diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2015-06-03 01:20:05 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-06-04 09:03:18 (GMT) |
| commit | f2653e8dd92229328480da35c26e6f9fbfec4381 (patch) | |
| tree | 774cce23bd148a5a3d3e831d0823907f7d8486d9 /arch/x86/dts | |
| parent | 683b09d7837a71fb4c5dd53919c6afa4d800e60e (diff) | |
| download | u-boot-f2653e8dd92229328480da35c26e6f9fbfec4381.tar.xz | |
x86: coreboot: Control I/O port 0xb2 writing via device tree
Writing 0xcb to I/O port 0xb2 (Advanced Power Management Control) causes
U-Boot to hang on QEMU q35 target. We introduce a config option in the
device tree "u-boot,no-apm-finalize" under /config node if we don't want
to do that.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/dts')
| -rw-r--r-- | arch/x86/dts/qemu-x86_q35.dts | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/dts/qemu-x86_q35.dts b/arch/x86/dts/qemu-x86_q35.dts index 6c89283..02a483c 100644 --- a/arch/x86/dts/qemu-x86_q35.dts +++ b/arch/x86/dts/qemu-x86_q35.dts @@ -15,6 +15,7 @@ config { silent_console = <0>; + u-boot,no-apm-finalize; }; chosen { |