2 # GDB Init script for the Coldfire 5272 based NETtel board.
4 # The main purpose of this script is to configure the
5 # DRAM controller so code can be loaded.
10 set $mbar = 0x10000001
11 set $scr = $mbar - 1 + 0x004
12 set $spr = $mbar - 1 + 0x006
13 set $pmr = $mbar - 1 + 0x008
14 set $apmr = $mbar - 1 + 0x00e
15 set $dir = $mbar - 1 + 0x010
16 set $icr1 = $mbar - 1 + 0x020
17 set $icr2 = $mbar - 1 + 0x024
18 set $icr3 = $mbar - 1 + 0x028
19 set $icr4 = $mbar - 1 + 0x02c
20 set $isr = $mbar - 1 + 0x030
21 set $pitr = $mbar - 1 + 0x034
22 set $piwr = $mbar - 1 + 0x038
23 set $pivr = $mbar - 1 + 0x03f
24 set $csbr0 = $mbar - 1 + 0x040
25 set $csor0 = $mbar - 1 + 0x044
26 set $csbr1 = $mbar - 1 + 0x048
27 set $csor1 = $mbar - 1 + 0x04c
28 set $csbr2 = $mbar - 1 + 0x050
29 set $csor2 = $mbar - 1 + 0x054
30 set $csbr3 = $mbar - 1 + 0x058
31 set $csor3 = $mbar - 1 + 0x05c
32 set $csbr4 = $mbar - 1 + 0x060
33 set $csor4 = $mbar - 1 + 0x064
34 set $csbr5 = $mbar - 1 + 0x068
35 set $csor5 = $mbar - 1 + 0x06c
36 set $csbr6 = $mbar - 1 + 0x070
37 set $csor6 = $mbar - 1 + 0x074
38 set $csbr7 = $mbar - 1 + 0x078
39 set $csor7 = $mbar - 1 + 0x07c
40 set $pacnt = $mbar - 1 + 0x080
41 set $paddr = $mbar - 1 + 0x084
42 set $padat = $mbar - 1 + 0x086
43 set $pbcnt = $mbar - 1 + 0x088
44 set $pbddr = $mbar - 1 + 0x08c
45 set $pbdat = $mbar - 1 + 0x08e
46 set $pcddr = $mbar - 1 + 0x094
47 set $pcdat = $mbar - 1 + 0x096
48 set $pdcnt = $mbar - 1 + 0x098
49 set $sdcr = $mbar - 1 + 0x180
50 set $sdtr = $mbar - 1 + 0x184
51 set $wrrr = $mbar - 1 + 0x280
52 set $wirr = $mbar - 1 + 0x283
53 set $wcr = $mbar - 1 + 0x288
54 set $wer = $mbar - 1 + 0x28c
60 # Setup system configuration
63 set *((unsigned short *) $scr) = 0x9003
64 set *((unsigned short *) $spr) = 0x00ff
65 set *((unsigned char *) $pivr) = 0x4f
75 set *((unsigned long *) $csbr0) = 0xf0000201
76 set *((unsigned long *) $csor0) = 0xf0000014
79 set *((unsigned long *) $csbr1) = 0x00000000
80 set *((unsigned long *) $csor1) = 0x00000000
83 set *((unsigned long *) $csbr2) = 0x00000000
84 set *((unsigned long *) $csor2) = 0x00000000
86 # CS3 -- Davicom 10Mb ethernet, 16bit,
87 set *((unsigned long *) $csbr3) = 0x30600201
88 set *((unsigned long *) $csor3) = 0xfff0007c
91 set *((unsigned long *) $csbr4) = 0x00000000
92 set *((unsigned long *) $csor4) = 0x00000000
95 set *((unsigned long *) $csbr5) = 0x00000000
96 set *((unsigned long *) $csor5) = 0x00000000
99 set *((unsigned long *) $csbr6) = 0x00000000
100 set *((unsigned long *) $csor6) = 0x00000000
102 # CS7 -- SDRAM, 4MB, 32 bit
103 set *((unsigned long *) $csbr7) = 0x00000701
104 set *((unsigned long *) $csor7) = 0xffc0007c
106 # CS7 -- SDRAM, 8MB, 16 bit
107 #set *((unsigned long *) $csbr7) = 0x00000601
108 #set *((unsigned long *) $csor7) = 0xff80017c
114 # Setup the DRAM controller.
118 set *((unsigned long *) $sdtr) = 0x0000f539
120 set *((unsigned long *) $sdcr) = 0x00004211
122 #set *((unsigned long *) $sdcr) = 0x00002211
124 # Dummy write to start SDRAM
125 set *((unsigned long *) 0) = 0
130 # Setup for GPIO pins
135 set *((unsigned long *) $pacnt) = 0x00000000
136 set *((unsigned short *) $paddr) = 0x001f
137 set *((unsigned short *) $padat) = 0xffff
140 set *((unsigned long *) $pbcnt) = 0x55550555
141 set *((unsigned short *) $pbddr) = 0x0040
142 set *((unsigned short *) $pbdat) = 0xffff
144 # PORT C -- not used, in 32 bit mode
147 set *((unsigned long *) $pdcnt) = 0x00000000
153 # FLASH prgramming code
156 set *((unsigned short *) 0xf0000aaa) = 0xaaaa
157 set *((unsigned short *) 0xf0000554) = 0x5555
158 set *((unsigned short *) 0xf0000aaa) = 0x8080
159 set *((unsigned short *) 0xf0000aaa) = 0xaaaa
160 set *((unsigned short *) 0xf0000554) = 0x5555
161 set *((unsigned short *) 0xf0000000) = 0x3030
164 define flash-programword
165 set *((unsigned short *) 0xf0000aaa) = 0xaaaa
166 set *((unsigned short *) 0xf0000554) = 0x5555
167 set *((unsigned short *) 0xf0000aaa) = 0xa0a0
168 set *((unsigned short *) $arg0) = $arg1
169 #while (*((unsigned short *) $arg0) != $arg1)
173 define flash-programstartaddr
174 flash-programword 0xf0000004 0x0000
175 flash-programword 0xf0000006 0x0400
180 set $dst = 0xf0000400
181 set $src = 0x20000000
182 flash-programstartaddr
184 set $word = *((unsigned short *) $src)
185 flash-programword $dst $word
197 load boot/etherboot/ethboot-bdm.elf
198 load boot/boot-bdm.elf
199 symbol-file boot/boot-bdm.elf
201 add-symbol-file boot/etherboot/ethboot-bdm.elf ðerboot_addr
202 echo \nType 'cont' to start bootloader...\n
207 # NETtel 5272 uClinux-coldfire target...
209 target bdm /dev/bdmcf0
216 set $rambar = 0x20000001
218 set print asm-demangle