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authorHaiying Wang <Haiying.Wang@freescale.com>2012-10-11 07:13:39 +0000
committerAndy Fleming <afleming@freescale.com>2012-10-22 15:52:46 -0500
commit990e1a8ce1415b9010faccd1402d499e203ea2fb (patch)
treea27997d39b08cbca7cd1dd1799619ce6521e7d51 /arch/powerpc
parentb0e8115741cbba252e64f3b4e81799de57248a26 (diff)
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poweprc/85xx: add QMan frequency info and fdt fixup.
Starting from QMan3.0, the QMan clock cycle needs be exposed so that the kernel driver can use it to calculate the shaper prescaler and rate. Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/cpu/mpc85xx/cpu.c4
-rw-r--r--arch/powerpc/cpu/mpc85xx/fdt.c5
-rw-r--r--arch/powerpc/cpu/mpc85xx/speed.c4
3 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c
index 892bfa4..db232e6 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu.c
@@ -217,6 +217,10 @@ int checkcpu (void)
}
#endif
+#ifdef CONFIG_SYS_DPAA_QBMAN
+ printf(" QMAN: %s MHz\n", strmhz(buf1, sysinfo.freqQMAN));
+#endif
+
#ifdef CONFIG_SYS_DPAA_PME
printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freqPME));
#endif
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index a364ef2..ab09330 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -411,6 +411,11 @@ static void ft_fixup_dpaa_clks(void *blob)
#endif
#endif
+#ifdef CONFIG_SYS_DPAA_QBMAN
+ do_fixup_by_compat_u32(blob, "fsl,qman",
+ "clock-frequency", sysinfo.freqQMAN, 1);
+#endif
+
#ifdef CONFIG_SYS_DPAA_PME
do_fixup_by_compat_u32(blob, "fsl,pme",
"clock-frequency", sysinfo.freqPME, 1);
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c
index 8a8f317..801ee07 100644
--- a/arch/powerpc/cpu/mpc85xx/speed.c
+++ b/arch/powerpc/cpu/mpc85xx/speed.c
@@ -167,6 +167,10 @@ void get_sys_info (sys_info_t * sysInfo)
}
#endif
+#ifdef CONFIG_SYS_DPAA_QBMAN
+ sysInfo->freqQMAN = sysInfo->freqSystemBus / 2;
+#endif
+
#ifdef CONFIG_SYS_DPAA_FMAN
switch ((rcw_tmp & FM1_CLK_SEL) >> FM1_CLK_SHIFT) {
case 1: