board/czechlight/clearfog/patches/u-boot/boot.patch

diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c
index 8906636f76..f94bd5e465 100644
--- a/board/solidrun/clearfog/clearfog.c
+++ b/board/solidrun/clearfog/clearfog.c
@@ -11,10 +11,15 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <dm/uclass.h>
 
 #include "../drivers/ddr/marvell/a38x/ddr3_a38x_topology.h"
 #include <../serdes/a38x/high_speed_env_spec.h>
 
+#ifdef CONFIG_WDT_ORION
+# include <wdt.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 #define ETH_PHY_CTRL_REG		0
@@ -122,6 +127,10 @@ int board_early_init_f(void)
 	return 0;
 }
 
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT_ORION)
+static struct udevice *watchdog_dev = NULL;
+#endif
+
 int board_init(void)
 {
 	int i;
@@ -129,6 +138,18 @@ int board_init(void)
 	/* Address of boot parameters */
 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
 
+#ifndef CONFIG_SPL_BUILD
+# ifdef CONFIG_WDT_ORION
+        if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
+                puts("Cannot find Armada 385 watchdog!\n");
+        } else {
+                puts("Enabling Armada 385 watchdog.\n");
+		/* one minute */
+                wdt_start(watchdog_dev, (u32) 25000000 * 60, 0);
+        }
+# endif
+#endif
+
 	/* Toggle GPIO41 to reset onboard switch and phy */
 	clrbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
 	clrbits_le32(MVEBU_GPIO1_BASE + 0x4, BIT(9));
@@ -147,6 +168,28 @@ int board_init(void)
 	return 0;
 }
 
+#ifdef CONFIG_WATCHDOG
+/* Called by macro WATCHDOG_RESET */
+void watchdog_reset(void)
+{
+# if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT_ORION)
+        static ulong next_reset = 0;
+        ulong now;
+
+        if (!watchdog_dev)
+                return;
+
+        now = timer_get_us();
+
+        /* Do not reset the watchdog too often */
+        if (now > next_reset) {
+                wdt_reset(watchdog_dev);
+                next_reset = now + 1000;
+        }
+# endif
+}
+#endif
+
 int checkboard(void)
 {
 	puts("Board: SolidRun ClearFog\n");
diff --git a/configs/clearfog_defconfig b/configs/clearfog_defconfig
index 5eceacf491..fd48b0db02 100644
--- a/configs/clearfog_defconfig
+++ b/configs/clearfog_defconfig
@@ -46,3 +46,5 @@ CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
+CONFIG_WDT=y
+CONFIG_WDT_ORION=y
diff --git a/include/configs/clearfog.h b/include/configs/clearfog.h
index 5061f6c6fd..fe9f515867 100644
--- a/include/configs/clearfog.h
+++ b/include/configs/clearfog.h
@@ -32,6 +32,11 @@
 #define CONFIG_SYS_I2C_SLAVE		0x0
 #define CONFIG_SYS_I2C_SPEED		100000
 
+/* Watchdog */
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT_ORION)
+# define CONFIG_WATCHDOG
+#endif
+
 /* SPI NOR flash default params, used by sf commands */
 #define CONFIG_SF_DEFAULT_SPEED		1000000
 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
@@ -65,6 +70,9 @@
 #define CONFIG_ENV_OFFSET		0xf0000
 #define CONFIG_ENV_ADDR			CONFIG_ENV_OFFSET
 
+#define CONFIG_ENV_OFFSET_REDUND	0xe0000
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+
 #define CONFIG_PHY_MARVELL		/* there is a marvell phy */
 #define PHY_ANEG_TIMEOUT	8000	/* PHY needs a longer aneg time */
 
@@ -166,14 +174,47 @@
 	"scriptaddr=" SCRIPT_ADDR_R "\0" \
 	"pxefile_addr_r=" PXEFILE_ADDR_R "\0"
 
-#include <config_distro_bootcmd.h>
-
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	RELOCATION_LIMITS_ENV_SETTINGS \
 	LOAD_ADDRESS_ENV_SETTINGS \
-	"fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
 	"console=ttyS0,115200\0" \
-	BOOTENV
+	"extra_bootargs=panic=10 oops=panic\0" \
+	"bootcmd=test -n \"${BOOT_A_LEFT}\" || setenv BOOT_A_LEFT 3;" \
+	"test -n \"${BOOT_B_LEFT}\" || setenv BOOT_B_LEFT 3;" \
+	"test -n \"${BOOT_ORDER}\" || setenv BOOT_ORDER \"A B\";" \
+	"setenv rauc_part;" \
+	"for BOOT_SLOT in \"${BOOT_ORDER}\"; do" \
+	"  if test \"x${rauc_part}\" != \"x\"; then" \
+	"    ;" \
+	"  elif test \"x${BOOT_SLOT}\" = \"xA\"; then" \
+	"    if test ${BOOT_A_LEFT} -gt 0; then" \
+	"      setexpr BOOT_A_LEFT ${BOOT_A_LEFT} - 1;" \
+	"      echo \"Found valid slot A, ${BOOT_A_LEFT} attempts remaining\";" \
+	"      setenv rauc_part 1;" \
+	"      setenv rauc_slot A;" \
+	"    fi;" \
+	"  elif test \"x${BOOT_SLOT}\" = \"xB\"; then" \
+	"    if test ${BOOT_B_LEFT} -gt 0; then" \
+	"      setexpr BOOT_B_LEFT ${BOOT_B_LEFT} - 1;" \
+	"      echo \"Found valid slot B, ${BOOT_B_LEFT} attempts remaining\";" \
+	"      setenv rauc_part 3;" \
+	"      setenv rauc_slot B;" \
+	"    fi;" \
+	"  fi;" \
+	"done;" \
+	"if test -n \"${rauc_part}\"; then" \
+	"  saveenv ;" \
+	"else" \
+	"  echo \"No valid slot found, resetting tries to 3\";" \
+	"  setenv BOOT_A_LEFT 3;" \
+	"  setenv BOOT_B_LEFT 3;" \
+	"  saveenv;" \
+	"  reset;" \
+	"fi;" \
+	"setenv bootargs root=/dev/mmcblk0p${rauc_part} rauc.slot=${rauc_slot} czechlight=${czechlight} systemd.machine_id=${machineid} ${extra_bootargs};" \
+	"load mmc 0:${rauc_part} ${fdt_addr_r} /boot/czechlight-clearfog.dtb || reset;" \
+	"load mmc 0:${rauc_part} ${kernel_addr_r} /boot/zImage || reset;" \
+	"bootz ${kernel_addr_r} - ${fdt_addr_r} || reset\0"
 
 #endif /* CONFIG_SPL_BUILD */