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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>
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Abhilash Kesavan
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Kukjin Kim
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Aug 5, 2010
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| Original file line number | Diff line number | Diff line change |
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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. | ||
| */ | ||
|
|
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| #include <linux/kernel.h> | ||
| #include <linux/interrupt.h> | ||
| #include <linux/platform_device.h> | ||
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| #include <mach/map.h> | ||
| #include <plat/ata.h> | ||
| #include <plat/devs.h> | ||
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| 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, | ||
| }, | ||
| }; | ||
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| struct platform_device s3c_device_cfcon = { | ||
| .id = 0, | ||
| .num_resources = ARRAY_SIZE(s3c_cfcon_resource), | ||
| .resource = s3c_cfcon_resource, | ||
| }; | ||
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| void s3c_ide_set_platdata(struct s3c_ide_platdata *pdata) | ||
| { | ||
| s3c_set_platdata(pdata, sizeof(struct s3c_ide_platdata), | ||
| &s3c_device_cfcon); | ||
| } |
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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. | ||
| */ | ||
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| #ifndef __ASM_PLAT_ATA_CORE_H | ||
| #define __ASM_PLAT_ATA_CORE_H __FILE__ | ||
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| /* These functions are only for use with the core support code, such as | ||
| * the cpu specific initialisation code | ||
| */ | ||
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| /* 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 | ||
| } | ||
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| #endif /* __ASM_PLAT_ATA_CORE_H */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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. | ||
| */ | ||
|
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| #ifndef __ASM_PLAT_ATA_H | ||
| #define __ASM_PLAT_ATA_H __FILE__ | ||
|
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| /** | ||
| * 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); | ||
| }; | ||
|
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| /* | ||
| * 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); | ||
|
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| /* 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); | ||
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| #endif /*__ASM_PLAT_ATA_H */ |
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| Original file line number | Diff line number | Diff line change |
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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. | ||
| */ | ||
|
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| #ifndef __ASM_PLAT_REGS_ATA_H | ||
| #define __ASM_PLAT_REGS_ATA_H __FILE__ | ||
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| #define S3C_CFATA_REG(x) (x) | ||
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| #define S3C_CFATA_MUX S3C_CFATA_REG(0x0) | ||
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| #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) | ||
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| #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) | ||
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| #define S3C_CFATA_MUX_TRUEIDE 0x01 | ||
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| #define S3C_ATA_CFG_SWAP 0x40 | ||
| #define S3C_ATA_CFG_IORDYEN 0x02 | ||
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| #endif /* __ASM_PLAT_REGS_ATA_H */ |