Example #1
0
static int __init init_soleng_maps(void)
{
	int nr_parts = 0;

	/* First probe at offset 0 */
	soleng_flash_map.phys = 0;
	soleng_flash_map.virt = (void __iomem *)P2SEGADDR(0);
	soleng_eprom_map.phys = 0x01000000;
	soleng_eprom_map.virt = (void __iomem *)P1SEGADDR(0x01000000);
	simple_map_init(&soleng_eprom_map);
	simple_map_init(&soleng_flash_map);

	printk(KERN_NOTICE "Probing for flash chips at 0x00000000:\n");
	flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map);
	if (!flash_mtd) {
		/* Not there. Try swapping */
		printk(KERN_NOTICE "Probing for flash chips at 0x01000000:\n");
		soleng_flash_map.phys = 0x01000000;
		soleng_flash_map.virt = P2SEGADDR(0x01000000);
		soleng_eprom_map.phys = 0;
		soleng_eprom_map.virt = P1SEGADDR(0);
		flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map);
		if (!flash_mtd) {
			/* Eep. */
			printk(KERN_NOTICE "Flash chips not detected at either possible location.\n");
			return -ENXIO;
		}
	}
	printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n",
	       soleng_flash_map.phys & 0x1fffffff,
	       soleng_eprom_map.phys & 0x1fffffff);
	flash_mtd->owner = THIS_MODULE;

	eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map);
	if (eprom_mtd) {
		eprom_mtd->owner = THIS_MODULE;
		add_mtd_device(eprom_mtd);
	}

	nr_parts = parse_mtd_partitions(flash_mtd, probes, &parsed_parts, 0);

#ifdef CONFIG_MTD_SUPERH_RESERVE
	if (nr_parts <= 0) {
		printk(KERN_NOTICE "Using configured partition at 0x%08x.\n",
		       CONFIG_MTD_SUPERH_RESERVE);
		parsed_parts = superh_se_partitions;
		nr_parts = sizeof(superh_se_partitions)/sizeof(*parsed_parts);
	}
#endif /* CONFIG_MTD_SUPERH_RESERVE */

	if (nr_parts > 0)
		add_mtd_partitions(flash_mtd, parsed_parts, nr_parts);
	else
		add_mtd_device(flash_mtd);

	return 0;
}
/*
 * Initialize FLASH support
 */
static int __init h720x_mtd_init(void)
{

	char	*part_type = NULL;

	h720x_map.virt = ioremap(h720x_map.phys, h720x_map.size);

	if (!h720x_map.virt) {
		printk(KERN_ERR "H720x-MTD: ioremap failed\n");
		return -EIO;
	}

	simple_map_init(&h720x_map);

	// Probe for flash bankwidth 4
	printk (KERN_INFO "H720x-MTD probing 32bit FLASH\n");
	mymtd = do_map_probe("cfi_probe", &h720x_map);
	if (!mymtd) {
		printk (KERN_INFO "H720x-MTD probing 16bit FLASH\n");
	    // Probe for bankwidth 2
	    h720x_map.bankwidth = 2;
	    mymtd = do_map_probe("cfi_probe", &h720x_map);
	}

	if (mymtd) {
		mymtd->owner = THIS_MODULE;

<<<<<<< HEAD
		nr_mtd_parts = parse_mtd_partitions(mymtd, probes, &mtd_parts, 0);
		if (nr_mtd_parts > 0)
			part_type = "command line";
=======
static int __init
init_beech_mtd(void)
{
	int err;

	printk("%s: 0x%08x at 0x%08x\n", NAME, SIZE, PADDR);

	beech_mtd_map.virt = ioremap(PADDR, SIZE);

	if (!beech_mtd_map.virt) {
		printk("%s: failed to ioremap 0x%x\n", NAME, PADDR);
		return -EIO;
	}

	simple_map_init(&beech_mtd_map);

	printk("%s: probing %d-bit flash bus\n", NAME, BUSWIDTH * 8);
	beech_mtd = do_map_probe("cfi_probe", &beech_mtd_map);

	if (!beech_mtd) {
		iounmap(beech_mtd_map.virt);
		return -ENXIO;
	}

	beech_mtd->owner = THIS_MODULE;

	err = add_mtd_partitions(beech_mtd, beech_partitions, 2);
	if (err) {
		printk("%s: add_mtd_partitions failed\n", NAME);
		iounmap(beech_mtd_map.virt);
	}

	return err;
}
Example #4
0
static int __init init_dbox2_flash(void)
{
;
	dbox2_flash_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);

	if (!dbox2_flash_map.virt) {
;
		return -EIO;
	}
	simple_map_init(&dbox2_flash_map);

	// Probe for dual Intel 28F320 or dual AMD
	mymtd = do_map_probe("cfi_probe", &dbox2_flash_map);
	if (!mymtd) {
	    // Probe for single Intel 28F640
	    dbox2_flash_map.bankwidth = 2;

	    mymtd = do_map_probe("cfi_probe", &dbox2_flash_map);
	}

	if (mymtd) {
		mymtd->owner = THIS_MODULE;

                /* Create MTD devices for each partition. */
		mtd_device_register(mymtd, partition_info, NUM_PARTITIONS);

		return 0;
	}

	iounmap((void *)dbox2_flash_map.virt);
	return -ENXIO;
}
Example #5
0
int __init init_flagadm(void)
{	
	printk(KERN_NOTICE "COBRA5272 flash device: %x at %x\n",
			FLASH_SIZE, FLASH_PHYS_ADDR);
	
	flagadm_map.phys = FLASH_PHYS_ADDR;
	flagadm_map.virt = ioremap(FLASH_PHYS_ADDR,
					FLASH_SIZE);

	if (!flagadm_map.virt) {
		printk("Failed to ioremap\n");
		return -EIO;
	}

	simple_map_init(&flagadm_map);

	mymtd = do_map_probe("cfi_probe", &flagadm_map);
	if (mymtd) {
		mymtd->owner = THIS_MODULE;
		add_mtd_partitions(mymtd, flagadm_parts, PARTITION_COUNT);
		printk(KERN_NOTICE "COBRA5272 flash device initialized\n");
		return 0;
	}

	iounmap((void *)flagadm_map.virt);
	return -ENXIO;
}
static int __init init_opb_mtd(void) {

	map_bank.virt = ioremap(map_bank.phys, map_bank.size);
	if (!map_bank.virt) {
		printk("OPB Flash: failed to ioremap\n");
		return -EIO;
	}

	simple_map_init(&map_bank);
		
	mtd_bank = do_map_probe("cfi_probe", &map_bank);
	if (!mtd_bank) {
		printk("OPB Flash: failed to find a mapping\n");
		iounmap(map_bank.virt);
		map_bank.virt = 0;
		return -ENXIO;
	}

	mtd_bank->owner = THIS_MODULE;

	printk("Registering a %ldMB OPB Flash at 0x%lX\n",
	       map_bank.size >> 20, map_bank.phys);

	add_mtd_device(mtd_bank);

	return 0;
}
Example #7
0
static int __init init_ts5500_map(void)
{
	int rc = 0;

	ts5500_map.virt = ioremap_nocache(ts5500_map.phys, ts5500_map.size);

	if (!ts5500_map.virt) {
		printk(KERN_ERR "Failed to ioremap_nocache\n");
		rc = -EIO;
		goto err2;
	}

	simple_map_init(&ts5500_map);

	mymtd = do_map_probe("jedec_probe", &ts5500_map);
	if (!mymtd)
		mymtd = do_map_probe("map_rom", &ts5500_map);

	if (!mymtd) {
		rc = -ENXIO;
		goto err1;
	}

	mymtd->owner = THIS_MODULE;
	add_mtd_partitions(mymtd, ts5500_partitions, NUM_PARTITIONS);

	return 0;

err1:
	map_destroy(mymtd);
	iounmap(ts5500_map.virt);
err2:

	return rc;
}
static int __init init_netsc520(void)
{
	printk(KERN_NOTICE "NetSc520 flash device: 0x%lx at 0x%lx\n", netsc520_map.size, netsc520_map.phys);
	netsc520_map.virt = (unsigned long)ioremap_nocache(netsc520_map.phys, netsc520_map.size);

	if (!netsc520_map.virt) {
		printk("Failed to ioremap_nocache\n");
		return -EIO;
	}

	simple_map_init(&netsc520_map);

	mymtd = do_map_probe("cfi_probe", &netsc520_map);
	if(!mymtd)
		mymtd = do_map_probe("map_ram", &netsc520_map);
	if(!mymtd)
		mymtd = do_map_probe("map_rom", &netsc520_map);

	if (!mymtd) {
		iounmap((void *)netsc520_map.virt);
		return -ENXIO;
	}
		
	mymtd->owner = THIS_MODULE;
	add_mtd_partitions( mymtd, partition_info, NUM_PARTITIONS );
	return 0;
}
/**
 * Module/ driver initialization.
 *
 * Returns Zero on success
 */
static int __init flash_init(void)
{
	/*
	 * Read the bootbus region 0 setup to determine the base
	 * address of the flash.
	 */
	union cvmx_mio_boot_reg_cfgx region_cfg;
	region_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(0));
	if (region_cfg.s.en) {
		/*
		 * The bootloader always takes the flash and sets its
		 * address so the entire flash fits below
		 * 0x1fc00000. This way the flash aliases to
		 * 0x1fc00000 for booting. Software can access the
		 * full flash at the true address, while core boot can
		 * access 4MB.
		 */
		/* Use this name so old part lines work */
		flash_map.name = "phys_mapped_flash";
		flash_map.phys = region_cfg.s.base << 16;
		flash_map.size = 0x1fc00000 - flash_map.phys;
		flash_map.bankwidth = 1;
		flash_map.virt = ioremap(flash_map.phys, flash_map.size);
		pr_notice("Bootbus flash: Setting flash for %luMB flash at "
			  "0x%08llx\n", flash_map.size >> 20, flash_map.phys);
		simple_map_init(&flash_map);
		mymtd = do_map_probe("cfi_probe", &flash_map);
		if (mymtd) {
			mymtd->owner = THIS_MODULE;
			mtd_device_parse_register(mymtd, part_probe_types,
						  NULL, NULL, 0);
		} else {
			pr_err("Failed to register MTD device for flash\n");
		}
	}
Example #10
0
static int __init init_rpxlite(void)
{
#ifdef CONFIG_DEBUG_PRINTK
	printk(KERN_NOTICE "RPX Lite or CLLF flash device: %x at %x\n", WINDOW_SIZE*4, WINDOW_ADDR);
#else
	;
#endif
	rpxlite_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE * 4);

	if (!rpxlite_map.virt) {
#ifdef CONFIG_DEBUG_PRINTK
		printk("Failed to ioremap\n");
#else
		;
#endif
		return -EIO;
	}
	simple_map_init(&rpxlite_map);
	mymtd = do_map_probe("cfi_probe", &rpxlite_map);
	if (mymtd) {
		mymtd->owner = THIS_MODULE;
		mtd_device_register(mymtd, NULL, 0);
		return 0;
	}

	iounmap((void *)rpxlite_map.virt);
	return -ENXIO;
}
Example #11
0
static int __init init_ts5500_map(void)
{
	int rc = 0;

	ts5500_map.virt = ioremap_nocache(ts5500_map.phys, ts5500_map.size);

	if (!ts5500_map.virt) {
;
		rc = -EIO;
		goto err2;
	}

	simple_map_init(&ts5500_map);

	mymtd = do_map_probe("jedec_probe", &ts5500_map);
	if (!mymtd)
		mymtd = do_map_probe("map_rom", &ts5500_map);

	if (!mymtd) {
		rc = -ENXIO;
		goto err1;
	}

	mymtd->owner = THIS_MODULE;
	mtd_device_register(mymtd, ts5500_partitions, NUM_PARTITIONS);

	return 0;

err1:
	iounmap(ts5500_map.virt);
err2:
	return rc;
}
Example #12
0
int __init init_dbox2_flash(void)
{
       	printk(KERN_NOTICE "D-Box 2 flash driver (size->0x%X mem->0x%X)\n", WINDOW_SIZE, WINDOW_ADDR);
	dbox2_flash_map.virt = (unsigned long)ioremap(WINDOW_ADDR, WINDOW_SIZE);

	if (!dbox2_flash_map.virt) {
		printk("Failed to ioremap\n");
		return -EIO;
	}
	simple_map_init(&dbox2_flash_map);

	// Probe for dual Intel 28F320 or dual AMD
	mymtd = do_map_probe("cfi_probe", &dbox2_flash_map);
	if (!mymtd) {
	    // Probe for single Intel 28F640
	    dbox2_flash_map.buswidth = 2;
	
	    mymtd = do_map_probe("cfi_probe", &dbox2_flash_map);
	}
	    
	if (mymtd) {
		mymtd->owner = THIS_MODULE;

                /* Create MTD devices for each partition. */
	        add_mtd_partitions(mymtd, partition_info, NUM_PARTITIONS);
		
		return 0;
	}

	iounmap((void *)dbox2_flash_map.virt);
	return -ENXIO;
}
Example #13
0
int __init pb1xxx_mtd_init(void)
{
	struct mtd_partition *parts;
	int nb_parts = 0;
	char *part_type;
	
	/*
	 * Static partition definition selection
	 */
	part_type = "static";
	parts = pb1xxx_partitions;
	nb_parts = ARRAY_SIZE(pb1xxx_partitions);

	/*
	 * Now let's probe for the actual flash.  Do it here since
	 * specific machine settings might have been set above.
	 */
	printk(KERN_NOTICE "Pb1xxx flash: probing %d-bit flash bus\n", 
			BUSWIDTH*8);
	pb1xxx_mtd_map.virt = (unsigned long)ioremap(WINDOW_ADDR, WINDOW_SIZE);

	simple_map_init(&pb1xxx_mtd_map);

	pb1xxx_mtd = do_map_probe("cfi_probe", &pb1xxx_mtd_map);
	if (!pb1xxx_mtd) return -ENXIO;
	pb1xxx_mtd->owner = THIS_MODULE;

	add_mtd_partitions(pb1xxx_mtd, parts, nb_parts);
	return 0;
}
static int __init h720x_mtd_init(void)
{
	h720x_map.virt = ioremap(h720x_map.phys, h720x_map.size);

	if (!h720x_map.virt) {
		printk(KERN_ERR "H720x-MTD: ioremap failed\n");
		return -EIO;
	}

	simple_map_init(&h720x_map);

	//                            
	printk (KERN_INFO "H720x-MTD probing 32bit FLASH\n");
	mymtd = do_map_probe("cfi_probe", &h720x_map);
	if (!mymtd) {
		printk (KERN_INFO "H720x-MTD probing 16bit FLASH\n");
	    //                      
	    h720x_map.bankwidth = 2;
	    mymtd = do_map_probe("cfi_probe", &h720x_map);
	}

	if (mymtd) {
		mymtd->owner = THIS_MODULE;

		mtd_device_parse_register(mymtd, NULL, NULL,
					  h720x_partitions, NUM_PARTITIONS);
		return 0;
	}

	iounmap((void *)h720x_map.virt);
	return -ENXIO;
}
Example #15
0
int __init mtx1_mtd_init(void)
{
	int ret = -ENXIO;

	simple_map_init(&mtx1_map);

	mtx1_map.virt = ioremap(mtx1_map.phys, mtx1_map.size);
	if (!mtx1_map.virt)
		return -EIO;

	mtx1_mtd = do_map_probe("cfi_probe", &mtx1_map);
	if (!mtx1_mtd)
		goto err;

	mtx1_mtd->owner = THIS_MODULE;

	ret = add_mtd_partitions(mtx1_mtd, mtx1_partitions,
			ARRAY_SIZE(mtx1_partitions));
	if (ret)
		goto err;

	return 0;

err:
       iounmap(mtx1_map.virt);
       return ret;
}
Example #16
0
static int __init init_str8100_mtd(void)
{
	struct mtd_partition *parts;
	int nb_parts = 0;

	str8100_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
	if (!str8100_map.virt) {
		printk("Failed to ioremap\n");
		return -EIO;
	}
	simple_map_init(&str8100_map);

	mymtd = do_map_probe("cfi_probe", &str8100_map);
	if (!mymtd) {
		iounmap((void *)str8100_map.virt);
		return -ENXIO;
	}

	mymtd->owner = THIS_MODULE;
	add_mtd_device(mymtd);

#ifdef CONFIG_MTD_PARTITIONS
	parts = str8100_partitions;
	nb_parts = ARRAY_SIZE(str8100_partitions);
	add_mtd_partitions(mymtd, parts, nb_parts);
#endif

	return 0;
}
static int __init init_redwood_flash(void)
{
	int err;

	printk(KERN_NOTICE "redwood: flash mapping: %x at %x\n",
			WINDOW_SIZE, WINDOW_ADDR);

	redwood_flash_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);

	if (!redwood_flash_map.virt) {
		printk("init_redwood_flash: failed to ioremap\n");
		return -EIO;
	}
	simple_map_init(&redwood_flash_map);

	redwood_mtd = do_map_probe("cfi_probe",&redwood_flash_map);

	if (redwood_mtd) {
		redwood_mtd->owner = THIS_MODULE;
		err = add_mtd_partitions(redwood_mtd,
				redwood_flash_partitions,
				NUM_REDWOOD_FLASH_PARTITIONS);
		if (err) {
			printk("init_redwood_flash: add_mtd_partitions failed\n");
			iounmap(redwood_flash_map.virt);
		}
		return err;

	}

	iounmap(redwood_flash_map.virt);
	return -ENXIO;
}
Example #18
0
static int __init omapflash_probe(struct platform_device *pdev)
{
	int err;
	struct omapflash_info *info;
	struct flash_platform_data *pdata = pdev->dev.platform_data;
	struct resource *res = pdev->resource;
	unsigned long size = res->end - res->start + 1;

	info = kzalloc(sizeof(struct omapflash_info), GFP_KERNEL);
	if (!info)
		return -ENOMEM;

	if (!request_mem_region(res->start, size, "flash")) {
		err = -EBUSY;
		goto out_free_info;
	}

	info->map.virt		= ioremap(res->start, size);
	if (!info->map.virt) {
		err = -ENOMEM;
		goto out_release_mem_region;
	}
	info->map.name		= pdev->dev.bus_id;
	info->map.phys		= res->start;
	info->map.size		= size;
	info->map.bankwidth	= pdata->width;
	info->map.set_vpp	= omap_set_vpp;

	simple_map_init(&info->map);
	info->mtd = do_map_probe(pdata->map_name, &info->map);
	if (!info->mtd) {
		err = -EIO;
		goto out_iounmap;
	}
	info->mtd->owner = THIS_MODULE;

#ifdef CONFIG_MTD_PARTITIONS
	err = parse_mtd_partitions(info->mtd, part_probes, &info->parts, 0);
	if (err > 0)
		add_mtd_partitions(info->mtd, info->parts, err);
	else if (err <= 0 && pdata->parts)
		add_mtd_partitions(info->mtd, pdata->parts, pdata->nr_parts);
	else
#endif
		add_mtd_device(info->mtd);

	platform_set_drvdata(pdev, info);

	return 0;

out_iounmap:
	iounmap(info->map.virt);
out_release_mem_region:
	release_mem_region(res->start, size);
out_free_info:
	kfree(info);

	return err;
}
Example #19
0
static int __init
dm270_init_flash (void)   
{
	struct mtd_partition *parts;
	int nb_parts = 0;
	int parsed_nr_parts = 0;
	const char *part_type;
 
	/*
	 * Static partition definition selection
	 */
	part_type = "static";

 	parts = dm270_partitions;
	nb_parts = ARRAY_SIZE(dm270_partitions);
	dm270_map_flash.virt = phys_to_virt(dm270_map_flash.phys);

	simple_map_init(&dm270_map_flash);
	/*
	 * Now let's probe for the actual flash.  Do it here since
	 * specific machine settings might have been set above.
	 */
	printk(KERN_NOTICE "DM270 flash: probing %d-bit flash bus\n",
		dm270_map_flash.bankwidth*8);
	dm270_flash_mtd = do_map_probe("cfi_probe", &dm270_map_flash);
	if (!dm270_flash_mtd) {
		return -ENXIO;
	}
	dm270_flash_mtd->owner = THIS_MODULE;
 
	/*
	 * Dynamic partition selection stuff (might override the static ones)
	 */
	if (dm270_partition_types[0]) {
		parsed_nr_parts = parse_mtd_partitions(dm270_flash_mtd,
				dm270_partition_types, &parsed_parts,
				CONFIG_FLASH_MEM_BASE);
	}
 	if (parsed_nr_parts > 0) {
		part_type = "dynamic";
		parts = parsed_parts;
		nb_parts = parsed_nr_parts;
	}

	if (nb_parts == 0) {
		printk(KERN_NOTICE "DM270 flash: no partition info available,"
			"registering whole flash at once\n");
		if (add_mtd_device(dm270_flash_mtd)) {
			return -ENXIO;
		}
	} else {
		printk(KERN_NOTICE "Using %s partition definition\n",
			part_type);
		return add_mtd_partitions(dm270_flash_mtd, parts, nb_parts);
	}
	return 0;
}
Example #20
0
int __init init_taihu_flash(void)
{

	printk(KERN_NOTICE "taihu: bootflash mapping: %x at %x\n",
	       BOOTWINDOW_SIZE, BOOTWINDOW_ADDR);
	taihu_bootflash_map.virt = ioremap(BOOTWINDOW_ADDR, BOOTWINDOW_SIZE);
	if (!taihu_bootflash_map.virt) {
		printk("init_taihu_flash: failed to ioremap for bootflash\n");
		return -EIO;
	}
	simple_map_init(&taihu_bootflash_map);
	taihu_mtd = do_map_probe("cfi_probe", &taihu_bootflash_map);
	if (taihu_mtd) {
		taihu_mtd->owner = THIS_MODULE;
		add_mtd_partitions(taihu_mtd,
				   taihu_bootflash_partitions,
				   ARRAY_SIZE(taihu_bootflash_partitions));
	} else {
		printk("map probe failed (bootflash)\n");
		return -ENXIO;
	}

	printk(KERN_NOTICE "taihu: appflash mapping: %x at %x\n",
	       APPWINDOW_SIZE, APPWINDOW_ADDR);
	taihu_appflash_map.virt = ioremap(APPWINDOW_ADDR, APPWINDOW_SIZE);
	if (!taihu_appflash_map.virt) {
		printk("init_taihu_flash: failed to ioremap for appflash\n");
		return -EIO;
	}
	simple_map_init(&taihu_appflash_map);
	taihu_mtd = do_map_probe("cfi_probe", &taihu_appflash_map);
	if (taihu_mtd) {
		taihu_mtd->owner = THIS_MODULE;
		add_mtd_partitions(taihu_mtd,
				   taihu_appflash_partitions,
				   ARRAY_SIZE(taihu_appflash_partitions));
	} else {
		printk("map probe failed (appflash)\n");
		return -ENXIO;
	}

	return 0;
}
Example #21
0
static int __init init_autcpu12_sram (void)
{
	int err, save0, save1;

	autcpu12_sram_map.virt = ioremap(0x12000000, SZ_128K);
	if (!autcpu12_sram_map.virt) {
		printk("Failed to ioremap autcpu12 NV-RAM space\n");
		err = -EIO;
		goto out;
	}
	simple_map_init(&autcpu_sram_map);

	
	save0 = map_read32(&autcpu12_sram_map,0);
	save1 = map_read32(&autcpu12_sram_map,0x10000);
	map_write32(&autcpu12_sram_map,~save0,0x10000);
	
	if ( map_read32(&autcpu12_sram_map,0) != save0) {
		map_write32(&autcpu12_sram_map,save0,0x0);
		goto map;
	}
	
	map_write32(&autcpu12_sram_map,save1,0x10000);
	autcpu12_sram_map.size = SZ_128K;

map:
	sram_mtd = do_map_probe("map_ram", &autcpu12_sram_map);
	if (!sram_mtd) {
		printk("NV-RAM probe failed\n");
		err = -ENXIO;
		goto out_ioremap;
	}

	sram_mtd->owner = THIS_MODULE;
	sram_mtd->erasesize = 16;

	if (add_mtd_device(sram_mtd)) {
		printk("NV-RAM device addition failed\n");
		err = -ENOMEM;
		goto out_probe;
	}

	printk("NV-RAM device size %ldKiB registered on AUTCPU12\n",autcpu12_sram_map.size/SZ_1K);

	return 0;

out_probe:
	map_destroy(sram_mtd);
	sram_mtd = 0;

out_ioremap:
	iounmap((void *)autcpu12_sram_map.virt);
out:
	return err;
}
Example #22
0
static int __init init_sc520cdp(void)
{
	int i, devices_found = 0;

#ifdef REPROGRAM_PAR
	/* reprogram PAR registers so flash appears at the desired addresses */
	sc520cdp_setup_par();
#endif

	for (i = 0; i < NUM_FLASH_BANKS; i++) {
#ifdef CONFIG_DEBUG_PRINTK
		printk(KERN_NOTICE "SC520 CDP flash device: 0x%Lx at 0x%Lx\n",
			(unsigned long long)sc520cdp_map[i].size,
			(unsigned long long)sc520cdp_map[i].phys);
#else
		;
#endif

		sc520cdp_map[i].virt = ioremap_nocache(sc520cdp_map[i].phys, sc520cdp_map[i].size);

		if (!sc520cdp_map[i].virt) {
#ifdef CONFIG_DEBUG_PRINTK
			printk("Failed to ioremap_nocache\n");
#else
			;
#endif
			return -EIO;
		}

		simple_map_init(&sc520cdp_map[i]);

		mymtd[i] = do_map_probe("cfi_probe", &sc520cdp_map[i]);
		if(!mymtd[i])
			mymtd[i] = do_map_probe("jedec_probe", &sc520cdp_map[i]);
		if(!mymtd[i])
			mymtd[i] = do_map_probe("map_rom", &sc520cdp_map[i]);

		if (mymtd[i]) {
			mymtd[i]->owner = THIS_MODULE;
			++devices_found;
		}
		else {
			iounmap(sc520cdp_map[i].virt);
		}
	}
	if(devices_found >= 2) {
		/* Combine the two flash banks into a single MTD device & register it: */
		merged_mtd = mtd_concat_create(mymtd, 2, "SC520CDP Flash Banks #0 and #1");
		if(merged_mtd)
			mtd_device_register(merged_mtd, NULL, 0);
	}
	if(devices_found == 3) /* register the third (DIL-Flash) device */
		mtd_device_register(mymtd[2], NULL, 0);
	return(devices_found ? 0 : -ENXIO);
}
static int __init init_soleng_maps(void)
{
	/* First probe at offset 0 */
	soleng_flash_map.phys = 0;
	soleng_flash_map.virt = (void __iomem *)P2SEGADDR(0);
	soleng_eprom_map.phys = 0x01000000;
	soleng_eprom_map.virt = (void __iomem *)P1SEGADDR(0x01000000);
	simple_map_init(&soleng_eprom_map);
	simple_map_init(&soleng_flash_map);

	printk(KERN_NOTICE "Probing for flash chips at 0x00000000:\n");
	flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map);
	if (!flash_mtd) {
		/* Not there. Try swapping */
		printk(KERN_NOTICE "Probing for flash chips at 0x01000000:\n");
		soleng_flash_map.phys = 0x01000000;
		soleng_flash_map.virt = P2SEGADDR(0x01000000);
		soleng_eprom_map.phys = 0;
		soleng_eprom_map.virt = P1SEGADDR(0);
		flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map);
		if (!flash_mtd) {
			/* Eep. */
			printk(KERN_NOTICE "Flash chips not detected at either possible location.\n");
			return -ENXIO;
		}
	}
	printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n",
	       soleng_flash_map.phys & 0x1fffffff,
	       soleng_eprom_map.phys & 0x1fffffff);
	flash_mtd->owner = THIS_MODULE;

	eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map);
	if (eprom_mtd) {
		eprom_mtd->owner = THIS_MODULE;
		mtd_device_register(eprom_mtd, NULL, 0);
	}

	mtd_device_parse_register(flash_mtd, probes, NULL,
				  superh_se_partitions, NUM_PARTITIONS);

	return 0;
}
Example #24
0
/*
 * Initialize the map_info structure and map the flash.
 * Returns 0 on success, nonzero otherwise.
 */
static int vr_nor_init_maps(struct vr_nor_mtd *p)
{
	unsigned long csr_phys, csr_len;
	unsigned long win_phys, win_len;
	unsigned int exp_timing_cs0;
	int err;

	csr_phys = pci_resource_start(p->dev, EXP_CSR_MBAR);
	csr_len = pci_resource_len(p->dev, EXP_CSR_MBAR);
	win_phys = pci_resource_start(p->dev, EXP_WIN_MBAR);
	win_len = pci_resource_len(p->dev, EXP_WIN_MBAR);

	if (!csr_phys || !csr_len || !win_phys || !win_len)
		return -ENODEV;

	if (win_len < (CS0_START + CS0_SIZE))
		return -ENXIO;

	p->csr_base = ioremap_nocache(csr_phys, csr_len);
	if (!p->csr_base)
		return -ENOMEM;

	exp_timing_cs0 = readl(p->csr_base + EXP_TIMING_CS0);
	if (!(exp_timing_cs0 & TIMING_CS_EN)) {
		dev_warn(&p->dev->dev, "Expansion Bus Chip Select 0 "
		       "is disabled.\n");
		err = -ENODEV;
		goto release;
	}
	if ((exp_timing_cs0 & TIMING_MASK) == TIMING_MASK) {
		dev_warn(&p->dev->dev, "Expansion Bus Chip Select 0 "
		       "is configured for maximally slow access times.\n");
	}
	p->map.name = DRV_NAME;
	p->map.bankwidth = (exp_timing_cs0 & TIMING_BYTE_EN) ? 1 : 2;
	p->map.phys = win_phys + CS0_START;
	p->map.size = CS0_SIZE;
	p->map.virt = ioremap_nocache(p->map.phys, p->map.size);
	if (!p->map.virt) {
		err = -ENOMEM;
		goto release;
	}
	simple_map_init(&p->map);

	/* Enable writes to flash bank */
	exp_timing_cs0 |= TIMING_BOOT_ACCEL_DIS | TIMING_WR_EN;
	writel(exp_timing_cs0, p->csr_base + EXP_TIMING_CS0);

	return 0;

      release:
	iounmap(p->csr_base);
	return err;
}
Example #25
0
int __init init_s3c2410nor(void)
{
  static const char *rom_probe_types[] = PROBETYPES;
  const char **type;
  const char *part_type = 0;

  printk(KERN_NOTICE MSG_PREFIX "0x%08x at 0x%08x\n", WINDOW_SIZE, WINDOW_ADDR);
  s3c2410nor_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);//物理->虚拟地址

  if (!s3c2410nor_map.virt)
  {
    printk(MSG_PREFIX "failed to ioremap\n");
    return  - EIO;
  }

  simple_map_init(&s3c2410nor_map);

  mymtd = 0;
  type = rom_probe_types;
  for (; !mymtd &&  *type; type++)
  {
    mymtd = do_map_probe(*type, &s3c2410nor_map);//探测NOR FLASH
  }
  if (mymtd)
  {
    mymtd->owner = THIS_MODULE;

    #ifdef CONFIG_MTD_PARTITIONS
      mtd_parts_nb = parse_mtd_partitions(mymtd, NULL, &mtd_parts, MTDID);//探测分区信息
      if (mtd_parts_nb > 0)
        part_type = "detected";

      if (mtd_parts_nb == 0) //未探测到,使用数组定义的分区信息
      {
        mtd_parts = static_partitions;
        mtd_parts_nb = ARRAY_SIZE(static_partitions);
        part_type = "static";
      }
    #endif
    add_mtd_device(mymtd);
    if (mtd_parts_nb == 0)
      printk(KERN_NOTICE MSG_PREFIX "no partition info available\n");
    else
    {
      printk(KERN_NOTICE MSG_PREFIX "using %s partition definition\n",
        part_type);
      add_mtd_partitions(mymtd, mtd_parts, mtd_parts_nb);//添加分区信息
    }
    return 0;
  }

  iounmap((void*)s3c2410nor_map.virt);
  return  - ENXIO;
}
Example #26
0
File: walnut.c Project: 274914765/C
int __init init_walnut(void)
{
    u8 fpga_brds1;
    void *fpga_brds1_adr;
    void *fpga_status_adr;
    unsigned long flash_base;

    /* this should already be mapped (platform/4xx/walnut.c) */
    fpga_status_adr = ioremap(WALNUT_FPGA_BASE, 8);
    if (!fpga_status_adr)
        return -ENOMEM;

    fpga_brds1_adr = fpga_status_adr+5;
    fpga_brds1 = readb(fpga_brds1_adr);
    /* iounmap(fpga_status_adr); */

    if (WALNUT_FLASH_ONBD_N(fpga_brds1)) {
        printk("The on-board flash is disabled (U79 sw 5)!");
        iounmap(fpga_status_adr);
        return -EIO;
    }
    if (WALNUT_FLASH_SRAM_SEL(fpga_brds1))
        flash_base = WALNUT_FLASH_LOW;
    else
        flash_base = WALNUT_FLASH_HIGH;

    walnut_map.phys = flash_base;
    walnut_map.virt =
        (void __iomem *)ioremap(flash_base, walnut_map.size);

    if (!walnut_map.virt) {
        printk("Failed to ioremap flash.\n");
        iounmap(fpga_status_adr);
        return -EIO;
    }

    simple_map_init(&walnut_map);

    flash = do_map_probe("jedec_probe", &walnut_map);
    if (flash) {
        flash->owner = THIS_MODULE;
        add_mtd_partitions(flash, walnut_partitions,
                    ARRAY_SIZE(walnut_partitions));
    } else {
        printk("map probe failed for flash\n");
        iounmap(fpga_status_adr);
        return -ENXIO;
    }

    iounmap(fpga_status_adr);
    return 0;
}
Example #27
0
static int __init uclinux_mtd_init(void)
{
	struct mtd_info *mtd;
	struct map_info *mapp;

	mapp = &uclinux_romfs_map;
	if (!mapp->size)
		mapp->size = PAGE_ALIGN(ntohl(*((unsigned long *)(mapp->phys + 8))));
	mapp->bankwidth = 4;

#ifdef CONFIG_MTD_UCLINUX_RELOCATE
	printk("uclinux[mtd]: RAM probe address=0x%x size=0x%x\n",
#else
	printk("uclinux[mtd]: ROM probe address=0x%x size=0x%x\n",
#endif
		(int) mapp->phys, (int) mapp->size);

	mapp->virt = ioremap_nocache(mapp->phys, mapp->size);

	if (mapp->virt == 0) {
		printk("uclinux[mtd]: ioremap_nocache() failed\n");
		return(-EIO);
	}

	simple_map_init(mapp);

#ifdef CONFIG_MTD_UCLINUX_RELOCATE
	mtd = do_map_probe("map_ram", mapp);
#else
	mtd = do_map_probe("map_rom", mapp);
#endif
	if (!mtd) {
		printk("uclinux[mtd]: failed to find a mapping?\n");
		iounmap(mapp->virt);
		return(-ENXIO);
	}

	mtd->owner = THIS_MODULE;
	mtd->point = uclinux_point;
	mtd->priv = mapp;

	uclinux_romfs_mtdinfo = mtd;
#ifdef CONFIG_MTD_PARTITIONS
	add_mtd_partitions(mtd, uclinux_romfs, NUM_PARTITIONS);
#else
	add_mtd_device(mtd);
#endif

	return(0);
}
Example #28
0
static int __init epxa_mtd_init(void)
{
	int i;
	
	printk(KERN_NOTICE "%s flash device: 0x%x at 0x%x\n", BOARD_NAME, FLASH_SIZE, FLASH_START);

	epxa_map.virt = (void __iomem *)ioremap(FLASH_START, FLASH_SIZE);
	if (!epxa_map.virt) {
		printk("Failed to ioremap %s flash\n",BOARD_NAME);
		return -EIO;
	}
	simple_map_init(&epxa_map);

	mymtd = do_map_probe("cfi_probe", &epxa_map);
	if (!mymtd) {
		iounmap((void *)epxa_map.virt);
		return -ENXIO;
	}

	mymtd->owner = THIS_MODULE;

	/* Unlock the flash device. */
	if(mymtd->unlock){
		for (i=0; i<mymtd->numeraseregions;i++){
			int j;
			for(j=0;j<mymtd->eraseregions[i].numblocks;j++){
				mymtd->unlock(mymtd,mymtd->eraseregions[i].offset + j * mymtd->eraseregions[i].erasesize,mymtd->eraseregions[i].erasesize);
			}
		}
	}

#ifdef CONFIG_MTD_PARTITIONS
	nr_parts = parse_mtd_partitions(mymtd, probes, &parts, 0);

	if (nr_parts > 0) {
		add_mtd_partitions(mymtd, parts, nr_parts);
		return 0;
	}
#endif
	/* No recognised partitioning schemes found - use defaults */
	nr_parts = epxa_default_partitions(mymtd, &parts);
	if (nr_parts > 0) {
		add_mtd_partitions(mymtd, parts, nr_parts);
		return 0;
	}

	/* If all else fails... */
	add_mtd_device(mymtd);
	return 0;
}
Example #29
0
int __init init_physmap(void)
{
	static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", 0 };
	const char **type;

       	printk(KERN_NOTICE "physmap flash device: %lx at %lx\n", physmap_map.size, physmap_map.phys);
	physmap_map.virt = (unsigned long)ioremap(physmap_map.phys, physmap_map.size);

	if (!physmap_map.virt) {
		printk("Failed to ioremap\n");
		return -EIO;
	}

	simple_map_init(&physmap_map);

	mymtd = 0;
	type = rom_probe_types;
	for(; !mymtd && *type; type++) {
		mymtd = do_map_probe(*type, &physmap_map);
	}
	if (mymtd) {
		mymtd->owner = THIS_MODULE;

#ifdef CONFIG_MTD_PARTITIONS
		mtd_parts_nb = parse_mtd_partitions(mymtd, part_probes, 
						    &mtd_parts, 0);

		if (mtd_parts_nb > 0)
		{
			add_mtd_partitions (mymtd, mtd_parts, mtd_parts_nb);
			return 0;
		}

		if (num_physmap_partitions != 0) 
		{
			printk(KERN_NOTICE 
			       "Using physmap partition definition\n");
			add_mtd_partitions (mymtd, physmap_partitions, num_physmap_partitions);
			return 0;
		}

#endif
		add_mtd_device(mymtd);

		return 0;
	}

	iounmap((void *)physmap_map.virt);
	return -ENXIO;
}
Example #30
0
static int __init init_pnc2000(void)
{
	printk(KERN_NOTICE "Photron PNC-2000 flash mapping: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);

	simple_map_init(&pnc_map);

	mymtd = do_map_probe("cfi_probe", &pnc_map);
	if (mymtd) {
		mymtd->owner = THIS_MODULE;
		return add_mtd_partitions(mymtd, pnc_partitions, 3);
	}

	return -ENXIO;
}