From c4e05bc57dd14294683cdea7fe36ce3c01f5c6ae Mon Sep 17 00:00:00 2001
From: Roy Zang <tie-fei.zang@freescale.com>
Date: Mon, 24 Sep 2007 18:31:55 +0800
Subject: [PATCH] [POWERPC] bootwrapper: adds cuboot for MPC7448HPC2 platform

This patch adds cuboot support for MPC7448HPC2 platform.
The cuImage can be used with legacy u-boot without FDT support.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/Makefile                 |  3 +-
 arch/powerpc/boot/cuboot-hpc2.c            | 48 ++++++++++++++++++++++
 arch/powerpc/boot/dts/mpc7448hpc2.dts      |  5 +++
 arch/powerpc/platforms/embedded6xx/Kconfig |  1 +
 4 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 arch/powerpc/boot/cuboot-hpc2.c

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index a90baa3aff23..f3f7ce3d79a5 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -52,7 +52,7 @@ src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \
 		cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
 		ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
 		cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
-		fixed-head.S ep88xc.c
+		fixed-head.S ep88xc.c cuboot-hpc2.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -150,6 +150,7 @@ image-$(CONFIG_8260)			+= cuImage.pq2
 image-$(CONFIG_PPC_MPC52xx)		+= cuImage.52xx
 image-$(CONFIG_PPC_83xx)		+= cuImage.83xx
 image-$(CONFIG_PPC_85xx)		+= cuImage.85xx
+image-$(CONFIG_MPC7448HPC2)		+= cuImage.hpc2
 image-$(CONFIG_EBONY)			+= treeImage.ebony cuImage.ebony
 image-$(CONFIG_BAMBOO)			+= treeImage.bamboo cuImage.bamboo
 image-$(CONFIG_SEQUOIA)			+= cuImage.sequoia
diff --git a/arch/powerpc/boot/cuboot-hpc2.c b/arch/powerpc/boot/cuboot-hpc2.c
new file mode 100644
index 000000000000..d333898bca30
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-hpc2.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: Roy Zang <tie-fei.zang@freescale.com>
+ *
+ * Description:
+ * Old U-boot compatibility for mpc7448hpc2 board
+ * Based on the code of Scott Wood <scottwood@freescale.com>
+ * for 83xx and 85xx.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of  the GNU General  Public License as published by
+ * the Free Software Foundation;  either version 2 of the  License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "cuboot.h"
+
+#define TARGET_HAS_ETH1
+#include "ppcboot.h"
+
+static bd_t bd;
+extern char _dtb_start[], _dtb_end[];
+
+static void platform_fixups(void)
+{
+	void *tsi;
+
+	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
+	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
+	tsi = find_node_by_devtype(NULL, "tsi-bridge");
+	if (tsi)
+		setprop(tsi, "bus-frequency", &bd.bi_busfreq,
+			sizeof(bd.bi_busfreq));
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+		unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+	ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
+	serial_console_init();
+	platform_ops.fixups = platform_fixups;
+}
diff --git a/arch/powerpc/boot/dts/mpc7448hpc2.dts b/arch/powerpc/boot/dts/mpc7448hpc2.dts
index 88cd37da13ef..8fb542387436 100644
--- a/arch/powerpc/boot/dts/mpc7448hpc2.dts
+++ b/arch/powerpc/boot/dts/mpc7448hpc2.dts
@@ -78,6 +78,7 @@
 		};
 
 		ethernet@6200 {
+			linux,network-index = <0>;
 			#size-cells = <0>;
 			device_type = "network";
 			compatible = "tsi108-ethernet";
@@ -90,6 +91,7 @@
 		};
 
 		ethernet@6600 {
+			linux,network-index = <1>;
 			#address-cells = <1>;
 			#size-cells = <0>;
 			device_type = "network";
@@ -183,5 +185,8 @@
 			};
 		};
 	};
+	chosen {
+		linux,stdout-path = "/tsi108@c0000000/serial@7808";
+	};
 
 };
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index da66103009c6..8924095a7928 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig
@@ -22,6 +22,7 @@ config MPC7448HPC2
 	select TSI108_BRIDGE
 	select DEFAULT_UIMAGE
 	select PPC_UDBG_16550
+	select WANT_DEVICE_TREE
 	help
 	  Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga)
 	  platform
-- 
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