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RPI RP 2040 support #144

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9ee3929
extra: add bin2uf2 tool
pennam Jun 17, 2025
16ca6b6
extra: copy uf2 files to firmware folder
pennam Jun 17, 2025
d55e832
platform: allow using picotool to burn (boot)loader
pennam Jun 17, 2025
8e63528
variant: add rpi_pico_rp2040
pennam Jun 17, 2025
7063460
platform: rpi rp2040 fix llext undefined symbol __gnu_thumb1_case_uqi
pennam Jun 17, 2025
adf920a
rp2040: enable usb device and usb serial console
pennam Jun 17, 2025
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variant: add rpi_pico_rp2040
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@pennam
pennam committed Jun 17, 2025
commit 8e635289324a36397609f6dac5c6311c9644611a
64 changes: 64 additions & 0 deletions boards.txt
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Expand Up @@ -564,3 +564,67 @@ opta.debug.cortex-debug.custom.request=attach
opta.debug.svd_file={runtime.platform.path}/svd/STM32H747_CM7.svd

##############################################################################################################

rpi_pico.name=Raspberry Pi Pico
rpi_pico.build.core=arduino
rpi_pico.build.crossprefix=arm-zephyr-eabi-
rpi_pico.build.compiler_path={runtime.tools.arm-zephyr-eabi-0.16.8.path}/bin/

rpi_pico.menu.debug.false=Standard
rpi_pico.menu.debug.true=Debug

rpi_pico.menu.debug.false.postbuild_debug=
rpi_pico.menu.debug.true.postbuild_debug=-debug

rpi_pico.build.zephyr_target=rpi_pico
rpi_pico.build.zephyr_args=
rpi_pico.build.zephyr_hals=hal_rpi_pico
rpi_pico.build.variant=rpi_pico_rp2040
rpi_pico.build.mcu=cortex-m0plus
rpi_pico.build.fpu=
rpi_pico.build.architecture=cortex-m0plus
rpi_pico.compiler.zephyr.arch.define=

rpi_pico.build.float-abi=-mfloat-abi=soft
rpi_pico.build.extra_flags=
rpi_pico.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
rpi_pico.recipe.hooks.objcopy.postobjcopy.3.pattern="{runtime.platform.path}/extra/bin2uf2/bin2uf2" "{build.path}/{build.project_name}.elf-zsk.bin" "{build.path}/{build.project_name}.uf2"
rpi_pico.build.architecture=cortex-m0plus
rpi_pico.build.board=RASPBERRY_PI_PICO
rpi_pico.compiler.zephyr=
rpi_pico.vid.0=0x2e8a
rpi_pico.pid.0=0x00C0
rpi_pico.upload_port.0.vid=0x2e8a
rpi_pico.upload_port.0.pid=0x00C0

rpi_pico.upload.tool=picotool
rpi_pico.upload.tool.default=picotool
rpi_pico.upload.protocol=
rpi_pico.upload.transport=
rpi_pico.upload.vid=0x2e8a
rpi_pico.upload.pid=0x00C0
rpi_pico.upload.interface=0
rpi_pico.upload.use_1200bps_touch=true
rpi_pico.upload.wait_for_upload_port=false
rpi_pico.upload.native_usb=true
rpi_pico.upload.maximum_size=2097152
rpi_pico.upload.maximum_data_size=270336

rpi_pico.upload.address=0x100E0000

rpi_pico.bootloader.tool=picotool
rpi_pico.bootloader.tool.default=picotool
rpi_pico.bootloader.vid=0x2e8a
rpi_pico.bootloader.pid=0x00C0
rpi_pico.bootloader.interface=0
rpi_pico.bootloader.file=zephyr-{build.variant}


rpi_pico.debug.tool=gdb
rpi_pico.debug.server.openocd.scripts.0=interface/{programmer.protocol}.cfg
rpi_pico.debug.server.openocd.scripts.1={programmer.transport_script}
rpi_pico.debug.server.openocd.scripts.2=target/rp2040-core0.cfg
rpi_pico.debug.cortex-debug.custom.request=attach
rpi_pico.debug.svd_file={runtime.platform.path}/svd/rp2040.svd

##############################################################################################################
Empty file added variants/rpi_pico_rp2040/rpi_pico_rp2040.conf
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208 changes: 208 additions & 0 deletions variants/rpi_pico_rp2040/rpi_pico_rp2040.overlay
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@@ -0,0 +1,208 @@
/*
* Copyright (c) 2024 TOKITA Hiroshi
*
* SPDX-License-Identifier: Apache-2.0
*/

#include <zephyr/dt-bindings/adc/adc.h>

/ {
zephyr,user {
digital-pin-gpios = <&pico_header 0 0>,
<&pico_header 1 0>,
<&pico_header 2 0>,
<&pico_header 3 0>,
<&pico_header 4 0>,
<&pico_header 5 0>,
<&pico_header 6 0>,
<&pico_header 7 0>,
<&pico_header 8 0>,
<&pico_header 9 0>,
<&pico_header 10 0>,
<&pico_header 11 0>,
<&pico_header 12 0>,
<&pico_header 13 0>,
<&pico_header 14 0>,
<&pico_header 15 0>,
<&pico_header 16 0>,
<&pico_header 17 0>,
<&pico_header 18 0>,
<&pico_header 19 0>,
<&pico_header 20 0>,
<&pico_header 21 0>,
<&pico_header 22 0>,
<&gpio0 23 0>,
<&gpio0 24 0>,
<&gpio0 25 0>,
<&pico_header 26 0>,
<&pico_header 27 0>,
<&pico_header 28 0>;

builtin-led-gpios = <&gpio0 25 0>;

pwm-pin-gpios = <&pico_header 2 0>,
<&pico_header 3 0>,
<&pico_header 7 0>,
<&pico_header 8 0>,
<&pico_header 10 0>,
<&pico_header 11 0>,
<&pico_header 12 0>,
<&pico_header 13 0>,
<&pico_header 14 0>,
<&pico_header 15 0>,
<&pico_header 20 0>,
<&pico_header 21 0>,
<&pico_header 22 0>,
<&gpio0 25 0>;

adc-pin-gpios = <&pico_header 26 0>,
<&pico_header 27 0>,
<&pico_header 28 0>;

pwms = <&pwm 2 255 PWM_POLARITY_NORMAL>,
<&pwm 3 255 PWM_POLARITY_NORMAL>,
<&pwm 7 255 PWM_POLARITY_NORMAL>,
<&pwm 8 255 PWM_POLARITY_NORMAL>,
<&pwm 10 255 PWM_POLARITY_NORMAL>,
<&pwm 11 255 PWM_POLARITY_NORMAL>,
<&pwm 12 255 PWM_POLARITY_NORMAL>,
<&pwm 13 255 PWM_POLARITY_NORMAL>,
<&pwm 14 255 PWM_POLARITY_NORMAL>,
<&pwm 15 255 PWM_POLARITY_NORMAL>,
<&pwm 4 255 PWM_POLARITY_NORMAL>,
<&pwm 5 255 PWM_POLARITY_NORMAL>,
<&pwm 6 255 PWM_POLARITY_NORMAL>,
<&pwm 9 255 PWM_POLARITY_NORMAL>;

io-channels = <&adc 0>,
<&adc 1>,
<&adc 2>;

serials = <&pico_serial>;
i2cs = <&pico_i2c0>;
spis = <&pico_spi>;
};
};

&pinctrl {
pwm_ch1a_default: pwm_ch1a_default {
group1 {
pinmux = <PWM_1A_P2>;
};
};

pwm_ch1b_default: pwm_ch1b_default {
group1 {
pinmux = <PWM_1B_P3>;
};
};

pwm_ch2a_default: pwm_ch2a_default {
group1 {
pinmux = <PWM_2A_P20>;
};
};

pwm_ch2b_default: pwm_ch2b_default {
group1 {
pinmux = <PWM_2B_P21>;
};
};

pwm_ch3a_default: pwm_ch3a_default {
group1 {
pinmux = <PWM_3A_P22>;
};
};

pwm_ch3b_default: pwm_ch3b_default {
group1 {
pinmux = <PWM_3B_P7>;
};
};

pwm_ch4a_default: pwm_ch4a_default {
group1 {
pinmux = <PWM_4A_P8>;
};
};

pwm_ch5a_default: pwm_ch5a_default {
group1 {
pinmux = <PWM_5A_P10>;
};
};

pwm_ch5b_default: pwm_ch5b_default {
group1 {
pinmux = <PWM_5B_P11>;
};
};

pwm_ch6a_default: pwm_ch6a_default {
group1 {
pinmux = <PWM_6A_P12>;
};
};

pwm_ch6b_default: pwm_ch6b_default {
group1 {
pinmux = <PWM_6B_P13>;
};
};

pwm_ch7a_default: pwm_ch7a_default {
group1 {
pinmux = <PWM_7A_P14>;
};
};

pwm_ch7b_default: pwm_ch7b_default {
group1 {
pinmux = <PWM_7B_P15>;
};
};
};

&pwm {
status = "okay";
divider-frac-4 = <15>;
divider-int-4 = <255>;
};

&adc {
#address-cells = <1>;
#size-cells = <0>;

channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};

channel@1 {
reg = <1>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};

channel@2 {
reg = <2>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};
};

&flash0 {
partitions {
user_sketch: partition@e0000 {
reg = <0x0E0000 0x20000>;
};
};
};
5 changes: 5 additions & 0 deletions variants/rpi_pico_rp2040/variant.h
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@@ -0,0 +1,5 @@
/*
* Copyright (c) 2024 TOKITA Hiroshi
*
* SPDX-License-Identifier: Apache-2.0
*/