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-rw-r--r--src/devices/device_util.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/devices/device_util.c b/src/devices/device_util.c
index c845ecd35d..2c46884d9e 100644
--- a/src/devices/device_util.c
+++ b/src/devices/device_util.c
@@ -730,3 +730,47 @@ void show_all_devs_resources(int debug_level, const char* msg)
show_one_resource(debug_level, dev, res, "");
}
}
+
+void ram_resource(device_t dev, unsigned long index,
+ unsigned long basek, unsigned long sizek)
+{
+ struct resource *resource;
+
+ if (!sizek)
+ return;
+
+ 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 tolm_test(void *gp, struct device *dev, struct resource *new)
+{
+ struct resource **best_p = gp;
+ struct resource *best;
+
+ best = *best_p;
+
+ if (!best || (best->base > new->base))
+ best = new;
+
+ *best_p = best;
+}
+
+u32 find_pci_tolm(struct bus *bus)
+{
+ struct resource *min = NULL;
+ u32 tolm;
+
+ search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM,
+ tolm_test, &min);
+
+ tolm = 0xffffffffUL;
+
+ if (min && tolm > min->base)
+ tolm = min->base;
+
+ return tolm;
+}