Add libfdt based ft_cpu_setup for mpc85xx

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

2 files changed, 67 insertions, 1 deletions

diff --git a/cpu/mpc85xx/Makefile b/cpu/mpc85xx/Makefile
index 32091fa..d179d70 100644
--- a/cpu/mpc85xx/Makefile
+++ b/cpu/mpc85xx/Makefile
@@ -29,8 +29,10 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o resetvec.o
+COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
 COBJS	= traps.o cpu.o cpu_init.o speed.o interrupts.o \
-	  pci.o serial_scc.o commproc.o ether_fcc.o spd_sdram.o qe_io.o
+	  pci.o serial_scc.o commproc.o ether_fcc.o spd_sdram.o qe_io.o \
+	  $(COBJS-y)
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mpc85xx/fdt.c b/cpu/mpc85xx/fdt.c
new file mode 100644
index 0000000..737a6c4
--- /dev/null
+++ b/cpu/mpc85xx/fdt.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
+    defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
+	fdt_fixup_ethernet(blob, bd);
+#endif
+
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+		"timebase-frequency", bd->bi_busfreq / 8, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+		"bus-frequency", bd->bi_busfreq, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+		"clock-frequency", bd->bi_intfreq, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
+		"bus-frequency", bd->bi_busfreq, 1);
+#ifdef CONFIG_QE
+	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
+		"bus-frequency", bd->bi_busfreq, 1);
+#endif
+
+#ifdef CFG_NS16550
+	do_fixup_by_compat_u32(blob, "ns16550",
+		"clock-frequency", bd->bi_busfreq, 1);
+#endif
+
+#ifdef CONFIG_CPM2
+	do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
+		"current-speed", bd->bi_baudrate, 1);
+
+	do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
+		"clock-frequency", bd->bi_brgfreq, 1);
+#endif
+
+	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+}