| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* linux/arch/arm/mach-s5pv210/setup-ide.c |
| 2 | * |
| 3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. |
| 4 | * http://www.samsung.com |
| 5 | * |
| 6 | * S5PV210 setup information for IDE |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/gpio.h> |
| 15 | |
| 16 | #include <plat/gpio-cfg.h> |
| 17 | |
| 18 | static void s5pv210_ide_cfg_gpios(unsigned int base, unsigned int nr) |
| 19 | { |
| 20 | s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(4)); |
| 21 | |
| 22 | for (; nr > 0; nr--, base++) |
| 23 | s5p_gpio_set_drvstr(base, S5P_GPIO_DRVSTR_LV4); |
| 24 | } |
| 25 | |
| 26 | void s5pv210_ide_setup_gpio(void) |
| 27 | { |
| 28 | /* CF_Add[0 - 2], CF_IORDY, CF_INTRQ, CF_DMARQ, CF_DMARST, CF_DMACK */ |
| 29 | s5pv210_ide_cfg_gpios(S5PV210_GPJ0(0), 8); |
| 30 | |
| 31 | /* CF_Data[0 - 7] */ |
| 32 | s5pv210_ide_cfg_gpios(S5PV210_GPJ2(0), 8); |
| 33 | |
| 34 | /* CF_Data[8 - 15] */ |
| 35 | s5pv210_ide_cfg_gpios(S5PV210_GPJ3(0), 8); |
| 36 | |
| 37 | /* CF_CS0, CF_CS1, CF_IORD, CF_IOWR */ |
| 38 | s5pv210_ide_cfg_gpios(S5PV210_GPJ4(0), 4); |
| 39 | } |