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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-06-02 08:43:48 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-06-02 08:43:48 +0200
commitcc49da249cf2f380d2fed5571fad65ce6494fc95 (patch)
tree00bf437b6a370c0640d5fafd93780406d3531ebb /arch/arm/cpu/armv7/exynos/pinmux.c
parent9637a1bb896efe392a58dd2772e2c3fcb646409d (diff)
parent567802bbd6bf1c809d37fef9244fc8a692244e73 (diff)
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Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm/cpu/armv7/exynos/pinmux.c')
-rw-r--r--arch/arm/cpu/armv7/exynos/pinmux.c35
1 files changed, 29 insertions, 6 deletions
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: