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-rw-r--r--arch/arm/mach-mvebu/Makefile10
-rw-r--r--arch/arm/mach-mvebu/coherency.c23
2 files changed, 17 insertions, 16 deletions
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index ecf9e0c3b107..e53c6cfcab51 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -7,9 +7,15 @@ CFLAGS_pmsu.o := -march=armv7-a
obj-$(CONFIG_MACH_MVEBU_ANY) += system-controller.o mvebu-soc-id.o
ifeq ($(CONFIG_MACH_MVEBU_V7),y)
-obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o pmsu_ll.o pm.o pm-board.o
+obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o pmsu_ll.o
+
+obj-$(CONFIG_PM) += pm.o pm-board.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o platsmp-a9.o headsmp-a9.o
endif
obj-$(CONFIG_MACH_DOVE) += dove.o
-obj-$(CONFIG_MACH_KIRKWOOD) += kirkwood.o kirkwood-pm.o
+
+ifeq ($(CONFIG_MACH_KIRKWOOD),y)
+obj-y += kirkwood.o
+obj-$(CONFIG_PM) += kirkwood-pm.o
+endif
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 7e989d61159c..e80f0dde2189 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -162,22 +162,16 @@ exit:
}
/*
- * This ioremap hook is used on Armada 375/38x to ensure that PCIe
- * memory areas are mapped as MT_UNCACHED instead of MT_DEVICE. This
- * is needed as a workaround for a deadlock issue between the PCIe
- * interface and the cache controller.
+ * This ioremap hook is used on Armada 375/38x to ensure that all MMIO
+ * areas are mapped as MT_UNCACHED instead of MT_DEVICE. This is
+ * needed for the HW I/O coherency mechanism to work properly without
+ * deadlock.
*/
static void __iomem *
-armada_pcie_wa_ioremap_caller(phys_addr_t phys_addr, size_t size,
- unsigned int mtype, void *caller)
+armada_wa_ioremap_caller(phys_addr_t phys_addr, size_t size,
+ unsigned int mtype, void *caller)
{
- struct resource pcie_mem;
-
- mvebu_mbus_get_pcie_mem_aperture(&pcie_mem);
-
- if (pcie_mem.start <= phys_addr && (phys_addr + size) <= pcie_mem.end)
- mtype = MT_UNCACHED;
-
+ mtype = MT_UNCACHED;
return __arm_ioremap_caller(phys_addr, size, mtype, caller);
}
@@ -186,7 +180,8 @@ static void __init armada_375_380_coherency_init(struct device_node *np)
struct device_node *cache_dn;
coherency_cpu_base = of_iomap(np, 0);
- arch_ioremap_caller = armada_pcie_wa_ioremap_caller;
+ arch_ioremap_caller = armada_wa_ioremap_caller;
+ pci_ioremap_set_mem_type(MT_UNCACHED);
/*
* We should switch the PL310 to I/O coherency mode only if