Revision 95d1f3ed
| b/hw/pflash_cfi02.c | ||
|---|---|---|
| 208 | 208 |
|
| 209 | 209 |
/* WARNING: when the memory area is in ROMD mode, the offset is a |
| 210 | 210 |
ram offset, not a physical address */ |
| 211 |
cmd = value; |
|
| 212 |
if (pfl->cmd != 0xA0 && cmd == 0xF0) {
|
|
| 213 |
#if 0 |
|
| 214 |
DPRINTF("%s: flash reset asked (%02x %02x)\n",
|
|
| 215 |
__func__, pfl->cmd, cmd); |
|
| 216 |
#endif |
|
| 217 |
goto reset_flash; |
|
| 218 |
} |
|
| 219 |
DPRINTF("%s: offset " TARGET_FMT_lx " %08x %d %d\n", __func__,
|
|
| 220 |
offset, value, width, pfl->wcycle); |
|
| 211 | 221 |
if (pfl->wcycle == 0) |
| 212 | 222 |
offset -= (target_ulong)(long)pfl->storage; |
| 213 | 223 |
else |
| 214 | 224 |
offset -= pfl->base; |
| 215 | 225 |
|
| 216 |
cmd = value; |
|
| 217 | 226 |
DPRINTF("%s: offset " TARGET_FMT_lx " %08x %d\n", __func__,
|
| 218 | 227 |
offset, value, width); |
| 219 |
if (pfl->cmd != 0xA0 && cmd == 0xF0) {
|
|
| 220 |
DPRINTF("%s: flash reset asked (%02x %02x)\n",
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|
| 221 |
__func__, pfl->cmd, cmd); |
|
| 222 |
goto reset_flash; |
|
| 223 |
} |
|
| 224 | 228 |
/* Set the device in I/O access mode */ |
| 225 | 229 |
cpu_register_physical_memory(pfl->base, pfl->total_len, pfl->fl_mem); |
| 226 | 230 |
boff = offset & (pfl->sector_len - 1); |
| ... | ... | |
| 416 | 420 |
|
| 417 | 421 |
/* Reset flash */ |
| 418 | 422 |
reset_flash: |
| 419 |
if (pfl->wcycle != 0) {
|
|
| 420 |
cpu_register_physical_memory(pfl->base, pfl->total_len, |
|
| 421 |
pfl->off | IO_MEM_ROMD | pfl->fl_mem); |
|
| 422 |
} |
|
| 423 |
cpu_register_physical_memory(pfl->base, pfl->total_len, |
|
| 424 |
pfl->off | IO_MEM_ROMD | pfl->fl_mem); |
|
| 423 | 425 |
pfl->bypass = 0; |
| 424 | 426 |
pfl->wcycle = 0; |
| 425 | 427 |
pfl->cmd = 0; |
| ... | ... | |
| 530 | 532 |
|
| 531 | 533 |
total_len = sector_len * nb_blocs; |
| 532 | 534 |
/* XXX: to be fixed */ |
| 535 |
#if 0 |
|
| 533 | 536 |
if (total_len != (8 * 1024 * 1024) && total_len != (16 * 1024 * 1024) && |
| 534 | 537 |
total_len != (32 * 1024 * 1024) && total_len != (64 * 1024 * 1024)) |
| 535 | 538 |
return NULL; |
| 539 |
#endif |
|
| 536 | 540 |
pfl = qemu_mallocz(sizeof(pflash_t)); |
| 537 | 541 |
if (pfl == NULL) |
| 538 | 542 |
return NULL; |
| 539 | 543 |
pfl->storage = phys_ram_base + off; |
| 540 |
pfl->fl_mem = cpu_register_io_memory(0, pflash_read_ops, pflash_write_ops, pfl); |
|
| 544 |
pfl->fl_mem = cpu_register_io_memory(0, pflash_read_ops, pflash_write_ops, |
|
| 545 |
pfl); |
|
| 541 | 546 |
pfl->off = off; |
| 542 | 547 |
cpu_register_physical_memory(base, total_len, |
| 543 | 548 |
off | pfl->fl_mem | IO_MEM_ROMD); |
| ... | ... | |
| 613 | 618 |
pfl->cfi_table[0x28] = 0x02; |
| 614 | 619 |
pfl->cfi_table[0x29] = 0x00; |
| 615 | 620 |
/* Max number of bytes in multi-bytes write */ |
| 616 |
pfl->cfi_table[0x2A] = 0x05; |
|
| 621 |
/* XXX: disable buffered write as it's not supported */ |
|
| 622 |
// pfl->cfi_table[0x2A] = 0x05; |
|
| 623 |
pfl->cfi_table[0x2A] = 0x00; |
|
| 617 | 624 |
pfl->cfi_table[0x2B] = 0x00; |
| 618 | 625 |
/* Number of erase block regions (uniform) */ |
| 619 | 626 |
pfl->cfi_table[0x2C] = 0x01; |
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