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https://github.com/brain-hackers/u-boot-brain
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85xx: Add support to set DPAA (data path) devices clock frequencies
Set clock-frequency for Frame Manager 0/1 and Patter Match Engine on p4080. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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@ -297,6 +297,40 @@ void fdt_add_enet_stashing(void *fdt)
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do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
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}
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#if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
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static void ft_fixup_clks(void *blob, const char *alias, unsigned long freq)
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{
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const char *path = fdt_get_alias(blob, alias);
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int off = fdt_path_offset(blob, path);
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if (off >= 0) {
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off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
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if (off > 0)
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printf("WARNING enable to set clock-frequency "
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"for %s: %s\n", alias, fdt_strerror(off));
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}
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}
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static void ft_fixup_dpaa_clks(void *blob)
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{
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sys_info_t sysinfo;
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get_sys_info(&sysinfo);
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ft_fixup_clks(blob, "fman0", sysinfo.freqFMan[0]);
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#if (CONFIG_SYS_NUM_FMAN == 2)
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ft_fixup_clks(blob, "fman1", sysinfo.freqFMan[1]);
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#endif
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#ifdef CONFIG_SYS_DPAA_PME
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ft_fixup_clks(blob, "pme", sysinfo.freqPME);
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#endif
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}
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#else
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#define ft_fixup_dpaa_clks(x)
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#endif
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void ft_cpu_setup(void *blob, bd_t *bd)
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{
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int off;
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@ -360,4 +394,6 @@ void ft_cpu_setup(void *blob, bd_t *bd)
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#if defined(CONFIG_FSL_ESDHC)
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fdt_fixup_esdhc(blob, bd);
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#endif
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ft_fixup_dpaa_clks(blob);
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}
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