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author | 2015-08-04 12:17:53 -0700 | |
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committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/mtd/maps/ts5500_flash.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/mtd/maps/ts5500_flash.c')
-rw-r--r-- | kernel/drivers/mtd/maps/ts5500_flash.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/kernel/drivers/mtd/maps/ts5500_flash.c b/kernel/drivers/mtd/maps/ts5500_flash.c new file mode 100644 index 000000000..9969fedb1 --- /dev/null +++ b/kernel/drivers/mtd/maps/ts5500_flash.c @@ -0,0 +1,121 @@ +/* + * ts5500_flash.c -- MTD map driver for Technology Systems TS-5500 board + * + * Copyright (C) 2004 Sean Young <sean@mess.org> + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * Note: + * - In order for detection to work, jumper 3 must be set. + * - Drive A and B use the resident flash disk (RFD) flash translation layer. + * - If you have created your own jffs file system and the bios overwrites + * it during boot, try disabling Drive A: and B: in the boot order. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/mtd/map.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/types.h> + + +#define WINDOW_ADDR 0x09400000 +#define WINDOW_SIZE 0x00200000 + +static struct map_info ts5500_map = { + .name = "TS-5500 Flash", + .size = WINDOW_SIZE, + .bankwidth = 1, + .phys = WINDOW_ADDR +}; + +static struct mtd_partition ts5500_partitions[] = { + { + .name = "Drive A", + .offset = 0, + .size = 0x0e0000 + }, + { + .name = "BIOS", + .offset = 0x0e0000, + .size = 0x020000, + }, + { + .name = "Drive B", + .offset = 0x100000, + .size = 0x100000 + } +}; + +#define NUM_PARTITIONS ARRAY_SIZE(ts5500_partitions) + +static struct mtd_info *mymtd; + +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; + mtd_device_register(mymtd, ts5500_partitions, NUM_PARTITIONS); + + return 0; + +err1: + iounmap(ts5500_map.virt); +err2: + return rc; +} + +static void __exit cleanup_ts5500_map(void) +{ + if (mymtd) { + mtd_device_unregister(mymtd); + map_destroy(mymtd); + } + + if (ts5500_map.virt) { + iounmap(ts5500_map.virt); + ts5500_map.virt = NULL; + } +} + +module_init(init_ts5500_map); +module_exit(cleanup_ts5500_map); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Sean Young <sean@mess.org>"); +MODULE_DESCRIPTION("MTD map driver for Technology Systems TS-5500 board"); + |