Add support for XMC4700_RELAX kit

Author: jferreir

hw/bsp/xmc4000/boards/xmc4700_relax/board.h

@@ -0,0 +1,81 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021, Ha Thach (tinyusb.org)
+ *
+ * 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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define LED_PIN               P5_9
+#define LED_STATE_ON          1
+
+#define BUTTON_PIN            P15_13
+#define BUTTON_STATE_ACTIVE   0
+
+#define UART_DEV              XMC_UART0_CH0
+#define UART_TX_PIN           P1_5
+#define UART_TX_PIN_AF        P1_5_AF_U0C0_DOUT0
+#define UART_RX_PIN           P1_4
+#define UART_RX_INPUT         USIC0_C0_DX0_P1_4
+
+static inline void board_clock_init(void)
+{
+  /* Clock configuration */
+  /* fPLL = 144MHz */
+  /* fSYS = 144MHz */
+  /* fUSB = 48MHz */
+  const XMC_SCU_CLOCK_CONFIG_t clock_config =
+  {
+    .syspll_config.p_div  = 2,
+    .syspll_config.n_div  = 48,
+    .syspll_config.k_div  = 1,
+    .syspll_config.mode   = XMC_SCU_CLOCK_SYSPLL_MODE_NORMAL,
+    .syspll_config.clksrc = XMC_SCU_CLOCK_SYSPLLCLKSRC_OSCHP,
+    .enable_oschp         = true,
+    .calibration_mode     = XMC_SCU_CLOCK_FOFI_CALIBRATION_MODE_FACTORY,
+    .fsys_clksrc          = XMC_SCU_CLOCK_SYSCLKSRC_PLL,
+    .fsys_clkdiv          = 2,
+    .fcpu_clkdiv          = 1,
+    .fccu_clkdiv          = 1,
+    .fperipheral_clkdiv   = 1
+  };
+
+  /* Setup settings for USB clock */
+  XMC_SCU_CLOCK_Init(&clock_config);
+
+  XMC_SCU_CLOCK_SetUsbClockDivider(6);
+  XMC_SCU_CLOCK_SetUsbClockSource(XMC_SCU_CLOCK_USBCLKSRC_SYSPLL);
+  XMC_SCU_CLOCK_EnableClock(XMC_SCU_CLOCK_USB);
+}
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

hw/bsp/xmc4000/boards/xmc4700_relax/board.mk

@@ -0,0 +1,12 @@
+MCU_VARIANT = XMC4700
+CFLAGS += \
+  -DXMC4700_F144x2048 \
+
+# mcu driver cause following warnings
+CFLAGS += -Wno-stringop-overread
+
+LD_FILE = $(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Source/TOOLCHAIN_GCC_ARM/XMC4700x2048.ld
+
+JLINK_DEVICE = XMC4700-2048
+
+flash: flash-jlink