Revision b4bf0a9a hw/pflash_cfi01.c
| b/hw/pflash_cfi01.c | ||
|---|---|---|
| 72 | 72 |
uint8_t cfi_len; |
| 73 | 73 |
uint8_t cfi_table[0x52]; |
| 74 | 74 |
target_phys_addr_t counter; |
| 75 |
unsigned int writeblock_size; |
|
| 75 | 76 |
QEMUTimer *timer; |
| 76 | 77 |
ram_addr_t off; |
| 77 | 78 |
int fl_mem; |
| ... | ... | |
| 206 | 207 |
switch (width) {
|
| 207 | 208 |
case 1: |
| 208 | 209 |
p[offset] = value; |
| 209 |
pflash_update(pfl, offset, 1); |
|
| 210 | 210 |
break; |
| 211 | 211 |
case 2: |
| 212 | 212 |
#if defined(TARGET_WORDS_BIGENDIAN) |
| ... | ... | |
| 216 | 216 |
p[offset] = value; |
| 217 | 217 |
p[offset + 1] = value >> 8; |
| 218 | 218 |
#endif |
| 219 |
pflash_update(pfl, offset, 2); |
|
| 220 | 219 |
break; |
| 221 | 220 |
case 4: |
| 222 | 221 |
#if defined(TARGET_WORDS_BIGENDIAN) |
| ... | ... | |
| 230 | 229 |
p[offset + 2] = value >> 16; |
| 231 | 230 |
p[offset + 3] = value >> 24; |
| 232 | 231 |
#endif |
| 233 |
pflash_update(pfl, offset, 4); |
|
| 234 | 232 |
break; |
| 235 | 233 |
} |
| 236 | 234 |
|
| ... | ... | |
| 307 | 305 |
case 0x40: /* Single Byte Program */ |
| 308 | 306 |
DPRINTF("%s: Single Byte Program\n", __func__);
|
| 309 | 307 |
pflash_data_write(pfl, offset, value, width); |
| 308 |
pflash_update(pfl, offset, width); |
|
| 310 | 309 |
pfl->status |= 0x80; /* Ready! */ |
| 311 | 310 |
pfl->wcycle = 0; |
| 312 | 311 |
break; |
| ... | ... | |
| 359 | 358 |
pfl->status |= 0x80; |
| 360 | 359 |
|
| 361 | 360 |
if (!pfl->counter) {
|
| 361 |
target_phys_addr_t mask = pfl->writeblock_size - 1; |
|
| 362 |
mask = ~mask; |
|
| 363 |
|
|
| 362 | 364 |
DPRINTF("%s: block write finished\n", __func__);
|
| 363 | 365 |
pfl->wcycle++; |
| 366 |
/* Flush the entire write buffer onto backing storage. */ |
|
| 367 |
pflash_update(pfl, offset & mask, pfl->writeblock_size); |
|
| 364 | 368 |
} |
| 365 | 369 |
|
| 366 | 370 |
pfl->counter--; |
| ... | ... | |
| 606 | 610 |
} else {
|
| 607 | 611 |
pfl->cfi_table[0x2A] = 0x0B; |
| 608 | 612 |
} |
| 613 |
pfl->writeblock_size = 1 << pfl->cfi_table[0x2A]; |
|
| 614 |
|
|
| 609 | 615 |
pfl->cfi_table[0x2B] = 0x00; |
| 610 | 616 |
/* Number of erase block regions (uniform) */ |
| 611 | 617 |
pfl->cfi_table[0x2C] = 0x01; |
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