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  */
  29 extern void lpc32xx_timer_init(void);
  30 extern void __init lpc32xx_init_irq(void);
  31 extern void __init lpc32xx_map_io(void);
  32 extern void __init lpc32xx_serial_init(void);
  33 extern void lpc23xx_restart(enum reboot_mode, const char *);
  34
  35
  36 /*
  37  * Structure used for setting up and querying the PLLS
  38  */
  39 struct 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
  49 extern int clk_is_sysclk_mainosc(void);
  50 extern u32 clk_check_pll_setup(u32 ifreq, struct clk_pll_setup *pllsetup);
  51 extern u32 clk_get_pllrate_from_reg(u32 inputclk, u32 regval);
  52 extern u32 clk_get_pclk_div(void);
  53
  54 /*
  55  * Returns the LPC32xx unique 128-bit chip ID
  56  */
  57 extern void lpc32xx_get_uid(u32 devid[4]);
  58
  59 extern u32 lpc32xx_return_iram_size(void);
  60 /*
  61  * Pointers used for sizing and copying suspend function data
  62  */
  63 extern int lpc32xx_sys_suspend(void);
  64 extern int lpc32xx_sys_suspend_sz;
  65
  66 #endif