Add Arduino firmware support for duos

Signed-off-by: Cheng Li <[email protected]>

variants/duos/link.ld

@@ -0,0 +1,233 @@
+/*******************************************************************/
+/*                                                                 */
+/* This file is automatically generated by linker script generator.*/
+/*                                                                 */
+/* Version:                                                        */
+/*                                                                 */
+/* Copyright (c) 2010-2016 Xilinx, Inc.  All rights reserved.      */
+/*                                                                 */
+/* Description : Cortex-A53 Linker Script                          */
+/*                                                                 */
+/*******************************************************************/
+OUTPUT_ARCH( "riscv" )
+OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv", "elf64-littleriscv")
+
+_STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x40000;
+/*_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x1000000;*/
+_HEAP_SIZE = 0x80000;
+
+_EL0_STACK_SIZE = DEFINED(_EL0_STACK_SIZE) ? _EL0_STACK_SIZE : 1024;
+_EL1_STACK_SIZE = DEFINED(_EL1_STACK_SIZE) ? _EL1_STACK_SIZE : 2048;
+_EL2_STACK_SIZE = DEFINED(_EL2_STACK_SIZE) ? _EL2_STACK_SIZE : 1024;
+
+/* Define Memories in the system */
+
+MEMORY
+{
+   psu_ddr_0_MEM_0 : ORIGIN = 0x9fe00000 , LENGTH = 0x200000
+}
+
+/* Specify the default entry point to the program */
+
+/*ENTRY(_vector_table)*/
+ENTRY(Reset_Handler)
+
+/* Define the sections, and where they are mapped in memory */
+
+SECTIONS
+{
+.text : {
+   KEEP (*(.vectors))
+   *(.boot)
+   *(.text)
+   *(.text.*)
+   *(.gnu.linkonce.t.*)
+   *(.plt)
+   *(.gnu_warning)
+   *(.gcc_execpt_table)
+   *(.glue_7)
+   *(.glue_7t)
+   *(.ARM.extab)
+   *(.gnu.linkonce.armextab.*)
+} > psu_ddr_0_MEM_0
+
+.init (ALIGN(64)) : {
+   KEEP (*(.init))
+} > psu_ddr_0_MEM_0
+
+.fini (ALIGN(64)) : {
+   KEEP (*(.fini))
+} > psu_ddr_0_MEM_0
+
+.interp : {
+   KEEP (*(.interp))
+} > psu_ddr_0_MEM_0
+
+.note-ABI-tag : {
+   KEEP (*(.note-ABI-tag))
+} > psu_ddr_0_MEM_0
+
+.rodata : {
+   . = ALIGN(64);
+   __rodata_start = .;
+   *(.rodata)
+   *(.rodata.*)
+   *(.srodata*)
+   *(.gnu.linkonce.r.*)
+   __rodata_end = .;
+} > psu_ddr_0_MEM_0
+
+.rodata1 : {
+   . = ALIGN(64);
+   __rodata1_start = .;
+   *(.rodata1)
+   *(.rodata1.*)
+   __rodata1_end = .;
+} > psu_ddr_0_MEM_0
+
+.rodata2 : {
+   __init_array_start = .;
+   __ctors_start__ = .;
+   KEEP (*(SORT(.init_array.*)))
+   KEEP (*(.init_array))
+   __init_array_end = .;
+   __ctors_end__ = .;
+
+   __fini_array_start = .;
+   __dtors_start__ = .;
+   KEEP (*(SORT(.fini_array.*)))
+   KEEP (*(.fini_array))
+   __fini_array_end = .;
+   __dtors_end__ = .;
+
+  __ctor_start__ = .;
+  KEEP (*(SORT(.ctors.*)))
+  KEEP (*(.ctors))
+  __ctor_end__ = .;
+  KEEP (*(SORT(.dtors.*)))
+  KEEP (*(.dtors))
+  __dtor_end__ = .;
+  . = ALIGN(0x8) ;
+} > psu_ddr_0_MEM_0
+
+.data : {
+   . = ALIGN(64);
+   _data = .;
+   *(.data)
+   *(.data.*)
+   *(.sdata)
+   *(.sdata.*)
+   *(.gnu.linkonce.d.*)
+   *(.jcr)
+   *(.got)
+   *(.got.plt)
+   _edata = .;
+} > psu_ddr_0_MEM_0
+
+.data1 : {
+   . = ALIGN(64);
+   __data1_start = .;
+   *(.data1)
+   *(.data1.*)
+   __data1_end = .;
+} > psu_ddr_0_MEM_0
+
+.resource_table :
+{
+   KEEP(*(.resource_table));
+} > psu_ddr_0_MEM_0
+
+.got : {
+   *(.got)
+} > psu_ddr_0_MEM_0
+
+.got1 : {
+   *(.got1)
+} > psu_ddr_0_MEM_0
+
+.got2 : {
+   *(.got2)
+} > psu_ddr_0_MEM_0
+
+.ctors : {
+   . = ALIGN(64);
+   __CTOR_LIST__ = .;
+   ___CTORS_LIST___ = .;
+   KEEP (*crtbegin.o(.ctors))
+   KEEP (*(EXCLUDE_FILE(*crtend.o) .ctors))
+   KEEP (*(SORT(.ctors.*)))
+   KEEP (*(.ctors))
+   __CTOR_END__ = .;
+   ___CTORS_END___ = .;
+} > psu_ddr_0_MEM_0
+
+.dtors : {
+   . = ALIGN(64);
+   __DTOR_LIST__ = .;
+   ___DTORS_LIST___ = .;
+   KEEP (*crtbegin.o(.dtors))
+   KEEP (*(EXCLUDE_FILE(*crtend.o) .dtors))
+   KEEP (*(SORT(.dtors.*)))
+   KEEP (*(.dtors))
+   __DTOR_END__ = .;
+   ___DTORS_END___ = .;
+} > psu_ddr_0_MEM_0
+
+.fixup : {
+   __fixup_start = .;
+   *(.fixup)
+   __fixup_end = .;
+} > psu_ddr_0_MEM_0
+
+.eh_frame : {
+   *(.eh_frame)
+} > psu_ddr_0_MEM_0
+
+.eh_framehdr : {
+   __eh_framehdr_start = .;
+   *(.eh_framehdr)
+   __eh_framehdr_end = .;
+} > psu_ddr_0_MEM_0
+
+.gcc_except_table : {
+   *(.gcc_except_table)
+} > psu_ddr_0_MEM_0
+
+.bss (NOLOAD) : {
+   . = ALIGN(64);
+   _bss = .;
+   *(.bss)
+   *(.bss.*)
+   *(.sbss)
+   *(.sbss.*)
+   *(.gnu.linkonce.b.*)
+   *(COMMON)
+   . = ALIGN(64);
+   _ebss = .;
+   end = .;
+} > psu_ddr_0_MEM_0
+
+/* Generate Stack and Heap definitions */
+
+.heap (NOLOAD) : {
+   . = ALIGN(64);
+   _heap = .;
+   HeapBase = .;
+   _heap_start = .;
+   *(.heap*)
+   . += _HEAP_SIZE;
+   _heap_size = _HEAP_SIZE;
+   _heap_end = .;
+   HeapLimit = .;
+} > psu_ddr_0_MEM_0
+
+.stack (NOLOAD) : {
+   . = ALIGN(64);
+   _stack_end_end = .;
+   . += _STACK_SIZE;
+   _stack_top = .;
+} > psu_ddr_0_MEM_0
+
+_end = .;
+}
+

variants/duos/variant.h

@@ -0,0 +1,22 @@
+#ifndef VARIANT_H
+#define VARIANT_H
+#include "variant_pins.h"
+#include "../duo/variant_soc.h"
+
+#define DEBUG_SERIAL            Serial3
+#define DEBUG_UART_BASE         DW_UART3_BASE
+
+#define CONFIG_BOARD_CV181XH        1
+#define WIRE_INTERFACES_COUNT       5
+#define OUT_PIN_NUM                 53
+
+#define digitalPinToInterrupt(p)    (((p) < CONFIG_GPIO_NUM * 32) ? (p) : -1)
+
+#define SERIAL_INTERFACES_COUNT 4
+#define Wire Wire1
+#define PIN_SPI2_SCK PIN_SPI3_SCK
+#define PIN_SPI2_MISO PIN_SPI3_MISO
+#define PIN_SPI2_MOSI PIN_SPI3_MOSI
+#define PIN_SPI2_CS PIN_SPI3_CS
+
+#endif