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100 lines
2.3 KiB

  1. # A PXA255 test board with SST 39LF400A flash
  2. #
  3. # At reset the memory map is as follows. Note that
  4. # the memory map changes later on as the application
  5. # starts...
  6. #
  7. # RAM at 0x4000000
  8. # Flash at 0x00000000
  9. #
  10. source [find target/pxa255.cfg]
  11. # Target name is set by above
  12. $_TARGETNAME configure -work-area-phys 0x4000000 -work-area-size 0x4000 -work-area-backup 0
  13. # flash bank <driver> <base> <size> <chip_width> <bus_width> <target> [options]
  14. set _FLASHNAME $_CHIPNAME.flash
  15. flash bank $_FLASHNAME cfi 0x00000000 0x80000 2 2 $_TARGETNAME jedec_probe
  16. proc pxa255_sst_init {} {
  17. xscale cp15 15 0x00002001 #Enable CP0 and CP13 access
  18. #
  19. # setup GPIO
  20. #
  21. mww 0x40E00018 0x00008000 #CPSR0
  22. sleep 20
  23. mww 0x40E0001C 0x00000002 #GPSR1
  24. sleep 20
  25. mww 0x40E00020 0x00000008 #GPSR2
  26. sleep 20
  27. mww 0x40E0000C 0x00008000 #GPDR0
  28. sleep 20
  29. mww 0x40E00054 0x80000000 #GAFR0_L
  30. sleep 20
  31. mww 0x40E00058 0x00188010 #GAFR0_H
  32. sleep 20
  33. mww 0x40E0005C 0x60908018 #GAFR1_L
  34. sleep 20
  35. mww 0x40E0000C 0x0280E000 #GPDR0
  36. sleep 20
  37. mww 0x40E00010 0x821C88B2 #GPDR1
  38. sleep 20
  39. mww 0x40E00014 0x000F03DB #GPDR2
  40. sleep 20
  41. mww 0x40E00000 0x000F03DB #GPLR0
  42. sleep 20
  43. mww 0x40F00004 0x00000020 #PSSR
  44. sleep 20
  45. #
  46. # setup memory controller
  47. #
  48. mww 0x48000008 0x01111998 #MSC0
  49. sleep 20
  50. mww 0x48000010 0x00047ff0 #MSC2
  51. sleep 20
  52. mww 0x48000014 0x00000000 #MECR
  53. sleep 20
  54. mww 0x48000028 0x00010504 #MCMEM0
  55. sleep 20
  56. mww 0x4800002C 0x00010504 #MCMEM1
  57. sleep 20
  58. mww 0x48000030 0x00010504 #MCATT0
  59. sleep 20
  60. mww 0x48000034 0x00010504 #MCATT1
  61. sleep 20
  62. mww 0x48000038 0x00004715 #MCIO0
  63. sleep 20
  64. mww 0x4800003C 0x00004715 #MCIO1
  65. sleep 20
  66. #
  67. mww 0x48000004 0x03CA4018 #MDREF
  68. sleep 20
  69. mww 0x48000004 0x004B4018 #MDREF
  70. sleep 20
  71. mww 0x48000004 0x000B4018 #MDREF
  72. sleep 20
  73. mww 0x48000004 0x000BC018 #MDREF
  74. sleep 20
  75. mww 0x48000000 0x00001AC8 #MDCNFG
  76. sleep 20
  77. sleep 20
  78. mww 0x48000000 0x00001AC9 #MDCNFG
  79. sleep 20
  80. mww 0x48000040 0x00000000 #MDMRS
  81. sleep 20
  82. }
  83. $_TARGETNAME configure -event reset-init {pxa255_sst_init}
  84. reset_config trst_and_srst
  85. adapter_nsrst_delay 200
  86. jtag_ntrst_delay 200
  87. #xscale debug_handler 0 0xFFFF0800 # debug handler base address