[PATCH 1/3] ARM: dts: omap3-devkit8000: Add support for Devkit8000

[Anthoine Bourgeois <anthoine.bourgeois@gmail.com>]

This commit adds OMAP3 BeagleBoard devicetree files from Linux
v5.16.0.
This commit fixes CONFIG_DM_MMC warning.

Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
---
 arch/arm/dts/Makefile                     |   2 +
 arch/arm/dts/omap3-devkit8000-u-boot.dtsi |  14 +
 arch/arm/dts/omap3-devkit8000.dts         | 349 ++++++++++++++++++++++
 configs/devkit8000_defconfig              |  24 +-
 include/configs/devkit8000.h              |  64 ++--
 5 files changed, 426 insertions(+), 27 deletions(-)
 create mode 100644 arch/arm/dts/omap3-devkit8000-u-boot.dtsi
 create mode 100644 arch/arm/dts/omap3-devkit8000.dts

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 83630af4f6..70f003259a 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1047,6 +1047,8 @@ dtb-$(CONFIG_TARGET_OMAP3_BEAGLE) += \
 	omap3-beagle-xm.dtb \
 	omap3-beagle.dtb
 
+dtb-$(CONFIG_TARGET_DEVKIT8000) += omap3-devkit8000.dtb
+
 dtb-$(CONFIG_TARGET_OMAP3_IGEP00X0) += \
 	omap3-igep0020.dtb
 
diff --git a/arch/arm/dts/omap3-devkit8000-u-boot.dtsi b/arch/arm/dts/omap3-devkit8000-u-boot.dtsi
new file mode 100644
index 0000000000..2c03701c89
--- /dev/null
+++ b/arch/arm/dts/omap3-devkit8000-u-boot.dtsi
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * U-Boot additions
+ *
+ * (C) Copyright 2017 Derald D. Woods <woods.technical@gmail.com>
+ */
+
+#include "omap3-u-boot.dtsi"
+
+/ {
+	chosen {
+		stdout-path = &uart3;
+	};
+};
diff --git a/arch/arm/dts/omap3-devkit8000.dts b/arch/arm/dts/omap3-devkit8000.dts
new file mode 100644
index 0000000000..eee3ba073b
--- /dev/null
+++ b/arch/arm/dts/omap3-devkit8000.dts
@@ -0,0 +1,349 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Author: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
+ */
+/dts-v1/;
+
+#include "omap34xx.dtsi"
+/ {
+	model = "TimLL OMAP3 Devkit8000";
+	compatible = "timll,omap3-devkit8000", "ti,omap3430", "ti,omap3";
+
+	aliases {
+		display1 = &dvi0;
+		display2 = &tv0;
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x10000000>;	/* 256 MB */
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		heartbeat {
+			label = "devkit8000::led1";
+			gpios = <&gpio6 26 GPIO_ACTIVE_HIGH>;	/* 186 -> LED1 */
+			default-state = "on";
+			linux,default-trigger = "heartbeat";
+		};
+
+		mmc {
+			label = "devkit8000::led2";
+			gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;	/* 163 -> LED2 */
+			default-state = "on";
+			linux,default-trigger = "none";
+		};
+
+		usr {
+			label = "devkit8000::led3";
+			gpios = <&gpio6 4 GPIO_ACTIVE_HIGH>;	/* 164 -> LED3 */
+			default-state = "on";
+			linux,default-trigger = "usr";
+		};
+
+		pmu_stat {
+			label = "devkit8000::pmu_stat";
+			gpios = <&twl_gpio 19 GPIO_ACTIVE_HIGH>; /* LEDB */
+		};
+	};
+
+	sound {
+		compatible = "ti,omap-twl4030";
+		ti,model = "devkit8000";
+
+		ti,mcbsp = <&mcbsp2>;
+		ti,audio-routing =
+			"Ext Spk", "PREDRIVEL",
+			"Ext Spk", "PREDRIVER",
+			"MAINMIC", "Main Mic",
+			"Main Mic", "Mic Bias 1";
+	};
+
+	tfp410: encoder0 {
+		compatible = "ti,tfp410";
+		powerdown-gpios = <&twl_gpio 7 GPIO_ACTIVE_LOW>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				tfp410_in: endpoint {
+					remote-endpoint = <&dpi_dvi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				tfp410_out: endpoint {
+					remote-endpoint = <&dvi_connector_in>;
+				};
+			};
+		};
+	};
+
+	dvi0: connector0 {
+		compatible = "dvi-connector";
+		label = "dvi";
+
+		digital;
+
+		ddc-i2c-bus = <&i2c2>;
+
+		port {
+			dvi_connector_in: endpoint {
+				remote-endpoint = <&tfp410_out>;
+			};
+		};
+	};
+
+	tv0: connector1 {
+		compatible = "svideo-connector";
+		label = "tv";
+
+		port {
+			tv_connector_in: endpoint {
+				remote-endpoint = <&venc_out>;
+			};
+		};
+	};
+};
+
+&i2c1 {
+	clock-frequency = <2600000>;
+
+	twl: twl@48 {
+		reg = <0x48>;
+		interrupts = <7>;	/* SYS_NIRQ cascaded to intc */
+
+		twl_audio: audio {
+			compatible = "ti,twl4030-audio";
+			codec {
+			};
+		};
+	};
+};
+
+&i2c2 {
+	clock-frequency = <400000>;
+};
+
+&i2c3 {
+	status = "disabled";
+};
+
+#include "twl4030.dtsi"
+#include "twl4030_omap3.dtsi"
+
+&mmc1 {
+	vmmc-supply = <&vmmc1>;
+	vqmmc-supply = <&vsim>;
+	bus-width = <8>;
+};
+
+&mmc2 {
+	status = "disabled";
+};
+
+&mmc3 {
+	status = "disabled";
+};
+
+&twl_gpio {
+	ti,use-leds;
+	/*
+	 * pulldowns:
+	 * BIT(1), BIT(2), BIT(6), BIT(7), BIT(8), BIT(13)
+	 * BIT(15), BIT(16), BIT(17)
+	 */
+	ti,pulldowns = <0x03a1c6>;
+};
+
+&wdt2 {
+	status = "disabled";
+};
+
+&mcbsp2 {
+	status = "okay";
+};
+
+&gpmc {
+	ranges = <0 0 0x30000000 0x1000000	/* CS0: 16MB for NAND */
+		  6 0 0x2c000000 0x1000000>;	/* CS6: 16MB for DM9000 */
+
+	nand@0,0 {
+		compatible = "ti,omap2-nand";
+		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
+		interrupt-parent = <&gpmc>;
+		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
+			     <1 IRQ_TYPE_NONE>;	/* termcount */
+		nand-bus-width = <16>;
+		gpmc,device-width = <2>;
+		ti,nand-ecc-opt = "sw";
+
+		gpmc,sync-clk-ps = <0>;
+		gpmc,cs-on-ns = <0>;
+		gpmc,cs-rd-off-ns = <44>;
+		gpmc,cs-wr-off-ns = <44>;
+		gpmc,adv-on-ns = <6>;
+		gpmc,adv-rd-off-ns = <34>;
+		gpmc,adv-wr-off-ns = <44>;
+		gpmc,we-off-ns = <40>;
+		gpmc,oe-off-ns = <54>;
+		gpmc,access-ns = <64>;
+		gpmc,rd-cycle-ns = <82>;
+		gpmc,wr-cycle-ns = <82>;
+		gpmc,wr-access-ns = <40>;
+		gpmc,wr-data-mux-bus-ns = <0>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		x-loader@0 {
+			label = "X-Loader";
+			reg = <0 0x80000>;
+		};
+
+		bootloaders@80000 {
+			label = "U-Boot";
+			reg = <0x80000 0x1e0000>;
+		};
+
+		bootloaders_env@260000 {
+			label = "U-Boot Env";
+			reg = <0x260000 0x20000>;
+		};
+
+		kernel@280000 {
+			label = "Kernel";
+			reg = <0x280000 0x400000>;
+		};
+
+		filesystem@680000 {
+			label = "File System";
+			reg = <0x680000 0xf980000>;
+		};
+	};
+
+	ethernet@6,0 {
+		compatible = "davicom,dm9000";
+		reg =  <6 0x000 2
+			6 0x400 2>; /* CS6, offset 0 and 0x400, IO size 2 */
+		bank-width = <2>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+		davicom,no-eeprom;
+
+		gpmc,mux-add-data = <0>;
+		gpmc,device-width = <1>;
+		gpmc,wait-pin = <0>;
+		gpmc,cycle2cycle-samecsen;
+		gpmc,cycle2cycle-diffcsen;
+
+		gpmc,cs-on-ns = <6>;
+		gpmc,cs-rd-off-ns = <180>;
+		gpmc,cs-wr-off-ns = <180>;
+		gpmc,adv-on-ns = <0>;
+		gpmc,adv-rd-off-ns = <18>;
+		gpmc,adv-wr-off-ns = <48>;
+		gpmc,oe-on-ns = <54>;
+		gpmc,oe-off-ns = <168>;
+		gpmc,we-on-ns = <54>;
+		gpmc,we-off-ns = <168>;
+		gpmc,rd-cycle-ns = <186>;
+		gpmc,wr-cycle-ns = <186>;
+		gpmc,access-ns = <144>;
+		gpmc,page-burst-access-ns = <24>;
+		gpmc,bus-turnaround-ns = <90>;
+		gpmc,cycle2cycle-delay-ns = <90>;
+		gpmc,wait-monitoring-ns = <0>;
+		gpmc,clk-activation-ns = <0>;
+		gpmc,wr-data-mux-bus-ns = <0>;
+		gpmc,wr-access-ns = <0>;
+	};
+};
+
+&omap3_pmx_core {
+	dss_dpi_pins: pinmux_dss_dpi_pins {
+		pinctrl-single,pins = <
+			OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0)	/* dss_pclk.dss_pclk */
+			OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0)	/* dss_hsync.dss_hsync */
+			OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0)	/* dss_vsync.dss_vsync */
+			OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0)	/* dss_acbias.dss_acbias */
+			OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0)	/* dss_data0.dss_data0 */
+			OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0)	/* dss_data1.dss_data1 */
+			OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0)	/* dss_data2.dss_data2 */
+			OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0)	/* dss_data3.dss_data3 */
+			OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0)	/* dss_data4.dss_data4 */
+			OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0)	/* dss_data5.dss_data5 */
+			OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0)	/* dss_data6.dss_data6 */
+			OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0)	/* dss_data7.dss_data7 */
+			OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0)	/* dss_data8.dss_data8 */
+			OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0)	/* dss_data9.dss_data9 */
+			OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0)	/* dss_data10.dss_data10 */
+			OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0)	/* dss_data11.dss_data11 */
+			OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0)	/* dss_data12.dss_data12 */
+			OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0)	/* dss_data13.dss_data13 */
+			OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0)	/* dss_data14.dss_data14 */
+			OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0)	/* dss_data15.dss_data15 */
+			OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0)	/* dss_data16.dss_data16 */
+			OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0)	/* dss_data17.dss_data17 */
+			OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0)	/* dss_data18.dss_data18 */
+			OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0)	/* dss_data19.dss_data19 */
+			OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0)	/* dss_data20.dss_data20 */
+			OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0)	/* dss_data21.dss_data21 */
+			OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0)	/* dss_data22.dss_data22 */
+			OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0)	/* dss_data23.dss_data23 */
+		>;
+	};
+};
+
+&vpll1 {
+	/* Needed for DSS */
+	regulator-name = "vdds_dsi";
+
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+};
+
+&dss {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&dss_dpi_pins>;
+
+	vdds_dsi-supply = <&vpll1>;
+	vdda_dac-supply = <&vdac>;
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		dpi_dvi_out: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&tfp410_in>;
+			data-lines = <24>;
+		};
+
+		endpoint@1 {
+			reg = <1>;
+		};
+	};
+};
+
+&venc {
+	status = "okay";
+
+	vdda-supply = <&vdac>;
+
+	port {
+		venc_out: endpoint {
+			remote-endpoint = <&tv_connector_in>;
+			ti,channels = <2>;
+		};
+	};
+};
diff --git a/configs/devkit8000_defconfig b/configs/devkit8000_defconfig
index be780949ec..c025b400d2 100644
--- a/configs/devkit8000_defconfig
+++ b/configs/devkit8000_defconfig
@@ -2,14 +2,21 @@ CONFIG_ARM=y
 CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_SYS_MALLOC_LEN=0x40000
-CONFIG_SYS_MALLOC_F_LEN=0x400
+CONFIG_SYS_MALLOC_F_LEN=0x4000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_SPL_TEXT_BASE=0x40200000
 CONFIG_TARGET_DEVKIT8000=y
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x400
 CONFIG_SPL=y
+CONFIG_DEFAULT_DEVICE_TREE="omap3-devkit8000"
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_BOOTCOMMAND="run autoboot"
+CONFIG_USE_PREBOOT=y
+CONFIG_DEFAULT_FDT_FILE="omap3-devkit8000.dtb"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_SEPARATE_BSS=y
+# CONFIG_SPL_FS_EXT4 is not set
 CONFIG_SPL_NAND_DRIVERS=y
 CONFIG_SPL_NAND_ECC=y
 CONFIG_SPL_NAND_SIMPLE=y
@@ -19,8 +26,8 @@ CONFIG_SPL_FALCON_BOOT_MMCSD=y
 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR=0x500
 # CONFIG_CMD_IMI is not set
 CONFIG_CMD_SPL=y
-CONFIG_CMD_SPL_NAND_OFS=0x680000
-CONFIG_CMD_SPL_WRITE_SIZE=0x400
+CONFIG_CMD_SPL_NAND_OFS=0x280000
+CONFIG_CMD_SPL_WRITE_SIZE=0x20000
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
@@ -38,6 +45,11 @@ CONFIG_JFFS2_PART_SIZE=0xF980000
 CONFIG_CMD_MTDPARTS=y
 CONFIG_MTDIDS_DEFAULT="nand0=nand"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand:512k(x-loader),1920k(u-boot),128k(u-boot-env),4m(kernel),-(fs)"
+# CONFIG_ISO_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_SPL_REMOVE_PROPS="clocks clock-names interrupt-parent"
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
@@ -47,6 +59,10 @@ CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_SYS_I2C_LEGACY=y
 CONFIG_SPL_SYS_I2C_LEGACY=y
 CONFIG_TWL4030_LED=y
+CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_DM_MMC=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
@@ -59,6 +75,4 @@ CONFIG_SYS_NAND_BUSWIDTH_16BIT=y
 CONFIG_SYS_NAND_U_BOOT_LOCATIONS=y
 CONFIG_SYS_NAND_U_BOOT_OFFS=0x80000
 CONFIG_DRIVER_DM9000=y
-CONFIG_CONS_INDEX=3
 CONFIG_JFFS2_NAND=y
-CONFIG_OF_LIBFDT=y
diff --git a/include/configs/devkit8000.h b/include/configs/devkit8000.h
index 5dbd126a2a..d810554a4c 100644
--- a/include/configs/devkit8000.h
+++ b/include/configs/devkit8000.h
@@ -14,23 +14,6 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
-/* High Level Configuration Options */
-
-/*
- * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
- * 64 bytes before this address should be set aside for u-boot.img's
- * header. That is 0x800FFFC0--0x80100000 should not be used for any
- * other needs.
- */
-
-#define CONFIG_SPL_BSS_START_ADDR       0x80000500 /* leave space for bootargs*/
-#define CONFIG_SPL_BSS_MAX_SIZE		0x80000
-
-#define CONFIG_SYS_SPL_MALLOC_START	0x80208000
-#define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000	/* 1 MB */
-
-/*  Physical Memory Map  */
-
 #include <configs/ti_omap3_common.h>
 
 /* Hardware drivers */
@@ -46,9 +29,48 @@
 
 /* BOOTP/DHCP options */
 
+#define MEM_LAYOUT_ENV_SETTINGS \
+	DEFAULT_LINUX_BOOT_ENV
+
+#define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
+	"bootcmd_" #devtypel #instance "=" \
+	"setenv mmcdev " #instance "; " \
+	"run mmcboot\0"
+#define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \
+	#devtypel #instance " "
+
+#if defined(CONFIG_MTD_RAW_NAND)
+
+#define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
+	"bootcmd_" #devtypel #instance "=" \
+	"if test ${mtdids} = '' || test ${mtdparts} = '' ; then " \
+		"echo NAND boot disabled: No mtdids and/or mtdparts; " \
+	"else " \
+		"run nandboot; " \
+	"fi\0"
+#define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
+	#devtypel #instance " "
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(LEGACY_MMC, legacy_mmc, 0) \
+	func(NAND, nand, 0)
+
+#else /* !CONFIG_MTD_RAW_NAND */
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(LEGACY_MMC, legacy_mmc, 0)
+
+#endif /* CONFIG_MTD_RAW_NAND */
+
+#include <config_distro_bootcmd.h>
+
 /* Environment information */
 #define CONFIG_EXTRA_ENV_SETTINGS \
-	"loadaddr=0x82000000\0" \
+	MEM_LAYOUT_ENV_SETTINGS \
+	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
+	"fdt_high=0xffffffff\0" \
 	"console=ttyO2,115200n8\0" \
 	"mmcdev=0\0" \
 	"vram=12M\0" \
@@ -88,7 +110,6 @@
 	"bootscript=echo Running bootscript from mmc ...; " \
 		"source ${loadaddr}\0" \
 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
-	"eraseenv=nand unlock 0x260000 0x20000; nand erase 0x260000 0x20000\0" \
 	"mmcboot=echo Booting from mmc ...; " \
 		"run mmcargs; " \
 		"bootm ${loadaddr}\0" \
@@ -109,9 +130,8 @@
 				"else run nandboot; " \
 				"fi; " \
 			"fi; " \
-		"else run nandboot; fi\0"
-
-/* Boot Argument Buffer Size */
+		"else run nandboot; fi\0" \
+	BOOTENV
 
 /* Defines for SPL */
 
-- 
2.35.1