powerpc/mpc85xx: add setting of clock-frequency for mpic node

Set the device tree property associated with the mpic source
frequency. The frequency is used for mpic timer.

Signed-off-by: Wang Dongsheng <[email protected]>
Signed-off-by: Andy Fleming <[email protected]>

diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 24eb9789be9708cd5ffca1d7c4c8d47ad85e29d4..6f8d09ecc464c8e9a541ab9c50458c8c609a0241 100644 (file)
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -663,6 +663,11 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 #ifdef CONFIG_FSL_CORENET
        do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
                "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
+       do_fixup_by_compat_u32(blob, "fsl,mpic",
+               "clock-frequency", get_bus_freq(0)/2, 1);
+#else
+       do_fixup_by_compat_u32(blob, "fsl,mpic",
+               "clock-frequency", get_bus_freq(0), 1);
 #endif
 
        fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);