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authorDino Li <dino.li@ite.com.tw>2016-05-03 13:35:51 +0800
committerchrome-bot <chrome-bot@chromium.org>2016-05-03 22:00:49 -0700
commit32bf8ecb773e0c6da80ef06b26375742fa287704 (patch)
tree60d95ebe40ac81399a0df7b49f52a005c93f58e4 /board/it83xx_evb
parente83c06bf90f89ea8c160c9f88b166d0c2e0a982d (diff)
downloadchrome-ec-32bf8ecb773e0c6da80ef06b26375742fa287704.tar.gz
board: rename it8380dev to it83xx_evb
Unified board name for IT83-series. Signed-off-by: Dino Li <dino.li@ite.com.tw> BRANCH=none BUG=none TEST="make BOARD=it83xx_evb -j" and "make buildall -j" Change-Id: Ic96d0132fb31fcc8715d0dd810f8bd340035a640 Reviewed-on: https://chromium-review.googlesource.com/341843 Commit-Ready: Dino Li <dino.li@ite.com.tw> Tested-by: Dino Li <dino.li@ite.com.tw> Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'board/it83xx_evb')
l---------board/it83xx_evb/Makefile1
-rw-r--r--board/it83xx_evb/board.c244
-rw-r--r--board/it83xx_evb/board.h121
-rw-r--r--board/it83xx_evb/build.mk11
-rw-r--r--board/it83xx_evb/ec.tasklist24
-rw-r--r--board/it83xx_evb/gpio.inc78
6 files changed, 479 insertions, 0 deletions
diff --git a/board/it83xx_evb/Makefile b/board/it83xx_evb/Makefile
new file mode 120000
index 0000000000..94aaae2c4d
--- /dev/null
+++ b/board/it83xx_evb/Makefile
@@ -0,0 +1 @@
+../../Makefile \ No newline at end of file
diff --git a/board/it83xx_evb/board.c b/board/it83xx_evb/board.c
new file mode 100644
index 0000000000..b63f6b9dcb
--- /dev/null
+++ b/board/it83xx_evb/board.c
@@ -0,0 +1,244 @@
+/* Copyright (c) 2013 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.
+ */
+/* IT8380 development board configuration */
+
+#include "adc.h"
+#include "adc_chip.h"
+#include "clock.h"
+#include "common.h"
+#include "console.h"
+#include "ec2i_chip.h"
+#include "fan.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "i2c.h"
+#include "intc.h"
+#include "keyboard_scan.h"
+#include "lid_switch.h"
+#include "lpc.h"
+#include "power_button.h"
+#include "pwm.h"
+#include "pwm_chip.h"
+#include "registers.h"
+#include "spi.h"
+#include "switch.h"
+#include "system.h"
+#include "task.h"
+#include "timer.h"
+#include "uart.h"
+#include "util.h"
+
+#include "gpio_list.h"
+
+/*
+ * PWM channels. Must be in the exactly same order as in enum pwm_channel.
+ * There total three 16 bits clock prescaler registers for all pwm channels,
+ * so use the same frequency and prescaler register setting is required if
+ * number of pwm channel greater than three.
+ */
+const struct pwm_t pwm_channels[] = {
+ {7, 0, 30000, PWM_PRESCALER_C4},
+ {1, PWM_CONFIG_ACTIVE_LOW, 1000, PWM_PRESCALER_C6},
+ {2, 0, 200, PWM_PRESCALER_C7},
+ {3, PWM_CONFIG_ACTIVE_LOW, 1000, PWM_PRESCALER_C6},
+ {4, 0, 30000, PWM_PRESCALER_C4},
+ {5, PWM_CONFIG_ACTIVE_LOW, 200, PWM_PRESCALER_C7},
+ {0, PWM_CONFIG_ACTIVE_LOW, 1000, PWM_PRESCALER_C6},
+};
+
+BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
+
+const struct fan_t fans[] = {
+ {.flags = FAN_USE_RPM_MODE,
+ .rpm_min = 1500,
+ .rpm_start = 1500,
+ .rpm_max = 6500,
+ /*
+ * index of pwm_channels, not pwm output channel.
+ * pwm output channel is member "channel" of pwm_t.
+ */
+ .ch = 0,
+ .pgood_gpio = -1,
+ .enable_gpio = -1,
+ },
+};
+BUILD_ASSERT(ARRAY_SIZE(fans) == CONFIG_FANS);
+
+/*
+ * PWM HW channelx binding tachometer channelx for fan control.
+ * Four tachometer input pins but two tachometer modules only,
+ * so always binding [TACH_CH_TACH0A | TACH_CH_TACH0B] and/or
+ * [TACH_CH_TACH1A | TACH_CH_TACH1B]
+ */
+const struct fan_tach_t fan_tach[] = {
+ {TACH_CH_NULL, -1, -1, -1},
+ {TACH_CH_NULL, -1, -1, -1},
+ {TACH_CH_NULL, -1, -1, -1},
+ {TACH_CH_NULL, -1, -1, -1},
+ {TACH_CH_NULL, -1, -1, -1},
+ {TACH_CH_NULL, -1, -1, -1},
+ {TACH_CH_NULL, -1, -1, -1},
+ {TACH_CH_TACH0A, 2, 50, 30},
+};
+BUILD_ASSERT(ARRAY_SIZE(fan_tach) == PWM_HW_CH_TOTAL);
+
+/* PNPCFG settings */
+const struct ec2i_t pnpcfg_settings[] = {
+ /* Select logical device 06h(keyboard) */
+ {HOST_INDEX_LDN, LDN_KBC_KEYBOARD},
+ /* Set IRQ=01h for logical device */
+ {HOST_INDEX_IRQNUMX, 0x01},
+ /* Enable logical device */
+ {HOST_INDEX_LDA, 0x01},
+
+ /* Select logical device 05h(mouse) */
+ {HOST_INDEX_LDN, LDN_KBC_MOUSE},
+ /* Set IRQ=0Ch for logical device */
+ {HOST_INDEX_IRQNUMX, 0x0C},
+ /* Enable logical device */
+ {HOST_INDEX_LDA, 0x01},
+
+ /* Select logical device 11h(PM1 ACPI) */
+ {HOST_INDEX_LDN, LDN_PMC1},
+ /* Set IRQ=00h for logical device */
+ {HOST_INDEX_IRQNUMX, 0x00},
+ /* Enable logical device */
+ {HOST_INDEX_LDA, 0x01},
+
+ /* Select logical device 12h(PM2) */
+ {HOST_INDEX_LDN, LDN_PMC2},
+ /* I/O Port Base Address 200h/204h */
+ {HOST_INDEX_IOBAD0_MSB, 0x02},
+ {HOST_INDEX_IOBAD0_LSB, 0x00},
+ {HOST_INDEX_IOBAD1_MSB, 0x02},
+ {HOST_INDEX_IOBAD1_LSB, 0x04},
+ /* Set IRQ=00h for logical device */
+ {HOST_INDEX_IRQNUMX, 0x00},
+ /* Enable logical device */
+ {HOST_INDEX_LDA, 0x01},
+
+ /* Select logical device 0Fh(SMFI) */
+ {HOST_INDEX_LDN, LDN_SMFI},
+ /* H2RAM LPC I/O cycle Dxxx */
+ {HOST_INDEX_DSLDC6, 0x00},
+ /* Enable H2RAM LPC I/O cycle */
+ {HOST_INDEX_DSLDC7, 0x01},
+ /* Enable logical device */
+ {HOST_INDEX_LDA, 0x01},
+
+ /* Select logical device 17h(PM3) */
+ {HOST_INDEX_LDN, LDN_PMC3},
+ /* I/O Port Base Address 80h */
+ {HOST_INDEX_IOBAD0_MSB, 0x00},
+ {HOST_INDEX_IOBAD0_LSB, 0x80},
+ {HOST_INDEX_IOBAD1_MSB, 0x00},
+ {HOST_INDEX_IOBAD1_LSB, 0x00},
+ /* Set IRQ=00h for logical device */
+ {HOST_INDEX_IRQNUMX, 0x00},
+ /* Enable logical device */
+ {HOST_INDEX_LDA, 0x01},
+ /* Select logical device 10h(RTCT) */
+ {HOST_INDEX_LDN, LDN_RTCT},
+ /* P80L Begin Index */
+ {HOST_INDEX_DSLDC4, P80L_P80LB},
+ /* P80L End Index */
+ {HOST_INDEX_DSLDC5, P80L_P80LE},
+ /* P80L Current Index */
+ {HOST_INDEX_DSLDC6, P80L_P80LC},
+#ifdef CONFIG_UART_HOST
+ /* Select logical device 2h(UART2) */
+ {HOST_INDEX_LDN, LDN_UART2},
+ /*
+ * I/O port base address is 2F8h.
+ * Host can use LPC I/O port 0x2F8 ~ 0x2FF to access UART2.
+ * See specification 7.24.4 for more detial.
+ */
+ {HOST_INDEX_IOBAD0_MSB, 0x02},
+ {HOST_INDEX_IOBAD0_LSB, 0xF8},
+ /* IRQ number is 3 */
+ {HOST_INDEX_IRQNUMX, 0x03},
+ /*
+ * Interrupt Request Type Select
+ * bit1, 0: IRQ request is buffered and applied to SERIRQ.
+ * 1: IRQ request is inverted before being applied to SERIRQ.
+ * bit0, 0: Edge triggered mode.
+ * 1: Level triggered mode.
+ */
+ {HOST_INDEX_IRQTP, 0x02},
+ /* Enable logical device */
+ {HOST_INDEX_LDA, 0x01},
+#endif
+};
+BUILD_ASSERT(ARRAY_SIZE(pnpcfg_settings) == EC2I_SETTING_COUNT);
+
+/* Initialize board. */
+static void board_init(void)
+{
+}
+DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
+
+/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
+const struct adc_t adc_channels[] = {
+ /* Convert to mV (3000mV/1024). */
+ {"adc_ch0", 3000, 1024, 0, 0},
+ {"adc_ch1", 3000, 1024, 0, 1},
+ {"adc_ch2", 3000, 1024, 0, 2},
+ {"adc_ch3", 3000, 1024, 0, 3},
+ {"adc_ch4", 3000, 1024, 0, 4},
+ {"adc_ch5", 3000, 1024, 0, 5},
+ {"adc_ch6", 3000, 1024, 0, 6},
+ {"adc_ch7", 3000, 1024, 0, 7},
+};
+BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
+
+/* Keyboard scan setting */
+struct keyboard_scan_config keyscan_config = {
+ .output_settle_us = 35,
+ .debounce_down_us = 5 * MSEC,
+ .debounce_up_us = 40 * MSEC,
+ .scan_period_us = 3 * MSEC,
+ .min_post_scan_delay_us = 1000,
+ .poll_timeout_us = 100 * MSEC,
+ .actual_key_mask = {
+ 0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff,
+ 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */
+ },
+};
+
+/*
+ * I2C channels (A, B, and C) are using the same timing registers (00h~07h)
+ * at default.
+ * In order to set frequency independently for each channels,
+ * We use timing registers 09h~0Bh, and the supported frequency will be:
+ * 50KHz, 100KHz, 400KHz, or 1MHz.
+ * I2C channels (D, E and F) can be set different frequency on different ports.
+ * The I2C(D/E/F) frequency depend on the frequency of SMBus Module and
+ * the individual prescale register.
+ * The frequency of SMBus module is 24MHz on default.
+ * The allowed range of I2C(D/E/F) frequency is as following setting.
+ * SMBus Module Freq = PLL_CLOCK / ((IT83XX_ECPM_SCDCR2 & 0x0F) + 1)
+ * (SMBus Module Freq / 510) <= I2C Freq <= (SMBus Module Freq / 8)
+ * Channel D has multi-function and can be used as UART interface.
+ * Channel F is reserved for EC debug.
+ */
+
+/* I2C ports */
+const struct i2c_port_t i2c_ports[] = {
+ {"battery", IT83XX_I2C_CH_C, 100, GPIO_I2C_C_SCL, GPIO_I2C_C_SDA},
+ {"evb-1", IT83XX_I2C_CH_A, 100, GPIO_I2C_A_SCL, GPIO_I2C_A_SDA},
+ {"evb-2", IT83XX_I2C_CH_B, 100, GPIO_I2C_B_SCL, GPIO_I2C_B_SDA},
+#ifndef CONFIG_UART_HOST
+ {"opt-3", IT83XX_I2C_CH_D, 100, GPIO_I2C_D_SCL, GPIO_I2C_D_SDA},
+#endif
+ {"opt-4", IT83XX_I2C_CH_E, 100, GPIO_I2C_E_SCL, GPIO_I2C_E_SDA},
+};
+
+const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
+
+/* SPI devices */
+const struct spi_device_t spi_devices[] = {
+ { CONFIG_SPI_FLASH_PORT, 0, -1},
+};
+const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
diff --git a/board/it83xx_evb/board.h b/board/it83xx_evb/board.h
new file mode 100644
index 0000000000..b2cf093968
--- /dev/null
+++ b/board/it83xx_evb/board.h
@@ -0,0 +1,121 @@
+/* Copyright (c) 2013 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.
+ */
+
+/* IT8380 development board configuration */
+
+#ifndef __CROS_EC_BOARD_H
+#define __CROS_EC_BOARD_H
+
+/* Optional features */
+#define CONFIG_BATTERY_SMART
+#define CONFIG_BOARD_VERSION
+#define CONFIG_FANS 1
+#define CONFIG_I2C
+#define CONFIG_I2C_MASTER
+#define CONFIG_IT83XX_LPC_ACCESS_INT
+#define CONFIG_IT83XX_SMCLK2_ON_GPC7
+#define CONFIG_KEYBOARD_BOARD_CONFIG
+#define CONFIG_KEYBOARD_PROTOCOL_8042
+#define CONFIG_LOW_POWER_IDLE
+#define CONFIG_PECI_TJMAX 100
+#define CONFIG_POWER_BUTTON
+/* Use CS0 of SSPI */
+#define CONFIG_SPI_FLASH_PORT 0
+#define CONFIG_UART_HOST
+
+/* Optional console commands */
+#define CONFIG_CMD_FLASH
+#define CONFIG_CMD_SCRATCHPAD
+#define CONFIG_CMD_STACKOVERFLOW
+
+/* Debug */
+#undef CONFIG_CMD_FORCETIME
+#undef CONFIG_HOOK_DEBUG
+#undef CONFIG_KEYBOARD_DEBUG
+#undef CONFIG_UART_TX_BUF_SIZE
+#define CONFIG_UART_TX_BUF_SIZE 4096
+
+#ifndef __ASSEMBLER__
+
+#include "registers.h"
+
+#define I2C_PORT_CHARGER IT83XX_I2C_CH_C
+#define I2C_PORT_BATTERY IT83XX_I2C_CH_C
+
+#include "gpio_signal.h"
+
+enum pwm_channel {
+ PWM_CH_FAN,
+ PWM_CH_1,
+ PWM_CH_2,
+ PWM_CH_3,
+ PWM_CH_4,
+ PWM_CH_5,
+ PWM_CH_7,
+
+ /* Number of PWM channels */
+ PWM_CH_COUNT
+};
+
+enum adc_channel {
+ ADC_CH_0,
+ ADC_CH_1,
+ ADC_CH_2,
+ ADC_CH_3,
+ ADC_CH_4,
+ ADC_CH_5,
+ ADC_CH_6,
+ ADC_CH_7,
+
+ /* Number of ADC channels */
+ ADC_CH_COUNT
+};
+
+enum ec2i_setting {
+ EC2I_SET_KB_LDN,
+ EC2I_SET_KB_IRQ,
+ EC2I_SET_KB_ENABLE,
+ EC2I_SET_MOUSE_LDN,
+ EC2I_SET_MOUSE_IRQ,
+ EC2I_SET_MOUSE_ENABLE,
+ EC2I_SET_PMC1_LDN,
+ EC2I_SET_PMC1_IRQ,
+ EC2I_SET_PMC1_ENABLE,
+ EC2I_SET_PMC2_LDN,
+ EC2I_SET_PMC2_BASE0_MSB,
+ EC2I_SET_PMC2_BASE0_LSB,
+ EC2I_SET_PMC2_BASE1_MSB,
+ EC2I_SET_PMC2_BASE1_LSB,
+ EC2I_SET_PMC2_IRQ,
+ EC2I_SET_PMC2_ENABLE,
+ EC2I_SET_SMFI_LDN,
+ EC2I_SET_SMFI_H2RAM_IO_BASE,
+ EC2I_SET_SMFI_H2RAM_MAP_LPC_IO,
+ EC2I_SET_SMFI_ENABLE,
+ EC2I_SET_PMC3_LDN,
+ EC2I_SET_PMC3_BASE0_MSB,
+ EC2I_SET_PMC3_BASE0_LSB,
+ EC2I_SET_PMC3_BASE1_MSB,
+ EC2I_SET_PMC3_BASE1_LSB,
+ EC2I_SET_PMC3_IRQ,
+ EC2I_SET_PMC3_ENABLE,
+ EC2I_SET_RTCT_LDN,
+ EC2I_SET_RTCT_P80LB,
+ EC2I_SET_RTCT_P80LE,
+ EC2I_SET_RTCT_P80LC,
+#ifdef CONFIG_UART_HOST
+ EC2I_SET_UART2_LDN,
+ EC2I_SET_UART2_IO_BASE_MSB,
+ EC2I_SET_UART2_IO_BASE_LSB,
+ EC2I_SET_UART2_IRQ,
+ EC2I_SET_UART2_IRQ_TYPE,
+ EC2I_SET_UART2_ENABLE,
+#endif
+ /* Number of EC2I settings */
+ EC2I_SETTING_COUNT
+};
+
+#endif /* !__ASSEMBLER__ */
+#endif /* __CROS_EC_BOARD_H */
diff --git a/board/it83xx_evb/build.mk b/board/it83xx_evb/build.mk
new file mode 100644
index 0000000000..83f36b09b1
--- /dev/null
+++ b/board/it83xx_evb/build.mk
@@ -0,0 +1,11 @@
+# -*- makefile -*-
+# Copyright (c) 2013 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 ITE 8380
+CHIP:=it83xx
+
+board-y=board.o
diff --git a/board/it83xx_evb/ec.tasklist b/board/it83xx_evb/ec.tasklist
new file mode 100644
index 0000000000..6db02cfa8a
--- /dev/null
+++ b/board/it83xx_evb/ec.tasklist
@@ -0,0 +1,24 @@
+/* Copyright (c) 2013 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' in the name of the task
+ * 'r' in the main routine of the task
+ * 'd' in 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(CONSOLE, console_task, NULL, LARGER_TASK_STACK_SIZE) \
+ TASK_ALWAYS(HOSTCMD, host_command_task, NULL, TASK_STACK_SIZE) \
+ TASK_NOTEST(KEYPROTO, keyboard_protocol_task, NULL, TASK_STACK_SIZE) \
+ TASK_NOTEST(KEYSCAN, keyboard_scan_task, NULL, TASK_STACK_SIZE)
diff --git a/board/it83xx_evb/gpio.inc b/board/it83xx_evb/gpio.inc
new file mode 100644
index 0000000000..51c9167b92
--- /dev/null
+++ b/board/it83xx_evb/gpio.inc
@@ -0,0 +1,78 @@
+/* -*- mode:c -*-
+ *
+ * Copyright (c) 2014 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.
+ */
+
+/* Declare symbolic names for all the GPIOs that we care about.
+ * Note: Those with interrupt handlers must be declared first. */
+
+GPIO_INT(POWER_BUTTON_L, PIN(E, 4), GPIO_INT_BOTH | GPIO_PULL_UP, power_button_interrupt)
+GPIO_INT(PCH_PLTRST_L, PIN(E, 3), GPIO_INT_BOTH | GPIO_PULL_UP, lpcrst_interrupt)
+GPIO_INT(LID_OPEN, PIN(E, 2), GPIO_INT_BOTH | GPIO_PULL_DOWN, lid_interrupt)
+GPIO_INT(WP_L, PIN(E, 1), GPIO_INT_BOTH, switch_interrupt) /* Write protect input */
+#ifdef CONFIG_LOW_POWER_IDLE
+GPIO_INT(UART1_RX, PIN(B, 0), GPIO_INT_FALLING, uart_deepsleep_interrupt) /* UART1 RX input */
+#endif
+
+GPIO(CAPS_LED, PIN(H, 1), GPIO_OUT_LOW)
+GPIO(SCRO_LED, PIN(H, 2), GPIO_OUT_LOW)
+GPIO(PCH_SMI_L, PIN(D, 3), GPIO_OUT_HIGH)
+GPIO(PCH_SCI_L, PIN(D, 4), GPIO_OUT_HIGH)
+GPIO(GATE_A20_H, PIN(B, 5), GPIO_OUT_HIGH)
+GPIO(PCH_RCIN_L, PIN(B, 6), GPIO_OUT_HIGH)
+GPIO(LPC_CLKRUN_L, PIN(H, 0), GPIO_OUT_LOW)
+GPIO(PCH_WAKE_L, PIN(B, 7), GPIO_ODR_HIGH) /* Wake signal from EC to PCH */
+
+GPIO(I2C_A_SCL, PIN(B, 3), GPIO_INPUT)
+GPIO(I2C_A_SDA, PIN(B, 4), GPIO_INPUT)
+GPIO(I2C_B_SCL, PIN(C, 1), GPIO_INPUT)
+GPIO(I2C_B_SDA, PIN(C, 2), GPIO_INPUT)
+#ifdef CONFIG_IT83XX_SMCLK2_ON_GPC7
+GPIO(I2C_C_SCL, PIN(C, 7), GPIO_INPUT)
+#else
+GPIO(I2C_C_SCL, PIN(F, 6), GPIO_INPUT)
+#endif
+GPIO(I2C_C_SDA, PIN(F, 7), GPIO_INPUT)
+
+GPIO(I2C_E_SCL, PIN(E, 0), GPIO_INPUT)
+GPIO(I2C_E_SDA, PIN(E, 7), GPIO_INPUT)
+
+#ifdef CONFIG_UART_HOST
+GPIO(UART2_SIN1, PIN(H, 1), GPIO_INPUT)
+GPIO(UART2_SOUT1, PIN(H, 2), GPIO_INPUT)
+#else
+GPIO(I2C_D_SCL, PIN(H, 1), GPIO_INPUT)
+GPIO(I2C_D_SDA, PIN(H, 2), GPIO_INPUT)
+#endif
+
+/* KSO/KSI pins can be used as GPIO input. */
+GPIO(BOARD_VERSION1, PIN(KSO_H, 5), GPIO_INPUT)
+GPIO(BOARD_VERSION2, PIN(KSO_H, 6), GPIO_INPUT)
+GPIO(BOARD_VERSION3, PIN(KSO_H, 7), GPIO_INPUT)
+
+/* Unimplemented signals which we need to emulate for now */
+UNIMPLEMENTED(ENTERING_RW)
+
+ALTERNATE(PIN_MASK(B, 0x03), 1, MODULE_UART, GPIO_PULL_UP) /* UART1 */
+#ifdef CONFIG_UART_HOST
+ALTERNATE(PIN_MASK(H, 0x06), 1, MODULE_UART, 0) /* UART2 */
+#else
+ALTERNATE(PIN_MASK(H, 0x06), 1, MODULE_I2C, 0) /* I2C D SCL/SDA H1/H2 */
+#endif
+ALTERNATE(PIN_MASK(A, 0x40), 3, MODULE_SPI, 0) /* SSCK of SPI */
+ALTERNATE(PIN_MASK(C, 0x28), 3, MODULE_SPI, 0) /* SMOSI/SMISO of SPI */
+ALTERNATE(PIN_MASK(G, 0x01), 3, MODULE_SPI, 0) /* SSCE1# of SPI */
+ALTERNATE(PIN_MASK(G, 0x04), 3, MODULE_SPI, 0) /* SSCE0# of SPI */
+ALTERNATE(PIN_MASK(A, 0x80), 1, MODULE_PWM, 0) /* PWM7 for FAN1 */
+ALTERNATE(PIN_MASK(D, 0x40), 3, MODULE_PWM, 0) /* TACH0A for FAN1 */
+ALTERNATE(PIN_MASK(B, 0x18), 1, MODULE_I2C, 0) /* I2C A SCL/SDA */
+#ifdef CONFIG_IT83XX_SMCLK2_ON_GPC7
+ALTERNATE(PIN_MASK(C, 0x86), 1, MODULE_I2C, 0) /* I2C B SCL/SDA, C SCL */
+ALTERNATE(PIN_MASK(F, 0x80), 1, MODULE_I2C, 0) /* I2C C SDA */
+#else
+ALTERNATE(PIN_MASK(C, 0x06), 1, MODULE_I2C, 0) /* I2C B SCL/SDA */
+ALTERNATE(PIN_MASK(F, 0xC0), 1, MODULE_I2C, 0) /* I2C C SCL/SDA */
+#endif
+ALTERNATE(PIN_MASK(E, 0x81), 1, MODULE_I2C, 0) /* I2C E SCL/SDA E0/E7 */