diff --git a/README b/README
index b055ae7..81b7ee1 100644
--- a/README
+++ b/README
@@ -2311,18 +2311,6 @@
 		CONFIG_SF_DEFAULT_MODE 		(see include/spi.h)
 		CONFIG_SF_DEFAULT_SPEED		in Hz
 
-		CONFIG_SYSTEMACE
-
-		Adding this option adds support for Xilinx SystemACE
-		chips attached via some sort of local bus. The address
-		of the chip must also be defined in the
-		CONFIG_SYS_SYSTEMACE_BASE macro. For example:
-
-		#define CONFIG_SYSTEMACE
-		#define CONFIG_SYS_SYSTEMACE_BASE 0xf0000000
-
-		When SystemACE support is added, the "ace" device type
-		becomes available to the fat commands, i.e. fatls.
 
 - TFTP Fixed UDP Port:
 		CONFIG_TFTP_PORT
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 41a2e34..3acf908 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -80,6 +80,9 @@
 CONFIG_DEBUG_DEVRES=y
 CONFIG_ADC=y
 CONFIG_ADC_SANDBOX=y
+CONFIG_SYSTEMACE=y
+CONFIG_SYS_SYSTEMACE_BASE=0x0
+CONFIG_SYS_SYSTEMACE_WIDTH=16
 CONFIG_CLK=y
 CONFIG_CPU=y
 CONFIG_DM_DEMO=y
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 2676089..e2c80f2 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -38,3 +38,21 @@
 	  This allows access to raw blocks and filesystems on an IDE drive
 	  from U-Boot. See also CMD_IDE which provides an 'ide' command for
 	  performing various IDE operations.
+
+config SYSTEMACE
+	bool "Xilinx SystemACE support"
+	help
+	  Adding this option adds support for Xilinx SystemACE chips attached
+	  via some sort of local bus. The address of the chip must also be
+	  defined in the CONFIG_SYS_SYSTEMACE_BASE macro.
+
+	  When SystemACE support is added, the "ace" device type becomes
+	  available to the fat commands, i.e. fatls.
+
+config SYS_SYSTEMACE_BASE
+	hex "Base address of SystemACE chip"
+	depends on SYSTEMACE
+
+config SYS_SYSTEMACE_WIDTH
+	int "Word size of access to the of SystemACE chip"
+	depends on SYSTEMACE
diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index cfb3e7a..2dc8164 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -146,10 +146,6 @@
 
 #define CONFIG_SYS_SATA_MAX_DEVICE	2
 
-#define CONFIG_SYSTEMACE
-#define CONFIG_SYS_SYSTEMACE_WIDTH	16
-#define CONFIG_SYS_SYSTEMACE_BASE	0
-
 #define CONFIG_MISC_INIT_F
 
 #endif