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authorSimon Glass <sjg@chromium.org>2016-05-01 11:36:24 -0600
committerSimon Glass <sjg@chromium.org>2016-05-17 09:54:43 -0600
commit535556b2aa64966970ff75a8307549506a1a168a (patch)
treea3f618d5e45f90bdc405ed57f4e17bb97455e384 /common
parent74c6dc14447e8386dd0799611d316eae5aad1e10 (diff)
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dm: scsi: Add support for driver-model block devices
Add driver-model block-device support to the SCSI implementation. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common')
-rw-r--r--common/scsi.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/common/scsi.c b/common/scsi.c
index 5b6531f..8ac28dd 100644
--- a/common/scsi.c
+++ b/common/scsi.c
@@ -6,6 +6,7 @@
*/
#include <common.h>
+#include <dm.h>
#include <inttypes.h>
#include <pci.h>
#include <scsi.h>
@@ -149,9 +150,17 @@ void scsi_setup_inquiry(ccb *pccb)
pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
}
+#ifdef CONFIG_BLK
+static ulong scsi_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
+ void *buffer)
+#else
static ulong scsi_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;
lbaint_t start, blks;
uintptr_t buf_addr;
@@ -216,9 +225,17 @@ static ulong scsi_read(struct blk_desc *block_dev, lbaint_t blknr,
/* Almost the maximum amount of the scsi_ext command.. */
#define SCSI_MAX_WRITE_BLK 0xFFFF
+#ifdef CONFIG_BLK
+static ulong scsi_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
+ const void *buffer)
+#else
static ulong scsi_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;
lbaint_t start, blks;
uintptr_t buf_addr;
@@ -469,8 +486,10 @@ void scsi_scan(int mode)
scsi_dev_desc[i].if_type = IF_TYPE_SCSI;
scsi_dev_desc[i].devnum = i;
scsi_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
+#ifndef CONFIG_BLK
scsi_dev_desc[i].block_read = scsi_read;
scsi_dev_desc[i].block_write = scsi_write;
+#endif
}
scsi_max_devs = 0;
for (i = 0; i < CONFIG_SYS_SCSI_MAX_SCSI_ID; i++) {
@@ -552,9 +571,22 @@ removable:
#endif
}
+#ifdef CONFIG_BLK
+static const struct blk_ops scsi_blk_ops = {
+ .read = scsi_read,
+ .write = scsi_write,
+};
+
+U_BOOT_DRIVER(scsi_blk) = {
+ .name = "scsi_blk",
+ .id = UCLASS_BLK,
+ .ops = &scsi_blk_ops,
+};
+#else
U_BOOT_LEGACY_BLK(scsi) = {
.if_typename = "sata",
.if_type = IF_TYPE_SCSI,
.max_devs = CONFIG_SYS_SCSI_MAX_DEVICE,
.desc = scsi_dev_desc,
};
+#endif