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block: ide: Fix block read/write with driver model

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This converts the IDE driver to driver model so that block read and
write are fully functional.

Fixes: b7c6baef ("x86: Convert MMC to driver model")
Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Bin Meng 2017-09-10 05:12:51 -07:00 committed by Tom Rini
parent eb81b1a4d3
commit 68e6f221ed
3 changed files with 75 additions and 1 deletions
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2
drivers/block/blk-uclass.c
View file

@ -26,7 +26,7 @@ static const char *if_typename_str[IF_TYPE_COUNT] = {
};
static enum uclass_id if_type_uclass_id[IF_TYPE_COUNT] = {
[IF_TYPE_IDE] = UCLASS_INVALID,
[IF_TYPE_IDE] = UCLASS_IDE,
[IF_TYPE_SCSI] = UCLASS_SCSI,
[IF_TYPE_ATAPI] = UCLASS_INVALID,
[IF_TYPE_USB] = UCLASS_MASS_STORAGE,

73
drivers/block/ide.c
View file

@ -827,12 +827,20 @@ void ide_init(void)
ide_ident(&ide_dev_desc[i]);
dev_print(&ide_dev_desc[i]);
#ifndef CONFIG_BLK
if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
/* initialize partition type */
part_init(&ide_dev_desc[i]);
}
#endif
}
WATCHDOG_RESET();
#ifdef CONFIG_BLK
struct udevice *dev;
uclass_first_device(UCLASS_IDE, &dev);
#endif
}
/* We only need to swap data if we are running on a big endian cpu. */
@ -1147,6 +1155,26 @@ int ide_device_present(int dev)
#endif
#ifdef CONFIG_BLK
static int ide_blk_probe(struct udevice *udev)
{
struct blk_desc *desc = dev_get_uclass_platdata(udev);
/* fill in device vendor/product/rev strings */
strncpy(desc->vendor, ide_dev_desc[desc->devnum].vendor,
BLK_VEN_SIZE);
desc->vendor[BLK_VEN_SIZE] = '\0';
strncpy(desc->product, ide_dev_desc[desc->devnum].product,
BLK_PRD_SIZE);
desc->product[BLK_PRD_SIZE] = '\0';
strncpy(desc->revision, ide_dev_desc[desc->devnum].revision,
BLK_REV_SIZE);
desc->revision[BLK_REV_SIZE] = '\0';
part_init(desc);
return 0;
}
static const struct blk_ops ide_blk_ops = {
.read = ide_read,
.write = ide_write,
@ -1156,6 +1184,51 @@ U_BOOT_DRIVER(ide_blk) = {
.name = "ide_blk",
.id = UCLASS_BLK,
.ops = &ide_blk_ops,
.probe = ide_blk_probe,
};
static int ide_probe(struct udevice *udev)
{
struct udevice *blk_dev;
char name[20];
int blksz;
lbaint_t size;
int i;
int ret;
for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; i++) {
if (ide_dev_desc[i].type != DEV_TYPE_UNKNOWN) {
sprintf(name, "blk#%d", i);
blksz = ide_dev_desc[i].blksz;
size = blksz * ide_dev_desc[i].lba;
ret = blk_create_devicef(udev, "ide_blk", name,
IF_TYPE_IDE, i,
blksz, size, &blk_dev);
if (ret)
return ret;
}
}
return 0;
}
U_BOOT_DRIVER(ide) = {
.name = "ide",
.id = UCLASS_IDE,
.probe = ide_probe,
};
struct pci_device_id ide_supported[] = {
{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_IDE << 8, 0xffff00) },
{ }
};
U_BOOT_PCI_DEVICE(ide, ide_supported);
UCLASS_DRIVER(ide) = {
.name = "ide",
.id = UCLASS_IDE,
};
#else
U_BOOT_LEGACY_BLK(ide) = {

1
include/dm/uclass-id.h
View file

@ -41,6 +41,7 @@ enum uclass_id {
UCLASS_I2C_EEPROM, /* I2C EEPROM device */
UCLASS_I2C_GENERIC, /* Generic I2C device */
UCLASS_I2C_MUX, /* I2C multiplexer */
UCLASS_IDE, /* IDE device */
UCLASS_IRQ, /* Interrupt controller */
UCLASS_KEYBOARD, /* Keyboard input device */
UCLASS_LED, /* Light-emitting diode (LED) */