summaryrefslogtreecommitdiff
path: root/arch/mips/loongson64/loongson-3/smp.h
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /arch/mips/loongson64/loongson-3/smp.h
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'arch/mips/loongson64/loongson-3/smp.h')
-rw-r--r--arch/mips/loongson64/loongson-3/smp.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/mips/loongson64/loongson-3/smp.h b/arch/mips/loongson64/loongson-3/smp.h
new file mode 100644
index 000000000..d98ff654b
--- /dev/null
+++ b/arch/mips/loongson64/loongson-3/smp.h
@@ -0,0 +1,30 @@
+#ifndef __LOONGSON_SMP_H_
+#define __LOONGSON_SMP_H_
+
+/* for Loongson-3 smp support */
+extern unsigned long long smp_group[4];
+
+/* 4 groups(nodes) in maximum in numa case */
+#define SMP_CORE_GROUP0_BASE (smp_group[0])
+#define SMP_CORE_GROUP1_BASE (smp_group[1])
+#define SMP_CORE_GROUP2_BASE (smp_group[2])
+#define SMP_CORE_GROUP3_BASE (smp_group[3])
+
+/* 4 cores in each group(node) */
+#define SMP_CORE0_OFFSET 0x000
+#define SMP_CORE1_OFFSET 0x100
+#define SMP_CORE2_OFFSET 0x200
+#define SMP_CORE3_OFFSET 0x300
+
+/* ipi registers offsets */
+#define STATUS0 0x00
+#define EN0 0x04
+#define SET0 0x08
+#define CLEAR0 0x0c
+#define STATUS1 0x10
+#define MASK1 0x14
+#define SET1 0x18
+#define CLEAR1 0x1c
+#define BUF 0x20
+
+#endif