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ARCv2: intc: Use ARC_REG_STATUS32 for addressing STATUS32 reg 

It is better to use it instead of magic numbers.

Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Yuriy Kolerov 2017-01-31 14:45:21 +03:00 committed by Vineet Gupta
parent cf16bf7779
commit e98a7bf0b0
2 changed files with 4 additions and 1 deletions
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3
arch/arc/include/asm/arcregs.h
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@ -38,6 +38,9 @@
#define ARC_REG_CLUSTER_BCR 0xcf
#define ARC_REG_AUX_ICCM 0x208 /* ICCM Base Addr (ARCv2) */
/* Common for ARCompact and ARCv2 status register */
#define ARC_REG_STATUS32 0x0A
/* status32 Bits Positions */
#define STATUS_AE_BIT 5 /* Exception active */
#define STATUS_DE_BIT 6 /* PC is in delay slot */

2
arch/arc/kernel/intc-arcv2.c
View File

@ -69,7 +69,7 @@ void arc_init_IRQ(void)
irq_bcr.firq ? " FIRQ (not used)":"");
/* setup status32, don't enable intr yet as kernel doesn't want */
tmp = read_aux_reg(0xa);
tmp = read_aux_reg(ARC_REG_STATUS32);
tmp |= STATUS_AD_MASK | (ARCV2_IRQ_DEF_PRIO << 1);
tmp &= ~STATUS_IE_MASK;
asm volatile("kflag %0 \n"::"r"(tmp));