"run emmc_android_boot; " \
-	""
-
-#endif /* CONFIG_OMAP54XX */
-
-#endif /* __TI_BOOT_H */

include/linux/pruss_driver.h

@@ -0,0 +1,227 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __TI_PRUSS_H
+#define __TI_PRUSS_H
+
+/*
+ * PRU_ICSS_CFG registers
+ * SYSCFG, ISRP, ISP, IESP, IECP, SCRP applicable on AMxxxx devices only
+ */
+#define PRUSS_CFG_REVID		0x00
+#define PRUSS_CFG_SYSCFG	0x04
+#define PRUSS_CFG_GPCFG(x)	(0x08 + (x) * 4)
+#define PRUSS_CFG_CGR		0x10
+#define PRUSS_CFG_ISRP		0x14
+#define PRUSS_CFG_ISP		0x18
+#define PRUSS_CFG_IESP		0x1C
+#define PRUSS_CFG_IECP		0x20
+#define PRUSS_CFG_SCRP		0x24
+#define PRUSS_CFG_PMAO		0x28
+#define PRUSS_CFG_MII_RT	0x2C
+#define PRUSS_CFG_IEPCLK	0x30
+#define PRUSS_CFG_SPP		0x34
+#define PRUSS_CFG_PIN_MX	0x40
+
+/* PRUSS_GPCFG register bits */
+#define PRUSS_GPCFG_PRU_GPO_SH_SEL		BIT(25)
+
+#define PRUSS_GPCFG_PRU_DIV1_SHIFT		20
+#define PRUSS_GPCFG_PRU_DIV1_MASK		GENMASK(24, 20)
+
+#define PRUSS_GPCFG_PRU_DIV0_SHIFT		15
+#define PRUSS_GPCFG_PRU_DIV0_MASK		GENMASK(15, 19)
+
+#define PRUSS_GPCFG_PRU_GPO_MODE		BIT(14)
+#define PRUSS_GPCFG_PRU_GPO_MODE_DIRECT		0
+#define PRUSS_GPCFG_PRU_GPO_MODE_SERIAL		BIT(14)
+
+#define PRUSS_GPCFG_PRU_GPI_SB			BIT(13)
+
+#define PRUSS_GPCFG_PRU_GPI_DIV1_SHIFT		8
+#define PRUSS_GPCFG_PRU_GPI_DIV1_MASK		GENMASK(12, 8)
+
+#define PRUSS_GPCFG_PRU_GPI_DIV0_SHIFT		3
+#define PRUSS_GPCFG_PRU_GPI_DIV0_MASK		GENMASK(7, 3)
+
+#define PRUSS_GPCFG_PRU_GPI_CLK_MODE_POSITIVE	0
+#define PRUSS_GPCFG_PRU_GPI_CLK_MODE_NEGATIVE	BIT(2)
+#define PRUSS_GPCFG_PRU_GPI_CLK_MODE		BIT(2)
+
+#define PRUSS_GPCFG_PRU_GPI_MODE_MASK		GENMASK(1, 0)
+#define PRUSS_GPCFG_PRU_GPI_MODE_SHIFT		0
+
+#define PRUSS_GPCFG_PRU_MUX_SEL_SHIFT		26
+#define PRUSS_GPCFG_PRU_MUX_SEL_MASK		GENMASK(29, 26)
+
+/* PRUSS_MII_RT register bits */
+#define PRUSS_MII_RT_EVENT_EN			BIT(0)
+
+/* PRUSS_SPP register bits */
+#define PRUSS_SPP_PRU1_PAD_HP_EN		BIT(0)
+#define PRUSS_SPP_XFER_SHIFT_EN			BIT(1)
+#define PRUSS_SPP_XFR_BYTE_SHIFT_EN		BIT(2)
+#define PRUSS_SPP_RTU_XFR_SHIFT_EN		BIT(3)
+
+/**
+ * enum pruss_gp_mux_sel - PRUSS GPI/O Mux modes for the
+ * PRUSS_GPCFG0/1 registers
+ *
+ * NOTE: The below defines are the most common values, but there
+ * are some exceptions like on 66AK2G, where the RESERVED and MII2
+ * values are interchanged. Also, this bit-field does not exist on
+ * AM335x SoCs
+ */
+enum pruss_gp_mux_sel {
+	PRUSS_GP_MUX_SEL_GP = 0,
+	PRUSS_GP_MUX_SEL_ENDAT,
+	PRUSS_GP_MUX_SEL_RESERVED,
+	PRUSS_GP_MUX_SEL_SD,
+	PRUSS_GP_MUX_SEL_MII2,
+	PRUSS_GP_MUX_SEL_MAX,
+};
+
+/**
+ * enum pruss_gpi_mode - PRUSS GPI configuration modes, used
+ *			 to program the PRUSS_GPCFG0/1 registers
+ */
+enum pruss_gpi_mode {
+	PRUSS_GPI_MODE_DIRECT = 0,
+	PRUSS_GPI_MODE_PARALLEL,
+	PRUSS_GPI_MODE_28BIT_SHIFT,
+	PRUSS_GPI_MODE_MII,
+};
+
+/**
+ * enum pruss_pru_id - PRU core identifiers
+ */
+enum pruss_pru_id {
+	PRUSS_PRU0 = 0,
+	PRUSS_PRU1,
+	PRUSS_NUM_PRUS,
+};
+
+/**
+ * enum pru_ctable_idx - Configurable Constant table index identifiers
+ */
+enum pru_ctable_idx {
+	PRU_C24 = 0,
+	PRU_C25,
+	PRU_C26,
+	PRU_C27,
+	PRU_C28,
+	PRU_C29,
+	PRU_C30,
+	PRU_C31,
+};
+
+/**
+ * enum pruss_mem - PRUSS memory range identifiers
+ */
+enum pruss_mem {
+	PRUSS_MEM_DRAM0 = 0,
+	PRUSS_MEM_DRAM1,
+	PRUSS_MEM_SHRD_RAM2,
+	PRUSS_MEM_MAX,
+};
+
+/**
+ * struct pruss_mem_region - PRUSS memory region structure
+ * @va: kernel virtual address of the PRUSS memory region
+ * @pa: physical (bus) address of the PRUSS memory region
+ * @size: size of the PRUSS memory region
+ */
+struct pruss_mem_region {
+	void __iomem *va;
+	phys_addr_t pa;
+	size_t size;
+};
+
+/**
+ * struct pruss - PRUSS parent structure
+ * @dev: pruss device pointer
+ * @cfg: regmap for config region
+ * @mem_regions: data for each of the PRUSS memory regions
+ * @mem_in_use: to indicate if memory resource is in use
+ */
+struct pruss {
+	struct udevice *dev;
+	struct regmap *cfg;
+	struct pruss_mem_region mem_regions[PRUSS_MEM_MAX];
+	struct pruss_mem_region *mem_in_use[PRUSS_MEM_MAX];
+};
+
+int pruss_request_tm_region(struct udevice *dev, phys_addr_t *loc);
+int pruss_request_mem_region(struct udevice *dev, enum pruss_mem mem_id,
+			     struct pruss_mem_region *region);
+int pruss_release_mem_region(struct udevice *dev, struct pruss_mem_region *region);
+int pruss_cfg_update(struct udevice *dev, unsigned int reg,
+		     unsigned int mask, unsigned int val);
+
+/**
+ * pruss_cfg_gpimode() - set the GPI mode of the PRU
+ * @dev: the pruss device
+ * @pru_id: the rproc instance handle of the PRU
+ * @mode: GPI mode to set
+ *
+ * Sets the GPI mode for a given PRU by programming the
+ * corresponding PRUSS_CFG_GPCFGx register
+ *
+ * Returns 0 on success, or an error code otherwise
+ */
+static inline int pruss_cfg_gpimode(struct udevice *dev, enum pruss_pru_id id,
+				    enum pruss_gpi_mode mode)
+{
+	if (id < 0)
+		return -EINVAL;
+
+	return pruss_cfg_update(dev, PRUSS_CFG_GPCFG(id),
+				PRUSS_GPCFG_PRU_GPI_MODE_MASK,
+				mode << PRUSS_GPCFG_PRU_GPI_MODE_SHIFT);
+}
+
+/**
+ * pruss_cfg_miirt_enable() - Enable/disable MII RT Events
+ * @dev: the pruss device
+ * @enable: enable/disable
+ *
+ * Enable/disable the MII RT Events for the PRUSS.
+ */
+static inline int pruss_cfg_miirt_enable(struct udevice *dev, bool enable)
+{
+	u32 set = enable ? PRUSS_MII_RT_EVENT_EN : 0;
+
+	return pruss_cfg_update(dev, PRUSS_CFG_MII_RT,
+				PRUSS_MII_RT_EVENT_EN, set);
+}
+
+/**
+ * pruss_cfg_xfr_enable() - Enable/disable XIN XOUT shift functionality
+ * @dev: the pruss device
+ * @enable: enable/disable
+ */
+static inline int pruss_cfg_xfr_enable(struct udevice *dev, bool enable)
+{
+	u32 set = enable ? PRUSS_SPP_XFER_SHIFT_EN : 0;
+
+	return pruss_cfg_update(dev, PRUSS_CFG_SPP,
+			PRUSS_SPP_XFER_SHIFT_EN, set);
+}
+
+/**
+ * pruss_cfg_set_gpmux() - set the GPMUX value for a PRU device
+ * @pruss: pruss device
+ * @pru_id: PRU identifier (0-1)
+ * @mux: new mux value for PRU
+ */
+static inline int pruss_cfg_set_gpmux(struct udevice *dev,
+				      enum pruss_pru_id id, u8 mux)
+{
+	if (mux >= PRUSS_GP_MUX_SEL_MAX)
+		return -EINVAL;
+
+	return pruss_cfg_update(dev, PRUSS_CFG_GPCFG(id),
+			PRUSS_GPCFG_PRU_MUX_SEL_MASK,
+			(u32)mux << PRUSS_GPCFG_PRU_MUX_SEL_SHIFT);
+}
+
+#endif /* __TI_PRUSS_H */

include/power/tps65941.h

@@ -2,6 +2,7 @@
 #define TPS659412		0x1
 #define TPS659413		0x2
 #define TPS659414		0x3
+#define  LP876441		0x4
 
 /* I2C device address for pmic tps65941 */
 #define TPS65941_I2C_ADDR	(0x12 >> 1)

test/nokia_rx51_test.sh

@@ -18,6 +18,7 @@ echo '
 	mformat			(from mtools, homepage http://www.gnu.org/software/mtools/)
 	/usr/sbin/mkfs.ubifs	(from mtd-utils, homepage http://www.linux-mtd.infradead.org/)
 	/usr/sbin/ubinize	(from mtd-utils, homepage http://www.linux-mtd.infradead.org/)
+	/lib/ld-linux.so.2	(32-bit x86 version of LD loader, needed for qflasher)
 ' | while read tool info; do
 	if test -z "$tool"; then continue; fi
 	if ! which $tool 1>/dev/null 2>&1; then
@@ -159,7 +160,7 @@ setenv bootdelay 1;
 EOF
 ./mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n bootmenu_uboot -d bootmenu_uboot bootmenu_uboot.scr
 
-# Generate bootmenu for eMMC booting
+# Generate bootmenu for eMMC booting (uImage)
 cat > bootmenu_emmc << EOF
 setenv bootmenu_0 'uImage-2.6.28-omap1 from eMMC=setenv mmcnum 1; setenv mmcpart 1; setenv mmctype fat; setenv bootargs; setenv setup_omap_atag 1; setenv mmckernfile uImage-2.6.28-omap1; run trymmckernboot';
 setenv bootmenu_1;
@@ -168,6 +169,15 @@ setenv bootdelay 1;
 EOF
 ./mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n bootmenu_emmc -d bootmenu_emmc bootmenu_emmc.scr
 
+# Generate bootmenu for eMMC booting (zImage)
+cat > bootmenu_emmc2 << EOF
+setenv bootmenu_0 'zImage-2.6.28-omap1 from eMMC=setenv mmcnum 1; setenv mmcpart 1; setenv mmctype fat; setenv bootargs; setenv setup_omap_atag 1; setenv mmckernfile zImage-2.6.28-omap1; run trymmckernboot';
+setenv bootmenu_1;
+setenv bootmenu_delay 1;
+setenv bootdelay 1;
+EOF
+./mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n bootmenu_emmc2 -d bootmenu_emmc2 bootmenu_emmc2.scr
+
 # Generate bootmenu for OneNAND booting
 cat > bootmenu_nand << EOF
 setenv bootmenu_0 'uImage-2.6.28-omap1 from OneNAND=mtd read initfs \${kernaddr}; setenv bootargs; setenv setup_omap_atag 1; bootm \${kernaddr}';
@@ -177,10 +187,18 @@ setenv bootdelay 1;
 EOF
 ./mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n bootmenu_nand -d bootmenu_nand bootmenu_nand.scr
 
+# Generate bootmenu for default booting
+cat > bootmenu_default << EOF
+setenv bootmenu_delay 1;
+setenv bootdelay 1;
+EOF
+./mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n bootmenu_default -d bootmenu_default bootmenu_default.scr
+
 # Generate combined image from u-boot and Maemo fiasco kernel
 dd if=kernel_2.6.28/boot/zImage-2.6.28-20103103+0m5.fiasco of=zImage-2.6.28-omap1 skip=95 bs=1
+./u-boot-gen-combined u-boot.bin zImage-2.6.28-omap1 combined_zimage.bin
 ./mkimage -A arm -O linux -T kernel -C none -a 80008000 -e 80008000 -n zImage-2.6.28-omap1 -d zImage-2.6.28-omap1 uImage-2.6.28-omap1
-./u-boot-gen-combined u-boot.bin uImage-2.6.28-omap1 combined.bin
+./u-boot-gen-combined u-boot.bin uImage-2.6.28-omap1 combined_uimage.bin
 
 # Generate combined hack image from u-boot and Maemo fiasco kernel (kernel starts at 2MB offset and qflasher puts 2kB header before supplied image)
 cp u-boot.bin combined_hack.bin
@@ -191,24 +209,37 @@ truncate -s 50MiB emmc_uboot.img
 mformat -m 0xf8 -F -h 4 -s 16 -c 1 -t $((50*1024*1024/(4*16*512))) :: -i emmc_uboot.img
 mcopy bootmenu_uboot.scr ::/bootmenu.scr -i emmc_uboot.img
 
-# Generate FAT32 eMMC image for eMMC booting
+# Generate FAT32 eMMC image for eMMC booting (uImage)
 truncate -s 50MiB emmc_emmc.img
 mformat -m 0xf8 -F -h 4 -s 16 -c 1 -t $((50*1024*1024/(4*16*512))) :: -i emmc_emmc.img
 mcopy uImage-2.6.28-omap1 ::/uImage-2.6.28-omap1 -i emmc_emmc.img
 mcopy bootmenu_emmc.scr ::/bootmenu.scr -i emmc_emmc.img
 
+# Generate FAT32 eMMC image for eMMC booting (zImage)
+truncate -s 50MiB emmc_emmc2.img
+mformat -m 0xf8 -F -h 4 -s 16 -c 1 -t $((50*1024*1024/(4*16*512))) :: -i emmc_emmc2.img
+mcopy zImage-2.6.28-omap1 ::/zImage-2.6.28-omap1 -i emmc_emmc2.img
+mcopy bootmenu_emmc2.scr ::/bootmenu.scr -i emmc_emmc2.img
+
 # Generate FAT32 eMMC image for OneNAND booting
 truncate -s 50MiB emmc_nand.img
 mformat -m 0xf8 -F -h 4 -s 16 -c 1 -t $((50*1024*1024/(4*16*512))) :: -i emmc_nand.img
 mcopy bootmenu_nand.scr ::/bootmenu.scr -i emmc_nand.img
 
+# Generate FAT32 eMMC image for default booting
+truncate -s 50MiB emmc_default.img
+mformat -m 0xf8 -F -h 4 -s 16 -c 1 -t $((50*1024*1024/(4*16*512))) :: -i emmc_default.img
+mcopy bootmenu_default.scr ::/bootmenu.scr -i emmc_default.img
+
 # Generate MTD image for U-Boot serial console testing
 rm -f mtd_uboot.img
 ./qflasher -v -x xloader-qemu.bin -s secondary-qemu.bin -k u-boot.bin -m rx51 -o mtd_uboot.img
 
 # Generate MTD image for RAM booting from bootloader nolo images, compiled image and rootfs image
 rm -f mtd_ram.img
-./qflasher -v -x xloader-qemu.bin -s secondary-qemu.bin -k combined.bin -r ubi.img -m rx51 -o mtd_ram.img
+./qflasher -v -x xloader-qemu.bin -s secondary-qemu.bin -k combined_uimage.bin -r ubi.img -m rx51 -o mtd_ram.img
+rm -f mtd_ram2.img
+./qflasher -v -x xloader-qemu.bin -s secondary-qemu.bin -k combined_zimage.bin -r ubi.img -m rx51 -o mtd_ram2.img
 
 # Generate MTD image for eMMC booting from bootloader nolo images, u-boot image and rootfs image
 rm -f mtd_emmc.img
@@ -238,7 +269,7 @@ wait -n $sleep_pid $qemu_pid || true
 kill -9 $tail_pid $sleep_pid $qemu_pid 2>/dev/null || true
 wait || true
 
-# Run MTD image in qemu and wait for 300s if kernel from RAM is correctly booted
+# Run MTD image in qemu and wait for 300s if uImage kernel from RAM is correctly booted
 rm -f qemu_ram.log
 ./qemu-system-arm -M n900 -mtdblock mtd_ram.img -serial /dev/stdout -display none > qemu_ram.log &
 qemu_pid=$!
@@ -250,7 +281,19 @@ wait -n $sleep_pid $qemu_pid || true
 kill -9 $tail_pid $sleep_pid $qemu_pid 2>/dev/null || true
 wait || true
 
-# Run MTD image in qemu and wait for 300s if kernel from eMMC is correctly booted
+# Run MTD image in qemu and wait for 300s if zImage kernel from RAM is correctly booted
+rm -f qemu_ram2.log
+./qemu-system-arm -M n900 -mtdblock mtd_ram2.img -sd emmc_default.img -serial /dev/stdout -display none > qemu_ram2.log &
+qemu_pid=$!
+tail -F qemu_ram2.log &
+tail_pid=$!
+sleep 300 &
+sleep_pid=$!
+wait -n $sleep_pid $qemu_pid || true
+kill -9 $tail_pid $sleep_pid $qemu_pid 2>/dev/null || true
+wait || true
+
+# Run MTD image in qemu and wait for 300s if uImage kernel from eMMC is correctly booted
 rm -f qemu_emmc.log
 ./qemu-system-arm -M n900 -mtdblock mtd_emmc.img -sd emmc_emmc.img -serial /dev/stdout -display none > qemu_emmc.log &
 qemu_pid=$!
@@ -262,6 +305,18 @@ wait -n $sleep_pid $qemu_pid || true
 kill -9 $tail_pid $sleep_pid $qemu_pid 2>/dev/null || true
 wait || true
 
+# Run MTD image in qemu and wait for 300s if zImage kernel from eMMC is correctly booted
+rm -f qemu_emmc2.log
+./qemu-system-arm -M n900 -mtdblock mtd_emmc.img -sd emmc_emmc2.img -serial /dev/stdout -display none > qemu_emmc2.log &
+qemu_pid=$!
+tail -F qemu_emmc2.log &
+tail_pid=$!
+sleep 300 &
+sleep_pid=$!
+wait -n $sleep_pid $qemu_pid || true
+kill -9 $tail_pid $sleep_pid $qemu_pid 2>/dev/null || true
+wait || true
+
 # Run MTD image in qemu and wait for 300s if kernel from OneNAND is correctly booted
 rm -f qemu_nand.log
 ./qemu-system-arm -M n900 -mtdblock mtd_nand.img -sd emmc_nand.img -serial /dev/stdout -display none > qemu_nand.log &
@@ -281,13 +336,15 @@ echo "============================="
 echo
 
 if grep -q 'Successfully booted' qemu_uboot.log; then echo "U-Boot serial console is working"; else echo "U-Boot serial console test failed"; fi
-if grep -q 'Successfully booted' qemu_ram.log; then echo "Kernel was successfully booted from RAM"; else echo "Failed to boot kernel from RAM"; fi
+if grep -q 'Successfully booted' qemu_ram.log; then echo "Kernel (uImage) was successfully booted from RAM"; else echo "Failed to boot kernel (uImage) from RAM"; fi
-if grep -q 'Successfully booted' qemu_emmc.log; then echo "Kernel was successfully booted from eMMC"; else echo "Failed to boot kernel from eMMC"; fi
+if grep -q 'Successfully booted' qemu_ram2.log; then echo "Kernel (zImage) was successfully booted from RAM"; else echo "Failed to boot kernel (zImage) from RAM"; fi
-if grep -q 'Successfully booted' qemu_nand.log; then echo "Kernel was successfully booted from OneNAND"; else echo "Failed to boot kernel from OneNAND"; fi
+if grep -q 'Successfully booted' qemu_emmc.log; then echo "Kernel (uImage) was successfully booted from eMMC"; else echo "Failed to boot kernel (uImage) from eMMC"; fi
+if grep -q 'Successfully booted' qemu_emmc2.log; then echo "Kernel (zImage) was successfully booted from eMMC"; else echo "Failed to boot kernel (zImage) from eMMC"; fi
+if grep -q 'Successfully booted' qemu_nand.log; then echo "Kernel (uImage) was successfully booted from OneNAND"; else echo "Failed to boot kernel (uImage) from OneNAND"; fi
 
 echo
 
-if grep -q 'Successfully booted' qemu_uboot.log && grep -q 'Successfully booted' qemu_ram.log && grep -q 'Successfully booted' qemu_emmc.log && grep -q 'Successfully booted' qemu_nand.log; then
+if grep -q 'Successfully booted' qemu_uboot.log && grep -q 'Successfully booted' qemu_ram.log && grep -q 'Successfully booted' qemu_ram2.log && grep -q 'Successfully booted' qemu_emmc.log && grep -q 'Successfully booted' qemu_emmc2.log && grep -q 'Successfully booted' qemu_nand.log; then
 	echo "All tests passed"
 	exit 0
 else