1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* 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 "adc.h"
#include "board.h"
#include "gpio.h"
#include "i2c.h"
#include "lm4_adc.h"
#include "registers.h"
#include "util.h"
/* 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.
*/
{"BDSPot", LM4_ADC_SEQ1, 33 * 4000, ADC_READ_MAX * 16, 0,
LM4_AIN(0), 0x06 /* IE0 | END0 */},
};
/* I2C ports */
const struct i2c_port_t i2c_ports[I2C_PORTS_USED] = {
{"lightbar", I2C_PORT_LIGHTBAR, 400},
};
/* GPIO signal list. Must match order from enum gpio_signal. */
const struct gpio_info gpio_list[GPIO_COUNT] = {
{"RECOVERYn", LM4_GPIO_D, (1<<1), GPIO_PULL_UP, NULL},
{"DEBUG_LED", LM4_GPIO_A, (1<<7), GPIO_OUT_LOW, NULL},
/* Unimplemented signals which we need to emulate for now */
GPIO_SIGNAL_NOT_IMPLEMENTED("WRITE_PROTECT"),
};
void configure_board(void)
{
}
|
