diff --git a/include/configs/gr_cpci_ax2000.h b/include/configs/gr_cpci_ax2000.h
index 8461787..5bbf1aa 100644
--- a/include/configs/gr_cpci_ax2000.h
+++ b/include/configs/gr_cpci_ax2000.h
@@ -312,31 +312,36 @@
 
 #define CONFIG_SYS_GRLIB_SDRAM    0
 
+/* No SDRAM Configuration */
+#undef CONFIG_SYS_GRLIB_GAISLER_SDCTRL1
+
 /* See, GRLIB Docs (grip.pdf) on how to set up
  * These the memory controller registers.
  */
-#define CONFIG_SYS_GRLIB_MEMCFG1   (0x10f800ff | (1<<11))
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG1   (0x10f800ff | (1<<11))
 #if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM_NOSRAM
-#define CONFIG_SYS_GRLIB_MEMCFG2   0x82206000
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2   0x82206000
 #else
-#define CONFIG_SYS_GRLIB_MEMCFG2   0x82205260
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2   0x82205260
 #endif
-#define CONFIG_SYS_GRLIB_MEMCFG3   0x0809a000
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG3   0x0809a000
 
-#define CONFIG_SYS_GRLIB_FT_MEMCFG1   (0x10f800ff | (1<<11))
+/* GRLIB FT-MCTRL configuration */
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG1   (0x10f800ff | (1<<11))
 #if CONFIG_LEON_RAM_SELECT == CONFIG_LEON_RAM_SDRAM_NOSRAM
-#define CONFIG_SYS_GRLIB_FT_MEMCFG2   0x82206000
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG2   0x82206000
 #else
-#define CONFIG_SYS_GRLIB_FT_MEMCFG2   0x82205260
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG2   0x82205260
 #endif
-#define CONFIG_SYS_GRLIB_FT_MEMCFG3   0x0809a000
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG3   0x0809a000
 
 /* no DDR controller */
-#define CONFIG_SYS_GRLIB_DDR_CFG   0x00000000
+#undef CONFIG_SYS_GRLIB_GAISLER_DDRSPA1
 
 /* no DDR2 Controller */
-#define CONFIG_SYS_GRLIB_DDR2_CFG1 0x00000000
-#define CONFIG_SYS_GRLIB_DDR2_CFG3 0x00000000
+#undef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1
 
 /* Identification string */
 #define CONFIG_IDENT_STRING "GAISLER LEON3 GR-CPCI-AX2000"
diff --git a/include/configs/gr_ep2s60.h b/include/configs/gr_ep2s60.h
index 2f953ae..b55ca77 100644
--- a/include/configs/gr_ep2s60.h
+++ b/include/configs/gr_ep2s60.h
@@ -289,21 +289,29 @@
 
 #define CONFIG_SYS_GRLIB_SDRAM    0
 
+/* No SDRAM Configuration */
+#undef CONFIG_SYS_GRLIB_GAISLER_SDCTRL1
+
 /* See, GRLIB Docs (grip.pdf) on how to set up
  * These the memory controller registers.
  */
-#define CONFIG_SYS_GRLIB_MEMCFG1  (0x10f800ff | (1<<11))
-#define CONFIG_SYS_GRLIB_MEMCFG2  0x00000000
-#define CONFIG_SYS_GRLIB_MEMCFG3  0x00000000
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG1  (0x10f800ff | (1<<11))
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2  0x00000000
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG3  0x00000000
 
-#define CONFIG_SYS_GRLIB_FT_MEMCFG1  (0x10f800ff | (1<<11))
-#define CONFIG_SYS_GRLIB_FT_MEMCFG2  0x00000000
-#define CONFIG_SYS_GRLIB_FT_MEMCFG3  0x00000000
+/* GRLIB FT-MCTRL configuration */
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG1  (0x10f800ff | (1<<11))
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG2  0x00000000
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG3  0x00000000
 
-#define CONFIG_SYS_GRLIB_DDR_CFG  0xa900830a
+/* DDR controller */
+#define CONFIG_SYS_GRLIB_GAISLER_DDRSPA1
+#define CONFIG_SYS_GRLIB_GAISLER_DDRSPA1_CTRL  0xa900830a
 
-#define CONFIG_SYS_GRLIB_DDR2_CFG1 0x00000000
-#define CONFIG_SYS_GRLIB_DDR2_CFG3 0x00000000
+/* no DDR2 Controller */
+#undef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1
 
 /* Identification string */
 #define CONFIG_IDENT_STRING "GAISLER LEON3 EP2S60"
diff --git a/include/configs/gr_xc3s_1500.h b/include/configs/gr_xc3s_1500.h
index 428b532..d086b69 100644
--- a/include/configs/gr_xc3s_1500.h
+++ b/include/configs/gr_xc3s_1500.h
@@ -252,23 +252,28 @@
 
 #define CONFIG_SYS_GRLIB_SDRAM    0
 
+/* No SDRAM Configuration */
+#undef CONFIG_SYS_GRLIB_GAISLER_SDCTRL1
+
 /* See, GRLIB Docs (grip.pdf) on how to set up
  * These the memory controller registers.
  */
-#define CONFIG_SYS_GRLIB_MEMCFG1   (0x000000ff | (1<<11))
-#define CONFIG_SYS_GRLIB_MEMCFG2   0x82206000
-#define CONFIG_SYS_GRLIB_MEMCFG3   0x00136000
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG1   (0x000000ff | (1<<11))
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2   0x82206000
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG3   0x00136000
 
-#define CONFIG_SYS_GRLIB_FT_MEMCFG1   (0x000000ff | (1<<11))
-#define CONFIG_SYS_GRLIB_FT_MEMCFG2   0x82206000
-#define CONFIG_SYS_GRLIB_FT_MEMCFG3   0x00136000
+/* GRLIB FT-MCTRL configuration */
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG1   (0x000000ff | (1<<11))
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG2   0x82206000
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG3   0x00136000
 
 /* no DDR controller */
-#define CONFIG_SYS_GRLIB_DDR_CFG   0x00000000
+#undef CONFIG_SYS_GRLIB_GAISLER_DDRSPA1
 
 /* no DDR2 Controller */
-#define CONFIG_SYS_GRLIB_DDR2_CFG1 0x00000000
-#define CONFIG_SYS_GRLIB_DDR2_CFG3 0x00000000
+#undef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1
 
 /* Identification string */
 #define CONFIG_IDENT_STRING "GAISLER LEON3 GR-XC3S-1500"
diff --git a/include/configs/grsim.h b/include/configs/grsim.h
index e07b816..e1f7dc3 100644
--- a/include/configs/grsim.h
+++ b/include/configs/grsim.h
@@ -264,25 +264,33 @@
 #define CONFIG_SYS_GRLIB_SDRAM     0
 
 #define CONFIG_SYS_GRLIB_MEMCFG1   (0x000000ff | (1<<11))
+
+/* No SDRAM Configuration */
+#undef CONFIG_SYS_GRLIB_GAISLER_SDCTRL1
+
+/* LEON2 MCTRL configuration */
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG1   (0x000000ff | (1<<11))
 #if CONFIG_GRSIM
 /* GRSIM configuration */
-#define CONFIG_SYS_GRLIB_MEMCFG2   0x82206000
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2   0x82206000
 #else
 /* TSIM configuration */
-#define CONFIG_SYS_GRLIB_MEMCFG2   0x81805220
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2   0x81805220
 #endif
-#define CONFIG_SYS_GRLIB_MEMCFG3   0x00136000
+#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG3   0x00136000
 
-#define CONFIG_SYS_GRLIB_FT_MEMCFG1   (0x000000ff | (1<<11))
-#define CONFIG_SYS_GRLIB_FT_MEMCFG2   0x82206000
-#define CONFIG_SYS_GRLIB_FT_MEMCFG3   0x00136000
+/* GRLIB FT-MCTRL configuration */
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG1   (0x000000ff | (1<<11))
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG2   0x82206000
+#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG3   0x00136000
 
 /* no DDR controller */
-#define CONFIG_SYS_GRLIB_DDR_CFG   0x00000000
+#undef CONFIG_SYS_GRLIB_GAISLER_DDRSPA1
 
 /* no DDR2 Controller */
-#define CONFIG_SYS_GRLIB_DDR2_CFG1 0x00000000
-#define CONFIG_SYS_GRLIB_DDR2_CFG3 0x00000000
+#undef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1
 
 /* default kernel command line */
 #define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"