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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <bl31.h>
#include <bootmode.h>
#include <console/console.h>
#include <delay.h>
#include <device/device.h>
#include <device/mmio.h>
#include <edid.h>
#include <framebuffer_info.h>
#include <gpio.h>
#include <soc/ddp.h>
#include <soc/dpm.h>
#include <soc/dptx.h>
#include <soc/gpio.h>
#include <soc/i2c.h>
#include <soc/msdc.h>
#include <soc/mt6360.h>
#include <soc/mtcmos.h>
#include <soc/regulator.h>
#include <soc/spm.h>
#include <soc/usb.h>
#include "gpio.h"
#include <arm-trusted-firmware/include/export/plat/mediatek/common/plat_params_exp.h>
/* GPIO to schematics names */
#define GPIO_AP_EDP_BKLTEN GPIO(DGI_D5)
#define GPIO_BL_PWM_1V8 GPIO(DISP_PWM0)
#define GPIO_EDP_HPD_1V8 GPIO(GPIO_07)
#define GPIO_EN_PP3300_DISP_X GPIO(I2SO1_D2)
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,
};
static void register_reset_to_bl31(void)
{
static struct bl_aux_param_gpio param_reset = {
.h = { .type = BL_AUX_PARAM_MTK_RESET_GPIO },
.gpio = { .polarity = ARM_TF_GPIO_LEVEL_HIGH },
};
param_reset.gpio.index = GPIO_RESET.id;
register_bl31_aux_param(¶m_reset.h);
}
static void configure_emmc(void)
{
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);
mtk_emmc_early_init((void *)MSDC0_BASE, (void *)MSDC0_TOP_BASE);
}
static void 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, 1);
mainboard_enable_regulator(MTK_REGULATOR_VCC, 1);
}
/* Set up backlight control pins as output pin and power-off by default */
static void configure_panel_backlight(void)
{
gpio_output(GPIO_AP_EDP_BKLTEN, 0);
gpio_output(GPIO_BL_PWM_1V8, 0);
}
static void power_on_panel(void)
{
/* Default power sequence for most panels. */
gpio_set_pull(GPIO_EDP_HPD_1V8, GPIO_PULL_ENABLE, GPIO_PULL_UP);
gpio_set_mode(GPIO_EDP_HPD_1V8, 2);
gpio_output(GPIO_EN_PP3300_DISP_X, 1);
}
static bool configure_display(void)
{
struct edid edid;
struct fb_info *info;
const char *name;
printk(BIOS_INFO, "%s: Starting display initialization\n", __func__);
mtcmos_display_power_on();
mtcmos_protect_display_bus();
configure_panel_backlight();
power_on_panel();
mtk_ddp_init();
mdelay(200);
if (mtk_edp_init(&edid) < 0) {
printk(BIOS_ERR, "%s: Failed to initialize eDP\n", __func__);
return false;
}
name = edid.ascii_string;
if (name[0] == '\0')
name = "unknown name";
printk(BIOS_INFO, "%s: '%s %s' %dx%d@%dHz\n", __func__,
edid.manufacturer_name, name, edid.mode.ha, edid.mode.va,
edid.mode.refresh);
edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
mtk_ddp_mode_set(&edid);
info = fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0);
if (info)
fb_set_orientation(info, LB_FB_ORIENTATION_NORMAL);
return true;
}
static void mainboard_init(struct device *dev)
{
if (display_init_required())
configure_display();
else
printk(BIOS_INFO, "%s: Skipped display initialization\n", __func__);
configure_emmc();
configure_sdcard();
setup_usb_host();
/* for audio usage */
if (CONFIG(CHERRY_USE_RT1011))
mtk_i2c_bus_init(I2C2, I2C_SPEED_FAST);
if (dpm_init())
printk(BIOS_ERR, "dpm init failed, DVFS may not work\n");
if (spm_init())
printk(BIOS_ERR, "spm init failed, system suspend may not work\n");
register_reset_to_bl31();
}
static void mainboard_enable(struct device *dev)
{
dev->ops->init = &mainboard_init;
}
struct chip_operations mainboard_ops = {
.name = CONFIG_MAINBOARD_PART_NUMBER,
.enable_dev = mainboard_enable,
};
|
