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Diffstat (limited to 'src/mainboard/google/asurada/mainboard.c')
-rw-r--r--src/mainboard/google/asurada/mainboard.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/mainboard/google/asurada/mainboard.c b/src/mainboard/google/asurada/mainboard.c
index 9146d7bc1d..7a37df5764 100644
--- a/src/mainboard/google/asurada/mainboard.c
+++ b/src/mainboard/google/asurada/mainboard.c
@@ -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();
}