b7ebcc108a
Patch from Lucas Correia Villa Real Adds a define to the SPI Card Select bit on the S3C2400 into include/asm-arm/arch-s3c2410/regs-spi.h Signed-off-by: Lucas Correia Villa Real Signed-off-by: Russell King
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/* linux/include/asm-arm/arch-s3c2410/regs-spi.h
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*
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* Copyright (c) 2004 Fetron GmbH
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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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* S3C2410 SPI register definition
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*
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* Changelog:
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* 20-04-2004 KF Created file
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* 04-10-2004 BJD Removed VA address (no longer mapped)
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* tidied file for submission
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* 03-04-2005 LCVR Added S3C2400_SPPIN_nCS definition
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*/
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#ifndef __ASM_ARCH_REGS_SPI_H
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#define __ASM_ARCH_REGS_SPI_H
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#define S3C2410_SPCON (0x00)
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#define S3C2410_SPCON_SMOD_DMA (2<<5) /* DMA mode */
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#define S3C2410_SPCON_SMOD_INT (1<<5) /* interrupt mode */
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#define S3C2410_SPCON_SMOD_POLL (0<<5) /* polling mode */
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#define S3C2410_SPCON_ENSCK (1<<4) /* Enable SCK */
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#define S3C2410_SPCON_MSTR (1<<3) /* Master/Slave select
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0: slave, 1: master */
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#define S3C2410_SPCON_CPOL_HIGH (1<<2) /* Clock polarity select */
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#define S3C2410_SPCON_CPOL_LOW (0<<2) /* Clock polarity select */
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#define S3C2410_SPCON_CPHA_FMTB (1<<1) /* Clock Phase Select */
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#define S3C2410_SPCON_CPHA_FMTA (0<<1) /* Clock Phase Select */
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#define S3C2410_SPCON_TAGD (1<<0) /* Tx auto garbage data mode */
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#define S3C2410_SPSTA (0x04)
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#define S3C2410_SPSTA_DCOL (1<<2) /* Data Collision Error */
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#define S3C2410_SPSTA_MULD (1<<1) /* Multi Master Error */
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#define S3C2410_SPSTA_READY (1<<0) /* Data Tx/Rx ready */
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#define S3C2410_SPPIN (0x08)
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#define S3C2410_SPPIN_ENMUL (1<<2) /* Multi Master Error detect */
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#define S3C2410_SPPIN_RESERVED (1<<1)
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#define S3C2400_SPPIN_nCS (1<<1) /* SPI Card Select */
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#define S3C2410_SPPIN_KEEP (1<<0) /* Master Out keep */
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#define S3C2410_SPPRE (0x0C)
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#define S3C2410_SPTDAT (0x10)
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#define S3C2410_SPRDAT (0x14)
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#endif /* __ASM_ARCH_REGS_SPI_H */
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