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dm: ide: Add support for driver-model block devices

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Add driver-model block-device support to the IDE implementation.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-05-01 11:36:22 -06:00
parent 38bd29beaa
commit 145df842b4
2 changed files with 40 additions and 0 deletions
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32
common/ide.c
View File

@ -7,6 +7,7 @@
#include <common.h>
#include <ata.h>
#include <dm.h>
#include <ide.h>
#include <watchdog.h>
#include <asm/io.h>
@ -873,8 +874,10 @@ void ide_init(void)
ide_dev_desc[i].log2blksz =
LOG2_INVALID(typeof(ide_dev_desc[i].log2blksz));
ide_dev_desc[i].lba = 0;
#ifndef CONFIG_BLK
ide_dev_desc[i].block_read = ide_read;
ide_dev_desc[i].block_write = ide_write;
#endif
if (!ide_bus_ok[IDE_BUS(i)])
continue;
ide_led(led, 1); /* LED on */
@ -975,9 +978,17 @@ __weak void ide_input_data(int dev, ulong *sect_buf, int words)
#endif /* CONFIG_IDE_SWAP_IO */
#ifdef CONFIG_BLK
ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
void *buffer)
#else
ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
void *buffer)
#endif
{
#ifdef CONFIG_BLK
struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
#endif
int device = block_dev->devnum;
ulong n = 0;
unsigned char c;
@ -1097,9 +1108,17 @@ IDE_READ_E:
return n;
}
#ifdef CONFIG_BLK
ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
const void *buffer)
#else
ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
const void *buffer)
#endif
{
#ifdef CONFIG_BLK
struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
#endif
int device = block_dev->devnum;
ulong n = 0;
unsigned char c;
@ -1191,9 +1210,22 @@ int ide_device_present(int dev)
}
#endif
#ifdef CONFIG_BLK
static const struct blk_ops ide_blk_ops = {
.read = ide_read,
.write = ide_write,
};
U_BOOT_DRIVER(ide_blk) = {
.name = "ide_blk",
.id = UCLASS_BLK,
.ops = &ide_blk_ops,
};
#else
U_BOOT_LEGACY_BLK(ide) = {
.if_typename = "ide",
.if_type = IF_TYPE_IDE,
.max_devs = CONFIG_SYS_IDE_MAXDEVICE,
.desc = ide_dev_desc,
};
#endif

8
include/ide.h
View File

@ -34,10 +34,18 @@ void ide_led(uchar led, uchar status);
void ide_init(void);
struct blk_desc;
struct udevice;
#ifdef CONFIG_BLK
ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
void *buffer);
ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
const void *buffer);
#else
ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
void *buffer);
ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
const void *buffer);
#endif
#ifdef CONFIG_IDE_PREINIT
int ide_preinit(void);