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Merge pull request #6694 from dhalbert/esp32-no-psram 

ESP32 no psram support; other ESP32 cleanup
This commit is contained in:
Scott Shawcroft 2022-08-04 11:49:39 -07:00 committed by GitHub
parent 3707b54e3b 202fac59f8
commit e0cb8ef17e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 233 additions and 78 deletions
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19
ports/espressif/boards/adafruit_feather_esp32_v2/sdkconfig
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@ -1,11 +1,4 @@
#
# Partition Table
#
CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="esp-idf-config/partitions-8MB-no-uf2.csv"
CONFIG_PARTITION_TABLE_FILENAME="esp-idf-config/partitions-8MB-no-uf2.csv"
# end of Partition Table
#
CONFIG_ESP32_SPIRAM_SUPPORT=y
# SPI RAM config
#
# CONFIG_SPIRAM_TYPE_AUTO is not set
@ -25,15 +18,7 @@ CONFIG_SPIRAM_MEMTEST=y
# CONFIG_SPIRAM_ALLOW_NOINIT_SEG_EXTERNAL_MEMORY is not set
CONFIG_SPIRAM_CACHE_WORKAROUND=y
#
# SPI RAM config
#
CONFIG_ESP32_SPIRAM_SUPPORT=y
# CONFIG_SPIRAM_TYPE_AUTO is not set
# CONFIG_SPIRAM_TYPE_ESPPSRAM32 is not set
# CONFIG_SPIRAM_TYPE_ESPPSRAM64 is not set
### # Uncomment to send log output to TX/RX pins on Feather ESP32V2
# Uncomment (remove ###) to send ESP_LOG output to TX/RX pins
### #
### # ESP System Settings
### #

45
ports/espressif/boards/adafruit_feather_huzzah32/board.c Normal file
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@ -0,0 +1,45 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 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"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "components/driver/include/driver/gpio.h"
#include "components/hal/include/hal/gpio_hal.h"
#include "common-hal/microcontroller/Pin.h"
void board_init(void) {
}
bool board_requests_safe_mode(void) {
return false;
}
void reset_board(void) {
}
void board_deinit(void) {
}

45
ports/espressif/boards/adafruit_feather_huzzah32/mpconfigboard.h Normal file
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@ -0,0 +1,45 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 Dan Halbert 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.
*/
// Micropython setup
#define MICROPY_HW_BOARD_NAME "Adafruit Feather HUZZAH32"
#define MICROPY_HW_MCU_NAME "ESP32"
#define MICROPY_HW_LED_STATUS (&pin_GPIO13)
#define CIRCUITPY_BOARD_I2C (1)
#define CIRCUITPY_BOARD_I2C_PIN {{.scl = &pin_GPIO22, .sda = &pin_GPIO23}}
#define CIRCUITPY_BOARD_SPI (1)
#define CIRCUITPY_BOARD_SPI_PIN {{.clock = &pin_GPIO5, .mosi = &pin_GPIO18, .miso = &pin_GPIO19}}
#define CIRCUITPY_BOARD_UART (1)
#define CIRCUITPY_BOARD_UART_PIN {{.tx = &pin_GPIO17, .rx = &pin_GPIO16}}
// UART pins attached to the USB-serial converter chip
#define CIRCUITPY_CONSOLE_UART_TX (&pin_GPIO1)
#define CIRCUITPY_CONSOLE_UART_RX (&pin_GPIO3)

18
ports/espressif/boards/adafruit_feather_huzzah32/mpconfigboard.mk Normal file
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@ -0,0 +1,18 @@
CIRCUITPY_CREATOR_ID = 0x0000239A
CIRCUITPY_CREATION_ID = 0x00320002
IDF_TARGET = esp32
INTERNAL_FLASH_FILESYSTEM = 1
LONGINT_IMPL = MPZ
# The default queue depth of 16 overflows on release builds,
# so increase it to 32.
CFLAGS += -DCFG_TUD_TASK_QUEUE_SZ=32
CIRCUITPY_STATUS_BAR = 0
CIRCUITPY_WEB_WORKFLOW = 0
CIRCUITPY_ESP_FLASH_MODE = dio
CIRCUITPY_ESP_FLASH_FREQ = 40m
CIRCUITPY_ESP_FLASH_SIZE = 4MB

79
ports/espressif/boards/adafruit_feather_huzzah32/pins.c Normal file
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@ -0,0 +1,79 @@
#include "shared-bindings/board/__init__.h"
STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
// External pins are in silkscreen order, from top to bottom, left side, then right side
{ MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO26) },
{ MP_ROM_QSTR(MP_QSTR_D26), MP_ROM_PTR(&pin_GPIO26) },
{ MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO25) },
{ MP_ROM_QSTR(MP_QSTR_D25), MP_ROM_PTR(&pin_GPIO25) },
{ MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO34) },
{ MP_ROM_QSTR(MP_QSTR_D34), MP_ROM_PTR(&pin_GPIO34) },
{ MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO39) },
{ MP_ROM_QSTR(MP_QSTR_D39), MP_ROM_PTR(&pin_GPIO39) },
{ MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_GPIO36) },
{ MP_ROM_QSTR(MP_QSTR_D36), MP_ROM_PTR(&pin_GPIO36) },
{ MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_GPIO4) },
{ MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_GPIO4) },
{ MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO5) },
{ MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_GPIO5) },
{ MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO18) },
{ MP_ROM_QSTR(MP_QSTR_D18), MP_ROM_PTR(&pin_GPIO18) },
{ MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO19) },
{ MP_ROM_QSTR(MP_QSTR_D19), MP_ROM_PTR(&pin_GPIO19) },
{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO16) },
{ MP_ROM_QSTR(MP_QSTR_D16), MP_ROM_PTR(&pin_GPIO16) },
{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO17) },
{ MP_ROM_QSTR(MP_QSTR_D17), MP_ROM_PTR(&pin_GPIO17) },
{ MP_ROM_QSTR(MP_QSTR_D21), MP_ROM_PTR(&pin_GPIO21) },
{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO13) },
{ MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_GPIO13) },
{ MP_ROM_QSTR(MP_QSTR_A12), MP_ROM_PTR(&pin_GPIO13) },
{ MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_GPIO12) },
{ MP_ROM_QSTR(MP_QSTR_A11), MP_ROM_PTR(&pin_GPIO12) },
{ MP_ROM_QSTR(MP_QSTR_D27), MP_ROM_PTR(&pin_GPIO27) },
{ MP_ROM_QSTR(MP_QSTR_A10), MP_ROM_PTR(&pin_GPIO27) },
{ MP_ROM_QSTR(MP_QSTR_D33), MP_ROM_PTR(&pin_GPIO33) },
{ MP_ROM_QSTR(MP_QSTR_A9), MP_ROM_PTR(&pin_GPIO33) },
{ MP_ROM_QSTR(MP_QSTR_D15), MP_ROM_PTR(&pin_GPIO15) },
{ MP_ROM_QSTR(MP_QSTR_A8), MP_ROM_PTR(&pin_GPIO15) },
{ MP_ROM_QSTR(MP_QSTR_D32), MP_ROM_PTR(&pin_GPIO32) },
{ MP_ROM_QSTR(MP_QSTR_A7), MP_ROM_PTR(&pin_GPIO32) },
{ MP_ROM_QSTR(MP_QSTR_D14), MP_ROM_PTR(&pin_GPIO14) },
{ MP_ROM_QSTR(MP_QSTR_A6), MP_ROM_PTR(&pin_GPIO14) },
{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO22) },
{ MP_ROM_QSTR(MP_QSTR_D22), MP_ROM_PTR(&pin_GPIO22) },
{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO23) },
{ MP_ROM_QSTR(MP_QSTR_D23), MP_ROM_PTR(&pin_GPIO23) },
{ MP_ROM_QSTR(MP_QSTR_D35), MP_ROM_PTR(&pin_GPIO35) },
{ MP_ROM_QSTR(MP_QSTR_VOLTAGE_MONITOR), MP_ROM_PTR(&pin_GPIO35) },
{ MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO0) },
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) }
};
MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

20
ports/espressif/boards/adafruit_feather_huzzah32/sdkconfig Normal file
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@ -0,0 +1,20 @@
CONFIG_ESP32_ECO3_CACHE_LOCK_FIX=y
CONFIG_ESP32_SPIRAM_SUPPORT=n
# Uncomment (remove ###) to send ESP_LOG output to TX/RX pins
### #
### # ESP System Settings
### #
### CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT=y
### # CONFIG_ESP_SYSTEM_PANIC_SILENT_REBOOT is not set
### CONFIG_ESP_CONSOLE_UART_CUSTOM=y
### CONFIG_ESP_CONSOLE_NONE is not set
### CONFIG_ESP_CONSOLE_UART=y
### CONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_0=y
### # CONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_1 is not set
### CONFIG_ESP_CONSOLE_UART_NUM=0
### CONFIG_ESP_CONSOLE_UART_TX_GPIO=17
### CONFIG_ESP_CONSOLE_UART_RX_GPIO=16
### CONFIG_ESP_CONSOLE_UART_BAUDRATE=115200
### # CONFIG_ESP_SYSTEM_CHECK_INT_LEVEL_5 is not set
### # end of ESP System Settings

11
ports/espressif/boards/adafruit_qtpy_esp32_pico/sdkconfig
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@ -1,10 +1,3 @@
#
# Partition Table
#
CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="esp-idf-config/partitions-8MB-no-uf2.csv"
CONFIG_PARTITION_TABLE_FILENAME="esp-idf-config/partitions-8MB-no-uf2.csv"
# end of Partition Table
#
# SPI RAM config
#
@ -33,7 +26,7 @@ CONFIG_ESP32_SPIRAM_SUPPORT=y
# CONFIG_SPIRAM_TYPE_ESPPSRAM32 is not set
# CONFIG_SPIRAM_TYPE_ESPPSRAM64 is not set
### # Uncomment to send log output to TX/RX pins on Feather ESP32V2
### # Uncomment (remove ###) to send ESP_LOG output to TX/RX pins
### #
### # ESP System Settings
### #
@ -45,7 +38,7 @@ CONFIG_ESP32_SPIRAM_SUPPORT=y
### CONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_0=y
### # CONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_1 is not set
### CONFIG_ESP_CONSOLE_UART_NUM=0
### CONFIG_ESP_CONSOLE_UART_TX_GPIO=8
### CONFIG_ESP_CONSOLE_UART_TX_GPIO=32
### CONFIG_ESP_CONSOLE_UART_RX_GPIO=7
### CONFIG_ESP_CONSOLE_UART_BAUDRATE=115200
### # CONFIG_ESP_SYSTEM_CHECK_INT_LEVEL_5 is not set

37
ports/espressif/boards/hardkernel_odroid_go/sdkconfig
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@ -1,13 +1,4 @@
#
# Partition Table
#
CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="esp-idf-config/partitions-16MB-no-uf2.csv"
CONFIG_PARTITION_TABLE_FILENAME="esp-idf-config/partitions-16MB-no-uf2.csv"
# end of Partition Table
CONFIG_ESP_INT_WDT_TIMEOUT_MS=3000
#
CONFIG_ESP32_SPIRAM_SUPPORT=y
# SPI RAM config
#
# CONFIG_SPIRAM_TYPE_AUTO is not set
@ -27,28 +18,20 @@ CONFIG_SPIRAM_MEMTEST=y
# CONFIG_SPIRAM_ALLOW_NOINIT_SEG_EXTERNAL_MEMORY is not set
CONFIG_SPIRAM_CACHE_WORKAROUND=y
#
# SPI RAM config
#
CONFIG_ESP32_SPIRAM_SUPPORT=y
# CONFIG_SPIRAM_TYPE_AUTO is not set
# CONFIG_SPIRAM_TYPE_ESPPSRAM32 is not set
# CONFIG_SPIRAM_TYPE_ESPPSRAM64 is not set
### # Uncomment to send log output to TX/RX pins on Feather ESP32V2
# Uncomment (remove ###) to send ESP_LOG output to TX/RX pins
### #
### # ESP System Settings
### #
CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT=y
### CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT=y
### # CONFIG_ESP_SYSTEM_PANIC_SILENT_REBOOT is not set
CONFIG_ESP_CONSOLE_UART_CUSTOM=y
### CONFIG_ESP_CONSOLE_UART_CUSTOM=y
### # CONFIG_ESP_CONSOLE_NONE is not set
CONFIG_ESP_CONSOLE_UART=y
CONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_0=y
### CONFIG_ESP_CONSOLE_UART=y
### nCONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_0=y
### # CONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_1 is not set
CONFIG_ESP_CONSOLE_UART_NUM=0
CONFIG_ESP_CONSOLE_UART_TX_GPIO=12
CONFIG_ESP_CONSOLE_UART_RX_GPIO=15
CONFIG_ESP_CONSOLE_UART_BAUDRATE=115200
### CONFIG_ESP_CONSOLE_UART_NUM=0
### CONFIG_ESP_CONSOLE_UART_TX_GPIO=12
### CONFIG_ESP_CONSOLE_UART_RX_GPIO=15
### CONFIG_ESP_CONSOLE_UART_BAUDRATE=115200
### # CONFIG_ESP_SYSTEM_CHECK_INT_LEVEL_5 is not set
### # end of ESP System Settings

2
ports/espressif/esp-idf

@ -1 +1 @@
Subproject commit ddb7ddbcb613a582e0a91eda8b1d2510dd0a2d83
Subproject commit d51f7d882187afa4b39c2613fd0fe2ac2fea1145

29
ports/espressif/esp-idf-config/sdkconfig-esp32.defaults
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@ -1,3 +1,6 @@
#
# Espressif IoT Development Framework (ESP-IDF) Project Configuration
#
CONFIG_IDF_TARGET_ARCH_XTENSA=y
CONFIG_IDF_TARGET="esp32"
CONFIG_IDF_TARGET_ESP32=y
@ -112,19 +115,6 @@ CONFIG_ESPTOOLPY_MONITOR_BAUD_OTHER_VAL=115200
CONFIG_ESPTOOLPY_MONITOR_BAUD=115200
# end of Serial flasher config
#
# Partition Table
#
# CONFIG_PARTITION_TABLE_SINGLE_APP is not set
# CONFIG_PARTITION_TABLE_SINGLE_APP_LARGE is not set
# CONFIG_PARTITION_TABLE_TWO_OTA is not set
CONFIG_PARTITION_TABLE_CUSTOM=y
# CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="esp-idf-config/partitions-8MB-no-uf2.csv"
# CONFIG_PARTITION_TABLE_FILENAME="esp-idf-config/partitions-8MB-no-uf2.csv"
CONFIG_PARTITION_TABLE_OFFSET=0x8000
CONFIG_PARTITION_TABLE_MD5=y
# end of Partition Table
#
# Compiler options
#
@ -480,16 +470,10 @@ CONFIG_ESP_MAIN_TASK_AFFINITY_CPU0=y
CONFIG_ESP_MAIN_TASK_AFFINITY=0x0
CONFIG_ESP_MINIMAL_SHARED_STACK_SIZE=2048
# CONFIG_ESP_CONSOLE_UART_DEFAULT is not set
CONFIG_ESP_CONSOLE_UART_CUSTOM=y
# CONFIG_ESP_CONSOLE_NONE is not set
CONFIG_ESP_CONSOLE_UART=y
# CONFIG_ESP_CONSOLE_UART_CUSTOM is not set
CONFIG_ESP_CONSOLE_NONE=y
CONFIG_ESP_CONSOLE_MULTIPLE_UART=y
CONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_0=y
# CONFIG_ESP_CONSOLE_UART_CUSTOM_NUM_1 is not set
CONFIG_ESP_CONSOLE_UART_NUM=0
CONFIG_ESP_CONSOLE_UART_TX_GPIO=8
CONFIG_ESP_CONSOLE_UART_RX_GPIO=7
CONFIG_ESP_CONSOLE_UART_BAUDRATE=115200
CONFIG_ESP_CONSOLE_UART_NUM=-1
CONFIG_ESP_INT_WDT=y
CONFIG_ESP_INT_WDT_TIMEOUT_MS=300
CONFIG_ESP_INT_WDT_CHECK_CPU1=y
@ -1081,7 +1065,6 @@ CONFIG_STACK_CHECK_NONE=y
CONFIG_ESP32_APPTRACE_DEST_NONE=y
CONFIG_ESP32_APPTRACE_LOCK_ENABLE=y
CONFIG_ADC2_DISABLE_DAC=y
CONFIG_SPIRAM_SUPPORT=y
CONFIG_TRACEMEM_RESERVE_DRAM=0x0
# CONFIG_ULP_COPROC_ENABLED is not set
CONFIG_ULP_COPROC_RESERVE_MEM=0

6
ports/espressif/supervisor/port.c
View File

@ -160,6 +160,7 @@ void sleep_timer_cb(void *arg);
#define PSRAM_HSPI_SPIWP_SD3_IO 2
#define PSRAM_HSPI_SPIHD_SD2_IO 4
#ifdef CONFIG_SPIRAM
// PSRAM clock and cs IO should be configured based on hardware design.
// For ESP32-WROVER or ESP32-WROVER-B module, the clock IO is IO17, the cs IO is IO16,
// they are the default value for these two configs.
@ -180,9 +181,11 @@ void sleep_timer_cb(void *arg);
#define PICO_V3_02_PSRAM_CLK_IO 10
#define PICO_V3_02_PSRAM_CS_IO 9
#endif // CONFIG_SPIRAM
static void _never_reset_spi_ram_flash(void) {
#if defined(CONFIG_IDF_TARGET_ESP32)
#if defined(CONFIG_SPIRAM)
uint32_t pkg_ver = esp_efuse_get_pkg_ver();
if (pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32D2WDQ5) {
never_reset_pin_number(D2WD_PSRAM_CLK_IO);
@ -202,6 +205,7 @@ static void _never_reset_spi_ram_flash(void) {
never_reset_pin_number(D0WDR2_V3_PSRAM_CLK_IO);
never_reset_pin_number(D0WDR2_V3_PSRAM_CS_IO);
}
#endif // CONFIG_SPIRAM
const uint32_t spiconfig = esp_rom_efuse_get_flash_gpio_info();
if (spiconfig == ESP_ROM_EFUSE_FLASH_DEFAULT_SPI) {
@ -226,7 +230,7 @@ static void _never_reset_spi_ram_flash(void) {
never_reset_pin_number(EFUSE_SPICONFIG_RET_SPIHD(spiconfig));
never_reset_pin_number(bootloader_flash_get_wp_pin());
}
#endif
#endif // CONFIG_IDF_TARGET_ESP32
}
safe_mode_t port_init(void) {