linux-stable/arch/mips/loongson64/smp.h
Jiaxun Yang 6fbde6b492
MIPS: Loongson64: Move files to the top-level directory
Current Loongson-3 code can share among all Loongson64 processors.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: chenhc@lemote.com
Cc: paul.burton@mips.com
2019-11-01 14:31:28 -07:00

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786 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#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