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Diffstat (limited to 'arch/powerpc/cpu/mpc86xx/fdt.c')
-rw-r--r--arch/powerpc/cpu/mpc86xx/fdt.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc86xx/fdt.c b/arch/powerpc/cpu/mpc86xx/fdt.c
new file mode 100644
index 0000000..51f3f4c
--- /dev/null
+++ b/arch/powerpc/cpu/mpc86xx/fdt.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2008 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 <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <asm/mp.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern void ft_fixup_num_cores(void *blob);
+
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+#ifdef CONFIG_MP
+ int off;
+ u32 bootpg = determine_mp_bootpg();
+#endif
+
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "timebase-frequency", bd->bi_busfreq / 4, 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);
+
+#if defined(CONFIG_MPC8641)
+ do_fixup_by_compat_u32(blob, "fsl,mpc8641-localbus",
+ "bus-frequency", gd->lbc_clk, 1);
+#endif
+ do_fixup_by_compat_u32(blob, "fsl,elbc",
+ "bus-frequency", gd->lbc_clk, 1);
+
+ fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+
+#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) \
+ || defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
+ fdt_fixup_ethernet(blob);
+#endif
+
+#ifdef CONFIG_SYS_NS16550
+ do_fixup_by_compat_u32(blob, "ns16550",
+ "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
+#endif
+
+#ifdef CONFIG_MP
+ /* Reserve the boot page so OSes dont use it */
+ off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
+ if (off < 0)
+ printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
+#endif
+ ft_fixup_num_cores(blob);
+}