board: add stm32f429-disc1 config

This change renders the stm32f429discovery a bit more generic and reuse most
of its settings for the stm32f429-disc1 board.

Cc: Waldemar Brodkorb <wbx@openadk.org>
Cc: Davide Viti <zinosat@tiscali.it>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

board/stmicroelectronics/stm32f429-disco/flash.sh

@@ -1,14 +1,20 @@
 #!/bin/bash
 
 OUTPUT_DIR=$1
+BOARD_NAME=${2:-stm32f429discovery}
 
 if ! test -d "${OUTPUT_DIR}" ; then
     echo "ERROR: no output directory specified."
-    echo "Usage: $0 OUTPUT_DIR"
+    echo "Usage: $0 OUTPUT_DIR BOARD_NAME"
+    echo ""
+    echo "Arguments:"
+    echo "    OUTPUT_DIR    The Buildroot output directory."
+    echo "    BOARD_NAME    One of the available boards among:"
+    echo "                  stm32f429discovery, stm32f429disc1"
     exit 1
 fi
 
-${OUTPUT_DIR}/host/usr/bin/openocd -f board/stm32f429discovery.cfg \
+${OUTPUT_DIR}/host/usr/bin/openocd -f board/${BOARD_NAME}.cfg \
   -c "init" \
   -c "reset init" \
   -c "flash probe 0" \

board/stmicroelectronics/stm32f429-disco/readme.txt

@@ -4,6 +4,12 @@ STM32F429 Discovery
 This tutorial describes how to use the predefined Buildroot
 configuration for the STM32F429 Discovery evaluation platform.
 
+Supported HW
+------------
+
+ - STM32F429I-DISCO evaluation board
+ - STM32F429I-DISC1 evaluation board
+
 Building
 --------
 
@@ -24,7 +30,8 @@ The UART is configured at 115200.
 Flashing
 --------
 
-  ./board/stmicroelectronics/stm32f429-disco/flash.sh output/
+  ./board/stmicroelectronics/stm32f429-disco/flash.sh output/ \
+      {stm32f429discovery|stm32f429disc1}
 
 It will flash the minimal bootloader, the Device Tree Blob, and the
 kernel image which includes the root filesystem as initramfs.