x86: Add 64-bit start-up code
authorSimon Glass <sjg@chromium.org>
Mon, 16 Jan 2017 14:03:48 +0000 (07:03 -0700)
committerBin Meng <bmeng.cn@gmail.com>
Mon, 6 Feb 2017 03:38:46 +0000 (11:38 +0800)
commitdca9220c355612beeb5b78ff1c4be54d626fbb5b
treea08e209898c0fb4ef2a696444e25828273adc3ad
parent987116f7f6432f07bcfbbaf5cff6c62503edad1e
x86: Add 64-bit start-up code

Add code to start up U-Boot in 64-bit mode. It is fairly simple since we are
running from RAM and SPL has done the low-level init.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
arch/x86/Makefile
arch/x86/cpu/Makefile
arch/x86/cpu/start64.S [new file with mode: 0644]