[U-Boot] [PATCH 1/2 v2] misc: Add simple driver to enable the legacy UART on Winbond Super IO chips

Bin Meng bmeng.cn at gmail.com
Tue Jan 26 07:49:06 CET 2016


On Tue, Jan 19, 2016 at 9:15 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
> On Tue, Jan 19, 2016 at 9:05 PM, Stefan Roese <sr at denx.de> wrote:
>> On most x86 boards, the legacy serial ports (io address 0x3f8/0x2f8)
>> are provided by a superio chip connected to the LPC bus. We must
>> program the superio chip so that serial ports are available for us.
>>
>> Signed-off-by: Stefan Roese <sr at denx.de>
>> Cc: Bin Meng <bmeng.cn at gmail.com>
>> Cc: Simon Glass <sjg at chromium.org>
>> ---
>> v2:
>> - Address Bin's comments:
>>   - Make description more generic, so that other functions of this
>>     Winbond super IO chip may be integrated
>>   - Lowercase hex value
>>   - Minor changes to the comments
>>
>>  drivers/misc/Kconfig          |  8 ++++++++
>>  drivers/misc/Makefile         |  1 +
>>  drivers/misc/winbond_w83627.c | 41 +++++++++++++++++++++++++++++++++++++++++
>>  include/winbond_w83627.h      | 35 +++++++++++++++++++++++++++++++++++
>>  4 files changed, 85 insertions(+)
>>  create mode 100644 drivers/misc/winbond_w83627.c
>>  create mode 100644 include/winbond_w83627.h
>>
>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>

applied to u-boot-x86/master, thanks!


More information about the U-Boot mailing list