From 690168b1ab6bbae0f235dfc5a1eb4f47008bd431 Mon Sep 17 00:00:00 2001 From: Bernhard Bablok Date: Wed, 5 Apr 2023 19:53:26 +0200 Subject: [PATCH] add support for Plasma2040W --- .../boards/pimoroni_plasma2040w/board.c | 29 ++ .../boards/pimoroni_plasma2040w/link.ld | 294 ++++++++++++++++++ .../pimoroni_plasma2040w/mpconfigboard.h | 10 + .../pimoroni_plasma2040w/mpconfigboard.mk | 26 ++ .../pico-sdk-configboard.h | 1 + .../boards/pimoroni_plasma2040w/pins.c | 62 ++++ 6 files changed, 422 insertions(+) create mode 100644 ports/raspberrypi/boards/pimoroni_plasma2040w/board.c create mode 100644 ports/raspberrypi/boards/pimoroni_plasma2040w/link.ld create mode 100644 ports/raspberrypi/boards/pimoroni_plasma2040w/mpconfigboard.h create mode 100644 ports/raspberrypi/boards/pimoroni_plasma2040w/mpconfigboard.mk create mode 100644 ports/raspberrypi/boards/pimoroni_plasma2040w/pico-sdk-configboard.h create mode 100644 ports/raspberrypi/boards/pimoroni_plasma2040w/pins.c diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040w/board.c b/ports/raspberrypi/boards/pimoroni_plasma2040w/board.c new file mode 100644 index 0000000000..331653173e --- /dev/null +++ b/ports/raspberrypi/boards/pimoroni_plasma2040w/board.c @@ -0,0 +1,29 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "supervisor/board.h" + +// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here. diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040w/link.ld b/ports/raspberrypi/boards/pimoroni_plasma2040w/link.ld new file mode 100644 index 0000000000..2777b41720 --- /dev/null +++ b/ports/raspberrypi/boards/pimoroni_plasma2040w/link.ld @@ -0,0 +1,294 @@ +/* Based on GCC ARM embedded samples. + Defines the following symbols for use by code: + __exidx_start + __exidx_end + __etext + __data_start__ + __preinit_array_start + __preinit_array_end + __init_array_start + __init_array_end + __fini_array_start + __fini_array_end + __data_end__ + __bss_start__ + __bss_end__ + __end__ + end + __HeapLimit + __StackLimit + __StackTop + __stack (== StackTop) +*/ + +MEMORY +{ + FLASH_FIRMWARE (rx) : ORIGIN = 0x10000000, LENGTH = 1532k + /* Followed by: 4kB of NVRAM and at least 512kB of CIRCUITPY */ + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 256k + SCRATCH_X (rwx) : ORIGIN = 0x20040000, LENGTH = 4k + SCRATCH_Y (rwx) : ORIGIN = 0x20041000, LENGTH = 4k +} + +ENTRY(_entry_point) + +SECTIONS +{ + /* Second stage bootloader is prepended to the image. It must be 256 bytes big + and checksummed. It is usually built by the boot_stage2 target + in the Pico SDK + */ + + .flash_begin : { + __flash_binary_start = .; + } > FLASH_FIRMWARE + + .boot2 : { + __boot2_start__ = .; + KEEP (*(.boot2)) + __boot2_end__ = .; + } > FLASH_FIRMWARE + + ASSERT(__boot2_end__ - __boot2_start__ == 256, + "ERROR: Pico second stage bootloader must be 256 bytes in size") + + /* The second stage will always enter the image at the start of .text. + The debugger will use the ELF entry point, which is the _entry_point + symbol if present, otherwise defaults to start of .text. + This can be used to transfer control back to the bootrom on debugger + launches only, to perform proper flash setup. + */ + + .text : { + __logical_binary_start = .; + KEEP (*(.vectors)) + KEEP (*(.binary_info_header)) + __binary_info_header_end = .; + KEEP (*(.reset)) + /* TODO revisit this now memset/memcpy/float in ROM */ + /* bit of a hack right now to exclude all floating point and time critical (e.g. memset, memcpy) code from + * FLASH ... we will include any thing excluded here in .data below by default */ + *(.init) + + __property_getter_start = .; + *(.property_getter) + __property_getter_end = .; + __property_getset_start = .; + *(.property_getset) + __property_getset_end = .; + + *(EXCLUDE_FILE(*libgcc.a: *libc.a:*lib_a-mem*.o *libm.a:) .text*) + *(.fini) + /* Pull all c'tors into .text */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + /* Followed by destructors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.eh_frame*) + . = ALIGN(4); + } > FLASH_FIRMWARE + + .rodata : { + *(EXCLUDE_FILE(*libgcc.a: *libc.a:*lib_a-mem*.o *libm.a:) .rodata*) + . = ALIGN(4); + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.flashdata*))) + . = ALIGN(4); + } > FLASH_FIRMWARE + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH_FIRMWARE + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH_FIRMWARE + __exidx_end = .; + + /* Machine inspectable binary information */ + . = ALIGN(4); + __binary_info_start = .; + .binary_info : + { + KEEP(*(.binary_info.keep.*)) + *(.binary_info.*) + } > FLASH_FIRMWARE + __binary_info_end = .; + . = ALIGN(4); + + /* End of .text-like segments */ + __etext = .; + + .ram_vector_table (COPY): { + *(.ram_vector_table) + } > RAM + + .data : { + __data_start__ = .; + *(vtable) + + *(.time_critical*) + + /* remaining .text and .rodata; i.e. stuff we exclude above because we want it in RAM */ + *(.text*) + . = ALIGN(4); + *(.rodata*) + . = ALIGN(4); + + *(.data*) + + . = ALIGN(4); + *(.after_data.*) + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__mutex_array_start = .); + KEEP(*(SORT(.mutex_array.*))) + KEEP(*(.mutex_array)) + PROVIDE_HIDDEN (__mutex_array_end = .); + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(SORT(.preinit_array.*))) + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + *(SORT(.fini_array.*)) + *(.fini_array) + PROVIDE_HIDDEN (__fini_array_end = .); + + *(.jcr) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + } > RAM AT> FLASH_FIRMWARE + + .itcm : + { + . = ALIGN(4); + *(.itcm.*) + + . = ALIGN(4); + } > RAM AT> FLASH_FIRMWARE + _ld_itcm_destination = ADDR(.itcm); + _ld_itcm_flash_copy = LOADADDR(.itcm); + _ld_itcm_size = SIZEOF(.itcm); + + .dtcm_data : + { + . = ALIGN(4); + + *(.dtcm_data.*) + + . = ALIGN(4); + } > RAM AT> FLASH_FIRMWARE + _ld_dtcm_data_destination = ADDR(.dtcm_data); + _ld_dtcm_data_flash_copy = LOADADDR(.dtcm_data); + _ld_dtcm_data_size = SIZEOF(.dtcm_data); + + .dtcm_bss : + { + . = ALIGN(4); + + *(.dtcm_bss.*) + + . = ALIGN(4); + } > RAM AT> RAM + _ld_dtcm_bss_start = ADDR(.dtcm_bss); + _ld_dtcm_bss_size = SIZEOF(.dtcm_bss); + + .uninitialized_data (COPY): { + . = ALIGN(4); + *(.uninitialized_data*) + } > RAM + + /* Start and end symbols must be word-aligned */ + .scratch_x : { + __scratch_x_start__ = .; + *(.scratch_x.*) + . = ALIGN(4); + __scratch_x_end__ = .; + } > SCRATCH_X AT > FLASH_FIRMWARE + __scratch_x_source__ = LOADADDR(.scratch_x); + + .scratch_y : { + __scratch_y_start__ = .; + *(.scratch_y.*) + . = ALIGN(4); + __scratch_y_end__ = .; + } > SCRATCH_Y AT > FLASH_FIRMWARE + __scratch_y_source__ = LOADADDR(.scratch_y); + + .bss : { + . = ALIGN(4); + __bss_start__ = .; + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.bss*))) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + .heap (COPY): + { + __end__ = .; + end = __end__; + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack*_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later + * + * stack1 section may be empty/missing if platform_launch_core1 is not used */ + + /* by default we put core 0 stack at the end of scratch Y, so that if core 1 + * stack is not used then all of SCRATCH_X is free. + */ + .stack1_dummy (COPY): + { + *(.stack1*) + } > SCRATCH_X + .stack_dummy (COPY): + { + *(.stack*) + } > SCRATCH_Y + + .flash_end : { + __flash_binary_end = .; + } > FLASH_FIRMWARE + + /* stack limit is poorly named, but historically is maximum heap ptr */ + __StackLimit = ORIGIN(RAM) + LENGTH(RAM); + __StackOneTop = ORIGIN(SCRATCH_X) + LENGTH(SCRATCH_X); + __StackTop = ORIGIN(SCRATCH_Y) + LENGTH(SCRATCH_Y); + __StackOneBottom = __StackOneTop - SIZEOF(.stack1_dummy); + __StackBottom = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed") + + ASSERT( __binary_info_header_end - __logical_binary_start <= 256, "Binary info must be in first 256 bytes of the binary") + /* todo assert on extra code */ +} diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040w/mpconfigboard.h b/ports/raspberrypi/boards/pimoroni_plasma2040w/mpconfigboard.h new file mode 100644 index 0000000000..d36f7a8baf --- /dev/null +++ b/ports/raspberrypi/boards/pimoroni_plasma2040w/mpconfigboard.h @@ -0,0 +1,10 @@ +#define MICROPY_HW_BOARD_NAME "Pimoroni Plasma 2040W" +#define MICROPY_HW_MCU_NAME "rp2040" + +#define CIRCUITPY_DIGITALIO_HAVE_INVALID_PULL (1) +#define CIRCUITPY_DIGITALIO_HAVE_INVALID_DRIVE_MODE (1) + +#define MICROPY_HW_LED_STATUS (&pin_CYW0) + +#define DEFAULT_I2C_BUS_SCL (&pin_GPIO4) +#define DEFAULT_I2C_BUS_SDA (&pin_GPIO5) diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040w/mpconfigboard.mk b/ports/raspberrypi/boards/pimoroni_plasma2040w/mpconfigboard.mk new file mode 100644 index 0000000000..68fec260ed --- /dev/null +++ b/ports/raspberrypi/boards/pimoroni_plasma2040w/mpconfigboard.mk @@ -0,0 +1,26 @@ +USB_VID = 0x2E8A +USB_PID = 0x100a +USB_PRODUCT = "Plasma 2040 W" +USB_MANUFACTURER = "Pimoroni" + +CHIP_VARIANT = RP2040 +CHIP_FAMILY = rp2 + +EXTERNAL_FLASH_DEVICES = "W25Q16JVxQ" + +CIRCUITPY__EVE = 1 + +CIRCUITPY_CYW43 = 1 +CIRCUITPY_SSL = 1 +CIRCUITPY_SSL_MBEDTLS = 1 +CIRCUITPY_HASHLIB = 1 +CIRCUITPY_WEB_WORKFLOW = 1 +CIRCUITPY_MDNS = 1 +CIRCUITPY_SOCKETPOOL = 1 +CIRCUITPY_WIFI = 1 + +CFLAGS += -DCYW43_PIN_WL_HOST_WAKE=24 -DCYW43_PIN_WL_REG_ON=23 -DCYW43_WL_GPIO_COUNT=3 -DCYW43_WL_GPIO_LED_PIN=0 +# Must be accompanied by a linker script change +CFLAGS += -DCIRCUITPY_FIRMWARE_SIZE='(1536 * 1024)' + +FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040w/pico-sdk-configboard.h b/ports/raspberrypi/boards/pimoroni_plasma2040w/pico-sdk-configboard.h new file mode 100644 index 0000000000..36da55d457 --- /dev/null +++ b/ports/raspberrypi/boards/pimoroni_plasma2040w/pico-sdk-configboard.h @@ -0,0 +1 @@ +// Put board-specific pico-sdk definitions here. This file must exist. diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040w/pins.c b/ports/raspberrypi/boards/pimoroni_plasma2040w/pins.c new file mode 100644 index 0000000000..691e2c9355 --- /dev/null +++ b/ports/raspberrypi/boards/pimoroni_plasma2040w/pins.c @@ -0,0 +1,62 @@ +#include "shared-bindings/board/__init__.h" + +STATIC const mp_rom_map_elem_t board_module_globals_table[] = { + CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS + + { MP_ROM_QSTR(MP_QSTR_GP0), MP_ROM_PTR(&pin_GPIO0) }, + { MP_ROM_QSTR(MP_QSTR_GP1), MP_ROM_PTR(&pin_GPIO1) }, + { MP_ROM_QSTR(MP_QSTR_GP2), MP_ROM_PTR(&pin_GPIO2) }, + { MP_ROM_QSTR(MP_QSTR_GP3), MP_ROM_PTR(&pin_GPIO3) }, + + { MP_ROM_QSTR(MP_QSTR_GP4), MP_ROM_PTR(&pin_GPIO4) }, + { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO4) }, + { MP_ROM_QSTR(MP_QSTR_GP5), MP_ROM_PTR(&pin_GPIO5) }, + { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO5) }, + + { MP_ROM_QSTR(MP_QSTR_GP6), MP_ROM_PTR(&pin_GPIO6) }, + { MP_ROM_QSTR(MP_QSTR_GP7), MP_ROM_PTR(&pin_GPIO7) }, + { MP_ROM_QSTR(MP_QSTR_GP8), MP_ROM_PTR(&pin_GPIO8) }, + { MP_ROM_QSTR(MP_QSTR_GP9), MP_ROM_PTR(&pin_GPIO9) }, + { MP_ROM_QSTR(MP_QSTR_GP10), MP_ROM_PTR(&pin_GPIO10) }, + { MP_ROM_QSTR(MP_QSTR_GP11), MP_ROM_PTR(&pin_GPIO11) }, + { MP_ROM_QSTR(MP_QSTR_GP12), MP_ROM_PTR(&pin_GPIO12) }, + { MP_ROM_QSTR(MP_QSTR_GP13), MP_ROM_PTR(&pin_GPIO13) }, + { MP_ROM_QSTR(MP_QSTR_GP14), MP_ROM_PTR(&pin_GPIO14) }, + + { MP_ROM_QSTR(MP_QSTR_DATA), MP_ROM_PTR(&pin_GPIO15) }, + { MP_ROM_QSTR(MP_QSTR_GP15), MP_ROM_PTR(&pin_GPIO15) }, + + { MP_ROM_QSTR(MP_QSTR_GP16), MP_ROM_PTR(&pin_GPIO16) }, + { MP_ROM_QSTR(MP_QSTR_GP17), MP_ROM_PTR(&pin_GPIO17) }, + { MP_ROM_QSTR(MP_QSTR_GP18), MP_ROM_PTR(&pin_GPIO18) }, + { MP_ROM_QSTR(MP_QSTR_GP19), MP_ROM_PTR(&pin_GPIO19) }, + { MP_ROM_QSTR(MP_QSTR_GP20), MP_ROM_PTR(&pin_GPIO20) }, + { MP_ROM_QSTR(MP_QSTR_GP21), MP_ROM_PTR(&pin_GPIO21) }, + { MP_ROM_QSTR(MP_QSTR_GP22), MP_ROM_PTR(&pin_GPIO22) }, + + { MP_ROM_QSTR(MP_QSTR_SMPS_MODE), MP_ROM_PTR(&pin_CYW1) }, + + { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_CYW0) }, + + { MP_ROM_QSTR(MP_QSTR_VBUS_SENSE), MP_ROM_PTR(&pin_CYW2) }, + + { MP_ROM_QSTR(MP_QSTR_GP26_A0), MP_ROM_PTR(&pin_GPIO26) }, + { MP_ROM_QSTR(MP_QSTR_GP26), MP_ROM_PTR(&pin_GPIO26) }, + { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO26) }, + + { MP_ROM_QSTR(MP_QSTR_GP27_A1), MP_ROM_PTR(&pin_GPIO27) }, + { MP_ROM_QSTR(MP_QSTR_GP27), MP_ROM_PTR(&pin_GPIO27) }, + { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO27) }, + + { MP_ROM_QSTR(MP_QSTR_GP28_A2), MP_ROM_PTR(&pin_GPIO28) }, + { MP_ROM_QSTR(MP_QSTR_GP28), MP_ROM_PTR(&pin_GPIO28) }, + { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO28) }, + + { MP_ROM_QSTR(MP_QSTR_VOLTAGE_MONITOR), MP_ROM_PTR(&pin_GPIO29) }, + { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO29) }, + + + { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) }, + { MP_ROM_QSTR(MP_QSTR_STEMMA_I2C), MP_ROM_PTR(&board_i2c_obj) }, +}; +MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);