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authorKumar Gala <galak@kernel.crashing.org>2008-01-25 01:04:58 +0300
committerKumar Gala <galak@kernel.crashing.org>2008-01-27 23:10:36 +0300
commit7858f7477e3d9311240b93d4f320a8d57faa3c70 (patch)
tree092e3e1c8195ed51f45d1707ca9575ae565526d5 /arch/powerpc/boot/cuboot-85xx-cpm2.c
parentb3bea15d29799797d1486aeddf883404a2e05c81 (diff)
downloadlinux-7858f7477e3d9311240b93d4f320a8d57faa3c70.tar.xz
[POWERPC] Add a cuboot wrapper for 85xx with CPM2
The bd info struct changes if we have CPM2 enabled in u-boot. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/boot/cuboot-85xx-cpm2.c')
-rw-r--r--arch/powerpc/boot/cuboot-85xx-cpm2.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/powerpc/boot/cuboot-85xx-cpm2.c b/arch/powerpc/boot/cuboot-85xx-cpm2.c
new file mode 100644
index 000000000000..723872ddd447
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-85xx-cpm2.c
@@ -0,0 +1,66 @@
+/*
+ * Old U-boot compatibility for 85xx
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "cuboot.h"
+
+#define TARGET_85xx
+#define TARGET_CPM2
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void platform_fixups(void)
+{
+ void *devp;
+
+ dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+ dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
+ dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
+ dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
+ dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
+
+ /* Unfortunately, the specific model number is encoded in the
+ * soc node name in existing dts files -- once that is fixed,
+ * this can do a simple path lookup.
+ */
+ devp = find_node_by_devtype(NULL, "soc");
+ if (devp) {
+ void *serial = NULL;
+
+ setprop(devp, "bus-frequency", &bd.bi_busfreq,
+ sizeof(bd.bi_busfreq));
+
+ while ((serial = find_node_by_devtype(serial, "serial"))) {
+ if (get_parent(serial) != devp)
+ continue;
+
+ setprop(serial, "clock-frequency", &bd.bi_busfreq,
+ sizeof(bd.bi_busfreq));
+ }
+ }
+
+ devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
+ if (devp)
+ setprop(devp, "clock-frequency", &bd.bi_brgfreq,
+ sizeof(bd.bi_brgfreq));
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ CUBOOT_INIT();
+ fdt_init(_dtb_start);
+ serial_console_init();
+ platform_ops.fixups = platform_fixups;
+}