added Xerxes RP2040 board to includes (#1459)

src/boards/include/boards/metrotech_xerxes_rp2040.h

@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2020 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
+// -----------------------------------------------------
+
+#ifndef _BOARDS_METROTECH_XERXES_RP2040_H
+#define _BOARDS_METROTECH_XERXES_RP2040_H
+
+
+#define USR_SW_PIN          18
+#define USR_BTN_PIN         24
+#define USR_LED_PIN         25
+
+#define UART1_TX_PIN        8
+#define UART1_RX_PIN        9
+
+#define UART0_TX_PIN        16
+#define UART0_RX_PIN        17
+
+#define SPI0_MISO_PIN       0   
+#define SPI0_CSN_PIN        1
+#define SPI0_CLK_PIN        2
+#define SPI0_MOSI_PIN       3
+
+#define I2C0_SDA_PIN        4
+#define I2C0_SCL_PIN        5
+
+#define EXT_3V3_EN_PIN      6
+
+#define RS_EN_PIN           19
+#define RS_TX_PIN           UART0_TX_PIN
+#define RS_RX_PIN           UART0_RX_PIN
+
+#define ADC0_PIN            26  // ADC0 and PWM5_A share the same pin
+#define ADC1_PIN            27  // ADC1 and PWM5_B share the same pin
+#define ADC2_PIN            28  // ADC2 and PWM6_A share the same pin
+#define ADC3_PIN            29  // ADC3 and PWM6_B share the same pin
+
+#define TMP0_PIN            22  // TMP0 and I2C1 share the same pin
+#define TMP1_PIN            23  // TMP1 and I2C1 share the same pin
+
+#define I2C1_SDA_PIN        22  // I2C1 and TMP0 share the same pin
+#define I2C1_SCL_PIN        23  // I2C1 and TMP1 share the same pin
+
+#define PWM0_A_PIN          0   // PWM0_A and SPI0_MISO share the same pin
+#define PWM0_B_PIN          1   // PWM0_B and SPI0_CSN share the same pin
+#define PWM1_A_PIN          2   // PWM1_A and SPI0_CLK share the same pin
+#define PWM1_B_PIN          3   // PWM1_B and SPI0_MOSI share the same pin
+#define PWM2_A_PIN          4   // PWM2_A and I2C0_SDA share the same pin
+#define PWM2_B_PIN          5   // PWM2_B and I2C0_SCL share the same pin
+#define PWM3_A_PIN          22  // PWM3_A and TMP0 share the same pin
+#define PWM3_B_PIN          23  // PWM3_B and TMP1 share the same pin
+#define PWM4_A_PIN          24  // PWM4_A and USR_BTN share the same pin
+#define PWM4_B_PIN          25  // PWM4_B and USR_LED share the same pin
+#define PWM5_A_PIN          26  // PWM5_A and ADC0 share the same pin
+#define PWM5_B_PIN          27  // PWM5_B and ADC1 share the same pin
+#define PWM6_A_PIN          28  // PWM6_A and ADC2 share the same pin
+#define PWM6_B_PIN          29  // PWM6_B and ADC3 share the same pin
+
+#define CLK_GPIN1_PIN       22  // CLK_GPIN1 and TMP0 share the same pin
+#define CLK_GPOUT1_PIN      23  // CLK_GPOUT1 and TMP1 share the same pin
+
+/// @brief Mask of pins that are used by the shield and not used by the board, eq. 0x3fc0033f
+#define SHIELD_MASK         1 << SPI0_MISO_PIN | 1 << SPI0_CSN_PIN | 1 << SPI0_CLK_PIN | 1 << SPI0_MOSI_PIN | \
+                            1 << I2C0_SDA_PIN | 1 << I2C0_SCL_PIN | \
+                            1 << UART1_TX_PIN | 1 << UART1_RX_PIN | \
+                            1 << ADC0_PIN | 1 << ADC1_PIN | 1 << ADC2_PIN | 1 << ADC3_PIN | \
+                            1 << TMP0_PIN | 1 << TMP1_PIN
+
+
+// For board detection
+#define XERXES_RP2040
+
+// --- UART ---
+#ifndef PICO_DEFAULT_UART
+#define PICO_DEFAULT_UART 0
+#endif
+#ifndef PICO_DEFAULT_UART_TX_PIN
+#define PICO_DEFAULT_UART_TX_PIN UART0_TX_PIN
+#endif
+#ifndef PICO_DEFAULT_UART_RX_PIN
+#define PICO_DEFAULT_UART_RX_PIN UART0_RX_PIN
+#endif
+
+// --- LED ---
+#ifndef PICO_DEFAULT_LED_PIN
+#define PICO_DEFAULT_LED_PIN USR_LED_PIN
+#endif
+// 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 I2C0_SDA_PIN
+#endif
+#ifndef PICO_DEFAULT_I2C_SCL_PIN
+#define PICO_DEFAULT_I2C_SCL_PIN I2C0_SCL_PIN
+#endif
+
+// --- SPI ---
+#ifndef PICO_DEFAULT_SPI
+#define PICO_DEFAULT_SPI 0
+#endif
+#ifndef PICO_DEFAULT_SPI_SCK_PIN
+#define PICO_DEFAULT_SPI_SCK_PIN SPI0_CLK_PIN
+#endif
+#ifndef PICO_DEFAULT_SPI_TX_PIN
+#define PICO_DEFAULT_SPI_TX_PIN SPI0_MOSI_PIN
+#endif
+#ifndef PICO_DEFAULT_SPI_RX_PIN
+#define PICO_DEFAULT_SPI_RX_PIN SPI0_MISO_PIN
+#endif
+#ifndef PICO_DEFAULT_SPI_CSN_PIN
+#define PICO_DEFAULT_SPI_CSN_PIN SPI0_CSN_PIN
+#endif
+
+// --- FLASH ---
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
+#ifndef __CLKDIV 
+#define __CLKDIV 4
+#endif // !__CLKDIV
+
+#ifndef PICO_FLASH_SPI_CLKDIV
+/**
+ * @brief divisor for SPI clock (default 4), must be divisible by 2
+ * 
+ * This is critical for some flash chips, and can be set to 4 for some, 
+ * but needs to be at least 32 for others. Set using -DCLKDIV=<N*2> in cmake.
+ * @note Increasing this value will help with BOOTLOOPs, but will slow down the flash chip.
+ */
+#define PICO_FLASH_SPI_CLKDIV __CLKDIV
+#endif // !PICO_FLASH_SPI_CLKDIV
+
+
+#ifndef PICO_XOSC_STARTUP_DELAY_MULTIPLIER
+#define PICO_XOSC_STARTUP_DELAY_MULTIPLIER 16
+#endif // !PICO_XOSC_STARTUP_DELAY_MULTIPLIER
+
+#ifndef PICO_FLASH_SIZE_BYTES
+/**
+ * @brief 16MiB, Flash size in bytes
+ * 
+ * This is the size of the flash chip on the board, not the size of the flash chip that is used for the bootloader.
+ */
+#define PICO_FLASH_SIZE_BYTES (16 * 1024 * 1024)
+#endif // !PICO_FLASH_SIZE_BYTES
+
+// All boards have B1 RP2040
+#ifndef PICO_RP2040_B0_SUPPORTED 
+#define PICO_RP2040_B0_SUPPORTED  0
+#endif // !PICO_RP2040_B0_SUPPORTED
+
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // _BOARDS_METROTECH_XERXES_RP2040_H