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| File: [Development] / linux-2.6-xfs / arch / m32r / drivers / Attic / m5.h (download)
Revision 1.1, Fri Oct 1 15:10:15 2004 UTC (13 years ago) by nathans.longdrop.melbourne.sgi.com
Upgrade kernel to 2.6.9-rc3 and kdb to 4.4 Merge of 2.6.x-xfs-melb:linux:19628a by kenmcd. |
/* * Flash Memory Driver for M32700UT-CPU * * Copyright 2003 (C) Takeo Takahashi * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * 2003-02-01: Takeo Takahashi, support M5M29GT320VP. */ #include <asm/m32r.h> #ifdef __KERNEL__ #undef DEBUG /* debug routine: * 0x00000001: print debug information */ # define DEBUG(n, args...) if ((n) & debug) \ printk(KERN_DEBUG args) #endif /* __KERNEL__ */ /* * data type to access flash memory */ typedef volatile unsigned short m5_t; /* * - Page program buffer size in byte * - block size in byte * - number of block */ #define M5_PAGE_SIZE (256) #define M5_BLOCK_SIZE8 (8*1024) #define M5_BLOCK_SIZE64 (64*1024) #define MAX_BLOCK_NUM 70 /* * Software commands */ #define M5_CMD_READ_ARRAY 0xff #define M5_CMD_DEVICE_IDENT 0x90 #define M5_CMD_READ_STATUS 0x70 #define M5_CMD_CLEAR_STATUS 0x50 #define M5_CMD_BLOCK_ERASE 0x20 #define M5_CMD_CONFIRM 0xd0 #define M5_CMD_PROGRAM_BYTE 0x40 #define M5_CMD_PROGRAM_WORD M5_CMD_PROGRAM_BYTE #define M5_CMD_PROGRAM_PAGE 0x41 #define M5_CMD_SINGLE_LOAD_DATA 0x74 #define M5_CMD_BUFF2FLASH 0x0e #define M5_CMD_FLASH2BUFF 0xf1 #define M5_CMD_CLEAR_BUFF 0x55 #define M5_CMD_SUSPEND 0xb0 #define M5_CMD_RESUME 0xd0 /* * Status */ #define M5_STATUS_READY 0x80 /* 0:busy 1:ready */ #define M5_STATUS_SUSPEND 0x40 /* 0:progress/complete 1:suspend */ #define M5_STATUS_ERASE 0x20 /* 0:pass 1:error */ #define M5_STATUS_PROGRAM 0x10 /* 0:pass 1:error */ #define M5_STATUS_BLOCK 0x08 /* 0:pass 1:error */ /* * Device Code */ #define M5_MAKER (0x1c) #define M5_M5M29GT320VP (0x20) #define M5_M5M29GB320VP (0x21)