[U-Boot] [PATCH 4/4] EXYNOS: Update pinmux to use gpio numbering
Rajeshwari Shinde
rajeshwari.s at samsung.com
Mon Aug 6 15:05:07 CEST 2012
Update pinmux by calling generic gpio_* functions instead s5p_gpio_*
functions
Signed-off-by: Leela Krishna Amudala <l.krishna at samsung.com>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s at samsung.com>
---
arch/arm/cpu/armv7/exynos/pinmux.c | 150 +++++++++++++++---------------------
1 files changed, 63 insertions(+), 87 deletions(-)
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 13f75e0..ed2201e 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -28,97 +28,83 @@
static void exynos5_uart_config(int peripheral)
{
- struct exynos5_gpio_part1 *gpio1 =
- (struct exynos5_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;
+ start = GPIO_A00;
count = 4;
break;
case PERIPH_ID_UART1:
- bank = &gpio1->d0;
- start = 0;
+ start = GPIO_D00;
count = 4;
break;
case PERIPH_ID_UART2:
- bank = &gpio1->a1;
- start = 0;
+ start = GPIO_A10;
count = 4;
break;
case PERIPH_ID_UART3:
- bank = &gpio1->a1;
- start = 4;
+ start = GPIO_A14;
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));
+ gpio_set_pull(i, GPIO_PULL_NONE);
+ gpio_cfg_pin(i, GPIO_FUNC(0x2));
}
}
static int exynos5_mmc_config(int peripheral, int flags)
{
- struct exynos5_gpio_part1 *gpio1 =
- (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
- struct s5p_gpio_bank *bank, *bank_ext;
- int i, start = 0, gpio_func = 0;
+ int i, start, start_ext, gpio_func = 0;
switch (peripheral) {
case PERIPH_ID_SDMMC0:
- bank = &gpio1->c0;
- bank_ext = &gpio1->c1;
- start = 0;
+ start = GPIO_C00;
+ start_ext = GPIO_C10;
gpio_func = GPIO_FUNC(0x2);
break;
case PERIPH_ID_SDMMC1:
- bank = &gpio1->c2;
- bank_ext = NULL;
+ start = GPIO_C20;
+ start_ext = 0;
break;
case PERIPH_ID_SDMMC2:
- bank = &gpio1->c3;
- bank_ext = &gpio1->c4;
- start = 3;
+ start = GPIO_C30;
+ start_ext = GPIO_C43;
gpio_func = GPIO_FUNC(0x3);
break;
case PERIPH_ID_SDMMC3:
- bank = &gpio1->c4;
- bank_ext = NULL;
+ start = GPIO_C40;
+ start_ext = 0;
break;
}
- if ((flags & PINMUX_FLAG_8BIT_MODE) && !bank_ext) {
+ if ((flags & PINMUX_FLAG_8BIT_MODE) && !start_ext) {
debug("SDMMC device %d does not support 8bit mode",
peripheral);
return -1;
}
if (flags & PINMUX_FLAG_8BIT_MODE) {
- for (i = start; i <= (start + 3); i++) {
- s5p_gpio_cfg_pin(bank_ext, i, gpio_func);
- s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_UP);
- s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
+ for (i = start_ext; i <= (start_ext + 3); i++) {
+ gpio_cfg_pin(i, gpio_func);
+ gpio_set_pull(i, GPIO_PULL_UP);
+ gpio_set_drv(i, GPIO_DRV_4X);
}
}
for (i = 0; i < 2; i++) {
- 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);
+ gpio_cfg_pin(start + i, GPIO_FUNC(0x2));
+ gpio_set_pull(start + i, GPIO_PULL_NONE);
+ gpio_set_drv(start + i, GPIO_DRV_4X);
}
for (i = 3; i <= 6; i++) {
- s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2));
- s5p_gpio_set_pull(bank, i, GPIO_PULL_UP);
- s5p_gpio_set_drv(bank, i, GPIO_DRV_4X);
+ gpio_cfg_pin(start + i, GPIO_FUNC(0x2));
+ gpio_set_pull(start + i, GPIO_PULL_UP);
+ gpio_set_drv(start + i, GPIO_DRV_4X);
}
return 0;
}
static void exynos5_sromc_config(int flags)
{
- struct exynos5_gpio_part1 *gpio1 =
- (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
int i;
/*
@@ -136,13 +122,13 @@ static void exynos5_sromc_config(int flags)
* GPY1[2] SROM_WAIT(2)
* GPY1[3] EBI_DATA_RDn(2)
*/
- s5p_gpio_cfg_pin(&gpio1->y0, (flags & PINMUX_FLAG_BANK),
+ gpio_cfg_pin( GPIO_Y00 + (flags & PINMUX_FLAG_BANK),
GPIO_FUNC(2));
- s5p_gpio_cfg_pin(&gpio1->y0, 4, GPIO_FUNC(2));
- s5p_gpio_cfg_pin(&gpio1->y0, 5, GPIO_FUNC(2));
+ gpio_cfg_pin(GPIO_Y04, GPIO_FUNC(2));
+ gpio_cfg_pin(GPIO_Y05, GPIO_FUNC(2));
for (i = 0; i < 4; i++)
- s5p_gpio_cfg_pin(&gpio1->y1, i, GPIO_FUNC(2));
+ gpio_cfg_pin(GPIO_Y10 + i, GPIO_FUNC(2));
/*
* EBI: 8 Addrss Lines
@@ -177,55 +163,54 @@ static void exynos5_sromc_config(int flags)
* GPY6[7] EBI_DATA[15](2)
*/
for (i = 0; i < 8; i++) {
- s5p_gpio_cfg_pin(&gpio1->y3, i, GPIO_FUNC(2));
- s5p_gpio_set_pull(&gpio1->y3, i, GPIO_PULL_UP);
+ gpio_cfg_pin(GPIO_Y30 + i, GPIO_FUNC(2));
+ gpio_set_pull(GPIO_Y30 + i, GPIO_PULL_UP);
- s5p_gpio_cfg_pin(&gpio1->y5, i, GPIO_FUNC(2));
- s5p_gpio_set_pull(&gpio1->y5, i, GPIO_PULL_UP);
+ gpio_cfg_pin(GPIO_Y50 + i, GPIO_FUNC(2));
+ gpio_set_pull(GPIO_Y50 + i, GPIO_PULL_UP);
- s5p_gpio_cfg_pin(&gpio1->y6, i, GPIO_FUNC(2));
- s5p_gpio_set_pull(&gpio1->y6, i, GPIO_PULL_UP);
+ if (flags & PINMUX_FLAG_16BIT) {
+ gpio_cfg_pin(GPIO_Y60 + i, GPIO_FUNC(2));
+ gpio_set_pull(GPIO_Y60 + i, GPIO_PULL_UP);
+ }
}
}
static void exynos5_i2c_config(int peripheral, int flags)
{
- struct exynos5_gpio_part1 *gpio1 =
- (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
-
switch (peripheral) {
case PERIPH_ID_I2C0:
- s5p_gpio_cfg_pin(&gpio1->b3, 0, GPIO_FUNC(0x2));
- s5p_gpio_cfg_pin(&gpio1->b3, 1, GPIO_FUNC(0x2));
+ gpio_cfg_pin(GPIO_B30, GPIO_FUNC(0x2));
+ gpio_cfg_pin(GPIO_B31, GPIO_FUNC(0x2));
break;
case PERIPH_ID_I2C1:
- s5p_gpio_cfg_pin(&gpio1->b3, 2, GPIO_FUNC(0x2));
- s5p_gpio_cfg_pin(&gpio1->b3, 3, GPIO_FUNC(0x2));
+ gpio_cfg_pin(GPIO_B32, GPIO_FUNC(0x2));
+ gpio_cfg_pin(GPIO_B33, GPIO_FUNC(0x2));
break;
case PERIPH_ID_I2C2:
- s5p_gpio_cfg_pin(&gpio1->a0, 6, GPIO_FUNC(0x3));
- s5p_gpio_cfg_pin(&gpio1->a0, 7, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_A06, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_A07, GPIO_FUNC(0x3));
break;
case PERIPH_ID_I2C3:
- s5p_gpio_cfg_pin(&gpio1->a1, 2, GPIO_FUNC(0x3));
- s5p_gpio_cfg_pin(&gpio1->a1, 3, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_A12, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_A13, GPIO_FUNC(0x3));
break;
case PERIPH_ID_I2C4:
- s5p_gpio_cfg_pin(&gpio1->a2, 0, GPIO_FUNC(0x3));
- s5p_gpio_cfg_pin(&gpio1->a2, 1, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_A20, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_A21, GPIO_FUNC(0x3));
break;
case PERIPH_ID_I2C5:
- s5p_gpio_cfg_pin(&gpio1->a2, 2, GPIO_FUNC(0x3));
- s5p_gpio_cfg_pin(&gpio1->a2, 3, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_A22, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_A23, GPIO_FUNC(0x3));
break;
case PERIPH_ID_I2C6:
- s5p_gpio_cfg_pin(&gpio1->b1, 3, GPIO_FUNC(0x4));
- s5p_gpio_cfg_pin(&gpio1->b1, 4, GPIO_FUNC(0x4));
+ gpio_cfg_pin(GPIO_B13, GPIO_FUNC(0x4));
+ gpio_cfg_pin(GPIO_B14, GPIO_FUNC(0x4));
break;
case PERIPH_ID_I2C7:
- s5p_gpio_cfg_pin(&gpio1->b2, 2, GPIO_FUNC(0x3));
- s5p_gpio_cfg_pin(&gpio1->b2, 3, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_B22, GPIO_FUNC(0x3));
+ gpio_cfg_pin(GPIO_B23, GPIO_FUNC(0x3));
break;
}
}
@@ -233,43 +218,34 @@ static void exynos5_i2c_config(int peripheral, int flags)
void exynos5_spi_config(int peripheral)
{
int cfg = 0, pin = 0, i;
- struct s5p_gpio_bank *bank = NULL;
- struct exynos5_gpio_part1 *gpio1 =
- (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
- struct exynos5_gpio_part2 *gpio2 =
- (struct exynos5_gpio_part2 *) samsung_get_base_gpio_part2();
switch (peripheral) {
case PERIPH_ID_SPI0:
- bank = &gpio1->a2;
cfg = GPIO_FUNC(0x2);
- pin = 0;
+ pin = GPIO_A20;
break;
case PERIPH_ID_SPI1:
- bank = &gpio1->a2;
cfg = GPIO_FUNC(0x2);
- pin = 4;
+ pin = GPIO_A24;
break;
case PERIPH_ID_SPI2:
- bank = &gpio1->b1;
cfg = GPIO_FUNC(0x5);
- pin = 1;
+ pin = GPIO_B11;
break;
case PERIPH_ID_SPI3:
- bank = &gpio2->f1;
cfg = GPIO_FUNC(0x2);
- pin = 0;
+ pin = GPIO_F10;
break;
case PERIPH_ID_SPI4:
- for (i = 2; i < 4; i++)
- s5p_gpio_cfg_pin(&gpio2->f0, i, GPIO_FUNC(0x4));
- for (i = 4; i < 6; i++)
- s5p_gpio_cfg_pin(&gpio2->e0, i, GPIO_FUNC(0x4));
+ for (i = 0; i < 4; i++)
+ gpio_cfg_pin(GPIO_F02 + i, GPIO_FUNC(0x4));
+ for (i = 0; i < 6; i++)
+ gpio_cfg_pin(GPIO_E04 + i, GPIO_FUNC(0x4));
break;
}
if (peripheral != PERIPH_ID_SPI4) {
for (i = pin; i < pin + 4; i++)
- s5p_gpio_cfg_pin(bank, i, cfg);
+ gpio_cfg_pin(i, cfg);
}
}
--
1.7.4.4
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