release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s5pv210/setup-ide.c

   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 void s5pv210_ide_setup_gpio(void)
  19 {
  20         unsigned int gpio = 0;
  21
  22         for (gpio = S5PV210_GPJ0(0); gpio <= S5PV210_GPJ0(7); gpio++) {
  23                 /* CF_Add[0 - 2], CF_IORDY, CF_INTRQ, CF_DMARQ, CF_DMARST,
  24                         CF_DMACK */
  25                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4));
  26                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
  27                 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
  28         }
  29
  30         for (gpio = S5PV210_GPJ2(0); gpio <= S5PV210_GPJ2(7); gpio++) {
  31                 /*CF_Data[0 - 7] */
  32                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4));
  33                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
  34                 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
  35         }
  36
  37         for (gpio = S5PV210_GPJ3(0); gpio <= S5PV210_GPJ3(7); gpio++) {
  38                 /* CF_Data[8 - 15] */
  39                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4));
  40                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
  41                 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
  42         }
  43
  44         for (gpio = S5PV210_GPJ4(0); gpio <= S5PV210_GPJ4(3); gpio++) {
  45                 /* CF_CS0, CF_CS1, CF_IORD, CF_IOWR */
  46                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4));
  47                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
  48                 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
  49         }
  50 }