[U-Boot] [PATCH 33/39] RFC: x86: dts: Add microcode updates for ivybridge CPU

[Simon Glass]

Hi Bin,

On 9 November 2014 20:02, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Simon,
>
> On Fri, Nov 7, 2014 at 4:20 AM, Simon Glass <sjg at chromium.org> wrote:
>> Add two microcode updates that are provided for this CPU. The updates
>> have been converted to a device tree form.
>>
>> (The license needs to be converted to SPDX)
>>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>>
>>  arch/x86/dts/link.dts               |  10 +
>>  arch/x86/dts/m12206a7_00000028.dtsi | 622 ++++++++++++++++++++++++++++++
>>  arch/x86/dts/m12306a9_00000017.dtsi | 750 ++++++++++++++++++++++++++++++++++++
>>  3 files changed, 1382 insertions(+)
>>  create mode 100644 arch/x86/dts/m12206a7_00000028.dtsi
>>  create mode 100644 arch/x86/dts/m12306a9_00000017.dtsi
>>
>> diff --git a/arch/x86/dts/link.dts b/arch/x86/dts/link.dts
>> index 2e91631..ea4b0ba 100644
>> --- a/arch/x86/dts/link.dts
>> +++ b/arch/x86/dts/link.dts
>> @@ -67,4 +67,14 @@
>>                         };
>>                 };
>>         };
>> +
>> +       microcode {
>> +               update at 0 {
>> +#include "m12206a7_00000028.dtsi"
>> +               };
>> +               update at 1 {
>> +#include "m12306a9_00000017.dtsi"
>> +               };
>> +       };
>> +
>>  };
>> diff --git a/arch/x86/dts/m12206a7_00000028.dtsi b/arch/x86/dts/m12206a7_00000028.dtsi
>> new file mode 100644
>> index 0000000..bcd5248
>> --- /dev/null
>> +++ b/arch/x86/dts/m12206a7_00000028.dtsi
>> @@ -0,0 +1,622 @@
>> +/*
>> + * Copyright (c) <1995-2013>, Intel Corporation.
>> + * All rights reserved.
>> + *
>> + * Redistribution. Redistribution and use in binary form, without modification, are
>> + * permitted provided that the following conditions are met:
>> + *     .Redistributions must reproduce the above copyright notice and the following
>> + * disclaimer in the documentation and/or other materials provided with the
>> + * distribution.
>> + * Neither the name of Intel Corporation nor the names of its suppliers may be used
>> + * to endorse or promote products derived from this software without specific prior
>> + * written permission.
>> + *     .No reverse engineering, decompilation, or disassembly of this software is
>> + * permitted.
>> + *     ."Binary form" includes any format commonly used for electronic conveyance
>> + * which is a reversible, bit-exact translation of binary representation to ASCII or
>> + * ISO text, for example, "uuencode."
>> + *
>> + * DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
>> + * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
>> + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
>> + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>> + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
>> + * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
>> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
>> + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
>> + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
>> + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
>> + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
>> + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>> + *
>> + *---
>> + * This is a device tree fragment. Use #include to add these properties to a
>> + * node.
>> + */
>> +
>> +compatible = "intel,microcode";
>> +intel,header-version = <1>;
>> +intel,update-revision = <0x28>;
>> +intel,date-code = <0x04242012>;
>> +intel,processor-signature = <0x000206a7>;
>> +intel,checksum = <0xf3e9935d>;
>> +intel,loader-revision = <1>;
>> +intel,processor-flags = <0x12>;
>> +
>> +/* The 48-byte public header is omitted. */
>> +data = <
>> +       0x00000000      0x000000a1      0x00020001      0x00000028
>> +       0x00000000      0x00000000      0x20120423      0x000008f1
>> +       0x00000001      0x000206a7      0x00000000      0x00000000
>> +       0x00000000      0x00000000      0x00000000      0x00000000
>> +       0x00000000      0x000008f1      0x00000000      0x00000000
>> +       0x00000000      0x00000000      0x00000000      0x00000000
>
> Do you plan to create a tool to convert the Intel released microcode
> file to dts automatically? Or if not, we need document on how to
> convert the Intel version to dts manually, maybe in the dts-bindings
> documentation.

Yes I think a tool would be great. It could operate on the tar file
that Intel provides. I'll take a look sometime.

Regards,
Simon