[U-Boot-Users] [PATCH] ppc4xx fixup ebc clock in FDT for 405GP/EP

[Markus Brunner <super.firetwister@googlemail.com>]

On ppc405EP and ppc405GP (at least) the ebc is directly attached to the plb and not to the opb. 
This patch will try to fixup /plb/ebc if /plb/opb/ebc doesn't exist.

Signed-off-by: Markus Brunner <super.firetwister@gmail.com>
---

diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c
index afcb974..da27d0e 100644
--- a/cpu/ppc4xx/fdt.c
+++ b/cpu/ppc4xx/fdt.c
@@ -46,8 +46,14 @@ void ft_cpu_setup(void *blob, bd_t *bd)
                             bd->bi_intfreq, 1);
        do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
        do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
-       do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
-                            sys_info.freqEBC, 1);
+
+       if ( fdt_path_offset(blob, "/plb/opb/ebc") >= 0 )
+               do_fixup_by_path_u32(blob, "/plb/opb/ebc",
+                       "clock-frequency", sys_info.freqEBC, 1);
+       else
+               do_fixup_by_path_u32(blob, "/plb/ebc",
+                       "clock-frequency", sys_info.freqEBC, 1);
+
        fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);

        /*