diff options
Diffstat (limited to 'src/cpu/samsung/exynos5250/pinmux.c')
| -rw-r--r-- | src/cpu/samsung/exynos5250/pinmux.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/src/cpu/samsung/exynos5250/pinmux.c b/src/cpu/samsung/exynos5250/pinmux.c deleted file mode 100644 index dc9590f20f..0000000000 --- a/src/cpu/samsung/exynos5250/pinmux.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * - * 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; version 2 of the License. - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <console/console.h> -#include <assert.h> -#include "gpio.h" -#include "pinmux.h" - -static void exynos_pinmux_uart(int start, int count) -{ - int i; - - for (i = start; i < start + count; i++) { - gpio_set_pull(i, GPIO_PULL_NONE); - gpio_cfg_pin(i, GPIO_FUNC(0x2)); - } -} - -void exynos_pinmux_uart0(void) -{ - exynos_pinmux_uart(GPIO_A00, 4); -} - -void exynos_pinmux_uart1(void) -{ - exynos_pinmux_uart(GPIO_D00, 4); -} - -void exynos_pinmux_uart2(void) -{ - exynos_pinmux_uart(GPIO_A10, 4); -} - -void exynos_pinmux_uart3(void) -{ - exynos_pinmux_uart(GPIO_A14, 2); -} - -static void exynos_pinmux_sdmmc(int start, int start_ext) -{ - int i; - - if (start_ext) { - for (i = 0; i <= 3; i++) { - gpio_cfg_pin(start_ext + i, GPIO_FUNC(0x2)); - gpio_set_pull(start_ext + i, GPIO_PULL_UP); - gpio_set_drv(start_ext + i, GPIO_DRV_4X); - } - } - for (i = 0; i < 2; i++) { - 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 = 2; i <= 6; i++) { - gpio_cfg_pin(start + i, GPIO_FUNC(0x2)); - gpio_set_pull(start + i, GPIO_PULL_UP); - gpio_set_drv(start + i, GPIO_DRV_4X); - } -} - -void exynos_pinmux_sdmmc0(void) -{ - exynos_pinmux_sdmmc(GPIO_C00, GPIO_C10); -} - -void exynos_pinmux_sdmmc1(void) -{ - exynos_pinmux_sdmmc(GPIO_C20, 0); -} - -void exynos_pinmux_sdmmc2(void) -{ - exynos_pinmux_sdmmc(GPIO_C30, 0); -} - -void exynos_pinmux_sdmmc3(void) -{ - /* - * TODO: Need to add definitions for GPC4 before - * enabling this. - */ - printk(BIOS_DEBUG, "SDMMC3 not supported yet"); -} - -void exynos_pinmux_sromc(int bank, int sixteen_bit) -{ - int i; - - if (bank > 3) { - printk(BIOS_DEBUG, "Unsupported sromc bank %d.\n", bank); - return; - } - - gpio_cfg_pin(GPIO_Y00 + bank, GPIO_FUNC(2)); - gpio_cfg_pin(GPIO_Y04, GPIO_FUNC(2)); - gpio_cfg_pin(GPIO_Y05, GPIO_FUNC(2)); - - for (i = 2; i < 4; i++) - gpio_cfg_pin(GPIO_Y10 + i, GPIO_FUNC(2)); - - for (i = 0; i < 8; i++) { - gpio_cfg_pin(GPIO_Y30 + i, GPIO_FUNC(2)); - gpio_set_pull(GPIO_Y30 + i, GPIO_PULL_UP); - - gpio_cfg_pin(GPIO_Y50 + i, GPIO_FUNC(2)); - gpio_set_pull(GPIO_Y50 + i, GPIO_PULL_UP); - - if (sixteen_bit) { - gpio_cfg_pin(GPIO_Y60 + i, GPIO_FUNC(2)); - gpio_set_pull(GPIO_Y60 + i, GPIO_PULL_UP); - } - } -} - -static void exynos_pinmux_spi(int start, int cfg) -{ - int i; - - for (i = 0; i < 4; i++) { - gpio_cfg_pin(start + i, GPIO_FUNC(cfg)); - gpio_set_pull(start + i, GPIO_PULL_NONE); - gpio_set_drv(start + i, GPIO_DRV_3X); - } -} - -void exynos_pinmux_spi0(void) -{ - exynos_pinmux_spi(GPIO_A20, 0x2); -} - -void exynos_pinmux_spi1(void) -{ - exynos_pinmux_spi(GPIO_A24, 0x2); -} - -void exynos_pinmux_spi2(void) -{ - exynos_pinmux_spi(GPIO_B11, 0x5); -} - -void exynos_pinmux_spi3(void) -{ - exynos_pinmux_spi(GPIO_E00, 0x2); -} - -void exynos_pinmux_spi4(void) -{ - int i; - - for (i = 0; i < 2; i++) - gpio_cfg_pin(GPIO_F02 + i, GPIO_FUNC(0x4)); - for (i = 2; i < 4; i++) - gpio_cfg_pin(GPIO_E02 + i, GPIO_FUNC(0x4)); -} - -void exynos_pinmux_backlight(void) -{ - gpio_cfg_pin(GPIO_B20, GPIO_OUTPUT); - gpio_set_value(GPIO_B20, 1); -} - -void exynos_pinmux_lcd(void) -{ - gpio_cfg_pin(GPIO_Y25, GPIO_OUTPUT); - gpio_set_value(GPIO_Y25, 1); - gpio_cfg_pin(GPIO_X15, GPIO_OUTPUT); - gpio_set_value(GPIO_X15, 1); - gpio_cfg_pin(GPIO_X30, GPIO_OUTPUT); - gpio_set_value(GPIO_X30, 1); -} - -static void exynos_pinmux_i2c(int start, int func) -{ - gpio_cfg_pin(start, GPIO_FUNC(func)); - gpio_cfg_pin(start + 1, GPIO_FUNC(func)); - gpio_set_pull(start, GPIO_PULL_NONE); - gpio_set_pull(start + 1, GPIO_PULL_NONE); -} - -void exynos_pinmux_i2c0(void) -{ - exynos_pinmux_i2c(GPIO_B30, 0x2); -} - -void exynos_pinmux_i2c1(void) -{ - exynos_pinmux_i2c(GPIO_B32, 0x2); -} - -void exynos_pinmux_i2c2(void) -{ - exynos_pinmux_i2c(GPIO_A06, 0x3); -} - -void exynos_pinmux_i2c3(void) -{ - exynos_pinmux_i2c(GPIO_A12, 0x3); -} - -void exynos_pinmux_i2c4(void) -{ - exynos_pinmux_i2c(GPIO_A20, 0x3); -} - -void exynos_pinmux_i2c5(void) -{ - exynos_pinmux_i2c(GPIO_A22, 0x3); -} - -void exynos_pinmux_i2c6(void) -{ - exynos_pinmux_i2c(GPIO_B13, 0x4); -} - -void exynos_pinmux_i2c7(void) -{ - exynos_pinmux_i2c(GPIO_B22, 0x3); -} - -void exynos_pinmux_dphpd(void) -{ - /* Set Hotplug detect for DP */ - gpio_cfg_pin(GPIO_X07, GPIO_FUNC(0x3)); - - /* - * Hotplug detect should have an external pullup; disable the - * internal pulldown so they don't fight. - */ - gpio_set_pull(GPIO_X07, GPIO_PULL_NONE); -} - -void exynos_pinmux_i2s0(void) -{ - int i; - - for (i = 0; i < 5; i++) { - gpio_cfg_pin(GPIO_Z0 + i, GPIO_FUNC(0x02)); - gpio_set_pull(GPIO_Z0 + i, GPIO_PULL_NONE); - } -} - -void exynos_pinmux_i2s1(void) -{ - int i; - - for (i = 0; i < 5; i++) { - gpio_cfg_pin(GPIO_B00 + i, GPIO_FUNC(0x02)); - gpio_set_pull(GPIO_B00 + i, GPIO_PULL_NONE); - } -} |