Re: [U-Boot] Using Micron (Numonyx) m28w640hcb with u-boot (Gudjon I. Gudjonsson)

2011-11-14 Thread zq_fan
You should check the datasheet of m28w740hcb and at49bv642d.Maybe there's 
something uncorrect when you write to your flash.Focus on the write option 
code.Maybe your software is compatible with at49bv642d, but m28w740hcb is not 
the same. Hopes to help!
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[U-Boot] CF Card Driver on MPC8548

2011-07-04 Thread zq_fan
Hi,I've got a problem here.
There is a CF card on my board, which is connecting to the Local Bus of MPC8548 
using UPM mode.
The CF card is connecting in PCcard Memory mode.
But I can't find an available or a propriate reference driver.
What can I do? Where can I find a reference CF card driver.
Thanks!

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[U-Boot] Image size of u-boot.bin is too huge, why and how to correct?

2011-05-07 Thread zq_fan
hi, everybody. I've got a problem here.
My u-boot version is 1.3.0.My tool chain prefix is powerpc-linux-gnu- .
I wanna build uboot for freescale processor MPC8247
I found MPC8260ADS-config in Makefile, I thought MPC8260 was similar to 
MPC8247, so I choose this config target.
Then I make u-boot.bin, I found that after objcopy the file u-boot was about 
700KB, but the file u-boot.bin was about xGB.

How should this happened? What Should I Do?

PS: objcopy uses an option --gap-fill=0xff, is this using right?
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[U-Boot] [HELP] Where can i get uboot patch for freescale P4080

2011-02-21 Thread zq_fan
thanks very much

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Re: [U-Boot] Is it possible to load the uboot.bin file to RAM area

2011-02-12 Thread zq_fan
yes
at first, SDRAM should be initialized through JTAG by emulator
secondly, adjust TEXT_BASE to the SDRAM address region
then u can download the uboot image into SDRAM through JTAG by emulator




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Re: [U-Boot] Is it possible to load the uboot.bin file to RAM area

2011-02-12 Thread zq_fan
yes
at first, SDRAM should be initialized through JTAG by emulator
secondly, adjust TEXT_BASE to the SDRAM address region
then u can download the uboot image into SDRAM through JTAG by emulator
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Re: [U-Boot] U-Boot Hangs in relocate_code function

2010-05-19 Thread zq_fan
Hi:
   PLS check the ddr2 timing configuration. The function name maybe is 
fako_spd(), and there is a data array which stores the ddr2 timing 
configuration. About the configuration data, U can find on web.The JEDEC 
website may help.
 
PS: the timing configuration data may be read from an EEPROM
 
>Message: 16
>Date: Mon, 17 May 2010 18:55:55 +0900
>From: ?Gurumurthy G M 
>Subject: [U-Boot] U-boot Hangs in relocate_code function
>To: 
>Cc: amd...@gmail.com
>Message-ID: <5858de952c53a441bda3408a0524130104cce...@mkegmal01>
>Content-Type: text/plain; charset="iso-8859-1"
>
>
>Hi Andrew,
>  Now am able to get some messages on serial port but it is hanging 
> after DRAM initialization i.e. during relocate_code function, below is the 
> debug messages on serial port.
>
>I tried configuring SDRAM (DDR2) for 256 and 128 MB, but still the problem is 
>same. 
>
>I am facing one typical problem in u-boot i.e. whenever i power on the board I 
>will get below debug messages on serial port after 5 to 8 seconds and hangs at 
>stack pointer.
>
>
>U-Boot 2010.03 (May 14 2010 - 16:41:46)
>Linux Advanced AVN Platform
>CPU: Au1350, id: 0x80, rev: 0x01
>DRAM:  256 MB
>Address value =9000Top of RAM usable for U-Boot at: 9000
>Reserving 161k for U-Boot at: 8ffd4000
>Reserving 192k for malloc() at: 8ffa4000
>Reserving 36 Bytes for Board Info at: 8ffa3fdc
>Reserving 36 Bytes for Global Data at: 8ffa3fb8
>Reserving 128k for boot params() at: 8ff83fb8
>Stack Pointer at: 8ff83f98
>
>
>U-Boot 2010.03 (May 14 2010 - 16:49:00)
>Linux Advanced AVN Platform
>CPU: Au1350, id: 0x80, rev: 0x01
>DRAM:  128 MB
>Address value =8800Top of RAM usable for U-Boot at: 8800
>Reserving 161k for U-Boot at: 87fd4000
>Reserving 192k for malloc() at: 87fa4000
>Reserving 36 Bytes for Board Info at: 87fa3fdc
>Reserving 36 Bytes for Global Data at: 87fa3fb8
>Reserving 128k for boot params() at: 87f83fb8
>Stack Pointer at: 87f83f98
>
>
>U-Boot 2010.03 (May 14 2010 - 16:53:58)
>Linux Advanced AVN Platform
>CPU: Au1350, id: 0x80, rev: 0x01
>DRAM:  256 MB
>Address value =9000Top of RAM usable for U-Boot at: 9000
>Reserving 161k for U-Boot at: 8ffd4000
>Reserving 192k for malloc() at: 8ffa4000
>Reserving 36 Bytes for Board Info at: 8ffa3fdc
>Reserving 36 Bytes for Global Data at: 8ffa3fb8
>Reserving 128k for boot params() at: 8ff83fb8
>Stack Pointer at: 8ff83f98
>
>Can you please share me your board config file and lowlevel_init.S file which 
>you have ported u-boot for Au1550. I need it for the reference.
>
>I am doing DDR2 initialization in u-boot as per YAMON source code that will 
>create any problem?
>
>please help me out to resolve the above issues.
>
>Thanks in Advance
>
>Regards,
>Gurumurthy Gowdar
>KPIT Cummins Infosystems Pvt Ltd
>
>
>
>--
>
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>
>End of U-Boot Digest, Vol 24, Issue 18
>**
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