Merge remote-tracking branch cros/main into firmware-fpmcu-bloonchipper-releasefirmware-fpmcu-bloonchipper-release

Generated by: ./util/update_release_branch.py --board bloonchipper
--relevant_paths_file ./util/fingerprint-relevant-paths.txt firmware-
fpmcu-bloonchipper-release

Relevant changes:

git log --oneline e5fb0b9ba4..28712dae9d -- board/hatch_fp
board/bloonchipper common/fpsensor docs/fingerprint driver/fingerprint
util/getversion.sh

ded9307b79 util/getversion.sh: Fix version when not in a git repo
956055e692 board: change Google USB vendor info
71b2ef709d Update license boilerplate text in source code files
33e11afda0 Revert "fpsensor: Build fpsensor source file with C++"
c8d0360723 fpsensor: Build fpsensor source file with C++
bc113abd53 fpsensor: Fix g++ compiler error
150a58a0dc fpsensor: Fix fp_set_sensor_mode return type
b33b5ce85b fpsensor: Remove nested designators for C++ compatibility
2e864b2539 tree-wide: const-ify argv for console commands
56d8b360f9 test: Add test for get ikm failure when seed not set
3a3d6c3690 test: Add test for fpsensor trivial key failure
233e6bbd08 fpsensor_crypto: Abstract calls to hmac_SHA256
0a041b285b docs/fingerprint: Typo correction
c03fab67e2 docs/fingerprint: Fix the path of fputils.py
0b5d4baf5a util/getversion.sh: Fix empty file list handling
6e128fe760 FPMCU dev board environment with Satlab
3eb29b6aa5 builtin: Move ssize_t to sys/types.h
345d62ebd1 docs/fingerprint: Update power numbers for latest dartmonkey release
c25ffdb316 common: Conditionally support printf %l and %i modifiers
9a3c514b45 test: Add a test to check if the debugger is connected
54e603413f Move standard library tests to their own file
43fa6b4bf8 docs/fingerprint: Update power numbers for latest bloonchipper release
25536f9a84 driver/fingerprint/fpc/bep/fpc_sensor_spi.c: Format with clang-format
4face99efd driver/fingerprint/fpc/libfp/fpc_sensor_pal.h: Format with clang-format
738de2b575 trng: Rename rand to trng_rand
14b8270edd docs/fingerprint: Update dragonclaw power numbers
0b268f93d1 driver/fingerprint/fpc/libfp/fpc_private.c: Format with clang-format
f80da163f2 driver/fingerprint/fpc/libfp/fpc_private.h: Format with clang-format
5e9c85c9b1 driver/fingerprint/fpc/libfp/fpc_sensor_pal.c: Format with clang-format
c1f9dd3cf8 driver/fingerprint/fpc/libfp/fpc_bio_algorithm.h: Format with clang-format
eb1e1bed8d driver/fingerprint/fpc/libfp/fpc1145_private.h: Format with clang-format
6e7b611821 driver/fingerprint/fpc/bep/fpc_bio_algorithm.h: Format with clang-format
e0589cd5e2 driver/fingerprint/fpc/bep/fpc1035_private.h: Format with clang-format
7905e556a0 common/fpsensor/fpsensor_crypto.c: Format with clang-format
21289d170c driver/fingerprint/fpc/bep/fpc1025_private.h: Format with clang-format
98a20f937e common/fpsensor/fpsensor_state.c: Format with clang-format
a2d255d8af common/fpsensor/fpsensor.c: Format with clang-format
73055eeb3f driver/fingerprint/fpc/bep/fpc_private.c: Format with clang-format
0f7b5cb509 common/fpsensor/fpsensor_private.h: Format with clang-format
1ceade6e65 driver/fingerprint/fpc/bep/fpc_private.h: Format with clang-format
dc3e9008b8 board/hatch_fp/board.h: Format with clang-format
dca9d74321 Revert "trng: Rename rand to trng_rand"
a6b0b3554f trng: Rename rand to trng_rand
28d0b75b70 third_party/boringssl: Remove unused header

BRANCH=None
BUG=b:246424843 b:234181908 b:244781166 b:234181908 b:244387210
BUG=b:242720240 chromium:1098010 b:180945056 b:236025198 b:234181908
BUG=b:234181908 b:237344361 b:131913998 b:236386294 b:234143158
BUG=b:234781655 b:215613183 b:242720910
TEST=`make -j buildall`
TEST=./test/run_device_tests.py --board bloonchipper
     Test "aes": PASSED
     Test "cec": PASSED
     Test "cortexm_fpu": PASSED
     Test "crc": PASSED
     Test "flash_physical": PASSED
     Test "flash_write_protect": PASSED
     Test "fpsensor_hw": PASSED
     Test "fpsensor_spi_ro": PASSED
     Test "fpsensor_spi_rw": PASSED
     Test "fpsensor_uart_ro": PASSED
     Test "fpsensor_uart_rw": PASSED
     Test "mpu_ro": PASSED
     Test "mpu_rw": PASSED
     Test "mutex": PASSED
     Test "pingpong": PASSED
     Test "printf": PASSED
     Test "queue": PASSED
     Test "rollback_region0": PASSED
     Test "rollback_region1": PASSED
     Test "rollback_entropy": PASSED
     Test "rtc": PASSED
     Test "sha256": PASSED
     Test "sha256_unrolled": PASSED
     Test "static_if": PASSED
     Test "stdlib": PASSED
     Test "system_is_locked_wp_on": PASSED
     Test "system_is_locked_wp_off": PASSED
     Test "timer_dos": PASSED
     Test "utils": PASSED
     Test "utils_str": PASSED
     Test "stm32f_rtc": PASSED
     Test "panic_data_bloonchipper_v2.0.4277": PASSED
     Test "panic_data_bloonchipper_v2.0.5938": PASSED

Force-Relevant-Builds: all
Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Change-Id: I264ad0ffe7afcd507a1e483c6e934a9c4fea47c3

1 files changed, 100 insertions, 115 deletions

diff --git a/board/coral/board.c b/board/coral/board.c
index 21729489bc..c63a2f6ddc 100644
--- a/board/coral/board.c
+++ b/board/coral/board.c
@@ -1,4 +1,4 @@
-/* Copyright 2016 The Chromium OS Authors. All rights reserved.
+/* Copyright 2016 The ChromiumOS Authors
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
@@ -33,6 +33,7 @@
 #include "math_util.h"
 #include "motion_sense.h"
 #include "motion_lid.h"
+#include "panic.h"
 #include "power.h"
 #include "power_button.h"
 #include "pwm.h"
@@ -53,15 +54,15 @@
 #include "usb_pd_tcpm.h"
 #include "util.h"
 
-#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
-#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
+#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ##args)
+#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ##args)
 
-#define IN_ALL_SYS_PG	POWER_SIGNAL_MASK(X86_ALL_SYS_PG)
-#define IN_PGOOD_PP3300	POWER_SIGNAL_MASK(X86_PGOOD_PP3300)
-#define IN_PGOOD_PP5000	POWER_SIGNAL_MASK(X86_PGOOD_PP5000)
+#define IN_ALL_SYS_PG POWER_SIGNAL_MASK(X86_ALL_SYS_PG)
+#define IN_PGOOD_PP3300 POWER_SIGNAL_MASK(X86_PGOOD_PP3300)
+#define IN_PGOOD_PP5000 POWER_SIGNAL_MASK(X86_PGOOD_PP5000)
 
-#define USB_PD_PORT_ANX74XX	0
-#define USB_PD_PORT_PS8751	1
+#define USB_PD_PORT_ANX74XX 0
+#define USB_PD_PORT_PS8751 1
 
 static int sku_id;
 
@@ -128,66 +129,51 @@ void tablet_mode_interrupt(enum gpio_signal signal)
 /* ADC channels */
 const struct adc_t adc_channels[] = {
 	/* Vfs = Vref = 2.816V, 10-bit unsigned reading */
-	[ADC_TEMP_SENSOR_CHARGER] = {
-		"CHARGER", NPCX_ADC_CH0, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0
-	},
-	[ADC_TEMP_SENSOR_AMB] = {
-		"AMBIENT", NPCX_ADC_CH1, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0
-	},
-	[ADC_BOARD_ID] = {
-		"BRD_ID", NPCX_ADC_CH2, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0
-	},
-	[ADC_BOARD_SKU_1] = {
-		"BRD_SKU_1", NPCX_ADC_CH3, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0
-	},
-	[ADC_BOARD_SKU_0] = {
-		"BRD_SKU_0", NPCX_ADC_CH4, ADC_MAX_VOLT, ADC_READ_MAX + 1, 0
-	},
+	[ADC_TEMP_SENSOR_CHARGER] = { "CHARGER", NPCX_ADC_CH0, ADC_MAX_VOLT,
+				      ADC_READ_MAX + 1, 0 },
+	[ADC_TEMP_SENSOR_AMB] = { "AMBIENT", NPCX_ADC_CH1, ADC_MAX_VOLT,
+				  ADC_READ_MAX + 1, 0 },
+	[ADC_BOARD_ID] = { "BRD_ID", NPCX_ADC_CH2, ADC_MAX_VOLT,
+			   ADC_READ_MAX + 1, 0 },
+	[ADC_BOARD_SKU_1] = { "BRD_SKU_1", NPCX_ADC_CH3, ADC_MAX_VOLT,
+			      ADC_READ_MAX + 1, 0 },
+	[ADC_BOARD_SKU_0] = { "BRD_SKU_0", NPCX_ADC_CH4, ADC_MAX_VOLT,
+			      ADC_READ_MAX + 1, 0 },
 };
 BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
 
 /* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
 const struct pwm_t pwm_channels[] = {
-	[PWM_CH_KBLIGHT] =   { 4, PWM_CONFIG_DSLEEP, 100 },
+	[PWM_CH_KBLIGHT] = { 4, PWM_CONFIG_DSLEEP, 100 },
 };
 BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
 
-const struct i2c_port_t i2c_ports[]  = {
-	{
-		.name = "tcpc0",
-		.port = NPCX_I2C_PORT0_0,
-		.kbps = 400,
-		.scl  = GPIO_EC_I2C_USB_C0_PD_SCL,
-		.sda  = GPIO_EC_I2C_USB_C0_PD_SDA
-	},
-	{
-		.name = "tcpc1",
-		.port = NPCX_I2C_PORT0_1,
-		.kbps = 400,
-		.scl  = GPIO_EC_I2C_USB_C1_PD_SCL,
-		.sda  = GPIO_EC_I2C_USB_C1_PD_SDA
-	},
-	{
-		.name = "accelgyro",
-		.port = I2C_PORT_GYRO,
-		.kbps = 400,
-		.scl  = GPIO_EC_I2C_GYRO_SCL,
-		.sda  = GPIO_EC_I2C_GYRO_SDA
-	},
-	{
-		.name = "sensors",
-		.port = NPCX_I2C_PORT2,
-		.kbps = 400,
-		.scl  = GPIO_EC_I2C_SENSOR_SCL,
-		.sda  = GPIO_EC_I2C_SENSOR_SDA
-	},
-	{
-		.name = "batt",
-		.port = NPCX_I2C_PORT3,
-		.kbps = 100,
-		.scl  = GPIO_EC_I2C_POWER_SCL,
-		.sda  = GPIO_EC_I2C_POWER_SDA
-	},
+const struct i2c_port_t i2c_ports[] = {
+	{ .name = "tcpc0",
+	  .port = NPCX_I2C_PORT0_0,
+	  .kbps = 400,
+	  .scl = GPIO_EC_I2C_USB_C0_PD_SCL,
+	  .sda = GPIO_EC_I2C_USB_C0_PD_SDA },
+	{ .name = "tcpc1",
+	  .port = NPCX_I2C_PORT0_1,
+	  .kbps = 400,
+	  .scl = GPIO_EC_I2C_USB_C1_PD_SCL,
+	  .sda = GPIO_EC_I2C_USB_C1_PD_SDA },
+	{ .name = "accelgyro",
+	  .port = I2C_PORT_GYRO,
+	  .kbps = 400,
+	  .scl = GPIO_EC_I2C_GYRO_SCL,
+	  .sda = GPIO_EC_I2C_GYRO_SDA },
+	{ .name = "sensors",
+	  .port = NPCX_I2C_PORT2,
+	  .kbps = 400,
+	  .scl = GPIO_EC_I2C_SENSOR_SCL,
+	  .sda = GPIO_EC_I2C_SENSOR_SDA },
+	{ .name = "batt",
+	  .port = NPCX_I2C_PORT3,
+	  .kbps = 100,
+	  .scl = GPIO_EC_I2C_POWER_SCL,
+	  .sda = GPIO_EC_I2C_POWER_SDA },
 };
 const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
 
@@ -303,17 +289,21 @@ static int ps8751_tune_mux(const struct usb_mux *me)
 	return EC_SUCCESS;
 }
 
-const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+const struct usb_mux_chain usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
 	[USB_PD_PORT_ANX74XX] = {
-		.usb_port = USB_PD_PORT_ANX74XX,
-		.driver = &anx74xx_tcpm_usb_mux_driver,
-		.hpd_update = &anx74xx_tcpc_update_hpd_status,
+		.mux = &(const struct usb_mux) {
+			.usb_port = USB_PD_PORT_ANX74XX,
+			.driver = &anx74xx_tcpm_usb_mux_driver,
+			.hpd_update = &anx74xx_tcpc_update_hpd_status,
+		},
 	},
 	[USB_PD_PORT_PS8751] = {
-		.usb_port = USB_PD_PORT_PS8751,
-		.driver = &tcpci_tcpm_usb_mux_driver,
-		.hpd_update = &ps8xxx_tcpc_update_hpd_status,
-		.board_init = &ps8751_tune_mux,
+		.mux = &(const struct usb_mux) {
+			.usb_port = USB_PD_PORT_PS8751,
+			.driver = &tcpci_tcpm_usb_mux_driver,
+			.hpd_update = &ps8xxx_tcpc_update_hpd_status,
+			.board_init = &ps8751_tune_mux,
+		},
 	}
 };
 
@@ -419,28 +409,28 @@ static void board_tcpc_init(void)
 	gpio_enable_interrupt(GPIO_USB_C0_CABLE_DET);
 #endif
 	/*
-	* Initialize HPD to low; after sysjump SOC needs to see
-	* HPD pulse to enable video path
-	*/
+	 * Initialize HPD to low; after sysjump SOC needs to see
+	 * HPD pulse to enable video path
+	 */
 	for (int port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; ++port)
 		usb_mux_hpd_update(port, USB_PD_MUX_HPD_LVL_DEASSERTED |
-					 USB_PD_MUX_HPD_IRQ_DEASSERTED);
+						 USB_PD_MUX_HPD_IRQ_DEASSERTED);
 }
 DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_DEFAULT);
 
 const struct temp_sensor_t temp_sensors[] = {
-	[TEMP_SENSOR_BATTERY] = {.name = "Battery",
-				 .type = TEMP_SENSOR_TYPE_BATTERY,
-				 .read = charge_get_battery_temp,
-				 .idx = 0},
-	[TEMP_SENSOR_AMBIENT] = {.name = "Ambient",
-				 .type = TEMP_SENSOR_TYPE_BOARD,
-				 .read = get_temp_3v3_51k1_47k_4050b,
-				 .idx = ADC_TEMP_SENSOR_AMB},
-	[TEMP_SENSOR_CHARGER] = {.name = "Charger",
-				 .type = TEMP_SENSOR_TYPE_BOARD,
-				 .read = get_temp_3v3_13k7_47k_4050b,
-				 .idx = ADC_TEMP_SENSOR_CHARGER},
+	[TEMP_SENSOR_BATTERY] = { .name = "Battery",
+				  .type = TEMP_SENSOR_TYPE_BATTERY,
+				  .read = charge_get_battery_temp,
+				  .idx = 0 },
+	[TEMP_SENSOR_AMBIENT] = { .name = "Ambient",
+				  .type = TEMP_SENSOR_TYPE_BOARD,
+				  .read = get_temp_3v3_51k1_47k_4050b,
+				  .idx = ADC_TEMP_SENSOR_AMB },
+	[TEMP_SENSOR_CHARGER] = { .name = "Charger",
+				  .type = TEMP_SENSOR_TYPE_BOARD,
+				  .read = get_temp_3v3_13k7_47k_4050b,
+				  .idx = ADC_TEMP_SENSOR_CHARGER },
 };
 BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
 
@@ -564,8 +554,8 @@ int board_set_active_charge_port(int charge_port)
  * @param charge_ma     Desired charge limit (mA).
  * @param charge_mv     Negotiated charge voltage (mV).
  */
-void board_set_charge_limit(int port, int supplier, int charge_ma,
-			    int max_ma, int charge_mv)
+void board_set_charge_limit(int port, int supplier, int charge_ma, int max_ma,
+			    int charge_mv)
 {
 	/* Enable charging trigger by BC1.2 detection */
 	int bc12_enable = (supplier == CHARGE_SUPPLIER_BC12_CDP ||
@@ -577,8 +567,8 @@ void board_set_charge_limit(int port, int supplier, int charge_ma,
 		return;
 
 	charge_ma = (charge_ma * 95) / 100;
-	charge_set_input_current_limit(MAX(charge_ma,
-				   CONFIG_CHARGER_INPUT_CURRENT), charge_mv);
+	charge_set_input_current_limit(
+		MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT), charge_mv);
 }
 
 /**
@@ -688,17 +678,17 @@ void board_hibernate_late(void)
 	int i;
 	const uint32_t hibernate_pins[][2] = {
 		/* Turn off LEDs in hibernate */
-		{GPIO_BAT_LED_BLUE, GPIO_INPUT | GPIO_PULL_UP},
-		{GPIO_BAT_LED_AMBER, GPIO_INPUT | GPIO_PULL_UP},
-		{GPIO_LID_OPEN, GPIO_INT_RISING | GPIO_PULL_DOWN},
+		{ GPIO_BAT_LED_BLUE, GPIO_INPUT | GPIO_PULL_UP },
+		{ GPIO_BAT_LED_AMBER, GPIO_INPUT | GPIO_PULL_UP },
+		{ GPIO_LID_OPEN, GPIO_INT_RISING | GPIO_PULL_DOWN },
 
 		/*
 		 * BD99956 handles charge input automatically. We'll disable
 		 * charge output in hibernate. Charger will assert ACOK_OD
 		 * when VBUS or VCC are plugged in.
 		 */
-		{GPIO_USB_C0_5V_EN,       GPIO_INPUT  | GPIO_PULL_DOWN},
-		{GPIO_USB_C1_5V_EN,       GPIO_INPUT  | GPIO_PULL_DOWN},
+		{ GPIO_USB_C0_5V_EN, GPIO_INPUT | GPIO_PULL_DOWN },
+		{ GPIO_USB_C1_5V_EN, GPIO_INPUT | GPIO_PULL_DOWN },
 	};
 
 	/* Change GPIOs' state in hibernate for better power consumption */
@@ -725,17 +715,13 @@ static struct mutex g_lid_mutex;
 static struct mutex g_base_mutex;
 
 /* Matrix to rotate accelrator into standard reference frame */
-const mat33_fp_t base_standard_ref = {
-	{ 0, FLOAT_TO_FP(-1), 0},
-	{ FLOAT_TO_FP(1), 0,  0},
-	{ 0, 0,  FLOAT_TO_FP(1)}
-};
+const mat33_fp_t base_standard_ref = { { 0, FLOAT_TO_FP(-1), 0 },
+				       { FLOAT_TO_FP(1), 0, 0 },
+				       { 0, 0, FLOAT_TO_FP(1) } };
 
-const mat33_fp_t mag_standard_ref = {
-	{ FLOAT_TO_FP(-1), 0, 0},
-	{ 0,  FLOAT_TO_FP(1), 0},
-	{ 0, 0, FLOAT_TO_FP(-1)}
-};
+const mat33_fp_t mag_standard_ref = { { FLOAT_TO_FP(-1), 0, 0 },
+				      { 0, FLOAT_TO_FP(1), 0 },
+				      { 0, 0, FLOAT_TO_FP(-1) } };
 
 /* sensor private data */
 static struct kionix_accel_data g_kx022_data;
@@ -845,8 +831,8 @@ static void board_set_motion_sensor_count(uint8_t sku_id)
 	 * sensor. If a new SKU id is used that is not in the table, then the
 	 * number of motion sensors will remain as ARRAY_SIZE(motion_sensors).
 	 */
-	motion_sensor_count = SKU_IS_CONVERTIBLE(sku_id) ?
-		ARRAY_SIZE(motion_sensors) : 0;
+	motion_sensor_count =
+		SKU_IS_CONVERTIBLE(sku_id) ? ARRAY_SIZE(motion_sensors) : 0;
 
 	CPRINTS("Motion Sensor Count = %d", motion_sensor_count);
 }
@@ -857,11 +843,11 @@ struct {
 } const coral_board_versions[] = {
 	/* Vin = 3.3V, Ideal voltage, R2 values listed below */
 	/* R1 = 51.1 kOhm */
-	{ BOARD_VERSION_1, 200 },  /* 124 mV, 2.0 Kohm */
-	{ BOARD_VERSION_2, 366 },  /* 278 mV, 4.7 Kohm */
-	{ BOARD_VERSION_3, 550 },  /* 456 mV, 8.2  Kohm */
-	{ BOARD_VERSION_4, 752 },  /* 644 mV, 12.4 Kohm */
-	{ BOARD_VERSION_5, 927},   /* 860 mV, 18.0 Kohm */
+	{ BOARD_VERSION_1, 200 }, /* 124 mV, 2.0 Kohm */
+	{ BOARD_VERSION_2, 366 }, /* 278 mV, 4.7 Kohm */
+	{ BOARD_VERSION_3, 550 }, /* 456 mV, 8.2  Kohm */
+	{ BOARD_VERSION_4, 752 }, /* 644 mV, 12.4 Kohm */
+	{ BOARD_VERSION_5, 927 }, /* 860 mV, 18.0 Kohm */
 	{ BOARD_VERSION_6, 1073 }, /* 993 mV, 22.0 Kohm */
 	{ BOARD_VERSION_7, 1235 }, /* 1152 mV, 27.4 Kohm */
 	{ BOARD_VERSION_8, 1386 }, /* 1318 mV, 34.0 Kohm */
@@ -948,15 +934,15 @@ static void print_form_factor_list(int low, int high)
 	if (high > 255)
 		high = 255;
 	for (id = low; id <= high; id++) {
-		ccprintf("SKU ID %03d: %s\n", id, SKU_IS_CONVERTIBLE(id) ?
-			 "Convertible" : "Clamshell");
+		ccprintf("SKU ID %03d: %s\n", id,
+			 SKU_IS_CONVERTIBLE(id) ? "Convertible" : "Clamshell");
 		/* Don't print too many lines at once */
 		if (!(++count % 5))
 			msleep(20);
 	}
 }
 
-static int command_sku(int argc, char **argv)
+static int command_sku(int argc, const char **argv)
 {
 	enum adc_channel chan;
 
@@ -999,8 +985,7 @@ static int command_sku(int argc, char **argv)
 
 	return EC_SUCCESS;
 }
-DECLARE_CONSOLE_COMMAND(sku, command_sku,
-			"<board|line0|line1|form [low high]>",
+DECLARE_CONSOLE_COMMAND(sku, command_sku, "<board|line0|line1|form [low high]>",
 			"Get board id, sku, form factor");
 
 __override uint32_t board_get_sku_id(void)