diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch new file mode 100644 index 000000000..2d63314af --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch @@ -0,0 +1,113 @@ +From 4c87d6074fb36d423f135392983d225785abf43a Mon Sep 17 00:00:00 2001 +From: AppaRao Puli <apparao.puli@linux.intel.com> +Date: Thu, 20 Jun 2019 18:11:43 +0530 +Subject: [PATCH] Manufacturing mode physical presence detection + +Support for physical presence of manufacturing mode added. +Front panel power button press for 15 seconds will be detected +and marked as special mode for manufacturing request. +There will be 10 second Status LED blink for 10 seconds to +do the physical indication to the user. This indicates the +user that he has pressed power button long enough for +manufacturing mode detection. + +Tested: +1. Verified by holding the power button when u-boot boots for +15 seconds, and confirmed that bootargs passed to linux has +special=mfg string and status led blink physical indication +has been provided +2. Verified in normal condition special=mfg string is not passed +and no physical indication has been provided + +Change-Id: Id7e7c7e7860c7ef3ae8e3a7a7cfda7ff506c0f2b +Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com> +Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com> + +--- + board/aspeed/ast-g5/ast-g5-gpio.h | 2 +- + board/aspeed/ast-g5/ast-g5-intel.c | 35 +++++++++++++++++++++++++++++++++++ + 2 files changed, 36 insertions(+), 1 deletion(-) + +diff --git a/board/aspeed/ast-g5/ast-g5-gpio.h b/board/aspeed/ast-g5/ast-g5-gpio.h +index a820c0f..ed2499f 100644 +--- a/board/aspeed/ast-g5/ast-g5-gpio.h ++++ b/board/aspeed/ast-g5/ast-g5-gpio.h +@@ -72,7 +72,7 @@ + #define AMB_LED_PORT_PIN PORT_PIN(GPIO_PORT_S, GPIO_PIN_5) + #define FORCE_BMC_UPDATE_PORT_PIN PORT_PIN(GPIO_PORT_D, GPIO_PIN_0) + #define TPM_EN_PULSE_PORT_PIN PORT_PIN(GPIO_PORT_D, GPIO_PIN_6) +- ++#define FP_PWR_BTN_PORT_PIN PORT_PIN(GPIO_PORT_E, GPIO_PIN_2) + + // GPIO Configuration Register bits + #define GPCFG_EVENT_TO_SMI (1 << 7) // 1 == enabled +diff --git a/board/aspeed/ast-g5/ast-g5-intel.c b/board/aspeed/ast-g5/ast-g5-intel.c +index 55afa09..452cb5c 100644 +--- a/board/aspeed/ast-g5/ast-g5-intel.c ++++ b/board/aspeed/ast-g5/ast-g5-intel.c +@@ -24,6 +24,7 @@ enum gpio_names { + GPIO_AMBER_LED, + GPIO_FF_UPD_JUMPER, + GPIO_ENABLE_TPM_PULSE, ++ GPIO_FP_PWR_BTN, + }; + + #define GPIO_CFG_DEFAULT (GPCFG_ACTIVE_HIGH | GPCFG_LEVEL_TRIG) +@@ -55,6 +56,10 @@ static const GPIOValue gpio_table[] = { + /* Enable Pulse -- pin D6 */ + [GPIO_ENABLE_TPM_PULSE] = {TPM_EN_PULSE_PORT_PIN, GPCFG_OUTPUT_EN, 0, + GPIO_DEBOUNCE_NONE}, ++ /* Front Panel Power Button -- pin E2 */ ++ [GPIO_FP_PWR_BTN] = {FP_PWR_BTN_PORT_PIN, GPIO_CFG_DEFAULT, 0, ++ GPIO_DEBOUNCE_8MS}, ++ + }; + + #define LPC_SNOOP_ADDR 0x80 +@@ -373,6 +378,30 @@ static void update_bootargs_cmd(const char *key, const char *value) + free(buf); + } + ++static bool is_mfg_mode_phy_req(void) ++{ ++ /* ++ * Assume mfg mode physical request is made, if power button ++ * is pressed continously for 15 seconds, indicate the ++ * same in bootargs ++ */ ++ const uint32_t delay_in_ms = 100; ++ const uint32_t read_count = ((15 * 1000) / delay_in_ms); ++ const uint32_t delay_for_indication = 10 * 1000; ++ for (uint32_t count = 0; count < read_count; ++count) { ++ if (!gpio_get_value(GPIO_FP_PWR_BTN)) ++ return false; ++ ++ mdelay(delay_in_ms); ++ } ++ debug("is_mfg_mode_phy_req : detected mfg mode request\n"); ++ id_led_control(GPIO_GREEN_LED, EIDLED_Blink_3HZ); ++ /* Delay the boot to do physical indication for mfg mode */ ++ mdelay(delay_for_indication); ++ ++ return true; ++} ++ + void ast_g5_intel_late_init(void) + { + char value[32]; +@@ -420,6 +449,12 @@ void ast_g5_intel_late_init(void) + ast_scu_write(0, AST_SCU_SYS_CTRL); + + update_bootargs_cmd("resetreason", value); ++ ++ /* Update the special mode in bootargs */ ++ if (is_mfg_mode_phy_req()) ++ update_bootargs_cmd("special", "mfg"); ++ else ++ update_bootargs_cmd("special", NULL); + } + + static void pwm_init(void) +-- +2.7.4 + |