From d2f53c552a2e6ff95aa18cb67bd5fc25fba11d53 Mon Sep 17 00:00:00 2001 From: hathach Date: Mon, 1 Jul 2019 22:57:23 +0700 Subject: [PATCH] added adafruit feather m4 express board --- hw/bsp/feather_m4_express/board.mk | 47 +++++ .../board_feather_m4_express.c | 120 +++++++++++++ hw/bsp/feather_m4_express/samd51g19a_flash.ld | 164 ++++++++++++++++++ .../metro_m4_express/board_metro_m4_express.c | 2 +- 4 files changed, 332 insertions(+), 1 deletion(-) create mode 100644 hw/bsp/feather_m4_express/board.mk create mode 100644 hw/bsp/feather_m4_express/board_feather_m4_express.c create mode 100644 hw/bsp/feather_m4_express/samd51g19a_flash.ld diff --git a/hw/bsp/feather_m4_express/board.mk b/hw/bsp/feather_m4_express/board.mk new file mode 100644 index 000000000..c62d9bc33 --- /dev/null +++ b/hw/bsp/feather_m4_express/board.mk @@ -0,0 +1,47 @@ +CFLAGS += \ + -D__SAMD51J19A__ \ + -mthumb \ + -mabi=aapcs-linux \ + -mcpu=cortex-m4 \ + -mfloat-abi=hard \ + -mfpu=fpv4-sp-d16 \ + -nostdlib -nostartfiles \ + -DCFG_TUSB_MCU=OPT_MCU_SAMD51 + +CFLAGS += -Wno-error=undef + +# All source paths should be relative to the top level. +LD_FILE = hw/bsp/metro_m4_express/samd51g19a_flash.ld + +SRC_C += \ + hw/mcu/microchip/samd/asf4/samd51/gcc/gcc/startup_samd51.c \ + hw/mcu/microchip/samd/asf4/samd51/gcc/system_samd51.c \ + hw/mcu/microchip/samd/asf4/samd51/hpl/gclk/hpl_gclk.c \ + hw/mcu/microchip/samd/asf4/samd51/hpl/mclk/hpl_mclk.c \ + hw/mcu/microchip/samd/asf4/samd51/hpl/osc32kctrl/hpl_osc32kctrl.c \ + hw/mcu/microchip/samd/asf4/samd51/hpl/oscctrl/hpl_oscctrl.c \ + hw/mcu/microchip/samd/asf4/samd51/hal/src/hal_atomic.c + +INC += \ + $(TOP)/hw/mcu/microchip/samd/asf4/samd51/ \ + $(TOP)/hw/mcu/microchip/samd/asf4/samd51/config \ + $(TOP)/hw/mcu/microchip/samd/asf4/samd51/include \ + $(TOP)/hw/mcu/microchip/samd/asf4/samd51/hal/include \ + $(TOP)/hw/mcu/microchip/samd/asf4/samd51/hal/utils/include \ + $(TOP)/hw/mcu/microchip/samd/asf4/samd51/hpl/port \ + $(TOP)/hw/mcu/microchip/samd/asf4/samd51/hri \ + $(TOP)/hw/mcu/microchip/samd/asf4/samd51/CMSIS/Include + +# For TinyUSB port source +VENDOR = microchip +CHIP_FAMILY = samd51 + +# For freeRTOS port source +FREERTOS_PORT = ARM_CM4F + +# For flash-jlink target +JLINK_DEVICE = ATSAMD51J19 +JLINK_IF = swd + +# flash using jlink +flash: flash-jlink diff --git a/hw/bsp/feather_m4_express/board_feather_m4_express.c b/hw/bsp/feather_m4_express/board_feather_m4_express.c new file mode 100644 index 000000000..2261e57b4 --- /dev/null +++ b/hw/bsp/feather_m4_express/board_feather_m4_express.c @@ -0,0 +1,120 @@ +/* + * 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. + */ + +#include "bsp/board.h" + +#include "sam.h" +#include "hal/include/hal_gpio.h" +#include "hal/include/hal_init.h" +#include "hpl/gclk/hpl_gclk_base.h" +#include "hpl_mclk_config.h" + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM DECLARATION +//--------------------------------------------------------------------+ +#define LED_PIN 23 +#define BUTTON_PIN 22 // pin D12 + +/* Referenced GCLKs, should be initialized firstly */ +#define _GCLK_INIT_1ST 0xFFFFFFFF + +/* Not referenced GCLKs, initialized last */ +#define _GCLK_INIT_LAST (~_GCLK_INIT_1ST) + +void board_init(void) +{ + // Clock init ( follow hpl_init.c ) + hri_nvmctrl_set_CTRLA_RWS_bf(NVMCTRL, 0); + + _osc32kctrl_init_sources(); + _oscctrl_init_sources(); + _mclk_init(); +#if _GCLK_INIT_1ST + _gclk_init_generators_by_fref(_GCLK_INIT_1ST); +#endif + _oscctrl_init_referenced_generators(); + _gclk_init_generators_by_fref(_GCLK_INIT_LAST); + + // Led init + gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT); + gpio_set_pin_level(LED_PIN, 0); + + // Button init + gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN); + gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP); + +#if CFG_TUSB_OS == OPT_OS_NONE + // 1ms tick timer (samd SystemCoreClock may not correct) + SysTick_Config(CONF_CPU_FREQUENCY / 1000); +#endif + + /* USB Clock init + * The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock + * for low speed and full speed operation. */ + hri_gclk_write_PCHCTRL_reg(GCLK, USB_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK1_Val | GCLK_PCHCTRL_CHEN); + hri_mclk_set_AHBMASK_USB_bit(MCLK); + hri_mclk_set_APBBMASK_USB_bit(MCLK); + + // USB Pin Init + gpio_set_pin_direction(PIN_PA24, GPIO_DIRECTION_OUT); + gpio_set_pin_level(PIN_PA24, false); + gpio_set_pin_pull_mode(PIN_PA24, GPIO_PULL_OFF); + gpio_set_pin_direction(PIN_PA25, GPIO_DIRECTION_OUT); + gpio_set_pin_level(PIN_PA25, false); + gpio_set_pin_pull_mode(PIN_PA25, GPIO_PULL_OFF); + + gpio_set_pin_function(PIN_PA24, PINMUX_PA24H_USB_DM); + gpio_set_pin_function(PIN_PA25, PINMUX_PA25H_USB_DP); +} + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ + gpio_set_pin_level(LED_PIN, state); +} + +uint32_t board_button_read(void) +{ + // button is active low + return gpio_get_pin_level(BUTTON_PIN) ? 0 : 1; +} + +#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/hw/bsp/feather_m4_express/samd51g19a_flash.ld b/hw/bsp/feather_m4_express/samd51g19a_flash.ld new file mode 100644 index 000000000..cf5db3800 --- /dev/null +++ b/hw/bsp/feather_m4_express/samd51g19a_flash.ld @@ -0,0 +1,164 @@ +/** + * \file + * + * \brief Linker script for running in internal FLASH on the SAMD51G19A + * + * Copyright (c) 2017 Microchip Technology Inc. + * + * \asf_license_start + * + * \page License + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the Licence at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * \asf_license_stop + * + */ + + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00000000 + 16K, LENGTH = 0x00080000 - 16K + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00030000 + bkupram (rwx) : ORIGIN = 0x47000000, LENGTH = 0x00002000 + qspi (rwx) : ORIGIN = 0x04000000, LENGTH = 0x01000000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0xC000; + +/* Section Definitions */ +SECTIONS +{ + .text : + { + . = ALIGN(4); + _sfixed = .; + KEEP(*(.vectors .vectors.*)) + *(.text .text.* .gnu.linkonce.t.*) + *(.glue_7t) *(.glue_7) + *(.rodata .rodata* .gnu.linkonce.r.*) + *(.ARM.extab* .gnu.linkonce.armextab.*) + + /* Support C constructors, and C destructors in both user code + and the C library. This also provides support for C++ code. */ + . = ALIGN(4); + KEEP(*(.init)) + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + + . = ALIGN(4); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*crtend.o(.ctors)) + + . = ALIGN(4); + KEEP(*(.fini)) + + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*crtend.o(.dtors)) + + . = ALIGN(4); + _efixed = .; /* End of text section */ + } > rom + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + PROVIDE_HIDDEN (__exidx_start = .); + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > rom + PROVIDE_HIDDEN (__exidx_end = .); + + . = ALIGN(4); + _etext = .; + + .relocate : AT (_etext) + { + . = ALIGN(4); + _srelocate = .; + *(.ramfunc .ramfunc.*); + *(.data .data.*); + . = ALIGN(4); + _erelocate = .; + } > ram + + .bkupram (NOLOAD): + { + . = ALIGN(8); + _sbkupram = .; + *(.bkupram .bkupram.*); + . = ALIGN(8); + _ebkupram = .; + } > bkupram + + .qspi (NOLOAD): + { + . = ALIGN(8); + _sqspi = .; + *(.qspi .qspi.*); + . = ALIGN(8); + _eqspi = .; + } > qspi + + /* .bss section which is used for uninitialized data */ + .bss (NOLOAD) : + { + . = ALIGN(4); + _sbss = . ; + _szero = .; + *(.bss .bss.*) + *(COMMON) + . = ALIGN(4); + _ebss = . ; + _ezero = .; + end = .; + } > ram + + /* stack section */ + .stack (NOLOAD): + { + . = ALIGN(8); + _sstack = .; + . = . + STACK_SIZE; + . = ALIGN(8); + _estack = .; + } > ram + + . = ALIGN(4); + _end = . ; +} diff --git a/hw/bsp/metro_m4_express/board_metro_m4_express.c b/hw/bsp/metro_m4_express/board_metro_m4_express.c index 7c1b9ace1..2abb44b40 100644 --- a/hw/bsp/metro_m4_express/board_metro_m4_express.c +++ b/hw/bsp/metro_m4_express/board_metro_m4_express.c @@ -36,7 +36,7 @@ // MACRO TYPEDEF CONSTANT ENUM DECLARATION //--------------------------------------------------------------------+ #define LED_PIN 16 -#define BUTTON_PIN (32 + 17) // pin D2 +#define BUTTON_PIN 17 // pin D12 /* Referenced GCLKs, should be initialized firstly */ #define _GCLK_INIT_1ST 0xFFFFFFFF