* Copyright (c) 2012 Samsung Electronics.
* Abhilash Kesavan <a.kesavan@samsung.com>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <fdtdec.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/sromc.h>
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 = EXYNOS5_GPIO_A00;
count = 4;
break;
case PERIPH_ID_UART1:
- bank = &gpio1->d0;
- start = 0;
+ start = EXYNOS5_GPIO_D00;
count = 4;
break;
case PERIPH_ID_UART2:
- bank = &gpio1->a1;
- start = 0;
+ start = EXYNOS5_GPIO_A10;
+ count = 4;
+ break;
+ case PERIPH_ID_UART3:
+ start = EXYNOS5_GPIO_A14;
+ count = 2;
+ break;
+ default:
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return;
+ }
+ for (i = start; i < start + count; i++) {
+ gpio_set_pull(i, S5P_GPIO_PULL_NONE);
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ }
+}
+
+static void exynos5420_uart_config(int peripheral)
+{
+ int i, start, count;
+
+ switch (peripheral) {
+ case PERIPH_ID_UART0:
+ start = EXYNOS5420_GPIO_A00;
+ count = 4;
+ break;
+ case PERIPH_ID_UART1:
+ start = EXYNOS5420_GPIO_A04;
+ count = 4;
+ break;
+ case PERIPH_ID_UART2:
+ start = EXYNOS5420_GPIO_A10;
count = 4;
break;
case PERIPH_ID_UART3:
- bank = &gpio1->a1;
- start = 4;
+ start = EXYNOS5420_GPIO_A14;
count = 2;
break;
+ default:
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return;
}
+
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, S5P_GPIO_PULL_NONE);
+ gpio_cfg_pin(i, S5P_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;
- gpio_func = GPIO_FUNC(0x2);
+ start = EXYNOS5_GPIO_C00;
+ start_ext = EXYNOS5_GPIO_C10;
+ gpio_func = S5P_GPIO_FUNC(0x2);
break;
case PERIPH_ID_SDMMC1:
- bank = &gpio1->c2;
- bank_ext = NULL;
+ start = EXYNOS5_GPIO_C20;
+ start_ext = 0;
break;
case PERIPH_ID_SDMMC2:
- bank = &gpio1->c3;
- bank_ext = &gpio1->c4;
- start = 3;
- gpio_func = GPIO_FUNC(0x3);
+ start = EXYNOS5_GPIO_C30;
+ start_ext = EXYNOS5_GPIO_C43;
+ gpio_func = S5P_GPIO_FUNC(0x3);
break;
case PERIPH_ID_SDMMC3:
- bank = &gpio1->c4;
- bank_ext = NULL;
+ start = EXYNOS5_GPIO_C40;
+ start_ext = 0;
break;
+ default:
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return -1;
}
- 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, S5P_GPIO_PULL_UP);
+ gpio_set_drv(i, S5P_GPIO_DRV_4X);
+ }
+ }
+ for (i = start; i < (start + 2); i++) {
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ gpio_set_pull(i, S5P_GPIO_PULL_NONE);
+ gpio_set_drv(i, S5P_GPIO_DRV_4X);
+ }
+ for (i = (start + 3); i <= (start + 6); i++) {
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ gpio_set_pull(i, S5P_GPIO_PULL_UP);
+ gpio_set_drv(i, S5P_GPIO_DRV_4X);
+ }
+
+ return 0;
+}
+
+static int exynos5420_mmc_config(int peripheral, int flags)
+{
+ int i, start = 0, start_ext = 0;
+
+ switch (peripheral) {
+ case PERIPH_ID_SDMMC0:
+ start = EXYNOS5420_GPIO_C00;
+ start_ext = EXYNOS5420_GPIO_C30;
+ break;
+ case PERIPH_ID_SDMMC1:
+ start = EXYNOS5420_GPIO_C10;
+ start_ext = EXYNOS5420_GPIO_D14;
+ break;
+ case PERIPH_ID_SDMMC2:
+ start = EXYNOS5420_GPIO_C20;
+ start_ext = 0;
+ break;
+ default:
+ start = 0;
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return -1;
+ }
+
+ 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_ext; i <= (start_ext + 3); i++) {
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ gpio_set_pull(i, S5P_GPIO_PULL_UP);
+ gpio_set_drv(i, S5P_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);
+
+ for (i = start; i < (start + 3); i++) {
+ /*
+ * MMC0 is intended to be used for eMMC. The
+ * card detect pin is used as a VDDEN signal to
+ * power on the eMMC. The 5420 iROM makes
+ * this same assumption.
+ */
+ if ((peripheral == PERIPH_ID_SDMMC0) && (i == (start + 2))) {
+ gpio_set_value(i, 1);
+ gpio_cfg_pin(i, S5P_GPIO_OUTPUT);
+ } else {
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ }
+ gpio_set_pull(i, S5P_GPIO_PULL_NONE);
+ gpio_set_drv(i, S5P_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);
+
+ for (i = (start + 3); i <= (start + 6); i++) {
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ gpio_set_pull(i, S5P_GPIO_PULL_UP);
+ gpio_set_drv(i, S5P_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;
/*
* GPY1[2] SROM_WAIT(2)
* GPY1[3] EBI_DATA_RDn(2)
*/
- s5p_gpio_cfg_pin(&gpio1->y0, (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(EXYNOS5_GPIO_Y00 + (flags & PINMUX_FLAG_BANK),
+ S5P_GPIO_FUNC(2));
+ gpio_cfg_pin(EXYNOS5_GPIO_Y04, S5P_GPIO_FUNC(2));
+ gpio_cfg_pin(EXYNOS5_GPIO_Y05, S5P_GPIO_FUNC(2));
for (i = 0; i < 4; i++)
- s5p_gpio_cfg_pin(&gpio1->y1, i, GPIO_FUNC(2));
+ gpio_cfg_pin(EXYNOS5_GPIO_Y10 + i, S5P_GPIO_FUNC(2));
/*
* EBI: 8 Addrss Lines
* 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(EXYNOS5_GPIO_Y30 + i, S5P_GPIO_FUNC(2));
+ gpio_set_pull(EXYNOS5_GPIO_Y30 + i, S5P_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(EXYNOS5_GPIO_Y50 + i, S5P_GPIO_FUNC(2));
+ gpio_set_pull(EXYNOS5_GPIO_Y50 + i, S5P_GPIO_PULL_UP);
- s5p_gpio_cfg_pin(&gpio1->y6, i, GPIO_FUNC(2));
- s5p_gpio_set_pull(&gpio1->y6, i, GPIO_PULL_UP);
+ gpio_cfg_pin(EXYNOS5_GPIO_Y60 + i, S5P_GPIO_FUNC(2));
+ gpio_set_pull(EXYNOS5_GPIO_Y60 + i, S5P_GPIO_PULL_UP);
}
}
static void exynos5_i2c_config(int peripheral, int flags)
{
+ switch (peripheral) {
+ case PERIPH_ID_I2C0:
+ gpio_cfg_pin(EXYNOS5_GPIO_B30, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS5_GPIO_B31, S5P_GPIO_FUNC(0x2));
+ break;
+ case PERIPH_ID_I2C1:
+ gpio_cfg_pin(EXYNOS5_GPIO_B32, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS5_GPIO_B33, S5P_GPIO_FUNC(0x2));
+ break;
+ case PERIPH_ID_I2C2:
+ gpio_cfg_pin(EXYNOS5_GPIO_A06, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5_GPIO_A07, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C3:
+ gpio_cfg_pin(EXYNOS5_GPIO_A12, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5_GPIO_A13, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C4:
+ gpio_cfg_pin(EXYNOS5_GPIO_A20, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5_GPIO_A21, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C5:
+ gpio_cfg_pin(EXYNOS5_GPIO_A22, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5_GPIO_A23, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C6:
+ gpio_cfg_pin(EXYNOS5_GPIO_B13, S5P_GPIO_FUNC(0x4));
+ gpio_cfg_pin(EXYNOS5_GPIO_B14, S5P_GPIO_FUNC(0x4));
+ break;
+ case PERIPH_ID_I2C7:
+ gpio_cfg_pin(EXYNOS5_GPIO_B22, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5_GPIO_B23, S5P_GPIO_FUNC(0x3));
+ break;
+ }
+}
- struct exynos5_gpio_part1 *gpio1 =
- (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
-
+static void exynos5420_i2c_config(int peripheral)
+{
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(EXYNOS5420_GPIO_B30, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS5420_GPIO_B31, S5P_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(EXYNOS5420_GPIO_B32, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS5420_GPIO_B33, S5P_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(EXYNOS5420_GPIO_A06, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5420_GPIO_A07, S5P_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(EXYNOS5420_GPIO_A12, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5420_GPIO_A13, S5P_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(EXYNOS5420_GPIO_A20, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5420_GPIO_A21, S5P_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(EXYNOS5420_GPIO_A22, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5420_GPIO_A23, S5P_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(EXYNOS5420_GPIO_B13, S5P_GPIO_FUNC(0x4));
+ gpio_cfg_pin(EXYNOS5420_GPIO_B14, S5P_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(EXYNOS5420_GPIO_B22, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS5420_GPIO_B23, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C8:
+ gpio_cfg_pin(EXYNOS5420_GPIO_B34, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS5420_GPIO_B35, S5P_GPIO_FUNC(0x2));
+ break;
+ case PERIPH_ID_I2C9:
+ gpio_cfg_pin(EXYNOS5420_GPIO_B36, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS5420_GPIO_B37, S5P_GPIO_FUNC(0x2));
+ break;
+ case PERIPH_ID_I2C10:
+ gpio_cfg_pin(EXYNOS5420_GPIO_B40, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS5420_GPIO_B41, S5P_GPIO_FUNC(0x2));
+ break;
+ }
+}
+
+static void exynos5_i2s_config(int peripheral)
+{
+ int i;
+
+ switch (peripheral) {
+ case PERIPH_ID_I2S0:
+ for (i = 0; i < 5; i++)
+ gpio_cfg_pin(EXYNOS5_GPIO_Z0 + i, S5P_GPIO_FUNC(0x02));
+ break;
+ case PERIPH_ID_I2S1:
+ for (i = 0; i < 5; i++)
+ gpio_cfg_pin(EXYNOS5_GPIO_B00 + i, S5P_GPIO_FUNC(0x02));
+ break;
+ }
+}
+
+void exynos5_spi_config(int peripheral)
+{
+ int cfg = 0, pin = 0, i;
+
+ switch (peripheral) {
+ case PERIPH_ID_SPI0:
+ cfg = S5P_GPIO_FUNC(0x2);
+ pin = EXYNOS5_GPIO_A20;
+ break;
+ case PERIPH_ID_SPI1:
+ cfg = S5P_GPIO_FUNC(0x2);
+ pin = EXYNOS5_GPIO_A24;
+ break;
+ case PERIPH_ID_SPI2:
+ cfg = S5P_GPIO_FUNC(0x5);
+ pin = EXYNOS5_GPIO_B11;
+ break;
+ case PERIPH_ID_SPI3:
+ cfg = S5P_GPIO_FUNC(0x2);
+ pin = EXYNOS5_GPIO_F10;
+ break;
+ case PERIPH_ID_SPI4:
+ for (i = 0; i < 2; i++) {
+ gpio_cfg_pin(EXYNOS5_GPIO_F02 + i, S5P_GPIO_FUNC(0x4));
+ gpio_cfg_pin(EXYNOS5_GPIO_E04 + i, S5P_GPIO_FUNC(0x4));
+ }
+ break;
+ }
+ if (peripheral != PERIPH_ID_SPI4) {
+ for (i = pin; i < pin + 4; i++)
+ gpio_cfg_pin(i, cfg);
+ }
+}
+
+void exynos5420_spi_config(int peripheral)
+{
+ int cfg, pin, i;
+
+ switch (peripheral) {
+ case PERIPH_ID_SPI0:
+ pin = EXYNOS5420_GPIO_A20;
+ cfg = S5P_GPIO_FUNC(0x2);
+ break;
+ case PERIPH_ID_SPI1:
+ pin = EXYNOS5420_GPIO_A24;
+ cfg = S5P_GPIO_FUNC(0x2);
+ break;
+ case PERIPH_ID_SPI2:
+ pin = EXYNOS5420_GPIO_B11;
+ cfg = S5P_GPIO_FUNC(0x5);
+ break;
+ case PERIPH_ID_SPI3:
+ pin = EXYNOS5420_GPIO_F10;
+ cfg = S5P_GPIO_FUNC(0x2);
+ break;
+ case PERIPH_ID_SPI4:
+ cfg = 0;
+ pin = 0;
break;
+ default:
+ cfg = 0;
+ pin = 0;
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return;
+ }
+
+ if (peripheral != PERIPH_ID_SPI4) {
+ for (i = pin; i < pin + 4; i++)
+ gpio_cfg_pin(i, cfg);
+ } else {
+ for (i = 0; i < 2; i++) {
+ gpio_cfg_pin(EXYNOS5420_GPIO_F02 + i,
+ S5P_GPIO_FUNC(0x4));
+ gpio_cfg_pin(EXYNOS5420_GPIO_E04 + i,
+ S5P_GPIO_FUNC(0x4));
+ }
}
}
case PERIPH_ID_I2C7:
exynos5_i2c_config(peripheral, flags);
break;
+ case PERIPH_ID_I2S0:
+ case PERIPH_ID_I2S1:
+ exynos5_i2s_config(peripheral);
+ break;
+ case PERIPH_ID_SPI0:
+ case PERIPH_ID_SPI1:
+ case PERIPH_ID_SPI2:
+ case PERIPH_ID_SPI3:
+ case PERIPH_ID_SPI4:
+ exynos5_spi_config(peripheral);
+ break;
+ default:
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int exynos5420_pinmux_config(int peripheral, int flags)
+{
+ switch (peripheral) {
+ case PERIPH_ID_UART0:
+ case PERIPH_ID_UART1:
+ case PERIPH_ID_UART2:
+ case PERIPH_ID_UART3:
+ exynos5420_uart_config(peripheral);
+ break;
+ case PERIPH_ID_SDMMC0:
+ case PERIPH_ID_SDMMC1:
+ case PERIPH_ID_SDMMC2:
+ case PERIPH_ID_SDMMC3:
+ return exynos5420_mmc_config(peripheral, flags);
+ case PERIPH_ID_SPI0:
+ case PERIPH_ID_SPI1:
+ case PERIPH_ID_SPI2:
+ case PERIPH_ID_SPI3:
+ case PERIPH_ID_SPI4:
+ exynos5420_spi_config(peripheral);
+ break;
+ case PERIPH_ID_I2C0:
+ case PERIPH_ID_I2C1:
+ case PERIPH_ID_I2C2:
+ case PERIPH_ID_I2C3:
+ case PERIPH_ID_I2C4:
+ case PERIPH_ID_I2C5:
+ case PERIPH_ID_I2C6:
+ case PERIPH_ID_I2C7:
+ case PERIPH_ID_I2C8:
+ case PERIPH_ID_I2C9:
+ case PERIPH_ID_I2C10:
+ exynos5420_i2c_config(peripheral);
+ break;
default:
debug("%s: invalid peripheral %d", __func__, peripheral);
return -1;
static void exynos4_i2c_config(int peripheral, int flags)
{
- struct exynos4_gpio_part1 *gpio1 =
- (struct exynos4_gpio_part1 *) samsung_get_base_gpio_part1();
+ switch (peripheral) {
+ case PERIPH_ID_I2C0:
+ gpio_cfg_pin(EXYNOS4_GPIO_D10, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS4_GPIO_D11, S5P_GPIO_FUNC(0x2));
+ break;
+ case PERIPH_ID_I2C1:
+ gpio_cfg_pin(EXYNOS4_GPIO_D12, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS4_GPIO_D13, S5P_GPIO_FUNC(0x2));
+ break;
+ case PERIPH_ID_I2C2:
+ gpio_cfg_pin(EXYNOS4_GPIO_A06, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4_GPIO_A07, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C3:
+ gpio_cfg_pin(EXYNOS4_GPIO_A12, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4_GPIO_A13, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C4:
+ gpio_cfg_pin(EXYNOS4_GPIO_B2, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4_GPIO_B3, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C5:
+ gpio_cfg_pin(EXYNOS4_GPIO_B6, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4_GPIO_B7, S5P_GPIO_FUNC(0x3));
+ break;
+ case PERIPH_ID_I2C6:
+ gpio_cfg_pin(EXYNOS4_GPIO_C13, S5P_GPIO_FUNC(0x4));
+ gpio_cfg_pin(EXYNOS4_GPIO_C14, S5P_GPIO_FUNC(0x4));
+ break;
+ case PERIPH_ID_I2C7:
+ gpio_cfg_pin(EXYNOS4_GPIO_D02, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4_GPIO_D03, S5P_GPIO_FUNC(0x3));
+ break;
+ }
+}
+
+static int exynos4_mmc_config(int peripheral, int flags)
+{
+ int i, start = 0, start_ext = 0;
+
+ switch (peripheral) {
+ case PERIPH_ID_SDMMC0:
+ start = EXYNOS4_GPIO_K00;
+ start_ext = EXYNOS4_GPIO_K13;
+ break;
+ case PERIPH_ID_SDMMC2:
+ start = EXYNOS4_GPIO_K20;
+ start_ext = EXYNOS4_GPIO_K33;
+ break;
+ default:
+ return -1;
+ }
+ for (i = start; i < (start + 7); i++) {
+ if (i == (start + 2))
+ continue;
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ 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_set_pull(i, S5P_GPIO_PULL_NONE);
+ gpio_set_drv(i, S5P_GPIO_DRV_4X);
+ }
+ }
+
+ return 0;
+}
+
+static void exynos4_uart_config(int peripheral)
+{
+ int i, start, count;
+
+ switch (peripheral) {
+ case PERIPH_ID_UART0:
+ start = EXYNOS4_GPIO_A00;
+ count = 4;
+ break;
+ case PERIPH_ID_UART1:
+ start = EXYNOS4_GPIO_A04;
+ count = 4;
+ break;
+ case PERIPH_ID_UART2:
+ start = EXYNOS4_GPIO_A10;
+ count = 4;
+ break;
+ case PERIPH_ID_UART3:
+ start = EXYNOS4_GPIO_A14;
+ count = 2;
+ break;
+ default:
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return;
+ }
+ for (i = start; i < (start + count); i++) {
+ gpio_set_pull(i, S5P_GPIO_PULL_NONE);
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ }
+}
+static void exynos4x12_i2c_config(int peripheral, int flags)
+{
switch (peripheral) {
case PERIPH_ID_I2C0:
- s5p_gpio_cfg_pin(&gpio1->d1, 0, GPIO_FUNC(0x2));
- s5p_gpio_cfg_pin(&gpio1->d1, 1, GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_D10, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_D11, S5P_GPIO_FUNC(0x2));
break;
case PERIPH_ID_I2C1:
- s5p_gpio_cfg_pin(&gpio1->d1, 2, GPIO_FUNC(0x2));
- s5p_gpio_cfg_pin(&gpio1->d1, 3, GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_D12, S5P_GPIO_FUNC(0x2));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_D13, S5P_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(EXYNOS4X12_GPIO_A06, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_A07, S5P_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(EXYNOS4X12_GPIO_A12, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_A13, S5P_GPIO_FUNC(0x3));
break;
case PERIPH_ID_I2C4:
- s5p_gpio_cfg_pin(&gpio1->b, 2, GPIO_FUNC(0x3));
- s5p_gpio_cfg_pin(&gpio1->b, 3, GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_B2, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_B3, S5P_GPIO_FUNC(0x3));
break;
case PERIPH_ID_I2C5:
- s5p_gpio_cfg_pin(&gpio1->b, 6, GPIO_FUNC(0x3));
- s5p_gpio_cfg_pin(&gpio1->b, 7, GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_B6, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_B7, S5P_GPIO_FUNC(0x3));
break;
case PERIPH_ID_I2C6:
- s5p_gpio_cfg_pin(&gpio1->c1, 3, GPIO_FUNC(0x4));
- s5p_gpio_cfg_pin(&gpio1->c1, 4, GPIO_FUNC(0x4));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_C13, S5P_GPIO_FUNC(0x4));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_C14, S5P_GPIO_FUNC(0x4));
break;
case PERIPH_ID_I2C7:
- s5p_gpio_cfg_pin(&gpio1->d0, 2, GPIO_FUNC(0x3));
- s5p_gpio_cfg_pin(&gpio1->d0, 3, GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_D02, S5P_GPIO_FUNC(0x3));
+ gpio_cfg_pin(EXYNOS4X12_GPIO_D03, S5P_GPIO_FUNC(0x3));
+ break;
+ }
+}
+
+static int exynos4x12_mmc_config(int peripheral, int flags)
+{
+ int i, start = 0, start_ext = 0;
+
+ switch (peripheral) {
+ case PERIPH_ID_SDMMC0:
+ start = EXYNOS4X12_GPIO_K00;
+ start_ext = EXYNOS4X12_GPIO_K13;
+ break;
+ case PERIPH_ID_SDMMC2:
+ start = EXYNOS4X12_GPIO_K20;
+ start_ext = EXYNOS4X12_GPIO_K33;
+ break;
+ default:
+ return -1;
+ }
+ for (i = start; i < (start + 7); i++) {
+ if (i == (start + 2))
+ continue;
+ gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
+ 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_set_pull(i, S5P_GPIO_PULL_NONE);
+ gpio_set_drv(i, S5P_GPIO_DRV_4X);
+ }
+ }
+
+ return 0;
+}
+
+static void exynos4x12_uart_config(int peripheral)
+{
+ int i, start, count;
+
+ switch (peripheral) {
+ case PERIPH_ID_UART0:
+ start = EXYNOS4X12_GPIO_A00;
+ count = 4;
+ break;
+ case PERIPH_ID_UART1:
+ start = EXYNOS4X12_GPIO_A04;
+ count = 4;
+ break;
+ case PERIPH_ID_UART2:
+ start = EXYNOS4X12_GPIO_A10;
+ count = 4;
break;
+ case PERIPH_ID_UART3:
+ start = EXYNOS4X12_GPIO_A14;
+ count = 2;
+ break;
+ default:
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return;
+ }
+ for (i = start; i < (start + count); i++) {
+ gpio_set_pull(i, S5P_GPIO_PULL_NONE);
+ gpio_cfg_pin(i, S5P_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:
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:
+ debug("SDMMC device %d not implemented\n", peripheral);
+ return -1;
+ default:
+ debug("%s: invalid peripheral %d", __func__, peripheral);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int exynos4x12_pinmux_config(int peripheral, int flags)
+{
+ switch (peripheral) {
+ case PERIPH_ID_UART0:
+ case PERIPH_ID_UART1:
+ case PERIPH_ID_UART2:
+ case PERIPH_ID_UART3:
+ exynos4x12_uart_config(peripheral);
+ break;
+ case PERIPH_ID_I2C0:
+ case PERIPH_ID_I2C1:
+ case PERIPH_ID_I2C2:
+ case PERIPH_ID_I2C3:
+ case PERIPH_ID_I2C4:
+ case PERIPH_ID_I2C5:
+ case PERIPH_ID_I2C6:
+ case PERIPH_ID_I2C7:
+ exynos4x12_i2c_config(peripheral, flags);
+ break;
+ case PERIPH_ID_SDMMC0:
+ case PERIPH_ID_SDMMC2:
+ 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:
debug("%s: invalid peripheral %d", __func__, peripheral);
return -1;
}
int exynos_pinmux_config(int peripheral, int flags)
+{
+ if (cpu_is_exynos5()) {
+ if (proid_is_exynos5420())
+ return exynos5420_pinmux_config(peripheral, flags);
+ else if (proid_is_exynos5250())
+ return exynos5_pinmux_config(peripheral, flags);
+ } else if (cpu_is_exynos4()) {
+ if (proid_is_exynos4412())
+ return exynos4x12_pinmux_config(peripheral, flags);
+ else
+ return exynos4_pinmux_config(peripheral, flags);
+ }
+
+ debug("pinmux functionality not supported\n");
+
+ return -1;
+}
+
+#ifdef CONFIG_OF_CONTROL
+static int exynos4_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) {
+ debug(" invalid peripheral id\n");
+ return PERIPH_ID_NONE;
+ }
+
+ return cell[1];
+}
+
+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;
+
+ return cell[1];
+}
+
+int pinmux_decode_periph_id(const void *blob, int node)
{
if (cpu_is_exynos5())
- return exynos5_pinmux_config(peripheral, flags);
+ return exynos5_pinmux_decode_periph_id(blob, node);
else if (cpu_is_exynos4())
- return exynos4_pinmux_config(peripheral, flags);
- else {
- debug("pinmux functionality not supported\n");
- return -1;
- }
+ return exynos4_pinmux_decode_periph_id(blob, node);
+
+ return PERIPH_ID_NONE;
}
+#endif
projects / karo-tx-uboot.git / blobdiff