[U-Boot] [PATCH 2/2] x86: Add SMBIOS table support

[Bin Meng]

Hi Simon,

On Sat, Oct 10, 2015 at 1:20 PM, Simon Glass <sjg at chromium.org> wrote:
> Hi Bin,
>
> On 10 October 2015 at 04:38, Bin Meng <bmeng.cn at gmail.com> wrote:
>> Hi Simon,
>>
>> On Fri, Oct 9, 2015 at 9:02 PM, Simon Glass <sjg at chromium.org> wrote:
>>> Hi Bin,
>>>
>>> On 9 October 2015 at 11:17, Bin Meng <bmeng.cn at gmail.com> wrote:
>>>> System Management BIOS (SMBIOS) is a specification for how
>>>> motherboard and system vendors present management information
>>>> about their products in a standard format by extending the BIOS
>>>> interface on Intel architecture systems. As of today the latest
>>>> spec is 3.0 and can be downloaded from DMTF website. This commit
>>>> adds a simple and minimum required implementation.
>>>>
>>>> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
>>>> ---
>>>>
>>>>  arch/x86/Kconfig              |  11 ++
>>>>  arch/x86/include/asm/smbios.h | 181 +++++++++++++++++++++++++++++++
>>>>  arch/x86/lib/Makefile         |   1 +
>>>>  arch/x86/lib/smbios.c         | 242 ++++++++++++++++++++++++++++++++++++++++++
>>>>  arch/x86/lib/tables.c         |   5 +
>>>>  doc/README.x86                |   2 -
>>>>  6 files changed, 440 insertions(+), 2 deletions(-)
>>>>  create mode 100644 arch/x86/include/asm/smbios.h
>>>>  create mode 100644 arch/x86/lib/smbios.c
>
> [snip]
>
>>>> diff --git a/doc/README.x86 b/doc/README.x86
>>>> index a4f5321..18fed82 100644
>>>> --- a/doc/README.x86
>>>> +++ b/doc/README.x86
>>>> @@ -764,7 +764,6 @@ TODO List
>>>>  - Audio
>>>>  - Chrome OS verified boot
>>>>  - SMI and ACPI support, to provide platform info and facilities to Linux
>>>> -- Desktop Management Interface (DMI) [15] support
>>>>
>>>>  References
>>>>  ----------
>>>> @@ -782,4 +781,3 @@ References
>>>>  [12] http://events.linuxfoundation.org/sites/events/files/slides/chromeos_and_diy_vboot_0.pdf
>>>>  [13] http://events.linuxfoundation.org/sites/events/files/slides/elce-2014.pdf
>>>>  [14] doc/device-tree-bindings/misc/intel,irq-router.txt
>>>> -[15] http://en.wikipedia.org/wiki/Desktop_Management_Interface
>>>> --
>>>> 1.8.2.1
>>>>
>>>
>>> It might be worth adding docs to the README about what tables U-Boot
>>> now supports, how to enable each and what is recommended. There are
>>> quite a few now. My head is spinning!
>>>
>>
>> Do you mean what tables in SMBIOS spec are supported by U-Boot, or
>> what tables in PIRQ/MP/ACPI/SMBIOS tables are supported by U-Boot?
>
> I mean the latter. There are quite a few tables and it's not clear
> what should be used/enabled, what tables conflict, what Linux does
> with them, why it needs them, etc.
>

OK, maybe we can document this when ACPI support is ready?

Regards,
Bin