From e59581c56ab5d6e0207ddac3b2c1d55cb36ec706 Mon Sep 17 00:00:00 2001
From: Stefan Roese <sr@denx.de>
Date: Tue, 28 Nov 2006 17:55:49 +0100
Subject: [PATCH] Enable the IceCube/lite5200 variants to pass a device tree to
 Linux.

This patch adds the code and configuration necessary to boot with an
arch/powerpc Linux kernel.

Signed-off-by: Grant Likely <grant.likely@gmail.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
---
 cpu/mpc5xxx/cpu.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'cpu/mpc5xxx')

diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 6b6f8282cf..20e6735de4 100644
--- a/cpu/mpc5xxx/cpu.c
+++ b/cpu/mpc5xxx/cpu.c
@@ -31,6 +31,10 @@
 #include <mpc5xxx.h>
 #include <asm/processor.h>
 
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 int checkcpu (void)
@@ -102,3 +106,27 @@ unsigned long get_tbclk (void)
 }
 
 /* ------------------------------------------------------------------------- */
+
+#ifdef CONFIG_OF_FLAT_TREE
+void
+ft_cpu_setup(void *blob, bd_t *bd)
+{
+	u32 *p;
+	ulong clock;
+	int len;
+
+	clock = bd->bi_busfreq;
+	p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
+	if (p != NULL)
+		*p = cpu_to_be32(clock);
+
+	p = ft_get_prop(blob, "/" OF_SOC "/bus-frequency", &len);
+	if (p != NULL)
+		*p = cpu_to_be32(clock);
+
+	p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/mac-address", &len);
+	if (p != NULL)
+		memcpy(p, bd->bi_enetaddr, 6);
+
+}
+#endif
-- 
cgit