<br><font size=2 face="sans-serif">Hi All,</font>
<br>
<br><font size=2 face="sans-serif">I have RAM version of U-Boot which is
running on a board similar to MPC8260. My memory map isas follows:</font>
<br>
<br><font size=2 face="sans-serif">Staring address
Device
Size
Memory controller and CS</font>
<br>
<table border>
<tr valign=top>
<td><font size=2 face="Times New Roman">0000 0000</font>
<br><font size=2 face="Times New Roman">0800 0000</font>
<br><font size=2 face="Times New Roman">FFF0 0000</font>
<br><font size=2 face="Times New Roman">0F00 0000</font>
<br><font size=2 face="Times New Roman">3000 0000</font>
<br><font size=2 face="Times New Roman">3800 0000</font>
<br><font size=2 face="Times New Roman">4200 0000</font>
<br><font size=2 face="Times New Roman">5000 0000</font>
<td><font size=2 face="Times New Roman">FLASH (Boot)</font>
<br><font size=2 face="Times New Roman">FLASH (Code)</font>
<br><font size=2 face="Times New Roman">SSRAM</font>
<br><font size=2 face="Times New Roman">CPU internal registers</font>
<br><font size=2 face="Times New Roman">SDRAM</font>
<br><font size=2 face="Times New Roman">SDRAM</font>
<br><font size=2 face="Times New Roman">Framer</font>
<br><font size=2 face="Times New Roman">DSP 8102</font>
<td><font size=2 face="Times New Roman">1MB (512Kx16)</font>
<br><font size=2 face="Times New Roman">4 MB (1Mx16)</font>
<br><font size=2 face="Times New Roman">2 MB (512Kx36)</font>
<br><font size=2 face="Times New Roman">128 KB</font>
<br><font size=2 face="Times New Roman">128 MB (16Mx72)</font>
<br><font size=2 face="Times New Roman">128 MB (16Mx72)</font>
<br><font size=2 face="Times New Roman">1 MB</font>
<br><font size=2 face="Times New Roman">2 MB</font>
<td><font size=2 face="Times New Roman">BR0/OR0: CS0</font>
<br><font size=2 face="Times New Roman">BR1/OR1: CS1</font>
<br><font size=2 face="Times New Roman">BR2/OR2: CS2</font>
<br>
<br><font size=2 face="Times New Roman">BR3/OR3: CS3</font>
<br><font size=2 face="Times New Roman">BR4/OR4: CS4</font>
<br><font size=2 face="Times New Roman">BR5/OR5: CS5</font>
<br><font size=2 face="Times New Roman">BR6/OR6: CS6</font></table>
<br>
<br>
<br><font size=2 face="sans-serif">I have downloaded Linux 2.4.25 kernel
image through kermit. after downloading the image in SDRAM location 0x30000000
and giving the command </font>
<br><font size=2 face="sans-serif"><i>bootm 0x30000000</i></font>
<br>
<br><font size=2 face="sans-serif"> the prompt shows a message:</font>
<br>
<br>
<br><font size=2 face="sans-serif"><i>TCS-PIC-UBOOT=> loadb 0x30000000##
Ready for binary (kermit) download to 0x30000000 at 57600 bps...</i></font>
<br>
<br><font size=2 face="sans-serif"><i>## Total Size =
0x000936f6 = 603894 Bytes</i></font>
<br><font size=2 face="sans-serif"><i>## Start Addr =
0x30000000</i></font>
<br><font size=2 face="sans-serif"><i>TCS-PIC-UBOOT=> bootm 0x30000000##
Booting image at 30000000 ...</i></font>
<br><font size=2 face="sans-serif"><i> Image Name: Linux-2.4.25</i></font>
<br><font size=2 face="sans-serif"><i> Image Type: PowerPC
Linux Kernel Image (gzip compressed)</i></font>
<br><font size=2 face="sans-serif"><i> Data Size: 603830
Bytes = 589.7 kB</i></font>
<br><font size=2 face="sans-serif"><i> Load Address: 00000000</i></font>
<br><font size=2 face="sans-serif"><i> Entry Point: 00000000</i></font>
<br><font size=2 face="sans-serif"><i> Verifying Checksum ...
OK</i></font>
<br><font size=2 face="sans-serif"><i> Uncompressing Kernel
Image ... </i></font>
<br>
<br><font size=2 face="sans-serif">The system hangs here and is not able
to uncompress the kernel any further. I have checked in the FAQs provided
in the denx's site, but could not find anything similar to my case.</font>
<br>
<br><font size=2 face="sans-serif">I would appreciate any help.</font>
<br>
<br><font size=2 face="sans-serif">Thanks & Regards,<br>
Pritha Bhattacharya<br>
Tata Consultancy Services Limited<br>
Mailto: pritha.bhattacharya@tcs.com<br>
Website: http://www.tcs.com</font>
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