patch-2.1.16 linux/arch/sparc/boot/init_me.c
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- Lines: 70
- Date:
Thu Jan 1 02:00:00 1970
- Orig file:
v2.1.15/linux/arch/sparc/boot/init_me.c
- Orig date:
Sun Apr 21 17:32:01 1996
diff -u --recursive --new-file v2.1.15/linux/arch/sparc/boot/init_me.c linux/arch/sparc/boot/init_me.c
@@ -1,69 +0,0 @@
-/* $Id: init_me.c,v 1.3 1996/04/21 10:30:09 davem Exp $
- * init_me.c: Initialize empirical constants and gather some info from
- * the boot prom.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <asm/openprom.h> /* For property declarations and the prom structs */
-#include <asm/oplib.h>
-#include <asm/vac-ops.h>
-
-#include "empirical.h" /* Don't ask... */
-
-#define DEBUG_INIT_ME /* Tell me what's going on */
-
-unsigned int nwindows; /* Set in bare.S */
-unsigned int nwindowsm1;
-unsigned int pac_or_vac; /* 0 means "dunno" 1 means "VAC" 2 means "PAC" */
-unsigned int pvac_size; /* Use the same two variables for a PAC and VAC */
-unsigned int pvac_linesize;
-unsigned int pac_size;
-int num_segmaps;
-int num_contexts;
-unsigned int BOGOMIPS; /* bogosity without the VAC cache on */
-unsigned int BOGOMIPS_WCACHE; /* bogosity with the VAC cache */
-unsigned int delay_factor;
-
-extern int prom_node_root;
-void (*printk)(const char *str, ...);
-
-void init_me(void)
-{
- unsigned int grrr;
-
- printk = romvec->pv_printf;
- prom_node_root = prom_nextnode(0);
- prom_getprop(prom_node_root, "mmu-npmg", &num_segmaps,
- sizeof(unsigned int));
-
- pvac_size = prom_getint_default(prom_node_root, "vac-size", 65536);
-
- pvac_linesize = prom_getint_default(prom_node_root, "vac-linesize", 16);
-
- grrr = prom_getint_default(prom_node_root, "mips-on", 0);
- if(!grrr) {
- grrr = prom_getint_default(prom_node_root, "clock-frequency", 0);
- if(grrr > 15000000 && grrr < 100000000) {
- BOGOMIPS = 3;
- BOGOMIPS_WCACHE = grrr / 1000000;
- } else {
- BOGOMIPS = DEF_BOGO;
- BOGOMIPS_WCACHE = DEF_BOGO;
- }
- } else (BOGOMIPS_WCACHE = grrr,
- BOGOMIPS = prom_getint(prom_node_root, "mips-off"));
-
-#ifdef DEBUG_INIT_ME
- (*(romvec->pv_printf))("\nBOGOMIPS %d\n", (int) BOGOMIPS);
- (*(romvec->pv_printf))("BOGOMIPS_WCACHE %d\n", (int) BOGOMIPS_WCACHE);
- (*(romvec->pv_printf))("pvac_size %d\n", (int) pvac_size);
- (*(romvec->pv_printf))("pvac_linesize %d\n", (int) pvac_linesize);
- (*(romvec->pv_printf))("num_segmaps %d\n", (int) num_segmaps);
-#endif
-
- delay_factor = (BOGOMIPS > 3) ? ((BOGOMIPS - 2) >> 1) : 11;
-
- (*(romvec->pv_printf))("\nLILO: \n");
- return;
-}
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