uboot-phytec

// SPDX-License-Identifier: GPL-2.0+

/*

 * (C) Copyright 2007

 * Michael Schwingen, <michael@schwingen.org>

 *

 * based in great part on jedec_probe.c from linux kernel:

 * (C) 2000 Red Hat. GPL'd.

 * Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com

 */

​

/* The DEBUG define must be before common to enable debugging */

/*#define DEBUG*/

​

#include <common.h>

#include <asm/processor.h>

#include <asm/io.h>

#include <asm/byteorder.h>

​

#define P_ID_AMD_STD CFI_CMDSET_AMD_LEGACY

​

/* AMD */

#define AM29DL800BB 0x22CB

#define AM29DL800BT 0x224A

​

#define AM29F400BB  0x22AB

#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

​

/* SST */

#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

​

/* STM */

#define STM29F400BB 0x00D6

​

/* MXIC */

#define MX29LV040   0x004F

​

/* WINBOND */

#define W39L040A    0x00D6

​

/* AMIC */

#define A29L040     0x0092

​

/* EON */

#define EN29LV040A  0x004F

​

/*

 * 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;

};

​