diff options
Diffstat (limited to 'tcl/board')
| -rw-r--r-- | tcl/board/atmel_at91sam9rl-ek.cfg | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/tcl/board/atmel_at91sam9rl-ek.cfg b/tcl/board/atmel_at91sam9rl-ek.cfg new file mode 100644 index 00000000..3b932bf4 --- /dev/null +++ b/tcl/board/atmel_at91sam9rl-ek.cfg @@ -0,0 +1,75 @@ +################################################################################ +# +# Generated for Atmel AT91SAM9RL-EK evaluation board using Atmel SAM-ICE (J-Link) V6 +# +# Atmel AT91SAM9RL : PLL = 200 MHz, MCK = 100 MHz +# OSCSEL configured for external 32.768 kHz crystal +# +# 32-bit SDRAM : 2 x Micron MT48LC16M16A2, 4M x 16Bit x 4 Banks +# +################################################################################ + +# We add to the minimal configuration. +source [find target/at91sam9rl.cfg] + +$_TARGETNAME configure -event reset-start { + # At reset CPU runs at 32.768 kHz. + # JTAG Frequency must be 6 times slower if RCLK is not supported. + jtag_rclk 5 + halt + # RSTC_MR : enable user reset, MMU may be enabled... use physical address + mww phys 0xfffffd08 0xa5000501 +} + +$_TARGETNAME configure -event reset-init { + 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 0x2031bf03 # CKGR_PLLR: Set PLL Register for 200 MHz + sleep 20 # wait 20 ms + mww 0xfffffc30 0x00000101 # PMC_MCKR : Select prescaler (divide by 2) + sleep 10 # wait 10 ms + mww 0xfffffc30 0x00000102 # PMC_MCKR : Clock from PLL is selected (100 MHz) + sleep 10 # wait 10 ms + + # Increase JTAG Speed to 6 MHz if RCLK is not supported + jtag_rclk 6000 + + arm7_9 dcc_downloads enable # Enable faster DCC downloads + + mww 0xfffff670 0xffff0000 # PIO_ASR : Select peripheral function for D16..D31 (PIOB) + mww 0xfffff604 0xffff0000 # PIO_PDR : Disable PIO function for D16..D31 (PIOB) + + mww 0xffffef20 0x00010002 # EBI_CSA : Assign EBI Chip Select 1 to SDRAM, VDDIOMSEL set for +3V3 memory + + mww 0xffffea08 0x85227259 # SDRAMC_CR : Configure SDRAM (2 x Micron MT48LC16M16A2 : 4M 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 0x2b6 # SDRAMC_TR : Set refresh timer count to 7us +} |