diff options
Diffstat (limited to 'meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0022-Reboot-into-UBOOT-on-Watchdog-Failures.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0022-Reboot-into-UBOOT-on-Watchdog-Failures.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0022-Reboot-into-UBOOT-on-Watchdog-Failures.patch b/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0022-Reboot-into-UBOOT-on-Watchdog-Failures.patch new file mode 100644 index 000000000..9b87b5c57 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0022-Reboot-into-UBOOT-on-Watchdog-Failures.patch @@ -0,0 +1,114 @@ +From 1c879ae1f822f59d74cec9dd7ed10790279ad65b Mon Sep 17 00:00:00 2001 +From: James Feist <james.feist@linux.intel.com> +Date: Wed, 31 Jul 2019 16:01:49 -0700 +Subject: [PATCH] Reboot into UBOOT on Watchdog Failures + +We use watchdog1 to reboot when there is a watchdog +error. Reboot into u-boot as we are using that as +safe mode. + +Tested: watchdog -T 0 -F /dev/watchdog1 reboots into +uboot after 3 times + +Signed-off-by: James Feist <james.feist@linux.intel.com> +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + board/aspeed/ast2600_intel/intel.c | 61 ++++++++++++++++++++++++++++++ + 1 file changed, 61 insertions(+) + +diff --git a/board/aspeed/ast2600_intel/intel.c b/board/aspeed/ast2600_intel/intel.c +index 7664ac0ddfc6..24ae48fc62e7 100644 +--- a/board/aspeed/ast2600_intel/intel.c ++++ b/board/aspeed/ast2600_intel/intel.c +@@ -9,6 +9,55 @@ + #include <malloc.h> + + #define SYS_PWR_RESET_FLAG BIT(0) /* from scu_info.c */ ++#define WATCHDOG_RESET_BIT BIT(20) ++#define BOOT_FAILURE_LIMIT 3 ++ ++static int get_boot_failures(void) ++{ ++ return env_get_ulong("bootfailures", 10, 0); ++} ++ ++static void set_boot_failures(u32 count) ++{ ++ if (count > BOOT_FAILURE_LIMIT) ++ return; ++ ++ env_set_ulong("bootfailures", count); ++ env_save(); ++} ++ ++int intel_failed_boot(void) ++{ ++ struct udevice *dev; ++ int ret; ++ ++ ret = get_boot_failures() >= BOOT_FAILURE_LIMIT; ++ if (ret) { ++ /* ++ * Failure Recovery state: ++ * ChassisID - Solid Blue, StatusLED - Blinking Amber at 3Hz ++ */ ++ ret = led_get_by_label("green", &dev); ++ if (!ret) ++ led_set_state(dev, LEDST_OFF); ++ ++#ifdef CONFIG_LED_BLINK ++ ret = led_get_by_label("amber", &dev); ++ if (!ret) { ++ led_set_period(dev, 160); ++ led_set_state(dev, LEDST_BLINK); ++ } ++#endif ++ ++ ret = led_get_by_label("id", &dev); ++ if (!ret) ++ led_set_state(dev, LEDST_ON); ++ ++ return 1; ++ } ++ ++ return 0; ++} + + /* use GPIOC0 on intel boards */ + #define FFUJ_GPIO "gpio@1e78000016" +@@ -56,6 +105,10 @@ int read_ffuj(void) + int gpio_abort(void) + { + int value; ++ ++ if (intel_failed_boot()) ++ return 1; ++ + /* check ffuj to abort the autoboot */ + value = read_ffuj(); + printf("FFUJ: %d\n", value); +@@ -473,6 +526,7 @@ int board_late_init(void) + #define REV_ID_AST2600A0 0x05000303 /* AST2600 A0 */ + #define ONE_MSEC_IN_USEC 1000 + char value[11]; ++ u32 boot_failures; + + if (readl(SCU_BASE | SCU_014) == REV_ID_AST2600A0) + timer_enable(0, ONE_MSEC_IN_USEC, timer_callback, (void *)0); +@@ -488,6 +542,13 @@ int board_late_init(void) + snprintf(value, sizeof(value), "0x%x", gd->reset_reason); + update_bootargs_cmd("resetreason", value); + ++ boot_failures = get_boot_failures(); ++ ++ if (gd->reset_reason & WATCHDOG_RESET_BIT) ++ set_boot_failures(boot_failures + 1); ++ else ++ set_boot_failures(0); ++ + /* Update the special mode in bootargs */ + if (gd->reset_reason & SYS_PWR_RESET_FLAG && is_mfg_mode_phy_req()) + update_bootargs_cmd("special", "mfg"); +-- +2.17.1 + |