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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* arch/arm/mach-s3c2410/cpu.h
2 *
3 * Copyright (c) 2004-2005 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * Header file for S3C24XX CPU support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
Linus Torvalds1da177e2005-04-16 15:20:36 -070011*/
12
13/* todo - fix when rmk changes iodescs to use `void __iomem *` */
14
Lucas Correia Villa Real0367a8d2006-01-26 15:20:50 +000015#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
17#ifndef MHZ
18#define MHZ (1000*1000)
19#endif
20
21#define print_mhz(m) ((m) / MHZ), ((m / 1000) % 1000)
22
23/* forward declaration */
Ben Dooks66a9b492006-06-18 23:04:05 +010024struct s3c24xx_uart_resources;
25struct platform_device;
Linus Torvalds1da177e2005-04-16 15:20:36 -070026struct s3c2410_uartcfg;
27struct map_desc;
28
29/* core initialisation functions */
30
31extern void s3c24xx_init_irq(void);
32
33extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
34
35extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
36
37extern void s3c24xx_init_clocks(int xtal);
38
Ben Dooks66a9b492006-06-18 23:04:05 +010039extern void s3c24xx_init_uartdevs(char *name,
40 struct s3c24xx_uart_resources *res,
41 struct s3c2410_uartcfg *cfg, int no);
42
Linus Torvalds1da177e2005-04-16 15:20:36 -070043/* the board structure is used at first initialsation time
44 * to get info such as the devices to register for this
45 * board. This is done because platfrom_add_devices() cannot
46 * be called from the map_io entry.
47*/
48
49struct s3c24xx_board {
50 struct platform_device **devices;
51 unsigned int devices_count;
52
53 struct clk **clocks;
54 unsigned int clocks_count;
55};
56
57extern void s3c24xx_set_board(struct s3c24xx_board *board);
58
59/* timer for 2410/2440 */
60
61struct sys_timer;
62extern struct sys_timer s3c24xx_timer;
63
64/* system device classes */
65
Ben Dooksa3413052006-06-22 22:18:13 +010066extern struct sysdev_class s3c2410_sysclass;
Ben Dooks68d9ab32006-06-24 21:21:27 +010067extern struct sysdev_class s3c2412_sysclass;
Linus Torvalds1da177e2005-04-16 15:20:36 -070068extern struct sysdev_class s3c2440_sysclass;
Ben Dooks96ce2382006-06-18 23:06:41 +010069extern struct sysdev_class s3c2442_sysclass;