diff options
| author | Christoph Pittracher <pitt@segfault.info> | 2015-06-04 09:25:10 +0200 |
|---|---|---|
| committer | Spencer Oliver <spen@spen-soft.co.uk> | 2015-08-06 13:16:02 +0100 |
| commit | e3f8db54e67b503011f624db490964dba9399597 (patch) | |
| tree | 008e6243913efeb9a09d049ec2d2466547ed0acb /tcl/interface | |
| parent | 33d220d10a069be34095313f51ae22052a079b34 (diff) | |
| download | riscv-openocd-e3f8db54e67b503011f624db490964dba9399597.zip riscv-openocd-e3f8db54e67b503011f624db490964dba9399597.tar.gz riscv-openocd-e3f8db54e67b503011f624db490964dba9399597.tar.bz2 | |
bcm2835gpio: Add SWD support, Raspberry Pi 2 support.
Added support for SWD transport similar to sysfsgpio driver.
Added configurable peripheral base address to support Raspberry Pi 2.
Change-Id: If76d45fbe74ce49f1f22af72e5f246e973237e04
Signed-off-by: Christoph Pittracher <pitt@segfault.info>
Reviewed-on: http://openocd.zylin.com/2802
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Diffstat (limited to 'tcl/interface')
| -rw-r--r-- | tcl/interface/raspberrypi-native.cfg | 2 | ||||
| -rw-r--r-- | tcl/interface/raspberrypi2-native.cfg | 42 |
2 files changed, 44 insertions, 0 deletions
diff --git a/tcl/interface/raspberrypi-native.cfg b/tcl/interface/raspberrypi-native.cfg index 058d80b..6b73f35 100644 --- a/tcl/interface/raspberrypi-native.cfg +++ b/tcl/interface/raspberrypi-native.cfg @@ -10,6 +10,8 @@ interface bcm2835gpio +bcm2835gpio_peripheral_base 0x20000000 + # Transition delay calculation: SPEED_COEFF/khz - SPEED_OFFSET # These depend on system clock, calibrated for stock 700MHz # bcm2835gpio_speed SPEED_COEFF SPEED_OFFSET diff --git a/tcl/interface/raspberrypi2-native.cfg b/tcl/interface/raspberrypi2-native.cfg new file mode 100644 index 0000000..f846fa2 --- /dev/null +++ b/tcl/interface/raspberrypi2-native.cfg @@ -0,0 +1,42 @@ +# +# Config for using Raspberry Pi's expansion header +# +# This is best used with a fast enough buffer but also +# is suitable for direct connection if the target voltage +# matches RPi's 3.3V and the cable is short enough. +# +# Do not forget the GND connection, pin 6 of the expansion header. +# + +interface bcm2835gpio + +bcm2835gpio_peripheral_base 0x3F000000 + +# Transition delay calculation: SPEED_COEFF/khz - SPEED_OFFSET +# These depend on system clock, calibrated for stock 700MHz +# bcm2835gpio_speed SPEED_COEFF SPEED_OFFSET +bcm2835gpio_speed_coeffs 146203 36 + +# Each of the JTAG lines need a gpio number set: tck tms tdi tdo +# Header pin numbers: 23 22 19 21 +# bcm2835gpio_jtag_nums 11 25 10 9 + +# or if you have both connected, +# reset_config trst_and_srst srst_push_pull + +# Each of the SWD lines need a gpio number set: swclk swdio +# Header pin numbers: 22 18 +bcm2835gpio_swd_nums 25 24 + +# If you define trst or srst, use appropriate reset_config +# Header pin numbers: TRST - 26, SRST - 18 + +# bcm2835gpio_trst_num 7 +# reset_config trst_only + +bcm2835gpio_srst_num 18 +reset_config srst_only srst_push_pull + +# or if you have both connected, +# reset_config trst_and_srst srst_push_pull + |