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85xx: Add support to set DPAA (data path) devices clock frequencies

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Set clock-frequency for Frame Manager 0/1 and Patter Match Engine on p4080.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2009-03-19 02:46:28 -05:00
parent 178e39e199
commit bcad21fda1
1 changed files with 36 additions and 0 deletions
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36
cpu/mpc85xx/fdt.c
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@ -297,6 +297,40 @@ void fdt_add_enet_stashing(void *fdt)
do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
}
#if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
static void ft_fixup_clks(void *blob, const char *alias, unsigned long freq)
{
const char *path = fdt_get_alias(blob, alias);
int off = fdt_path_offset(blob, path);
if (off >= 0) {
off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
if (off > 0)
printf("WARNING enable to set clock-frequency "
"for %s: %s\n", alias, fdt_strerror(off));
}
}
static void ft_fixup_dpaa_clks(void *blob)
{
sys_info_t sysinfo;
get_sys_info(&sysinfo);
ft_fixup_clks(blob, "fman0", sysinfo.freqFMan[0]);
#if (CONFIG_SYS_NUM_FMAN == 2)
ft_fixup_clks(blob, "fman1", sysinfo.freqFMan[1]);
#endif
#ifdef CONFIG_SYS_DPAA_PME
ft_fixup_clks(blob, "pme", sysinfo.freqPME);
#endif
}
#else
#define ft_fixup_dpaa_clks(x)
#endif
void ft_cpu_setup(void *blob, bd_t *bd)
{
int off;
@ -360,4 +394,6 @@ void ft_cpu_setup(void *blob, bd_t *bd)
#if defined(CONFIG_FSL_ESDHC)
fdt_fixup_esdhc(blob, bd);
#endif
ft_fixup_dpaa_clks(blob);
}