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authorKumar Gala <galak@kernel.crashing.org>2007-11-29 00:15:30 -0600
committerKumar Gala <galak@kernel.crashing.org>2007-12-11 22:34:19 -0600
commitf852ce72f100cabd1f11c21c085a0ad8eca9fb65 (patch)
treecdb11e0a34b3979c702cdcba4084dd43661bb24a
parentc01b17dd856fa120b2970f50d9598546a4927ec3 (diff)
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Add libfdt based ft_cpu_setup for mpc85xx
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
-rw-r--r--cpu/mpc85xx/Makefile4
-rw-r--r--cpu/mpc85xx/fdt.c64
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);
+}