@@ -1,11 +1,29 @@
+/*
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
/dts-v1/;
-/memreserve/ 0x9D000000 0x03000000; /* Frame buffer */
-/memreserve/ 0xB0000000 0x10000000; /* Top 256MB is unaccessable */
-
-/include/ "skeleton.dtsi"
+/include/ "omap4.dtsi"
/ {
model = "TI OMAP4 PandaBoard";
- compatible = "ti,omap4-panda", "ti,omap4430";
+ compatible = "ti,omap4-panda", "ti,omap4430", "ti,omap4";
+
+ /*
+ * Since the initial device tree board file does not create any
+ * devices (MMC, network...), the only way to boot is to provide a
+ * ramdisk.
+ */
+ chosen {
+ bootargs = "root=/dev/ram0 rw console=ttyO2,115200n8 initrd=0x81600000,20M ramdisk_size=20480 no_console_suspend debug";
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x40000000>; /* 1 GB */
+ };
};
Based on the original omap4-panda.dts file from Manju. http://www.spinics.net/lists/linux-omap/msg55836.html Add memory information and a default bootargs to allow a boot from RAMDISK. Add missing header. Include the common omap4.dtsi. Add a "ti,omap4" compatible value for OMAP4 based boards. Signed-off-by: Benoit Cousson <b-cousson@ti.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: G, Manjunath Kondaiah <manjugk@ti.com> --- arch/arm/boot/dts/omap4-panda.dts | 28 +++++++++++++++++++++++----- 1 files changed, 23 insertions(+), 5 deletions(-)