sdram_remap.txt

Z228 芯片的sdram_remap代码。很有参考意义。初始化sdram后可以直接烧写裸机程序

smem 0x2000D028 0x000 32
smem 0x2000D030 0x2 32
smem 0x2000D034 0x5 32
smem 0x2000D038 0x9 32
smem 0x2000D044 0x2 32
smem 0x2000D048 0x8 32
smem 0x2000D04C 0x9 32
smem 0x2000D050 0x9 32
smem 0x2000D054 0x2 32
smem 0x2000D058 0x2 32
smem 0x2000D05C 0x1 32
smem 0x2000D104 0x203 32
smem 0x2000D124 0x203 32
smem 0x2000D100 0x4680 32
smem 0x2000D120 0x4680 32
smem 0x2000D020 0x183 32
sreg r0 0xf
sreg r0 0xe
sreg r0 0xd
sreg r0 0xc
sreg r0 0xb
sreg r0 0xa
sreg r0 0x9
sreg r0 0x8
sreg r0 0x7
sreg r0 0x6
sreg r0 0x5
sreg r0 0x4
sreg r0 0x3
sreg r0 0x2
sreg r0 0x1
smem 0x2000D020 0x103 32
smem 0x2000D024 0x1 32
sreg r0 0xf
sreg r0 0xe
sreg r0 0xd
sreg r0 0xc
sreg r0 0xb
sreg r0 0xa
sreg r0 0x9
sreg r0 0x8
sreg r0 0x7
sreg r0 0x6
sreg r0 0x5
sreg r0 0x4
sreg r0 0x3
sreg r0 0x2
sreg r0 0x1
smem 0x2000D024 0x1c 32
smem 0x2000D020 0x83 32
mem 0x08040000 +4 32 hex
mem 0x10040000 +4 32 hex
smem 0x2000D020 0x3 32
com remap
smem 0x20020120 0x2 32
smem 0x20020124 0x1 32