common.h 2.0 KB

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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. #ifndef __LPC32XX_COMMON_H
  19. #define __LPC32XX_COMMON_H
  20. #include <linux/platform_device.h>
  21. /*
  22. * Arch specific platform device structures
  23. */
  24. extern struct platform_device lpc32xx_watchdog_device;
  25. extern struct platform_device lpc32xx_i2c0_device;
  26. extern struct platform_device lpc32xx_i2c1_device;
  27. extern struct platform_device lpc32xx_i2c2_device;
  28. /*
  29. * Other arch specific structures and functions
  30. */
  31. extern struct sys_timer lpc32xx_timer;
  32. extern void __init lpc32xx_init_irq(void);
  33. extern void __init lpc32xx_map_io(void);
  34. extern void __init lpc32xx_serial_init(void);
  35. extern void __init lpc32xx_gpio_init(void);
  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. extern int clk_is_sysclk_mainosc(void);
  49. extern u32 clk_check_pll_setup(u32 ifreq, struct clk_pll_setup *pllsetup);
  50. extern u32 clk_get_pllrate_from_reg(u32 inputclk, u32 regval);
  51. extern u32 clk_get_pclk_div(void);
  52. /*
  53. * Returns the LPC32xx unique 128-bit chip ID
  54. */
  55. extern void lpc32xx_get_uid(u32 devid[4]);
  56. extern void lpc32xx_watchdog_reset(void);
  57. extern u32 lpc32xx_return_iram_size(void);
  58. /*
  59. * Pointers used for sizing and copying suspend function data
  60. */
  61. extern int lpc32xx_sys_suspend(void);
  62. extern int lpc32xx_sys_suspend_sz;
  63. #endif