#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
+#include <asm/sizes.h>
+
/*
* Physical DRAM offset.
*/
-#define PHYS_OFFSET (0x08000000UL)
+#define PHYS_OFFSET UL(0x08000000)
+
+#ifndef __ASSEMBLY__
+
+static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size)
+{
+ if (node != 0) return;
+ /* Only the first 4 MB (=1024 Pages) are usable for DMA */
+ zone_size[1] = zone_size[0] - 1024;
+ zone_size[0] = 1024;
+ zhole_size[1] = zhole_size[0];
+ zhole_size[0] = 0;
+}
+
+#define arch_adjust_zones(node, size, holes) \
+ __arch_adjust_zones(node, size, holes)
+
+#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1)
+
+#endif
#define __virt_to_bus(x) __virt_to_phys(x)
#define __bus_to_virt(x) __phys_to_virt(x)
+/*
+ * Cache flushing area
+ */
+#define FLUSH_BASE_PHYS 0x80000000
+#define FLUSH_BASE 0xdf000000
+
#endif