summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMyles Watson <mylesgw@gmail.com>2010-09-09 14:51:17 +0000
committerMyles Watson <mylesgw@gmail.com>2010-09-09 14:51:17 +0000
commite0a000cc12984700c87fea6b153fa4221a125e19 (patch)
tree97cc835b6985c40abae72532063d6491b57eb25b
parent6b247d3ef866704108d7f30a3195db0a72db2095 (diff)
downloadcoreboot-e0a000cc12984700c87fea6b153fa4221a125e19.tar.xz
Add support for reserved regions to resources and coreboot tables.
Signed-off-by: Myles Watson <mylesgw@gmail.com> Acked-by: Myles Watson <mylesgw@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5795 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
-rw-r--r--src/arch/i386/boot/coreboot_table.c17
-rw-r--r--src/include/device/resource.h1
2 files changed, 18 insertions, 0 deletions
diff --git a/src/arch/i386/boot/coreboot_table.c b/src/arch/i386/boot/coreboot_table.c
index f44e3dd500..65510e5471 100644
--- a/src/arch/i386/boot/coreboot_table.c
+++ b/src/arch/i386/boot/coreboot_table.c
@@ -488,6 +488,20 @@ static struct lb_memory *build_lb_mem(struct lb_header *head)
return mem;
}
+static void lb_add_rsvd_range(void *gp, struct device *dev, struct resource *res)
+{
+ struct lb_memory *mem = gp;
+ lb_add_memory_range(mem, LB_MEM_RESERVED, res->base, res->size);
+}
+
+static void add_lb_reserved(struct lb_memory *mem)
+{
+ /* Add reserved ranges */
+ search_global_resources(
+ IORESOURCE_MEM | IORESOURCE_RESERVE, IORESOURCE_MEM | IORESOURCE_RESERVE,
+ lb_add_rsvd_range, mem);
+}
+
#if CONFIG_WRITE_HIGH_TABLES == 1
extern uint64_t high_tables_base, high_tables_size;
#endif
@@ -562,6 +576,9 @@ unsigned long write_coreboot_table(
high_tables_base, high_tables_size);
#endif
+ /* Add reserved regions */
+ add_lb_reserved(mem);
+
#if (CONFIG_HAVE_MAINBOARD_RESOURCES == 1)
add_mainboard_resources(mem);
#endif
diff --git a/src/include/device/resource.h b/src/include/device/resource.h
index 49e218531c..b2e3e995b5 100644
--- a/src/include/device/resource.h
+++ b/src/include/device/resource.h
@@ -20,6 +20,7 @@
* to the bus below.
*/
#define IORESOURCE_BRIDGE 0x00080000 /* The IO resource has a bus below it. */
+#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 */
#define IORESOURCE_FIXED 0x80000000 /* An IO resource the allocator must not change */