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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/gpio.h>
#include <soc/i2c.h>
#include <soc/regulator.h>
#include <soc/msdc.h>
#include <soc/mt6360.h>
DEFINE_BITFIELD(MSDC0_DRV, 29, 0)
DEFINE_BITFIELD(MSDC1_DRV, 17, 0)
DEFINE_BITFIELD(MSDC1_GPIO_MODE0_0, 26, 24)
DEFINE_BITFIELD(MSDC1_GPIO_MODE0_1, 30, 28)
DEFINE_BITFIELD(MSDC1_GPIO_MODE1_0, 2, 0)
DEFINE_BITFIELD(MSDC1_GPIO_MODE1_1, 6, 4)
DEFINE_BITFIELD(MSDC1_GPIO_MODE1_2, 10, 8)
DEFINE_BITFIELD(MSDC1_GPIO_MODE1_3, 14, 12)
#define MSDC0_BASE 0x11230000
#define MSDC0_TOP_BASE 0x11f50000
#define MSDC0_DRV_VALUE 0x1b6db6db
#define MSDC1_DRV_VALUE 0x1b6db
#define MSDC1_GPIO_MODE0_VALUE 0x1
#define MSDC1_GPIO_MODE1_VALUE 0x1
enum {
MSDC1_GPIO_MODE0_BASE = 0x100053d0,
MSDC1_GPIO_MODE1_BASE = 0x100053e0,
};
void mtk_msdc_configure_emmc(bool is_early_init)
{
void *gpio_base = (void *)IOCFG_TL_BASE;
int i;
const gpio_t emmc_pu_pin[] = {
GPIO(EMMC_DAT0), GPIO(EMMC_DAT1),
GPIO(EMMC_DAT2), GPIO(EMMC_DAT3),
GPIO(EMMC_DAT4), GPIO(EMMC_DAT5),
GPIO(EMMC_DAT6), GPIO(EMMC_DAT7),
GPIO(EMMC_CMD), GPIO(EMMC_RSTB),
};
const gpio_t emmc_pd_pin[] = {
GPIO(EMMC_DSL), GPIO(EMMC_CLK),
};
for (i = 0; i < ARRAY_SIZE(emmc_pu_pin); i++)
gpio_set_pull(emmc_pu_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_UP);
for (i = 0; i < ARRAY_SIZE(emmc_pd_pin); i++)
gpio_set_pull(emmc_pd_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_DOWN);
/* set eMMC cmd/dat/clk/ds/rstb pins driving to 8mA */
SET32_BITFIELDS(gpio_base, MSDC0_DRV, MSDC0_DRV_VALUE);
if (is_early_init)
mtk_emmc_early_init((void *)MSDC0_BASE, (void *)MSDC0_TOP_BASE);
}
void mtk_msdc_configure_sdcard(void)
{
void *gpio_base = (void *)IOCFG_RB_BASE;
void *gpio_mode0_base = (void *)MSDC1_GPIO_MODE0_BASE;
void *gpio_mode1_base = (void *)MSDC1_GPIO_MODE1_BASE;
int i;
const gpio_t sdcard_pu_pin[] = {
GPIO(MSDC1_DAT0), GPIO(MSDC1_DAT1),
GPIO(MSDC1_DAT2), GPIO(MSDC1_DAT3),
GPIO(MSDC1_CMD),
};
const gpio_t sdcard_pd_pin[] = {
GPIO(MSDC1_CLK),
};
for (i = 0; i < ARRAY_SIZE(sdcard_pu_pin); i++)
gpio_set_pull(sdcard_pu_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_UP);
for (i = 0; i < ARRAY_SIZE(sdcard_pd_pin); i++)
gpio_set_pull(sdcard_pd_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_DOWN);
/* set sdcard cmd/dat/clk pins driving to 8mA */
SET32_BITFIELDS(gpio_base, MSDC1_DRV, MSDC1_DRV_VALUE);
/* set sdcard dat2/dat0/dat3/cmd/clk pins to msdc1 mode */
SET32_BITFIELDS(gpio_mode0_base,
MSDC1_GPIO_MODE0_0, MSDC1_GPIO_MODE0_VALUE,
MSDC1_GPIO_MODE0_1, MSDC1_GPIO_MODE0_VALUE);
/* set sdcard dat1 pin to msdc1 mode */
SET32_BITFIELDS(gpio_mode1_base,
MSDC1_GPIO_MODE1_0, MSDC1_GPIO_MODE1_VALUE,
MSDC1_GPIO_MODE1_1, MSDC1_GPIO_MODE1_VALUE,
MSDC1_GPIO_MODE1_2, MSDC1_GPIO_MODE1_VALUE,
MSDC1_GPIO_MODE1_3, MSDC1_GPIO_MODE1_VALUE);
mtk_i2c_bus_init(I2C7, I2C_SPEED_FAST);
if (CONFIG(BOARD_GOOGLE_CHERRY))
mt6360_init(I2C7);
mainboard_enable_regulator(MTK_REGULATOR_VCCQ, true);
mainboard_enable_regulator(MTK_REGULATOR_VCC, true);
}
|
