[U-Boot] [PATCH] powerpc/mpc85xx: add setting of clock-frequency for mpic node

Wang Dongsheng dongsheng.wang at freescale.com
Thu Jan 31 05:51:52 CET 2013


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

Signed-off-by: Wang Dongsheng <dongsheng.wang at freescale.com>
---
 arch/powerpc/cpu/mpc85xx/fdt.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 3a268aa..f07d1cf 100644
--- 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);
--
1.7.5.1




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