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MIPS: Loongson: Modify ChipConfig register definition

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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>
This commit is contained in:
Huacai Chen
2014-06-26 11:41:27 +08:00
committed by Ralf Baechle
parent bda4584cd9
commit 140e39c1e3
7 changed files with 28 additions and 14 deletions
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7
arch/mips/include/asm/mach-loongson/loongson.h
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@@ -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 */