where do 8250 serial port initialize its mapbase and membase when booting?

Michael Ellerman michael at ellerman.id.au
Mon Jun 21 10:13:32 EST 2010


On Mon, 2010-06-21 at 01:27 +0800, wilbur.chan wrote:
> linux 2.6.21.7
> 
> where do serial 8250 port fill its membase and mapbase  fileds  in
> system initializing ?
> 
..
> So I am really confused with serial 8250
> initializing----------------where do kernel apply membase and mapbase
> filed to  8250 port?

Probably serial_dev_init() in legacy_serial.c

cheers
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