1 files changed, 244 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8DX4/gcc/MIMX8DX4xxxxx_cm4_ddr_ram.ld b/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8DX4/gcc/MIMX8DX4xxxxx_cm4_ddr_ram.ld
new file mode 100644
index 000000000..aeb4b3278
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8DX4/gcc/MIMX8DX4xxxxx_cm4_ddr_ram.ld
@@ -0,0 +1,244 @@
+/*
+** ###################################################################
+**     Processor:           MIMX8DX4AVLFZ
+**     Compiler:            GNU C Compiler
+**     Reference manual:    IMX8DQXPRM, Rev. E, 6/2019
+**     Version:             rev. 4.0, 2020-06-19
+**     Build:               b201113
+**
+**     Abstract:
+**         Linker file for the GNU C Compiler
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2020 NXP
+**     All rights reserved.
+**
+**     SPDX-License-Identifier: BSD-3-Clause
+**
+**     http:                 www.nxp.com
+**     mail:                 [email protected]
+**
+** ###################################################################
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
+
+/* Reserved for PFU fetches, which is six 16-bit Thumb instructions */
+SAFE_BOUNDARY_LEN = 12;
+
+/* Specify the memory areas */
+/* M4 always start up from TCM. The SCU will copy the first 32 bytes of the binary to TCM
+if the start address is not TCM. The TCM region [0x1FFE0000-0x1FFE001F] is reserved for this purpose. */
+MEMORY
+{
+  m_interrupts          (RX)  : ORIGIN = DEFINED(__STARTUP_CONFIG_DDR_ALIAS)?0x08000000:0x88000000, LENGTH = 0x00000A00
+  m_text                (RX)  : ORIGIN = DEFINED(__STARTUP_CONFIG_DDR_ALIAS)?0x08000A00:0x88000A00, LENGTH = 0x001FF600
+  m_data                (RW)  : ORIGIN = 0x88200000, LENGTH = 0x00200000
+  m_data2               (RW)  : ORIGIN = 0x88400000, LENGTH = 0x07C00000
+  m_tcml                (RW)  : ORIGIN = 0x1FFE0020, LENGTH = 0x0001FFE0
+  m_tcmu                (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00020000
+}
+
+/* Define output sections */
+SECTIONS
+{
+  /* The startup code goes first into internal RAM */
+  .interrupts :
+  {
+    . = ALIGN(4);
+    KEEP(*(.isr_vector))     /* Startup code */
+    . = ALIGN(4);
+  } > m_interrupts
+
+  .resource_table :
+  {
+    . = ALIGN(8);
+    KEEP(*(.resource_table)) /* Resource table */
+    . = ALIGN(8);
+  } > m_text
+
+  /* The program code and other data goes into internal RAM */
+  .text :
+  {
+    . = ALIGN(4);
+    *(.text)                 /* .text sections (code) */
+    *(.text*)                /* .text* sections (code) */
+    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
+    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
+    *(.glue_7)               /* glue arm to thumb code */
+    *(.glue_7t)              /* glue thumb to arm code */
+    *(.eh_frame)
+    KEEP (*(.init))
+    KEEP (*(.fini))
+    . = ALIGN(4);
+  } > m_text
+
+  .ARM.extab :
+  {
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+  } > m_text
+
+  .ARM :
+  {
+    __exidx_start = .;
+    *(.ARM.exidx*)
+    __exidx_end = .;
+  } > m_text
+
+ .ctors :
+  {
+    __CTOR_LIST__ = .;
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+    KEEP (*crtbegin.o(.ctors))
+    KEEP (*crtbegin?.o(.ctors))
+    /* We don't want to include the .ctor section from
+       from the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+    __CTOR_END__ = .;
+  } > m_text
+
+  .dtors :
+  {
+    __DTOR_LIST__ = .;
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*crtbegin?.o(.dtors))
+    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+    __DTOR_END__ = .;
+  } > m_text
+
+  .preinit_array :
+  {
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array*))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+  } > m_text
+
+  .init_array :
+  {
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array*))
+    PROVIDE_HIDDEN (__init_array_end = .);
+  } > m_text
+
+  .fini_array :
+  {
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(SORT(.fini_array.*)))
+    KEEP (*(.fini_array*))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+  } > m_text
+
+  __etext = .;    /* define a global symbol at end of code */
+  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
+
+  .data : AT(__DATA_ROM)
+  {
+    . = ALIGN(4);
+    __DATA_RAM = .;
+    __data_start__ = .;      /* create a global symbol at data start */
+    *(.data)                 /* .data sections */
+    *(.data*)                /* .data* sections */
+    KEEP(*(.jcr*))
+    . = ALIGN(4);
+    __data_end__ = .;        /* define a global symbol at data end */
+  } > m_data
+
+  __TDATA_ROM = __DATA_ROM + SIZEOF(.data); /* Symbol is used by startup for TCM data initialization */
+  .quickaccess : AT(__TDATA_ROM)
+  {
+    __quickaccess_start__ = .;
+    . = ALIGN(32);
+    *(CodeQuickAccess)
+    . += SAFE_BOUNDARY_LEN;
+    *(DataQuickAccess)
+    . = ALIGN(128);
+    __quickaccess_end__ = .;
+  } > m_tcml
+
+  __CACHE_REGION_START = DEFINED(__STARTUP_CONFIG_DDR_ALIAS) ? ORIGIN(m_data) : ORIGIN(m_interrupts);
+  __CACHE_REGION_SIZE = DEFINED(__STARTUP_CONFIG_DDR_ALIAS) ? LENGTH(m_data) : LENGTH(m_interrupts) + LENGTH(m_text) + LENGTH(m_data);
+
+
+  __NDATA_ROM = __TDATA_ROM + SIZEOF(.quickaccess); /* Symbol is used by startup for ncache data initialization */
+
+  .ncache.init : AT(__NDATA_ROM)
+  {
+    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
+    *(NonCacheable.init)
+    . = ALIGN(4);
+    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
+  } > m_data2
+
+  . = __noncachedata_init_end__;
+  .ncache :
+  {
+    *(NonCacheable)
+    . = ALIGN(4);
+    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
+  } > m_data2
+
+  __DATA_END = __NDATA_ROM + SIZEOF(.ncache.init);
+  text_end = ORIGIN(m_text) + LENGTH(m_text);
+  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
+
+  /* Uninitialized data section */
+  .bss :
+  {
+    /* This is used by the startup in order to initialize the .bss section */
+    . = ALIGN(4);
+    __START_BSS = .;
+    __bss_start__ = .;
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+    . = ALIGN(4);
+    __bss_end__ = .;
+    __END_BSS = .;
+  } > m_data
+
+  .heap :
+  {
+    . = ALIGN(8);
+    __end__ = .;
+    PROVIDE(end = .);
+    __HeapBase = .;
+    . += HEAP_SIZE;
+    __HeapLimit = .;
+    __heap_limit = .; /* Add for _sbrk */
+  } > m_data
+
+  .stack :
+  {
+    . = ALIGN(8);
+    . += STACK_SIZE;
+  } > m_data
+
+  /* Initializes stack on the end of block */
+  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
+  __StackLimit = __StackTop - STACK_SIZE;
+  PROVIDE(__stack = __StackTop);
+
+  .ARM.attributes 0 : { *(.ARM.attributes) }
+
+  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
+}
+