46 lines
1.2 KiB
Diff
46 lines
1.2 KiB
Diff
From e0bd3f1b16fbce1f0f7900a0dd624f9dc8a47f78 Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Wed, 24 Aug 2011 13:28:55 +0200
|
|
Subject: [PATCH 18/70] 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(-)
|
|
|
|
--- 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
|
|
--- 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)
|