LXR linux/arch/arm/mach-lpc32xx/common.h

   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 <mach/board.h>
  23#include <linux/platform_device.h>
  24#include <linux/reboot.h>
  25
  26/*
  27 * Other arch specific structures and functions
  28 */
  29extern void lpc32xx_timer_init(void);
  30extern void __init lpc32xx_init_irq(void);
  31extern void __init lpc32xx_map_io(void);
  32extern void __init lpc32xx_serial_init(void);
  33extern void lpc23xx_restart(enum reboot_mode, const char *);
  34
  35
  36/*
  37 * Structure used for setting up and querying the PLLS
  38 */
  39struct clk_pll_setup {
  40        int analog_on;
  41        int cco_bypass_b15;
  42        int direct_output_b14;
  43        int fdbk_div_ctrl_b13;
  44        int pll_p;
  45        int pll_n;
  46        u32 pll_m;
  47};
  48
  49extern int clk_is_sysclk_mainosc(void);
  50extern u32 clk_check_pll_setup(u32 ifreq, struct clk_pll_setup *pllsetup);
  51extern u32 clk_get_pllrate_from_reg(u32 inputclk, u32 regval);
  52extern u32 clk_get_pclk_div(void);
  53
  54/*
  55 * Returns the LPC32xx unique 128-bit chip ID
  56 */
  57extern void lpc32xx_get_uid(u32 devid[4]);
  58
  59extern u32 lpc32xx_return_iram_size(void);
  60/*
  61 * Pointers used for sizing and copying suspend function data
  62 */
  63extern int lpc32xx_sys_suspend(void);
  64extern int lpc32xx_sys_suspend_sz;
  65
  66#endif
  67