summaryrefslogtreecommitdiff
path: root/src/northbridge/intel/sandybridge
diff options
context:
space:
mode:
authorKyösti Mälkki <kyosti.malkki@gmail.com>2014-05-12 15:00:03 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-05-14 07:30:20 +0200
commita6130fc8f9c00e0c545389b4e407f0b745435a56 (patch)
treee6256608d70f2765c046c706c821d3db80fe5bdb /src/northbridge/intel/sandybridge
parenta823f9b545b4a172c1c0f778b773f9ca13f0791e (diff)
intel: Drop obsolete comments on MTRR usage
Problem with UMA region allocation was fixed when MTRRs changed to use memrange implementation. Change-Id: I420dac30de2836a91596d81f88bb45b46f248532 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5719 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com> Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'src/northbridge/intel/sandybridge')
-rw-r--r--src/northbridge/intel/sandybridge/northbridge.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/src/northbridge/intel/sandybridge/northbridge.c b/src/northbridge/intel/sandybridge/northbridge.c
index 5440140089..1fd252bcc0 100644
--- a/src/northbridge/intel/sandybridge/northbridge.c
+++ b/src/northbridge/intel/sandybridge/northbridge.c
@@ -100,17 +100,6 @@ static void add_fixed_resources(struct device *dev, int index)
struct resource *resource;
u32 pcie_config_base, pcie_config_size;
- /* Using uma_resource() here would fail as base & size cannot
- * be used as-is for a single MTRR. This would cause excessive
- * use of MTRRs.
- *
- * Use of mmio_resource() instead does not create UC holes by using
- * MTRRs, but making these regions uncacheable is taken care of by
- * making sure they do not overlap with any ram_resource().
- *
- * The resources can be changed to use separate mmio_resource()
- * calls after MTRR code is able to merge them wisely.
- */
mmio_resource(dev, index++, uma_memory_base >> 10, uma_memory_size >> 10);
if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) {