Merge https://source.denx.de/u-boot/custodians/u-boot-marvell

- mvebu: Turris MOX misc updates (cmds, rescue mode, LED's etc)
  (Marek)
- mvebu: correct Armada 8K addresses (Heinrich)

arch/arm/dts/armada-3720-turris-mox.dts

@@ -11,6 +11,8 @@
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
 #include "armada-372x.dtsi"
 
 / {
@@ -34,6 +36,28 @@
 		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
 	};
 
+	leds {
+		compatible = "gpio-leds";
+
+		led {
+			gpios = <&gpiosb 21 GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_ACTIVITY;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		reset {
+			compatible = "gpio-keys";
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpiosb 20 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+	};
+
 	reg_usb3_vbus: usb3_vbus@0 {
 		compatible = "regulator-fixed";
 		regulator-name = "usb3-vbus";
@@ -140,6 +164,37 @@
 		reg = <0>;
 		spi-max-frequency = <20000000>;
 		m25p,fast-read;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "secure-firmware";
+				reg = <0x0 0x20000>;
+			};
+
+			partition@20000 {
+				label = "a53-firmware";
+				reg = <0x20000 0x160000>;
+			};
+
+			partition@180000 {
+				label = "u-boot-env";
+				reg = <0x180000 0x10000>;
+			};
+
+			partition@190000 {
+				label = "Rescue system";
+				reg = <0x190000 0x660000>;
+			};
+
+			partition@7f0000 {
+				label = "dtb";
+				reg = <0x7f0000 0x10000>;
+			};
+		};
 	};
 
 	moxtet@1 {

board/CZ.NIC/turris_mox/turris_mox.c

@@ -10,11 +10,13 @@
 #include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
+#include <button.h>
 #include <clk.h>
 #include <dm.h>
 #include <env.h>
 #include <fdt_support.h>
 #include <init.h>
+#include <led.h>
 #include <linux/delay.h>
 #include <linux/libfdt.h>
 #include <linux/string.h>
@@ -44,6 +46,8 @@
 #define SFP_GPIO_PATH	"/soc/internal-regs@d0000000/spi@10600/moxtet@1/gpio@0"
 #define PCIE_PATH	"/soc/pcie@d0070000"
 #define SFP_PATH	"/sfp"
+#define LED_PATH	"/leds/led"
+#define BUTTON_PATH	"/gpio-keys/reset"
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -373,6 +377,106 @@ int misc_init_r(void)
 	return 0;
 }
 
+static void mox_phy_modify(struct phy_device *phydev, int page, int reg,
+			   u16 mask, u16 set)
+{
+	int val;
+
+	val = phydev->drv->readext(phydev, MDIO_DEVAD_NONE, page, reg);
+	val &= ~mask;
+	val |= set;
+	phydev->drv->writeext(phydev, MDIO_DEVAD_NONE, page, reg, val);
+}
+
+static void mox_phy_leds_start_blinking(void)
+{
+	struct phy_device *phydev;
+	struct mii_dev *bus;
+
+	bus = miiphy_get_dev_by_name("neta@30000");
+	if (!bus) {
+		printf("Cannot get MDIO bus device!\n");
+		return;
+	}
+
+	phydev = phy_find_by_mask(bus, BIT(1), PHY_INTERFACE_MODE_RGMII);
+	if (!phydev) {
+		printf("Cannot get ethernet PHY!\n");
+		return;
+	}
+
+	mox_phy_modify(phydev, 3, 0x12, 0x700, 0x400);
+	mox_phy_modify(phydev, 3, 0x10, 0xff, 0xbb);
+}
+
+static bool read_reset_button(void)
+{
+	struct udevice *button, *led;
+	int i;
+
+	if (device_get_global_by_ofnode(ofnode_path(BUTTON_PATH), &button)) {
+		printf("Cannot find reset button!\n");
+		return false;
+	}
+
+	if (device_get_global_by_ofnode(ofnode_path(LED_PATH), &led)) {
+		printf("Cannot find status LED!\n");
+		return false;
+	}
+
+	led_set_state(led, LEDST_ON);
+
+	for (i = 0; i < 21; ++i) {
+		if (button_get_state(button) != BUTTON_ON)
+			return false;
+		if (i < 20)
+			mdelay(50);
+	}
+
+	led_set_state(led, LEDST_OFF);
+
+	return true;
+}
+
+static void handle_reset_button(void)
+{
+	if (read_reset_button()) {
+		const char * const vars[3] = {
+			"bootcmd",
+			"bootcmd_rescue",
+			"distro_bootcmd",
+		};
+
+		/*
+		 * Set the above envs to their default values, in case the user
+		 * managed to break them.
+		 */
+		env_set_default_vars(3, (char * const *)vars, 0);
+
+		/* Ensure bootcmd_rescue is used by distroboot */
+		env_set("boot_targets", "rescue");
+
+		/* start blinking PHY LEDs */
+		mox_phy_leds_start_blinking();
+
+		printf("RESET button was pressed, overwriting boot_targets!\n");
+	} else {
+		/*
+		 * In case the user somehow managed to save environment with
+		 * boot_targets=rescue, reset boot_targets to default value.
+		 * This could happen in subsequent commands if bootcmd_rescue
+		 * failed.
+		 */
+		if (!strcmp(env_get("boot_targets"), "rescue")) {
+			const char * const vars[1] = {
+				"boot_targets",
+			};
+
+			env_set_default_vars(1, (char * const *)vars, 0);
+		}
+	}
+}
+
 static void mox_print_info(void)
 {
 	int ret, board_version, ram_size;
@@ -543,6 +647,8 @@ int last_stage_init(void)
 
 	printf("\n");
 
+	handle_reset_button();
+
 	return 0;
 }
 

configs/turris_mox_defconfig

@@ -23,12 +23,19 @@ CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_ARCH_EARLY_INIT_R=y
 CONFIG_MISC_INIT_R=y
+CONFIG_BUTTON=y
+CONFIG_BUTTON_GPIO=y
+CONFIG_CMD_AES=y
+CONFIG_CMD_BUTTON=y
 CONFIG_CMD_CLK=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_HASH=y
 CONFIG_CMD_I2C=y
+CONFIG_CMD_LED=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PCI=y
+CONFIG_CMD_SHA1SUM=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_WDT=y
@@ -42,10 +49,17 @@ CONFIG_MAC_PARTITION=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_FIT=y
+CONFIG_FIT_ENABLE_SHA256_SUPPORT=y
+# CONFIG_FIT_SIGNATURE is not set
+CONFIG_FIT_VERBOSE=y
+# CONFIG_FIT_BEST_MATCH is not set
 CONFIG_CLK=y
 CONFIG_CLK_MVEBU=y
 # CONFIG_MVEBU_GPIO is not set
 CONFIG_DM_I2C=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
 CONFIG_MISC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y

include/configs/mvebu_armada-8k.h

@@ -91,11 +91,11 @@
 #include <config_distro_bootcmd.h>
 
 #define CONFIG_EXTRA_ENV_SETTINGS	\
-	"scriptaddr=0x4d00000\0"	\
-	"pxefile_addr_r=0x4e00000\0"	\
-	"fdt_addr_r=0x4f00000\0"	\
-	"kernel_addr_r=0x5000000\0"	\
-	"ramdisk_addr_r=0x8000000\0"	\
+	"scriptaddr=0x6d00000\0"	\
+	"pxefile_addr_r=0x6e00000\0"	\
+	"fdt_addr_r=0x6f00000\0"	\
+	"kernel_addr_r=0x7000000\0"	\
+	"ramdisk_addr_r=0xa000000\0"	\
 	"fdtfile=marvell/" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
 	BOOTENV
 

include/configs/turris_mox.h

@@ -75,12 +75,22 @@
 
 #include <config_distro_bootcmd.h>
 
+#define TURRIS_MOX_BOOTCMD_RESCUE \
+	"setenv bootargs \"console=ttyMV0,115200 " \
+			  "earlycon=ar3700_uart,0xd0012000\" && " \
+	"sf probe && " \
+	"sf read 0x5000000 0x190000 && " \
+	"lzmadec 0x5000000 0x5800000 && " \
+	"bootm 0x5800000"
+
 #define CONFIG_EXTRA_ENV_SETTINGS	\
 	"scriptaddr=0x4d00000\0"	\
 	"pxefile_addr_r=0x4e00000\0"	\
 	"fdt_addr_r=0x4f00000\0"	\
 	"kernel_addr_r=0x5000000\0"	\
 	"ramdisk_addr_r=0x8000000\0"	\
+	"fdtfile=marvell/" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
+	"bootcmd_rescue=" TURRIS_MOX_BOOTCMD_RESCUE "\0" \
 	BOOTENV
 
 #endif /* _CONFIG_TURRIS_MOX_H */