diff options
Diffstat (limited to 'linux-2.4.x/drivers/mtd/maps/rpxlite.c')
-rw-r--r-- | linux-2.4.x/drivers/mtd/maps/rpxlite.c | 78 |
1 files changed, 15 insertions, 63 deletions
diff --git a/linux-2.4.x/drivers/mtd/maps/rpxlite.c b/linux-2.4.x/drivers/mtd/maps/rpxlite.c index 41b168f..809a0c8 100644 --- a/linux-2.4.x/drivers/mtd/maps/rpxlite.c +++ b/linux-2.4.x/drivers/mtd/maps/rpxlite.c @@ -1,5 +1,5 @@ /* - * $Id: rpxlite.c,v 1.15 2001/10/02 15:05:14 dwmw2 Exp $ + * $Id: rpxlite.c,v 1.22 2004/11/04 13:24:15 gleixner Exp $ * * Handle mapping of the flash on the RPX Lite and CLLF boards */ @@ -7,6 +7,7 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> +#include <linux/init.h> #include <asm/io.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> @@ -17,80 +18,31 @@ static struct mtd_info *mymtd; -__u8 rpxlite_read8(struct map_info *map, unsigned long ofs) -{ - return __raw_readb(map->map_priv_1 + ofs); -} - -__u16 rpxlite_read16(struct map_info *map, unsigned long ofs) -{ - return __raw_readw(map->map_priv_1 + ofs); -} - -__u32 rpxlite_read32(struct map_info *map, unsigned long ofs) -{ - return __raw_readl(map->map_priv_1 + ofs); -} - -void rpxlite_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) -{ - memcpy_fromio(to, (void *)(map->map_priv_1 + from), len); -} - -void rpxlite_write8(struct map_info *map, __u8 d, unsigned long adr) -{ - __raw_writeb(d, map->map_priv_1 + adr); - mb(); -} - -void rpxlite_write16(struct map_info *map, __u16 d, unsigned long adr) -{ - __raw_writew(d, map->map_priv_1 + adr); - mb(); -} - -void rpxlite_write32(struct map_info *map, __u32 d, unsigned long adr) -{ - __raw_writel(d, map->map_priv_1 + adr); - mb(); -} - -void rpxlite_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) -{ - memcpy_toio((void *)(map->map_priv_1 + to), from, len); -} - -struct map_info rpxlite_map = { - name: "RPX", - size: WINDOW_SIZE, - buswidth: 4, - read8: rpxlite_read8, - read16: rpxlite_read16, - read32: rpxlite_read32, - copy_from: rpxlite_copy_from, - write8: rpxlite_write8, - write16: rpxlite_write16, - write32: rpxlite_write32, - copy_to: rpxlite_copy_to +static struct map_info rpxlite_map = { + .name = "RPX", + .size = WINDOW_SIZE, + .bankwidth = 4, + .phys = WINDOW_ADDR, }; int __init init_rpxlite(void) { printk(KERN_NOTICE "RPX Lite or CLLF flash device: %x at %x\n", WINDOW_SIZE*4, WINDOW_ADDR); - rpxlite_map.map_priv_1 = (unsigned long)ioremap(WINDOW_ADDR, WINDOW_SIZE * 4); + rpxlite_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE * 4); - if (!rpxlite_map.map_priv_1) { + if (!rpxlite_map.virt) { printk("Failed to ioremap\n"); return -EIO; } + simple_map_init(&rpxlite_map); mymtd = do_map_probe("cfi_probe", &rpxlite_map); if (mymtd) { - mymtd->module = THIS_MODULE; + mymtd->owner = THIS_MODULE; add_mtd_device(mymtd); return 0; } - iounmap((void *)rpxlite_map.map_priv_1); + iounmap((void *)rpxlite_map.virt); return -ENXIO; } @@ -100,9 +52,9 @@ static void __exit cleanup_rpxlite(void) del_mtd_device(mymtd); map_destroy(mymtd); } - if (rpxlite_map.map_priv_1) { - iounmap((void *)rpxlite_map.map_priv_1); - rpxlite_map.map_priv_1 = 0; + if (rpxlite_map.virt) { + iounmap((void *)rpxlite_map.virt); + rpxlite_map.virt = 0; } } |