patch-2.3.99-pre9 linux/include/asm-arm/arch-l7200/memory.h
Next file: linux/include/asm-arm/arch-l7200/param.h
Previous file: linux/include/asm-arm/arch-l7200/irqs.h
Back to the patch index
Back to the overall index
- Lines: 45
- Date:
Mon May 15 12:00:33 2000
- Orig file:
v2.3.99-pre8/linux/include/asm-arm/arch-l7200/memory.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.3.99-pre8/linux/include/asm-arm/arch-l7200/memory.h linux/include/asm-arm/arch-l7200/memory.h
@@ -0,0 +1,44 @@
+/*
+ * linux/include/asm-arm/arch-l7200/memory.h
+ *
+ * Copyright (c) 2000 Steven Hill (sjhill@cotw.com)
+ * Copyright (c) 2000 Rob Scott (rscott@mtrob.fdns.net)
+ *
+ * Changelog:
+ * 03-13-2000 SJH Created
+ * 04-13-2000 RS Changed bus macros for new addr
+ * 05-03-2000 SJH Removed bus macros and fixed virt_to_phys macro
+ */
+#ifndef __ASM_ARCH_MMU_H
+#define __ASM_ARCH_MMU_H
+
+/*
+ * Task size: 3GB
+ */
+#define TASK_SIZE (0xc0000000UL)
+#define TASK_SIZE_26 (0x04000000UL)
+
+/*
+ * Page offset: 3GB
+ */
+#define PAGE_OFFSET (0xc0000000UL)
+
+/*
+ * Physical DRAM offset on the L7200 SDB.
+ */
+#define PHYS_OFFSET (0xf0000000UL)
+
+/*
+ * The DRAM is contiguous.
+ */
+#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)
+
+#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
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)