/* arch/arm/mach-s3c2410/cpu.h * * Copyright (c) 2004-2005 Simtec Electronics * Ben Dooks * * 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 */ /* todo - fix when rmk changes iodescs to use `void __iomem *` */ #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, S3C2410_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 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); /* 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 s3c2440_sysclass;