tcl/board/tx25_stk5.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 # -------------------------------------------------------------------------
   4 # KaRo TX25 CPU Module on a StarterkitV base board
   5 # http://www.karo-electronics.com/tx25.html
   6 # -------------------------------------------------------------------------
   7
   8
   9 source [find target/imx25.cfg]
  10
  11         #-------------------------------------------------------------------------
  12         # Declare Nand
  13         #-------------------------------------------------------------------------
  14
  15         nand device K9F1G08UOC mxc imx25.cpu mx25 hwecc biswap
  16
  17
  18 $_TARGETNAME configure -event gdb-attach { reset init }
  19 $_TARGETNAME configure -event reset-init { tx25_init }
  20
  21
  22 proc tx25_init { } {
  23
  24         #-------------------------------------------------------------------------
  25         # AIPS setup - Only setup MPROTx registers. The PACR default values are good.
  26         # Set all MPROTx to be non-bufferable, trusted for R/W,
  27         # not forced to user-mode.
  28         #-------------------------------------------------------------------------
  29
  30         mww 0x43f00000 0x77777777
  31         mww 0x43f00004 0x77777777
  32         mww 0x53f00000 0x77777777
  33         mww 0x53f00004 0x77777777
  34
  35         sleep 100
  36
  37         #-------------------------------------------------------------------------
  38         # MAX (Multi-Layer AHB Crossbar Switch) setup
  39         # MPR - priority for MX25 is (SDHC2/SDMA)>USBOTG>RTIC>IAHB>DAHB
  40         #-------------------------------------------------------------------------
  41
  42         mww 0x43f04000 0x00043210
  43         mww 0x43f04100 0x00043210
  44         mww 0x43f04200 0x00043210
  45         mww 0x43f04300 0x00043210
  46         mww 0x43f04400 0x00043210
  47
  48         # SGPCR - always park on last master
  49         mww 0x43f04010 0x10
  50         mww 0x43f04110 0x10
  51         mww 0x43f04210 0x10
  52         mww 0x43f04310 0x10
  53         mww 0x43f04410 0x10
  54
  55         # MGPCR - restore default values
  56         mww 0x43f04800 0x0
  57         mww 0x43f04900 0x0
  58         mww 0x43f04a00 0x0
  59         mww 0x43f04b00 0x0
  60         mww 0x43f04c00 0x0
  61
  62         # Configure M3IF registers
  63         # M3IF Control Register (M3IFCTL) for MX25
  64         # MRRP[0] = LCDC           on priority list (1 << 0)  = 0x00000001
  65         # MRRP[1] = MAX1       not on priority list (0 << 1)  = 0x00000000
  66         # MRRP[2] = MAX0       not on priority list (0 << 2)  = 0x00000000
  67         # MRRP[3] = USB HOST   not on priority list (0 << 3)  = 0x00000000
  68         # MRRP[4] = SDMA       not on priority list (0 << 4)  = 0x00000000
  69         # MRRP[5] = SD/ATA/FEC not on priority list (0 << 5)  = 0x00000000
  70         # MRRP[6] = SCMFBC     not on priority list (0 << 6)  = 0x00000000
  71         # MRRP[7] = CSI        not on priority list (0 << 7)  = 0x00000000
  72         #                                                       ----------
  73         #                                                       0x00000001
  74         mww 0xb8003000 0x00000001
  75
  76         #-------------------------------------------------------------------------
  77         # configure ARM CLK
  78         #-------------------------------------------------------------------------
  79
  80         # Set the Clock CTL (HRM p. 355)
  81         mww 0x53F80008 0x20034000
  82
  83         # Setup Clock Gating CTL 0-2 (HRM p. 357)
  84         mww 0x53F8000C 0x1fffffff
  85         mww 0x53F80010 0xffffffff
  86         mww 0x53F80014 0x000fdfff
  87
  88         #-------------------------------------------------------------------------
  89         # SDRAM initialization
  90         #-------------------------------------------------------------------------
  91
  92         # set to 3.3v SDRAM
  93         mww 0x43FAC454 0x00000800
  94
  95         # reset (set up ESDMISC)
  96         mww 0xB8001010 0x00000002
  97
  98         # Setup for SDRAM Bank 0
  99         #-------------------------------------------------------------------------
 100
 101         # Write ESDCFG0
 102         mww 0xB8001004 0x00095728
 103
 104         # CTL SMode = Precharge command
 105         mww 0xB8001000 0x92116480
 106         mww 0x80000400 0x00000000
 107
 108         # CTL SMode = Auto Refresh command
 109         mww 0xB8001000 0xA2116480
 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         mww 0x80000000 0x0
 117         mww 0x80000000 0x0
 118
 119         # CTL SMode = Load Mode Register command
 120         mww 0xB8001000 0xB2116480
 121         mwb 0x80000033 0x00
 122
 123         # CTL SMode = normal
 124         mww 0xB8001000 0x82116480
 125
 126         # Setup for SDRAM Bank 1
 127         #-------------------------------------------------------------------------
 128
 129         # Write ESDCFG1
 130         mww 0xB800100C 0x00095728
 131
 132         # CTL SMode = Precharge command
 133         mww 0xB8001008 0x92116480
 134         mww 0x90000400 0x00000000
 135
 136         # CTL SMode = Auto Refresh command
 137         mww 0xB8001008 0xA2116480
 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         mww 0x90000000 0x00000000
 145         mww 0x90000000 0x00000000
 146
 147         # CTL SMode = Load Mode Register command
 148         mww 0xB8001008 0xB2116480
 149         mwb 0x90000033 0x00
 150
 151         # CTL SMode = normal
 152         mww 0xB8001008 0x82116480
 153
 154         # GPIO configuration
 155         #-------------------------------------------------------------------------
 156
 157         mww 0x43FAC02C 0x00000015
 158         mww 0x53FD0000 0x01000000
 159         mww 0x53FD0004 0x00000080
 160 }