From: zhanglei459 <zhanglei459@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] questions about porting to MPC7410+EVB64260
Date: Tue, 1 Apr 2008 07:28:30 -0700 (PDT) [thread overview]
Message-ID: <16418464.post@talk.nabble.com> (raw)
Hi,all:
I'm a newbie to u-boot.Now I want to port u-boot to my customized
mpc7410 + EVB64260 board.
After searching source code,I have 3 questions:
the first,board "EVB64260" may be the best suitable to mine?
the second,In evb64260.h, BAT of SDRAM is:
/* SDRAM */
#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_DBAT0L (CFG_SDRAM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT |
BATL_GUARDEDSTORAGE)
#define CFG_DBAT0U CFG_IBAT0U
I found attribute of SDRAM is not BATL_GUARDEDSTORAGE in some board
configuration file,and some others is not BATL_GUARDEDSTORAGE.And I think
SDRAM should not be BATL_GUARDEDSTORAGE,right?
The last question is when I using Windriver ICE debug u-boot,after I run
program to set MMU,CPU_SDRAM,CPU_DEVICE registers,Workbench Register window
display correct number of MMU,but display all "ffffffff" of
CPU_SDRAM,CPU_CONFIGURATION.when I "RUN" u-boot in flash,it stop and run
into address 0x800 exception program.Anyone can direct me how to explain it?
Thank you very much!Hope reply.
--
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reply other threads:[~2008-04-01 14:28 UTC|newest]
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