Kyösti Mälkki (kyosti.malkki@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1367
-gerrit
commit 94e805875a650d57b88e1536d3c175cfecf8b1ff Author: Kyösti Mälkki kyosti.malkki@gmail.com Date: Fri Jul 27 08:37:12 2012 +0300
Allocators for different memory regions types
Hide some details of the resource allocator from rest of the world. These should come in handy when fixing some aspects of MTRR setup.
Change-Id: I8acad98f25e56cd8bae64fb52539d81ce94f9c73 Signed-off-by: Kyösti Mälkki kyosti.malkki@gmail.com --- src/devices/device_util.c | 23 +++++------------------ src/include/device/device.h | 19 +++++++++++++++---- 2 files changed, 20 insertions(+), 22 deletions(-)
diff --git a/src/devices/device_util.c b/src/devices/device_util.c index 9362525..6f088b2 100644 --- a/src/devices/device_util.c +++ b/src/devices/device_util.c @@ -795,8 +795,8 @@ void show_all_devs_resources(int debug_level, const char* msg) } }
-void ram_resource(device_t dev, unsigned long index, - unsigned long basek, unsigned long sizek) +void fixed_mem_resource(device_t dev, unsigned long index, + unsigned long basek, unsigned long sizek, unsigned long type) { struct resource *resource;
@@ -806,23 +806,10 @@ void ram_resource(device_t dev, unsigned long index, resource = new_resource(dev, index); resource->base = ((resource_t)basek) << 10; resource->size = ((resource_t)sizek) << 10; - resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | \ - IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; -} - -void uma_resource(device_t dev, unsigned long index, - unsigned long basek, unsigned long sizek) -{ - struct resource *resource; - - if (!sizek) - return; + resource->flags = IORESOURCE_MEM | IORESOURCE_FIXED | + IORESOURCE_STORED | IORESOURCE_ASSIGNED;
- resource = new_resource(dev, index); - resource->base = ((resource_t)basek) << 10; - resource->size = ((resource_t)sizek) << 10; - resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE | IORESOURCE_UMA_FB | - IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; + resource->flags |= type; }
void tolm_test(void *gp, struct device *dev, struct resource *new) diff --git a/src/include/device/device.h b/src/include/device/device.h index 8cc937f..1515b45 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -170,10 +170,21 @@ void pci_domain_read_resources(struct device *dev); unsigned int pci_domain_scan_bus(struct device *dev, unsigned int max); unsigned int scan_static_bus(device_t bus, unsigned int max);
-void ram_resource(device_t dev, unsigned long index, - unsigned long basek, unsigned long sizek); -void uma_resource(device_t dev, unsigned long index, - unsigned long basek, unsigned long sizek); +void fixed_mem_resource(device_t dev, unsigned long index, + unsigned long basek, unsigned long sizek, unsigned long type); + +#define ram_resource(dev, idx, basek, sizek) \ + fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_CACHEABLE) + +#define bad_ram_resource(dev, idx, basek, sizek) \ + fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE | IORESOURCE_CACHEABLE ) + +#define uma_resource(dev, idx, basek, sizek) \ + fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE | IORESOURCE_UMA_FB) + +#define mmio_resource(dev, idx, basek, sizek) \ + fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE) + void tolm_test(void *gp, struct device *dev, struct resource *new); u32 find_pci_tolm(struct bus *bus);