X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fexynos%2Fpinmux.c;h=ee7c2e5a4be5b755cc38d434a12204868630a263;hp=44ce0726e992f7f08b6df8b8c3d1fdba234de9d9;hb=c534d2fdcf7aa80230a0f1ed54d5e3164ba595eb;hpb=89bd58a1e9cb482109498ac38b38fc39d22fb421 diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 44ce0726e9..ee7c2e5a4b 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -2,123 +2,196 @@ * Copyright (c) 2012 Samsung Electronics. * Abhilash Kesavan * - * 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 +#include #include #include #include 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; /* @@ -136,13 +209,13 @@ 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_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 @@ -177,56 +250,197 @@ 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(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)); + } } } @@ -257,6 +471,59 @@ static int exynos5_pinmux_config(int peripheral, int flags) 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; @@ -267,48 +534,219 @@ static int exynos5_pinmux_config(int peripheral, int flags) 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: @@ -319,6 +757,49 @@ static int exynos4_pinmux_config(int peripheral, int flags) 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; @@ -328,13 +809,60 @@ static int exynos4_pinmux_config(int peripheral, int flags) } 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