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-rw-r--r--target/linux/cns3xxx/patches-3.3/040-fiq_support.patch96
1 files changed, 96 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.3/040-fiq_support.patch b/target/linux/cns3xxx/patches-3.3/040-fiq_support.patch
new file mode 100644
index 0000000000..9680532fd8
--- /dev/null
+++ b/target/linux/cns3xxx/patches-3.3/040-fiq_support.patch
@@ -0,0 +1,96 @@
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -373,6 +373,7 @@ config ARCH_CNS3XXX
+ select MIGHT_HAVE_PCI
+ select PCI_DOMAINS if PCI
+ select HAVE_SMP
++ select FIQ
+ help
+ Support for Cavium Networks CNS3XXX platform.
+
+--- a/arch/arm/kernel/fiq.c
++++ b/arch/arm/kernel/fiq.c
+@@ -49,6 +49,8 @@
+
+ static unsigned long no_fiq_insn;
+
++unsigned int fiq_number[2] = {0, 0};
++
+ /* Default reacquire function
+ * - we always relinquish FIQ control
+ * - we always reacquire FIQ control
+@@ -70,9 +72,12 @@ static struct fiq_handler *current_fiq =
+
+ int show_fiq_list(struct seq_file *p, int prec)
+ {
+- if (current_fiq != &default_owner)
+- seq_printf(p, "%*s: %s\n", prec, "FIQ",
+- current_fiq->name);
++ if (current_fiq != &default_owner) {
++ seq_printf(p, "%*s: ", prec, "FIQ");
++ seq_printf(p, "%10u ", fiq_number[0]);
++ seq_printf(p, "%10u ", fiq_number[1]);
++ seq_printf(p, " %s\n", current_fiq->name);
++ }
+
+ return 0;
+ }
+--- a/arch/arm/kernel/smp.c
++++ b/arch/arm/kernel/smp.c
+@@ -400,13 +400,13 @@ void show_ipi_list(struct seq_file *p, i
+ unsigned int cpu, i;
+
+ for (i = 0; i < NR_IPI; i++) {
+- seq_printf(p, "%*s%u: ", prec - 1, "IPI", i);
++ seq_printf(p, "%*s%u:", prec - 1, "IPI", i);
+
+ for_each_present_cpu(cpu)
+ seq_printf(p, "%10u ",
+ __get_irq_stat(cpu, ipi_irqs[i]));
+
+- seq_printf(p, " %s\n", ipi_types[i]);
++ seq_printf(p, " %s\n", ipi_types[i]);
+ }
+ }
+
+--- a/arch/arm/mach-cns3xxx/Makefile
++++ b/arch/arm/mach-cns3xxx/Makefile
+@@ -1,6 +1,6 @@
+ obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o devices.o
+ obj-$(CONFIG_PCI) += pcie.o
+ obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
+-obj-$(CONFIG_SMP) += platsmp.o headsmp.o
++obj-$(CONFIG_SMP) += platsmp.o headsmp.o cns3xxx_fiq.o
+ obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
+ obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o
+--- a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
++++ b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
+@@ -294,6 +294,7 @@
+ #define MISC_PCIE_INT_MASK(x) MISC_MEM_MAP(0x978 + (x) * 0x100)
+ #define MISC_PCIE_INT_STATUS(x) MISC_MEM_MAP(0x97C + (x) * 0x100)
+
++#define MISC_FIQ_CPU(x) MISC_MEM_MAP(0xA58 - (x) * 0x4)
+ /*
+ * Power management and clock control
+ */
+--- a/arch/arm/mach-cns3xxx/include/mach/irqs.h
++++ b/arch/arm/mach-cns3xxx/include/mach/irqs.h
+@@ -14,6 +14,7 @@
+ #define IRQ_LOCALTIMER 29
+ #define IRQ_LOCALWDOG 30
+ #define IRQ_TC11MP_GIC_START 32
++#define FIQ_START 0
+
+ #include <mach/cns3xxx.h>
+
+--- a/arch/arm/mm/Kconfig
++++ b/arch/arm/mm/Kconfig
+@@ -793,7 +793,7 @@ config NEEDS_SYSCALL_FOR_CMPXCHG
+
+ config DMA_CACHE_RWFO
+ bool "Enable read/write for ownership DMA cache maintenance"
+- depends on CPU_V6K && SMP
++ depends on CPU_V6K && SMP && !ARCH_CNS3XXX
+ default y
+ help
+ The Snoop Control Unit on ARM11MPCore does not detect the