[linux.git] / drivers / net / dgrs_plx9060.h

/*
 *	PLX 9060 PCI Interface chip
 */

/*
 *	PCI configuration registers, same offset on local and PCI sides,
 *	but on PCI side, must use PCI BIOS calls to read/write.
 */
#define	PCI_PLXREGS_BASE_ADDR	0x10

#define	PCI_PLXREGS_IO_ADDR	0x14

#define	PCI_SPACE0_BASE_ADDR	0x18

#define	PCI_ROM_BASE_ADDR	0x30
#	define PCI_ROM_ENABLED		0x00000001

#define	PCI_INT_LINE		0x3C

/*
 *	Registers accessible directly from PCI and local side.
 *	Offset is from PCI side.  Add PLX_LCL_OFFSET for local address.
 */
#define	PLX_LCL_OFFSET	0x80	/* Offset of regs from local side */

/*
 *	Local Configuration Registers
 */
#define	PLX_SPACE0_RANGE	0x00	/* Range for PCI to Lcl Addr Space 0 */
#define	PLX_SPACE0_BASE_ADDR	0x04	/* Lcl Base address remap */

#define	PLX_ROM_RANGE		0x10	/* Range for expansion ROM (DMA) */
#define	PLX_ROM_BASE_ADDR	0x14	/* Lcl base address remap for ROM */

#define	PLX_BUS_REGION		0x18	/* Bus Region Descriptors */

/*
 *	Shared Run Time Registers
 */
#define	PLX_MBOX0		0x40
#define	PLX_MBOX1		0x44
#define	PLX_MBOX2		0x48
#define	PLX_MBOX3		0x4C
#define	PLX_MBOX4		0x50
#define	PLX_MBOX5		0x54
#define	PLX_MBOX6		0x58
#define	PLX_MBOX7		0x5C

#define	PLX_PCI2LCL_DOORBELL	0x60

#define	PLX_LCL2PCI_DOORBELL	0x64

#define	PLX_INT_CSR		0x68	/* Interrupt Control/Status */
#	define	PLX_LSERR_ENABLE	0x00000001
#	define	PLX_LSERR_PE		0x00000002
#	define	PLX_SERR		0x00000004
#	undef  PLX_UNUSED /*		0x00000008			*/
#	undef  PLX_UNUSED /*		0x00000010			*/
#	undef  PLX_UNUSED /*		0x00000020			*/
#	undef  PLX_UNUSED /*		0x00000040			*/
#	undef  PLX_UNUSED /*		0x00000080			*/
#	define PLX_PCI_IE		0x00000100
#	define	PLX_PCI_DOORBELL_IE	0x00000200
#	define	PLX_PCI_ABORT_IE	0x00000400
#	define	PLX_PCI_LOCAL_IE	0x00000800
#	define	PLX_RETRY_ABORT_ENABLE	0x00001000
#	define	PLX_PCI_DOORBELL_INT	0x00002000
#	define	PLX_PCI_ABORT_INT	0x00004000
#	define	PLX_PCI_LOCAL_INT	0x00008000
#	define	PLX_LCL_IE		0x00010000
#	define	PLX_LCL_DOORBELL_IE	0x00020000
#	define	PLX_LCL_DMA0_IE		0x00040000
#	define	PLX_LCL_DMA1_IE		0x00080000
#	define	PLX_LCL_DOORBELL_INT	0x00100000
#	define	PLX_LCL_DMA0_INT	0x00200000
#	define	PLX_LCL_DMA1_INT	0x00400000
#	define	PLX_LCL_BIST_INT	0x00800000
#	define	PLX_BM_DIRECT_		0x01000000
#	define	PLX_BM_DMA0_		0x02000000
#	define	PLX_BM_DMA1_		0x04000000
#	define	PLX_BM_ABORT_		0x08000000
#	undef  PLX_UNUSED /*		0x10000000			*/
#	undef  PLX_UNUSED /*		0x20000000			*/
#	undef  PLX_UNUSED /*		0x40000000			*/
#	undef  PLX_UNUSED /*		0x80000000			*/

#define	PLX_MISC_CSR		0x6c	/* EEPROM,PCI,User,Init Control/Status*/
#	define PLX_USEROUT		0x00010000
#	define PLX_USERIN		0x00020000
#	define PLX_EECK			0x01000000
#	define PLX_EECS			0x02000000
#	define PLX_EEWD			0x04000000
#	define PLX_EERD			0x08000000

/*
 *	DMA registers.  Offset is from local side
 */
#define	PLX_DMA0_MODE		0x100
#	define PLX_DMA_MODE_WIDTH32	0x00000003
#	define PLX_DMA_MODE_WAITSTATES(X)	((X)<<2)
#	define PLX_DMA_MODE_NOREADY	0x00000000
#	define PLX_DMA_MODE_READY	0x00000040
#	define PLX_DMA_MODE_NOBTERM	0x00000000
#	define PLX_DMA_MODE_BTERM	0x00000080
#	define PLX_DMA_MODE_NOBURST	0x00000000
#	define PLX_DMA_MODE_BURST	0x00000100
#	define PLX_DMA_MODE_NOCHAIN	0x00000000
#	define PLX_DMA_MODE_CHAIN	0x00000200
#	define PLX_DMA_MODE_DONE_IE	0x00000400
#	define PLX_DMA_MODE_ADDR_HOLD	0x00000800

#define	PLX_DMA0_PCI_ADDR	0x104
					/* non-chaining mode PCI address */

#define	PLX_DMA0_LCL_ADDR	0x108
					/* non-chaining mode local address */

#define	PLX_DMA0_SIZE		0x10C
					/* non-chaining mode length */

#define	PLX_DMA0_DESCRIPTOR	0x110
#	define	PLX_DMA_DESC_EOC	0x00000002
#	define	PLX_DMA_DESC_TC_IE	0x00000004
#	define	PLX_DMA_DESC_TO_HOST	0x00000008
#	define	PLX_DMA_DESC_TO_BOARD	0x00000000
#	define	PLX_DMA_DESC_NEXTADDR	0xFFFFfff0

#define	PLX_DMA1_MODE		0x114
#define	PLX_DMA1_PCI_ADDR	0x118
#define	PLX_DMA1_LCL_ADDR	0x11C
#define	PLX_DMA1_SIZE		0x110
#define	PLX_DMA1_DESCRIPTOR	0x124

#define	PLX_DMA_CSR		0x128
#	define PLX_DMA_CSR_0_ENABLE	0x00000001
#	define PLX_DMA_CSR_0_START	0x00000002
#	define PLX_DMA_CSR_0_ABORT	0x00000004
#	define PLX_DMA_CSR_0_CLR_INTR	0x00000008
#	define PLX_DMA_CSR_0_DONE	0x00000010
#	define PLX_DMA_CSR_1_ENABLE	0x00000100
#	define PLX_DMA_CSR_1_START	0x00000200
#	define PLX_DMA_CSR_1_ABORT	0x00000400
#	define PLX_DMA_CSR_1_CLR_INTR	0x00000800
#	define PLX_DMA_CSR_1_DONE	0x00001000

#define	PLX_DMA_ARB0		0x12C
#	define PLX_DMA_ARB0_LATENCY_T	0x000000FF
#	define PLX_DMA_ARB0_PAUSE_T	0x0000FF00
#	define PLX_DMA_ARB0_LATENCY_EN	0x00010000
#	define PLX_DMA_ARB0_PAUSE_EN	0x00020000
#	define PLX_DMA_ARB0_BREQ_EN	0x00040000
#	define PLX_DMA_ARB0_PRI		0x00180000
#	define PLX_DMA_ARB0_PRI_ROUND	0x00000000
#	define PLX_DMA_ARB0_PRI_0	0x00080000
#	define PLX_DMA_ARB0_PRI_1	0x00100000

#define	PLX_DMA_ARB1		0x130
						/* Chan 0: FIFO DEPTH=16 */
#	define PLX_DMA_ARB1_0_P2L_LW_TRIG(X)	( ((X)&15) <<  0 )
#	define PLX_DMA_ARB1_0_L2P_LR_TRIG(X)	( ((X)&15) <<  4 )
#	define PLX_DMA_ARB1_0_L2P_PW_TRIG(X)	( ((X)&15) <<  8 )
#	define PLX_DMA_ARB1_0_P2L_PR_TRIG(X)	( ((X)&15) << 12 )
						/* Chan 1: FIFO DEPTH=8 */
#	define PLX_DMA_ARB1_1_P2L_LW_TRIG(X)	( ((X)& 7) << 16 )
#	define PLX_DMA_ARB1_1_L2P_LR_TRIG(X)	( ((X)& 7) << 20 )
#	define PLX_DMA_ARB1_1_L2P_PW_TRIG(X)	( ((X)& 7) << 24 )
#	define PLX_DMA_ARB1_1_P2L_PR_TRIG(X)	( ((X)& 7) << 28 )

typedef struct _dmachain
{
	ulong		pciaddr;
	ulong		lcladdr;
	ulong		len;
	ulong		next;
} DMACHAIN;
Commit	Line	Data
1da177e4 LT	1	/*
	2	* PLX 9060 PCI Interface chip
	3	*/
	4
	5	/*
	6	* PCI configuration registers, same offset on local and PCI sides,
	7	* but on PCI side, must use PCI BIOS calls to read/write.
	8	*/
	9	#define PCI_PLXREGS_BASE_ADDR 0x10
	10
	11	#define PCI_PLXREGS_IO_ADDR 0x14
	12
	13	#define PCI_SPACE0_BASE_ADDR 0x18
	14
	15	#define PCI_ROM_BASE_ADDR 0x30
	16	# define PCI_ROM_ENABLED 0x00000001
	17
	18	#define PCI_INT_LINE 0x3C
	19
	20	/*
	21	* Registers accessible directly from PCI and local side.
	22	* Offset is from PCI side. Add PLX_LCL_OFFSET for local address.
	23	*/
	24	#define PLX_LCL_OFFSET 0x80 /* Offset of regs from local side */
	25
	26	/*
	27	* Local Configuration Registers
	28	*/
	29	#define PLX_SPACE0_RANGE 0x00 /* Range for PCI to Lcl Addr Space 0 */
	30	#define PLX_SPACE0_BASE_ADDR 0x04 /* Lcl Base address remap */
	31
	32	#define PLX_ROM_RANGE 0x10 /* Range for expansion ROM (DMA) */
	33	#define PLX_ROM_BASE_ADDR 0x14 /* Lcl base address remap for ROM */
	34
	35	#define PLX_BUS_REGION 0x18 /* Bus Region Descriptors */
	36
	37	/*
	38	* Shared Run Time Registers
	39	*/
	40	#define PLX_MBOX0 0x40
	41	#define PLX_MBOX1 0x44
	42	#define PLX_MBOX2 0x48
	43	#define PLX_MBOX3 0x4C
	44	#define PLX_MBOX4 0x50
	45	#define PLX_MBOX5 0x54
	46	#define PLX_MBOX6 0x58
	47	#define PLX_MBOX7 0x5C
	48
	49	#define PLX_PCI2LCL_DOORBELL 0x60
	50
	51	#define PLX_LCL2PCI_DOORBELL 0x64
	52
	53	#define PLX_INT_CSR 0x68 /* Interrupt Control/Status */
	54	# define PLX_LSERR_ENABLE 0x00000001
	55	# define PLX_LSERR_PE 0x00000002
	56	# define PLX_SERR 0x00000004
	57	# undef PLX_UNUSED /* 0x00000008 */
	58	# undef PLX_UNUSED /* 0x00000010 */
	59	# undef PLX_UNUSED /* 0x00000020 */
	60	# undef PLX_UNUSED /* 0x00000040 */
	61	# undef PLX_UNUSED /* 0x00000080 */
	62	# define PLX_PCI_IE 0x00000100
	63	# define PLX_PCI_DOORBELL_IE 0x00000200
	64	# define PLX_PCI_ABORT_IE 0x00000400
65	# define PLX_PCI_LOCAL_IE 0x00000800
66	# define PLX_RETRY_ABORT_ENABLE 0x00001000
67	# define PLX_PCI_DOORBELL_INT 0x00002000
68	# define PLX_PCI_ABORT_INT 0x00004000
69	# define PLX_PCI_LOCAL_INT 0x00008000
70	# define PLX_LCL_IE 0x00010000
71	# define PLX_LCL_DOORBELL_IE 0x00020000
72	# define PLX_LCL_DMA0_IE 0x00040000
73	# define PLX_LCL_DMA1_IE 0x00080000
74	# define PLX_LCL_DOORBELL_INT 0x00100000
75	# define PLX_LCL_DMA0_INT 0x00200000
76	# define PLX_LCL_DMA1_INT 0x00400000
77	# define PLX_LCL_BIST_INT 0x00800000
78	# define PLX_BM_DIRECT_ 0x01000000
79	# define PLX_BM_DMA0_ 0x02000000
80	# define PLX_BM_DMA1_ 0x04000000
81	# define PLX_BM_ABORT_ 0x08000000
82	# undef PLX_UNUSED /* 0x10000000 */
83	# undef PLX_UNUSED /* 0x20000000 */
84	# undef PLX_UNUSED /* 0x40000000 */
85	# undef PLX_UNUSED /* 0x80000000 */
86
87	#define PLX_MISC_CSR 0x6c /* EEPROM,PCI,User,Init Control/Status*/
88	# define PLX_USEROUT 0x00010000
89	# define PLX_USERIN 0x00020000
90	# define PLX_EECK 0x01000000
91	# define PLX_EECS 0x02000000
92	# define PLX_EEWD 0x04000000
93	# define PLX_EERD 0x08000000
94
95	/*
96	* DMA registers. Offset is from local side
97	*/
98	#define PLX_DMA0_MODE 0x100
99	# define PLX_DMA_MODE_WIDTH32 0x00000003
100	# define PLX_DMA_MODE_WAITSTATES(X) ((X)<<2)
101	# define PLX_DMA_MODE_NOREADY 0x00000000
102	# define PLX_DMA_MODE_READY 0x00000040
103	# define PLX_DMA_MODE_NOBTERM 0x00000000
104	# define PLX_DMA_MODE_BTERM 0x00000080
105	# define PLX_DMA_MODE_NOBURST 0x00000000
106	# define PLX_DMA_MODE_BURST 0x00000100
107	# define PLX_DMA_MODE_NOCHAIN 0x00000000
108	# define PLX_DMA_MODE_CHAIN 0x00000200
109	# define PLX_DMA_MODE_DONE_IE 0x00000400
110	# define PLX_DMA_MODE_ADDR_HOLD 0x00000800
111
112	#define PLX_DMA0_PCI_ADDR 0x104
113	/* non-chaining mode PCI address */
114
115	#define PLX_DMA0_LCL_ADDR 0x108
116	/* non-chaining mode local address */
117
118	#define PLX_DMA0_SIZE 0x10C
119	/* non-chaining mode length */
120
121	#define PLX_DMA0_DESCRIPTOR 0x110
122	# define PLX_DMA_DESC_EOC 0x00000002
123	# define PLX_DMA_DESC_TC_IE 0x00000004
124	# define PLX_DMA_DESC_TO_HOST 0x00000008
125	# define PLX_DMA_DESC_TO_BOARD 0x00000000
126	# define PLX_DMA_DESC_NEXTADDR 0xFFFFfff0
127
128	#define PLX_DMA1_MODE 0x114
129	#define PLX_DMA1_PCI_ADDR 0x118
130	#define PLX_DMA1_LCL_ADDR 0x11C
131	#define PLX_DMA1_SIZE 0x110
132	#define PLX_DMA1_DESCRIPTOR 0x124
133
134	#define PLX_DMA_CSR 0x128
135	# define PLX_DMA_CSR_0_ENABLE 0x00000001
136	# define PLX_DMA_CSR_0_START 0x00000002
137	# define PLX_DMA_CSR_0_ABORT 0x00000004
138	# define PLX_DMA_CSR_0_CLR_INTR 0x00000008
139	# define PLX_DMA_CSR_0_DONE 0x00000010
140	# define PLX_DMA_CSR_1_ENABLE 0x00000100
141	# define PLX_DMA_CSR_1_START 0x00000200
142	# define PLX_DMA_CSR_1_ABORT 0x00000400
143	# define PLX_DMA_CSR_1_CLR_INTR 0x00000800
144	# define PLX_DMA_CSR_1_DONE 0x00001000
145
146	#define PLX_DMA_ARB0 0x12C
147	# define PLX_DMA_ARB0_LATENCY_T 0x000000FF
148	# define PLX_DMA_ARB0_PAUSE_T 0x0000FF00
149	# define PLX_DMA_ARB0_LATENCY_EN 0x00010000
150	# define PLX_DMA_ARB0_PAUSE_EN 0x00020000
151	# define PLX_DMA_ARB0_BREQ_EN 0x00040000
152	# define PLX_DMA_ARB0_PRI 0x00180000
153	# define PLX_DMA_ARB0_PRI_ROUND 0x00000000
154	# define PLX_DMA_ARB0_PRI_0 0x00080000
155	# define PLX_DMA_ARB0_PRI_1 0x00100000
156
157	#define PLX_DMA_ARB1 0x130
158	/* Chan 0: FIFO DEPTH=16 */
159	# define PLX_DMA_ARB1_0_P2L_LW_TRIG(X) ( ((X)&15) << 0 )
160	# define PLX_DMA_ARB1_0_L2P_LR_TRIG(X) ( ((X)&15) << 4 )
161	# define PLX_DMA_ARB1_0_L2P_PW_TRIG(X) ( ((X)&15) << 8 )
162	# define PLX_DMA_ARB1_0_P2L_PR_TRIG(X) ( ((X)&15) << 12 )
163	/* Chan 1: FIFO DEPTH=8 */
164	# define PLX_DMA_ARB1_1_P2L_LW_TRIG(X) ( ((X)& 7) << 16 )
165	# define PLX_DMA_ARB1_1_L2P_LR_TRIG(X) ( ((X)& 7) << 20 )
166	# define PLX_DMA_ARB1_1_L2P_PW_TRIG(X) ( ((X)& 7) << 24 )
167	# define PLX_DMA_ARB1_1_P2L_PR_TRIG(X) ( ((X)& 7) << 28 )
168
169	typedef struct _dmachain
170	{
171	ulong pciaddr;
172	ulong lcladdr;
173	ulong len;
174	ulong next;
175	} DMACHAIN;