[ARM] mm: enable sparsemem on clps7500 and RiscPC

[linux-2.6-omap-h63xx.git] / arch / arm / mach-rpc / include / mach / memory.h

diff --git a/arch/arm/mach-rpc/include/mach/memory.h b/arch/arm/mach-rpc/include/mach/memory.h
index 05425d558ee794518be2bc4508fd48fd20c59d84..9bf7e43e286337f8847a59c79c96303a022d9f45 100644 (file)
--- a/arch/arm/mach-rpc/include/mach/memory.h
+++ b/arch/arm/mach-rpc/include/mach/memory.h
@@ -36,4 +36,12 @@
 #define FLUSH_BASE_PHYS                0x00000000
 #define FLUSH_BASE             0xdf000000
 
+/*
+ * Sparsemem support.  Each section is a maximum of 64MB.  The sections
+ * are offset by 128MB and can cover 128MB, so that gives us a maximum
+ * of 29 physmem bits.
+ */
+#define MAX_PHYSMEM_BITS       29
+#define SECTION_SIZE_BITS      26
+
 #endif