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authorAaron Durbin <adurbin@chromium.org>2016-08-10 11:42:42 -0500
committerMartin Roth <martinroth@google.com>2016-08-19 03:07:05 +0200
commitdcbccd6a1ef1ee70d6e96f01c55c8ed270f37716 (patch)
tree42b75c89383427f56acc3c2f8a44f0b9d9233232 /Makefile.inc
parente8e118dd324e32070a1550e3f8ff90dd6fad72f8 (diff)
downloadcoreboot-dcbccd6a1ef1ee70d6e96f01c55c8ed270f37716.tar.xz
lib/boot_device: add RW boot device construct
The current boot device usage assumes read-only semantics to the boot device. Any time someone wants to write to the boot device a device-specific API is invoked such as SPI flash. Instead, provide a mechanism to retrieve an object that can be used to perform writes to the boot device. On systems where the implementations are symmetric these devices can be treated one-in-the-same. However, for x86 systems with memory mapped SPI the read-only boot device provides different operations. BUG=chrome-os-partner:55932 Change-Id: I0af324824f9e1a8e897c2453c36e865b59c4e004 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/16194 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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