tcl/board/lubbock.cfg

   1 # Intel "Lubbock" Development Board with PXA255 (dbpxa255)
   2 #  Obsolete; this was Intel's original PXA255 development system
   3 #  Board also had CPU cards for SA1100, PXA210, PXA250, and more.
   4
   5 source [find target/pxa255.cfg]
   6
   7 adapter srst delay 250
   8 jtag_ntrst_delay 250
   9
  10 # NOTE: until after pinmux and such are set up, only CS0 is
  11 # available ... not 2nd bank of CFI, or FPGA, SRAM, ENET, etc.
  12
  13 # CS0, CS1 -- two banks of CFI flash, 32 MBytes each
  14 # each bank is 32-bits wide, two 16-bit chips in parallel
  15 set _FLASHNAME $_CHIPNAME.flash0
  16 flash bank $_FLASHNAME cfi 0x00000000 0x02000000 2 4 $_TARGETNAME
  17 set _FLASHNAME $_CHIPNAME.flash1
  18 flash bank $_FLASHNAME cfi 0x04000000 0x02000000 2 4 $_TARGETNAME
  19
  20 # CS2 low -- FPGA registers
  21 # CS2 high -- 1 MByte SRAM at 0x0a00.0000 ... last 64K for scratch
  22 $_TARGETNAME configure -work-area-phys 0x0a0f0000
  23
  24 $_TARGETNAME configure -event reset-assert-pre \
  25         "$_TARGETNAME configure -work-area-size 0"
  26
  27 # Make the hex led display a number, assuming CS2 is set up
  28 # and all digits have been enabled through the FPGA.
  29 proc hexled {u32} {
  30         mww 0x08000010 $u32
  31 }
  32
  33 # CS3 -- Ethernet
  34 # CS4 -- SA1111
  35 # CS5 -- PCMCIA
  36
  37 # NOTE:  system console normally uses the FF UART connector
  38
  39 proc lubbock_init {target} {
  40
  41         echo "Initialize PXA255 Lubbock board"
  42
  43         # (1) pinmux
  44
  45         # GPSR0..GPSR2
  46         mww 0x40e00018 0x00008000
  47         mww 0x40e0001c 0x00FC0382
  48         mww 0x40e00020 0x0001FFFF
  49         # GPDR0..GPDR2
  50         mww 0x40e0000c 0x0060A800
  51         mww 0x40e00010 0x00FF0382
  52         mww 0x40e00014 0x0001C000
  53         # GAFR0_[LU]..GAFR2_[LU]
  54         mww 0x40e00054 0x98400000
  55         mww 0x40e00058 0x00002950
  56         mww 0x40e0005c 0x000A9558
  57         mww 0x40e00060 0x0005AAAA
  58         mww 0x40e00064 0xA0000000
  59         mww 0x40e00068 0x00000002
  60
  61         # write PSSR, enable GPIOs
  62         mww 0x40f00000 0x00000020
  63
  64         # write LED ctrl register ... ones disable
  65         # high byte, 8 hex leds; low byte, 8 discretes
  66         mwh 0x08000040 0xf0ff
  67
  68         hexled 0x0000
  69
  70         # (2) Address space setup
  71
  72         # MSC0/MSC1/MSC2
  73         mww 0x48000008 0x23f223f2
  74         mww 0x4800000c 0x3ff1a441
  75         mww 0x48000010 0x7ff97ff1
  76         # pcmcia/cf
  77         mww 0x48000014 0x00000000
  78         mww 0x48000028 0x00010504
  79         mww 0x4800002c 0x00010504
  80         mww 0x48000030 0x00010504
  81         mww 0x48000034 0x00010504
  82         mww 0x48000038 0x00004715
  83         mww 0x4800003c 0x00004715
  84
  85         hexled 0x1111
  86
  87         # (3) SDRAM setup
  88         # REVISIT this looks dubious ... no refresh cycles
  89         mww 0x48000004 0x03CA4018
  90         mww 0x48000004 0x004B4018
  91         mww 0x48000004 0x000B4018
  92         mww 0x48000004 0x000BC018
  93         mww 0x48000000 0x00001AC8
  94         mww 0x48000000 0x00001AC9
  95
  96         mww 0x48000040 0x00000000
  97
  98         # FIXME -- setup:
  99         #  CLOCKS (and faster JTAG)
 100         #  enable icache
 101
 102         # FIXME SRAM isn't working
 103         # $target configure -work-area-size 0x10000
 104
 105         hexled 0x2222
 106
 107         flash probe 0
 108         flash probe 1
 109
 110         hexled 0xcafe
 111 }
 112 $_TARGETNAME configure -event reset-init "lubbock_init $_TARGETNAME"