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where to modify my system clock in a tqm8xxl model?

U-Boot-Users wang cheng 2 participants 2 messages Nov 1, 2003

lore
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wang cheng

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#0 lore raw

hello,all
Congratulations on the release of the u-boot-1.0.0!Can you tell me
where to set the system clock in a tqm8xxl model? My hyperteminal has displayed this (there are some "printf" added):

U-Boot 0.4.8 (Oct 31 2003 - 15:47:15)

gd->cpu_clk=25000000
immr=0xff002101
pvr=0x500000

CPU:   XPC823xxZTnnB2 at 25 MHz: 2 kB I-Cache 1 kB D-Cache
Board: WindRiver mdppro8xx
DRAM:  16 MB

before relocate_code()

Now I want to set my system clock to 50MHz,but I don't know how to
modify,which file should I modify?I know the gd->cpu_clk is initialized in cpu/mpc8xx/speed.c.
Thank you for your time!

#1 lore raw

Hello,

Quoted 2 lines · iIn message <[email protected]> you wrote:

where to set the system clock in a tqm8xxl model? My hyperteminal has

Umm... I'm confused...

Quoted 9 lines

displayed this (there are some "printf" added):

U-Boot 0.4.8 (Oct 31 2003 - 15:47:15)

gd->cpu_clk=25000000
immr=0xff002101
pvr=0x500000

CPU:   XPC823xxZTnnB2 at 25 MHz: 2 kB I-Cache 1 kB D-Cache
Board: WindRiver mdppro8xx

^^^^^^^^^^^^^^^^^^^^^^^^^^^^

This does not look like a TQM8xxL module at all.

Quoted 2 lines

Now I want to set my system clock to 50MHz,but I don't know how to
modify,which file should I modify?I know the gd->cpu_clk is initi

All these setting are done in the board config file (include/configs/<board>.h)

Best regards,

Wolfgang Denk

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Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
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