Re: [U-Boot] [PATCH] mpc83xx: add ELBC NAND support for the MPC837XEMDSboards

2008-10-13 Thread Kim Phillips
On Wed, 8 Oct 2008 21:26:34 -0700 "Liu Dave-R63238" <[EMAIL PROTECTED]> wrote: > It is due to hardware design and logic defect, that is the > I/O[0:7] of NAND chip is connected to LAD[7:0], so when > the NAND chip connected to nLCS3, you have to set up the > OR3[BCTLD] = '1' for normal operation,

Re: [U-Boot] [PATCH] mpc83xx: add ELBC NAND support for the MPC837XEMDSboards

2008-10-08 Thread Liu Dave-R63238
It is due to hardware design and logic defect, that is the I/O[0:7] of NAND chip is connected to LAD[7:0], so when the NAND chip connected to nLCS3, you have to set up the OR3[BCTLD] = '1' for normal operation, otherwise it will have bus contention due to the pin 48/25 of U60 is enabled. Setup th