Add a uclass ID for a disk controller. This can be used by AHCI/SATA or
other controller types. There are no operations and no interface so far,
but it is possible to probe a SATA device.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v2:
- Rename the AHCI uclass to DISK
drivers/block/Kconfig | 9 +++++++++
drivers/block/Makefile | 1 +
drivers/block/disk-uclass.c | 14 ++++++++++++++
include/dm/uclass-id.h | 1 +
4 files changed, 25 insertions(+)
create mode 100644 drivers/block/disk-uclass.c
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index e69de29..989b21d 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -0,0 +1,9 @@
+config DISK
+ bool "Support disk controllers with driver model"
+ depends on DM
+ default y if DM
+ help
+ This enables a uclass for disk controllers in U-Boot. Various driver
+ types can use this, such as AHCI/SATA. It does not provide any
standard
+ operations at present. The block device interface has not been
converted
+ to driver model.
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index eb8bda9..5eb87e0 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -5,6 +5,7 @@
# SPDX-License-Identifier: GPL-2.0+
#
+obj-$(CONFIG_DISK) += disk-uclass.o
obj-$(CONFIG_SCSI_AHCI) += ahci.o
obj-$(CONFIG_DWC_AHSATA) += dwc_ahsata.o
obj-$(CONFIG_FSL_SATA) += fsl_sata.o
diff --git a/drivers/block/disk-uclass.c b/drivers/block/disk-uclass.c
new file mode 100644
index 0000000..d665b35
--- /dev/null
+++ b/drivers/block/disk-uclass.c
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ * Written by Simon Glass <s...@chromium.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+
+UCLASS_DRIVER(disk) = {
+ .id = UCLASS_DISK,
+ .name = "disk",
+};
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index 4a6827b..2e10953 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -29,6 +29,7 @@ enum uclass_id {
UCLASS_CLK, /* Clock source, e.g. used by peripherals */
UCLASS_CPU, /* CPU, typically part of an SoC */
UCLASS_CROS_EC, /* Chrome OS EC */
+ UCLASS_DISK, /* Disk controller, e.g. SATA */
UCLASS_DISPLAY_PORT, /* Display port video */
UCLASS_RAM, /* RAM controller */
UCLASS_ETH, /* Ethernet device */
--
2.6.0.rc2.230.g3dd15c0
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
