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
53
54
55
56
57
58
|
/* Copyright 2020 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.
*/
/* Honeybuns family-specific configuration */
#include "console.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "usb_pd.h"
#include "system.h"
#include "timer.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args)
/******************************************************************************/
static void board_power_sequence(void)
{
int i;
for(i = 0; i < board_power_seq_count; i++) {
gpio_set_level(board_power_seq[i].signal,
board_power_seq[i].level);
if (board_power_seq[i].delay_ms)
msleep(board_power_seq[i].delay_ms);
}
}
/******************************************************************************/
/* I2C port map configuration */
const struct i2c_port_t i2c_ports[] = {
{"i2c1", I2C_PORT_I2C1, 400, GPIO_EC_I2C1_SCL, GPIO_EC_I2C1_SDA},
{"i2c3", I2C_PORT_I2C3, 400, GPIO_EC_I2C3_SCL, GPIO_EC_I2C3_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
static void baseboard_init(void)
{
/* Turn on power rails */
board_power_sequence();
CPRINTS("board: Power rails enabled");
#ifdef SECTION_IS_RW
/* Force TC state machine to start in TC_ERROR_RECOVERY */
system_clear_reset_flags(EC_RESET_FLAG_POWER_ON);
/* Make certain SN5S330 PPC does full initialization */
system_set_reset_flags(EC_RESET_FLAG_EFS);
#else
/* Set up host port usbc to present Rd on CC lines */
if(baseboard_usbc_init(USB_PD_PORT_HOST))
CPRINTS("usbc: Failed to set up sink path");
#endif
}
DECLARE_HOOK(HOOK_INIT, baseboard_init, HOOK_PRIO_DEFAULT);
|
