xref: /freebsd/sys/dev/mvs/mvs.h (revision bc7512cc58af2e8bbe5bbf5ca0059b1daa1da897)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification, immediately at the beginning of the file.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #include "mvs_if.h"
32 
33 /* Chip registers */
34 #define CHIP_PCIEIC		0x1900	/* PCIe Interrupt Cause */
35 #define CHIP_PCIEIM		0x1910	/* PCIe Interrupt Mask */
36 #define CHIP_PCIIC		0x1d58	/* PCI Interrupt Cause */
37 #define CHIP_PCIIM		0x1d5c	/* PCI Interrupt Mask */
38 #define CHIP_MIC		0x1d60	/* Main Interrupt Cause */
39 #define CHIP_MIM		0x1d64	/* Main Interrupt Mask */
40 #define CHIP_SOC_MIC		0x20	/* SoC Main Interrupt Cause */
41 #define CHIP_SOC_MIM		0x24	/* SoC Main Interrupt Mask */
42 #define IC_ERR_IRQ		 (1 << 0)	/* shift by (2 * port #) */
43 #define IC_DONE_IRQ		 (1 << 1)	/* shift by (2 * port #) */
44 #define IC_HC0			 0x000001ff	/* bits 0-8 = HC0 */
45 #define IC_HC_SHIFT		 9		/* HC1 shift */
46 #define IC_HC1			 (IC_HC0 << IC_HC_SHIFT) /* 9-17 = HC1 */
47 #define IC_ERR_HC0		 0x00000055	/* HC0 ERR_IRQ */
48 #define IC_DONE_HC0		 0x000000aa	/* HC0 DONE_IRQ */
49 #define IC_ERR_HC1		 (IC_ERR_HC0 << IC_HC_SHIFT) /* HC1 ERR_IRQ */
50 #define IC_DONE_HC1		 (IC_DONE_HC0 << IC_HC_SHIFT) /* HC1 DONE_IRQ */
51 #define IC_HC0_COAL_DONE	 (1 << 8)	/* HC0 IRQ coalescing */
52 #define IC_HC1_COAL_DONE	 (1 << 17)	/* HC1 IRQ coalescing */
53 #define IC_PCI_ERR		 (1 << 18)
54 #define IC_TRAN_COAL_LO_DONE	 (1 << 19)	/* transaction coalescing */
55 #define IC_TRAN_COAL_HI_DONE	 (1 << 20)	/* transaction coalescing */
56 #define IC_ALL_PORTS_COAL_DONE	 (1 << 21)	/* GEN_II(E) IRQ coalescing */
57 #define IC_GPIO_INT		 (1 << 22)
58 #define IC_SELF_INT		 (1 << 23)
59 #define IC_TWSI_INT		 (1 << 24)
60 #define IC_MAIN_RSVD		 (0xfe000000)	/* bits 31-25 */
61 #define IC_MAIN_RSVD_5		 (0xfff10000)	/* bits 31-19 */
62 #define IC_MAIN_RSVD_SOC	 (0xfffffec0)	/* bits 31-9, 7-6 */
63 
64 #define CHIP_SOC_LED		0x2C	/* SoC LED Configuration */
65 
66 /* Additional mask for SoC devices with less than 4 channels */
67 #define CHIP_SOC_HC0_MASK(num)	(0xff >> ((4 - (num)) * 2))
68 
69 /* Chip CCC registers */
70 #define CHIP_ICC		0x18008
71 #define CHIP_ICC_ALL_PORTS	 (1 << 4)	/* all ports irq event */
72 #define CHIP_ICT 		0x180cc
73 #define CHIP_ITT		0x180d0
74 #define CHIP_TRAN_COAL_CAUSE_LO	0x18088
75 #define CHIP_TRAN_COAL_CAUSE_HI	0x1808c
76 
77 /* Host Controller registers */
78 #define HC_SIZE			0x10000
79 #define HC_OFFSET		0x20000
80 #define HC_BASE(hc)		((hc) * HC_SIZE + HC_OFFSET)
81 
82 #define HC_CFG			0x0	/* Configuration */
83 #define HC_CFG_TIMEOUT_MASK	 (0xff << 0)
84 #define HC_CFG_NODMABS		 (1 << 8)
85 #define HC_CFG_NOEDMABS		 (1 << 9)
86 #define HC_CFG_NOPRDBS		 (1 << 10)
87 #define HC_CFG_TIMEOUTEN	 (1 << 16)	/* Timer Enable */
88 #define HC_CFG_COALDIS(p)	 (1 << ((p) + 24))/* Coalescing Disable*/
89 #define HC_RQOP			0x4	/* Request Queue Out-Pointer */
90 #define HC_RQIP			0x8	/* Response Queue In-Pointer */
91 #define HC_ICT			0xc	/* Interrupt Coalescing Threshold */
92 #define HC_ICT_SAICOALT_MASK	 0x000000ff
93 #define HC_ITT			0x10	/* Interrupt Time Threshold */
94 #define HC_ITT_SAITMTH_MASK	 0x00ffffff
95 #define HC_IC			0x14	/* Interrupt Cause */
96 #define HC_IC_DONE(p)		 (1 << (p))	/* SaCrpb/DMA Done */
97 #define HC_IC_COAL		 (1 << 4)	/* Intr Coalescing */
98 #define HC_IC_DEV(p)		 (1 << ((p) + 8)) /* Device Intr */
99 
100 /* Port registers */
101 #define PORT_SIZE		0x2000
102 #define PORT_OFFSET		0x2000
103 #define PORT_BASE(hc)		((hc) * PORT_SIZE + PORT_OFFSET)
104 
105 #define EDMA_CFG		0x0	/* Configuration */
106 #define EDMA_CFG_RESERVED	 (0x1f << 0)	/* Queue len ? */
107 #define EDMA_CFG_ESATANATVCMDQUE (1 << 5)
108 #define EDMA_CFG_ERDBSZ		 (1 << 8)
109 #define EDMA_CFG_EQUE		 (1 << 9)
110 #define EDMA_CFG_ERDBSZEXT	 (1 << 11)
111 #define EDMA_CFG_RESERVED2	 (1 << 12)
112 #define EDMA_CFG_EWRBUFFERLEN	 (1 << 13)
113 #define EDMA_CFG_EDEVERR	 (1 << 14)
114 #define EDMA_CFG_EEDMAFBS	 (1 << 16)
115 #define EDMA_CFG_ECUTTHROUGHEN	 (1 << 17)
116 #define EDMA_CFG_EEARLYCOMPLETIONEN (1 << 18)
117 #define EDMA_CFG_EEDMAQUELEN	 (1 << 19)
118 #define EDMA_CFG_EHOSTQUEUECACHEEN (1 << 22)
119 #define EDMA_CFG_EMASKRXPM	 (1 << 23)
120 #define EDMA_CFG_RESUMEDIS	 (1 << 24)
121 #define EDMA_CFG_EDMAFBS	 (1 << 26)
122 #define EDMA_T			0x4	/* Timer */
123 #define EDMA_IEC		0x8	/* Interrupt Error Cause */
124 #define EDMA_IEM		0xc	/* Interrupt Error Mask */
125 #define EDMA_IE_EDEVERR		 (1 << 2)	/* EDMA Device Error */
126 #define EDMA_IE_EDEVDIS		 (1 << 3)	/* EDMA Dev Disconn */
127 #define EDMA_IE_EDEVCON		 (1 << 4)	/* EDMA Dev Conn */
128 #define EDMA_IE_SERRINT		 (1 << 5)
129 #define EDMA_IE_ESELFDIS	 (1 << 7)	/* EDMA Self Disable */
130 #define EDMA_IE_ETRANSINT	 (1 << 8)	/* Transport Layer */
131 #define EDMA_IE_EIORDYERR	 (1 << 12)	/* EDMA IORdy Error */
132 #define EDMA_IE_LINKXERR_SATACRC (1 << 0)	/* SATA CRC error */
133 #define EDMA_IE_LINKXERR_INTERNALFIFO	(1 << 1)	/* internal FIFO err */
134 #define EDMA_IE_LINKXERR_LINKLAYERRESET	(1 << 2)
135 	/* Link Layer is reset by the reception of SYNC primitive from device */
136 #define EDMA_IE_LINKXERR_OTHERERRORS	(1 << 3)
137 	/*
138 	 * Link state errors, coding errors, or running disparity errors occur
139 	 * during FIS reception.
140 	 */
141 #define EDMA_IE_LINKTXERR_FISTXABORTED   (1 << 4)	/* FIS Tx is aborted */
142 #define EDMA_IE_LINKCTLRXERR(x)		((x) << 13)	/* Link Ctrl Recv Err */
143 #define EDMA_IE_LINKDATARXERR(x)	((x) << 17)	/* Link Data Recv Err */
144 #define EDMA_IE_LINKCTLTXERR(x)		((x) << 21)	/* Link Ctrl Tx Error */
145 #define EDMA_IE_LINKDATATXERR(x)	((x) << 26)	/* Link Data Tx Error */
146 #define EDMA_IE_TRANSPROTERR		(1U << 31)	/* Transport Proto E */
147 #define EDMA_IE_TRANSIENT		(EDMA_IE_LINKCTLRXERR(0x0b) | \
148 					 EDMA_IE_LINKCTLTXERR(0x1f))
149 							/* Non-fatal Errors */
150 #define EDMA_REQQBAH		0x10	/* Request Queue Base Address High */
151 #define EDMA_REQQIP		0x14	/* Request Queue In-Pointer */
152 #define EDMA_REQQOP		0x18	/* Request Queue Out-Pointer */
153 #define EDMA_REQQP_ERQQP_SHIFT	 5
154 #define EDMA_REQQP_ERQQP_MASK	 0x000003e0
155 #define EDMA_REQQP_ERQQBAP_MASK	 0x00000c00
156 #define EDMA_REQQP_ERQQBA_MASK	 0xfffff000
157 #define EDMA_RESQBAH		0x1c	/* Response Queue Base Address High */
158 #define EDMA_RESQIP		0x20	/* Response Queue In-Pointer */
159 #define EDMA_RESQOP		0x24	/* Response Queue Out-Pointer */
160 #define EDMA_RESQP_ERPQP_SHIFT	 3
161 #define EDMA_RESQP_ERPQP_MASK	 0x000000f8
162 #define EDMA_RESQP_ERPQBAP_MASK	 0x00000300
163 #define EDMA_RESQP_ERPQBA_MASK	 0xfffffc00
164 #define EDMA_CMD		0x28	/* Command */
165 #define EDMA_CMD_EENEDMA	 (1 << 0)	/* Enable EDMA */
166 #define EDMA_CMD_EDSEDMA	 (1 << 1)	/* Disable EDMA */
167 #define EDMA_CMD_EATARST	 (1 << 2)	/* ATA Device Reset */
168 #define EDMA_CMD_EEDMAFRZ	 (1 << 4)	/* EDMA Freeze */
169 #define EDMA_TC			0x2c	/* Test Control */
170 #define EDMA_S			0x30	/* Status */
171 #define EDMA_S_EDEVQUETAG(s)	 ((s) & 0x0000001f)
172 #define EDMA_S_EDEVDIR_WRITE	 (0 << 5)
173 #define EDMA_S_EDEVDIR_READ	 (1 << 5)
174 #define EDMA_S_ECACHEEMPTY	 (1 << 6)
175 #define EDMA_S_EDMAIDLE		 (1 << 7)
176 #define EDMA_S_ESTATE(s)	 (((s) & 0x0000ff00) >> 8)
177 #define EDMA_S_EIOID(s)		 (((s) & 0x003f0000) >> 16)
178 #define EDMA_IORT		0x34	/* IORdy Timeout */
179 #define EDMA_CDT		0x40	/* Command Delay Threshold */
180 #define EDMA_HC			0x60	/* Halt Condition */
181 #define EDMA_UNKN_RESD		0x6C	/* Unknown register */
182 #define EDMA_CQDCQOS(x)		(0x90 + ((x) << 2)
183 					/* NCQ Done/TCQ Outstanding Status */
184 
185 /* ATA register defines */
186 #define ATA_DATA                        0x100	/* (RW) data */
187 #define ATA_FEATURE                     0x104	/* (W) feature */
188 #define         ATA_F_DMA                0x01	/* enable DMA */
189 #define         ATA_F_OVL                0x02	/* enable overlap */
190 #define ATA_ERROR                       0x104	/* (R) error */
191 #define         ATA_E_ILI                0x01	/* illegal length */
192 #define         ATA_E_NM                 0x02	/* no media */
193 #define         ATA_E_ABORT              0x04	/* command aborted */
194 #define         ATA_E_MCR                0x08	/* media change request */
195 #define         ATA_E_IDNF               0x10	/* ID not found */
196 #define         ATA_E_MC                 0x20	/* media changed */
197 #define         ATA_E_UNC                0x40	/* uncorrectable data */
198 #define         ATA_E_ICRC               0x80	/* UDMA crc error */
199 #define		ATA_E_ATAPI_SENSE_MASK	 0xf0	/* ATAPI sense key mask */
200 #define ATA_COUNT                       0x108	/* (W) sector count */
201 #define ATA_IREASON                     0x108   /* (R) interrupt reason */
202 #define         ATA_I_CMD                0x01	/* cmd (1) | data (0) */
203 #define         ATA_I_IN                 0x02	/* read (1) | write (0) */
204 #define         ATA_I_RELEASE            0x04	/* released bus (1) */
205 #define         ATA_I_TAGMASK            0xf8	/* tag mask */
206 #define ATA_SECTOR                      0x10c	/* (RW) sector # */
207 #define ATA_CYL_LSB                     0x110	/* (RW) cylinder# LSB */
208 #define ATA_CYL_MSB                     0x114	/* (RW) cylinder# MSB */
209 #define ATA_DRIVE                       0x118	/* (W) Sector/Drive/Head */
210 #define         ATA_D_LBA                0x40	/* use LBA addressing */
211 #define         ATA_D_IBM                0xa0	/* 512 byte sectors, ECC */
212 #define ATA_COMMAND                     0x11c	/* (W) command */
213 #define ATA_STATUS                      0x11c	/* (R) status */
214 #define         ATA_S_ERROR              0x01	/* error */
215 #define         ATA_S_INDEX              0x02	/* index */
216 #define         ATA_S_CORR               0x04	/* data corrected */
217 #define         ATA_S_DRQ                0x08	/* data request */
218 #define         ATA_S_DSC                0x10	/* drive seek completed */
219 #define         ATA_S_SERVICE            0x10	/* drive needs service */
220 #define         ATA_S_DWF                0x20	/* drive write fault */
221 #define         ATA_S_DMA                0x20	/* DMA ready */
222 #define         ATA_S_READY              0x40	/* drive ready */
223 #define         ATA_S_BUSY               0x80	/* busy */
224 #define ATA_CONTROL                     0x120	/* (W) control */
225 #define         ATA_A_IDS                0x02	/* disable interrupts */
226 #define         ATA_A_RESET              0x04	/* RESET controller */
227 #define         ATA_A_4BIT               0x08	/* 4 head bits */
228 #define         ATA_A_HOB                0x80	/* High Order Byte enable */
229 #define ATA_ALTSTAT                     0x120	/* (R) alternate status */
230 #define ATAPI_P_READ                    (ATA_S_DRQ | ATA_I_IN)
231 #define ATAPI_P_WRITE                   (ATA_S_DRQ)
232 #define ATAPI_P_CMDOUT                  (ATA_S_DRQ | ATA_I_CMD)
233 #define ATAPI_P_DONEDRQ                 (ATA_S_DRQ | ATA_I_CMD | ATA_I_IN)
234 #define ATAPI_P_DONE                    (ATA_I_CMD | ATA_I_IN)
235 #define ATAPI_P_ABORT                   0
236 
237 /* Basic DMA Registers */
238 #define DMA_C				0x224	/* Basic DMA Command */
239 #define DMA_C_START			 (1 << 0)
240 #define DMA_C_READ			 (1 << 3)
241 #define DMA_C_DREGIONVALID		 (1 << 8)
242 #define DMA_C_DREGIONLAST		 (1 << 9)
243 #define DMA_C_CONTFROMPREV		 (1 << 10)
244 #define DMA_C_DRBC(n)			 (((n) & 0xffff) << 16)
245 #define DMA_S				0x228	/* Basic DMA Status */
246 #define DMA_S_ACT			 (1 << 0) /* Active */
247 #define DMA_S_ERR			 (1 << 1) /* Error */
248 #define DMA_S_PAUSED			 (1 << 2) /* Paused */
249 #define DMA_S_LAST			 (1 << 3) /* Last */
250 #define DMA_DTLBA			0x22c	/* Descriptor Table Low Base Address */
251 #define DMA_DTLBA_MASK			 0xfffffff0
252 #define DMA_DTHBA			0x230	/* Descriptor Table High Base Address */
253 #define DMA_DRLA			0x234	/* Data Region Low Address */
254 #define DMA_DRHA			0x238	/* Data Region High Address */
255 
256 /* Serial-ATA Registers */
257 #define SATA_SS				0x300	/* SStatus */
258 #define        SATA_SS_DET_MASK         0x0000000f
259 #define        SATA_SS_DET_NO_DEVICE    0x00000000
260 #define        SATA_SS_DET_DEV_PRESENT  0x00000001
261 #define        SATA_SS_DET_PHY_ONLINE   0x00000003
262 #define        SATA_SS_DET_PHY_OFFLINE  0x00000004
263 
264 #define        SATA_SS_SPD_MASK         0x000000f0
265 #define        SATA_SS_SPD_NO_SPEED     0x00000000
266 #define        SATA_SS_SPD_GEN1         0x00000010
267 #define        SATA_SS_SPD_GEN2         0x00000020
268 #define        SATA_SS_SPD_GEN3         0x00000030
269 
270 #define        SATA_SS_IPM_MASK         0x00000f00
271 #define        SATA_SS_IPM_NO_DEVICE    0x00000000
272 #define        SATA_SS_IPM_ACTIVE       0x00000100
273 #define        SATA_SS_IPM_PARTIAL      0x00000200
274 #define        SATA_SS_IPM_SLUMBER      0x00000600
275 #define SATA_SE				0x304	/* SError */
276 #define SATA_SEIM			0x340	/* SError Interrupt Mask */
277 #define        SATA_SE_DATA_CORRECTED   0x00000001
278 #define        SATA_SE_COMM_CORRECTED   0x00000002
279 #define        SATA_SE_DATA_ERR         0x00000100
280 #define        SATA_SE_COMM_ERR         0x00000200
281 #define        SATA_SE_PROT_ERR         0x00000400
282 #define        SATA_SE_HOST_ERR         0x00000800
283 #define        SATA_SE_PHY_CHANGED      0x00010000
284 #define        SATA_SE_PHY_IERROR       0x00020000
285 #define        SATA_SE_COMM_WAKE        0x00040000
286 #define        SATA_SE_DECODE_ERR       0x00080000
287 #define        SATA_SE_PARITY_ERR       0x00100000
288 #define        SATA_SE_CRC_ERR          0x00200000
289 #define        SATA_SE_HANDSHAKE_ERR    0x00400000
290 #define        SATA_SE_LINKSEQ_ERR      0x00800000
291 #define        SATA_SE_TRANSPORT_ERR    0x01000000
292 #define        SATA_SE_UNKNOWN_FIS      0x02000000
293 #define SATA_SC				0x308	/* SControl */
294 #define        SATA_SC_DET_MASK         0x0000000f
295 #define        SATA_SC_DET_IDLE         0x00000000
296 #define        SATA_SC_DET_RESET        0x00000001
297 #define        SATA_SC_DET_DISABLE      0x00000004
298 
299 #define        SATA_SC_SPD_MASK         0x000000f0
300 #define        SATA_SC_SPD_NO_SPEED     0x00000000
301 #define        SATA_SC_SPD_SPEED_GEN1   0x00000010
302 #define        SATA_SC_SPD_SPEED_GEN2   0x00000020
303 #define        SATA_SC_SPD_SPEED_GEN3   0x00000030
304 
305 #define        SATA_SC_IPM_MASK         0x00000f00
306 #define        SATA_SC_IPM_NONE         0x00000000
307 #define        SATA_SC_IPM_DIS_PARTIAL  0x00000100
308 #define        SATA_SC_IPM_DIS_SLUMBER  0x00000200
309 
310 #define        SATA_SC_SPM_MASK		0x0000f000
311 #define        SATA_SC_SPM_NONE		0x00000000
312 #define        SATA_SC_SPM_PARTIAL	0x00001000
313 #define        SATA_SC_SPM_SLUMBER	0x00002000
314 #define        SATA_SC_SPM_ACTIVE	0x00004000
315 #define SATA_LTM			0x30c	/* LTMode */
316 #define SATA_PHYM3			0x310	/* PHY Mode 3 */
317 #define SATA_PHYM4			0x314	/* PHY Mode 4 */
318 #define SATA_PHYM1			0x32c	/* PHY Mode 1 */
319 #define SATA_PHYM2			0x330	/* PHY Mode 2 */
320 #define SATA_BISTC			0x334	/* BIST Control */
321 #define SATA_BISTDW1			0x338	/* BIST DW1 */
322 #define SATA_BISTDW2			0x33c	/* BIST DW2 */
323 #define SATA_SATAICFG			0x050	/* Serial-ATA Interface Configuration */
324 #define SATA_SATAICFG_REFCLKCNF_20MHZ	 (0 << 0)
325 #define SATA_SATAICFG_REFCLKCNF_25MHZ	 (1 << 0)
326 #define SATA_SATAICFG_REFCLKCNF_30MHZ	 (2 << 0)
327 #define SATA_SATAICFG_REFCLKCNF_40MHZ	 (3 << 0)
328 #define SATA_SATAICFG_REFCLKCNF_MASK	 (3 << 0)
329 #define SATA_SATAICFG_REFCLKDIV_1	 (0 << 2)
330 #define SATA_SATAICFG_REFCLKDIV_2	 (1 << 2)	/* Used 20 or 25MHz */
331 #define SATA_SATAICFG_REFCLKDIV_4	 (2 << 2)	/* Used 40MHz */
332 #define SATA_SATAICFG_REFCLKDIV_3	 (3 << 2)	/* Used 30MHz */
333 #define SATA_SATAICFG_REFCLKDIV_MASK	 (3 << 2)
334 #define SATA_SATAICFG_REFCLKFEEDDIV_50	 (0 << 4)	/* or 100, when Gen2En is 1 */
335 #define SATA_SATAICFG_REFCLKFEEDDIV_60	 (1 << 4)	/* or 120. Used 25MHz */
336 #define SATA_SATAICFG_REFCLKFEEDDIV_75	 (2 << 4)	/* or 150. Used 20MHz */
337 #define SATA_SATAICFG_REFCLKFEEDDIV_90	 (3 << 4)	/* or 180 */
338 #define SATA_SATAICFG_REFCLKFEEDDIV_MASK (3 << 4)
339 #define SATA_SATAICFG_PHYSSCEN		 (1 << 6)
340 #define SATA_SATAICFG_GEN2EN		 (1 << 7)
341 #define SATA_SATAICFG_COMMEN		 (1 << 8)
342 #define SATA_SATAICFG_PHYSHUTDOWN	 (1 << 9)
343 #define SATA_SATAICFG_TARGETMODE	 (1 << 10)	/* 1 = Initiator */
344 #define SATA_SATAICFG_COMCHANNEL	 (1 << 11)
345 #define SATA_SATAICFG_IGNOREBSY		 (1 << 24)
346 #define SATA_SATAICFG_LINKRSTEN		 (1 << 25)
347 #define SATA_SATAICFG_CMDRETXDS		 (1 << 26)
348 #define SATA_SATAICTL			0x344	/* Serial-ATA Interface Control */
349 #define SATA_SATAICTL_PMPTX_MASK	 0x0000000f
350 #define SATA_SATAICTL_PMPTX_SHIFT	 0
351 #define SATA_SATAICTL_VUM		 (1 << 8)
352 #define SATA_SATAICTL_VUS		 (1 << 9)
353 #define SATA_SATAICTL_EDMAACT		 (1 << 16)
354 #define SATA_SATAICTL_CLEARSTAT		 (1 << 24)
355 #define SATA_SATAICTL_SRST		 (1 << 25)
356 #define SATA_SATAITC			0x348	/* Serial-ATA Interface Test Control */
357 #define SATA_SATAIS			0x34c	/* Serial-ATA Interface Status */
358 #define SATA_VU				0x35c	/* Vendor Unique */
359 #define SATA_FISC			0x360	/* FIS Configuration */
360 #define SATA_FISC_FISWAIT4RDYEN_B0	 (1 << 0) /* Device to Host FIS */
361 #define SATA_FISC_FISWAIT4RDYEN_B1	 (1 << 1) /* SDB FIS rcv with <N>bit 0 */
362 #define SATA_FISC_FISWAIT4RDYEN_B2	 (1 << 2) /* DMA Activate FIS */
363 #define SATA_FISC_FISWAIT4RDYEN_B3	 (1 << 3) /* DMA Setup FIS */
364 #define SATA_FISC_FISWAIT4RDYEN_B4	 (1 << 4) /* Data FIS first DW */
365 #define SATA_FISC_FISWAIT4RDYEN_B5	 (1 << 5) /* Data FIS entire FIS */
366 #define SATA_FISC_FISWAIT4HOSTRDYEN_B0	 (1 << 8)
367 				/* Device to Host FIS with <ERR> or <DF> */
368 #define SATA_FISC_FISWAIT4HOSTRDYEN_B1	 (1 << 9) /* SDB FIS rcv with <N>bit */
369 #define SATA_FISC_FISWAIT4HOSTRDYEN_B2	 (1 << 10) /* SDB FIS rcv with <ERR> */
370 #define SATA_FISC_FISWAIT4HOSTRDYEN_B3	 (1 << 11) /* BIST Acivate FIS */
371 #define SATA_FISC_FISWAIT4HOSTRDYEN_B4	 (1 << 12) /* PIO Setup FIS */
372 #define SATA_FISC_FISWAIT4HOSTRDYEN_B5	 (1 << 13) /* Data FIS with Link error */
373 #define SATA_FISC_FISWAIT4HOSTRDYEN_B6	 (1 << 14) /* Unrecognized FIS type */
374 #define SATA_FISC_FISWAIT4HOSTRDYEN_B7	 (1 << 15) /* Any FIS */
375 #define SATA_FISC_FISDMAACTIVATESYNCRESP (1 << 16)
376 #define SATA_FISC_FISUNRECTYPECONT	 (1 << 17)
377 #define SATA_FISIC			0x364	/* FIS Interrupt Cause */
378 #define SATA_FISIM			0x368	/* FIS Interrupt Mask */
379 #define SATA_FISDW0			0x370	/* FIS DW0 */
380 #define SATA_FISDW1			0x374	/* FIS DW1 */
381 #define SATA_FISDW2			0x378	/* FIS DW2 */
382 #define SATA_FISDW3			0x37c	/* FIS DW3 */
383 #define SATA_FISDW4			0x380	/* FIS DW4 */
384 #define SATA_FISDW5			0x384	/* FIS DW5 */
385 #define SATA_FISDW6			0x388	/* FIS DW6 */
386 
387 #define SATA_PHYM9_GEN2			0x398
388 #define SATA_PHYM9_GEN1			0x39c
389 #define SATA_PHYCFG_OFS			0x3a0	/* 65nm SoCs only */
390 
391 #define MVS_MAX_PORTS			8
392 #define MVS_MAX_SLOTS			32
393 
394 /* Pessimistic prognosis on number of required S/G entries */
395 #define MVS_SG_ENTRIES		(btoc(maxphys) + 1)
396 
397 /* EDMA Command Request Block (CRQB) Data */
398 struct mvs_crqb {
399 	uint32_t cprdbl;	/* cPRD Desriptor Table Base Low Address */
400 	uint32_t cprdbh;	/* cPRD Desriptor Table Base High Address */
401 	uint16_t ctrlflg;	/* Control Flags */
402 #define MVS_CRQB_READ		0x0001
403 #define MVS_CRQB_TAG_MASK	0x003e
404 #define MVS_CRQB_TAG_SHIFT	1
405 #define MVS_CRQB_PMP_MASK	0xf000
406 #define MVS_CRQB_PMP_SHIFT	12
407 	uint8_t cmd[22];
408 } __packed;
409 
410 struct mvs_crqb_gen2e {
411 	uint32_t cprdbl;	/* cPRD Desriptor Table Base Low Address */
412 	uint32_t cprdbh;	/* cPRD Desriptor Table Base High Address */
413 	uint32_t ctrlflg;	/* Control Flags */
414 #define MVS_CRQB2E_READ		0x00000001
415 #define MVS_CRQB2E_DTAG_MASK	0x0000003e
416 #define MVS_CRQB2E_DTAG_SHIFT	1
417 #define MVS_CRQB2E_PMP_MASK	0x0000f000
418 #define MVS_CRQB2E_PMP_SHIFT	12
419 #define MVS_CRQB2E_CPRD		0x00010000
420 #define MVS_CRQB2E_HTAG_MASK	0x003e0000
421 #define MVS_CRQB2E_HTAG_SHIFT	17
422 	uint32_t drbc;		/* Data Region Byte Count */
423 	uint8_t cmd[16];
424 } __packed;
425 
426 /* EDMA Phisical Region Descriptors (ePRD) Table Data Structure */
427 struct mvs_eprd {
428 	uint32_t prdbal;	/* Address bits[31:1] */
429 	uint32_t bytecount;	/* Byte Count */
430 #define MVS_EPRD_MASK		0x0000ffff      /* max 64KB */
431 #define MVS_EPRD_MAX		(MVS_EPRD_MASK + 1)
432 #define MVS_EPRD_EOF		0x80000000
433 	uint32_t prdbah;	/* Address bits[63:32] */
434 	uint32_t resv;
435 } __packed;
436 
437 /* Command request blocks. 32 commands. First 1Kbyte aligned. */
438 #define MVS_CRQB_OFFSET		0
439 #define MVS_CRQB_SIZE		32	/* sizeof(struct mvs_crqb) */
440 #define MVS_CRQB_MASK		0x000003e0
441 #define MVS_CRQB_SHIFT		5
442 #define MVS_CRQB_TO_ADDR(slot)	((slot) << MVS_CRQB_SHIFT)
443 #define MVS_ADDR_TO_CRQB(addr)	(((addr) & MVS_CRQB_MASK) >> MVS_CRQB_SHIFT)
444 /* ePRD blocks. Up to 32 commands, Each 16byte aligned. */
445 #define MVS_EPRD_OFFSET		(MVS_CRQB_OFFSET + MVS_CRQB_SIZE * MVS_MAX_SLOTS)
446 #define MVS_EPRD_SIZE		(MVS_SG_ENTRIES * 16) /* sizeof(struct mvs_eprd) */
447 /* Request work area. */
448 #define MVS_WORKRQ_SIZE		(MVS_EPRD_OFFSET + MVS_EPRD_SIZE * MVS_MAX_SLOTS)
449 
450 /* EDMA Command Response Block (CRPB) Data */
451 struct mvs_crpb {
452 	uint16_t id;		/* CRPB ID */
453 #define MVS_CRPB_TAG_MASK	0x001F
454 #define MVS_CRPB_TAG_SHIFT	0
455 	uint16_t rspflg;	/* CPRB Response Flags */
456 #define MVS_CRPB_EDMASTS_MASK	0x007F
457 #define MVS_CRPB_EDMASTS_SHIFT	0
458 #define MVS_CRPB_ATASTS_MASK	0xFF00
459 #define MVS_CRPB_ATASTS_SHIFT	8
460 	uint32_t ts;		/* CPRB Time Stamp */
461 } __packed;
462 
463 /* Command response blocks. 32 commands. First 256byte aligned. */
464 #define MVS_CRPB_OFFSET		0
465 #define MVS_CRPB_SIZE		sizeof(struct mvs_crpb)
466 #define MVS_CRPB_MASK		0x000000f8
467 #define MVS_CRPB_SHIFT		3
468 #define MVS_CRPB_TO_ADDR(slot)	((slot) << MVS_CRPB_SHIFT)
469 #define MVS_ADDR_TO_CRPB(addr)	(((addr) & MVS_CRPB_MASK) >> MVS_CRPB_SHIFT)
470 /* Request work area. */
471 #define MVS_WORKRP_SIZE		(MVS_CRPB_OFFSET + MVS_CRPB_SIZE * MVS_MAX_SLOTS)
472 
473 /* misc defines */
474 #define ATA_IRQ_RID		0
475 #define ATA_INTR_FLAGS		(INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY)
476 
477 struct ata_dmaslot {
478     bus_dmamap_t                data_map;       /* Data DMA map */
479     bus_addr_t			addr;		/* Data address */
480     uint16_t			len;		/* Data size */
481 };
482 
483 /* structure holding DMA related information */
484 struct mvs_dma {
485     bus_dma_tag_t               workrq_tag;	/* Request workspace DMA tag */
486     bus_dmamap_t                workrq_map;	/* Request workspace DMA map */
487     uint8_t                     *workrq;	/* Request workspace */
488     bus_addr_t                  workrq_bus;	/* Request bus address */
489     bus_dma_tag_t               workrp_tag;	/* Reply workspace DMA tag */
490     bus_dmamap_t                workrp_map;	/* Reply workspace DMA map */
491     uint8_t                     *workrp;	/* Reply workspace */
492     bus_addr_t                  workrp_bus;	/* Reply bus address */
493     bus_dma_tag_t               data_tag;	/* Data DMA tag */
494 };
495 
496 enum mvs_slot_states {
497 	MVS_SLOT_EMPTY,
498 	MVS_SLOT_LOADING,
499 	MVS_SLOT_RUNNING,
500 	MVS_SLOT_EXECUTING
501 };
502 
503 struct mvs_slot {
504     device_t                    dev;            /* Device handle */
505     int				slot;           /* Number of this slot */
506     int				tag;            /* Used command tag */
507     enum mvs_slot_states	state;          /* Slot state */
508     u_int			eprd_offset;	/* EPRD offset */
509     union ccb			*ccb;		/* CCB occupying slot */
510     struct ata_dmaslot          dma;            /* DMA data of this slot */
511     struct callout              timeout;        /* Execution timeout */
512 };
513 
514 struct mvs_device {
515 	int			revision;
516 	int			mode;
517 	u_int			bytecount;
518 	u_int			atapi;
519 	u_int			tags;
520 	u_int			caps;
521 };
522 
523 enum mvs_edma_mode {
524 	MVS_EDMA_UNKNOWN,
525 	MVS_EDMA_OFF,
526 	MVS_EDMA_ON,
527 	MVS_EDMA_QUEUED,
528 	MVS_EDMA_NCQ,
529 };
530 
531 /* structure describing an ATA channel */
532 struct mvs_channel {
533 	device_t		dev;            /* Device handle */
534 	int			unit;           /* Physical channel */
535 	struct resource		*r_mem;		/* Memory of this channel */
536 	struct resource		*r_irq;         /* Interrupt of this channel */
537 	void			*ih;            /* Interrupt handle */
538 	struct mvs_dma		dma;            /* DMA data */
539 	struct cam_sim		*sim;
540 	struct cam_path		*path;
541 	int			quirks;
542 #define MVS_Q_GENI	1
543 #define MVS_Q_GENII	2
544 #define MVS_Q_GENIIE	4
545 #define MVS_Q_SOC	8
546 #define MVS_Q_CT	16
547 #define MVS_Q_SOC65	32
548 	int			pm_level;	/* power management level */
549 
550 	struct mvs_slot		slot[MVS_MAX_SLOTS];
551 	union ccb		*hold[MVS_MAX_SLOTS];
552 	int			holdtag[MVS_MAX_SLOTS]; /* Tags used for held commands. */
553 	struct mtx		mtx;		/* state lock */
554 	int			devices;        /* What is present */
555 	int			pm_present;	/* PM presence reported */
556 	enum mvs_edma_mode	curr_mode;	/* Current EDMA mode */
557 	int			fbs_enabled;	/* FIS-based switching enabled */
558 	uint32_t		oslots;		/* Occupied slots */
559 	uint32_t		otagspd[16];	/* Occupied device tags */
560 	uint32_t		rslots;		/* Running slots */
561 	uint32_t		aslots;		/* Slots with atomic commands  */
562 	uint32_t		eslots;		/* Slots in error */
563 	uint32_t		toslots;	/* Slots in timeout */
564 	int			numrslots;	/* Number of running slots */
565 	int			numrslotspd[16];/* Number of running slots per dev */
566 	int			numpslots;	/* Number of PIO slots */
567 	int			numdslots;	/* Number of DMA slots */
568 	int			numtslots;	/* Number of NCQ slots */
569 	int			numtslotspd[16];/* Number of NCQ slots per dev */
570 	int			numhslots;	/* Number of held slots */
571 	int			recoverycmd;	/* Our READ LOG active */
572 	int			fatalerr;	/* Fatal error happened */
573 	int			lastslot;	/* Last used slot */
574 	int			taggedtarget;	/* Last tagged target */
575 	int			resetting;	/* Hard-reset in progress. */
576 	int			resetpolldiv;	/* Hard-reset poll divider. */
577 	int			out_idx;	/* Next written CRQB */
578 	int			in_idx;		/* Next read CRPB */
579 	u_int			transfersize;	/* PIO transfer size */
580 	u_int			donecount;	/* PIO bytes sent/received */
581 	u_int			basic_dma;	/* Basic DMA used for ATAPI */
582 	u_int			fake_busy;	/* Fake busy bit after command submission */
583 	union ccb		*frozen;	/* Frozen command */
584 	struct callout		pm_timer;	/* Power management events */
585 	struct callout		reset_timer;	/* Hard-reset timeout */
586 
587 	struct mvs_device	user[16];	/* User-specified settings */
588 	struct mvs_device	curr[16];	/* Current settings */
589 };
590 
591 /* structure describing a MVS controller */
592 struct mvs_controller {
593 	device_t		dev;
594 	int			r_rid;
595 	struct resource		*r_mem;
596 	struct rman		sc_iomem;
597 	struct mvs_controller_irq {
598 		struct resource		*r_irq;
599 		void			*handle;
600 		int			r_irq_rid;
601 	} irq;
602 	int			quirks;
603 	int			channels;
604 	int			ccc;		/* CCC timeout */
605 	int			cccc;		/* CCC commands */
606 	struct mtx		mtx;		/* MIM access lock */
607 	int			gmim;		/* Globally wanted MIM bits */
608 	int			pmim;		/* Port wanted MIM bits */
609 	int			mim;		/* Current MIM bits */
610 	int			msi;		/* MSI enabled */
611 	int			msia;		/* MSI active */
612 	struct {
613 		void			(*function)(void *);
614 		void			*argument;
615 	} interrupt[MVS_MAX_PORTS];
616 };
617 
618 enum mvs_err_type {
619 	MVS_ERR_NONE,		/* No error */
620 	MVS_ERR_INVALID,	/* Error detected by us before submitting. */
621 	MVS_ERR_INNOCENT,	/* Innocent victim. */
622 	MVS_ERR_TFE,		/* Task File Error. */
623 	MVS_ERR_SATA,		/* SATA error. */
624 	MVS_ERR_TIMEOUT,	/* Command execution timeout. */
625 	MVS_ERR_NCQ,		/* NCQ command error. CCB should be put on hold
626 				 * until READ LOG executed to reveal error. */
627 };
628 
629 struct mvs_intr_arg {
630 	void *arg;
631 	u_int cause;
632 };
633 
634 /* macros to hide busspace uglyness */
635 #define ATA_INB(res, offset) \
636 	bus_read_1((res), (offset))
637 #define ATA_INW(res, offset) \
638 	bus_read_2((res), (offset))
639 #define ATA_INL(res, offset) \
640 	bus_read_4((res), (offset))
641 #define ATA_INSW(res, offset, addr, count) \
642 	bus_read_multi_2((res), (offset), (addr), (count))
643 #define ATA_INSW_STRM(res, offset, addr, count) \
644 	bus_read_multi_stream_2((res), (offset), (addr), (count))
645 #define ATA_INSL(res, offset, addr, count) \
646 	bus_read_multi_4((res), (offset), (addr), (count))
647 #define ATA_INSL_STRM(res, offset, addr, count) \
648 	bus_read_multi_stream_4((res), (offset), (addr), (count))
649 #define ATA_OUTB(res, offset, value) \
650 	bus_write_1((res), (offset), (value))
651 #define ATA_OUTW(res, offset, value) \
652 	bus_write_2((res), (offset), (value))
653 #define ATA_OUTL(res, offset, value) \
654 	bus_write_4((res), (offset), (value));
655 #define ATA_OUTSW(res, offset, addr, count) \
656 	bus_write_multi_2((res), (offset), (addr), (count))
657 #define ATA_OUTSW_STRM(res, offset, addr, count) \
658 	bus_write_multi_stream_2((res), (offset), (addr), (count))
659 #define ATA_OUTSL(res, offset, addr, count) \
660 	bus_write_multi_4((res), (offset), (addr), (count))
661 #define ATA_OUTSL_STRM(res, offset, addr, count) \
662 	bus_write_multi_stream_4((res), (offset), (addr), (count))
663