diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.2/0017-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.2/0017-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.2/0017-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch b/target/linux/lantiq/patches-3.2/0017-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch new file mode 100644 index 0000000000..3c64a4196d --- /dev/null +++ b/target/linux/lantiq/patches-3.2/0017-MIPS-lantiq-enable-oprofile-support-on-lantiq-target.patch @@ -0,0 +1,53 @@ +From 476a5cd7924926236c2356654da639fea90a8fea Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Wed, 24 Aug 2011 13:28:55 +0200 +Subject: [PATCH 17/73] MIPS: lantiq: enable oprofile support on lantiq + targets + +This patch sets the performance counters irq and HAVE_OPROFILE flag for Lantiq +SoCs. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/Kconfig | 1 + + arch/mips/lantiq/irq.c | 5 +++++ + 2 files changed, 6 insertions(+), 0 deletions(-) + +diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig +index d46f1da..c1ceadb 100644 +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -226,6 +226,7 @@ config LANTIQ + select SWAP_IO_SPACE + select BOOT_RAW + select HAVE_CLK ++ select HAVE_OPROFILE + select MIPS_MACHINE + + config LASAT +diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c +index 17c057f..0b2ed87 100644 +--- a/arch/mips/lantiq/irq.c ++++ b/arch/mips/lantiq/irq.c +@@ -40,6 +40,9 @@ + + #define MAX_EIU 6 + ++/* the performance counter */ ++#define LTQ_PERF_IRQ (INT_NUM_IM4_IRL0 + 31) ++ + /* irqs generated by device attached to the EBU need to be acked in + * a special manner + */ +@@ -318,6 +321,8 @@ void __init arch_init_irq(void) + set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 | + IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5); + #endif ++ ++ cp0_perfcount_irq = LTQ_PERF_IRQ; + } + + unsigned int __cpuinit get_c0_compare_int(void) +-- +1.7.9.1 + |