jedec_probe.c

一个2.4.21版本的嵌入式linux内核

/* 
   Common Flash Interface probe code.
   (C) 2000 Red Hat. GPL'd.
   $Id: jedec_probe.c,v 1.19 2002/11/12 13:12:10 dwmw2 Exp $
   See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
   for the standard this probe goes back to.
*/

#include <linux/config.h>
#include <linux/module.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/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_INTEL	0x0089
#define MANUFACTURER_MACRONIX	0x00C2
#define MANUFACTURER_ST		0x0020
#define MANUFACTURER_SST	0x00BF
#define MANUFACTURER_TOSHIBA	0x0098


/* AMD */
#define AM29F800BB	0x2258
#define AM29F800BT	0x22D6
#define AM29LV800BB	0x225B
#define AM29LV800BT	0x22DA
#define AM29LV160DT	0x22C4
#define AM29LV160DB	0x2249
#define AM29F017D	0x003D
#define AM29F016	0x00AD
#define AM29F080	0x00D5
#define AM29F040	0x00A4
#define AM29LV040B	0x004F
#define AM29F032B	0x0041

/* Atmel */
#define AT49BV512	0x0003
#define AT29LV512	0x003d
#define AT49BV16X	0x00C0
#define AT49BV16XT	0x00C2
#define AT49BV32X	0x00C8
#define AT49BV32XT	0x00C9

/* Fujitsu */
#define MBM29LV650UE	0x22D7
#define MBM29LV320TE	0x22F6
#define MBM29LV320BE	0x22F9
#define MBM29LV160TE	0x22C4
#define MBM29LV160BE	0x2249
#define MBM29LV800BA	0x225B
#define MBM29LV800TA	0x22DA

/* 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 MX29LV160T	0x22C4
#define MX29LV160B	0x2249
#define MX29F016	0x00AD
#define MX29F004T	0x0045
#define MX29F004B	0x0046

/* ST - www.st.com */
#define M29W800T	0x00D7
#define M29W160DT	0x22C4
#define M29W160DB	0x2249
#define M29W040B	0x00E3

/* SST */
#define SST29EE512	0x005d
#define SST29LE512	0x003d
#define SST39LF800	0x2781
#define SST39LF160	0x2782
#define SST39LF512	0x00D4
#define SST39LF010	0x00D5
#define SST39LF020	0x00D6
#define SST39LF040	0x00D7
#define SST39SF010A	0x00B5
#define SST39SF020A	0x00B6
#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


struct amd_flash_info {
	const __u16 mfr_id;
	const __u16 dev_id;
	const char *name;
	const int DevSize;
	const int InterfaceDesc;
	const int NumEraseRegions;
	const int CmdSet;
	const ulong regions[4];
};

#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

static const struct amd_flash_info jedec_table[] = {
	{
		mfr_id: MANUFACTURER_AMD,
		dev_id: AM29F032B,
		name: "AMD AM29F032B",
		DevSize: SIZE_4MiB,
		CmdSet:	P_ID_AMD_STD,
		NumEraseRegions: 1,
		regions: {ERASEINFO(0x10000,64)
		}
	}, {
		mfr_id: MANUFACTURER_AMD,
		dev_id: AM29LV160DT,
		name: "AMD AM29LV160DT",
		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",
		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: TC58FVT160,
		name: "Toshiba TC58FVT160",
		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",
		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",
		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",
		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",
		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",
		DevSize: SIZE_8MiB,
		CmdSet:	P_ID_AMD_STD,
		NumEraseRegions: 2,
		regions: {ERASEINFO(0x10000,127),
			  ERASEINFO(0x02000,8)
		}
	}, {
		mfr_id: MANUFACTURER_FUJITSU,
		dev_id: MBM29LV650UE,
		name: "Fujitsu MBM29LV650UE",
		DevSize: SIZE_8MiB,
		CmdSet: P_ID_AMD_STD,
		NumEraseRegions: 1,
		regions: {ERASEINFO(0x10000,128)
		}
	}, {
		mfr_id: MANUFACTURER_FUJITSU,
		dev_id: MBM29LV320TE,
		name: "Fujitsu MBM29LV320TE",
		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",
		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",
		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",
		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",
		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",
		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: AM29LV800BB,
		name: "AMD AM29LV800BB",
		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: AM29F800BB,
		name: "AMD AM29F800BB",
		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",
		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",
		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: AM29LV800BB,
		name: "AMD AM29LV800BB",
		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_INTEL,
		dev_id:			I28F004B3B,
		name:			"Intel 28F004B3B",
		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",
		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",
		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",
		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",
		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",
		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",
		DevSize: SIZE_1MiB,
		CmdSet: P_ID_INTEL_EXT,
		NumEraseRegions: 1,
		regions: {ERASEINFO(0x10000,16),
		}
	}, {
		mfr_id: MANUFACTURER_INTEL,
		dev_id: I28F016S5,
		name: "Intel 28F016S5",
		DevSize: SIZE_2MiB,
		CmdSet: P_ID_INTEL_EXT,
		NumEraseRegions: 1,
		regions: {ERASEINFO(0x10000,32),
		}
	}, {
		mfr_id:			MANUFACTURER_INTEL,
		dev_id:			I28F008SA,
		name:			"Intel 28F008SA",
		DevSize:		SIZE_1MiB,
		CmdSet:			P_ID_INTEL_STD,
		NumEraseRegions:	1,
		regions: {
			ERASEINFO(0x10000, 16),
		}
	}, {
		mfr_id:			MANUFACTURER_INTEL,
		dev_id:			I28F800B3B,
		name:			"Intel 28F800B3B",
		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",
		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",
		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",
		DevSize:		SIZE_2MiB,
		CmdSet:			P_ID_INTEL_STD,
		NumEraseRegions:	1,
		regions: {
			ERASEINFO(0x10000, 32),
		}
	}, {
		mfr_id:			MANUFACTURER_INTEL,
		dev_id:			I28F016B3T,
		name:			"Intel 28F016B3T",
		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",
		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",
		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",
		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",
		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",
		DevSize:		SIZE_8MiB,
		CmdSet:			P_ID_INTEL_STD,
		NumEraseRegions:	2,
		regions: {
			ERASEINFO(0x02000, 8),
			ERASEINFO(0x10000, 127),
		}
	}, {
		mfr_id:			MANUFACTURER_INTEL,
		dev_id:			I28F640B3T,