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Diffstat (limited to 'docs/Bootloaders.md')
| -rw-r--r-- | docs/Bootloaders.md | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/docs/Bootloaders.md b/docs/Bootloaders.md index ae4d8721..35d0815d 100644 --- a/docs/Bootloaders.md +++ b/docs/Bootloaders.md @@ -193,9 +193,8 @@ interface. This is commonly done with a dedicated SWD hardware dongle. Alternatively, one can use a [Raspberry Pi with OpenOCD](#running-openocd-on-the-raspberry-pi). -To flash a bootloader with OpenOCD use a chip config similar to: +To flash a bootloader with OpenOCD use the following chip config: ``` -set CHIPNAME at91samd21g18 source [find target/at91samdXX.cfg] ``` Obtain a bootloader - for example: @@ -231,9 +230,8 @@ SAMD51 micro-controllers (Adafruit Metro-M4 and similar) Like the SAMD21, the SAMD51 bootloader is flashed via the ARM Serial Wire Debug (SWD) interface. To flash a bootloader with [OpenOCD on a Raspberry Pi](#running-openocd-on-the-raspberry-pi) use -a chip config similar to: +the following chip config: ``` -set CHIPNAME at91samd51g19 source [find target/atsame5x.cfg] ``` Obtain a bootloader - several bootloaders are available from @@ -361,15 +359,18 @@ bcm2835gpio_swd_nums 25 24 bcm2835gpio_srst_num 18 transport select swd -# Set the chip (at91samd51j19 in this example) -set CHIPNAME at91samd51j19 +# Use hardware reset wire for chip resets +reset_config srst_only +adapter_nsrst_delay 100 +adapter_nsrst_assert_width 100 + +# Specify the chip type source [find target/atsame5x.cfg] # Set the adapter speed adapter_khz 40 -adapter_nsrst_delay 100 -adapter_nsrst_assert_width 100 +# Connect to chip init targets reset halt |