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