44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* linux/arch/arm/mach-s3c64xx/setup-ide.c
|
|
*
|
|
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
|
|
* http://www.samsung.com/
|
|
*
|
|
* S3C64XX setup information for IDE
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <mach/map.h>
|
|
#include <mach/regs-clock.h>
|
|
#include <plat/gpio-cfg.h>
|
|
#include <linux/platform_data/ata-samsung_cf.h>
|
|
|
|
void s3c64xx_ide_setup_gpio(void)
|
|
{
|
|
u32 reg;
|
|
|
|
reg = readl(S3C_MEM_SYS_CFG) & (~0x3f);
|
|
|
|
/* Independent CF interface, CF chip select configuration */
|
|
writel(reg | MEM_SYS_CFG_INDEP_CF |
|
|
MEM_SYS_CFG_EBI_FIX_PRI_CFCON, S3C_MEM_SYS_CFG);
|
|
|
|
s3c_gpio_cfgpin(S3C64XX_GPB(4), S3C_GPIO_SFN(4));
|
|
|
|
/* Set XhiDATA[15:0] pins as CF Data[15:0] */
|
|
s3c_gpio_cfgpin_range(S3C64XX_GPK(0), 16, S3C_GPIO_SFN(5));
|
|
|
|
/* Set XhiADDR[2:0] pins as CF ADDR[2:0] */
|
|
s3c_gpio_cfgpin_range(S3C64XX_GPL(0), 3, S3C_GPIO_SFN(6));
|
|
|
|
/* Set Xhi ctrl pins as CF ctrl pins(IORDY, IOWR, IORD, CE[0:1]) */
|
|
s3c_gpio_cfgpin(S3C64XX_GPM(5), S3C_GPIO_SFN(1));
|
|
s3c_gpio_cfgpin_range(S3C64XX_GPM(0), 5, S3C_GPIO_SFN(6));
|
|
}
|