linux/include/asm-arm/arch-s3c2410/regs-spi.h
Lucas Correia Villa Real b7ebcc108a [PATCH] ARM: 2641/1: Adds S3C2400_SPPIN_nCS to arch-s3c2410/regs-spi.h
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
2005-04-25 18:40:31 +01:00

58 lines
1.9 KiB
C

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