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-rw-r--r--arch/arm/cpu/armv7/exynos/clock.c45
-rw-r--r--arch/arm/cpu/armv7/exynos/lowlevel_init.c8
-rw-r--r--arch/arm/cpu/armv7/exynos/pinmux.c35
-rw-r--r--arch/arm/cpu/armv7/exynos/power.c6
-rw-r--r--arch/arm/dts/exynos4.dtsi8
-rw-r--r--arch/arm/dts/exynos4412-trats2.dts12
-rw-r--r--arch/arm/dts/exynos5.dtsi8
-rw-r--r--arch/arm/dts/exynos5250-snow.dts61
-rw-r--r--arch/arm/include/asm/arch-exynos/clk.h5
-rw-r--r--arch/arm/include/asm/arch-exynos/power.h1
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 1fea4d6..400d134 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 11fe5b8..dcc270f 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 ee7c2e5..86a0c75 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 563abd7..638ee0b 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 71dc7eb..110eb43 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 1596f83..cc58c87 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 f8c8741..a2b533a 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 9b48a0c..ab4f2f8 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 cdeef32..ffbc07e 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 c9609a2..a4b41ad 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
generated by cgit v1.1 at 2024-12-21 02:23:48 +0000