powerpc/ppc4xx: Use generic accessor functions for gdsys FPGA

A set of accessor functions was added to be able to access not only
memory mapped FPGA in a generic way.

Thanks to Wolfgang Denk for getting this sorted properly.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/gdsys/405ep/dlvision-10g.c b/board/gdsys/405ep/dlvision-10g.c
index 48d8786..35dfbbc 100644
--- a/board/gdsys/405ep/dlvision-10g.c
+++ b/board/gdsys/405ep/dlvision-10g.c
@@ -55,6 +55,8 @@
 	RAM_DDR2_64 = 2,
 };
 
+struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
+
 int misc_init_r(void)
 {
 	/* startup fans */
@@ -79,10 +81,9 @@
 
 static void print_fpga_info(unsigned dev)
 {
-	struct ihs_fpga *fpga = (struct ihs_fpga *) CONFIG_SYS_FPGA_BASE(dev);
-	u16 versions = in_le16(&fpga->versions);
-	u16 fpga_version = in_le16(&fpga->fpga_version);
-	u16 fpga_features = in_le16(&fpga->fpga_features);
+	u16 versions;
+	u16 fpga_version;
+	u16 fpga_features;
 	unsigned unit_type;
 	unsigned hardware_version;
 	unsigned feature_rs232;
@@ -96,6 +97,10 @@
 
 	printf("FPGA%d: ", dev);
 
+	FPGA_GET_REG(dev, versions, &versions);
+	FPGA_GET_REG(dev, fpga_version, &fpga_version);
+	FPGA_GET_REG(dev, fpga_features, &fpga_features);
+
 	hardware_version = versions & 0x000f;
 
 	if (fpga_state
@@ -247,8 +252,9 @@
 
 int last_stage_init(void)
 {
-	struct ihs_fpga *fpga = (struct ihs_fpga *) CONFIG_SYS_FPGA_BASE(0);
-	u16 versions = in_le16(&fpga->versions);
+	u16 versions;
+
+	FPGA_GET_REG(0, versions, &versions);
 
 	print_fpga_info(0);
 	if (get_mc2_present())