1 /***************************************************************************
2 * Copyright (C) 2005, 2007 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * Copyright (C) 2009 Michael Schwingen *
5 * michael@schwingen.org *
6 * Copyright (C) 2010 Øyvind Harboe <oyvind.harboe@zylin.com> *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
30 #include <target/arm.h>
31 #include <helper/binarybuffer.h>
32 #include <target/algorithm.h>
35 #define CFI_MAX_BUS_WIDTH 4
36 #define CFI_MAX_CHIP_WIDTH 4
38 /* defines internal maximum size for code fragment in cfi_intel_write_block() */
39 #define CFI_MAX_INTEL_CODESIZE 256
41 static struct cfi_unlock_addresses cfi_unlock_addresses
[] =
43 [CFI_UNLOCK_555_2AA
] = { .unlock1
= 0x555, .unlock2
= 0x2aa },
44 [CFI_UNLOCK_5555_2AAA
] = { .unlock1
= 0x5555, .unlock2
= 0x2aaa },
47 /* CFI fixups foward declarations */
48 static void cfi_fixup_0002_erase_regions(struct flash_bank
*flash
, void *param
);
49 static void cfi_fixup_0002_unlock_addresses(struct flash_bank
*flash
, void *param
);
50 static void cfi_fixup_atmel_reversed_erase_regions(struct flash_bank
*flash
, void *param
);
52 /* fixup after reading cmdset 0002 primary query table */
53 static const struct cfi_fixup cfi_0002_fixups
[] = {
54 {CFI_MFR_SST
, 0x00D4, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_5555_2AAA
]},
55 {CFI_MFR_SST
, 0x00D5, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_5555_2AAA
]},
56 {CFI_MFR_SST
, 0x00D6, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_5555_2AAA
]},
57 {CFI_MFR_SST
, 0x00D7, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_5555_2AAA
]},
58 {CFI_MFR_SST
, 0x2780, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_5555_2AAA
]},
59 {CFI_MFR_ATMEL
, 0x00C8, cfi_fixup_atmel_reversed_erase_regions
, NULL
},
60 {CFI_MFR_FUJITSU
, 0x22ea, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_555_2AA
]},
61 {CFI_MFR_FUJITSU
, 0x226b, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_5555_2AAA
]},
62 {CFI_MFR_AMIC
, 0xb31a, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_555_2AA
]},
63 {CFI_MFR_MX
, 0x225b, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_555_2AA
]},
64 {CFI_MFR_AMD
, 0x225b, cfi_fixup_0002_unlock_addresses
, &cfi_unlock_addresses
[CFI_UNLOCK_555_2AA
]},
65 {CFI_MFR_ANY
, CFI_ID_ANY
, cfi_fixup_0002_erase_regions
, NULL
},
69 /* fixup after reading cmdset 0001 primary query table */
70 static const struct cfi_fixup cfi_0001_fixups
[] = {
74 static void cfi_fixup(struct flash_bank
*bank
, const struct cfi_fixup
*fixups
)
76 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
77 const struct cfi_fixup
*f
;
79 for (f
= fixups
; f
->fixup
; f
++)
81 if (((f
->mfr
== CFI_MFR_ANY
) || (f
->mfr
== cfi_info
->manufacturer
)) &&
82 ((f
->id
== CFI_ID_ANY
) || (f
->id
== cfi_info
->device_id
)))
84 f
->fixup(bank
, f
->param
);
89 /* inline uint32_t flash_address(struct flash_bank *bank, int sector, uint32_t offset) */
90 static __inline__
uint32_t flash_address(struct flash_bank
*bank
, int sector
, uint32_t offset
)
92 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
94 if (cfi_info
->x16_as_x8
) offset
*= 2;
96 /* while the sector list isn't built, only accesses to sector 0 work */
98 return bank
->base
+ offset
* bank
->bus_width
;
103 LOG_ERROR("BUG: sector list not yet built");
106 return bank
->base
+ bank
->sectors
[sector
].offset
+ offset
* bank
->bus_width
;
110 static void cfi_command(struct flash_bank
*bank
, uint8_t cmd
, uint8_t *cmd_buf
)
114 /* clear whole buffer, to ensure bits that exceed the bus_width
117 for (i
= 0; i
< CFI_MAX_BUS_WIDTH
; i
++)
120 if (bank
->target
->endianness
== TARGET_LITTLE_ENDIAN
)
122 for (i
= bank
->bus_width
; i
> 0; i
--)
124 *cmd_buf
++ = (i
& (bank
->chip_width
- 1)) ? 0x0 : cmd
;
129 for (i
= 1; i
<= bank
->bus_width
; i
++)
131 *cmd_buf
++ = (i
& (bank
->chip_width
- 1)) ? 0x0 : cmd
;
136 static int cfi_send_command(struct flash_bank
*bank
, uint8_t cmd
, uint32_t address
)
138 uint8_t command
[CFI_MAX_BUS_WIDTH
];
140 cfi_command(bank
, cmd
, command
);
141 return target_write_memory(bank
->target
, address
, bank
->bus_width
, 1, command
);
144 /* read unsigned 8-bit value from the bank
145 * flash banks are expected to be made of similar chips
146 * the query result should be the same for all
148 static uint8_t cfi_query_u8(struct flash_bank
*bank
, int sector
, uint32_t offset
)
150 struct target
*target
= bank
->target
;
151 uint8_t data
[CFI_MAX_BUS_WIDTH
];
153 target_read_memory(target
, flash_address(bank
, sector
, offset
), bank
->bus_width
, 1, data
);
155 if (bank
->target
->endianness
== TARGET_LITTLE_ENDIAN
)
158 return data
[bank
->bus_width
- 1];
161 /* read unsigned 8-bit value from the bank
162 * in case of a bank made of multiple chips,
163 * the individual values are ORed
165 static uint8_t cfi_get_u8(struct flash_bank
*bank
, int sector
, uint32_t offset
)
167 struct target
*target
= bank
->target
;
168 uint8_t data
[CFI_MAX_BUS_WIDTH
];
171 target_read_memory(target
, flash_address(bank
, sector
, offset
), bank
->bus_width
, 1, data
);
173 if (bank
->target
->endianness
== TARGET_LITTLE_ENDIAN
)
175 for (i
= 0; i
< bank
->bus_width
/ bank
->chip_width
; i
++)
183 for (i
= 0; i
< bank
->bus_width
/ bank
->chip_width
; i
++)
184 value
|= data
[bank
->bus_width
- 1 - i
];
190 static uint16_t cfi_query_u16(struct flash_bank
*bank
, int sector
, uint32_t offset
)
192 struct target
*target
= bank
->target
;
193 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
194 uint8_t data
[CFI_MAX_BUS_WIDTH
* 2];
196 if (cfi_info
->x16_as_x8
)
199 for (i
= 0;i
< 2;i
++)
200 target_read_memory(target
, flash_address(bank
, sector
, offset
+ i
), bank
->bus_width
, 1,
201 &data
[i
*bank
->bus_width
]);
204 target_read_memory(target
, flash_address(bank
, sector
, offset
), bank
->bus_width
, 2, data
);
206 if (bank
->target
->endianness
== TARGET_LITTLE_ENDIAN
)
207 return data
[0] | data
[bank
->bus_width
] << 8;
209 return data
[bank
->bus_width
- 1] | data
[(2 * bank
->bus_width
) - 1] << 8;
212 static uint32_t cfi_query_u32(struct flash_bank
*bank
, int sector
, uint32_t offset
)
214 struct target
*target
= bank
->target
;
215 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
216 uint8_t data
[CFI_MAX_BUS_WIDTH
* 4];
218 if (cfi_info
->x16_as_x8
)
221 for (i
= 0;i
< 4;i
++)
222 target_read_memory(target
, flash_address(bank
, sector
, offset
+ i
), bank
->bus_width
, 1,
223 &data
[i
*bank
->bus_width
]);
226 target_read_memory(target
, flash_address(bank
, sector
, offset
), bank
->bus_width
, 4, data
);
228 if (bank
->target
->endianness
== TARGET_LITTLE_ENDIAN
)
229 return data
[0] | data
[bank
->bus_width
] << 8 | data
[bank
->bus_width
* 2] << 16 | data
[bank
->bus_width
* 3] << 24;
231 return data
[bank
->bus_width
- 1] | data
[(2* bank
->bus_width
) - 1] << 8 |
232 data
[(3 * bank
->bus_width
) - 1] << 16 | data
[(4 * bank
->bus_width
) - 1] << 24;
235 static int cfi_reset(struct flash_bank
*bank
)
237 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
238 int retval
= ERROR_OK
;
240 if ((retval
= cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
245 if ((retval
= cfi_send_command(bank
, 0xff, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
250 if (cfi_info
->manufacturer
== 0x20 &&
251 (cfi_info
->device_id
== 0x227E || cfi_info
->device_id
== 0x7E))
253 /* Numonix M29W128G is cmd 0xFF intolerant - causes internal undefined state
254 * so we send an extra 0xF0 reset to fix the bug */
255 if ((retval
= cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x00))) != ERROR_OK
)
264 static void cfi_intel_clear_status_register(struct flash_bank
*bank
)
266 struct target
*target
= bank
->target
;
268 if (target
->state
!= TARGET_HALTED
)
270 LOG_ERROR("BUG: attempted to clear status register while target wasn't halted");
274 cfi_send_command(bank
, 0x50, flash_address(bank
, 0, 0x0));
277 static uint8_t cfi_intel_wait_status_busy(struct flash_bank
*bank
, int timeout
)
281 while ((!((status
= cfi_get_u8(bank
, 0, 0x0)) & 0x80)) && (timeout
-- > 0))
283 LOG_DEBUG("status: 0x%x", status
);
287 /* mask out bit 0 (reserved) */
288 status
= status
& 0xfe;
290 LOG_DEBUG("status: 0x%x", status
);
292 if ((status
& 0x80) != 0x80)
294 LOG_ERROR("timeout while waiting for WSM to become ready");
296 else if (status
!= 0x80)
298 LOG_ERROR("status register: 0x%x", status
);
300 LOG_ERROR("Block Lock-Bit Detected, Operation Abort");
302 LOG_ERROR("Program suspended");
304 LOG_ERROR("Low Programming Voltage Detected, Operation Aborted");
306 LOG_ERROR("Program Error / Error in Setting Lock-Bit");
308 LOG_ERROR("Error in Block Erasure or Clear Lock-Bits");
310 LOG_ERROR("Block Erase Suspended");
312 cfi_intel_clear_status_register(bank
);
318 static int cfi_spansion_wait_status_busy(struct flash_bank
*bank
, int timeout
)
320 uint8_t status
, oldstatus
;
321 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
323 oldstatus
= cfi_get_u8(bank
, 0, 0x0);
326 status
= cfi_get_u8(bank
, 0, 0x0);
327 if ((status
^ oldstatus
) & 0x40) {
328 if (status
& cfi_info
->status_poll_mask
& 0x20) {
329 oldstatus
= cfi_get_u8(bank
, 0, 0x0);
330 status
= cfi_get_u8(bank
, 0, 0x0);
331 if ((status
^ oldstatus
) & 0x40) {
332 LOG_ERROR("dq5 timeout, status: 0x%x", status
);
333 return(ERROR_FLASH_OPERATION_FAILED
);
335 LOG_DEBUG("status: 0x%x", status
);
339 } else { /* no toggle: finished, OK */
340 LOG_DEBUG("status: 0x%x", status
);
346 } while (timeout
-- > 0);
348 LOG_ERROR("timeout, status: 0x%x", status
);
350 return(ERROR_FLASH_BUSY
);
353 static int cfi_read_intel_pri_ext(struct flash_bank
*bank
)
356 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
357 struct cfi_intel_pri_ext
*pri_ext
= malloc(sizeof(struct cfi_intel_pri_ext
));
359 cfi_info
->pri_ext
= pri_ext
;
361 pri_ext
->pri
[0] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 0);
362 pri_ext
->pri
[1] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 1);
363 pri_ext
->pri
[2] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 2);
365 if ((pri_ext
->pri
[0] != 'P') || (pri_ext
->pri
[1] != 'R') || (pri_ext
->pri
[2] != 'I'))
367 if ((retval
= cfi_reset(bank
)) != ERROR_OK
)
371 LOG_ERROR("Could not read bank flash bank information");
372 return ERROR_FLASH_BANK_INVALID
;
375 pri_ext
->major_version
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 3);
376 pri_ext
->minor_version
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 4);
378 LOG_DEBUG("pri: '%c%c%c', version: %c.%c", pri_ext
->pri
[0], pri_ext
->pri
[1], pri_ext
->pri
[2], pri_ext
->major_version
, pri_ext
->minor_version
);
380 pri_ext
->feature_support
= cfi_query_u32(bank
, 0, cfi_info
->pri_addr
+ 5);
381 pri_ext
->suspend_cmd_support
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 9);
382 pri_ext
->blk_status_reg_mask
= cfi_query_u16(bank
, 0, cfi_info
->pri_addr
+ 0xa);
384 LOG_DEBUG("feature_support: 0x%" PRIx32
", suspend_cmd_support: 0x%x, blk_status_reg_mask: 0x%x",
385 pri_ext
->feature_support
,
386 pri_ext
->suspend_cmd_support
,
387 pri_ext
->blk_status_reg_mask
);
389 pri_ext
->vcc_optimal
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 0xc);
390 pri_ext
->vpp_optimal
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 0xd);
392 LOG_DEBUG("Vcc opt: %x.%x, Vpp opt: %u.%x",
393 (pri_ext
->vcc_optimal
& 0xf0) >> 4, pri_ext
->vcc_optimal
& 0x0f,
394 (pri_ext
->vpp_optimal
& 0xf0) >> 4, pri_ext
->vpp_optimal
& 0x0f);
396 pri_ext
->num_protection_fields
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 0xe);
397 if (pri_ext
->num_protection_fields
!= 1)
399 LOG_WARNING("expected one protection register field, but found %i", pri_ext
->num_protection_fields
);
402 pri_ext
->prot_reg_addr
= cfi_query_u16(bank
, 0, cfi_info
->pri_addr
+ 0xf);
403 pri_ext
->fact_prot_reg_size
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 0x11);
404 pri_ext
->user_prot_reg_size
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 0x12);
406 LOG_DEBUG("protection_fields: %i, prot_reg_addr: 0x%x, factory pre-programmed: %i, user programmable: %i", pri_ext
->num_protection_fields
, pri_ext
->prot_reg_addr
, 1 << pri_ext
->fact_prot_reg_size
, 1 << pri_ext
->user_prot_reg_size
);
411 static int cfi_read_spansion_pri_ext(struct flash_bank
*bank
)
414 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
415 struct cfi_spansion_pri_ext
*pri_ext
= malloc(sizeof(struct cfi_spansion_pri_ext
));
417 cfi_info
->pri_ext
= pri_ext
;
419 pri_ext
->pri
[0] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 0);
420 pri_ext
->pri
[1] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 1);
421 pri_ext
->pri
[2] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 2);
423 if ((pri_ext
->pri
[0] != 'P') || (pri_ext
->pri
[1] != 'R') || (pri_ext
->pri
[2] != 'I'))
425 if ((retval
= cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
429 LOG_ERROR("Could not read spansion bank information");
430 return ERROR_FLASH_BANK_INVALID
;
433 pri_ext
->major_version
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 3);
434 pri_ext
->minor_version
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 4);
436 LOG_DEBUG("pri: '%c%c%c', version: %c.%c", pri_ext
->pri
[0], pri_ext
->pri
[1], pri_ext
->pri
[2], pri_ext
->major_version
, pri_ext
->minor_version
);
438 pri_ext
->SiliconRevision
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 5);
439 pri_ext
->EraseSuspend
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 6);
440 pri_ext
->BlkProt
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 7);
441 pri_ext
->TmpBlkUnprotect
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 8);
442 pri_ext
->BlkProtUnprot
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 9);
443 pri_ext
->SimultaneousOps
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 10);
444 pri_ext
->BurstMode
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 11);
445 pri_ext
->PageMode
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 12);
446 pri_ext
->VppMin
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 13);
447 pri_ext
->VppMax
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 14);
448 pri_ext
->TopBottom
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 15);
450 LOG_DEBUG("Silicon Revision: 0x%x, Erase Suspend: 0x%x, Block protect: 0x%x", pri_ext
->SiliconRevision
,
451 pri_ext
->EraseSuspend
, pri_ext
->BlkProt
);
453 LOG_DEBUG("Temporary Unprotect: 0x%x, Block Protect Scheme: 0x%x, Simultaneous Ops: 0x%x", pri_ext
->TmpBlkUnprotect
,
454 pri_ext
->BlkProtUnprot
, pri_ext
->SimultaneousOps
);
456 LOG_DEBUG("Burst Mode: 0x%x, Page Mode: 0x%x, ", pri_ext
->BurstMode
, pri_ext
->PageMode
);
459 LOG_DEBUG("Vpp min: %u.%x, Vpp max: %u.%x",
460 (pri_ext
->VppMin
& 0xf0) >> 4, pri_ext
->VppMin
& 0x0f,
461 (pri_ext
->VppMax
& 0xf0) >> 4, pri_ext
->VppMax
& 0x0f);
463 LOG_DEBUG("WP# protection 0x%x", pri_ext
->TopBottom
);
465 /* default values for implementation specific workarounds */
466 pri_ext
->_unlock1
= cfi_unlock_addresses
[CFI_UNLOCK_555_2AA
].unlock1
;
467 pri_ext
->_unlock2
= cfi_unlock_addresses
[CFI_UNLOCK_555_2AA
].unlock2
;
468 pri_ext
->_reversed_geometry
= 0;
473 static int cfi_read_atmel_pri_ext(struct flash_bank
*bank
)
476 struct cfi_atmel_pri_ext atmel_pri_ext
;
477 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
478 struct cfi_spansion_pri_ext
*pri_ext
= malloc(sizeof(struct cfi_spansion_pri_ext
));
480 /* ATMEL devices use the same CFI primary command set (0x2) as AMD/Spansion,
481 * but a different primary extended query table.
482 * We read the atmel table, and prepare a valid AMD/Spansion query table.
485 memset(pri_ext
, 0, sizeof(struct cfi_spansion_pri_ext
));
487 cfi_info
->pri_ext
= pri_ext
;
489 atmel_pri_ext
.pri
[0] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 0);
490 atmel_pri_ext
.pri
[1] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 1);
491 atmel_pri_ext
.pri
[2] = cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 2);
493 if ((atmel_pri_ext
.pri
[0] != 'P') || (atmel_pri_ext
.pri
[1] != 'R') || (atmel_pri_ext
.pri
[2] != 'I'))
495 if ((retval
= cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
499 LOG_ERROR("Could not read atmel bank information");
500 return ERROR_FLASH_BANK_INVALID
;
503 pri_ext
->pri
[0] = atmel_pri_ext
.pri
[0];
504 pri_ext
->pri
[1] = atmel_pri_ext
.pri
[1];
505 pri_ext
->pri
[2] = atmel_pri_ext
.pri
[2];
507 atmel_pri_ext
.major_version
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 3);
508 atmel_pri_ext
.minor_version
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 4);
510 LOG_DEBUG("pri: '%c%c%c', version: %c.%c", atmel_pri_ext
.pri
[0], atmel_pri_ext
.pri
[1], atmel_pri_ext
.pri
[2], atmel_pri_ext
.major_version
, atmel_pri_ext
.minor_version
);
512 pri_ext
->major_version
= atmel_pri_ext
.major_version
;
513 pri_ext
->minor_version
= atmel_pri_ext
.minor_version
;
515 atmel_pri_ext
.features
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 5);
516 atmel_pri_ext
.bottom_boot
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 6);
517 atmel_pri_ext
.burst_mode
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 7);
518 atmel_pri_ext
.page_mode
= cfi_query_u8(bank
, 0, cfi_info
->pri_addr
+ 8);
520 LOG_DEBUG("features: 0x%2.2x, bottom_boot: 0x%2.2x, burst_mode: 0x%2.2x, page_mode: 0x%2.2x",
521 atmel_pri_ext
.features
, atmel_pri_ext
.bottom_boot
, atmel_pri_ext
.burst_mode
, atmel_pri_ext
.page_mode
);
523 if (atmel_pri_ext
.features
& 0x02)
524 pri_ext
->EraseSuspend
= 2;
526 if (atmel_pri_ext
.bottom_boot
)
527 pri_ext
->TopBottom
= 2;
529 pri_ext
->TopBottom
= 3;
531 pri_ext
->_unlock1
= cfi_unlock_addresses
[CFI_UNLOCK_555_2AA
].unlock1
;
532 pri_ext
->_unlock2
= cfi_unlock_addresses
[CFI_UNLOCK_555_2AA
].unlock2
;
537 static int cfi_read_0002_pri_ext(struct flash_bank
*bank
)
539 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
541 if (cfi_info
->manufacturer
== CFI_MFR_ATMEL
)
543 return cfi_read_atmel_pri_ext(bank
);
547 return cfi_read_spansion_pri_ext(bank
);
551 static int cfi_spansion_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
554 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
555 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
557 printed
= snprintf(buf
, buf_size
, "\nSpansion primary algorithm extend information:\n");
561 printed
= snprintf(buf
, buf_size
, "pri: '%c%c%c', version: %c.%c\n", pri_ext
->pri
[0],
562 pri_ext
->pri
[1], pri_ext
->pri
[2],
563 pri_ext
->major_version
, pri_ext
->minor_version
);
567 printed
= snprintf(buf
, buf_size
, "Silicon Rev.: 0x%x, Address Sensitive unlock: 0x%x\n",
568 (pri_ext
->SiliconRevision
) >> 2,
569 (pri_ext
->SiliconRevision
) & 0x03);
573 printed
= snprintf(buf
, buf_size
, "Erase Suspend: 0x%x, Sector Protect: 0x%x\n",
574 pri_ext
->EraseSuspend
,
579 printed
= snprintf(buf
, buf_size
, "VppMin: %u.%x, VppMax: %u.%x\n",
580 (pri_ext
->VppMin
& 0xf0) >> 4, pri_ext
->VppMin
& 0x0f,
581 (pri_ext
->VppMax
& 0xf0) >> 4, pri_ext
->VppMax
& 0x0f);
586 static int cfi_intel_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
589 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
590 struct cfi_intel_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
592 printed
= snprintf(buf
, buf_size
, "\nintel primary algorithm extend information:\n");
596 printed
= snprintf(buf
, buf_size
, "pri: '%c%c%c', version: %c.%c\n", pri_ext
->pri
[0], pri_ext
->pri
[1], pri_ext
->pri
[2], pri_ext
->major_version
, pri_ext
->minor_version
);
600 printed
= snprintf(buf
, buf_size
, "feature_support: 0x%" PRIx32
", suspend_cmd_support: 0x%x, blk_status_reg_mask: 0x%x\n", pri_ext
->feature_support
, pri_ext
->suspend_cmd_support
, pri_ext
->blk_status_reg_mask
);
604 printed
= snprintf(buf
, buf_size
, "Vcc opt: %x.%x, Vpp opt: %u.%x\n",
605 (pri_ext
->vcc_optimal
& 0xf0) >> 4, pri_ext
->vcc_optimal
& 0x0f,
606 (pri_ext
->vpp_optimal
& 0xf0) >> 4, pri_ext
->vpp_optimal
& 0x0f);
610 printed
= snprintf(buf
, buf_size
, "protection_fields: %i, prot_reg_addr: 0x%x, factory pre-programmed: %i, user programmable: %i\n", pri_ext
->num_protection_fields
, pri_ext
->prot_reg_addr
, 1 << pri_ext
->fact_prot_reg_size
, 1 << pri_ext
->user_prot_reg_size
);
615 /* flash_bank cfi <base> <size> <chip_width> <bus_width> <target#> [options]
617 FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command
)
619 struct cfi_flash_bank
*cfi_info
;
623 LOG_WARNING("incomplete flash_bank cfi configuration");
624 return ERROR_FLASH_BANK_INVALID
;
628 * - not exceed max value;
630 * - be equal to a power of 2.
631 * bus must be wide enought to hold one chip */
632 if ((bank
->chip_width
> CFI_MAX_CHIP_WIDTH
)
633 || (bank
->bus_width
> CFI_MAX_BUS_WIDTH
)
634 || (bank
->chip_width
== 0)
635 || (bank
->bus_width
== 0)
636 || (bank
->chip_width
& (bank
->chip_width
- 1))
637 || (bank
->bus_width
& (bank
->bus_width
- 1))
638 || (bank
->chip_width
> bank
->bus_width
))
640 LOG_ERROR("chip and bus width have to specified in bytes");
641 return ERROR_FLASH_BANK_INVALID
;
644 cfi_info
= malloc(sizeof(struct cfi_flash_bank
));
645 cfi_info
->probed
= 0;
646 bank
->driver_priv
= cfi_info
;
648 cfi_info
->write_algorithm
= NULL
;
650 cfi_info
->x16_as_x8
= 0;
651 cfi_info
->jedec_probe
= 0;
652 cfi_info
->not_cfi
= 0;
654 for (unsigned i
= 6; i
< CMD_ARGC
; i
++)
656 if (strcmp(CMD_ARGV
[i
], "x16_as_x8") == 0)
658 cfi_info
->x16_as_x8
= 1;
660 else if (strcmp(CMD_ARGV
[i
], "jedec_probe") == 0)
662 cfi_info
->jedec_probe
= 1;
666 cfi_info
->write_algorithm
= NULL
;
668 /* bank wasn't probed yet */
669 cfi_info
->qry
[0] = -1;
674 static int cfi_intel_erase(struct flash_bank
*bank
, int first
, int last
)
677 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
680 cfi_intel_clear_status_register(bank
);
682 for (i
= first
; i
<= last
; i
++)
684 if ((retval
= cfi_send_command(bank
, 0x20, flash_address(bank
, i
, 0x0))) != ERROR_OK
)
689 if ((retval
= cfi_send_command(bank
, 0xd0, flash_address(bank
, i
, 0x0))) != ERROR_OK
)
694 if (cfi_intel_wait_status_busy(bank
, 1000 * (1 << cfi_info
->block_erase_timeout_typ
)) == 0x80)
695 bank
->sectors
[i
].is_erased
= 1;
698 if ((retval
= cfi_send_command(bank
, 0xff, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
703 LOG_ERROR("couldn't erase block %i of flash bank at base 0x%" PRIx32
, i
, bank
->base
);
704 return ERROR_FLASH_OPERATION_FAILED
;
708 return cfi_send_command(bank
, 0xff, flash_address(bank
, 0, 0x0));
711 static int cfi_spansion_erase(struct flash_bank
*bank
, int first
, int last
)
714 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
715 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
718 for (i
= first
; i
<= last
; i
++)
720 if ((retval
= cfi_send_command(bank
, 0xaa, flash_address(bank
, 0, pri_ext
->_unlock1
))) != ERROR_OK
)
725 if ((retval
= cfi_send_command(bank
, 0x55, flash_address(bank
, 0, pri_ext
->_unlock2
))) != ERROR_OK
)
730 if ((retval
= cfi_send_command(bank
, 0x80, flash_address(bank
, 0, pri_ext
->_unlock1
))) != ERROR_OK
)
735 if ((retval
= cfi_send_command(bank
, 0xaa, flash_address(bank
, 0, pri_ext
->_unlock1
))) != ERROR_OK
)
740 if ((retval
= cfi_send_command(bank
, 0x55, flash_address(bank
, 0, pri_ext
->_unlock2
))) != ERROR_OK
)
745 if ((retval
= cfi_send_command(bank
, 0x30, flash_address(bank
, i
, 0x0))) != ERROR_OK
)
750 if (cfi_spansion_wait_status_busy(bank
, 1000 * (1 << cfi_info
->block_erase_timeout_typ
)) == ERROR_OK
)
751 bank
->sectors
[i
].is_erased
= 1;
754 if ((retval
= cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
759 LOG_ERROR("couldn't erase block %i of flash bank at base 0x%" PRIx32
, i
, bank
->base
);
760 return ERROR_FLASH_OPERATION_FAILED
;
764 return cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x0));
767 static int cfi_erase(struct flash_bank
*bank
, int first
, int last
)
769 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
771 if (bank
->target
->state
!= TARGET_HALTED
)
773 LOG_ERROR("Target not halted");
774 return ERROR_TARGET_NOT_HALTED
;
777 if ((first
< 0) || (last
< first
) || (last
>= bank
->num_sectors
))
779 return ERROR_FLASH_SECTOR_INVALID
;
782 if (cfi_info
->qry
[0] != 'Q')
783 return ERROR_FLASH_BANK_NOT_PROBED
;
785 switch (cfi_info
->pri_id
)
789 return cfi_intel_erase(bank
, first
, last
);
792 return cfi_spansion_erase(bank
, first
, last
);
795 LOG_ERROR("cfi primary command set %i unsupported", cfi_info
->pri_id
);
802 static int cfi_intel_protect(struct flash_bank
*bank
, int set
, int first
, int last
)
805 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
806 struct cfi_intel_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
807 struct target
*target
= bank
->target
; /* FIXME: to be removed */
808 uint8_t command
[CFI_MAX_BUS_WIDTH
]; /* FIXME: to be removed */
812 /* if the device supports neither legacy lock/unlock (bit 3) nor
813 * instant individual block locking (bit 5).
815 if (!(pri_ext
->feature_support
& 0x28))
816 return ERROR_FLASH_OPERATION_FAILED
;
818 cfi_intel_clear_status_register(bank
);
820 for (i
= first
; i
<= last
; i
++)
822 cfi_command(bank
, 0x60, command
); /* FIXME: to be removed */
823 LOG_DEBUG("address: 0x%4.4" PRIx32
", command: 0x%4.4" PRIx32
, flash_address(bank
, i
, 0x0), target_buffer_get_u32(target
, command
));
824 if ((retval
= cfi_send_command(bank
, 0x60, flash_address(bank
, i
, 0x0))) != ERROR_OK
)
830 cfi_command(bank
, 0x01, command
); /* FIXME: to be removed */
831 LOG_DEBUG("address: 0x%4.4" PRIx32
", command: 0x%4.4" PRIx32
, flash_address(bank
, i
, 0x0), target_buffer_get_u32(target
, command
));
832 if ((retval
= cfi_send_command(bank
, 0x01, flash_address(bank
, i
, 0x0))) != ERROR_OK
)
836 bank
->sectors
[i
].is_protected
= 1;
840 cfi_command(bank
, 0xd0, command
); /* FIXME: to be removed */
841 LOG_DEBUG("address: 0x%4.4" PRIx32
", command: 0x%4.4" PRIx32
, flash_address(bank
, i
, 0x0), target_buffer_get_u32(target
, command
));
842 if ((retval
= cfi_send_command(bank
, 0xd0, flash_address(bank
, i
, 0x0))) != ERROR_OK
)
846 bank
->sectors
[i
].is_protected
= 0;
849 /* instant individual block locking doesn't require reading of the status register */
850 if (!(pri_ext
->feature_support
& 0x20))
852 /* Clear lock bits operation may take up to 1.4s */
853 cfi_intel_wait_status_busy(bank
, 1400);
857 uint8_t block_status
;
858 /* read block lock bit, to verify status */
859 if ((retval
= cfi_send_command(bank
, 0x90, flash_address(bank
, 0, 0x55))) != ERROR_OK
)
863 block_status
= cfi_get_u8(bank
, i
, 0x2);
865 if ((block_status
& 0x1) != set
)
867 LOG_ERROR("couldn't change block lock status (set = %i, block_status = 0x%2.2x)", set
, block_status
);
868 if ((retval
= cfi_send_command(bank
, 0x70, flash_address(bank
, 0, 0x55))) != ERROR_OK
)
872 cfi_intel_wait_status_busy(bank
, 10);
875 return ERROR_FLASH_OPERATION_FAILED
;
885 /* if the device doesn't support individual block lock bits set/clear,
886 * all blocks have been unlocked in parallel, so we set those that should be protected
888 if ((!set
) && (!(pri_ext
->feature_support
& 0x20)))
890 /* FIX!!! this code path is broken!!!
892 * The correct approach is:
894 * 1. read out current protection status
896 * 2. override read out protection status w/unprotected.
898 * 3. re-protect what should be protected.
901 for (i
= 0; i
< bank
->num_sectors
; i
++)
903 if (bank
->sectors
[i
].is_protected
== 1)
905 cfi_intel_clear_status_register(bank
);
907 if ((retval
= cfi_send_command(bank
, 0x60, flash_address(bank
, i
, 0x0))) != ERROR_OK
)
912 if ((retval
= cfi_send_command(bank
, 0x01, flash_address(bank
, i
, 0x0))) != ERROR_OK
)
917 cfi_intel_wait_status_busy(bank
, 100);
922 return cfi_send_command(bank
, 0xff, flash_address(bank
, 0, 0x0));
925 static int cfi_protect(struct flash_bank
*bank
, int set
, int first
, int last
)
927 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
929 if (bank
->target
->state
!= TARGET_HALTED
)
931 LOG_ERROR("Target not halted");
932 return ERROR_TARGET_NOT_HALTED
;
935 if ((first
< 0) || (last
< first
) || (last
>= bank
->num_sectors
))
937 LOG_ERROR("Invalid sector range");
938 return ERROR_FLASH_SECTOR_INVALID
;
941 if (cfi_info
->qry
[0] != 'Q')
942 return ERROR_FLASH_BANK_NOT_PROBED
;
944 switch (cfi_info
->pri_id
)
948 return cfi_intel_protect(bank
, set
, first
, last
);
951 LOG_ERROR("protect: cfi primary command set %i unsupported", cfi_info
->pri_id
);
956 /* Convert code image to target endian */
957 /* FIXME create general block conversion fcts in target.c?) */
958 static void cfi_fix_code_endian(struct target
*target
, uint8_t *dest
, const uint32_t *src
, uint32_t count
)
961 for (i
= 0; i
< count
; i
++)
963 target_buffer_set_u32(target
, dest
, *src
);
969 static uint32_t cfi_command_val(struct flash_bank
*bank
, uint8_t cmd
)
971 struct target
*target
= bank
->target
;
973 uint8_t buf
[CFI_MAX_BUS_WIDTH
];
974 cfi_command(bank
, cmd
, buf
);
975 switch (bank
->bus_width
)
981 return target_buffer_get_u16(target
, buf
);
984 return target_buffer_get_u32(target
, buf
);
987 LOG_ERROR("Unsupported bank buswidth %d, can't do block memory writes", bank
->bus_width
);
992 static int cfi_intel_write_block(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t address
, uint32_t count
)
994 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
995 struct target
*target
= bank
->target
;
996 struct reg_param reg_params
[7];
997 struct arm_algorithm armv4_5_info
;
998 struct working_area
*source
;
999 uint32_t buffer_size
= 32768;
1000 uint32_t write_command_val
, busy_pattern_val
, error_pattern_val
;
1002 /* algorithm register usage:
1003 * r0: source address (in RAM)
1004 * r1: target address (in Flash)
1006 * r3: flash write command
1007 * r4: status byte (returned to host)
1008 * r5: busy test pattern
1009 * r6: error test pattern
1012 static const uint32_t word_32_code
[] = {
1013 0xe4904004, /* loop: ldr r4, [r0], #4 */
1014 0xe5813000, /* str r3, [r1] */
1015 0xe5814000, /* str r4, [r1] */
1016 0xe5914000, /* busy: ldr r4, [r1] */
1017 0xe0047005, /* and r7, r4, r5 */
1018 0xe1570005, /* cmp r7, r5 */
1019 0x1afffffb, /* bne busy */
1020 0xe1140006, /* tst r4, r6 */
1021 0x1a000003, /* bne done */
1022 0xe2522001, /* subs r2, r2, #1 */
1023 0x0a000001, /* beq done */
1024 0xe2811004, /* add r1, r1 #4 */
1025 0xeafffff2, /* b loop */
1026 0xeafffffe /* done: b -2 */
1029 static const uint32_t word_16_code
[] = {
1030 0xe0d040b2, /* loop: ldrh r4, [r0], #2 */
1031 0xe1c130b0, /* strh r3, [r1] */
1032 0xe1c140b0, /* strh r4, [r1] */
1033 0xe1d140b0, /* busy ldrh r4, [r1] */
1034 0xe0047005, /* and r7, r4, r5 */
1035 0xe1570005, /* cmp r7, r5 */
1036 0x1afffffb, /* bne busy */
1037 0xe1140006, /* tst r4, r6 */
1038 0x1a000003, /* bne done */
1039 0xe2522001, /* subs r2, r2, #1 */
1040 0x0a000001, /* beq done */
1041 0xe2811002, /* add r1, r1 #2 */
1042 0xeafffff2, /* b loop */
1043 0xeafffffe /* done: b -2 */
1046 static const uint32_t word_8_code
[] = {
1047 0xe4d04001, /* loop: ldrb r4, [r0], #1 */
1048 0xe5c13000, /* strb r3, [r1] */
1049 0xe5c14000, /* strb r4, [r1] */
1050 0xe5d14000, /* busy ldrb r4, [r1] */
1051 0xe0047005, /* and r7, r4, r5 */
1052 0xe1570005, /* cmp r7, r5 */
1053 0x1afffffb, /* bne busy */
1054 0xe1140006, /* tst r4, r6 */
1055 0x1a000003, /* bne done */
1056 0xe2522001, /* subs r2, r2, #1 */
1057 0x0a000001, /* beq done */
1058 0xe2811001, /* add r1, r1 #1 */
1059 0xeafffff2, /* b loop */
1060 0xeafffffe /* done: b -2 */
1062 uint8_t target_code
[4*CFI_MAX_INTEL_CODESIZE
];
1063 const uint32_t *target_code_src
;
1064 uint32_t target_code_size
;
1065 int retval
= ERROR_OK
;
1068 cfi_intel_clear_status_register(bank
);
1070 armv4_5_info
.common_magic
= ARM_COMMON_MAGIC
;
1071 armv4_5_info
.core_mode
= ARM_MODE_SVC
;
1072 armv4_5_info
.core_state
= ARM_STATE_ARM
;
1074 /* If we are setting up the write_algorith, we need target_code_src */
1075 /* if not we only need target_code_size. */
1077 /* However, we don't want to create multiple code paths, so we */
1078 /* do the unecessary evaluation of target_code_src, which the */
1079 /* compiler will probably nicely optimize away if not needed */
1081 /* prepare algorithm code for target endian */
1082 switch (bank
->bus_width
)
1085 target_code_src
= word_8_code
;
1086 target_code_size
= sizeof(word_8_code
);
1089 target_code_src
= word_16_code
;
1090 target_code_size
= sizeof(word_16_code
);
1093 target_code_src
= word_32_code
;
1094 target_code_size
= sizeof(word_32_code
);
1097 LOG_ERROR("Unsupported bank buswidth %d, can't do block memory writes", bank
->bus_width
);
1098 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1101 /* flash write code */
1102 if (!cfi_info
->write_algorithm
)
1104 if (target_code_size
> sizeof(target_code
))
1106 LOG_WARNING("Internal error - target code buffer to small. Increase CFI_MAX_INTEL_CODESIZE and recompile.");
1107 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1109 cfi_fix_code_endian(target
, target_code
, target_code_src
, target_code_size
/ 4);
1111 /* Get memory for block write handler */
1112 retval
= target_alloc_working_area(target
, target_code_size
, &cfi_info
->write_algorithm
);
1113 if (retval
!= ERROR_OK
)
1115 LOG_WARNING("No working area available, can't do block memory writes");
1116 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1119 /* write algorithm code to working area */
1120 retval
= target_write_buffer(target
, cfi_info
->write_algorithm
->address
, target_code_size
, target_code
);
1121 if (retval
!= ERROR_OK
)
1123 LOG_ERROR("Unable to write block write code to target");
1128 /* Get a workspace buffer for the data to flash starting with 32k size.
1129 Half size until buffer would be smaller 256 Bytem then fail back */
1130 /* FIXME Why 256 bytes, why not 32 bytes (smallest flash write page */
1131 while (target_alloc_working_area_try(target
, buffer_size
, &source
) != ERROR_OK
)
1134 if (buffer_size
<= 256)
1136 LOG_WARNING("no large enough working area available, can't do block memory writes");
1137 retval
= ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1142 /* setup algo registers */
1143 init_reg_param(®_params
[0], "r0", 32, PARAM_OUT
);
1144 init_reg_param(®_params
[1], "r1", 32, PARAM_OUT
);
1145 init_reg_param(®_params
[2], "r2", 32, PARAM_OUT
);
1146 init_reg_param(®_params
[3], "r3", 32, PARAM_OUT
);
1147 init_reg_param(®_params
[4], "r4", 32, PARAM_IN
);
1148 init_reg_param(®_params
[5], "r5", 32, PARAM_OUT
);
1149 init_reg_param(®_params
[6], "r6", 32, PARAM_OUT
);
1151 /* prepare command and status register patterns */
1152 write_command_val
= cfi_command_val(bank
, 0x40);
1153 busy_pattern_val
= cfi_command_val(bank
, 0x80);
1154 error_pattern_val
= cfi_command_val(bank
, 0x7e);
1156 LOG_DEBUG("Using target buffer at 0x%08" PRIx32
" and of size 0x%04" PRIx32
, source
->address
, buffer_size
);
1158 /* Programming main loop */
1161 uint32_t thisrun_count
= (count
> buffer_size
) ? buffer_size
: count
;
1164 if ((retval
= target_write_buffer(target
, source
->address
, thisrun_count
, buffer
)) != ERROR_OK
)
1169 buf_set_u32(reg_params
[0].value
, 0, 32, source
->address
);
1170 buf_set_u32(reg_params
[1].value
, 0, 32, address
);
1171 buf_set_u32(reg_params
[2].value
, 0, 32, thisrun_count
/ bank
->bus_width
);
1173 buf_set_u32(reg_params
[3].value
, 0, 32, write_command_val
);
1174 buf_set_u32(reg_params
[5].value
, 0, 32, busy_pattern_val
);
1175 buf_set_u32(reg_params
[6].value
, 0, 32, error_pattern_val
);
1177 LOG_DEBUG("Write 0x%04" PRIx32
" bytes to flash at 0x%08" PRIx32
, thisrun_count
, address
);
1179 /* Execute algorithm, assume breakpoint for last instruction */
1180 retval
= target_run_algorithm(target
, 0, NULL
, 7, reg_params
,
1181 cfi_info
->write_algorithm
->address
,
1182 cfi_info
->write_algorithm
->address
+ target_code_size
- sizeof(uint32_t),
1183 10000, /* 10s should be enough for max. 32k of data */
1186 /* On failure try a fall back to direct word writes */
1187 if (retval
!= ERROR_OK
)
1189 cfi_intel_clear_status_register(bank
);
1190 LOG_ERROR("Execution of flash algorythm failed. Can't fall back. Please report.");
1191 retval
= ERROR_FLASH_OPERATION_FAILED
;
1192 /* retval = ERROR_TARGET_RESOURCE_NOT_AVAILABLE; */
1193 /* FIXME To allow fall back or recovery, we must save the actual status
1194 somewhere, so that a higher level code can start recovery. */
1198 /* Check return value from algo code */
1199 wsm_error
= buf_get_u32(reg_params
[4].value
, 0, 32) & error_pattern_val
;
1202 /* read status register (outputs debug inforation) */
1203 cfi_intel_wait_status_busy(bank
, 100);
1204 cfi_intel_clear_status_register(bank
);
1205 retval
= ERROR_FLASH_OPERATION_FAILED
;
1209 buffer
+= thisrun_count
;
1210 address
+= thisrun_count
;
1211 count
-= thisrun_count
;
1214 /* free up resources */
1217 target_free_working_area(target
, source
);
1219 if (cfi_info
->write_algorithm
)
1221 target_free_working_area(target
, cfi_info
->write_algorithm
);
1222 cfi_info
->write_algorithm
= NULL
;
1225 destroy_reg_param(®_params
[0]);
1226 destroy_reg_param(®_params
[1]);
1227 destroy_reg_param(®_params
[2]);
1228 destroy_reg_param(®_params
[3]);
1229 destroy_reg_param(®_params
[4]);
1230 destroy_reg_param(®_params
[5]);
1231 destroy_reg_param(®_params
[6]);
1236 static int cfi_spansion_write_block(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t address
, uint32_t count
)
1238 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1239 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
1240 struct target
*target
= bank
->target
;
1241 struct reg_param reg_params
[10];
1242 struct arm_algorithm armv4_5_info
;
1243 struct working_area
*source
;
1244 uint32_t buffer_size
= 32768;
1246 int retval
, retvaltemp
;
1247 int exit_code
= ERROR_OK
;
1249 /* input parameters - */
1250 /* R0 = source address */
1251 /* R1 = destination address */
1252 /* R2 = number of writes */
1253 /* R3 = flash write command */
1254 /* R4 = constant to mask DQ7 bits (also used for Dq5 with shift) */
1255 /* output parameters - */
1256 /* R5 = 0x80 ok 0x00 bad */
1257 /* temp registers - */
1258 /* R6 = value read from flash to test status */
1259 /* R7 = holding register */
1260 /* unlock registers - */
1261 /* R8 = unlock1_addr */
1262 /* R9 = unlock1_cmd */
1263 /* R10 = unlock2_addr */
1264 /* R11 = unlock2_cmd */
1266 static const uint32_t word_32_code
[] = {
1267 /* 00008100 <sp_32_code>: */
1268 0xe4905004, /* ldr r5, [r0], #4 */
1269 0xe5889000, /* str r9, [r8] */
1270 0xe58ab000, /* str r11, [r10] */
1271 0xe5883000, /* str r3, [r8] */
1272 0xe5815000, /* str r5, [r1] */
1273 0xe1a00000, /* nop */
1275 /* 00008110 <sp_32_busy>: */
1276 0xe5916000, /* ldr r6, [r1] */
1277 0xe0257006, /* eor r7, r5, r6 */
1278 0xe0147007, /* ands r7, r4, r7 */
1279 0x0a000007, /* beq 8140 <sp_32_cont> ; b if DQ7 == Data7 */
1280 0xe0166124, /* ands r6, r6, r4, lsr #2 */
1281 0x0afffff9, /* beq 8110 <sp_32_busy> ; b if DQ5 low */
1282 0xe5916000, /* ldr r6, [r1] */
1283 0xe0257006, /* eor r7, r5, r6 */
1284 0xe0147007, /* ands r7, r4, r7 */
1285 0x0a000001, /* beq 8140 <sp_32_cont> ; b if DQ7 == Data7 */
1286 0xe3a05000, /* mov r5, #0 ; 0x0 - return 0x00, error */
1287 0x1a000004, /* bne 8154 <sp_32_done> */
1289 /* 00008140 <sp_32_cont>: */
1290 0xe2522001, /* subs r2, r2, #1 ; 0x1 */
1291 0x03a05080, /* moveq r5, #128 ; 0x80 */
1292 0x0a000001, /* beq 8154 <sp_32_done> */
1293 0xe2811004, /* add r1, r1, #4 ; 0x4 */
1294 0xeaffffe8, /* b 8100 <sp_32_code> */
1296 /* 00008154 <sp_32_done>: */
1297 0xeafffffe /* b 8154 <sp_32_done> */
1300 static const uint32_t word_16_code
[] = {
1301 /* 00008158 <sp_16_code>: */
1302 0xe0d050b2, /* ldrh r5, [r0], #2 */
1303 0xe1c890b0, /* strh r9, [r8] */
1304 0xe1cab0b0, /* strh r11, [r10] */
1305 0xe1c830b0, /* strh r3, [r8] */
1306 0xe1c150b0, /* strh r5, [r1] */
1307 0xe1a00000, /* nop (mov r0,r0) */
1309 /* 00008168 <sp_16_busy>: */
1310 0xe1d160b0, /* ldrh r6, [r1] */
1311 0xe0257006, /* eor r7, r5, r6 */
1312 0xe0147007, /* ands r7, r4, r7 */
1313 0x0a000007, /* beq 8198 <sp_16_cont> */
1314 0xe0166124, /* ands r6, r6, r4, lsr #2 */
1315 0x0afffff9, /* beq 8168 <sp_16_busy> */
1316 0xe1d160b0, /* ldrh r6, [r1] */
1317 0xe0257006, /* eor r7, r5, r6 */
1318 0xe0147007, /* ands r7, r4, r7 */
1319 0x0a000001, /* beq 8198 <sp_16_cont> */
1320 0xe3a05000, /* mov r5, #0 ; 0x0 */
1321 0x1a000004, /* bne 81ac <sp_16_done> */
1323 /* 00008198 <sp_16_cont>: */
1324 0xe2522001, /* subs r2, r2, #1 ; 0x1 */
1325 0x03a05080, /* moveq r5, #128 ; 0x80 */
1326 0x0a000001, /* beq 81ac <sp_16_done> */
1327 0xe2811002, /* add r1, r1, #2 ; 0x2 */
1328 0xeaffffe8, /* b 8158 <sp_16_code> */
1330 /* 000081ac <sp_16_done>: */
1331 0xeafffffe /* b 81ac <sp_16_done> */
1334 static const uint32_t word_16_code_dq7only
[] = {
1336 0xe0d050b2, /* ldrh r5, [r0], #2 */
1337 0xe1c890b0, /* strh r9, [r8] */
1338 0xe1cab0b0, /* strh r11, [r10] */
1339 0xe1c830b0, /* strh r3, [r8] */
1340 0xe1c150b0, /* strh r5, [r1] */
1341 0xe1a00000, /* nop (mov r0,r0) */
1344 0xe1d160b0, /* ldrh r6, [r1] */
1345 0xe0257006, /* eor r7, r5, r6 */
1346 0xe2177080, /* ands r7, #0x80 */
1347 0x1afffffb, /* bne 8168 <sp_16_busy> */
1349 0xe2522001, /* subs r2, r2, #1 ; 0x1 */
1350 0x03a05080, /* moveq r5, #128 ; 0x80 */
1351 0x0a000001, /* beq 81ac <sp_16_done> */
1352 0xe2811002, /* add r1, r1, #2 ; 0x2 */
1353 0xeafffff0, /* b 8158 <sp_16_code> */
1355 /* 000081ac <sp_16_done>: */
1356 0xeafffffe /* b 81ac <sp_16_done> */
1359 static const uint32_t word_8_code
[] = {
1360 /* 000081b0 <sp_16_code_end>: */
1361 0xe4d05001, /* ldrb r5, [r0], #1 */
1362 0xe5c89000, /* strb r9, [r8] */
1363 0xe5cab000, /* strb r11, [r10] */
1364 0xe5c83000, /* strb r3, [r8] */
1365 0xe5c15000, /* strb r5, [r1] */
1366 0xe1a00000, /* nop (mov r0,r0) */
1368 /* 000081c0 <sp_8_busy>: */
1369 0xe5d16000, /* ldrb r6, [r1] */
1370 0xe0257006, /* eor r7, r5, r6 */
1371 0xe0147007, /* ands r7, r4, r7 */
1372 0x0a000007, /* beq 81f0 <sp_8_cont> */
1373 0xe0166124, /* ands r6, r6, r4, lsr #2 */
1374 0x0afffff9, /* beq 81c0 <sp_8_busy> */
1375 0xe5d16000, /* ldrb r6, [r1] */
1376 0xe0257006, /* eor r7, r5, r6 */
1377 0xe0147007, /* ands r7, r4, r7 */
1378 0x0a000001, /* beq 81f0 <sp_8_cont> */
1379 0xe3a05000, /* mov r5, #0 ; 0x0 */
1380 0x1a000004, /* bne 8204 <sp_8_done> */
1382 /* 000081f0 <sp_8_cont>: */
1383 0xe2522001, /* subs r2, r2, #1 ; 0x1 */
1384 0x03a05080, /* moveq r5, #128 ; 0x80 */
1385 0x0a000001, /* beq 8204 <sp_8_done> */
1386 0xe2811001, /* add r1, r1, #1 ; 0x1 */
1387 0xeaffffe8, /* b 81b0 <sp_16_code_end> */
1389 /* 00008204 <sp_8_done>: */
1390 0xeafffffe /* b 8204 <sp_8_done> */
1393 armv4_5_info
.common_magic
= ARM_COMMON_MAGIC
;
1394 armv4_5_info
.core_mode
= ARM_MODE_SVC
;
1395 armv4_5_info
.core_state
= ARM_STATE_ARM
;
1397 int target_code_size
;
1398 const uint32_t *target_code_src
;
1400 switch (bank
->bus_width
)
1403 target_code_src
= word_8_code
;
1404 target_code_size
= sizeof(word_8_code
);
1407 /* Check for DQ5 support */
1408 if( cfi_info
->status_poll_mask
& (1 << 5) )
1410 target_code_src
= word_16_code
;
1411 target_code_size
= sizeof(word_16_code
);
1415 /* No DQ5 support. Use DQ7 DATA# polling only. */
1416 target_code_src
= word_16_code_dq7only
;
1417 target_code_size
= sizeof(word_16_code_dq7only
);
1421 target_code_src
= word_32_code
;
1422 target_code_size
= sizeof(word_32_code
);
1425 LOG_ERROR("Unsupported bank buswidth %d, can't do block memory writes", bank
->bus_width
);
1426 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1429 /* flash write code */
1430 if (!cfi_info
->write_algorithm
)
1432 uint8_t *target_code
;
1434 /* convert bus-width dependent algorithm code to correct endiannes */
1435 target_code
= malloc(target_code_size
);
1436 cfi_fix_code_endian(target
, target_code
, target_code_src
, target_code_size
/ 4);
1438 /* allocate working area */
1439 retval
= target_alloc_working_area(target
, target_code_size
,
1440 &cfi_info
->write_algorithm
);
1441 if (retval
!= ERROR_OK
)
1447 /* write algorithm code to working area */
1448 if ((retval
= target_write_buffer(target
, cfi_info
->write_algorithm
->address
,
1449 target_code_size
, target_code
)) != ERROR_OK
)
1457 /* the following code still assumes target code is fixed 24*4 bytes */
1459 while (target_alloc_working_area_try(target
, buffer_size
, &source
) != ERROR_OK
)
1462 if (buffer_size
<= 256)
1464 /* if we already allocated the writing code, but failed to get a buffer, free the algorithm */
1465 if (cfi_info
->write_algorithm
)
1466 target_free_working_area(target
, cfi_info
->write_algorithm
);
1468 LOG_WARNING("not enough working area available, can't do block memory writes");
1469 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1473 init_reg_param(®_params
[0], "r0", 32, PARAM_OUT
);
1474 init_reg_param(®_params
[1], "r1", 32, PARAM_OUT
);
1475 init_reg_param(®_params
[2], "r2", 32, PARAM_OUT
);
1476 init_reg_param(®_params
[3], "r3", 32, PARAM_OUT
);
1477 init_reg_param(®_params
[4], "r4", 32, PARAM_OUT
);
1478 init_reg_param(®_params
[5], "r5", 32, PARAM_IN
);
1479 init_reg_param(®_params
[6], "r8", 32, PARAM_OUT
);
1480 init_reg_param(®_params
[7], "r9", 32, PARAM_OUT
);
1481 init_reg_param(®_params
[8], "r10", 32, PARAM_OUT
);
1482 init_reg_param(®_params
[9], "r11", 32, PARAM_OUT
);
1486 uint32_t thisrun_count
= (count
> buffer_size
) ? buffer_size
: count
;
1488 retvaltemp
= target_write_buffer(target
, source
->address
, thisrun_count
, buffer
);
1490 buf_set_u32(reg_params
[0].value
, 0, 32, source
->address
);
1491 buf_set_u32(reg_params
[1].value
, 0, 32, address
);
1492 buf_set_u32(reg_params
[2].value
, 0, 32, thisrun_count
/ bank
->bus_width
);
1493 buf_set_u32(reg_params
[3].value
, 0, 32, cfi_command_val(bank
, 0xA0));
1494 buf_set_u32(reg_params
[4].value
, 0, 32, cfi_command_val(bank
, 0x80));
1495 buf_set_u32(reg_params
[6].value
, 0, 32, flash_address(bank
, 0, pri_ext
->_unlock1
));
1496 buf_set_u32(reg_params
[7].value
, 0, 32, 0xaaaaaaaa);
1497 buf_set_u32(reg_params
[8].value
, 0, 32, flash_address(bank
, 0, pri_ext
->_unlock2
));
1498 buf_set_u32(reg_params
[9].value
, 0, 32, 0x55555555);
1500 retval
= target_run_algorithm(target
, 0, NULL
, 10, reg_params
,
1501 cfi_info
->write_algorithm
->address
,
1502 cfi_info
->write_algorithm
->address
+ ((target_code_size
) - 4),
1503 10000, &armv4_5_info
);
1505 status
= buf_get_u32(reg_params
[5].value
, 0, 32);
1507 if ((retval
!= ERROR_OK
) || (retvaltemp
!= ERROR_OK
) || status
!= 0x80)
1509 LOG_DEBUG("status: 0x%" PRIx32
, status
);
1510 exit_code
= ERROR_FLASH_OPERATION_FAILED
;
1514 buffer
+= thisrun_count
;
1515 address
+= thisrun_count
;
1516 count
-= thisrun_count
;
1519 target_free_all_working_areas(target
);
1521 destroy_reg_param(®_params
[0]);
1522 destroy_reg_param(®_params
[1]);
1523 destroy_reg_param(®_params
[2]);
1524 destroy_reg_param(®_params
[3]);
1525 destroy_reg_param(®_params
[4]);
1526 destroy_reg_param(®_params
[5]);
1527 destroy_reg_param(®_params
[6]);
1528 destroy_reg_param(®_params
[7]);
1529 destroy_reg_param(®_params
[8]);
1530 destroy_reg_param(®_params
[9]);
1535 static int cfi_intel_write_word(struct flash_bank
*bank
, uint8_t *word
, uint32_t address
)
1538 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1539 struct target
*target
= bank
->target
;
1541 cfi_intel_clear_status_register(bank
);
1542 if ((retval
= cfi_send_command(bank
, 0x40, address
)) != ERROR_OK
)
1547 if ((retval
= target_write_memory(target
, address
, bank
->bus_width
, 1, word
)) != ERROR_OK
)
1552 if (cfi_intel_wait_status_busy(bank
, 1000 * (1 << cfi_info
->word_write_timeout_max
)) != 0x80)
1554 if ((retval
= cfi_send_command(bank
, 0xff, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
1559 LOG_ERROR("couldn't write word at base 0x%" PRIx32
", address %" PRIx32
, bank
->base
, address
);
1560 return ERROR_FLASH_OPERATION_FAILED
;
1566 static int cfi_intel_write_words(struct flash_bank
*bank
, uint8_t *word
, uint32_t wordcount
, uint32_t address
)
1569 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1570 struct target
*target
= bank
->target
;
1572 /* Calculate buffer size and boundary mask */
1573 /* buffersize is (buffer size per chip) * (number of chips) */
1574 /* bufferwsize is buffersize in words */
1575 uint32_t buffersize
= (1UL << cfi_info
->max_buf_write_size
) * (bank
->bus_width
/ bank
->chip_width
);
1576 uint32_t buffermask
= buffersize
-1;
1577 uint32_t bufferwsize
= buffersize
/ bank
->bus_width
;
1579 /* Check for valid range */
1580 if (address
& buffermask
)
1582 LOG_ERROR("Write address at base 0x%" PRIx32
", address %" PRIx32
" not aligned to 2^%d boundary",
1583 bank
->base
, address
, cfi_info
->max_buf_write_size
);
1584 return ERROR_FLASH_OPERATION_FAILED
;
1587 /* Check for valid size */
1588 if (wordcount
> bufferwsize
)
1590 LOG_ERROR("Number of data words %" PRId32
" exceeds available buffersize %" PRId32
, wordcount
, buffersize
);
1591 return ERROR_FLASH_OPERATION_FAILED
;
1594 /* Write to flash buffer */
1595 cfi_intel_clear_status_register(bank
);
1597 /* Initiate buffer operation _*/
1598 if ((retval
= cfi_send_command(bank
, 0xe8, address
)) != ERROR_OK
)
1602 if (cfi_intel_wait_status_busy(bank
, 1000 * (1 << cfi_info
->buf_write_timeout_max
)) != 0x80)
1604 if ((retval
= cfi_send_command(bank
, 0xff, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
1609 LOG_ERROR("couldn't start buffer write operation at base 0x%" PRIx32
", address %" PRIx32
, bank
->base
, address
);
1610 return ERROR_FLASH_OPERATION_FAILED
;
1613 /* Write buffer wordcount-1 and data words */
1614 if ((retval
= cfi_send_command(bank
, bufferwsize
-1, address
)) != ERROR_OK
)
1619 if ((retval
= target_write_memory(target
, address
, bank
->bus_width
, bufferwsize
, word
)) != ERROR_OK
)
1624 /* Commit write operation */
1625 if ((retval
= cfi_send_command(bank
, 0xd0, address
)) != ERROR_OK
)
1629 if (cfi_intel_wait_status_busy(bank
, 1000 * (1 << cfi_info
->buf_write_timeout_max
)) != 0x80)
1631 if ((retval
= cfi_send_command(bank
, 0xff, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
1636 LOG_ERROR("Buffer write at base 0x%" PRIx32
", address %" PRIx32
" failed.", bank
->base
, address
);
1637 return ERROR_FLASH_OPERATION_FAILED
;
1643 static int cfi_spansion_write_word(struct flash_bank
*bank
, uint8_t *word
, uint32_t address
)
1646 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1647 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
1648 struct target
*target
= bank
->target
;
1650 if ((retval
= cfi_send_command(bank
, 0xaa, flash_address(bank
, 0, pri_ext
->_unlock1
))) != ERROR_OK
)
1655 if ((retval
= cfi_send_command(bank
, 0x55, flash_address(bank
, 0, pri_ext
->_unlock2
))) != ERROR_OK
)
1660 if ((retval
= cfi_send_command(bank
, 0xa0, flash_address(bank
, 0, pri_ext
->_unlock1
))) != ERROR_OK
)
1665 if ((retval
= target_write_memory(target
, address
, bank
->bus_width
, 1, word
)) != ERROR_OK
)
1670 if (cfi_spansion_wait_status_busy(bank
, 1000 * (1 << cfi_info
->word_write_timeout_max
)) != ERROR_OK
)
1672 if ((retval
= cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
1677 LOG_ERROR("couldn't write word at base 0x%" PRIx32
", address %" PRIx32
, bank
->base
, address
);
1678 return ERROR_FLASH_OPERATION_FAILED
;
1684 static int cfi_spansion_write_words(struct flash_bank
*bank
, uint8_t *word
, uint32_t wordcount
, uint32_t address
)
1687 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1688 struct target
*target
= bank
->target
;
1689 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
1691 /* Calculate buffer size and boundary mask */
1692 /* buffersize is (buffer size per chip) * (number of chips) */
1693 /* bufferwsize is buffersize in words */
1694 uint32_t buffersize
= (1UL << cfi_info
->max_buf_write_size
) * (bank
->bus_width
/ bank
->chip_width
);
1695 uint32_t buffermask
= buffersize
-1;
1696 uint32_t bufferwsize
= buffersize
/ bank
->bus_width
;
1698 /* Check for valid range */
1699 if (address
& buffermask
)
1701 LOG_ERROR("Write address at base 0x%" PRIx32
", address %" PRIx32
" not aligned to 2^%d boundary", bank
->base
, address
, cfi_info
->max_buf_write_size
);
1702 return ERROR_FLASH_OPERATION_FAILED
;
1705 /* Check for valid size */
1706 if (wordcount
> bufferwsize
)
1708 LOG_ERROR("Number of data words %" PRId32
" exceeds available buffersize %" PRId32
, wordcount
, buffersize
);
1709 return ERROR_FLASH_OPERATION_FAILED
;
1713 if ((retval
= cfi_send_command(bank
, 0xaa, flash_address(bank
, 0, pri_ext
->_unlock1
))) != ERROR_OK
)
1718 if ((retval
= cfi_send_command(bank
, 0x55, flash_address(bank
, 0, pri_ext
->_unlock2
))) != ERROR_OK
)
1723 // Buffer load command
1724 if ((retval
= cfi_send_command(bank
, 0x25, address
)) != ERROR_OK
)
1729 /* Write buffer wordcount-1 and data words */
1730 if ((retval
= cfi_send_command(bank
, bufferwsize
-1, address
)) != ERROR_OK
)
1735 if ((retval
= target_write_memory(target
, address
, bank
->bus_width
, bufferwsize
, word
)) != ERROR_OK
)
1740 /* Commit write operation */
1741 if ((retval
= cfi_send_command(bank
, 0x29, address
)) != ERROR_OK
)
1746 if (cfi_spansion_wait_status_busy(bank
, 1000 * (1 << cfi_info
->word_write_timeout_max
)) != ERROR_OK
)
1748 if ((retval
= cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x0))) != ERROR_OK
)
1753 LOG_ERROR("couldn't write block at base 0x%" PRIx32
", address %" PRIx32
", size %" PRIx32
, bank
->base
, address
, bufferwsize
);
1754 return ERROR_FLASH_OPERATION_FAILED
;
1760 static int cfi_write_word(struct flash_bank
*bank
, uint8_t *word
, uint32_t address
)
1762 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1764 switch (cfi_info
->pri_id
)
1768 return cfi_intel_write_word(bank
, word
, address
);
1771 return cfi_spansion_write_word(bank
, word
, address
);
1774 LOG_ERROR("cfi primary command set %i unsupported", cfi_info
->pri_id
);
1778 return ERROR_FLASH_OPERATION_FAILED
;
1781 static int cfi_write_words(struct flash_bank
*bank
, uint8_t *word
, uint32_t wordcount
, uint32_t address
)
1783 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1785 switch (cfi_info
->pri_id
)
1789 return cfi_intel_write_words(bank
, word
, wordcount
, address
);
1792 return cfi_spansion_write_words(bank
, word
, wordcount
, address
);
1795 LOG_ERROR("cfi primary command set %i unsupported", cfi_info
->pri_id
);
1799 return ERROR_FLASH_OPERATION_FAILED
;
1802 static int cfi_write(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t offset
, uint32_t count
)
1804 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1805 struct target
*target
= bank
->target
;
1806 uint32_t address
= bank
->base
+ offset
; /* address of first byte to be programmed */
1808 int align
; /* number of unaligned bytes */
1809 int blk_count
; /* number of bus_width bytes for block copy */
1810 uint8_t current_word
[CFI_MAX_BUS_WIDTH
* 4]; /* word (bus_width size) currently being programmed */
1814 if (bank
->target
->state
!= TARGET_HALTED
)
1816 LOG_ERROR("Target not halted");
1817 return ERROR_TARGET_NOT_HALTED
;
1820 if (offset
+ count
> bank
->size
)
1821 return ERROR_FLASH_DST_OUT_OF_BANK
;
1823 if (cfi_info
->qry
[0] != 'Q')
1824 return ERROR_FLASH_BANK_NOT_PROBED
;
1826 /* start at the first byte of the first word (bus_width size) */
1827 write_p
= address
& ~(bank
->bus_width
- 1);
1828 if ((align
= address
- write_p
) != 0)
1830 LOG_INFO("Fixup %d unaligned head bytes", align
);
1832 /* read a complete word from flash */
1833 if ((retval
= target_read_memory(target
, write_p
, bank
->bus_width
, 1, current_word
)) != ERROR_OK
)
1836 /* replace only bytes that must be written */
1837 for (i
= align
; (i
< bank
->bus_width
) && (count
> 0); i
++, count
--)
1838 current_word
[i
] = *buffer
++;
1840 retval
= cfi_write_word(bank
, current_word
, write_p
);
1841 if (retval
!= ERROR_OK
)
1843 write_p
+= bank
->bus_width
;
1846 /* handle blocks of bus_size aligned bytes */
1847 blk_count
= count
& ~(bank
->bus_width
- 1); /* round down, leave tail bytes */
1848 switch (cfi_info
->pri_id
)
1850 /* try block writes (fails without working area) */
1853 retval
= cfi_intel_write_block(bank
, buffer
, write_p
, blk_count
);
1856 retval
= cfi_spansion_write_block(bank
, buffer
, write_p
, blk_count
);
1859 LOG_ERROR("cfi primary command set %i unsupported", cfi_info
->pri_id
);
1860 retval
= ERROR_FLASH_OPERATION_FAILED
;
1863 if (retval
== ERROR_OK
)
1865 /* Increment pointers and decrease count on succesful block write */
1866 buffer
+= blk_count
;
1867 write_p
+= blk_count
;
1872 if (retval
== ERROR_TARGET_RESOURCE_NOT_AVAILABLE
)
1874 /* Calculate buffer size and boundary mask */
1875 /* buffersize is (buffer size per chip) * (number of chips) */
1876 /* bufferwsize is buffersize in words */
1877 uint32_t buffersize
= (1UL << cfi_info
->max_buf_write_size
) * (bank
->bus_width
/ bank
->chip_width
);
1878 uint32_t buffermask
= buffersize
-1;
1879 uint32_t bufferwsize
= buffersize
/ bank
->bus_width
;
1881 /* fall back to memory writes */
1882 while (count
>= (uint32_t)bank
->bus_width
)
1885 if ((write_p
& 0xff) == 0)
1887 LOG_INFO("Programming at %08" PRIx32
", count %08" PRIx32
" bytes remaining", write_p
, count
);
1890 if ((bufferwsize
> 0) && (count
>= buffersize
) && !(write_p
& buffermask
))
1892 retval
= cfi_write_words(bank
, buffer
, bufferwsize
, write_p
);
1893 if (retval
== ERROR_OK
)
1895 buffer
+= buffersize
;
1896 write_p
+= buffersize
;
1897 count
-= buffersize
;
1901 /* try the slow way? */
1904 for (i
= 0; i
< bank
->bus_width
; i
++)
1905 current_word
[i
] = *buffer
++;
1907 retval
= cfi_write_word(bank
, current_word
, write_p
);
1908 if (retval
!= ERROR_OK
)
1911 write_p
+= bank
->bus_width
;
1912 count
-= bank
->bus_width
;
1920 /* return to read array mode, so we can read from flash again for padding */
1921 if ((retval
= cfi_reset(bank
)) != ERROR_OK
)
1926 /* handle unaligned tail bytes */
1929 LOG_INFO("Fixup %" PRId32
" unaligned tail bytes", count
);
1931 /* read a complete word from flash */
1932 if ((retval
= target_read_memory(target
, write_p
, bank
->bus_width
, 1, current_word
)) != ERROR_OK
)
1935 /* replace only bytes that must be written */
1936 for (i
= 0; (i
< bank
->bus_width
) && (count
> 0); i
++, count
--)
1937 current_word
[i
] = *buffer
++;
1939 retval
= cfi_write_word(bank
, current_word
, write_p
);
1940 if (retval
!= ERROR_OK
)
1944 /* return to read array mode */
1945 return cfi_reset(bank
);
1948 static void cfi_fixup_atmel_reversed_erase_regions(struct flash_bank
*bank
, void *param
)
1951 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1952 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
1954 pri_ext
->_reversed_geometry
= 1;
1957 static void cfi_fixup_0002_erase_regions(struct flash_bank
*bank
, void *param
)
1960 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1961 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
1964 if ((pri_ext
->_reversed_geometry
) || (pri_ext
->TopBottom
== 3))
1966 LOG_DEBUG("swapping reversed erase region information on cmdset 0002 device");
1968 for (i
= 0; i
< cfi_info
->num_erase_regions
/ 2; i
++)
1970 int j
= (cfi_info
->num_erase_regions
- 1) - i
;
1973 swap
= cfi_info
->erase_region_info
[i
];
1974 cfi_info
->erase_region_info
[i
] = cfi_info
->erase_region_info
[j
];
1975 cfi_info
->erase_region_info
[j
] = swap
;
1980 static void cfi_fixup_0002_unlock_addresses(struct flash_bank
*bank
, void *param
)
1982 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1983 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
1984 struct cfi_unlock_addresses
*unlock_addresses
= param
;
1986 pri_ext
->_unlock1
= unlock_addresses
->unlock1
;
1987 pri_ext
->_unlock2
= unlock_addresses
->unlock2
;
1991 static int cfi_query_string(struct flash_bank
*bank
, int address
)
1993 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
1996 if ((retval
= cfi_send_command(bank
, 0x98, flash_address(bank
, 0, address
))) != ERROR_OK
)
2001 cfi_info
->qry
[0] = cfi_query_u8(bank
, 0, 0x10);
2002 cfi_info
->qry
[1] = cfi_query_u8(bank
, 0, 0x11);
2003 cfi_info
->qry
[2] = cfi_query_u8(bank
, 0, 0x12);
2005 LOG_DEBUG("CFI qry returned: 0x%2.2x 0x%2.2x 0x%2.2x", cfi_info
->qry
[0], cfi_info
->qry
[1], cfi_info
->qry
[2]);
2007 if ((cfi_info
->qry
[0] != 'Q') || (cfi_info
->qry
[1] != 'R') || (cfi_info
->qry
[2] != 'Y'))
2009 if ((retval
= cfi_reset(bank
)) != ERROR_OK
)
2013 LOG_ERROR("Could not probe bank: no QRY");
2014 return ERROR_FLASH_BANK_INVALID
;
2020 static int cfi_probe(struct flash_bank
*bank
)
2022 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
2023 struct target
*target
= bank
->target
;
2024 int num_sectors
= 0;
2027 uint32_t unlock1
= 0x555;
2028 uint32_t unlock2
= 0x2aa;
2030 uint8_t value_buf0
[CFI_MAX_BUS_WIDTH
], value_buf1
[CFI_MAX_BUS_WIDTH
];
2032 if (bank
->target
->state
!= TARGET_HALTED
)
2034 LOG_ERROR("Target not halted");
2035 return ERROR_TARGET_NOT_HALTED
;
2038 cfi_info
->probed
= 0;
2040 /* JEDEC standard JESD21C uses 0x5555 and 0x2aaa as unlock addresses,
2041 * while CFI compatible AMD/Spansion flashes use 0x555 and 0x2aa
2043 if (cfi_info
->jedec_probe
)
2049 /* switch to read identifier codes mode ("AUTOSELECT") */
2050 if ((retval
= cfi_send_command(bank
, 0xaa, flash_address(bank
, 0, unlock1
))) != ERROR_OK
)
2054 if ((retval
= cfi_send_command(bank
, 0x55, flash_address(bank
, 0, unlock2
))) != ERROR_OK
)
2058 if ((retval
= cfi_send_command(bank
, 0x90, flash_address(bank
, 0, unlock1
))) != ERROR_OK
)
2063 if ((retval
= target_read_memory(target
, flash_address(bank
, 0, 0x00), bank
->bus_width
, 1, value_buf0
)) != ERROR_OK
)
2067 if ((retval
= target_read_memory(target
, flash_address(bank
, 0, 0x01), bank
->bus_width
, 1, value_buf1
)) != ERROR_OK
)
2071 switch (bank
->chip_width
) {
2073 cfi_info
->manufacturer
= *value_buf0
;
2074 cfi_info
->device_id
= *value_buf1
;
2077 cfi_info
->manufacturer
= target_buffer_get_u16(target
, value_buf0
);
2078 cfi_info
->device_id
= target_buffer_get_u16(target
, value_buf1
);
2081 cfi_info
->manufacturer
= target_buffer_get_u32(target
, value_buf0
);
2082 cfi_info
->device_id
= target_buffer_get_u32(target
, value_buf1
);
2085 LOG_ERROR("Unsupported bank chipwidth %d, can't probe memory", bank
->chip_width
);
2086 return ERROR_FLASH_OPERATION_FAILED
;
2089 LOG_INFO("Flash Manufacturer/Device: 0x%04x 0x%04x", cfi_info
->manufacturer
, cfi_info
->device_id
);
2090 /* switch back to read array mode */
2091 if ((retval
= cfi_reset(bank
)) != ERROR_OK
)
2096 /* check device/manufacturer ID for known non-CFI flashes. */
2097 cfi_fixup_non_cfi(bank
);
2099 /* query only if this is a CFI compatible flash,
2100 * otherwise the relevant info has already been filled in
2102 if (cfi_info
->not_cfi
== 0)
2106 /* enter CFI query mode
2107 * according to JEDEC Standard No. 68.01,
2108 * a single bus sequence with address = 0x55, data = 0x98 should put
2109 * the device into CFI query mode.
2111 * SST flashes clearly violate this, and we will consider them incompatbile for now
2114 retval
= cfi_query_string(bank
, 0x55);
2115 if (retval
!= ERROR_OK
)
2118 * Spansion S29WS-N CFI query fix is to try 0x555 if 0x55 fails. Should
2119 * be harmless enough:
2121 * http://www.infradead.org/pipermail/linux-mtd/2005-September/013618.html
2123 LOG_USER("Try workaround w/0x555 instead of 0x55 to get QRY.");
2124 retval
= cfi_query_string(bank
, 0x555);
2126 if (retval
!= ERROR_OK
)
2129 cfi_info
->pri_id
= cfi_query_u16(bank
, 0, 0x13);
2130 cfi_info
->pri_addr
= cfi_query_u16(bank
, 0, 0x15);
2131 cfi_info
->alt_id
= cfi_query_u16(bank
, 0, 0x17);
2132 cfi_info
->alt_addr
= cfi_query_u16(bank
, 0, 0x19);
2134 LOG_DEBUG("qry: '%c%c%c', pri_id: 0x%4.4x, pri_addr: 0x%4.4x, alt_id: 0x%4.4x, alt_addr: 0x%4.4x", cfi_info
->qry
[0], cfi_info
->qry
[1], cfi_info
->qry
[2], cfi_info
->pri_id
, cfi_info
->pri_addr
, cfi_info
->alt_id
, cfi_info
->alt_addr
);
2136 cfi_info
->vcc_min
= cfi_query_u8(bank
, 0, 0x1b);
2137 cfi_info
->vcc_max
= cfi_query_u8(bank
, 0, 0x1c);
2138 cfi_info
->vpp_min
= cfi_query_u8(bank
, 0, 0x1d);
2139 cfi_info
->vpp_max
= cfi_query_u8(bank
, 0, 0x1e);
2140 cfi_info
->word_write_timeout_typ
= cfi_query_u8(bank
, 0, 0x1f);
2141 cfi_info
->buf_write_timeout_typ
= cfi_query_u8(bank
, 0, 0x20);
2142 cfi_info
->block_erase_timeout_typ
= cfi_query_u8(bank
, 0, 0x21);
2143 cfi_info
->chip_erase_timeout_typ
= cfi_query_u8(bank
, 0, 0x22);
2144 cfi_info
->word_write_timeout_max
= cfi_query_u8(bank
, 0, 0x23);
2145 cfi_info
->buf_write_timeout_max
= cfi_query_u8(bank
, 0, 0x24);
2146 cfi_info
->block_erase_timeout_max
= cfi_query_u8(bank
, 0, 0x25);
2147 cfi_info
->chip_erase_timeout_max
= cfi_query_u8(bank
, 0, 0x26);
2149 LOG_DEBUG("Vcc min: %x.%x, Vcc max: %x.%x, Vpp min: %u.%x, Vpp max: %u.%x",
2150 (cfi_info
->vcc_min
& 0xf0) >> 4, cfi_info
->vcc_min
& 0x0f,
2151 (cfi_info
->vcc_max
& 0xf0) >> 4, cfi_info
->vcc_max
& 0x0f,
2152 (cfi_info
->vpp_min
& 0xf0) >> 4, cfi_info
->vpp_min
& 0x0f,
2153 (cfi_info
->vpp_max
& 0xf0) >> 4, cfi_info
->vpp_max
& 0x0f);
2154 LOG_DEBUG("typ. word write timeout: %u, typ. buf write timeout: %u, typ. block erase timeout: %u, typ. chip erase timeout: %u", 1 << cfi_info
->word_write_timeout_typ
, 1 << cfi_info
->buf_write_timeout_typ
,
2155 1 << cfi_info
->block_erase_timeout_typ
, 1 << cfi_info
->chip_erase_timeout_typ
);
2156 LOG_DEBUG("max. word write timeout: %u, max. buf write timeout: %u, max. block erase timeout: %u, max. chip erase timeout: %u", (1 << cfi_info
->word_write_timeout_max
) * (1 << cfi_info
->word_write_timeout_typ
),
2157 (1 << cfi_info
->buf_write_timeout_max
) * (1 << cfi_info
->buf_write_timeout_typ
),
2158 (1 << cfi_info
->block_erase_timeout_max
) * (1 << cfi_info
->block_erase_timeout_typ
),
2159 (1 << cfi_info
->chip_erase_timeout_max
) * (1 << cfi_info
->chip_erase_timeout_typ
));
2161 cfi_info
->dev_size
= 1 << cfi_query_u8(bank
, 0, 0x27);
2162 cfi_info
->interface_desc
= cfi_query_u16(bank
, 0, 0x28);
2163 cfi_info
->max_buf_write_size
= cfi_query_u16(bank
, 0, 0x2a);
2164 cfi_info
->num_erase_regions
= cfi_query_u8(bank
, 0, 0x2c);
2166 LOG_DEBUG("size: 0x%" PRIx32
", interface desc: %i, max buffer write size: %x", cfi_info
->dev_size
, cfi_info
->interface_desc
, (1 << cfi_info
->max_buf_write_size
));
2168 if (cfi_info
->num_erase_regions
)
2170 cfi_info
->erase_region_info
= malloc(4 * cfi_info
->num_erase_regions
);
2171 for (i
= 0; i
< cfi_info
->num_erase_regions
; i
++)
2173 cfi_info
->erase_region_info
[i
] = cfi_query_u32(bank
, 0, 0x2d + (4 * i
));
2174 LOG_DEBUG("erase region[%i]: %" PRIu32
" blocks of size 0x%" PRIx32
"",
2176 (cfi_info
->erase_region_info
[i
] & 0xffff) + 1,
2177 (cfi_info
->erase_region_info
[i
] >> 16) * 256);
2182 cfi_info
->erase_region_info
= NULL
;
2185 /* We need to read the primary algorithm extended query table before calculating
2186 * the sector layout to be able to apply fixups
2188 switch (cfi_info
->pri_id
)
2190 /* Intel command set (standard and extended) */
2193 cfi_read_intel_pri_ext(bank
);
2195 /* AMD/Spansion, Atmel, ... command set */
2197 cfi_info
->status_poll_mask
= CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7
; /* default for all CFI flashs */
2198 cfi_read_0002_pri_ext(bank
);
2201 LOG_ERROR("cfi primary command set %i unsupported", cfi_info
->pri_id
);
2205 /* return to read array mode
2206 * we use both reset commands, as some Intel flashes fail to recognize the 0xF0 command
2208 if ((retval
= cfi_reset(bank
)) != ERROR_OK
)
2212 } /* end CFI case */
2214 /* apply fixups depending on the primary command set */
2215 switch (cfi_info
->pri_id
)
2217 /* Intel command set (standard and extended) */
2220 cfi_fixup(bank
, cfi_0001_fixups
);
2222 /* AMD/Spansion, Atmel, ... command set */
2224 cfi_fixup(bank
, cfi_0002_fixups
);
2227 LOG_ERROR("cfi primary command set %i unsupported", cfi_info
->pri_id
);
2231 if ((cfi_info
->dev_size
* bank
->bus_width
/ bank
->chip_width
) != bank
->size
)
2233 LOG_WARNING("configuration specifies 0x%" PRIx32
" size, but a 0x%" PRIx32
" size flash was found", bank
->size
, cfi_info
->dev_size
);
2236 if (cfi_info
->num_erase_regions
== 0)
2238 /* a device might have only one erase block, spanning the whole device */
2239 bank
->num_sectors
= 1;
2240 bank
->sectors
= malloc(sizeof(struct flash_sector
));
2242 bank
->sectors
[sector
].offset
= 0x0;
2243 bank
->sectors
[sector
].size
= bank
->size
;
2244 bank
->sectors
[sector
].is_erased
= -1;
2245 bank
->sectors
[sector
].is_protected
= -1;
2249 uint32_t offset
= 0;
2251 for (i
= 0; i
< cfi_info
->num_erase_regions
; i
++)
2253 num_sectors
+= (cfi_info
->erase_region_info
[i
] & 0xffff) + 1;
2256 bank
->num_sectors
= num_sectors
;
2257 bank
->sectors
= malloc(sizeof(struct flash_sector
) * num_sectors
);
2259 for (i
= 0; i
< cfi_info
->num_erase_regions
; i
++)
2262 for (j
= 0; j
< (cfi_info
->erase_region_info
[i
] & 0xffff) + 1; j
++)
2264 bank
->sectors
[sector
].offset
= offset
;
2265 bank
->sectors
[sector
].size
= ((cfi_info
->erase_region_info
[i
] >> 16) * 256) * bank
->bus_width
/ bank
->chip_width
;
2266 offset
+= bank
->sectors
[sector
].size
;
2267 bank
->sectors
[sector
].is_erased
= -1;
2268 bank
->sectors
[sector
].is_protected
= -1;
2272 if (offset
!= (cfi_info
->dev_size
* bank
->bus_width
/ bank
->chip_width
))
2274 LOG_WARNING("CFI size is 0x%" PRIx32
", but total sector size is 0x%" PRIx32
"", \
2275 (cfi_info
->dev_size
* bank
->bus_width
/ bank
->chip_width
), offset
);
2279 cfi_info
->probed
= 1;
2284 static int cfi_auto_probe(struct flash_bank
*bank
)
2286 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
2287 if (cfi_info
->probed
)
2289 return cfi_probe(bank
);
2292 static int cfi_intel_protect_check(struct flash_bank
*bank
)
2295 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
2296 struct cfi_intel_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
2299 /* check if block lock bits are supported on this device */
2300 if (!(pri_ext
->blk_status_reg_mask
& 0x1))
2301 return ERROR_FLASH_OPERATION_FAILED
;
2303 if ((retval
= cfi_send_command(bank
, 0x90, flash_address(bank
, 0, 0x55))) != ERROR_OK
)
2308 for (i
= 0; i
< bank
->num_sectors
; i
++)
2310 uint8_t block_status
= cfi_get_u8(bank
, i
, 0x2);
2312 if (block_status
& 1)
2313 bank
->sectors
[i
].is_protected
= 1;
2315 bank
->sectors
[i
].is_protected
= 0;
2318 return cfi_send_command(bank
, 0xff, flash_address(bank
, 0, 0x0));
2321 static int cfi_spansion_protect_check(struct flash_bank
*bank
)
2324 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
2325 struct cfi_spansion_pri_ext
*pri_ext
= cfi_info
->pri_ext
;
2328 if ((retval
= cfi_send_command(bank
, 0xaa, flash_address(bank
, 0, pri_ext
->_unlock1
))) != ERROR_OK
)
2333 if ((retval
= cfi_send_command(bank
, 0x55, flash_address(bank
, 0, pri_ext
->_unlock2
))) != ERROR_OK
)
2338 if ((retval
= cfi_send_command(bank
, 0x90, flash_address(bank
, 0, pri_ext
->_unlock1
))) != ERROR_OK
)
2343 for (i
= 0; i
< bank
->num_sectors
; i
++)
2345 uint8_t block_status
= cfi_get_u8(bank
, i
, 0x2);
2347 if (block_status
& 1)
2348 bank
->sectors
[i
].is_protected
= 1;
2350 bank
->sectors
[i
].is_protected
= 0;
2353 return cfi_send_command(bank
, 0xf0, flash_address(bank
, 0, 0x0));
2356 static int cfi_protect_check(struct flash_bank
*bank
)
2358 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
2360 if (bank
->target
->state
!= TARGET_HALTED
)
2362 LOG_ERROR("Target not halted");
2363 return ERROR_TARGET_NOT_HALTED
;
2366 if (cfi_info
->qry
[0] != 'Q')
2367 return ERROR_FLASH_BANK_NOT_PROBED
;
2369 switch (cfi_info
->pri_id
)
2373 return cfi_intel_protect_check(bank
);
2376 return cfi_spansion_protect_check(bank
);
2379 LOG_ERROR("cfi primary command set %i unsupported", cfi_info
->pri_id
);
2386 static int cfi_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
2389 struct cfi_flash_bank
*cfi_info
= bank
->driver_priv
;
2391 if (cfi_info
->qry
[0] == (char)-1)
2393 printed
= snprintf(buf
, buf_size
, "\ncfi flash bank not probed yet\n");
2397 if (cfi_info
->not_cfi
== 0)
2398 printed
= snprintf(buf
, buf_size
, "\ncfi information:\n");
2400 printed
= snprintf(buf
, buf_size
, "\nnon-cfi flash:\n");
2402 buf_size
-= printed
;
2404 printed
= snprintf(buf
, buf_size
, "\nmfr: 0x%4.4x, id:0x%4.4x\n",
2405 cfi_info
->manufacturer
, cfi_info
->device_id
);
2407 buf_size
-= printed
;
2409 if (cfi_info
->not_cfi
== 0)
2411 printed
= snprintf(buf
, buf_size
, "qry: '%c%c%c', pri_id: 0x%4.4x, pri_addr: 0x%4.4x, alt_id: 0x%4.4x, alt_addr: 0x%4.4x\n", cfi_info
->qry
[0], cfi_info
->qry
[1], cfi_info
->qry
[2], cfi_info
->pri_id
, cfi_info
->pri_addr
, cfi_info
->alt_id
, cfi_info
->alt_addr
);
2413 buf_size
-= printed
;
2415 printed
= snprintf(buf
, buf_size
, "Vcc min: %x.%x, Vcc max: %x.%x, Vpp min: %u.%x, Vpp max: %u.%x\n",
2416 (cfi_info
->vcc_min
& 0xf0) >> 4, cfi_info
->vcc_min
& 0x0f,
2417 (cfi_info
->vcc_max
& 0xf0) >> 4, cfi_info
->vcc_max
& 0x0f,
2418 (cfi_info
->vpp_min
& 0xf0) >> 4, cfi_info
->vpp_min
& 0x0f,
2419 (cfi_info
->vpp_max
& 0xf0) >> 4, cfi_info
->vpp_max
& 0x0f);
2421 buf_size
-= printed
;
2423 printed
= snprintf(buf
, buf_size
, "typ. word write timeout: %u, typ. buf write timeout: %u, typ. block erase timeout: %u, typ. chip erase timeout: %u\n",
2424 1 << cfi_info
->word_write_timeout_typ
,
2425 1 << cfi_info
->buf_write_timeout_typ
,
2426 1 << cfi_info
->block_erase_timeout_typ
,
2427 1 << cfi_info
->chip_erase_timeout_typ
);
2429 buf_size
-= printed
;
2431 printed
= snprintf(buf
, buf_size
, "max. word write timeout: %u, max. buf write timeout: %u, max. block erase timeout: %u, max. chip erase timeout: %u\n",
2432 (1 << cfi_info
->word_write_timeout_max
) * (1 << cfi_info
->word_write_timeout_typ
),
2433 (1 << cfi_info
->buf_write_timeout_max
) * (1 << cfi_info
->buf_write_timeout_typ
),
2434 (1 << cfi_info
->block_erase_timeout_max
) * (1 << cfi_info
->block_erase_timeout_typ
),
2435 (1 << cfi_info
->chip_erase_timeout_max
) * (1 << cfi_info
->chip_erase_timeout_typ
));
2437 buf_size
-= printed
;
2439 printed
= snprintf(buf
, buf_size
, "size: 0x%" PRIx32
", interface desc: %i, max buffer write size: %x\n",
2441 cfi_info
->interface_desc
,
2442 1 << cfi_info
->max_buf_write_size
);
2444 buf_size
-= printed
;
2446 switch (cfi_info
->pri_id
)
2450 cfi_intel_info(bank
, buf
, buf_size
);
2453 cfi_spansion_info(bank
, buf
, buf_size
);
2456 LOG_ERROR("cfi primary command set %i unsupported", cfi_info
->pri_id
);
2464 struct flash_driver cfi_flash
= {
2466 .flash_bank_command
= cfi_flash_bank_command
,
2468 .protect
= cfi_protect
,
2470 /* FIXME: access flash at bus_width size */
2471 .read
= default_flash_read
,
2473 .auto_probe
= cfi_auto_probe
,
2474 /* FIXME: access flash at bus_width size */
2475 .erase_check
= default_flash_blank_check
,
2476 .protect_check
= cfi_protect_check
,
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