diff options
Diffstat (limited to 'meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0017-Manufacturing-mode-physical-presence-detection.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0017-Manufacturing-mode-physical-presence-detection.patch | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0017-Manufacturing-mode-physical-presence-detection.patch b/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0017-Manufacturing-mode-physical-presence-detection.patch new file mode 100644 index 000000000..0b0fb466d --- /dev/null +++ b/meta-openbmc-mods/meta-ast2600/recipes-bsp/u-boot/files/0017-Manufacturing-mode-physical-presence-detection.patch @@ -0,0 +1,106 @@ +From 8bfaae756740589ec9644a5ddcd8b19d7d7b9b73 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. +//TODO: +//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 + +Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com> +Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com> +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + board/aspeed/ast2600_intel/intel.c | 49 ++++++++++++++++++++++++++++++++++++++ + 1 file changed, 49 insertions(+) + +diff --git a/board/aspeed/ast2600_intel/intel.c b/board/aspeed/ast2600_intel/intel.c +index 95e5492009d7..367657df56d1 100644 +--- a/board/aspeed/ast2600_intel/intel.c ++++ b/board/aspeed/ast2600_intel/intel.c +@@ -39,6 +39,26 @@ int gpio_abort(void) + return value <= 0 ? 0 : 1; + } + ++int read_frontpanel_power_button(void) ++{ ++#define FP_PWRBTN_GPIO "gpio@1e780000122" /* GPIOP2 */ ++ struct gpio_desc desc; ++ int ret; ++ ++ ret = dm_gpio_lookup_name(FP_PWRBTN_GPIO, &desc); ++ if (ret) ++ return ret; ++ ret = dm_gpio_request(&desc, "fp_pwrbtn"); ++ if (ret) ++ return ret; ++ ret = dm_gpio_set_dir_flags(&desc, GPIOD_ACTIVE_LOW); ++ if (ret) ++ return ret; ++ ret = dm_gpio_get_value(&desc); ++ dm_gpio_free(desc.dev, &desc); ++ return ret; ++} ++ + #define SCU_BASE 0x1E6E2000 + #define SCU_338 0x338 //Generate UART 24 MHz Reference from UXCLK + #define SCU_33C 0x33c //Generate UART 24 MHz Reference from HUXCLK +@@ -334,6 +354,31 @@ 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 (read_frontpanel_power_button() != 1) ++ return false; ++ ++ mdelay(delay_in_ms); ++ } ++ debug("is_mfg_mode_phy_req : detected mfg mode request\n"); ++ // TODO: enable id led control ++ //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; ++} ++ + extern void espi_init(void); + extern void kcs_init(void); + extern void timer_enable(int n, u32 interval_us, interrupt_handler_t *handler, +@@ -354,6 +399,10 @@ int board_late_init(void) + snprintf(value, sizeof(value), "0x%x", gd->reset_reason); + update_bootargs_cmd("resetreason", value); + ++ /* Update the special mode in bootargs */ ++ if (is_mfg_mode_phy_req()) ++ update_bootargs_cmd("special", "mfg"); ++ + if (read_ffuj()) + kcs_init(); + +-- +2.7.4 + |