Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'

10 files changed, 143 insertions, 46 deletions

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 1fea4d6663..400d134d54 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -869,7 +869,7 @@ static void exynos4_set_mmc_clk(int dev_index, unsigned int div)
 {
 	struct exynos4_clock *clk =
 		(struct exynos4_clock *)samsung_get_base_clock();
-	unsigned int addr;
+	unsigned int addr, clear_bit, set_bit;
 
 	/*
 	 * CLK_DIV_FSYS1
@@ -877,44 +877,26 @@ static void exynos4_set_mmc_clk(int dev_index, unsigned int div)
 	 * CLK_DIV_FSYS2
 	 * MMC2_PRE_RATIO [15:8], MMC3_PRE_RATIO [31:24]
 	 * CLK_DIV_FSYS3
-	 * MMC4_PRE_RATIO [15:8]
+	 * MMC4_RATIO [3:0]
 	 */
 	if (dev_index < 2) {
 		addr = (unsigned int)&clk->div_fsys1;
-	}  else if (dev_index == 4) {
+		clear_bit = MASK_PRE_RATIO(dev_index);
+		set_bit = SET_PRE_RATIO(dev_index, div);
+	} else if (dev_index == 4) {
 		addr = (unsigned int)&clk->div_fsys3;
 		dev_index -= 4;
+		/* MMC4 is controlled with the MMC4_RATIO value */
+		clear_bit = MASK_RATIO(dev_index);
+		set_bit = SET_RATIO(dev_index, div);
 	} else {
 		addr = (unsigned int)&clk->div_fsys2;
 		dev_index -= 2;
+		clear_bit = MASK_PRE_RATIO(dev_index);
+		set_bit = SET_PRE_RATIO(dev_index, div);
 	}
 
-	clrsetbits_le32(addr, 0xff << ((dev_index << 4) + 8),
-			(div & 0xff) << ((dev_index << 4) + 8));
-}
-
-/* exynos4x12: set the mmc clock */
-static void exynos4x12_set_mmc_clk(int dev_index, unsigned int div)
-{
-	struct exynos4x12_clock *clk =
-		(struct exynos4x12_clock *)samsung_get_base_clock();
-	unsigned int addr;
-
-	/*
-	 * CLK_DIV_FSYS1
-	 * MMC0_PRE_RATIO [15:8], MMC1_PRE_RATIO [31:24]
-	 * CLK_DIV_FSYS2
-	 * MMC2_PRE_RATIO [15:8], MMC3_PRE_RATIO [31:24]
-	 */
-	if (dev_index < 2) {
-		addr = (unsigned int)&clk->div_fsys1;
-	} else {
-		addr = (unsigned int)&clk->div_fsys2;
-		dev_index -= 2;
-	}
-
-	clrsetbits_le32(addr, 0xff << ((dev_index << 4) + 8),
-			(div & 0xff) << ((dev_index << 4) + 8));
+	clrsetbits_le32(addr, clear_bit, set_bit);
 }
 
 /* exynos5: set the mmc clock */
@@ -1612,10 +1594,7 @@ void set_mmc_clk(int dev_index, unsigned int div)
 		else
 			exynos5_set_mmc_clk(dev_index, div);
 	} else {
-		if (proid_is_exynos4412())
-			exynos4x12_set_mmc_clk(dev_index, div);
-		else
-			exynos4_set_mmc_clk(dev_index, div);
+		exynos4_set_mmc_clk(dev_index, div);
 	}
 }
 
diff --git a/arch/arm/cpu/armv7/exynos/lowlevel_init.c b/arch/arm/cpu/armv7/exynos/lowlevel_init.c
index 11fe5b8d04..dcc270ffe4 100644
--- a/arch/arm/cpu/armv7/exynos/lowlevel_init.c
+++ b/arch/arm/cpu/armv7/exynos/lowlevel_init.c
@@ -39,6 +39,7 @@ enum {
 	DO_CLOCKS	= 1 << 1,
 	DO_MEM_RESET	= 1 << 2,
 	DO_UART		= 1 << 3,
+	DO_POWER	= 1 << 4,
 };
 
 int do_lowlevel_init(void)
@@ -48,6 +49,8 @@ int do_lowlevel_init(void)
 
 	arch_cpu_init();
 
+	set_ps_hold_ctrl();
+
 	reset_status = get_reset_status();
 
 	switch (reset_status) {
@@ -60,9 +63,12 @@ int do_lowlevel_init(void)
 		break;
 	default:
 		/* This is a normal boot (not a wake from sleep) */
-		actions = DO_CLOCKS | DO_MEM_RESET;
+		actions = DO_CLOCKS | DO_MEM_RESET | DO_POWER;
 	}
 
+	if (actions & DO_POWER)
+		set_ps_hold_ctrl();
+
 	if (actions & DO_CLOCKS) {
 		system_clock_init();
 		mem_ctrl_init(actions & DO_MEM_RESET);
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index ee7c2e5a4b..86a0c75326 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -573,15 +573,26 @@ static void exynos4_i2c_config(int peripheral, int flags)
 static int exynos4_mmc_config(int peripheral, int flags)
 {
 	int i, start = 0, start_ext = 0;
+	unsigned int func, ext_func;
 
 	switch (peripheral) {
 	case PERIPH_ID_SDMMC0:
 		start = EXYNOS4_GPIO_K00;
 		start_ext = EXYNOS4_GPIO_K13;
+		func = S5P_GPIO_FUNC(0x2);
+		ext_func = S5P_GPIO_FUNC(0x3);
 		break;
 	case PERIPH_ID_SDMMC2:
 		start = EXYNOS4_GPIO_K20;
 		start_ext = EXYNOS4_GPIO_K33;
+		func = S5P_GPIO_FUNC(0x2);
+		ext_func = S5P_GPIO_FUNC(0x3);
+		break;
+	case PERIPH_ID_SDMMC4:
+		start = EXYNOS4_GPIO_K00;
+		start_ext = EXYNOS4_GPIO_K13;
+		func = S5P_GPIO_FUNC(0x3);
+		ext_func = S5P_GPIO_FUNC(0x4);
 		break;
 	default:
 		return -1;
@@ -589,13 +600,14 @@ static int exynos4_mmc_config(int peripheral, int flags)
 	for (i = start; i < (start + 7); i++) {
 		if (i == (start + 2))
 			continue;
-		gpio_cfg_pin(i,  S5P_GPIO_FUNC(0x2));
+		gpio_cfg_pin(i,  func);
 		gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 		gpio_set_drv(i, S5P_GPIO_DRV_4X);
 	}
+	/* SDMMC2 do not use 8bit mode at exynos4 */
 	if (flags & PINMUX_FLAG_8BIT_MODE) {
 		for (i = start_ext; i < (start_ext + 4); i++) {
-			gpio_cfg_pin(i,  S5P_GPIO_FUNC(0x3));
+			gpio_cfg_pin(i,  ext_func);
 			gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 			gpio_set_drv(i, S5P_GPIO_DRV_4X);
 		}
@@ -676,15 +688,26 @@ static void exynos4x12_i2c_config(int peripheral, int flags)
 static int exynos4x12_mmc_config(int peripheral, int flags)
 {
 	int i, start = 0, start_ext = 0;
+	unsigned int func, ext_func;
 
 	switch (peripheral) {
 	case PERIPH_ID_SDMMC0:
 		start = EXYNOS4X12_GPIO_K00;
 		start_ext = EXYNOS4X12_GPIO_K13;
+		func = S5P_GPIO_FUNC(0x2);
+		ext_func = S5P_GPIO_FUNC(0x3);
 		break;
 	case PERIPH_ID_SDMMC2:
 		start = EXYNOS4X12_GPIO_K20;
 		start_ext = EXYNOS4X12_GPIO_K33;
+		func = S5P_GPIO_FUNC(0x2);
+		ext_func = S5P_GPIO_FUNC(0x3);
+		break;
+	case PERIPH_ID_SDMMC4:
+		start = EXYNOS4_GPIO_K00;
+		start_ext = EXYNOS4_GPIO_K13;
+		func = S5P_GPIO_FUNC(0x3);
+		ext_func = S5P_GPIO_FUNC(0x4);
 		break;
 	default:
 		return -1;
@@ -692,13 +715,13 @@ static int exynos4x12_mmc_config(int peripheral, int flags)
 	for (i = start; i < (start + 7); i++) {
 		if (i == (start + 2))
 			continue;
-		gpio_cfg_pin(i,  S5P_GPIO_FUNC(0x2));
+		gpio_cfg_pin(i,  func);
 		gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 		gpio_set_drv(i, S5P_GPIO_DRV_4X);
 	}
 	if (flags & PINMUX_FLAG_8BIT_MODE) {
 		for (i = start_ext; i < (start_ext + 4); i++) {
-			gpio_cfg_pin(i,  S5P_GPIO_FUNC(0x3));
+			gpio_cfg_pin(i,  ext_func);
 			gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 			gpio_set_drv(i, S5P_GPIO_DRV_4X);
 		}
@@ -759,10 +782,10 @@ static int exynos4_pinmux_config(int peripheral, int flags)
 		break;
 	case PERIPH_ID_SDMMC0:
 	case PERIPH_ID_SDMMC2:
+	case PERIPH_ID_SDMMC4:
 		return exynos4_mmc_config(peripheral, flags);
 	case PERIPH_ID_SDMMC1:
 	case PERIPH_ID_SDMMC3:
-	case PERIPH_ID_SDMMC4:
 		debug("SDMMC device %d not implemented\n", peripheral);
 		return -1;
 	default:
@@ -794,10 +817,10 @@ static int exynos4x12_pinmux_config(int peripheral, int flags)
 		break;
 	case PERIPH_ID_SDMMC0:
 	case PERIPH_ID_SDMMC2:
+	case PERIPH_ID_SDMMC4:
 		return exynos4x12_mmc_config(peripheral, flags);
 	case PERIPH_ID_SDMMC1:
 	case PERIPH_ID_SDMMC3:
-	case PERIPH_ID_SDMMC4:
 		debug("SDMMC device %d not implemented\n", peripheral);
 		return -1;
 	default:
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
index 563abd750f..638ee0b30b 100644
--- a/arch/arm/cpu/armv7/exynos/power.c
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -112,6 +112,12 @@ static void exynos5_set_ps_hold_ctrl(void)
 			EXYNOS_PS_HOLD_CONTROL_DATA_HIGH);
 }
 
+/*
+ * Set ps_hold data driving value high
+ * This enables the machine to stay powered on
+ * after the initial power-on condition goes away
+ * (e.g. power button).
+ */
 void set_ps_hold_ctrl(void)
 {
 	if (cpu_is_exynos5())
diff --git a/arch/arm/dts/exynos4.dtsi b/arch/arm/dts/exynos4.dtsi
index 71dc7ebf4a..110eb43a2f 100644
--- a/arch/arm/dts/exynos4.dtsi
+++ b/arch/arm/dts/exynos4.dtsi
@@ -128,6 +128,14 @@
 		interrupts = <0 78 0>;
 	};
 
+	dwmmc@12550000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "samsung,exynos-dwmmc";
+		reg = <0x12550000 0x1000>;
+		interrupts = <0 131 0>;
+	};
+
 	gpio: gpio {
 		gpio-controller;
 		#gpio-cells = <2>;
diff --git a/arch/arm/dts/exynos4412-trats2.dts b/arch/arm/dts/exynos4412-trats2.dts
index 1596f8328a..cc58c878b8 100644
--- a/arch/arm/dts/exynos4412-trats2.dts
+++ b/arch/arm/dts/exynos4412-trats2.dts
@@ -31,6 +31,7 @@
 		console = "/serial@13820000";
 		mmc0 = "sdhci@12510000";
 		mmc2 = "sdhci@12530000";
+		mmc4 = "dwmmc@12550000";
 	};
 
 	i2c@138d0000 {
@@ -416,6 +417,7 @@
 		samsung,bus-width = <8>;
 		samsung,timing = <1 3 3>;
 		pwr-gpios = <&gpio 0xB2 0>;
+		status = "disabled";
 	};
 
 	sdhci@12520000 {
@@ -431,4 +433,14 @@
 	sdhci@12540000 {
 		status = "disabled";
 	};
+
+	dwmmc@12550000 {
+		samsung,bus-width = <8>;
+		samsung,timing = <2 1 0>;
+		pwr-gpios = <&gpio 0xB2 0>;
+		fifoth_val = <0x203f0040>;
+		bus_hz = <400000000>;
+		div = <0x3>;
+		index = <4>;
+	};
 };
diff --git a/arch/arm/dts/exynos5.dtsi b/arch/arm/dts/exynos5.dtsi
index f8c87411b6..a2b533a136 100644
--- a/arch/arm/dts/exynos5.dtsi
+++ b/arch/arm/dts/exynos5.dtsi
@@ -136,7 +136,7 @@
 	mmc@12200000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		compatible = "samsung,exynos5250-dwmmc";
+		compatible = "samsung,exynos-dwmmc";
 		reg = <0x12200000 0x1000>;
 		interrupts = <0 75 0>;
 	};
@@ -144,7 +144,7 @@
 	mmc@12210000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		compatible = "samsung,exynos5250-dwmmc";
+		compatible = "samsung,exynos-dwmmc";
 		reg = <0x12210000 0x1000>;
 		interrupts = <0 76 0>;
 	};
@@ -152,7 +152,7 @@
 	mmc@12220000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		compatible = "samsung,exynos5250-dwmmc";
+		compatible = "samsung,exynos-dwmmc";
 		reg = <0x12220000 0x1000>;
 		interrupts = <0 77 0>;
 	};
@@ -160,7 +160,7 @@
 	mmc@12230000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		compatible = "samsung,exynos5250-dwmmc";
+		compatible = "samsung,exynos-dwmmc";
 		reg = <0x12230000 0x1000>;
 		interrupts = <0 78 0>;
 	};
diff --git a/arch/arm/dts/exynos5250-snow.dts b/arch/arm/dts/exynos5250-snow.dts
index 9b48a0ccd8..ab4f2f8581 100644
--- a/arch/arm/dts/exynos5250-snow.dts
+++ b/arch/arm/dts/exynos5250-snow.dts
@@ -44,7 +44,7 @@
 			reg = <0x1e>;
 			compatible = "google,cros-ec";
 			i2c-max-frequency = <100000>;
-			ec-interrupt = <&gpio 782 1>;
+			ec-interrupt = <&gpio 182 1>;
 		};
 
 		power-regulator@48 {
@@ -60,7 +60,7 @@
 			reg = <0>;
 			compatible = "google,cros-ec";
 			spi-max-frequency = <5000000>;
-			ec-interrupt = <&gpio 782 1>;
+			ec-interrupt = <&gpio 182 1>;
 			optimise-flash-write;
 			status = "disabled";
 		};
@@ -80,6 +80,19 @@
 			reg = <0x22>;
 			compatible = "maxim,max98095-codec";
 		};
+
+		ptn3460-bridge@20 {
+			compatible = "nxp,ptn3460";
+			reg = <0x20>;
+			/*
+			 * TODO(sjg@chromium.org): Use GPIOs here
+			 * powerdown-gpio = <&gpy2 5 0>;
+			 * reset-gpio = <&gpx1 5 0>;
+			 * edid-emulation = <5>;
+			 * pinctrl-names = "default";
+			 * pinctrl-0 = <&ptn3460_gpios>;
+			 */
+		};
 	};
 
 	i2c@12c60000 {
@@ -184,4 +197,48 @@
 			/* UP      LEFT    */
 			0x070b0067 0x070c0069>;
 	};
+
+	fimd@14400000 {
+		samsung,vl-freq = <60>;
+		samsung,vl-col = <1366>;
+		samsung,vl-row = <768>;
+		samsung,vl-width = <1366>;
+		samsung,vl-height = <768>;
+
+		samsung,vl-clkp;
+		samsung,vl-dp;
+		samsung,vl-hsp;
+		samsung,vl-vsp;
+
+		samsung,vl-bpix = <4>;
+
+		samsung,vl-hspw = <32>;
+		samsung,vl-hbpd = <80>;
+		samsung,vl-hfpd = <48>;
+		samsung,vl-vspw = <5>;
+		samsung,vl-vbpd = <14>;
+		samsung,vl-vfpd = <3>;
+		samsung,vl-cmd-allow-len = <0xf>;
+
+		samsung,winid = <0>;
+		samsung,interface-mode = <1>;
+		samsung,dp-enabled = <1>;
+		samsung,dual-lcd-enabled = <0>;
+	};
+
+	dp@145b0000 {
+		samsung,lt-status = <0>;
+
+		samsung,master-mode = <0>;
+		samsung,bist-mode = <0>;
+		samsung,bist-pattern = <0>;
+		samsung,h-sync-polarity = <0>;
+		samsung,v-sync-polarity = <0>;
+		samsung,interlaced = <0>;
+		samsung,color-space = <0>;
+		samsung,dynamic-range = <0>;
+		samsung,ycbcr-coeff = <0>;
+		samsung,color-depth = <1>;
+	};
+
 };
diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h
index cdeef324cc..ffbc07e228 100644
--- a/arch/arm/include/asm/arch-exynos/clk.h
+++ b/arch/arm/include/asm/arch-exynos/clk.h
@@ -16,6 +16,11 @@
 #define BPLL	5
 #define RPLL	6
 
+#define MASK_PRE_RATIO(x)	(0xff << ((x << 4) + 8))
+#define MASK_RATIO(x)		(0xf << (x << 4))
+#define SET_PRE_RATIO(x, y)	((y & 0xff) << ((x << 4) + 8))
+#define SET_RATIO(x, y)		((y & 0xf) << (x << 4))
+
 enum pll_src_bit {
 	EXYNOS_SRC_MPLL = 6,
 	EXYNOS_SRC_EPLL,
diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h
index c9609a23f5..a4b41adca9 100644
--- a/arch/arm/include/asm/arch-exynos/power.h
+++ b/arch/arm/include/asm/arch-exynos/power.h
@@ -1726,4 +1726,5 @@ uint32_t get_reset_status(void);
 
 /* Read the resume function and call it */
 void power_exit_wakeup(void);
+
 #endif