summaryrefslogtreecommitdiffstats
path: root/board/renesas/alt/alt.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/renesas/alt/alt.c')
-rw-r--r--board/renesas/alt/alt.c69
1 files changed, 68 insertions, 1 deletions
diff --git a/board/renesas/alt/alt.c b/board/renesas/alt/alt.c
index 8cc17e9581..f0010db814 100644
--- a/board/renesas/alt/alt.c
+++ b/board/renesas/alt/alt.c
@@ -8,6 +8,8 @@
#include <common.h>
#include <malloc.h>
+#include <dm.h>
+#include <dm/platform_data/serial_sh.h>
#include <asm/processor.h>
#include <asm/mach-types.h>
#include <asm/io.h>
@@ -17,6 +19,7 @@
#include <asm/arch/rmobile.h>
#include <asm/arch/rcar-mstp.h>
#include <asm/arch/mmc.h>
+#include <asm/arch/sh_sdhi.h>
#include <netdev.h>
#include <miiphy.h>
#include <i2c.h>
@@ -44,6 +47,11 @@ void s_init(void)
#define ETHER_MSTP813 (1 << 13)
#define IIC1_MSTP323 (1 << 23)
#define MMC0_MSTP315 (1 << 15)
+#define SDHI0_MSTP314 (1 << 14)
+#define SDHI1_MSTP312 (1 << 12)
+
+#define SD1CKCR 0xE6150078
+#define SD1_97500KHZ 0x7
int board_early_init_f(void)
{
@@ -63,6 +71,17 @@ int board_early_init_f(void)
/* MMC */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
#endif
+
+#ifdef CONFIG_SH_SDHI
+ /* SDHI0, 1 */
+ mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314 | SDHI1_MSTP312);
+
+ /*
+ * SD0 clock is set to 97.5MHz by default.
+ * Set SD1 to the 97.5MHz as well.
+ */
+ writel(SD1_97500KHZ, SD1CKCR);
+#endif
return 0;
}
@@ -128,7 +147,7 @@ int board_eth_init(bd_t *bis)
int board_mmc_init(bd_t *bis)
{
- int ret = 0;
+ int ret = -ENODEV;
#ifdef CONFIG_SH_MMCIF
gpio_request(GPIO_GP_4_31, NULL);
@@ -136,6 +155,42 @@ int board_mmc_init(bd_t *bis)
ret = mmcif_mmc_init();
#endif
+
+#ifdef CONFIG_SH_SDHI
+ gpio_request(GPIO_FN_SD0_DATA0, NULL);
+ gpio_request(GPIO_FN_SD0_DATA1, NULL);
+ gpio_request(GPIO_FN_SD0_DATA2, NULL);
+ gpio_request(GPIO_FN_SD0_DATA3, NULL);
+ gpio_request(GPIO_FN_SD0_CLK, NULL);
+ gpio_request(GPIO_FN_SD0_CMD, NULL);
+ gpio_request(GPIO_FN_SD0_CD, NULL);
+ gpio_request(GPIO_FN_SD1_DATA0, NULL);
+ gpio_request(GPIO_FN_SD1_DATA1, NULL);
+ gpio_request(GPIO_FN_SD1_DATA2, NULL);
+ gpio_request(GPIO_FN_SD1_DATA3, NULL);
+ gpio_request(GPIO_FN_SD1_CLK, NULL);
+ gpio_request(GPIO_FN_SD1_CMD, NULL);
+ gpio_request(GPIO_FN_SD1_CD, NULL);
+
+ /* SDHI 0 */
+ gpio_request(GPIO_GP_2_26, NULL);
+ gpio_request(GPIO_GP_2_29, NULL);
+ gpio_direction_output(GPIO_GP_2_26, 1);
+ gpio_direction_output(GPIO_GP_2_29, 1);
+
+ ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0,
+ SH_SDHI_QUIRK_16BIT_BUF);
+ if (ret)
+ return ret;
+
+ /* SDHI 1 */
+ gpio_request(GPIO_GP_4_26, NULL);
+ gpio_request(GPIO_GP_4_29, NULL);
+ gpio_direction_output(GPIO_GP_4_26, 1);
+ gpio_direction_output(GPIO_GP_4_29, 1);
+
+ ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
+#endif
return ret;
}
@@ -159,3 +214,15 @@ void reset_cpu(ulong addr)
val |= 0x02;
i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
}
+
+static const struct sh_serial_platdata serial_platdata = {
+ .base = SCIF2_BASE,
+ .type = PORT_SCIF,
+ .clk = 14745600,
+ .clk_mode = EXT_CLK,
+};
+
+U_BOOT_DEVICE(alt_serials) = {
+ .name = "serial_sh",
+ .platdata = &serial_platdata,
+};
OpenPOWER on IntegriCloud