include/asm-arm/arch-s3c2410/regs-spi.h

   1 /* 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
  10  *
  11  *  Changelog:
  12  *    20-04-2004     KF      Created file
  13  *    04-10-2004     BJD     Removed VA address (no longer mapped)
  14  *                           tidied file for submission
  15  *    03-04-2005     LCVR    Added S3C2400_SPPIN_nCS definition
  16  */
  17
  18 #ifndef __ASM_ARCH_REGS_SPI_H
  19 #define __ASM_ARCH_REGS_SPI_H
  20
  21
  22 #define S3C2410_SPCON   (0x00)
  23
  24 #define S3C2410_SPCON_SMOD_DMA    (2<<5)        /* DMA mode */
  25 #define S3C2410_SPCON_SMOD_INT    (1<<5)        /* interrupt mode */
  26 #define S3C2410_SPCON_SMOD_POLL   (0<<5)        /* polling mode */
  27 #define S3C2410_SPCON_ENSCK       (1<<4)        /* Enable SCK */
  28 #define S3C2410_SPCON_MSTR        (1<<3)        /* Master/Slave select
  29                                                    0: slave, 1: master */
  30 #define S3C2410_SPCON_CPOL_HIGH   (1<<2)        /* Clock polarity select */
  31 #define S3C2410_SPCON_CPOL_LOW    (0<<2)        /* Clock polarity select */
  32
  33 #define S3C2410_SPCON_CPHA_FMTB   (1<<1)        /* Clock Phase Select */
  34 #define S3C2410_SPCON_CPHA_FMTA   (0<<1)        /* Clock Phase Select */
  35
  36 #define S3C2410_SPCON_TAGD        (1<<0)        /* Tx auto garbage data mode */
  37
  38
  39 #define S3C2410_SPSTA    (0x04)
  40
  41 #define S3C2410_SPSTA_DCOL        (1<<2)        /* Data Collision Error */
  42 #define S3C2410_SPSTA_MULD        (1<<1)        /* Multi Master Error */
  43 #define S3C2410_SPSTA_READY       (1<<0)        /* Data Tx/Rx ready */
  44
  45
  46 #define S3C2410_SPPIN    (0x08)
  47
  48 #define S3C2410_SPPIN_ENMUL       (1<<2)        /* Multi Master Error detect */
  49 #define S3C2410_SPPIN_RESERVED    (1<<1)
  50 #define S3C2400_SPPIN_nCS         (1<<1)        /* SPI Card Select */
  51 #define S3C2410_SPPIN_KEEP        (1<<0)        /* Master Out keep */
  52
  53
  54 #define S3C2410_SPPRE    (0x0C)
  55 #define S3C2410_SPTDAT   (0x10)
  56 #define S3C2410_SPRDAT   (0x14)
  57
  58 #endif /* __ASM_ARCH_REGS_SPI_H */