mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 06:46:59 +07:00
59018b6d2a
Once upon a time, the MTD repository was using CVS. This patch therefore removes all usages of the no longer updated CVS keywords from the MTD code. This also includes code that printed them to the user. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/*
|
|
* Copyright © 2001 Flaga hf. Medical Devices, Kári Davíðsson <kd@flaga.is>
|
|
*
|
|
* 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 <asm/io.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/map.h>
|
|
#include <linux/mtd/partitions.h>
|
|
|
|
|
|
/* We split the flash chip up into four parts.
|
|
* 1: bootloader firts 128k (0x00000000 - 0x0001FFFF) size 0x020000
|
|
* 2: kernel 640k (0x00020000 - 0x000BFFFF) size 0x0A0000
|
|
* 3: compressed 1536k root ramdisk (0x000C0000 - 0x0023FFFF) size 0x180000
|
|
* 4: writeable diskpartition (jffs)(0x00240000 - 0x003FFFFF) size 0x1C0000
|
|
*/
|
|
|
|
#define FLASH_PHYS_ADDR 0x40000000
|
|
#define FLASH_SIZE 0x400000
|
|
|
|
#define FLASH_PARTITION0_ADDR 0x00000000
|
|
#define FLASH_PARTITION0_SIZE 0x00020000
|
|
|
|
#define FLASH_PARTITION1_ADDR 0x00020000
|
|
#define FLASH_PARTITION1_SIZE 0x000A0000
|
|
|
|
#define FLASH_PARTITION2_ADDR 0x000C0000
|
|
#define FLASH_PARTITION2_SIZE 0x00180000
|
|
|
|
#define FLASH_PARTITION3_ADDR 0x00240000
|
|
#define FLASH_PARTITION3_SIZE 0x001C0000
|
|
|
|
|
|
struct map_info flagadm_map = {
|
|
.name = "FlagaDM flash device",
|
|
.size = FLASH_SIZE,
|
|
.bankwidth = 2,
|
|
};
|
|
|
|
struct mtd_partition flagadm_parts[] = {
|
|
{
|
|
.name = "Bootloader",
|
|
.offset = FLASH_PARTITION0_ADDR,
|
|
.size = FLASH_PARTITION0_SIZE
|
|
},
|
|
{
|
|
.name = "Kernel image",
|
|
.offset = FLASH_PARTITION1_ADDR,
|
|
.size = FLASH_PARTITION1_SIZE
|
|
},
|
|
{
|
|
.name = "Initial ramdisk image",
|
|
.offset = FLASH_PARTITION2_ADDR,
|
|
.size = FLASH_PARTITION2_SIZE
|
|
},
|
|
{
|
|
.name = "Persistent storage",
|
|
.offset = FLASH_PARTITION3_ADDR,
|
|
.size = FLASH_PARTITION3_SIZE
|
|
}
|
|
};
|
|
|
|
#define PARTITION_COUNT ARRAY_SIZE(flagadm_parts)
|
|
|
|
static struct mtd_info *mymtd;
|
|
|
|
int __init init_flagadm(void)
|
|
{
|
|
printk(KERN_NOTICE "FlagaDM 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 "FlagaDM flash device initialized\n");
|
|
return 0;
|
|
}
|
|
|
|
iounmap((void *)flagadm_map.virt);
|
|
return -ENXIO;
|
|
}
|
|
|
|
static void __exit cleanup_flagadm(void)
|
|
{
|
|
if (mymtd) {
|
|
del_mtd_partitions(mymtd);
|
|
map_destroy(mymtd);
|
|
}
|
|
if (flagadm_map.virt) {
|
|
iounmap((void *)flagadm_map.virt);
|
|
flagadm_map.virt = 0;
|
|
}
|
|
}
|
|
|
|
module_init(init_flagadm);
|
|
module_exit(cleanup_flagadm);
|
|
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Kári Davíðsson <kd@flaga.is>");
|
|
MODULE_DESCRIPTION("MTD map driver for Flaga digital module");
|