aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mtd/maps/pmcmsp-ramroot.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/maps/pmcmsp-ramroot.c')
-rw-r--r--drivers/mtd/maps/pmcmsp-ramroot.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/drivers/mtd/maps/pmcmsp-ramroot.c b/drivers/mtd/maps/pmcmsp-ramroot.c
deleted file mode 100644
index 30de5c0..0000000
--- a/drivers/mtd/maps/pmcmsp-ramroot.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Mapping of the rootfs in a physical region of memory
- *
- * Copyright (C) 2005-2007 PMC-Sierra Inc.
- * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/root_dev.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-
-#include <asm/io.h>
-
-#include <msp_prom.h>
-
-static struct mtd_info *rr_mtd;
-
-struct map_info rr_map = {
- .name = "ramroot",
- .bankwidth = 4,
-};
-
-static int __init init_rrmap(void)
-{
- void *ramroot_start;
- unsigned long ramroot_size;
-
- /* Check for supported rootfs types */
- if (get_ramroot(&ramroot_start, &ramroot_size)) {
- rr_map.phys = CPHYSADDR(ramroot_start);
- rr_map.size = ramroot_size;
-
- printk(KERN_NOTICE
- "PMC embedded root device: 0x%08lx @ 0x%08lx\n",
- rr_map.size, (unsigned long)rr_map.phys);
- } else {
- printk(KERN_ERR
- "init_rrmap: no supported embedded rootfs detected!\n");
- return -ENXIO;
- }
-
- /* Map rootfs to I/O space for block device driver */
- rr_map.virt = ioremap(rr_map.phys, rr_map.size);
- if (!rr_map.virt) {
- printk(KERN_ERR "Failed to ioremap\n");
- return -EIO;
- }
-
- simple_map_init(&rr_map);
-
- rr_mtd = do_map_probe("map_ram", &rr_map);
- if (rr_mtd) {
- rr_mtd->owner = THIS_MODULE;
-
- add_mtd_device(rr_mtd);
-
- return 0;
- }
-
- iounmap(rr_map.virt);
- return -ENXIO;
-}
-
-static void __exit cleanup_rrmap(void)
-{
- del_mtd_device(rr_mtd);
- map_destroy(rr_mtd);
-
- iounmap(rr_map.virt);
- rr_map.virt = NULL;
-}
-
-MODULE_AUTHOR("PMC-Sierra, Inc");
-MODULE_DESCRIPTION("MTD map driver for embedded PMC-Sierra MSP filesystem");
-MODULE_LICENSE("GPL");
-
-module_init(init_rrmap);
-module_exit(cleanup_rrmap);