tcl/board/sheevaplug.cfg

   1 # Marvell SheevaPlug
   2
   3 source [find interface/sheevaplug.cfg]
   4 source [find target/feroceon.cfg]
   5
   6 $_TARGETNAME configure \
   7         -work-area-phys 0x10000000 \
   8         -work-area-size 65536 \
   9         -work-area-backup 0
  10
  11 arm7_9 dcc_downloads enable
  12
  13 # this assumes the hardware default peripherals location before u-Boot moves it
  14 nand device orion 0 0xd8000000
  15
  16 proc sheevaplug_init { } {
  17
  18         # We need to assert DBGRQ while holding nSRST down.
  19         # However DBGACK will be set only when nSRST is released.
  20         # Furthermore, the JTAG interface doesn't respond at all when
  21         # the CPU is in the WFI (wait for interrupts) state, so it is
  22         # possible that initial tap examination failed.  So let's
  23         # re-examine the target again here when nSRST is asserted which
  24         # should then succeed.
  25         jtag_reset 0 1
  26         feroceon.cpu arp_examine
  27         halt 0
  28         jtag_reset 0 0
  29         wait_halt
  30
  31         arm926ejs cp15 0 0 1 0 0x00052078
  32
  33         mww 0xD0001400 0x43000C30 #  DDR SDRAM Configuration Register
  34         mww 0xD0001404 0x39543000 #  Dunit Control Low Register
  35         mww 0xD0001408 0x22125451 #  DDR SDRAM Timing (Low) Register
  36         mww 0xD000140C 0x00000833 #  DDR SDRAM Timing (High) Register
  37         mww 0xD0001410 0x000000CC #  DDR SDRAM Address Control Register
  38         mww 0xD0001414 0x00000000 #  DDR SDRAM Open Pages Control Register
  39         mww 0xD0001418 0x00000000 #  DDR SDRAM Operation Register
  40         mww 0xD000141C 0x00000C52 #  DDR SDRAM Mode Register
  41         mww 0xD0001420 0x00000042 #  DDR SDRAM Extended Mode Register
  42         mww 0xD0001424 0x0000F17F #  Dunit Control High Register
  43         mww 0xD0001428 0x00085520 #  Dunit Control High Register
  44         mww 0xD000147c 0x00008552 #  Dunit Control High Register
  45         mww 0xD0001504 0x0FFFFFF1 #  CS0n Size Register
  46         mww 0xD0001508 0x10000000 #  CS1n Base Register
  47         mww 0xD000150C 0x0FFFFFF5 #  CS1n Size Register
  48         mww 0xD0001514 0x00000000 #  CS2n Size Register
  49         mww 0xD000151C 0x00000000 #  CS3n Size Register
  50         mww 0xD0001494 0x003C0000 #  DDR2 SDRAM ODT Control (Low) Register
  51         mww 0xD0001498 0x00000000 #  DDR2 SDRAM ODT Control (High) REgister
  52         mww 0xD000149C 0x0000F80F #  DDR2 Dunit ODT Control Register
  53         mww 0xD0001480 0x00000001 #  DDR SDRAM Initialization Control Register
  54         mww 0xD0020204 0x00000000 #  Main IRQ Interrupt Mask Register
  55         mww 0xD0020204 0x00000000 #              "
  56         mww 0xD0020204 0x00000000 #              "
  57         mww 0xD0020204 0x00000000 #              "
  58         mww 0xD0020204 0x00000000 #              "
  59         mww 0xD0020204 0x00000000 #              "
  60         mww 0xD0020204 0x00000000 #              "
  61         mww 0xD0020204 0x00000000 #              "
  62         mww 0xD0020204 0x00000000 #              "
  63         mww 0xD0020204 0x00000000 #              "
  64         mww 0xD0020204 0x00000000 #              "
  65         mww 0xD0020204 0x00000000 #              "
  66         mww 0xD0020204 0x00000000 #              "
  67         mww 0xD0020204 0x00000000 #              "
  68         mww 0xD0020204 0x00000000 #              "
  69         mww 0xD0020204 0x00000000 #              "
  70         mww 0xD0020204 0x00000000 #              "
  71         mww 0xD0020204 0x00000000 #              "
  72         mww 0xD0020204 0x00000000 #              "
  73         mww 0xD0020204 0x00000000 #              "
  74         mww 0xD0020204 0x00000000 #              "
  75         mww 0xD0020204 0x00000000 #              "
  76         mww 0xD0020204 0x00000000 #              "
  77         mww 0xD0020204 0x00000000 #              "
  78         mww 0xD0020204 0x00000000 #              "
  79         mww 0xD0020204 0x00000000 #              "
  80         mww 0xD0020204 0x00000000 #              "
  81         mww 0xD0020204 0x00000000 #              "
  82         mww 0xD0020204 0x00000000 #              "
  83         mww 0xD0020204 0x00000000 #              "
  84         mww 0xD0020204 0x00000000 #              "
  85         mww 0xD0020204 0x00000000 #              "
  86         mww 0xD0020204 0x00000000 #              "
  87         mww 0xD0020204 0x00000000 #              "
  88         mww 0xD0020204 0x00000000 #              "
  89         mww 0xD0020204 0x00000000 #              "
  90         mww 0xD0020204 0x00000000 #              "
  91
  92         mww 0xD0010000 0x01111111 #  MPP  0 to 7
  93         mww 0xD0010004 0x11113322 #  MPP  8 to 15
  94         mww 0xD0010008 0x00001111 #  MPP 16 to 23
  95
  96         mww 0xD0010418 0x003E07CF #  NAND Read Parameters REgister
  97         mww 0xD001041C 0x000F0F0F #  NAND Write Parameters Register
  98         mww 0xD0010470 0x01C7D943 #  NAND Flash Control Register
  99
 100 }
 101
 102 proc sheevaplug_reflash_uboot { } {
 103
 104         # reflash the u-Boot binary and reboot into it
 105         sheevaplug_init
 106         nand probe 0
 107         nand erase 0 0x0 0xa0000
 108         nand write 0 uboot.bin 0 oob_softecc_kw
 109         resume
 110
 111 }
 112
 113 proc sheevaplug_reflash_uboot_env { } {
 114
 115         # reflash the u-Boot environment variables area
 116         sheevaplug_init
 117         nand probe 0
 118         nand erase 0 0xa0000 0x40000
 119         nand write 0 uboot-env.bin 0xa0000 oob_softecc_kw
 120         resume
 121
 122 }
 123
 124 proc sheevaplug_load_uboot { } {
 125
 126         # load u-Boot into RAM and execute it
 127         sheevaplug_init
 128         load_image uboot.elf
 129         verify_image uboot.elf
 130         resume 0x00600000
 131
 132 }
 133