void __init setup_arch(char **cmdline_p)
{
	extern void atlas_setup(void);
	extern void decstation_setup(void);
	extern void ip22_setup(void);
	extern void ip27_setup(void);
	extern void malta_setup(void);
	extern void momenco_ocelot_setup(void);
	extern void momenco_ocelot_g_setup(void);
	extern void momenco_ocelot_c_setup(void);
	extern void momenco_jaguar_atx_setup(void);
	extern void sead_setup(void);
	extern void swarm_setup(void);
	extern void frame_info_init(void);

	frame_info_init();
#ifdef CONFIG_MIPS_ATLAS
	atlas_setup();
#endif
#ifdef CONFIG_DECSTATION
	decstation_setup();
#endif
#ifdef  CONFIG_PMC_YOSEMITE
	pmc_yosemite_setup();
#endif
#ifdef CONFIG_SGI_IP22
	ip22_setup();
#endif
#ifdef CONFIG_SGI_IP27
	ip27_setup();
#endif
#ifdef CONFIG_SIBYTE_BOARD
	swarm_setup();
#endif
#ifdef CONFIG_MIPS_MALTA
	malta_setup();
#endif
#ifdef CONFIG_MIPS_SEAD
	sead_setup();
#endif
#ifdef CONFIG_MOMENCO_OCELOT
	momenco_ocelot_setup();
#endif
#ifdef CONFIG_MOMENCO_OCELOT_G
	momenco_ocelot_g_setup();
#endif
#ifdef CONFIG_MOMENCO_OCELOT_C
	momenco_ocelot_c_setup();
#endif
#ifdef CONFIG_MOMENCO_JAGUAR_ATX
	momenco_jaguar_atx_setup();
#endif

	strncpy(command_line, arcs_cmdline, CL_SIZE);
	memcpy(saved_command_line, command_line, CL_SIZE);
	saved_command_line[CL_SIZE-1] = '\0';

	*cmdline_p = command_line;

	parse_mem_cmdline();

	bootmem_init();

	paging_init();

	resource_init();
}
Exemple #2
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void __init setup_arch(char **cmdline_p)
{
	void atlas_setup(void);
	void baget_setup(void);
	void cobalt_setup(void);
	void ddb_setup(void);
	void decstation_setup(void);
	void deskstation_setup(void);
	void jazz_setup(void);
	void sni_rm200_pci_setup(void);
	void ip22_setup(void);
        void ev96100_setup(void);
	void malta_setup(void);
	void ikos_setup(void);
	void momenco_ocelot_setup(void);
	void nino_setup(void);
	void nec_osprey_setup(void);
	void jmr3927_setup(void);
 	void it8172_setup(void);
	void swarm_setup(void);
	void hp_setup(void);

	unsigned long bootmap_size;
	unsigned long start_pfn, max_pfn, max_low_pfn, first_usable_pfn;
#ifdef CONFIG_BLK_DEV_INITRD
	unsigned long tmp;
	unsigned long* initrd_header;
#endif

	int i;

#ifdef CONFIG_BLK_DEV_FD
	fd_ops = &no_fd_ops;
#endif

#ifdef CONFIG_BLK_DEV_IDE
	ide_ops = &no_ide_ops;
#endif

#ifdef CONFIG_PC_KEYB
	kbd_ops = &no_kbd_ops;
#endif
	
	rtc_ops = &no_rtc_ops;

	switch(mips_machgroup)
	{
#ifdef CONFIG_BAGET_MIPS
	case MACH_GROUP_BAGET: 
		baget_setup();
		break;
#endif
#ifdef CONFIG_MIPS_COBALT
        case MACH_GROUP_COBALT:
                cobalt_setup();
                break;
#endif
#ifdef CONFIG_DECSTATION
	case MACH_GROUP_DEC:
		decstation_setup();
		break;
#endif
#ifdef CONFIG_MIPS_ATLAS
	case MACH_GROUP_UNKNOWN:
		atlas_setup();
		break;
#endif
#ifdef CONFIG_MIPS_JAZZ
	case MACH_GROUP_JAZZ:
		jazz_setup();
		break;
#endif
#ifdef CONFIG_MIPS_MALTA
	case MACH_GROUP_UNKNOWN:
		malta_setup();
		break;
#endif
#ifdef CONFIG_MOMENCO_OCELOT
	case MACH_GROUP_MOMENCO:
		momenco_ocelot_setup();
		break;
#endif
#ifdef CONFIG_SGI_IP22
	/* As of now this is only IP22.  */
	case MACH_GROUP_SGI:
		ip22_setup();
		break;
#endif
#ifdef CONFIG_SNI_RM200_PCI
	case MACH_GROUP_SNI_RM:
		sni_rm200_pci_setup();
		break;
#endif
#ifdef CONFIG_DDB5074
	case MACH_GROUP_NEC_DDB:
		ddb_setup();
		break;
#endif
#ifdef CONFIG_DDB5476
       case MACH_GROUP_NEC_DDB:
               ddb_setup();
               break;
#endif
#ifdef CONFIG_DDB5477
       case MACH_GROUP_NEC_DDB:
               ddb_setup();
               break;
#endif
#ifdef CONFIG_NEC_OSPREY
	case MACH_GROUP_NEC_VR41XX:
		nec_osprey_setup();
		break;
#endif
#ifdef CONFIG_MIPS_EV96100
	case MACH_GROUP_GALILEO:
		ev96100_setup();
		break;
#endif
#ifdef CONFIG_MIPS_EV64120
	case MACH_GROUP_GALILEO:
		ev64120_setup();
		break;
#endif
#if defined(CONFIG_MIPS_IVR) || defined(CONFIG_MIPS_ITE8172)
	case  MACH_GROUP_ITE:
	case  MACH_GROUP_GLOBESPAN:
		it8172_setup();
		break;
#endif  
#ifdef CONFIG_NINO
	case MACH_GROUP_PHILIPS:
		nino_setup();
		break;
#endif
#ifdef CONFIG_MIPS_PB1000
	case MACH_GROUP_ALCHEMY:
		au1000_setup();
		break;
#endif
#ifdef CONFIG_MIPS_PB1500
	case MACH_GROUP_ALCHEMY:
		au1500_setup();
		break;
#endif
#ifdef CONFIG_TOSHIBA_JMR3927
	case MACH_GROUP_TOSHIBA:
		jmr3927_setup();
		break;
#endif
#ifdef CONFIG_SIBYTE_SWARM
	case MACH_GROUP_SIBYTE:
		swarm_setup();
		break;
#endif
#ifdef CONFIG_HP_LASERJET
        case MACH_GROUP_HP_LJ:
                hp_setup();
                break;
#endif
	default:
		panic("Unsupported architecture");
	}

	strncpy(command_line, arcs_cmdline, sizeof command_line);
	command_line[sizeof command_line - 1] = 0;
	strcpy(saved_command_line, command_line);
	*cmdline_p = command_line;

	parse_mem_cmdline();

#define PFN_UP(x)	(((x) + PAGE_SIZE - 1) >> PAGE_SHIFT)
#define PFN_DOWN(x)	((x) >> PAGE_SHIFT)
#define PFN_PHYS(x)	((x) << PAGE_SHIFT)

#define MAXMEM		HIGHMEM_START
#define MAXMEM_PFN	PFN_DOWN(MAXMEM)

#ifdef CONFIG_BLK_DEV_INITRD
	tmp = (((unsigned long)&_end + PAGE_SIZE-1) & PAGE_MASK) - 8; 
	if (tmp < (unsigned long)&_end) 
		tmp += PAGE_SIZE;
	initrd_header = (unsigned long *)tmp;
	if (initrd_header[0] == 0x494E5244) {
		initrd_start = (unsigned long)&initrd_header[2];
		initrd_end = initrd_start + initrd_header[1];
	}
	start_pfn = PFN_UP(__pa((&_end)+(initrd_end - initrd_start) + PAGE_SIZE));
#else
	/*
	 * Partially used pages are not usable - thus
	 * we are rounding upwards.
	 */
	start_pfn = PFN_UP(__pa(&_end));
#endif	/* CONFIG_BLK_DEV_INITRD */

	/* Find the highest page frame number we have available.  */
	max_pfn = 0;
	first_usable_pfn = -1UL;
	for (i = 0; i < boot_mem_map.nr_map; i++) {
		unsigned long start, end;

		if (boot_mem_map.map[i].type != BOOT_MEM_RAM)
			continue;

		start = PFN_UP(boot_mem_map.map[i].addr);
		end = PFN_DOWN(boot_mem_map.map[i].addr
		      + boot_mem_map.map[i].size);

		if (start >= end)
			continue;
		if (end > max_pfn)
			max_pfn = end;
		if (start < first_usable_pfn) {
			if (start > start_pfn) {
				first_usable_pfn = start;
			} else if (end > start_pfn) {
				first_usable_pfn = start_pfn;
			}
		}
	}

	/*
	 * Determine low and high memory ranges
	 */
	max_low_pfn = max_pfn;
	if (max_low_pfn > MAXMEM_PFN) {
		max_low_pfn = MAXMEM_PFN;
#ifndef CONFIG_HIGHMEM
		/* Maximum memory usable is what is directly addressable */
		printk(KERN_WARNING "Warning only %ldMB will be used.\n",
		       MAXMEM>>20);
		printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n");
#endif
	}