Enableing Memory Bank 1

From: alban@mycroft.u-net.com
Date: Tue Jan 08 2002 - 07:33:13 EST

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I am trying to enable bank 1 to give me 256 meg ram

the first bank is detected ok and the kernel finds 128mb
I am using the latest bootldr /hh9 kernel
Compaq OHH BootLoader, Rev 2-17-17 [BIG_KERNEL] [MD5]
[MONO]
Last link date: Mon Jan 7 09:33:41 EST 2002
Contact: bootldr@handhelds.org
boot>

looking at the MDCNFG entry in the strongarm developers manual

boot> peek ram 0xa0000000
  addr = A0000000
  value = 0000F365

turning on bit DE1 should enable bank 1 of memory
 poke ram 0xA0000000 0x0000F367
poke ram:
 addr=A0000000
 value=0000F367

and setting the ram size to 256mb
set dram_size 0x10000000
but the mem command gives me
boot> mem
Flash memory info:
Flash types supported (2x16):
  28F128J3A
  28F640J3A
  28F160B3
  28F160S3
Flash types supported (1x16):
  28F128J3A_1x16
Current flash type is 28F128J3A
Flash size: 0x02000000
 in megs: 32M

SDRAM memory info:
SDRAM size:0x08000000
 in megs: 128M
SDRAM bank0:
  mdcnfg = 0x0000F367
  mdrefr = 0x00300191
boot>

On booting the kernel, it thinks there is 256mb ram but it panics
 

can anyone tell me what i missed ???

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