blob: 110718e2e14cdc0da853ee57efd2a0d7e38dbde0 (
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
82
83
84
85
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <amdblocks/acpimmio.h>
#include <amdblocks/espi.h>
#include <amdblocks/i2c.h>
#include <amdblocks/lpc.h>
#include <amdblocks/pmlib.h>
#include <amdblocks/smbus.h>
#include <amdblocks/spi.h>
#include <console/console.h>
#include <soc/i2c.h>
#include <soc/southbridge.h>
#include <soc/uart.h>
#include <types.h>
#include "chip.h"
/* This table is for the initial conversion of all SCL pins to input with no pull. */
static const struct soc_i2c_scl_pin i2c_scl_pins[] = {
{ PAD_GPI(I2C2_SCL_PIN, PULL_NONE), GPIO_I2C2_SCL },
{ PAD_GPI(I2C3_SCL_PIN, PULL_NONE), GPIO_I2C3_SCL },
/* I2C4 is a peripheral device only */
};
static void lpc_configure_decodes(void)
{
if (CONFIG(POST_IO) && (CONFIG_POST_IO_PORT == 0x80))
lpc_enable_port80();
}
static void reset_i2c_peripherals(void)
{
const struct soc_amd_picasso_config *cfg = config_of_soc();
struct soc_i2c_peripheral_reset_info reset_info;
reset_info.i2c_scl_reset_mask = cfg->i2c_scl_reset & GPIO_I2C_MASK;
reset_info.i2c_scl = i2c_scl_pins;
reset_info.num_pins = ARRAY_SIZE(i2c_scl_pins);
sb_reset_i2c_peripherals(&reset_info);
}
/* Before console init */
void fch_pre_init(void)
{
lpc_early_init();
if (!CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI))
lpc_configure_decodes();
fch_spi_early_init();
enable_acpimmio_decode_pm04();
fch_smbus_init();
fch_enable_cf9_io();
fch_enable_legacy_io();
enable_aoac_devices();
reset_i2c_peripherals();
/*
* On reset Range_0 defaults to enabled. We want to start with a clean
* slate to not have things unexpectedly enabled.
*/
clear_uart_legacy_config();
if (CONFIG(AMD_SOC_CONSOLE_UART))
set_uart_config(CONFIG_UART_FOR_CONSOLE);
/* disable the keyboard reset function before mainboard GPIO setup */
if (CONFIG(DISABLE_KEYBOARD_RESET_PIN))
fch_disable_kb_rst();
}
/* After console init */
void fch_early_init(void)
{
pm_set_power_failure_state();
fch_print_pmxc0_status();
i2c_soc_early_init();
show_spi_speeds_and_modes();
if (CONFIG(DISABLE_SPI_FLASH_ROM_SHARING))
lpc_disable_spi_rom_sharing();
if (CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI))
espi_setup();
}
|
