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;
}
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;
}
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;
}
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");
}
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
/*
* 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;
}
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;
}
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;
}
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);
}
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;
}
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;
}
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;
}
