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gerrit-public.fairphone.software / kernel / msm-4.19 / f3c8cfc237927cc095e8bcb1e3794cfa76390bab / . / arch / arm / mach-at91 / generic.h
blob: 938b34f577419b9dba43f466c3d59dfe4b73fe69 [file] [log] [blame]
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]1/*
Andrew Victor9d041262007-02-05 11:42:07 +0100[diff] [blame]2 * linux/arch/arm/mach-at91/generic.h
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]3 *
4 * Copyright (C) 2005 David Brownell
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
Jean-Christophe PLAGNIOL-VILLARDbd602992011-02-02 07:27:07 +0100[diff] [blame]11#include <linux/clkdev.h>
12
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +0800[diff] [blame]13 /* Map io */
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +0800[diff] [blame]14extern void __init at91_map_io(void);
Jean-Christophe PLAGNIOL-VILLARDf0051d82011-05-10 03:20:09 +0800[diff] [blame]15extern void __init at91_init_sram(int bank, unsigned long base,
16 unsigned int length);
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +0800[diff] [blame]17
Andrew Victor2eeaaa22006-09-27 10:50:59 +0100[diff] [blame]18 /* Processors */
Jean-Christophe PLAGNIOL-VILLARDe57556e32011-04-24 11:40:22 +0800[diff] [blame]19extern void __init at91rm9200_set_type(int type);
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +0800[diff] [blame]20extern void __init at91_initialize(unsigned long main_clock);
Greg Ungerer9a7e2462007-07-30 02:39:02 +0100[diff] [blame]21extern void __init at91x40_initialize(unsigned long main_clock);
Andrew Victor2eeaaa22006-09-27 10:50:59 +0100[diff] [blame]22
Andrew Victorba854e12006-07-05 17:22:52 +0100[diff] [blame]23 /* Interrupts */
Jean-Christophe PLAGNIOL-VILLARD92100c12011-04-23 15:28:34 +0800[diff] [blame]24extern void __init at91_init_irq_default(void);
25extern void __init at91_init_interrupts(unsigned int priority[]);
Greg Ungerer9a7e2462007-07-30 02:39:02 +0100[diff] [blame]26extern void __init at91x40_init_interrupts(unsigned int priority[]);
Andrew Victorba854e12006-07-05 17:22:52 +0100[diff] [blame]27extern void __init at91_aic_init(unsigned int priority[]);
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]28
Andrew Victorba854e12006-07-05 17:22:52 +0100[diff] [blame]29 /* Timer */
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]30struct sys_timer;
31extern struct sys_timer at91rm9200_timer;
Andrew Victor62c16602006-11-30 12:27:38 +0100[diff] [blame]32extern struct sys_timer at91sam926x_timer;
Greg Ungerer9a7e2462007-07-30 02:39:02 +0100[diff] [blame]33extern struct sys_timer at91x40_timer;
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]34
Andrew Victorba854e12006-07-05 17:22:52 +0100[diff] [blame]35 /* Clocks */
Jean-Christophe PLAGNIOL-VILLARDbd602992011-02-02 07:27:07 +0100[diff] [blame]36/*
37 * function to specify the clock of the default console. As we do not
38 * use the device/driver bus, the dev_name is not intialize. So we need
39 * to link the clock to a specific con_id only "usart"
40 */
41extern void __init at91rm9200_set_console_clock(int id);
42extern void __init at91sam9260_set_console_clock(int id);
43extern void __init at91sam9261_set_console_clock(int id);
44extern void __init at91sam9263_set_console_clock(int id);
45extern void __init at91sam9rl_set_console_clock(int id);
46extern void __init at91sam9g45_set_console_clock(int id);
47extern void __init at91cap9_set_console_clock(int id);
Jean-Christophe PLAGNIOL-VILLARD46539372011-04-24 18:20:28 +0800[diff] [blame]48#ifdef CONFIG_AT91_PMC_UNIT
49extern int __init at91_clock_init(unsigned long main_clock);
50#else
51static int inline at91_clock_init(unsigned long main_clock) { return 0; }
52#endif
Andrew Victor907d6de2006-06-20 19:30:19 +0100[diff] [blame]53struct device;
Andrew Victor907d6de2006-06-20 19:30:19 +0100[diff] [blame]54
55 /* Power Management */
56extern void at91_irq_suspend(void);
57extern void at91_irq_resume(void);
58
Nicolas Ferrebb413db2010-10-14 19:14:00 +0200[diff] [blame]59/* reset */
60extern void at91sam9_alt_reset(void);
61
Andrew Victorf2173832006-09-27 13:23:00 +0100[diff] [blame]62 /* GPIO */
63#define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */
64#define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */
65
66struct at91_gpio_bank {
67 unsigned short id; /* peripheral ID */
68 unsigned long offset; /* offset from system peripheral base */
69 struct clk *clock; /* associated clock */
70};
71extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
72extern void __init at91_gpio_irq_setup(void);
Andrew Victor1f4fd0a2006-11-30 10:01:47 +0100[diff] [blame]73
74extern void (*at91_arch_reset)(void);
75extern int at91_extern_irq;