mww 0x90600104 0x33313333 mww 0xA0700000 0x00000001 # Enable the memory controller. mww 0xA0700024 0x00000006 # Set the refresh counter 6 mww 0xA0700028 0x00000001 # mww 0xA0700030 0x00000001 # Set the precharge period mww 0xA0700034 0x00000004 # Active to precharge command period is 16 clock cycles mww 0xA070003C 0x00000001 # tAPR mww 0xA0700040 0x00000005 # tDAL mww 0xA0700044 0x00000001 # tWR mww 0xA0700048 0x00000006 # tRC 32 clock cycles mww 0xA070004C 0x00000006 # tRFC 32 clock cycles mww 0xA0700054 0x00000001 # tRRD mww 0xA0700058 0x00000001 # tMRD mww 0xA0700100 0x00004280 # Dynamic Config 0 (cs4) mww 0xA0700120 0x00004280 # Dynamic Config 1 (cs5) mww 0xA0700140 0x00004280 # Dynamic Config 2 (cs6) mww 0xA0700160 0x00004280 # Dynamic Config 3 (cs7) # mww 0xA0700104 0x00000203 # CAS latency is 2 at 100 MHz mww 0xA0700124 0x00000203 # CAS latency is 2 at 100 MHz mww 0xA0700144 0x00000203 # CAS latency is 2 at 100 MHz mww 0xA0700164 0x00000203 # CAS latency is 2 at 100 MHz # mww 0xA0700020 0x00000103 # issue SDRAM PALL command # mww 0xA0700024 0x00000001 # Set the refresh counter to be as small as possible # # Add some dummy writes to give the SDRAM time to settle, it needs two # AHB clock cycles, here we poke in the debugger flag, this lets # the software know that we are in the debugger mww 0xA0900000 0x00000002 mww 0xA0900000 0x00000002 mww 0xA0900000 0x00000002 mww 0xA0900000 0x00000002 mww 0xA0900000 0x00000002 # mdw 0xA0900000 mdw 0xA0900000 mdw 0xA0900000 mdw 0xA0900000 mdw 0xA0900000 # mww 0xA0700024 0x00000030 # Set the refresh counter to 30 mww 0xA0700020 0x00000083 # Issue SDRAM MODE command # # Next we perform a read of RAM. # mw = move word. mdw 0x00022000 # mw 0x00022000:P, r3 # 22000 for cas2 latency, 32000 for cas 3 # mww 0xA0700020 0x00000003 # issue SDRAM NORMAL command mww 0xA0700100 0x00084280 # Enable buffer access mww 0xA0700120 0x00084280 # Enable buffer access mww 0xA0700140 0x00084280 # Enable buffer access mww 0xA0700160 0x00084280 # Enable buffer access #Set byte lane state (static mem 1)" mww 0xA0700220, 0x00000082 #Flash Start mww 0xA09001F8, 0x50000000 #Flash Mask Reg mww 0xA09001FC, 0xFF000001 mww 0xA0700028, 0x00000001 # RAMAddr = 0x00020000 # RAMSize = 0x00004000 # Set the processor mode reg cpsr 0xd3