[U-Boot] [PATCH 3/4] poweprc/85xx: add QMan frequency info and fdt fixup.
York Sun
yorksun at freescale.com
Thu Oct 11 19:13:39 CEST 2012
From: Haiying Wang <Haiying.Wang at freescale.com>
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 at freescale.com>
---
arch/powerpc/cpu/mpc85xx/cpu.c | 4 ++++
arch/powerpc/cpu/mpc85xx/fdt.c | 5 +++++
arch/powerpc/cpu/mpc85xx/speed.c | 4 ++++
include/e500.h | 3 +++
4 files changed, 16 insertions(+)
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c
index 24a572c..149040d 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 8bbf0bc..c55f1d3 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:
diff --git a/include/e500.h b/include/e500.h
index e1708b9..0ff8e89 100644
--- a/include/e500.h
+++ b/include/e500.h
@@ -18,6 +18,9 @@ typedef struct
#ifdef CONFIG_SYS_DPAA_FMAN
unsigned long freqFMan[CONFIG_SYS_NUM_FMAN];
#endif
+#ifdef CONFIG_SYS_DPAA_QBMAN
+ unsigned long freqQMAN;
+#endif
#ifdef CONFIG_SYS_DPAA_PME
unsigned long freqPME;
#endif
--
1.7.9.5
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