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authorLee Leahy <leroy.p.leahy@intel.com>2016-02-28 11:30:17 -0800
committerLeroy P Leahy <leroy.p.leahy@intel.com>2016-02-29 05:00:27 +0100
commit79f065a79d4dd7dbfd2844eab5e5ccc68f3ba523 (patch)
treedde28858a2db2027a473ee859fc36e84f44bbaef /src
parenta6de5470fa757f7e9c40d417e7f40551ccdba99c (diff)
downloadcoreboot-79f065a79d4dd7dbfd2844eab5e5ccc68f3ba523.tar.xz
soc/intel/quark: Reserve non-MMIO space
Adjust the memory map to allocate MMIO from non-memory addresses. TEST=None Change-Id: Icb6863665c466e8609af73eb9338165c7d6f46bf Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13856 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/soc/intel/quark/northcluster.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/soc/intel/quark/northcluster.c b/src/soc/intel/quark/northcluster.c
index 90ea256708..b52c3b7e79 100644
--- a/src/soc/intel/quark/northcluster.c
+++ b/src/soc/intel/quark/northcluster.c
@@ -59,7 +59,13 @@ static void nc_read_resources(device_t dev)
size_k = (unsigned long)cbmem_top() - base_k;
ram_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));
- /* cbmem_top -> 4GiB is mmio. */
+ /* cbmem_top -> 0xc0000000 - reserved */
+ base_k += size_k;
+ size_k = 0xc0000000 - base_k;
+ reserved_ram_resource(dev, index++, RES_IN_KIB(base_k),
+ RES_IN_KIB(size_k));
+
+ /* 0xc0000000 -> 4GiB is mmio. */
base_k += size_k;
size_k = 0x100000000ull - base_k;
mmio_resource(dev, index++, RES_IN_KIB(base_k), RES_IN_KIB(size_k));