tcl/board/lubbock.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 # Intel "Lubbock" Development Board with PXA255 (dbpxa255)
   4 #  Obsolete; this was Intel's original PXA255 development system
   5 #  Board also had CPU cards for SA1100, PXA210, PXA250, and more.
   6
   7 source [find target/pxa255.cfg]
   8
   9 adapter srst delay 250
  10 jtag_ntrst_delay 250
  11
  12 # NOTE: until after pinmux and such are set up, only CS0 is
  13 # available ... not 2nd bank of CFI, or FPGA, SRAM, ENET, etc.
  14
  15 # CS0, CS1 -- two banks of CFI flash, 32 MBytes each
  16 # each bank is 32-bits wide, two 16-bit chips in parallel
  17 set _FLASHNAME $_CHIPNAME.flash0
  18 flash bank $_FLASHNAME cfi 0x00000000 0x02000000 2 4 $_TARGETNAME
  19 set _FLASHNAME $_CHIPNAME.flash1
  20 flash bank $_FLASHNAME cfi 0x04000000 0x02000000 2 4 $_TARGETNAME
  21
  22 # CS2 low -- FPGA registers
  23 # CS2 high -- 1 MByte SRAM at 0x0a00.0000 ... last 64K for scratch
  24 $_TARGETNAME configure -work-area-phys 0x0a0f0000
  25
  26 $_TARGETNAME configure -event reset-assert-pre \
  27         "$_TARGETNAME configure -work-area-size 0"
  28
  29 # Make the hex led display a number, assuming CS2 is set up
  30 # and all digits have been enabled through the FPGA.
  31 proc hexled {u32} {
  32         mww 0x08000010 $u32
  33 }
  34
  35 # CS3 -- Ethernet
  36 # CS4 -- SA1111
  37 # CS5 -- PCMCIA
  38
  39 # NOTE:  system console normally uses the FF UART connector
  40
  41 proc lubbock_init {target} {
  42
  43         echo "Initialize PXA255 Lubbock board"
  44
  45         # (1) pinmux
  46
  47         # GPSR0..GPSR2
  48         mww 0x40e00018 0x00008000
  49         mww 0x40e0001c 0x00FC0382
  50         mww 0x40e00020 0x0001FFFF
  51         # GPDR0..GPDR2
  52         mww 0x40e0000c 0x0060A800
  53         mww 0x40e00010 0x00FF0382
  54         mww 0x40e00014 0x0001C000
  55         # GAFR0_[LU]..GAFR2_[LU]
  56         mww 0x40e00054 0x98400000
  57         mww 0x40e00058 0x00002950
  58         mww 0x40e0005c 0x000A9558
  59         mww 0x40e00060 0x0005AAAA
  60         mww 0x40e00064 0xA0000000
  61         mww 0x40e00068 0x00000002
  62
  63         # write PSSR, enable GPIOs
  64         mww 0x40f00000 0x00000020
  65
  66         # write LED ctrl register ... ones disable
  67         # high byte, 8 hex leds; low byte, 8 discretes
  68         mwh 0x08000040 0xf0ff
  69
  70         hexled 0x0000
  71
  72         # (2) Address space setup
  73
  74         # MSC0/MSC1/MSC2
  75         mww 0x48000008 0x23f223f2
  76         mww 0x4800000c 0x3ff1a441
  77         mww 0x48000010 0x7ff97ff1
  78         # pcmcia/cf
  79         mww 0x48000014 0x00000000
  80         mww 0x48000028 0x00010504
  81         mww 0x4800002c 0x00010504
  82         mww 0x48000030 0x00010504
  83         mww 0x48000034 0x00010504
  84         mww 0x48000038 0x00004715
  85         mww 0x4800003c 0x00004715
  86
  87         hexled 0x1111
  88
  89         # (3) SDRAM setup
  90         # REVISIT this looks dubious ... no refresh cycles
  91         mww 0x48000004 0x03CA4018
  92         mww 0x48000004 0x004B4018
  93         mww 0x48000004 0x000B4018
  94         mww 0x48000004 0x000BC018
  95         mww 0x48000000 0x00001AC8
  96         mww 0x48000000 0x00001AC9
  97
  98         mww 0x48000040 0x00000000
  99
 100         # FIXME -- setup:
 101         #  CLOCKS (and faster JTAG)
 102         #  enable icache
 103
 104         # FIXME SRAM isn't working
 105         # $target configure -work-area-size 0x10000
 106
 107         hexled 0x2222
 108
 109         flash probe 0
 110         flash probe 1
 111
 112         hexled 0xcafe
 113 }
 114 $_TARGETNAME configure -event reset-init "lubbock_init $_TARGETNAME"