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ARM: SAMSUNG: Add Compact Flash device support for Samsung SoCs 

Following has been added:
	- Common CF Platform device definition
	- Platform data strucure definition
	- CF controller register definitions

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Abhilash Kesavan 2010-06-08 16:38:20 +09:00 committed by Kukjin Kim
parent 3911dab8ad
commit db90005b5b
7 changed files with 171 additions and 0 deletions
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5
arch/arm/plat-samsung/Kconfig
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@ -216,6 +216,11 @@ config SAMSUNG_DEV_ADC
help
Compile in platform device definition for ADC controller
config SAMSUNG_DEV_IDE
bool
help
Compile in platform device definitions for IDE
config S3C64XX_DEV_SPI
bool
help

1
arch/arm/plat-samsung/Makefile
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@ -49,6 +49,7 @@ obj-$(CONFIG_S3C_DEV_ONENAND) += dev-onenand.o
obj-$(CONFIG_S3C_DEV_RTC) += dev-rtc.o
obj-$(CONFIG_SAMSUNG_DEV_ADC) += dev-adc.o
obj-$(CONFIG_SAMSUNG_DEV_IDE) += dev-ide.o
obj-$(CONFIG_SAMSUNG_DEV_TS) += dev-ts.o
# DMA support

44
arch/arm/plat-samsung/dev-ide.c Normal file
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@ -0,0 +1,44 @@
/* linux/arch/arm/plat-samsung/dev-ide.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Samsung CF-ATA device definition.
*
* 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/interrupt.h>
#include <linux/platform_device.h>
#include <mach/map.h>
#include <plat/ata.h>
#include <plat/devs.h>
static struct resource s3c_cfcon_resource[] = {
[0] = {
.start = SAMSUNG_PA_CFCON,
.end = SAMSUNG_PA_CFCON + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CFCON,
.end = IRQ_CFCON,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device s3c_device_cfcon = {
.id = 0,
.num_resources = ARRAY_SIZE(s3c_cfcon_resource),
.resource = s3c_cfcon_resource,
};
void s3c_ide_set_platdata(struct s3c_ide_platdata *pdata)
{
s3c_set_platdata(pdata, sizeof(struct s3c_ide_platdata),
&s3c_device_cfcon);
}

28
arch/arm/plat-samsung/include/plat/ata-core.h Normal file
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@ -0,0 +1,28 @@
/* linux/arch/arm/plat-samsung/include/plat/ata-core.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Samsung CF-ATA Controller core functions
*
* 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.
*/
#ifndef __ASM_PLAT_ATA_CORE_H
#define __ASM_PLAT_ATA_CORE_H __FILE__
/* These functions are only for use with the core support code, such as
* the cpu specific initialisation code
*/
/* re-define device name depending on support. */
static inline void s3c_cfcon_setname(char *name)
{
#ifdef CONFIG_SAMSUNG_DEV_IDE
s3c_device_cfcon.name = name;
#endif
}
#endif /* __ASM_PLAT_ATA_CORE_H */

36
arch/arm/plat-samsung/include/plat/ata.h Normal file
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@ -0,0 +1,36 @@
/* linux/arch/arm/plat-samsung/include/plat/ata.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Samsung CF-ATA platform_device info
*
* 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.
*/
#ifndef __ASM_PLAT_ATA_H
#define __ASM_PLAT_ATA_H __FILE__
/**
* struct s3c_ide_platdata - S3C IDE driver platform data.
* @setup_gpio: Setup the external GPIO pins to the right state for data
* transfer in true-ide mode.
*/
struct s3c_ide_platdata {
void (*setup_gpio)(void);
};
/*
* s3c_ide_set_platdata() - Setup the platform specifc data for IDE driver.
* @pdata: Platform data for IDE driver.
*/
extern void s3c_ide_set_platdata(struct s3c_ide_platdata *pdata);
/* architecture-specific IDE configuration */
extern void s3c64xx_ide_setup_gpio(void);
extern void s5pc100_ide_setup_gpio(void);
extern void s5pv210_ide_setup_gpio(void);
#endif /*__ASM_PLAT_ATA_H */

1
arch/arm/plat-samsung/include/plat/devs.h
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@ -54,6 +54,7 @@ extern struct platform_device s3c_device_hwmon;
extern struct platform_device s3c_device_hsmmc0;
extern struct platform_device s3c_device_hsmmc1;
extern struct platform_device s3c_device_hsmmc2;
extern struct platform_device s3c_device_cfcon;
extern struct platform_device s3c_device_spi0;
extern struct platform_device s3c_device_spi1;

56
arch/arm/plat-samsung/include/plat/regs-ata.h Normal file
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@ -0,0 +1,56 @@
/* linux/arch/arm/plat-samsung/include/plat/regs-ata.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Samsung CF-ATA register definitions
*
* 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.
*/
#ifndef __ASM_PLAT_REGS_ATA_H
#define __ASM_PLAT_REGS_ATA_H __FILE__
#define S3C_CFATA_REG(x) (x)
#define S3C_CFATA_MUX S3C_CFATA_REG(0x0)
#define S3C_ATA_CTRL S3C_CFATA_REG(0x0)
#define S3C_ATA_STATUS S3C_CFATA_REG(0x4)
#define S3C_ATA_CMD S3C_CFATA_REG(0x8)
#define S3C_ATA_SWRST S3C_CFATA_REG(0xc)
#define S3C_ATA_IRQ S3C_CFATA_REG(0x10)
#define S3C_ATA_IRQ_MSK S3C_CFATA_REG(0x14)
#define S3C_ATA_CFG S3C_CFATA_REG(0x18)
#define S3C_ATA_MDMA_TIME S3C_CFATA_REG(0x28)
#define S3C_ATA_PIO_TIME S3C_CFATA_REG(0x2c)
#define S3C_ATA_UDMA_TIME S3C_CFATA_REG(0x30)
#define S3C_ATA_XFR_NUM S3C_CFATA_REG(0x34)
#define S3C_ATA_XFR_CNT S3C_CFATA_REG(0x38)
#define S3C_ATA_TBUF_START S3C_CFATA_REG(0x3c)
#define S3C_ATA_TBUF_SIZE S3C_CFATA_REG(0x40)
#define S3C_ATA_SBUF_START S3C_CFATA_REG(0x44)
#define S3C_ATA_SBUF_SIZE S3C_CFATA_REG(0x48)
#define S3C_ATA_CADR_TBUF S3C_CFATA_REG(0x4c)
#define S3C_ATA_CADR_SBUF S3C_CFATA_REG(0x50)
#define S3C_ATA_PIO_DTR S3C_CFATA_REG(0x54)
#define S3C_ATA_PIO_FED S3C_CFATA_REG(0x58)
#define S3C_ATA_PIO_SCR S3C_CFATA_REG(0x5c)
#define S3C_ATA_PIO_LLR S3C_CFATA_REG(0x60)
#define S3C_ATA_PIO_LMR S3C_CFATA_REG(0x64)
#define S3C_ATA_PIO_LHR S3C_CFATA_REG(0x68)
#define S3C_ATA_PIO_DVR S3C_CFATA_REG(0x6c)
#define S3C_ATA_PIO_CSD S3C_CFATA_REG(0x70)
#define S3C_ATA_PIO_DAD S3C_CFATA_REG(0x74)
#define S3C_ATA_PIO_READY S3C_CFATA_REG(0x78)
#define S3C_ATA_PIO_RDATA S3C_CFATA_REG(0x7c)
#define S3C_CFATA_MUX_TRUEIDE 0x01
#define S3C_ATA_CFG_SWAP 0x40
#define S3C_ATA_CFG_IORDYEN 0x02
#endif /* __ASM_PLAT_REGS_ATA_H */