From: "Nikhil Gautam" <nikhilgautam1@gmail.com>
To: linuxppc-embedded@ozlabs.org
Subject: 440EPX is not booting from 1Gb/128MB NAND flash
Date: Wed, 6 Feb 2008 16:36:17 -0800 [thread overview]
Message-ID: <e9eeaac20802061636t14229054yebb41fa38dc5bffe@mail.gmail.com> (raw)
Hi,
I am trying to boot my board which is based on Sequoia 440EPX. The
only difference between my board and the reference board is that I
have a 1 Gb NAND flash ( NAND01GW3B2A) instead of 256Mb flash present
on reference board.
In U-boot I have changed the board configuration file to reflect correct specs.
* Now the NAND chip has to be defined (no autodetection used!)
*/
#define CFG_NAND_PAGE_SIZE (2048) /* NAND chip page size */
#define CFG_NAND_BLOCK_SIZE (128 << 10) /* NAND chip block size */
#define CFG_NAND_PAGE_COUNT (64) /* NAND chip page count */
#define CFG_NAND_BAD_BLOCK_POS (5) /* Location of bad block marker */
#define CFG_NAND_4_ADDR_CYCLE /* Fourth addr used (>32MB) */
I have also changed the eeprom configuration word to
0x87788252
0x0947D010
0xA0A82358
0x0D050000
Is there any other place where some NAND configuration is defined?
Thanks
Nikhil
reply other threads:[~2008-02-07 0:36 UTC|newest]
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