vexpress.h 1.9 KB

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  1. /*
  2. * This program is free software; you can redistribute it and/or modify
  3. * it under the terms of the GNU General Public License version 2 as
  4. * published by the Free Software Foundation.
  5. *
  6. * This program is distributed in the hope that it will be useful,
  7. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  8. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  9. * GNU General Public License for more details.
  10. *
  11. * Copyright (C) 2012 ARM Limited
  12. */
  13. #ifndef _LINUX_VEXPRESS_H
  14. #define _LINUX_VEXPRESS_H
  15. #include <linux/device.h>
  16. #include <linux/platform_device.h>
  17. #include <linux/reboot.h>
  18. #include <linux/regmap.h>
  19. #define VEXPRESS_SITE_MB 0
  20. #define VEXPRESS_SITE_DB1 1
  21. #define VEXPRESS_SITE_DB2 2
  22. #define VEXPRESS_SITE_MASTER 0xf
  23. #define VEXPRESS_RES_FUNC(_site, _func) \
  24. { \
  25. .start = (_site), \
  26. .end = (_func), \
  27. .flags = IORESOURCE_BUS, \
  28. }
  29. /* Config infrastructure */
  30. void vexpress_config_set_master(u32 site);
  31. u32 vexpress_config_get_master(void);
  32. void vexpress_config_lock(void *arg);
  33. void vexpress_config_unlock(void *arg);
  34. int vexpress_config_get_topo(struct device_node *node, u32 *site,
  35. u32 *position, u32 *dcc);
  36. /* Config bridge API */
  37. struct vexpress_config_bridge_ops {
  38. struct regmap * (*regmap_init)(struct device *dev, void *context);
  39. void (*regmap_exit)(struct regmap *regmap, void *context);
  40. };
  41. struct device *vexpress_config_bridge_register(struct device *parent,
  42. struct vexpress_config_bridge_ops *ops, void *context);
  43. /* Config regmap API */
  44. struct regmap *devm_regmap_init_vexpress_config(struct device *dev);
  45. /* Platform control */
  46. unsigned int vexpress_get_mci_cardin(struct device *dev);
  47. u32 vexpress_get_procid(int site);
  48. void *vexpress_get_24mhz_clock_base(void);
  49. void vexpress_flags_set(u32 data);
  50. void vexpress_sysreg_early_init(void __iomem *base);
  51. int vexpress_syscfg_device_register(struct platform_device *pdev);
  52. /* Clocks */
  53. void vexpress_clk_init(void __iomem *sp810_base);
  54. #endif