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 This patch therefore removes all usages of the no longer updated CVS keywords from the MTD code.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>
141 lines
3.2 KiB
C
141 lines
3.2 KiB
C
/*
|
|
* Flash memory access on Hynix GMS30C7201/HMS30C7202 based
|
|
* evaluation boards
|
|
*
|
|
* (C) 2002 Jungjun Kim <jungjun.kim@hynix.com>
|
|
* 2003 Thomas Gleixner <tglx@linutronix.de>
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/types.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/slab.h>
|
|
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/map.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <asm/hardware.h>
|
|
#include <asm/io.h>
|
|
|
|
static struct mtd_info *mymtd;
|
|
|
|
static struct map_info h720x_map = {
|
|
.name = "H720X",
|
|
.bankwidth = 4,
|
|
.size = FLASH_SIZE,
|
|
.phys = FLASH_PHYS,
|
|
};
|
|
|
|
static struct mtd_partition h720x_partitions[] = {
|
|
{
|
|
.name = "ArMon",
|
|
.size = 0x00080000,
|
|
.offset = 0,
|
|
.mask_flags = MTD_WRITEABLE
|
|
},{
|
|
.name = "Env",
|
|
.size = 0x00040000,
|
|
.offset = 0x00080000,
|
|
.mask_flags = MTD_WRITEABLE
|
|
},{
|
|
.name = "Kernel",
|
|
.size = 0x00180000,
|
|
.offset = 0x000c0000,
|
|
.mask_flags = MTD_WRITEABLE
|
|
},{
|
|
.name = "Ramdisk",
|
|
.size = 0x00400000,
|
|
.offset = 0x00240000,
|
|
.mask_flags = MTD_WRITEABLE
|
|
},{
|
|
.name = "jffs2",
|
|
.size = MTDPART_SIZ_FULL,
|
|
.offset = MTDPART_OFS_APPEND
|
|
}
|
|
};
|
|
|
|
#define NUM_PARTITIONS ARRAY_SIZE(h720x_partitions)
|
|
|
|
static int nr_mtd_parts;
|
|
static struct mtd_partition *mtd_parts;
|
|
static const char *probes[] = { "cmdlinepart", NULL };
|
|
|
|
/*
|
|
* Initialize FLASH support
|
|
*/
|
|
int __init h720x_mtd_init(void)
|
|
{
|
|
|
|
char *part_type = NULL;
|
|
|
|
h720x_map.virt = ioremap(FLASH_PHYS, FLASH_SIZE);
|
|
|
|
if (!h720x_map.virt) {
|
|
printk(KERN_ERR "H720x-MTD: ioremap failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
simple_map_init(&h720x_map);
|
|
|
|
// Probe for flash bankwidth 4
|
|
printk (KERN_INFO "H720x-MTD probing 32bit FLASH\n");
|
|
mymtd = do_map_probe("cfi_probe", &h720x_map);
|
|
if (!mymtd) {
|
|
printk (KERN_INFO "H720x-MTD probing 16bit FLASH\n");
|
|
// Probe for bankwidth 2
|
|
h720x_map.bankwidth = 2;
|
|
mymtd = do_map_probe("cfi_probe", &h720x_map);
|
|
}
|
|
|
|
if (mymtd) {
|
|
mymtd->owner = THIS_MODULE;
|
|
|
|
#ifdef CONFIG_MTD_PARTITIONS
|
|
nr_mtd_parts = parse_mtd_partitions(mymtd, probes, &mtd_parts, 0);
|
|
if (nr_mtd_parts > 0)
|
|
part_type = "command line";
|
|
#endif
|
|
if (nr_mtd_parts <= 0) {
|
|
mtd_parts = h720x_partitions;
|
|
nr_mtd_parts = NUM_PARTITIONS;
|
|
part_type = "builtin";
|
|
}
|
|
printk(KERN_INFO "Using %s partition table\n", part_type);
|
|
add_mtd_partitions(mymtd, mtd_parts, nr_mtd_parts);
|
|
return 0;
|
|
}
|
|
|
|
iounmap((void *)h720x_map.virt);
|
|
return -ENXIO;
|
|
}
|
|
|
|
/*
|
|
* Cleanup
|
|
*/
|
|
static void __exit h720x_mtd_cleanup(void)
|
|
{
|
|
|
|
if (mymtd) {
|
|
del_mtd_partitions(mymtd);
|
|
map_destroy(mymtd);
|
|
}
|
|
|
|
/* Free partition info, if commandline partition was used */
|
|
if (mtd_parts && (mtd_parts != h720x_partitions))
|
|
kfree (mtd_parts);
|
|
|
|
if (h720x_map.virt) {
|
|
iounmap((void *)h720x_map.virt);
|
|
h720x_map.virt = 0;
|
|
}
|
|
}
|
|
|
|
|
|
module_init(h720x_mtd_init);
|
|
module_exit(h720x_mtd_cleanup);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Thomas Gleixner <tglx@linutronix.de>");
|
|
MODULE_DESCRIPTION("MTD map driver for Hynix evaluation boards");
|