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[ARM] S3C64XX: Add generic s3c64xx sys device.

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Add an s3c64xx_sysclass and device for items that currently
want to bind to any s3c64xx processor. The first user of this
will be parts of the s3c64xx suspend support which need to
save device state over suspend/resume.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2008-12-12 00:24:31 +00:00
parent 0abfe9aab1
commit 1deb507dc7
2 changed files with 21 additions and 0 deletions
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2
arch/arm/plat-s3c/include/plat/cpu.h
View file

@ -70,3 +70,5 @@ extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
extern struct sysdev_class s3c2443_sysclass;
extern struct sysdev_class s3c6410_sysclass;
extern struct sysdev_class s3c64xx_sysclass;

19
arch/arm/plat-s3c64xx/cpu.c
View file

@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
@ -104,6 +105,16 @@ static struct map_desc s3c_iodesc[] __initdata = {
},
};
struct sysdev_class s3c64xx_sysclass = {
.name = "s3c64xx-core",
};
static struct sys_device s3c64xx_sysdev = {
.cls = &s3c64xx_sysclass,
};
/* read cpu identification code */
void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
@ -117,3 +128,11 @@ void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
idcode = __raw_readl(S3C_VA_SYS + 0x118);
s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
}
static __init int s3c64xx_sysdev_init(void)
{
sysdev_class_register(&s3c64xx_sysclass);
return sysdev_register(&s3c64xx_sysdev);
}
core_initcall(s3c64xx_sysdev_init);