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(parent: b994efb) | patch
x86: quark: Add routines to access message bus registers
authorBin Meng <bmeng.cn@gmail.com>
Mon, 2 Feb 2015 14:35:24 +0000 (22:35 +0800)
committerSimon Glass <sjg@chromium.org>
Fri, 6 Feb 2015 19:07:40 +0000 (12:07 -0700)
commitfaa832329932c4559a8d03d4212881b6146da5df
tree73eca4c0145611bb2ceb44da0cf0e1d313d3e6fatree | snapshot
parentb994efbd2d515ee0ec50c03191ffb348b197d4f3commit | diff
x86: quark: Add routines to access message bus registers

In the Quark SoC, some chipset commands are accomplished by utilizing
the internal message network within the host bridge (D0:F0). Accesses
to this network are accomplished by populating the message control
register (MCR), Message Control Register eXtension (MCRX) and the
message data register (MDR).

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
arch/x86/cpu/quark/msg_port.c [new file with mode: 0644] blob
arch/x86/include/asm/arch-quark/msg_port.h [new file with mode: 0644] blob
Domain: System / Kernel;