Files
Linux_Drivers/linux_5.10/arch/mips/loongson64/smp.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

32 lines
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