diff --git a/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c b/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c
index 45a5d921eb..25f580b7a7 100644
--- a/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c
+++ b/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c
@@ -43,14 +43,6 @@ char *rtems_progname;
 #define VME_ONE_BASE    0x30000000
 #define VME_TWO_BASE    0x31000000
 
-/*
- * Cacheable areas
- */
-#define SDRAM_BASE      0
-#define SDRAM_SIZE      (16*1024*1024)
-#define FLASH_BASE      0x10000000
-#define FLASH_SIZE      (4*1024*1024)
-
 /*
  * CPU-space access
  */
@@ -167,7 +159,8 @@ void bsp_pretasking_hook(void);         /* m68k version */
 void bsp_start( void )
 {
   extern char _WorkspaceBase[];
-  extern char _RamSize[];
+  extern char _RamBase[], _RamSize[];
+  extern char _FlashBase[], _FlashSize[];
   extern unsigned long  _M68k_Ramsize;
 
   _M68k_Ramsize = (unsigned long)_RamSize;      /* RAM size set in linker script */
@@ -208,15 +201,14 @@ void bsp_start( void )
     /*
      * Cache SDRAM and FLASH
      */
-    m68k_set_acr0(MCF5XXX_ACR_AB(SDRAM_BASE)    |
-                  MCF5XXX_ACR_AM(SDRAM_SIZE-1)  |
-                  MCF5XXX_ACR_EN                |
-                  MCF5XXX_ACR_BWE               |
+    m68k_set_acr0(MCF5XXX_ACR_AB((uint32_t)_RamBase)     |
+                  MCF5XXX_ACR_AM((uint32_t)_RamSize-1)   |
+                  MCF5XXX_ACR_EN                         |
+                  MCF5XXX_ACR_BWE                        |
                   MCF5XXX_ACR_SM_IGNORE);
-    m68k_set_acr1(MCF5XXX_ACR_AB(FLASH_BASE)    |
-                  MCF5XXX_ACR_AM(FLASH_SIZE-1)  |
-                  MCF5XXX_ACR_EN                |
-                  MCF5XXX_ACR_BWE               |
+    m68k_set_acr1(MCF5XXX_ACR_AB((uint32_t)_FlashBase)   |
+                  MCF5XXX_ACR_AM((uint32_t)_FlashSize-1) |
+                  MCF5XXX_ACR_EN                         |
                   MCF5XXX_ACR_SM_IGNORE);
 
     /*
diff --git a/c/src/lib/libbsp/m68k/uC5282/startup/linkcmds b/c/src/lib/libbsp/m68k/uC5282/startup/linkcmds
index 9dfbc8eff2..2e4c7b7297 100644
--- a/c/src/lib/libbsp/m68k/uC5282/startup/linkcmds
+++ b/c/src/lib/libbsp/m68k/uC5282/startup/linkcmds
@@ -13,11 +13,13 @@
  */
 
 /*
- * Declare some sizes.
+ * Declare some locations and sizes.
  */
 _RamBase = DEFINED(_RamBase) ? _RamBase : 0x0 ;
 _RamSize = DEFINED(_RamSize) ? _RamSize : 16M ;
 _HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0 ;
+_FlashBase = DEFINED(_FlashBase) ? _FlashBase : 0x10000000 ;
+_RamSize = DEFINED(_RamSize) ? _RamSize : 4M ;
 
 /*
  * Location of downloaded (from TFTP or flash) file