1 # SPDX-License-Identifier: GPL-2.0-or-later
3 # The Linuxstamp-mx27 is board has a single IMX27 chip
4 # For further info see http://opencircuits.com/Linuxstamp_mx27#OpenOCD
5 source [find target/imx27.cfg]
6 $_TARGETNAME configure -event gdb-attach { reset init }
7 $_TARGETNAME configure -event reset-init { imx27lnst_init }
9 proc imx27lnst_init { } {
10 # This setup puts RAM at 0xA0000000
12 # reset the board correctly
17 mww 0x10000000 0x20040304
18 mww 0x10020000 0x00000000
19 mww 0x10000004 0xDFFBFCFB
20 mww 0x10020004 0xFFFFFFFF
24 # ========================================
25 # Configure DDR on CSD0 -- initial reset
26 # ========================================
27 mww 0xD8001010 0x00000008
31 # ========================================
32 # Configure DDR on CSD0 -- wait 5000 cycle
33 # ========================================
34 mww 0x10027828 0x55555555
35 mww 0x10027830 0x55555555
36 mww 0x10027834 0x55555555
37 mww 0x10027838 0x00005005
38 mww 0x1002783C 0x15555555
40 mww 0xD8001010 0x00000004
42 mww 0xD8001004 0x00795729
44 #mww 0xD8001000 0x92200000
45 mww 0xD8001000 0x91120000
48 #mww 0xD8001000 0xA2200000
49 mww 0xD8001000 0xA1120000
53 #mww 0xD8001000 0xB2200000
54 mww 0xD8001000 0xB1120000
58 #mww 0xD8001000 0x82228085
59 mww 0xD8001000 0x81128080