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soc/intel/common/block/systemagent: Use TOUUD as base for MMIO above 4G

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This change sets the base for MMIO above 4G to TOUDD. It matches what
is used by resource allocator if MMIO resources are allocated above 4G
and also matches the expectation in northbridge.asl. This change
also gets rid of the macro ABOVE_4GB_MEM_BASE_ADDRESS since it is now
unused.

BUG=b:149186922
TEST=Verified that kernel does not complain about MMIO windows above
4G.

Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: Ibbbfbdad867735a43cf57c256bf206a3f040f383
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41155
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Furquan Shaikh
2020-05-07 16:04:16 -07:00
committed by Aaron Durbin
parent 6b95507ec5
commit 1085fee761
7 changed files with 31 additions and 34 deletions
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src/soc/intel/skylake/include/soc/iomap.h
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@@ -61,7 +61,6 @@
#define PTT_TXT_BASE_ADDRESS 0xfed30800
#define PTT_PRESENT 0x00070000
#define ABOVE_4GB_MEM_BASE_ADDRESS (128ULL * GiB)
#define ABOVE_4GB_MEM_BASE_SIZE (64ULL * GiB)
/*