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add BSP for SAMD11 variant of Great Scott Gadgets' LUNA boards (SAMD11)

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This commit is contained in:
Katherine Temkin
2021-02-03 13:33:40 -07:00
parent 148a5a9181
commit 6f02e5f1f8
8 changed files with 267 additions and 18 deletions
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46
hw/bsp/samd11/boards/luna_d11/board.h Normal file
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/*
* The MIT License (MIT)
*
* Copyright (c) 2020, 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
// LED
#define LED_PIN PIN_PA27 // pin PA22
#define LED_STATE_ON 0
// Button
#define BUTTON_PIN PIN_PA16 // pin PB22
#define BUTTON_STATE_ACTIVE 0
#ifdef __cplusplus
}
#endif
#endif /* BOARD_H_ */

11
hw/bsp/samd11/boards/luna_d11/board.mk Normal file
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CFLAGS += -D__SAMD11D14AM__
# All source paths should be relative to the top level.
LD_FILE = $(BOARD_PATH)/samd11d14am_flash.ld
# For flash-jlink target
JLINK_DEVICE = ATSAMD11D14
# flash using dfu-util
flash: $(BUILD)/$(PROJECT).bin
dfu-util -a 0 -d 1d50:615c -D $< || dfu-util -a 0 -d 16d0:05a5 -D $<

143
hw/bsp/samd11/boards/luna_d11/samd11d14am_flash.ld Normal file
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/**
* \file
*
* \brief Linker script for running in internal FLASH on the SAMD11D14AM
*
* Copyright (c) 2018 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 + 4K, LENGTH = 0x00004000 - 4K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00001000
}
/* 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__ : 0x400;
/* 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
/* .bss section which is used for uninitialized data */
.bss (NOLOAD) :
{
. = ALIGN(4);
_sbss = . ;
_szero = .;
*(.bss .bss.*)
*(COMMON)
. = ALIGN(4);
_ebss = . ;
_ezero = .;
} > ram
/* stack section */
.stack (NOLOAD):
{
. = ALIGN(8);
_sstack = .;
. = . + STACK_SIZE;
. = ALIGN(8);
_estack = .;
} > ram
. = ALIGN(4);
_end = . ;
}

46
hw/bsp/samd11/boards/samd11_xplained/board.h Normal file
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/*
* The MIT License (MIT)
*
* Copyright (c) 2020, 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
// LED
#define LED_PIN PIN_PA16 // pin PA22
#define LED_STATE_ON 0
// Button
#define BUTTON_PIN PIN_PA14 // pin PB22
#define BUTTON_STATE_ACTIVE 0
#ifdef __cplusplus
}
#endif
#endif /* BOARD_H_ */

12
hw/bsp/samd11/boards/samd11_xplained/board.mk Normal file
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CFLAGS += -D__SAMD11D14AM__
# All source paths should be relative to the top level.
LD_FILE = $(BOARD_PATH)/samd11d14am_flash.ld
# For flash-jlink target
JLINK_DEVICE = ATSAMD11D14
# flash using edbg
flash: $(BUILD)/$(PROJECT).bin
edbg -b -t samd11 -e -pv -f $<

143
hw/bsp/samd11/boards/samd11_xplained/samd11d14am_flash.ld Normal file
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@@ -0,0 +1,143 @@
/**
* \file
*
* \brief Linker script for running in internal FLASH on the SAMD11D14AM
*
* Copyright (c) 2018 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, LENGTH = 0x00004000
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00001000
}
/* 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__ : 0x400;
/* 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
/* .bss section which is used for uninitialized data */
.bss (NOLOAD) :
{
. = ALIGN(4);
_sbss = . ;
_szero = .;
*(.bss .bss.*)
*(COMMON)
. = ALIGN(4);
_ebss = . ;
_ezero = .;
} > ram
/* stack section */
.stack (NOLOAD):
{
. = ALIGN(8);
_sstack = .;
. = . + STACK_SIZE;
. = ALIGN(8);
_estack = .;
} > ram
. = ALIGN(4);
_end = . ;
}

150
hw/bsp/samd11/family.c Normal file
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@@ -0,0 +1,150 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2020 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 "sam.h"
#include "bsp/board.h"
#include "board.h"
#include "hal/include/hal_gpio.h"
#include "hal/include/hal_init.h"
#include "hri/hri_nvmctrl_d11.h"
#include "hpl/gclk/hpl_gclk_base.h"
#include "hpl_pm_config.h"
#include "hpl/pm/hpl_pm_base.h"
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
void USB_Handler(void)
{
tud_int_handler(0);
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
//--------------------------------------------------------------------+
/* Referenced GCLKs, should be initialized firstly */
#define _GCLK_INIT_1ST (1 << 0 | 1 << 1)
/* 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_CTRLB_RWS_bf(NVMCTRL, 2);
_pm_init();
_sysctrl_init_sources();
#if _GCLK_INIT_1ST
_gclk_init_generators_by_fref(_GCLK_INIT_1ST);
#endif
_sysctrl_init_referenced_generators();
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
// 1ms tick timer (samd SystemCoreClock may not correct)
SystemCoreClock = CONF_CPU_FREQUENCY;
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
// 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);
/* USB Clock init
* The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock
* for low speed and full speed operation. */
_pm_enable_bus_clock(PM_BUS_APBB, USB);
_pm_enable_bus_clock(PM_BUS_AHB, USB);
_gclk_enable_channel(USB_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val);
// 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_PA24G_USB_DM);
gpio_set_pin_function(PIN_PA25, PINMUX_PA25G_USB_DP);
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state)
{
gpio_set_pin_level(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
}
uint32_t board_button_read(void)
{
return BUTTON_STATE_ACTIVE == gpio_get_pin_level(BUTTON_PIN);
}
int board_uart_read(uint8_t* buf, int len)
{
(void) buf; (void) len;
return 0;
}
int board_uart_write(void const * buf, int len)
{
(void) buf; (void) len;
return 0;
}
#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;
}
void _init(void)
{
// This _init() standin makes certain GCC environments happier.
// They expect the main binary to have a constructor called _init; but don't provide a weak default.
// Providing an empty constructor satisfies this odd case, and doesn't harm anything.
}
#endif

39
hw/bsp/samd11/family.mk Normal file
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@@ -0,0 +1,39 @@
include $(TOP)/$(BOARD_PATH)/board.mk
CFLAGS += \
-mthumb \
-mabi=aapcs-linux \
-mcpu=cortex-m0plus \
-nostdlib -nostartfiles \
-DCONF_DFLL_OVERWRITE_CALIBRATION=0 \
-DOSC32K_OVERWRITE_CALIBRATION=0 \
-DCFG_TUSB_MCU=OPT_MCU_SAMD11
SRC_C += \
hw/mcu/microchip/samd11/gcc/gcc/startup_samd11.c \
hw/mcu/microchip/samd11/gcc/system_samd11.c \
hw/mcu/microchip/samd11/hpl/gclk/hpl_gclk.c \
hw/mcu/microchip/samd11/hpl/pm/hpl_pm.c \
hw/mcu/microchip/samd11/hpl/sysctrl/hpl_sysctrl.c \
hw/mcu/microchip/samd11/hal/src/hal_atomic.c
INC += \
$(TOP)/$(BOARD_PATH) \
$(TOP)/hw/mcu/microchip/samd11/ \
$(TOP)/hw/mcu/microchip/samd11/config \
$(TOP)/hw/mcu/microchip/samd11/include \
$(TOP)/hw/mcu/microchip/samd11/hal/include \
$(TOP)/hw/mcu/microchip/samd11/hal/utils/include \
$(TOP)/hw/mcu/microchip/samd11/hpl/pm/ \
$(TOP)/hw/mcu/microchip/samd11/hpl/port \
$(TOP)/hw/mcu/microchip/samd11/hri \
$(TOP)/hw/mcu/microchip/samd11/CMSIS/Include \
$(TOP)/hw/mcu/microchip/samd11/CMSIS/Core/Include
# For TinyUSB port source
VENDOR = microchip
CHIP_FAMILY = samd
# For freeRTOS port source
FREERTOS_PORT = ARM_CM0