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/* 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.
*/
/* EC for Link board configuration */
#include "adc.h"
#include "common.h"
#include "extpower.h"
#include "gpio.h"
#include "i2c.h"
#include "lm4_adc.h"
#include "registers.h"
#include "switch.h"
#include "util.h"
#include "x86_power.h"
#ifndef CONFIG_TASK_X86POWER
#define x86_power_interrupt NULL
#endif
#ifndef CONFIG_TASK_SWITCH
#define switch_interrupt NULL
#endif
/* GPIO signal list. Must match order from enum gpio_signal. */
const struct gpio_info gpio_list[GPIO_COUNT] = {
/* Inputs with interrupt handlers are first for efficiency */
{"POWER_BUTTONn", LM4_GPIO_K, (1<<7), GPIO_INT_BOTH,
switch_interrupt},
{"LID_SWITCHn", LM4_GPIO_K, (1<<5), GPIO_INT_BOTH,
switch_interrupt},
/* Other inputs */
{"THERMAL_DATA_READYn", LM4_GPIO_B, (1<<4), 0, NULL},
{"AC_PRESENT", LM4_GPIO_H, (1<<3), GPIO_INT_BOTH,
extpower_interrupt},
{"BOARD_VERSION1", LM4_GPIO_H, (1<<6), 0, NULL},
{"BOARD_VERSION2", LM4_GPIO_L, (1<<6), 0, NULL},
{"BOARD_VERSION3", LM4_GPIO_L, (1<<7), 0, NULL},
{"PCH_BKLTEN", LM4_GPIO_J, (1<<3), GPIO_INT_BOTH,
switch_interrupt},
{"PCH_SLP_An", LM4_GPIO_G, (1<<5), GPIO_INT_BOTH,
x86_power_interrupt},
{"PCH_SLP_ME_CSW_DEVn", LM4_GPIO_G, (1<<4), GPIO_INT_BOTH,
x86_power_interrupt},
{"PCH_SLP_S3n", LM4_GPIO_J, (1<<0), GPIO_INT_BOTH,
x86_power_interrupt},
{"PCH_SLP_S4n", LM4_GPIO_J, (1<<1), GPIO_INT_BOTH,
x86_power_interrupt},
{"PCH_SLP_S5n", LM4_GPIO_J, (1<<2), GPIO_INT_BOTH,
x86_power_interrupt},
{"PCH_SLP_SUSn", LM4_GPIO_G, (1<<3), GPIO_INT_BOTH,
x86_power_interrupt},
{"PCH_SUSWARNn", LM4_GPIO_G, (1<<2), GPIO_INT_BOTH,
x86_power_interrupt},
{"PGOOD_1_5V_DDR", LM4_GPIO_K, (1<<0), GPIO_INT_BOTH,
x86_power_interrupt},
{"PGOOD_1_5V_PCH", LM4_GPIO_K, (1<<1), GPIO_INT_BOTH,
x86_power_interrupt},
{"PGOOD_1_8VS", LM4_GPIO_K, (1<<3), GPIO_INT_BOTH,
x86_power_interrupt},
{"PGOOD_5VALW", LM4_GPIO_H, (1<<0), GPIO_INT_BOTH,
x86_power_interrupt},
{"PGOOD_CPU_CORE", LM4_GPIO_M, (1<<3), GPIO_INT_BOTH,
x86_power_interrupt},
{"PGOOD_VCCP", LM4_GPIO_K, (1<<2), GPIO_INT_BOTH,
x86_power_interrupt},
{"PGOOD_VCCSA", LM4_GPIO_H, (1<<1), GPIO_INT_BOTH,
x86_power_interrupt},
{"PGOOD_VGFX_CORE", LM4_GPIO_D, (1<<2), GPIO_INT_BOTH,
x86_power_interrupt},
{"RECOVERYn", LM4_GPIO_H, (1<<7), GPIO_INT_BOTH,
switch_interrupt},
{"USB1_STATUSn", LM4_GPIO_E, (1<<7), 0, NULL},
{"USB2_STATUSn", LM4_GPIO_E, (1<<1), 0, NULL},
{"WRITE_PROTECT", LM4_GPIO_J, (1<<4), GPIO_INT_BOTH,
switch_interrupt},
/* Outputs; all unasserted by default except for reset signals */
{"CPU_PROCHOT", LM4_GPIO_F, (1<<2), GPIO_OUT_LOW, NULL},
{"ENABLE_1_5V_DDR", LM4_GPIO_H, (1<<5), GPIO_OUT_LOW, NULL},
{"ENABLE_5VALW", LM4_GPIO_K, (1<<4), GPIO_OUT_HIGH, NULL},
{"ENABLE_BACKLIGHT", LM4_GPIO_H, (1<<4), GPIO_OUT_LOW, NULL},
{"ENABLE_TOUCHPAD", LM4_GPIO_C, (1<<6), GPIO_OUT_LOW, NULL},
{"ENABLE_VCORE", LM4_GPIO_F, (1<<7), GPIO_OUT_LOW, NULL},
{"ENABLE_VS", LM4_GPIO_G, (1<<6), GPIO_OUT_LOW, NULL},
{"ENABLE_WLAN", LM4_GPIO_Q, (1<<5), GPIO_OUT_LOW, NULL},
{"ENTERING_RW", LM4_GPIO_J, (1<<5), GPIO_OUT_LOW, NULL},
{"LIGHTBAR_RESETn", LM4_GPIO_B, (1<<1), GPIO_OUT_LOW, NULL},
{"PCH_A20GATE", LM4_GPIO_Q, (1<<6), GPIO_OUT_LOW, NULL},
{"PCH_DPWROK", LM4_GPIO_G, (1<<0), GPIO_OUT_LOW, NULL},
/*
* 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).
*/
{"PCH_HDA_SDO", LM4_GPIO_G, (1<<1), GPIO_INPUT, NULL},
{"PCH_WAKEn", LM4_GPIO_F, (1<<0), GPIO_OUT_HIGH, NULL},
{"PCH_NMIn", LM4_GPIO_M, (1<<2), GPIO_OUT_HIGH, NULL},
{"PCH_PWRBTNn", LM4_GPIO_G, (1<<7), GPIO_OUT_HIGH, NULL},
{"PCH_PWROK", LM4_GPIO_F, (1<<5), GPIO_OUT_LOW, NULL},
{"PCH_RCINn", LM4_GPIO_Q, (1<<7), GPIO_HI_Z, NULL},
{"PCH_RSMRSTn", LM4_GPIO_F, (1<<1), GPIO_OUT_LOW, NULL},
{"PCH_RTCRSTn", LM4_GPIO_F, (1<<6), GPIO_HI_Z, NULL},
{"PCH_SMIn", LM4_GPIO_F, (1<<4), GPIO_OUT_HIGH, NULL},
{"PCH_SRTCRSTn", LM4_GPIO_C, (1<<7), GPIO_HI_Z, NULL},
{"PCH_SUSACKn", LM4_GPIO_F, (1<<3), GPIO_OUT_HIGH, NULL},
{"RADIO_ENABLE_WLAN", LM4_GPIO_D, (1<<0), GPIO_OUT_LOW, NULL},
{"RADIO_ENABLE_BT", LM4_GPIO_D, (1<<1), GPIO_OUT_LOW, NULL},
{"SPI_CSn", LM4_GPIO_A, (1<<3), GPIO_HI_Z, NULL},
{"TOUCHSCREEN_RESETn", LM4_GPIO_B, (1<<0), GPIO_OUT_LOW, NULL},
{"USB1_CTL1", LM4_GPIO_E, (1<<2), GPIO_OUT_LOW, NULL},
{"USB1_CTL2", LM4_GPIO_E, (1<<3), GPIO_OUT_LOW, NULL},
{"USB1_CTL3", LM4_GPIO_E, (1<<4), GPIO_OUT_LOW, NULL},
{"USB1_ENABLE", LM4_GPIO_E, (1<<5), GPIO_OUT_LOW, NULL},
{"USB1_ILIM_SEL", LM4_GPIO_E, (1<<6), GPIO_OUT_LOW, NULL},
{"USB2_CTL1", LM4_GPIO_D, (1<<4), GPIO_OUT_LOW, NULL},
{"USB2_CTL2", LM4_GPIO_D, (1<<5), GPIO_OUT_LOW, NULL},
{"USB2_CTL3", LM4_GPIO_D, (1<<6), GPIO_OUT_LOW, NULL},
{"USB2_ENABLE", LM4_GPIO_D, (1<<7), GPIO_OUT_LOW, NULL},
{"USB2_ILIM_SEL", LM4_GPIO_E, (1<<0), GPIO_OUT_LOW, NULL},
};
/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
const struct adc_t adc_channels[ADC_CH_COUNT] = {
/* 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},
/* Charger current is mapped from 0~4000mA to 0~1.6V.
* And ADC maps 0~3.3V to ADC_READ_MAX.
*/
{"ChargerCurrent", LM4_ADC_SEQ1, 33 * 4000, ADC_READ_MAX * 16, 0,
LM4_AIN(11), 0x06 /* IE0 | END0 */, LM4_GPIO_B, (1<<5)},
};
/* I2C ports */
const struct i2c_port_t i2c_ports[I2C_PORTS_USED] = {
/* Note: battery and charger share a port. Only include it once in
* this list so we don't double-initialize it. */
{"batt_chg", I2C_PORT_BATTERY, 100},
{"lightbar", I2C_PORT_LIGHTBAR, 400},
{"thermal", I2C_PORT_THERMAL, 100},
};
void configure_board(void)
{
}
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