| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260 | /* * Blackfin core register bit & address definitions * * Copyright 2005-2008 Analog Devices Inc. * * Licensed under the Clear BSD license or GPL-2 (or later). */#ifndef _DEF_LPBLACKFIN_H#define _DEF_LPBLACKFIN_H#include <mach/anomaly.h>#define MK_BMSK_(x) (1<<x)#define BFIN_DEPOSIT(mask, x)	(((x) << __ffs(mask)) & (mask))#define BFIN_EXTRACT(mask, x)	(((x) & (mask)) >> __ffs(mask))#ifndef __ASSEMBLY__#include <linux/types.h>#if ANOMALY_05000198# define NOP_PAD_ANOMALY_05000198 "nop;"#else# define NOP_PAD_ANOMALY_05000198#endif#define _bfin_readX(addr, size, asm_size, asm_ext) ({ \	u32 __v; \	__asm__ __volatile__( \		NOP_PAD_ANOMALY_05000198 \		"%0 = " #asm_size "[%1]" #asm_ext ";" \		: "=d" (__v) \		: "a" (addr) \	); \	__v; })#define _bfin_writeX(addr, val, size, asm_size) \	__asm__ __volatile__( \		NOP_PAD_ANOMALY_05000198 \		#asm_size "[%0] = %1;" \		: \		: "a" (addr), "d" ((u##size)(val)) \		: "memory" \	)#define bfin_read8(addr)  _bfin_readX(addr,  8, b, (z))#define bfin_read16(addr) _bfin_readX(addr, 16, w, (z))#define bfin_read32(addr) _bfin_readX(addr, 32,  ,    )#define bfin_write8(addr, val)  _bfin_writeX(addr, val,  8, b)#define bfin_write16(addr, val) _bfin_writeX(addr, val, 16, w)#define bfin_write32(addr, val) _bfin_writeX(addr, val, 32,  )#define bfin_read(addr) \({ \	sizeof(*(addr)) == 1 ? bfin_read8(addr)  : \	sizeof(*(addr)) == 2 ? bfin_read16(addr) : \	sizeof(*(addr)) == 4 ? bfin_read32(addr) : \	({ BUG(); 0; }); \})#define bfin_write(addr, val) \do { \	switch (sizeof(*(addr))) { \	case 1: bfin_write8(addr, val);  break; \	case 2: bfin_write16(addr, val); break; \	case 4: bfin_write32(addr, val); break; \	default: BUG(); \	} \} while (0)#define bfin_write_or(addr, bits) \do { \	typeof(addr) __addr = (addr); \	bfin_write(__addr, bfin_read(__addr) | (bits)); \} while (0)#define bfin_write_and(addr, bits) \do { \	typeof(addr) __addr = (addr); \	bfin_write(__addr, bfin_read(__addr) & (bits)); \} while (0)#endif /* __ASSEMBLY__ *//************************************************** * System Register Bits **************************************************//************************************************** * ASTAT register **************************************************//* definitions of ASTAT bit positions*//*Result of last ALU0 or shifter operation is zero*/#define ASTAT_AZ_P         0x00000000/*Result of last ALU0 or shifter operation is negative*/#define ASTAT_AN_P         0x00000001/*Condition Code, used for holding comparison results*/#define ASTAT_CC_P         0x00000005/*Quotient Bit*/#define ASTAT_AQ_P         0x00000006/*Rounding mode, set for biased, clear for unbiased*/#define ASTAT_RND_MOD_P    0x00000008/*Result of last ALU0 operation generated a carry*/#define ASTAT_AC0_P        0x0000000C/*Result of last ALU0 operation generated a carry*/#define ASTAT_AC0_COPY_P   0x00000002/*Result of last ALU1 operation generated a carry*/#define ASTAT_AC1_P        0x0000000D/*Result of last ALU0 or MAC0 operation overflowed, sticky for MAC*/#define ASTAT_AV0_P        0x00000010/*Sticky version of ASTAT_AV0 */#define ASTAT_AV0S_P       0x00000011/*Result of last MAC1 operation overflowed, sticky for MAC*/#define ASTAT_AV1_P        0x00000012/*Sticky version of ASTAT_AV1 */#define ASTAT_AV1S_P       0x00000013/*Result of last ALU0 or MAC0 operation overflowed*/#define ASTAT_V_P          0x00000018/*Result of last ALU0 or MAC0 operation overflowed*/#define ASTAT_V_COPY_P     0x00000003/*Sticky version of ASTAT_V*/#define ASTAT_VS_P         0x00000019/* Masks *//*Result of last ALU0 or shifter operation is zero*/#define ASTAT_AZ           MK_BMSK_(ASTAT_AZ_P)/*Result of last ALU0 or shifter operation is negative*/#define ASTAT_AN           MK_BMSK_(ASTAT_AN_P)/*Result of last ALU0 operation generated a carry*/#define ASTAT_AC0          MK_BMSK_(ASTAT_AC0_P)/*Result of last ALU0 operation generated a carry*/#define ASTAT_AC0_COPY     MK_BMSK_(ASTAT_AC0_COPY_P)/*Result of last ALU0 operation generated a carry*/#define ASTAT_AC1          MK_BMSK_(ASTAT_AC1_P)/*Result of last ALU0 or MAC0 operation overflowed, sticky for MAC*/#define ASTAT_AV0          MK_BMSK_(ASTAT_AV0_P)/*Result of last MAC1 operation overflowed, sticky for MAC*/#define ASTAT_AV1          MK_BMSK_(ASTAT_AV1_P)/*Condition Code, used for holding comparison results*/#define ASTAT_CC           MK_BMSK_(ASTAT_CC_P)/*Quotient Bit*/#define ASTAT_AQ           MK_BMSK_(ASTAT_AQ_P)/*Rounding mode, set for biased, clear for unbiased*/#define ASTAT_RND_MOD      MK_BMSK_(ASTAT_RND_MOD_P)/*Overflow Bit*/#define ASTAT_V            MK_BMSK_(ASTAT_V_P)/*Overflow Bit*/#define ASTAT_V_COPY       MK_BMSK_(ASTAT_V_COPY_P)/************************************************** *   SEQSTAT register **************************************************//* Bit Positions  */#define SEQSTAT_EXCAUSE0_P      0x00000000	/* Last exception cause bit 0 */#define SEQSTAT_EXCAUSE1_P      0x00000001	/* Last exception cause bit 1 */#define SEQSTAT_EXCAUSE2_P      0x00000002	/* Last exception cause bit 2 */#define SEQSTAT_EXCAUSE3_P      0x00000003	/* Last exception cause bit 3 */#define SEQSTAT_EXCAUSE4_P      0x00000004	/* Last exception cause bit 4 */#define SEQSTAT_EXCAUSE5_P      0x00000005	/* Last exception cause bit 5 */#define SEQSTAT_IDLE_REQ_P      0x0000000C	/* Pending idle mode request,						 * set by IDLE instruction.						 */#define SEQSTAT_SFTRESET_P      0x0000000D	/* Indicates whether the last						 * reset was a software reset						 * (=1)						 */#define SEQSTAT_HWERRCAUSE0_P   0x0000000E	/* Last hw error cause bit 0 */#define SEQSTAT_HWERRCAUSE1_P   0x0000000F	/* Last hw error cause bit 1 */#define SEQSTAT_HWERRCAUSE2_P   0x00000010	/* Last hw error cause bit 2 */#define SEQSTAT_HWERRCAUSE3_P   0x00000011	/* Last hw error cause bit 3 */#define SEQSTAT_HWERRCAUSE4_P   0x00000012	/* Last hw error cause bit 4 *//* Masks *//* Exception cause */#define SEQSTAT_EXCAUSE        (MK_BMSK_(SEQSTAT_EXCAUSE0_P) | \                                MK_BMSK_(SEQSTAT_EXCAUSE1_P) | \                                MK_BMSK_(SEQSTAT_EXCAUSE2_P) | \                                MK_BMSK_(SEQSTAT_EXCAUSE3_P) | \                                MK_BMSK_(SEQSTAT_EXCAUSE4_P) | \                                MK_BMSK_(SEQSTAT_EXCAUSE5_P) | \                                0)/* Indicates whether the last reset was a software reset (=1) */#define SEQSTAT_SFTRESET       (MK_BMSK_(SEQSTAT_SFTRESET_P))/* Last hw error cause */#define SEQSTAT_HWERRCAUSE     (MK_BMSK_(SEQSTAT_HWERRCAUSE0_P) | \                                MK_BMSK_(SEQSTAT_HWERRCAUSE1_P) | \                                MK_BMSK_(SEQSTAT_HWERRCAUSE2_P) | \                                MK_BMSK_(SEQSTAT_HWERRCAUSE3_P) | \                                MK_BMSK_(SEQSTAT_HWERRCAUSE4_P) | \                                0)/* Translate bits to something useful *//* Last hw error cause */#define SEQSTAT_HWERRCAUSE_SHIFT         (14)#define SEQSTAT_HWERRCAUSE_SYSTEM_MMR    (0x02 << SEQSTAT_HWERRCAUSE_SHIFT)#define SEQSTAT_HWERRCAUSE_EXTERN_ADDR   (0x03 << SEQSTAT_HWERRCAUSE_SHIFT)#define SEQSTAT_HWERRCAUSE_PERF_FLOW     (0x12 << SEQSTAT_HWERRCAUSE_SHIFT)#define SEQSTAT_HWERRCAUSE_RAISE_5       (0x18 << SEQSTAT_HWERRCAUSE_SHIFT)/************************************************** *   SYSCFG register **************************************************//* Bit Positions */#define SYSCFG_SSSTEP_P     0x00000000	/* Supervisor single step, when					 * set it forces an exception					 * for each instruction executed					 */#define SYSCFG_CCEN_P       0x00000001	/* Enable cycle counter (=1) */#define SYSCFG_SNEN_P       0x00000002	/* Self nesting Interrupt Enable *//* Masks *//* Supervisor single step, when set it forces an exception for each *instruction executed */#define SYSCFG_SSSTEP         MK_BMSK_(SYSCFG_SSSTEP_P )/* Enable cycle counter (=1) */#define SYSCFG_CCEN           MK_BMSK_(SYSCFG_CCEN_P )/* Self Nesting Interrupt Enable */#define SYSCFG_SNEN	       MK_BMSK_(SYSCFG_SNEN_P)/* Backward-compatibility for typos in prior releases */#define SYSCFG_SSSSTEP         SYSCFG_SSSTEP#define SYSCFG_CCCEN           SYSCFG_CCEN/**************************************************** * Core MMR Register Map ****************************************************//* Data Cache & SRAM Memory  (0xFFE00000 - 0xFFE00404) */#define SRAM_BASE_ADDRESS  0xFFE00000	/* SRAM Base Address Register */#define DMEM_CONTROL       0xFFE00004	/* Data memory control */#define DCPLB_STATUS       0xFFE00008	/* Data Cache Programmable Look-Aside					 * Buffer Status					 */#define DCPLB_FAULT_STATUS 0xFFE00008	/* "" (older define) */#define DCPLB_FAULT_ADDR   0xFFE0000C	/* Data Cache Programmable Look-Aside					 * Buffer Fault Address					 */#define DCPLB_ADDR0        0xFFE00100	/* Data Cache Protection Lookaside					 * Buffer 0					 */#define DCPLB_ADDR1        0xFFE00104	/* Data Cache Protection Lookaside					 * Buffer 1					 */#define DCPLB_ADDR2        0xFFE00108	/* Data Cache Protection Lookaside					 * Buffer 2					 */#define DCPLB_ADDR3        0xFFE0010C	/* Data Cacheability Protection					 * Lookaside Buffer 3					 */#define DCPLB_ADDR4        0xFFE00110	/* Data Cacheability Protection					 * Lookaside Buffer 4					 */
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