1 /* $Id: loadmmu.c,v 1.56 2000/02/08 20:24:21 davem Exp $
2  * loadmmu.c:  This code loads up all the mm function pointers once the
3  *             machine type has been determined.  It also sets the static
4  *             mmu values such as PAGE_NONE, etc.
5  *
6  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
7  * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
8  */
9 
10 #include <linux/kernel.h>
11 #include <linux/mm.h>
12 #include <linux/init.h>
13 
14 #include <asm/system.h>
15 #include <asm/page.h>
16 #include <asm/pgtable.h>
17 #include <asm/a.out.h>
18 #include <asm/mmu_context.h>
19 #include <asm/oplib.h>
20 
21 struct ctx_list *ctx_list_pool;
22 struct ctx_list ctx_free;
23 struct ctx_list ctx_used;
24 
25 unsigned int pg_iobits;
26 
27 extern void ld_mmu_sun4c(void);
28 extern void ld_mmu_srmmu(void);
29 extern void ioport_init(void);
30 
load_mmu(void)31 void __init load_mmu(void)
32 {
33 	switch(sparc_cpu_model) {
34 	case sun4c:
35 	case sun4:
36 		ld_mmu_sun4c();
37 		break;
38 	case sun4m:
39 	case sun4d:
40 		ld_mmu_srmmu();
41 		break;
42 	default:
43 		prom_printf("load_mmu: %d unsupported\n", (int)sparc_cpu_model);
44 		prom_halt();
45 	}
46 	btfixup();
47 	ioport_init();
48 }
49