* from ST Microelectronics.
*
* This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
*/
#ifndef NAND_IO
# include "flash.h"
# include "blockdev.h"
# include "sysbus.h"
+#include "qemu-error.h"
# define NAND_CMD_READ0 0x00
# define NAND_CMD_READ1 0x01
nand_init_2048(s);
break;
default:
- hw_error("%s: Unsupported NAND block size.\n", __func__);
+ error_report("Unsupported NAND block size");
+ return -1;
}
pagesize = 1 << s->oob_shift;
s->mem_oob = 1;
- if (s->bdrv && bdrv_getlength(s->bdrv) >=
- (s->pages << s->page_shift) + (s->pages << s->oob_shift)) {
- pagesize = 0;
- s->mem_oob = 0;
- }
-
- if (!s->bdrv) {
+ if (s->bdrv) {
+ if (bdrv_is_read_only(s->bdrv)) {
+ error_report("Can't use a read-only drive");
+ return -1;
+ }
+ if (bdrv_getlength(s->bdrv) >=
+ (s->pages << s->page_shift) + (s->pages << s->oob_shift)) {
+ pagesize = 0;
+ s->mem_oob = 0;
+ }
+ } else {
pagesize += 1 << s->page_shift;
}
if (pagesize) {
return 0;
}
-static SysBusDeviceInfo nand_info = {
- .init = nand_device_init,
- .qdev.name = "nand",
- .qdev.size = sizeof(NANDFlashState),
- .qdev.reset = nand_reset,
- .qdev.vmsd = &vmstate_nand,
- .qdev.props = (Property[]) {
- DEFINE_PROP_UINT8("manufacturer_id", NANDFlashState, manf_id, 0),
- DEFINE_PROP_UINT8("chip_id", NANDFlashState, chip_id, 0),
- DEFINE_PROP_DRIVE("drive", NANDFlashState, bdrv),
- DEFINE_PROP_END_OF_LIST()
- }
+static Property nand_properties[] = {
+ DEFINE_PROP_UINT8("manufacturer_id", NANDFlashState, manf_id, 0),
+ DEFINE_PROP_UINT8("chip_id", NANDFlashState, chip_id, 0),
+ DEFINE_PROP_DRIVE("drive", NANDFlashState, bdrv),
+ DEFINE_PROP_END_OF_LIST(),
};
-static void nand_create_device(void)
+static void nand_class_init(ObjectClass *klass, void *data)
{
- sysbus_register_withprop(&nand_info);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = nand_device_init;
+ dc->reset = nand_reset;
+ dc->vmsd = &vmstate_nand;
+ dc->props = nand_properties;
+}
+
+static TypeInfo nand_info = {
+ .name = "nand",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(NANDFlashState),
+ .class_init = nand_class_init,
+};
+
+static void nand_register_types(void)
+{
+ type_register_static(&nand_info);
}
/*
return dev;
}
-device_init(nand_create_device)
+type_init(nand_register_types)
#else
sector = SECTOR(s->addr);
off = (s->addr & PAGE_MASK) + s->offset;
soff = SECTOR_OFFSET(s->addr);
- if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS) == -1) {
+ if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS) < 0) {
printf("%s: read error in sector %" PRIu64 "\n", __func__, sector);
return;
}
MIN(OOB_SIZE, off + s->iolen - PAGE_SIZE));
}
- if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS) == -1)
+ if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS) < 0) {
printf("%s: write error in sector %" PRIu64 "\n", __func__, sector);
+ }
} else {
off = PAGE_START(s->addr) + (s->addr & PAGE_MASK) + s->offset;
sector = off >> 9;
soff = off & 0x1ff;
- if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) == -1) {
+ if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) < 0) {
printf("%s: read error in sector %" PRIu64 "\n", __func__, sector);
return;
}
mem_and(iobuf + soff, s->io, s->iolen);
- if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) == -1)
+ if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) < 0) {
printf("%s: write error in sector %" PRIu64 "\n", __func__, sector);
+ }
}
s->offset = 0;
}
i = SECTOR(addr);
page = SECTOR(addr + (ADDR_SHIFT + s->erase_shift));
for (; i < page; i ++)
- if (bdrv_write(s->bdrv, i, iobuf, 1) == -1)
+ if (bdrv_write(s->bdrv, i, iobuf, 1) < 0) {
printf("%s: write error in sector %" PRIu64 "\n", __func__, i);
+ }
} else {
addr = PAGE_START(addr);
page = addr >> 9;
- if (bdrv_read(s->bdrv, page, iobuf, 1) == -1)
+ if (bdrv_read(s->bdrv, page, iobuf, 1) < 0) {
printf("%s: read error in sector %" PRIu64 "\n", __func__, page);
+ }
memset(iobuf + (addr & 0x1ff), 0xff, (~addr & 0x1ff) + 1);
- if (bdrv_write(s->bdrv, page, iobuf, 1) == -1)
+ if (bdrv_write(s->bdrv, page, iobuf, 1) < 0) {
printf("%s: write error in sector %" PRIu64 "\n", __func__, page);
+ }
memset(iobuf, 0xff, 0x200);
i = (addr & ~0x1ff) + 0x200;
for (addr += ((PAGE_SIZE + OOB_SIZE) << s->erase_shift) - 0x200;
i < addr; i += 0x200)
- if (bdrv_write(s->bdrv, i >> 9, iobuf, 1) == -1)
+ if (bdrv_write(s->bdrv, i >> 9, iobuf, 1) < 0) {
printf("%s: write error in sector %" PRIu64 "\n",
__func__, i >> 9);
+ }
page = i >> 9;
- if (bdrv_read(s->bdrv, page, iobuf, 1) == -1)
+ if (bdrv_read(s->bdrv, page, iobuf, 1) < 0) {
printf("%s: read error in sector %" PRIu64 "\n", __func__, page);
+ }
memset(iobuf, 0xff, ((addr - 1) & 0x1ff) + 1);
- if (bdrv_write(s->bdrv, page, iobuf, 1) == -1)
+ if (bdrv_write(s->bdrv, page, iobuf, 1) < 0) {
printf("%s: write error in sector %" PRIu64 "\n", __func__, page);
+ }
}
}
if (s->bdrv) {
if (s->mem_oob) {
- if (bdrv_read(s->bdrv, SECTOR(addr), s->io, PAGE_SECTORS) == -1)
+ if (bdrv_read(s->bdrv, SECTOR(addr), s->io, PAGE_SECTORS) < 0) {
printf("%s: read error in sector %" PRIu64 "\n",
__func__, SECTOR(addr));
+ }
memcpy(s->io + SECTOR_OFFSET(s->addr) + PAGE_SIZE,
s->storage + (PAGE(s->addr) << OOB_SHIFT),
OOB_SIZE);
s->ioaddr = s->io + SECTOR_OFFSET(s->addr) + offset;
} else {
if (bdrv_read(s->bdrv, PAGE_START(addr) >> 9,
- s->io, (PAGE_SECTORS + 2)) == -1)
+ s->io, (PAGE_SECTORS + 2)) < 0) {
printf("%s: read error in sector %" PRIu64 "\n",
__func__, PAGE_START(addr) >> 9);
+ }
s->ioaddr = s->io + (PAGE_START(addr) & 0x1ff) + offset;
}
} else {