GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mb/google/asurada: Configure pins mode for SD 

Configure the pins for SD to msdc1 mode and change the driving
value to 8mA. Enable VCC and VCCQ power supply for SD.

Signed-off-by: Wenbin Mei <wenbin.mei@mediatek.com>
Change-Id: I11151c659b251db987f797a6ae4a08a07971144b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47008
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Wenbin Mei 2020-10-30 09:57:54 +08:00 committed by Hung-Te Lin
parent dfd5ccee75
commit cdba52aaa9
1 changed files with 23 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/mainboard/google/asurada/mainboard.c
View File

@ -5,6 +5,7 @@
#include <device/device.h>
#include <device/mmio.h>
#include <soc/gpio.h>
#include <soc/regulator.h>
#include <soc/usb.h>
#include "gpio.h"
@ -14,7 +15,15 @@
#define MSDC0_DRV_MASK 0x3fffffff
#define MSDC1_DRV_MASK 0x3ffff000
#define MSDC0_DRV_VALUE 0x24924924
#define MSDC1_DRV_VALUE 0x24924000
#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)
{
@ -57,6 +66,9 @@ static void configure_emmc(void)
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[] = {
@ -75,8 +87,17 @@ static void configure_sdcard(void)
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 */
/* 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)