clocks.h 2.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778
  1. /*
  2. * (C) Copyright 2004
  3. * Texas Instruments, <www.ti.com>
  4. * Richard Woodruff <r-woodruff2@ti.com>
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License as
  8. * published by the Free Software Foundation; either version 2 of
  9. * the License, or (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19. * MA 02111-1307 USA
  20. */
  21. #ifndef _OMAP24XX_CLOCKS_H_
  22. #define _OMAP24XX_CLOCKS_H_
  23. #define COMMIT_DIVIDERS 0x1
  24. #define MODE_BYPASS_FAST 0x2
  25. #define APLL_LOCK 0xc
  26. #ifdef CONFIG_APTIX
  27. #define DPLL_LOCK 0x1 /* stay in bypass mode */
  28. #else
  29. #define DPLL_LOCK 0x3 /* DPLL lock */
  30. #endif
  31. /****************************************************************************;
  32. ; PRCM Scheme II
  33. ;
  34. ; Enable clocks and DPLL for:
  35. ; DPLL=300, DPLLout=600 M=1,N=50 CM_CLKSEL1_PLL[21:8] 12/2*50
  36. ; Core=600 (core domain) DPLLx2 CM_CLKSEL2_PLL[1:0]
  37. ; MPUF=300 (mpu domain) 2 CM_CLKSEL_MPU[4:0]
  38. ; DSPF=200 (dsp domain) 3 CM_CLKSEL_DSP[4:0]
  39. ; DSPI=100 6 CM_CLKSEL_DSP[6:5]
  40. ; DSP_S bypass CM_CLKSEL_DSP[7]
  41. ; IVAF=200 (dsp domain) 3 CM_CLKSEL_DSP[12:8]
  42. ; IVAF=100 auto
  43. ; IVAI auto
  44. ; IVA_MPU auto
  45. ; IVA_S bypass CM_CLKSEL_DSP[13]
  46. ; GFXF=50 (gfx domain) 12 CM_CLKSEL_FGX[2:0]
  47. ; SSI_SSRF=200 3 CM_CLKSEL1_CORE[24:20]
  48. ; SSI_SSTF=100 auto
  49. ; L3=100Mhz (sdram) 6 CM_CLKSEL1_CORE[4:0]
  50. ; L4=100Mhz 6
  51. ; C_L4_USB=50 12 CM_CLKSEL1_CORE[6:5]
  52. ***************************************************************************/
  53. #define II_DPLL_OUT_X2 0x2 /* x2 core out */
  54. #define II_MPU_DIV 0x2 /* mpu = core/2 */
  55. #define II_DSP_DIV 0x343 /* dsp & iva divider */
  56. #define II_GFX_DIV 0x2
  57. #define II_BUS_DIV 0x04600C26
  58. #define II_BUS_DIV_ES1 0x04601026
  59. #define II_DPLL_300 0x01832100
  60. /* set defaults for boot up */
  61. #ifdef PRCM_CONFIG_II
  62. #define DPLL_OUT II_DPLL_OUT_X2
  63. #define MPU_DIV II_MPU_DIV
  64. #define DSP_DIV II_DSP_DIV
  65. #define GFX_DIV II_GFX_DIV
  66. #define BUS_DIV II_BUS_DIV
  67. #define BUS_DIV_ES1 II_BUS_DIV_ES1
  68. #define DPLL_VAL II_DPLL_300
  69. #endif
  70. /* lock delay time out */
  71. #define LDELAY 12000000
  72. #endif