mv6601: added sdram config for 256mb 400mhz ddr3.

diff -u dramregs_400rd_A-MC_ddr3.txt dramregs_256mb_400mhz_ddr3.txt
--- dramregs_400rd_A-MC_ddr3.txt	2013-02-11 13:08:24.234143900 -0800
+++ dramregs_256mb_400mhz_ddr3.txt	2013-04-15 11:46:22.399022506 -0700
@@ -2,7 +2,7 @@
 0xFFD01404 0xB8603000
 0xFFD01408 0x3303555D
 0xFFD0140C 0x16000C3F
-0xFFD01410 0x0000000D
+0xFFD01410 0x00000001
 0xFFD01424 0x0000014F
 0xFFD01428 0x000C5720
 0xFFD0147c 0x0000A471
@@ -13,7 +13,7 @@
 0xFFD01514 0x0FFFFFF8
 0xFFD0151c 0x0FFFFFFc
 0xFFD20004 0x00000000
-0xFFD20000 0x07FF0E01
+0xFFD20000 0x0FFF0E01
 0xFFD015D0 0x00000620
 0xFFD015D4 0x00000044
 0xFFD015D8 0x00000000

Changed CSSingleDeviceSize[3:2] of SDRAM Address Control (0x00001410) from 3
(= 1 Gb) to 0 (= 2 Gb).

Changed Size[31:16] of Window0 Control (0x00020000) from 0x7ff
((0x7ff + 1) * 64 KB = 128 MB) to 0xfff.

Change-Id: I72ed1ab084e9c2019b366a1290343a64e9c477a8
1 file changed