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authorStefan Reinauer <stepan@coresystems.de>2009-04-30 13:58:42 +0000
committerStefan Reinauer <stepan@openbios.org>2009-04-30 13:58:42 +0000
commitb5fb0c5c4eda2329d848aedcf4f7e8b6dc8012b2 (patch)
tree9a0897635ecbeab0dd64124cd165d3460174a359 /src/northbridge/via/cn700
parent6841ce653741b3dafe8e3482b4a93adbaee53552 (diff)
Add high tables support to all northbridges.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4238 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/via/cn700')
-rw-r--r--src/northbridge/via/cn700/Config.lb6
-rw-r--r--src/northbridge/via/cn700/northbridge.c13
2 files changed, 19 insertions, 0 deletions
diff --git a/src/northbridge/via/cn700/Config.lb b/src/northbridge/via/cn700/Config.lb
index 6a0b60cfe0..b824a17b75 100644
--- a/src/northbridge/via/cn700/Config.lb
+++ b/src/northbridge/via/cn700/Config.lb
@@ -18,8 +18,14 @@
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
+uses HAVE_HIGH_TABLES
+
config chip.h
+
object vgabios.o
+
driver northbridge.o
driver agp.o
driver vga.o
+
+default HAVE_HIGH_TABLES=1
diff --git a/src/northbridge/via/cn700/northbridge.c b/src/northbridge/via/cn700/northbridge.c
index af914528d9..2d3adf1288 100644
--- a/src/northbridge/via/cn700/northbridge.c
+++ b/src/northbridge/via/cn700/northbridge.c
@@ -163,6 +163,12 @@ static u32 find_pci_tolm(struct bus *bus)
return tolm;
}
+#if HAVE_HIGH_TABLES==1
+/* maximum size of high tables in KB */
+#define HIGH_TABLES_SIZE 64
+extern uint64_t high_tables_base, high_tables_size;
+#endif
+
static void pci_domain_set_resources(device_t dev)
{
/* The order is important to find the correct RAM size. */
@@ -199,6 +205,13 @@ static void pci_domain_set_resources(device_t dev)
/* The PCI hole does does not overlap the memory. */
tolmk = tomk;
}
+
+#if HAVE_HIGH_TABLES == 1
+ high_tables_base = (tolmk - HIGH_TABLES_SIZE) * 1024;
+ high_tables_size = HIGH_TABLES_SIZE* 1024;
+ printk_debug("tom: %lx, high_tables_base: %llx, high_tables_size: %llx\n", tomk*1024, high_tables_base, high_tables_size);
+#endif
+
/* Report the memory regions. */
idx = 10;
/* TODO: Hole needed? */