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x86: coreboot: Control I/O port 0xb2 writing via device tree
authorBin Meng <bmeng.cn@gmail.com>
Wed, 3 Jun 2015 01:20:05 +0000 (09:20 +0800)
committerLothar Waßmann <LW@KARO-electronics.de>
Tue, 8 Sep 2015 20:48:16 +0000 (22:48 +0200)
commit5bda7ec2739fc859012a8141d51b02609972a763
treeba799556dc29e65fb9a33b3c326e663bc04b1c14tree | snapshot
parentcabf0f38ff4bbff287df39f89f4b0f890494d721commit | diff
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>
arch/x86/cpu/coreboot/coreboot.c diff | blob | history
arch/x86/dts/qemu-x86_q35.dts diff | blob | history
UBoot for KaRo TX COM modules