/*
- * Flash device on Lasat 100 and 200 boards
+ * Flash device on lasat 100 and 200 boards
*
- * (C) 2002 Brian Murphy <brian@murphy.dk>
+ * Presumably (C) 2002 Brian Murphy <brian@murphy.dk> or whoever he
+ * works for.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
- * $Id: lasat.c,v 1.7 2004/07/12 21:59:44 dwmw2 Exp $
+ * $Id: lasat.c,v 1.5 2003/05/21 12:45:19 dwmw2 Exp $
*
*/
#include <linux/mtd/partitions.h>
#include <linux/config.h>
#include <asm/lasat/lasat.h>
+#include <asm/lasat/lasat_mtd.h>
-static struct mtd_info *lasat_mtd;
+static struct mtd_info *mymtd;
+
+static struct map_info sp_map = {
+ .name = "SP flash",
+ .buswidth = 4,
+};
static struct mtd_partition partition_info[LASAT_MTD_LAST];
static char *lasat_mtd_partnames[] = {"Bootloader", "Service", "Normal", "Filesystem", "Config"};
-static void lasat_set_vpp(struct map_info *map, int vpp)
-{
- if (vpp)
- *lasat_misc->flash_wp_reg |= 1 << lasat_misc->flash_wp_bit;
- else
- *lasat_misc->flash_wp_reg &= ~(1 << lasat_misc->flash_wp_bit);
-}
-
-static struct map_info lasat_map = {
- .name = "LASAT flash",
- .bankwidth = 4,
- .set_vpp = lasat_set_vpp
-};
-
-static int __init init_lasat(void)
+static int __init init_sp(void)
{
int i;
- /* since we use AMD chips and set_vpp is not implimented
- * for these (yet) we still have to permanently enable flash write */
- printk(KERN_NOTICE "Unprotecting flash\n");
- ENABLE_VPP((&lasat_map));
+ /* this does not play well with the old flash code which
+ * protects and uprotects the flash when necessary */
+ /* FIXME: Implement set_vpp() */
+ printk(KERN_NOTICE "Unprotecting flash\n");
+ *lasat_misc->flash_wp_reg |= 1 << lasat_misc->flash_wp_bit;
+
+ sp_map.virt = lasat_flash_partition_start(LASAT_MTD_BOOTLOADER);
+ sp_map.phys = virt_to_phys(sp_map.virt);
+ sp_map.size = lasat_board_info.li_flash_size;
- lasat_map.phys = lasat_flash_partition_start(LASAT_MTD_BOOTLOADER);
- lasat_map.virt = (unsigned long)ioremap_nocache(
- lasat_map.phys, lasat_board_info.li_flash_size);
- lasat_map.size = lasat_board_info.li_flash_size;
+ simple_map_init(&sp_map);
- simple_map_init(&lasat_map);
+ printk(KERN_NOTICE "sp flash device: %lx at %lx\n",
+ sp_map.size, sp_map.phys);
for (i=0; i < LASAT_MTD_LAST; i++)
partition_info[i].name = lasat_mtd_partnames[i];
- lasat_mtd = do_map_probe("cfi_probe", &lasat_map);
-
- if (!lasat_mtd)
- lasat_mtd = do_map_probe("jedec_probe", &lasat_map);
-
- if (lasat_mtd) {
+ mymtd = do_map_probe("cfi_probe", &sp_map);
+ if (mymtd) {
u32 size, offset = 0;
- lasat_mtd->owner = THIS_MODULE;
+ mymtd->owner = THIS_MODULE;
for (i=0; i < LASAT_MTD_LAST; i++) {
size = lasat_flash_partition_size(i);
offset += size;
}
- add_mtd_partitions( lasat_mtd, partition_info, LASAT_MTD_LAST );
+ add_mtd_partitions( mymtd, partition_info, LASAT_MTD_LAST );
return 0;
}
return -ENXIO;
}
-static void __exit cleanup_lasat(void)
+static void __exit cleanup_sp(void)
{
- if (lasat_mtd) {
- del_mtd_partitions(lasat_mtd);
- map_destroy(lasat_mtd);
+ if (mymtd) {
+ del_mtd_partitions(mymtd);
+ map_destroy(mymtd);
}
- if (lasat_map.virt) {
- lasat_map.virt = 0;
+ if (sp_map.virt) {
+ sp_map.virt = 0;
}
}
-module_init(init_lasat);
-module_exit(cleanup_lasat);
+module_init(init_sp);
+module_exit(cleanup_sp);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Brian Murphy <brian@murphy.dk>");