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[MTD] [NAND] TXx9: add NDFMC support

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Add platform support for NAND Flash Memory Controller of TXx9 SoCs.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-By: Ralf Bächle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Atsushi Nemoto
2009-03-04 12:01:31 -08:00
committed by David Woodhouse
parent fc371a25ea
commit a591f5d35e
8 changed files with 98 additions and 0 deletions
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30
arch/mips/include/asm/txx9/ndfmc.h Normal file
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@@ -0,0 +1,30 @@
/*
* 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.
*
* (C) Copyright TOSHIBA CORPORATION 2007
*/
#ifndef __ASM_TXX9_NDFMC_H
#define __ASM_TXX9_NDFMC_H
#define NDFMC_PLAT_FLAG_USE_BSPRT 0x01
#define NDFMC_PLAT_FLAG_NO_RSTR 0x02
#define NDFMC_PLAT_FLAG_HOLDADD 0x04
#define NDFMC_PLAT_FLAG_DUMMYWRITE 0x08
struct txx9ndfmc_platform_data {
unsigned int shift;
unsigned int gbus_clock;
unsigned int hold; /* hold time in nanosecond */
unsigned int spw; /* strobe pulse width in nanosecond */
unsigned int flags;
unsigned char ch_mask; /* available channel bitmask */
unsigned char wp_mask; /* write-protect bitmask */
unsigned char wide_mask; /* 16bit-nand bitmask */
};
void txx9_ndfmc_init(unsigned long baseaddr,
const struct txx9ndfmc_platform_data *plat_data);
#endif /* __ASM_TXX9_NDFMC_H */

1
arch/mips/include/asm/txx9/tx4938.h
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@@ -291,6 +291,7 @@ int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot);
void tx4938_setup_pcierr_irq(void);
void tx4938_irq_init(void);
void tx4938_mtd_init(int ch);
void tx4938_ndfmc_init(unsigned int hold, unsigned int spw);
struct tx4938ide_platform_info {
/*

2
arch/mips/include/asm/txx9/tx4939.h
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@@ -542,5 +542,7 @@ int tx4939_irq(void);
void tx4939_mtd_init(int ch);
void tx4939_ata_init(void);
void tx4939_rtc_init(void);
void tx4939_ndfmc_init(unsigned int hold, unsigned int spw,
unsigned char ch_mask, unsigned char wide_mask);
#endif /* __ASM_TXX9_TX4939_H */