[ECOS] dual uart driver

[Chi Lam]

 Hi,
 
 I am implementing a 2nd uart driver in eCos on the
 Broadcom BMC91112 mips chip. The first uart driver
 is working fine which is provided by Broadcom. I have
 the following questions on the 2nd uart driver:
 
 1. I plan to use a different uart base address and a
 different interrupt number for the second uart. Can
 I share the same ISR routine for both uarts?
 
 2. In which situation should I use polling and
 interrupt method? I plan to use the interrupt
 method.
 
 3. Where can I get sample implementation for 2 uart
 driver?
 
 Thanks.
 
 Chi Lam



		
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