Re: [PATCH V3 2/4] ARM64 LPC: LPC driver implementation on Hip06

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 2016-10-04 at 13:02 +0100, John Garry wrote:
> Right, so I think Zhichang can make the necessary generic changes to 
> 8250 OF driver to support IO port as well as MMIO-based.
> 
> However an LPC-based earlycon driver is still required.
> 
> A note on hip07-based D05 (for those unaware): this does not use 
> LPC-based uart. It uses PL011. The hardware guys have managed some 
> trickery where they loopback the serial line around the BMC/CPLD. But we 
> still need it for hip06 D03 and any other boards which want to use LPC 
> bus for uart.
> 
> A question on SBSA: does it propose how to provide serial via BMC for SOL?

Probably another reason to keep 8250 as a legal option ... The (very
popular) Aspeed BMCs tend to do this via a 8250-looking virtual UART on
LPC.

Cheers,
Ben,

--
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux