[Keyboard] Refactor of onekey to support multiple development boards (#6017)

* Initial refactor of onekey to support multiple development boards

* Fixes to get teensy lc && 3.2 working

* Add pin tables

* Add caveats to Teensy boards

* Correct bootloader for Elite-C

1 files changed, 101 insertions, 0 deletions

diff --git a/keyboards/handwired/onekey/teensy_32/ld/MK20DX256.ld b/keyboards/handwired/onekey/teensy_32/ld/MK20DX256.ld
new file mode 100644
index 0000000000..66bc6b81e2
--- /dev/null
+++ b/keyboards/handwired/onekey/teensy_32/ld/MK20DX256.ld
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2013-2016 Fabio Utzig, http://fabioutzig.com
+ *           (C) 2016 flabbergast <s3+flabbergast@sdfeu.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.
+ */
+
+/*
+ * MK20DX256 memory setup.
+ */
+MEMORY
+{
+  flash0   : org = 0x00000000, len = 0x400
+  flash1   : org = 0x00000400, len = 0x10
+  flash2   : org = 0x00000410, len = 256k - 0x410
+  flash3   : org = 0x00000000, len = 0
+  flash4   : org = 0x00000000, len = 0
+  flash5   : org = 0x00000000, len = 0
+  flash6   : org = 0x00000000, len = 0
+  flash7   : org = 0x00000000, len = 0
+  ram0     : org = 0x1FFF8000, len = 64k
+  ram1     : org = 0x00000000, len = 0
+  ram2     : org = 0x00000000, len = 0
+  ram3     : org = 0x00000000, len = 0
+  ram4     : org = 0x00000000, len = 0
+  ram5     : org = 0x00000000, len = 0
+  ram6     : org = 0x00000000, len = 0
+  ram7     : org = 0x00000000, len = 0
+}
+
+/* Flash region for the configuration bytes.*/
+SECTIONS
+{
+  .cfmprotect : ALIGN(4) SUBALIGN(4)
+  {
+    KEEP(*(.cfmconfig))
+  } > flash1
+}
+
+/* For each data/text section two region are defined, a virtual region
+   and a load region (_LMA suffix).*/
+
+/* Flash region to be used for exception vectors.*/
+REGION_ALIAS("VECTORS_FLASH", flash0);
+REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
+
+/* Flash region to be used for constructors and destructors.*/
+REGION_ALIAS("XTORS_FLASH", flash2);
+REGION_ALIAS("XTORS_FLASH_LMA", flash2);
+
+/* Flash region to be used for code text.*/
+REGION_ALIAS("TEXT_FLASH", flash2);
+REGION_ALIAS("TEXT_FLASH_LMA", flash2);
+
+/* Flash region to be used for read only data.*/
+REGION_ALIAS("RODATA_FLASH", flash2);
+REGION_ALIAS("RODATA_FLASH_LMA", flash2);
+
+/* Flash region to be used for various.*/
+REGION_ALIAS("VARIOUS_FLASH", flash2);
+REGION_ALIAS("VARIOUS_FLASH_LMA", flash2);
+
+/* Flash region to be used for RAM(n) initialization data.*/
+REGION_ALIAS("RAM_INIT_FLASH_LMA", flash2);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+   of all exceptions and interrupts.*/
+REGION_ALIAS("MAIN_STACK_RAM", ram0);
+
+/* RAM region to be used for the process stack. This is the stack used by
+   the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram0);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+REGION_ALIAS("DATA_RAM_LMA", flash2);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for the default heap.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+/* Generic rules inclusion.*/
+INCLUDE rules.ld