blob: 1fd7fce0c7e0800deac60c7a0a1afc112dd8d116 (
plain)
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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016-2017 Intel Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <console/console.h>
#include <soc/car.h>
#include <soc/ramstage.h>
#include "reg_access.h"
#include "gen1.h"
#include "gen2.h"
void car_mainboard_pre_console_init(void)
{
const struct reg_script *script;
/* Initialize the GPIO controllers */
if (CONFIG(GALILEO_GEN2))
script = gen2_gpio_init;
else
script = gen1_gpio_init;
reg_script_run(script);
/* Initialize the RXD and TXD paths for UART0 */
if (CONFIG(ENABLE_BUILTIN_HSUART0)) {
if (CONFIG(GALILEO_GEN2))
script = gen2_hsuart0;
else
script = (reg_legacy_gpio_read(
R_QNC_GPIO_RGLVL_RESUME_WELL)
& GALILEO_DETERMINE_IOEXP_SLA_RESUMEWELL_GPIO)
? gen1_hsuart0_0x20 : gen1_hsuart0_0x21;
reg_script_run(script);
}
}
void mainboard_gpio_i2c_init(struct device *dev)
{
const struct reg_script *script;
printk(BIOS_INFO, "Galileo I2C chip initialization\n");
/* Determine the correct script for the board */
if (CONFIG(GALILEO_GEN2))
script = gen2_i2c_init;
else
/* Determine which I2C address is in use */
script = (reg_legacy_gpio_read(R_QNC_GPIO_RGLVL_RESUME_WELL)
& GALILEO_DETERMINE_IOEXP_SLA_RESUMEWELL_GPIO)
? gen1_i2c_0x20_init : gen1_i2c_0x21_init;
/* Initialize the I2C chips */
reg_script_run(script);
}
void mainboard_gpio_pcie_reset(uint32_t pin_value)
{
uint32_t pin_number;
uint32_t value;
/* Determine the correct PCIe reset pin */
if (CONFIG(GALILEO_GEN2))
pin_number = GEN2_PCI_RESET_RESUMEWELL_GPIO;
else
pin_number = GEN1_PCI_RESET_RESUMEWELL_GPIO;
/* Update the PCIe reset value */
value = reg_legacy_gpio_read(R_QNC_GPIO_RGLVL_RESUME_WELL);
value = (value & ~(1 << pin_number)) | ((pin_value & 1) << pin_number);
reg_legacy_gpio_write(R_QNC_GPIO_RGLVL_RESUME_WELL, value);
}
|
