diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4ef27dc..396023e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -47,6 +47,9 @@ source "arch/x86/cpu/queensbay/Kconfig"
 
 # architecture-specific options below
 
+config AHCI
+	default y
+
 config SYS_MALLOC_F_LEN
 	default 0x800
 
diff --git a/arch/x86/cpu/broadwell/sata.c b/arch/x86/cpu/broadwell/sata.c
index dfb8486..2e47082 100644
--- a/arch/x86/cpu/broadwell/sata.c
+++ b/arch/x86/cpu/broadwell/sata.c
@@ -261,7 +261,7 @@ static const struct udevice_id broadwell_ahci_ids[] = {
 
 U_BOOT_DRIVER(ahci_broadwell_drv) = {
 	.name		= "ahci_broadwell",
-	.id		= UCLASS_DISK,
+	.id		= UCLASS_AHCI,
 	.of_match	= broadwell_ahci_ids,
 	.ofdata_to_platdata	= broadwell_sata_ofdata_to_platdata,
 	.probe		= broadwell_sata_probe,
diff --git a/arch/x86/cpu/intel_common/cpu.c b/arch/x86/cpu/intel_common/cpu.c
index 93e4505..0fdef6f 100644
--- a/arch/x86/cpu/intel_common/cpu.c
+++ b/arch/x86/cpu/intel_common/cpu.c
@@ -58,7 +58,7 @@ int cpu_common_init(void)
 		return -ENODEV;
 
 	/* Cause the SATA device to do its early init */
-	uclass_first_device(UCLASS_DISK, &dev);
+	uclass_first_device(UCLASS_AHCI, &dev);
 
 	return 0;
 }
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c
index 4c039ac..5b58d6c 100644
--- a/arch/x86/cpu/ivybridge/bd82x6x.c
+++ b/arch/x86/cpu/ivybridge/bd82x6x.c
@@ -162,7 +162,7 @@ static int bd82x6x_probe(struct udevice *dev)
 		return 0;
 
 	/* Cause the SATA device to do its init */
-	uclass_first_device(UCLASS_DISK, &dev);
+	uclass_first_device(UCLASS_AHCI, &dev);
 
 	ret = syscon_get_by_driver_data(X86_SYSCON_GMA, &gma_dev);
 	if (ret)
diff --git a/arch/x86/cpu/ivybridge/sata.c b/arch/x86/cpu/ivybridge/sata.c
index c3d1057..1ce8195 100644
--- a/arch/x86/cpu/ivybridge/sata.c
+++ b/arch/x86/cpu/ivybridge/sata.c
@@ -233,7 +233,7 @@ static const struct udevice_id bd82x6x_ahci_ids[] = {
 
 U_BOOT_DRIVER(ahci_ivybridge_drv) = {
 	.name		= "ahci_ivybridge",
-	.id		= UCLASS_DISK,
+	.id		= UCLASS_AHCI,
 	.of_match	= bd82x6x_ahci_ids,
 	.probe		= bd82x6x_sata_probe,
 };
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index fcc9ccd..80eea84 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -9,10 +9,9 @@ config BLK
 	  be partitioned into several areas, called 'partitions' in U-Boot.
 	  A filesystem can be placed in each partition.
 
-config DISK
-	bool "Support disk controllers with driver model"
+config AHCI
+	bool "Support SATA 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
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index a43492f..b832ae1 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -7,7 +7,7 @@
 
 obj-$(CONFIG_BLK) += blk-uclass.o
 
-obj-$(CONFIG_DISK) += disk-uclass.o
+obj-$(CONFIG_AHCI) += ahci-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/ahci-uclass.c
similarity index 72%
rename from drivers/block/disk-uclass.c
rename to drivers/block/ahci-uclass.c
index d665b35..7b8c326 100644
--- a/drivers/block/disk-uclass.c
+++ b/drivers/block/ahci-uclass.c
@@ -8,7 +8,7 @@
 #include <common.h>
 #include <dm.h>
 
-UCLASS_DRIVER(disk) = {
-	.id		= UCLASS_DISK,
-	.name		= "disk",
+UCLASS_DRIVER(ahci) = {
+	.id		= UCLASS_AHCI,
+	.name		= "ahci",
 };
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index cbf9b2c..a5cf6e2 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -26,11 +26,11 @@ enum uclass_id {
 
 	/* U-Boot uclasses start here - in alphabetical order */
 	UCLASS_ADC,		/* Analog-to-digital converter */
+	UCLASS_AHCI,		/* SATA disk controller */
 	UCLASS_BLK,		/* Block device */
 	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_DMA,		/* Direct Memory Access */
 	UCLASS_RAM,		/* RAM controller */