Add board file for pico2_w

This is a copy of pico2 with the definitions from pico_w added.
Set PICO_BOARD=pico2_w

Author: peterharperuk

src/boards/include/boards/pico2_w.h

@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2024 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+// -----------------------------------------------------
+// NOTE: THIS HEADER IS ALSO INCLUDED BY ASSEMBLER SO
+//       SHOULD ONLY CONSIST OF PREPROCESSOR DIRECTIVES
+// -----------------------------------------------------
+
+// This header may be included by other board headers as "boards/pico2_w.h"
+
+// pico_cmake_set PICO_PLATFORM=rp2350
+// pico_cmake_set PICO_CYW43_SUPPORTED = 1
+
+#ifndef _BOARDS_PICO2_W_H
+#define _BOARDS_PICO2_W_H
+
+// For board detection
+#define RASPBERRYPI_PICO2_W
+
+// --- RP2350 VARIANT ---
+#define PICO_RP2350A 1
+
+// --- UART ---
+#ifndef PICO_DEFAULT_UART
+#define PICO_DEFAULT_UART 0
+#endif
+#ifndef PICO_DEFAULT_UART_TX_PIN
+#define PICO_DEFAULT_UART_TX_PIN 0
+#endif
+#ifndef PICO_DEFAULT_UART_RX_PIN
+#define PICO_DEFAULT_UART_RX_PIN 1
+#endif
+
+// --- LED ---
+// no PICO_DEFAULT_LED_PIN - LED is on Wireless chip
+// no PICO_DEFAULT_WS2812_PIN
+
+// --- I2C ---
+#ifndef PICO_DEFAULT_I2C
+#define PICO_DEFAULT_I2C 0
+#endif
+#ifndef PICO_DEFAULT_I2C_SDA_PIN
+#define PICO_DEFAULT_I2C_SDA_PIN 4
+#endif
+#ifndef PICO_DEFAULT_I2C_SCL_PIN
+#define PICO_DEFAULT_I2C_SCL_PIN 5
+#endif
+
+// --- SPI ---
+#ifndef PICO_DEFAULT_SPI
+#define PICO_DEFAULT_SPI 0
+#endif
+#ifndef PICO_DEFAULT_SPI_SCK_PIN
+#define PICO_DEFAULT_SPI_SCK_PIN 18
+#endif
+#ifndef PICO_DEFAULT_SPI_TX_PIN
+#define PICO_DEFAULT_SPI_TX_PIN 19
+#endif
+#ifndef PICO_DEFAULT_SPI_RX_PIN
+#define PICO_DEFAULT_SPI_RX_PIN 16
+#endif
+#ifndef PICO_DEFAULT_SPI_CSN_PIN
+#define PICO_DEFAULT_SPI_CSN_PIN 17
+#endif
+
+// --- FLASH ---
+
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
+#ifndef PICO_FLASH_SPI_CLKDIV
+#define PICO_FLASH_SPI_CLKDIV 2
+#endif
+
+// pico_cmake_set_default PICO_FLASH_SIZE_BYTES = (4 * 1024 * 1024)
+#ifndef PICO_FLASH_SIZE_BYTES
+#define PICO_FLASH_SIZE_BYTES (4 * 1024 * 1024)
+#endif
+// Drive high to force power supply into PWM mode (lower ripple on 3V3 at light loads)
+// note the SMSP mode pin is on WL_GPIO1
+
+#ifndef CYW43_PIN_WL_HOST_WAKE
+#define CYW43_PIN_WL_HOST_WAKE 24
+#endif
+
+#ifndef CYW43_PIN_WL_REG_ON
+#define CYW43_PIN_WL_REG_ON 23
+#endif
+
+#ifndef CYW43_WL_GPIO_COUNT
+#define CYW43_WL_GPIO_COUNT 3
+#endif
+
+#ifndef CYW43_WL_GPIO_LED_PIN
+#define CYW43_WL_GPIO_LED_PIN 0
+#endif
+
+// If CYW43_WL_GPIO_VBUS_PIN is defined then a CYW43 GPIO has to be used to read VBUS.
+// This can be passed to cyw43_arch_gpio_get to determine if the device is battery powered.
+// PICO_VBUS_PIN and CYW43_WL_GPIO_VBUS_PIN should not both be defined.
+#ifndef CYW43_WL_GPIO_VBUS_PIN
+#define CYW43_WL_GPIO_VBUS_PIN 2
+#endif
+
+// If CYW43_USES_VSYS_PIN is defined then CYW43 uses the VSYS GPIO (defined by PICO_VSYS_PIN) for other purposes.
+// If this is the case, to use the VSYS GPIO it's necessary to ensure CYW43 is not using it.
+// This can be achieved by wrapping the use of the VSYS GPIO in cyw43_thread_enter / cyw43_thread_exit.
+#ifndef CYW43_USES_VSYS_PIN
+#define CYW43_USES_VSYS_PIN 1
+#endif
+
+// The GPIO Pin used to monitor VSYS. Typically you would use this with ADC.
+// There is an example in adc/read_vsys in pico-examples.
+#ifndef PICO_VSYS_PIN
+#define PICO_VSYS_PIN 29
+#endif
+
+#ifndef PICO_RP2350_A2_SUPPORTED
+#define PICO_RP2350_A2_SUPPORTED 1
+#endif
+
+#endif