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| author | Simon Glass <sjg@chromium.org> | 2016-01-17 16:11:34 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-01-24 12:09:39 +0800 |
| commit | e3b5f04143a859092d4e09f61e526790836714f2 (patch) | |
| tree | 6625e369c66db2fb61bbf7d1299ba3b089acc6e1 | |
| parent | 887cba8f38e237735bb1d84b34dfbbf032e5b6b6 (diff) | |
| download | u-boot-imx-e3b5f04143a859092d4e09f61e526790836714f2.zip u-boot-imx-e3b5f04143a859092d4e09f61e526790836714f2.tar.gz u-boot-imx-e3b5f04143a859092d4e09f61e526790836714f2.tar.bz2 | |
ahci: Add a disk-controller uclass
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 <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | drivers/block/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/block/Makefile | 1 | ||||
| -rw-r--r-- | drivers/block/disk-uclass.c | 14 | ||||
| -rw-r--r-- | include/dm/uclass-id.h | 1 |
4 files changed, 25 insertions, 0 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index e69de29..990f768 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 <sjg@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 4806095..73cd3ac 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, /* Display (e.g. DisplayPort, HDMI) */ UCLASS_RAM, /* RAM controller */ UCLASS_ETH, /* Ethernet device */ |