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| author | Felix Fietkau <nbd@openwrt.org> | 2013-03-09 18:51:46 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2013-03-09 18:51:46 +0000 |
| commit | 95f14d052a7439c60e35a6d910d6bd3de023907c (patch) | |
| tree | 83b1039c3c9d0ff8d8b842d1ec5fc4a392a3a7d2 /target/linux/cns3xxx/patches-3.8/040-fiq_support.patch | |
| parent | 85348d602e2c4b383fa0bec95fb97d9d79094743 (diff) | |
| download | upstream-95f14d052a7439c60e35a6d910d6bd3de023907c.tar.gz upstream-95f14d052a7439c60e35a6d910d6bd3de023907c.tar.bz2 upstream-95f14d052a7439c60e35a6d910d6bd3de023907c.zip | |
cns3xxx: add linux 3.8 support and use it by default
SVN-Revision: 35908
Diffstat (limited to 'target/linux/cns3xxx/patches-3.8/040-fiq_support.patch')
| -rw-r--r-- | target/linux/cns3xxx/patches-3.8/040-fiq_support.patch | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.8/040-fiq_support.patch b/target/linux/cns3xxx/patches-3.8/040-fiq_support.patch new file mode 100644 index 0000000000..9c662a5cd1 --- /dev/null +++ b/target/linux/cns3xxx/patches-3.8/040-fiq_support.patch @@ -0,0 +1,77 @@ +--- a/arch/arm/Kconfig ++++ b/arch/arm/Kconfig +@@ -368,6 +368,7 @@ config ARCH_CNS3XXX + select CLKDEV_LOOKUP + select CPU_CACHE_FORCE_MULTI + 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/mach-cns3xxx/Makefile ++++ b/arch/arm/mach-cns3xxx/Makefile +@@ -1,5 +1,5 @@ + 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 +--- 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 +@@ -773,7 +773,7 @@ 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 |