block: Migrate SystemACE chip to Kconfig

Migrate the base and sub-options to Kconfig.  Note that we only enable
this in the base sandbox config now.

Cc: Alexey Brodkin <alexey.brodkin@gmail.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
---
Is this driver still used anywhere?  It's fishy that it's only enabled
in sandbox anymore.

README

@@ -2311,18 +2311,6 @@ The following options need to be configured:
 		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

configs/sandbox_defconfig

@@ -80,6 +80,9 @@ CONFIG_DEVRES=y
 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

drivers/block/Kconfig

@@ -38,3 +38,21 @@ config IDE
 	  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

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