+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_ARC_ARCREGS_H
#define _ASM_ARC_ARCREGS_H
#include <asm/cache.h>
+#include <config.h>
/*
* ARC architecture has additional address space - auxiliary registers.
#define ARC_AUX_IDENTITY 0x04
#define ARC_AUX_STATUS32 0x0a
+/* STATUS32 Bits Positions */
+#define STATUS_AD_BIT 19 /* Enable unaligned access */
+
/* Instruction cache related auxiliary registers */
#define ARC_AUX_IC_IVIC 0x10
#define ARC_AUX_IC_CTRL 0x11
#define ARC_AUX_SLC_INVALIDATE 0x905
#define ARC_AUX_SLC_IVDL 0x910
#define ARC_AUX_SLC_FLDL 0x912
+#define ARC_AUX_SLC_RGN_START 0x914
+#define ARC_AUX_SLC_RGN_START1 0x915
+#define ARC_AUX_SLC_RGN_END 0x916
+#define ARC_AUX_SLC_RGN_END1 0x917
#define ARC_BCR_CLUSTER 0xcf
+/* MMU Management regs */
+#define ARC_AUX_MMU_BCR 0x06f
+
/* IO coherency related auxiliary registers */
#define ARC_AUX_IO_COH_ENABLE 0x500
#define ARC_AUX_IO_COH_PARTIAL 0x501
/* ARCNUM [15:8] - field to identify each core in a multi-core system */
#define CPU_ID_GET() ((read_aux_reg(ARC_AUX_IDENTITY) & 0xFF00) >> 8)
+
+static const inline int is_isa_arcv2(void)
+{
+ return IS_ENABLED(CONFIG_ISA_ARCV2);
+}
+
+static const inline int is_isa_arcompact(void)
+{
+ return IS_ENABLED(CONFIG_ISA_ARCOMPACT);
+}
#endif /* __ASSEMBLY__ */
#endif /* _ASM_ARC_ARCREGS_H */