Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* 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. |
| 11 | * |
| 12 | * Modifications: |
| 13 | * 24-Aug-2004 BJD Start of generic S3C24XX support |
| 14 | * 18-Oct-2004 BJD Moved board struct into this file |
| 15 | * 04-Jan-2005 BJD New uart initialisation |
| 16 | * 10-Jan-2005 BJD Moved generic init here, specific to cpu headers |
| 17 | * 14-Jan-2005 BJD Added s3c24xx_init_clocks() call |
| 18 | * 10-Mar-2005 LCVR Changed S3C2410_{VA,SZ} to S3C24XX_{VA,SZ} & IODESC_ENT |
| 19 | * 14-Mar-2005 BJD Updated for __iomem |
| 20 | */ |
| 21 | |
| 22 | /* todo - fix when rmk changes iodescs to use `void __iomem *` */ |
| 23 | |
Deepak Saxena | 1cc977a | 2005-10-28 15:19:02 +0100 | [diff] [blame] | 24 | #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C2410_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
| 26 | #ifndef MHZ |
| 27 | #define MHZ (1000*1000) |
| 28 | #endif |
| 29 | |
| 30 | #define print_mhz(m) ((m) / MHZ), ((m / 1000) % 1000) |
| 31 | |
| 32 | /* forward declaration */ |
| 33 | struct s3c2410_uartcfg; |
| 34 | struct map_desc; |
| 35 | |
| 36 | /* core initialisation functions */ |
| 37 | |
| 38 | extern void s3c24xx_init_irq(void); |
| 39 | |
| 40 | extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); |
| 41 | |
| 42 | extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); |
| 43 | |
| 44 | extern void s3c24xx_init_clocks(int xtal); |
| 45 | |
| 46 | /* the board structure is used at first initialsation time |
| 47 | * to get info such as the devices to register for this |
| 48 | * board. This is done because platfrom_add_devices() cannot |
| 49 | * be called from the map_io entry. |
| 50 | */ |
| 51 | |
| 52 | struct s3c24xx_board { |
| 53 | struct platform_device **devices; |
| 54 | unsigned int devices_count; |
| 55 | |
| 56 | struct clk **clocks; |
| 57 | unsigned int clocks_count; |
| 58 | }; |
| 59 | |
| 60 | extern void s3c24xx_set_board(struct s3c24xx_board *board); |
| 61 | |
| 62 | /* timer for 2410/2440 */ |
| 63 | |
| 64 | struct sys_timer; |
| 65 | extern struct sys_timer s3c24xx_timer; |
| 66 | |
| 67 | /* system device classes */ |
| 68 | |
| 69 | extern struct sysdev_class s3c2440_sysclass; |