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/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/mmio.h>
#include <gpio.h>
#include <soc/addressmap.h>
#include <soc/regulator.h>
#include <soc/msdc.h>
#define MSDC0_BASE 0x11f60000
#define MSDC0_TOP_BASE 0x11f50000
#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
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(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);
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_RM_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 */
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, true);
mainboard_enable_regulator(MTK_REGULATOR_VCCQ, true);
}
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