| /* |
| Common Flash Interface probe code. |
| (C) 2000 Red Hat. GPL'd. |
| $Id: jedec_probe.c,v 1.66 2005/11/07 11:14:23 gleixner Exp $ |
| See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5) |
| for the standard this probe goes back to. |
| |
| Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com |
| */ |
| |
| #include <linux/config.h> |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/types.h> |
| #include <linux/kernel.h> |
| #include <asm/io.h> |
| #include <asm/byteorder.h> |
| #include <linux/errno.h> |
| #include <linux/slab.h> |
| #include <linux/interrupt.h> |
| #include <linux/init.h> |
| |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/map.h> |
| #include <linux/mtd/cfi.h> |
| #include <linux/mtd/gen_probe.h> |
| |
| /* Manufacturers */ |
| #define MANUFACTURER_AMD 0x0001 |
| #define MANUFACTURER_ATMEL 0x001f |
| #define MANUFACTURER_FUJITSU 0x0004 |
| #define MANUFACTURER_HYUNDAI 0x00AD |
| #define MANUFACTURER_INTEL 0x0089 |
| #define MANUFACTURER_MACRONIX 0x00C2 |
| #define MANUFACTURER_NEC 0x0010 |
| #define MANUFACTURER_PMC 0x009D |
| #define MANUFACTURER_SHARP 0x00b0 |
| #define MANUFACTURER_SST 0x00BF |
| #define MANUFACTURER_ST 0x0020 |
| #define MANUFACTURER_TOSHIBA 0x0098 |
| #define MANUFACTURER_WINBOND 0x00da |
| |
| |
| /* AMD */ |
| #define AM29DL800BB 0x22C8 |
| #define AM29DL800BT 0x224A |
| |
| #define AM29F800BB 0x2258 |
| #define AM29F800BT 0x22D6 |
| #define AM29LV400BB 0x22BA |
| #define AM29LV400BT 0x22B9 |
| #define AM29LV800BB 0x225B |
| #define AM29LV800BT 0x22DA |
| #define AM29LV160DT 0x22C4 |
| #define AM29LV160DB 0x2249 |
| #define AM29F017D 0x003D |
| #define AM29F016D 0x00AD |
| #define AM29F080 0x00D5 |
| #define AM29F040 0x00A4 |
| #define AM29LV040B 0x004F |
| #define AM29F032B 0x0041 |
| #define AM29F002T 0x00B0 |
| |
| /* Atmel */ |
| #define AT49BV512 0x0003 |
| #define AT29LV512 0x003d |
| #define AT49BV16X 0x00C0 |
| #define AT49BV16XT 0x00C2 |
| #define AT49BV32X 0x00C8 |
| #define AT49BV32XT 0x00C9 |
| |
| /* Fujitsu */ |
| #define MBM29F040C 0x00A4 |
| #define MBM29LV650UE 0x22D7 |
| #define MBM29LV320TE 0x22F6 |
| #define MBM29LV320BE 0x22F9 |
| #define MBM29LV160TE 0x22C4 |
| #define MBM29LV160BE 0x2249 |
| #define MBM29LV800BA 0x225B |
| #define MBM29LV800TA 0x22DA |
| #define MBM29LV400TC 0x22B9 |
| #define MBM29LV400BC 0x22BA |
| |
| /* Hyundai */ |
| #define HY29F002T 0x00B0 |
| |
| /* Intel */ |
| #define I28F004B3T 0x00d4 |
| #define I28F004B3B 0x00d5 |
| #define I28F400B3T 0x8894 |
| #define I28F400B3B 0x8895 |
| #define I28F008S5 0x00a6 |
| #define I28F016S5 0x00a0 |
| #define I28F008SA 0x00a2 |
| #define I28F008B3T 0x00d2 |
| #define I28F008B3B 0x00d3 |
| #define I28F800B3T 0x8892 |
| #define I28F800B3B 0x8893 |
| #define I28F016S3 0x00aa |
| #define I28F016B3T 0x00d0 |
| #define I28F016B3B 0x00d1 |
| #define I28F160B3T 0x8890 |
| #define I28F160B3B 0x8891 |
| #define I28F320B3T 0x8896 |
| #define I28F320B3B 0x8897 |
| #define I28F640B3T 0x8898 |
| #define I28F640B3B 0x8899 |
| #define I82802AB 0x00ad |
| #define I82802AC 0x00ac |
| |
| /* Macronix */ |
| #define MX29LV040C 0x004F |
| #define MX29LV160T 0x22C4 |
| #define MX29LV160B 0x2249 |
| #define MX29F016 0x00AD |
| #define MX29F002T 0x00B0 |
| #define MX29F004T 0x0045 |
| #define MX29F004B 0x0046 |
| |
| /* NEC */ |
| #define UPD29F064115 0x221C |
| |
| /* PMC */ |
| #define PM49FL002 0x006D |
| #define PM49FL004 0x006E |
| #define PM49FL008 0x006A |
| |
| /* Sharp */ |
| #define LH28F640BF 0x00b0 |
| |
| /* ST - www.st.com */ |
| #define M29W800DT 0x00D7 |
| #define M29W800DB 0x005B |
| #define M29W160DT 0x22C4 |
| #define M29W160DB 0x2249 |
| #define M29W040B 0x00E3 |
| #define M50FW040 0x002C |
| #define M50FW080 0x002D |
| #define M50FW016 0x002E |
| #define M50LPW080 0x002F |
| |
| /* SST */ |
| #define SST29EE020 0x0010 |
| #define SST29LE020 0x0012 |
| #define SST29EE512 0x005d |
| #define SST29LE512 0x003d |
| #define SST39LF800 0x2781 |
| #define SST39LF160 0x2782 |
| #define SST39VF1601 0x234b |
| #define SST39LF512 0x00D4 |
| #define SST39LF010 0x00D5 |
| #define SST39LF020 0x00D6 |
| #define SST39LF040 0x00D7 |
| #define SST39SF010A 0x00B5 |
| #define SST39SF020A 0x00B6 |
| #define SST49LF004B 0x0060 |
| #define SST49LF008A 0x005a |
| #define SST49LF030A 0x001C |
| #define SST49LF040A 0x0051 |
| #define SST49LF080A 0x005B |
| |
| /* Toshiba */ |
| #define TC58FVT160 0x00C2 |
| #define TC58FVB160 0x0043 |
| #define TC58FVT321 0x009A |
| #define TC58FVB321 0x009C |
| #define TC58FVT641 0x0093 |
| #define TC58FVB641 0x0095 |
| |
| /* Winbond */ |
| #define W49V002A 0x00b0 |
| |
| |
| /* |
| * Unlock address sets for AMD command sets. |
| * Intel command sets use the MTD_UADDR_UNNECESSARY. |
| * Each identifier, except MTD_UADDR_UNNECESSARY, and |
| * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[]. |
| * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure |
| * initialization need not require initializing all of the |
| * unlock addresses for all bit widths. |
| */ |
| enum uaddr { |
| MTD_UADDR_NOT_SUPPORTED = 0, /* data width not supported */ |
| MTD_UADDR_0x0555_0x02AA, |
| MTD_UADDR_0x0555_0x0AAA, |
| MTD_UADDR_0x5555_0x2AAA, |
| MTD_UADDR_0x0AAA_0x0555, |
| MTD_UADDR_DONT_CARE, /* Requires an arbitrary address */ |
| MTD_UADDR_UNNECESSARY, /* Does not require any address */ |
| }; |
| |
| |
| struct unlock_addr { |
| u32 addr1; |
| u32 addr2; |
| }; |
| |
| |
| /* |
| * I don't like the fact that the first entry in unlock_addrs[] |
| * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore, |
| * should not be used. The problem is that structures with |
| * initializers have extra fields initialized to 0. It is _very_ |
| * desireable to have the unlock address entries for unsupported |
| * data widths automatically initialized - that means that |
| * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here |
| * must go unused. |
| */ |
| static const struct unlock_addr unlock_addrs[] = { |
| [MTD_UADDR_NOT_SUPPORTED] = { |
| .addr1 = 0xffff, |
| .addr2 = 0xffff |
| }, |
| |
| [MTD_UADDR_0x0555_0x02AA] = { |
| .addr1 = 0x0555, |
| .addr2 = 0x02aa |
| }, |
| |
| [MTD_UADDR_0x0555_0x0AAA] = { |
| .addr1 = 0x0555, |
| .addr2 = 0x0aaa |
| }, |
| |
| [MTD_UADDR_0x5555_0x2AAA] = { |
| .addr1 = 0x5555, |
| .addr2 = 0x2aaa |
| }, |
| |
| [MTD_UADDR_0x0AAA_0x0555] = { |
| .addr1 = 0x0AAA, |
| .addr2 = 0x0555 |
| }, |
| |
| [MTD_UADDR_DONT_CARE] = { |
| .addr1 = 0x0000, /* Doesn't matter which address */ |
| .addr2 = 0x0000 /* is used - must be last entry */ |
| }, |
| |
| [MTD_UADDR_UNNECESSARY] = { |
| .addr1 = 0x0000, |
| .addr2 = 0x0000 |
| } |
| }; |
| |
| |
| struct amd_flash_info { |
| const __u16 mfr_id; |
| const __u16 dev_id; |
| const char *name; |
| const int DevSize; |
| const int NumEraseRegions; |
| const int CmdSet; |
| const __u8 uaddr[4]; /* unlock addrs for 8, 16, 32, 64 */ |
| const ulong regions[6]; |
| }; |
| |
| #define ERASEINFO(size,blocks) (size<<8)|(blocks-1) |
| |
| #define SIZE_64KiB 16 |
| #define SIZE_128KiB 17 |
| #define SIZE_256KiB 18 |
| #define SIZE_512KiB 19 |
| #define SIZE_1MiB 20 |
| #define SIZE_2MiB 21 |
| #define SIZE_4MiB 22 |
| #define SIZE_8MiB 23 |
| |
| |
| /* |
| * Please keep this list ordered by manufacturer! |
| * Fortunately, the list isn't searched often and so a |
| * slow, linear search isn't so bad. |
| */ |
| static const struct amd_flash_info jedec_table[] = { |
| { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29F032B, |
| .name = "AMD AM29F032B", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,64) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29LV160DT, |
| .name = "AMD AM29LV160DT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,31), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29LV160DB, |
| .name = "AMD AM29LV160DB", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,31) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29LV400BB, |
| .name = "AMD AM29LV400BB", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,7) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29LV400BT, |
| .name = "AMD AM29LV400BT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,7), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29LV800BB, |
| .name = "AMD AM29LV800BB", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,15), |
| } |
| }, { |
| /* add DL */ |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29DL800BB, |
| .name = "AMD AM29DL800BB", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 6, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,4), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x10000,14) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29DL800BT, |
| .name = "AMD AM29DL800BT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 6, |
| .regions = { |
| ERASEINFO(0x10000,14), |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,4), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29F800BB, |
| .name = "AMD AM29F800BB", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,15), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29LV800BT, |
| .name = "AMD AM29LV800BT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,15), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29F800BT, |
| .name = "AMD AM29F800BT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,15), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29F017D, |
| .name = "AMD AM29F017D", |
| .uaddr = { |
| [0] = MTD_UADDR_DONT_CARE /* x8 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,32), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29F016D, |
| .name = "AMD AM29F016D", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,32), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29F080, |
| .name = "AMD AM29F080", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,16), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29F040, |
| .name = "AMD AM29F040", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29LV040B, |
| .name = "AMD AM29LV040B", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_AMD, |
| .dev_id = AM29F002T, |
| .name = "AMD AM29F002T", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,3), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ATMEL, |
| .dev_id = AT49BV512, |
| .name = "Atmel AT49BV512", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_64KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ATMEL, |
| .dev_id = AT29LV512, |
| .name = "Atmel AT29LV512", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_64KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x80,256), |
| ERASEINFO(0x80,256) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ATMEL, |
| .dev_id = AT49BV16X, |
| .name = "Atmel AT49BV16X", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000,8), |
| ERASEINFO(0x10000,31) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ATMEL, |
| .dev_id = AT49BV16XT, |
| .name = "Atmel AT49BV16XT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000,31), |
| ERASEINFO(0x02000,8) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ATMEL, |
| .dev_id = AT49BV32X, |
| .name = "Atmel AT49BV32X", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000,8), |
| ERASEINFO(0x10000,63) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ATMEL, |
| .dev_id = AT49BV32XT, |
| .name = "Atmel AT49BV32XT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000,63), |
| ERASEINFO(0x02000,8) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29F040C, |
| .name = "Fujitsu MBM29F040C", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,8) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV650UE, |
| .name = "Fujitsu MBM29LV650UE", |
| .uaddr = { |
| [0] = MTD_UADDR_DONT_CARE /* x16 */ |
| }, |
| .DevSize = SIZE_8MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,128) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV320TE, |
| .name = "Fujitsu MBM29LV320TE", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000,63), |
| ERASEINFO(0x02000,8) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV320BE, |
| .name = "Fujitsu MBM29LV320BE", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000,8), |
| ERASEINFO(0x10000,63) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV160TE, |
| .name = "Fujitsu MBM29LV160TE", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,31), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV160BE, |
| .name = "Fujitsu MBM29LV160BE", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,31) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV800BA, |
| .name = "Fujitsu MBM29LV800BA", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,15) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV800TA, |
| .name = "Fujitsu MBM29LV800TA", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,15), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV400BC, |
| .name = "Fujitsu MBM29LV400BC", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,7) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_FUJITSU, |
| .dev_id = MBM29LV400TC, |
| .name = "Fujitsu MBM29LV400TC", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,7), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_HYUNDAI, |
| .dev_id = HY29F002T, |
| .name = "Hyundai HY29F002T", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,3), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F004B3B, |
| .name = "Intel 28F004B3B", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000, 8), |
| ERASEINFO(0x10000, 7), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F004B3T, |
| .name = "Intel 28F004B3T", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000, 7), |
| ERASEINFO(0x02000, 8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F400B3B, |
| .name = "Intel 28F400B3B", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000, 8), |
| ERASEINFO(0x10000, 7), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F400B3T, |
| .name = "Intel 28F400B3T", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000, 7), |
| ERASEINFO(0x02000, 8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F008B3B, |
| .name = "Intel 28F008B3B", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000, 8), |
| ERASEINFO(0x10000, 15), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F008B3T, |
| .name = "Intel 28F008B3T", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000, 15), |
| ERASEINFO(0x02000, 8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F008S5, |
| .name = "Intel 28F008S5", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_EXT, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,16), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F016S5, |
| .name = "Intel 28F016S5", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_INTEL_EXT, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,32), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F008SA, |
| .name = "Intel 28F008SA", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000, 16), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F800B3B, |
| .name = "Intel 28F800B3B", |
| .uaddr = { |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000, 8), |
| ERASEINFO(0x10000, 15), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F800B3T, |
| .name = "Intel 28F800B3T", |
| .uaddr = { |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000, 15), |
| ERASEINFO(0x02000, 8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F016B3B, |
| .name = "Intel 28F016B3B", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000, 8), |
| ERASEINFO(0x10000, 31), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F016S3, |
| .name = "Intel I28F016S3", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000, 32), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F016B3T, |
| .name = "Intel 28F016B3T", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000, 31), |
| ERASEINFO(0x02000, 8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F160B3B, |
| .name = "Intel 28F160B3B", |
| .uaddr = { |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000, 8), |
| ERASEINFO(0x10000, 31), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F160B3T, |
| .name = "Intel 28F160B3T", |
| .uaddr = { |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000, 31), |
| ERASEINFO(0x02000, 8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F320B3B, |
| .name = "Intel 28F320B3B", |
| .uaddr = { |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000, 8), |
| ERASEINFO(0x10000, 63), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F320B3T, |
| .name = "Intel 28F320B3T", |
| .uaddr = { |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000, 63), |
| ERASEINFO(0x02000, 8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F640B3B, |
| .name = "Intel 28F640B3B", |
| .uaddr = { |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_8MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000, 8), |
| ERASEINFO(0x10000, 127), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I28F640B3T, |
| .name = "Intel 28F640B3T", |
| .uaddr = { |
| [1] = MTD_UADDR_UNNECESSARY, /* x16 */ |
| }, |
| .DevSize = SIZE_8MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000, 127), |
| ERASEINFO(0x02000, 8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I82802AB, |
| .name = "Intel 82802AB", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_INTEL_EXT, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_INTEL, |
| .dev_id = I82802AC, |
| .name = "Intel 82802AC", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_EXT, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,16), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_MACRONIX, |
| .dev_id = MX29LV040C, |
| .name = "Macronix MX29LV040C", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_MACRONIX, |
| .dev_id = MX29LV160T, |
| .name = "MXIC MX29LV160T", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,31), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_NEC, |
| .dev_id = UPD29F064115, |
| .name = "NEC uPD29F064115", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_8MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 3, |
| .regions = { |
| ERASEINFO(0x2000,8), |
| ERASEINFO(0x10000,126), |
| ERASEINFO(0x2000,8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_MACRONIX, |
| .dev_id = MX29LV160B, |
| .name = "MXIC MX29LV160B", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,31) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_MACRONIX, |
| .dev_id = MX29F016, |
| .name = "Macronix MX29F016", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,32), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_MACRONIX, |
| .dev_id = MX29F004T, |
| .name = "Macronix MX29F004T", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,7), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_MACRONIX, |
| .dev_id = MX29F004B, |
| .name = "Macronix MX29F004B", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,7), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_MACRONIX, |
| .dev_id = MX29F002T, |
| .name = "Macronix MX29F002T", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,3), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_PMC, |
| .dev_id = PM49FL002, |
| .name = "PMC Pm49FL002", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO( 0x01000, 64 ) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_PMC, |
| .dev_id = PM49FL004, |
| .name = "PMC Pm49FL004", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO( 0x01000, 128 ) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_PMC, |
| .dev_id = PM49FL008, |
| .name = "PMC Pm49FL008", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO( 0x01000, 256 ) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SHARP, |
| .dev_id = LH28F640BF, |
| .name = "LH28F640BF", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_INTEL_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x40000,16), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST39LF512, |
| .name = "SST 39LF512", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_64KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,16), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST39LF010, |
| .name = "SST 39LF010", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_128KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,32), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST29EE020, |
| .name = "SST 29EE020", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_SST_PAGE, |
| .NumEraseRegions= 1, |
| .regions = {ERASEINFO(0x01000,64), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST29LE020, |
| .name = "SST 29LE020", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_SST_PAGE, |
| .NumEraseRegions= 1, |
| .regions = {ERASEINFO(0x01000,64), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST39LF020, |
| .name = "SST 39LF020", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,64), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST39LF040, |
| .name = "SST 39LF040", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,128), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST39SF010A, |
| .name = "SST 39SF010A", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_128KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,32), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST39SF020A, |
| .name = "SST 39SF020A", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,64), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST49LF004B, |
| .name = "SST 49LF004B", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,128), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST49LF008A, |
| .name = "SST 49LF008A", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,256), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST49LF030A, |
| .name = "SST 49LF030A", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,96), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST49LF040A, |
| .name = "SST 49LF040A", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,128), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, |
| .dev_id = SST49LF080A, |
| .name = "SST 49LF080A", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x01000,256), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, /* should be CFI */ |
| .dev_id = SST39LF160, |
| .name = "SST 39LF160", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */ |
| [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x1000,256), |
| ERASEINFO(0x1000,256) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_SST, /* should be CFI */ |
| .dev_id = SST39VF1601, |
| .name = "SST 39VF1601", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */ |
| [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x1000,256), |
| ERASEINFO(0x1000,256) |
| } |
| |
| }, { |
| .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */ |
| .dev_id = M29W800DT, |
| .name = "ST M29W800DT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */ |
| [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,15), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */ |
| .dev_id = M29W800DB, |
| .name = "ST M29W800DB", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */ |
| [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,15) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */ |
| .dev_id = M29W160DT, |
| .name = "ST M29W160DT", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,31), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */ |
| .dev_id = M29W160DB, |
| .name = "ST M29W160DB", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,31) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ST, |
| .dev_id = M29W040B, |
| .name = "ST M29W040B", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ST, |
| .dev_id = M50FW040, |
| .name = "ST M50FW040", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_512KiB, |
| .CmdSet = P_ID_INTEL_EXT, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,8), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ST, |
| .dev_id = M50FW080, |
| .name = "ST M50FW080", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_EXT, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,16), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ST, |
| .dev_id = M50FW016, |
| .name = "ST M50FW016", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_INTEL_EXT, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,32), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_ST, |
| .dev_id = M50LPW080, |
| .name = "ST M50LPW080", |
| .uaddr = { |
| [0] = MTD_UADDR_UNNECESSARY, /* x8 */ |
| }, |
| .DevSize = SIZE_1MiB, |
| .CmdSet = P_ID_INTEL_EXT, |
| .NumEraseRegions= 1, |
| .regions = { |
| ERASEINFO(0x10000,16), |
| } |
| }, { |
| .mfr_id = MANUFACTURER_TOSHIBA, |
| .dev_id = TC58FVT160, |
| .name = "Toshiba TC58FVT160", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000,31), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x04000,1) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_TOSHIBA, |
| .dev_id = TC58FVB160, |
| .name = "Toshiba TC58FVB160", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ |
| }, |
| .DevSize = SIZE_2MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x04000,1), |
| ERASEINFO(0x02000,2), |
| ERASEINFO(0x08000,1), |
| ERASEINFO(0x10000,31) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_TOSHIBA, |
| .dev_id = TC58FVB321, |
| .name = "Toshiba TC58FVB321", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000,8), |
| ERASEINFO(0x10000,63) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_TOSHIBA, |
| .dev_id = TC58FVT321, |
| .name = "Toshiba TC58FVT321", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ |
| }, |
| .DevSize = SIZE_4MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000,63), |
| ERASEINFO(0x02000,8) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_TOSHIBA, |
| .dev_id = TC58FVB641, |
| .name = "Toshiba TC58FVB641", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_8MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x02000,8), |
| ERASEINFO(0x10000,127) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_TOSHIBA, |
| .dev_id = TC58FVT641, |
| .name = "Toshiba TC58FVT641", |
| .uaddr = { |
| [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ |
| [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ |
| }, |
| .DevSize = SIZE_8MiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 2, |
| .regions = { |
| ERASEINFO(0x10000,127), |
| ERASEINFO(0x02000,8) |
| } |
| }, { |
| .mfr_id = MANUFACTURER_WINBOND, |
| .dev_id = W49V002A, |
| .name = "Winbond W49V002A", |
| .uaddr = { |
| [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ |
| }, |
| .DevSize = SIZE_256KiB, |
| .CmdSet = P_ID_AMD_STD, |
| .NumEraseRegions= 4, |
| .regions = { |
| ERASEINFO(0x10000, 3), |
| ERASEINFO(0x08000, 1), |
| ERASEINFO(0x02000, 2), |
| ERASEINFO(0x04000, 1), |
| } |
| } |
| }; |
| |
| |
| static int cfi_jedec_setup(struct cfi_private *p_cfi, int index); |
| |
| static int jedec_probe_chip(struct map_info *map, __u32 base, |
| unsigned long *chip_map, struct cfi_private *cfi); |
| |
| static struct mtd_info *jedec_probe(struct map_info *map); |
| |
| static inline u32 jedec_read_mfr(struct map_info *map, __u32 base, |
| struct cfi_private *cfi) |
| { |
| map_word result; |
| unsigned long mask; |
| u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type); |
| mask = (1 << (cfi->device_type * 8)) -1; |
| result = map_read(map, base + ofs); |
| return result.x[0] & mask; |
| } |
| |
| static inline u32 jedec_read_id(struct map_info *map, __u32 base, |
| struct cfi_private *cfi) |
| { |
| map_word result; |
| unsigned long mask; |
| u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type); |
| mask = (1 << (cfi->device_type * 8)) -1; |
| result = map_read(map, base + ofs); |
| return result.x[0] & mask; |
| } |
| |
| static inline void jedec_reset(u32 base, struct map_info *map, |
| struct cfi_private *cfi) |
| { |
| /* Reset */ |
| |
| /* after checking the datasheets for SST, MACRONIX and ATMEL |
| * (oh and incidentaly the jedec spec - 3.5.3.3) the reset |
| * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at |
| * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips |
| * as they will ignore the writes and dont care what address |
| * the F0 is written to */ |
| if(cfi->addr_unlock1) { |
| DEBUG( MTD_DEBUG_LEVEL3, |
| "reset unlock called %x %x \n", |
| cfi->addr_unlock1,cfi->addr_unlock2); |
| cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); |
| cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL); |
| } |
| |
| cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); |
| /* Some misdesigned intel chips do not respond for 0xF0 for a reset, |
| * so ensure we're in read mode. Send both the Intel and the AMD command |
| * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so |
| * this should be safe. |
| */ |
| cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); |
| /* FIXME - should have reset delay before continuing */ |
| } |
| |
| |
| static inline __u8 finfo_uaddr(const struct amd_flash_info *finfo, int device_type) |
| { |
| int uaddr_idx; |
| __u8 uaddr = MTD_UADDR_NOT_SUPPORTED; |
| |
| switch ( device_type ) { |
| case CFI_DEVICETYPE_X8: uaddr_idx = 0; break; |
| case CFI_DEVICETYPE_X16: uaddr_idx = 1; break; |
| case CFI_DEVICETYPE_X32: uaddr_idx = 2; break; |
| default: |
| printk(KERN_NOTICE "MTD: %s(): unknown device_type %d\n", |
| __func__, device_type); |
| goto uaddr_done; |
| } |
| |
| uaddr = finfo->uaddr[uaddr_idx]; |
| |
| if (uaddr != MTD_UADDR_NOT_SUPPORTED ) { |
| /* ASSERT("The unlock addresses for non-8-bit mode |
| are bollocks. We don't really need an array."); */ |
| uaddr = finfo->uaddr[0]; |
| } |
| |
| uaddr_done: |
| return uaddr; |
| } |
| |
| |
| static int cfi_jedec_setup(struct cfi_private *p_cfi, int index) |
| { |
| int i,num_erase_regions; |
| __u8 uaddr; |
| |
| printk("Found: %s\n",jedec_table[index].name); |
| |
| num_erase_regions = jedec_table[index].NumEraseRegions; |
| |
| p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL); |
| if (!p_cfi->cfiq) { |
| //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name); |
| return 0; |
| } |
| |
| memset(p_cfi->cfiq,0,sizeof(struct cfi_ident)); |
| |
| p_cfi->cfiq->P_ID = jedec_table[index].CmdSet; |
| p_cfi->cfiq->NumEraseRegions = jedec_table[index].NumEraseRegions; |
| p_cfi->cfiq->DevSize = jedec_table[index].DevSize; |
| p_cfi->cfi_mode = CFI_MODE_JEDEC; |
| |
| for (i=0; i<num_erase_regions; i++){ |
| p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i]; |
| } |
| p_cfi->cmdset_priv = NULL; |
| |
| /* This may be redundant for some cases, but it doesn't hurt */ |
| p_cfi->mfr = jedec_table[index].mfr_id; |
| p_cfi->id = jedec_table[index].dev_id; |
| |
| uaddr = finfo_uaddr(&jedec_table[index], p_cfi->device_type); |
| if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) { |
| kfree( p_cfi->cfiq ); |
| return 0; |
| } |
| |
| p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1; |
| p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2; |
| |
| return 1; /* ok */ |
| } |
| |
| |
| /* |
| * There is a BIG problem properly ID'ing the JEDEC devic and guaranteeing |
| * the mapped address, unlock addresses, and proper chip ID. This function |
| * attempts to minimize errors. It is doubtfull that this probe will ever |
| * be perfect - consequently there should be some module parameters that |
| * could be manually specified to force the chip info. |
| */ |
| static inline int jedec_match( __u32 base, |
| struct map_info *map, |
| struct cfi_private *cfi, |
| const struct amd_flash_info *finfo ) |
| { |
| int rc = 0; /* failure until all tests pass */ |
| u32 mfr, id; |
| __u8 uaddr; |
| |
| /* |
| * The IDs must match. For X16 and X32 devices operating in |
| * a lower width ( X8 or X16 ), the device ID's are usually just |
| * the lower byte(s) of the larger device ID for wider mode. If |
| * a part is found that doesn't fit this assumption (device id for |
| * smaller width mode is completely unrealated to full-width mode) |
| * then the jedec_table[] will have to be augmented with the IDs |
| * for different widths. |
| */ |
| switch (cfi->device_type) { |
| case CFI_DEVICETYPE_X8: |
| mfr = (__u8)finfo->mfr_id; |
| id = (__u8)finfo->dev_id; |
| |
| /* bjd: it seems that if we do this, we can end up |
| * detecting 16bit flashes as an 8bit device, even though |
| * there aren't. |
| */ |
| if (finfo->dev_id > 0xff) { |
| DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n", |
| __func__); |
| goto match_done; |
| } |
| break; |
| case CFI_DEVICETYPE_X16: |
| mfr = (__u16)finfo->mfr_id; |
| id = (__u16)finfo->dev_id; |
| break; |
| case CFI_DEVICETYPE_X32: |
| mfr = (__u16)finfo->mfr_id; |
| id = (__u32)finfo->dev_id; |
| break; |
| default: |
| printk(KERN_WARNING |
| "MTD %s(): Unsupported device type %d\n", |
| __func__, cfi->device_type); |
| goto match_done; |
| } |
| if ( cfi->mfr != mfr || cfi->id != id ) { |
| goto match_done; |
| } |
| |
| /* the part size must fit in the memory window */ |
| DEBUG( MTD_DEBUG_LEVEL3, |
| "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n", |
| __func__, base, 1 << finfo->DevSize, base + (1 << finfo->DevSize) ); |
| if ( base + cfi_interleave(cfi) * ( 1 << finfo->DevSize ) > map->size ) { |
| DEBUG( MTD_DEBUG_LEVEL3, |
| "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n", |
| __func__, finfo->mfr_id, finfo->dev_id, |
| 1 << finfo->DevSize ); |
| goto match_done; |
| } |
| |
| uaddr = finfo_uaddr(finfo, cfi->device_type); |
| if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) { |
| goto match_done; |
| } |
| |
| DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n", |
| __func__, cfi->addr_unlock1, cfi->addr_unlock2 ); |
| if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr |
| && ( unlock_addrs[uaddr].addr1 != cfi->addr_unlock1 || |
| unlock_addrs[uaddr].addr2 != cfi->addr_unlock2 ) ) { |
| DEBUG( MTD_DEBUG_LEVEL3, |
| "MTD %s(): 0x%.4x 0x%.4x did not match\n", |
| __func__, |
| unlock_addrs[uaddr].addr1, |
| unlock_addrs[uaddr].addr2); |
| goto match_done; |
| } |
| |
| /* |
| * Make sure the ID's dissappear when the device is taken out of |
| * ID mode. The only time this should fail when it should succeed |
| * is when the ID's are written as data to the same |
| * addresses. For this rare and unfortunate case the chip |
| * cannot be probed correctly. |
| * FIXME - write a driver that takes all of the chip info as |
| * module parameters, doesn't probe but forces a load. |
| */ |
| DEBUG( MTD_DEBUG_LEVEL3, |
| "MTD %s(): check ID's disappear when not in ID mode\n", |
| __func__ ); |
| jedec_reset( base, map, cfi ); |
| mfr = jedec_read_mfr( map, base, cfi ); |
| id = jedec_read_id( map, base, cfi ); |
| if ( mfr == cfi->mfr && id == cfi->id ) { |
| DEBUG( MTD_DEBUG_LEVEL3, |
| "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n" |
| "You might need to manually specify JEDEC parameters.\n", |
| __func__, cfi->mfr, cfi->id ); |
| goto match_done; |
| } |
| |
| /* all tests passed - mark as success */ |
| rc = 1; |
| |
| /* |
| * Put the device back in ID mode - only need to do this if we |
| * were truly frobbing a real device. |
| */ |
| DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ ); |
| if(cfi->addr_unlock1) { |
| cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); |
| cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL); |
| } |
| cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); |
| /* FIXME - should have a delay before continuing */ |
| |
| match_done: |
| return rc; |
| } |
| |
| |
| static int jedec_probe_chip(struct map_info *map, __u32 base, |
| unsigned long *chip_map, struct cfi_private *cfi) |
| { |
| int i; |
| enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED; |
| u32 probe_offset1, probe_offset2; |
| |
| retry: |
| if (!cfi->numchips) { |
| uaddr_idx++; |
| |
| if (MTD_UADDR_UNNECESSARY == uaddr_idx) |
| return 0; |
| |
| cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1; |
| cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2; |
| } |
| |
| /* Make certain we aren't probing past the end of map */ |
| if (base >= map->size) { |
| printk(KERN_NOTICE |
| "Probe at base(0x%08x) past the end of the map(0x%08lx)\n", |
| base, map->size -1); |
| return 0; |
| |
| } |
| /* Ensure the unlock addresses we try stay inside the map */ |
| probe_offset1 = cfi_build_cmd_addr( |
| cfi->addr_unlock1, |
| cfi_interleave(cfi), |
| cfi->device_type); |
| probe_offset2 = cfi_build_cmd_addr( |
| cfi->addr_unlock1, |
| cfi_interleave(cfi), |
| cfi->device_type); |
| if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) || |
| ((base + probe_offset2 + map_bankwidth(map)) >= map->size)) |
| { |
| goto retry; |
| } |
| |
| /* Reset */ |
| jedec_reset(base, map, cfi); |
| |
| /* Autoselect Mode */ |
| if(cfi->addr_unlock1) { |
| cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); |
| cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL); |
| } |
| cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); |
| /* FIXME - should have a delay before continuing */ |
| |
| if (!cfi->numchips) { |
| /* This is the first time we're called. Set up the CFI |
| stuff accordingly and return */ |
| |
| cfi->mfr = jedec_read_mfr(map, base, cfi); |
| cfi->id = jedec_read_id(map, base, cfi); |
| DEBUG(MTD_DEBUG_LEVEL3, |
| "Search for id:(%02x %02x) interleave(%d) type(%d)\n", |
| cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type); |
| for (i = 0; i < ARRAY_SIZE(jedec_table); i++) { |
| if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) { |
| DEBUG( MTD_DEBUG_LEVEL3, |
| "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n", |
| __func__, cfi->mfr, cfi->id, |
| cfi->addr_unlock1, cfi->addr_unlock2 ); |
| if (!cfi_jedec_setup(cfi, i)) |
| return 0; |
| goto ok_out; |
| } |
| } |
| goto retry; |
| } else { |
| __u16 mfr; |
| __u16 id; |
| |
| /* Make sure it is a chip of the same manufacturer and id */ |
| mfr = jedec_read_mfr(map, base, cfi); |
| id = jedec_read_id(map, base, cfi); |
| |
| if ((mfr != cfi->mfr) || (id != cfi->id)) { |
| printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n", |
| map->name, mfr, id, base); |
| jedec_reset(base, map, cfi); |
| return 0; |
| } |
| } |
| |
| /* Check each previous chip locations to see if it's an alias */ |
| for (i=0; i < (base >> cfi->chipshift); i++) { |
| unsigned long start; |
| if(!test_bit(i, chip_map)) { |
| continue; /* Skip location; no valid chip at this address */ |
| } |
| start = i << cfi->chipshift; |
| if (jedec_read_mfr(map, start, cfi) == cfi->mfr && |
| jedec_read_id(map, start, cfi) == cfi->id) { |
| /* Eep. This chip also looks like it's in autoselect mode. |
| Is it an alias for the new one? */ |
| jedec_reset(start, map, cfi); |
| |
| /* If the device IDs go away, it's an alias */ |
| if (jedec_read_mfr(map, base, cfi) != cfi->mfr || |
| jedec_read_id(map, base, cfi) != cfi->id) { |
| printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n", |
| map->name, base, start); |
| return 0; |
| } |
| |
| /* Yes, it's actually got the device IDs as data. Most |
| * unfortunate. Stick the new chip in read mode |
| * too and if it's the same, assume it's an alias. */ |
| /* FIXME: Use other modes to do a proper check */ |
| jedec_reset(base, map, cfi); |
| if (jedec_read_mfr(map, base, cfi) == cfi->mfr && |
| jedec_read_id(map, base, cfi) == cfi->id) { |
| printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n", |
| map->name, base, start); |
| return 0; |
| } |
| } |
| } |
| |
| /* OK, if we got to here, then none of the previous chips appear to |
| be aliases for the current one. */ |
| set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */ |
| cfi->numchips++; |
| |
| ok_out: |
| /* Put it back into Read Mode */ |
| jedec_reset(base, map, cfi); |
| |
| printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n", |
| map->name, cfi_interleave(cfi), cfi->device_type*8, base, |
| map->bankwidth*8); |
| |
| return 1; |
| } |
| |
| static struct chip_probe jedec_chip_probe = { |
| .name = "JEDEC", |
| .probe_chip = jedec_probe_chip |
| }; |
| |
| static struct mtd_info *jedec_probe(struct map_info *map) |
| { |
| /* |
| * Just use the generic probe stuff to call our CFI-specific |
| * chip_probe routine in all the possible permutations, etc. |
| */ |
| return mtd_do_chip_probe(map, &jedec_chip_probe); |
| } |
| |
| static struct mtd_chip_driver jedec_chipdrv = { |
| .probe = jedec_probe, |
| .name = "jedec_probe", |
| .module = THIS_MODULE |
| }; |
| |
| static int __init jedec_probe_init(void) |
| { |
| register_mtd_chip_driver(&jedec_chipdrv); |
| return 0; |
| } |
| |
| static void __exit jedec_probe_exit(void) |
| { |
| unregister_mtd_chip_driver(&jedec_chipdrv); |
| } |
| |
| module_init(jedec_probe_init); |
| module_exit(jedec_probe_exit); |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al."); |
| MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips"); |
