[mirror_ubuntu-focal-kernel.git] / arch / powerpc / boot / dcr.h

#ifndef _PPC_BOOT_DCR_H_
#define _PPC_BOOT_DCR_H_

#define mfdcr(rn) \
	({	\
		unsigned long rval; \
		asm volatile("mfdcr %0,%1" : "=r"(rval) : "i"(rn)); \
		rval; \
	})
#define mtdcr(rn, val) \
	asm volatile("mtdcr %0,%1" : : "i"(rn), "r"(val))
#define mfdcrx(rn) \
	({	\
		unsigned long rval; \
		asm volatile("mfdcrx %0,%1" : "=r"(rval) : "r"(rn)); \
		rval; \
	})

/* 440GP/440GX SDRAM controller DCRs */
#define DCRN_SDRAM0_CFGADDR				0x010
#define DCRN_SDRAM0_CFGDATA				0x011

#define SDRAM0_READ(offset) ({\
	mtdcr(DCRN_SDRAM0_CFGADDR, offset); \
	mfdcr(DCRN_SDRAM0_CFGDATA); })
#define SDRAM0_WRITE(offset, data) ({\
	mtdcr(DCRN_SDRAM0_CFGADDR, offset); \
	mtdcr(DCRN_SDRAM0_CFGDATA, data); })

#define 	SDRAM0_B0CR				0x40
#define 	SDRAM0_B1CR				0x44
#define 	SDRAM0_B2CR				0x48
#define 	SDRAM0_B3CR				0x4c

static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR,
					    SDRAM0_B2CR, SDRAM0_B3CR };

#define			SDRAM_CONFIG_BANK_ENABLE        0x00000001
#define			SDRAM_CONFIG_SIZE_MASK          0x000e0000
#define			SDRAM_CONFIG_BANK_SIZE(reg)	\
	(0x00400000 << ((reg & SDRAM_CONFIG_SIZE_MASK) >> 17))

/* 440GP External Bus Controller (EBC) */
#define DCRN_EBC0_CFGADDR				0x012
#define DCRN_EBC0_CFGDATA				0x013
#define   EBC_NUM_BANKS					  8
#define   EBC_B0CR					  0x00
#define   EBC_B1CR					  0x01
#define   EBC_B2CR					  0x02
#define   EBC_B3CR					  0x03
#define   EBC_B4CR					  0x04
#define   EBC_B5CR					  0x05
#define   EBC_B6CR					  0x06
#define   EBC_B7CR					  0x07
#define   EBC_BXCR(n)					  (n)
#define	    EBC_BXCR_BAS				    0xfff00000
#define	    EBC_BXCR_BS				  	    0x000e0000
#define	    EBC_BXCR_BANK_SIZE(reg) \
	(0x100000 << (((reg) & EBC_BXCR_BS) >> 17))
#define	    EBC_BXCR_BU				  	    0x00018000
#define	      EBC_BXCR_BU_OFF			  	      0x00000000
#define	      EBC_BXCR_BU_RO			  	      0x00008000
#define	      EBC_BXCR_BU_WO			  	      0x00010000
#define	      EBC_BXCR_BU_RW			  	      0x00018000
#define	    EBC_BXCR_BW				  	    0x00006000
#define   EBC_B0AP					  0x10
#define   EBC_B1AP					  0x11
#define   EBC_B2AP					  0x12
#define   EBC_B3AP					  0x13
#define   EBC_B4AP					  0x14
#define   EBC_B5AP					  0x15
#define   EBC_B6AP					  0x16
#define   EBC_B7AP					  0x17
#define   EBC_BXAP(n)					  (0x10+(n))
#define   EBC_BEAR					  0x20
#define   EBC_BESR					  0x21
#define   EBC_CFG					  0x23
#define   EBC_CID					  0x24

/* 440GP Clock, PM, chip control */
#define DCRN_CPC0_SR					0x0b0
#define DCRN_CPC0_ER					0x0b1
#define DCRN_CPC0_FR					0x0b2
#define DCRN_CPC0_SYS0					0x0e0
#define	  CPC0_SYS0_TUNE				  0xffc00000
#define	  CPC0_SYS0_FBDV_MASK				  0x003c0000
#define	  CPC0_SYS0_FWDVA_MASK				  0x00038000
#define	  CPC0_SYS0_FWDVB_MASK				  0x00007000
#define	  CPC0_SYS0_OPDV_MASK				  0x00000c00
#define	  CPC0_SYS0_EPDV_MASK				  0x00000300
/* Helper macros to compute the actual clock divider values from the
 * encodings in the CPC0 register */
#define	  CPC0_SYS0_FBDV(reg) \
		((((((reg) & CPC0_SYS0_FBDV_MASK) >> 18) - 1) & 0xf) + 1)
#define	  CPC0_SYS0_FWDVA(reg) \
		(8 - (((reg) & CPC0_SYS0_FWDVA_MASK) >> 15))
#define	  CPC0_SYS0_FWDVB(reg) \
		(8 - (((reg) & CPC0_SYS0_FWDVB_MASK) >> 12))
#define	  CPC0_SYS0_OPDV(reg) \
		((((reg) & CPC0_SYS0_OPDV_MASK) >> 10) + 1)
#define	  CPC0_SYS0_EPDV(reg) \
		((((reg) & CPC0_SYS0_EPDV_MASK) >> 8) + 1)
#define	  CPC0_SYS0_EXTSL				  0x00000080
#define	  CPC0_SYS0_RW_MASK				  0x00000060
#define	  CPC0_SYS0_RL					  0x00000010
#define	  CPC0_SYS0_ZMIISL_MASK				  0x0000000c
#define	  CPC0_SYS0_BYPASS				  0x00000002
#define	  CPC0_SYS0_NTO1				  0x00000001
#define DCRN_CPC0_SYS1					0x0e1
#define DCRN_CPC0_CUST0					0x0e2
#define DCRN_CPC0_CUST1					0x0e3
#define DCRN_CPC0_STRP0					0x0e4
#define DCRN_CPC0_STRP1					0x0e5
#define DCRN_CPC0_STRP2					0x0e6
#define DCRN_CPC0_STRP3					0x0e7
#define DCRN_CPC0_GPIO					0x0e8
#define DCRN_CPC0_PLB					0x0e9
#define DCRN_CPC0_CR1					0x0ea
#define DCRN_CPC0_CR0					0x0eb
#define	  CPC0_CR0_SWE					  0x80000000
#define	  CPC0_CR0_CETE					  0x40000000
#define	  CPC0_CR0_U1FCS				  0x20000000
#define	  CPC0_CR0_U0DTE				  0x10000000
#define	  CPC0_CR0_U0DRE				  0x08000000
#define	  CPC0_CR0_U0DC					  0x04000000
#define	  CPC0_CR0_U1DTE				  0x02000000
#define	  CPC0_CR0_U1DRE				  0x01000000
#define	  CPC0_CR0_U1DC					  0x00800000
#define	  CPC0_CR0_U0EC					  0x00400000
#define	  CPC0_CR0_U1EC					  0x00200000
#define	  CPC0_CR0_UDIV_MASK				  0x001f0000
#define	  CPC0_CR0_UDIV(reg) \
		((((reg) & CPC0_CR0_UDIV_MASK) >> 16) + 1)
#define DCRN_CPC0_MIRQ0					0x0ec
#define DCRN_CPC0_MIRQ1					0x0ed
#define DCRN_CPC0_JTAGID				0x0ef

#define DCRN_MAL0_CFG					0x180
#define MAL_RESET 0x80000000

/* 440EP Clock/Power-on Reset regs */
#define DCRN_CPR0_ADDR	0xc
#define DCRN_CPR0_DATA	0xd
#define CPR0_PLLD0	0x60
#define CPR0_OPBD0	0xc0
#define CPR0_PERD0	0xe0
#define CPR0_PRIMBD0	0xa0
#define CPR0_SCPID	0x120
#define CPR0_PLLC0	0x40

/* 405GP Clocking/Power Management/Chip Control regs */
#define DCRN_CPC0_PLLMR 0xb0
#define DCRN_405_CPC0_CR0 0xb1
#define DCRN_405_CPC0_CR1 0xb2
#define DCRN_405_CPC0_PSR 0xb4

/* 405EP Clocking/Power Management/Chip Control regs */
#define DCRN_CPC0_PLLMR0  0xf0
#define DCRN_CPC0_PLLMR1  0xf4
#define DCRN_CPC0_UCR     0xf5

/* 440GX/405EX Clock Control reg */
#define DCRN_CPR0_CLKUPD				0x020
#define DCRN_CPR0_PLLC					0x040
#define DCRN_CPR0_PLLD					0x060
#define DCRN_CPR0_PRIMAD				0x080
#define DCRN_CPR0_PRIMBD				0x0a0
#define DCRN_CPR0_OPBD					0x0c0
#define DCRN_CPR0_PERD					0x0e0
#define DCRN_CPR0_MALD					0x100

#define DCRN_SDR0_CONFIG_ADDR 	0xe
#define DCRN_SDR0_CONFIG_DATA	0xf

/* SDR read/write helper macros */
#define SDR0_READ(offset) ({\
	mtdcr(DCRN_SDR0_CONFIG_ADDR, offset); \
	mfdcr(DCRN_SDR0_CONFIG_DATA); })
#define SDR0_WRITE(offset, data) ({\
	mtdcr(DCRN_SDR0_CONFIG_ADDR, offset); \
	mtdcr(DCRN_SDR0_CONFIG_DATA, data); })

#define DCRN_SDR0_UART0		0x0120
#define DCRN_SDR0_UART1		0x0121
#define DCRN_SDR0_UART2		0x0122
#define DCRN_SDR0_UART3		0x0123


/* CPRs read/write helper macros - based off include/asm-ppc/ibm44x.h */

#define DCRN_CPR0_CFGADDR				0xc
#define DCRN_CPR0_CFGDATA				0xd

#define CPR0_READ(offset) ({\
	mtdcr(DCRN_CPR0_CFGADDR, offset); \
	mfdcr(DCRN_CPR0_CFGDATA); })
#define CPR0_WRITE(offset, data) ({\
	mtdcr(DCRN_CPR0_CFGADDR, offset); \
	mtdcr(DCRN_CPR0_CFGDATA, data); })


#endif	/* _PPC_BOOT_DCR_H_ */
Commit	Line	Data
f6dfc805 DG	1	#ifndef _PPC_BOOT_DCR_H_
	2	#define _PPC_BOOT_DCR_H_
	3
	4	#define mfdcr(rn) \
	5	({ \
	6	unsigned long rval; \
	7	asm volatile("mfdcr %0,%1" : "=r"(rval) : "i"(rn)); \
	8	rval; \
	9	})
	10	#define mtdcr(rn, val) \
	11	asm volatile("mtdcr %0,%1" : : "i"(rn), "r"(val))
075bcf58 TB	12	#define mfdcrx(rn) \
	13	({ \
	14	unsigned long rval; \
	15	asm volatile("mfdcrx %0,%1" : "=r"(rval) : "r"(rn)); \
	16	rval; \
	17	})
f6dfc805 DG	18
	19	/* 440GP/440GX SDRAM controller DCRs */
	20	#define DCRN_SDRAM0_CFGADDR 0x010
	21	#define DCRN_SDRAM0_CFGDATA 0x011
	22
d23f5099 BH	23	#define SDRAM0_READ(offset) ({\
	24	mtdcr(DCRN_SDRAM0_CFGADDR, offset); \
	25	mfdcr(DCRN_SDRAM0_CFGDATA); })
	26	#define SDRAM0_WRITE(offset, data) ({\
	27	mtdcr(DCRN_SDRAM0_CFGADDR, offset); \
	28	mtdcr(DCRN_SDRAM0_CFGDATA, data); })
	29
f6dfc805 DG	30	#define SDRAM0_B0CR 0x40
	31	#define SDRAM0_B1CR 0x44
	32	#define SDRAM0_B2CR 0x48
	33	#define SDRAM0_B3CR 0x4c
	34
d23f5099 BH	35	static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR,
d23f5099 BH	36	SDRAM0_B2CR, SDRAM0_B3CR };
f6dfc805 DG	37
	38	#define SDRAM_CONFIG_BANK_ENABLE 0x00000001
	39	#define SDRAM_CONFIG_SIZE_MASK 0x000e0000
	40	#define SDRAM_CONFIG_BANK_SIZE(reg) \
	41	(0x00400000 << ((reg & SDRAM_CONFIG_SIZE_MASK) >> 17))
	42
b2ba34f3 DG	43	/* 440GP External Bus Controller (EBC) */
	44	#define DCRN_EBC0_CFGADDR 0x012
	45	#define DCRN_EBC0_CFGDATA 0x013
	46	#define EBC_NUM_BANKS 8
	47	#define EBC_B0CR 0x00
	48	#define EBC_B1CR 0x01
	49	#define EBC_B2CR 0x02
	50	#define EBC_B3CR 0x03
	51	#define EBC_B4CR 0x04
	52	#define EBC_B5CR 0x05
	53	#define EBC_B6CR 0x06
	54	#define EBC_B7CR 0x07
	55	#define EBC_BXCR(n) (n)
	56	#define EBC_BXCR_BAS 0xfff00000
	57	#define EBC_BXCR_BS 0x000e0000
	58	#define EBC_BXCR_BANK_SIZE(reg) \
	59	(0x100000 << (((reg) & EBC_BXCR_BS) >> 17))
	60	#define EBC_BXCR_BU 0x00018000
	61	#define EBC_BXCR_BU_OFF 0x00000000
	62	#define EBC_BXCR_BU_RO 0x00008000
	63	#define EBC_BXCR_BU_WO 0x00010000
	64	#define EBC_BXCR_BU_RW 0x00018000
	65	#define EBC_BXCR_BW 0x00006000
	66	#define EBC_B0AP 0x10
	67	#define EBC_B1AP 0x11
	68	#define EBC_B2AP 0x12
	69	#define EBC_B3AP 0x13
	70	#define EBC_B4AP 0x14
	71	#define EBC_B5AP 0x15
	72	#define EBC_B6AP 0x16
	73	#define EBC_B7AP 0x17
	74	#define EBC_BXAP(n) (0x10+(n))
	75	#define EBC_BEAR 0x20
	76	#define EBC_BESR 0x21
	77	#define EBC_CFG 0x23
	78	#define EBC_CID 0x24
	79
f6dfc805 DG	80	/* 440GP Clock, PM, chip control */
	81	#define DCRN_CPC0_SR 0x0b0
	82	#define DCRN_CPC0_ER 0x0b1
	83	#define DCRN_CPC0_FR 0x0b2
	84	#define DCRN_CPC0_SYS0 0x0e0
	85	#define CPC0_SYS0_TUNE 0xffc00000
	86	#define CPC0_SYS0_FBDV_MASK 0x003c0000
	87	#define CPC0_SYS0_FWDVA_MASK 0x00038000
	88	#define CPC0_SYS0_FWDVB_MASK 0x00007000
	89	#define CPC0_SYS0_OPDV_MASK 0x00000c00
	90	#define CPC0_SYS0_EPDV_MASK 0x00000300
	91	/* Helper macros to compute the actual clock divider values from the
	92	* encodings in the CPC0 register */
	93	#define CPC0_SYS0_FBDV(reg) \
	94	((((((reg) & CPC0_SYS0_FBDV_MASK) >> 18) - 1) & 0xf) + 1)
	95	#define CPC0_SYS0_FWDVA(reg) \
	96	(8 - (((reg) & CPC0_SYS0_FWDVA_MASK) >> 15))
	97	#define CPC0_SYS0_FWDVB(reg) \
	98	(8 - (((reg) & CPC0_SYS0_FWDVB_MASK) >> 12))
	99	#define CPC0_SYS0_OPDV(reg) \
	100	((((reg) & CPC0_SYS0_OPDV_MASK) >> 10) + 1)
	101	#define CPC0_SYS0_EPDV(reg) \
	102	((((reg) & CPC0_SYS0_EPDV_MASK) >> 8) + 1)
	103	#define CPC0_SYS0_EXTSL 0x00000080
	104	#define CPC0_SYS0_RW_MASK 0x00000060
	105	#define CPC0_SYS0_RL 0x00000010
	106	#define CPC0_SYS0_ZMIISL_MASK 0x0000000c
	107	#define CPC0_SYS0_BYPASS 0x00000002
	108	#define CPC0_SYS0_NTO1 0x00000001
	109	#define DCRN_CPC0_SYS1 0x0e1
	110	#define DCRN_CPC0_CUST0 0x0e2
	111	#define DCRN_CPC0_CUST1 0x0e3
	112	#define DCRN_CPC0_STRP0 0x0e4
	113	#define DCRN_CPC0_STRP1 0x0e5
	114	#define DCRN_CPC0_STRP2 0x0e6
	115	#define DCRN_CPC0_STRP3 0x0e7
	116	#define DCRN_CPC0_GPIO 0x0e8
	117	#define DCRN_CPC0_PLB 0x0e9
	118	#define DCRN_CPC0_CR1 0x0ea
	119	#define DCRN_CPC0_CR0 0x0eb
	120	#define CPC0_CR0_SWE 0x80000000
	121	#define CPC0_CR0_CETE 0x40000000
	122	#define CPC0_CR0_U1FCS 0x20000000
	123	#define CPC0_CR0_U0DTE 0x10000000
	124	#define CPC0_CR0_U0DRE 0x08000000
	125	#define CPC0_CR0_U0DC 0x04000000
	126	#define CPC0_CR0_U1DTE 0x02000000
	127	#define CPC0_CR0_U1DRE 0x01000000
	128	#define CPC0_CR0_U1DC 0x00800000
	129	#define CPC0_CR0_U0EC 0x00400000
	130	#define CPC0_CR0_U1EC 0x00200000
	131	#define CPC0_CR0_UDIV_MASK 0x001f0000
	132	#define CPC0_CR0_UDIV(reg) \
	133	((((reg) & CPC0_CR0_UDIV_MASK) >> 16) + 1)
	134	#define DCRN_CPC0_MIRQ0 0x0ec
	135	#define DCRN_CPC0_MIRQ1 0x0ed
	136	#define DCRN_CPC0_JTAGID 0x0ef
	137
e90f3b74 JB	138	#define DCRN_MAL0_CFG 0x180
	139	#define MAL_RESET 0x80000000
	140
2ba4573c JB	141	/* 440EP Clock/Power-on Reset regs */
	142	#define DCRN_CPR0_ADDR 0xc
	143	#define DCRN_CPR0_DATA 0xd
	144	#define CPR0_PLLD0 0x60
	145	#define CPR0_OPBD0 0xc0
	146	#define CPR0_PERD0 0xe0
	147	#define CPR0_PRIMBD0 0xa0
	148	#define CPR0_SCPID 0x120
	149	#define CPR0_PLLC0 0x40
	150
5326152f JB	151	/* 405GP Clocking/Power Management/Chip Control regs */
	152	#define DCRN_CPC0_PLLMR 0xb0
	153	#define DCRN_405_CPC0_CR0 0xb1
	154	#define DCRN_405_CPC0_CR1 0xb2
2af59f7d	155	#define DCRN_405_CPC0_PSR 0xb4
5326152f	156
2af59f7d MF	157	/* 405EP Clocking/Power Management/Chip Control regs */
	158	#define DCRN_CPC0_PLLMR0 0xf0
	159	#define DCRN_CPC0_PLLMR1 0xf4
	160	#define DCRN_CPC0_UCR 0xf5
bc0b4e7f	161
0484c1df	162	/* 440GX/405EX Clock Control reg */
bc0b4e7f BH	163	#define DCRN_CPR0_CLKUPD 0x020
	164	#define DCRN_CPR0_PLLC 0x040
	165	#define DCRN_CPR0_PLLD 0x060
	166	#define DCRN_CPR0_PRIMAD 0x080
	167	#define DCRN_CPR0_PRIMBD 0x0a0
	168	#define DCRN_CPR0_OPBD 0x0c0
	169	#define DCRN_CPR0_PERD 0x0e0
	170	#define DCRN_CPR0_MALD 0x100
	171
190de005 BH	172	#define DCRN_SDR0_CONFIG_ADDR 0xe
	173	#define DCRN_SDR0_CONFIG_DATA 0xf
	174
	175	/* SDR read/write helper macros */
	176	#define SDR0_READ(offset) ({\
	177	mtdcr(DCRN_SDR0_CONFIG_ADDR, offset); \
	178	mfdcr(DCRN_SDR0_CONFIG_DATA); })
	179	#define SDR0_WRITE(offset, data) ({\
	180	mtdcr(DCRN_SDR0_CONFIG_ADDR, offset); \
	181	mtdcr(DCRN_SDR0_CONFIG_DATA, data); })
	182
	183	#define DCRN_SDR0_UART0 0x0120
	184	#define DCRN_SDR0_UART1 0x0121
	185	#define DCRN_SDR0_UART2 0x0122
	186	#define DCRN_SDR0_UART3 0x0123
	187
	188
bc0b4e7f BH	189	/* CPRs read/write helper macros - based off include/asm-ppc/ibm44x.h */
	190
	191	#define DCRN_CPR0_CFGADDR 0xc
	192	#define DCRN_CPR0_CFGDATA 0xd
	193
	194	#define CPR0_READ(offset) ({\
	195	mtdcr(DCRN_CPR0_CFGADDR, offset); \
	196	mfdcr(DCRN_CPR0_CFGDATA); })
	197	#define CPR0_WRITE(offset, data) ({\
	198	mtdcr(DCRN_CPR0_CFGADDR, offset); \
	199	mtdcr(DCRN_CPR0_CFGDATA, data); })
	200
	201
	202
f6dfc805	203	#endif /* _PPC_BOOT_DCR_H_ */