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| author | Huacai Chen | 2014-06-26 05:41:27 +0200 |
|---|---|---|
| committer | Ralf Baechle | 2014-07-30 21:46:00 +0200 |
| commit | 140e39c1e3d29f50e161f55cca60f60b80408c2a (patch) | |
| tree | cf4fc2a0a1896dd80667ead4382012c308ba73ca /arch/mips/include | |
| parent | MIPS: Support CPU topology files in sysfs (diff) | |
| download | kernel-qcow2-linux-140e39c1e3d29f50e161f55cca60f60b80408c2a.tar.gz kernel-qcow2-linux-140e39c1e3d29f50e161f55cca60f60b80408c2a.tar.xz kernel-qcow2-linux-140e39c1e3d29f50e161f55cca60f60b80408c2a.zip | |
MIPS: Loongson: Modify ChipConfig register definition
This patch is prepared for Multi-chip interconnection. Since each chip
has a ChipConfig register, LOONGSON_CHIPCFG should be an array.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/7185/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson/loongson.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h index f3fd1eb8e3dd..a1c76caa7436 100644 --- a/arch/mips/include/asm/mach-loongson/loongson.h +++ b/arch/mips/include/asm/mach-loongson/loongson.h @@ -249,8 +249,11 @@ static inline void do_perfcnt_IRQ(void) #define LOONGSON_PXARB_CFG LOONGSON_REG(LOONGSON_REGBASE + 0x68) #define LOONGSON_PXARB_STATUS LOONGSON_REG(LOONGSON_REGBASE + 0x6c) -/* Chip Config */ -#define LOONGSON_CHIPCFG0 LOONGSON_REG(LOONGSON_REGBASE + 0x80) +#define MAX_PACKAGES 4 + +/* Chip Config registor of each physical cpu package, PRid >= Loongson-2F */ +extern u64 loongson_chipcfg[MAX_PACKAGES]; +#define LOONGSON_CHIPCFG(id) (*(volatile u32 *)(loongson_chipcfg[id])) /* pcimap */ |