diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0004-Disable-crashdump-trigger-gpio.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0004-Disable-crashdump-trigger-gpio.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0004-Disable-crashdump-trigger-gpio.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0004-Disable-crashdump-trigger-gpio.patch new file mode 100644 index 000000000..6ffdbc702 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0004-Disable-crashdump-trigger-gpio.patch @@ -0,0 +1,57 @@ +From aae3bab86f19784cbe0767ea0973527ce217bf89 Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +Date: Fri, 3 Jan 2020 15:14:09 -0800 +Subject: [PATCH] Disable crashdump trigger gpio + +This commit disables crashdump trigger gpio (GPIOC3) to prevent +unexpected host failures. + +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + board/aspeed/ast2600_intel/intel.c | 23 +++++++++++++++++++++++ + 1 file changed, 23 insertions(+) + +diff --git a/board/aspeed/ast2600_intel/intel.c b/board/aspeed/ast2600_intel/intel.c +index eb6fbaf77e66..7daf1b83305a 100644 +--- a/board/aspeed/ast2600_intel/intel.c ++++ b/board/aspeed/ast2600_intel/intel.c +@@ -146,6 +146,27 @@ static void sgpio_init(void) + writel(value, AST_GPIO_BASE + GPIO254); + } + ++static void disable_crashlog_trigger(void) ++{ ++#define SCU_410 0x410 /* Multi-function Pin Control #4 */ ++#define SCU_410_RGMII3TXD1 BIT(19) ++#define GPIO_004 0x004 /* GPIO A/B/C/D Direction */ ++#define GPIO_000 0x000 /* GPIO A/B/C/D Value */ ++#define GPIO_C3 BIT(19) ++ ++ /* ++ * Set FM_BMC_CRASHLOG_TRIG_N (GPIOC3) as an output with value high ++ * explicitly since it doesn't have an external pull up. It uses direct ++ * register access because it's called from board_early_init_f(). ++ */ ++ writel(readl(SCU_BASE | SCU_410) & ~SCU_410_RGMII3TXD1, ++ SCU_BASE | SCU_410); ++ writel(readl(AST_GPIO_BASE | GPIO_004) | GPIO_C3, ++ AST_GPIO_BASE | GPIO_004); ++ writel(readl(AST_GPIO_BASE | GPIO_000) | GPIO_C3, ++ AST_GPIO_BASE | GPIO_000); ++} ++ + void espi_init(void); + int arch_interrupt_init_early(void); + +@@ -162,6 +183,8 @@ int board_early_init_f(void) + * I am not sure if it actually does anything... */ + arch_interrupt_init_early(); + ++ disable_crashlog_trigger(); ++ + gpio_passthru_init(); + + port80h_snoop_init(); +-- +2.7.4 + |