1 /* arch/arm/plat-samsung/include/plat/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
10 */
11 
12 #ifndef __ASM_ARCH_REGS_SPI_H
13 #define __ASM_ARCH_REGS_SPI_H
14 
15 #define S3C2410_SPI1		(0x20)
16 #define S3C2412_SPI1		(0x100)
17 
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:1, Slave:0 select */
25 #define S3C2410_SPCON_CPOL_HIGH	(1 << 2)	/* Clock polarity select */
26 #define S3C2410_SPCON_CPOL_LOW	(0 << 2)	/* Clock polarity select */
27 
28 #define S3C2410_SPCON_CPHA_FMTB	(1 << 1)	/* Clock Phase Select */
29 #define S3C2410_SPCON_CPHA_FMTA	(0 << 1)	/* Clock Phase Select */
30 
31 #define S3C2410_SPSTA		(0x04)
32 
33 #define S3C2410_SPSTA_DCOL	(1 << 2)	/* Data Collision Error */
34 #define S3C2410_SPSTA_MULD	(1 << 1)	/* Multi Master Error */
35 #define S3C2410_SPSTA_READY	(1 << 0)	/* Data Tx/Rx ready */
36 #define S3C2412_SPSTA_READY_ORG	(1 << 3)
37 
38 #define S3C2410_SPPIN		(0x08)
39 
40 #define S3C2410_SPPIN_ENMUL	(1 << 2)	/* Multi Master Error detect */
41 #define S3C2410_SPPIN_RESERVED	(1 << 1)
42 #define S3C2410_SPPIN_KEEP	(1 << 0)	/* Master Out keep */
43 
44 #define S3C2410_SPPRE		(0x0C)
45 #define S3C2410_SPTDAT		(0x10)
46 #define S3C2410_SPRDAT		(0x14)
47 
48 #endif /* __ASM_ARCH_REGS_SPI_H */
49