blob: 4d69f0fdd7411604d0df46eb9a83ebbdd839afc7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
# Thanks to Pieter Conradie for this script!
# Target: Atmel AT91SAM9260
######################################
# We add to the minimal configuration.
source [find target/at91sam9260.cfg]
######################
# Target configuration
######################
$_TARGETNAME configure -event reset-init {
# at reset chip runs at 32khz
jtag_khz 8
mww 0xfffffd08 0xa5000501 # RSTC_MR : enable user reset
mww 0xfffffd44 0x00008000 # WDT_MR : disable watchdog
mww 0xfffffc20 0x00004001 # CKGR_MOR : enable the main oscillator
sleep 20 # wait 20 ms
mww 0xfffffc30 0x00000001 # PMC_MCKR : switch to main oscillator
sleep 10 # wait 10 ms
mww 0xfffffc28 0x2060bf09 # CKGR_PLLAR: Set PLLA Register for 198,656MHz
sleep 20 # wait 20 ms
mww 0xfffffc30 0x00000101 # PMC_MCKR : Select prescaler
sleep 10 # wait 10 ms
mww 0xfffffc30 0x00000102 # PMC_MCKR : Clock from PLLA is selected
sleep 10 # wait 10 ms
# Now run at anything fast... ie: 10mhz!
jtag_khz 10000 # Increase JTAG Speed to 6 MHz
arm7_9 dcc_downloads enable # Enable faster DCC downloads
mww 0xffffec00 0x01020102 # SMC_SETUP0 : Setup SMC for Intel NOR Flash JS28F128P30T85 128MBit
mww 0xffffec04 0x09070806 # SMC_PULSE0
mww 0xffffec08 0x000d000b # SMC_CYCLE0
mww 0xffffec0c 0x00001003 # SMC_MODE0
flash probe 0 # Identify flash bank 0
mww 0xfffff870 0xffff0000 # PIO_ASR : Select peripheral function for D15..D31
mww 0xfffff804 0xffff0000 # PIO_PDR : Disable PIO function for D15..D31
mww 0xffffef1c 0x2 # EBI_CSA : Assign EBI Chip Select 1 to SDRAM
#mww 0xffffea08 0x85227259 # SDRAMC_CR : Configure SDRAM (2 x Samsung K4S561632H-UC75 : 4M x 16Bit x 4 Banks)
mww 0xffffea08 0x85227254 # SDRAMC_CR : Configure SDRAM (2 x Samsung K4S641632H-UC75 : 1M x 16Bit x 4 Banks)
mww 0xffffea00 0x1 # SDRAMC_MR : issue a NOP command
mww 0x20000000 0
mww 0xffffea00 0x2 # SDRAMC_MR : issue an 'All Banks Precharge' command
mww 0x20000000 0
mww 0xffffea00 0x4 # SDRAMC_MR : issue 8 x 'Auto-Refresh' Command
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x3 # SDRAMC_MR : issue a 'Load Mode Register' command
mww 0x20000000 0
mww 0xffffea00 0x0 # SDRAMC_MR : normal mode
mww 0x20000000 0
mww 0xffffea04 0x5d2 # SDRAMC_TR : Set refresh timer count to 15us
}
#####################
# Flash configuration
#####################
#flash bank cfi <base> <size> <chip width> <bus width> <target#>
flash bank cfi 0x10000000 0x01000000 2 2 0
|
