1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
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
|
