Aaron Durbin (adurbin@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2891
-gerrit
commit a32d4405dacfa3c930f85dd3a401e02e697f04b8 Author: Aaron Durbin adurbin@chromium.org Date: Fri Mar 22 22:16:58 2013 -0500
resources: introduce IORESOURCE_WRCOMB
Certain MMIO resources can be set to a write-combining cacheable mode to increase performance. Typical resources that use this would be graphics memory.
Change-Id: Icd96c720f86f7e2f19a6461bb23cb323124eb68e Signed-off-by: Aaron Durbin adurbin@chromium.org --- src/include/device/resource.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/include/device/resource.h b/src/include/device/resource.h index 6b66605..4bd9698 100644 --- a/src/include/device/resource.h +++ b/src/include/device/resource.h @@ -21,7 +21,7 @@ * to the bus below. */ #define IORESOURCE_BRIDGE 0x00080000 /* The IO resource has a bus below it. */ - +#define IORESOURCE_WRCOMB 0x00100000 /* Write combining resource. */ #define IORESOURCE_RESERVE 0x10000000 /* The resource needs to be reserved in the coreboot table */ #define IORESOURCE_STORED 0x20000000 /* The IO resource assignment has been stored in the device */ #define IORESOURCE_ASSIGNED 0x40000000 /* An IO resource that has been assigned a value */