X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fexynos%2Fpinmux.c;h=2042062344edfc8d599f94fddf58f9006d9d81b0;hb=8d94e6848fcbddb8b2ef17bc3bd8776a03b8cd5d;hp=20a4b8414a9f5aff3d6a93844f1f8e2f6045706e;hpb=7528cf5f016b5b8b8b12b373f6f31a10bf89233d;p=u-boot

diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 20a4b8414a..2042062344 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -22,6 +22,7 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/sromc.h>
@@ -370,9 +371,86 @@ static void exynos4_i2c_config(int peripheral, int flags)
 	}
 }
 
+static int exynos4_mmc_config(int peripheral, int flags)
+{
+	struct exynos4_gpio_part2 *gpio2 =
+		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
+	struct s5p_gpio_bank *bank, *bank_ext;
+	int i;
+
+	switch (peripheral) {
+	case PERIPH_ID_SDMMC0:
+		bank = &gpio2->k0;
+		bank_ext = &gpio2->k1;
+		break;
+	case PERIPH_ID_SDMMC2:
+		bank = &gpio2->k2;
+		bank_ext = &gpio2->k3;
+		break;
+	default:
+		return -1;
+	}
+	for (i = 0; i < 7; i++) {
+		if (i == 2)
+			continue;
+		s5p_gpio_cfg_pin(bank, i,  GPIO_FUNC(0x2));
+		s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
+		s5p_gpio_set_drv(bank, i, GPIO_DRV_4X);
+	}
+	if (flags & PINMUX_FLAG_8BIT_MODE) {
+		for (i = 3; i < 7; i++) {
+			s5p_gpio_cfg_pin(bank_ext, i,  GPIO_FUNC(0x3));
+			s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_NONE);
+			s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
+		}
+	}
+
+	return 0;
+}
+
+static void exynos4_uart_config(int peripheral)
+{
+	struct exynos4_gpio_part1 *gpio1 =
+		(struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1();
+	struct s5p_gpio_bank *bank;
+	int i, start, count;
+
+	switch (peripheral) {
+	case PERIPH_ID_UART0:
+		bank = &gpio1->a0;
+		start = 0;
+		count = 4;
+		break;
+	case PERIPH_ID_UART1:
+		bank = &gpio1->a0;
+		start = 4;
+		count = 4;
+		break;
+	case PERIPH_ID_UART2:
+		bank = &gpio1->a1;
+		start = 0;
+		count = 4;
+		break;
+	case PERIPH_ID_UART3:
+		bank = &gpio1->a1;
+		start = 4;
+		count = 2;
+		break;
+	}
+	for (i = start; i < start + count; i++) {
+		s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
+		s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2));
+	}
+}
 static int exynos4_pinmux_config(int peripheral, int flags)
 {
 	switch (peripheral) {
+	case PERIPH_ID_UART0:
+	case PERIPH_ID_UART1:
+	case PERIPH_ID_UART2:
+	case PERIPH_ID_UART3:
+		exynos4_uart_config(peripheral);
+		break;
 	case PERIPH_ID_I2C0:
 	case PERIPH_ID_I2C1:
 	case PERIPH_ID_I2C2:
@@ -383,6 +461,14 @@ static int exynos4_pinmux_config(int peripheral, int flags)
 	case PERIPH_ID_I2C7:
 		exynos4_i2c_config(peripheral, flags);
 		break;
+	case PERIPH_ID_SDMMC0:
+	case PERIPH_ID_SDMMC2:
+		return exynos4_mmc_config(peripheral, flags);
+	case PERIPH_ID_SDMMC1:
+	case PERIPH_ID_SDMMC3:
+	case PERIPH_ID_SDMMC4:
+		printf("SDMMC device %d not implemented\n", peripheral);
+		return -1;
 	default:
 		debug("%s: invalid peripheral %d", __func__, peripheral);
 		return -1;
@@ -402,3 +488,31 @@ int exynos_pinmux_config(int peripheral, int flags)
 		return -1;
 	}
 }
+
+#ifdef CONFIG_OF_CONTROL
+static int exynos5_pinmux_decode_periph_id(const void *blob, int node)
+{
+	int err;
+	u32 cell[3];
+
+	err = fdtdec_get_int_array(blob, node, "interrupts", cell,
+					ARRAY_SIZE(cell));
+	if (err)
+		return PERIPH_ID_NONE;
+
+	/* check for invalid peripheral id */
+	if ((PERIPH_ID_SDMMC4 > cell[1]) || (cell[1] < PERIPH_ID_UART0))
+		return cell[1];
+
+	debug(" invalid peripheral id\n");
+	return PERIPH_ID_NONE;
+}
+
+int pinmux_decode_periph_id(const void *blob, int node)
+{
+	if (cpu_is_exynos5())
+		return  exynos5_pinmux_decode_periph_id(blob, node);
+	else
+		return PERIPH_ID_NONE;
+}
+#endif