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/* SPDX-License-Identifier: GPL-2.0-only */
#include <bl31.h>
#include <console/console.h>
#include <device/device.h>
#include <device/mmio.h>
#include <soc/gpio.h>
#include <soc/regulator.h>
#include <soc/usb.h>
#include "gpio.h"
#include <arm-trusted-firmware/include/export/plat/mediatek/common/plat_params_exp.h>
#define MSDC0_DRV_MASK 0x3fffffff
#define MSDC1_DRV_MASK 0x3ffff000
#define MSDC0_DRV_VALUE 0x24924924
#define MSDC1_DRV_VALUE 0x1b6db000
#define MSDC1_GPIO_MODE0_BASE 0x10005360
#define MSDC1_GPIO_MODE0_MASK 0x77777000
#define MSDC1_GPIO_MODE0_VALUE 0x11111000
#define MSDC1_GPIO_MODE1_BASE 0x10005370
#define MSDC1_GPIO_MODE1_MASK 0x7
#define MSDC1_GPIO_MODE1_VALUE 0x1
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(MSDC0_DAT0), GPIO(MSDC0_DAT1),
GPIO(MSDC0_DAT2), GPIO(MSDC0_DAT3),
GPIO(MSDC0_DAT4), GPIO(MSDC0_DAT5),
GPIO(MSDC0_DAT6), GPIO(MSDC0_DAT7),
GPIO(MSDC0_CMD), GPIO(MSDC0_RSTB),
};
const gpio_t emmc_pd_pin[] = {
GPIO(MSDC0_DSL), GPIO(MSDC0_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 10mA */
clrsetbits32(gpio_base, MSDC0_DRV_MASK, MSDC0_DRV_VALUE);
}
static void configure_sdcard(void)
{
void *gpio_base = (void *)IOCFG_RM_BASE;
void *gpio_mode0_base = (void *)MSDC1_GPIO_MODE0_BASE;
void *gpio_mode1_base = (void *)MSDC1_GPIO_MODE1_BASE;
uint8_t enable = 1;
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 */
clrsetbits32(gpio_base, MSDC1_DRV_MASK, MSDC1_DRV_VALUE);
/* set sdcard dat2/dat0/dat3/cmd/clk pins to msdc1 mode */
clrsetbits32(gpio_mode0_base, MSDC1_GPIO_MODE0_MASK, MSDC1_GPIO_MODE0_VALUE);
/* set sdcard dat1 pin to msdc1 mode */
clrsetbits32(gpio_mode1_base, MSDC1_GPIO_MODE1_MASK, MSDC1_GPIO_MODE1_VALUE);
mainboard_enable_regulator(MTK_REGULATOR_VCC, enable);
mainboard_enable_regulator(MTK_REGULATOR_VCCQ, enable);
}
static void mainboard_init(struct device *dev)
{
configure_emmc();
configure_sdcard();
setup_usb_host();
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,
};
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