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a341305e94
Patch from Ben Dooks The S3C2440 and S3C2442 both have their own sysdev and sysclass for differentiating them from the currently default S3C2410. Add a sysdev for the S3C2410 as part of the work to make the code be non-dependant on the S3C2410. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* arch/arm/mach-s3c2410/cpu.h
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*
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* Copyright (c) 2004-2005 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* Header file for S3C24XX CPU support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Modifications:
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* 24-Aug-2004 BJD Start of generic S3C24XX support
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* 18-Oct-2004 BJD Moved board struct into this file
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* 04-Jan-2005 BJD New uart initialisation
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* 10-Jan-2005 BJD Moved generic init here, specific to cpu headers
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* 14-Jan-2005 BJD Added s3c24xx_init_clocks() call
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* 10-Mar-2005 LCVR Changed S3C2410_{VA,SZ} to S3C24XX_{VA,SZ} & IODESC_ENT
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* 14-Mar-2005 BJD Updated for __iomem
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* 15-Jan-2006 LCVR Updated S3C2410_PA_##x to new S3C24XX_PA_##x macro
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*/
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/* todo - fix when rmk changes iodescs to use `void __iomem *` */
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#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
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#ifndef MHZ
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#define MHZ (1000*1000)
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#endif
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#define print_mhz(m) ((m) / MHZ), ((m / 1000) % 1000)
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/* forward declaration */
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struct s3c24xx_uart_resources;
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struct platform_device;
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struct s3c2410_uartcfg;
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struct map_desc;
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/* core initialisation functions */
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extern void s3c24xx_init_irq(void);
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extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
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extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
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extern void s3c24xx_init_clocks(int xtal);
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extern void s3c24xx_init_uartdevs(char *name,
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struct s3c24xx_uart_resources *res,
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struct s3c2410_uartcfg *cfg, int no);
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/* the board structure is used at first initialsation time
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* to get info such as the devices to register for this
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* board. This is done because platfrom_add_devices() cannot
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* be called from the map_io entry.
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*/
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struct s3c24xx_board {
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struct platform_device **devices;
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unsigned int devices_count;
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struct clk **clocks;
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unsigned int clocks_count;
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};
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extern void s3c24xx_set_board(struct s3c24xx_board *board);
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/* timer for 2410/2440 */
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struct sys_timer;
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extern struct sys_timer s3c24xx_timer;
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/* system device classes */
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extern struct sysdev_class s3c2410_sysclass;
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extern struct sysdev_class s3c2440_sysclass;
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extern struct sysdev_class s3c2442_sysclass;
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