diff options
Diffstat (limited to 'meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0020-Add-BMC-running-indicator-LED-control.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0020-Add-BMC-running-indicator-LED-control.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0020-Add-BMC-running-indicator-LED-control.patch b/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0020-Add-BMC-running-indicator-LED-control.patch new file mode 100644 index 000000000..a30f7a7b8 --- /dev/null +++ b/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0020-Add-BMC-running-indicator-LED-control.patch @@ -0,0 +1,62 @@ +From 5029f400e62981278957f62c5f8b4e22c2faecd9 Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +Date: Fri, 26 Jun 2020 14:35:47 -0700 +Subject: [PATCH] Add BMC running indicator LED control + +HBLED cannot be enabled due to a conflict with PWM15 pin and H/W +team is not going to change board layout for supporting HBLED to +keep compatibility between board revisions. Instead, we are going +to use the LED connected to GPIO V5 as BMC running indicator LED. +This commit adds the LED control. + +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + board/aspeed/ast2600_intel/intel.c | 18 ++++++++++++++++++ + 1 file changed, 18 insertions(+) + +diff --git a/board/aspeed/ast2600_intel/intel.c b/board/aspeed/ast2600_intel/intel.c +index e93ef57dabed..565893777ffc 100644 +--- a/board/aspeed/ast2600_intel/intel.c ++++ b/board/aspeed/ast2600_intel/intel.c +@@ -192,6 +192,8 @@ static void sgpio_init(void) + #define GPIO_024 0x024 /* GPIO E/F/G/H Direction */ + #define GPIO_070 0x070 /* GPIO I/J/K/L Value */ + #define GPIO_074 0x074 /* GPIO I/J/K/L Direction */ ++#define GPIO_088 0x088 /* GPIO U/V/W/X Value */ ++#define GPIO_08C 0x08C /* GPIO U/V/W/X Direction */ + + static void set_gpio_default_state(void) + { +@@ -252,6 +254,20 @@ void enable_onboard_tpm(void) + AST_GPIO_BASE | GPIO_000); + } + ++void bmc_running_indicator(bool on) ++{ ++#define GPIO_V5 BIT(13) ++ ++ writel(readl(AST_GPIO_BASE | GPIO_08C) | GPIO_V5, ++ AST_GPIO_BASE | GPIO_08C); ++ if (on) ++ writel(readl(AST_GPIO_BASE | GPIO_088) & ~GPIO_V5, ++ AST_GPIO_BASE | GPIO_088); ++ else ++ writel(readl(AST_GPIO_BASE | GPIO_088) | GPIO_V5, ++ AST_GPIO_BASE | GPIO_088); ++} ++ + static void timer_callback(void *cookie) + { + uint timer_nr = (uint)cookie; +@@ -292,6 +308,8 @@ int board_early_init_r(void) + + enable_onboard_tpm(); + ++ bmc_running_indicator(true); ++ + return 0; + } + +-- +2.7.4 + |