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/* arch/arm/mach-s3c2410/cpu.h
*
* Copyright (c) 2004-2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* Header file for S3C24XX 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.
*
* Modifications:
* 24-Aug-2004 BJD Start of generic S3C24XX support
* 18-Oct-2004 BJD Moved board struct into this file
* 04-Jan-2005 BJD New uart initialisation
* 10-Jan-2005 BJD Moved generic init here, specific to cpu headers
* 14-Jan-2005 BJD Added s3c24xx_init_clocks() call
* 10-Mar-2005 LCVR Changed S3C2410_{VA,SZ} to S3C24XX_{VA,SZ} & IODESC_ENT
* 14-Mar-2005 BJD Updated for __iomem
* 15-Jan-2006 LCVR Updated S3C2410_PA_##x to new S3C24XX_PA_##x macro
*/
/* todo - fix when rmk changes iodescs to use `void __iomem *` */
#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
#ifndef MHZ
#define MHZ (1000*1000)
#endif
#define print_mhz(m) ((m) / MHZ), ((m / 1000) % 1000)
/* forward declaration */
struct s3c24xx_uart_resources;
struct platform_device;
struct s3c2410_uartcfg;
struct map_desc;
/* core initialisation functions */
extern void s3c24xx_init_irq(void);
extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void s3c24xx_init_clocks(int xtal);
extern void s3c24xx_init_uartdevs(char *name,
struct s3c24xx_uart_resources *res,
struct s3c2410_uartcfg *cfg, int no);
/* the board structure is used at first initialsation time
* to get info such as the devices to register for this
* board. This is done because platfrom_add_devices() cannot
* be called from the map_io entry.
*/
struct s3c24xx_board {
struct platform_device **devices;
unsigned int devices_count;
struct clk **clocks;
unsigned int clocks_count;
};
extern void s3c24xx_set_board(struct s3c24xx_board *board);
/* timer for 2410/2440 */
struct sys_timer;
extern struct sys_timer s3c24xx_timer;
/* system device classes */
extern struct sysdev_class s3c2410_sysclass;
extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
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