tcl/board/tx25_stk5.cfg

   1 # -------------------------------------------------------------------------
   2 # KaRo TX25 CPU Module on a StarterkitV base board
   3 # http://www.karo-electronics.com/tx25.html
   4 # -------------------------------------------------------------------------
   5
   6
   7 source [find tcl/target/imx25.cfg]
   8
   9         #-------------------------------------------------------------------------
  10         # Declare Nand
  11         #-------------------------------------------------------------------------
  12
  13         nand device K9F1G08UOC mxc imx25.cpu mx25 hwecc biswap
  14
  15
  16 $_TARGETNAME configure -event gdb-attach { reset init }
  17 $_TARGETNAME configure -event reset-init { tx25_init }
  18
  19
  20 proc tx25_init { } {
  21
  22         #-------------------------------------------------------------------------
  23         # AIPS setup - Only setup MPROTx registers. The PACR default values are good.
  24         # Set all MPROTx to be non-bufferable, trusted for R/W,
  25         # not forced to user-mode.
  26         #-------------------------------------------------------------------------
  27
  28         mww 0x43f00000 0x77777777
  29         mww 0x43f00004 0x77777777
  30         mww 0x53f00000 0x77777777
  31         mww 0x53f00004 0x77777777
  32
  33         sleep 100
  34
  35         #-------------------------------------------------------------------------
  36         # MAX (Multi-Layer AHB Crossbar Switch) setup
  37         # MPR - priority for MX25 is (SDHC2/SDMA)>USBOTG>RTIC>IAHB>DAHB
  38         #-------------------------------------------------------------------------
  39
  40         mww 0x43f04000 0x00043210
  41         mww 0x43f04100 0x00043210
  42         mww 0x43f04200 0x00043210
  43         mww 0x43f04300 0x00043210
  44         mww 0x43f04400 0x00043210
  45
  46         # SGPCR - always park on last master
  47         mww 0x43f04010 0x10
  48         mww 0x43f04110 0x10
  49         mww 0x43f04210 0x10
  50         mww 0x43f04310 0x10
  51         mww 0x43f04410 0x10
  52
  53         # MGPCR - restore default values
  54         mww 0x43f04800 0x0
  55         mww 0x43f04900 0x0
  56         mww 0x43f04a00 0x0
  57         mww 0x43f04b00 0x0
  58         mww 0x43f04c00 0x0
  59
  60         # Configure M3IF registers
  61         # M3IF Control Register (M3IFCTL) for MX25
  62         # MRRP[0] = LCDC           on priority list (1 << 0)  = 0x00000001
  63         # MRRP[1] = MAX1       not on priority list (0 << 1)  = 0x00000000
  64         # MRRP[2] = MAX0       not on priority list (0 << 2)  = 0x00000000
  65         # MRRP[3] = USB HOST   not on priority list (0 << 3)  = 0x00000000
  66         # MRRP[4] = SDMA       not on priority list (0 << 4)  = 0x00000000
  67         # MRRP[5] = SD/ATA/FEC not on priority list (0 << 5)  = 0x00000000
  68         # MRRP[6] = SCMFBC     not on priority list (0 << 6)  = 0x00000000
  69         # MRRP[7] = CSI        not on priority list (0 << 7)  = 0x00000000
  70         #                                                       ----------
  71         #                                                       0x00000001
  72         mww 0xb8003000 0x00000001
  73
  74         #-------------------------------------------------------------------------
  75         # configure ARM CLK
  76         #-------------------------------------------------------------------------
  77
  78         # Set the Clock CTL (HRM p. 355)
  79         mww 0x53F80008 0x20034000
  80
  81         # Setup Clock Gating CTL 0-2 (HRM p. 357)
  82         mww 0x53F8000C 0x1fffffff
  83         mww 0x53F80010 0xffffffff
  84         mww 0x53F80014 0x000fdfff
  85
  86         #-------------------------------------------------------------------------
  87         # SDRAM initialization
  88         #-------------------------------------------------------------------------
  89
  90         # set to 3.3v SDRAM
  91         mww 0x43FAC454 0x00000800
  92
  93         # reset (set up ESDMISC)
  94         mww 0xB8001010 0x00000002
  95
  96         # Setup for SDRAM Bank 0
  97         #-------------------------------------------------------------------------
  98
  99         # Write ESDCFG0
 100         mww 0xB8001004 0x00095728
 101
 102         # CTL SMode = Precharge command
 103         mww 0xB8001000 0x92116480
 104         mww 0x80000400 0x00000000
 105
 106         # CTL SMode = Auto Refresh command
 107         mww 0xB8001000 0xA2116480
 108         mww 0x80000000 0x0
 109         mww 0x80000000 0x0
 110         mww 0x80000000 0x0
 111         mww 0x80000000 0x0
 112         mww 0x80000000 0x0
 113         mww 0x80000000 0x0
 114         mww 0x80000000 0x0
 115         mww 0x80000000 0x0
 116
 117         # CTL SMode = Load Mode Register command
 118         mww 0xB8001000 0xB2116480
 119         mwb 0x80000033 0x00
 120
 121         # CTL SMode = normal
 122         mww 0xB8001000 0x82116480
 123
 124         # Setup for SDRAM Bank 1
 125         #-------------------------------------------------------------------------
 126
 127         # Write ESDCFG1
 128         mww 0xB800100C 0x00095728
 129
 130         # CTL SMode = Precharge command
 131         mww 0xB8001008 0x92116480
 132         mww 0x90000400 0x00000000
 133
 134         # CTL SMode = Auto Refresh command
 135         mww 0xB8001008 0xA2116480
 136         mww 0x90000000 0x00000000
 137         mww 0x90000000 0x00000000
 138         mww 0x90000000 0x00000000
 139         mww 0x90000000 0x00000000
 140         mww 0x90000000 0x00000000
 141         mww 0x90000000 0x00000000
 142         mww 0x90000000 0x00000000
 143         mww 0x90000000 0x00000000
 144
 145         # CTL SMode = Load Mode Register command
 146         mww 0xB8001008 0xB2116480
 147         mwb 0x90000033 0x00
 148
 149         # CTL SMode = normal
 150         mww 0xB8001008 0x82116480
 151
 152         # GPIO configuration
 153         #-------------------------------------------------------------------------
 154
 155         mww 0x43FAC02C 0x00000015
 156         mww 0x53FD0000 0x01000000
 157         mww 0x53FD0004 0x00000080
 158 }