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1/*
2 * arch/arm/mach-lpc32xx/common.h
3 *
4 * Author: Kevin Wells <kevin.wells@nxp.com>
5 *
6 * Copyright (C) 2009-2010 NXP Semiconductors
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 as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#ifndef __LPC32XX_COMMON_H
20#define __LPC32XX_COMMON_H
21
22#include <linux/platform_device.h>
23
24/*
25 * Arch specific platform device structures
26 */
27extern struct platform_device lpc32xx_watchdog_device;
28extern struct platform_device lpc32xx_i2c0_device;
29extern struct platform_device lpc32xx_i2c1_device;
30extern struct platform_device lpc32xx_i2c2_device;
31
32/*
33 * Other arch specific structures and functions
34 */
35extern struct sys_timer lpc32xx_timer;
36extern void __init lpc32xx_init_irq(void);
37extern void __init lpc32xx_map_io(void);
38extern void __init lpc32xx_serial_init(void);
39extern void __init lpc32xx_gpio_init(void);
40
41/*
42 * Structure used for setting up and querying the PLLS
43 */
44struct clk_pll_setup {
45 int analog_on;
46 int cco_bypass_b15;
47 int direct_output_b14;
48 int fdbk_div_ctrl_b13;
49 int pll_p;
50 int pll_n;
51 u32 pll_m;
52};
53
54extern int clk_is_sysclk_mainosc(void);
55extern u32 clk_check_pll_setup(u32 ifreq, struct clk_pll_setup *pllsetup);
56extern u32 clk_get_pllrate_from_reg(u32 inputclk, u32 regval);
57extern u32 clk_get_pclk_div(void);
58
59/*
60 * Returns the LPC32xx unique 128-bit chip ID
61 */
62extern void lpc32xx_get_uid(u32 devid[4]);
63
64extern void lpc32xx_watchdog_reset(void);
65extern u32 lpc32xx_return_iram_size(void);
66
67/*
68 * Pointers used for sizing and copying suspend function data
69 */
70extern int lpc32xx_sys_suspend(void);
71extern int lpc32xx_sys_suspend_sz;
72
73#endif