1 files changed, 116 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.2/0063-MIPS-lantiq-fixes-ar9-vr9-clock.patch b/target/linux/lantiq/patches-3.2/0063-MIPS-lantiq-fixes-ar9-vr9-clock.patch
new file mode 100644
index 0000000000..4a741608ac
--- /dev/null
+++ b/target/linux/lantiq/patches-3.2/0063-MIPS-lantiq-fixes-ar9-vr9-clock.patch
@@ -0,0 +1,116 @@
+From 449adc45e29be18da14b23e9ccd97ba5251ffcc9 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sat, 17 Mar 2012 09:58:07 +0100
+Subject: [PATCH 63/70] MIPS: lantiq: fixes ar9/vr9 clock
+
+---
+ arch/mips/lantiq/clk.h          |    4 +++-
+ arch/mips/lantiq/xway/clk.c     |   29 ++++++++++++++++++++++++-----
+ arch/mips/lantiq/xway/sysctrl.c |   13 ++++++++-----
+ 3 files changed, 35 insertions(+), 11 deletions(-)
+
+diff --git a/arch/mips/lantiq/clk.h b/arch/mips/lantiq/clk.h
+index b34e675..010dfa7 100644
+--- a/arch/mips/lantiq/clk.h
++++ b/arch/mips/lantiq/clk.h
+@@ -56,8 +56,10 @@ extern unsigned long ltq_danube_cpu_hz(void);
+ extern unsigned long ltq_danube_fpi_hz(void);
+ extern unsigned long ltq_danube_io_region_clock(void);
+ 
++extern unsigned long ltq_ar9_cpu_hz(void);
++extern unsigned long ltq_ar9_fpi_hz(void);
++
+ extern unsigned long ltq_vr9_cpu_hz(void);
+ extern unsigned long ltq_vr9_fpi_hz(void);
+-extern unsigned long ltq_vr9_io_region_clock(void);
+ 
+ #endif
+diff --git a/arch/mips/lantiq/xway/clk.c b/arch/mips/lantiq/xway/clk.c
+index 3635c9f..2bafc04 100644
+--- a/arch/mips/lantiq/xway/clk.c
++++ b/arch/mips/lantiq/xway/clk.c
+@@ -217,6 +217,30 @@ unsigned long ltq_danube_cpu_hz(void)
+ 	}
+ }
+ 
++unsigned long ltq_ar9_sys_hz(void)
++{
++	if (((ltq_cgu_r32(LTQ_CGU_SYS) >> 3) & 0x3) == 0x2)
++		return CLOCK_393M;
++	return CLOCK_333M;
++}
++
++unsigned long ltq_ar9_fpi_hz(void)
++{
++	unsigned long sys = ltq_ar9_sys_hz();
++
++	if (ltq_cgu_r32(LTQ_CGU_SYS) & BIT(0))
++		return sys;
++	return sys >> 1;
++}
++
++unsigned long ltq_ar9_cpu_hz(void)
++{
++	if (ltq_cgu_r32(LTQ_CGU_SYS) & BIT(2))
++		return ltq_ar9_fpi_hz();
++	else
++		return ltq_ar9_sys_hz();
++}
++
+ unsigned long ltq_danube_fpi_hz(void)
+ {
+ 	unsigned long ddr_clock = DDR_HZ;
+@@ -299,11 +323,6 @@ unsigned long ltq_vr9_fpi_hz(void)
+ 	return clk;
+ }
+ 
+-unsigned long ltq_vr9_io_region_clock(void)
+-{
+-	return ltq_vr9_fpi_hz();
+-}
+-
+ unsigned long ltq_vr9_fpi_bus_clock(int fpi)
+ {
+ 	return ltq_vr9_fpi_hz();
+diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
+index 9df048c..6771a7e 100644
+--- a/arch/mips/lantiq/xway/sysctrl.c
++++ b/arch/mips/lantiq/xway/sysctrl.c
+@@ -237,6 +237,8 @@ void __init ltq_soc_init(void)
+         clkdev_add_pmu("ltq_ebu", NULL, 0, PMU_EBU);
+ 	if (!ltq_is_vr9())
+ 		clkdev_add_pmu("ltq_etop", NULL, 0, PMU_PPE);
++	if (!ltq_is_ase())
++		clkdev_add_pci();
+ 	if (ltq_is_ase()) {
+ 		if (ltq_cgu_r32(CGU_SYS) & (1 << 5))
+ 			clkdev_add_static(CLOCK_266M, CLOCK_133M, CLOCK_133M);
+@@ -246,7 +248,7 @@ void __init ltq_soc_init(void)
+ 		clkdev_add_pmu("ltq_etop", "ephy", 0, PMU_EPHY);
+ 	} else if (ltq_is_vr9()) {
+ 		clkdev_add_static(ltq_vr9_cpu_hz(), ltq_vr9_fpi_hz(),
+-					ltq_vr9_io_region_clock());
++			ltq_vr9_fpi_hz());
+ 		clkdev_add_pmu("ltq_pcie", "phy", 1, PMU1_PCIE_PHY);
+ 		clkdev_add_pmu("ltq_pcie", "bus", 0, PMU_PCIE_CLK);
+ 		clkdev_add_pmu("ltq_pcie", "msi", 1, PMU1_PCIE_MSI);
+@@ -259,11 +261,12 @@ void __init ltq_soc_init(void)
+ 			PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM |
+ 			PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 |
+ 			PMU_PPE_QSB);
++	} else if (ltq_is_ar9()) {
++		clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(),
++			ltq_ar9_fpi_hz());
++		clkdev_add_pmu("ltq_etop", "switch", 0, PMU_SWITCH);
+ 	} else {
+ 		clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(),
+-					ltq_danube_io_region_clock());
+-		clkdev_add_pci();
+-		if (ltq_is_ar9())
+-			clkdev_add_pmu("ltq_etop", "switch", 0, PMU_SWITCH);
++			ltq_danube_io_region_clock());
+ 	}
+ }
+-- 
+1.7.7.1
+