x86: Add more comments to the start-up code
authorSimon Glass <sjg@chromium.org>
Wed, 25 Sep 2019 14:11:44 +0000 (08:11 -0600)
committerBin Meng <bmeng.cn@gmail.com>
Tue, 8 Oct 2019 05:57:36 +0000 (13:57 +0800)
commit08deb6d36f0a830181a3acce5eaece9431a828c0
tree5b60cec6a9ae945d12232e164fa177497d1b8fa3
parent6172e94c3c4729347624626d71e4eaf96ff9dcb9
x86: Add more comments to the start-up code

The full start-up sequence (TPL->SPL->U-Boot) can be a bit confusing since
each phase has its own 'start' file. Add comments to explain this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
arch/x86/cpu/start.S
arch/x86/cpu/start_from_spl.S
arch/x86/cpu/start_from_tpl.S