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Patch from Ben Dooks All the S3C24XX based devices currently have similar uart blocks, in the same location. Make the process of adding new uart blocks easier by commonising the device definitions and adding a new init function for the cpu code. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
77 lines
2.2 KiB
C
77 lines
2.2 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 s3c2440_sysclass;
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