[linux-2.6-block.git] / arch / arc / include / asm / arcregs.h

/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _ASM_ARC_ARCREGS_H
#define _ASM_ARC_ARCREGS_H

/* Build Configuration Registers */
#define ARC_REG_DCCMBASE_BCR	0x61	/* DCCM Base Addr */
#define ARC_REG_CRC_BCR		0x62
#define ARC_REG_VECBASE_BCR	0x68
#define ARC_REG_PERIBASE_BCR	0x69
#define ARC_REG_FP_BCR		0x6B	/* ARCompact: Single-Precision FPU */
#define ARC_REG_DPFP_BCR	0x6C	/* ARCompact: Dbl Precision FPU */
#define ARC_REG_DCCM_BCR	0x74	/* DCCM Present + SZ */
#define ARC_REG_TIMERS_BCR	0x75
#define ARC_REG_AP_BCR		0x76
#define ARC_REG_ICCM_BCR	0x78
#define ARC_REG_XY_MEM_BCR	0x79
#define ARC_REG_MAC_BCR		0x7a
#define ARC_REG_MUL_BCR		0x7b
#define ARC_REG_SWAP_BCR	0x7c
#define ARC_REG_NORM_BCR	0x7d
#define ARC_REG_MIXMAX_BCR	0x7e
#define ARC_REG_BARREL_BCR	0x7f
#define ARC_REG_D_UNCACH_BCR	0x6A
#define ARC_REG_BPU_BCR		0xc0
#define ARC_REG_ISA_CFG_BCR	0xc1
#define ARC_REG_SMART_BCR	0xFF

/* status32 Bits Positions */
#define STATUS_AE_BIT		5	/* Exception active */
#define STATUS_DE_BIT		6	/* PC is in delay slot */
#define STATUS_U_BIT		7	/* User/Kernel mode */
#define STATUS_L_BIT		12	/* Loop inhibit */

/* These masks correspond to the status word(STATUS_32) bits */
#define STATUS_AE_MASK		(1<<STATUS_AE_BIT)
#define STATUS_DE_MASK		(1<<STATUS_DE_BIT)
#define STATUS_U_MASK		(1<<STATUS_U_BIT)
#define STATUS_L_MASK		(1<<STATUS_L_BIT)

/*
 * ECR: Exception Cause Reg bits-n-pieces
 * [23:16] = Exception Vector
 * [15: 8] = Exception Cause Code
 * [ 7: 0] = Exception Parameters (for certain types only)
 */
#define ECR_V_MEM_ERR			0x01
#define ECR_V_INSN_ERR			0x02
#define ECR_V_MACH_CHK			0x20
#define ECR_V_ITLB_MISS			0x21
#define ECR_V_DTLB_MISS			0x22
#define ECR_V_PROTV			0x23
#define ECR_V_TRAP			0x25

/* DTLB Miss and Protection Violation Cause Codes */

#define ECR_C_PROTV_INST_FETCH		0x00
#define ECR_C_PROTV_LOAD		0x01
#define ECR_C_PROTV_STORE		0x02
#define ECR_C_PROTV_XCHG		0x03
#define ECR_C_PROTV_MISALIG_DATA	0x04

#define ECR_C_BIT_PROTV_MISALIG_DATA	10

/* Machine Check Cause Code Values */
#define ECR_C_MCHK_DUP_TLB		0x01

/* DTLB Miss Exception Cause Code Values */
#define ECR_C_BIT_DTLB_LD_MISS		8
#define ECR_C_BIT_DTLB_ST_MISS		9

/* Dummy ECR values for Interrupts */
#define event_IRQ1		0x0031abcd
#define event_IRQ2		0x0032abcd

/* Auxiliary registers */
#define AUX_IDENTITY		4
#define AUX_INTR_VEC_BASE	0x25


/*
 * Floating Pt Registers
 * Status regs are read-only (build-time) so need not be saved/restored
 */
#define ARC_AUX_FP_STAT         0x300
#define ARC_AUX_DPFP_1L         0x301
#define ARC_AUX_DPFP_1H         0x302
#define ARC_AUX_DPFP_2L         0x303
#define ARC_AUX_DPFP_2H         0x304
#define ARC_AUX_DPFP_STAT       0x305

#ifndef __ASSEMBLY__

/*
 ******************************************************************
 *      Inline ASM macros to read/write AUX Regs
 *      Essentially invocation of lr/sr insns from "C"
 */

#if 1

#define read_aux_reg(reg)	__builtin_arc_lr(reg)

/* gcc builtin sr needs reg param to be long immediate */
#define write_aux_reg(reg_immed, val)		\
		__builtin_arc_sr((unsigned int)val, reg_immed)

#else

#define read_aux_reg(reg)		\
({					\
	unsigned int __ret;		\
	__asm__ __volatile__(		\
	"	lr    %0, [%1]"		\
	: "=r"(__ret)			\
	: "i"(reg));			\
	__ret;				\
})

/*
 * Aux Reg address is specified as long immediate by caller
 * e.g.
 *    write_aux_reg(0x69, some_val);
 * This generates tightest code.
 */
#define write_aux_reg(reg_imm, val)	\
({					\
	__asm__ __volatile__(		\
	"	sr   %0, [%1]	\n"	\
	:				\
	: "ir"(val), "i"(reg_imm));	\
})

/*
 * Aux Reg address is specified in a variable
 *  * e.g.
 *      reg_num = 0x69
 *      write_aux_reg2(reg_num, some_val);
 * This has to generate glue code to load the reg num from
 *  memory to a reg hence not recommended.
 */
#define write_aux_reg2(reg_in_var, val)		\
({						\
	unsigned int tmp;			\
						\
	__asm__ __volatile__(			\
	"	ld   %0, [%2]	\n\t"		\
	"	sr   %1, [%0]	\n\t"		\
	: "=&r"(tmp)				\
	: "r"(val), "memory"(&reg_in_var));	\
})

#endif

#define READ_BCR(reg, into)				\
{							\
	unsigned int tmp;				\
	tmp = read_aux_reg(reg);			\
	if (sizeof(tmp) == sizeof(into)) {		\
		into = *((typeof(into) *)&tmp);		\
	} else {					\
		extern void bogus_undefined(void);	\
		bogus_undefined();			\
	}						\
}

#define WRITE_AUX(reg, into)				\
{							\
	unsigned int tmp;				\
	if (sizeof(tmp) == sizeof(into)) {		\
		tmp = (*(unsigned int *)&(into));	\
		write_aux_reg(reg, tmp);		\
	} else  {					\
		extern void bogus_undefined(void);	\
		bogus_undefined();			\
	}						\
}

/* Helpers */
#define TO_KB(bytes)		((bytes) >> 10)
#define TO_MB(bytes)		(TO_KB(bytes) >> 10)
#define PAGES_TO_KB(n_pages)	((n_pages) << (PAGE_SHIFT - 10))
#define PAGES_TO_MB(n_pages)	(PAGES_TO_KB(n_pages) >> 10)


/*
 ***************************************************************
 * Build Configuration Registers, with encoded hardware config
 */
struct bcr_identity {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int chip_id:16, cpu_id:8, family:8;
#else
	unsigned int family:8, cpu_id:8, chip_id:16;
#endif
};

struct bcr_isa {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int pad1:23, atomic1:1, ver:8;
#else
	unsigned int ver:8, atomic1:1, pad1:23;
#endif
};

struct bcr_mpy {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int pad:8, x1616:8, dsp:4, cycles:2, type:2, ver:8;
#else
	unsigned int ver:8, type:2, cycles:2, dsp:4, x1616:8, pad:8;
#endif
};

struct bcr_extn_xymem {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int ram_org:2, num_banks:4, bank_sz:4, ver:8;
#else
	unsigned int ver:8, bank_sz:4, num_banks:4, ram_org:2;
#endif
};

struct bcr_perip {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int start:8, pad2:8, sz:8, pad:8;
#else
	unsigned int pad:8, sz:8, pad2:8, start:8;
#endif
};

struct bcr_iccm {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int base:16, pad:5, sz:3, ver:8;
#else
	unsigned int ver:8, sz:3, pad:5, base:16;
#endif
};

/* DCCM Base Address Register: ARC_REG_DCCMBASE_BCR */
struct bcr_dccm_base {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int addr:24, ver:8;
#else
	unsigned int ver:8, addr:24;
#endif
};

/* DCCM RAM Configuration Register: ARC_REG_DCCM_BCR */
struct bcr_dccm {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int res:21, sz:3, ver:8;
#else
	unsigned int ver:8, sz:3, res:21;
#endif
};

/* ARCompact: Both SP and DP FPU BCRs have same format */
struct bcr_fp_arcompact {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int fast:1, ver:8;
#else
	unsigned int ver:8, fast:1;
#endif
};

struct bcr_timer {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int pad2:15, rtsc:1, pad1:6, t1:1, t0:1, ver:8;
#else
	unsigned int ver:8, t0:1, t1:1, pad1:6, rtsc:1, pad2:15;
#endif
};

struct bcr_bpu_arcompact {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int pad2:19, fam:1, pad:2, ent:2, ver:8;
#else
	unsigned int ver:8, ent:2, pad:2, fam:1, pad2:19;
#endif
};

struct bcr_generic {
#ifdef CONFIG_CPU_BIG_ENDIAN
	unsigned int pad:24, ver:8;
#else
	unsigned int ver:8, pad:24;
#endif
};

/*
 *******************************************************************
 * Generic structures to hold build configuration used at runtime
 */

struct cpuinfo_arc_mmu {
	unsigned int ver, pg_sz, sets, ways, u_dtlb, u_itlb, num_tlb;
};

struct cpuinfo_arc_cache {
	unsigned int sz_k:8, line_len:8, assoc:4, ver:4, alias:1, vipt:1, pad:6;
};

struct cpuinfo_arc_bpu {
	unsigned int ver, full, num_cache, num_pred;
};

struct cpuinfo_arc_ccm {
	unsigned int base_addr, sz;
};

struct cpuinfo_arc {
	struct cpuinfo_arc_cache icache, dcache;
	struct cpuinfo_arc_mmu mmu;
	struct cpuinfo_arc_bpu bpu;
	struct bcr_identity core;
	struct bcr_isa isa;
	struct bcr_timer timers;
	unsigned int vec_base;
	unsigned int uncached_base;
	struct cpuinfo_arc_ccm iccm, dccm;
	struct {
		unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, pad1:3,
			     fpu_sp:1, fpu_dp:1, pad2:6,
			     debug:1, ap:1, smart:1, rtt:1, pad3:4,
			     pad4:8;
	} extn;
	struct bcr_mpy extn_mpy;
	struct bcr_extn_xymem extn_xymem;
};

extern struct cpuinfo_arc cpuinfo_arc700[];

#endif /* __ASEMBLY__ */

#endif /* _ASM_ARC_ARCREGS_H */
Commit	Line	Data
ac4c244d VG	1	/*
	2	* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*/
	8
	9	#ifndef _ASM_ARC_ARCREGS_H
	10	#define _ASM_ARC_ARCREGS_H
	11
bacdf480	12	/* Build Configuration Registers */
af617428 VG	13	#define ARC_REG_DCCMBASE_BCR 0x61 /* DCCM Base Addr */
af617428 VG	14	#define ARC_REG_CRC_BCR 0x62
bacdf480	15	#define ARC_REG_VECBASE_BCR 0x68
af617428	16	#define ARC_REG_PERIBASE_BCR 0x69
56372082 VG	17	#define ARC_REG_FP_BCR 0x6B /* ARCompact: Single-Precision FPU */
56372082 VG	18	#define ARC_REG_DPFP_BCR 0x6C /* ARCompact: Dbl Precision FPU */
af617428 VG	19	#define ARC_REG_DCCM_BCR 0x74 /* DCCM Present + SZ */
af617428 VG	20	#define ARC_REG_TIMERS_BCR 0x75
56372082	21	#define ARC_REG_AP_BCR 0x76
af617428 VG	22	#define ARC_REG_ICCM_BCR 0x78
	23	#define ARC_REG_XY_MEM_BCR 0x79
	24	#define ARC_REG_MAC_BCR 0x7a
	25	#define ARC_REG_MUL_BCR 0x7b
	26	#define ARC_REG_SWAP_BCR 0x7c
	27	#define ARC_REG_NORM_BCR 0x7d
	28	#define ARC_REG_MIXMAX_BCR 0x7e
	29	#define ARC_REG_BARREL_BCR 0x7f
	30	#define ARC_REG_D_UNCACH_BCR 0x6A
56372082 VG	31	#define ARC_REG_BPU_BCR 0xc0
	32	#define ARC_REG_ISA_CFG_BCR 0xc1
	33	#define ARC_REG_SMART_BCR 0xFF
bacdf480	34
ac4c244d	35	/* status32 Bits Positions */
ac4c244d VG	36	#define STATUS_AE_BIT 5 /* Exception active */
	37	#define STATUS_DE_BIT 6 /* PC is in delay slot */
	38	#define STATUS_U_BIT 7 /* User/Kernel mode */
	39	#define STATUS_L_BIT 12 /* Loop inhibit */
	40
	41	/* These masks correspond to the status word(STATUS_32) bits */
ac4c244d VG	42	#define STATUS_AE_MASK (1<<STATUS_AE_BIT)
	43	#define STATUS_DE_MASK (1<<STATUS_DE_BIT)
	44	#define STATUS_U_MASK (1<<STATUS_U_BIT)
	45	#define STATUS_L_MASK (1<<STATUS_L_BIT)
	46
cc562d2e VG	47	/*
	48	* ECR: Exception Cause Reg bits-n-pieces
	49	* [23:16] = Exception Vector
	50	* [15: 8] = Exception Cause Code
	51	* [ 7: 0] = Exception Parameters (for certain types only)
	52	*/
dc9e234f	53	#define ECR_V_MEM_ERR 0x01
cc562d2e VG	54	#define ECR_V_INSN_ERR 0x02
	55	#define ECR_V_MACH_CHK 0x20
	56	#define ECR_V_ITLB_MISS 0x21
	57	#define ECR_V_DTLB_MISS 0x22
	58	#define ECR_V_PROTV 0x23
502a0c77	59	#define ECR_V_TRAP 0x25
cc562d2e	60
dc9e234f VG	61	/* DTLB Miss and Protection Violation Cause Codes */
dc9e234f VG	62
cc562d2e VG	63	#define ECR_C_PROTV_INST_FETCH 0x00
	64	#define ECR_C_PROTV_LOAD 0x01
	65	#define ECR_C_PROTV_STORE 0x02
	66	#define ECR_C_PROTV_XCHG 0x03
	67	#define ECR_C_PROTV_MISALIG_DATA 0x04
	68
1898a959 VG	69	#define ECR_C_BIT_PROTV_MISALIG_DATA 10
	70
	71	/* Machine Check Cause Code Values */
	72	#define ECR_C_MCHK_DUP_TLB 0x01
	73
cc562d2e VG	74	/* DTLB Miss Exception Cause Code Values */
	75	#define ECR_C_BIT_DTLB_LD_MISS 8
	76	#define ECR_C_BIT_DTLB_ST_MISS 9
	77
502a0c77 VG	78	/* Dummy ECR values for Interrupts */
	79	#define event_IRQ1 0x0031abcd
	80	#define event_IRQ2 0x0032abcd
cc562d2e	81
ac4c244d VG	82	/* Auxiliary registers */
	83	#define AUX_IDENTITY 4
	84	#define AUX_INTR_VEC_BASE 0x25
95d6976d	85
f1f3347d	86
bf90e1ea VG	87	/*
	88	* Floating Pt Registers
	89	* Status regs are read-only (build-time) so need not be saved/restored
	90	*/
	91	#define ARC_AUX_FP_STAT 0x300
	92	#define ARC_AUX_DPFP_1L 0x301
	93	#define ARC_AUX_DPFP_1H 0x302
	94	#define ARC_AUX_DPFP_2L 0x303
	95	#define ARC_AUX_DPFP_2H 0x304
	96	#define ARC_AUX_DPFP_STAT 0x305
	97
ac4c244d VG	98	#ifndef __ASSEMBLY__
	99
	100	/*
	101	******************************************************************
	102	* Inline ASM macros to read/write AUX Regs
	103	* Essentially invocation of lr/sr insns from "C"
	104	*/
	105
	106	#if 1
	107
	108	#define read_aux_reg(reg) __builtin_arc_lr(reg)
	109
	110	/* gcc builtin sr needs reg param to be long immediate */
	111	#define write_aux_reg(reg_immed, val) \
	112	__builtin_arc_sr((unsigned int)val, reg_immed)
	113
	114	#else
	115
	116	#define read_aux_reg(reg) \
	117	({ \
	118	unsigned int __ret; \
	119	__asm__ __volatile__( \
	120	" lr %0, [%1]" \
	121	: "=r"(__ret) \
	122	: "i"(reg)); \
	123	__ret; \
	124	})
	125
	126	/*
	127	* Aux Reg address is specified as long immediate by caller
	128	* e.g.
	129	* write_aux_reg(0x69, some_val);
	130	* This generates tightest code.
	131	*/
	132	#define write_aux_reg(reg_imm, val) \
	133	({ \
	134	__asm__ __volatile__( \
	135	" sr %0, [%1] \n" \
	136	: \
	137	: "ir"(val), "i"(reg_imm)); \
	138	})
	139
	140	/*
	141	* Aux Reg address is specified in a variable
	142	* * e.g.
	143	* reg_num = 0x69
	144	* write_aux_reg2(reg_num, some_val);
	145	* This has to generate glue code to load the reg num from
	146	* memory to a reg hence not recommended.
	147	*/
	148	#define write_aux_reg2(reg_in_var, val) \
	149	({ \
	150	unsigned int tmp; \
	151	\
	152	__asm__ __volatile__( \
	153	" ld %0, [%2] \n\t" \
	154	" sr %1, [%0] \n\t" \
	155	: "=&r"(tmp) \
	156	: "r"(val), "memory"(&reg_in_var)); \
	157	})
	158
	159	#endif
	160
95d6976d VG	161	#define READ_BCR(reg, into) \
	162	{ \
	163	unsigned int tmp; \
	164	tmp = read_aux_reg(reg); \
	165	if (sizeof(tmp) == sizeof(into)) { \
	166	into = ((typeof(into) )&tmp); \
	167	} else { \
	168	extern void bogus_undefined(void); \
	169	bogus_undefined(); \
	170	} \
	171	}
	172
1425d5e7	173	#define WRITE_AUX(reg, into) \
95d6976d VG	174	{ \
	175	unsigned int tmp; \
	176	if (sizeof(tmp) == sizeof(into)) { \
1425d5e7	177	tmp = ((unsigned int )&(into)); \
95d6976d VG	178	write_aux_reg(reg, tmp); \
	179	} else { \
	180	extern void bogus_undefined(void); \
	181	bogus_undefined(); \
	182	} \
	183	}
	184
c121c506 VG	185	/* Helpers */
	186	#define TO_KB(bytes) ((bytes) >> 10)
	187	#define TO_MB(bytes) (TO_KB(bytes) >> 10)
	188	#define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10))
	189	#define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10)
95d6976d	190
bf90e1ea	191
95d6976d VG	192	/*
	193	***************************************************************
	194	* Build Configuration Registers, with encoded hardware config
	195	*/
af617428 VG	196	struct bcr_identity {
	197	#ifdef CONFIG_CPU_BIG_ENDIAN
	198	unsigned int chip_id:16, cpu_id:8, family:8;
	199	#else
	200	unsigned int family:8, cpu_id:8, chip_id:16;
	201	#endif
	202	};
95d6976d	203
56372082	204	struct bcr_isa {
af617428	205	#ifdef CONFIG_CPU_BIG_ENDIAN
56372082	206	unsigned int pad1:23, atomic1:1, ver:8;
af617428	207	#else
56372082	208	unsigned int ver:8, atomic1:1, pad1:23;
af617428 VG	209	#endif
	210	};
	211
56372082	212	struct bcr_mpy {
af617428	213	#ifdef CONFIG_CPU_BIG_ENDIAN
56372082	214	unsigned int pad:8, x1616:8, dsp:4, cycles:2, type:2, ver:8;
af617428	215	#else
56372082	216	unsigned int ver:8, type:2, cycles:2, dsp:4, x1616:8, pad:8;
af617428 VG	217	#endif
	218	};
	219
	220	struct bcr_extn_xymem {
	221	#ifdef CONFIG_CPU_BIG_ENDIAN
	222	unsigned int ram_org:2, num_banks:4, bank_sz:4, ver:8;
	223	#else
	224	unsigned int ver:8, bank_sz:4, num_banks:4, ram_org:2;
	225	#endif
	226	};
	227
af617428 VG	228	struct bcr_perip {
	229	#ifdef CONFIG_CPU_BIG_ENDIAN
	230	unsigned int start:8, pad2:8, sz:8, pad:8;
	231	#else
	232	unsigned int pad:8, sz:8, pad2:8, start:8;
	233	#endif
	234	};
56372082	235
af617428 VG	236	struct bcr_iccm {
	237	#ifdef CONFIG_CPU_BIG_ENDIAN
	238	unsigned int base:16, pad:5, sz:3, ver:8;
	239	#else
	240	unsigned int ver:8, sz:3, pad:5, base:16;
	241	#endif
	242	};
	243
	244	/* DCCM Base Address Register: ARC_REG_DCCMBASE_BCR */
	245	struct bcr_dccm_base {
	246	#ifdef CONFIG_CPU_BIG_ENDIAN
	247	unsigned int addr:24, ver:8;
	248	#else
	249	unsigned int ver:8, addr:24;
	250	#endif
	251	};
	252
	253	/* DCCM RAM Configuration Register: ARC_REG_DCCM_BCR */
	254	struct bcr_dccm {
	255	#ifdef CONFIG_CPU_BIG_ENDIAN
	256	unsigned int res:21, sz:3, ver:8;
	257	#else
	258	unsigned int ver:8, sz:3, res:21;
	259	#endif
	260	};
	261
56372082 VG	262	/* ARCompact: Both SP and DP FPU BCRs have same format */
56372082 VG	263	struct bcr_fp_arcompact {
af617428 VG	264	#ifdef CONFIG_CPU_BIG_ENDIAN
	265	unsigned int fast:1, ver:8;
	266	#else
	267	unsigned int ver:8, fast:1;
	268	#endif
	269	};
	270
56372082 VG	271	struct bcr_timer {
	272	#ifdef CONFIG_CPU_BIG_ENDIAN
	273	unsigned int pad2:15, rtsc:1, pad1:6, t1:1, t0:1, ver:8;
	274	#else
	275	unsigned int ver:8, t0:1, t1:1, pad1:6, rtsc:1, pad2:15;
	276	#endif
	277	};
	278
	279	struct bcr_bpu_arcompact {
	280	#ifdef CONFIG_CPU_BIG_ENDIAN
	281	unsigned int pad2:19, fam:1, pad:2, ent:2, ver:8;
	282	#else
	283	unsigned int ver:8, ent:2, pad:2, fam:1, pad2:19;
	284	#endif
	285	};
	286
	287	struct bcr_generic {
	288	#ifdef CONFIG_CPU_BIG_ENDIAN
	289	unsigned int pad:24, ver:8;
	290	#else
	291	unsigned int ver:8, pad:24;
	292	#endif
	293	};
	294
95d6976d VG	295	/*
	296	*******************************************************************
	297	* Generic structures to hold build configuration used at runtime
	298	*/
	299
cc562d2e VG	300	struct cpuinfo_arc_mmu {
	301	unsigned int ver, pg_sz, sets, ways, u_dtlb, u_itlb, num_tlb;
	302	};
	303
95d6976d	304	struct cpuinfo_arc_cache {
da40ff48	305	unsigned int sz_k:8, line_len:8, assoc:4, ver:4, alias:1, vipt:1, pad:6;
95d6976d VG	306	};
95d6976d VG	307
56372082 VG	308	struct cpuinfo_arc_bpu {
	309	unsigned int ver, full, num_cache, num_pred;
	310	};
	311
af617428 VG	312	struct cpuinfo_arc_ccm {
	313	unsigned int base_addr, sz;
	314	};
	315
95d6976d VG	316	struct cpuinfo_arc {
95d6976d VG	317	struct cpuinfo_arc_cache icache, dcache;
cc562d2e	318	struct cpuinfo_arc_mmu mmu;
56372082	319	struct cpuinfo_arc_bpu bpu;
af617428	320	struct bcr_identity core;
56372082 VG	321	struct bcr_isa isa;
56372082 VG	322	struct bcr_timer timers;
af617428 VG	323	unsigned int vec_base;
	324	unsigned int uncached_base;
	325	struct cpuinfo_arc_ccm iccm, dccm;
56372082 VG	326	struct {
	327	unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, pad1:3,
	328	fpu_sp:1, fpu_dp:1, pad2:6,
	329	debug:1, ap:1, smart:1, rtt:1, pad3:4,
	330	pad4:8;
	331	} extn;
	332	struct bcr_mpy extn_mpy;
af617428	333	struct bcr_extn_xymem extn_xymem;
95d6976d VG	334	};
	335
	336	extern struct cpuinfo_arc cpuinfo_arc700[];
	337
ac4c244d VG	338	#endif /* __ASEMBLY__ */
ac4c244d VG	339
ac4c244d	340	#endif /* _ASM_ARC_ARCREGS_H */