* 21-Mar-1999 RMK Renamed to memory.h
* RMK Added TASK_SIZE and PAGE_OFFSET
* 05-Apr-2004 BJD Copied and altered for arch-s3c2410
+ * 17-Mar-2005 LCVR Modified for S3C2400
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
- * Task size: 3GB
+ * DRAM starts at 0x30000000 for S3C2410/S3C2440
+ * and at 0x0C000000 for S3C2400
*/
-#define TASK_SIZE (0xbf000000UL)
-#define TASK_SIZE_26 (0x04000000UL)
-
-/*
- * This decides where the kernel will search for a free chunk of vm
- * space during mmap's.
- */
-#define TASK_UNMAPPED_BASE (0x40000000)
-
-/*
- * Page offset: 3GB
- *
- * DRAM starts at 0x30000000
-*/
-
-#define PAGE_OFFSET (0xc0000000UL)
-#define PHYS_OFFSET (0x30000000UL)
-
-#define __virt_to_phys__is_a_macro
-#define __virt_to_phys(vpage) ((vpage) - PAGE_OFFSET + PHYS_OFFSET)
-#define __phys_to_virt__is_a_macro
-#define __phys_to_virt(ppage) ((ppage) + PAGE_OFFSET - PHYS_OFFSET)
+#ifdef CONFIG_CPU_S3C2400
+#define PHYS_OFFSET UL(0x0C000000)
+#else
+#define PHYS_OFFSET UL(0x30000000)
+#endif
/*
* These are exactly the same on the S3C2410 as the
* physical memory view.
*/
-#define __virt_to_bus__is_a_macro
#define __virt_to_bus(x) __virt_to_phys(x)
-#define __bus_to_virt__is_a_macro
#define __bus_to_virt(x) __phys_to_virt(x)
#endif