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root/include/asm-arm/plat-s3c/regs-nand.h

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/* arch/arm/mach-s3c2410/include/mach/regs-nand.h
 *
 * Copyright (c) 2004,2005 Simtec Electronics <linux@simtec.co.uk>
 *                    http://www.simtec.co.uk/products/SWLINUX/
 *
 * 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 NAND register definitions
*/

#ifndef __ASM_ARM_REGS_NAND
#define __ASM_ARM_REGS_NAND


#define S3C2410_NFREG(x) (x)

#define S3C2410_NFCONF  S3C2410_NFREG(0x00)
#define S3C2410_NFCMD   S3C2410_NFREG(0x04)
#define S3C2410_NFADDR  S3C2410_NFREG(0x08)
#define S3C2410_NFDATA  S3C2410_NFREG(0x0C)
#define S3C2410_NFSTAT  S3C2410_NFREG(0x10)
#define S3C2410_NFECC   S3C2410_NFREG(0x14)

#define S3C2440_NFCONT   S3C2410_NFREG(0x04)
#define S3C2440_NFCMD    S3C2410_NFREG(0x08)
#define S3C2440_NFADDR   S3C2410_NFREG(0x0C)
#define S3C2440_NFDATA   S3C2410_NFREG(0x10)
#define S3C2440_NFECCD0  S3C2410_NFREG(0x14)
#define S3C2440_NFECCD1  S3C2410_NFREG(0x18)
#define S3C2440_NFECCD   S3C2410_NFREG(0x1C)
#define S3C2440_NFSTAT   S3C2410_NFREG(0x20)
#define S3C2440_NFESTAT0 S3C2410_NFREG(0x24)
#define S3C2440_NFESTAT1 S3C2410_NFREG(0x28)
#define S3C2440_NFMECC0  S3C2410_NFREG(0x2C)
#define S3C2440_NFMECC1  S3C2410_NFREG(0x30)
#define S3C2440_NFSECC   S3C2410_NFREG(0x34)
#define S3C2440_NFSBLK   S3C2410_NFREG(0x38)
#define S3C2440_NFEBLK   S3C2410_NFREG(0x3C)

#define S3C2412_NFSBLK          S3C2410_NFREG(0x20)
#define S3C2412_NFEBLK          S3C2410_NFREG(0x24)
#define S3C2412_NFSTAT          S3C2410_NFREG(0x28)
#define S3C2412_NFMECC_ERR0     S3C2410_NFREG(0x2C)
#define S3C2412_NFMECC_ERR1     S3C2410_NFREG(0x30)
#define S3C2412_NFMECC0         S3C2410_NFREG(0x34)
#define S3C2412_NFMECC1         S3C2410_NFREG(0x38)
#define S3C2412_NFSECC          S3C2410_NFREG(0x3C)

#define S3C2410_NFCONF_EN          (1<<15)
#define S3C2410_NFCONF_512BYTE     (1<<14)
#define S3C2410_NFCONF_4STEP       (1<<13)
#define S3C2410_NFCONF_INITECC     (1<<12)
#define S3C2410_NFCONF_nFCE        (1<<11)
#define S3C2410_NFCONF_TACLS(x)    ((x)<<8)
#define S3C2410_NFCONF_TWRPH0(x)   ((x)<<4)
#define S3C2410_NFCONF_TWRPH1(x)   ((x)<<0)

#define S3C2410_NFSTAT_BUSY        (1<<0)

#define S3C2440_NFCONF_BUSWIDTH_8       (0<<0)
#define S3C2440_NFCONF_BUSWIDTH_16      (1<<0)
#define S3C2440_NFCONF_ADVFLASH         (1<<3)
#define S3C2440_NFCONF_TACLS(x)         ((x)<<12)
#define S3C2440_NFCONF_TWRPH0(x)        ((x)<<8)
#define S3C2440_NFCONF_TWRPH1(x)        ((x)<<4)

#define S3C2440_NFCONT_LOCKTIGHT        (1<<13)
#define S3C2440_NFCONT_SOFTLOCK         (1<<12)
#define S3C2440_NFCONT_ILLEGALACC_EN    (1<<10)
#define S3C2440_NFCONT_RNBINT_EN        (1<<9)
#define S3C2440_NFCONT_RN_FALLING       (1<<8)
#define S3C2440_NFCONT_SPARE_ECCLOCK    (1<<6)
#define S3C2440_NFCONT_MAIN_ECCLOCK     (1<<5)
#define S3C2440_NFCONT_INITECC          (1<<4)
#define S3C2440_NFCONT_nFCE             (1<<1)
#define S3C2440_NFCONT_ENABLE           (1<<0)

#define S3C2440_NFSTAT_READY            (1<<0)
#define S3C2440_NFSTAT_nCE              (1<<1)
#define S3C2440_NFSTAT_RnB_CHANGE       (1<<2)
#define S3C2440_NFSTAT_ILLEGAL_ACCESS   (1<<3)

#define S3C2412_NFCONF_NANDBOOT         (1<<31)
#define S3C2412_NFCONF_ECCCLKCON        (1<<30)
#define S3C2412_NFCONF_ECC_MLC          (1<<24)
#define S3C2412_NFCONF_TACLS_MASK       (7<<12) /* 1 extra bit of Tacls */

#define S3C2412_NFCONT_ECC4_DIRWR       (1<<18)
#define S3C2412_NFCONT_LOCKTIGHT        (1<<17)
#define S3C2412_NFCONT_SOFTLOCK         (1<<16)
#define S3C2412_NFCONT_ECC4_ENCINT      (1<<13)
#define S3C2412_NFCONT_ECC4_DECINT      (1<<12)
#define S3C2412_NFCONT_MAIN_ECC_LOCK    (1<<7)
#define S3C2412_NFCONT_INIT_MAIN_ECC    (1<<5)
#define S3C2412_NFCONT_nFCE1            (1<<2)
#define S3C2412_NFCONT_nFCE0            (1<<1)

#define S3C2412_NFSTAT_ECC_ENCDONE      (1<<7)
#define S3C2412_NFSTAT_ECC_DECDONE      (1<<6)
#define S3C2412_NFSTAT_ILLEGAL_ACCESS   (1<<5)
#define S3C2412_NFSTAT_RnB_CHANGE       (1<<4)
#define S3C2412_NFSTAT_nFCE1            (1<<3)
#define S3C2412_NFSTAT_nFCE0            (1<<2)
#define S3C2412_NFSTAT_Res1             (1<<1)
#define S3C2412_NFSTAT_READY            (1<<0)

#define S3C2412_NFECCERR_SERRDATA(x)    (((x) >> 21) & 0xf)
#define S3C2412_NFECCERR_SERRBIT(x)     (((x) >> 18) & 0x7)
#define S3C2412_NFECCERR_MERRDATA(x)    (((x) >> 7) & 0x3ff)
#define S3C2412_NFECCERR_MERRBIT(x)     (((x) >> 4) & 0x7)
#define S3C2412_NFECCERR_SPARE_ERR(x)   (((x) >> 2) & 0x3)
#define S3C2412_NFECCERR_MAIN_ERR(x)    (((x) >> 2) & 0x3)
#define S3C2412_NFECCERR_NONE           (0)
#define S3C2412_NFECCERR_1BIT           (1)
#define S3C2412_NFECCERR_MULTIBIT       (2)
#define S3C2412_NFECCERR_ECCAREA        (3)



#endif /* __ASM_ARM_REGS_NAND */


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