On 2012-12-08, Alan Cox wrote:
>> Which kind of configuration is right for ARM? I think the
>> 8250_exar_st16c554.c is for ISA bus board and hence is not suit to me,
>> but I am not sure my understanding is right. Please give me some
>> backgroud information on this field.
>
> You are the one who
> Which kind of configuration is right for ARM? I think the
> 8250_exar_st16c554.c is for ISA bus board and hence is not suit to me,
> but I am not sure my understanding is right. Please give me some
> backgroud information on this field.
You are the one who should have the information for your b
On 2012-12-07, Alan Cox wrote:
>> The UART controller is EXAR ST16C554D. It claims as a 16550
>> compatible controller. Each ST16C554D module contains 4 UART, each of
>> them can be selected via two chip select pad. I think the board
>> hardware, via a CPLD, make the chip selection transparent to
> The UART controller is EXAR ST16C554D. It claims as a 16550
> compatible controller. Each ST16C554D module contains 4 UART, each of
> them can be selected via two chip select pad. I think the board
> hardware, via a CPLD, make the chip selection transparent to the CPU, so
> by a 5-bit address, C
On 2012-12-06, H. Peter Anvin wrote:
> On 12/05/2012 11:56 PM, Woody Wu wrote:
>> Hi, list
>>
>> Does anyone here familiar to the serial 8250 driver?
>>
>> I enabled two uart ports in my board definition, but the ports doesn't
>> appear after I loaded the kernel (3.4.19). I discovered, it failed
On 12/05/2012 11:56 PM, Woody Wu wrote:
Hi, list
Does anyone here familiar to the serial 8250 driver?
I enabled two uart ports in my board definition, but the ports doesn't
appear after I loaded the kernel (3.4.19). I discovered, it failed at
the UART port auto configuration stage, the exact f
6 matches
Mail list logo
