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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* linux/include/asm-arm/arch-s3c2410/regs-spi.h
2 *
3 * Copyright (c) 2004 Fetron GmbH
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * S3C2410 SPI register definition
Ben Dooks92e48052006-09-09 19:44:54 +010010*/
Linus Torvalds1da177e2005-04-16 15:20:36 -070011
12#ifndef __ASM_ARCH_REGS_SPI_H
13#define __ASM_ARCH_REGS_SPI_H
14
Sandeep Sanjay Patile9033822007-05-16 10:51:45 +010015#define S3C2410_SPI1 (0x20)
16#define S3C2412_SPI1 (0x100)
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
18#define S3C2410_SPCON (0x00)
19
20#define S3C2410_SPCON_SMOD_DMA (2<<5) /* DMA mode */
21#define S3C2410_SPCON_SMOD_INT (1<<5) /* interrupt mode */
22#define S3C2410_SPCON_SMOD_POLL (0<<5) /* polling mode */
23#define S3C2410_SPCON_ENSCK (1<<4) /* Enable SCK */
24#define S3C2410_SPCON_MSTR (1<<3) /* Master/Slave select
25 0: slave, 1: master */
26#define S3C2410_SPCON_CPOL_HIGH (1<<2) /* Clock polarity select */
27#define S3C2410_SPCON_CPOL_LOW (0<<2) /* Clock polarity select */
28
29#define S3C2410_SPCON_CPHA_FMTB (1<<1) /* Clock Phase Select */
30#define S3C2410_SPCON_CPHA_FMTA (0<<1) /* Clock Phase Select */
31
32#define S3C2410_SPCON_TAGD (1<<0) /* Tx auto garbage data mode */
33
34
35#define S3C2410_SPSTA (0x04)
36
37#define S3C2410_SPSTA_DCOL (1<<2) /* Data Collision Error */
38#define S3C2410_SPSTA_MULD (1<<1) /* Multi Master Error */
39#define S3C2410_SPSTA_READY (1<<0) /* Data Tx/Rx ready */
40
41
42#define S3C2410_SPPIN (0x08)
43
44#define S3C2410_SPPIN_ENMUL (1<<2) /* Multi Master Error detect */
45#define S3C2410_SPPIN_RESERVED (1<<1)
Lucas Correia Villa Realb7ebcc12005-04-25 18:40:31 +010046#define S3C2400_SPPIN_nCS (1<<1) /* SPI Card Select */
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#define S3C2410_SPPIN_KEEP (1<<0) /* Master Out keep */
48
49
50#define S3C2410_SPPRE (0x0C)
51#define S3C2410_SPTDAT (0x10)
52#define S3C2410_SPRDAT (0x14)
53
54#endif /* __ASM_ARCH_REGS_SPI_H */