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mb/google/asurada: Configure pinctrl for SD and MMC 

The pins for SD and MMC must be configured properly
so we can access them in payloads.

Signed-off-by: Wenbin Mei <wenbin.mei@mediatek.com>
Change-Id: Ie6bdffb987d5acf286645550f1c53f294f71c38a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46685
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Wenbin Mei 2020-05-19 09:49:54 +08:00 committed by Hung-Te Lin
parent 441c63d5f0
commit fc38e88341
1 changed files with 61 additions and 0 deletions
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61
src/mainboard/google/asurada/mainboard.c
View File

@ -2,10 +2,71 @@
#include <console/console.h>
#include <device/device.h>
#include <device/mmio.h>
#include <soc/gpio.h>
#include <soc/usb.h>
#define MSDC0_DRV_MASK 0x3fffffff
#define MSDC1_DRV_MASK 0x3ffff000
#define MSDC0_DRV_VALUE 0x24924924
#define MSDC1_DRV_VALUE 0x24924000
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;
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 10mA */
clrsetbits32(gpio_base, MSDC1_DRV_MASK, MSDC1_DRV_VALUE);
}
static void mainboard_init(struct device *dev)
{
configure_emmc();
configure_sdcard();
setup_usb_host();
}