add support for the QMTech ATMSAME70N19A board

hw/bsp/same70_qmtech/board.mk

@@ -0,0 +1,56 @@
+DEPS_SUBMODULES += hw/mcu/microchip
+
+CFLAGS += \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m7 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib -nostartfiles \
+  -D__SAME70N19B__ \
+  -DCFG_TUSB_MCU=OPT_MCU_SAMX7X
+
+# suppress following warnings from mcu driver
+CFLAGS += -Wno-error=unused-parameter -Wno-error=cast-align
+
+ASF_DIR = hw/mcu/microchip/same70
+
+# All source paths should be relative to the top level.
+LD_FILE = $(ASF_DIR)/same70b/gcc/gcc/same70q21b_flash.ld
+
+SRC_C += \
+	src/portable/microchip/samx7x/dcd_samx7x.c \
+	$(ASF_DIR)/same70b/gcc/gcc/startup_same70q21b.c \
+	$(ASF_DIR)/same70b/gcc/system_same70q21b.c \
+	$(ASF_DIR)/hpl/core/hpl_init.c \
+	$(ASF_DIR)/hpl/usart/hpl_usart.c \
+	$(ASF_DIR)/hpl/pmc/hpl_pmc.c \
+	$(ASF_DIR)/hal/src/hal_usart_async.c \
+	$(ASF_DIR)/hal/src/hal_io.c \
+	$(ASF_DIR)/hal/src/hal_atomic.c \
+	$(ASF_DIR)/hal/utils/src/utils_ringbuffer.c
+
+INC += \
+  $(TOP)/hw/bsp/$(BOARD) \
+	$(TOP)/$(ASF_DIR) \
+	$(TOP)/$(ASF_DIR)/config \
+	$(TOP)/$(ASF_DIR)/same70b/include \
+	$(TOP)/$(ASF_DIR)/hal/include \
+	$(TOP)/$(ASF_DIR)/hal/utils/include \
+	$(TOP)/$(ASF_DIR)/hpl/core \
+	$(TOP)/$(ASF_DIR)/hpl/pio \
+	$(TOP)/$(ASF_DIR)/hpl/pmc \
+	$(TOP)/$(ASF_DIR)/hri \
+	$(TOP)/$(ASF_DIR)/CMSIS/Core/Include
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM7
+
+# For flash-jlink target
+JLINK_DEVICE = SAME70N19B
+
+# flash using edbg from https://github.com/ataradov/edbg
+# Note: SAME70's GPNVM1 must be set to 1 to boot from flash with
+# 	edbg -t same70 -F w0,1,1
+flash: $(BUILD)/$(PROJECT).bin
+	edbg --verbose -t same70 -pv -f $<

hw/bsp/same70_qmtech/hpl_usart_config.h

@@ -0,0 +1,215 @@
+/* Auto-generated config file hpl_usart_config.h */
+#ifndef HPL_USART_CONFIG_H
+#define HPL_USART_CONFIG_H
+
+// <<< Use Configuration Wizard in Context Menu >>>
+
+#include <peripheral_clk_config.h>
+
+#ifndef CONF_USART_1_ENABLE
+#define CONF_USART_1_ENABLE 1
+#endif
+
+// <h> Basic Configuration
+
+// <o> Frame parity
+// <0x0=>Even parity
+// <0x1=>Odd parity
+// <0x2=>Parity forced to 0
+// <0x3=>Parity forced to 1
+// <0x4=>No parity
+// <i> Parity bit mode for USART frame
+// <id> usart_parity
+#ifndef CONF_USART_1_PARITY
+#define CONF_USART_1_PARITY 0x4
+#endif
+
+// <o> Character Size
+// <0x0=>5 bits
+// <0x1=>6 bits
+// <0x2=>7 bits
+// <0x3=>8 bits
+// <i> Data character size in USART frame
+// <id> usart_character_size
+#ifndef CONF_USART_1_CHSIZE
+#define CONF_USART_1_CHSIZE 0x3
+#endif
+
+// <o> Stop Bit
+// <0=>1 stop bit
+// <1=>1.5 stop bits
+// <2=>2 stop bits
+// <i> Number of stop bits in USART frame
+// <id> usart_stop_bit
+#ifndef CONF_USART_1_SBMODE
+#define CONF_USART_1_SBMODE 0
+#endif
+
+// <o> Clock Output Select
+// <0=>The USART does not drive the SCK pin
+// <1=>The USART drives the SCK pin if USCLKS does not select the external clock SCK
+// <i> Clock Output Select in USART sck, if in usrt master mode, please drive SCK.
+// <id> usart_clock_output_select
+#ifndef CONF_USART_1_CLKO
+#define CONF_USART_1_CLKO 0
+#endif
+
+// <o> Baud rate <1-3000000>
+// <i> USART baud rate setting
+// <id> usart_baud_rate
+#ifndef CONF_USART_1_BAUD
+#define CONF_USART_1_BAUD 9600
+#endif
+
+// </h>
+
+// <e> Advanced configuration
+// <id> usart_advanced
+#ifndef CONF_USART_1_ADVANCED_CONFIG
+#define CONF_USART_1_ADVANCED_CONFIG 0
+#endif
+
+// <o> Channel Mode
+// <0=>Normal Mode
+// <1=>Automatic Echo
+// <2=>Local Loopback
+// <3=>Remote Loopback
+// <i> Channel mode in USART frame
+// <id> usart_channel_mode
+#ifndef CONF_USART_1_CHMODE
+#define CONF_USART_1_CHMODE 0
+#endif
+
+// <q> 9 bits character enable
+// <i> Enable 9 bits character, this has high priority than 5/6/7/8 bits.
+// <id> usart_9bits_enable
+#ifndef CONF_USART_1_MODE9
+#define CONF_USART_1_MODE9 0
+#endif
+
+// <o> Variable Sync
+// <0=>User defined configuration
+// <1=>sync field is updated when a character is written into US_THR
+// <i> Variable Synchronization of Command/Data Sync Start Frarm Delimiter
+// <id> variable_sync
+#ifndef CONF_USART_1_VAR_SYNC
+#define CONF_USART_1_VAR_SYNC 0
+#endif
+
+// <o> Oversampling Mode
+// <0=>16 Oversampling
+// <1=>8 Oversampling
+// <i> Oversampling Mode in UART mode
+// <id> usart__oversampling_mode
+#ifndef CONF_USART_1_OVER
+#define CONF_USART_1_OVER 0
+#endif
+
+// <o> Inhibit Non Ack
+// <0=>The NACK is generated
+// <1=>The NACK is not generated
+// <i> Inhibit Non Acknowledge
+// <id> usart__inack
+#ifndef CONF_USART_1_INACK
+#define CONF_USART_1_INACK 1
+#endif
+
+// <o> Disable Successive NACK
+// <0=>NACK is sent on the ISO line as soon as a parity error occurs
+// <1=>Many parity errors generate a NACK on the ISO line
+// <i> Disable Successive NACK
+// <id> usart_dsnack
+#ifndef CONF_USART_1_DSNACK
+#define CONF_USART_1_DSNACK 0
+#endif
+
+// <o> Inverted Data
+// <0=>Data isn't inverted, nomal mode
+// <1=>Data is inverted
+// <i> Inverted Data
+// <id> usart_invdata
+#ifndef CONF_USART_1_INVDATA
+#define CONF_USART_1_INVDATA 0
+#endif
+
+// <o> Maximum Number of Automatic Iteration <0-7>
+// <i> Defines the maximum number of iterations in mode ISO7816, protocol T = 0.
+// <id> usart_max_iteration
+#ifndef CONF_USART_1_MAX_ITERATION
+#define CONF_USART_1_MAX_ITERATION 0
+#endif
+
+// <q> Receive Line Filter enable
+// <i> whether the USART filters the receive line using a three-sample filter
+// <id> usart_receive_filter_enable
+#ifndef CONF_USART_1_FILTER
+#define CONF_USART_1_FILTER 0
+#endif
+
+// <q> Manchester Encoder/Decoder Enable
+// <i> whether the USART Manchester Encoder/Decoder
+// <id> usart_manchester_filter_enable
+#ifndef CONF_USART_1_MAN
+#define CONF_USART_1_MAN 0
+#endif
+
+// <o> Manchester Synchronization Mode
+// <0=>The Manchester start bit is a 0 to 1 transition
+// <1=>The Manchester start bit is a 1 to 0 transition
+// <i> Manchester Synchronization Mode
+// <id> usart_manchester_synchronization_mode
+#ifndef CONF_USART_1_MODSYNC
+#define CONF_USART_1_MODSYNC 0
+#endif
+
+// <o> Start Frame Delimiter Selector
+// <0=>Start frame delimiter is COMMAND or DATA SYNC
+// <1=>Start frame delimiter is one bit
+// <i> Start Frame Delimiter Selector
+// <id> usart_start_frame_delimiter
+#ifndef CONF_USART_1_ONEBIT
+#define CONF_USART_1_ONEBIT 0
+#endif
+
+// <o> Fractional Part <0-7>
+// <i> Fractional part of the baud rate if baud rate generator is in fractional mode
+// <id> usart_arch_fractional
+#ifndef CONF_USART_1_FRACTIONAL
+#define CONF_USART_1_FRACTIONAL 0x0
+#endif
+
+// <o> Data Order
+// <0=>LSB is transmitted first
+// <1=>MSB is transmitted first
+// <i> Data order of the data bits in the frame
+// <id> usart_arch_msbf
+#ifndef CONF_USART_1_MSBF
+#define CONF_USART_1_MSBF 0
+#endif
+
+// </e>
+
+#define CONF_USART_1_MODE 0x0
+
+// Calculate BAUD register value in UART mode
+#if CONF_USART1_CK_SRC < 3
+#ifndef CONF_USART_1_BAUD_CD
+#define CONF_USART_1_BAUD_CD ((CONF_USART1_FREQUENCY) / CONF_USART_1_BAUD / 8 / (2 - CONF_USART_1_OVER))
+#endif
+#ifndef CONF_USART_1_BAUD_FP
+#define CONF_USART_1_BAUD_FP                                                                                           \
+	((CONF_USART1_FREQUENCY) / CONF_USART_1_BAUD / (2 - CONF_USART_1_OVER) - 8 * CONF_USART_1_BAUD_CD)
+#endif
+#elif CONF_USART1_CK_SRC == 3
+// No division is active. The value written in US_BRGR has no effect.
+#ifndef CONF_USART_1_BAUD_CD
+#define CONF_USART_1_BAUD_CD 1
+#endif
+#ifndef CONF_USART_1_BAUD_FP
+#define CONF_USART_1_BAUD_FP 1
+#endif
+#endif
+
+// <<< end of configuration section >>>
+
+#endif // HPL_USART_CONFIG_H

hw/bsp/same70_qmtech/peripheral_clk_config.h

@@ -0,0 +1,126 @@
+/* Auto-generated config file peripheral_clk_config.h */
+#ifndef PERIPHERAL_CLK_CONFIG_H
+#define PERIPHERAL_CLK_CONFIG_H
+
+// <<< Use Configuration Wizard in Context Menu >>>
+
+/**
+ * \def CONF_HCLK_FREQUENCY
+ * \brief HCLK's Clock frequency
+ */
+#ifndef CONF_HCLK_FREQUENCY
+#define CONF_HCLK_FREQUENCY 300000000
+#endif
+
+/**
+ * \def CONF_FCLK_FREQUENCY
+ * \brief FCLK's Clock frequency
+ */
+#ifndef CONF_FCLK_FREQUENCY
+#define CONF_FCLK_FREQUENCY 300000000
+#endif
+
+/**
+ * \def CONF_CPU_FREQUENCY
+ * \brief CPU's Clock frequency
+ */
+#ifndef CONF_CPU_FREQUENCY
+#define CONF_CPU_FREQUENCY 300000000
+#endif
+
+/**
+ * \def CONF_SLCK_FREQUENCY
+ * \brief Slow Clock frequency
+ */
+#define CONF_SLCK_FREQUENCY 0
+
+/**
+ * \def CONF_MCK_FREQUENCY
+ * \brief Master Clock frequency
+ */
+#define CONF_MCK_FREQUENCY 150000000
+
+/**
+ * \def CONF_PCK6_FREQUENCY
+ * \brief Programmable Clock Controller 6 frequency
+ */
+#define CONF_PCK6_FREQUENCY 1714285
+
+// <h> USART Clock Settings
+// <o> USART Clock source
+
+// <0=> Master Clock (MCK)
+// <1=> MCK / 8 for USART
+// <2=> Programmable Clock Controller 4 (PMC_PCK4)
+// <3=> External Clock
+// <i> This defines the clock source for the USART
+// <id> usart_clock_source
+#ifndef CONF_USART1_CK_SRC
+#define CONF_USART1_CK_SRC 0
+#endif
+
+// <o> USART External Clock Input on SCK <1-4294967295>
+// <i> Inputs the external clock frequency on SCK
+// <id> usart_clock_freq
+#ifndef CONF_USART1_SCK_FREQ
+#define CONF_USART1_SCK_FREQ 10000000
+#endif
+
+// </h>
+
+/**
+ * \def USART FREQUENCY
+ * \brief USART's Clock frequency
+ */
+#ifndef CONF_USART1_FREQUENCY
+#define CONF_USART1_FREQUENCY 150000000
+#endif
+
+#ifndef CONF_SRC_USB_480M
+#define CONF_SRC_USB_480M 0
+#endif
+
+#ifndef CONF_SRC_USB_48M
+#define CONF_SRC_USB_48M 1
+#endif
+
+// <y> USB Full/Low Speed Clock
+// <CONF_SRC_USB_48M"> USB Clock Controller (USB_48M)
+// <id> usb_fsls_clock_source
+// <i> 48MHz clock source for low speed and full speed.
+// <i> It must be available when low speed is supported by host driver.
+// <i> It must be available when low power mode is selected.
+#ifndef CONF_USBHS_FSLS_SRC
+#define CONF_USBHS_FSLS_SRC CONF_SRC_USB_48M
+#endif
+
+// <y> USB Clock Source(Normal/Low-power Mode Selection)
+// <CONF_SRC_USB_480M"> USB High Speed Clock (USB_480M)
+// <CONF_SRC_USB_48M"> USB Clock Controller (USB_48M)
+// <id> usb_clock_source
+// <i> Select the clock source for USB.
+// <i> In normal mode, use "USB High Speed Clock (USB_480M)".
+// <i> In low-power mode, use "USB Clock Controller (USB_48M)".
+#ifndef CONF_USBHS_SRC
+#define CONF_USBHS_SRC CONF_SRC_USB_480M
+#endif
+
+/**
+ * \def CONF_USBHS_FSLS_FREQUENCY
+ * \brief USBHS's Full/Low Speed Clock Source frequency
+ */
+#ifndef CONF_USBHS_FSLS_FREQUENCY
+#define CONF_USBHS_FSLS_FREQUENCY 48000000
+#endif
+
+/**
+ * \def CONF_USBHS_FREQUENCY
+ * \brief USBHS's Selected Clock Source frequency
+ */
+#ifndef CONF_USBHS_FREQUENCY
+#define CONF_USBHS_FREQUENCY 480000000
+#endif
+
+// <<< end of configuration section >>>
+
+#endif // PERIPHERAL_CLK_CONFIG_H

hw/bsp/same70_qmtech/same70_qmtech.c

@@ -0,0 +1,159 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019, hathach (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.
+ *
+ */
+
+#include "sam.h"
+#include "bsp/board.h"
+
+#include "peripheral_clk_config.h"
+#include "hpl/usart/hpl_usart_base.h"
+#include "hpl/pmc/hpl_pmc.h"
+#include "hal/include/hal_init.h"
+#include "hal/include/hal_usart_async.h"
+#include "hal/include/hal_gpio.h"
+
+
+// You can get the board here:
+// https://www.aliexpress.com/item/1005003173783268.html
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+//--------------------------------------------------------------------+
+
+#define LED_PIN               GPIO(GPIO_PORTA, 15)
+
+#define BUTTON_PIN            GPIO(GPIO_PORTA, 21)
+#define BUTTON_STATE_ACTIVE   0
+
+#define UART_TX_PIN           GPIO(GPIO_PORTB, 1)
+#define UART_RX_PIN           GPIO(GPIO_PORTB, 0)
+
+static struct usart_async_descriptor edbg_com;
+static uint8_t edbg_com_buffer[64];
+static volatile bool uart_busy = false;
+
+static void tx_cb_EDBG_COM(const struct usart_async_descriptor *const io_descr)
+{
+  (void) io_descr;
+  uart_busy = false;
+}
+
+//------------- IMPLEMENTATION -------------//
+void board_init(void)
+{
+  init_mcu();
+
+  /* Disable Watchdog */
+  hri_wdt_set_MR_WDDIS_bit(WDT);
+
+  // LED
+  _pmc_enable_periph_clock(ID_PIOB);
+  gpio_set_pin_level(LED_PIN, false);
+  gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
+  gpio_set_pin_function(LED_PIN, GPIO_PIN_FUNCTION_OFF);
+
+  // Button
+  _pmc_enable_periph_clock(ID_PIOA);
+  gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
+  gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
+  gpio_set_pin_function(BUTTON_PIN, GPIO_PIN_FUNCTION_OFF);
+
+  // Uart via EDBG Com
+  _pmc_enable_periph_clock(ID_USART1);
+  gpio_set_pin_function(UART_RX_PIN, MUX_PA21A_USART1_RXD1);
+  gpio_set_pin_function(UART_TX_PIN, MUX_PB4D_USART1_TXD1);
+
+  usart_async_init(&edbg_com, USART1, edbg_com_buffer, sizeof(edbg_com_buffer), _usart_get_usart_async());
+  usart_async_set_baud_rate(&edbg_com, CFG_BOARD_UART_BAUDRATE);
+  usart_async_register_callback(&edbg_com, USART_ASYNC_TXC_CB, tx_cb_EDBG_COM);
+  usart_async_enable(&edbg_com);
+
+#if CFG_TUSB_OS  == OPT_OS_NONE
+  // 1ms tick timer (samd SystemCoreClock may not correct)
+  SysTick_Config(CONF_CPU_FREQUENCY / 1000);
+#endif
+
+  // Enable USB clock
+  _pmc_enable_periph_clock(ID_USBHS);
+
+}
+
+//--------------------------------------------------------------------+
+// USB Interrupt Handler
+//--------------------------------------------------------------------+
+void USBHS_Handler(void)
+{
+  tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  gpio_set_pin_level(LED_PIN, state);
+}
+
+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)
+{
+  // while until previous transfer is complete
+  while(uart_busy) {}
+  uart_busy = true;
+
+  io_write(&edbg_com.io, 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
+
+// Required by __libc_init_array in startup code if we are compiling using
+// -nostdlib/-nostartfiles.
+void _init(void)
+{
+
+}