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

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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@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Dongsheng.wang@freescale.com 2013-01-30 18:51:52 +00:00 committed by Andy Fleming
parent 3c1bfc04c6
commit f5c2623d80
1 changed files with 5 additions and 0 deletions

5
arch/powerpc/cpu/mpc85xx/fdt.c
View File

@ -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);