mirror of
https://github.com/torvalds/linux.git
synced 2024-12-25 20:32:22 +00:00
6a148eaa20
As per Russell King's last review comment, find and remove all unnecessary includes of <linux/delay.h> in the files that do not need them. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
/* linux/arch/arm/plat-s3c64xx/cpu.c
|
|
*
|
|
* Copyright 2008 Openmoko, Inc.
|
|
* Copyright 2008 Simtec Electronics
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
* http://armlinux.simtec.co.uk/
|
|
*
|
|
* S3C64XX CPU Support
|
|
*
|
|
* 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/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/serial_core.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/map.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <plat/regs-serial.h>
|
|
|
|
#include <plat/cpu.h>
|
|
#include <plat/devs.h>
|
|
#include <plat/clock.h>
|
|
|
|
#include <plat/s3c6400.h>
|
|
#include <plat/s3c6410.h>
|
|
|
|
/* table of supported CPUs */
|
|
|
|
static const char name_s3c6400[] = "S3C6400";
|
|
static const char name_s3c6410[] = "S3C6410";
|
|
|
|
static struct cpu_table cpu_ids[] __initdata = {
|
|
{
|
|
.idcode = 0x36400000,
|
|
.idmask = 0xfffff000,
|
|
.map_io = s3c6400_map_io,
|
|
.init_clocks = s3c6400_init_clocks,
|
|
.init_uarts = s3c6400_init_uarts,
|
|
.init = s3c6400_init,
|
|
.name = name_s3c6400,
|
|
}, {
|
|
.idcode = 0x36410100,
|
|
.idmask = 0xffffff00,
|
|
.map_io = s3c6410_map_io,
|
|
.init_clocks = s3c6410_init_clocks,
|
|
.init_uarts = s3c6410_init_uarts,
|
|
.init = s3c6410_init,
|
|
.name = name_s3c6410,
|
|
},
|
|
};
|
|
|
|
/* minimal IO mapping */
|
|
|
|
/* see notes on uart map in arch/arm/mach-s3c6400/include/mach/debug-macro.S */
|
|
#define UART_OFFS (S3C_PA_UART & 0xfffff)
|
|
|
|
static struct map_desc s3c_iodesc[] __initdata = {
|
|
{
|
|
.virtual = (unsigned long)S3C_VA_SYS,
|
|
.pfn = __phys_to_pfn(S3C64XX_PA_SYSCON),
|
|
.length = SZ_4K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)(S3C_VA_UART + UART_OFFS),
|
|
.pfn = __phys_to_pfn(S3C_PA_UART),
|
|
.length = SZ_4K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)S3C_VA_VIC0,
|
|
.pfn = __phys_to_pfn(S3C64XX_PA_VIC0),
|
|
.length = SZ_16K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)S3C_VA_VIC1,
|
|
.pfn = __phys_to_pfn(S3C64XX_PA_VIC1),
|
|
.length = SZ_16K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)S3C_VA_TIMER,
|
|
.pfn = __phys_to_pfn(S3C_PA_TIMER),
|
|
.length = SZ_16K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)S3C64XX_VA_GPIO,
|
|
.pfn = __phys_to_pfn(S3C64XX_PA_GPIO),
|
|
.length = SZ_4K,
|
|
.type = MT_DEVICE,
|
|
},
|
|
};
|
|
|
|
/* read cpu identification code */
|
|
|
|
void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
|
|
{
|
|
unsigned long idcode;
|
|
|
|
/* initialise the io descriptors we need for initialisation */
|
|
iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
|
|
iotable_init(mach_desc, size);
|
|
|
|
idcode = __raw_readl(S3C_VA_SYS + 0x118);
|
|
s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
|
|
}
|