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NAND: Calculate size of bb devices 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2008-09-03 14:53:26 +02:00
parent f118d1a103
commit 2f6ccbb9f8
1 changed files with 24 additions and 2 deletions
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26
commands/nand.c
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@ -142,11 +142,33 @@ static int nand_bb_close(struct device_d *dev, struct filep *f)
return 0;
}
static int nand_bb_calc_size(struct nand_bb *bb)
{
ulong pos = 0;
int ret;
while (pos < bb->physdev->size) {
ret = dev_ioctl(bb->physdev, MEMGETBADBLOCK, (void *)pos);
if (ret < 0)
return ret;
if (!ret)
bb->device.size += bb->info.erasesize;
pos += bb->info.erasesize;
}
return 0;
}
static int nand_bb_probe(struct device_d *dev)
{
struct nand_bb *bb = dev->priv;
int ret;
return dev_ioctl(bb->physdev, MEMGETINFO, &bb->info);
ret = dev_ioctl(bb->physdev, MEMGETINFO, &bb->info);
if (ret)
return ret;
return nand_bb_calc_size(bb);
}
static int nand_bb_remove(struct device_d *dev)
@ -191,7 +213,7 @@ struct device_d *dev_add_bb_dev(struct device_d *dev, const char *name)
sprintf(bb->device.id, "%s.bb", dev->id);
strcpy(bb->device.name, "nand_bb");
bb->device.priv = bb;
bb->device.size = dev->size; /* FIXME: Bad blocks? */
bb->device.size = 0;
bb->device.type = DEVICE_TYPE_NAND_BB;
bb->physdev = dev;