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Commit a480167b authored by Viresh Kumar's avatar Viresh Kumar Committed by Jeff Garzik
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pata_arasan_cf: Adding support for arasan compact flash host controller 



The Arasan CompactFlash Device Controller has three basic modes of
operation: PC card ATA using I/O mode, PC card ATA using memory mode, PC card
ATA using true IDE modes.

Currently driver supports only True IDE mode.

Signed-off-by: default avatarViresh Kumar <viresh.kumar@st.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 64b97594

MAINTAINERS

+7 −0
Original line number Diff line number Diff line
@@ -557,6 +557,13 @@ S: Maintained 
F:	drivers/net/appletalk/

F:	net/appletalk/



ARASAN COMPACT FLASH PATA CONTROLLER

M:	Viresh Kumar <viresh.kumar@st.com>

L:	linux-ide@vger.kernel.org

S:	Maintained

F:	include/linux/pata_arasan_cf_data.h

F:	drivers/ata/pata_arasan_cf.c



ARC FRAMEBUFFER DRIVER

M:	Jaya Kumar <jayalk@intworks.biz>

S:	Maintained

drivers/ata/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -311,6 +311,12 @@ config PATA_AMD 


	  If unsure, say N.



config PATA_ARASAN_CF

	tristate "ARASAN CompactFlash PATA Controller Support"

	select DMA_ENGINE

	help

	  Say Y here to support the ARASAN CompactFlash PATA controller



config PATA_ARTOP

	tristate "ARTOP 6210/6260 PATA support"

	depends on PCI

drivers/ata/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ obj-$(CONFIG_SATA_DWC) += sata_dwc_460ex.o 


# SFF w/ custom DMA

obj-$(CONFIG_PDC_ADMA)		+= pdc_adma.o

obj-$(CONFIG_PATA_ARASAN_CF)	+= pata_arasan_cf.o

obj-$(CONFIG_PATA_OCTEON_CF)	+= pata_octeon_cf.o

obj-$(CONFIG_SATA_QSTOR)	+= sata_qstor.o

obj-$(CONFIG_SATA_SX4)		+= sata_sx4.o

drivers/ata/pata_arasan_cf.c

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+977 −0

File added.

Preview size limit exceeded, changes collapsed.

include/linux/pata_arasan_cf_data.h

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/*

 * include/linux/pata_arasan_cf_data.h

 *

 * Arasan Compact Flash host controller platform data header file

 *

 * Copyright (C) 2011 ST Microelectronics

 * Viresh Kumar <viresh.kumar@st.com>

 *

 * This file is licensed under the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */



#ifndef _PATA_ARASAN_CF_DATA_H

#define _PATA_ARASAN_CF_DATA_H



#include <linux/platform_device.h>



struct arasan_cf_pdata {

	u8 cf_if_clk;

	#define CF_IF_CLK_100M			(0x0)

	#define CF_IF_CLK_75M			(0x1)

	#define CF_IF_CLK_66M			(0x2)

	#define CF_IF_CLK_50M			(0x3)

	#define CF_IF_CLK_40M			(0x4)

	#define CF_IF_CLK_33M			(0x5)

	#define CF_IF_CLK_25M			(0x6)

	#define CF_IF_CLK_125M			(0x7)

	#define CF_IF_CLK_150M			(0x8)

	#define CF_IF_CLK_166M			(0x9)

	#define CF_IF_CLK_200M			(0xA)

	/*

	 * Platform specific incapabilities of CF controller is handled via

	 * quirks

	 */

	u32 quirk;

	#define CF_BROKEN_PIO			(1)

	#define CF_BROKEN_MWDMA			(1 << 1)

	#define CF_BROKEN_UDMA			(1 << 2)

};



static inline void

set_arasan_cf_pdata(struct platform_device *pdev, struct arasan_cf_pdata *data)

{

	pdev->dev.platform_data = data;

}

#endif /* _PATA_ARASAN_CF_DATA_H */