2 * Flash NAND memory emulation. Based on "16M x 8 Bit NAND Flash
3 * Memory" datasheet for the KM29U128AT / K9F2808U0A chips from
6 * Copyright (c) 2006 Openedhand Ltd.
9 * Support for additional features based on "MT29F2G16ABCWP 2Gx16"
10 * datasheet from Micron Technology and "NAND02G-B2C" datasheet
11 * from ST Microelectronics.
13 * This code is licensed under the GNU GPL v2.
15 * Contributions after 2012-01-13 are licensed under the terms of the
16 * GNU GPL, version 2 or (at your option) any later version.
21 #include "qemu/osdep.h"
23 #include "hw/qdev-properties.h"
24 #include "hw/block/flash.h"
25 #include "sysemu/block-backend.h"
26 #include "migration/vmstate.h"
27 #include "qapi/error.h"
28 #include "qemu/error-report.h"
29 #include "qemu/module.h"
31 # define NAND_CMD_READ0 0x00
32 # define NAND_CMD_READ1 0x01
33 # define NAND_CMD_READ2 0x50
34 # define NAND_CMD_LPREAD2 0x30
35 # define NAND_CMD_NOSERIALREAD2 0x35
36 # define NAND_CMD_RANDOMREAD1 0x05
37 # define NAND_CMD_RANDOMREAD2 0xe0
38 # define NAND_CMD_READID 0x90
39 # define NAND_CMD_RESET 0xff
40 # define NAND_CMD_PAGEPROGRAM1 0x80
41 # define NAND_CMD_PAGEPROGRAM2 0x10
42 # define NAND_CMD_CACHEPROGRAM2 0x15
43 # define NAND_CMD_BLOCKERASE1 0x60
44 # define NAND_CMD_BLOCKERASE2 0xd0
45 # define NAND_CMD_READSTATUS 0x70
46 # define NAND_CMD_COPYBACKPRG1 0x85
48 # define NAND_IOSTATUS_ERROR (1 << 0)
49 # define NAND_IOSTATUS_PLANE0 (1 << 1)
50 # define NAND_IOSTATUS_PLANE1 (1 << 2)
51 # define NAND_IOSTATUS_PLANE2 (1 << 3)
52 # define NAND_IOSTATUS_PLANE3 (1 << 4)
53 # define NAND_IOSTATUS_READY (1 << 6)
54 # define NAND_IOSTATUS_UNPROTCT (1 << 7)
56 # define MAX_PAGE 0x800
59 typedef struct NANDFlashState NANDFlashState;
60 struct NANDFlashState {
61 DeviceState parent_obj;
63 uint8_t manf_id, chip_id;
64 uint8_t buswidth; /* in BYTES */
66 int page_shift, oob_shift, erase_shift, addr_shift;
71 uint8_t cle, ale, ce, wp, gnd;
73 uint8_t io[MAX_PAGE + MAX_OOB + 0x400];
83 void (*blk_write)(NANDFlashState *s);
84 void (*blk_erase)(NANDFlashState *s);
85 void (*blk_load)(NANDFlashState *s, uint64_t addr, int offset);
87 uint32_t ioaddr_vmstate;
90 #define TYPE_NAND "nand"
93 OBJECT_CHECK(NANDFlashState, (obj), TYPE_NAND)
95 static void mem_and(uint8_t *dest, const uint8_t *src, size_t n)
97 /* Like memcpy() but we logical-AND the data into the destination */
99 for (i = 0; i < n; i++) {
104 # define NAND_NO_AUTOINCR 0x00000001
105 # define NAND_BUSWIDTH_16 0x00000002
106 # define NAND_NO_PADDING 0x00000004
107 # define NAND_CACHEPRG 0x00000008
108 # define NAND_COPYBACK 0x00000010
109 # define NAND_IS_AND 0x00000020
110 # define NAND_4PAGE_ARRAY 0x00000040
111 # define NAND_NO_READRDY 0x00000100
112 # define NAND_SAMSUNG_LP (NAND_NO_PADDING | NAND_COPYBACK)
116 # define PAGE(addr) ((addr) >> ADDR_SHIFT)
117 # define PAGE_START(page) (PAGE(page) * (PAGE_SIZE + OOB_SIZE))
118 # define PAGE_MASK ((1 << ADDR_SHIFT) - 1)
119 # define OOB_SHIFT (PAGE_SHIFT - 5)
120 # define OOB_SIZE (1 << OOB_SHIFT)
121 # define SECTOR(addr) ((addr) >> (9 + ADDR_SHIFT - PAGE_SHIFT))
122 # define SECTOR_OFFSET(addr) ((addr) & ((511 >> PAGE_SHIFT) << 8))
124 # define PAGE_SIZE 256
125 # define PAGE_SHIFT 8
126 # define PAGE_SECTORS 1
127 # define ADDR_SHIFT 8
129 # define PAGE_SIZE 512
130 # define PAGE_SHIFT 9
131 # define PAGE_SECTORS 1
132 # define ADDR_SHIFT 8
134 # define PAGE_SIZE 2048
135 # define PAGE_SHIFT 11
136 # define PAGE_SECTORS 4
137 # define ADDR_SHIFT 16
140 /* Information based on Linux drivers/mtd/nand/nand_ids.c */
141 static const struct {
147 } nand_flash_ids[0x100] = {
148 [0 ... 0xff] = { 0 },
150 [0x6e] = { 1, 8, 8, 4, 0 },
151 [0x64] = { 2, 8, 8, 4, 0 },
152 [0x6b] = { 4, 8, 9, 4, 0 },
153 [0xe8] = { 1, 8, 8, 4, 0 },
154 [0xec] = { 1, 8, 8, 4, 0 },
155 [0xea] = { 2, 8, 8, 4, 0 },
156 [0xd5] = { 4, 8, 9, 4, 0 },
157 [0xe3] = { 4, 8, 9, 4, 0 },
158 [0xe5] = { 4, 8, 9, 4, 0 },
159 [0xd6] = { 8, 8, 9, 4, 0 },
161 [0x39] = { 8, 8, 9, 4, 0 },
162 [0xe6] = { 8, 8, 9, 4, 0 },
163 [0x49] = { 8, 16, 9, 4, NAND_BUSWIDTH_16 },
164 [0x59] = { 8, 16, 9, 4, NAND_BUSWIDTH_16 },
166 [0x33] = { 16, 8, 9, 5, 0 },
167 [0x73] = { 16, 8, 9, 5, 0 },
168 [0x43] = { 16, 16, 9, 5, NAND_BUSWIDTH_16 },
169 [0x53] = { 16, 16, 9, 5, NAND_BUSWIDTH_16 },
171 [0x35] = { 32, 8, 9, 5, 0 },
172 [0x75] = { 32, 8, 9, 5, 0 },
173 [0x45] = { 32, 16, 9, 5, NAND_BUSWIDTH_16 },
174 [0x55] = { 32, 16, 9, 5, NAND_BUSWIDTH_16 },
176 [0x36] = { 64, 8, 9, 5, 0 },
177 [0x76] = { 64, 8, 9, 5, 0 },
178 [0x46] = { 64, 16, 9, 5, NAND_BUSWIDTH_16 },
179 [0x56] = { 64, 16, 9, 5, NAND_BUSWIDTH_16 },
181 [0x78] = { 128, 8, 9, 5, 0 },
182 [0x39] = { 128, 8, 9, 5, 0 },
183 [0x79] = { 128, 8, 9, 5, 0 },
184 [0x72] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 },
185 [0x49] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 },
186 [0x74] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 },
187 [0x59] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 },
189 [0x71] = { 256, 8, 9, 5, 0 },
192 * These are the new chips with large page size. The pagesize and the
193 * erasesize is determined from the extended id bytes
195 # define LP_OPTIONS (NAND_SAMSUNG_LP | NAND_NO_READRDY | NAND_NO_AUTOINCR)
196 # define LP_OPTIONS16 (LP_OPTIONS | NAND_BUSWIDTH_16)
199 [0xa2] = { 64, 8, 0, 0, LP_OPTIONS },
200 [0xf2] = { 64, 8, 0, 0, LP_OPTIONS },
201 [0xb2] = { 64, 16, 0, 0, LP_OPTIONS16 },
202 [0xc2] = { 64, 16, 0, 0, LP_OPTIONS16 },
205 [0xa1] = { 128, 8, 0, 0, LP_OPTIONS },
206 [0xf1] = { 128, 8, 0, 0, LP_OPTIONS },
207 [0xb1] = { 128, 16, 0, 0, LP_OPTIONS16 },
208 [0xc1] = { 128, 16, 0, 0, LP_OPTIONS16 },
211 [0xaa] = { 256, 8, 0, 0, LP_OPTIONS },
212 [0xda] = { 256, 8, 0, 0, LP_OPTIONS },
213 [0xba] = { 256, 16, 0, 0, LP_OPTIONS16 },
214 [0xca] = { 256, 16, 0, 0, LP_OPTIONS16 },
217 [0xac] = { 512, 8, 0, 0, LP_OPTIONS },
218 [0xdc] = { 512, 8, 0, 0, LP_OPTIONS },
219 [0xbc] = { 512, 16, 0, 0, LP_OPTIONS16 },
220 [0xcc] = { 512, 16, 0, 0, LP_OPTIONS16 },
223 [0xa3] = { 1024, 8, 0, 0, LP_OPTIONS },
224 [0xd3] = { 1024, 8, 0, 0, LP_OPTIONS },
225 [0xb3] = { 1024, 16, 0, 0, LP_OPTIONS16 },
226 [0xc3] = { 1024, 16, 0, 0, LP_OPTIONS16 },
229 [0xa5] = { 2048, 8, 0, 0, LP_OPTIONS },
230 [0xd5] = { 2048, 8, 0, 0, LP_OPTIONS },
231 [0xb5] = { 2048, 16, 0, 0, LP_OPTIONS16 },
232 [0xc5] = { 2048, 16, 0, 0, LP_OPTIONS16 },
235 static void nand_reset(DeviceState *dev)
237 NANDFlashState *s = NAND(dev);
238 s->cmd = NAND_CMD_READ0;
243 s->status &= NAND_IOSTATUS_UNPROTCT;
244 s->status |= NAND_IOSTATUS_READY;
247 static inline void nand_pushio_byte(NANDFlashState *s, uint8_t value)
249 s->ioaddr[s->iolen++] = value;
250 for (value = s->buswidth; --value;) {
251 s->ioaddr[s->iolen++] = 0;
255 static void nand_command(NANDFlashState *s)
263 case NAND_CMD_READID:
266 nand_pushio_byte(s, s->manf_id);
267 nand_pushio_byte(s, s->chip_id);
268 nand_pushio_byte(s, 'Q'); /* Don't-care byte (often 0xa5) */
269 if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
270 /* Page Size, Block Size, Spare Size; bit 6 indicates
271 * 8 vs 16 bit width NAND.
273 nand_pushio_byte(s, (s->buswidth == 2) ? 0x55 : 0x15);
275 nand_pushio_byte(s, 0xc0); /* Multi-plane */
279 case NAND_CMD_RANDOMREAD2:
280 case NAND_CMD_NOSERIALREAD2:
281 if (!(nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP))
283 offset = s->addr & ((1 << s->addr_shift) - 1);
284 s->blk_load(s, s->addr, offset);
286 s->iolen = (1 << s->page_shift) - offset;
288 s->iolen = (1 << s->page_shift) + (1 << s->oob_shift) - offset;
292 nand_reset(DEVICE(s));
295 case NAND_CMD_PAGEPROGRAM1:
300 case NAND_CMD_PAGEPROGRAM2:
306 case NAND_CMD_BLOCKERASE1:
309 case NAND_CMD_BLOCKERASE2:
310 s->addr &= (1ull << s->addrlen * 8) - 1;
311 s->addr <<= nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP ?
319 case NAND_CMD_READSTATUS:
322 nand_pushio_byte(s, s->status);
326 printf("%s: Unknown NAND command 0x%02x\n", __func__, s->cmd);
330 static int nand_pre_save(void *opaque)
332 NANDFlashState *s = NAND(opaque);
334 s->ioaddr_vmstate = s->ioaddr - s->io;
339 static int nand_post_load(void *opaque, int version_id)
341 NANDFlashState *s = NAND(opaque);
343 if (s->ioaddr_vmstate > sizeof(s->io)) {
346 s->ioaddr = s->io + s->ioaddr_vmstate;
351 static const VMStateDescription vmstate_nand = {
354 .minimum_version_id = 1,
355 .pre_save = nand_pre_save,
356 .post_load = nand_post_load,
357 .fields = (VMStateField[]) {
358 VMSTATE_UINT8(cle, NANDFlashState),
359 VMSTATE_UINT8(ale, NANDFlashState),
360 VMSTATE_UINT8(ce, NANDFlashState),
361 VMSTATE_UINT8(wp, NANDFlashState),
362 VMSTATE_UINT8(gnd, NANDFlashState),
363 VMSTATE_BUFFER(io, NANDFlashState),
364 VMSTATE_UINT32(ioaddr_vmstate, NANDFlashState),
365 VMSTATE_INT32(iolen, NANDFlashState),
366 VMSTATE_UINT32(cmd, NANDFlashState),
367 VMSTATE_UINT64(addr, NANDFlashState),
368 VMSTATE_INT32(addrlen, NANDFlashState),
369 VMSTATE_INT32(status, NANDFlashState),
370 VMSTATE_INT32(offset, NANDFlashState),
371 /* XXX: do we want to save s->storage too? */
372 VMSTATE_END_OF_LIST()
376 static void nand_realize(DeviceState *dev, Error **errp)
379 NANDFlashState *s = NAND(dev);
383 s->buswidth = nand_flash_ids[s->chip_id].width >> 3;
384 s->size = nand_flash_ids[s->chip_id].size << 20;
385 if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
389 s->page_shift = nand_flash_ids[s->chip_id].page_shift;
390 s->erase_shift = nand_flash_ids[s->chip_id].erase_shift;
393 switch (1 << s->page_shift) {
404 error_setg(errp, "Unsupported NAND block size %#x",
409 pagesize = 1 << s->oob_shift;
412 if (blk_is_read_only(s->blk)) {
413 error_setg(errp, "Can't use a read-only drive");
416 ret = blk_set_perm(s->blk, BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE,
421 if (blk_getlength(s->blk) >=
422 (s->pages << s->page_shift) + (s->pages << s->oob_shift)) {
427 pagesize += 1 << s->page_shift;
430 s->storage = (uint8_t *) memset(g_malloc(s->pages * pagesize),
431 0xff, s->pages * pagesize);
433 /* Give s->ioaddr a sane value in case we save state before it is used. */
437 static Property nand_properties[] = {
438 DEFINE_PROP_UINT8("manufacturer_id", NANDFlashState, manf_id, 0),
439 DEFINE_PROP_UINT8("chip_id", NANDFlashState, chip_id, 0),
440 DEFINE_PROP_DRIVE("drive", NANDFlashState, blk),
441 DEFINE_PROP_END_OF_LIST(),
444 static void nand_class_init(ObjectClass *klass, void *data)
446 DeviceClass *dc = DEVICE_CLASS(klass);
448 dc->realize = nand_realize;
449 dc->reset = nand_reset;
450 dc->vmsd = &vmstate_nand;
451 dc->props = nand_properties;
454 static const TypeInfo nand_info = {
456 .parent = TYPE_DEVICE,
457 .instance_size = sizeof(NANDFlashState),
458 .class_init = nand_class_init,
461 static void nand_register_types(void)
463 type_register_static(&nand_info);
467 * Chip inputs are CLE, ALE, CE, WP, GND and eight I/O pins. Chip
468 * outputs are R/B and eight I/O pins.
470 * CE, WP and R/B are active low.
472 void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale,
473 uint8_t ce, uint8_t wp, uint8_t gnd)
475 NANDFlashState *s = NAND(dev);
483 s->status |= NAND_IOSTATUS_UNPROTCT;
485 s->status &= ~NAND_IOSTATUS_UNPROTCT;
489 void nand_getpins(DeviceState *dev, int *rb)
494 void nand_setio(DeviceState *dev, uint32_t value)
497 NANDFlashState *s = NAND(dev);
499 if (!s->ce && s->cle) {
500 if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
501 if (s->cmd == NAND_CMD_READ0 && value == NAND_CMD_LPREAD2)
503 if (value == NAND_CMD_RANDOMREAD1) {
504 s->addr &= ~((1 << s->addr_shift) - 1);
509 if (value == NAND_CMD_READ0) {
511 } else if (value == NAND_CMD_READ1) {
513 value = NAND_CMD_READ0;
514 } else if (value == NAND_CMD_READ2) {
515 s->offset = 1 << s->page_shift;
516 value = NAND_CMD_READ0;
521 if (s->cmd == NAND_CMD_READSTATUS ||
522 s->cmd == NAND_CMD_PAGEPROGRAM2 ||
523 s->cmd == NAND_CMD_BLOCKERASE1 ||
524 s->cmd == NAND_CMD_BLOCKERASE2 ||
525 s->cmd == NAND_CMD_NOSERIALREAD2 ||
526 s->cmd == NAND_CMD_RANDOMREAD2 ||
527 s->cmd == NAND_CMD_RESET) {
531 if (s->cmd != NAND_CMD_RANDOMREAD2) {
537 unsigned int shift = s->addrlen * 8;
538 uint64_t mask = ~(0xffull << shift);
539 uint64_t v = (uint64_t)value << shift;
541 s->addr = (s->addr & mask) | v;
544 switch (s->addrlen) {
546 if (s->cmd == NAND_CMD_READID) {
550 case 2: /* fix cache address as a byte address */
551 s->addr <<= (s->buswidth - 1);
554 if (!(nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
555 (s->cmd == NAND_CMD_READ0 ||
556 s->cmd == NAND_CMD_PAGEPROGRAM1)) {
561 if ((nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
562 nand_flash_ids[s->chip_id].size < 256 && /* 1Gb or less */
563 (s->cmd == NAND_CMD_READ0 ||
564 s->cmd == NAND_CMD_PAGEPROGRAM1)) {
569 if ((nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
570 nand_flash_ids[s->chip_id].size >= 256 && /* 2Gb or more */
571 (s->cmd == NAND_CMD_READ0 ||
572 s->cmd == NAND_CMD_PAGEPROGRAM1)) {
581 if (!s->cle && !s->ale && s->cmd == NAND_CMD_PAGEPROGRAM1) {
582 if (s->iolen < (1 << s->page_shift) + (1 << s->oob_shift)) {
583 for (i = s->buswidth; i--; value >>= 8) {
584 s->io[s->iolen ++] = (uint8_t) (value & 0xff);
587 } else if (!s->cle && !s->ale && s->cmd == NAND_CMD_COPYBACKPRG1) {
588 if ((s->addr & ((1 << s->addr_shift) - 1)) <
589 (1 << s->page_shift) + (1 << s->oob_shift)) {
590 for (i = s->buswidth; i--; s->addr++, value >>= 8) {
591 s->io[s->iolen + (s->addr & ((1 << s->addr_shift) - 1))] =
592 (uint8_t) (value & 0xff);
598 uint32_t nand_getio(DeviceState *dev)
602 NANDFlashState *s = NAND(dev);
604 /* Allow sequential reading */
605 if (!s->iolen && s->cmd == NAND_CMD_READ0) {
606 offset = (int) (s->addr & ((1 << s->addr_shift) - 1)) + s->offset;
609 s->blk_load(s, s->addr, offset);
611 s->iolen = (1 << s->page_shift) - offset;
613 s->iolen = (1 << s->page_shift) + (1 << s->oob_shift) - offset;
616 if (s->ce || s->iolen <= 0) {
620 for (offset = s->buswidth; offset--;) {
621 x |= s->ioaddr[offset] << (offset << 3);
623 /* after receiving READ STATUS command all subsequent reads will
624 * return the status register value until another command is issued
626 if (s->cmd != NAND_CMD_READSTATUS) {
627 s->addr += s->buswidth;
628 s->ioaddr += s->buswidth;
629 s->iolen -= s->buswidth;
634 uint32_t nand_getbuswidth(DeviceState *dev)
636 NANDFlashState *s = (NANDFlashState *) dev;
637 return s->buswidth << 3;
640 DeviceState *nand_init(BlockBackend *blk, int manf_id, int chip_id)
644 if (nand_flash_ids[chip_id].size == 0) {
645 hw_error("%s: Unsupported NAND chip ID.\n", __func__);
647 dev = DEVICE(object_new(TYPE_NAND));
648 qdev_prop_set_uint8(dev, "manufacturer_id", manf_id);
649 qdev_prop_set_uint8(dev, "chip_id", chip_id);
651 qdev_prop_set_drive(dev, "drive", blk, &error_fatal);
654 qdev_init_nofail(dev);
658 type_init(nand_register_types)
662 /* Program a single page */
663 static void glue(nand_blk_write_, PAGE_SIZE)(NANDFlashState *s)
665 uint64_t off, page, sector, soff;
666 uint8_t iobuf[(PAGE_SECTORS + 2) * 0x200];
667 if (PAGE(s->addr) >= s->pages)
671 mem_and(s->storage + PAGE_START(s->addr) + (s->addr & PAGE_MASK) +
672 s->offset, s->io, s->iolen);
673 } else if (s->mem_oob) {
674 sector = SECTOR(s->addr);
675 off = (s->addr & PAGE_MASK) + s->offset;
676 soff = SECTOR_OFFSET(s->addr);
677 if (blk_pread(s->blk, sector << BDRV_SECTOR_BITS, iobuf,
678 PAGE_SECTORS << BDRV_SECTOR_BITS) < 0) {
679 printf("%s: read error in sector %" PRIu64 "\n", __func__, sector);
683 mem_and(iobuf + (soff | off), s->io, MIN(s->iolen, PAGE_SIZE - off));
684 if (off + s->iolen > PAGE_SIZE) {
685 page = PAGE(s->addr);
686 mem_and(s->storage + (page << OOB_SHIFT), s->io + PAGE_SIZE - off,
687 MIN(OOB_SIZE, off + s->iolen - PAGE_SIZE));
690 if (blk_pwrite(s->blk, sector << BDRV_SECTOR_BITS, iobuf,
691 PAGE_SECTORS << BDRV_SECTOR_BITS, 0) < 0) {
692 printf("%s: write error in sector %" PRIu64 "\n", __func__, sector);
695 off = PAGE_START(s->addr) + (s->addr & PAGE_MASK) + s->offset;
698 if (blk_pread(s->blk, sector << BDRV_SECTOR_BITS, iobuf,
699 (PAGE_SECTORS + 2) << BDRV_SECTOR_BITS) < 0) {
700 printf("%s: read error in sector %" PRIu64 "\n", __func__, sector);
704 mem_and(iobuf + soff, s->io, s->iolen);
706 if (blk_pwrite(s->blk, sector << BDRV_SECTOR_BITS, iobuf,
707 (PAGE_SECTORS + 2) << BDRV_SECTOR_BITS, 0) < 0) {
708 printf("%s: write error in sector %" PRIu64 "\n", __func__, sector);
714 /* Erase a single block */
715 static void glue(nand_blk_erase_, PAGE_SIZE)(NANDFlashState *s)
717 uint64_t i, page, addr;
718 uint8_t iobuf[0x200] = { [0 ... 0x1ff] = 0xff, };
719 addr = s->addr & ~((1 << (ADDR_SHIFT + s->erase_shift)) - 1);
721 if (PAGE(addr) >= s->pages) {
726 memset(s->storage + PAGE_START(addr),
727 0xff, (PAGE_SIZE + OOB_SIZE) << s->erase_shift);
728 } else if (s->mem_oob) {
729 memset(s->storage + (PAGE(addr) << OOB_SHIFT),
730 0xff, OOB_SIZE << s->erase_shift);
732 page = SECTOR(addr + (1 << (ADDR_SHIFT + s->erase_shift)));
733 for (; i < page; i ++)
734 if (blk_pwrite(s->blk, i << BDRV_SECTOR_BITS, iobuf,
735 BDRV_SECTOR_SIZE, 0) < 0) {
736 printf("%s: write error in sector %" PRIu64 "\n", __func__, i);
739 addr = PAGE_START(addr);
741 if (blk_pread(s->blk, page << BDRV_SECTOR_BITS, iobuf,
742 BDRV_SECTOR_SIZE) < 0) {
743 printf("%s: read error in sector %" PRIu64 "\n", __func__, page);
745 memset(iobuf + (addr & 0x1ff), 0xff, (~addr & 0x1ff) + 1);
746 if (blk_pwrite(s->blk, page << BDRV_SECTOR_BITS, iobuf,
747 BDRV_SECTOR_SIZE, 0) < 0) {
748 printf("%s: write error in sector %" PRIu64 "\n", __func__, page);
751 memset(iobuf, 0xff, 0x200);
752 i = (addr & ~0x1ff) + 0x200;
753 for (addr += ((PAGE_SIZE + OOB_SIZE) << s->erase_shift) - 0x200;
754 i < addr; i += 0x200) {
755 if (blk_pwrite(s->blk, i, iobuf, BDRV_SECTOR_SIZE, 0) < 0) {
756 printf("%s: write error in sector %" PRIu64 "\n",
762 if (blk_pread(s->blk, page << BDRV_SECTOR_BITS, iobuf,
763 BDRV_SECTOR_SIZE) < 0) {
764 printf("%s: read error in sector %" PRIu64 "\n", __func__, page);
766 memset(iobuf, 0xff, ((addr - 1) & 0x1ff) + 1);
767 if (blk_pwrite(s->blk, page << BDRV_SECTOR_BITS, iobuf,
768 BDRV_SECTOR_SIZE, 0) < 0) {
769 printf("%s: write error in sector %" PRIu64 "\n", __func__, page);
774 static void glue(nand_blk_load_, PAGE_SIZE)(NANDFlashState *s,
775 uint64_t addr, int offset)
777 if (PAGE(addr) >= s->pages) {
783 if (blk_pread(s->blk, SECTOR(addr) << BDRV_SECTOR_BITS, s->io,
784 PAGE_SECTORS << BDRV_SECTOR_BITS) < 0) {
785 printf("%s: read error in sector %" PRIu64 "\n",
786 __func__, SECTOR(addr));
788 memcpy(s->io + SECTOR_OFFSET(s->addr) + PAGE_SIZE,
789 s->storage + (PAGE(s->addr) << OOB_SHIFT),
791 s->ioaddr = s->io + SECTOR_OFFSET(s->addr) + offset;
793 if (blk_pread(s->blk, PAGE_START(addr), s->io,
794 (PAGE_SECTORS + 2) << BDRV_SECTOR_BITS) < 0) {
795 printf("%s: read error in sector %" PRIu64 "\n",
796 __func__, PAGE_START(addr) >> 9);
798 s->ioaddr = s->io + (PAGE_START(addr) & 0x1ff) + offset;
801 memcpy(s->io, s->storage + PAGE_START(s->addr) +
802 offset, PAGE_SIZE + OOB_SIZE - offset);
807 static void glue(nand_init_, PAGE_SIZE)(NANDFlashState *s)
809 s->oob_shift = PAGE_SHIFT - 5;
810 s->pages = s->size >> PAGE_SHIFT;
811 s->addr_shift = ADDR_SHIFT;
813 s->blk_erase = glue(nand_blk_erase_, PAGE_SIZE);
814 s->blk_write = glue(nand_blk_write_, PAGE_SIZE);
815 s->blk_load = glue(nand_blk_load_, PAGE_SIZE);