Gandof: Init board

Copy Yuna setting to init board.

BUG=none
BRANCH=gandof
TEST=Run "make BOARD=gandof" and "make buildall -j" to build code
 and ec.bin can be generated.

Change-Id: I5f6332a0af60fddce068fb8d59cd4a3420869da7
Signed-off-by: David Huang <David.Huang@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/264247
Reviewed-by: Mohammed Habibulla <moch@google.com>
Commit-Queue: David Wu <david_wu@quantatw.com>
Tested-by: David Wu <david_wu@quantatw.com>

9 files changed, 757 insertions, 0 deletions

diff --git a/board/gandof/Makefile b/board/gandof/Makefile
new file mode 120000
index 0000000000..94aaae2c4d
--- /dev/null
+++ b/board/gandof/Makefile
@@ -0,0 +1 @@
+../../Makefile
\ No newline at end of file
diff --git a/board/gandof/battery.c b/board/gandof/battery.c
new file mode 100644
index 0000000000..bcb8ed036f
--- /dev/null
+++ b/board/gandof/battery.c
@@ -0,0 +1,63 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Battery pack vendor provided charging profile
+ */
+
+#include "battery.h"
+#include "battery_smart.h"
+#include "gpio.h"
+#include "host_command.h"
+
+#define SB_SHIP_MODE_ADDR	0x3a
+#define SB_SHIP_MODE_DATA	0xc574
+
+/* Values for 48Wh 4UAF495780-1-T1186/AC011353-PRR14G01 battery */
+static const struct battery_info info_4s1p = {
+
+	.voltage_max    = 17200,
+	.voltage_normal = 15200, /* Average of max & min */
+	.voltage_min    = 12000,
+
+	/* Pre-charge values. */
+	.precharge_current  = 256,	/* mA */
+
+	.start_charging_min_c = 0,
+	.start_charging_max_c = 50,
+	.charging_min_c       = 0,
+	.charging_max_c       = 60,
+	.discharging_min_c    = 0,
+	.discharging_max_c    = 40,
+};
+
+/* Values for 54Wh LIS3091ACPC(SYS6)/AC011401-PRR13G01 battery */
+static const struct battery_info info_3s1p = {
+
+	.voltage_max    = 12600,
+	.voltage_normal = 11100, /* Average of max & min */
+	.voltage_min    = 9000,
+
+	 /* Pre-charge values. */
+	.precharge_current  = 256,      /* mA */
+
+	.start_charging_min_c = 0,
+	.start_charging_max_c = 50,
+	.charging_min_c       = 0,
+	.charging_max_c       = 60,
+	.discharging_min_c    = 0,
+	.discharging_max_c    = 75,
+};
+
+const struct battery_info *battery_get_info(void)
+{
+	if (gpio_get_level(GPIO_BAT_ID))
+		return &info_3s1p;
+	else
+		return &info_4s1p;
+}
+
+int board_cut_off_battery(void)
+{
+	return sb_write(SB_SHIP_MODE_ADDR, SB_SHIP_MODE_DATA);
+}
diff --git a/board/gandof/board.c b/board/gandof/board.c
new file mode 100644
index 0000000000..7a7bac0564
--- /dev/null
+++ b/board/gandof/board.c
@@ -0,0 +1,207 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+/* EC for Gandof board configuration */
+
+#include "adc.h"
+#include "adc_chip.h"
+#include "backlight.h"
+#include "chipset.h"
+#include "common.h"
+#include "console.h"
+#include "driver/temp_sensor/g781.h"
+#include "extpower.h"
+#include "fan.h"
+#include "gpio.h"
+#include "host_command.h"
+#include "i2c.h"
+#include "jtag.h"
+#include "keyboard_scan.h"
+#include "lid_switch.h"
+#include "peci.h"
+#include "power.h"
+#include "power_button.h"
+#include "pwm.h"
+#include "pwm_chip.h"
+#include "registers.h"
+#include "switch.h"
+#include "temp_sensor.h"
+#include "temp_sensor_chip.h"
+#include "thermal.h"
+#include "timer.h"
+#include "uart.h"
+#include "util.h"
+
+#include "gpio_list.h"
+
+#ifdef CONFIG_FAN_RPM_CUSTOM
+#define NUM_FAN_LEVELS 8
+
+struct fan_step {
+	int on;
+	int off;
+	int rpm;
+};
+
+/* Do not make the fan on/off point equal to 0 or 100 */
+const struct fan_step fan_table[NUM_FAN_LEVELS] = {
+	{.rpm = 0},
+	{.on = 9, .off = 1, .rpm = 3200},
+	{.on = 20, .off = 12, .rpm = 3700},
+	{.on = 31, .off = 23, .rpm = 4000},
+	{.on = 37, .off = 29, .rpm = 4400},
+	{.on = 40, .off = 32, .rpm = 4900},
+	{.on = 59, .off = 51, .rpm = 5500},
+	{.on = 98, .off = 90, .rpm = 6500},
+};
+
+int fan_percent_to_rpm(int fan, int pct)
+{
+	static int index;
+	static int previous_pct;
+	int i;
+	int temp_index;
+
+	/*
+	 * Compare the pct and previous pct, we have the three paths :
+	 *  1. decreasing path. (check the off point)
+	 *  2. increasing path. (check the on point)
+	 *  3. invariant path. (return the current RPM)
+	 */
+	if (pct == previous_pct) {
+		temp_index = index;
+	} else if (pct < previous_pct) {
+		temp_index = 0;
+		for (i = 1; i <= index; i++) {
+			if (pct > fan_table[i].off)
+				temp_index = i;
+			else
+				break;
+		}
+	} else {
+		temp_index = NUM_FAN_LEVELS - 1;
+		for (i = NUM_FAN_LEVELS - 1; i > index; i--) {
+			if (pct < fan_table[i].on)
+				temp_index = i - 1;
+			else
+				break;
+		}
+	}
+	index = temp_index;
+
+	previous_pct = pct;
+
+	if (fan_table[index].rpm != fan_get_rpm_target(fans[fan].ch))
+		cprintf(CC_THERMAL, "[%T Setting fan RPM to %d]\n",
+			fan_table[index].rpm);
+
+	return fan_table[index].rpm;
+}
+#endif /* CONFIG_FAN_RPM_CUSTOM */
+
+/* power signal list.  Must match order of enum power_signal. */
+const struct power_signal_info power_signal_list[] = {
+	{GPIO_PP5000_PGOOD,  1, "PGOOD_PP5000"},
+	{GPIO_PP1350_PGOOD,  1, "PGOOD_PP1350"},
+	{GPIO_PP1050_PGOOD,  1, "PGOOD_PP1050"},
+	{GPIO_VCORE_PGOOD,   1, "PGOOD_VCORE"},
+	{GPIO_PCH_SLP_S0_L,  1, "SLP_S0#_DEASSERTED"},
+	{GPIO_PCH_SLP_S3_L,  1, "SLP_S3#_DEASSERTED"},
+	{GPIO_PCH_SLP_S5_L,  1, "SLP_S5#_DEASSERTED"},
+	{GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS#_DEASSERTED"},
+};
+BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
+
+/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
+const struct adc_t adc_channels[] = {
+	/* EC internal temperature is calculated by
+	 * 273 + (295 - 450 * ADC_VALUE / ADC_READ_MAX) / 2
+	 * = -225 * ADC_VALUE / ADC_READ_MAX + 420.5
+	 */
+	{"ECTemp", LM4_ADC_SEQ0, -225, ADC_READ_MAX, 420,
+	 LM4_AIN_NONE, 0x0e /* TS0 | IE0 | END0 */, 0, 0},
+
+	/* IOUT == ICMNT is on PE3/AIN0 */
+	/* We have 0.01-ohm resistors, and IOUT is 20X the differential
+	 * voltage, so 1000mA ==> 200mV.
+	 * ADC returns 0x000-0xFFF, which maps to 0.0-3.3V (as configured).
+	 * mA = 1000 * ADC_VALUE / ADC_READ_MAX * 3300 / 200
+	 */
+	{"ChargerCurrent", LM4_ADC_SEQ1, 33000, ADC_READ_MAX * 2, 0,
+	 LM4_AIN(0), 0x06 /* IE0 | END0 */, LM4_GPIO_E, (1<<3)},
+};
+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[] = {
+	{0, 0},
+};
+BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
+
+/* Physical fans. These are logically separate from pwm_channels. */
+const struct fan_t fans[] = {
+	{.flags = FAN_USE_RPM_MODE,
+	 .rpm_min = 3200,
+	 .rpm_max = 6500,
+	 .ch = 2,
+	 .pgood_gpio = GPIO_PP5000_PGOOD,
+	 .enable_gpio = GPIO_PP5000_FAN_EN,
+	},
+};
+BUILD_ASSERT(ARRAY_SIZE(fans) == CONFIG_FANS);
+
+/* I2C ports */
+const struct i2c_port_t i2c_ports[] = {
+	{"batt_chg", 0, 100},
+	{"thermal",  5, 100},
+};
+const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
+
+/* Temperature sensors data; must be in same order as enum temp_sensor_id. */
+const struct temp_sensor_t temp_sensors[] = {
+	{"PECI", TEMP_SENSOR_TYPE_CPU, peci_temp_sensor_get_val, 0, 2},
+	{"ECInternal", TEMP_SENSOR_TYPE_BOARD, chip_temp_sensor_get_val, 0, 4},
+	{"G781Internal", TEMP_SENSOR_TYPE_BOARD, g781_get_val,
+		G781_IDX_INTERNAL, 4},
+	{"G781External", TEMP_SENSOR_TYPE_BOARD, g781_get_val,
+		G781_IDX_EXTERNAL, 4},
+};
+BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
+
+/* Thermal limits for each temp sensor. All temps are in degrees K. Must be in
+ * same order as enum temp_sensor_id. To always ignore any temp, use 0.
+ */
+struct ec_thermal_config thermal_params[] = {
+	/* Only the AP affects the thermal limits and fan speed. */
+	{{C_TO_K(95), C_TO_K(97), C_TO_K(105)}, C_TO_K(32), C_TO_K(96)},
+	{{0, 0, 0}, 0, 0},
+	{{0, 0, 0}, 0, 0},
+	{{0, 0, 0}, 0, 0},
+};
+BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
+
+struct keyboard_scan_config keyscan_config = {
+	.output_settle_us = 40,
+	.debounce_down_us = 6 * MSEC,
+	.debounce_up_us = 30 * MSEC,
+	.scan_period_us = 1500,
+	.min_post_scan_delay_us = 1000,
+	.poll_timeout_us = SECOND,
+	.actual_key_mask = {
+		0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff,
+		0xa4, 0xff, 0xf6, 0x55, 0xfa, 0xca  /* full set */
+	},
+};
+
+/**
+ * Discharge battery when on AC power for factory test.
+ */
+int board_discharge_on_ac(int enable)
+{
+	if (enable)
+		gpio_set_level(GPIO_CHARGE_L, 1);
+	else
+		gpio_set_level(GPIO_CHARGE_L, 0);
+	return EC_SUCCESS;
+}
diff --git a/board/gandof/board.h b/board/gandof/board.h
new file mode 100644
index 0000000000..44f6c4600c
--- /dev/null
+++ b/board/gandof/board.h
@@ -0,0 +1,128 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Configuration for Gandof mainboard */
+
+#ifndef __BOARD_H
+#define __BOARD_H
+
+/* Optional features */
+#define CONFIG_BACKLIGHT_LID
+#define CONFIG_BACKLIGHT_REQ_GPIO GPIO_PCH_BKLTEN
+#define CONFIG_BATTERY_CUT_OFF
+#define CONFIG_BATTERY_PRESENT_GPIO GPIO_BAT_PRESENT_L
+#define CONFIG_BATTERY_SMART
+#define CONFIG_BOARD_VERSION
+#define CONFIG_CHARGER
+#define CONFIG_CHARGER_V1
+#define CONFIG_CHARGER_BQ24707A
+#define CONFIG_CHARGER_DISCHARGE_ON_AC
+#define CONFIG_CHIPSET_CAN_THROTTLE
+#define CONFIG_CHIPSET_HASWELL
+#define CONFIG_POWER_COMMON
+#define CONFIG_CMD_GSV
+#define CONFIG_EXTPOWER_GPIO
+#define CONFIG_FANS 1
+#define CONFIG_FAN_RPM_CUSTOM
+#define CONFIG_KEYBOARD_BOARD_CONFIG
+#define CONFIG_KEYBOARD_COL2_INVERTED
+#define CONFIG_KEYBOARD_PROTOCOL_8042
+#define CONFIG_LED_COMMON
+#define CONFIG_LOW_POWER_IDLE
+#define CONFIG_PECI_TJMAX 105
+#define CONFIG_POWER_BUTTON
+#define CONFIG_POWER_BUTTON_X86
+#define CONFIG_PWM
+#define CONFIG_PWM_KBLIGHT
+#define CONFIG_SWITCH_DEDICATED_RECOVERY
+#define CONFIG_TEMP_SENSOR
+#define CONFIG_TEMP_SENSOR_G781
+#define CONFIG_TEMP_SENSOR_POWER_GPIO GPIO_PP3300_DX_EN
+#define CONFIG_UART_HOST 2
+#define CONFIG_USB_PORT_POWER_DUMB
+#define CONFIG_VBOOT_HASH
+#define CONFIG_WIRELESS
+#define CONFIG_WIRELESS_SUSPEND \
+	(EC_WIRELESS_SWITCH_WLAN | EC_WIRELESS_SWITCH_WLAN_POWER)
+
+#ifndef __ASSEMBLER__
+
+/* I2C ports */
+#define I2C_PORT_BATTERY 0
+#define I2C_PORT_CHARGER 0
+#define I2C_PORT_THERMAL 5
+
+/* 13x8 keyboard scanner uses an entire GPIO bank for row inputs */
+#define KB_SCAN_ROW_IRQ  LM4_IRQ_GPIOK
+#define KB_SCAN_ROW_GPIO LM4_GPIO_K
+
+/* Host connects to keyboard controller module via LPC */
+#define HOST_KB_BUS_LPC
+
+/* USB ports */
+#define USB_PORT_COUNT 2
+
+#include "gpio_signal.h"
+
+/* power signal definitions */
+enum power_signal {
+	X86_PGOOD_PP5000 = 0,
+	X86_PGOOD_PP1350,
+	X86_PGOOD_PP1050,
+	X86_PGOOD_VCORE,
+	X86_SLP_S0_DEASSERTED,
+	X86_SLP_S3_DEASSERTED,
+	X86_SLP_S5_DEASSERTED,
+	X86_SLP_SUS_DEASSERTED,
+
+	/* Number of X86 signals */
+	POWER_SIGNAL_COUNT
+};
+
+/* Charger module */
+#define CONFIG_CHARGER_SENSE_RESISTOR 10 /* Charge sense resistor, mOhm */
+#define CONFIG_CHARGER_SENSE_RESISTOR_AC 10 /* Input sensor resistor, mOhm */
+#define CONFIG_CHARGER_INPUT_CURRENT 3078 /* mA, 90% of power supply rating */
+
+enum adc_channel {
+	/* EC internal die temperature in degrees K. */
+	ADC_CH_EC_TEMP = 0,
+
+	/* Charger current in mA. */
+	ADC_CH_CHARGER_CURRENT,
+
+	ADC_CH_COUNT
+};
+
+enum pwm_channel {
+	PWM_CH_KBLIGHT,
+
+	/* Number of PWM channels */
+	PWM_CH_COUNT
+};
+
+enum temp_sensor_id {
+	/* CPU die temperature via PECI */
+	TEMP_SENSOR_CPU_PECI = 0,
+	/* EC internal temperature sensor */
+	TEMP_SENSOR_EC_INTERNAL,
+	/* G781 internal and external sensors */
+	TEMP_SENSOR_I2C_G781_INTERNAL,
+	TEMP_SENSOR_I2C_G781_EXTERNAL,
+
+	TEMP_SENSOR_COUNT
+};
+
+/* Wireless signals */
+#define WIRELESS_GPIO_WLAN GPIO_WLAN_OFF_L
+#define WIRELESS_GPIO_WWAN GPIO_PP3300_LTE_EN
+#define WIRELESS_GPIO_WLAN_POWER GPIO_PP3300_WLAN_EN
+
+/* Discharge battery when on AC power for factory test. */
+int board_discharge_on_ac(int enable);
+
+#endif /* !__ASSEMBLER__ */
+
+#endif /* __BOARD_H */
diff --git a/board/gandof/build.mk b/board/gandof/build.mk
new file mode 100644
index 0000000000..d3e60bffc4
--- /dev/null
+++ b/board/gandof/build.mk
@@ -0,0 +1,12 @@
+# -*- makefile -*-
+# Copyright 2015 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Board specific files build
+#
+
+# the IC is TI Stellaris LM4
+CHIP:=lm4
+
+board-y=board.o battery.o led.o
diff --git a/board/gandof/ec.tasklist b/board/gandof/ec.tasklist
new file mode 100644
index 0000000000..cafdb702ed
--- /dev/null
+++ b/board/gandof/ec.tasklist
@@ -0,0 +1,27 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/**
+ * List of enabled tasks in the priority order
+ *
+ * The first one has the lowest priority.
+ *
+ * For each task, use the macro TASK_ALWAYS(n, r, d, s) for base tasks and
+ * TASK_NOTEST(n, r, d, s) for tasks that can be excluded in test binaries,
+ * where :
+ * 'n' is the name of the task
+ * 'r' is the main routine of the task
+ * 'd' is an opaque parameter passed to the routine at startup
+ * 's' is the stack size in bytes; must be a multiple of 8
+ */
+#define CONFIG_TASK_LIST \
+	TASK_ALWAYS(HOOKS, hook_task, NULL, LARGER_TASK_STACK_SIZE) \
+	TASK_ALWAYS(CHARGER, charger_task, NULL, TASK_STACK_SIZE) \
+	TASK_NOTEST(CHIPSET, chipset_task, NULL, TASK_STACK_SIZE) \
+	TASK_NOTEST(KEYPROTO, keyboard_protocol_task, NULL, TASK_STACK_SIZE) \
+	TASK_ALWAYS(HOSTCMD, host_command_task, NULL, TASK_STACK_SIZE) \
+	TASK_ALWAYS(CONSOLE, console_task, NULL, LARGER_TASK_STACK_SIZE) \
+	TASK_ALWAYS(POWERBTN, power_button_task, NULL, TASK_STACK_SIZE) \
+	TASK_NOTEST(KEYSCAN, keyboard_scan_task, NULL, TASK_STACK_SIZE)
diff --git a/board/gandof/gpio.inc b/board/gandof/gpio.inc
new file mode 100644
index 0000000000..f3a156782a
--- /dev/null
+++ b/board/gandof/gpio.inc
@@ -0,0 +1,102 @@
+/* -*- mode:c -*-
+ *
+ * Copyright (c) 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Inputs with interrupt handlers are first for efficiency */
+GPIO(POWER_BUTTON_L, A, 2, GPIO_INT_BOTH_DSLEEP,                power_button_interrupt)   /* Power button */
+GPIO(LID_OPEN,       A, 3, GPIO_INT_BOTH_DSLEEP,                lid_interrupt)            /* Lid switch */
+GPIO(AC_PRESENT,     H, 3, GPIO_INT_BOTH_DSLEEP,                extpower_interrupt)       /* AC power present */
+GPIO(PCH_BKLTEN,     M, 3, GPIO_INT_BOTH,                       backlight_interrupt)      /* Backlight enable signal from PCH */
+GPIO(PCH_SLP_S0_L,   G, 6, GPIO_INT_BOTH,                       power_signal_interrupt)   /* SLP_S0# signal from PCH */
+GPIO(PCH_SLP_S3_L,   G, 7, GPIO_INT_BOTH_DSLEEP,                power_signal_interrupt)   /* SLP_S3# signal from PCH */
+GPIO(PCH_SLP_S5_L,   H, 1, GPIO_INT_BOTH_DSLEEP,                power_signal_interrupt)   /* SLP_S5# signal from PCH */
+GPIO(PCH_SLP_SUS_L,  G, 3, GPIO_INT_BOTH,                       power_signal_interrupt)   /* SLP_SUS# signal from PCH */
+GPIO(PP1050_PGOOD,   H, 4, GPIO_INT_BOTH,                       power_signal_interrupt)   /* Power good on 1.05V */
+GPIO(PP1350_PGOOD,   H, 6, GPIO_INT_BOTH,                       power_signal_interrupt)   /* Power good on 1.35V (DRAM) */
+GPIO(PP5000_PGOOD,   N, 0, GPIO_INT_BOTH,                       power_signal_interrupt)   /* Power good on 5V */
+GPIO(VCORE_PGOOD,    C, 6, GPIO_INT_BOTH,                       power_signal_interrupt)   /* Power good on core VR */
+GPIO(PCH_EDP_VDD_EN, J, 1, GPIO_INT_BOTH,                       power_interrupt)          /* PCH wants EDP enabled */
+GPIO(RECOVERY_L,     A, 5, GPIO_PULL_UP | GPIO_INT_BOTH,        switch_interrupt)         /* Recovery signal from servo */
+GPIO(WP_L,           A, 4, GPIO_INT_BOTH,                       switch_interrupt)         /* Write protect input */
+GPIO(JTAG_TCK,       C, 0, GPIO_DEFAULT,                        jtag_interrupt)           /* JTAG clock input */
+GPIO(UART0_RX,       A, 0, GPIO_PULL_UP | GPIO_INT_BOTH_DSLEEP, uart_deepsleep_interrupt) /* UART0 RX input */
+
+/* Other inputs */
+GPIO(FAN_ALERT_L,          B, 0, GPIO_INPUT,    NULL) /* From thermal sensor */
+GPIO(PCH_SUSWARN_L,        G, 2, GPIO_INT_BOTH, NULL) /* SUSWARN# signal from PCH */
+GPIO(USB1_OC_L,            E, 7, GPIO_INPUT,    NULL) /* USB port overcurrent warning */
+GPIO(USB2_OC_L,            E, 0, GPIO_INPUT,    NULL) /* USB port overcurrent warning */
+GPIO(BOARD_VERSION1,       Q, 5, GPIO_INPUT,    NULL) /* Board version stuffing resistor 1 */
+GPIO(BOARD_VERSION2,       Q, 6, GPIO_INPUT,    NULL) /* Board version stuffing resistor 2 */
+GPIO(BOARD_VERSION3,       Q, 7, GPIO_INPUT,    NULL) /* Board version stuffing resistor 3 */
+GPIO(CPU_PGOOD,            C, 4, GPIO_INPUT,    NULL) /* Power good to the CPU */
+GPIO(BAT_PRESENT_L,        B, 4, GPIO_INPUT,    NULL) /* Battery present. Repurposed BAT_TEMP */
+GPIO(BAT_ID,               N, 5, GPIO_INPUT,    NULL) /* Battery id for 48w/54w battery*/
+/* Outputs; all unasserted by default except for reset signals */
+GPIO(CPU_PROCHOT,          B, 1, GPIO_OUT_LOW, NULL) /* Force CPU to think it's overheated */
+GPIO(PP1350_EN,            H, 5, GPIO_OUT_LOW, NULL) /* Enable 1.35V supply */
+GPIO(PP3300_DX_EN,         J, 2, GPIO_OUT_LOW, NULL) /* Enable power to lots of peripherals */
+GPIO(PP3300_LTE_EN,        D, 2, GPIO_OUT_LOW, NULL) /* Enable LTE radio */
+GPIO(PP3300_WLAN_EN,       J, 0, GPIO_OUT_LOW, NULL) /* Enable WiFi power */
+GPIO(SUSP_VR_EN,           C, 7, GPIO_OUT_LOW, NULL) /* Enable 1.05V regulator */
+GPIO(VCORE_EN,             C, 5, GPIO_OUT_LOW, NULL) /* Stuffing option - not connected */
+GPIO(PP5000_EN,            H, 7, GPIO_OUT_LOW, NULL) /* Enable 5V supply */
+GPIO(PP5000_FAN_EN,        J, 3, GPIO_OUT_LOW, NULL) /* Enable fan power rail */
+GPIO(SYS_PWROK,            H, 2, GPIO_OUT_LOW, NULL) /* EC thinks everything is up and ready */
+GPIO(WLAN_OFF_L,           J, 4, GPIO_OUT_LOW, NULL) /* Disable WiFi radio */
+GPIO(CHARGE_L,             E, 6, GPIO_OUT_LOW, NULL) /* Allow battery to charge when on AC */
+
+GPIO(ENABLE_BACKLIGHT,     M, 7, GPIO_OUT_LOW, NULL) /* Enable backlight power */
+GPIO(ENABLE_TOUCHPAD,      N, 1, GPIO_OUT_LOW, NULL) /* Enable touchpad power */
+GPIO(ENTERING_RW,          D, 3, GPIO_OUT_LOW, NULL) /* Indicate when EC is entering RW code */
+GPIO(PCH_DPWROK,           G, 0, GPIO_OUT_LOW, NULL) /* Indicate when VccDSW is good */
+
+/*
+ * HDA_SDO is technically an output, but we need to leave it as an
+ * input until we drive it high.  So can't use open-drain (HI_Z).
+ */
+GPIO(PCH_HDA_SDO,          G, 1, GPIO_INPUT,    NULL) /* HDA_SDO signal to PCH; when high, ME ignores security descriptor */
+GPIO(PCH_WAKE_L,           F, 0, GPIO_OUT_HIGH, NULL) /* Wake signal from EC to PCH */
+GPIO(PCH_NMI_L,            F, 2, GPIO_OUT_HIGH, NULL) /* Non-maskable interrupt pin to PCH */
+GPIO(PCH_PWRBTN_L,         H, 0, GPIO_OUT_HIGH, NULL) /* Power button output to PCH */
+GPIO(PCH_PWROK,            F, 5, GPIO_OUT_LOW,  NULL) /* PWROK / APWROK signals to PCH */
+
+/*
+ * PL6 is one of 4 pins on the EC which can't be used in open-drain
+ * mode.  To work around this PCH_RCIN_L is set to an input. It will
+ * only be set to an output when it needs to be driven to 0.
+ */
+GPIO(PCH_RCIN_L,           L, 6, GPIO_INPUT,    NULL) /* RCIN# line to PCH (for 8042 emulation) */
+GPIO(PCH_RSMRST_L,         F, 1, GPIO_OUT_LOW,  NULL) /* Reset PCH resume power plane logic */
+GPIO(PCH_SMI_L,            F, 4, GPIO_ODR_HIGH, NULL) /* System management interrupt to PCH */
+GPIO(TOUCHSCREEN_RESET_L,  N, 7, GPIO_OUT_LOW,  NULL) /* Reset touch screen */
+GPIO(EC_EDP_VDD_EN,        J, 5, GPIO_OUT_LOW,  NULL) /* Enable EDP (passthru from PCH) */
+
+GPIO(LPC_CLKRUN_L,         M, 2, GPIO_ODR_HIGH, NULL) /* Dunno. Probably important, though. */
+GPIO(USB1_ENABLE,          E, 4, GPIO_OUT_LOW,  NULL) /* USB port 1 output power enable */
+GPIO(USB2_ENABLE,          D, 5, GPIO_OUT_LOW,  NULL) /* USB port 2 output power enable */
+
+GPIO(PCH_SUSACK_L,         F, 3, GPIO_OUT_HIGH, NULL) /* Acknowledge PCH SUSWARN# signal */
+GPIO(PCH_RTCRST_L,         F, 6, GPIO_ODR_HIGH, NULL) /* Not supposed to be here */
+GPIO(PCH_SRTCRST_L,        F, 7, GPIO_ODR_HIGH, NULL) /* Not supposed to be here */
+
+GPIO(BAT_LED0_L,           D, 0, GPIO_ODR_HIGH, NULL) /* Battery charging LED - blue */
+GPIO(BAT_LED1_L,           N, 4, GPIO_ODR_HIGH, NULL) /* Battery charging LED - orange */
+GPIO(PWR_LED0_L,           D, 1, GPIO_ODR_HIGH, NULL) /* Power LED - blue */
+GPIO(PWR_LED1_L,           N, 6, GPIO_ODR_HIGH, NULL) /* Power LED - orange */
+
+ALTERNATE(A, 0x03, 1,  MODULE_UART,    GPIO_PULL_UP)	/* UART0 */
+ALTERNATE(B, 0x04, 3,  MODULE_I2C,     0)		/* I2C0 SCL */
+ALTERNATE(B, 0x08, 3,  MODULE_I2C,     GPIO_OPEN_DRAIN)	/* I2C0 SDA */
+ALTERNATE(B, 0x40, 3,  MODULE_I2C,     0)		/* I2C5 SCL */
+ALTERNATE(B, 0x80, 3,  MODULE_I2C,     GPIO_OPEN_DRAIN)	/* I2C5 SDA */
+ALTERNATE(G, 0x30, 1,  MODULE_UART,    0)		/* UART2 */
+ALTERNATE(J, 0x40, 1,  MODULE_PECI,    0)		/* PECI Tx */
+ALTERNATE(J, 0x80, 0,  MODULE_PECI,    GPIO_ANALOG)	/* PECI Rx */
+ALTERNATE(L, 0x3f, 15, MODULE_LPC,     0)		/* LPC */
+ALTERNATE(M, 0x33, 15, MODULE_LPC,     0)		/* LPC */
+ALTERNATE(N, 0x0c, 1,  MODULE_PWM_FAN, 0)		/* FAN0PWM2 */
+ALTERNATE(M, 0x40, 1,  MODULE_PWM_LED, 0)               /* FAN0PWM0 */
diff --git a/board/gandof/led.c b/board/gandof/led.c
new file mode 100644
index 0000000000..4835404eb7
--- /dev/null
+++ b/board/gandof/led.c
@@ -0,0 +1,216 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Power and battery LED control for Gandof.
+ */
+
+#include "battery.h"
+#include "charge_state.h"
+#include "chipset.h"
+#include "ec_commands.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "host_command.h"
+#include "led_common.h"
+#include "util.h"
+
+#define CRITICAL_LOW_BATTERY_PERMILLAGE 71
+#define LOW_BATTERY_PERMILLAGE 137
+#define FULL_BATTERY_PERMILLAGE 937
+
+#define LED_TOTAL_4SECS_TICKS 16
+#define LED_TOTAL_2SECS_TICKS 8
+#define LED_ON_1SEC_TICKS 4
+#define LED_ON_2SECS_TICKS 8
+
+enum led_color {
+	LED_OFF = 0,
+	LED_BLUE,
+	LED_AMBER,
+	LED_PINK,
+
+	LED_COLOR_COUNT  /* Number of colors, not a color itself */
+};
+
+const enum ec_led_id supported_led_ids[] = {
+	EC_LED_ID_POWER_LED, EC_LED_ID_BATTERY_LED};
+
+const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
+
+static int gandof_led_set_gpio(enum led_color color,
+			      enum gpio_signal gpio_led_blue_l,
+			      enum gpio_signal gpio_led_amber_l)
+{
+	switch (color) {
+	case LED_OFF:
+		gpio_set_level(gpio_led_blue_l,  1);
+		gpio_set_level(gpio_led_amber_l, 1);
+		break;
+	case LED_BLUE:
+		gpio_set_level(gpio_led_blue_l,  0);
+		gpio_set_level(gpio_led_amber_l, 1);
+		break;
+	case LED_AMBER:
+		gpio_set_level(gpio_led_blue_l,  1);
+		gpio_set_level(gpio_led_amber_l, 0);
+		break;
+	case LED_PINK:
+		gpio_set_level(gpio_led_blue_l,  0);
+		gpio_set_level(gpio_led_amber_l, 0);
+		break;
+	default:
+		return EC_ERROR_UNKNOWN;
+	}
+	return EC_SUCCESS;
+}
+
+static int gandof_led_set_color_battery(enum led_color color)
+{
+	return gandof_led_set_gpio(color, GPIO_BAT_LED0_L, GPIO_BAT_LED1_L);
+}
+
+static int gandof_led_set_color_power(enum led_color color)
+{
+	return gandof_led_set_gpio(color, GPIO_PWR_LED0_L, GPIO_PWR_LED1_L);
+}
+
+static int gandof_led_set_color(enum ec_led_id led_id, enum led_color color)
+{
+	int rv;
+
+	led_auto_control(led_id, 0);
+	switch (led_id) {
+	case EC_LED_ID_BATTERY_LED:
+		rv = gandof_led_set_color_battery(color);
+		break;
+	case EC_LED_ID_POWER_LED:
+		rv = gandof_led_set_color_power(color);
+		break;
+	default:
+		return EC_ERROR_UNKNOWN;
+	}
+	return rv;
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+	if (brightness[EC_LED_COLOR_BLUE] != 0 &&
+	    brightness[EC_LED_COLOR_YELLOW] != 0)
+		gandof_led_set_color(led_id, LED_PINK);
+	else if (brightness[EC_LED_COLOR_BLUE] != 0)
+		gandof_led_set_color(led_id, LED_BLUE);
+	else if (brightness[EC_LED_COLOR_YELLOW] != 0)
+		gandof_led_set_color(led_id, LED_AMBER);
+	else
+		gandof_led_set_color(led_id, LED_OFF);
+
+	return EC_SUCCESS;
+}
+
+void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
+{
+	/* Ignoring led_id as both leds support the same colors */
+	brightness_range[EC_LED_COLOR_BLUE] = 1;
+	brightness_range[EC_LED_COLOR_YELLOW] = 1;
+}
+
+static void gandof_led_set_power(void)
+{
+	static int power_ticks;
+	static int previous_state_suspend;
+
+	power_ticks++;
+
+	if (chipset_in_state(CHIPSET_STATE_SUSPEND)) {
+		/* Reset ticks if entering suspend so LED turns amber
+		 * as soon as possible. */
+		if (!previous_state_suspend)
+			power_ticks = 0;
+
+		/* Blink once every four seconds. */
+		gandof_led_set_color_power(
+			(power_ticks % LED_TOTAL_4SECS_TICKS <
+			 LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF);
+
+		previous_state_suspend = 1;
+		return;
+	}
+
+	previous_state_suspend = 0;
+
+	if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
+		gandof_led_set_color_power(LED_OFF);
+	else if (chipset_in_state(CHIPSET_STATE_ON))
+		gandof_led_set_color_power(LED_BLUE);
+}
+
+static void gandof_led_set_battery(void)
+{
+	static int battery_ticks;
+	uint32_t chflags = charge_get_flags();
+	int remaining_capacity;
+	int full_charge_capacity;
+	int permillage;
+
+	battery_ticks++;
+
+	remaining_capacity = *(int *)host_get_memmap(EC_MEMMAP_BATT_CAP);
+	full_charge_capacity = *(int *)host_get_memmap(EC_MEMMAP_BATT_LFCC);
+	permillage = !full_charge_capacity ? 0 :
+		(1000 * remaining_capacity) / full_charge_capacity;
+
+	switch (charge_get_state()) {
+	case PWR_STATE_CHARGE:
+		/* Make the percentage approximate to UI shown */
+		gandof_led_set_color_battery(permillage <
+			FULL_BATTERY_PERMILLAGE ? LED_AMBER : LED_BLUE);
+		break;
+	case PWR_STATE_CHARGE_NEAR_FULL:
+		gandof_led_set_color_battery(LED_BLUE);
+		break;
+	case PWR_STATE_DISCHARGE:
+		/* Less than 3%, blink one second every two seconds */
+		if (!chipset_in_state(CHIPSET_STATE_ANY_OFF) &&
+		    permillage <= CRITICAL_LOW_BATTERY_PERMILLAGE)
+			gandof_led_set_color_battery(
+				(battery_ticks % LED_TOTAL_2SECS_TICKS <
+				 LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF);
+		/* Less than 10%, blink one second every four seconds */
+		else if (!chipset_in_state(CHIPSET_STATE_ANY_OFF) &&
+			permillage <= LOW_BATTERY_PERMILLAGE)
+			gandof_led_set_color_battery(
+				(battery_ticks % LED_TOTAL_4SECS_TICKS <
+				 LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF);
+		else
+			gandof_led_set_color_battery(LED_OFF);
+		break;
+	case PWR_STATE_ERROR:
+		gandof_led_set_color_battery(
+			(battery_ticks % LED_TOTAL_2SECS_TICKS <
+			 LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF);
+		break;
+	case PWR_STATE_IDLE: /* External power connected in IDLE. */
+		if (chflags & CHARGE_FLAG_FORCE_IDLE)
+			gandof_led_set_color_battery(
+				(battery_ticks % LED_TOTAL_4SECS_TICKS <
+				 LED_ON_2SECS_TICKS) ? LED_BLUE : LED_AMBER);
+		else
+			gandof_led_set_color_battery(LED_BLUE);
+		break;
+	default:
+		/* Other states don't alter LED behavior */
+		break;
+	}
+}
+
+/* Called by hook task every 250mSec */
+static void led_tick(void)
+{
+	if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED))
+		gandof_led_set_power();
+
+	if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED))
+		gandof_led_set_battery();
+}
+DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT);
diff --git a/util/flash_ec b/util/flash_ec
index 04f8426a92..e251bd586c 100755
--- a/util/flash_ec
+++ b/util/flash_ec
@@ -46,6 +46,7 @@ die() {
 
 # Note: Link is a special case and is not included here.
 BOARDS_LM4=(
+	gandof
 	auron
 	falco
 	paine