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