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[ARM] S3C6410: Initial CPU support code

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Initial support for the Samsung S3C6410 SoC.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2008-10-21 14:06:50 +01:00
parent beda30f6a9
commit d626aeedc9
4 changed files with 104 additions and 1 deletions
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2
arch/arm/Makefile
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@ -123,7 +123,7 @@ endif
machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c
machine-$(CONFIG_ARCH_S3C64XX) := s3c6400
machine-$(CONFIG_ARCH_S3C64XX) := s3c6400 s3c6410
plat-$(CONFIG_PLAT_S3C64XX) := s3c64xx s3c
machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
machine-$(CONFIG_ARCH_VERSATILE) := versatile

6
arch/arm/mach-s3c6410/Kconfig
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@ -6,3 +6,9 @@
# Licensed under GPLv2
# Configuration options for the S3C6410 CPU
config CPU_S3C6410
bool
help
Enable S3C6410 CPU support

16
arch/arm/mach-s3c6410/Makefile Normal file
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@ -0,0 +1,16 @@
# arch/arm/plat-s3c6410/Makefile
#
# Copyright 2008 Openmoko, Inc.
# Copyright 2008 Simtec Electronics
#
# Licensed under GPLv2
obj-y :=
obj-m :=
obj-n :=
obj- :=
# Core support for S3C6410 system
obj-$(CONFIG_CPU_S3C6410) += cpu.o

81
arch/arm/mach-s3c6410/cpu.c Normal file
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@ -0,0 +1,81 @@
/* linux/arch/arm/mach-s3c6410/cpu.c
*
* Copyright 2008 Simtec Electronics
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <plat/cpu-freq.h>
#include <plat/regs-serial.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/clock.h>
#include <plat/s3c6410.h>
/* Initial IO mappings */
static struct map_desc s3c6410_iodesc[] __initdata = {
};
/* s3c6410_map_io
*
* register the standard cpu IO areas
*/
void __init s3c6410_map_io(void)
{
iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc));
}
void __init s3c6410_init_clocks(int xtal)
{
printk(KERN_INFO "%s: initialising clocks\n", __func__);
s3c24xx_register_baseclocks(xtal);
}
struct sysdev_class s3c6410_sysclass = {
.name = "s3c6410-core",
};
static struct sys_device s3c6410_sysdev = {
.cls = &s3c6410_sysclass,
};
static int __init s3c6410_core_init(void)
{
return sysdev_class_register(&s3c6410_sysclass);
}
core_initcall(s3c6410_core_init);
int __init s3c6410_init(void)
{
printk("S3C6410: Initialising architecture\n");
return sysdev_register(&s3c6410_sysdev);
}