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

   1 /* linux/include/asm-arm/arch-s3c2410/regs-nand.h
   2  *
   3  * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
   4  *                    http://www.simtec.co.uk/products/SWLINUX/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * S3C2410 clock register definitions
  11  *
  12  *  Changelog:
  13  *    18-Aug-2004    BJD     Copied file from 2.4 and updated
  14 */
  15
  16 #ifndef __ASM_ARM_REGS_NAND
  17 #define __ASM_ARM_REGS_NAND "$Id: nand.h,v 1.3 2003/12/09 11:36:29 ben Exp $"
  18
  19
  20 #define S3C2410_NFREG(x) (x)
  21
  22 #define S3C2410_NFCONF  S3C2410_NFREG(0x00)
  23 #define S3C2410_NFCMD   S3C2410_NFREG(0x04)
  24 #define S3C2410_NFADDR  S3C2410_NFREG(0x08)
  25 #define S3C2410_NFDATA  S3C2410_NFREG(0x0C)
  26 #define S3C2410_NFSTAT  S3C2410_NFREG(0x10)
  27 #define S3C2410_NFECC   S3C2410_NFREG(0x14)
  28
  29 #define S3C2410_NFCONF_EN          (1<<15)
  30 #define S3C2410_NFCONF_512BYTE     (1<<14)
  31 #define S3C2410_NFCONF_4STEP       (1<<13)
  32 #define S3C2410_NFCONF_INITECC     (1<<12)
  33 #define S3C2410_NFCONF_nFCE        (1<<11)
  34 #define S3C2410_NFCONF_TACLS(x)    ((x)<<8)
  35 #define S3C2410_NFCONF_TWRPH0(x)   ((x)<<4)
  36 #define S3C2410_NFCONF_TWRPH1(x)   ((x)<<0)
  37
  38 #define S3C2410_NFSTAT_BUSY        (1<<0)
  39
  40 /* think ECC can only be 8bit read? */
  41
  42 #endif /* __ASM_ARM_REGS_NAND */
  43