summaryrefslogtreecommitdiff
path: root/src/northbridge/intel
diff options
context:
space:
mode:
authorVladimir Serbinenko <phcoder@gmail.com>2014-02-05 23:25:28 +0100
committerVladimir Serbinenko <phcoder@gmail.com>2014-02-06 00:55:13 +0100
commit30fe6120ca8d7211f0055e47d3ecd569a628f2aa (patch)
tree52906b5ed573d84a207e78bf9425988602cf1b97 /src/northbridge/intel
parent7a4fa0a32cf11a0686804afffbcd02827c846fcf (diff)
MTRR: Mark all prefetchable resources as WRCOMB.
Change-Id: I2ecfd9733b65b6160bc2232d22db7b16692a847f Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/5149 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/northbridge/intel')
-rw-r--r--src/northbridge/intel/haswell/gma.c19
-rw-r--r--src/northbridge/intel/nehalem/gma.c3
-rw-r--r--src/northbridge/intel/sandybridge/gma.c19
3 files changed, 2 insertions, 39 deletions
diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c
index 00d7583048..2ceffe4a83 100644
--- a/src/northbridge/intel/haswell/gma.c
+++ b/src/northbridge/intel/haswell/gma.c
@@ -429,29 +429,12 @@ static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
}
}
-static void gma_read_resources(struct device *dev)
-{
- pci_dev_read_resources(dev);
-
-#if CONFIG_MARK_GRAPHICS_MEM_WRCOMB
- struct resource *res;
-
- /* Set the graphics memory to write combining. */
- res = find_resource(dev, PCI_BASE_ADDRESS_2);
- if (res == NULL) {
- printk(BIOS_DEBUG, "gma: memory resource not found.\n");
- return;
- }
- res->flags |= IORESOURCE_WRCOMB;
-#endif
-}
-
static struct pci_operations gma_pci_ops = {
.set_subsystem = gma_set_subsystem,
};
static struct device_operations gma_func0_ops = {
- .read_resources = gma_read_resources,
+ .read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = gma_func0_init,
diff --git a/src/northbridge/intel/nehalem/gma.c b/src/northbridge/intel/nehalem/gma.c
index c7a0e9b941..2f13a6bee6 100644
--- a/src/northbridge/intel/nehalem/gma.c
+++ b/src/northbridge/intel/nehalem/gma.c
@@ -703,9 +703,6 @@ static void gma_read_resources(struct device *dev)
0xd0000001);
pci_write_config32(dev, PCI_BASE_ADDRESS_2 + 4,
0);
-#if CONFIG_MARK_GRAPHICS_MEM_WRCOMB
- res->flags |= IORESOURCE_WRCOMB;
-#endif
res->base = (resource_t) 0xd0000000;
res->size = (resource_t) 0x10000000;
}
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index 853139eddf..b9a07a2d72 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -664,29 +664,12 @@ static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
}
}
-static void gma_read_resources(struct device *dev)
-{
- pci_dev_read_resources(dev);
-
-#if CONFIG_MARK_GRAPHICS_MEM_WRCOMB
- struct resource *res;
-
- /* Set the graphics memory to write combining. */
- res = find_resource(dev, PCI_BASE_ADDRESS_2);
- if (res == NULL) {
- printk(BIOS_DEBUG, "gma: memory resource not found.\n");
- return;
- }
- res->flags |= IORESOURCE_WRCOMB;
-#endif
-}
-
static struct pci_operations gma_pci_ops = {
.set_subsystem = gma_set_subsystem,
};
static struct device_operations gma_func0_ops = {
- .read_resources = gma_read_resources,
+ .read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = gma_func0_init,