diff options
Diffstat (limited to 'tcl/board')
| -rw-r--r-- | tcl/board/at91sam9g20-ek.cfg | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/tcl/board/at91sam9g20-ek.cfg b/tcl/board/at91sam9g20-ek.cfg index deb4da15..741d6018 100644 --- a/tcl/board/at91sam9g20-ek.cfg +++ b/tcl/board/at91sam9g20-ek.cfg @@ -9,13 +9,9 @@ # # source [find target/...cfg] -# Define basic characteristics for the CPU. The AT91SAM9G20 processor is a subtle variant of -# the AT91SAM9260 and shares the same tap ID as it. +source [find target/at91sam9g20.cfg] -set _CHIPNAME at91sam9g20 set _FLASHTYPE nandflash_cs3 -set _ENDIAN little -set _CPUTAPID 0x0792603f # Set reset type. Note that the AT91SAM9G20-EK board has the trst signal disconnected. Therefore # the reset needs to be configured for "srst_only". If for some reason, a zero-ohm jumper is @@ -23,31 +19,9 @@ set _CPUTAPID 0x0792603f reset_config srst_only -# Set up the CPU and generate a new jtag tap for AT91SAM9G20. - -jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID - -# Use caution changing the delays listed below. These seem to be -# affected by the board and type of JTAG adapter. A value of 200 ms seems -# to work reliably for the configuration listed in the file header above. - adapter_nsrst_delay 200 jtag_ntrst_delay 200 -# Set fallback clock to 1/6 of worst-case clock speed (which would be the 32.768 kHz slow clock). - -jtag_rclk 5 - -set _TARGETNAME $_CHIPNAME.cpu -target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME - -# Establish internal SRAM memory work areas that are important to pre-bootstrap loaders, etc. The -# AT91SAM9G20 has two SRAM areas, one starting at 0x00200000 and the other starting at 0x00300000. -# Both areas are 16 kB long. - -#$_TARGETNAME configure -work-area-phys 0x00200000 -work-area-size 0x4000 -work-area-backup 1 -$_TARGETNAME configure -work-area-phys 0x00300000 -work-area-size 0x4000 -work-area-backup 1 - # If you don't want to execute built-in boot rom code (and there are good reasons at times not to do that) in the # AT91SAM9 family, the microcontroller is a lump on a log without initialization. Because this family has # some powerful features, we want to have a special function that handles "reset init". To do this we declare |