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authorStefan Roese <sr@denx.de>2008-08-11 06:43:38 +0200
committerStefan Roese <sr@denx.de>2008-08-11 06:43:38 +0200
commit81c4dc39797e88ebbde14bb4b711f9588f197680 (patch)
tree1d518f2187cc027a86e4b7c38739f02a23ea871b /cpu/mpc512x
parenteab1007334b93a6209f1ec33615e26ef5311ede7 (diff)
parente84d568fa2a9f4ce7888141e71676368ef6b3f25 (diff)
downloadu-boot-imx-81c4dc39797e88ebbde14bb4b711f9588f197680.zip
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Merge branch 'master' of /home/stefan/git/u-boot/u-boot
Diffstat (limited to 'cpu/mpc512x')
-rw-r--r--cpu/mpc512x/Makefile2
-rw-r--r--cpu/mpc512x/cpu.c77
-rw-r--r--cpu/mpc512x/iopin.c49
3 files changed, 112 insertions, 16 deletions
diff --git a/cpu/mpc512x/Makefile b/cpu/mpc512x/Makefile
index 2be35b2..8ba8ae8 100644
--- a/cpu/mpc512x/Makefile
+++ b/cpu/mpc512x/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o fec.o i2c.o
+COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o fec.o i2c.o iopin.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c
index b59f36d..81bae41 100644
--- a/cpu/mpc512x/cpu.c
+++ b/cpu/mpc512x/cpu.c
@@ -131,22 +131,69 @@ void watchdog_reset (void)
#endif
#ifdef CONFIG_OF_LIBFDT
-void ft_cpu_setup(void *blob, bd_t *bd)
+
+#ifdef CONFIG_OF_SUPPORT_OLD_DEVICE_TREES
+/*
+ * fdt setup for old device trees
+ * fix up
+ * cpu clocks
+ * soc clocks
+ * ethernet addresses
+ */
+static void old_ft_cpu_setup(void *blob, bd_t *bd)
+{
+ /*
+ * avoid fixing up by path because that
+ * produces scary error messages
+ */
+
+ /*
+ * old device trees have ethernet nodes with
+ * device_type = "network"
+ */
+ do_fixup_by_prop(blob, "device_type", "network", 8,
+ "local-mac-address", bd->bi_enetaddr, 6, 0);
+ do_fixup_by_prop(blob, "device_type", "network", 8,
+ "address", bd->bi_enetaddr, 6, 0);
+ /*
+ * old device trees have soc nodes with
+ * device_type = "soc"
+ */
+ do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
+ "bus-frequency", bd->bi_ipsfreq, 0);
+}
+#endif
+
+static void ft_clock_setup(void *blob, bd_t *bd)
{
+ int node;
char *cpu_path = "/cpus/" OF_CPU;
- char *eth_path = "/" OF_SOC "/ethernet@2800";
- char *eth_path_old = "/" OF_SOC_OLD "/ethernet@2800";
-
- do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
- do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
- do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
- do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipsfreq, 1);
- do_fixup_by_path(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0);
-
- /* this is so old kernels with old device trees will boot */
- do_fixup_by_path_u32(blob, "/" OF_SOC_OLD, "bus-frequency", bd->bi_ipsfreq, 0);
- do_fixup_by_path(blob, eth_path_old, "local-mac-address",
- bd->bi_enetaddr, 6, 0);
- do_fixup_by_path(blob, eth_path_old, "address", bd->bi_enetaddr, 6, 0);
+ const char *path = NULL;
+
+ /*
+ * fixup cpu clocks using path
+ */
+ do_fixup_by_path_u32(blob, cpu_path,
+ "timebase-frequency", OF_TBCLK, 1);
+ do_fixup_by_path_u32(blob, cpu_path,
+ "bus-frequency", bd->bi_busfreq, 1);
+ do_fixup_by_path_u32(blob, cpu_path,
+ "clock-frequency", bd->bi_intfreq, 1);
+ /*
+ * fixup soc clocks using compatible
+ */
+ do_fixup_by_compat_u32(blob, OF_SOC_COMPAT,
+ "bus-frequency", bd->bi_ipsfreq, 1);
+}
+
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+#ifdef CONFIG_OF_SUPPORT_OLD_DEVICE_TREES
+ old_ft_cpu_setup(blob, bd);
+#endif
+ ft_clock_setup(blob, bd);
+#ifdef CONFIG_HAS_ETH0
+ fdt_fixup_ethernet(blob, bd);
+#endif
}
#endif
diff --git a/cpu/mpc512x/iopin.c b/cpu/mpc512x/iopin.c
new file mode 100644
index 0000000..01ab34a
--- /dev/null
+++ b/cpu/mpc512x/iopin.c
@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2008
+ * Martha J Marx, Silicon Turnkey Express, mmarx@silicontkx.com
+ * mpc512x I/O pin/pad initialization for the ADS5121 board
+ * 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 <linux/types.h>
+#include <mpc512x.h>
+
+void iopin_initialize(iopin_t *ioregs_init, int len)
+{
+ short i, j, n, p;
+ u_long *reg;
+ immap_t *im = (immap_t *)CFG_IMMR;
+
+ reg = (u_long *)&(im->io_ctrl.regs[0]);
+
+ if (sizeof(ioregs_init) == 0)
+ return;
+
+ for (i = 0; i < len; i++) {
+ for (p = 0, j = ioregs_init[i].p_offset / sizeof(u_long);
+ p < ioregs_init[i].nr_pins; p++, j++) {
+ if (ioregs_init[i].bit_or)
+ reg[j] |= ioregs_init[i].val;
+ else
+ reg[j] = ioregs_init[i].val;
+ }
+ }
+ return;
+}