Merge pull request arduino#259 from adafruit/matrixportal

Matrix portal draft

Author: ladyada

boards.txt

@@ -1321,6 +1321,70 @@ adafruit_hallowing_m4.menu.debug.off=Off
 adafruit_hallowing_m4.menu.debug.on=On
 adafruit_hallowing_m4.menu.debug.on.build.flags.debug=-g
 
+# Adafruit Matrix Portal M4 (SAMD51)
+# ------------------------------
+adafruit_matrixportal_m4.name=Adafruit Matrix Portal M4 (SAMD51)
+adafruit_matrixportal_m4.vid.0=0x239A
+adafruit_matrixportal_m4.pid.0=0x80C9
+adafruit_matrixportal_m4.vid.1=0x239A
+adafruit_matrixportal_m4.pid.1=0x00C9
+adafruit_matrixportal_m4.vid.1=0x239A
+adafruit_matrixportal_m4.pid.1=0x80CA
+adafruit_matrixportal_m4.upload.tool=bossac18
+adafruit_matrixportal_m4.upload.protocol=sam-ba
+adafruit_matrixportal_m4.upload.maximum_size=507904
+adafruit_matrixportal_m4.upload.offset=0x4000
+adafruit_matrixportal_m4.upload.use_1200bps_touch=true
+adafruit_matrixportal_m4.upload.wait_for_upload_port=true
+adafruit_matrixportal_m4.upload.native_usb=true
+adafruit_matrixportal_m4.build.mcu=cortex-m4
+#adafruit_matrixportal_m4.build.f_cpu=120000000L
+adafruit_matrixportal_m4.build.usb_product="Adafruit Matrix Portal M4"
+adafruit_matrixportal_m4.build.usb_manufacturer="Adafruit LLC"
+adafruit_matrixportal_m4.build.board=MATRIXPORTAL_M4
+adafruit_matrixportal_m4.build.core=arduino
+adafruit_matrixportal_m4.build.extra_flags=-D__SAMD51J19A__ -DADAFRUIT_MATRIXPORTAL_M4_EXPRESS -DCRYSTALLESS -D__SAMD51__ {build.usb_flags} -D__FPU_PRESENT -DARM_MATH_CM4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_matrixportal_m4.build.ldscript=linker_scripts/gcc/flash_with_bootloader.ld
+adafruit_matrixportal_m4.build.openocdscript=openocd_scripts/arduino_zero.cfg
+adafruit_matrixportal_m4.build.variant=matrixportal_m4
+adafruit_matrixportal_m4.build.variant_system_lib=
+adafruit_matrixportal_m4.build.vid=0x239A
+adafruit_matrixportal_m4.build.pid=0x80C9
+adafruit_matrixportal_m4.bootloader.tool=openocd
+adafruit_matrixportal_m4.bootloader.file=matrixportalM4/bootloader-matrixportal_m4.bin
+adafruit_matrixportal_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_matrixportal_m4.menu.cache.on=Enabled
+adafruit_matrixportal_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
+adafruit_matrixportal_m4.menu.cache.off=Disabled
+adafruit_matrixportal_m4.menu.cache.off.build.cache_flags=
+adafruit_matrixportal_m4.menu.speed.120=120 MHz (standard)
+adafruit_matrixportal_m4.menu.speed.120.build.f_cpu=120000000L
+adafruit_matrixportal_m4.menu.speed.150=150 MHz (overclock)
+adafruit_matrixportal_m4.menu.speed.150.build.f_cpu=150000000L
+adafruit_matrixportal_m4.menu.speed.180=180 MHz (overclock)
+adafruit_matrixportal_m4.menu.speed.180.build.f_cpu=180000000L
+adafruit_matrixportal_m4.menu.speed.200=200 MHz (overclock)
+adafruit_matrixportal_m4.menu.speed.200.build.f_cpu=200000000L
+adafruit_matrixportal_m4.menu.opt.small=Small (-Os) (standard)
+adafruit_matrixportal_m4.menu.opt.small.build.flags.optimize=-Os
+adafruit_matrixportal_m4.menu.opt.fast=Fast (-O2)
+adafruit_matrixportal_m4.menu.opt.fast.build.flags.optimize=-O2
+adafruit_matrixportal_m4.menu.opt.faster=Faster (-O3)
+adafruit_matrixportal_m4.menu.opt.faster.build.flags.optimize=-O3
+adafruit_matrixportal_m4.menu.opt.fastest=Fastest (-Ofast)
+adafruit_matrixportal_m4.menu.opt.fastest.build.flags.optimize=-Ofast
+adafruit_matrixportal_m4.menu.opt.dragons=Here be dragons (-Ofast -funroll-loops)
+adafruit_matrixportal_m4.menu.opt.dragons.build.flags.optimize=-Ofast -funroll-loops
+adafruit_matrixportal_m4.menu.maxqspi.50=50 MHz (standard)
+adafruit_matrixportal_m4.menu.maxqspi.50.build.flags.maxqspi=-DVARIANT_QSPI_BAUD_DEFAULT=50000000
+adafruit_matrixportal_m4.menu.maxqspi.fcpu=CPU Speed / 2
+adafruit_matrixportal_m4.menu.maxqspi.fcpu.build.flags.maxqspi=-DVARIANT_QSPI_BAUD_DEFAULT=({build.f_cpu})
+adafruit_matrixportal_m4.menu.usbstack.arduino=Arduino
+adafruit_matrixportal_m4.menu.usbstack.tinyusb=TinyUSB
+adafruit_matrixportal_m4.menu.usbstack.tinyusb.build.flags.usbstack=-DUSE_TINYUSB
+adafruit_matrixportal_m4.menu.debug.off=Off
+adafruit_matrixportal_m4.menu.debug.on=On
+adafruit_matrixportal_m4.menu.debug.on.build.flags.debug=-g
 
 # Adafruit BLM Badge (SAMD21)
 # ------------------------------

bootloaders/matrixportalM4/bootloader-matrixportal_m4.bin

@@ -0,0 +1,216 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+/* Linker script to configure memory regions.
+ * Need modifying for a specific board.
+ *   FLASH.ORIGIN: starting address of flash
+ *   FLASH.LENGTH: length of flash
+ *   RAM.ORIGIN: starting address of RAM bank 0
+ *   RAM.LENGTH: length of RAM bank 0
+ */
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x00000000+0x4000, LENGTH = 0x00080000-0x4000 /* First 16KB used by bootloader */
+  RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00030000
+}
+
+/* Linker script to place sections and symbol values. Should be used together
+ * with other linker script that defines memory regions FLASH and RAM.
+ * It references following symbols, which must be defined in code:
+ *   Reset_Handler : Entry of reset handler
+ *
+ * It defines following symbols, which code can use without definition:
+ *   __exidx_start
+ *   __exidx_end
+ *   __copy_table_start__
+ *   __copy_table_end__
+ *   __zero_table_start__
+ *   __zero_table_end__
+ *   __etext
+ *   __data_start__
+ *   __preinit_array_start
+ *   __preinit_array_end
+ *   __init_array_start
+ *   __init_array_end
+ *   __fini_array_start
+ *   __fini_array_end
+ *   __data_end__
+ *   __bss_start__
+ *   __bss_end__
+ *   __end__
+ *   end
+ *   __HeapLimit
+ *   __StackLimit
+ *   __StackTop
+ *   __stack
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+	.text :
+	{
+		__text_start__ = .;
+
+		KEEP(*(.sketch_boot))
+
+		. = ALIGN(0x4000);
+		KEEP(*(.isr_vector))
+		*(.text*)
+
+		KEEP(*(.init))
+		KEEP(*(.fini))
+
+		/* .ctors */
+		*crtbegin.o(.ctors)
+		*crtbegin?.o(.ctors)
+		*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
+		*(SORT(.ctors.*))
+		*(.ctors)
+
+		/* .dtors */
+ 		*crtbegin.o(.dtors)
+ 		*crtbegin?.o(.dtors)
+ 		*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
+ 		*(SORT(.dtors.*))
+ 		*(.dtors)
+
+		*(.rodata*)
+
+		KEEP(*(.eh_frame*))
+	} > FLASH
+
+	.ARM.extab :
+	{
+		*(.ARM.extab* .gnu.linkonce.armextab.*)
+	} > FLASH
+
+	__exidx_start = .;
+	.ARM.exidx :
+	{
+		*(.ARM.exidx* .gnu.linkonce.armexidx.*)
+	} > FLASH
+	__exidx_end = .;
+
+	/* To copy multiple ROM to RAM sections,
+	 * uncomment .copy.table section and,
+	 * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */
+	/*
+	.copy.table :
+	{
+		. = ALIGN(4);
+		__copy_table_start__ = .;
+		LONG (__etext)
+		LONG (__data_start__)
+		LONG (__data_end__ - __data_start__)
+		LONG (__etext2)
+		LONG (__data2_start__)
+		LONG (__data2_end__ - __data2_start__)
+		__copy_table_end__ = .;
+	} > FLASH
+	*/
+
+	/* To clear multiple BSS sections,
+	 * uncomment .zero.table section and,
+	 * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */
+	/*
+	.zero.table :
+	{
+		. = ALIGN(4);
+		__zero_table_start__ = .;
+		LONG (__bss_start__)
+		LONG (__bss_end__ - __bss_start__)
+		LONG (__bss2_start__)
+		LONG (__bss2_end__ - __bss2_start__)
+		__zero_table_end__ = .;
+	} > FLASH
+	*/
+
+	__etext = .;
+
+	.data : AT (__etext)
+	{
+		__data_start__ = .;
+		*(vtable)
+		*(.data*)
+
+		. = ALIGN(4);
+		/* preinit data */
+		PROVIDE_HIDDEN (__preinit_array_start = .);
+		KEEP(*(.preinit_array))
+		PROVIDE_HIDDEN (__preinit_array_end = .);
+
+		. = ALIGN(4);
+		/* init data */
+		PROVIDE_HIDDEN (__init_array_start = .);
+		KEEP(*(SORT(.init_array.*)))
+		KEEP(*(.init_array))
+		PROVIDE_HIDDEN (__init_array_end = .);
+
+
+		. = ALIGN(4);
+		/* finit data */
+		PROVIDE_HIDDEN (__fini_array_start = .);
+		KEEP(*(SORT(.fini_array.*)))
+		KEEP(*(.fini_array))
+		PROVIDE_HIDDEN (__fini_array_end = .);
+
+		KEEP(*(.jcr*))
+		. = ALIGN(16);
+		/* All data end */
+		__data_end__ = .;
+
+	} > RAM
+
+	.bss :
+	{
+		. = ALIGN(4);
+		__bss_start__ = .;
+		*(.bss*)
+		*(COMMON)
+		. = ALIGN(4);
+		__bss_end__ = .;
+	} > RAM
+
+	.heap (COPY):
+	{
+		__end__ = .;
+		PROVIDE(end = .);
+		*(.heap*)
+		__HeapLimit = .;
+	} > RAM
+
+	/* .stack_dummy section doesn't contains any symbols. It is only
+	 * used for linker to calculate size of stack sections, and assign
+	 * values to stack symbols later */
+	.stack_dummy (COPY):
+	{
+		*(.stack*)
+	} > RAM
+
+	/* Set stack top to end of RAM, and stack limit move down by
+	 * size of stack_dummy section */
+	__StackTop = ORIGIN(RAM) + LENGTH(RAM);
+	__StackLimit = __StackTop - SIZEOF(.stack_dummy);
+	PROVIDE(__stack = __StackTop);
+
+	__ram_end__ = ORIGIN(RAM) + LENGTH(RAM) -1 ;
+
+	/* Check if data + heap + stack exceeds RAM limit */
+	ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
+}