1/*
2 * RapidIO register definitions
3 *
4 * Copyright 2005 MontaVista Software, Inc.
5 * Matt Porter <mporter@kernel.crashing.org>
6 *
7 * This program is free software; you can redistribute  it and/or modify it
8 * under  the terms of  the GNU General  Public License as published by the
9 * Free Software Foundation;  either version 2 of the  License, or (at your
10 * option) any later version.
11 */
12
13#ifndef LINUX_RIO_REGS_H
14#define LINUX_RIO_REGS_H
15
16/*
17 * In RapidIO, each device has a 16MB configuration space that is
18 * accessed via maintenance transactions.  Portions of configuration
19 * space are standardized and/or reserved.
20 */
21#define RIO_MAINT_SPACE_SZ	0x1000000 /* 16MB of RapidIO mainenance space */
22
23#define RIO_DEV_ID_CAR		0x00	/* [I] Device Identity CAR */
24#define RIO_DEV_INFO_CAR	0x04	/* [I] Device Information CAR */
25#define RIO_ASM_ID_CAR		0x08	/* [I] Assembly Identity CAR */
26#define  RIO_ASM_ID_MASK		0xffff0000	/* [I] Asm ID Mask */
27#define  RIO_ASM_VEN_ID_MASK		0x0000ffff	/* [I] Asm Vend Mask */
28
29#define RIO_ASM_INFO_CAR	0x0c	/* [I] Assembly Information CAR */
30#define  RIO_ASM_REV_MASK		0xffff0000	/* [I] Asm Rev Mask */
31#define  RIO_EXT_FTR_PTR_MASK		0x0000ffff	/* [I] EF_PTR Mask */
32
33#define RIO_PEF_CAR		0x10	/* [I] Processing Element Features CAR */
34#define  RIO_PEF_BRIDGE			0x80000000	/* [I] Bridge */
35#define  RIO_PEF_MEMORY			0x40000000	/* [I] MMIO */
36#define  RIO_PEF_PROCESSOR		0x20000000	/* [I] Processor */
37#define  RIO_PEF_SWITCH			0x10000000	/* [I] Switch */
38#define  RIO_PEF_MULTIPORT		0x08000000	/* [VI, 2.1] Multiport */
39#define  RIO_PEF_INB_MBOX		0x00f00000	/* [II, <= 1.2] Mailboxes */
40#define  RIO_PEF_INB_MBOX0		0x00800000	/* [II, <= 1.2] Mailbox 0 */
41#define  RIO_PEF_INB_MBOX1		0x00400000	/* [II, <= 1.2] Mailbox 1 */
42#define  RIO_PEF_INB_MBOX2		0x00200000	/* [II, <= 1.2] Mailbox 2 */
43#define  RIO_PEF_INB_MBOX3		0x00100000	/* [II, <= 1.2] Mailbox 3 */
44#define  RIO_PEF_INB_DOORBELL		0x00080000	/* [II, <= 1.2] Doorbells */
45#define  RIO_PEF_EXT_RT			0x00000200	/* [III, 1.3] Extended route table support */
46#define  RIO_PEF_STD_RT			0x00000100	/* [III, 1.3] Standard route table support */
47#define  RIO_PEF_CTLS			0x00000010	/* [III] CTLS */
48#define  RIO_PEF_EXT_FEATURES		0x00000008	/* [I] EFT_PTR valid */
49#define  RIO_PEF_ADDR_66		0x00000004	/* [I] 66 bits */
50#define  RIO_PEF_ADDR_50		0x00000002	/* [I] 50 bits */
51#define  RIO_PEF_ADDR_34		0x00000001	/* [I] 34 bits */
52
53#define RIO_SWP_INFO_CAR	0x14	/* [I] Switch Port Information CAR */
54#define  RIO_SWP_INFO_PORT_TOTAL_MASK	0x0000ff00	/* [I] Total number of ports */
55#define  RIO_SWP_INFO_PORT_NUM_MASK	0x000000ff	/* [I] Maintenance transaction port number */
56#define  RIO_GET_TOTAL_PORTS(x)		((x & RIO_SWP_INFO_PORT_TOTAL_MASK) >> 8)
57#define  RIO_GET_PORT_NUM(x)		(x & RIO_SWP_INFO_PORT_NUM_MASK)
58
59#define RIO_SRC_OPS_CAR		0x18	/* [I] Source Operations CAR */
60#define  RIO_SRC_OPS_READ		0x00008000	/* [I] Read op */
61#define  RIO_SRC_OPS_WRITE		0x00004000	/* [I] Write op */
62#define  RIO_SRC_OPS_STREAM_WRITE	0x00002000	/* [I] Str-write op */
63#define  RIO_SRC_OPS_WRITE_RESPONSE	0x00001000	/* [I] Write/resp op */
64#define  RIO_SRC_OPS_DATA_MSG		0x00000800	/* [II] Data msg op */
65#define  RIO_SRC_OPS_DOORBELL		0x00000400	/* [II] Doorbell op */
66#define  RIO_SRC_OPS_ATOMIC_TST_SWP	0x00000100	/* [I] Atomic TAS op */
67#define  RIO_SRC_OPS_ATOMIC_INC		0x00000080	/* [I] Atomic inc op */
68#define  RIO_SRC_OPS_ATOMIC_DEC		0x00000040	/* [I] Atomic dec op */
69#define  RIO_SRC_OPS_ATOMIC_SET		0x00000020	/* [I] Atomic set op */
70#define  RIO_SRC_OPS_ATOMIC_CLR		0x00000010	/* [I] Atomic clr op */
71#define  RIO_SRC_OPS_PORT_WRITE		0x00000004	/* [I] Port-write op */
72
73#define RIO_DST_OPS_CAR		0x1c	/* Destination Operations CAR */
74#define  RIO_DST_OPS_READ		0x00008000	/* [I] Read op */
75#define  RIO_DST_OPS_WRITE		0x00004000	/* [I] Write op */
76#define  RIO_DST_OPS_STREAM_WRITE	0x00002000	/* [I] Str-write op */
77#define  RIO_DST_OPS_WRITE_RESPONSE	0x00001000	/* [I] Write/resp op */
78#define  RIO_DST_OPS_DATA_MSG		0x00000800	/* [II] Data msg op */
79#define  RIO_DST_OPS_DOORBELL		0x00000400	/* [II] Doorbell op */
80#define  RIO_DST_OPS_ATOMIC_TST_SWP	0x00000100	/* [I] Atomic TAS op */
81#define  RIO_DST_OPS_ATOMIC_INC		0x00000080	/* [I] Atomic inc op */
82#define  RIO_DST_OPS_ATOMIC_DEC		0x00000040	/* [I] Atomic dec op */
83#define  RIO_DST_OPS_ATOMIC_SET		0x00000020	/* [I] Atomic set op */
84#define  RIO_DST_OPS_ATOMIC_CLR		0x00000010	/* [I] Atomic clr op */
85#define  RIO_DST_OPS_PORT_WRITE		0x00000004	/* [I] Port-write op */
86
87#define  RIO_OPS_READ			0x00008000	/* [I] Read op */
88#define  RIO_OPS_WRITE			0x00004000	/* [I] Write op */
89#define  RIO_OPS_STREAM_WRITE		0x00002000	/* [I] Str-write op */
90#define  RIO_OPS_WRITE_RESPONSE		0x00001000	/* [I] Write/resp op */
91#define  RIO_OPS_DATA_MSG		0x00000800	/* [II] Data msg op */
92#define  RIO_OPS_DOORBELL		0x00000400	/* [II] Doorbell op */
93#define  RIO_OPS_ATOMIC_TST_SWP		0x00000100	/* [I] Atomic TAS op */
94#define  RIO_OPS_ATOMIC_INC		0x00000080	/* [I] Atomic inc op */
95#define  RIO_OPS_ATOMIC_DEC		0x00000040	/* [I] Atomic dec op */
96#define  RIO_OPS_ATOMIC_SET		0x00000020	/* [I] Atomic set op */
97#define  RIO_OPS_ATOMIC_CLR		0x00000010	/* [I] Atomic clr op */
98#define  RIO_OPS_PORT_WRITE		0x00000004	/* [I] Port-write op */
99
100					/* 0x20-0x30 *//* Reserved */
101
102#define	RIO_SWITCH_RT_LIMIT	0x34	/* [III, 1.3] Switch Route Table Destination ID Limit CAR */
103#define	 RIO_RT_MAX_DESTID		0x0000ffff
104
105#define RIO_MBOX_CSR		0x40	/* [II, <= 1.2] Mailbox CSR */
106#define  RIO_MBOX0_AVAIL		0x80000000	/* [II] Mbox 0 avail */
107#define  RIO_MBOX0_FULL			0x40000000	/* [II] Mbox 0 full */
108#define  RIO_MBOX0_EMPTY		0x20000000	/* [II] Mbox 0 empty */
109#define  RIO_MBOX0_BUSY			0x10000000	/* [II] Mbox 0 busy */
110#define  RIO_MBOX0_FAIL			0x08000000	/* [II] Mbox 0 fail */
111#define  RIO_MBOX0_ERROR		0x04000000	/* [II] Mbox 0 error */
112#define  RIO_MBOX1_AVAIL		0x00800000	/* [II] Mbox 1 avail */
113#define  RIO_MBOX1_FULL			0x00200000	/* [II] Mbox 1 full */
114#define  RIO_MBOX1_EMPTY		0x00200000	/* [II] Mbox 1 empty */
115#define  RIO_MBOX1_BUSY			0x00100000	/* [II] Mbox 1 busy */
116#define  RIO_MBOX1_FAIL			0x00080000	/* [II] Mbox 1 fail */
117#define  RIO_MBOX1_ERROR		0x00040000	/* [II] Mbox 1 error */
118#define  RIO_MBOX2_AVAIL		0x00008000	/* [II] Mbox 2 avail */
119#define  RIO_MBOX2_FULL			0x00004000	/* [II] Mbox 2 full */
120#define  RIO_MBOX2_EMPTY		0x00002000	/* [II] Mbox 2 empty */
121#define  RIO_MBOX2_BUSY			0x00001000	/* [II] Mbox 2 busy */
122#define  RIO_MBOX2_FAIL			0x00000800	/* [II] Mbox 2 fail */
123#define  RIO_MBOX2_ERROR		0x00000400	/* [II] Mbox 2 error */
124#define  RIO_MBOX3_AVAIL		0x00000080	/* [II] Mbox 3 avail */
125#define  RIO_MBOX3_FULL			0x00000040	/* [II] Mbox 3 full */
126#define  RIO_MBOX3_EMPTY		0x00000020	/* [II] Mbox 3 empty */
127#define  RIO_MBOX3_BUSY			0x00000010	/* [II] Mbox 3 busy */
128#define  RIO_MBOX3_FAIL			0x00000008	/* [II] Mbox 3 fail */
129#define  RIO_MBOX3_ERROR		0x00000004	/* [II] Mbox 3 error */
130
131#define RIO_WRITE_PORT_CSR	0x44	/* [I, <= 1.2] Write Port CSR */
132#define RIO_DOORBELL_CSR	0x44	/* [II, <= 1.2] Doorbell CSR */
133#define  RIO_DOORBELL_AVAIL		0x80000000	/* [II] Doorbell avail */
134#define  RIO_DOORBELL_FULL		0x40000000	/* [II] Doorbell full */
135#define  RIO_DOORBELL_EMPTY		0x20000000	/* [II] Doorbell empty */
136#define  RIO_DOORBELL_BUSY		0x10000000	/* [II] Doorbell busy */
137#define  RIO_DOORBELL_FAILED		0x08000000	/* [II] Doorbell failed */
138#define  RIO_DOORBELL_ERROR		0x04000000	/* [II] Doorbell error */
139#define  RIO_WRITE_PORT_AVAILABLE	0x00000080	/* [I] Write Port Available */
140#define  RIO_WRITE_PORT_FULL		0x00000040	/* [I] Write Port Full */
141#define  RIO_WRITE_PORT_EMPTY		0x00000020	/* [I] Write Port Empty */
142#define  RIO_WRITE_PORT_BUSY		0x00000010	/* [I] Write Port Busy */
143#define  RIO_WRITE_PORT_FAILED		0x00000008	/* [I] Write Port Failed */
144#define  RIO_WRITE_PORT_ERROR		0x00000004	/* [I] Write Port Error */
145
146					/* 0x48 *//* Reserved */
147
148#define RIO_PELL_CTRL_CSR	0x4c	/* [I] PE Logical Layer Control CSR */
149#define   RIO_PELL_ADDR_66		0x00000004	/* [I] 66-bit addr */
150#define   RIO_PELL_ADDR_50		0x00000002	/* [I] 50-bit addr */
151#define   RIO_PELL_ADDR_34		0x00000001	/* [I] 34-bit addr */
152
153					/* 0x50-0x54 *//* Reserved */
154
155#define RIO_LCSH_BA		0x58	/* [I] LCS High Base Address */
156#define RIO_LCSL_BA		0x5c	/* [I] LCS Base Address */
157
158#define RIO_DID_CSR		0x60	/* [III] Base Device ID CSR */
159
160					/* 0x64 *//* Reserved */
161
162#define RIO_HOST_DID_LOCK_CSR	0x68	/* [III] Host Base Device ID Lock CSR */
163#define RIO_COMPONENT_TAG_CSR	0x6c	/* [III] Component Tag CSR */
164
165#define RIO_STD_RTE_CONF_DESTID_SEL_CSR	0x70
166#define  RIO_STD_RTE_CONF_EXTCFGEN		0x80000000
167#define RIO_STD_RTE_CONF_PORT_SEL_CSR	0x74
168#define RIO_STD_RTE_DEFAULT_PORT	0x78
169
170					/* 0x7c-0xf8 *//* Reserved */
171					/* 0x100-0xfff8 *//* [I] Extended Features Space */
172					/* 0x10000-0xfffff8 *//* [I] Implementation-defined Space */
173
174/*
175 * Extended Features Space is a configuration space area where
176 * functionality is mapped into extended feature blocks via a
177 * singly linked list of extended feature pointers (EFT_PTR).
178 *
179 * Each extended feature block can be identified/located in
180 * Extended Features Space by walking the extended feature
181 * list starting with the Extended Feature Pointer located
182 * in the Assembly Information CAR.
183 *
184 * Extended Feature Blocks (EFBs) are identified with an assigned
185 * EFB ID. Extended feature block offsets in the definitions are
186 * relative to the offset of the EFB within the  Extended Features
187 * Space.
188 */
189
190/* Helper macros to parse the Extended Feature Block header */
191#define RIO_EFB_PTR_MASK	0xffff0000
192#define RIO_EFB_ID_MASK		0x0000ffff
193#define RIO_GET_BLOCK_PTR(x)	((x & RIO_EFB_PTR_MASK) >> 16)
194#define RIO_GET_BLOCK_ID(x)	(x & RIO_EFB_ID_MASK)
195
196/* Extended Feature Block IDs */
197#define RIO_EFB_PAR_EP_ID	0x0001	/* [IV] LP/LVDS EP Devices */
198#define RIO_EFB_PAR_EP_REC_ID	0x0002	/* [IV] LP/LVDS EP Recovery Devices */
199#define RIO_EFB_PAR_EP_FREE_ID	0x0003	/* [IV] LP/LVDS EP Free Devices */
200#define RIO_EFB_SER_EP_ID_V13P	0x0001	/* [VI] LP/Serial EP Devices, RapidIO Spec ver 1.3 and above */
201#define RIO_EFB_SER_EP_REC_ID_V13P	0x0002	/* [VI] LP/Serial EP Recovery Devices, RapidIO Spec ver 1.3 and above */
202#define RIO_EFB_SER_EP_FREE_ID_V13P	0x0003	/* [VI] LP/Serial EP Free Devices, RapidIO Spec ver 1.3 and above */
203#define RIO_EFB_SER_EP_ID	0x0004	/* [VI] LP/Serial EP Devices */
204#define RIO_EFB_SER_EP_REC_ID	0x0005	/* [VI] LP/Serial EP Recovery Devices */
205#define RIO_EFB_SER_EP_FREE_ID	0x0006	/* [VI] LP/Serial EP Free Devices */
206#define RIO_EFB_SER_EP_FREC_ID	0x0009  /* [VI] LP/Serial EP Free Recovery Devices */
207#define RIO_EFB_ERR_MGMNT	0x0007  /* [VIII] Error Management Extensions */
208
209/*
210 * Physical 8/16 LP-LVDS
211 * ID=0x0001, Generic End Point Devices
212 * ID=0x0002, Generic End Point Devices, software assisted recovery option
213 * ID=0x0003, Generic End Point Free Devices
214 *
215 * Physical LP-Serial
216 * ID=0x0004, Generic End Point Devices
217 * ID=0x0005, Generic End Point Devices, software assisted recovery option
218 * ID=0x0006, Generic End Point Free Devices
219 */
220#define RIO_PORT_MNT_HEADER		0x0000
221#define RIO_PORT_REQ_CTL_CSR		0x0020
222#define RIO_PORT_RSP_CTL_CSR		0x0024	/* 0x0001/0x0002 */
223#define RIO_PORT_LINKTO_CTL_CSR		0x0020	/* Serial */
224#define RIO_PORT_RSPTO_CTL_CSR		0x0024	/* Serial */
225#define RIO_PORT_GEN_CTL_CSR		0x003c
226#define  RIO_PORT_GEN_HOST		0x80000000
227#define  RIO_PORT_GEN_MASTER		0x40000000
228#define  RIO_PORT_GEN_DISCOVERED	0x20000000
229#define RIO_PORT_N_MNT_REQ_CSR(x)	(0x0040 + x*0x20)	/* 0x0002 */
230#define  RIO_MNT_REQ_CMD_RD		0x03	/* Reset-device command */
231#define  RIO_MNT_REQ_CMD_IS		0x04	/* Input-status command */
232#define RIO_PORT_N_MNT_RSP_CSR(x)	(0x0044 + x*0x20)	/* 0x0002 */
233#define  RIO_PORT_N_MNT_RSP_RVAL	0x80000000 /* Response Valid */
234#define  RIO_PORT_N_MNT_RSP_ASTAT	0x000007e0 /* ackID Status */
235#define  RIO_PORT_N_MNT_RSP_LSTAT	0x0000001f /* Link Status */
236#define RIO_PORT_N_ACK_STS_CSR(x)	(0x0048 + x*0x20)	/* 0x0002 */
237#define  RIO_PORT_N_ACK_CLEAR		0x80000000
238#define  RIO_PORT_N_ACK_INBOUND		0x3f000000
239#define  RIO_PORT_N_ACK_OUTSTAND	0x00003f00
240#define  RIO_PORT_N_ACK_OUTBOUND	0x0000003f
241#define RIO_PORT_N_ERR_STS_CSR(x)	(0x0058 + x*0x20)
242#define  RIO_PORT_N_ERR_STS_PW_OUT_ES	0x00010000 /* Output Error-stopped */
243#define  RIO_PORT_N_ERR_STS_PW_INP_ES	0x00000100 /* Input Error-stopped */
244#define  RIO_PORT_N_ERR_STS_PW_PEND	0x00000010 /* Port-Write Pending */
245#define  RIO_PORT_N_ERR_STS_PORT_ERR	0x00000004
246#define  RIO_PORT_N_ERR_STS_PORT_OK	0x00000002
247#define  RIO_PORT_N_ERR_STS_PORT_UNINIT	0x00000001
248#define RIO_PORT_N_CTL_CSR(x)		(0x005c + x*0x20)
249#define  RIO_PORT_N_CTL_PWIDTH		0xc0000000
250#define  RIO_PORT_N_CTL_PWIDTH_1	0x00000000
251#define  RIO_PORT_N_CTL_PWIDTH_4	0x40000000
252#define  RIO_PORT_N_CTL_P_TYP_SER	0x00000001
253#define  RIO_PORT_N_CTL_LOCKOUT		0x00000002
254#define  RIO_PORT_N_CTL_EN_RX_SER	0x00200000
255#define  RIO_PORT_N_CTL_EN_TX_SER	0x00400000
256#define  RIO_PORT_N_CTL_EN_RX_PAR	0x08000000
257#define  RIO_PORT_N_CTL_EN_TX_PAR	0x40000000
258
259/*
260 * Error Management Extensions (RapidIO 1.3+, Part 8)
261 *
262 * Extended Features Block ID=0x0007
263 */
264
265/* General EM Registers (Common for all Ports) */
266
267#define RIO_EM_EFB_HEADER	0x000	/* Error Management Extensions Block Header */
268#define RIO_EM_LTL_ERR_DETECT	0x008	/* Logical/Transport Layer Error Detect CSR */
269#define RIO_EM_LTL_ERR_EN	0x00c	/* Logical/Transport Layer Error Enable CSR */
270#define  REM_LTL_ERR_ILLTRAN		0x08000000 /* Illegal Transaction decode */
271#define  REM_LTL_ERR_UNSOLR		0x00800000 /* Unsolicited Response */
272#define  REM_LTL_ERR_UNSUPTR		0x00400000 /* Unsupported Transaction */
273#define  REM_LTL_ERR_IMPSPEC		0x000000ff /* Implementation Specific */
274#define RIO_EM_LTL_HIADDR_CAP	0x010	/* Logical/Transport Layer High Address Capture CSR */
275#define RIO_EM_LTL_ADDR_CAP	0x014	/* Logical/Transport Layer Address Capture CSR */
276#define RIO_EM_LTL_DEVID_CAP	0x018	/* Logical/Transport Layer Device ID Capture CSR */
277#define RIO_EM_LTL_CTRL_CAP	0x01c	/* Logical/Transport Layer Control Capture CSR */
278#define RIO_EM_PW_TGT_DEVID	0x028	/* Port-write Target deviceID CSR */
279#define RIO_EM_PKT_TTL		0x02c	/* Packet Time-to-live CSR */
280
281/* Per-Port EM Registers */
282
283#define RIO_EM_PN_ERR_DETECT(x)	(0x040 + x*0x40) /* Port N Error Detect CSR */
284#define  REM_PED_IMPL_SPEC		0x80000000
285#define  REM_PED_LINK_TO		0x00000001
286#define RIO_EM_PN_ERRRATE_EN(x) (0x044 + x*0x40) /* Port N Error Rate Enable CSR */
287#define RIO_EM_PN_ATTRIB_CAP(x)	(0x048 + x*0x40) /* Port N Attributes Capture CSR */
288#define RIO_EM_PN_PKT_CAP_0(x)	(0x04c + x*0x40) /* Port N Packet/Control Symbol Capture 0 CSR */
289#define RIO_EM_PN_PKT_CAP_1(x)	(0x050 + x*0x40) /* Port N Packet Capture 1 CSR */
290#define RIO_EM_PN_PKT_CAP_2(x)	(0x054 + x*0x40) /* Port N Packet Capture 2 CSR */
291#define RIO_EM_PN_PKT_CAP_3(x)	(0x058 + x*0x40) /* Port N Packet Capture 3 CSR */
292#define RIO_EM_PN_ERRRATE(x)	(0x068 + x*0x40) /* Port N Error Rate CSR */
293#define RIO_EM_PN_ERRRATE_TR(x) (0x06c + x*0x40) /* Port N Error Rate Threshold CSR */
294
295#endif				/* LINUX_RIO_REGS_H */
296