cm2xxx.h 2.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * OMAP2xxx Clock Management (CM) register definitions
  4. *
  5. * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
  6. * Copyright (C) 2007-2010 Nokia Corporation
  7. * Paul Walmsley
  8. *
  9. * The CM hardware modules on the OMAP2/3 are quite similar to each
  10. * other. The CM modules/instances on OMAP4 are quite different, so
  11. * they are handled in a separate file.
  12. */
  13. #ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_H
  14. #define __ARCH_ASM_MACH_OMAP2_CM2XXX_H
  15. #include "prcm-common.h"
  16. #include "cm2xxx_3xxx.h"
  17. #define OMAP2420_CM_REGADDR(module, reg) \
  18. OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
  19. #define OMAP2430_CM_REGADDR(module, reg) \
  20. OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
  21. /*
  22. * Module specific CM register offsets from CM_BASE + domain offset
  23. * Use cm_{read,write}_mod_reg() with these registers.
  24. * These register offsets generally appear in more than one PRCM submodule.
  25. */
  26. /* OMAP2-specific register offsets */
  27. #define OMAP24XX_CM_FCLKEN2 0x0004
  28. #define OMAP24XX_CM_ICLKEN4 0x001c
  29. #define OMAP24XX_CM_AUTOIDLE4 0x003c
  30. #define OMAP24XX_CM_IDLEST4 0x002c
  31. /* CM_IDLEST bit field values to indicate deasserted IdleReq */
  32. #define OMAP24XX_CM_IDLEST_VAL 0
  33. /* Clock management domain register get/set */
  34. #ifndef __ASSEMBLER__
  35. extern void omap2xxx_cm_set_dpll_disable_autoidle(void);
  36. extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void);
  37. extern void omap2xxx_cm_set_apll54_disable_autoidle(void);
  38. extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void);
  39. extern void omap2xxx_cm_set_apll96_disable_autoidle(void);
  40. extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void);
  41. int omap2xxx_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_id,
  42. u8 idlest_shift);
  43. extern int omap2xxx_cm_fclks_active(void);
  44. extern int omap2xxx_cm_mpu_retention_allowed(void);
  45. extern u32 omap2xxx_cm_get_core_clk_src(void);
  46. extern u32 omap2xxx_cm_get_core_pll_config(void);
  47. extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core,
  48. u32 mdm);
  49. int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data);
  50. #endif
  51. #endif