howto set omap3530 gpmc_fclk

macro shen

Other Parts Discussed in Thread: OMAP3530

hi:

I use omap3530 gpmc connect a DSP with CS3, The DSP works at 20MHZ, but gpmc works at 166MHZ, How can i set gpmc CS3 to 20MHZ ? Thanks.

macro shen

my_98@sina.com

over 14 years ago

0 kshin over 14 years ago

TI__Genius 16690 points

Hello,

GPMC clock is tied to core clock generated from DPLL3 so you would need to change core clock frequency to change GPMC clock frequency. The supported frequencies are listed in table 4-17, 4-18 and 4-19. Unfortunately, 20 MHz is not a supported frequency.

0 macro shen over 14 years ago in reply to kshin

Prodigy 50 points

hello,

Thanks for your reply, you metioned table 4-17, 4-18 and 4-19, can you tell me the file name which has those tables.

macro shen

0 macro shen over 14 years ago in reply to macro shen

Prodigy 50 points

hello,

How can i let gpmc_fclk lower which is 166MHZ? Please you tell me the step way about it .

Thanks.

macro

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howto set omap3530 gpmc_fclk