1 files changed, 109 insertions, 0 deletions
diff --git a/arch/mips64/mm/loadmmu.c b/arch/mips64/mm/loadmmu.c
new file mode 100644
index 000000000..a96ab901c
--- /dev/null
+++ b/arch/mips64/mm/loadmmu.c
@@ -0,0 +1,109 @@
+/* $Id$
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1997, 1999 Ralf Baechle (ralf@gnu.org)
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/system.h>
+#include <asm/bootinfo.h>
+#include <asm/sgialib.h>
+
+/* memory functions */
+void (*clear_page)(unsigned long page);
+void (*copy_page)(unsigned long to, unsigned long from);
+
+/* Cache operations. */
+void (*flush_cache_all)(void);
+void (*flush_cache_mm)(struct mm_struct *mm);
+void (*flush_cache_range)(struct mm_struct *mm, unsigned long start,
+			  unsigned long end);
+void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page);
+void (*flush_cache_sigtramp)(unsigned long addr);
+void (*flush_page_to_ram)(unsigned long page);
+
+/* DMA cache operations. */
+void (*dma_cache_wback_inv)(unsigned long start, unsigned long size);
+void (*dma_cache_wback)(unsigned long start, unsigned long size);
+void (*dma_cache_inv)(unsigned long start, unsigned long size);
+
+/* TLB operations. */
+void (*flush_tlb_all)(void);
+void (*flush_tlb_mm)(struct mm_struct *mm);
+void (*flush_tlb_range)(struct mm_struct *mm, unsigned long start,
+			unsigned long end);
+void (*flush_tlb_page)(struct vm_area_struct *vma, unsigned long page);
+
+/* Miscellaneous. */
+void (*load_pgd)(unsigned long pg_dir);
+void (*pgd_init)(unsigned long page);
+void (*update_mmu_cache)(struct vm_area_struct * vma,
+			 unsigned long address, pte_t pte);
+
+void (*show_regs)(struct pt_regs *);
+
+void (*add_wired_entry)(unsigned long entrylo0, unsigned long entrylo1,
+			unsigned long entryhi, unsigned long pagemask);
+
+int (*user_mode)(struct pt_regs *);
+
+asmlinkage void *(*resume)(void *last, void *next);
+
+extern void ld_mmu_r2300(void);
+extern void ld_mmu_r4xx0(void);
+extern void ld_mmu_r6000(void);
+extern void ld_mmu_tfp(void);
+extern void ld_mmu_andes(void);
+
+void __init loadmmu(void)
+{
+	switch(mips_cputype) {
+	case CPU_R4000PC:
+	case CPU_R4000SC:
+	case CPU_R4000MC:
+	case CPU_R4200:
+	case CPU_R4300:
+	case CPU_R4400PC:
+	case CPU_R4400SC:
+	case CPU_R4400MC:
+	case CPU_R4600:
+	case CPU_R4640:
+	case CPU_R4650:
+	case CPU_R4700:
+	case CPU_R5000:
+	case CPU_R5000A:
+	case CPU_NEVADA:
+		printk("Loading R4000 MMU routines.\n");
+		ld_mmu_r4xx0();
+		break;
+
+	case CPU_R8000:
+		printk("Loading TFP MMU routines.\n");
+		ld_mmu_tfp();
+		break;
+
+	case CPU_R10000:
+		printk("Loading R10000 MMU routines.\n");
+		ld_mmu_andes();
+		break;
+
+	default:
+		/* XXX We need an generic routine in the MIPS port
+		 * XXX to jabber stuff onto the screen on all machines
+		 * XXX before the console is setup.  The ARCS prom
+		 * XXX routines look good for this, but only the SGI
+		 * XXX code has a full library for that at this time.
+		 */
+		panic("Yeee, unsupported mmu/cache architecture.");
+	}
+}