initial commit of support for K32L2B

7 files changed, 290 insertions, 3 deletions

diff --git a/hw/bsp/board_mcu.h b/hw/bsp/board_mcu.h
index acfd7348d..8cc50c808 100644
--- a/hw/bsp/board_mcu.h
+++ b/hw/bsp/board_mcu.h
@@ -46,7 +46,8 @@
   #include "chip.h"
 
 #elif CFG_TUSB_MCU == OPT_MCU_LPC51UXX || CFG_TUSB_MCU == OPT_MCU_LPC54XXX || \
-      CFG_TUSB_MCU == OPT_MCU_LPC55XX  || CFG_TUSB_MCU == OPT_MCU_MKL25ZXX
+      CFG_TUSB_MCU == OPT_MCU_LPC55XX  || CFG_TUSB_MCU == OPT_MCU_MKL25ZXX || \
+      CFG_TUSB_MCU == OPT_MCU_K32L2BXX
   #include "fsl_device_registers.h"
 
 #elif CFG_TUSB_MCU == OPT_MCU_NRF5X
diff --git a/hw/bsp/frdm_k32l2b/board.h b/hw/bsp/frdm_k32l2b/board.h
new file mode 100644
index 000000000..60bc03fbd
--- /dev/null
+++ b/hw/bsp/frdm_k32l2b/board.h
@@ -0,0 +1,58 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019, 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_
+
+#include "fsl_device_registers.h"
+
+// LED
+//#define LED_PINMUX            IOMUXC_GPIO_11_GPIOMUX_IO11
+//#define LED_PIN_CLOCK         kCLOCK_PortB
+#define LED_GPIO              GPIOD
+#define LED_PORT              PORTD
+#define LED_PIN               5
+#define LED_STATE_ON          0
+
+// SW3 button1
+//#define BUTTON_PINMUX         IOMUXC_GPIO_SD_05_GPIO2_IO05
+//#define BUTTON_PIN_CLOCK      kCLOCK_PortC
+#define BUTTON_GPIO           GPIOC
+#define BUTTON_PORT           PORTC
+#define BUTTON_PIN            3
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_PORT             LPUART0
+//#define UART_PIN_CLOCK        kCLOCK_PortA
+#define UART_PIN_PORT         PORTA
+#define UART_PIN_RX           1u
+#define UART_PIN_TX           2u
+#define SOPT5_LPUART0RXSRC_LPUART_RX 0x00u /*!<@brief LPUART0 Receive Data Source Select: LPUART_RX pin */
+#define SOPT5_LPUART0TXSRC_LPUART_TX 0x00u /*!<@brief LPUART0 Transmit Data Source Select: LPUART0_TX pin */
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/frdm_k32l2b/board.mk b/hw/bsp/frdm_k32l2b/board.mk
new file mode 100644
index 000000000..56df553da
--- /dev/null
+++ b/hw/bsp/frdm_k32l2b/board.mk
@@ -0,0 +1,51 @@
+SDK_DIR = hw/mcu/nxp/mcux-sdk
+DEPS_SUBMODULES += $(SDK_DIR)
+
+CFLAGS += \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m0plus \
+  -DCPU_K32L2B31VLH0A \
+  -DCFG_TUSB_MCU=OPT_MCU_K32L2BXX
+
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter
+
+MCU_DIR = $(SDK_DIR)/devices/K32L2B31A
+
+# All source paths should be relative to the top level.
+LD_FILE = $(MCU_DIR)/gcc/K32L2B31xxxxA_flash.ld
+
+SRC_C += \
+	src/portable/nxp/khci/dcd_khci.c \
+	$(MCU_DIR)/system_K32L2B31A.c \
+	$(MCU_DIR)/project_template/clock_config.c \
+	$(MCU_DIR)/drivers/fsl_clock.c \
+	$(SDK_DIR)/drivers/gpio/fsl_gpio.c \
+	$(SDK_DIR)/drivers/lpuart/fsl_lpuart.c
+
+INC += \
+	$(TOP)/hw/bsp/$(BOARD) \
+	$(TOP)/$(SDK_DIR)/CMSIS/Include \
+	$(TOP)/$(SDK_DIR)/drivers/smc \
+	$(TOP)/$(SDK_DIR)/drivers/common \
+	$(TOP)/$(SDK_DIR)/drivers/gpio \
+	$(TOP)/$(SDK_DIR)/drivers/port \
+	$(TOP)/$(SDK_DIR)/drivers/lpuart \
+	$(TOP)/$(MCU_DIR) \
+	$(TOP)/$(MCU_DIR)/drivers \
+	$(TOP)/$(MCU_DIR)/project_template \
+
+SRC_S += $(MCU_DIR)/gcc/startup_K32L2B31A.S
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM0
+
+# For flash-jlink target
+JLINK_DEVICE = MKL25Z128xxx4
+
+# For flash-pyocd target
+PYOCD_TARGET = K32L2B
+
+# flash using pyocd
+flash: flash-pyocd
diff --git a/hw/bsp/frdm_k32l2b/frdm_k32l2b.c b/hw/bsp/frdm_k32l2b/frdm_k32l2b.c
new file mode 100644
index 000000000..c5e92d37d
--- /dev/null
+++ b/hw/bsp/frdm_k32l2b/frdm_k32l2b.c
@@ -0,0 +1,174 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018, hathach (tinyusb.org)
+ * Copyright (c) 2020, Koji Kitayama
+ *
+ * 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.
+ */
+
+#include "../board.h"
+#include "board.h"
+#include "fsl_gpio.h"
+#include "fsl_port.h"
+#include "fsl_clock.h"
+#include "fsl_lpuart.h"
+
+#include "clock_config.h"
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB0_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+//--------------------------------------------------------------------+
+// LED
+/*
+//#define LED_PINMUX            IOMUXC_GPIO_AD_B0_09_GPIO1_IO09
+#define LED_PORT              GPIOB
+#define LED_PIN_CLOCK         kCLOCK_PortD
+#define LED_PIN_PORT          PORTD
+#define LED_PIN               5U
+#define LED_PIN_FUNCTION      kPORT_MuxAsGpio
+#define LED_STATE_ON          0
+
+// UART
+#define UART_PORT             LPUART0
+#define UART_PIN_CLOCK        kCLOCK_PortA
+#define UART_PIN_PORT         PORTA
+#define UART_PIN_RX           1u
+#define UART_PIN_TX           2u
+#define UART_PIN_FUNCTION     kPORT_MuxAlt2
+*/
+//#define SOPT5_UART0RXSRC_UART_RX      0x00u   /*!< UART0 receive data source select: UART0_RX pin */
+//#define SOPT5_UART0TXSRC_UART_TX      0x00u   /*!< UART0 transmit data source select: UART0_TX pin */
+
+//const uint8_t dcd_data[] = { 0x00 };
+
+void board_init(void)
+{
+  /* Port A Clock Gate Control: Clock enabled */
+  CLOCK_EnableClock(kCLOCK_PortA);
+  /* Port B Clock Gate Control: Clock enabled */
+  CLOCK_EnableClock(kCLOCK_PortB);
+  /* Port C Clock Gate Control: Clock enabled */
+  CLOCK_EnableClock(kCLOCK_PortC);
+  /* Port D Clock Gate Control: Clock enabled */
+  CLOCK_EnableClock(kCLOCK_PortD);
+  /* Port E Clock Gate Control: Clock enabled */
+  CLOCK_EnableClock(kCLOCK_PortE);
+
+  gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0 };
+  GPIO_PinInit(LED_GPIO, LED_PIN, &led_config);
+  PORT_SetPinMux(LED_PORT, LED_PIN, kPORT_MuxAsGpio);
+
+  gpio_pin_config_t button_config = { kGPIO_DigitalInput, 0 };
+  GPIO_PinInit(BUTTON_GPIO, BUTTON_PIN, &button_config);
+  const port_pin_config_t BUTTON_CFG = {
+    kPORT_PullUp, 
+    kPORT_FastSlewRate, 
+    kPORT_PassiveFilterDisable, 
+    kPORT_LowDriveStrength, 
+    kPORT_MuxAsGpio
+  };
+  PORT_SetPinConfig(BUTTON_PORT, BUTTON_PIN, &BUTTON_CFG);
+
+  /* PORTA1 (pin 23) is configured as LPUART0_RX */
+  PORT_SetPinMux(PORTA, 1U, kPORT_MuxAlt2);
+  /* PORTA2 (pin 24) is configured as LPUART0_TX */
+  PORT_SetPinMux(PORTA, 2U, kPORT_MuxAlt2);
+  
+  SIM->SOPT5 = ((SIM->SOPT5 &
+               /* Mask bits to zero which are setting */
+               (~(SIM_SOPT5_LPUART0TXSRC_MASK | SIM_SOPT5_LPUART0RXSRC_MASK)))
+               /* LPUART0 Transmit Data Source Select: LPUART0_TX pin. */
+               | SIM_SOPT5_LPUART0TXSRC(SOPT5_LPUART0TXSRC_LPUART_TX)
+               /* LPUART0 Receive Data Source Select: LPUART_RX pin. */
+               | SIM_SOPT5_LPUART0RXSRC(SOPT5_LPUART0RXSRC_LPUART_RX));
+
+  BOARD_BootClockRUN();
+  SystemCoreClockUpdate();
+  CLOCK_SetLpuart0Clock(1);
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
+
+  lpuart_config_t uart_config;
+  LPUART_GetDefaultConfig(&uart_config);
+  uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
+  uart_config.enableTx = true;
+  uart_config.enableRx = true;
+  LPUART_Init(UART_PORT, &uart_config, CLOCK_GetFreq(kCLOCK_McgIrc48MClk));
+
+  // USB
+//  SystemCoreClockUpdate();
+  CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, 48000000U);
+//  CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcPll0, CLOCK_GetFreq(kCLOCK_PllFllSelClk));
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  GPIO_PinWrite(LED_GPIO, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+}
+
+uint32_t board_button_read(void)
+{
+  return BUTTON_STATE_ACTIVE == GPIO_PinRead(BUTTON_GPIO, BUTTON_PIN);
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  LPUART_ReadBlocking(UART_PORT, buf, len);
+  return len;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  LPUART_WriteBlocking(UART_PORT, (uint8_t*)buf, len);
+  return len;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler(void)
+{
+  system_ticks++;
+}
+
+uint32_t board_millis(void)
+{
+  return system_ticks;
+}
+#endif
diff --git a/src/device/dcd_attr.h b/src/device/dcd_attr.h
index 7772a6d96..a35fc0ac5 100644
--- a/src/device/dcd_attr.h
+++ b/src/device/dcd_attr.h
@@ -60,7 +60,7 @@
 #elif TU_CHECK_MCU(MIMXRT10XX)
   #define DCD_ATTR_ENDPOINT_MAX   8
 
-#elif TU_CHECK_MCU(MKL25ZXX)
+#elif TU_CHECK_MCU(MKL25ZXX) || TU_CHECK_MCU(K32L2BXX)
   #define DCD_ATTR_ENDPOINT_MAX   16
 
 //------------- Nordic -------------//
diff --git a/src/portable/nxp/khci/dcd_khci.c b/src/portable/nxp/khci/dcd_khci.c
index 519b8fb7b..dce464fd2 100644
--- a/src/portable/nxp/khci/dcd_khci.c
+++ b/src/portable/nxp/khci/dcd_khci.c
@@ -26,7 +26,9 @@
 
 #include "tusb_option.h"
 
-#if TUSB_OPT_DEVICE_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_MKL25ZXX )
+#if TUSB_OPT_DEVICE_ENABLED && ( \
+      ( CFG_TUSB_MCU == OPT_MCU_MKL25ZXX ) || ( CFG_TUSB_MCU == OPT_MCU_K32L2BXX ) \
+    )
 
 #include "fsl_device_registers.h"
 #define KHCI        USB0
diff --git a/src/tusb_option.h b/src/tusb_option.h
index e189c65bb..d551765ae 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -108,6 +108,7 @@
 
 // NXP Kinetis
 #define OPT_MCU_MKL25ZXX         1200 ///< NXP MKL25Zxx
+#define OPT_MCU_K32L2BXX         1201 ///< NXP K32L2Bxx
 
 // Silabs
 #define OPT_MCU_EFM32GG          1300 ///< Silabs EFM32GG