common.h 2.6 KB

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  1. /*
  2. * arch/arm/plat-omap/include/mach/common.h
  3. *
  4. * Header for code common to all OMAP machines.
  5. *
  6. * This program is free software; you can redistribute it and/or modify it
  7. * under the terms of the GNU General Public License as published by the
  8. * Free Software Foundation; either version 2 of the License, or (at your
  9. * option) any later version.
  10. *
  11. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  12. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  13. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  14. * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  15. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  16. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  17. * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  18. * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  19. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  20. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  21. *
  22. * You should have received a copy of the GNU General Public License along
  23. * with this program; if not, write to the Free Software Foundation, Inc.,
  24. * 675 Mass Ave, Cambridge, MA 02139, USA.
  25. */
  26. #ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
  27. #define __ARCH_ARM_MACH_OMAP_COMMON_H
  28. #include <linux/i2c.h>
  29. struct sys_timer;
  30. extern void omap_map_common_io(void);
  31. extern struct sys_timer omap_timer;
  32. #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
  33. extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
  34. struct i2c_board_info const *info,
  35. unsigned len);
  36. #else
  37. static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
  38. struct i2c_board_info const *info,
  39. unsigned len)
  40. {
  41. return 0;
  42. }
  43. #endif
  44. /* IO bases for various OMAP processors */
  45. struct omap_globals {
  46. u32 class; /* OMAP class to detect */
  47. void __iomem *tap; /* Control module ID code */
  48. void __iomem *sdrc; /* SDRAM Controller */
  49. void __iomem *sms; /* SDRAM Memory Scheduler */
  50. void __iomem *ctrl; /* System Control Module */
  51. void __iomem *prm; /* Power and Reset Management */
  52. void __iomem *cm; /* Clock Management */
  53. };
  54. void omap2_set_globals_242x(void);
  55. void omap2_set_globals_243x(void);
  56. void omap2_set_globals_343x(void);
  57. void omap2_set_globals_443x(void);
  58. /* These get called from omap2_set_globals_xxxx(), do not call these */
  59. void omap2_set_globals_tap(struct omap_globals *);
  60. void omap2_set_globals_sdrc(struct omap_globals *);
  61. void omap2_set_globals_control(struct omap_globals *);
  62. void omap2_set_globals_prcm(struct omap_globals *);
  63. #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */