diff options
Diffstat (limited to 'meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch b/meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch new file mode 100644 index 000000000..eaccfa99e --- /dev/null +++ b/meta-openbmc-mods/meta-ast2500/recipes-bsp/u-boot/files/0025-Manufacturing-mode-physical-presence-detection.patch @@ -0,0 +1,195 @@ +From 8a2f6a42c3be0426803fc0a70444ba95bf73443f 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 | 57 ++++++++++++++++++++++++++++++ + board/aspeed/ast-g5/ast-g5.c | 2 -- + common/autoboot.c | 16 +++++++-- + 4 files changed, 72 insertions(+), 5 deletions(-) + +diff --git a/board/aspeed/ast-g5/ast-g5-gpio.h b/board/aspeed/ast-g5/ast-g5-gpio.h +index 54b7388a22f5..8ccf4373460b 100644 +--- a/board/aspeed/ast-g5/ast-g5-gpio.h ++++ b/board/aspeed/ast-g5/ast-g5-gpio.h +@@ -73,7 +73,7 @@ + #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 45ecd83fd3f0..6ea7f0060c57 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) +@@ -58,6 +59,10 @@ 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_LOW_INPUT, 0, ++ GPIO_DEBOUNCE_8MS}, ++ + }; + + #define LPC_SNOOP_ADDR 0x80 +@@ -109,6 +114,8 @@ static const GPIOValue gpio_table[] = { + #define HOST_SERIAL_A_HIGH_SPEED (1 << 0) + #define HOST_SERIAL_B_HIGH_SPEED (1 << 1) + ++#define POWERON_RESET_BIT BIT(0) ++ + static void sgpio_init(void) + { + uint32_t value; +@@ -403,6 +410,44 @@ 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 = 2 * 1000; ++ uint32_t count; ++ ++ for (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 up to 15 seconds until the power button is released to prevent ++ * unintentional power button overriding to PCH through GPIO ++ * pass-through. ++ */ ++ for (count = 0; count < read_count; ++count) { ++ if (!gpio_get_value(GPIO_FP_PWR_BTN)) ++ break; ++ ++ mdelay(delay_in_ms); ++ } ++ /* Keep the indication at least for 2 seconds */ ++ if (delay_in_ms * count < delay_for_indication) ++ mdelay(delay_for_indication - (delay_in_ms * count)); ++ ++ return true; ++} ++ + void ast_g5_intel_late_init(void) + { + char value[32]; +@@ -450,6 +495,18 @@ 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 (reset_reason & POWERON_RESET_BIT && is_mfg_mode_phy_req()) ++ update_bootargs_cmd("special", "mfg"); ++ else ++ update_bootargs_cmd("special", NULL); ++ ++ ast_enable_pass_through(); ++} ++ ++void board_pre_abort_autoboot(void) ++{ + } + + static void pwm_init(void) +diff --git a/board/aspeed/ast-g5/ast-g5.c b/board/aspeed/ast-g5/ast-g5.c +index d89a2b799a05..a4f3681c0602 100644 +--- a/board/aspeed/ast-g5/ast-g5.c ++++ b/board/aspeed/ast-g5/ast-g5.c +@@ -28,8 +28,6 @@ int board_early_init_f(void) + { + /* make sure uart5 is using 24MHz clock */ + ast_config_uart5_clk(); +- /*enable pass through*/ +- ast_enable_pass_through(); + arch_interrupt_init_early(); + + return 0; +diff --git a/common/autoboot.c b/common/autoboot.c +index d66c0fa63a3e..570d8956988c 100644 +--- a/common/autoboot.c ++++ b/common/autoboot.c +@@ -256,13 +256,21 @@ static int __abortboot(int bootdelay) + } + # endif /* CONFIG_AUTOBOOT_KEYED */ + ++/* Allow for board specific config when we check abort condition */ ++__weak void board_pre_abort_autoboot(void) ++{ ++ /* please define board specific board_pre_abort_autoboot() */ ++} ++ + static int abortboot(int bootdelay) + { + int abort = 0; + + # ifdef AST_G5_INTEL +- if (intel_force_firmware_jumper_enabled()) +- return 1; ++ if (intel_force_firmware_jumper_enabled()) { ++ abort = 1; ++ goto exit; ++ } + # endif + + if (bootdelay >= 0) +@@ -273,6 +281,10 @@ static int abortboot(int bootdelay) + gd->flags &= ~GD_FLG_SILENT; + #endif + ++exit: ++ if (abort) ++ board_pre_abort_autoboot(); ++ + return abort; + } + +-- +2.17.1 + |