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commit e59fad440362ee9da0b94a724992b50a3c596ede Author: Filipe Cavalcanti <[email protected]> AuthorDate: Wed Jul 15 14:25:07 2026 -0300 boards/risc-v/esp32p4-tab5: add support for Python deconfig Adds support for Python on M5 Stack ESP32-P4 Tab5 board. This board runs on P4 chip revision v1.3 and needs special changes in linker script. Signed-off-by: Filipe Cavalcanti <[email protected]> --- .../esp32p4/common/scripts/esp32p4_sections.ld | 23 +++-- .../esp32p4/esp32p4-tab5/configs/python/defconfig | 101 +++++++++++++++++++++ .../esp32p4/esp32p4-tab5/src/esp32p4_bringup.c | 22 +++++ 3 files changed, 136 insertions(+), 10 deletions(-) diff --git a/boards/risc-v/esp32p4/common/scripts/esp32p4_sections.ld b/boards/risc-v/esp32p4/common/scripts/esp32p4_sections.ld index 9733978ef70..85acf24527b 100644 --- a/boards/risc-v/esp32p4/common/scripts/esp32p4_sections.ld +++ b/boards/risc-v/esp32p4/common/scripts/esp32p4_sections.ld @@ -338,9 +338,9 @@ SECTIONS _dram_start = ABSOLUTE(.); _sdata = ABSOLUTE(.); _data_start_low = ABSOLUTE(.); - *(.data) - *(.data.*) - *(.gnu.linkonce.d.*) + EXCLUDE_FILE(*libpython3.13.a) *(.data) + EXCLUDE_FILE(*libpython3.13.a) *(.data.*) + EXCLUDE_FILE(*libpython3.13.a) *(.gnu.linkonce.d.*) *(.data1) __global_pointer$ = . + 0x800; *(.sdata) @@ -465,7 +465,7 @@ SECTIONS .dram1.data : { _data_start_high = ABSOLUTE(.); - *(.data .data.*) + *libpython3.13.a:(.data .data.* .gnu.linkonce.d.*) *(.dram1 .dram1.*) _data_end_high = ABSOLUTE(.); } > sram_high @@ -661,11 +661,11 @@ SECTIONS *(.sbss2.*) *(.gnu.linkonce.sb2.*) *(.dynbss) - *(.bss) - *(.bss.*) + EXCLUDE_FILE(*libpython3.13.a) *(.bss) + EXCLUDE_FILE(*libpython3.13.a) *(.bss.*) *(.share.mem) - *(.gnu.linkonce.b.*) - *(COMMON) + EXCLUDE_FILE(*libpython3.13.a) *(.gnu.linkonce.b.*) + EXCLUDE_FILE(*libpython3.13.a) *(COMMON) . = ALIGN(4); _ebss = ABSOLUTE(.); @@ -683,12 +683,12 @@ SECTIONS * ldgen places all bss-related data to mapping[dram0_bss] * (See components/esp_system/app.lf). */ - *(.bss .bss.*) + EXCLUDE_FILE(*libpython3.13.a) *(.bss .bss.*) *(.dynbss .dynsbss .gnu.linkonce.b .gnu.linkonce.b.* .gnu.linkonce.sb .gnu.linkonce.sb.* .gnu.linkonce.sb2 .gnu.linkonce.sb2.* .sbss .sbss.* .sbss2 .sbss2.* .scommon .share.mem) #ifndef CONFIG_ESPRESSIF_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY *(.ext_ram.bss .ext_ram.bss.*) #endif - *(COMMON) + EXCLUDE_FILE(*libpython3.13.a) *(COMMON) . = ALIGN(4); _bss_end_high = ABSOLUTE(.); @@ -699,7 +699,10 @@ SECTIONS .ext_ram.bss (NOLOAD) : { _ext_ram_bss_start = ABSOLUTE(.); + *(.PyRuntime) *(.ext_ram.bss .ext_ram.bss.*) + *libpython3.13.a:(*.PyRuntime) + *libpython3.13.a:(.bss .bss.*) . = ALIGN(4); _ext_ram_bss_end = ABSOLUTE(.); } > ext_ram_seg diff --git a/boards/risc-v/esp32p4/esp32p4-tab5/configs/python/defconfig b/boards/risc-v/esp32p4/esp32p4-tab5/configs/python/defconfig new file mode 100644 index 00000000000..d5e6407fca3 --- /dev/null +++ b/boards/risc-v/esp32p4/esp32p4-tab5/configs/python/defconfig @@ -0,0 +1,101 @@ +# +# This file is autogenerated: PLEASE DO NOT EDIT IT. +# +# You can use "make menuconfig" to make any modifications to the installed .config file. +# You can then do "make savedefconfig" to generate a new defconfig file that includes your +# modifications. +# +# CONFIG_NSH_ARGCAT is not set +# CONFIG_NSH_CMDOPT_HEXDUMP is not set +CONFIG_ALLOW_BSD_COMPONENTS=y +CONFIG_ARCH="risc-v" +CONFIG_ARCH_BOARD="esp32p4-tab5" +CONFIG_ARCH_BOARD_COMMON=y +CONFIG_ARCH_BOARD_ESP32P4_TAB5=y +CONFIG_ARCH_CHIP="esp32p4" +CONFIG_ARCH_CHIP_ESP32P4=y +CONFIG_ARCH_INTERRUPTSTACK=2048 +CONFIG_ARCH_IRQ_TO_NDX=y +CONFIG_ARCH_MINIMAL_VECTORTABLE_DYNAMIC=y +CONFIG_ARCH_NUSER_INTERRUPTS=17 +CONFIG_ARCH_RISCV=y +CONFIG_BOARDCTL_RESET=y +CONFIG_BOARDCTL_ROMDISK=y +CONFIG_BOARD_LOOPSPERMSEC=15000 +CONFIG_BUILTIN=y +CONFIG_CRYPTO_MBEDTLS=y +CONFIG_DEV_URANDOM=y +CONFIG_ESP32P4_REV_MIN_100=y +CONFIG_ESP32P4_SELECTS_REV_LESS_V3=y +CONFIG_ESPRESSIF_FLASH_16M=y +CONFIG_ESPRESSIF_FLASH_MODE_QIO=y +CONFIG_ESPRESSIF_GPIO_IRQ=y +CONFIG_ESPRESSIF_I2C0=y +CONFIG_ESPRESSIF_I2C0_SCLPIN=32 +CONFIG_ESPRESSIF_I2C0_SDAPIN=31 +CONFIG_ESPRESSIF_MERGE_BINS=y +CONFIG_ESPRESSIF_SPIFLASH=y +CONFIG_ESPRESSIF_SPIFLASH_SMARTFS=y +CONFIG_ESPRESSIF_SPIRAM=y +CONFIG_ESPRESSIF_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y +CONFIG_ESPRESSIF_STORAGE_MTD_OFFSET=0xFCA000 +CONFIG_ESPRESSIF_STORAGE_MTD_SIZE=0x36000 +CONFIG_ESPRESSIF_USBSERIAL=y +CONFIG_EVENT_FD=y +CONFIG_EXPERIMENTAL=y +CONFIG_FS_HEAPBUF_SECTION=".ext_ram.bss.buf" +CONFIG_FS_HEAPSIZE=2097152 +CONFIG_FS_LARGEFILE=y +CONFIG_FS_PROCFS=y +CONFIG_FS_ROMFS=y +CONFIG_FS_TMPFS=y +CONFIG_IDLETHREAD_STACKSIZE=2048 +CONFIG_INIT_ENTRYPOINT="nsh_main" +CONFIG_INIT_STACKSIZE=3072 +CONFIG_INTELHEX_BINARY=y +CONFIG_INTERPRETERS_CPYTHON=y +CONFIG_INTERPRETERS_CPYTHON_ENABLE_PIP=y +CONFIG_INTERPRETERS_CPYTHON_PYTHONPATH="/data" +CONFIG_INTERPRETERS_CPYTHON_STACKSIZE=512000 +CONFIG_LIBC_DLFCN=y +CONFIG_LIBC_EXECFUNCS=y +CONFIG_LIBC_LOCALE=y +CONFIG_LIBC_LOCALE_GETTEXT=y +CONFIG_LIBC_PERROR_STDOUT=y +CONFIG_LIBC_STRERROR=y +CONFIG_LIB_LIBFFI=y +CONFIG_LIB_ZLIB=y +CONFIG_LINE_MAX=200 +CONFIG_MM_KERNEL_HEAP=y +CONFIG_MM_REGIONS=2 +CONFIG_NAME_MAX=48 +CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6 +CONFIG_NSH_BUILTIN_APPS=y +CONFIG_NSH_DISABLE_LOSMART=y +CONFIG_NSH_FILEIOSIZE=512 +CONFIG_NSH_READLINE=y +CONFIG_NSH_STRERROR=y +CONFIG_PIPES=y +CONFIG_PREALLOC_TIMERS=0 +CONFIG_PSEUDOFS_SOFTLINKS=y +CONFIG_RR_INTERVAL=200 +CONFIG_SCHED_BACKTRACE=y +CONFIG_SCHED_WAITPID=y +CONFIG_SCHED_WORKQUEUE=y +CONFIG_SMARTFS_MAXNAMLEN=48 +CONFIG_STACK_COLORATION=y +CONFIG_START_DAY=29 +CONFIG_START_MONTH=11 +CONFIG_START_YEAR=2019 +CONFIG_SYSTEM_DUMPSTACK=y +CONFIG_SYSTEM_FLASH_ERASEALL=y +CONFIG_SYSTEM_NSH=y +CONFIG_SYSTEM_SYSTEM=y +CONFIG_SYSTEM_SYSTEM_STACKSIZE=4096 +CONFIG_TESTING_FSTEST=y +CONFIG_TESTING_FSTEST_MOUNTPT="/mnt" +CONFIG_TESTING_HEAP=y +CONFIG_TIMER=y +CONFIG_TIMER_FD=y +CONFIG_TLS_NELEM=4 +CONFIG_TLS_TASK_NELEM=4 diff --git a/boards/risc-v/esp32p4/esp32p4-tab5/src/esp32p4_bringup.c b/boards/risc-v/esp32p4/esp32p4-tab5/src/esp32p4_bringup.c index 8c6dcab282e..6d45a9c1b69 100644 --- a/boards/risc-v/esp32p4/esp32p4-tab5/src/esp32p4_bringup.c +++ b/boards/risc-v/esp32p4/esp32p4-tab5/src/esp32p4_bringup.c @@ -34,6 +34,10 @@ #include "espressif/esp_start.h" +#ifdef CONFIG_ESPRESSIF_SPIFLASH +# include "esp_board_spiflash.h" +#endif + #ifdef CONFIG_I2C_DRIVER # include "esp_board_i2c.h" #endif @@ -73,6 +77,14 @@ int esp_bringup(void) } #endif +#ifdef CONFIG_ESPRESSIF_SPIFLASH + ret = board_spiflash_init(); + if (ret) + { + syslog(LOG_ERR, "ERROR: Failed to initialize SPI Flash\n"); + } +#endif + #ifdef CONFIG_I2C_DRIVER /* Configure I2C peripheral interfaces */ @@ -83,6 +95,16 @@ int esp_bringup(void) } #endif +#ifdef CONFIG_FS_TMPFS + /* Mount the tmpfs file system */ + + ret = nx_mount(NULL, CONFIG_LIBC_TMPDIR, "tmpfs", 0, NULL); + if (ret < 0) + { + _err("Failed to mount tmpfs at %s: %d\n", CONFIG_LIBC_TMPDIR, ret); + } +#endif + /* If we got here then perhaps not all initialization was successful, but * at least enough succeeded to bring-up NSH with perhaps reduced * capabilities.
