Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/hw/bsp/kuiic/K32L2B31xxxxA_flash.ld b/hw/bsp/kuiic/K32L2B31xxxxA_flash.ld
new file mode 100644
index 0000000..5420ffc
--- /dev/null
+++ b/hw/bsp/kuiic/K32L2B31xxxxA_flash.ld
@@ -0,0 +1,217 @@
+/*
+** ###################################################################
+** Processors: K32L2B31VFM0A
+** K32L2B31VFT0A
+** K32L2B31VLH0A
+** K32L2B31VMP0A
+**
+** Compiler: GNU C Compiler
+** Reference manual: K32L2B3xRM, Rev.0, July 2019
+** Version: rev. 1.0, 2019-07-30
+** Build: b190930
+**
+** Abstract:
+** Linker file for the GNU C Compiler
+**
+** Copyright 2016 Freescale Semiconductor, Inc.
+** Copyright 2016-2019 NXP
+** All rights reserved.
+**
+** SPDX-License-Identifier: BSD-3-Clause
+**
+** http: www.nxp.com
+** mail: support@nxp.com
+**
+** ###################################################################
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+HEAP_SIZE = DEFINED(__heap_size__) ? __heap_size__ : 0x0400;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
+
+/* Specify the memory areas */
+MEMORY
+{
+ m_interrupts (RX) : ORIGIN = 0x00008000, LENGTH = 0x00000200
+ m_flash_config (RX) : ORIGIN = 0x00008400, LENGTH = 0x00000010
+ m_text (RX) : ORIGIN = 0x00008410, LENGTH = 0x00037BF0
+ m_data (RW) : ORIGIN = 0x1FFFE000, LENGTH = 0x00008000
+}
+
+/* Define output sections */
+SECTIONS
+{
+ /* The startup code goes first into internal flash */
+ .interrupts :
+ {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+ . = ALIGN(4);
+ } > m_interrupts
+
+ .flash_config :
+ {
+ . = ALIGN(4);
+ KEEP(*(.FlashConfig)) /* Flash Configuration Field (FCF) */
+ . = ALIGN(4);
+ } > m_flash_config
+
+ /* The program code and other data goes into internal flash */
+ .text :
+ {
+ . = ALIGN(4);
+ *(.text) /* .text sections (code) */
+ *(.text*) /* .text* sections (code) */
+ *(.rodata) /* .rodata sections (constants, strings, etc.) */
+ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
+ *(.glue_7) /* glue arm to thumb code */
+ *(.glue_7t) /* glue thumb to arm code */
+ *(.eh_frame)
+ KEEP (*(.init))
+ KEEP (*(.fini))
+ . = ALIGN(4);
+ } > m_text
+
+ .ARM.extab :
+ {
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ } > m_text
+
+ .ARM :
+ {
+ __exidx_start = .;
+ *(.ARM.exidx*)
+ __exidx_end = .;
+ } > m_text
+
+ .ctors :
+ {
+ __CTOR_LIST__ = .;
+ /* gcc uses crtbegin.o to find the start of
+ the constructors, so we make sure it is
+ first. Because this is a wildcard, it
+ doesn't matter if the user does not
+ actually link against crtbegin.o; the
+ linker won't look for a file to match a
+ wildcard. The wildcard also means that it
+ doesn't matter which directory crtbegin.o
+ is in. */
+ KEEP (*crtbegin.o(.ctors))
+ KEEP (*crtbegin?.o(.ctors))
+ /* We don't want to include the .ctor section from
+ from the crtend.o file until after the sorted ctors.
+ The .ctor section from the crtend file contains the
+ end of ctors marker and it must be last */
+ KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*(.ctors))
+ __CTOR_END__ = .;
+ } > m_text
+
+ .dtors :
+ {
+ __DTOR_LIST__ = .;
+ KEEP (*crtbegin.o(.dtors))
+ KEEP (*crtbegin?.o(.dtors))
+ KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*(.dtors))
+ __DTOR_END__ = .;
+ } > m_text
+
+ .preinit_array :
+ {
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array*))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ } > m_text
+
+ .init_array :
+ {
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array*))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ } > m_text
+
+ .fini_array :
+ {
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(SORT(.fini_array.*)))
+ KEEP (*(.fini_array*))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ } > m_text
+
+ __etext = .; /* define a global symbol at end of code */
+ __DATA_ROM = .; /* Symbol is used by startup for data initialization */
+
+ /* reserve MTB memory at the beginning of m_data */
+ .mtb : /* MTB buffer address as defined by the hardware */
+ {
+ . = ALIGN(8);
+ _mtb_start = .;
+ KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */
+ . = ALIGN(8);
+ _mtb_end = .;
+ } > m_data
+
+ .data : AT(__DATA_ROM)
+ {
+ . = ALIGN(4);
+ __DATA_RAM = .;
+ __data_start__ = .; /* create a global symbol at data start */
+ *(.data) /* .data sections */
+ *(.data*) /* .data* sections */
+ KEEP(*(.jcr*))
+ . = ALIGN(4);
+ __data_end__ = .; /* define a global symbol at data end */
+ } > m_data
+
+ __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
+ text_end = ORIGIN(m_text) + LENGTH(m_text);
+ ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
+
+ /* Uninitialized data section */
+ .bss :
+ {
+ /* This is used by the startup in order to initialize the .bss section */
+ . = ALIGN(4);
+ __START_BSS = .;
+ __bss_start__ = .;
+ *(.bss)
+ *(.bss*)
+ *(COMMON)
+ . = ALIGN(4);
+ __bss_end__ = .;
+ __END_BSS = .;
+ } > m_data
+
+ .heap :
+ {
+ . = ALIGN(8);
+ __end__ = .;
+ PROVIDE(end = .);
+ __HeapBase = .;
+ . += HEAP_SIZE;
+ __HeapLimit = .;
+ __heap_limit = .; /* Add for _sbrk */
+ } > m_data
+
+ .stack :
+ {
+ . = ALIGN(8);
+ . += STACK_SIZE;
+ } > m_data
+
+ /* Initializes stack on the end of block */
+ __StackTop = ORIGIN(m_data) + LENGTH(m_data);
+ __StackLimit = __StackTop - STACK_SIZE;
+ PROVIDE(__stack = __StackTop);
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+
+ ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
+}
+
diff --git a/hw/bsp/kuiic/board.h b/hw/bsp/kuiic/board.h
new file mode 100644
index 0000000..78ad83a
--- /dev/null
+++ b/hw/bsp/kuiic/board.h
@@ -0,0 +1,45 @@
+/*
+ * 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_PIN_CLOCK kCLOCK_PortA
+#define LED_GPIO GPIOA
+#define LED_PORT PORTA
+#define LED_PIN 2
+#define LED_STATE_ON 1
+
+// UART
+#define UART_PORT LPUART1
+#define UART_PIN_RX 3u
+#define UART_PIN_TX 0u
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/kuiic/board.mk b/hw/bsp/kuiic/board.mk
new file mode 100644
index 0000000..39e9d9d
--- /dev/null
+++ b/hw/bsp/kuiic/board.mk
@@ -0,0 +1,52 @@
+SDK_DIR = hw/mcu/nxp/mcux-sdk
+DEPS_SUBMODULES += $(SDK_DIR) tools/uf2
+
+# This board uses TinyUF2 for updates
+UF2_FAMILY_ID = 0x7f83e793
+
+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 = $(SDK_DIR)/devices/K32L2B31A
+
+# All source paths should be relative to the top level.
+LD_FILE = /hw/bsp/$(BOARD)/K32L2B31xxxxA_flash.ld
+
+SRC_C += \
+ src/portable/nxp/khci/dcd_khci.c \
+ $(MCU_DIR)/system_K32L2B31A.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
+
+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/kuiic/kuiic.c b/hw/bsp/kuiic/kuiic.c
new file mode 100644
index 0000000..737ef3f
--- /dev/null
+++ b/hw/bsp/kuiic/kuiic.c
@@ -0,0 +1,203 @@
+/*
+ * 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_smc.h"
+#include "fsl_gpio.h"
+#include "fsl_port.h"
+#include "fsl_clock.h"
+#include "fsl_lpuart.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+#define SIM_OSC32KSEL_LPO_CLK 3U /*!< OSC32KSEL select: LPO clock */
+#define SOPT5_LPUART1RXSRC_LPUART_RX 0x00u /*!<@brief LPUART1 Receive Data Source Select: LPUART_RX pin */
+#define SOPT5_LPUART1TXSRC_LPUART_TX 0x00u /*!<@brief LPUART1 Transmit Data Source Select: LPUART_TX pin */
+#define BOARD_BOOTCLOCKRUN_CORE_CLOCK 48000000U /*!< Core clock frequency: 48000000Hz */
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+/* System clock frequency. */
+extern uint32_t SystemCoreClock;
+
+/*******************************************************************************
+ * Variables for BOARD_BootClockRUN configuration
+ ******************************************************************************/
+const mcglite_config_t mcgliteConfig_BOARD_BootClockRUN = {
+ .outSrc = kMCGLITE_ClkSrcHirc, /* MCGOUTCLK source is HIRC */
+ .irclkEnableMode = kMCGLITE_IrclkEnable, /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
+ .ircs = kMCGLITE_Lirc8M, /* Slow internal reference (LIRC) 8 MHz clock selected */
+ .fcrdiv = kMCGLITE_LircDivBy1, /* Low-frequency Internal Reference Clock Divider: divided by 1 */
+ .lircDiv2 = kMCGLITE_LircDivBy1, /* Second Low-frequency Internal Reference Clock Divider: divided by 1 */
+ .hircEnableInNotHircMode = true, /* HIRC source is enabled */
+};
+const sim_clock_config_t simConfig_BOARD_BootClockRUN = {
+ .er32kSrc = SIM_OSC32KSEL_LPO_CLK, /* OSC32KSEL select: LPO clock */
+ .clkdiv1 = 0x10000U, /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV4: /2 */
+};
+
+/*******************************************************************************
+ * Code for BOARD_BootClockRUN configuration
+ ******************************************************************************/
+void BOARD_BootClockRUN(void)
+{
+ /* Set the system clock dividers in SIM to safe value. */
+ CLOCK_SetSimSafeDivs();
+ /* Set MCG to HIRC mode. */
+ CLOCK_SetMcgliteConfig(&mcgliteConfig_BOARD_BootClockRUN);
+ /* Set the clock configuration in SIM module. */
+ CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN);
+ /* Set SystemCoreClock variable. */
+ SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
+}
+
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB0_IRQHandler(void)
+{
+ tud_int_handler(0);
+}
+
+void board_init(void)
+{
+ /* Enable port clocks for GPIO pins */
+ CLOCK_EnableClock(kCLOCK_PortA);
+ CLOCK_EnableClock(kCLOCK_PortB);
+ CLOCK_EnableClock(kCLOCK_PortC);
+ CLOCK_EnableClock(kCLOCK_PortD);
+ CLOCK_EnableClock(kCLOCK_PortE);
+
+
+ gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 1 };
+ GPIO_PinInit(GPIOA, 1U, &led_config);
+ PORT_SetPinMux(PORTA, 1U, kPORT_MuxAsGpio);
+ led_config.outputLogic = 0;
+ GPIO_PinInit(GPIOA, 2U, &led_config);
+ PORT_SetPinMux(PORTA, 2U, kPORT_MuxAsGpio);
+
+#ifdef BUTTON_PIN
+ 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);
+#endif
+
+ /* PORTC3 is configured as LPUART0_RX */
+ PORT_SetPinMux(PORTC, 3U, kPORT_MuxAlt3);
+ /* PORTA2 (pin 24) is configured as LPUART0_TX */
+ PORT_SetPinMux(PORTE, 0U, kPORT_MuxAlt3);
+
+ SIM->SOPT5 = ((SIM->SOPT5 &
+ /* Mask bits to zero which are setting */
+ (~(SIM_SOPT5_LPUART1TXSRC_MASK | SIM_SOPT5_LPUART1RXSRC_MASK)))
+ /* LPUART0 Transmit Data Source Select: LPUART0_TX pin. */
+ | SIM_SOPT5_LPUART1TXSRC(SOPT5_LPUART1TXSRC_LPUART_TX)
+ /* LPUART0 Receive Data Source Select: LPUART_RX pin. */
+ | SIM_SOPT5_LPUART1RXSRC(SOPT5_LPUART1RXSRC_LPUART_RX));
+
+ BOARD_BootClockRUN();
+ SystemCoreClockUpdate();
+ CLOCK_SetLpuart1Clock(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
+ CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, 48000000U);
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+ if (state) {
+ LED_GPIO->PDDR |= GPIO_FIT_REG((1UL << LED_PIN));
+ } else {
+ LED_GPIO->PDDR &= GPIO_FIT_REG(~(1UL << LED_PIN));
+ }
+// GPIO_PinWrite(GPIOA, 1, state ? LED_STATE_ON : (1-LED_STATE_ON) );
+// GPIO_PinWrite(GPIOA, 2, state ? (1-LED_STATE_ON) : LED_STATE_ON );
+}
+
+uint32_t board_button_read(void)
+{
+#ifdef BUTTON_PIN
+ return BUTTON_STATE_ACTIVE == GPIO_PinRead(BUTTON_GPIO, BUTTON_PIN);
+#else
+ return 0;
+#endif
+}
+
+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 const*) 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