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5653fc33 | 1 | /* |
bf9e3b38 | 2 | * (C) Copyright 2002-2004 |
5653fc33 WD |
3 | * Brad Kemp, Seranoa Networks, Brad.Kemp@seranoa.com |
4 | * | |
5 | * Copyright (C) 2003 Arabella Software Ltd. | |
6 | * Yuli Barcohen <yuli@arabellasw.com> | |
5653fc33 | 7 | * |
bf9e3b38 WD |
8 | * Copyright (C) 2004 |
9 | * Ed Okerson | |
260421a2 SR |
10 | * |
11 | * Copyright (C) 2006 | |
12 | * Tolunay Orkun <listmember@orkun.us> | |
bf9e3b38 | 13 | * |
5653fc33 WD |
14 | * See file CREDITS for list of people who contributed to this |
15 | * project. | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or | |
18 | * modify it under the terms of the GNU General Public License as | |
19 | * published by the Free Software Foundation; either version 2 of | |
20 | * the License, or (at your option) any later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, | |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU General Public License | |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
30 | * MA 02111-1307 USA | |
31 | * | |
5653fc33 WD |
32 | */ |
33 | ||
34 | /* The DEBUG define must be before common to enable debugging */ | |
2d1a537d WD |
35 | /* #define DEBUG */ |
36 | ||
5653fc33 WD |
37 | #include <common.h> |
38 | #include <asm/processor.h> | |
3a197b2f | 39 | #include <asm/io.h> |
4c0d4c3b | 40 | #include <asm/byteorder.h> |
2a8af187 | 41 | #include <environment.h> |
028ab6b5 | 42 | |
5653fc33 | 43 | /* |
7e5b9b47 HS |
44 | * This file implements a Common Flash Interface (CFI) driver for |
45 | * U-Boot. | |
46 | * | |
47 | * The width of the port and the width of the chips are determined at | |
48 | * initialization. These widths are used to calculate the address for | |
49 | * access CFI data structures. | |
5653fc33 WD |
50 | * |
51 | * References | |
52 | * JEDEC Standard JESD68 - Common Flash Interface (CFI) | |
53 | * JEDEC Standard JEP137-A Common Flash Interface (CFI) ID Codes | |
54 | * Intel Application Note 646 Common Flash Interface (CFI) and Command Sets | |
55 | * Intel 290667-008 3 Volt Intel StrataFlash Memory datasheet | |
260421a2 SR |
56 | * AMD CFI Specification, Release 2.0 December 1, 2001 |
57 | * AMD/Spansion Application Note: Migration from Single-byte to Three-byte | |
58 | * Device IDs, Publication Number 25538 Revision A, November 8, 2001 | |
5653fc33 | 59 | * |
6d0f6bcf | 60 | * Define CONFIG_SYS_WRITE_SWAPPED_DATA, if you have to swap the Bytes between |
d0b6e140 | 61 | * reading and writing ... (yes there is such a Hardware). |
5653fc33 WD |
62 | */ |
63 | ||
6d0f6bcf JCPV |
64 | #ifndef CONFIG_SYS_FLASH_BANKS_LIST |
65 | #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } | |
bf9e3b38 WD |
66 | #endif |
67 | ||
5653fc33 WD |
68 | #define FLASH_CMD_CFI 0x98 |
69 | #define FLASH_CMD_READ_ID 0x90 | |
70 | #define FLASH_CMD_RESET 0xff | |
71 | #define FLASH_CMD_BLOCK_ERASE 0x20 | |
72 | #define FLASH_CMD_ERASE_CONFIRM 0xD0 | |
73 | #define FLASH_CMD_WRITE 0x40 | |
74 | #define FLASH_CMD_PROTECT 0x60 | |
75 | #define FLASH_CMD_PROTECT_SET 0x01 | |
76 | #define FLASH_CMD_PROTECT_CLEAR 0xD0 | |
77 | #define FLASH_CMD_CLEAR_STATUS 0x50 | |
9c048b52 | 78 | #define FLASH_CMD_READ_STATUS 0x70 |
bf9e3b38 | 79 | #define FLASH_CMD_WRITE_TO_BUFFER 0xE8 |
9c048b52 | 80 | #define FLASH_CMD_WRITE_BUFFER_PROG 0xE9 |
bf9e3b38 | 81 | #define FLASH_CMD_WRITE_BUFFER_CONFIRM 0xD0 |
5653fc33 WD |
82 | |
83 | #define FLASH_STATUS_DONE 0x80 | |
84 | #define FLASH_STATUS_ESS 0x40 | |
85 | #define FLASH_STATUS_ECLBS 0x20 | |
86 | #define FLASH_STATUS_PSLBS 0x10 | |
87 | #define FLASH_STATUS_VPENS 0x08 | |
88 | #define FLASH_STATUS_PSS 0x04 | |
89 | #define FLASH_STATUS_DPS 0x02 | |
90 | #define FLASH_STATUS_R 0x01 | |
91 | #define FLASH_STATUS_PROTECT 0x01 | |
92 | ||
93 | #define AMD_CMD_RESET 0xF0 | |
94 | #define AMD_CMD_WRITE 0xA0 | |
95 | #define AMD_CMD_ERASE_START 0x80 | |
96 | #define AMD_CMD_ERASE_SECTOR 0x30 | |
855a496f WD |
97 | #define AMD_CMD_UNLOCK_START 0xAA |
98 | #define AMD_CMD_UNLOCK_ACK 0x55 | |
79b4cda0 SR |
99 | #define AMD_CMD_WRITE_TO_BUFFER 0x25 |
100 | #define AMD_CMD_WRITE_BUFFER_CONFIRM 0x29 | |
5653fc33 WD |
101 | |
102 | #define AMD_STATUS_TOGGLE 0x40 | |
103 | #define AMD_STATUS_ERROR 0x20 | |
79b4cda0 | 104 | |
bc9019e1 RC |
105 | #define ATM_CMD_UNLOCK_SECT 0x70 |
106 | #define ATM_CMD_SOFTLOCK_START 0x80 | |
107 | #define ATM_CMD_LOCK_SECT 0x40 | |
108 | ||
260421a2 SR |
109 | #define FLASH_OFFSET_MANUFACTURER_ID 0x00 |
110 | #define FLASH_OFFSET_DEVICE_ID 0x01 | |
111 | #define FLASH_OFFSET_DEVICE_ID2 0x0E | |
112 | #define FLASH_OFFSET_DEVICE_ID3 0x0F | |
5653fc33 | 113 | #define FLASH_OFFSET_CFI 0x55 |
92eb729b | 114 | #define FLASH_OFFSET_CFI_ALT 0x555 |
5653fc33 | 115 | #define FLASH_OFFSET_CFI_RESP 0x10 |
bf9e3b38 | 116 | #define FLASH_OFFSET_PRIMARY_VENDOR 0x13 |
7e5b9b47 HS |
117 | /* extended query table primary address */ |
118 | #define FLASH_OFFSET_EXT_QUERY_T_P_ADDR 0x15 | |
5653fc33 | 119 | #define FLASH_OFFSET_WTOUT 0x1F |
bf9e3b38 | 120 | #define FLASH_OFFSET_WBTOUT 0x20 |
5653fc33 | 121 | #define FLASH_OFFSET_ETOUT 0x21 |
bf9e3b38 | 122 | #define FLASH_OFFSET_CETOUT 0x22 |
5653fc33 | 123 | #define FLASH_OFFSET_WMAX_TOUT 0x23 |
bf9e3b38 | 124 | #define FLASH_OFFSET_WBMAX_TOUT 0x24 |
5653fc33 | 125 | #define FLASH_OFFSET_EMAX_TOUT 0x25 |
bf9e3b38 | 126 | #define FLASH_OFFSET_CEMAX_TOUT 0x26 |
5653fc33 | 127 | #define FLASH_OFFSET_SIZE 0x27 |
bf9e3b38 WD |
128 | #define FLASH_OFFSET_INTERFACE 0x28 |
129 | #define FLASH_OFFSET_BUFFER_SIZE 0x2A | |
5653fc33 WD |
130 | #define FLASH_OFFSET_NUM_ERASE_REGIONS 0x2C |
131 | #define FLASH_OFFSET_ERASE_REGIONS 0x2D | |
132 | #define FLASH_OFFSET_PROTECT 0x02 | |
bf9e3b38 WD |
133 | #define FLASH_OFFSET_USER_PROTECTION 0x85 |
134 | #define FLASH_OFFSET_INTEL_PROTECTION 0x81 | |
5653fc33 | 135 | |
260421a2 SR |
136 | #define CFI_CMDSET_NONE 0 |
137 | #define CFI_CMDSET_INTEL_EXTENDED 1 | |
138 | #define CFI_CMDSET_AMD_STANDARD 2 | |
139 | #define CFI_CMDSET_INTEL_STANDARD 3 | |
140 | #define CFI_CMDSET_AMD_EXTENDED 4 | |
141 | #define CFI_CMDSET_MITSU_STANDARD 256 | |
142 | #define CFI_CMDSET_MITSU_EXTENDED 257 | |
143 | #define CFI_CMDSET_SST 258 | |
9c048b52 | 144 | #define CFI_CMDSET_INTEL_PROG_REGIONS 512 |
5653fc33 | 145 | |
6d0f6bcf | 146 | #ifdef CONFIG_SYS_FLASH_CFI_AMD_RESET /* needed for STM_ID_29W320DB on UC100 */ |
f7d1572b | 147 | # undef FLASH_CMD_RESET |
260421a2 | 148 | # define FLASH_CMD_RESET AMD_CMD_RESET /* use AMD-Reset instead */ |
f7d1572b WD |
149 | #endif |
150 | ||
5653fc33 WD |
151 | typedef union { |
152 | unsigned char c; | |
153 | unsigned short w; | |
154 | unsigned long l; | |
155 | unsigned long long ll; | |
156 | } cfiword_t; | |
157 | ||
260421a2 | 158 | #define NUM_ERASE_REGIONS 4 /* max. number of erase regions */ |
5653fc33 | 159 | |
7e5b9b47 | 160 | static uint flash_offset_cfi[2] = { FLASH_OFFSET_CFI, FLASH_OFFSET_CFI_ALT }; |
92eb729b | 161 | |
6d0f6bcf JCPV |
162 | /* use CONFIG_SYS_MAX_FLASH_BANKS_DETECT if defined */ |
163 | #ifdef CONFIG_SYS_MAX_FLASH_BANKS_DETECT | |
164 | # define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS_DETECT | |
e6f2e902 | 165 | #else |
6d0f6bcf | 166 | # define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS |
e6f2e902 | 167 | #endif |
5653fc33 | 168 | |
2a112b23 WD |
169 | flash_info_t flash_info[CFI_MAX_FLASH_BANKS]; /* FLASH chips info */ |
170 | ||
79b4cda0 SR |
171 | /* |
172 | * Check if chip width is defined. If not, start detecting with 8bit. | |
173 | */ | |
6d0f6bcf JCPV |
174 | #ifndef CONFIG_SYS_FLASH_CFI_WIDTH |
175 | #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT | |
79b4cda0 SR |
176 | #endif |
177 | ||
be60a902 | 178 | typedef unsigned long flash_sect_t; |
5653fc33 | 179 | |
e23741f4 HS |
180 | /* CFI standard query structure */ |
181 | struct cfi_qry { | |
182 | u8 qry[3]; | |
183 | u16 p_id; | |
184 | u16 p_adr; | |
185 | u16 a_id; | |
186 | u16 a_adr; | |
187 | u8 vcc_min; | |
188 | u8 vcc_max; | |
189 | u8 vpp_min; | |
190 | u8 vpp_max; | |
191 | u8 word_write_timeout_typ; | |
192 | u8 buf_write_timeout_typ; | |
193 | u8 block_erase_timeout_typ; | |
194 | u8 chip_erase_timeout_typ; | |
195 | u8 word_write_timeout_max; | |
196 | u8 buf_write_timeout_max; | |
197 | u8 block_erase_timeout_max; | |
198 | u8 chip_erase_timeout_max; | |
199 | u8 dev_size; | |
200 | u16 interface_desc; | |
201 | u16 max_buf_write_size; | |
202 | u8 num_erase_regions; | |
203 | u32 erase_region_info[NUM_ERASE_REGIONS]; | |
204 | } __attribute__((packed)); | |
205 | ||
206 | struct cfi_pri_hdr { | |
207 | u8 pri[3]; | |
208 | u8 major_version; | |
209 | u8 minor_version; | |
210 | } __attribute__((packed)); | |
211 | ||
cdbaefb5 HS |
212 | static void flash_write8(u8 value, void *addr) |
213 | { | |
214 | __raw_writeb(value, addr); | |
215 | } | |
216 | ||
217 | static void flash_write16(u16 value, void *addr) | |
218 | { | |
219 | __raw_writew(value, addr); | |
220 | } | |
221 | ||
222 | static void flash_write32(u32 value, void *addr) | |
223 | { | |
224 | __raw_writel(value, addr); | |
225 | } | |
226 | ||
227 | static void flash_write64(u64 value, void *addr) | |
228 | { | |
229 | /* No architectures currently implement __raw_writeq() */ | |
230 | *(volatile u64 *)addr = value; | |
231 | } | |
232 | ||
233 | static u8 flash_read8(void *addr) | |
234 | { | |
235 | return __raw_readb(addr); | |
236 | } | |
237 | ||
238 | static u16 flash_read16(void *addr) | |
239 | { | |
240 | return __raw_readw(addr); | |
241 | } | |
242 | ||
243 | static u32 flash_read32(void *addr) | |
244 | { | |
245 | return __raw_readl(addr); | |
246 | } | |
247 | ||
97bf85d7 | 248 | static u64 __flash_read64(void *addr) |
cdbaefb5 HS |
249 | { |
250 | /* No architectures currently implement __raw_readq() */ | |
251 | return *(volatile u64 *)addr; | |
252 | } | |
253 | ||
97bf85d7 DH |
254 | u64 flash_read64(void *addr)__attribute__((weak, alias("__flash_read64"))); |
255 | ||
5653fc33 | 256 | /*----------------------------------------------------------------------- |
5653fc33 | 257 | */ |
6d0f6bcf | 258 | #if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE) |
be60a902 HS |
259 | static flash_info_t *flash_get_info(ulong base) |
260 | { | |
261 | int i; | |
262 | flash_info_t * info = 0; | |
5653fc33 | 263 | |
6d0f6bcf | 264 | for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { |
be60a902 HS |
265 | info = & flash_info[i]; |
266 | if (info->size && info->start[0] <= base && | |
267 | base <= info->start[0] + info->size - 1) | |
268 | break; | |
269 | } | |
5653fc33 | 270 | |
6d0f6bcf | 271 | return i == CONFIG_SYS_MAX_FLASH_BANKS ? 0 : info; |
be60a902 | 272 | } |
5653fc33 WD |
273 | #endif |
274 | ||
12d30aa7 HS |
275 | unsigned long flash_sector_size(flash_info_t *info, flash_sect_t sect) |
276 | { | |
277 | if (sect != (info->sector_count - 1)) | |
278 | return info->start[sect + 1] - info->start[sect]; | |
279 | else | |
280 | return info->start[0] + info->size - info->start[sect]; | |
281 | } | |
282 | ||
bf9e3b38 WD |
283 | /*----------------------------------------------------------------------- |
284 | * create an address based on the offset and the port width | |
285 | */ | |
12d30aa7 HS |
286 | static inline void * |
287 | flash_map (flash_info_t * info, flash_sect_t sect, uint offset) | |
bf9e3b38 | 288 | { |
12d30aa7 HS |
289 | unsigned int byte_offset = offset * info->portwidth; |
290 | ||
291 | return map_physmem(info->start[sect] + byte_offset, | |
292 | flash_sector_size(info, sect) - byte_offset, | |
293 | MAP_NOCACHE); | |
294 | } | |
295 | ||
296 | static inline void flash_unmap(flash_info_t *info, flash_sect_t sect, | |
297 | unsigned int offset, void *addr) | |
298 | { | |
299 | unsigned int byte_offset = offset * info->portwidth; | |
300 | ||
301 | unmap_physmem(addr, flash_sector_size(info, sect) - byte_offset); | |
bf9e3b38 WD |
302 | } |
303 | ||
be60a902 HS |
304 | /*----------------------------------------------------------------------- |
305 | * make a proper sized command based on the port and chip widths | |
306 | */ | |
7288f972 | 307 | static void flash_make_cmd(flash_info_t *info, u32 cmd, void *cmdbuf) |
be60a902 HS |
308 | { |
309 | int i; | |
93c56f21 VL |
310 | int cword_offset; |
311 | int cp_offset; | |
6d0f6bcf | 312 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
340ccb26 SS |
313 | u32 cmd_le = cpu_to_le32(cmd); |
314 | #endif | |
93c56f21 | 315 | uchar val; |
be60a902 HS |
316 | uchar *cp = (uchar *) cmdbuf; |
317 | ||
93c56f21 VL |
318 | for (i = info->portwidth; i > 0; i--){ |
319 | cword_offset = (info->portwidth-i)%info->chipwidth; | |
6d0f6bcf | 320 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
93c56f21 | 321 | cp_offset = info->portwidth - i; |
340ccb26 | 322 | val = *((uchar*)&cmd_le + cword_offset); |
be60a902 | 323 | #else |
93c56f21 | 324 | cp_offset = i - 1; |
7288f972 | 325 | val = *((uchar*)&cmd + sizeof(u32) - cword_offset - 1); |
be60a902 | 326 | #endif |
7288f972 | 327 | cp[cp_offset] = (cword_offset >= sizeof(u32)) ? 0x00 : val; |
93c56f21 | 328 | } |
be60a902 HS |
329 | } |
330 | ||
5653fc33 | 331 | #ifdef DEBUG |
bf9e3b38 WD |
332 | /*----------------------------------------------------------------------- |
333 | * Debug support | |
334 | */ | |
3055793b | 335 | static void print_longlong (char *str, unsigned long long data) |
5653fc33 WD |
336 | { |
337 | int i; | |
338 | char *cp; | |
bf9e3b38 WD |
339 | |
340 | cp = (unsigned char *) &data; | |
341 | for (i = 0; i < 8; i++) | |
342 | sprintf (&str[i * 2], "%2.2x", *cp++); | |
343 | } | |
be60a902 | 344 | |
e23741f4 | 345 | static void flash_printqry (struct cfi_qry *qry) |
bf9e3b38 | 346 | { |
e23741f4 | 347 | u8 *p = (u8 *)qry; |
bf9e3b38 WD |
348 | int x, y; |
349 | ||
e23741f4 HS |
350 | for (x = 0; x < sizeof(struct cfi_qry); x += 16) { |
351 | debug("%02x : ", x); | |
352 | for (y = 0; y < 16; y++) | |
353 | debug("%2.2x ", p[x + y]); | |
354 | debug(" "); | |
bf9e3b38 | 355 | for (y = 0; y < 16; y++) { |
e23741f4 HS |
356 | unsigned char c = p[x + y]; |
357 | if (c >= 0x20 && c <= 0x7e) | |
358 | debug("%c", c); | |
359 | else | |
360 | debug("."); | |
bf9e3b38 | 361 | } |
e23741f4 | 362 | debug("\n"); |
bf9e3b38 | 363 | } |
5653fc33 WD |
364 | } |
365 | #endif | |
366 | ||
367 | ||
5653fc33 WD |
368 | /*----------------------------------------------------------------------- |
369 | * read a character at a port width address | |
370 | */ | |
3055793b | 371 | static inline uchar flash_read_uchar (flash_info_t * info, uint offset) |
5653fc33 WD |
372 | { |
373 | uchar *cp; | |
12d30aa7 | 374 | uchar retval; |
bf9e3b38 | 375 | |
12d30aa7 | 376 | cp = flash_map (info, 0, offset); |
6d0f6bcf | 377 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
12d30aa7 | 378 | retval = flash_read8(cp); |
bf9e3b38 | 379 | #else |
12d30aa7 | 380 | retval = flash_read8(cp + info->portwidth - 1); |
bf9e3b38 | 381 | #endif |
12d30aa7 HS |
382 | flash_unmap (info, 0, offset, cp); |
383 | return retval; | |
5653fc33 WD |
384 | } |
385 | ||
90447ecb TK |
386 | /*----------------------------------------------------------------------- |
387 | * read a word at a port width address, assume 16bit bus | |
388 | */ | |
389 | static inline ushort flash_read_word (flash_info_t * info, uint offset) | |
390 | { | |
391 | ushort *addr, retval; | |
392 | ||
393 | addr = flash_map (info, 0, offset); | |
394 | retval = flash_read16 (addr); | |
395 | flash_unmap (info, 0, offset, addr); | |
396 | return retval; | |
397 | } | |
398 | ||
399 | ||
5653fc33 | 400 | /*----------------------------------------------------------------------- |
260421a2 | 401 | * read a long word by picking the least significant byte of each maximum |
5653fc33 WD |
402 | * port size word. Swap for ppc format. |
403 | */ | |
3055793b HS |
404 | static ulong flash_read_long (flash_info_t * info, flash_sect_t sect, |
405 | uint offset) | |
5653fc33 | 406 | { |
bf9e3b38 WD |
407 | uchar *addr; |
408 | ulong retval; | |
409 | ||
410 | #ifdef DEBUG | |
411 | int x; | |
412 | #endif | |
12d30aa7 | 413 | addr = flash_map (info, sect, offset); |
5653fc33 | 414 | |
bf9e3b38 WD |
415 | #ifdef DEBUG |
416 | debug ("long addr is at %p info->portwidth = %d\n", addr, | |
417 | info->portwidth); | |
418 | for (x = 0; x < 4 * info->portwidth; x++) { | |
12d30aa7 | 419 | debug ("addr[%x] = 0x%x\n", x, flash_read8(addr + x)); |
bf9e3b38 WD |
420 | } |
421 | #endif | |
6d0f6bcf | 422 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
12d30aa7 HS |
423 | retval = ((flash_read8(addr) << 16) | |
424 | (flash_read8(addr + info->portwidth) << 24) | | |
425 | (flash_read8(addr + 2 * info->portwidth)) | | |
426 | (flash_read8(addr + 3 * info->portwidth) << 8)); | |
bf9e3b38 | 427 | #else |
12d30aa7 HS |
428 | retval = ((flash_read8(addr + 2 * info->portwidth - 1) << 24) | |
429 | (flash_read8(addr + info->portwidth - 1) << 16) | | |
430 | (flash_read8(addr + 4 * info->portwidth - 1) << 8) | | |
431 | (flash_read8(addr + 3 * info->portwidth - 1))); | |
bf9e3b38 | 432 | #endif |
12d30aa7 HS |
433 | flash_unmap(info, sect, offset, addr); |
434 | ||
bf9e3b38 | 435 | return retval; |
5653fc33 WD |
436 | } |
437 | ||
be60a902 HS |
438 | /* |
439 | * Write a proper sized command to the correct address | |
81b20ccc | 440 | */ |
be60a902 | 441 | static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, |
7288f972 | 442 | uint offset, u32 cmd) |
81b20ccc | 443 | { |
7e5b9b47 | 444 | |
cdbaefb5 | 445 | void *addr; |
be60a902 | 446 | cfiword_t cword; |
81b20ccc | 447 | |
12d30aa7 | 448 | addr = flash_map (info, sect, offset); |
be60a902 HS |
449 | flash_make_cmd (info, cmd, &cword); |
450 | switch (info->portwidth) { | |
451 | case FLASH_CFI_8BIT: | |
cdbaefb5 | 452 | debug ("fwc addr %p cmd %x %x 8bit x %d bit\n", addr, cmd, |
be60a902 | 453 | cword.c, info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
cdbaefb5 | 454 | flash_write8(cword.c, addr); |
be60a902 HS |
455 | break; |
456 | case FLASH_CFI_16BIT: | |
cdbaefb5 | 457 | debug ("fwc addr %p cmd %x %4.4x 16bit x %d bit\n", addr, |
be60a902 HS |
458 | cmd, cword.w, |
459 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); | |
cdbaefb5 | 460 | flash_write16(cword.w, addr); |
be60a902 HS |
461 | break; |
462 | case FLASH_CFI_32BIT: | |
cdbaefb5 | 463 | debug ("fwc addr %p cmd %x %8.8lx 32bit x %d bit\n", addr, |
be60a902 HS |
464 | cmd, cword.l, |
465 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); | |
cdbaefb5 | 466 | flash_write32(cword.l, addr); |
be60a902 HS |
467 | break; |
468 | case FLASH_CFI_64BIT: | |
469 | #ifdef DEBUG | |
470 | { | |
471 | char str[20]; | |
7e5b9b47 | 472 | |
be60a902 HS |
473 | print_longlong (str, cword.ll); |
474 | ||
475 | debug ("fwrite addr %p cmd %x %s 64 bit x %d bit\n", | |
cdbaefb5 | 476 | addr, cmd, str, |
be60a902 | 477 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
81b20ccc | 478 | } |
be60a902 | 479 | #endif |
cdbaefb5 | 480 | flash_write64(cword.ll, addr); |
be60a902 | 481 | break; |
81b20ccc | 482 | } |
be60a902 HS |
483 | |
484 | /* Ensure all the instructions are fully finished */ | |
485 | sync(); | |
12d30aa7 HS |
486 | |
487 | flash_unmap(info, sect, offset, addr); | |
81b20ccc | 488 | } |
be60a902 HS |
489 | |
490 | static void flash_unlock_seq (flash_info_t * info, flash_sect_t sect) | |
81b20ccc | 491 | { |
be60a902 HS |
492 | flash_write_cmd (info, sect, info->addr_unlock1, AMD_CMD_UNLOCK_START); |
493 | flash_write_cmd (info, sect, info->addr_unlock2, AMD_CMD_UNLOCK_ACK); | |
81b20ccc | 494 | } |
81b20ccc | 495 | |
5653fc33 WD |
496 | /*----------------------------------------------------------------------- |
497 | */ | |
be60a902 HS |
498 | static int flash_isequal (flash_info_t * info, flash_sect_t sect, |
499 | uint offset, uchar cmd) | |
5653fc33 | 500 | { |
cdbaefb5 | 501 | void *addr; |
be60a902 HS |
502 | cfiword_t cword; |
503 | int retval; | |
5653fc33 | 504 | |
12d30aa7 | 505 | addr = flash_map (info, sect, offset); |
be60a902 | 506 | flash_make_cmd (info, cmd, &cword); |
2662b40c | 507 | |
cdbaefb5 | 508 | debug ("is= cmd %x(%c) addr %p ", cmd, cmd, addr); |
be60a902 HS |
509 | switch (info->portwidth) { |
510 | case FLASH_CFI_8BIT: | |
cdbaefb5 HS |
511 | debug ("is= %x %x\n", flash_read8(addr), cword.c); |
512 | retval = (flash_read8(addr) == cword.c); | |
be60a902 HS |
513 | break; |
514 | case FLASH_CFI_16BIT: | |
cdbaefb5 HS |
515 | debug ("is= %4.4x %4.4x\n", flash_read16(addr), cword.w); |
516 | retval = (flash_read16(addr) == cword.w); | |
be60a902 HS |
517 | break; |
518 | case FLASH_CFI_32BIT: | |
52514699 | 519 | debug ("is= %8.8x %8.8lx\n", flash_read32(addr), cword.l); |
cdbaefb5 | 520 | retval = (flash_read32(addr) == cword.l); |
be60a902 HS |
521 | break; |
522 | case FLASH_CFI_64BIT: | |
523 | #ifdef DEBUG | |
524 | { | |
525 | char str1[20]; | |
526 | char str2[20]; | |
81b20ccc | 527 | |
cdbaefb5 | 528 | print_longlong (str1, flash_read64(addr)); |
be60a902 HS |
529 | print_longlong (str2, cword.ll); |
530 | debug ("is= %s %s\n", str1, str2); | |
5653fc33 | 531 | } |
be60a902 | 532 | #endif |
cdbaefb5 | 533 | retval = (flash_read64(addr) == cword.ll); |
be60a902 HS |
534 | break; |
535 | default: | |
536 | retval = 0; | |
537 | break; | |
538 | } | |
12d30aa7 HS |
539 | flash_unmap(info, sect, offset, addr); |
540 | ||
be60a902 HS |
541 | return retval; |
542 | } | |
79b4cda0 | 543 | |
be60a902 HS |
544 | /*----------------------------------------------------------------------- |
545 | */ | |
546 | static int flash_isset (flash_info_t * info, flash_sect_t sect, | |
547 | uint offset, uchar cmd) | |
548 | { | |
cdbaefb5 | 549 | void *addr; |
be60a902 HS |
550 | cfiword_t cword; |
551 | int retval; | |
2662b40c | 552 | |
12d30aa7 | 553 | addr = flash_map (info, sect, offset); |
be60a902 HS |
554 | flash_make_cmd (info, cmd, &cword); |
555 | switch (info->portwidth) { | |
556 | case FLASH_CFI_8BIT: | |
cdbaefb5 | 557 | retval = ((flash_read8(addr) & cword.c) == cword.c); |
be60a902 HS |
558 | break; |
559 | case FLASH_CFI_16BIT: | |
cdbaefb5 | 560 | retval = ((flash_read16(addr) & cword.w) == cword.w); |
be60a902 HS |
561 | break; |
562 | case FLASH_CFI_32BIT: | |
47cc23cb | 563 | retval = ((flash_read32(addr) & cword.l) == cword.l); |
be60a902 HS |
564 | break; |
565 | case FLASH_CFI_64BIT: | |
cdbaefb5 | 566 | retval = ((flash_read64(addr) & cword.ll) == cword.ll); |
be60a902 HS |
567 | break; |
568 | default: | |
569 | retval = 0; | |
570 | break; | |
571 | } | |
12d30aa7 HS |
572 | flash_unmap(info, sect, offset, addr); |
573 | ||
be60a902 HS |
574 | return retval; |
575 | } | |
2662b40c | 576 | |
be60a902 HS |
577 | /*----------------------------------------------------------------------- |
578 | */ | |
579 | static int flash_toggle (flash_info_t * info, flash_sect_t sect, | |
580 | uint offset, uchar cmd) | |
581 | { | |
cdbaefb5 | 582 | void *addr; |
be60a902 HS |
583 | cfiword_t cword; |
584 | int retval; | |
656658dd | 585 | |
12d30aa7 | 586 | addr = flash_map (info, sect, offset); |
be60a902 HS |
587 | flash_make_cmd (info, cmd, &cword); |
588 | switch (info->portwidth) { | |
589 | case FLASH_CFI_8BIT: | |
fb8c061e | 590 | retval = flash_read8(addr) != flash_read8(addr); |
be60a902 HS |
591 | break; |
592 | case FLASH_CFI_16BIT: | |
fb8c061e | 593 | retval = flash_read16(addr) != flash_read16(addr); |
be60a902 HS |
594 | break; |
595 | case FLASH_CFI_32BIT: | |
fb8c061e | 596 | retval = flash_read32(addr) != flash_read32(addr); |
be60a902 HS |
597 | break; |
598 | case FLASH_CFI_64BIT: | |
fb8c061e | 599 | retval = flash_read64(addr) != flash_read64(addr); |
be60a902 HS |
600 | break; |
601 | default: | |
602 | retval = 0; | |
603 | break; | |
604 | } | |
12d30aa7 HS |
605 | flash_unmap(info, sect, offset, addr); |
606 | ||
be60a902 | 607 | return retval; |
5653fc33 WD |
608 | } |
609 | ||
be60a902 HS |
610 | /* |
611 | * flash_is_busy - check to see if the flash is busy | |
612 | * | |
613 | * This routine checks the status of the chip and returns true if the | |
614 | * chip is busy. | |
7680c140 | 615 | */ |
be60a902 | 616 | static int flash_is_busy (flash_info_t * info, flash_sect_t sect) |
7680c140 | 617 | { |
be60a902 | 618 | int retval; |
7680c140 | 619 | |
be60a902 | 620 | switch (info->vendor) { |
9c048b52 | 621 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
be60a902 HS |
622 | case CFI_CMDSET_INTEL_STANDARD: |
623 | case CFI_CMDSET_INTEL_EXTENDED: | |
624 | retval = !flash_isset (info, sect, 0, FLASH_STATUS_DONE); | |
625 | break; | |
626 | case CFI_CMDSET_AMD_STANDARD: | |
627 | case CFI_CMDSET_AMD_EXTENDED: | |
628 | #ifdef CONFIG_FLASH_CFI_LEGACY | |
629 | case CFI_CMDSET_AMD_LEGACY: | |
630 | #endif | |
631 | retval = flash_toggle (info, sect, 0, AMD_STATUS_TOGGLE); | |
632 | break; | |
633 | default: | |
634 | retval = 0; | |
7680c140 | 635 | } |
be60a902 HS |
636 | debug ("flash_is_busy: %d\n", retval); |
637 | return retval; | |
7680c140 WD |
638 | } |
639 | ||
5653fc33 | 640 | /*----------------------------------------------------------------------- |
be60a902 HS |
641 | * wait for XSR.7 to be set. Time out with an error if it does not. |
642 | * This routine does not set the flash to read-array mode. | |
5653fc33 | 643 | */ |
be60a902 HS |
644 | static int flash_status_check (flash_info_t * info, flash_sect_t sector, |
645 | ulong tout, char *prompt) | |
5653fc33 | 646 | { |
be60a902 | 647 | ulong start; |
5653fc33 | 648 | |
6d0f6bcf JCPV |
649 | #if CONFIG_SYS_HZ != 1000 |
650 | tout *= CONFIG_SYS_HZ/1000; | |
be60a902 | 651 | #endif |
5653fc33 | 652 | |
be60a902 HS |
653 | /* Wait for command completion */ |
654 | start = get_timer (0); | |
655 | while (flash_is_busy (info, sector)) { | |
656 | if (get_timer (start) > tout) { | |
657 | printf ("Flash %s timeout at address %lx data %lx\n", | |
658 | prompt, info->start[sector], | |
659 | flash_read_long (info, sector, 0)); | |
660 | flash_write_cmd (info, sector, 0, info->cmd_reset); | |
661 | return ERR_TIMOUT; | |
5653fc33 | 662 | } |
be60a902 | 663 | udelay (1); /* also triggers watchdog */ |
5653fc33 | 664 | } |
be60a902 HS |
665 | return ERR_OK; |
666 | } | |
5653fc33 | 667 | |
be60a902 HS |
668 | /*----------------------------------------------------------------------- |
669 | * Wait for XSR.7 to be set, if it times out print an error, otherwise | |
670 | * do a full status check. | |
671 | * | |
672 | * This routine sets the flash to read-array mode. | |
673 | */ | |
674 | static int flash_full_status_check (flash_info_t * info, flash_sect_t sector, | |
675 | ulong tout, char *prompt) | |
676 | { | |
677 | int retcode; | |
5653fc33 | 678 | |
be60a902 HS |
679 | retcode = flash_status_check (info, sector, tout, prompt); |
680 | switch (info->vendor) { | |
9c048b52 | 681 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
be60a902 HS |
682 | case CFI_CMDSET_INTEL_EXTENDED: |
683 | case CFI_CMDSET_INTEL_STANDARD: | |
0d01f66d | 684 | if ((retcode != ERR_OK) |
be60a902 HS |
685 | && !flash_isequal (info, sector, 0, FLASH_STATUS_DONE)) { |
686 | retcode = ERR_INVAL; | |
687 | printf ("Flash %s error at address %lx\n", prompt, | |
688 | info->start[sector]); | |
689 | if (flash_isset (info, sector, 0, FLASH_STATUS_ECLBS | | |
690 | FLASH_STATUS_PSLBS)) { | |
691 | puts ("Command Sequence Error.\n"); | |
692 | } else if (flash_isset (info, sector, 0, | |
693 | FLASH_STATUS_ECLBS)) { | |
694 | puts ("Block Erase Error.\n"); | |
695 | retcode = ERR_NOT_ERASED; | |
696 | } else if (flash_isset (info, sector, 0, | |
697 | FLASH_STATUS_PSLBS)) { | |
698 | puts ("Locking Error\n"); | |
5653fc33 | 699 | } |
be60a902 HS |
700 | if (flash_isset (info, sector, 0, FLASH_STATUS_DPS)) { |
701 | puts ("Block locked.\n"); | |
702 | retcode = ERR_PROTECTED; | |
703 | } | |
704 | if (flash_isset (info, sector, 0, FLASH_STATUS_VPENS)) | |
705 | puts ("Vpp Low Error.\n"); | |
5653fc33 | 706 | } |
be60a902 HS |
707 | flash_write_cmd (info, sector, 0, info->cmd_reset); |
708 | break; | |
709 | default: | |
710 | break; | |
5653fc33 | 711 | } |
be60a902 | 712 | return retcode; |
5653fc33 WD |
713 | } |
714 | ||
715 | /*----------------------------------------------------------------------- | |
716 | */ | |
be60a902 | 717 | static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c) |
5653fc33 | 718 | { |
6d0f6bcf | 719 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
be60a902 HS |
720 | unsigned short w; |
721 | unsigned int l; | |
722 | unsigned long long ll; | |
723 | #endif | |
5653fc33 | 724 | |
be60a902 HS |
725 | switch (info->portwidth) { |
726 | case FLASH_CFI_8BIT: | |
727 | cword->c = c; | |
728 | break; | |
729 | case FLASH_CFI_16BIT: | |
6d0f6bcf | 730 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
be60a902 HS |
731 | w = c; |
732 | w <<= 8; | |
733 | cword->w = (cword->w >> 8) | w; | |
734 | #else | |
735 | cword->w = (cword->w << 8) | c; | |
81b20ccc | 736 | #endif |
be60a902 HS |
737 | break; |
738 | case FLASH_CFI_32BIT: | |
6d0f6bcf | 739 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
be60a902 HS |
740 | l = c; |
741 | l <<= 24; | |
742 | cword->l = (cword->l >> 8) | l; | |
743 | #else | |
744 | cword->l = (cword->l << 8) | c; | |
745 | #endif | |
746 | break; | |
747 | case FLASH_CFI_64BIT: | |
6d0f6bcf | 748 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
be60a902 HS |
749 | ll = c; |
750 | ll <<= 56; | |
751 | cword->ll = (cword->ll >> 8) | ll; | |
752 | #else | |
753 | cword->ll = (cword->ll << 8) | c; | |
754 | #endif | |
755 | break; | |
260421a2 | 756 | } |
be60a902 | 757 | } |
5653fc33 | 758 | |
be60a902 HS |
759 | /* loop through the sectors from the highest address when the passed |
760 | * address is greater or equal to the sector address we have a match | |
761 | */ | |
762 | static flash_sect_t find_sector (flash_info_t * info, ulong addr) | |
763 | { | |
764 | flash_sect_t sector; | |
5653fc33 | 765 | |
be60a902 HS |
766 | for (sector = info->sector_count - 1; sector >= 0; sector--) { |
767 | if (addr >= info->start[sector]) | |
768 | break; | |
5653fc33 | 769 | } |
be60a902 | 770 | return sector; |
5653fc33 WD |
771 | } |
772 | ||
773 | /*----------------------------------------------------------------------- | |
5653fc33 | 774 | */ |
be60a902 HS |
775 | static int flash_write_cfiword (flash_info_t * info, ulong dest, |
776 | cfiword_t cword) | |
5653fc33 | 777 | { |
cdbaefb5 | 778 | void *dstaddr; |
be60a902 | 779 | int flag; |
0d01f66d | 780 | flash_sect_t sect; |
5653fc33 | 781 | |
12d30aa7 | 782 | dstaddr = map_physmem(dest, info->portwidth, MAP_NOCACHE); |
5653fc33 | 783 | |
be60a902 HS |
784 | /* Check if Flash is (sufficiently) erased */ |
785 | switch (info->portwidth) { | |
786 | case FLASH_CFI_8BIT: | |
cdbaefb5 | 787 | flag = ((flash_read8(dstaddr) & cword.c) == cword.c); |
be60a902 HS |
788 | break; |
789 | case FLASH_CFI_16BIT: | |
cdbaefb5 | 790 | flag = ((flash_read16(dstaddr) & cword.w) == cword.w); |
be60a902 HS |
791 | break; |
792 | case FLASH_CFI_32BIT: | |
cdbaefb5 | 793 | flag = ((flash_read32(dstaddr) & cword.l) == cword.l); |
be60a902 HS |
794 | break; |
795 | case FLASH_CFI_64BIT: | |
cdbaefb5 | 796 | flag = ((flash_read64(dstaddr) & cword.ll) == cword.ll); |
be60a902 HS |
797 | break; |
798 | default: | |
12d30aa7 HS |
799 | flag = 0; |
800 | break; | |
5653fc33 | 801 | } |
12d30aa7 HS |
802 | if (!flag) { |
803 | unmap_physmem(dstaddr, info->portwidth); | |
0dc80e27 | 804 | return ERR_NOT_ERASED; |
12d30aa7 | 805 | } |
5653fc33 | 806 | |
be60a902 HS |
807 | /* Disable interrupts which might cause a timeout here */ |
808 | flag = disable_interrupts (); | |
79b4cda0 | 809 | |
be60a902 | 810 | switch (info->vendor) { |
9c048b52 | 811 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
be60a902 HS |
812 | case CFI_CMDSET_INTEL_EXTENDED: |
813 | case CFI_CMDSET_INTEL_STANDARD: | |
814 | flash_write_cmd (info, 0, 0, FLASH_CMD_CLEAR_STATUS); | |
815 | flash_write_cmd (info, 0, 0, FLASH_CMD_WRITE); | |
816 | break; | |
817 | case CFI_CMDSET_AMD_EXTENDED: | |
818 | case CFI_CMDSET_AMD_STANDARD: | |
819 | #ifdef CONFIG_FLASH_CFI_LEGACY | |
820 | case CFI_CMDSET_AMD_LEGACY: | |
821 | #endif | |
0d01f66d ES |
822 | sect = find_sector(info, dest); |
823 | flash_unlock_seq (info, sect); | |
824 | flash_write_cmd (info, sect, info->addr_unlock1, AMD_CMD_WRITE); | |
be60a902 | 825 | break; |
5653fc33 WD |
826 | } |
827 | ||
be60a902 HS |
828 | switch (info->portwidth) { |
829 | case FLASH_CFI_8BIT: | |
cdbaefb5 | 830 | flash_write8(cword.c, dstaddr); |
be60a902 HS |
831 | break; |
832 | case FLASH_CFI_16BIT: | |
cdbaefb5 | 833 | flash_write16(cword.w, dstaddr); |
be60a902 HS |
834 | break; |
835 | case FLASH_CFI_32BIT: | |
cdbaefb5 | 836 | flash_write32(cword.l, dstaddr); |
be60a902 HS |
837 | break; |
838 | case FLASH_CFI_64BIT: | |
cdbaefb5 | 839 | flash_write64(cword.ll, dstaddr); |
be60a902 | 840 | break; |
5653fc33 WD |
841 | } |
842 | ||
be60a902 HS |
843 | /* re-enable interrupts if necessary */ |
844 | if (flag) | |
845 | enable_interrupts (); | |
5653fc33 | 846 | |
12d30aa7 HS |
847 | unmap_physmem(dstaddr, info->portwidth); |
848 | ||
be60a902 HS |
849 | return flash_full_status_check (info, find_sector (info, dest), |
850 | info->write_tout, "write"); | |
5653fc33 WD |
851 | } |
852 | ||
6d0f6bcf | 853 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
5653fc33 | 854 | |
be60a902 HS |
855 | static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, |
856 | int len) | |
5653fc33 | 857 | { |
be60a902 HS |
858 | flash_sect_t sector; |
859 | int cnt; | |
860 | int retcode; | |
cdbaefb5 | 861 | void *src = cp; |
12d30aa7 | 862 | void *dst = map_physmem(dest, len, MAP_NOCACHE); |
0dc80e27 SR |
863 | void *dst2 = dst; |
864 | int flag = 0; | |
96ef831f GL |
865 | uint offset = 0; |
866 | unsigned int shift; | |
9c048b52 | 867 | uchar write_cmd; |
cdbaefb5 | 868 | |
0dc80e27 SR |
869 | switch (info->portwidth) { |
870 | case FLASH_CFI_8BIT: | |
96ef831f | 871 | shift = 0; |
0dc80e27 SR |
872 | break; |
873 | case FLASH_CFI_16BIT: | |
96ef831f | 874 | shift = 1; |
0dc80e27 SR |
875 | break; |
876 | case FLASH_CFI_32BIT: | |
96ef831f | 877 | shift = 2; |
0dc80e27 SR |
878 | break; |
879 | case FLASH_CFI_64BIT: | |
96ef831f | 880 | shift = 3; |
0dc80e27 SR |
881 | break; |
882 | default: | |
883 | retcode = ERR_INVAL; | |
884 | goto out_unmap; | |
885 | } | |
886 | ||
96ef831f GL |
887 | cnt = len >> shift; |
888 | ||
0dc80e27 SR |
889 | while ((cnt-- > 0) && (flag == 0)) { |
890 | switch (info->portwidth) { | |
891 | case FLASH_CFI_8BIT: | |
892 | flag = ((flash_read8(dst2) & flash_read8(src)) == | |
893 | flash_read8(src)); | |
894 | src += 1, dst2 += 1; | |
895 | break; | |
896 | case FLASH_CFI_16BIT: | |
897 | flag = ((flash_read16(dst2) & flash_read16(src)) == | |
898 | flash_read16(src)); | |
899 | src += 2, dst2 += 2; | |
900 | break; | |
901 | case FLASH_CFI_32BIT: | |
902 | flag = ((flash_read32(dst2) & flash_read32(src)) == | |
903 | flash_read32(src)); | |
904 | src += 4, dst2 += 4; | |
905 | break; | |
906 | case FLASH_CFI_64BIT: | |
907 | flag = ((flash_read64(dst2) & flash_read64(src)) == | |
908 | flash_read64(src)); | |
909 | src += 8, dst2 += 8; | |
910 | break; | |
911 | } | |
912 | } | |
913 | if (!flag) { | |
914 | retcode = ERR_NOT_ERASED; | |
915 | goto out_unmap; | |
916 | } | |
917 | ||
918 | src = cp; | |
cdbaefb5 | 919 | sector = find_sector (info, dest); |
bf9e3b38 WD |
920 | |
921 | switch (info->vendor) { | |
9c048b52 | 922 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
5653fc33 WD |
923 | case CFI_CMDSET_INTEL_STANDARD: |
924 | case CFI_CMDSET_INTEL_EXTENDED: | |
9c048b52 VL |
925 | write_cmd = (info->vendor == CFI_CMDSET_INTEL_PROG_REGIONS) ? |
926 | FLASH_CMD_WRITE_BUFFER_PROG : FLASH_CMD_WRITE_TO_BUFFER; | |
be60a902 | 927 | flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS); |
9c048b52 VL |
928 | flash_write_cmd (info, sector, 0, FLASH_CMD_READ_STATUS); |
929 | flash_write_cmd (info, sector, 0, write_cmd); | |
be60a902 HS |
930 | retcode = flash_status_check (info, sector, |
931 | info->buffer_write_tout, | |
932 | "write to buffer"); | |
933 | if (retcode == ERR_OK) { | |
934 | /* reduce the number of loops by the width of | |
935 | * the port */ | |
96ef831f | 936 | cnt = len >> shift; |
93c56f21 | 937 | flash_write_cmd (info, sector, 0, cnt - 1); |
be60a902 HS |
938 | while (cnt-- > 0) { |
939 | switch (info->portwidth) { | |
940 | case FLASH_CFI_8BIT: | |
cdbaefb5 HS |
941 | flash_write8(flash_read8(src), dst); |
942 | src += 1, dst += 1; | |
be60a902 HS |
943 | break; |
944 | case FLASH_CFI_16BIT: | |
cdbaefb5 HS |
945 | flash_write16(flash_read16(src), dst); |
946 | src += 2, dst += 2; | |
be60a902 HS |
947 | break; |
948 | case FLASH_CFI_32BIT: | |
cdbaefb5 HS |
949 | flash_write32(flash_read32(src), dst); |
950 | src += 4, dst += 4; | |
be60a902 HS |
951 | break; |
952 | case FLASH_CFI_64BIT: | |
cdbaefb5 HS |
953 | flash_write64(flash_read64(src), dst); |
954 | src += 8, dst += 8; | |
be60a902 HS |
955 | break; |
956 | default: | |
12d30aa7 HS |
957 | retcode = ERR_INVAL; |
958 | goto out_unmap; | |
be60a902 HS |
959 | } |
960 | } | |
961 | flash_write_cmd (info, sector, 0, | |
962 | FLASH_CMD_WRITE_BUFFER_CONFIRM); | |
963 | retcode = flash_full_status_check ( | |
964 | info, sector, info->buffer_write_tout, | |
965 | "buffer write"); | |
966 | } | |
12d30aa7 HS |
967 | |
968 | break; | |
be60a902 | 969 | |
5653fc33 WD |
970 | case CFI_CMDSET_AMD_STANDARD: |
971 | case CFI_CMDSET_AMD_EXTENDED: | |
be60a902 | 972 | flash_unlock_seq(info,0); |
96ef831f GL |
973 | |
974 | #ifdef CONFIG_FLASH_SPANSION_S29WS_N | |
975 | offset = ((unsigned long)dst - info->start[sector]) >> shift; | |
976 | #endif | |
977 | flash_write_cmd(info, sector, offset, AMD_CMD_WRITE_TO_BUFFER); | |
978 | cnt = len >> shift; | |
979 | flash_write_cmd(info, sector, offset, (uchar)cnt - 1); | |
be60a902 HS |
980 | |
981 | switch (info->portwidth) { | |
982 | case FLASH_CFI_8BIT: | |
cdbaefb5 HS |
983 | while (cnt-- > 0) { |
984 | flash_write8(flash_read8(src), dst); | |
985 | src += 1, dst += 1; | |
986 | } | |
be60a902 HS |
987 | break; |
988 | case FLASH_CFI_16BIT: | |
cdbaefb5 HS |
989 | while (cnt-- > 0) { |
990 | flash_write16(flash_read16(src), dst); | |
991 | src += 2, dst += 2; | |
992 | } | |
be60a902 HS |
993 | break; |
994 | case FLASH_CFI_32BIT: | |
cdbaefb5 HS |
995 | while (cnt-- > 0) { |
996 | flash_write32(flash_read32(src), dst); | |
997 | src += 4, dst += 4; | |
998 | } | |
be60a902 HS |
999 | break; |
1000 | case FLASH_CFI_64BIT: | |
cdbaefb5 HS |
1001 | while (cnt-- > 0) { |
1002 | flash_write64(flash_read64(src), dst); | |
1003 | src += 8, dst += 8; | |
1004 | } | |
be60a902 HS |
1005 | break; |
1006 | default: | |
12d30aa7 HS |
1007 | retcode = ERR_INVAL; |
1008 | goto out_unmap; | |
be60a902 HS |
1009 | } |
1010 | ||
1011 | flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM); | |
1012 | retcode = flash_full_status_check (info, sector, | |
1013 | info->buffer_write_tout, | |
1014 | "buffer write"); | |
12d30aa7 | 1015 | break; |
be60a902 | 1016 | |
5653fc33 | 1017 | default: |
be60a902 | 1018 | debug ("Unknown Command Set\n"); |
12d30aa7 HS |
1019 | retcode = ERR_INVAL; |
1020 | break; | |
5653fc33 | 1021 | } |
12d30aa7 HS |
1022 | |
1023 | out_unmap: | |
1024 | unmap_physmem(dst, len); | |
1025 | return retcode; | |
5653fc33 | 1026 | } |
6d0f6bcf | 1027 | #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */ |
be60a902 | 1028 | |
bf9e3b38 | 1029 | |
5653fc33 | 1030 | /*----------------------------------------------------------------------- |
5653fc33 | 1031 | */ |
be60a902 | 1032 | int flash_erase (flash_info_t * info, int s_first, int s_last) |
5653fc33 | 1033 | { |
be60a902 HS |
1034 | int rcode = 0; |
1035 | int prot; | |
1036 | flash_sect_t sect; | |
5653fc33 | 1037 | |
be60a902 HS |
1038 | if (info->flash_id != FLASH_MAN_CFI) { |
1039 | puts ("Can't erase unknown flash type - aborted\n"); | |
1040 | return 1; | |
1041 | } | |
1042 | if ((s_first < 0) || (s_first > s_last)) { | |
1043 | puts ("- no sectors to erase\n"); | |
1044 | return 1; | |
1045 | } | |
2662b40c | 1046 | |
be60a902 HS |
1047 | prot = 0; |
1048 | for (sect = s_first; sect <= s_last; ++sect) { | |
1049 | if (info->protect[sect]) { | |
1050 | prot++; | |
5653fc33 WD |
1051 | } |
1052 | } | |
be60a902 HS |
1053 | if (prot) { |
1054 | printf ("- Warning: %d protected sectors will not be erased!\n", | |
1055 | prot); | |
1056 | } else { | |
1057 | putc ('\n'); | |
1058 | } | |
bf9e3b38 | 1059 | |
bf9e3b38 | 1060 | |
be60a902 HS |
1061 | for (sect = s_first; sect <= s_last; sect++) { |
1062 | if (info->protect[sect] == 0) { /* not protected */ | |
1063 | switch (info->vendor) { | |
9c048b52 | 1064 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
be60a902 HS |
1065 | case CFI_CMDSET_INTEL_STANDARD: |
1066 | case CFI_CMDSET_INTEL_EXTENDED: | |
1067 | flash_write_cmd (info, sect, 0, | |
1068 | FLASH_CMD_CLEAR_STATUS); | |
1069 | flash_write_cmd (info, sect, 0, | |
1070 | FLASH_CMD_BLOCK_ERASE); | |
1071 | flash_write_cmd (info, sect, 0, | |
1072 | FLASH_CMD_ERASE_CONFIRM); | |
1073 | break; | |
1074 | case CFI_CMDSET_AMD_STANDARD: | |
1075 | case CFI_CMDSET_AMD_EXTENDED: | |
1076 | flash_unlock_seq (info, sect); | |
1077 | flash_write_cmd (info, sect, | |
1078 | info->addr_unlock1, | |
1079 | AMD_CMD_ERASE_START); | |
1080 | flash_unlock_seq (info, sect); | |
1081 | flash_write_cmd (info, sect, 0, | |
1082 | AMD_CMD_ERASE_SECTOR); | |
1083 | break; | |
1084 | #ifdef CONFIG_FLASH_CFI_LEGACY | |
1085 | case CFI_CMDSET_AMD_LEGACY: | |
1086 | flash_unlock_seq (info, 0); | |
1087 | flash_write_cmd (info, 0, info->addr_unlock1, | |
1088 | AMD_CMD_ERASE_START); | |
1089 | flash_unlock_seq (info, 0); | |
1090 | flash_write_cmd (info, sect, 0, | |
1091 | AMD_CMD_ERASE_SECTOR); | |
1092 | break; | |
1093 | #endif | |
1094 | default: | |
1095 | debug ("Unkown flash vendor %d\n", | |
1096 | info->vendor); | |
1097 | break; | |
bf9e3b38 | 1098 | } |
be60a902 HS |
1099 | |
1100 | if (flash_full_status_check | |
1101 | (info, sect, info->erase_blk_tout, "erase")) { | |
1102 | rcode = 1; | |
1103 | } else | |
1104 | putc ('.'); | |
5653fc33 | 1105 | } |
5653fc33 | 1106 | } |
be60a902 HS |
1107 | puts (" done\n"); |
1108 | return rcode; | |
5653fc33 | 1109 | } |
bf9e3b38 | 1110 | |
5653fc33 WD |
1111 | /*----------------------------------------------------------------------- |
1112 | */ | |
be60a902 | 1113 | void flash_print_info (flash_info_t * info) |
5653fc33 | 1114 | { |
be60a902 | 1115 | int i; |
4d13cbad | 1116 | |
be60a902 HS |
1117 | if (info->flash_id != FLASH_MAN_CFI) { |
1118 | puts ("missing or unknown FLASH type\n"); | |
1119 | return; | |
1120 | } | |
1121 | ||
1122 | printf ("%s FLASH (%d x %d)", | |
1123 | info->name, | |
1124 | (info->portwidth << 3), (info->chipwidth << 3)); | |
1125 | if (info->size < 1024*1024) | |
1126 | printf (" Size: %ld kB in %d Sectors\n", | |
1127 | info->size >> 10, info->sector_count); | |
1128 | else | |
1129 | printf (" Size: %ld MB in %d Sectors\n", | |
1130 | info->size >> 20, info->sector_count); | |
1131 | printf (" "); | |
1132 | switch (info->vendor) { | |
9c048b52 VL |
1133 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
1134 | printf ("Intel Prog Regions"); | |
1135 | break; | |
be60a902 HS |
1136 | case CFI_CMDSET_INTEL_STANDARD: |
1137 | printf ("Intel Standard"); | |
1138 | break; | |
1139 | case CFI_CMDSET_INTEL_EXTENDED: | |
1140 | printf ("Intel Extended"); | |
1141 | break; | |
1142 | case CFI_CMDSET_AMD_STANDARD: | |
1143 | printf ("AMD Standard"); | |
1144 | break; | |
1145 | case CFI_CMDSET_AMD_EXTENDED: | |
1146 | printf ("AMD Extended"); | |
1147 | break; | |
1148 | #ifdef CONFIG_FLASH_CFI_LEGACY | |
1149 | case CFI_CMDSET_AMD_LEGACY: | |
1150 | printf ("AMD Legacy"); | |
1151 | break; | |
4d13cbad | 1152 | #endif |
be60a902 HS |
1153 | default: |
1154 | printf ("Unknown (%d)", info->vendor); | |
1155 | break; | |
1156 | } | |
1157 | printf (" command set, Manufacturer ID: 0x%02X, Device ID: 0x%02X", | |
1158 | info->manufacturer_id, info->device_id); | |
1159 | if (info->device_id == 0x7E) { | |
1160 | printf("%04X", info->device_id2); | |
1161 | } | |
1162 | printf ("\n Erase timeout: %ld ms, write timeout: %ld ms\n", | |
1163 | info->erase_blk_tout, | |
1164 | info->write_tout); | |
1165 | if (info->buffer_size > 1) { | |
1166 | printf (" Buffer write timeout: %ld ms, " | |
1167 | "buffer size: %d bytes\n", | |
1168 | info->buffer_write_tout, | |
1169 | info->buffer_size); | |
5653fc33 | 1170 | } |
5653fc33 | 1171 | |
be60a902 HS |
1172 | puts ("\n Sector Start Addresses:"); |
1173 | for (i = 0; i < info->sector_count; ++i) { | |
1174 | if ((i % 5) == 0) | |
1175 | printf ("\n"); | |
6d0f6bcf | 1176 | #ifdef CONFIG_SYS_FLASH_EMPTY_INFO |
be60a902 HS |
1177 | int k; |
1178 | int size; | |
1179 | int erased; | |
1180 | volatile unsigned long *flash; | |
5653fc33 | 1181 | |
be60a902 HS |
1182 | /* |
1183 | * Check if whole sector is erased | |
1184 | */ | |
12d30aa7 | 1185 | size = flash_sector_size(info, i); |
be60a902 HS |
1186 | erased = 1; |
1187 | flash = (volatile unsigned long *) info->start[i]; | |
1188 | size = size >> 2; /* divide by 4 for longword access */ | |
1189 | for (k = 0; k < size; k++) { | |
1190 | if (*flash++ != 0xffffffff) { | |
1191 | erased = 0; | |
1192 | break; | |
1193 | } | |
1194 | } | |
bf9e3b38 | 1195 | |
be60a902 HS |
1196 | /* print empty and read-only info */ |
1197 | printf (" %08lX %c %s ", | |
1198 | info->start[i], | |
1199 | erased ? 'E' : ' ', | |
1200 | info->protect[i] ? "RO" : " "); | |
6d0f6bcf | 1201 | #else /* ! CONFIG_SYS_FLASH_EMPTY_INFO */ |
be60a902 HS |
1202 | printf (" %08lX %s ", |
1203 | info->start[i], | |
1204 | info->protect[i] ? "RO" : " "); | |
bf9e3b38 | 1205 | #endif |
be60a902 HS |
1206 | } |
1207 | putc ('\n'); | |
1208 | return; | |
5653fc33 WD |
1209 | } |
1210 | ||
9a042e9c JVB |
1211 | /*----------------------------------------------------------------------- |
1212 | * This is used in a few places in write_buf() to show programming | |
1213 | * progress. Making it a function is nasty because it needs to do side | |
1214 | * effect updates to digit and dots. Repeated code is nasty too, so | |
1215 | * we define it once here. | |
1216 | */ | |
f0105727 SR |
1217 | #ifdef CONFIG_FLASH_SHOW_PROGRESS |
1218 | #define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) \ | |
1219 | dots -= dots_sub; \ | |
9a042e9c JVB |
1220 | if ((scale > 0) && (dots <= 0)) { \ |
1221 | if ((digit % 5) == 0) \ | |
1222 | printf ("%d", digit / 5); \ | |
1223 | else \ | |
1224 | putc ('.'); \ | |
1225 | digit--; \ | |
1226 | dots += scale; \ | |
1227 | } | |
f0105727 SR |
1228 | #else |
1229 | #define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) | |
1230 | #endif | |
9a042e9c | 1231 | |
be60a902 HS |
1232 | /*----------------------------------------------------------------------- |
1233 | * Copy memory to flash, returns: | |
1234 | * 0 - OK | |
1235 | * 1 - write timeout | |
1236 | * 2 - Flash not erased | |
5653fc33 | 1237 | */ |
be60a902 | 1238 | int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
5653fc33 | 1239 | { |
be60a902 | 1240 | ulong wp; |
12d30aa7 | 1241 | uchar *p; |
be60a902 | 1242 | int aln; |
5653fc33 | 1243 | cfiword_t cword; |
be60a902 | 1244 | int i, rc; |
6d0f6bcf | 1245 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
be60a902 | 1246 | int buffered_size; |
5653fc33 | 1247 | #endif |
9a042e9c JVB |
1248 | #ifdef CONFIG_FLASH_SHOW_PROGRESS |
1249 | int digit = CONFIG_FLASH_SHOW_PROGRESS; | |
1250 | int scale = 0; | |
1251 | int dots = 0; | |
1252 | ||
1253 | /* | |
1254 | * Suppress if there are fewer than CONFIG_FLASH_SHOW_PROGRESS writes. | |
1255 | */ | |
1256 | if (cnt >= CONFIG_FLASH_SHOW_PROGRESS) { | |
1257 | scale = (int)((cnt + CONFIG_FLASH_SHOW_PROGRESS - 1) / | |
1258 | CONFIG_FLASH_SHOW_PROGRESS); | |
1259 | } | |
1260 | #endif | |
1261 | ||
be60a902 HS |
1262 | /* get lower aligned address */ |
1263 | wp = (addr & ~(info->portwidth - 1)); | |
3a197b2f | 1264 | |
be60a902 HS |
1265 | /* handle unaligned start */ |
1266 | if ((aln = addr - wp) != 0) { | |
1267 | cword.l = 0; | |
12d30aa7 HS |
1268 | p = map_physmem(wp, info->portwidth, MAP_NOCACHE); |
1269 | for (i = 0; i < aln; ++i) | |
1270 | flash_add_byte (info, &cword, flash_read8(p + i)); | |
5653fc33 | 1271 | |
be60a902 HS |
1272 | for (; (i < info->portwidth) && (cnt > 0); i++) { |
1273 | flash_add_byte (info, &cword, *src++); | |
1274 | cnt--; | |
be60a902 | 1275 | } |
12d30aa7 HS |
1276 | for (; (cnt == 0) && (i < info->portwidth); ++i) |
1277 | flash_add_byte (info, &cword, flash_read8(p + i)); | |
1278 | ||
1279 | rc = flash_write_cfiword (info, wp, cword); | |
1280 | unmap_physmem(p, info->portwidth); | |
1281 | if (rc != 0) | |
be60a902 | 1282 | return rc; |
12d30aa7 HS |
1283 | |
1284 | wp += i; | |
f0105727 | 1285 | FLASH_SHOW_PROGRESS(scale, dots, digit, i); |
be60a902 HS |
1286 | } |
1287 | ||
1288 | /* handle the aligned part */ | |
6d0f6bcf | 1289 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
be60a902 HS |
1290 | buffered_size = (info->portwidth / info->chipwidth); |
1291 | buffered_size *= info->buffer_size; | |
1292 | while (cnt >= info->portwidth) { | |
1293 | /* prohibit buffer write when buffer_size is 1 */ | |
1294 | if (info->buffer_size == 1) { | |
1295 | cword.l = 0; | |
1296 | for (i = 0; i < info->portwidth; i++) | |
1297 | flash_add_byte (info, &cword, *src++); | |
1298 | if ((rc = flash_write_cfiword (info, wp, cword)) != 0) | |
1299 | return rc; | |
1300 | wp += info->portwidth; | |
1301 | cnt -= info->portwidth; | |
1302 | continue; | |
1303 | } | |
1304 | ||
1305 | /* write buffer until next buffered_size aligned boundary */ | |
1306 | i = buffered_size - (wp % buffered_size); | |
1307 | if (i > cnt) | |
1308 | i = cnt; | |
1309 | if ((rc = flash_write_cfibuffer (info, wp, src, i)) != ERR_OK) | |
1310 | return rc; | |
1311 | i -= i & (info->portwidth - 1); | |
1312 | wp += i; | |
1313 | src += i; | |
1314 | cnt -= i; | |
f0105727 | 1315 | FLASH_SHOW_PROGRESS(scale, dots, digit, i); |
be60a902 HS |
1316 | } |
1317 | #else | |
1318 | while (cnt >= info->portwidth) { | |
1319 | cword.l = 0; | |
1320 | for (i = 0; i < info->portwidth; i++) { | |
1321 | flash_add_byte (info, &cword, *src++); | |
1322 | } | |
1323 | if ((rc = flash_write_cfiword (info, wp, cword)) != 0) | |
1324 | return rc; | |
1325 | wp += info->portwidth; | |
1326 | cnt -= info->portwidth; | |
f0105727 | 1327 | FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth); |
be60a902 | 1328 | } |
6d0f6bcf | 1329 | #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */ |
9a042e9c | 1330 | |
be60a902 HS |
1331 | if (cnt == 0) { |
1332 | return (0); | |
1333 | } | |
1334 | ||
1335 | /* | |
1336 | * handle unaligned tail bytes | |
1337 | */ | |
1338 | cword.l = 0; | |
12d30aa7 HS |
1339 | p = map_physmem(wp, info->portwidth, MAP_NOCACHE); |
1340 | for (i = 0; (i < info->portwidth) && (cnt > 0); ++i) { | |
be60a902 HS |
1341 | flash_add_byte (info, &cword, *src++); |
1342 | --cnt; | |
1343 | } | |
12d30aa7 HS |
1344 | for (; i < info->portwidth; ++i) |
1345 | flash_add_byte (info, &cword, flash_read8(p + i)); | |
1346 | unmap_physmem(p, info->portwidth); | |
be60a902 HS |
1347 | |
1348 | return flash_write_cfiword (info, wp, cword); | |
5653fc33 | 1349 | } |
bf9e3b38 | 1350 | |
5653fc33 WD |
1351 | /*----------------------------------------------------------------------- |
1352 | */ | |
6d0f6bcf | 1353 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
be60a902 HS |
1354 | |
1355 | int flash_real_protect (flash_info_t * info, long sector, int prot) | |
5653fc33 | 1356 | { |
be60a902 | 1357 | int retcode = 0; |
5653fc33 | 1358 | |
bc9019e1 RC |
1359 | switch (info->vendor) { |
1360 | case CFI_CMDSET_INTEL_PROG_REGIONS: | |
1361 | case CFI_CMDSET_INTEL_STANDARD: | |
9e8e63cc | 1362 | case CFI_CMDSET_INTEL_EXTENDED: |
bc9019e1 RC |
1363 | flash_write_cmd (info, sector, 0, |
1364 | FLASH_CMD_CLEAR_STATUS); | |
1365 | flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT); | |
1366 | if (prot) | |
1367 | flash_write_cmd (info, sector, 0, | |
1368 | FLASH_CMD_PROTECT_SET); | |
1369 | else | |
1370 | flash_write_cmd (info, sector, 0, | |
1371 | FLASH_CMD_PROTECT_CLEAR); | |
1372 | break; | |
1373 | case CFI_CMDSET_AMD_EXTENDED: | |
1374 | case CFI_CMDSET_AMD_STANDARD: | |
bc9019e1 RC |
1375 | /* U-Boot only checks the first byte */ |
1376 | if (info->manufacturer_id == (uchar)ATM_MANUFACT) { | |
1377 | if (prot) { | |
1378 | flash_unlock_seq (info, 0); | |
1379 | flash_write_cmd (info, 0, | |
1380 | info->addr_unlock1, | |
1381 | ATM_CMD_SOFTLOCK_START); | |
1382 | flash_unlock_seq (info, 0); | |
1383 | flash_write_cmd (info, sector, 0, | |
1384 | ATM_CMD_LOCK_SECT); | |
1385 | } else { | |
1386 | flash_write_cmd (info, 0, | |
1387 | info->addr_unlock1, | |
1388 | AMD_CMD_UNLOCK_START); | |
1389 | if (info->device_id == ATM_ID_BV6416) | |
1390 | flash_write_cmd (info, sector, | |
1391 | 0, ATM_CMD_UNLOCK_SECT); | |
1392 | } | |
1393 | } | |
1394 | break; | |
4e00acde TL |
1395 | #ifdef CONFIG_FLASH_CFI_LEGACY |
1396 | case CFI_CMDSET_AMD_LEGACY: | |
1397 | flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS); | |
1398 | flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT); | |
1399 | if (prot) | |
1400 | flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT_SET); | |
1401 | else | |
1402 | flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT_CLEAR); | |
1403 | #endif | |
bc9019e1 | 1404 | }; |
bf9e3b38 | 1405 | |
be60a902 HS |
1406 | if ((retcode = |
1407 | flash_full_status_check (info, sector, info->erase_blk_tout, | |
1408 | prot ? "protect" : "unprotect")) == 0) { | |
bf9e3b38 | 1409 | |
be60a902 HS |
1410 | info->protect[sector] = prot; |
1411 | ||
1412 | /* | |
1413 | * On some of Intel's flash chips (marked via legacy_unlock) | |
1414 | * unprotect unprotects all locking. | |
1415 | */ | |
1416 | if ((prot == 0) && (info->legacy_unlock)) { | |
1417 | flash_sect_t i; | |
1418 | ||
1419 | for (i = 0; i < info->sector_count; i++) { | |
1420 | if (info->protect[i]) | |
1421 | flash_real_protect (info, i, 1); | |
1422 | } | |
5653fc33 | 1423 | } |
5653fc33 | 1424 | } |
be60a902 | 1425 | return retcode; |
5653fc33 | 1426 | } |
bf9e3b38 | 1427 | |
5653fc33 | 1428 | /*----------------------------------------------------------------------- |
be60a902 | 1429 | * flash_read_user_serial - read the OneTimeProgramming cells |
5653fc33 | 1430 | */ |
be60a902 HS |
1431 | void flash_read_user_serial (flash_info_t * info, void *buffer, int offset, |
1432 | int len) | |
5653fc33 | 1433 | { |
be60a902 HS |
1434 | uchar *src; |
1435 | uchar *dst; | |
bf9e3b38 | 1436 | |
be60a902 | 1437 | dst = buffer; |
12d30aa7 | 1438 | src = flash_map (info, 0, FLASH_OFFSET_USER_PROTECTION); |
be60a902 HS |
1439 | flash_write_cmd (info, 0, 0, FLASH_CMD_READ_ID); |
1440 | memcpy (dst, src + offset, len); | |
1441 | flash_write_cmd (info, 0, 0, info->cmd_reset); | |
12d30aa7 | 1442 | flash_unmap(info, 0, FLASH_OFFSET_USER_PROTECTION, src); |
5653fc33 WD |
1443 | } |
1444 | ||
be60a902 HS |
1445 | /* |
1446 | * flash_read_factory_serial - read the device Id from the protection area | |
5653fc33 | 1447 | */ |
be60a902 HS |
1448 | void flash_read_factory_serial (flash_info_t * info, void *buffer, int offset, |
1449 | int len) | |
5653fc33 | 1450 | { |
be60a902 | 1451 | uchar *src; |
bf9e3b38 | 1452 | |
12d30aa7 | 1453 | src = flash_map (info, 0, FLASH_OFFSET_INTEL_PROTECTION); |
be60a902 HS |
1454 | flash_write_cmd (info, 0, 0, FLASH_CMD_READ_ID); |
1455 | memcpy (buffer, src + offset, len); | |
1456 | flash_write_cmd (info, 0, 0, info->cmd_reset); | |
12d30aa7 | 1457 | flash_unmap(info, 0, FLASH_OFFSET_INTEL_PROTECTION, src); |
5653fc33 WD |
1458 | } |
1459 | ||
6d0f6bcf | 1460 | #endif /* CONFIG_SYS_FLASH_PROTECTION */ |
be60a902 | 1461 | |
0ddf06dd HS |
1462 | /*----------------------------------------------------------------------- |
1463 | * Reverse the order of the erase regions in the CFI QRY structure. | |
1464 | * This is needed for chips that are either a) correctly detected as | |
1465 | * top-boot, or b) buggy. | |
1466 | */ | |
1467 | static void cfi_reverse_geometry(struct cfi_qry *qry) | |
1468 | { | |
1469 | unsigned int i, j; | |
1470 | u32 tmp; | |
1471 | ||
1472 | for (i = 0, j = qry->num_erase_regions - 1; i < j; i++, j--) { | |
1473 | tmp = qry->erase_region_info[i]; | |
1474 | qry->erase_region_info[i] = qry->erase_region_info[j]; | |
1475 | qry->erase_region_info[j] = tmp; | |
1476 | } | |
1477 | } | |
be60a902 | 1478 | |
260421a2 SR |
1479 | /*----------------------------------------------------------------------- |
1480 | * read jedec ids from device and set corresponding fields in info struct | |
1481 | * | |
1482 | * Note: assume cfi->vendor, cfi->portwidth and cfi->chipwidth are correct | |
1483 | * | |
0ddf06dd HS |
1484 | */ |
1485 | static void cmdset_intel_read_jedec_ids(flash_info_t *info) | |
1486 | { | |
1487 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); | |
1488 | flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID); | |
1489 | udelay(1000); /* some flash are slow to respond */ | |
1490 | info->manufacturer_id = flash_read_uchar (info, | |
1491 | FLASH_OFFSET_MANUFACTURER_ID); | |
1492 | info->device_id = flash_read_uchar (info, | |
1493 | FLASH_OFFSET_DEVICE_ID); | |
1494 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); | |
1495 | } | |
1496 | ||
1497 | static int cmdset_intel_init(flash_info_t *info, struct cfi_qry *qry) | |
1498 | { | |
1499 | info->cmd_reset = FLASH_CMD_RESET; | |
1500 | ||
1501 | cmdset_intel_read_jedec_ids(info); | |
1502 | flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI); | |
1503 | ||
6d0f6bcf | 1504 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
0ddf06dd HS |
1505 | /* read legacy lock/unlock bit from intel flash */ |
1506 | if (info->ext_addr) { | |
1507 | info->legacy_unlock = flash_read_uchar (info, | |
1508 | info->ext_addr + 5) & 0x08; | |
1509 | } | |
1510 | #endif | |
1511 | ||
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static void cmdset_amd_read_jedec_ids(flash_info_t *info) | |
1516 | { | |
1517 | flash_write_cmd(info, 0, 0, AMD_CMD_RESET); | |
1518 | flash_unlock_seq(info, 0); | |
1519 | flash_write_cmd(info, 0, info->addr_unlock1, FLASH_CMD_READ_ID); | |
1520 | udelay(1000); /* some flash are slow to respond */ | |
90447ecb | 1521 | |
0ddf06dd HS |
1522 | info->manufacturer_id = flash_read_uchar (info, |
1523 | FLASH_OFFSET_MANUFACTURER_ID); | |
90447ecb TK |
1524 | |
1525 | switch (info->chipwidth){ | |
1526 | case FLASH_CFI_8BIT: | |
1527 | info->device_id = flash_read_uchar (info, | |
1528 | FLASH_OFFSET_DEVICE_ID); | |
1529 | if (info->device_id == 0x7E) { | |
1530 | /* AMD 3-byte (expanded) device ids */ | |
1531 | info->device_id2 = flash_read_uchar (info, | |
1532 | FLASH_OFFSET_DEVICE_ID2); | |
1533 | info->device_id2 <<= 8; | |
1534 | info->device_id2 |= flash_read_uchar (info, | |
1535 | FLASH_OFFSET_DEVICE_ID3); | |
1536 | } | |
1537 | break; | |
1538 | case FLASH_CFI_16BIT: | |
1539 | info->device_id = flash_read_word (info, | |
1540 | FLASH_OFFSET_DEVICE_ID); | |
1541 | break; | |
1542 | default: | |
1543 | break; | |
0ddf06dd HS |
1544 | } |
1545 | flash_write_cmd(info, 0, 0, AMD_CMD_RESET); | |
1546 | } | |
1547 | ||
1548 | static int cmdset_amd_init(flash_info_t *info, struct cfi_qry *qry) | |
1549 | { | |
1550 | info->cmd_reset = AMD_CMD_RESET; | |
1551 | ||
1552 | cmdset_amd_read_jedec_ids(info); | |
1553 | flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI); | |
1554 | ||
0ddf06dd HS |
1555 | return 0; |
1556 | } | |
1557 | ||
1558 | #ifdef CONFIG_FLASH_CFI_LEGACY | |
260421a2 SR |
1559 | static void flash_read_jedec_ids (flash_info_t * info) |
1560 | { | |
1561 | info->manufacturer_id = 0; | |
1562 | info->device_id = 0; | |
1563 | info->device_id2 = 0; | |
1564 | ||
1565 | switch (info->vendor) { | |
9c048b52 | 1566 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
260421a2 SR |
1567 | case CFI_CMDSET_INTEL_STANDARD: |
1568 | case CFI_CMDSET_INTEL_EXTENDED: | |
8225d1e3 | 1569 | cmdset_intel_read_jedec_ids(info); |
260421a2 SR |
1570 | break; |
1571 | case CFI_CMDSET_AMD_STANDARD: | |
1572 | case CFI_CMDSET_AMD_EXTENDED: | |
8225d1e3 | 1573 | cmdset_amd_read_jedec_ids(info); |
260421a2 SR |
1574 | break; |
1575 | default: | |
1576 | break; | |
1577 | } | |
1578 | } | |
1579 | ||
5653fc33 | 1580 | /*----------------------------------------------------------------------- |
be60a902 HS |
1581 | * Call board code to request info about non-CFI flash. |
1582 | * board_flash_get_legacy needs to fill in at least: | |
1583 | * info->portwidth, info->chipwidth and info->interface for Jedec probing. | |
7e5b9b47 | 1584 | */ |
be60a902 | 1585 | static int flash_detect_legacy(ulong base, int banknum) |
5653fc33 | 1586 | { |
be60a902 | 1587 | flash_info_t *info = &flash_info[banknum]; |
7e5b9b47 | 1588 | |
be60a902 HS |
1589 | if (board_flash_get_legacy(base, banknum, info)) { |
1590 | /* board code may have filled info completely. If not, we | |
1591 | use JEDEC ID probing. */ | |
1592 | if (!info->vendor) { | |
1593 | int modes[] = { | |
1594 | CFI_CMDSET_AMD_STANDARD, | |
1595 | CFI_CMDSET_INTEL_STANDARD | |
1596 | }; | |
1597 | int i; | |
7e5b9b47 | 1598 | |
be60a902 HS |
1599 | for (i = 0; i < sizeof(modes) / sizeof(modes[0]); i++) { |
1600 | info->vendor = modes[i]; | |
1601 | info->start[0] = base; | |
1602 | if (info->portwidth == FLASH_CFI_8BIT | |
1603 | && info->interface == FLASH_CFI_X8X16) { | |
1604 | info->addr_unlock1 = 0x2AAA; | |
1605 | info->addr_unlock2 = 0x5555; | |
1606 | } else { | |
1607 | info->addr_unlock1 = 0x5555; | |
1608 | info->addr_unlock2 = 0x2AAA; | |
1609 | } | |
1610 | flash_read_jedec_ids(info); | |
1611 | debug("JEDEC PROBE: ID %x %x %x\n", | |
1612 | info->manufacturer_id, | |
1613 | info->device_id, | |
1614 | info->device_id2); | |
1615 | if (jedec_flash_match(info, base)) | |
1616 | break; | |
1617 | } | |
1618 | } | |
1619 | ||
1620 | switch(info->vendor) { | |
9c048b52 | 1621 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
be60a902 HS |
1622 | case CFI_CMDSET_INTEL_STANDARD: |
1623 | case CFI_CMDSET_INTEL_EXTENDED: | |
1624 | info->cmd_reset = FLASH_CMD_RESET; | |
1625 | break; | |
1626 | case CFI_CMDSET_AMD_STANDARD: | |
1627 | case CFI_CMDSET_AMD_EXTENDED: | |
1628 | case CFI_CMDSET_AMD_LEGACY: | |
1629 | info->cmd_reset = AMD_CMD_RESET; | |
1630 | break; | |
1631 | } | |
1632 | info->flash_id = FLASH_MAN_CFI; | |
1633 | return 1; | |
1634 | } | |
1635 | return 0; /* use CFI */ | |
1636 | } | |
1637 | #else | |
1638 | static inline int flash_detect_legacy(ulong base, int banknum) | |
1639 | { | |
1640 | return 0; /* use CFI */ | |
1641 | } | |
1642 | #endif | |
1643 | ||
1644 | /*----------------------------------------------------------------------- | |
1645 | * detect if flash is compatible with the Common Flash Interface (CFI) | |
1646 | * http://www.jedec.org/download/search/jesd68.pdf | |
1647 | */ | |
e23741f4 HS |
1648 | static void flash_read_cfi (flash_info_t *info, void *buf, |
1649 | unsigned int start, size_t len) | |
1650 | { | |
1651 | u8 *p = buf; | |
1652 | unsigned int i; | |
1653 | ||
1654 | for (i = 0; i < len; i++) | |
1655 | p[i] = flash_read_uchar(info, start + i); | |
1656 | } | |
1657 | ||
1658 | static int __flash_detect_cfi (flash_info_t * info, struct cfi_qry *qry) | |
be60a902 HS |
1659 | { |
1660 | int cfi_offset; | |
1661 | ||
1ba639da MS |
1662 | /* We do not yet know what kind of commandset to use, so we issue |
1663 | the reset command in both Intel and AMD variants, in the hope | |
1664 | that AMD flash roms ignore the Intel command. */ | |
1665 | flash_write_cmd (info, 0, 0, AMD_CMD_RESET); | |
1666 | flash_write_cmd (info, 0, 0, FLASH_CMD_RESET); | |
1667 | ||
be60a902 HS |
1668 | for (cfi_offset=0; |
1669 | cfi_offset < sizeof(flash_offset_cfi) / sizeof(uint); | |
1670 | cfi_offset++) { | |
1671 | flash_write_cmd (info, 0, flash_offset_cfi[cfi_offset], | |
1672 | FLASH_CMD_CFI); | |
1673 | if (flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP, 'Q') | |
1674 | && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') | |
1675 | && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) { | |
e23741f4 HS |
1676 | flash_read_cfi(info, qry, FLASH_OFFSET_CFI_RESP, |
1677 | sizeof(struct cfi_qry)); | |
1678 | info->interface = le16_to_cpu(qry->interface_desc); | |
1679 | ||
be60a902 HS |
1680 | info->cfi_offset = flash_offset_cfi[cfi_offset]; |
1681 | debug ("device interface is %d\n", | |
1682 | info->interface); | |
1683 | debug ("found port %d chip %d ", | |
1684 | info->portwidth, info->chipwidth); | |
1685 | debug ("port %d bits chip %d bits\n", | |
1686 | info->portwidth << CFI_FLASH_SHIFT_WIDTH, | |
1687 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); | |
1688 | ||
1689 | /* calculate command offsets as in the Linux driver */ | |
1690 | info->addr_unlock1 = 0x555; | |
7e5b9b47 HS |
1691 | info->addr_unlock2 = 0x2aa; |
1692 | ||
1693 | /* | |
1694 | * modify the unlock address if we are | |
1695 | * in compatibility mode | |
1696 | */ | |
1697 | if ( /* x8/x16 in x8 mode */ | |
1698 | ((info->chipwidth == FLASH_CFI_BY8) && | |
1699 | (info->interface == FLASH_CFI_X8X16)) || | |
1700 | /* x16/x32 in x16 mode */ | |
1701 | ((info->chipwidth == FLASH_CFI_BY16) && | |
1702 | (info->interface == FLASH_CFI_X16X32))) | |
1703 | { | |
1704 | info->addr_unlock1 = 0xaaa; | |
1705 | info->addr_unlock2 = 0x555; | |
1706 | } | |
1707 | ||
1708 | info->name = "CFI conformant"; | |
1709 | return 1; | |
1710 | } | |
1711 | } | |
1712 | ||
1713 | return 0; | |
1714 | } | |
1715 | ||
e23741f4 | 1716 | static int flash_detect_cfi (flash_info_t * info, struct cfi_qry *qry) |
7e5b9b47 | 1717 | { |
bf9e3b38 WD |
1718 | debug ("flash detect cfi\n"); |
1719 | ||
6d0f6bcf | 1720 | for (info->portwidth = CONFIG_SYS_FLASH_CFI_WIDTH; |
bf9e3b38 WD |
1721 | info->portwidth <= FLASH_CFI_64BIT; info->portwidth <<= 1) { |
1722 | for (info->chipwidth = FLASH_CFI_BY8; | |
1723 | info->chipwidth <= info->portwidth; | |
7e5b9b47 | 1724 | info->chipwidth <<= 1) |
e23741f4 | 1725 | if (__flash_detect_cfi(info, qry)) |
7e5b9b47 | 1726 | return 1; |
5653fc33 | 1727 | } |
bf9e3b38 | 1728 | debug ("not found\n"); |
5653fc33 WD |
1729 | return 0; |
1730 | } | |
bf9e3b38 | 1731 | |
467bcee1 HS |
1732 | /* |
1733 | * Manufacturer-specific quirks. Add workarounds for geometry | |
1734 | * reversal, etc. here. | |
1735 | */ | |
1736 | static void flash_fixup_amd(flash_info_t *info, struct cfi_qry *qry) | |
1737 | { | |
1738 | /* check if flash geometry needs reversal */ | |
1739 | if (qry->num_erase_regions > 1) { | |
1740 | /* reverse geometry if top boot part */ | |
1741 | if (info->cfi_version < 0x3131) { | |
1742 | /* CFI < 1.1, try to guess from device id */ | |
1743 | if ((info->device_id & 0x80) != 0) | |
1744 | cfi_reverse_geometry(qry); | |
1745 | } else if (flash_read_uchar(info, info->ext_addr + 0xf) == 3) { | |
1746 | /* CFI >= 1.1, deduct from top/bottom flag */ | |
1747 | /* note: ext_addr is valid since cfi_version > 0 */ | |
1748 | cfi_reverse_geometry(qry); | |
1749 | } | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | static void flash_fixup_atmel(flash_info_t *info, struct cfi_qry *qry) | |
1754 | { | |
1755 | int reverse_geometry = 0; | |
1756 | ||
1757 | /* Check the "top boot" bit in the PRI */ | |
1758 | if (info->ext_addr && !(flash_read_uchar(info, info->ext_addr + 6) & 1)) | |
1759 | reverse_geometry = 1; | |
1760 | ||
1761 | /* AT49BV6416(T) list the erase regions in the wrong order. | |
1762 | * However, the device ID is identical with the non-broken | |
1763 | * AT49BV642D since u-boot only reads the low byte (they | |
1764 | * differ in the high byte.) So leave out this fixup for now. | |
1765 | */ | |
1766 | #if 0 | |
1767 | if (info->device_id == 0xd6 || info->device_id == 0xd2) | |
1768 | reverse_geometry = !reverse_geometry; | |
1769 | #endif | |
1770 | ||
1771 | if (reverse_geometry) | |
1772 | cfi_reverse_geometry(qry); | |
1773 | } | |
1774 | ||
5653fc33 WD |
1775 | /* |
1776 | * The following code cannot be run from FLASH! | |
1777 | * | |
1778 | */ | |
e6f2e902 | 1779 | ulong flash_get_size (ulong base, int banknum) |
5653fc33 | 1780 | { |
bf9e3b38 | 1781 | flash_info_t *info = &flash_info[banknum]; |
5653fc33 WD |
1782 | int i, j; |
1783 | flash_sect_t sect_cnt; | |
1784 | unsigned long sector; | |
1785 | unsigned long tmp; | |
1786 | int size_ratio; | |
1787 | uchar num_erase_regions; | |
bf9e3b38 WD |
1788 | int erase_region_size; |
1789 | int erase_region_count; | |
e23741f4 | 1790 | struct cfi_qry qry; |
260421a2 | 1791 | |
f979690e KG |
1792 | memset(&qry, 0, sizeof(qry)); |
1793 | ||
260421a2 SR |
1794 | info->ext_addr = 0; |
1795 | info->cfi_version = 0; | |
6d0f6bcf | 1796 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
2662b40c SR |
1797 | info->legacy_unlock = 0; |
1798 | #endif | |
5653fc33 WD |
1799 | |
1800 | info->start[0] = base; | |
1801 | ||
e23741f4 HS |
1802 | if (flash_detect_cfi (info, &qry)) { |
1803 | info->vendor = le16_to_cpu(qry.p_id); | |
1804 | info->ext_addr = le16_to_cpu(qry.p_adr); | |
1805 | num_erase_regions = qry.num_erase_regions; | |
1806 | ||
260421a2 SR |
1807 | if (info->ext_addr) { |
1808 | info->cfi_version = (ushort) flash_read_uchar (info, | |
1809 | info->ext_addr + 3) << 8; | |
1810 | info->cfi_version |= (ushort) flash_read_uchar (info, | |
1811 | info->ext_addr + 4); | |
1812 | } | |
0ddf06dd | 1813 | |
bf9e3b38 | 1814 | #ifdef DEBUG |
e23741f4 | 1815 | flash_printqry (&qry); |
bf9e3b38 | 1816 | #endif |
0ddf06dd | 1817 | |
bf9e3b38 | 1818 | switch (info->vendor) { |
9c048b52 | 1819 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
5653fc33 WD |
1820 | case CFI_CMDSET_INTEL_STANDARD: |
1821 | case CFI_CMDSET_INTEL_EXTENDED: | |
0ddf06dd | 1822 | cmdset_intel_init(info, &qry); |
5653fc33 WD |
1823 | break; |
1824 | case CFI_CMDSET_AMD_STANDARD: | |
1825 | case CFI_CMDSET_AMD_EXTENDED: | |
0ddf06dd | 1826 | cmdset_amd_init(info, &qry); |
5653fc33 | 1827 | break; |
0ddf06dd HS |
1828 | default: |
1829 | printf("CFI: Unknown command set 0x%x\n", | |
1830 | info->vendor); | |
1831 | /* | |
1832 | * Unfortunately, this means we don't know how | |
1833 | * to get the chip back to Read mode. Might | |
1834 | * as well try an Intel-style reset... | |
1835 | */ | |
1836 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); | |
1837 | return 0; | |
5653fc33 | 1838 | } |
cd37d9e6 | 1839 | |
467bcee1 HS |
1840 | /* Do manufacturer-specific fixups */ |
1841 | switch (info->manufacturer_id) { | |
1842 | case 0x0001: | |
1843 | flash_fixup_amd(info, &qry); | |
1844 | break; | |
1845 | case 0x001f: | |
1846 | flash_fixup_atmel(info, &qry); | |
1847 | break; | |
1848 | } | |
1849 | ||
bf9e3b38 | 1850 | debug ("manufacturer is %d\n", info->vendor); |
260421a2 SR |
1851 | debug ("manufacturer id is 0x%x\n", info->manufacturer_id); |
1852 | debug ("device id is 0x%x\n", info->device_id); | |
1853 | debug ("device id2 is 0x%x\n", info->device_id2); | |
1854 | debug ("cfi version is 0x%04x\n", info->cfi_version); | |
1855 | ||
5653fc33 | 1856 | size_ratio = info->portwidth / info->chipwidth; |
bf9e3b38 WD |
1857 | /* if the chip is x8/x16 reduce the ratio by half */ |
1858 | if ((info->interface == FLASH_CFI_X8X16) | |
1859 | && (info->chipwidth == FLASH_CFI_BY8)) { | |
1860 | size_ratio >>= 1; | |
1861 | } | |
bf9e3b38 WD |
1862 | debug ("size_ratio %d port %d bits chip %d bits\n", |
1863 | size_ratio, info->portwidth << CFI_FLASH_SHIFT_WIDTH, | |
1864 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); | |
1865 | debug ("found %d erase regions\n", num_erase_regions); | |
5653fc33 WD |
1866 | sect_cnt = 0; |
1867 | sector = base; | |
bf9e3b38 WD |
1868 | for (i = 0; i < num_erase_regions; i++) { |
1869 | if (i > NUM_ERASE_REGIONS) { | |
028ab6b5 WD |
1870 | printf ("%d erase regions found, only %d used\n", |
1871 | num_erase_regions, NUM_ERASE_REGIONS); | |
5653fc33 WD |
1872 | break; |
1873 | } | |
e23741f4 | 1874 | |
0ddf06dd HS |
1875 | tmp = le32_to_cpu(qry.erase_region_info[i]); |
1876 | debug("erase region %u: 0x%08lx\n", i, tmp); | |
e23741f4 HS |
1877 | |
1878 | erase_region_count = (tmp & 0xffff) + 1; | |
1879 | tmp >>= 16; | |
bf9e3b38 WD |
1880 | erase_region_size = |
1881 | (tmp & 0xffff) ? ((tmp & 0xffff) * 256) : 128; | |
4c0d4c3b | 1882 | debug ("erase_region_count = %d erase_region_size = %d\n", |
028ab6b5 | 1883 | erase_region_count, erase_region_size); |
bf9e3b38 | 1884 | for (j = 0; j < erase_region_count; j++) { |
6d0f6bcf | 1885 | if (sect_cnt >= CONFIG_SYS_MAX_FLASH_SECT) { |
81b20ccc MS |
1886 | printf("ERROR: too many flash sectors\n"); |
1887 | break; | |
1888 | } | |
5653fc33 WD |
1889 | info->start[sect_cnt] = sector; |
1890 | sector += (erase_region_size * size_ratio); | |
a1191902 WD |
1891 | |
1892 | /* | |
7e5b9b47 HS |
1893 | * Only read protection status from |
1894 | * supported devices (intel...) | |
a1191902 WD |
1895 | */ |
1896 | switch (info->vendor) { | |
9c048b52 | 1897 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
a1191902 WD |
1898 | case CFI_CMDSET_INTEL_EXTENDED: |
1899 | case CFI_CMDSET_INTEL_STANDARD: | |
1900 | info->protect[sect_cnt] = | |
1901 | flash_isset (info, sect_cnt, | |
1902 | FLASH_OFFSET_PROTECT, | |
1903 | FLASH_STATUS_PROTECT); | |
1904 | break; | |
1905 | default: | |
7e5b9b47 HS |
1906 | /* default: not protected */ |
1907 | info->protect[sect_cnt] = 0; | |
a1191902 WD |
1908 | } |
1909 | ||
5653fc33 WD |
1910 | sect_cnt++; |
1911 | } | |
1912 | } | |
1913 | ||
1914 | info->sector_count = sect_cnt; | |
e23741f4 | 1915 | info->size = 1 << qry.dev_size; |
5653fc33 | 1916 | /* multiply the size by the number of chips */ |
7e5b9b47 | 1917 | info->size *= size_ratio; |
e23741f4 HS |
1918 | info->buffer_size = 1 << le16_to_cpu(qry.max_buf_write_size); |
1919 | tmp = 1 << qry.block_erase_timeout_typ; | |
7e5b9b47 | 1920 | info->erase_blk_tout = tmp * |
e23741f4 HS |
1921 | (1 << qry.block_erase_timeout_max); |
1922 | tmp = (1 << qry.buf_write_timeout_typ) * | |
1923 | (1 << qry.buf_write_timeout_max); | |
1924 | ||
7e5b9b47 | 1925 | /* round up when converting to ms */ |
e23741f4 HS |
1926 | info->buffer_write_tout = (tmp + 999) / 1000; |
1927 | tmp = (1 << qry.word_write_timeout_typ) * | |
1928 | (1 << qry.word_write_timeout_max); | |
7e5b9b47 | 1929 | /* round up when converting to ms */ |
e23741f4 | 1930 | info->write_tout = (tmp + 999) / 1000; |
5653fc33 | 1931 | info->flash_id = FLASH_MAN_CFI; |
7e5b9b47 HS |
1932 | if ((info->interface == FLASH_CFI_X8X16) && |
1933 | (info->chipwidth == FLASH_CFI_BY8)) { | |
1934 | /* XXX - Need to test on x8/x16 in parallel. */ | |
1935 | info->portwidth >>= 1; | |
855a496f | 1936 | } |
2215987e MF |
1937 | |
1938 | flash_write_cmd (info, 0, 0, info->cmd_reset); | |
5653fc33 WD |
1939 | } |
1940 | ||
bf9e3b38 | 1941 | return (info->size); |
5653fc33 WD |
1942 | } |
1943 | ||
5653fc33 WD |
1944 | /*----------------------------------------------------------------------- |
1945 | */ | |
be60a902 | 1946 | unsigned long flash_init (void) |
5653fc33 | 1947 | { |
be60a902 HS |
1948 | unsigned long size = 0; |
1949 | int i; | |
6d0f6bcf | 1950 | #if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST) |
c63ad632 MF |
1951 | struct apl_s { |
1952 | ulong start; | |
1953 | ulong size; | |
6d0f6bcf | 1954 | } apl[] = CONFIG_SYS_FLASH_AUTOPROTECT_LIST; |
c63ad632 | 1955 | #endif |
5653fc33 | 1956 | |
6d0f6bcf | 1957 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
be60a902 | 1958 | char *s = getenv("unlock"); |
81b20ccc | 1959 | #endif |
5653fc33 | 1960 | |
6d0f6bcf | 1961 | #define BANK_BASE(i) (((unsigned long [CFI_MAX_FLASH_BANKS])CONFIG_SYS_FLASH_BANKS_LIST)[i]) |
2a112b23 | 1962 | |
be60a902 | 1963 | /* Init: no FLASHes known */ |
6d0f6bcf | 1964 | for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { |
be60a902 | 1965 | flash_info[i].flash_id = FLASH_UNKNOWN; |
5653fc33 | 1966 | |
2a112b23 WD |
1967 | if (!flash_detect_legacy (BANK_BASE(i), i)) |
1968 | flash_get_size (BANK_BASE(i), i); | |
be60a902 HS |
1969 | size += flash_info[i].size; |
1970 | if (flash_info[i].flash_id == FLASH_UNKNOWN) { | |
6d0f6bcf | 1971 | #ifndef CONFIG_SYS_FLASH_QUIET_TEST |
be60a902 HS |
1972 | printf ("## Unknown FLASH on Bank %d " |
1973 | "- Size = 0x%08lx = %ld MB\n", | |
1974 | i+1, flash_info[i].size, | |
1975 | flash_info[i].size << 20); | |
6d0f6bcf | 1976 | #endif /* CONFIG_SYS_FLASH_QUIET_TEST */ |
be60a902 | 1977 | } |
6d0f6bcf | 1978 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
be60a902 HS |
1979 | else if ((s != NULL) && (strcmp(s, "yes") == 0)) { |
1980 | /* | |
1981 | * Only the U-Boot image and it's environment | |
1982 | * is protected, all other sectors are | |
1983 | * unprotected (unlocked) if flash hardware | |
6d0f6bcf | 1984 | * protection is used (CONFIG_SYS_FLASH_PROTECTION) |
be60a902 HS |
1985 | * and the environment variable "unlock" is |
1986 | * set to "yes". | |
1987 | */ | |
1988 | if (flash_info[i].legacy_unlock) { | |
1989 | int k; | |
5653fc33 | 1990 | |
be60a902 HS |
1991 | /* |
1992 | * Disable legacy_unlock temporarily, | |
1993 | * since flash_real_protect would | |
1994 | * relock all other sectors again | |
1995 | * otherwise. | |
1996 | */ | |
1997 | flash_info[i].legacy_unlock = 0; | |
5653fc33 | 1998 | |
be60a902 HS |
1999 | /* |
2000 | * Legacy unlocking (e.g. Intel J3) -> | |
2001 | * unlock only one sector. This will | |
2002 | * unlock all sectors. | |
2003 | */ | |
2004 | flash_real_protect (&flash_info[i], 0, 0); | |
5653fc33 | 2005 | |
be60a902 | 2006 | flash_info[i].legacy_unlock = 1; |
5653fc33 | 2007 | |
be60a902 HS |
2008 | /* |
2009 | * Manually mark other sectors as | |
2010 | * unlocked (unprotected) | |
2011 | */ | |
2012 | for (k = 1; k < flash_info[i].sector_count; k++) | |
2013 | flash_info[i].protect[k] = 0; | |
2014 | } else { | |
2015 | /* | |
2016 | * No legancy unlocking -> unlock all sectors | |
2017 | */ | |
2018 | flash_protect (FLAG_PROTECT_CLEAR, | |
2019 | flash_info[i].start[0], | |
2020 | flash_info[i].start[0] | |
2021 | + flash_info[i].size - 1, | |
2022 | &flash_info[i]); | |
79b4cda0 | 2023 | } |
79b4cda0 | 2024 | } |
6d0f6bcf | 2025 | #endif /* CONFIG_SYS_FLASH_PROTECTION */ |
be60a902 | 2026 | } |
79b4cda0 | 2027 | |
be60a902 | 2028 | /* Monitor protection ON by default */ |
6d0f6bcf | 2029 | #if (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE) |
be60a902 | 2030 | flash_protect (FLAG_PROTECT_SET, |
6d0f6bcf JCPV |
2031 | CONFIG_SYS_MONITOR_BASE, |
2032 | CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, | |
2033 | flash_get_info(CONFIG_SYS_MONITOR_BASE)); | |
be60a902 | 2034 | #endif |
79b4cda0 | 2035 | |
be60a902 | 2036 | /* Environment protection ON by default */ |
5a1aceb0 | 2037 | #ifdef CONFIG_ENV_IS_IN_FLASH |
be60a902 | 2038 | flash_protect (FLAG_PROTECT_SET, |
0e8d1586 JCPV |
2039 | CONFIG_ENV_ADDR, |
2040 | CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, | |
2041 | flash_get_info(CONFIG_ENV_ADDR)); | |
be60a902 | 2042 | #endif |
79b4cda0 | 2043 | |
be60a902 | 2044 | /* Redundant environment protection ON by default */ |
0e8d1586 | 2045 | #ifdef CONFIG_ENV_ADDR_REDUND |
be60a902 | 2046 | flash_protect (FLAG_PROTECT_SET, |
0e8d1586 JCPV |
2047 | CONFIG_ENV_ADDR_REDUND, |
2048 | CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1, | |
2049 | flash_get_info(CONFIG_ENV_ADDR_REDUND)); | |
be60a902 | 2050 | #endif |
c63ad632 | 2051 | |
6d0f6bcf | 2052 | #if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST) |
c63ad632 MF |
2053 | for (i = 0; i < (sizeof(apl) / sizeof(struct apl_s)); i++) { |
2054 | debug("autoprotecting from %08x to %08x\n", | |
2055 | apl[i].start, apl[i].start + apl[i].size - 1); | |
2056 | flash_protect (FLAG_PROTECT_SET, | |
2057 | apl[i].start, | |
2058 | apl[i].start + apl[i].size - 1, | |
2059 | flash_get_info(apl[i].start)); | |
2060 | } | |
2061 | #endif | |
be60a902 | 2062 | return (size); |
5653fc33 | 2063 | } |