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
s5pv210_ide_cfg_gpios(unsigned int base,unsigned int nr)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
s5pv210_ide_setup_gpio(void)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 }
40