common.h 1.9 KB

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  1. /*
  2. * Header for code common to all DaVinci machines.
  3. *
  4. * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
  5. *
  6. * 2007 (c) MontaVista Software, Inc. This file is licensed under
  7. * the terms of the GNU General Public License version 2. This program
  8. * is licensed "as is" without any warranty of any kind, whether express
  9. * or implied.
  10. */
  11. #ifndef __ARCH_ARM_MACH_DAVINCI_COMMON_H
  12. #define __ARCH_ARM_MACH_DAVINCI_COMMON_H
  13. struct sys_timer;
  14. extern struct sys_timer davinci_timer;
  15. extern void davinci_irq_init(void);
  16. extern void __iomem *davinci_intc_base;
  17. extern int davinci_intc_type;
  18. struct davinci_timer_instance {
  19. void __iomem *base;
  20. u32 bottom_irq;
  21. u32 top_irq;
  22. unsigned long cmp_off;
  23. unsigned int cmp_irq;
  24. };
  25. struct davinci_timer_info {
  26. struct davinci_timer_instance *timers;
  27. unsigned int clockevent_id;
  28. unsigned int clocksource_id;
  29. };
  30. /* SoC specific init support */
  31. struct davinci_soc_info {
  32. struct map_desc *io_desc;
  33. unsigned long io_desc_num;
  34. u32 cpu_id;
  35. u32 jtag_id;
  36. void __iomem *jtag_id_base;
  37. struct davinci_id *ids;
  38. unsigned long ids_num;
  39. struct davinci_clk *cpu_clks;
  40. void __iomem **psc_bases;
  41. unsigned long psc_bases_num;
  42. void __iomem *pinmux_base;
  43. const struct mux_config *pinmux_pins;
  44. unsigned long pinmux_pins_num;
  45. void __iomem *intc_base;
  46. int intc_type;
  47. u8 *intc_irq_prios;
  48. unsigned long intc_irq_num;
  49. struct davinci_timer_info *timer_info;
  50. void __iomem *gpio_base;
  51. unsigned gpio_num;
  52. unsigned gpio_irq;
  53. unsigned gpio_unbanked;
  54. struct platform_device *serial_dev;
  55. struct emac_platform_data *emac_pdata;
  56. dma_addr_t sram_dma;
  57. unsigned sram_len;
  58. };
  59. extern struct davinci_soc_info davinci_soc_info;
  60. extern void davinci_common_init(struct davinci_soc_info *soc_info);
  61. /* standard place to map on-chip SRAMs; they *may* support DMA */
  62. #define SRAM_VIRT 0xfffe0000
  63. #define SRAM_SIZE SZ_128K
  64. #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */