Leroy P Leahy (leroy.p.leahy@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13856
-gerrit
commit b059850f22028961ffb529a35210c49b67ad996c Author: Lee Leahy leroy.p.leahy@intel.com Date: Sun Feb 28 11:30:17 2016 -0800
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 --- src/soc/intel/quark/northcluster.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/soc/intel/quark/northcluster.c b/src/soc/intel/quark/northcluster.c index 90ea256..b52c3b7 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));