Changeset fcc6224 in mainline for boot/arch/arm32/src/mm.c

Timestamp:

2012-03-05T21:37:27Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

161fbda

Parents:

d2707fc

Message:

boot,arm32: Make arm32 bootstrap code BeagleBoard-xM aware.

File:

• boot/arch/arm32/src/mm.c (modified) (1 diff)

boot/arch/arm32/src/mm.c

@@ -67 +67 @@
 static void init_boot_pt(void)
 {
-        pfn_t split_page = 0x800;
-        
+/* BeagleBoard-xM (MD37x) memory starts at 2GB border,
+ * thus mapping only lower 2GB is not not enough.
+ * Map entire AS 1:1 instead and hope it works. */
+#ifdef MACHINE_beagleboardxm
+        const pfn_t split_page = PTL0_ENTRIES;
+#else
+        const pfn_t split_page = 0x800;
+#endif
         /* Create 1:1 virtual-physical mapping (in lower 2 GB). */
         pfn_t page;