| /* 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, |
| }; |