1/* NAND flash interface register definitions 2 * 3 * Copyright (C) 2008-2009 Panasonic Corporation 4 * All Rights Reserved. 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16#ifndef _PROC_NAND_REGS_H_ 17#define _PROC_NAND_REGS_H_ 18 19/* command register */ 20#define FCOMMAND_0 __SYSREG(0xd8f00000, u8) /* fcommand[24:31] */ 21#define FCOMMAND_1 __SYSREG(0xd8f00001, u8) /* fcommand[16:23] */ 22#define FCOMMAND_2 __SYSREG(0xd8f00002, u8) /* fcommand[8:15] */ 23#define FCOMMAND_3 __SYSREG(0xd8f00003, u8) /* fcommand[0:7] */ 24 25/* for dma 16 byte trans, use FCOMMAND2 register */ 26#define FCOMMAND2_0 __SYSREG(0xd8f00110, u8) /* fcommand2[24:31] */ 27#define FCOMMAND2_1 __SYSREG(0xd8f00111, u8) /* fcommand2[16:23] */ 28#define FCOMMAND2_2 __SYSREG(0xd8f00112, u8) /* fcommand2[8:15] */ 29#define FCOMMAND2_3 __SYSREG(0xd8f00113, u8) /* fcommand2[0:7] */ 30 31#define FCOMMAND_FIEN 0x80 /* nand flash I/F enable */ 32#define FCOMMAND_BW_8BIT 0x00 /* 8bit bus width */ 33#define FCOMMAND_BW_16BIT 0x40 /* 16bit bus width */ 34#define FCOMMAND_BLOCKSZ_SMALL 0x00 /* small block */ 35#define FCOMMAND_BLOCKSZ_LARGE 0x20 /* large block */ 36#define FCOMMAND_DMASTART 0x10 /* dma start */ 37#define FCOMMAND_RYBY 0x08 /* ready/busy flag */ 38#define FCOMMAND_RYBYINTMSK 0x04 /* mask ready/busy interrupt */ 39#define FCOMMAND_XFWP 0x02 /* write protect enable */ 40#define FCOMMAND_XFCE 0x01 /* flash device disable */ 41#define FCOMMAND_SEQKILL 0x10 /* stop seq-read */ 42#define FCOMMAND_ANUM 0x07 /* address cycle */ 43#define FCOMMAND_ANUM_NONE 0x00 /* address cycle none */ 44#define FCOMMAND_ANUM_1CYC 0x01 /* address cycle 1cycle */ 45#define FCOMMAND_ANUM_2CYC 0x02 /* address cycle 2cycle */ 46#define FCOMMAND_ANUM_3CYC 0x03 /* address cycle 3cycle */ 47#define FCOMMAND_ANUM_4CYC 0x04 /* address cycle 4cycle */ 48#define FCOMMAND_ANUM_5CYC 0x05 /* address cycle 5cycle */ 49#define FCOMMAND_FCMD_READ0 0x00 /* read1 command */ 50#define FCOMMAND_FCMD_SEQIN 0x80 /* page program 1st command */ 51#define FCOMMAND_FCMD_PAGEPROG 0x10 /* page program 2nd command */ 52#define FCOMMAND_FCMD_RESET 0xff /* reset command */ 53#define FCOMMAND_FCMD_ERASE1 0x60 /* erase 1st command */ 54#define FCOMMAND_FCMD_ERASE2 0xd0 /* erase 2nd command */ 55#define FCOMMAND_FCMD_STATUS 0x70 /* read status command */ 56#define FCOMMAND_FCMD_READID 0x90 /* read id command */ 57#define FCOMMAND_FCMD_READOOB 0x50 /* read3 command */ 58/* address register */ 59#define FADD __SYSREG(0xd8f00004, u32) 60/* address register 2 */ 61#define FADD2 __SYSREG(0xd8f00008, u32) 62/* error judgement register */ 63#define FJUDGE __SYSREG(0xd8f0000c, u32) 64#define FJUDGE_NOERR 0x0 /* no error */ 65#define FJUDGE_1BITERR 0x1 /* 1bit error in data area */ 66#define FJUDGE_PARITYERR 0x2 /* parity error */ 67#define FJUDGE_UNCORRECTABLE 0x3 /* uncorrectable error */ 68#define FJUDGE_ERRJDG_MSK 0x3 /* mask of judgement result */ 69/* 1st ECC store register */ 70#define FECC11 __SYSREG(0xd8f00010, u32) 71/* 2nd ECC store register */ 72#define FECC12 __SYSREG(0xd8f00014, u32) 73/* 3rd ECC store register */ 74#define FECC21 __SYSREG(0xd8f00018, u32) 75/* 4th ECC store register */ 76#define FECC22 __SYSREG(0xd8f0001c, u32) 77/* 5th ECC store register */ 78#define FECC31 __SYSREG(0xd8f00020, u32) 79/* 6th ECC store register */ 80#define FECC32 __SYSREG(0xd8f00024, u32) 81/* 7th ECC store register */ 82#define FECC41 __SYSREG(0xd8f00028, u32) 83/* 8th ECC store register */ 84#define FECC42 __SYSREG(0xd8f0002c, u32) 85/* data register */ 86#define FDATA __SYSREG(0xd8f00030, u32) 87/* access pulse register */ 88#define FPWS __SYSREG(0xd8f00100, u32) 89#define FPWS_PWS1W_2CLK 0x00000000 /* write pulse width 1clock */ 90#define FPWS_PWS1W_3CLK 0x01000000 /* write pulse width 2clock */ 91#define FPWS_PWS1W_4CLK 0x02000000 /* write pulse width 4clock */ 92#define FPWS_PWS1W_5CLK 0x03000000 /* write pulse width 5clock */ 93#define FPWS_PWS1W_6CLK 0x04000000 /* write pulse width 6clock */ 94#define FPWS_PWS1W_7CLK 0x05000000 /* write pulse width 7clock */ 95#define FPWS_PWS1W_8CLK 0x06000000 /* write pulse width 8clock */ 96#define FPWS_PWS1R_3CLK 0x00010000 /* read pulse width 3clock */ 97#define FPWS_PWS1R_4CLK 0x00020000 /* read pulse width 4clock */ 98#define FPWS_PWS1R_5CLK 0x00030000 /* read pulse width 5clock */ 99#define FPWS_PWS1R_6CLK 0x00040000 /* read pulse width 6clock */ 100#define FPWS_PWS1R_7CLK 0x00050000 /* read pulse width 7clock */ 101#define FPWS_PWS1R_8CLK 0x00060000 /* read pulse width 8clock */ 102#define FPWS_PWS2W_2CLK 0x00000100 /* write pulse interval 2clock */ 103#define FPWS_PWS2W_3CLK 0x00000200 /* write pulse interval 3clock */ 104#define FPWS_PWS2W_4CLK 0x00000300 /* write pulse interval 4clock */ 105#define FPWS_PWS2W_5CLK 0x00000400 /* write pulse interval 5clock */ 106#define FPWS_PWS2W_6CLK 0x00000500 /* write pulse interval 6clock */ 107#define FPWS_PWS2R_2CLK 0x00000001 /* read pulse interval 2clock */ 108#define FPWS_PWS2R_3CLK 0x00000002 /* read pulse interval 3clock */ 109#define FPWS_PWS2R_4CLK 0x00000003 /* read pulse interval 4clock */ 110#define FPWS_PWS2R_5CLK 0x00000004 /* read pulse interval 5clock */ 111#define FPWS_PWS2R_6CLK 0x00000005 /* read pulse interval 6clock */ 112/* command register 2 */ 113#define FCOMMAND2 __SYSREG(0xd8f00110, u32) 114/* transfer frequency register */ 115#define FNUM __SYSREG(0xd8f00114, u32) 116#define FSDATA_ADDR 0xd8f00400 117/* active data register */ 118#define FSDATA __SYSREG(FSDATA_ADDR, u32) 119 120#endif /* _PROC_NAND_REGS_H_ */ 121