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Diffstat (limited to 'board/renesas/koelsch/koelsch.c')
-rw-r--r--board/renesas/koelsch/koelsch.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/board/renesas/koelsch/koelsch.c b/board/renesas/koelsch/koelsch.c
index 10fa571..51e70e2 100644
--- a/board/renesas/koelsch/koelsch.c
+++ b/board/renesas/koelsch/koelsch.c
@@ -9,6 +9,8 @@
#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/gpio.h>
#include <asm/arch/rmobile.h>
#include <asm/arch/rcar-mstp.h>
+#include <asm/arch/sh_sdhi.h>
#include <netdev.h>
#include <miiphy.h>
#include <i2c.h>
@@ -48,6 +51,14 @@ void s_init(void)
#define SCIF0_MSTP721 (1 << 21)
#define ETHER_MSTP813 (1 << 13)
+#define SDHI0_MSTP314 (1 << 14)
+#define SDHI1_MSTP312 (1 << 12)
+#define SDHI2_MSTP311 (1 << 11)
+
+#define SD1CKCR 0xE6150078
+#define SD2CKCR 0xE615026C
+#define SD_97500KHZ 0x7
+
int board_early_init_f(void)
{
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
@@ -58,6 +69,17 @@ int board_early_init_f(void)
/* ETHER */
mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
+ /* SDHI */
+ mstp_clrbits_le32(MSTPSR3, SMSTPCR3,
+ SDHI0_MSTP314 | SDHI1_MSTP312 | SDHI2_MSTP311);
+
+ /*
+ * SD0 clock is set to 97.5MHz by default.
+ * Set SD1 and SD2 to the 97.5MHz as well.
+ */
+ writel(SD_97500KHZ, SD1CKCR);
+ writel(SD_97500KHZ, SD2CKCR);
+
return 0;
}
@@ -126,6 +148,58 @@ int board_eth_init(bd_t *bis)
#endif
}
+int board_mmc_init(bd_t *bis)
+{
+ int ret = -ENODEV;
+
+#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_SD2_DATA0, NULL);
+ gpio_request(GPIO_FN_SD2_DATA1, NULL);
+ gpio_request(GPIO_FN_SD2_DATA2, NULL);
+ gpio_request(GPIO_FN_SD2_DATA3, NULL);
+ gpio_request(GPIO_FN_SD2_CLK, NULL);
+ gpio_request(GPIO_FN_SD2_CMD, NULL);
+ gpio_request(GPIO_FN_SD2_CD, NULL);
+
+ /* SDHI 0 */
+ gpio_request(GPIO_GP_7_17, NULL);
+ gpio_request(GPIO_GP_2_12, NULL);
+ gpio_direction_output(GPIO_GP_7_17, 1); /* power on */
+ gpio_direction_output(GPIO_GP_2_12, 1); /* 1: 3.3V, 0: 1.8V */
+
+ 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_7_18, NULL);
+ gpio_request(GPIO_GP_2_13, NULL);
+ gpio_direction_output(GPIO_GP_7_18, 1); /* power on */
+ gpio_direction_output(GPIO_GP_2_13, 1); /* 1: 3.3V, 0: 1.8V */
+
+ ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
+ if (ret)
+ return ret;
+
+ /* SDHI 2 */
+ gpio_request(GPIO_GP_7_19, NULL);
+ gpio_request(GPIO_GP_2_26, NULL);
+ gpio_direction_output(GPIO_GP_7_19, 1); /* power on */
+ gpio_direction_output(GPIO_GP_2_26, 1); /* 1: 3.3V, 0: 1.8V */
+
+ ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 2, 0);
+#endif
+ return ret;
+}
+
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
@@ -160,3 +234,15 @@ 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 = SCIF0_BASE,
+ .type = PORT_SCIF,
+ .clk = 14745600,
+ .clk_mode = EXT_CLK,
+};
+
+U_BOOT_DEVICE(koelsch_serials) = {
+ .name = "serial_sh",
+ .platdata = &serial_platdata,
+};