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/* Copyright (c) 2012 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.
*/
/* Stellaris EKB-LM4F-EAC board-specific configuration */
#include "board.h"
#include "chipset.h"
#include "gpio.h"
#include "power_button.h"
#include "registers.h"
#include "util.h"
#include "lm4_adc.h"
#include "adc.h"
#ifndef CONFIG_TASK_POWERBTN
#define power_button_interrupt NULL
#endif
/* 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 */},
/* Charger current is mapped from 0~4000mA to 0~1.6V.
* And ADC maps 0~3.3V to ADC_READ_MAX.
*
* Note that on BDS, this is really just the turn pot on the Badger
* board, but that's good enough for debugging the ADC.
*/
{"ChargerCurrent", LM4_ADC_SEQ1, 33 * 4000, ADC_READ_MAX * 16, 0,
LM4_AIN(0), 0x06 /* IE0 | END0 */},
};
/* 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_C, (1<<5), GPIO_PULL_UP | GPIO_INT_BOTH,
power_button_interrupt},
{"LID_SWITCHn", LM4_GPIO_D, (1<<0), GPIO_PULL_UP | GPIO_INT_BOTH,
power_button_interrupt},
/* Other inputs */
/* Outputs */
{"DEBUG_LED", LM4_GPIO_A, (1<<7), GPIO_OUT_LOW, NULL},
/* Unimplemented signals which we need to emulate for now */
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_WAKEn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_PWRBTNn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_BKLTEN"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SLP_An"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SLP_ME_CSW_DEVn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SLP_S3n"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SLP_S4n"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SLP_S5n"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SLP_SUSn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SUSWARNn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PGOOD_1_5V_DDR"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PGOOD_1_5V_PCH"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PGOOD_1_8VS"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PGOOD_5VALW"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PGOOD_CPU_CORE"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PGOOD_VCCP"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PGOOD_VCCSA"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PGOOD_VGFX_CORE"),
GPIO_SIGNAL_NOT_IMPLEMENTED("ENABLE_1_5V_DDR"),
GPIO_SIGNAL_NOT_IMPLEMENTED("ENABLE_BACKLIGHT"),
GPIO_SIGNAL_NOT_IMPLEMENTED("ENABLE_VCORE"),
GPIO_SIGNAL_NOT_IMPLEMENTED("ENABLE_VS"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_DPWROK"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_PWROK"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_RSMRSTn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SMIn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("PCH_SUSACKn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("SHUNT_1_5V_DDR"),
GPIO_SIGNAL_NOT_IMPLEMENTED("RECOVERYn"),
GPIO_SIGNAL_NOT_IMPLEMENTED("WRITE_PROTECT"),
GPIO_SIGNAL_NOT_IMPLEMENTED("LIGHTBAR_RESETn"),
};
/* BDS system is only half-wired to an x86 chipset, so it can't tell what state
* the chipset is in. Rather than scatter ifdef's everywhere, put a mock
* chipset interface here. */
int chipset_in_state(int state_mask)
{
return 1; /* Sure, I'm in whatever state you want. */
}
void chipset_exit_hard_off(void)
{
}
void configure_board(void)
{
}
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