From 7261a4b6b79c8d1e2f6f0238d6aa47cb4f27ee62 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Sun, 8 Jan 2012 18:32:36 +0100
Subject: board/osmo-sdr: Add DFU support (like SAM3U-EK)

---
 boards/osmo-sdr/at91sam3u4/dfu.lds | 95 ++++++++++++++++++++++++++++++++++++++
 boards/osmo-sdr/board.h            | 14 ++++++
 boards/osmo-sdr/board.mak          |  2 +-
 3 files changed, 110 insertions(+), 1 deletion(-)
 create mode 100644 boards/osmo-sdr/at91sam3u4/dfu.lds

diff --git a/boards/osmo-sdr/at91sam3u4/dfu.lds b/boards/osmo-sdr/at91sam3u4/dfu.lds
new file mode 100644
index 0000000..5903d69
--- /dev/null
+++ b/boards/osmo-sdr/at91sam3u4/dfu.lds
@@ -0,0 +1,95 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/*------------------------------------------------------------------------------
+ *      Linker script for running in internal FLASH on the AT91SAM3U4
+ *----------------------------------------------------------------------------*/
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(ResetException)
+
+/* Vector Definition */
+/* vector is put at very begin adress of SRAM0, the preserved size is 0x100 */
+_vect_start = 0x20000000;
+
+/* Memory Spaces Definitions */
+MEMORY
+{
+    sram0  (W!RX) : ORIGIN = 0x20000100, LENGTH = 0x00007F00 /* Sram0, 32K */
+    sram1  (W!RX) : ORIGIN = 0x20080000, LENGTH = 0x00004000 /* Sram1, 16K */
+    flash0 (W!RX) : ORIGIN = 0x00084000, LENGTH = 0x0001c000 /* Flash0, 128K */
+    flash1 (W!RX) : ORIGIN = 0x00100000, LENGTH = 0x00020000 /* Flash1, 128K */
+}
+
+SECTIONS
+{
+    .fixed :
+    {
+        . = ALIGN(4);
+        _sfixed = .;
+        KEEP(*(.vectors))
+        *(.text*)
+        *(.rodata*)
+        *(.glue_7)
+        *(.glue_7t)
+
+    } >flash0
+
+    .ARM.exidx : {
+        __exidx_start = .;
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+        __exidx_end = .;
+    } >flash0
+
+    . = ALIGN(4);
+    _efixed = .;            /* End of text section */
+
+    .relocate : AT (_efixed)
+    {
+        . = ALIGN(4);
+        _srelocate = .;
+        *(.ramfunc);
+        *(.data);
+        . = ALIGN(4);
+        _erelocate = .;
+    } >sram0
+
+    .bss (NOLOAD) : {
+        . = ALIGN(4);
+        _szero = .;
+        *(.bss)
+        . = ALIGN(4);
+        _ezero = .;
+    } >sram0
+
+    /* Stack in the end of SRAM0 */
+    _estack = 0x20007FFC;
+}
+end = .;
diff --git a/boards/osmo-sdr/board.h b/boards/osmo-sdr/board.h
index e130ceb..7d7f629 100644
--- a/boards/osmo-sdr/board.h
+++ b/boards/osmo-sdr/board.h
@@ -353,5 +353,19 @@ typedef enum IRQn
 
 //------------------------------------------------------------------------------
 
+//------------------------------------------------------------------------------
+// DFU
+
+#define BOARD_USB_DFU
+#define BOARD_DFU_BTN_PIOA	12
+#define BOARD_DFU_BOOT_SIZE	(16 * 1024)
+#define BOARD_DFU_PAGE_SIZE	512
+#define BOARD_DFU_NUM_IF	4
+
+#define BOARD_USB_VENDOR	0x16c0
+#define BOARD_USB_PRODUCT	0x0763
+#define BOARD_USB_RELEASE	0x0001
+
+
 #endif //#ifndef BOARD_H
 
diff --git a/boards/osmo-sdr/board.mak b/boards/osmo-sdr/board.mak
index c8d987f..61b7ae3 100644
--- a/boards/osmo-sdr/board.mak
+++ b/boards/osmo-sdr/board.mak
@@ -28,4 +28,4 @@
 
 # Defines which are the available memory targets for the AT91SAM3UE-EK board.
 
-MEMORIES = flash
+MEMORIES = flash dfu
-- 
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