2 * Copyright (C) 2007-2008 Freescale Semiconductor, Inc.
3 * Dave Liu <daveliu@freescale.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 #ifndef __FSL_SATA_H__
22 #define __FSL_SATA_H__
24 #define SATA_HC_MAX_NUM 4 /* Max host controller numbers */
25 #define SATA_HC_MAX_CMD 16 /* Max command queue depth per host controller */
26 #define SATA_HC_MAX_PORT 16 /* Max port number per host controller */
29 * SATA Host Controller Registers
31 typedef struct fsl_sata_reg {
32 /* SATA command registers */
33 u32 cqr; /* Command queue register */
35 u32 car; /* Command active register */
37 u32 ccr; /* Command completed register */
39 u32 cer; /* Command error register */
41 u32 der; /* Device error register */
42 u32 chba; /* Command header base address */
43 u32 hstatus; /* Host status register */
44 u32 hcontrol; /* Host control register */
45 u32 cqpmp; /* Port number queue register */
46 u32 sig; /* Signature register */
47 u32 icc; /* Interrupt coalescing control register */
50 /* SATA supperset registers */
51 u32 sstatus; /* SATA interface status register */
52 u32 serror; /* SATA interface error register */
53 u32 scontrol; /* SATA interface control register */
54 u32 snotification; /* SATA interface notification register */
57 /* SATA control status registers */
58 u32 transcfg; /* Transport layer configuration */
59 u32 transstatus; /* Transport layer status */
60 u32 linkcfg; /* Link layer configuration */
61 u32 linkcfg1; /* Link layer configuration1 */
62 u32 linkcfg2; /* Link layer configuration2 */
63 u32 linkstatus; /* Link layer status */
64 u32 linkstatus1; /* Link layer status1 */
65 u32 phyctrlcfg; /* PHY control configuration */
68 /* SATA system control registers */
69 u32 syspr; /* System priority register - big endian */
71 } __attribute__ ((packed)) fsl_sata_reg_t;
75 #define HSTATUS_ONOFF 0x80000000 /* Online/offline status */
76 #define HSTATUS_FORCE_OFFLINE 0x40000000 /* In process going offline */
77 #define HSTATUS_BIST_ERR 0x20000000
80 #define HSTATUS_MASTER_ERR 0x00004000
81 #define HSTATUS_DATA_UNDERRUN 0x00002000
82 #define HSTATUS_DATA_OVERRUN 0x00001000
83 #define HSTATUS_CRC_ERR_TX 0x00000800
84 #define HSTATUS_CRC_ERR_RX 0x00000400
85 #define HSTATUS_FIFO_OVERFLOW_TX 0x00000200
86 #define HSTATUS_FIFO_OVERFLOW_RX 0x00000100
87 #define HSTATUS_FATAL_ERR_ALL (HSTATUS_MASTER_ERR | \
88 HSTATUS_DATA_UNDERRUN | \
89 HSTATUS_DATA_OVERRUN | \
90 HSTATUS_CRC_ERR_TX | \
91 HSTATUS_CRC_ERR_RX | \
92 HSTATUS_FIFO_OVERFLOW_TX | \
93 HSTATUS_FIFO_OVERFLOW_RX)
94 /* Interrupt status */
95 #define HSTATUS_FATAL_ERR 0x00000020
96 #define HSTATUS_PHY_RDY 0x00000010
97 #define HSTATUS_SIGNATURE 0x00000008
98 #define HSTATUS_SNOTIFY 0x00000004
99 #define HSTATUS_DEVICE_ERR 0x00000002
100 #define HSTATUS_CMD_COMPLETE 0x00000001
104 #define HCONTROL_ONOFF 0x80000000 /* Online or offline request */
105 #define HCONTROL_FORCE_OFFLINE 0x40000000 /* Force offline request */
106 #define HCONTROL_ENTERPRISE_EN 0x10000000 /* Enterprise mode enabled */
107 #define HCONTROL_HDR_SNOOP 0x00000400 /* Command header snoop */
108 #define HCONTROL_PMP_ATTACHED 0x00000200 /* Port multiplier attached */
110 /* Interrupt enable */
111 #define HCONTROL_FATAL_ERR 0x00000020
112 #define HCONTROL_PHY_RDY 0x00000010
113 #define HCONTROL_SIGNATURE 0x00000008
114 #define HCONTROL_SNOTIFY 0x00000004
115 #define HCONTROL_DEVICE_ERR 0x00000002
116 #define HCONTROL_CMD_COMPLETE 0x00000001
118 #define HCONTROL_INT_EN_ALL (HCONTROL_FATAL_ERR | \
120 HCONTROL_SIGNATURE | \
122 HCONTROL_DEVICE_ERR | \
123 HCONTROL_CMD_COMPLETE)
127 #define SSTATUS_IPM_MASK 0x00000780
128 #define SSTATUS_IPM_NOPRESENT 0x00000000
129 #define SSTATUS_IPM_ACTIVE 0x00000080
130 #define SSTATUS_IPM_PATIAL 0x00000100
131 #define SSTATUS_IPM_SLUMBER 0x00000300
133 #define SSTATUS_SPD_MASK 0x000000f0
134 #define SSTATUS_SPD_GEN1 0x00000010
135 #define SSTATUS_SPD_GEN2 0x00000020
137 #define SSTATUS_DET_MASK 0x0000000f
138 #define SSTATUS_DET_NODEVICE 0x00000000
139 #define SSTATUS_DET_DISCONNECT 0x00000001
140 #define SSTATUS_DET_CONNECT 0x00000003
141 #define SSTATUS_DET_PHY_OFFLINE 0x00000004
145 #define SCONTROL_SPM_MASK 0x0000f000
146 #define SCONTROL_SPM_GO_PARTIAL 0x00001000
147 #define SCONTROL_SPM_GO_SLUMBER 0x00002000
148 #define SCONTROL_SPM_GO_ACTIVE 0x00004000
150 #define SCONTROL_IPM_MASK 0x00000f00
151 #define SCONTROL_IPM_NO_RESTRICT 0x00000000
152 #define SCONTROL_IPM_PARTIAL 0x00000100
153 #define SCONTROL_IPM_SLUMBER 0x00000200
154 #define SCONTROL_IPM_PART_SLUM 0x00000300
156 #define SCONTROL_SPD_MASK 0x000000f0
157 #define SCONTROL_SPD_NO_RESTRICT 0x00000000
158 #define SCONTROL_SPD_GEN1 0x00000010
159 #define SCONTROL_SPD_GEN2 0x00000020
161 #define SCONTROL_DET_MASK 0x0000000f
162 #define SCONTROL_DET_HRESET 0x00000001
163 #define SCONTROL_DET_DISABLE 0x00000004
167 #define TRANSCFG_DFIS_SIZE_SHIFT 16
168 #define TRANSCFG_RX_WATER_MARK_MASK 0x0000001f
170 /* PhyCtrlCfg register
172 #define PHYCTRLCFG_FPRFTI_MASK 0x00000018
173 #define PHYCTRLCFG_LOOPBACK_MASK 0x0000000e
176 * Command Header Entry
178 typedef struct cmd_hdr_entry {
179 u32 cda; /* Command Descriptor Address, 4 bytes aligned */
180 u32 prde_fis_len; /* Number of PRD entries and FIS length */
181 u32 ttl; /* Total transfer length */
182 u32 attribute; /* the attribute of command */
183 } __attribute__ ((packed)) cmd_hdr_entry_t;
185 #define SATA_HC_CMD_HDR_ENTRY_SIZE sizeof(struct cmd_hdr_entry)
189 #define CMD_HDR_CDA_ALIGN 4
193 #define CMD_HDR_PRD_ENTRY_SHIFT 16
194 #define CMD_HDR_PRD_ENTRY_MASK 0x003f0000
195 #define CMD_HDR_FIS_LEN_SHIFT 2
199 #define CMD_HDR_ATTR_RES 0x00000800 /* Reserved bit, should be 1 */
200 #define CMD_HDR_ATTR_VBIST 0x00000400 /* Vendor BIST */
201 #define CMD_HDR_ATTR_SNOOP 0x00000200 /* Snoop enable for all descriptor */
202 #define CMD_HDR_ATTR_FPDMA 0x00000100 /* FPDMA queued command */
203 #define CMD_HDR_ATTR_RESET 0x00000080 /* Reset - a SRST or device reset */
204 #define CMD_HDR_ATTR_BIST 0x00000040 /* BIST - require the host to enter BIST mode */
205 #define CMD_HDR_ATTR_ATAPI 0x00000020 /* ATAPI command */
206 #define CMD_HDR_ATTR_TAG 0x0000001f /* TAG mask */
213 CMD_RESET, /* SRST or device reset */
216 CMD_ATA, /* None of all above */
220 * Command Header Table
222 typedef struct cmd_hdr_tbl {
223 cmd_hdr_entry_t cmd_slot[SATA_HC_MAX_CMD];
224 } __attribute__ ((packed)) cmd_hdr_tbl_t;
226 #define SATA_HC_CMD_HDR_TBL_SIZE sizeof(struct cmd_hdr_tbl)
227 #define SATA_HC_CMD_HDR_TBL_ALIGN 4
230 * PRD entry - Physical Region Descriptor entry
232 typedef struct prd_entry {
233 u32 dba; /* Data base address, 4 bytes aligned */
236 u32 ext_c_ddc; /* Indirect PRD flags, snoop and data word count */
237 } __attribute__ ((packed)) prd_entry_t;
239 #define SATA_HC_CMD_DESC_PRD_SIZE sizeof(struct prd_entry)
243 #define PRD_ENTRY_DBA_ALIGN 4
247 #define PRD_ENTRY_EXT 0x80000000 /* extension flag */
248 #ifdef CONFIG_FSL_SATA_V2
249 #define PRD_ENTRY_DATA_SNOOP 0x10000000 /* Data snoop enable */
251 #define PRD_ENTRY_DATA_SNOOP 0x00400000 /* Data snoop enable */
253 #define PRD_ENTRY_LEN_MASK 0x003fffff /* Data word count */
255 #define PRD_ENTRY_MAX_XFER_SZ (PRD_ENTRY_LEN_MASK + 1)
258 * This SATA host controller supports a max of 16 direct PRD entries, but if use
259 * chained indirect PRD entries, then the contollers supports upto a max of 63
260 * entries including direct and indirect PRD entries.
261 * The PRDT is an array of 63 PRD entries contigiously, but the PRD entries#15
262 * will be setup as an indirect descriptor, pointing to it's next (contigious)
265 #define SATA_HC_MAX_PRD 63 /* Max PRD entry numbers per command */
266 #define SATA_HC_MAX_PRD_DIRECT 16 /* Direct PRDT entries */
267 #define SATA_HC_MAX_PRD_USABLE (SATA_HC_MAX_PRD - 1)
268 #define SATA_HC_MAX_XFER_LEN 0x4000000
271 * PRDT - Physical Region Descriptor Table
273 typedef struct prdt {
274 prd_entry_t prdt[SATA_HC_MAX_PRD];
275 } __attribute__ ((packed)) prdt_t;
280 #define SATA_HC_CMD_DESC_CFIS_SIZE 32 /* bytes */
281 #define SATA_HC_CMD_DESC_SFIS_SIZE 32 /* bytes */
282 #define SATA_HC_CMD_DESC_ACMD_SIZE 16 /* bytes */
283 #define SATA_HC_CMD_DESC_RES 16 /* bytes */
285 typedef struct cmd_desc {
286 u8 cfis[SATA_HC_CMD_DESC_CFIS_SIZE];
287 u8 sfis[SATA_HC_CMD_DESC_SFIS_SIZE];
288 u8 acmd[SATA_HC_CMD_DESC_ACMD_SIZE];
289 u8 res[SATA_HC_CMD_DESC_RES];
290 prd_entry_t prdt[SATA_HC_MAX_PRD];
291 } __attribute__ ((packed)) cmd_desc_t;
293 #define SATA_HC_CMD_DESC_SIZE sizeof(struct cmd_desc)
294 #define SATA_HC_CMD_DESC_ALIGN 4
297 * SATA device driver info
299 typedef struct fsl_sata_info {
304 #define FLAGS_DMA 0x00000000
305 #define FLAGS_FPDMA 0x00000001
308 * SATA device driver struct
310 typedef struct fsl_sata {
312 fsl_sata_reg_t *reg_base; /* the base address of controller register */
313 void *cmd_hdr_tbl_offset; /* alloc address of command header table */
314 cmd_hdr_tbl_t *cmd_hdr; /* aligned address of command header table */
315 void *cmd_desc_offset; /* alloc address of command descriptor */
316 cmd_desc_t *cmd_desc; /* aligned address of command descriptor */
317 int link; /* PHY link status */
318 /* device attribute */
319 int ata_device_type; /* device type */
321 int queue_depth; /* Max NCQ queue depth */
333 #endif /* __FSL_SATA_H__ */