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Diffstat (limited to 'arch/arm/mach-s3c2410/cpu.h')
-rw-r--r-- | arch/arm/mach-s3c2410/cpu.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/cpu.h b/arch/arm/mach-s3c2410/cpu.h new file mode 100644 index 000000000000..478c15c0e36a --- /dev/null +++ b/arch/arm/mach-s3c2410/cpu.h @@ -0,0 +1,69 @@ +/* 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 +*/ + +/* 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; |