1 source [find target/at91sam7a2.cfg]
3 # delays needed to get stable reads of cpu state
7 # board uses pullup and connects only srst
8 reset_config srst_open_drain
10 # srst is connected to NRESET of CPU and fully resets everything...
11 reset_config srst_only srst_pulls_trst
14 $_TARGETNAME configure -event reset-start {
18 $_TARGETNAME configure -event reset-init {
19 # init script from http://www.mikrocontroller.net/topic/107462
21 # AMC (advanced memory controller)
24 # AMC_CS0 - FLASH 1MB (0x40000000-0x400FFFFF) + DM9000E (0x40100000)
25 mww 0xFFE00000 0x40003EBD
27 # AMC_CS1 - RAM low 2MB (0x40400000-0x405FFFFF)
28 mww 0xFFE00004 0x404030A9
30 # AMC_CS2 - RAM high 2MB (0x40800000-0x405FFFFF)
31 #mww 0xFFE00008 0x404030A9
33 mww 0xFFE00008 0x408030A9
36 mww 0xFFE00024 0x00000004
39 mww 0xFFE00020 0x00000001
44 # the following base addresses from the original script did not correspond to those from datasheet
45 # changed bases from 0xFF000000 to 0xFFF00000
47 # disable watchdog, to prevent unwanted resets
48 mww 0xFFFA0068 0x00000000
49 echo "disabled watchdog"
54 mww 0xFFFEC004 0x18070004
56 # PLL = 10 ==> Coreclock = 6Mhz*10/2 = 30 Mhz
57 mww 0xFFFEC010 0x762D800A
60 mww 0xFFFEC000 0x23050004
67 $_TARGETNAME arm7_9 dcc_downloads enable
68 $_TARGETNAME arm7_9 fast_memory_access enable
70 # remap: ram at 0, flash at 0x40000000, like reset-init above does
71 $_TARGETNAME configure -work-area-phys 0x00000000 -work-area-size 0x4000 -work-area-backup 1
72 flash bank onboard.flash cfi 0x40000000 0x00100000 2 2 at91sam7a2.cpu
74 # boot: ram at 0x300000, flash at 0x0, useful if board is in funny configuration
75 #$_TARGETNAME configure -work-area-phys 0x00300000 -work-area-size 0x4000 -work-area-backup 1
76 #flash bank onboard1.flash cfi 0x00000000 0x00100000 2 2 at91sam7a2.cpu