reg_booke.h

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/*
 * Contains register definitions common to the Book E PowerPC
 * specification.  Notice that while the IBM-40x series of CPUs
 * are not true Book E PowerPCs, they borrowed a number of features
 * before Book E was finalized, and are included here as well.  Unfortunatly,
 * they sometimes used different locations than true Book E CPUs did.
 */
#ifdef __KERNEL__
#ifndef __ASM_PPC_REG_BOOKE_H__
#define __ASM_PPC_REG_BOOKE_H__

#ifndef __ASSEMBLY__
/* Device Control Registers */
void __mtdcr(int reg, unsigned int val);
unsigned int __mfdcr(int reg);
#define mfdcr(rn)						\
	({unsigned int rval;					\
	if (__builtin_constant_p(rn))				\
		asm volatile("mfdcr %0," __stringify(rn)	\
		              : "=r" (rval));			\
	else							\
		rval = __mfdcr(rn);				\
	rval;})

#define mtdcr(rn, v)						\
do {								\
	if (__builtin_constant_p(rn))				\
		asm volatile("mtdcr " __stringify(rn) ",%0"	\
			      : : "r" (v)); 			\
	else							\
		__mtdcr(rn, v);					\
} while (0)

/* R/W of indirect DCRs make use of standard naming conventions for DCRs */
#define mfdcri(base, reg)			\
({						\
	mtdcr(base ## _CFGADDR, base ## _ ## reg);	\
	mfdcr(base ## _CFGDATA);			\
})

#define mtdcri(base, reg, data)			\
do {						\
	mtdcr(base ## _CFGADDR, base ## _ ## reg);	\
	mtdcr(base ## _CFGDATA, data);		\
} while (0)

/* Performance Monitor Registers */
#define mfpmr(rn)	({unsigned int rval; \
			asm volatile("mfpmr %0," __stringify(rn) \
				     : "=r" (rval)); rval;})
#define mtpmr(rn, v)	asm volatile("mtpmr " __stringify(rn) ",%0" : : "r" (v))
#endif /* __ASSEMBLY__ */


/* Machine State Register (MSR) Fields */
#define MSR_UCLE	(1<<26)	/* User-mode cache lock enable */
#define MSR_SPE		(1<<25)	/* Enable SPE */
#define MSR_DWE		(1<<10)	/* Debug Wait Enable */
#define MSR_UBLE	(1<<10)	/* BTB lock enable (e500) */
#define MSR_IS		MSR_IR	/* Instruction Space */
#define MSR_DS		MSR_DR	/* Data Space */
#define MSR_PMM		(1<<2)	/* Performance monitor mark bit */

/* Default MSR for kernel mode. */
#if defined (CONFIG_40x)
#define MSR_KERNEL	(MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE|MSR_DE)
#elif defined(CONFIG_BOOKE)
#define MSR_KERNEL	(MSR_ME|MSR_RI|MSR_CE|MSR_DE)
#endif

/* Special Purpose Registers (SPRNs)*/
#define SPRN_DECAR	0x036	/* Decrementer Auto Reload Register */
#define SPRN_IVPR	0x03F	/* Interrupt Vector Prefix Register */
#define SPRN_USPRG0	0x100	/* User Special Purpose Register General 0 */
#define SPRN_SPRG4R	0x104	/* Special Purpose Register General 4 Read */
#define SPRN_SPRG5R	0x105	/* Special Purpose Register General 5 Read */
#define SPRN_SPRG6R	0x106	/* Special Purpose Register General 6 Read */
#define SPRN_SPRG7R	0x107	/* Special Purpose Register General 7 Read */
#define SPRN_SPRG4W	0x114	/* Special Purpose Register General 4 Write */
#define SPRN_SPRG5W	0x115	/* Special Purpose Register General 5 Write */
#define SPRN_SPRG6W	0x116	/* Special Purpose Register General 6 Write */
#define SPRN_SPRG7W	0x117	/* Special Purpose Register General 7 Write */
#define SPRN_DBCR2	0x136	/* Debug Control Register 2 */
#define SPRN_IAC3	0x13A	/* Instruction Address Compare 3 */
#define SPRN_IAC4	0x13B	/* Instruction Address Compare 4 */
#define SPRN_DVC1	0x13E	/* Data Value Compare Register 1 */
#define SPRN_DVC2	0x13F	/* Data Value Compare Register 2 */
#define SPRN_IVOR0	0x190	/* Interrupt Vector Offset Register 0 */
#define SPRN_IVOR1	0x191	/* Interrupt Vector Offset Register 1 */
#define SPRN_IVOR2	0x192	/* Interrupt Vector Offset Register 2 */
#define SPRN_IVOR3	0x193	/* Interrupt Vector Offset Register 3 */
#define SPRN_IVOR4	0x194	/* Interrupt Vector Offset Register 4 */
#define SPRN_IVOR5	0x195	/* Interrupt Vector Offset Register 5 */
#define SPRN_IVOR6	0x196	/* Interrupt Vector Offset Register 6 */
#define SPRN_IVOR7	0x197	/* Interrupt Vector Offset Register 7 */
#define SPRN_IVOR8	0x198	/* Interrupt Vector Offset Register 8 */
#define SPRN_IVOR9	0x199	/* Interrupt Vector Offset Register 9 */
#define SPRN_IVOR10	0x19A	/* Interrupt Vector Offset Register 10 */
#define SPRN_IVOR11	0x19B	/* Interrupt Vector Offset Register 11 */
#define SPRN_IVOR12	0x19C	/* Interrupt Vector Offset Register 12 */
#define SPRN_IVOR13	0x19D	/* Interrupt Vector Offset Register 13 */
#define SPRN_IVOR14	0x19E	/* Interrupt Vector Offset Register 14 */
#define SPRN_IVOR15	0x19F	/* Interrupt Vector Offset Register 15 */
#define SPRN_SPEFSCR	0x200	/* SPE & Embedded FP Status & Control */
#define SPRN_BBEAR	0x201	/* Branch Buffer Entry Address Register */
#define SPRN_BBTAR	0x202	/* Branch Buffer Target Address Register */
#define SPRN_IVOR32	0x210	/* Interrupt Vector Offset Register 32 */
#define SPRN_IVOR33	0x211	/* Interrupt Vector Offset Register 33 */
#define SPRN_IVOR34	0x212	/* Interrupt Vector Offset Register 34 */
#define SPRN_IVOR35	0x213	/* Interrupt Vector Offset Register 35 */
#define SPRN_MCSRR0	0x23A	/* Machine Check Save and Restore Register 0 */
#define SPRN_MCSRR1	0x23B	/* Machine Check Save and Restore Register 1 */
#define SPRN_MCSR	0x23C	/* Machine Check Status Register */
#define SPRN_MCAR	0x23D	/* Machine Check Address Register */
#define SPRN_MAS0	0x270	/* MMU Assist Register 0 */
#define SPRN_MAS1	0x271	/* MMU Assist Register 1 */
#define SPRN_MAS2	0x272	/* MMU Assist Register 2 */
#define SPRN_MAS3	0x273	/* MMU Assist Register 3 */
#define SPRN_MAS4	0x274	/* MMU Assist Register 4 */
#define SPRN_MAS5	0x275	/* MMU Assist Register 5 */
#define SPRN_MAS6	0x276	/* MMU Assist Register 6 */
#define SPRN_PID1	0x279	/* Process ID Register 1 */
#define SPRN_PID2	0x27A	/* Process ID Register 2 */
#define SPRN_TLB0CFG	0x2B0	/* TLB 0 Config Register */
#define SPRN_TLB1CFG	0x2B1	/* TLB 1 Config Register */
#define SPRN_CCR1	0x378	/* Core Configuration Register 1 */
#define SPRN_ZPR	0x3B0	/* Zone Protection Register (40x) */
#define SPRN_MMUCR	0x3B2	/* MMU Control Register */
#define SPRN_CCR0	0x3B3	/* Core Configuration Register 0 */
#define SPRN_SGR	0x3B9	/* Storage Guarded Register */
#define SPRN_DCWR	0x3BA	/* Data Cache Write-thru Register */
#define SPRN_SLER	0x3BB	/* Little-endian real mode */
#define SPRN_SU0R	0x3BC	/* "User 0" real mode (40x) */
#define SPRN_DCMP	0x3D1	/* Data TLB Compare Register */
#define SPRN_ICDBDR	0x3D3	/* Instruction Cache Debug Data Register */
#define SPRN_EVPR	0x3D6	/* Exception Vector Prefix Register */
#define SPRN_L1CSR0	0x3F2	/* L1 Cache Control and Status Register 0 */
#define SPRN_L1CSR1	0x3F3	/* L1 Cache Control and Status Register 1 */
#define SPRN_PIT	0x3DB	/* Programmable Interval Timer */
#define SPRN_DCCR	0x3FA	/* Data Cache Cacheability Register */
#define SPRN_ICCR	0x3FB	/* Instruction Cache Cacheability Register */
#define SPRN_SVR	0x3FF	/* System Version Register */

/*
 * SPRs which have conflicting definitions on true Book E versus classic,
 * or IBM 40x.
 */
#ifdef CONFIG_BOOKE
#define SPRN_PID	0x030	/* Process ID */
#define SPRN_PID0	SPRN_PID/* Process ID Register 0 */
#define SPRN_CSRR0	0x03A	/* Critical Save and Restore Register 0 */
#define SPRN_CSRR1	0x03B	/* Critical Save and Restore Register 1 */
#define SPRN_DEAR	0x03D	/* Data Error Address Register */
#define SPRN_ESR	0x03E	/* Exception Syndrome Register */
#define SPRN_PIR	0x11E	/* Processor Identification Register */
#define SPRN_DBSR	0x130	/* Debug Status Register */
#define SPRN_DBCR0	0x134	/* Debug Control Register 0 */
#define SPRN_DBCR1	0x135	/* Debug Control Register 1 */
#define SPRN_IAC1	0x138	/* Instruction Address Compare 1 */
#define SPRN_IAC2	0x139	/* Instruction Address Compare 2 */
#define SPRN_DAC1	0x13C	/* Data Address Compare 1 */
#define SPRN_DAC2	0x13D	/* Data Address Compare 2 */
#define SPRN_TSR	0x150	/* Timer Status Register */
#define SPRN_TCR	0x154	/* Timer Control Register */
#endif /* Book E */
#ifdef CONFIG_40x
#define SPRN_PID	0x3B1	/* Process ID */
#define SPRN_DBCR1	0x3BD	/* Debug Control Register 1 */		
#define SPRN_ESR	0x3D4	/* Exception Syndrome Register */
#define SPRN_DEAR	0x3D5	/* Data Error Address Register */
#define SPRN_TSR	0x3D8	/* Timer Status Register */
#define SPRN_TCR	0x3DA	/* Timer Control Register */
#define SPRN_SRR2	0x3DE	/* Save/Restore Register 2 */
#define SPRN_SRR3	0x3DF	/* Save/Restore Register 3 */
#define SPRN_DBSR	0x3F0	/* Debug Status Register */		
#define SPRN_DBCR0	0x3F2	/* Debug Control Register 0 */
#define SPRN_DAC1	0x3F6	/* Data Address Compare 1 */
#define SPRN_DAC2	0x3F7	/* Data Address Compare 2 */
#define SPRN_CSRR0	SPRN_SRR2 /* Critical Save and Restore Register 0 */
#define SPRN_CSRR1	SPRN_SRR3 /* Critical Save and Restore Register 1 */
#endif

/* Bit definitions for CCR1. */
#define	CCR1_TCS	0x00000080 /* Timer Clock Select */

/* Bit definitions for the MCSR. */
#ifdef CONFIG_440A
#define MCSR_MCS	0x80000000 /* Machine Check Summary */
#define MCSR_IB		0x40000000 /* Instruction PLB Error */
#define MCSR_DRB	0x20000000 /* Data Read PLB Error */
#define MCSR_DWB	0x10000000 /* Data Write PLB Error */
#define MCSR_TLBP	0x08000000 /* TLB Parity Error */
#define MCSR_ICP	0x04000000 /* I-Cache Parity Error */
#define MCSR_DCSP	0x02000000 /* D-Cache Search Parity Error */
#define MCSR_DCFP	0x01000000 /* D-Cache Flush Parity Error */
#define MCSR_IMPE	0x00800000 /* Imprecise Machine Check Exception */
#endif
#ifdef CONFIG_E500
#define MCSR_MCP 	0x80000000UL /* Machine Check Input Pin */
#define MCSR_ICPERR 	0x40000000UL /* I-Cache Parity Error */
#define MCSR_DCP_PERR 	0x20000000UL /* D-Cache Push Parity Error */
#define MCSR_DCPERR 	0x10000000UL /* D-Cache Parity Error */
#define MCSR_GL_CI 	0x00010000UL /* Guarded Load or Cache-Inhibited stwcx. */
#define MCSR_BUS_IAERR 	0x00000080UL /* Instruction Address Error */
#define MCSR_BUS_RAERR 	0x00000040UL /* Read Address Error */
#define MCSR_BUS_WAERR 	0x00000020UL /* Write Address Error */
#define MCSR_BUS_IBERR 	0x00000010UL /* Instruction Data Error */
#define MCSR_BUS_RBERR 	0x00000008UL /* Read Data Bus Error */
#define MCSR_BUS_WBERR 	0x00000004UL /* Write Data Bus Error */
#define MCSR_BUS_IPERR 	0x00000002UL /* Instruction parity Error */
#define MCSR_BUS_RPERR 	0x00000001UL /* Read parity Error */
#endif

/* Bit definitions for the DBSR. */
/*
 * DBSR bits which have conflicting definitions on true Book E versus IBM 40x.
 */
#ifdef CONFIG_BOOKE
#define DBSR_IC		0x08000000	/* Instruction Completion */
#define DBSR_BT		0x04000000	/* Branch Taken */
#define DBSR_TIE	0x01000000	/* Trap Instruction Event */
#define DBSR_IAC1	0x00800000	/* Instr Address Compare 1 Event */
#define DBSR_IAC2	0x00400000	/* Instr Address Compare 2 Event */
#define DBSR_IAC3	0x00200000	/* Instr Address Compare 3 Event */
#define DBSR_IAC4	0x00100000	/* Instr Address Compare 4 Event */
#define DBSR_DAC1R	0x00080000	/* Data Addr Compare 1 Read Event */