ddr2_defs.h 2.4 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283
  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Copyright (C) 2011
  4. * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  5. */
  6. #ifndef _DV_DDR2_DEFS_H_
  7. #define _DV_DDR2_DEFS_H_
  8. /*
  9. * DDR2 Memory Ctrl Register structure
  10. * See sprueh7d.pdf for more details.
  11. */
  12. struct dv_ddr2_regs_ctrl {
  13. unsigned char rsvd0[4]; /* 0x00 */
  14. unsigned int sdrstat; /* 0x04 */
  15. unsigned int sdbcr; /* 0x08 */
  16. unsigned int sdrcr; /* 0x0C */
  17. unsigned int sdtimr; /* 0x10 */
  18. unsigned int sdtimr2; /* 0x14 */
  19. unsigned char rsvd1[4]; /* 0x18 */
  20. unsigned int sdbcr2; /* 0x1C */
  21. unsigned int pbbpr; /* 0x20 */
  22. unsigned char rsvd2[156]; /* 0x24 */
  23. unsigned int irr; /* 0xC0 */
  24. unsigned int imr; /* 0xC4 */
  25. unsigned int imsr; /* 0xC8 */
  26. unsigned int imcr; /* 0xCC */
  27. unsigned char rsvd3[20]; /* 0xD0 */
  28. unsigned int ddrphycr; /* 0xE4 */
  29. unsigned int ddrphycr2; /* 0xE8 */
  30. unsigned char rsvd4[4]; /* 0xEC */
  31. };
  32. #define DV_DDR_PHY_PWRDNEN 0x40
  33. #define DV_DDR_PHY_EXT_STRBEN 0x80
  34. #define DV_DDR_PHY_RD_LATENCY_SHIFT 0
  35. #define DV_DDR_SDTMR1_RFC_SHIFT 25
  36. #define DV_DDR_SDTMR1_RP_SHIFT 22
  37. #define DV_DDR_SDTMR1_RCD_SHIFT 19
  38. #define DV_DDR_SDTMR1_WR_SHIFT 16
  39. #define DV_DDR_SDTMR1_RAS_SHIFT 11
  40. #define DV_DDR_SDTMR1_RC_SHIFT 6
  41. #define DV_DDR_SDTMR1_RRD_SHIFT 3
  42. #define DV_DDR_SDTMR1_WTR_SHIFT 0
  43. #define DV_DDR_SDTMR2_RASMAX_SHIFT 27
  44. #define DV_DDR_SDTMR2_XP_SHIFT 25
  45. #define DV_DDR_SDTMR2_ODT_SHIFT 23
  46. #define DV_DDR_SDTMR2_XSNR_SHIFT 16
  47. #define DV_DDR_SDTMR2_XSRD_SHIFT 8
  48. #define DV_DDR_SDTMR2_RTP_SHIFT 5
  49. #define DV_DDR_SDTMR2_CKE_SHIFT 0
  50. #define DV_DDR_SDCR_DDR2TERM1_SHIFT 27
  51. #define DV_DDR_SDCR_IBANK_POS_SHIFT 26
  52. #define DV_DDR_SDCR_MSDRAMEN_SHIFT 25
  53. #define DV_DDR_SDCR_DDRDRIVE1_SHIFT 24
  54. #define DV_DDR_SDCR_BOOTUNLOCK_SHIFT 23
  55. #define DV_DDR_SDCR_DDR_DDQS_SHIFT 22
  56. #define DV_DDR_SDCR_DDR2EN_SHIFT 20
  57. #define DV_DDR_SDCR_DDRDRIVE0_SHIFT 18
  58. #define DV_DDR_SDCR_DDREN_SHIFT 17
  59. #define DV_DDR_SDCR_SDRAMEN_SHIFT 16
  60. #define DV_DDR_SDCR_TIMUNLOCK_SHIFT 15
  61. #define DV_DDR_SDCR_BUS_WIDTH_SHIFT 14
  62. #define DV_DDR_SDCR_CL_SHIFT 9
  63. #define DV_DDR_SDCR_IBANK_SHIFT 4
  64. #define DV_DDR_SDCR_PAGESIZE_SHIFT 0
  65. #define DV_DDR_SDRCR_LPMODEN (1 << 31)
  66. #define DV_DDR_SDRCR_MCLKSTOPEN (1 << 30)
  67. #define DV_DDR_SRCR_LPMODEN_SHIFT 31
  68. #define DV_DDR_SRCR_MCLKSTOPEN_SHIFT 30
  69. #define DV_DDR_BOOTUNLOCK (1 << DV_DDR_SDCR_BOOTUNLOCK_SHIFT)
  70. #define DV_DDR_TIMUNLOCK (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT)
  71. #define dv_ddr2_regs_ctrl \
  72. ((struct dv_ddr2_regs_ctrl *)DAVINCI_DDR_EMIF_CTRL_BASE)
  73. #endif /* _DV_DDR2_DEFS_H_ */