diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/common/block/systemagent/systemagent.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/soc/intel/common/block/systemagent/systemagent.c b/src/soc/intel/common/block/systemagent/systemagent.c index ad60159f06..e74c11856b 100644 --- a/src/soc/intel/common/block/systemagent/systemagent.c +++ b/src/soc/intel/common/block/systemagent/systemagent.c @@ -201,8 +201,11 @@ static void sa_add_dram_resources(struct device *dev, int *resource_count) sa_get_mem_map(dev, &sa_map_values[0]); - /* top_of_ram -> TOLUD */ - reserved_ram_from_to(dev, index++, top_of_ram, sa_map_values[SA_TOLUD_REG]); + /* + * top_of_ram -> TOLUD: This contains TSEG which needs to be uncacheable + * for proper operation of the smihandler. + */ + mmio_from_to(dev, index++, top_of_ram, sa_map_values[SA_TOLUD_REG]); /* 4GiB -> TOUUD */ upper_ram_end(dev, index++, sa_map_values[SA_TOUUD_REG]); |