--- /dev/null
+Index: rtems/c/src/lib/libbsp/arm/csb336/startup/memmap.c
+===================================================================
+--- rtems.orig/c/src/lib/libbsp/arm/csb336/startup/memmap.c
++++ rtems/c/src/lib/libbsp/arm/csb336/startup/memmap.c
+@@ -21,8 +21,12 @@ mmu_sect_map_t mem_map[] = {
+ /* <phys addr> <virt addr> <size> <flags> */
+ {0x08200000, 0x00000000, 1, MMU_CACHE_NONE}, /* Mirror of SDRAM */
+ {0x00100000, 0x00100000, 1, MMU_CACHE_NONE}, /* Bootstrap ROM */
+- {0x00200000, 0x00200000, 1, MMU_CACHE_NONE}, /* Internal Regs */
++ {0x00200000, 0x00200000, 2, MMU_CACHE_NONE}, /* Internal Regs + eSRAM */
++ #if 1
++ {0x08000000, 0x08000000, 32, MMU_CACHE_WBACK}, /* SDRAM */
++ #else
+ {0x08000000, 0x08000000, 32, MMU_CACHE_WTHROUGH}, /* SDRAM */
++ #endif
+ {0x10000000, 0x10000000, 8, MMU_CACHE_NONE}, /* CS0 - Flash */
+ {0x12000000, 0x12000000, 1, MMU_CACHE_NONE}, /* CS1 - enet */
+ {0x13000000, 0x13000000, 1, MMU_CACHE_NONE}, /* CS2 - */