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Diffstat (limited to 'include')
| -rw-r--r-- | include/flash.h | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/include/flash.h b/include/flash.h new file mode 100644 index 0000000..2ee58c4 --- /dev/null +++ b/include/flash.h @@ -0,0 +1,327 @@ +/* + * (C) Copyright 2000, 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _FLASH_H_ +#define _FLASH_H_ + +#ifndef CFG_NO_FLASH +/*----------------------------------------------------------------------- + * FLASH Info: contains chip specific data, per FLASH bank + */ + +typedef struct { + ulong size; /* total bank size in bytes */ + ushort sector_count; /* number of erase units */ + ulong flash_id; /* combined device & manufacturer code */ + ulong start[CFG_MAX_FLASH_SECT]; /* physical sector start addresses */ + uchar protect[CFG_MAX_FLASH_SECT]; /* sector protection status */ +#ifdef CFG_FLASH_CFI + uchar portwidth; /* the width of the port */ + uchar chipwidth; /* the width of the chip */ + ushort buffer_size; /* # of bytes in write buffer */ + ulong erase_blk_tout; /* maximum block erase timeout */ + ulong write_tout; /* maximum write timeout */ + ulong buffer_write_tout; /* maximum buffer write timeout */ + +#endif +} flash_info_t; + +/* + * Values for the width of the port + */ +#define FLASH_CFI_8BIT 0x01 +#define FLASH_CFI_16BIT 0x02 +#define FLASH_CFI_32BIT 0x04 +#define FLASH_CFI_64BIT 0x08 +/* + * Values for the width of the chip + */ +#define FLASH_CFI_BY8 0x01 +#define FLASH_CFI_BY16 0x02 +#define FLASH_CFI_BY32 0x04 +#define FLASH_CFI_BY64 0x08 + +/* Prototypes */ + +extern unsigned long flash_init (void); +extern void flash_print_info (flash_info_t *); +extern int flash_erase (flash_info_t *, int, int); +extern int flash_sect_erase (ulong addr_first, ulong addr_last); +extern int flash_sect_protect (int flag, ulong addr_first, ulong addr_last); + +/* common/flash.c */ +extern void flash_protect (int flag, ulong from, ulong to, flash_info_t *info); +extern int flash_write (uchar *, ulong, ulong); +extern flash_info_t *addr2info (ulong); +extern int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt); + +/* board/?/flash.c */ +#if defined(CFG_FLASH_PROTECTION) +extern int flash_real_protect(flash_info_t *info, long sector, int prot); +#endif /* CFG_FLASH_PROTECTION */ + +/*----------------------------------------------------------------------- + * return codes from flash_write(): + */ +#define ERR_OK 0 +#define ERR_TIMOUT 1 +#define ERR_NOT_ERASED 2 +#define ERR_PROTECTED 4 +#define ERR_INVAL 8 +#define ERR_ALIGN 16 +#define ERR_UNKNOWN_FLASH_VENDOR 32 +#define ERR_UNKNOWN_FLASH_TYPE 64 +#define ERR_PROG_ERROR 128 + +/*----------------------------------------------------------------------- + * Protection Flags for flash_protect(): + */ +#define FLAG_PROTECT_SET 0x01 +#define FLAG_PROTECT_CLEAR 0x02 + +/*----------------------------------------------------------------------- + * Device IDs + */ + +#define AMD_MANUFACT 0x00010001 /* AMD manuf. ID in D23..D16, D7..D0 */ +#define FUJ_MANUFACT 0x00040004 /* FUJITSU manuf. ID in D23..D16, D7..D0 */ +#define STM_MANUFACT 0x00200020 /* STM (Thomson) manuf. ID in D23.. -"- */ +#define SST_MANUFACT 0x00BF00BF /* SST manuf. ID in D23..D16, D7..D0 */ +#define MT_MANUFACT 0x00890089 /* MT manuf. ID in D23..D16, D7..D0 */ +#define INTEL_MANUFACT 0x00890089 /* INTEL manuf. ID in D23..D16, D7..D0 */ +#define INTEL_ALT_MANU 0x00B000B0 /* alternate INTEL namufacturer ID */ +#define MX_MANUFACT 0x00C200C2 /* MXIC manuf. ID in D23..D16, D7..D0 */ + + /* Micron Technologies (INTEL compat.) */ +#define MT_ID_28F400_T 0x44704470 /* 28F400B3 ID ( 4 M, top boot sector) */ +#define MT_ID_28F400_B 0x44714471 /* 28F400B3 ID ( 4 M, bottom boot sect) */ + +#define AMD_ID_LV040B 0x4F /* 29LV040B ID */ + /* 4 Mbit, 512K x 8, */ + /* 8 64K x 8 uniform sectors */ + +#define AMD_ID_F040B 0xA4 /* 29F040B ID */ + /* 4 Mbit, 512K x 8, */ + /* 8 64K x 8 uniform sectors */ +#define STM_ID_M29W040B 0xE3 /* M29W040B ID */ + /* 4 Mbit, 512K x 8, */ + /* 8 64K x 8 uniform sectors */ +#define AMD_ID_F080B 0xD5 /* 29F080 ID ( 1 M) */ +#define AMD_ID_F016D 0xAD /* 29F016 ID ( 2 M x 8) */ +#define AMD_ID_F032B 0x41 /* 29F032 ID ( 4 M x 8) */ +#define AMD_ID_LV116DT 0xC7 /* 29LV116DT ( 2 M x 8, top boot sect) */ + +#define AMD_ID_LV400T 0x22B922B9 /* 29LV400T ID ( 4 M, top boot sector) */ +#define AMD_ID_LV400B 0x22BA22BA /* 29LV400B ID ( 4 M, bottom boot sect) */ + +#define AMD_ID_LV033C 0xA3 /* 29LV033C ID ( 4M x 8 ) */ + +#define AMD_ID_LV800T 0x22DA22DA /* 29LV800T ID ( 8 M, top boot sector) */ +#define AMD_ID_LV800B 0x225B225B /* 29LV800B ID ( 8 M, bottom boot sect) */ + +#define AMD_ID_LV160T 0x22C422C4 /* 29LV160T ID (16 M, top boot sector) */ +#define AMD_ID_LV160B 0x22492249 /* 29LV160B ID (16 M, bottom boot sect) */ + +#define AMD_ID_LV320T 0x22F622F6 /* 29LV320T ID (32 M, top boot sector) */ +#define AMD_ID_LV320B 0x22F922F9 /* 29LV320B ID (32 M, bottom boot sect) */ + +#define AMD_ID_DL322T 0x22552255 /* 29DL322T ID (32 M, top boot sector) */ +#define AMD_ID_DL322B 0x22562256 /* 29DL322B ID (32 M, bottom boot sect) */ +#define AMD_ID_DL323T 0x22502250 /* 29DL323T ID (32 M, top boot sector) */ +#define AMD_ID_DL323B 0x22532253 /* 29DL323B ID (32 M, bottom boot sect) */ +#define AMD_ID_DL324T 0x225C225C /* 29DL324T ID (32 M, top boot sector) */ +#define AMD_ID_DL324B 0x225F225F /* 29DL324B ID (32 M, bottom boot sect) */ + +#define AMD_ID_DL640 0x227E227E /* 29DL640D ID (64 M, dual boot sectors)*/ +#define AMD_ID_LV640U 0x22D722D7 /* 29LV640U ID (64 M, uniform sectors) */ + +#define SST_ID_xF200A 0x27892789 /* 39xF200A ID ( 2M = 128K x 16 ) */ +#define SST_ID_xF400A 0x27802780 /* 39xF400A ID ( 4M = 256K x 16 ) */ +#define SST_ID_xF800A 0x27812781 /* 39xF800A ID ( 8M = 512K x 16 ) */ +#define SST_ID_xF160A 0x27822782 /* 39xF800A ID (16M = 1M x 16 ) */ + +#define STM_ID_F040B 0xE2 /* M29F040B ID ( 4M = 512K x 8 ) */ + /* 8 64K x 8 uniform sectors */ + +#define STM_ID_x800AB 0x005B005B /* M29W800AB ID (8M = 512K x 16 ) */ +#define STM_ID_29W320DT 0x22CA22CA /* M29W320DT ID (32 M, top boot sector) */ +#define STM_ID_29W320DB 0x22CB22CB /* M29W320DB ID (32 M, bottom boot sect) */ +#define STM_ID_29W040B 0x00E300E3 /* M29W040B ID (4M = 512K x 8) */ + +#define INTEL_ID_28F016S 0x66a066a0 /* 28F016S[VS] ID (16M = 512k x 16) */ +#define INTEL_ID_28F800B3T 0x88928892 /* 8M = 512K x 16 top boot sector */ +#define INTEL_ID_28F800B3B 0x88938893 /* 8M = 512K x 16 bottom boot sector */ +#define INTEL_ID_28F160B3T 0x88908890 /* 16M = 1M x 16 top boot sector */ +#define INTEL_ID_28F160B3B 0x88918891 /* 16M = 1M x 16 bottom boot sector */ +#define INTEL_ID_28F320B3T 0x88968896 /* 32M = 2M x 16 top boot sector */ +#define INTEL_ID_28F320B3B 0x88978897 /* 32M = 2M x 16 bottom boot sector */ +#define INTEL_ID_28F640B3T 0x88988898 /* 64M = 4M x 16 top boot sector */ +#define INTEL_ID_28F640B3B 0x88998899 /* 64M = 4M x 16 bottom boot sector */ +#define INTEL_ID_28F160F3B 0x88F488F4 /* 16M = 1M x 16 bottom boot sector */ + +#define INTEL_ID_28F800C3T 0x88C088C0 /* 8M = 512K x 16 top boot sector */ +#define INTEL_ID_28F800C3B 0x88C188C1 /* 8M = 512K x 16 bottom boot sector */ +#define INTEL_ID_28F160C3T 0x88C288C2 /* 16M = 1M x 16 top boot sector */ +#define INTEL_ID_28F160C3B 0x88C388C3 /* 16M = 1M x 16 bottom boot sector */ +#define INTEL_ID_28F320C3T 0x88C488C4 /* 32M = 2M x 16 top boot sector */ +#define INTEL_ID_28F320C3B 0x88C588C5 /* 32M = 2M x 16 bottom boot sector */ +#define INTEL_ID_28F640C3T 0x88CC88CC /* 64M = 4M x 16 top boot sector */ +#define INTEL_ID_28F640C3B 0x88CD88CD /* 64M = 4M x 16 bottom boot sector */ + +#define INTEL_ID_28F128J3 0x89189818 /* 16M = 8M x 16 x 128 */ +#define INTEL_ID_28F640J5 0x00150015 /* 64M = 128K x 64 */ +#define INTEL_ID_28F320J3A 0x00160016 /* 32M = 128K x 32 */ +#define INTEL_ID_28F640J3A 0x00170017 /* 64M = 128K x 64 */ +#define INTEL_ID_28F128J3A 0x00180018 /* 128M = 128K x 128 */ + +#define INTEL_ID_28F160S3 0x00D000D0 /* 16M = 512K x 32 (64kB x 32) */ +#define INTEL_ID_28F320S3 0x00D400D4 /* 32M = 512K x 64 (64kB x 64) */ + +/* Note that the Sharp 28F016SC is compatible with the Intel E28F016SC */ +#define SHARP_ID_28F016SCL 0xAAAAAAAA /* LH28F016SCT-L95 2Mx8, 32 64k blocks */ +#define SHARP_ID_28F016SCZ 0xA0A0A0A0 /* LH28F016SCT-Z4 2Mx8, 32 64k blocks */ +#define SHARP_ID_28F008SC 0xA6A6A6A6 /* LH28F008SCT-L12 1Mx8, 16 64k blocks */ + /* LH28F008SCR-L85 1Mx8, 16 64k blocks */ + +/*----------------------------------------------------------------------- + * Internal FLASH identification codes + * + * Be careful when adding new type! Odd numbers are "bottom boot sector" types! + */ + +#define FLASH_AM040 0x0001 /* AMD Am29F040B, Am29LV040B + * Bright Micro BM29F040 + * Fujitsu MBM29F040A + * STM M29W040B + * SGS Thomson M29F040B + * 8 64K x 8 uniform sectors + */ +#define FLASH_AM400T 0x0002 /* AMD AM29LV400 */ +#define FLASH_AM400B 0x0003 +#define FLASH_AM800T 0x0004 /* AMD AM29LV800 */ +#define FLASH_AM800B 0x0005 +#define FLASH_AM116DT 0x0026 /* AMD AM29LV116DT (2Mx8bit) */ +#define FLASH_AM160T 0x0006 /* AMD AM29LV160 */ +#define FLASH_AM160LV 0x0046 /* AMD29LV160DB (2M = 2Mx8bit ) */ +#define FLASH_AM160B 0x0007 +#define FLASH_AM320T 0x0008 /* AMD AM29LV320 */ +#define FLASH_AM320B 0x0009 + +#define FLASH_AMDL322T 0x0010 /* AMD AM29DL322 */ +#define FLASH_AMDL322B 0x0011 +#define FLASH_AMDL323T 0x0012 /* AMD AM29DL323 */ +#define FLASH_AMDL323B 0x0013 +#define FLASH_AMDL324T 0x0014 /* AMD AM29DL324 */ +#define FLASH_AMDL324B 0x0015 + +#define FLASH_AMDL640 0x0016 /* AMD AM29DL640D */ +#define FLASH_AMD016 0x0018 /* AMD AM29F016D */ + +#define FLASH_SST200A 0x0040 /* SST 39xF200A ID ( 2M = 128K x 16 ) */ +#define FLASH_SST400A 0x0042 /* SST 39xF400A ID ( 4M = 256K x 16 ) */ +#define FLASH_SST800A 0x0044 /* SST 39xF800A ID ( 8M = 512K x 16 ) */ +#define FLASH_SST160A 0x0046 /* SST 39xF160A ID ( 16M = 1M x 16 ) */ + +#define FLASH_STM800AB 0x0051 /* STM M29WF800AB ( 8M = 512K x 16 ) */ +#define FLASH_STMW320DT 0x0052 /* STM M29W320DT (32 M, top boot sector) */ +#define FLASH_STMW320DB 0x0053 /* STM M29W320DB (32 M, bottom boot sect)*/ +#define FLASH_STM320DB 0x00CB /* STM M29W320DB (4M = 64K x 64, bottom)*/ +#define FLASH_STM800DT 0x00D7 /* STM M29W800DT (1M = 64K x 16, top) */ +#define FLASH_STM800DB 0x005B /* STM M29W800DB (1M = 64K x 16, bottom)*/ + +#define FLASH_28F400_T 0x0062 /* MT 28F400B3 ID ( 4M = 256K x 16 ) */ +#define FLASH_28F400_B 0x0063 /* MT 28F400B3 ID ( 4M = 256K x 16 ) */ + +#define FLASH_INTEL800T 0x0074 /* INTEL 28F800B3T ( 8M = 512K x 16 ) */ +#define FLASH_INTEL800B 0x0075 /* INTEL 28F800B3B ( 8M = 512K x 16 ) */ +#define FLASH_INTEL160T 0x0076 /* INTEL 28F160B3T ( 16M = 1 M x 16 ) */ +#define FLASH_INTEL160B 0x0077 /* INTEL 28F160B3B ( 16M = 1 M x 16 ) */ +#define FLASH_INTEL320T 0x0078 /* INTEL 28F320B3T ( 32M = 2 M x 16 ) */ +#define FLASH_INTEL320B 0x0079 /* INTEL 28F320B3B ( 32M = 2 M x 16 ) */ +#define FLASH_INTEL640T 0x007A /* INTEL 28F320B3T ( 64M = 4 M x 16 ) */ +#define FLASH_INTEL640B 0x007B /* INTEL 28F320B3B ( 64M = 4 M x 16 ) */ + +#define FLASH_28F320J3A 0x007C /* INTEL 28F320J3A ( 32M = 128K x 32) */ +#define FLASH_28F640J3A 0x007D /* INTEL 28F640J3A ( 64M = 128K x 64) */ +#define FLASH_28F128J3A 0x007E /* INTEL 28F128J3A (128M = 128K x 128) */ + +#define FLASH_28F008S5 0x0080 /* Intel 28F008S5 ( 1M = 64K x 16 ) */ +#define FLASH_28F016SV 0x0081 /* Intel 28F016SV ( 16M = 512k x 32 ) */ +#define FLASH_28F800_B 0x0083 /* Intel E28F800B ( 1M = ? ) */ +#define FLASH_AM29F800B 0x0084 /* AMD Am29F800BB ( 1M = ? ) */ +#define FLASH_28F320J5 0x0085 /* Intel 28F320J5 ( 4M = 128K x 32 ) */ +#define FLASH_28F160S3 0x0086 /* Intel 28F160S3 ( 16M = 512K x 32 ) */ +#define FLASH_28F320S3 0x0088 /* Intel 28F320S3 ( 32M = 512K x 64 ) */ +#define FLASH_AM640U 0x0090 /* AMD Am29LV640U ( 64M = 4M x 16 ) */ +#define FLASH_AM033C 0x0091 /* AMD AM29LV033 ( 32M = 4M x 8 ) */ +#define FLASH_LH28F016SCT 0x0092 /* Sharp 28F016SCT ( 8 Meg Flash SIMM ) */ +#define FLASH_28F160F3B 0x0093 /* Intel 28F160F3B ( 16M = 1M x 16 ) */ + +#define FLASH_28F640J5 0x0099 /* INTEL 28F640J5 ( 64M = 128K x 64) */ + +#define FLASH_28F800C3T 0x009A /* Intel 28F800C3T ( 8M = 512K x 16 ) */ +#define FLASH_28F800C3B 0x009B /* Intel 28F800C3B ( 8M = 512K x 16 ) */ +#define FLASH_28F160C3T 0x009C /* Intel 28F160C3T ( 16M = 1M x 16 ) */ +#define FLASH_28F160C3B 0x009D /* Intel 28F160C3B ( 16M = 1M x 16 ) */ +#define FLASH_28F320C3T 0x009E /* Intel 28F320C3T ( 32M = 2M x 16 ) */ +#define FLASH_28F320C3B 0x009F /* Intel 28F320C3B ( 32M = 2M x 16 ) */ +#define FLASH_28F640C3T 0x00A0 /* Intel 28F640C3T ( 64M = 4M x 16 ) */ +#define FLASH_28F640C3B 0x00A1 /* Intel 28F640C3B ( 64M = 4M x 16 ) */ + +#define FLASH_UNKNOWN 0xFFFF /* unknown flash type */ + + +/* manufacturer offsets + */ +#define FLASH_MAN_AMD 0x00000000 /* AMD */ +#define FLASH_MAN_FUJ 0x00010000 /* Fujitsu */ +#define FLASH_MAN_BM 0x00020000 /* Bright Microelectronics */ +#define FLASH_MAN_MX 0x00030000 /* MXIC */ +#define FLASH_MAN_STM 0x00040000 +#define FLASH_MAN_SST 0x00100000 +#define FLASH_MAN_INTEL 0x00300000 +#define FLASH_MAN_MT 0x00400000 +#define FLASH_MAN_SHARP 0x00500000 + + +#define FLASH_TYPEMASK 0x0000FFFF /* extract FLASH type information */ +#define FLASH_VENDMASK 0xFFFF0000 /* extract FLASH vendor information */ + +#define FLASH_AMD_COMP 0x000FFFFF /* Up to this ID, FLASH is compatible */ + /* with AMD, Fujitsu and SST */ + /* (JEDEC standard commands ?) */ + +#define FLASH_BTYPE 0x0001 /* mask for bottom boot sector type */ + +/*----------------------------------------------------------------------- + * Timeout constants: + * + * We can't find any specifications for maximum chip erase times, + * so these values are guestimates. + */ +#define FLASH_ERASE_TIMEOUT 120000 /* timeout for erasing in ms */ +#define FLASH_WRITE_TIMEOUT 500 /* timeout for writes in ms */ + +#endif /* !CFG_NO_FLASH */ + +#endif /* _FLASH_H_ */ |