示例#1
0
void
prom_init(struct linux_romvec *rp)
{
	romvec = rp;

#if CONFIG_AP1000
        prom_vers = PROM_AP1000;
        prom_meminit();
        prom_ranges_init();
	return;
#endif
	switch(romvec->pv_romvers) {
	case 0:
		prom_vers = PROM_V0;
		break;
	case 2:
		prom_vers = PROM_V2;
		break;
	case 3:
		prom_vers = PROM_V3;
		break;
	case 4:
		prom_vers = PROM_P1275;
		prom_printf("PROMLIB: Sun IEEE Prom not supported yet\n");
		prom_halt();
		break;
	default:
		prom_printf("PROMLIB: Bad PROM version %d\n",
			    romvec->pv_romvers);
		prom_halt();
		break;
	};

	prom_rev = romvec->pv_plugin_revision;
	prom_prev = romvec->pv_printrev;
	prom_nodeops = romvec->pv_nodeops;

	prom_root_node = prom_getsibling(0);
	if((prom_root_node == 0) || (prom_root_node == -1))
		prom_halt();

	if((((unsigned long) prom_nodeops) == 0) || 
	   (((unsigned long) prom_nodeops) == -1))
		prom_halt();

	prom_meminit();

	prom_ranges_init();

	printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n",
	       romvec->pv_romvers, prom_rev);

	/* Initialization successful. */
	return;
}
示例#2
0
__initfunc(void prom_init(void *cif_handler, void *cif_stack))
{
	char buffer[80], *p;
	int ints[3];
	int node;
	int i = 0;

	prom_vers = PROM_P1275;

	prom_cif_init(cif_handler, cif_stack);

	prom_root_node = prom_getsibling(0);
	if((prom_root_node == 0) || (prom_root_node == -1))
		prom_halt();

	prom_chosen_node = prom_finddevice("/chosen");
	if (!prom_chosen_node || prom_chosen_node == -1)
		prom_halt();

	prom_stdin = prom_getint (prom_chosen_node, "stdin");
	prom_stdout = prom_getint (prom_chosen_node, "stdout");

	node = prom_finddevice("/openprom");
	if (!node || node == -1)
		prom_halt();

	prom_getstring (node, "version", buffer, sizeof (buffer));

	prom_printf ("\n");

	if (strncmp (buffer, "OBP ", 4))
		goto strange_version;

	/* Version field is expected to be 'OBP xx.yy.zz date...' */

	p = buffer + 4;
	while (p && isdigit(*p) && i < 3) {
		ints[i++] = simple_strtoul(p, NULL, 0);
		if ((p = strchr(p, '.')) != NULL)
			p++;
	}
	if (i != 3)
		goto strange_version;

	prom_rev = ints[1];
	prom_prev = (ints[0] << 16) | (ints[1] << 8) | ints[2];

	printk ("PROMLIB: Sun IEEE Boot Prom %s\n", buffer + 4);

	prom_meminit();

	prom_ranges_init();

	/* Initialization successful. */
	return;

strange_version:
	prom_printf ("Strange OBP version `%s'.\n", buffer);
	prom_halt ();
}
示例#3
0
void __init prom_init(struct linux_romvec *rp)
{
#ifdef CONFIG_SUN4
	extern struct linux_romvec *sun4_prom_init(void);
	rp = sun4_prom_init();
#endif
	romvec = rp;

	switch(romvec->pv_romvers) {
	case 0:
		prom_vers = PROM_V0;
		break;
	case 2:
		prom_vers = PROM_V2;
		break;
	case 3:
		prom_vers = PROM_V3;
		break;
	case 40:
		prom_vers = PROM_SUN4;
		break;
	default:
		prom_printf("PROMLIB: Bad PROM version %d\n",
			    romvec->pv_romvers);
		prom_halt();
		break;
	};

	prom_rev = romvec->pv_plugin_revision;
	prom_prev = romvec->pv_printrev;
	prom_nodeops = romvec->pv_nodeops;

	prom_root_node = prom_getsibling(0);
	if((prom_root_node == 0) || (prom_root_node == -1))
		prom_halt();

	if((((unsigned long) prom_nodeops) == 0) || 
	   (((unsigned long) prom_nodeops) == -1))
		prom_halt();

	if(prom_vers == PROM_V2 || prom_vers == PROM_V3) {
		prom_stdout = *romvec->pv_v2bootargs.fd_stdout;
		prom_stdin  = *romvec->pv_v2bootargs.fd_stdin;
	}
	
	prom_meminit();

	prom_ranges_init();

#ifndef CONFIG_SUN4
	/* SUN4 prints this in sun4_prom_init */
	printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n",
	       romvec->pv_romvers, prom_rev);
#endif

	/* Initialization successful. */
	return;
}
示例#4
0
void __init prom_init(struct linux_romvec *rp)
{
	romvec = rp;

	switch(romvec->pv_romvers) {
	case 0:
		prom_vers = PROM_V0;
		break;
	case 2:
		prom_vers = PROM_V2;
		break;
	case 3:
		prom_vers = PROM_V3;
		break;
	default:
		prom_printf("PROMLIB: Bad PROM version %d\n",
			    romvec->pv_romvers);
		prom_halt();
		break;
	};

	prom_rev = romvec->pv_plugin_revision;
	prom_prev = romvec->pv_printrev;
	prom_nodeops = romvec->pv_nodeops;

	prom_root_node = prom_getsibling(0);
	if((prom_root_node == 0) || (prom_root_node == -1))
		prom_halt();

	if((((unsigned long) prom_nodeops) == 0) ||
	   (((unsigned long) prom_nodeops) == -1))
		prom_halt();

	prom_meminit();

	prom_ranges_init();

	printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n",
	       romvec->pv_romvers, prom_rev);

	/* Initialization successful. */
}