feat(esp32p4): Add initial ESP32-P4 support

.github/scripts/on-push.sh

@@ -91,6 +91,7 @@ if [ "$BUILD_PIO" -eq 0 ]; then
     fi
 
     #build sketches for different targets
+    build "esp32p4" "$CHUNK_INDEX" "$CHUNKS_CNT" "$BUILD_LOG" "$SKETCHES_FILE" "$SKETCHES_ESP32"
     build "esp32s3" "$CHUNK_INDEX" "$CHUNKS_CNT" "$BUILD_LOG" "$SKETCHES_FILE" "$SKETCHES_ESP32"
     build "esp32s2" "$CHUNK_INDEX" "$CHUNKS_CNT" "$BUILD_LOG" "$SKETCHES_FILE" "$SKETCHES_ESP32"
     build "esp32c3" "$CHUNK_INDEX" "$CHUNKS_CNT" "$BUILD_LOG" "$SKETCHES_FILE" "$SKETCHES_ESP32"

.github/scripts/sketch_utils.sh

@@ -89,6 +89,7 @@ function build_sketch(){ # build_sketch <ide_path> <user_path> <path-to-ino> [ex
             esp32c3_opts="PartitionScheme=huge_app,FlashMode=dio"
             esp32c6_opts="PartitionScheme=huge_app,FlashMode=dio"
             esp32h2_opts="PartitionScheme=huge_app,FlashMode=dio"
+            esp32p4_opts="PartitionScheme=huge_app,FlashMode=dio"
 
             # Select the common part of the FQBN based on the target.  The rest will be
             # appended depending on the passed options.
@@ -112,6 +113,9 @@ function build_sketch(){ # build_sketch <ide_path> <user_path> <path-to-ino> [ex
                 "esp32h2")
                     fqbn="espressif:esp32:esp32h2:${options:-$esp32h2_opts}"
                 ;;
+                "esp32p4")
+                    fqbn="espressif:esp32:esp32p4:${options:-$esp32p4_opts}"
+                ;;
             esac
 
             # Make it look like a JSON array.

.github/workflows/lib.yml

@@ -42,6 +42,7 @@ jobs:
           - esp32s3
           - esp32c6
           - esp32h2
+          - esp32p4
 
         include:
           - target: esp32
@@ -56,6 +57,8 @@ jobs:
             fqbn: espressif:esp32:esp32c6
           - target: esp32h2
             fqbn: espressif:esp32:esp32h2
+          - target: esp32p4
+            fqbn: espressif:esp32:esp32p4
 
 
     steps:

.github/workflows/push.yml

@@ -233,7 +233,7 @@ jobs:
         # https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/tools/idf-docker-image.html
         # for details.
         idf_ver: ["release-v5.3"]
-        idf_target: ["esp32", "esp32s2", "esp32s3", "esp32c2", "esp32c3", "esp32c6", "esp32h2"]
+        idf_target: ["esp32", "esp32s2", "esp32s3", "esp32c2", "esp32c3", "esp32c6", "esp32h2", "esp32p4"]
     container: espressif/idf:${{ matrix.idf_ver }}
     steps:
       - name: Check out arduino-esp32 as a component

.github/workflows/tests.yml

@@ -88,7 +88,7 @@ jobs:
     strategy:
       matrix:
         type: ${{ fromJson(needs.gen-matrix.outputs.build-types) }}
-        chip: ['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2']
+        chip: ['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2', 'esp32p4']
     with:
       type: ${{ matrix.type }}
       chip: ${{ matrix.chip }}
@@ -105,7 +105,7 @@ jobs:
       fail-fast: false
       matrix:
         type: ${{ fromJson(needs.gen-matrix.outputs.hw-types) }}
-        chip: ['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2']
+        chip: ['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2', 'esp32p4']
     with:
       type: ${{ matrix.type }}
       chip: ${{ matrix.chip }}

.github/workflows/tests_wokwi.yml

@@ -165,7 +165,7 @@ jobs:
       fail-fast: false
       matrix:
         type: ['validation']
-        chip: ['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2']
+        chip: ['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2', 'esp32p4']
     steps:
       - name: Report pending
         uses: actions/github-script@v7

README.md

@@ -59,6 +59,7 @@ Here are the ESP32 series supported by the Arduino-ESP32 project:
 | ESP32-S3 |     Yes    |       Yes       | [ESP32-S3](https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf) |
 | ESP32-C6 |     Yes    |       Yes       | [ESP32-C6](https://www.espressif.com/sites/default/files/documentation/esp32-c6_datasheet_en.pdf) |
 | ESP32-H2 |     Yes    |       Yes       | [ESP32-H2](https://www.espressif.com/sites/default/files/documentation/esp32-h2_datasheet_en.pdf) |
+| ESP32-P4 |     No     |       No        | [ESP32-P4](https://www.espressif.com/sites/default/files/documentation/esp32-p4_datasheet_en.pdf) |
 
 > [!NOTE]
 > ESP32-C2 is also supported by Arduino-ESP32 but requires rebuilding the static libraries. This is not trivial and requires a good understanding of the ESP-IDF

boards.txt

@@ -163,7 +163,6 @@ esp32c2.menu.EraseFlash.all.upload.erase_cmd=-e
 ##############################################################
 
 esp32p4.name=ESP32P4 Dev Module
-esp32p4.hide=true
 
 esp32p4.bootloader.tool=esptool_py
 esp32p4.bootloader.tool.default=esptool_py
@@ -188,10 +187,10 @@ esp32p4.build.mcu=esp32p4
 esp32p4.build.core=esp32
 esp32p4.build.variant=esp32p4
 esp32p4.build.board=ESP32P4_DEV
-esp32p4.build.bootloader_addr=0x0
+esp32p4.build.bootloader_addr=0x2000
 
 esp32p4.build.cdc_on_boot=0
-esp32p4.build.f_cpu=400000000L
+esp32p4.build.f_cpu=360000000L
 esp32p4.build.flash_size=4MB
 esp32p4.build.flash_freq=80m
 esp32p4.build.img_freq=80m
@@ -203,6 +202,25 @@ esp32p4.build.defines=
 ## IDE 2.0 Seems to not update the value
 esp32p4.menu.JTAGAdapter.default=Disabled
 esp32p4.menu.JTAGAdapter.default.build.copy_jtag_files=0
+esp32p4.menu.JTAGAdapter.builtin=Integrated USB JTAG
+esp32p4.menu.JTAGAdapter.builtin.build.openocdscript=esp32p4-builtin.cfg
+esp32p4.menu.JTAGAdapter.builtin.build.copy_jtag_files=1
+esp32p4.menu.JTAGAdapter.external=FTDI Adapter
+esp32p4.menu.JTAGAdapter.external.build.openocdscript=esp32p4-ftdi.cfg
+esp32p4.menu.JTAGAdapter.external.build.copy_jtag_files=1
+esp32p4.menu.JTAGAdapter.bridge=ESP USB Bridge
+esp32p4.menu.JTAGAdapter.bridge.build.openocdscript=esp32p4-bridge.cfg
+esp32p4.menu.JTAGAdapter.bridge.build.copy_jtag_files=1
+
+esp32p4.menu.CDCOnBoot.default=Disabled
+esp32p4.menu.CDCOnBoot.default.build.cdc_on_boot=0
+esp32p4.menu.CDCOnBoot.cdc=Enabled
+esp32p4.menu.CDCOnBoot.cdc.build.cdc_on_boot=1
+
+esp32p4.menu.PSRAM.disabled=Disabled
+esp32p4.menu.PSRAM.disabled.build.defines=
+esp32p4.menu.PSRAM.enabled=Enabled
+esp32p4.menu.PSRAM.enabled.build.defines=-DBOARD_HAS_PSRAM
 
 esp32p4.menu.CDCOnBoot.default=Disabled
 esp32p4.menu.CDCOnBoot.default.build.cdc_on_boot=0
@@ -211,20 +229,87 @@ esp32p4.menu.CDCOnBoot.cdc.build.cdc_on_boot=1
 
 esp32p4.menu.PartitionScheme.default=Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS)
 esp32p4.menu.PartitionScheme.default.build.partitions=default
+esp32p4.menu.PartitionScheme.defaultffat=Default 4MB with ffat (1.2MB APP/1.5MB FATFS)
+esp32p4.menu.PartitionScheme.defaultffat.build.partitions=default_ffat
+esp32p4.menu.PartitionScheme.default_8MB=8M with spiffs (3MB APP/1.5MB SPIFFS)
+esp32p4.menu.PartitionScheme.default_8MB.build.partitions=default_8MB
+esp32p4.menu.PartitionScheme.default_8MB.upload.maximum_size=3342336
+esp32p4.menu.PartitionScheme.minimal=Minimal (1.3MB APP/700KB SPIFFS)
+esp32p4.menu.PartitionScheme.minimal.build.partitions=minimal
 esp32p4.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
 esp32p4.menu.PartitionScheme.no_fs.build.partitions=no_fs
 esp32p4.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
+esp32p4.menu.PartitionScheme.no_ota=No OTA (2MB APP/2MB SPIFFS)
+esp32p4.menu.PartitionScheme.no_ota.build.partitions=no_ota
+esp32p4.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
+esp32p4.menu.PartitionScheme.noota_3g=No OTA (1MB APP/3MB SPIFFS)
+esp32p4.menu.PartitionScheme.noota_3g.build.partitions=noota_3g
+esp32p4.menu.PartitionScheme.noota_3g.upload.maximum_size=1048576
+esp32p4.menu.PartitionScheme.noota_ffat=No OTA (2MB APP/2MB FATFS)
+esp32p4.menu.PartitionScheme.noota_ffat.build.partitions=noota_ffat
+esp32p4.menu.PartitionScheme.noota_ffat.upload.maximum_size=2097152
+esp32p4.menu.PartitionScheme.noota_3gffat=No OTA (1MB APP/3MB FATFS)
+esp32p4.menu.PartitionScheme.noota_3gffat.build.partitions=noota_3gffat
+esp32p4.menu.PartitionScheme.noota_3gffat.upload.maximum_size=1048576
 esp32p4.menu.PartitionScheme.huge_app=Huge APP (3MB No OTA/1MB SPIFFS)
 esp32p4.menu.PartitionScheme.huge_app.build.partitions=huge_app
 esp32p4.menu.PartitionScheme.huge_app.upload.maximum_size=3145728
+esp32p4.menu.PartitionScheme.min_spiffs=Minimal SPIFFS (1.9MB APP with OTA/190KB SPIFFS)
+esp32p4.menu.PartitionScheme.min_spiffs.build.partitions=min_spiffs
+esp32p4.menu.PartitionScheme.min_spiffs.upload.maximum_size=1966080
+esp32p4.menu.PartitionScheme.fatflash=16M Flash (2MB APP/12.5MB FATFS)
+esp32p4.menu.PartitionScheme.fatflash.build.partitions=ffat
+esp32p4.menu.PartitionScheme.fatflash.upload.maximum_size=2097152
+esp32p4.menu.PartitionScheme.app3M_fat9M_16MB=16M Flash (3MB APP/9.9MB FATFS)
+esp32p4.menu.PartitionScheme.app3M_fat9M_16MB.build.partitions=app3M_fat9M_16MB
+esp32p4.menu.PartitionScheme.app3M_fat9M_16MB.upload.maximum_size=3145728
 esp32p4.menu.PartitionScheme.custom=Custom
 esp32p4.menu.PartitionScheme.custom.build.partitions=
 esp32p4.menu.PartitionScheme.custom.upload.maximum_size=16777216
 
+## From https://docs.espressif.com/projects/esp-idf/en/latest/esp32p4/api-reference/kconfig.html#config-esp-default-cpu-freq-mhz
+esp32p4.menu.CPUFreq.360=360MHz
+esp32p4.menu.CPUFreq.360.build.f_cpu=360000000L
+esp32p4.menu.CPUFreq.40=40MHz
+esp32p4.menu.CPUFreq.40.build.f_cpu=40000000L
+
+esp32p4.menu.FlashMode.qio=QIO
+esp32p4.menu.FlashMode.qio.build.flash_mode=dio
+esp32p4.menu.FlashMode.qio.build.boot=qio
+esp32p4.menu.FlashMode.dio=DIO
+esp32p4.menu.FlashMode.dio.build.flash_mode=dio
+esp32p4.menu.FlashMode.dio.build.boot=dio
+
+esp32p4.menu.FlashFreq.80=80MHz
+esp32p4.menu.FlashFreq.80.build.flash_freq=80m
+esp32p4.menu.FlashFreq.40=40MHz
+esp32p4.menu.FlashFreq.40.build.flash_freq=40m
+
+esp32p4.menu.FlashSize.4M=4MB (32Mb)
+esp32p4.menu.FlashSize.4M.build.flash_size=4MB
+esp32p4.menu.FlashSize.8M=8MB (64Mb)
+esp32p4.menu.FlashSize.8M.build.flash_size=8MB
+esp32p4.menu.FlashSize.8M.build.partitions=default_8MB
+esp32p4.menu.FlashSize.2M=2MB (16Mb)
+esp32p4.menu.FlashSize.2M.build.flash_size=2MB
+esp32p4.menu.FlashSize.2M.build.partitions=minimal
+esp32p4.menu.FlashSize.16M=16MB (128Mb)
+esp32p4.menu.FlashSize.16M.build.flash_size=16MB
+
 esp32p4.menu.UploadSpeed.921600=921600
 esp32p4.menu.UploadSpeed.921600.upload.speed=921600
 esp32p4.menu.UploadSpeed.115200=115200
 esp32p4.menu.UploadSpeed.115200.upload.speed=115200
+esp32p4.menu.UploadSpeed.256000.windows=256000
+esp32p4.menu.UploadSpeed.256000.upload.speed=256000
+esp32p4.menu.UploadSpeed.230400.windows.upload.speed=256000
+esp32p4.menu.UploadSpeed.230400=230400
+esp32p4.menu.UploadSpeed.230400.upload.speed=230400
+esp32p4.menu.UploadSpeed.460800.linux=460800
+esp32p4.menu.UploadSpeed.460800.macosx=460800
+esp32p4.menu.UploadSpeed.460800.upload.speed=460800
+esp32p4.menu.UploadSpeed.512000.windows=512000
+esp32p4.menu.UploadSpeed.512000.upload.speed=512000
 
 esp32p4.menu.DebugLevel.none=None
 esp32p4.menu.DebugLevel.none.build.code_debug=0

cores/esp32/Esp.cpp

@@ -60,6 +60,9 @@ extern "C" {
 #elif CONFIG_IDF_TARGET_ESP32H2
 #include "esp32h2/rom/spi_flash.h"
 #define ESP_FLASH_IMAGE_BASE 0x0000  // Esp32h2 is located at 0x0000
+#elif CONFIG_IDF_TARGET_ESP32P4
+#include "esp32p4/rom/spi_flash.h"
+#define ESP_FLASH_IMAGE_BASE 0x2000  // Esp32p4 is located at 0x2000
 #else
 #error Target CONFIG_IDF_TARGET is not supported
 #endif
@@ -335,6 +338,8 @@ uint32_t EspClass::getFlashChipSpeed(void) {
   return magicFlashChipSpeed(fhdr.spi_speed);
 }
 
+// FIXME for P4
+#if !defined(CONFIG_IDF_TARGET_ESP32P4)
 FlashMode_t EspClass::getFlashChipMode(void) {
 #if CONFIG_IDF_TARGET_ESP32S2
   uint32_t spi_ctrl = REG_READ(PERIPHS_SPI_FLASH_CTRL);
@@ -361,6 +366,7 @@ FlashMode_t EspClass::getFlashChipMode(void) {
   }
   return (FM_DOUT);
 }
+#endif // if !defined(CONFIG_IDF_TARGET_ESP32P4)
 
 uint32_t EspClass::magicFlashChipSize(uint8_t byte) {
   /*

cores/esp32/HardwareSerial.h

@@ -125,6 +125,8 @@ typedef enum {
 #define SOC_RX0 (gpio_num_t)17
 #elif CONFIG_IDF_TARGET_ESP32H2
 #define SOC_RX0 (gpio_num_t)23
+#elif CONFIG_IDF_TARGET_ESP32P4
+#define SOC_RX0 (gpio_num_t)38
 #endif
 #endif
 
@@ -141,6 +143,8 @@ typedef enum {
 #define SOC_TX0 (gpio_num_t)16
 #elif CONFIG_IDF_TARGET_ESP32H2
 #define SOC_TX0 (gpio_num_t)24
+#elif CONFIG_IDF_TARGET_ESP32P4
+#define SOC_TX0 (gpio_num_t)37
 #endif
 #endif
 
@@ -162,6 +166,8 @@ typedef enum {
 #define RX1 (gpio_num_t)4
 #elif CONFIG_IDF_TARGET_ESP32H2
 #define RX1 (gpio_num_t)0
+#elif CONFIG_IDF_TARGET_ESP32P4
+#define RX1 (gpio_num_t)11
 #endif
 #endif
 
@@ -180,6 +186,8 @@ typedef enum {
 #define TX1 (gpio_num_t)5
 #elif CONFIG_IDF_TARGET_ESP32H2
 #define TX1 (gpio_num_t)1
+#elif CONFIG_IDF_TARGET_ESP32P4
+#define TX1 (gpio_num_t)10
 #endif
 #endif
 #endif /* SOC_UART_HP_NUM > 1 */
@@ -192,6 +200,8 @@ typedef enum {
 #define RX2 (gpio_num_t)4
 #elif CONFIG_IDF_TARGET_ESP32S3
 #define RX2 (gpio_num_t)19
+#elif CONFIG_IDF_TARGET_ESP32P4
+#define RX2 (gpio_num_t)15
 #endif
 #endif
 
@@ -200,6 +210,8 @@ typedef enum {
 #define TX2 (gpio_num_t)25
 #elif CONFIG_IDF_TARGET_ESP32S3
 #define TX2 (gpio_num_t)20
+#elif CONFIG_IDF_TARGET_ESP32P4
+#define TX2 (gpio_num_t)14
 #endif
 #endif
 #endif /* SOC_UART_HP_NUM > 2 */

cores/esp32/chip-debug-report.cpp

@@ -64,6 +64,9 @@ static void printPkgVersion(void) {
 #elif CONFIG_IDF_TARGET_ESP32H2
   uint32_t pkg_ver = REG_GET_FIELD(EFUSE_RD_MAC_SYS_4_REG, EFUSE_PKG_VERSION);
   chip_report_printf("%lu", pkg_ver);
+#elif CONFIG_IDF_TARGET_ESP32P4
+  uint32_t pkg_ver = REG_GET_FIELD(EFUSE_RD_MAC_SYS_2_REG, EFUSE_PKG_VERSION);
+  chip_report_printf("%lu", pkg_ver);
 #else
   chip_report_printf("Unknown");
 #endif
@@ -84,6 +87,7 @@ static void printChipInfo(void) {
     case CHIP_ESP32C3: chip_report_printf("ESP32-C3\n"); break;
     case CHIP_ESP32C6: chip_report_printf("ESP32-C6\n"); break;
     case CHIP_ESP32H2: chip_report_printf("ESP32-H2\n"); break;
+    case CHIP_ESP32P4: chip_report_printf("ESP32-P4\n"); break;
     default:           chip_report_printf("Unknown %d\n", info.model); break;
   }
   printPkgVersion();
@@ -105,6 +109,8 @@ static void printChipInfo(void) {
 static void printFlashInfo(void) {
 #if CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32S2
 #define ESP_FLASH_IMAGE_BASE 0x1000
+#elif CONFIG_IDF_TARGET_ESP32P4
+#define ESP_FLASH_IMAGE_BASE 0x2000
 #else
 #define ESP_FLASH_IMAGE_BASE 0x0000
 #endif

cores/esp32/esp32-hal-adc.c

@@ -75,7 +75,7 @@ static bool adcDetachBus(void *pin) {
       if (err != ESP_OK) {
         return false;
       }
-#elif !defined(CONFIG_IDF_TARGET_ESP32H2)
+#elif (!defined(CONFIG_IDF_TARGET_ESP32H2) && !defined(CONFIG_IDF_TARGET_ESP32P4))
       err = adc_cali_delete_scheme_line_fitting(adc_handle[adc_unit].adc_cali_handle);
       if (err != ESP_OK) {
         return false;
@@ -127,7 +127,7 @@ esp_err_t __analogChannelConfig(adc_bitwidth_t width, adc_attenuation_t atten, i
             log_e("adc_cali_create_scheme_curve_fitting failed with error: %d", err);
             return err;
           }
-#elif !defined(CONFIG_IDF_TARGET_ESP32H2)  //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
+#elif (!defined(CONFIG_IDF_TARGET_ESP32H2) && !defined(CONFIG_IDF_TARGET_ESP32P4))  //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
           log_d("Deleting ADC_UNIT_%d line cali handle", adc_unit);
           err = adc_cali_delete_scheme_line_fitting(adc_handle[adc_unit].adc_cali_handle);
           if (err != ESP_OK) {
@@ -310,7 +310,7 @@ uint32_t __analogReadMilliVolts(uint8_t pin) {
       .bitwidth = __analogWidth,
     };
     err = adc_cali_create_scheme_curve_fitting(&cali_config, &adc_handle[adc_unit].adc_cali_handle);
-#elif !defined(CONFIG_IDF_TARGET_ESP32H2)  //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
+#elif (!defined(CONFIG_IDF_TARGET_ESP32H2) && !defined(CONFIG_IDF_TARGET_ESP32P4))  //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
     adc_cali_line_fitting_config_t cali_config = {
       .unit_id = adc_unit,
       .bitwidth = __analogWidth,
@@ -379,7 +379,7 @@ static bool adcContinuousDetachBus(void *adc_unit_number) {
       if (err != ESP_OK) {
         return false;
       }
-#elif !defined(CONFIG_IDF_TARGET_ESP32H2)
+#elif (!defined(CONFIG_IDF_TARGET_ESP32H2) && !defined(CONFIG_IDF_TARGET_ESP32P4))
       err = adc_cali_delete_scheme_line_fitting(adc_handle[adc_unit].adc_cali_handle);
       if (err != ESP_OK) {
         return false;
@@ -552,7 +552,7 @@ bool analogContinuous(const uint8_t pins[], size_t pins_count, uint32_t conversi
       .bitwidth = __adcContinuousWidth,
     };
     err = adc_cali_create_scheme_curve_fitting(&cali_config, &adc_handle[adc_unit].adc_cali_handle);
-#elif !defined(CONFIG_IDF_TARGET_ESP32H2)  //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
+#elif (!defined(CONFIG_IDF_TARGET_ESP32H2) && !defined(CONFIG_IDF_TARGET_ESP32P4))  //ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED
     adc_cali_line_fitting_config_t cali_config = {
       .unit_id = adc_unit,
       .bitwidth = __adcContinuousWidth,