| @@ -1,1998 +1,1998 @@ | | | @@ -1,1998 +1,1998 @@ |
1 | /* $NetBSD: wdc.c,v 1.263 2011/08/27 17:05:58 bouyer Exp $ */ | | 1 | /* $NetBSD: wdc.c,v 1.264 2011/08/28 09:32:21 christos Exp $ */ |
2 | | | 2 | |
3 | /* | | 3 | /* |
4 | * Copyright (c) 1998, 2001, 2003 Manuel Bouyer. All rights reserved. | | 4 | * Copyright (c) 1998, 2001, 2003 Manuel Bouyer. All rights reserved. |
5 | * | | 5 | * |
6 | * Redistribution and use in source and binary forms, with or without | | 6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions | | 7 | * modification, are permitted provided that the following conditions |
8 | * are met: | | 8 | * are met: |
9 | * 1. Redistributions of source code must retain the above copyright | | 9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. | | 10 | * notice, this list of conditions and the following disclaimer. |
11 | * 2. Redistributions in binary form must reproduce the above copyright | | 11 | * 2. Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the | | 12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. | | 13 | * documentation and/or other materials provided with the distribution. |
14 | * | | 14 | * |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | | 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | | 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | | 17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | | 18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | | 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | | 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | | 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | | 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | | 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | | 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 | */ | | 25 | */ |
26 | | | 26 | |
27 | /*- | | 27 | /*- |
28 | * Copyright (c) 1998, 2003, 2004 The NetBSD Foundation, Inc. | | 28 | * Copyright (c) 1998, 2003, 2004 The NetBSD Foundation, Inc. |
29 | * All rights reserved. | | 29 | * All rights reserved. |
30 | * | | 30 | * |
31 | * This code is derived from software contributed to The NetBSD Foundation | | 31 | * This code is derived from software contributed to The NetBSD Foundation |
32 | * by Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer. | | 32 | * by Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer. |
33 | * | | 33 | * |
34 | * Redistribution and use in source and binary forms, with or without | | 34 | * Redistribution and use in source and binary forms, with or without |
35 | * modification, are permitted provided that the following conditions | | 35 | * modification, are permitted provided that the following conditions |
36 | * are met: | | 36 | * are met: |
37 | * 1. Redistributions of source code must retain the above copyright | | 37 | * 1. Redistributions of source code must retain the above copyright |
38 | * notice, this list of conditions and the following disclaimer. | | 38 | * notice, this list of conditions and the following disclaimer. |
39 | * 2. Redistributions in binary form must reproduce the above copyright | | 39 | * 2. Redistributions in binary form must reproduce the above copyright |
40 | * notice, this list of conditions and the following disclaimer in the | | 40 | * notice, this list of conditions and the following disclaimer in the |
41 | * documentation and/or other materials provided with the distribution. | | 41 | * documentation and/or other materials provided with the distribution. |
42 | * | | 42 | * |
43 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | | 43 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
44 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | | 44 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
45 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | | 45 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
46 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | | 46 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
47 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | 47 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
48 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | 48 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
49 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | 49 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
50 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | 50 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
51 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | 51 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
52 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | 52 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
53 | * POSSIBILITY OF SUCH DAMAGE. | | 53 | * POSSIBILITY OF SUCH DAMAGE. |
54 | */ | | 54 | */ |
55 | | | 55 | |
56 | /* | | 56 | /* |
57 | * CODE UNTESTED IN THE CURRENT REVISION: | | 57 | * CODE UNTESTED IN THE CURRENT REVISION: |
58 | */ | | 58 | */ |
59 | | | 59 | |
60 | #include <sys/cdefs.h> | | 60 | #include <sys/cdefs.h> |
61 | __KERNEL_RCSID(0, "$NetBSD: wdc.c,v 1.263 2011/08/27 17:05:58 bouyer Exp $"); | | 61 | __KERNEL_RCSID(0, "$NetBSD: wdc.c,v 1.264 2011/08/28 09:32:21 christos Exp $"); |
62 | | | 62 | |
63 | #include "opt_ata.h" | | 63 | #include "opt_ata.h" |
64 | #include "opt_wdc.h" | | 64 | #include "opt_wdc.h" |
65 | | | 65 | |
66 | #include <sys/param.h> | | 66 | #include <sys/param.h> |
67 | #include <sys/systm.h> | | 67 | #include <sys/systm.h> |
68 | #include <sys/kernel.h> | | 68 | #include <sys/kernel.h> |
69 | #include <sys/conf.h> | | 69 | #include <sys/conf.h> |
70 | #include <sys/buf.h> | | 70 | #include <sys/buf.h> |
71 | #include <sys/device.h> | | 71 | #include <sys/device.h> |
72 | #include <sys/malloc.h> | | 72 | #include <sys/malloc.h> |
73 | #include <sys/syslog.h> | | 73 | #include <sys/syslog.h> |
74 | #include <sys/proc.h> | | 74 | #include <sys/proc.h> |
75 | | | 75 | |
76 | #include <sys/intr.h> | | 76 | #include <sys/intr.h> |
77 | #include <sys/bus.h> | | 77 | #include <sys/bus.h> |
78 | | | 78 | |
79 | #ifndef __BUS_SPACE_HAS_STREAM_METHODS | | 79 | #ifndef __BUS_SPACE_HAS_STREAM_METHODS |
80 | #define bus_space_write_multi_stream_2 bus_space_write_multi_2 | | 80 | #define bus_space_write_multi_stream_2 bus_space_write_multi_2 |
81 | #define bus_space_write_multi_stream_4 bus_space_write_multi_4 | | 81 | #define bus_space_write_multi_stream_4 bus_space_write_multi_4 |
82 | #define bus_space_read_multi_stream_2 bus_space_read_multi_2 | | 82 | #define bus_space_read_multi_stream_2 bus_space_read_multi_2 |
83 | #define bus_space_read_multi_stream_4 bus_space_read_multi_4 | | 83 | #define bus_space_read_multi_stream_4 bus_space_read_multi_4 |
84 | #define bus_space_read_stream_2 bus_space_read_2 | | 84 | #define bus_space_read_stream_2 bus_space_read_2 |
85 | #define bus_space_read_stream_4 bus_space_read_4 | | 85 | #define bus_space_read_stream_4 bus_space_read_4 |
86 | #define bus_space_write_stream_2 bus_space_write_2 | | 86 | #define bus_space_write_stream_2 bus_space_write_2 |
87 | #define bus_space_write_stream_4 bus_space_write_4 | | 87 | #define bus_space_write_stream_4 bus_space_write_4 |
88 | #endif /* __BUS_SPACE_HAS_STREAM_METHODS */ | | 88 | #endif /* __BUS_SPACE_HAS_STREAM_METHODS */ |
89 | | | 89 | |
90 | #include <dev/ata/atavar.h> | | 90 | #include <dev/ata/atavar.h> |
91 | #include <dev/ata/atareg.h> | | 91 | #include <dev/ata/atareg.h> |
92 | #include <dev/ata/satareg.h> | | 92 | #include <dev/ata/satareg.h> |
93 | #include <dev/ata/satavar.h> | | 93 | #include <dev/ata/satavar.h> |
94 | #include <dev/ic/wdcreg.h> | | 94 | #include <dev/ic/wdcreg.h> |
95 | #include <dev/ic/wdcvar.h> | | 95 | #include <dev/ic/wdcvar.h> |
96 | | | 96 | |
97 | #include "locators.h" | | 97 | #include "locators.h" |
98 | | | 98 | |
99 | #include "atapibus.h" | | 99 | #include "atapibus.h" |
100 | #include "wd.h" | | 100 | #include "wd.h" |
101 | #include "sata.h" | | 101 | #include "sata.h" |
102 | | | 102 | |
103 | #define WDCDELAY 100 /* 100 microseconds */ | | 103 | #define WDCDELAY 100 /* 100 microseconds */ |
104 | #define WDCNDELAY_RST (WDC_RESET_WAIT * 1000 / WDCDELAY) | | 104 | #define WDCNDELAY_RST (WDC_RESET_WAIT * 1000 / WDCDELAY) |
105 | #if 0 | | 105 | #if 0 |
106 | /* If you enable this, it will report any delays more than WDCDELAY * N long. */ | | 106 | /* If you enable this, it will report any delays more than WDCDELAY * N long. */ |
107 | #define WDCNDELAY_DEBUG 50 | | 107 | #define WDCNDELAY_DEBUG 50 |
108 | #endif | | 108 | #endif |
109 | | | 109 | |
110 | /* When polling wait that much and then tsleep for 1/hz seconds */ | | 110 | /* When polling wait that much and then tsleep for 1/hz seconds */ |
111 | #define WDCDELAY_POLL 1 /* ms */ | | 111 | #define WDCDELAY_POLL 1 /* ms */ |
112 | | | 112 | |
113 | /* timeout for the control commands */ | | 113 | /* timeout for the control commands */ |
114 | #define WDC_CTRL_DELAY 10000 /* 10s, for the recall command */ | | 114 | #define WDC_CTRL_DELAY 10000 /* 10s, for the recall command */ |
115 | | | 115 | |
116 | /* | | 116 | /* |
117 | * timeout when waiting for BSY to deassert when probing. | | 117 | * timeout when waiting for BSY to deassert when probing. |
118 | * set to 5s. From the standards this could be up to 31, but we can't | | 118 | * set to 5s. From the standards this could be up to 31, but we can't |
119 | * wait that much at boot time, and 5s seems to be enough. | | 119 | * wait that much at boot time, and 5s seems to be enough. |
120 | */ | | 120 | */ |
121 | #define WDC_PROBE_WAIT 5 | | 121 | #define WDC_PROBE_WAIT 5 |
122 | | | 122 | |
123 | | | 123 | |
124 | #if NWD > 0 | | 124 | #if NWD > 0 |
125 | extern const struct ata_bustype wdc_ata_bustype; /* in ata_wdc.c */ | | 125 | extern const struct ata_bustype wdc_ata_bustype; /* in ata_wdc.c */ |
126 | #else | | 126 | #else |
127 | /* A fake one, the autoconfig will print "wd at foo ... not configured */ | | 127 | /* A fake one, the autoconfig will print "wd at foo ... not configured */ |
128 | const struct ata_bustype wdc_ata_bustype = { | | 128 | const struct ata_bustype wdc_ata_bustype = { |
129 | SCSIPI_BUSTYPE_ATA, | | 129 | SCSIPI_BUSTYPE_ATA, |
130 | NULL, /* wdc_ata_bio */ | | 130 | NULL, /* wdc_ata_bio */ |
131 | NULL, /* wdc_reset_drive */ | | 131 | NULL, /* wdc_reset_drive */ |
132 | wdc_reset_channel, | | 132 | wdc_reset_channel, |
133 | wdc_exec_command, | | 133 | wdc_exec_command, |
134 | NULL, /* ata_get_params */ | | 134 | NULL, /* ata_get_params */ |
135 | NULL, /* wdc_ata_addref */ | | 135 | NULL, /* wdc_ata_addref */ |
136 | NULL, /* wdc_ata_delref */ | | 136 | NULL, /* wdc_ata_delref */ |
137 | NULL /* ata_kill_pending */ | | 137 | NULL /* ata_kill_pending */ |
138 | }; | | 138 | }; |
139 | #endif | | 139 | #endif |
140 | | | 140 | |
141 | /* Flags to wdcreset(). */ | | 141 | /* Flags to wdcreset(). */ |
142 | #define RESET_POLL 1 | | 142 | #define RESET_POLL 1 |
143 | #define RESET_SLEEP 0 /* wdcreset() will use tsleep() */ | | 143 | #define RESET_SLEEP 0 /* wdcreset() will use tsleep() */ |
144 | | | 144 | |
145 | static int wdcprobe1(struct ata_channel *, int); | | 145 | static int wdcprobe1(struct ata_channel *, int); |
146 | static int wdcreset(struct ata_channel *, int); | | 146 | static int wdcreset(struct ata_channel *, int); |
147 | static void __wdcerror(struct ata_channel *, const char *); | | 147 | static void __wdcerror(struct ata_channel *, const char *); |
148 | static int __wdcwait_reset(struct ata_channel *, int, int); | | 148 | static int __wdcwait_reset(struct ata_channel *, int, int); |
149 | static void __wdccommand_done(struct ata_channel *, struct ata_xfer *); | | 149 | static void __wdccommand_done(struct ata_channel *, struct ata_xfer *); |
150 | static void __wdccommand_done_end(struct ata_channel *, struct ata_xfer *); | | 150 | static void __wdccommand_done_end(struct ata_channel *, struct ata_xfer *); |
151 | static void __wdccommand_kill_xfer(struct ata_channel *, | | 151 | static void __wdccommand_kill_xfer(struct ata_channel *, |
152 | struct ata_xfer *, int); | | 152 | struct ata_xfer *, int); |
153 | static void __wdccommand_start(struct ata_channel *, struct ata_xfer *); | | 153 | static void __wdccommand_start(struct ata_channel *, struct ata_xfer *); |
154 | static int __wdccommand_intr(struct ata_channel *, struct ata_xfer *, int); | | 154 | static int __wdccommand_intr(struct ata_channel *, struct ata_xfer *, int); |
155 | static int __wdcwait(struct ata_channel *, int, int, int); | | 155 | static int __wdcwait(struct ata_channel *, int, int, int); |
156 | | | 156 | |
157 | static void wdc_datain_pio(struct ata_channel *, int, void *, size_t); | | 157 | static void wdc_datain_pio(struct ata_channel *, int, void *, size_t); |
158 | static void wdc_dataout_pio(struct ata_channel *, int, void *, size_t); | | 158 | static void wdc_dataout_pio(struct ata_channel *, int, void *, size_t); |
159 | | | 159 | |
160 | #define DEBUG_INTR 0x01 | | 160 | #define DEBUG_INTR 0x01 |
161 | #define DEBUG_XFERS 0x02 | | 161 | #define DEBUG_XFERS 0x02 |
162 | #define DEBUG_STATUS 0x04 | | 162 | #define DEBUG_STATUS 0x04 |
163 | #define DEBUG_FUNCS 0x08 | | 163 | #define DEBUG_FUNCS 0x08 |
164 | #define DEBUG_PROBE 0x10 | | 164 | #define DEBUG_PROBE 0x10 |
165 | #define DEBUG_DETACH 0x20 | | 165 | #define DEBUG_DETACH 0x20 |
166 | #define DEBUG_DELAY 0x40 | | 166 | #define DEBUG_DELAY 0x40 |
167 | #ifdef ATADEBUG | | 167 | #ifdef ATADEBUG |
168 | extern int atadebug_mask; /* init'ed in ata.c */ | | 168 | extern int atadebug_mask; /* init'ed in ata.c */ |
169 | int wdc_nxfer = 0; | | 169 | int wdc_nxfer = 0; |
170 | #define ATADEBUG_PRINT(args, level) if (atadebug_mask & (level)) printf args | | 170 | #define ATADEBUG_PRINT(args, level) if (atadebug_mask & (level)) printf args |
171 | #else | | 171 | #else |
172 | #define ATADEBUG_PRINT(args, level) | | 172 | #define ATADEBUG_PRINT(args, level) |
173 | #endif | | 173 | #endif |
174 | | | 174 | |
175 | /* | | 175 | /* |
176 | * Initialize the "shadow register" handles for a standard wdc controller. | | 176 | * Initialize the "shadow register" handles for a standard wdc controller. |
177 | */ | | 177 | */ |
178 | void | | 178 | void |
179 | wdc_init_shadow_regs(struct ata_channel *chp) | | 179 | wdc_init_shadow_regs(struct ata_channel *chp) |
180 | { | | 180 | { |
181 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); | | 181 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); |
182 | | | 182 | |
183 | wdr->cmd_iohs[wd_status] = wdr->cmd_iohs[wd_command]; | | 183 | wdr->cmd_iohs[wd_status] = wdr->cmd_iohs[wd_command]; |
184 | wdr->cmd_iohs[wd_features] = wdr->cmd_iohs[wd_error]; | | 184 | wdr->cmd_iohs[wd_features] = wdr->cmd_iohs[wd_error]; |
185 | } | | 185 | } |
186 | | | 186 | |
187 | /* | | 187 | /* |
188 | * Allocate a wdc_regs array, based on the number of channels. | | 188 | * Allocate a wdc_regs array, based on the number of channels. |
189 | */ | | 189 | */ |
190 | void | | 190 | void |
191 | wdc_allocate_regs(struct wdc_softc *wdc) | | 191 | wdc_allocate_regs(struct wdc_softc *wdc) |
192 | { | | 192 | { |
193 | | | 193 | |
194 | wdc->regs = malloc(wdc->sc_atac.atac_nchannels * | | 194 | wdc->regs = malloc(wdc->sc_atac.atac_nchannels * |
195 | sizeof(struct wdc_regs), M_DEVBUF, M_WAITOK); | | 195 | sizeof(struct wdc_regs), M_DEVBUF, M_WAITOK); |
196 | } | | 196 | } |
197 | | | 197 | |
198 | #if NSATA > 0 | | 198 | #if NSATA > 0 |
199 | /* | | 199 | /* |
200 | * probe drives on SATA controllers with standard SATA registers: | | 200 | * probe drives on SATA controllers with standard SATA registers: |
201 | * bring the PHYs online, read the drive signature and set drive flags | | 201 | * bring the PHYs online, read the drive signature and set drive flags |
202 | * appropriately. | | 202 | * appropriately. |
203 | */ | | 203 | */ |
204 | void | | 204 | void |
205 | wdc_sataprobe(struct ata_channel *chp) | | 205 | wdc_sataprobe(struct ata_channel *chp) |
206 | { | | 206 | { |
207 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); | | 207 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); |
208 | uint8_t st = 0, sc, sn, cl, ch; | | 208 | uint8_t st = 0, sc, sn, cl, ch; |
209 | int i, s; | | 209 | int i, s; |
210 | | | 210 | |
211 | /* XXX This should be done by other code. */ | | 211 | /* XXX This should be done by other code. */ |
212 | for (i = 0; i < chp->ch_ndrive; i++) { | | 212 | for (i = 0; i < chp->ch_ndrive; i++) { |
213 | chp->ch_drive[i].chnl_softc = chp; | | 213 | chp->ch_drive[i].chnl_softc = chp; |
214 | chp->ch_drive[i].drive = i; | | 214 | chp->ch_drive[i].drive = i; |
215 | } | | 215 | } |
216 | | | 216 | |
217 | /* reset the PHY and bring online */ | | 217 | /* reset the PHY and bring online */ |
218 | switch (sata_reset_interface(chp, wdr->sata_iot, wdr->sata_control, | | 218 | switch (sata_reset_interface(chp, wdr->sata_iot, wdr->sata_control, |
219 | wdr->sata_status)) { | | 219 | wdr->sata_status)) { |
220 | case SStatus_DET_DEV: | | 220 | case SStatus_DET_DEV: |
221 | /* wait 5s for BSY to clear */ | | 221 | /* wait 5s for BSY to clear */ |
222 | for (i = 0; i < WDC_PROBE_WAIT * hz; i++) { | | 222 | for (i = 0; i < WDC_PROBE_WAIT * hz; i++) { |
223 | bus_space_write_1(wdr->cmd_iot, | | 223 | bus_space_write_1(wdr->cmd_iot, |
224 | wdr->cmd_iohs[wd_sdh], 0, WDSD_IBM); | | 224 | wdr->cmd_iohs[wd_sdh], 0, WDSD_IBM); |
225 | delay(10); /* 400ns delay */ | | 225 | delay(10); /* 400ns delay */ |
226 | st = bus_space_read_1(wdr->cmd_iot, | | 226 | st = bus_space_read_1(wdr->cmd_iot, |
227 | wdr->cmd_iohs[wd_status], 0); | | 227 | wdr->cmd_iohs[wd_status], 0); |
228 | if ((st & WDCS_BSY) == 0) | | 228 | if ((st & WDCS_BSY) == 0) |
229 | break; | | 229 | break; |
230 | tsleep(&chp, PRIBIO, "sataprb", 1); | | 230 | tsleep(&chp, PRIBIO, "sataprb", 1); |
231 | } | | 231 | } |
232 | if (i == WDC_PROBE_WAIT * hz) | | 232 | if (i == WDC_PROBE_WAIT * hz) |
233 | aprint_error_dev(chp->ch_atac->atac_dev, | | 233 | aprint_error_dev(chp->ch_atac->atac_dev, |
234 | "BSY never cleared, status 0x%02x\n", st); | | 234 | "BSY never cleared, status 0x%02x\n", st); |
235 | sc = bus_space_read_1(wdr->cmd_iot, | | 235 | sc = bus_space_read_1(wdr->cmd_iot, |
236 | wdr->cmd_iohs[wd_seccnt], 0); | | 236 | wdr->cmd_iohs[wd_seccnt], 0); |
237 | sn = bus_space_read_1(wdr->cmd_iot, | | 237 | sn = bus_space_read_1(wdr->cmd_iot, |
238 | wdr->cmd_iohs[wd_sector], 0); | | 238 | wdr->cmd_iohs[wd_sector], 0); |
239 | cl = bus_space_read_1(wdr->cmd_iot, | | 239 | cl = bus_space_read_1(wdr->cmd_iot, |
240 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 240 | wdr->cmd_iohs[wd_cyl_lo], 0); |
241 | ch = bus_space_read_1(wdr->cmd_iot, | | 241 | ch = bus_space_read_1(wdr->cmd_iot, |
242 | wdr->cmd_iohs[wd_cyl_hi], 0); | | 242 | wdr->cmd_iohs[wd_cyl_hi], 0); |
243 | ATADEBUG_PRINT(("%s: port %d: sc=0x%x sn=0x%x " | | 243 | ATADEBUG_PRINT(("%s: port %d: sc=0x%x sn=0x%x " |
244 | "cl=0x%x ch=0x%x\n", | | 244 | "cl=0x%x ch=0x%x\n", |
245 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, | | 245 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, |
246 | sc, sn, cl, ch), DEBUG_PROBE); | | 246 | sc, sn, cl, ch), DEBUG_PROBE); |
247 | /* | | 247 | /* |
248 | * sc and sn are supposed to be 0x1 for ATAPI, but in some | | 248 | * sc and sn are supposed to be 0x1 for ATAPI, but in some |
249 | * cases we get wrong values here, so ignore it. | | 249 | * cases we get wrong values here, so ignore it. |
250 | */ | | 250 | */ |
251 | s = splbio(); | | 251 | s = splbio(); |
252 | if (cl == 0x14 && ch == 0xeb) | | 252 | if (cl == 0x14 && ch == 0xeb) |
253 | chp->ch_drive[0].drive_flags |= DRIVE_ATAPI; | | 253 | chp->ch_drive[0].drive_flags |= DRIVE_ATAPI; |
254 | else | | 254 | else |
255 | chp->ch_drive[0].drive_flags |= DRIVE_ATA; | | 255 | chp->ch_drive[0].drive_flags |= DRIVE_ATA; |
256 | splx(s); | | 256 | splx(s); |
257 | | | 257 | |
258 | /* | | 258 | /* |
259 | * issue a reset in case only the interface part of the drive | | 259 | * issue a reset in case only the interface part of the drive |
260 | * is up | | 260 | * is up |
261 | */ | | 261 | */ |
262 | if (wdcreset(chp, RESET_SLEEP) != 0) | | 262 | if (wdcreset(chp, RESET_SLEEP) != 0) |
263 | chp->ch_drive[0].drive_flags = 0; | | 263 | chp->ch_drive[0].drive_flags = 0; |
264 | break; | | 264 | break; |
265 | | | 265 | |
266 | default: | | 266 | default: |
267 | break; | | 267 | break; |
268 | } | | 268 | } |
269 | } | | 269 | } |
270 | #endif /* NSATA > 0 */ | | 270 | #endif /* NSATA > 0 */ |
271 | | | 271 | |
272 | | | 272 | |
273 | /* Test to see controller with at last one attached drive is there. | | 273 | /* Test to see controller with at last one attached drive is there. |
274 | * Returns a bit for each possible drive found (0x01 for drive 0, | | 274 | * Returns a bit for each possible drive found (0x01 for drive 0, |
275 | * 0x02 for drive 1). | | 275 | * 0x02 for drive 1). |
276 | * Logic: | | 276 | * Logic: |
277 | * - If a status register is at 0xff, assume there is no drive here | | 277 | * - If a status register is at 0xff, assume there is no drive here |
278 | * (ISA has pull-up resistors). Similarly if the status register has | | 278 | * (ISA has pull-up resistors). Similarly if the status register has |
279 | * the value we last wrote to the bus (for IDE interfaces without pullups). | | 279 | * the value we last wrote to the bus (for IDE interfaces without pullups). |
280 | * If no drive at all -> return. | | 280 | * If no drive at all -> return. |
281 | * - reset the controller, wait for it to complete (may take up to 31s !). | | 281 | * - reset the controller, wait for it to complete (may take up to 31s !). |
282 | * If timeout -> return. | | 282 | * If timeout -> return. |
283 | * - test ATA/ATAPI signatures. If at last one drive found -> return. | | 283 | * - test ATA/ATAPI signatures. If at last one drive found -> return. |
284 | * - try an ATA command on the master. | | 284 | * - try an ATA command on the master. |
285 | */ | | 285 | */ |
286 | | | 286 | |
287 | void | | 287 | void |
288 | wdc_drvprobe(struct ata_channel *chp) | | 288 | wdc_drvprobe(struct ata_channel *chp) |
289 | { | | 289 | { |
290 | struct ataparams params; /* XXX: large struct */ | | 290 | struct ataparams params; /* XXX: large struct */ |
291 | struct atac_softc *atac = chp->ch_atac; | | 291 | struct atac_softc *atac = chp->ch_atac; |
292 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 292 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
293 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 293 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
294 | u_int8_t st0 = 0, st1 = 0; | | 294 | u_int8_t st0 = 0, st1 = 0; |
295 | int i, j, error, s; | | 295 | int i, j, error, s; |
296 | | | 296 | |
297 | if (wdcprobe1(chp, 0) == 0) { | | 297 | if (wdcprobe1(chp, 0) == 0) { |
298 | /* No drives, abort the attach here. */ | | 298 | /* No drives, abort the attach here. */ |
299 | return; | | 299 | return; |
300 | } | | 300 | } |
301 | | | 301 | |
| | | 302 | #ifndef WDC_NO_IDS |
302 | s = splbio(); | | 303 | s = splbio(); |
| | | 304 | #endif |
303 | /* for ATA/OLD drives, wait for DRDY, 3s timeout */ | | 305 | /* for ATA/OLD drives, wait for DRDY, 3s timeout */ |
304 | for (i = 0; i < mstohz(3000); i++) { | | 306 | for (i = 0; i < mstohz(3000); i++) { |
305 | /* | | 307 | /* |
306 | * select drive 1 first, so that master is selected on | | 308 | * select drive 1 first, so that master is selected on |
307 | * exit from the loop | | 309 | * exit from the loop |
308 | */ | | 310 | */ |
309 | if (chp->ch_drive[1].drive_flags & (DRIVE_ATA|DRIVE_OLD)) { | | 311 | if (chp->ch_drive[1].drive_flags & (DRIVE_ATA|DRIVE_OLD)) { |
310 | if (wdc->select) | | 312 | if (wdc->select) |
311 | wdc->select(chp,1); | | 313 | wdc->select(chp,1); |
312 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 314 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
313 | 0, WDSD_IBM | 0x10); | | 315 | 0, WDSD_IBM | 0x10); |
314 | delay(10); /* 400ns delay */ | | 316 | delay(10); /* 400ns delay */ |
315 | st1 = bus_space_read_1(wdr->cmd_iot, | | 317 | st1 = bus_space_read_1(wdr->cmd_iot, |
316 | wdr->cmd_iohs[wd_status], 0); | | 318 | wdr->cmd_iohs[wd_status], 0); |
317 | } | | 319 | } |
318 | if (chp->ch_drive[0].drive_flags & (DRIVE_ATA|DRIVE_OLD)) { | | 320 | if (chp->ch_drive[0].drive_flags & (DRIVE_ATA|DRIVE_OLD)) { |
319 | if (wdc->select) | | 321 | if (wdc->select) |
320 | wdc->select(chp,0); | | 322 | wdc->select(chp,0); |
321 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 323 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
322 | 0, WDSD_IBM); | | 324 | 0, WDSD_IBM); |
323 | delay(10); /* 400ns delay */ | | 325 | delay(10); /* 400ns delay */ |
324 | st0 = bus_space_read_1(wdr->cmd_iot, | | 326 | st0 = bus_space_read_1(wdr->cmd_iot, |
325 | wdr->cmd_iohs[wd_status], 0); | | 327 | wdr->cmd_iohs[wd_status], 0); |
326 | } | | 328 | } |
327 | | | 329 | |
328 | | | 330 | |
329 | if (((chp->ch_drive[0].drive_flags & (DRIVE_ATA|DRIVE_OLD)) | | 331 | if (((chp->ch_drive[0].drive_flags & (DRIVE_ATA|DRIVE_OLD)) |
330 | == 0 || | | 332 | == 0 || |
331 | (st0 & WDCS_DRDY)) && | | 333 | (st0 & WDCS_DRDY)) && |
332 | ((chp->ch_drive[1].drive_flags & (DRIVE_ATA|DRIVE_OLD)) | | 334 | ((chp->ch_drive[1].drive_flags & (DRIVE_ATA|DRIVE_OLD)) |
333 | == 0 || | | 335 | == 0 || |
334 | (st1 & WDCS_DRDY))) | | 336 | (st1 & WDCS_DRDY))) |
335 | break; | | 337 | break; |
336 | #ifdef WDC_NO_IDS | | 338 | #ifdef WDC_NO_IDS |
337 | /* cannot tsleep here (can't enable IPL_BIO interrups), | | 339 | /* cannot tsleep here (can't enable IPL_BIO interrups), |
338 | * delay instead | | 340 | * delay instead |
339 | */ | | 341 | */ |
340 | delay(1000000 / hz); | | 342 | delay(1000000 / hz); |
| | | 343 | } |
341 | #else | | 344 | #else |
342 | #error "NEED WDC_NO_IDS" | | | |
343 | tsleep(¶ms, PRIBIO, "atadrdy", 1); | | 345 | tsleep(¶ms, PRIBIO, "atadrdy", 1); |
344 | #endif | | | |
345 | } | | 346 | } |
| | | 347 | s = splbio(); |
| | | 348 | #endif |
346 | if ((st0 & WDCS_DRDY) == 0) | | 349 | if ((st0 & WDCS_DRDY) == 0) |
347 | chp->ch_drive[0].drive_flags &= ~(DRIVE_ATA|DRIVE_OLD); | | 350 | chp->ch_drive[0].drive_flags &= ~(DRIVE_ATA|DRIVE_OLD); |
348 | if ((st1 & WDCS_DRDY) == 0) | | 351 | if ((st1 & WDCS_DRDY) == 0) |
349 | chp->ch_drive[1].drive_flags &= ~(DRIVE_ATA|DRIVE_OLD); | | 352 | chp->ch_drive[1].drive_flags &= ~(DRIVE_ATA|DRIVE_OLD); |
350 | splx(s); | | 353 | splx(s); |
351 | | | 354 | |
352 | ATADEBUG_PRINT(("%s:%d: wait DRDY st0 0x%x st1 0x%x\n", | | 355 | ATADEBUG_PRINT(("%s:%d: wait DRDY st0 0x%x st1 0x%x\n", |
353 | device_xname(atac->atac_dev), | | 356 | device_xname(atac->atac_dev), |
354 | chp->ch_channel, st0, st1), DEBUG_PROBE); | | 357 | chp->ch_channel, st0, st1), DEBUG_PROBE); |
355 | | | 358 | |
356 | /* Wait a bit, some devices are weird just after a reset. */ | | 359 | /* Wait a bit, some devices are weird just after a reset. */ |
357 | delay(5000); | | 360 | delay(5000); |
358 | | | 361 | |
359 | for (i = 0; i < chp->ch_ndrive; i++) { | | 362 | for (i = 0; i < chp->ch_ndrive; i++) { |
360 | /* XXX This should be done by other code. */ | | 363 | /* XXX This should be done by other code. */ |
361 | chp->ch_drive[i].chnl_softc = chp; | | 364 | chp->ch_drive[i].chnl_softc = chp; |
362 | chp->ch_drive[i].drive = i; | | 365 | chp->ch_drive[i].drive = i; |
363 | | | 366 | |
364 | #if NATA_DMA | | 367 | #if NATA_DMA |
365 | /* | | 368 | /* |
366 | * Init error counter so that an error withing the first xfers | | 369 | * Init error counter so that an error withing the first xfers |
367 | * will trigger a downgrade | | 370 | * will trigger a downgrade |
368 | */ | | 371 | */ |
369 | chp->ch_drive[i].n_dmaerrs = NERRS_MAX-1; | | 372 | chp->ch_drive[i].n_dmaerrs = NERRS_MAX-1; |
370 | #endif | | 373 | #endif |
371 | | | 374 | |
372 | /* If controller can't do 16bit flag the drives as 32bit */ | | 375 | /* If controller can't do 16bit flag the drives as 32bit */ |
373 | if ((atac->atac_cap & | | 376 | if ((atac->atac_cap & |
374 | (ATAC_CAP_DATA16 | ATAC_CAP_DATA32)) == ATAC_CAP_DATA32) { | | 377 | (ATAC_CAP_DATA16 | ATAC_CAP_DATA32)) == ATAC_CAP_DATA32) { |
375 | s = splbio(); | | 378 | s = splbio(); |
376 | chp->ch_drive[i].drive_flags |= DRIVE_CAP32; | | 379 | chp->ch_drive[i].drive_flags |= DRIVE_CAP32; |
377 | splx(s); | | 380 | splx(s); |
378 | } | | 381 | } |
379 | if ((chp->ch_drive[i].drive_flags & DRIVE) == 0) | | 382 | if ((chp->ch_drive[i].drive_flags & DRIVE) == 0) |
380 | continue; | | 383 | continue; |
381 | | | 384 | |
382 | /* Shortcut in case we've been shutdown */ | | 385 | /* Shortcut in case we've been shutdown */ |
383 | if (chp->ch_flags & ATACH_SHUTDOWN) | | 386 | if (chp->ch_flags & ATACH_SHUTDOWN) |
384 | return; | | 387 | return; |
385 | | | 388 | |
386 | /* | | 389 | /* |
387 | * Issue an identify, to try to detect ghosts. | | 390 | * Issue an identify, to try to detect ghosts. |
388 | * Note that we can't use interrupts here, because if there | | 391 | * Note that we can't use interrupts here, because if there |
389 | * is no devices, we will get a command aborted without | | 392 | * is no devices, we will get a command aborted without |
390 | * interrupts. | | 393 | * interrupts. |
391 | */ | | 394 | */ |
392 | error = ata_get_params(&chp->ch_drive[i], | | 395 | error = ata_get_params(&chp->ch_drive[i], |
393 | AT_WAIT | AT_POLL, ¶ms); | | 396 | AT_WAIT | AT_POLL, ¶ms); |
394 | if (error != CMD_OK) { | | 397 | if (error != CMD_OK) { |
395 | tsleep(¶ms, PRIBIO, "atacnf", mstohz(1000)); | | 398 | tsleep(¶ms, PRIBIO, "atacnf", mstohz(1000)); |
396 | | | 399 | |
397 | /* Shortcut in case we've been shutdown */ | | 400 | /* Shortcut in case we've been shutdown */ |
398 | if (chp->ch_flags & ATACH_SHUTDOWN) | | 401 | if (chp->ch_flags & ATACH_SHUTDOWN) |
399 | return; | | 402 | return; |
400 | | | 403 | |
401 | error = ata_get_params(&chp->ch_drive[i], | | 404 | error = ata_get_params(&chp->ch_drive[i], |
402 | AT_WAIT | AT_POLL, ¶ms); | | 405 | AT_WAIT | AT_POLL, ¶ms); |
403 | } | | 406 | } |
404 | if (error == CMD_OK) { | | 407 | if (error == CMD_OK) { |
405 | /* If IDENTIFY succeeded, this is not an OLD ctrl */ | | 408 | /* If IDENTIFY succeeded, this is not an OLD ctrl */ |
406 | s = splbio(); | | 409 | s = splbio(); |
407 | for (j = 0; j < chp->ch_ndrive; j++) | | 410 | for (j = 0; j < chp->ch_ndrive; j++) |
408 | chp->ch_drive[j].drive_flags &= ~DRIVE_OLD; | | 411 | chp->ch_drive[j].drive_flags &= ~DRIVE_OLD; |
409 | splx(s); | | 412 | splx(s); |
410 | } else { | | 413 | } else { |
411 | s = splbio(); | | 414 | s = splbio(); |
412 | chp->ch_drive[i].drive_flags &= | | 415 | chp->ch_drive[i].drive_flags &= |
413 | ~(DRIVE_ATA | DRIVE_ATAPI); | | 416 | ~(DRIVE_ATA | DRIVE_ATAPI); |
414 | splx(s); | | 417 | splx(s); |
415 | ATADEBUG_PRINT(("%s:%d:%d: IDENTIFY failed (%d)\n", | | 418 | ATADEBUG_PRINT(("%s:%d:%d: IDENTIFY failed (%d)\n", |
416 | device_xname(atac->atac_dev), | | 419 | device_xname(atac->atac_dev), |
417 | chp->ch_channel, i, error), DEBUG_PROBE); | | 420 | chp->ch_channel, i, error), DEBUG_PROBE); |
418 | if ((chp->ch_drive[i].drive_flags & DRIVE_OLD) == 0) | | 421 | if ((chp->ch_drive[i].drive_flags & DRIVE_OLD) == 0) |
419 | continue; | | 422 | continue; |
420 | /* | | 423 | /* |
421 | * Pre-ATA drive ? | | 424 | * Pre-ATA drive ? |
422 | * Test registers writability (Error register not | | 425 | * Test registers writability (Error register not |
423 | * writable, but cyllo is), then try an ATA command. | | 426 | * writable, but cyllo is), then try an ATA command. |
424 | */ | | 427 | */ |
425 | if (wdc->select) | | 428 | if (wdc->select) |
426 | wdc->select(chp,i); | | 429 | wdc->select(chp,i); |
427 | bus_space_write_1(wdr->cmd_iot, | | 430 | bus_space_write_1(wdr->cmd_iot, |
428 | wdr->cmd_iohs[wd_sdh], 0, WDSD_IBM | (i << 4)); | | 431 | wdr->cmd_iohs[wd_sdh], 0, WDSD_IBM | (i << 4)); |
429 | delay(10); /* 400ns delay */ | | 432 | delay(10); /* 400ns delay */ |
430 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_error], | | 433 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_error], |
431 | 0, 0x58); | | 434 | 0, 0x58); |
432 | bus_space_write_1(wdr->cmd_iot, | | 435 | bus_space_write_1(wdr->cmd_iot, |
433 | wdr->cmd_iohs[wd_cyl_lo], 0, 0xa5); | | 436 | wdr->cmd_iohs[wd_cyl_lo], 0, 0xa5); |
434 | if (bus_space_read_1(wdr->cmd_iot, | | 437 | if (bus_space_read_1(wdr->cmd_iot, |
435 | wdr->cmd_iohs[wd_error], 0) == 0x58 || | | 438 | wdr->cmd_iohs[wd_error], 0) == 0x58 || |
436 | bus_space_read_1(wdr->cmd_iot, | | 439 | bus_space_read_1(wdr->cmd_iot, |
437 | wdr->cmd_iohs[wd_cyl_lo], 0) != 0xa5) { | | 440 | wdr->cmd_iohs[wd_cyl_lo], 0) != 0xa5) { |
438 | ATADEBUG_PRINT(("%s:%d:%d: register " | | 441 | ATADEBUG_PRINT(("%s:%d:%d: register " |
439 | "writability failed\n", | | 442 | "writability failed\n", |
440 | device_xname(atac->atac_dev), | | 443 | device_xname(atac->atac_dev), |
441 | chp->ch_channel, i), DEBUG_PROBE); | | 444 | chp->ch_channel, i), DEBUG_PROBE); |
442 | s = splbio(); | | 445 | s = splbio(); |
443 | chp->ch_drive[i].drive_flags &= ~DRIVE_OLD; | | 446 | chp->ch_drive[i].drive_flags &= ~DRIVE_OLD; |
444 | splx(s); | | 447 | splx(s); |
445 | continue; | | 448 | continue; |
446 | } | | 449 | } |
447 | if (wdc_wait_for_ready(chp, 10000, 0) == WDCWAIT_TOUT) { | | 450 | if (wdc_wait_for_ready(chp, 10000, 0) == WDCWAIT_TOUT) { |
448 | ATADEBUG_PRINT(("%s:%d:%d: not ready\n", | | 451 | ATADEBUG_PRINT(("%s:%d:%d: not ready\n", |
449 | device_xname(atac->atac_dev), | | 452 | device_xname(atac->atac_dev), |
450 | chp->ch_channel, i), DEBUG_PROBE); | | 453 | chp->ch_channel, i), DEBUG_PROBE); |
451 | s = splbio(); | | 454 | s = splbio(); |
452 | chp->ch_drive[i].drive_flags &= ~DRIVE_OLD; | | 455 | chp->ch_drive[i].drive_flags &= ~DRIVE_OLD; |
453 | splx(s); | | 456 | splx(s); |
454 | continue; | | 457 | continue; |
455 | } | | 458 | } |
456 | bus_space_write_1(wdr->cmd_iot, | | 459 | bus_space_write_1(wdr->cmd_iot, |
457 | wdr->cmd_iohs[wd_command], 0, WDCC_RECAL); | | 460 | wdr->cmd_iohs[wd_command], 0, WDCC_RECAL); |
458 | delay(10); /* 400ns delay */ | | 461 | delay(10); /* 400ns delay */ |
459 | if (wdc_wait_for_ready(chp, 10000, 0) == WDCWAIT_TOUT) { | | 462 | if (wdc_wait_for_ready(chp, 10000, 0) == WDCWAIT_TOUT) { |
460 | ATADEBUG_PRINT(("%s:%d:%d: WDCC_RECAL failed\n", | | 463 | ATADEBUG_PRINT(("%s:%d:%d: WDCC_RECAL failed\n", |
461 | device_xname(atac->atac_dev), | | 464 | device_xname(atac->atac_dev), |
462 | chp->ch_channel, i), DEBUG_PROBE); | | 465 | chp->ch_channel, i), DEBUG_PROBE); |
463 | s = splbio(); | | 466 | s = splbio(); |
464 | chp->ch_drive[i].drive_flags &= ~DRIVE_OLD; | | 467 | chp->ch_drive[i].drive_flags &= ~DRIVE_OLD; |
465 | splx(s); | | 468 | splx(s); |
466 | } else { | | 469 | } else { |
467 | s = splbio(); | | 470 | s = splbio(); |
468 | for (j = 0; j < chp->ch_ndrive; j++) | | 471 | for (j = 0; j < chp->ch_ndrive; j++) |
469 | chp->ch_drive[j].drive_flags &= | | 472 | chp->ch_drive[j].drive_flags &= |
470 | ~(DRIVE_ATA | DRIVE_ATAPI); | | 473 | ~(DRIVE_ATA | DRIVE_ATAPI); |
471 | splx(s); | | 474 | splx(s); |
472 | } | | 475 | } |
473 | } | | 476 | } |
474 | } | | 477 | } |
475 | } | | 478 | } |
476 | | | 479 | |
477 | int | | 480 | int |
478 | wdcprobe(struct ata_channel *chp) | | 481 | wdcprobe(struct ata_channel *chp) |
479 | { | | 482 | { |
480 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 483 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
481 | /* default reset method */ | | 484 | /* default reset method */ |
482 | if (wdc->reset == NULL) | | 485 | if (wdc->reset == NULL) |
483 | wdc->reset = wdc_do_reset; | | 486 | wdc->reset = wdc_do_reset; |
484 | | | 487 | |
485 | return (wdcprobe1(chp, 1)); | | 488 | return (wdcprobe1(chp, 1)); |
486 | } | | 489 | } |
487 | | | 490 | |
488 | static int | | 491 | static int |
489 | wdcprobe1(struct ata_channel *chp, int poll) | | 492 | wdcprobe1(struct ata_channel *chp, int poll) |
490 | { | | 493 | { |
491 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 494 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
492 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 495 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
493 | u_int8_t st0 = 0, st1 = 0, sc, sn, cl, ch; | | 496 | u_int8_t st0 = 0, st1 = 0, sc, sn, cl, ch; |
494 | u_int8_t ret_value = 0x03; | | 497 | u_int8_t ret_value = 0x03; |
495 | u_int8_t drive; | | 498 | u_int8_t drive; |
496 | int s; | | 499 | int s; |
497 | /* XXX if poll, wdc_probe_count is 0. */ | | 500 | /* XXX if poll, wdc_probe_count is 0. */ |
498 | int wdc_probe_count = | | 501 | int wdc_probe_count = |
499 | poll ? (WDC_PROBE_WAIT / WDCDELAY) | | 502 | poll ? (WDC_PROBE_WAIT / WDCDELAY) |
500 | : (WDC_PROBE_WAIT * hz); | | 503 | : (WDC_PROBE_WAIT * hz); |
501 | | | 504 | |
502 | /* | | 505 | /* |
503 | * Sanity check to see if the wdc channel responds at all. | | 506 | * Sanity check to see if the wdc channel responds at all. |
504 | */ | | 507 | */ |
505 | | | 508 | |
506 | s = splbio(); | | 509 | s = splbio(); |
507 | if ((wdc->cap & WDC_CAPABILITY_NO_EXTRA_RESETS) == 0) { | | 510 | if ((wdc->cap & WDC_CAPABILITY_NO_EXTRA_RESETS) == 0) { |
508 | while (wdc_probe_count-- > 0) { | | 511 | while (wdc_probe_count-- > 0) { |
509 | if (wdc->select) | | 512 | if (wdc->select) |
510 | wdc->select(chp,0); | | 513 | wdc->select(chp,0); |
511 | | | 514 | |
512 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 515 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
513 | 0, WDSD_IBM); | | 516 | 0, WDSD_IBM); |
514 | delay(10); /* 400ns delay */ | | 517 | delay(10); /* 400ns delay */ |
515 | st0 = bus_space_read_1(wdr->cmd_iot, | | 518 | st0 = bus_space_read_1(wdr->cmd_iot, |
516 | wdr->cmd_iohs[wd_status], 0); | | 519 | wdr->cmd_iohs[wd_status], 0); |
517 | | | 520 | |
518 | if (wdc->select) | | 521 | if (wdc->select) |
519 | wdc->select(chp,1); | | 522 | wdc->select(chp,1); |
520 | | | 523 | |
521 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 524 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
522 | 0, WDSD_IBM | 0x10); | | 525 | 0, WDSD_IBM | 0x10); |
523 | delay(10); /* 400ns delay */ | | 526 | delay(10); /* 400ns delay */ |
524 | st1 = bus_space_read_1(wdr->cmd_iot, | | 527 | st1 = bus_space_read_1(wdr->cmd_iot, |
525 | wdr->cmd_iohs[wd_status], 0); | | 528 | wdr->cmd_iohs[wd_status], 0); |
526 | if ((st0 & WDCS_BSY) == 0) | | 529 | if ((st0 & WDCS_BSY) == 0) |
527 | break; | | 530 | break; |
528 | } | | 531 | } |
529 | | | 532 | |
530 | ATADEBUG_PRINT(("%s:%d: before reset, st0=0x%x, st1=0x%x\n", | | 533 | ATADEBUG_PRINT(("%s:%d: before reset, st0=0x%x, st1=0x%x\n", |
531 | device_xname(chp->ch_atac->atac_dev), | | 534 | device_xname(chp->ch_atac->atac_dev), |
532 | chp->ch_channel, st0, st1), DEBUG_PROBE); | | 535 | chp->ch_channel, st0, st1), DEBUG_PROBE); |
533 | | | 536 | |
534 | if (st0 == 0xff || st0 == WDSD_IBM) | | 537 | if (st0 == 0xff || st0 == WDSD_IBM) |
535 | ret_value &= ~0x01; | | 538 | ret_value &= ~0x01; |
536 | if (st1 == 0xff || st1 == (WDSD_IBM | 0x10)) | | 539 | if (st1 == 0xff || st1 == (WDSD_IBM | 0x10)) |
537 | ret_value &= ~0x02; | | 540 | ret_value &= ~0x02; |
538 | /* Register writability test, drive 0. */ | | 541 | /* Register writability test, drive 0. */ |
539 | if (ret_value & 0x01) { | | 542 | if (ret_value & 0x01) { |
540 | if (wdc->select) | | 543 | if (wdc->select) |
541 | wdc->select(chp,0); | | 544 | wdc->select(chp,0); |
542 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 545 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
543 | 0, WDSD_IBM); | | 546 | 0, WDSD_IBM); |
544 | bus_space_write_1(wdr->cmd_iot, | | 547 | bus_space_write_1(wdr->cmd_iot, |
545 | wdr->cmd_iohs[wd_cyl_lo], 0, 0x02); | | 548 | wdr->cmd_iohs[wd_cyl_lo], 0, 0x02); |
546 | cl = bus_space_read_1(wdr->cmd_iot, | | 549 | cl = bus_space_read_1(wdr->cmd_iot, |
547 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 550 | wdr->cmd_iohs[wd_cyl_lo], 0); |
548 | if (cl != 0x02) { | | 551 | if (cl != 0x02) { |
549 | ATADEBUG_PRINT(("%s:%d drive 0 wd_cyl_lo: " | | 552 | ATADEBUG_PRINT(("%s:%d drive 0 wd_cyl_lo: " |
550 | "got 0x%x != 0x02\n", | | 553 | "got 0x%x != 0x02\n", |
551 | device_xname(chp->ch_atac->atac_dev), | | 554 | device_xname(chp->ch_atac->atac_dev), |
552 | chp->ch_channel, cl), | | 555 | chp->ch_channel, cl), |
553 | DEBUG_PROBE); | | 556 | DEBUG_PROBE); |
554 | ret_value &= ~0x01; | | 557 | ret_value &= ~0x01; |
555 | } | | 558 | } |
556 | bus_space_write_1(wdr->cmd_iot, | | 559 | bus_space_write_1(wdr->cmd_iot, |
557 | wdr->cmd_iohs[wd_cyl_lo], 0, 0x01); | | 560 | wdr->cmd_iohs[wd_cyl_lo], 0, 0x01); |
558 | cl = bus_space_read_1(wdr->cmd_iot, | | 561 | cl = bus_space_read_1(wdr->cmd_iot, |
559 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 562 | wdr->cmd_iohs[wd_cyl_lo], 0); |
560 | if (cl != 0x01) { | | 563 | if (cl != 0x01) { |
561 | ATADEBUG_PRINT(("%s:%d drive 0 wd_cyl_lo: " | | 564 | ATADEBUG_PRINT(("%s:%d drive 0 wd_cyl_lo: " |
562 | "got 0x%x != 0x01\n", | | 565 | "got 0x%x != 0x01\n", |
563 | device_xname(chp->ch_atac->atac_dev), | | 566 | device_xname(chp->ch_atac->atac_dev), |
564 | chp->ch_channel, cl), | | 567 | chp->ch_channel, cl), |
565 | DEBUG_PROBE); | | 568 | DEBUG_PROBE); |
566 | ret_value &= ~0x01; | | 569 | ret_value &= ~0x01; |
567 | } | | 570 | } |
568 | bus_space_write_1(wdr->cmd_iot, | | 571 | bus_space_write_1(wdr->cmd_iot, |
569 | wdr->cmd_iohs[wd_sector], 0, 0x01); | | 572 | wdr->cmd_iohs[wd_sector], 0, 0x01); |
570 | cl = bus_space_read_1(wdr->cmd_iot, | | 573 | cl = bus_space_read_1(wdr->cmd_iot, |
571 | wdr->cmd_iohs[wd_sector], 0); | | 574 | wdr->cmd_iohs[wd_sector], 0); |
572 | if (cl != 0x01) { | | 575 | if (cl != 0x01) { |
573 | ATADEBUG_PRINT(("%s:%d drive 0 wd_sector: " | | 576 | ATADEBUG_PRINT(("%s:%d drive 0 wd_sector: " |
574 | "got 0x%x != 0x01\n", | | 577 | "got 0x%x != 0x01\n", |
575 | device_xname(chp->ch_atac->atac_dev), | | 578 | device_xname(chp->ch_atac->atac_dev), |
576 | chp->ch_channel, cl), | | 579 | chp->ch_channel, cl), |
577 | DEBUG_PROBE); | | 580 | DEBUG_PROBE); |
578 | ret_value &= ~0x01; | | 581 | ret_value &= ~0x01; |
579 | } | | 582 | } |
580 | bus_space_write_1(wdr->cmd_iot, | | 583 | bus_space_write_1(wdr->cmd_iot, |
581 | wdr->cmd_iohs[wd_sector], 0, 0x02); | | 584 | wdr->cmd_iohs[wd_sector], 0, 0x02); |
582 | cl = bus_space_read_1(wdr->cmd_iot, | | 585 | cl = bus_space_read_1(wdr->cmd_iot, |
583 | wdr->cmd_iohs[wd_sector], 0); | | 586 | wdr->cmd_iohs[wd_sector], 0); |
584 | if (cl != 0x02) { | | 587 | if (cl != 0x02) { |
585 | ATADEBUG_PRINT(("%s:%d drive 0 wd_sector: " | | 588 | ATADEBUG_PRINT(("%s:%d drive 0 wd_sector: " |
586 | "got 0x%x != 0x02\n", | | 589 | "got 0x%x != 0x02\n", |
587 | device_xname(chp->ch_atac->atac_dev), | | 590 | device_xname(chp->ch_atac->atac_dev), |
588 | chp->ch_channel, cl), | | 591 | chp->ch_channel, cl), |
589 | DEBUG_PROBE); | | 592 | DEBUG_PROBE); |
590 | ret_value &= ~0x01; | | 593 | ret_value &= ~0x01; |
591 | } | | 594 | } |
592 | cl = bus_space_read_1(wdr->cmd_iot, | | 595 | cl = bus_space_read_1(wdr->cmd_iot, |
593 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 596 | wdr->cmd_iohs[wd_cyl_lo], 0); |
594 | if (cl != 0x01) { | | 597 | if (cl != 0x01) { |
595 | ATADEBUG_PRINT(("%s:%d drive 0 wd_cyl_lo(2): " | | 598 | ATADEBUG_PRINT(("%s:%d drive 0 wd_cyl_lo(2): " |
596 | "got 0x%x != 0x01\n", | | 599 | "got 0x%x != 0x01\n", |
597 | device_xname(chp->ch_atac->atac_dev), | | 600 | device_xname(chp->ch_atac->atac_dev), |
598 | chp->ch_channel, cl), | | 601 | chp->ch_channel, cl), |
599 | DEBUG_PROBE); | | 602 | DEBUG_PROBE); |
600 | ret_value &= ~0x01; | | 603 | ret_value &= ~0x01; |
601 | } | | 604 | } |
602 | } | | 605 | } |
603 | /* Register writability test, drive 1. */ | | 606 | /* Register writability test, drive 1. */ |
604 | if (ret_value & 0x02) { | | 607 | if (ret_value & 0x02) { |
605 | if (wdc->select) | | 608 | if (wdc->select) |
606 | wdc->select(chp,1); | | 609 | wdc->select(chp,1); |
607 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 610 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
608 | 0, WDSD_IBM | 0x10); | | 611 | 0, WDSD_IBM | 0x10); |
609 | bus_space_write_1(wdr->cmd_iot, | | 612 | bus_space_write_1(wdr->cmd_iot, |
610 | wdr->cmd_iohs[wd_cyl_lo], 0, 0x02); | | 613 | wdr->cmd_iohs[wd_cyl_lo], 0, 0x02); |
611 | cl = bus_space_read_1(wdr->cmd_iot, | | 614 | cl = bus_space_read_1(wdr->cmd_iot, |
612 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 615 | wdr->cmd_iohs[wd_cyl_lo], 0); |
613 | if (cl != 0x02) { | | 616 | if (cl != 0x02) { |
614 | ATADEBUG_PRINT(("%s:%d drive 1 wd_cyl_lo: " | | 617 | ATADEBUG_PRINT(("%s:%d drive 1 wd_cyl_lo: " |
615 | "got 0x%x != 0x02\n", | | 618 | "got 0x%x != 0x02\n", |
616 | device_xname(chp->ch_atac->atac_dev), | | 619 | device_xname(chp->ch_atac->atac_dev), |
617 | chp->ch_channel, cl), | | 620 | chp->ch_channel, cl), |
618 | DEBUG_PROBE); | | 621 | DEBUG_PROBE); |
619 | ret_value &= ~0x02; | | 622 | ret_value &= ~0x02; |
620 | } | | 623 | } |
621 | bus_space_write_1(wdr->cmd_iot, | | 624 | bus_space_write_1(wdr->cmd_iot, |
622 | wdr->cmd_iohs[wd_cyl_lo], 0, 0x01); | | 625 | wdr->cmd_iohs[wd_cyl_lo], 0, 0x01); |
623 | cl = bus_space_read_1(wdr->cmd_iot, | | 626 | cl = bus_space_read_1(wdr->cmd_iot, |
624 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 627 | wdr->cmd_iohs[wd_cyl_lo], 0); |
625 | if (cl != 0x01) { | | 628 | if (cl != 0x01) { |
626 | ATADEBUG_PRINT(("%s:%d drive 1 wd_cyl_lo: " | | 629 | ATADEBUG_PRINT(("%s:%d drive 1 wd_cyl_lo: " |
627 | "got 0x%x != 0x01\n", | | 630 | "got 0x%x != 0x01\n", |
628 | device_xname(chp->ch_atac->atac_dev), | | 631 | device_xname(chp->ch_atac->atac_dev), |
629 | chp->ch_channel, cl), | | 632 | chp->ch_channel, cl), |
630 | DEBUG_PROBE); | | 633 | DEBUG_PROBE); |
631 | ret_value &= ~0x02; | | 634 | ret_value &= ~0x02; |
632 | } | | 635 | } |
633 | bus_space_write_1(wdr->cmd_iot, | | 636 | bus_space_write_1(wdr->cmd_iot, |
634 | wdr->cmd_iohs[wd_sector], 0, 0x01); | | 637 | wdr->cmd_iohs[wd_sector], 0, 0x01); |
635 | cl = bus_space_read_1(wdr->cmd_iot, | | 638 | cl = bus_space_read_1(wdr->cmd_iot, |
636 | wdr->cmd_iohs[wd_sector], 0); | | 639 | wdr->cmd_iohs[wd_sector], 0); |
637 | if (cl != 0x01) { | | 640 | if (cl != 0x01) { |
638 | ATADEBUG_PRINT(("%s:%d drive 1 wd_sector: " | | 641 | ATADEBUG_PRINT(("%s:%d drive 1 wd_sector: " |
639 | "got 0x%x != 0x01\n", | | 642 | "got 0x%x != 0x01\n", |
640 | device_xname(chp->ch_atac->atac_dev), | | 643 | device_xname(chp->ch_atac->atac_dev), |
641 | chp->ch_channel, cl), | | 644 | chp->ch_channel, cl), |
642 | DEBUG_PROBE); | | 645 | DEBUG_PROBE); |
643 | ret_value &= ~0x02; | | 646 | ret_value &= ~0x02; |
644 | } | | 647 | } |
645 | bus_space_write_1(wdr->cmd_iot, | | 648 | bus_space_write_1(wdr->cmd_iot, |
646 | wdr->cmd_iohs[wd_sector], 0, 0x02); | | 649 | wdr->cmd_iohs[wd_sector], 0, 0x02); |
647 | cl = bus_space_read_1(wdr->cmd_iot, | | 650 | cl = bus_space_read_1(wdr->cmd_iot, |
648 | wdr->cmd_iohs[wd_sector], 0); | | 651 | wdr->cmd_iohs[wd_sector], 0); |
649 | if (cl != 0x02) { | | 652 | if (cl != 0x02) { |
650 | ATADEBUG_PRINT(("%s:%d drive 1 wd_sector: " | | 653 | ATADEBUG_PRINT(("%s:%d drive 1 wd_sector: " |
651 | "got 0x%x != 0x02\n", | | 654 | "got 0x%x != 0x02\n", |
652 | device_xname(chp->ch_atac->atac_dev), | | 655 | device_xname(chp->ch_atac->atac_dev), |
653 | chp->ch_channel, cl), | | 656 | chp->ch_channel, cl), |
654 | DEBUG_PROBE); | | 657 | DEBUG_PROBE); |
655 | ret_value &= ~0x02; | | 658 | ret_value &= ~0x02; |
656 | } | | 659 | } |
657 | cl = bus_space_read_1(wdr->cmd_iot, | | 660 | cl = bus_space_read_1(wdr->cmd_iot, |
658 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 661 | wdr->cmd_iohs[wd_cyl_lo], 0); |
659 | if (cl != 0x01) { | | 662 | if (cl != 0x01) { |
660 | ATADEBUG_PRINT(("%s:%d drive 1 wd_cyl_lo(2): " | | 663 | ATADEBUG_PRINT(("%s:%d drive 1 wd_cyl_lo(2): " |
661 | "got 0x%x != 0x01\n", | | 664 | "got 0x%x != 0x01\n", |
662 | device_xname(chp->ch_atac->atac_dev), | | 665 | device_xname(chp->ch_atac->atac_dev), |
663 | chp->ch_channel, cl), | | 666 | chp->ch_channel, cl), |
664 | DEBUG_PROBE); | | 667 | DEBUG_PROBE); |
665 | ret_value &= ~0x02; | | 668 | ret_value &= ~0x02; |
666 | } | | 669 | } |
667 | } | | 670 | } |
668 | | | 671 | |
669 | if (ret_value == 0) { | | 672 | if (ret_value == 0) { |
670 | splx(s); | | 673 | splx(s); |
671 | return 0; | | 674 | return 0; |
672 | } | | 675 | } |
673 | } | | 676 | } |
674 | | | 677 | |
675 | | | 678 | |
676 | #if 0 /* XXX this break some ATA or ATAPI devices */ | | 679 | #if 0 /* XXX this break some ATA or ATAPI devices */ |
677 | /* | | 680 | /* |
678 | * reset bus. Also send an ATAPI_RESET to devices, in case there are | | 681 | * reset bus. Also send an ATAPI_RESET to devices, in case there are |
679 | * ATAPI device out there which don't react to the bus reset | | 682 | * ATAPI device out there which don't react to the bus reset |
680 | */ | | 683 | */ |
681 | if (ret_value & 0x01) { | | 684 | if (ret_value & 0x01) { |
682 | if (wdc->select) | | 685 | if (wdc->select) |
683 | wdc->select(chp,0); | | 686 | wdc->select(chp,0); |
684 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 687 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
685 | 0, WDSD_IBM); | | 688 | 0, WDSD_IBM); |
686 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, | | 689 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, |
687 | ATAPI_SOFT_RESET); | | 690 | ATAPI_SOFT_RESET); |
688 | } | | 691 | } |
689 | if (ret_value & 0x02) { | | 692 | if (ret_value & 0x02) { |
690 | if (wdc->select) | | 693 | if (wdc->select) |
691 | wdc->select(chp,0); | | 694 | wdc->select(chp,0); |
692 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 695 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
693 | 0, WDSD_IBM | 0x10); | | 696 | 0, WDSD_IBM | 0x10); |
694 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, | | 697 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, |
695 | ATAPI_SOFT_RESET); | | 698 | ATAPI_SOFT_RESET); |
696 | } | | 699 | } |
697 | | | 700 | |
698 | delay(5000); | | 701 | delay(5000); |
699 | #endif | | 702 | #endif |
700 | | | 703 | |
701 | wdc->reset(chp, RESET_POLL); | | 704 | wdc->reset(chp, RESET_POLL); |
702 | DELAY(2000); | | 705 | DELAY(2000); |
703 | (void) bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_error], 0); | | 706 | (void) bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_error], 0); |
704 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, WDCTL_4BIT); | | 707 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, WDCTL_4BIT); |
705 | #ifdef WDC_NO_IDS | | 708 | #ifdef WDC_NO_IDS |
706 | ret_value = __wdcwait_reset(chp, ret_value, RESET_POLL); | | 709 | ret_value = __wdcwait_reset(chp, ret_value, RESET_POLL); |
707 | #else | | 710 | #else |
708 | splx(s); | | 711 | splx(s); |
709 | ret_value = __wdcwait_reset(chp, ret_value, poll); | | 712 | ret_value = __wdcwait_reset(chp, ret_value, poll); |
710 | s = splbio(); | | 713 | s = splbio(); |
711 | #endif | | 714 | #endif |
712 | ATADEBUG_PRINT(("%s:%d: after reset, ret_value=0x%d\n", | | 715 | ATADEBUG_PRINT(("%s:%d: after reset, ret_value=0x%d\n", |
713 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, | | 716 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, |
714 | ret_value), DEBUG_PROBE); | | 717 | ret_value), DEBUG_PROBE); |
715 | | | 718 | |
716 | /* if reset failed, there's nothing here */ | | 719 | /* if reset failed, there's nothing here */ |
717 | if (ret_value == 0) { | | 720 | if (ret_value == 0) { |
718 | splx(s); | | 721 | splx(s); |
719 | return 0; | | 722 | return 0; |
720 | } | | 723 | } |
721 | | | 724 | |
722 | /* | | 725 | /* |
723 | * Test presence of drives. First test register signatures looking | | 726 | * Test presence of drives. First test register signatures looking |
724 | * for ATAPI devices. If it's not an ATAPI and reset said there may | | 727 | * for ATAPI devices. If it's not an ATAPI and reset said there may |
725 | * be something here assume it's ATA or OLD. Ghost will be killed | | 728 | * be something here assume it's ATA or OLD. Ghost will be killed |
726 | * later in attach routine. | | 729 | * later in attach routine. |
727 | */ | | 730 | */ |
728 | for (drive = 0; drive < chp->ch_ndrive; drive++) { | | 731 | for (drive = 0; drive < chp->ch_ndrive; drive++) { |
729 | if ((ret_value & (0x01 << drive)) == 0) | | 732 | if ((ret_value & (0x01 << drive)) == 0) |
730 | continue; | | 733 | continue; |
731 | if (wdc->select) | | 734 | if (wdc->select) |
732 | wdc->select(chp,drive); | | 735 | wdc->select(chp,drive); |
733 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, | | 736 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, |
734 | WDSD_IBM | (drive << 4)); | | 737 | WDSD_IBM | (drive << 4)); |
735 | delay(10); /* 400ns delay */ | | 738 | delay(10); /* 400ns delay */ |
736 | /* Save registers contents */ | | 739 | /* Save registers contents */ |
737 | sc = bus_space_read_1(wdr->cmd_iot, | | 740 | sc = bus_space_read_1(wdr->cmd_iot, |
738 | wdr->cmd_iohs[wd_seccnt], 0); | | 741 | wdr->cmd_iohs[wd_seccnt], 0); |
739 | sn = bus_space_read_1(wdr->cmd_iot, | | 742 | sn = bus_space_read_1(wdr->cmd_iot, |
740 | wdr->cmd_iohs[wd_sector], 0); | | 743 | wdr->cmd_iohs[wd_sector], 0); |
741 | cl = bus_space_read_1(wdr->cmd_iot, | | 744 | cl = bus_space_read_1(wdr->cmd_iot, |
742 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 745 | wdr->cmd_iohs[wd_cyl_lo], 0); |
743 | ch = bus_space_read_1(wdr->cmd_iot, | | 746 | ch = bus_space_read_1(wdr->cmd_iot, |
744 | wdr->cmd_iohs[wd_cyl_hi], 0); | | 747 | wdr->cmd_iohs[wd_cyl_hi], 0); |
745 | | | 748 | |
746 | ATADEBUG_PRINT(("%s:%d:%d: after reset, sc=0x%x sn=0x%x " | | 749 | ATADEBUG_PRINT(("%s:%d:%d: after reset, sc=0x%x sn=0x%x " |
747 | "cl=0x%x ch=0x%x\n", | | 750 | "cl=0x%x ch=0x%x\n", |
748 | device_xname(chp->ch_atac->atac_dev), | | 751 | device_xname(chp->ch_atac->atac_dev), |
749 | chp->ch_channel, drive, sc, sn, cl, ch), DEBUG_PROBE); | | 752 | chp->ch_channel, drive, sc, sn, cl, ch), DEBUG_PROBE); |
750 | /* | | 753 | /* |
751 | * sc & sn are supposted to be 0x1 for ATAPI but in some cases | | 754 | * sc & sn are supposted to be 0x1 for ATAPI but in some cases |
752 | * we get wrong values here, so ignore it. | | 755 | * we get wrong values here, so ignore it. |
753 | */ | | 756 | */ |
754 | if (cl == 0x14 && ch == 0xeb) { | | 757 | if (cl == 0x14 && ch == 0xeb) { |
755 | chp->ch_drive[drive].drive_flags |= DRIVE_ATAPI; | | 758 | chp->ch_drive[drive].drive_flags |= DRIVE_ATAPI; |
756 | } else { | | 759 | } else { |
757 | chp->ch_drive[drive].drive_flags |= DRIVE_ATA; | | 760 | chp->ch_drive[drive].drive_flags |= DRIVE_ATA; |
758 | if ((wdc->cap & WDC_CAPABILITY_PREATA) != 0) | | 761 | if ((wdc->cap & WDC_CAPABILITY_PREATA) != 0) |
759 | chp->ch_drive[drive].drive_flags |= DRIVE_OLD; | | 762 | chp->ch_drive[drive].drive_flags |= DRIVE_OLD; |
760 | } | | 763 | } |
761 | } | | 764 | } |
762 | /* | | 765 | /* |
763 | * Select an existing drive before lowering spl, some WDC_NO_IDS | | 766 | * Select an existing drive before lowering spl, some WDC_NO_IDS |
764 | * devices incorrectly assert IRQ on nonexistent slave | | 767 | * devices incorrectly assert IRQ on nonexistent slave |
765 | */ | | 768 | */ |
766 | if (ret_value & 0x01) { | | 769 | if (ret_value & 0x01) { |
767 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, | | 770 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, |
768 | WDSD_IBM); | | 771 | WDSD_IBM); |
769 | (void)bus_space_read_1(wdr->cmd_iot, | | 772 | (void)bus_space_read_1(wdr->cmd_iot, |
770 | wdr->cmd_iohs[wd_status], 0); | | 773 | wdr->cmd_iohs[wd_status], 0); |
771 | } | | 774 | } |
772 | splx(s); | | 775 | splx(s); |
773 | return (ret_value); | | 776 | return (ret_value); |
774 | } | | 777 | } |
775 | | | 778 | |
776 | void | | 779 | void |
777 | wdcattach(struct ata_channel *chp) | | 780 | wdcattach(struct ata_channel *chp) |
778 | { | | 781 | { |
779 | struct atac_softc *atac = chp->ch_atac; | | 782 | struct atac_softc *atac = chp->ch_atac; |
780 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 783 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
781 | | | 784 | |
782 | KASSERT(chp->ch_ndrive > 0 && chp->ch_ndrive < 3); | | 785 | KASSERT(chp->ch_ndrive > 0 && chp->ch_ndrive < 3); |
783 | | | 786 | |
784 | /* default data transfer methods */ | | 787 | /* default data transfer methods */ |
785 | if (wdc->datain_pio == NULL) | | 788 | if (wdc->datain_pio == NULL) |
786 | wdc->datain_pio = wdc_datain_pio; | | 789 | wdc->datain_pio = wdc_datain_pio; |
787 | if (wdc->dataout_pio == NULL) | | 790 | if (wdc->dataout_pio == NULL) |
788 | wdc->dataout_pio = wdc_dataout_pio; | | 791 | wdc->dataout_pio = wdc_dataout_pio; |
789 | /* default reset method */ | | 792 | /* default reset method */ |
790 | if (wdc->reset == NULL) | | 793 | if (wdc->reset == NULL) |
791 | wdc->reset = wdc_do_reset; | | 794 | wdc->reset = wdc_do_reset; |
792 | | | 795 | |
793 | /* initialise global data */ | | 796 | /* initialise global data */ |
794 | if (atac->atac_bustype_ata == NULL) | | 797 | if (atac->atac_bustype_ata == NULL) |
795 | atac->atac_bustype_ata = &wdc_ata_bustype; | | 798 | atac->atac_bustype_ata = &wdc_ata_bustype; |
796 | if (atac->atac_probe == NULL) | | 799 | if (atac->atac_probe == NULL) |
797 | atac->atac_probe = wdc_drvprobe; | | 800 | atac->atac_probe = wdc_drvprobe; |
798 | #if NATAPIBUS > 0 | | 801 | #if NATAPIBUS > 0 |
799 | if (atac->atac_atapibus_attach == NULL) | | 802 | if (atac->atac_atapibus_attach == NULL) |
800 | atac->atac_atapibus_attach = wdc_atapibus_attach; | | 803 | atac->atac_atapibus_attach = wdc_atapibus_attach; |
801 | #endif | | 804 | #endif |
802 | | | 805 | |
803 | ata_channel_attach(chp); | | 806 | ata_channel_attach(chp); |
804 | } | | 807 | } |
805 | | | 808 | |
806 | void | | 809 | void |
807 | wdc_childdetached(device_t self, device_t child) | | 810 | wdc_childdetached(device_t self, device_t child) |
808 | { | | 811 | { |
809 | struct atac_softc *atac = device_private(self); | | 812 | struct atac_softc *atac = device_private(self); |
810 | struct ata_channel *chp; | | 813 | struct ata_channel *chp; |
811 | int i; | | 814 | int i; |
812 | | | 815 | |
813 | for (i = 0; i < atac->atac_nchannels; i++) { | | 816 | for (i = 0; i < atac->atac_nchannels; i++) { |
814 | chp = atac->atac_channels[i]; | | 817 | chp = atac->atac_channels[i]; |
815 | if (child == chp->atabus) { | | 818 | if (child == chp->atabus) { |
816 | chp->atabus = NULL; | | 819 | chp->atabus = NULL; |
817 | return; | | 820 | return; |
818 | } | | 821 | } |
819 | } | | 822 | } |
820 | } | | 823 | } |
821 | | | 824 | |
822 | int | | 825 | int |
823 | wdcdetach(device_t self, int flags) | | 826 | wdcdetach(device_t self, int flags) |
824 | { | | 827 | { |
825 | struct atac_softc *atac = device_private(self); | | 828 | struct atac_softc *atac = device_private(self); |
826 | struct ata_channel *chp; | | 829 | struct ata_channel *chp; |
827 | struct scsipi_adapter *adapt = &atac->atac_atapi_adapter._generic; | | 830 | struct scsipi_adapter *adapt = &atac->atac_atapi_adapter._generic; |
828 | int i, error = 0; | | 831 | int i, error = 0; |
829 | | | 832 | |
830 | for (i = 0; i < atac->atac_nchannels; i++) { | | 833 | for (i = 0; i < atac->atac_nchannels; i++) { |
831 | chp = atac->atac_channels[i]; | | 834 | chp = atac->atac_channels[i]; |
832 | if (chp->atabus == NULL) | | 835 | if (chp->atabus == NULL) |
833 | continue; | | 836 | continue; |
834 | ATADEBUG_PRINT(("wdcdetach: %s: detaching %s\n", | | 837 | ATADEBUG_PRINT(("wdcdetach: %s: detaching %s\n", |
835 | device_xname(atac->atac_dev), device_xname(chp->atabus)), | | 838 | device_xname(atac->atac_dev), device_xname(chp->atabus)), |
836 | DEBUG_DETACH); | | 839 | DEBUG_DETACH); |
837 | if ((error = config_detach(chp->atabus, flags)) != 0) | | 840 | if ((error = config_detach(chp->atabus, flags)) != 0) |
838 | return error; | | 841 | return error; |
839 | } | | 842 | } |
840 | if (adapt->adapt_refcnt != 0) | | 843 | if (adapt->adapt_refcnt != 0) |
841 | return EBUSY; | | 844 | return EBUSY; |
842 | return 0; | | 845 | return 0; |
843 | } | | 846 | } |
844 | | | 847 | |
845 | /* restart an interrupted I/O */ | | 848 | /* restart an interrupted I/O */ |
846 | void | | 849 | void |
847 | wdcrestart(void *v) | | 850 | wdcrestart(void *v) |
848 | { | | 851 | { |
849 | struct ata_channel *chp = v; | | 852 | struct ata_channel *chp = v; |
850 | int s; | | 853 | int s; |
851 | | | 854 | |
852 | s = splbio(); | | 855 | s = splbio(); |
853 | atastart(chp); | | 856 | atastart(chp); |
854 | splx(s); | | 857 | splx(s); |
855 | } | | 858 | } |
856 | | | 859 | |
857 | | | 860 | |
858 | /* | | 861 | /* |
859 | * Interrupt routine for the controller. Acknowledge the interrupt, check for | | 862 | * Interrupt routine for the controller. Acknowledge the interrupt, check for |
860 | * errors on the current operation, mark it done if necessary, and start the | | 863 | * errors on the current operation, mark it done if necessary, and start the |
861 | * next request. Also check for a partially done transfer, and continue with | | 864 | * next request. Also check for a partially done transfer, and continue with |
862 | * the next chunk if so. | | 865 | * the next chunk if so. |
863 | */ | | 866 | */ |
864 | int | | 867 | int |
865 | wdcintr(void *arg) | | 868 | wdcintr(void *arg) |
866 | { | | 869 | { |
867 | struct ata_channel *chp = arg; | | 870 | struct ata_channel *chp = arg; |
868 | struct atac_softc *atac = chp->ch_atac; | | 871 | struct atac_softc *atac = chp->ch_atac; |
869 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 872 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
870 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 873 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
871 | struct ata_xfer *xfer; | | 874 | struct ata_xfer *xfer; |
872 | int ret; | | 875 | int ret; |
873 | | | 876 | |
874 | if (!device_is_active(atac->atac_dev)) { | | 877 | if (!device_is_active(atac->atac_dev)) { |
875 | ATADEBUG_PRINT(("wdcintr: deactivated controller\n"), | | 878 | ATADEBUG_PRINT(("wdcintr: deactivated controller\n"), |
876 | DEBUG_INTR); | | 879 | DEBUG_INTR); |
877 | return (0); | | 880 | return (0); |
878 | } | | 881 | } |
879 | if ((chp->ch_flags & ATACH_IRQ_WAIT) == 0) { | | 882 | if ((chp->ch_flags & ATACH_IRQ_WAIT) == 0) { |
880 | ATADEBUG_PRINT(("wdcintr: inactive controller\n"), DEBUG_INTR); | | 883 | ATADEBUG_PRINT(("wdcintr: inactive controller\n"), DEBUG_INTR); |
881 | /* try to clear the pending interrupt anyway */ | | 884 | /* try to clear the pending interrupt anyway */ |
882 | (void)bus_space_read_1(wdr->cmd_iot, | | 885 | (void)bus_space_read_1(wdr->cmd_iot, |
883 | wdr->cmd_iohs[wd_status], 0); | | 886 | wdr->cmd_iohs[wd_status], 0); |
884 | return (0); | | 887 | return (0); |
885 | } | | 888 | } |
886 | | | 889 | |
887 | ATADEBUG_PRINT(("wdcintr\n"), DEBUG_INTR); | | 890 | ATADEBUG_PRINT(("wdcintr\n"), DEBUG_INTR); |
888 | xfer = chp->ch_queue->active_xfer; | | 891 | xfer = chp->ch_queue->active_xfer; |
889 | #ifdef DIAGNOSTIC | | 892 | #ifdef DIAGNOSTIC |
890 | if (xfer == NULL) | | 893 | if (xfer == NULL) |
891 | panic("wdcintr: no xfer"); | | 894 | panic("wdcintr: no xfer"); |
892 | if (xfer->c_chp != chp) { | | 895 | if (xfer->c_chp != chp) { |
893 | printf("channel %d expected %d\n", xfer->c_chp->ch_channel, | | 896 | printf("channel %d expected %d\n", xfer->c_chp->ch_channel, |
894 | chp->ch_channel); | | 897 | chp->ch_channel); |
895 | panic("wdcintr: wrong channel"); | | 898 | panic("wdcintr: wrong channel"); |
896 | } | | 899 | } |
897 | #endif | | 900 | #endif |
898 | #if NATA_DMA || NATA_PIOBM | | 901 | #if NATA_DMA || NATA_PIOBM |
899 | if (chp->ch_flags & ATACH_DMA_WAIT) { | | 902 | if (chp->ch_flags & ATACH_DMA_WAIT) { |
900 | wdc->dma_status = | | 903 | wdc->dma_status = |
901 | (*wdc->dma_finish)(wdc->dma_arg, chp->ch_channel, | | 904 | (*wdc->dma_finish)(wdc->dma_arg, chp->ch_channel, |
902 | xfer->c_drive, WDC_DMAEND_END); | | 905 | xfer->c_drive, WDC_DMAEND_END); |
903 | if (wdc->dma_status & WDC_DMAST_NOIRQ) { | | 906 | if (wdc->dma_status & WDC_DMAST_NOIRQ) { |
904 | /* IRQ not for us, not detected by DMA engine */ | | 907 | /* IRQ not for us, not detected by DMA engine */ |
905 | return 0; | | 908 | return 0; |
906 | } | | 909 | } |
907 | chp->ch_flags &= ~ATACH_DMA_WAIT; | | 910 | chp->ch_flags &= ~ATACH_DMA_WAIT; |
908 | } | | 911 | } |
909 | #endif | | 912 | #endif |
910 | chp->ch_flags &= ~ATACH_IRQ_WAIT; | | 913 | chp->ch_flags &= ~ATACH_IRQ_WAIT; |
911 | KASSERT(xfer->c_intr != NULL); | | 914 | KASSERT(xfer->c_intr != NULL); |
912 | ret = xfer->c_intr(chp, xfer, 1); | | 915 | ret = xfer->c_intr(chp, xfer, 1); |
913 | if (ret == 0) /* irq was not for us, still waiting for irq */ | | 916 | if (ret == 0) /* irq was not for us, still waiting for irq */ |
914 | chp->ch_flags |= ATACH_IRQ_WAIT; | | 917 | chp->ch_flags |= ATACH_IRQ_WAIT; |
915 | return (ret); | | 918 | return (ret); |
916 | } | | 919 | } |
917 | | | 920 | |
918 | /* Put all disk in RESET state */ | | 921 | /* Put all disk in RESET state */ |
919 | void | | 922 | void |
920 | wdc_reset_drive(struct ata_drive_datas *drvp, int flags) | | 923 | wdc_reset_drive(struct ata_drive_datas *drvp, int flags) |
921 | { | | 924 | { |
922 | struct ata_channel *chp = drvp->chnl_softc; | | 925 | struct ata_channel *chp = drvp->chnl_softc; |
923 | | | 926 | |
924 | ATADEBUG_PRINT(("wdc_reset_drive %s:%d for drive %d\n", | | 927 | ATADEBUG_PRINT(("wdc_reset_drive %s:%d for drive %d\n", |
925 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, | | 928 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, |
926 | drvp->drive), DEBUG_FUNCS); | | 929 | drvp->drive), DEBUG_FUNCS); |
927 | | | 930 | |
928 | ata_reset_channel(chp, flags); | | 931 | ata_reset_channel(chp, flags); |
929 | } | | 932 | } |
930 | | | 933 | |
931 | void | | 934 | void |
932 | wdc_reset_channel(struct ata_channel *chp, int flags) | | 935 | wdc_reset_channel(struct ata_channel *chp, int flags) |
933 | { | | 936 | { |
934 | TAILQ_HEAD(, ata_xfer) reset_xfer; | | 937 | TAILQ_HEAD(, ata_xfer) reset_xfer; |
935 | struct ata_xfer *xfer, *next_xfer; | | 938 | struct ata_xfer *xfer, *next_xfer; |
936 | #if NATA_DMA || NATA_PIOBM | | 939 | #if NATA_DMA || NATA_PIOBM |
937 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 940 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
938 | #endif | | 941 | #endif |
939 | TAILQ_INIT(&reset_xfer); | | 942 | TAILQ_INIT(&reset_xfer); |
940 | | | 943 | |
941 | chp->ch_flags &= ~ATACH_IRQ_WAIT; | | 944 | chp->ch_flags &= ~ATACH_IRQ_WAIT; |
942 | | | 945 | |
943 | /* | | 946 | /* |
944 | * if the current command if on an ATAPI device, issue a | | 947 | * if the current command if on an ATAPI device, issue a |
945 | * ATAPI_SOFT_RESET | | 948 | * ATAPI_SOFT_RESET |
946 | */ | | 949 | */ |
947 | xfer = chp->ch_queue->active_xfer; | | 950 | xfer = chp->ch_queue->active_xfer; |
948 | if (xfer && xfer->c_chp == chp && (xfer->c_flags & C_ATAPI)) { | | 951 | if (xfer && xfer->c_chp == chp && (xfer->c_flags & C_ATAPI)) { |
949 | wdccommandshort(chp, xfer->c_drive, ATAPI_SOFT_RESET); | | 952 | wdccommandshort(chp, xfer->c_drive, ATAPI_SOFT_RESET); |
950 | if (flags & AT_WAIT) | | 953 | if (flags & AT_WAIT) |
951 | tsleep(&flags, PRIBIO, "atardl", mstohz(1) + 1); | | 954 | tsleep(&flags, PRIBIO, "atardl", mstohz(1) + 1); |
952 | else | | 955 | else |
953 | delay(1000); | | 956 | delay(1000); |
954 | } | | 957 | } |
955 | | | 958 | |
956 | /* reset the channel */ | | 959 | /* reset the channel */ |
957 | if (flags & AT_WAIT) | | 960 | if (flags & AT_WAIT) |
958 | (void) wdcreset(chp, RESET_SLEEP); | | 961 | (void) wdcreset(chp, RESET_SLEEP); |
959 | else | | 962 | else |
960 | (void) wdcreset(chp, RESET_POLL); | | 963 | (void) wdcreset(chp, RESET_POLL); |
961 | | | 964 | |
962 | /* | | 965 | /* |
963 | * wait a bit after reset; in case the DMA engines needs some time | | 966 | * wait a bit after reset; in case the DMA engines needs some time |
964 | * to recover. | | 967 | * to recover. |
965 | */ | | 968 | */ |
966 | if (flags & AT_WAIT) | | 969 | if (flags & AT_WAIT) |
967 | tsleep(&flags, PRIBIO, "atardl", mstohz(1) + 1); | | 970 | tsleep(&flags, PRIBIO, "atardl", mstohz(1) + 1); |
968 | else | | 971 | else |
969 | delay(1000); | | 972 | delay(1000); |
970 | /* | | 973 | /* |
971 | * look for pending xfers. If we have a shared queue, we'll also reset | | 974 | * look for pending xfers. If we have a shared queue, we'll also reset |
972 | * the other channel if the current xfer is running on it. | | 975 | * the other channel if the current xfer is running on it. |
973 | * Then we'll dequeue only the xfers for this channel. | | 976 | * Then we'll dequeue only the xfers for this channel. |
974 | */ | | 977 | */ |
975 | if ((flags & AT_RST_NOCMD) == 0) { | | 978 | if ((flags & AT_RST_NOCMD) == 0) { |
976 | /* | | 979 | /* |
977 | * move all xfers queued for this channel to the reset queue, | | 980 | * move all xfers queued for this channel to the reset queue, |
978 | * and then process the current xfer and then the reset queue. | | 981 | * and then process the current xfer and then the reset queue. |
979 | * We have to use a temporary queue because c_kill_xfer() | | 982 | * We have to use a temporary queue because c_kill_xfer() |
980 | * may requeue commands. | | 983 | * may requeue commands. |
981 | */ | | 984 | */ |
982 | for (xfer = TAILQ_FIRST(&chp->ch_queue->queue_xfer); | | 985 | for (xfer = TAILQ_FIRST(&chp->ch_queue->queue_xfer); |
983 | xfer != NULL; xfer = next_xfer) { | | 986 | xfer != NULL; xfer = next_xfer) { |
984 | next_xfer = TAILQ_NEXT(xfer, c_xferchain); | | 987 | next_xfer = TAILQ_NEXT(xfer, c_xferchain); |
985 | if (xfer->c_chp != chp) | | 988 | if (xfer->c_chp != chp) |
986 | continue; | | 989 | continue; |
987 | TAILQ_REMOVE(&chp->ch_queue->queue_xfer, | | 990 | TAILQ_REMOVE(&chp->ch_queue->queue_xfer, |
988 | xfer, c_xferchain); | | 991 | xfer, c_xferchain); |
989 | TAILQ_INSERT_TAIL(&reset_xfer, xfer, c_xferchain); | | 992 | TAILQ_INSERT_TAIL(&reset_xfer, xfer, c_xferchain); |
990 | } | | 993 | } |
991 | xfer = chp->ch_queue->active_xfer; | | 994 | xfer = chp->ch_queue->active_xfer; |
992 | if (xfer) { | | 995 | if (xfer) { |
993 | if (xfer->c_chp != chp) | | 996 | if (xfer->c_chp != chp) |
994 | ata_reset_channel(xfer->c_chp, flags); | | 997 | ata_reset_channel(xfer->c_chp, flags); |
995 | else { | | 998 | else { |
996 | callout_stop(&chp->ch_callout); | | 999 | callout_stop(&chp->ch_callout); |
997 | #if NATA_DMA || NATA_PIOBM | | 1000 | #if NATA_DMA || NATA_PIOBM |
998 | /* | | 1001 | /* |
999 | * If we're waiting for DMA, stop the | | 1002 | * If we're waiting for DMA, stop the |
1000 | * DMA engine | | 1003 | * DMA engine |
1001 | */ | | 1004 | */ |
1002 | if (chp->ch_flags & ATACH_DMA_WAIT) { | | 1005 | if (chp->ch_flags & ATACH_DMA_WAIT) { |
1003 | (*wdc->dma_finish)( | | 1006 | (*wdc->dma_finish)( |
1004 | wdc->dma_arg, | | 1007 | wdc->dma_arg, |
1005 | chp->ch_channel, | | 1008 | chp->ch_channel, |
1006 | xfer->c_drive, | | 1009 | xfer->c_drive, |
1007 | WDC_DMAEND_ABRT_QUIET); | | 1010 | WDC_DMAEND_ABRT_QUIET); |
1008 | chp->ch_flags &= ~ATACH_DMA_WAIT; | | 1011 | chp->ch_flags &= ~ATACH_DMA_WAIT; |
1009 | } | | 1012 | } |
1010 | #endif | | 1013 | #endif |
1011 | chp->ch_queue->active_xfer = NULL; | | 1014 | chp->ch_queue->active_xfer = NULL; |
1012 | if ((flags & AT_RST_EMERG) == 0) | | 1015 | if ((flags & AT_RST_EMERG) == 0) |
1013 | xfer->c_kill_xfer( | | 1016 | xfer->c_kill_xfer( |
1014 | chp, xfer, KILL_RESET); | | 1017 | chp, xfer, KILL_RESET); |
1015 | } | | 1018 | } |
1016 | } | | 1019 | } |
1017 | | | 1020 | |
1018 | for (xfer = TAILQ_FIRST(&reset_xfer); | | 1021 | for (xfer = TAILQ_FIRST(&reset_xfer); |
1019 | xfer != NULL; xfer = next_xfer) { | | 1022 | xfer != NULL; xfer = next_xfer) { |
1020 | next_xfer = TAILQ_NEXT(xfer, c_xferchain); | | 1023 | next_xfer = TAILQ_NEXT(xfer, c_xferchain); |
1021 | TAILQ_REMOVE(&reset_xfer, xfer, c_xferchain); | | 1024 | TAILQ_REMOVE(&reset_xfer, xfer, c_xferchain); |
1022 | if ((flags & AT_RST_EMERG) == 0) | | 1025 | if ((flags & AT_RST_EMERG) == 0) |
1023 | xfer->c_kill_xfer(chp, xfer, KILL_RESET); | | 1026 | xfer->c_kill_xfer(chp, xfer, KILL_RESET); |
1024 | } | | 1027 | } |
1025 | } | | 1028 | } |
1026 | } | | 1029 | } |
1027 | | | 1030 | |
1028 | static int | | 1031 | static int |
1029 | wdcreset(struct ata_channel *chp, int poll) | | 1032 | wdcreset(struct ata_channel *chp, int poll) |
1030 | { | | 1033 | { |
1031 | struct atac_softc *atac = chp->ch_atac; | | 1034 | struct atac_softc *atac = chp->ch_atac; |
1032 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1035 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1033 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1036 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1034 | int drv_mask1, drv_mask2; | | 1037 | int drv_mask1, drv_mask2; |
1035 | | | 1038 | |
1036 | #ifdef WDC_NO_IDS | | 1039 | #ifdef WDC_NO_IDS |
1037 | poll = RESET_POLL; | | 1040 | poll = RESET_POLL; |
1038 | #endif | | 1041 | #endif |
1039 | wdc->reset(chp, poll); | | 1042 | wdc->reset(chp, poll); |
1040 | | | 1043 | |
1041 | drv_mask1 = (chp->ch_drive[0].drive_flags & DRIVE) ? 0x01:0x00; | | 1044 | drv_mask1 = (chp->ch_drive[0].drive_flags & DRIVE) ? 0x01:0x00; |
1042 | drv_mask1 |= (chp->ch_drive[1].drive_flags & DRIVE) ? 0x02:0x00; | | 1045 | drv_mask1 |= (chp->ch_drive[1].drive_flags & DRIVE) ? 0x02:0x00; |
1043 | drv_mask2 = __wdcwait_reset(chp, drv_mask1, | | 1046 | drv_mask2 = __wdcwait_reset(chp, drv_mask1, |
1044 | (poll == RESET_SLEEP) ? 0 : 1); | | 1047 | (poll == RESET_SLEEP) ? 0 : 1); |
1045 | if (drv_mask2 != drv_mask1) { | | 1048 | if (drv_mask2 != drv_mask1) { |
1046 | aprint_error("%s channel %d: reset failed for", | | 1049 | aprint_error("%s channel %d: reset failed for", |
1047 | device_xname(atac->atac_dev), chp->ch_channel); | | 1050 | device_xname(atac->atac_dev), chp->ch_channel); |
1048 | if ((drv_mask1 & 0x01) != 0 && (drv_mask2 & 0x01) == 0) | | 1051 | if ((drv_mask1 & 0x01) != 0 && (drv_mask2 & 0x01) == 0) |
1049 | aprint_normal(" drive 0"); | | 1052 | aprint_normal(" drive 0"); |
1050 | if ((drv_mask1 & 0x02) != 0 && (drv_mask2 & 0x02) == 0) | | 1053 | if ((drv_mask1 & 0x02) != 0 && (drv_mask2 & 0x02) == 0) |
1051 | aprint_normal(" drive 1"); | | 1054 | aprint_normal(" drive 1"); |
1052 | aprint_normal("\n"); | | 1055 | aprint_normal("\n"); |
1053 | } | | 1056 | } |
1054 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, WDCTL_4BIT); | | 1057 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, WDCTL_4BIT); |
1055 | return (drv_mask1 != drv_mask2) ? 1 : 0; | | 1058 | return (drv_mask1 != drv_mask2) ? 1 : 0; |
1056 | } | | 1059 | } |
1057 | | | 1060 | |
1058 | void | | 1061 | void |
1059 | wdc_do_reset(struct ata_channel *chp, int poll) | | 1062 | wdc_do_reset(struct ata_channel *chp, int poll) |
1060 | { | | 1063 | { |
1061 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1064 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1062 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1065 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1063 | int s = 0; | | 1066 | int s = 0; |
1064 | | | 1067 | |
1065 | if (poll != RESET_SLEEP) | | 1068 | if (poll != RESET_SLEEP) |
1066 | s = splbio(); | | 1069 | s = splbio(); |
1067 | if (wdc->select) | | 1070 | if (wdc->select) |
1068 | wdc->select(chp,0); | | 1071 | wdc->select(chp,0); |
1069 | /* master */ | | 1072 | /* master */ |
1070 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, WDSD_IBM); | | 1073 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, WDSD_IBM); |
1071 | delay(10); /* 400ns delay */ | | 1074 | delay(10); /* 400ns delay */ |
1072 | /* assert SRST, wait for reset to complete */ | | 1075 | /* assert SRST, wait for reset to complete */ |
1073 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, | | 1076 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, |
1074 | WDCTL_RST | WDCTL_IDS | WDCTL_4BIT); | | 1077 | WDCTL_RST | WDCTL_IDS | WDCTL_4BIT); |
1075 | delay(2000); | | 1078 | delay(2000); |
1076 | (void) bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_error], 0); | | 1079 | (void) bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_error], 0); |
1077 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, | | 1080 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, |
1078 | WDCTL_4BIT | WDCTL_IDS); | | 1081 | WDCTL_4BIT | WDCTL_IDS); |
1079 | delay(10); /* 400ns delay */ | | 1082 | delay(10); /* 400ns delay */ |
1080 | if (poll != RESET_SLEEP) { | | 1083 | if (poll != RESET_SLEEP) { |
1081 | /* ACK interrupt in case there is one pending left */ | | 1084 | /* ACK interrupt in case there is one pending left */ |
1082 | if (wdc->irqack) | | 1085 | if (wdc->irqack) |
1083 | wdc->irqack(chp); | | 1086 | wdc->irqack(chp); |
1084 | splx(s); | | 1087 | splx(s); |
1085 | } | | 1088 | } |
1086 | } | | 1089 | } |
1087 | | | 1090 | |
1088 | static int | | 1091 | static int |
1089 | __wdcwait_reset(struct ata_channel *chp, int drv_mask, int poll) | | 1092 | __wdcwait_reset(struct ata_channel *chp, int drv_mask, int poll) |
1090 | { | | 1093 | { |
1091 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1094 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1092 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1095 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1093 | int timeout, nloop; | | 1096 | int timeout, nloop; |
1094 | u_int8_t st0 = 0, st1 = 0; | | 1097 | u_int8_t st0 = 0, st1 = 0; |
1095 | #ifdef ATADEBUG | | 1098 | #ifdef ATADEBUG |
1096 | u_int8_t sc0 = 0, sn0 = 0, cl0 = 0, ch0 = 0; | | 1099 | u_int8_t sc0 = 0, sn0 = 0, cl0 = 0, ch0 = 0; |
1097 | u_int8_t sc1 = 0, sn1 = 0, cl1 = 0, ch1 = 0; | | 1100 | u_int8_t sc1 = 0, sn1 = 0, cl1 = 0, ch1 = 0; |
1098 | #endif | | 1101 | #endif |
1099 | KASSERT(poll == 1); | | 1102 | KASSERT(poll == RESET_POLL); |
1100 | if (poll) | | 1103 | if (poll) |
1101 | nloop = WDCNDELAY_RST; | | 1104 | nloop = WDCNDELAY_RST; |
1102 | else | | 1105 | else |
1103 | nloop = WDC_RESET_WAIT * hz / 1000; | | 1106 | nloop = WDC_RESET_WAIT * hz / 1000; |
1104 | /* wait for BSY to deassert */ | | 1107 | /* wait for BSY to deassert */ |
1105 | for (timeout = 0; timeout < nloop; timeout++) { | | 1108 | for (timeout = 0; timeout < nloop; timeout++) { |
1106 | if ((drv_mask & 0x01) != 0) { | | 1109 | if ((drv_mask & 0x01) != 0) { |
1107 | if (wdc->select) | | 1110 | if (wdc->select) |
1108 | wdc->select(chp,0); | | 1111 | wdc->select(chp,0); |
1109 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 1112 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
1110 | 0, WDSD_IBM); /* master */ | | 1113 | 0, WDSD_IBM); /* master */ |
1111 | delay(10); | | 1114 | delay(10); |
1112 | st0 = bus_space_read_1(wdr->cmd_iot, | | 1115 | st0 = bus_space_read_1(wdr->cmd_iot, |
1113 | wdr->cmd_iohs[wd_status], 0); | | 1116 | wdr->cmd_iohs[wd_status], 0); |
1114 | #ifdef ATADEBUG | | 1117 | #ifdef ATADEBUG |
1115 | sc0 = bus_space_read_1(wdr->cmd_iot, | | 1118 | sc0 = bus_space_read_1(wdr->cmd_iot, |
1116 | wdr->cmd_iohs[wd_seccnt], 0); | | 1119 | wdr->cmd_iohs[wd_seccnt], 0); |
1117 | sn0 = bus_space_read_1(wdr->cmd_iot, | | 1120 | sn0 = bus_space_read_1(wdr->cmd_iot, |
1118 | wdr->cmd_iohs[wd_sector], 0); | | 1121 | wdr->cmd_iohs[wd_sector], 0); |
1119 | cl0 = bus_space_read_1(wdr->cmd_iot, | | 1122 | cl0 = bus_space_read_1(wdr->cmd_iot, |
1120 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 1123 | wdr->cmd_iohs[wd_cyl_lo], 0); |
1121 | ch0 = bus_space_read_1(wdr->cmd_iot, | | 1124 | ch0 = bus_space_read_1(wdr->cmd_iot, |
1122 | wdr->cmd_iohs[wd_cyl_hi], 0); | | 1125 | wdr->cmd_iohs[wd_cyl_hi], 0); |
1123 | #endif | | 1126 | #endif |
1124 | } | | 1127 | } |
1125 | if ((drv_mask & 0x02) != 0) { | | 1128 | if ((drv_mask & 0x02) != 0) { |
1126 | if (wdc->select) | | 1129 | if (wdc->select) |
1127 | wdc->select(chp,1); | | 1130 | wdc->select(chp,1); |
1128 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], | | 1131 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], |
1129 | 0, WDSD_IBM | 0x10); /* slave */ | | 1132 | 0, WDSD_IBM | 0x10); /* slave */ |
1130 | delay(10); | | 1133 | delay(10); |
1131 | st1 = bus_space_read_1(wdr->cmd_iot, | | 1134 | st1 = bus_space_read_1(wdr->cmd_iot, |
1132 | wdr->cmd_iohs[wd_status], 0); | | 1135 | wdr->cmd_iohs[wd_status], 0); |
1133 | #ifdef ATADEBUG | | 1136 | #ifdef ATADEBUG |
1134 | sc1 = bus_space_read_1(wdr->cmd_iot, | | 1137 | sc1 = bus_space_read_1(wdr->cmd_iot, |
1135 | wdr->cmd_iohs[wd_seccnt], 0); | | 1138 | wdr->cmd_iohs[wd_seccnt], 0); |
1136 | sn1 = bus_space_read_1(wdr->cmd_iot, | | 1139 | sn1 = bus_space_read_1(wdr->cmd_iot, |
1137 | wdr->cmd_iohs[wd_sector], 0); | | 1140 | wdr->cmd_iohs[wd_sector], 0); |
1138 | cl1 = bus_space_read_1(wdr->cmd_iot, | | 1141 | cl1 = bus_space_read_1(wdr->cmd_iot, |
1139 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 1142 | wdr->cmd_iohs[wd_cyl_lo], 0); |
1140 | ch1 = bus_space_read_1(wdr->cmd_iot, | | 1143 | ch1 = bus_space_read_1(wdr->cmd_iot, |
1141 | wdr->cmd_iohs[wd_cyl_hi], 0); | | 1144 | wdr->cmd_iohs[wd_cyl_hi], 0); |
1142 | #endif | | 1145 | #endif |
1143 | } | | 1146 | } |
1144 | | | 1147 | |
1145 | if ((drv_mask & 0x01) == 0) { | | 1148 | if ((drv_mask & 0x01) == 0) { |
1146 | /* no master */ | | 1149 | /* no master */ |
1147 | if ((drv_mask & 0x02) != 0 && (st1 & WDCS_BSY) == 0) { | | 1150 | if ((drv_mask & 0x02) != 0 && (st1 & WDCS_BSY) == 0) { |
1148 | /* No master, slave is ready, it's done */ | | 1151 | /* No master, slave is ready, it's done */ |
1149 | goto end; | | 1152 | goto end; |
1150 | } | | 1153 | } |
1151 | if ((drv_mask & 0x02) == 0) { | | 1154 | if ((drv_mask & 0x02) == 0) { |
1152 | /* No master, no slave: it's done */ | | 1155 | /* No master, no slave: it's done */ |
1153 | goto end; | | 1156 | goto end; |
1154 | } | | 1157 | } |
1155 | } else if ((drv_mask & 0x02) == 0) { | | 1158 | } else if ((drv_mask & 0x02) == 0) { |
1156 | /* no slave */ | | 1159 | /* no slave */ |
1157 | if ((drv_mask & 0x01) != 0 && (st0 & WDCS_BSY) == 0) { | | 1160 | if ((drv_mask & 0x01) != 0 && (st0 & WDCS_BSY) == 0) { |
1158 | /* No slave, master is ready, it's done */ | | 1161 | /* No slave, master is ready, it's done */ |
1159 | goto end; | | 1162 | goto end; |
1160 | } | | 1163 | } |
1161 | } else { | | 1164 | } else { |
1162 | /* Wait for both master and slave to be ready */ | | 1165 | /* Wait for both master and slave to be ready */ |
1163 | if ((st0 & WDCS_BSY) == 0 && (st1 & WDCS_BSY) == 0) { | | 1166 | if ((st0 & WDCS_BSY) == 0 && (st1 & WDCS_BSY) == 0) { |
1164 | goto end; | | 1167 | goto end; |
1165 | } | | 1168 | } |
1166 | } | | 1169 | } |
1167 | if (poll) | | 1170 | if (poll) |
1168 | delay(WDCDELAY); | | 1171 | delay(WDCDELAY); |
1169 | else | | 1172 | else |
1170 | tsleep(&nloop, PRIBIO, "atarst", 1); | | 1173 | tsleep(&nloop, PRIBIO, "atarst", 1); |
1171 | } | | 1174 | } |
1172 | /* Reset timed out. Maybe it's because drv_mask was not right */ | | 1175 | /* Reset timed out. Maybe it's because drv_mask was not right */ |
1173 | if (st0 & WDCS_BSY) | | 1176 | if (st0 & WDCS_BSY) |
1174 | drv_mask &= ~0x01; | | 1177 | drv_mask &= ~0x01; |
1175 | if (st1 & WDCS_BSY) | | 1178 | if (st1 & WDCS_BSY) |
1176 | drv_mask &= ~0x02; | | 1179 | drv_mask &= ~0x02; |
1177 | end: | | 1180 | end: |
1178 | ATADEBUG_PRINT(("%s:%d:0: after reset, sc=0x%x sn=0x%x " | | 1181 | ATADEBUG_PRINT(("%s:%d:0: after reset, sc=0x%x sn=0x%x " |
1179 | "cl=0x%x ch=0x%x\n", | | 1182 | "cl=0x%x ch=0x%x\n", |
1180 | device_xname(chp->ch_atac->atac_dev), | | 1183 | device_xname(chp->ch_atac->atac_dev), |
1181 | chp->ch_channel, sc0, sn0, cl0, ch0), DEBUG_PROBE); | | 1184 | chp->ch_channel, sc0, sn0, cl0, ch0), DEBUG_PROBE); |
1182 | ATADEBUG_PRINT(("%s:%d:1: after reset, sc=0x%x sn=0x%x " | | 1185 | ATADEBUG_PRINT(("%s:%d:1: after reset, sc=0x%x sn=0x%x " |
1183 | "cl=0x%x ch=0x%x\n", | | 1186 | "cl=0x%x ch=0x%x\n", |
1184 | device_xname(chp->ch_atac->atac_dev), | | 1187 | device_xname(chp->ch_atac->atac_dev), |
1185 | chp->ch_channel, sc1, sn1, cl1, ch1), DEBUG_PROBE); | | 1188 | chp->ch_channel, sc1, sn1, cl1, ch1), DEBUG_PROBE); |
1186 | | | 1189 | |
1187 | ATADEBUG_PRINT(("%s:%d: wdcwait_reset() end, st0=0x%x st1=0x%x\n", | | 1190 | ATADEBUG_PRINT(("%s:%d: wdcwait_reset() end, st0=0x%x st1=0x%x\n", |
1188 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, | | 1191 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, |
1189 | st0, st1), DEBUG_PROBE); | | 1192 | st0, st1), DEBUG_PROBE); |
1190 | | | 1193 | |
1191 | return drv_mask; | | 1194 | return drv_mask; |
1192 | } | | 1195 | } |
1193 | | | 1196 | |
1194 | /* | | 1197 | /* |
1195 | * Wait for a drive to be !BSY, and have mask in its status register. | | 1198 | * Wait for a drive to be !BSY, and have mask in its status register. |
1196 | * return -1 for a timeout after "timeout" ms. | | 1199 | * return -1 for a timeout after "timeout" ms. |
1197 | */ | | 1200 | */ |
1198 | static int | | 1201 | static int |
1199 | __wdcwait(struct ata_channel *chp, int mask, int bits, int timeout) | | 1202 | __wdcwait(struct ata_channel *chp, int mask, int bits, int timeout) |
1200 | { | | 1203 | { |
1201 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1204 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1202 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1205 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1203 | u_char status; | | 1206 | u_char status; |
1204 | int xtime = 0; | | 1207 | int xtime = 0; |
1205 | | | 1208 | |
1206 | ATADEBUG_PRINT(("__wdcwait %s:%d\n", | | 1209 | ATADEBUG_PRINT(("__wdcwait %s:%d\n", |
1207 | device_xname(chp->ch_atac->atac_dev), | | 1210 | device_xname(chp->ch_atac->atac_dev), |
1208 | chp->ch_channel), DEBUG_STATUS); | | 1211 | chp->ch_channel), DEBUG_STATUS); |
1209 | chp->ch_error = 0; | | 1212 | chp->ch_error = 0; |
1210 | | | 1213 | |
1211 | timeout = timeout * 1000 / WDCDELAY; /* delay uses microseconds */ | | 1214 | timeout = timeout * 1000 / WDCDELAY; /* delay uses microseconds */ |
1212 | | | 1215 | |
1213 | for (;;) { | | 1216 | for (;;) { |
1214 | chp->ch_status = status = | | 1217 | chp->ch_status = status = |
1215 | bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_status], 0); | | 1218 | bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_status], 0); |
1216 | if ((status & (WDCS_BSY | mask)) == bits) | | 1219 | if ((status & (WDCS_BSY | mask)) == bits) |
1217 | break; | | 1220 | break; |
1218 | if (++xtime > timeout) { | | 1221 | if (++xtime > timeout) { |
1219 | ATADEBUG_PRINT(("__wdcwait: timeout (time=%d), " | | 1222 | ATADEBUG_PRINT(("__wdcwait: timeout (time=%d), " |
1220 | "status %x error %x (mask 0x%x bits 0x%x)\n", | | 1223 | "status %x error %x (mask 0x%x bits 0x%x)\n", |
1221 | xtime, status, | | 1224 | xtime, status, |
1222 | bus_space_read_1(wdr->cmd_iot, | | 1225 | bus_space_read_1(wdr->cmd_iot, |
1223 | wdr->cmd_iohs[wd_error], 0), mask, bits), | | 1226 | wdr->cmd_iohs[wd_error], 0), mask, bits), |
1224 | DEBUG_STATUS | DEBUG_PROBE | DEBUG_DELAY); | | 1227 | DEBUG_STATUS | DEBUG_PROBE | DEBUG_DELAY); |
1225 | return(WDCWAIT_TOUT); | | 1228 | return(WDCWAIT_TOUT); |
1226 | } | | 1229 | } |
1227 | delay(WDCDELAY); | | 1230 | delay(WDCDELAY); |
1228 | } | | 1231 | } |
1229 | #ifdef ATADEBUG | | 1232 | #ifdef ATADEBUG |
1230 | if (xtime > 0 && (atadebug_mask & DEBUG_DELAY)) | | 1233 | if (xtime > 0 && (atadebug_mask & DEBUG_DELAY)) |
1231 | printf("__wdcwait: did busy-wait, time=%d\n", xtime); | | 1234 | printf("__wdcwait: did busy-wait, time=%d\n", xtime); |
1232 | #endif | | 1235 | #endif |
1233 | if (status & WDCS_ERR) | | 1236 | if (status & WDCS_ERR) |
1234 | chp->ch_error = bus_space_read_1(wdr->cmd_iot, | | 1237 | chp->ch_error = bus_space_read_1(wdr->cmd_iot, |
1235 | wdr->cmd_iohs[wd_error], 0); | | 1238 | wdr->cmd_iohs[wd_error], 0); |
1236 | #ifdef WDCNDELAY_DEBUG | | 1239 | #ifdef WDCNDELAY_DEBUG |
1237 | /* After autoconfig, there should be no long delays. */ | | 1240 | /* After autoconfig, there should be no long delays. */ |
1238 | if (!cold && xtime > WDCNDELAY_DEBUG) { | | 1241 | if (!cold && xtime > WDCNDELAY_DEBUG) { |
1239 | struct ata_xfer *xfer = chp->ch_queue->active_xfer; | | 1242 | struct ata_xfer *xfer = chp->ch_queue->active_xfer; |
1240 | if (xfer == NULL) | | 1243 | if (xfer == NULL) |
1241 | printf("%s channel %d: warning: busy-wait took %dus\n", | | 1244 | printf("%s channel %d: warning: busy-wait took %dus\n", |
1242 | device_xname(chp->ch_atac->atac_dev), | | 1245 | device_xname(chp->ch_atac->atac_dev), |
1243 | chp->ch_channel, WDCDELAY * xtime); | | 1246 | chp->ch_channel, WDCDELAY * xtime); |
1244 | else | | 1247 | else |
1245 | printf("%s:%d:%d: warning: busy-wait took %dus\n", | | 1248 | printf("%s:%d:%d: warning: busy-wait took %dus\n", |
1246 | device_xname(chp->ch_atac->atac_dev), | | 1249 | device_xname(chp->ch_atac->atac_dev), |
1247 | chp->ch_channel, xfer->c_drive, | | 1250 | chp->ch_channel, xfer->c_drive, |
1248 | WDCDELAY * xtime); | | 1251 | WDCDELAY * xtime); |
1249 | } | | 1252 | } |
1250 | #endif | | 1253 | #endif |
1251 | return(WDCWAIT_OK); | | 1254 | return(WDCWAIT_OK); |
1252 | } | | 1255 | } |
1253 | | | 1256 | |
1254 | /* | | 1257 | /* |
1255 | * Call __wdcwait(), polling using tsleep() or waking up the kernel | | 1258 | * Call __wdcwait(), polling using tsleep() or waking up the kernel |
1256 | * thread if possible | | 1259 | * thread if possible |
1257 | */ | | 1260 | */ |
1258 | int | | 1261 | int |
1259 | wdcwait(struct ata_channel *chp, int mask, int bits, int timeout, int flags) | | 1262 | wdcwait(struct ata_channel *chp, int mask, int bits, int timeout, int flags) |
1260 | { | | 1263 | { |
1261 | int error, i, timeout_hz = mstohz(timeout); | | 1264 | int error, i, timeout_hz = mstohz(timeout); |
1262 | | | 1265 | |
1263 | if (timeout_hz == 0 || | | 1266 | if (timeout_hz == 0 || |
1264 | (flags & (AT_WAIT | AT_POLL)) == AT_POLL) | | 1267 | (flags & (AT_WAIT | AT_POLL)) == AT_POLL) |
1265 | error = __wdcwait(chp, mask, bits, timeout); | | 1268 | error = __wdcwait(chp, mask, bits, timeout); |
1266 | else { | | 1269 | else { |
1267 | error = __wdcwait(chp, mask, bits, WDCDELAY_POLL); | | 1270 | error = __wdcwait(chp, mask, bits, WDCDELAY_POLL); |
1268 | if (error != 0) { | | 1271 | if (error != 0) { |
1269 | if ((chp->ch_flags & ATACH_TH_RUN) || | | 1272 | if ((chp->ch_flags & ATACH_TH_RUN) || |
1270 | (flags & AT_WAIT)) { | | 1273 | (flags & AT_WAIT)) { |
1271 | /* | | 1274 | /* |
1272 | * we're running in the channel thread | | 1275 | * we're running in the channel thread |
1273 | * or some userland thread context | | 1276 | * or some userland thread context |
1274 | */ | | 1277 | */ |
1275 | for (i = 0; i < timeout_hz; i++) { | | 1278 | for (i = 0; i < timeout_hz; i++) { |
1276 | if (__wdcwait(chp, mask, bits, | | 1279 | if (__wdcwait(chp, mask, bits, |
1277 | WDCDELAY_POLL) == 0) { | | 1280 | WDCDELAY_POLL) == 0) { |
1278 | error = 0; | | 1281 | error = 0; |
1279 | break; | | 1282 | break; |
1280 | } | | 1283 | } |
1281 | tsleep(&chp, PRIBIO, "atapoll", 1); | | 1284 | tsleep(&chp, PRIBIO, "atapoll", 1); |
1282 | } | | 1285 | } |
1283 | } else { | | 1286 | } else { |
1284 | /* | | 1287 | /* |
1285 | * we're probably in interrupt context, | | 1288 | * we're probably in interrupt context, |
1286 | * ask the thread to come back here | | 1289 | * ask the thread to come back here |
1287 | */ | | 1290 | */ |
1288 | #ifdef DIAGNOSTIC | | 1291 | #ifdef DIAGNOSTIC |
1289 | if (chp->ch_queue->queue_freeze > 0) | | 1292 | if (chp->ch_queue->queue_freeze > 0) |
1290 | panic("wdcwait: queue_freeze"); | | 1293 | panic("wdcwait: queue_freeze"); |
1291 | #endif | | 1294 | #endif |
1292 | chp->ch_queue->queue_freeze++; | | 1295 | chp->ch_queue->queue_freeze++; |
1293 | wakeup(&chp->ch_thread); | | 1296 | wakeup(&chp->ch_thread); |
1294 | return(WDCWAIT_THR); | | 1297 | return(WDCWAIT_THR); |
1295 | } | | 1298 | } |
1296 | } | | 1299 | } |
1297 | } | | 1300 | } |
1298 | return (error); | | 1301 | return (error); |
1299 | } | | 1302 | } |
1300 | | | 1303 | |
1301 | | | 1304 | |
1302 | #if NATA_DMA | | 1305 | #if NATA_DMA |
1303 | /* | | 1306 | /* |
1304 | * Busy-wait for DMA to complete | | 1307 | * Busy-wait for DMA to complete |
1305 | */ | | 1308 | */ |
1306 | int | | 1309 | int |
1307 | wdc_dmawait(struct ata_channel *chp, struct ata_xfer *xfer, int timeout) | | 1310 | wdc_dmawait(struct ata_channel *chp, struct ata_xfer *xfer, int timeout) |
1308 | { | | 1311 | { |
1309 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1312 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1310 | int xtime; | | 1313 | int xtime; |
1311 | | | 1314 | |
1312 | for (xtime = 0; xtime < timeout * 1000 / WDCDELAY; xtime++) { | | 1315 | for (xtime = 0; xtime < timeout * 1000 / WDCDELAY; xtime++) { |
1313 | wdc->dma_status = | | 1316 | wdc->dma_status = |
1314 | (*wdc->dma_finish)(wdc->dma_arg, | | 1317 | (*wdc->dma_finish)(wdc->dma_arg, |
1315 | chp->ch_channel, xfer->c_drive, WDC_DMAEND_END); | | 1318 | chp->ch_channel, xfer->c_drive, WDC_DMAEND_END); |
1316 | if ((wdc->dma_status & WDC_DMAST_NOIRQ) == 0) | | 1319 | if ((wdc->dma_status & WDC_DMAST_NOIRQ) == 0) |
1317 | return 0; | | 1320 | return 0; |
1318 | delay(WDCDELAY); | | 1321 | delay(WDCDELAY); |
1319 | } | | 1322 | } |
1320 | /* timeout, force a DMA halt */ | | 1323 | /* timeout, force a DMA halt */ |
1321 | wdc->dma_status = (*wdc->dma_finish)(wdc->dma_arg, | | 1324 | wdc->dma_status = (*wdc->dma_finish)(wdc->dma_arg, |
1322 | chp->ch_channel, xfer->c_drive, WDC_DMAEND_ABRT); | | 1325 | chp->ch_channel, xfer->c_drive, WDC_DMAEND_ABRT); |
1323 | return 1; | | 1326 | return 1; |
1324 | } | | 1327 | } |
1325 | #endif | | 1328 | #endif |
1326 | | | 1329 | |
1327 | void | | 1330 | void |
1328 | wdctimeout(void *arg) | | 1331 | wdctimeout(void *arg) |
1329 | { | | 1332 | { |
1330 | struct ata_channel *chp = (struct ata_channel *)arg; | | 1333 | struct ata_channel *chp = (struct ata_channel *)arg; |
1331 | #if NATA_DMA || NATA_PIOBM | | 1334 | #if NATA_DMA || NATA_PIOBM |
1332 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1335 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1333 | #endif | | 1336 | #endif |
1334 | struct ata_xfer *xfer = chp->ch_queue->active_xfer; | | 1337 | struct ata_xfer *xfer = chp->ch_queue->active_xfer; |
1335 | int s; | | 1338 | int s; |
1336 | | | 1339 | |
1337 | ATADEBUG_PRINT(("wdctimeout\n"), DEBUG_FUNCS); | | 1340 | ATADEBUG_PRINT(("wdctimeout\n"), DEBUG_FUNCS); |
1338 | | | 1341 | |
1339 | s = splbio(); | | 1342 | s = splbio(); |
1340 | if ((chp->ch_flags & ATACH_IRQ_WAIT) != 0) { | | 1343 | if ((chp->ch_flags & ATACH_IRQ_WAIT) != 0) { |
1341 | __wdcerror(chp, "lost interrupt"); | | 1344 | __wdcerror(chp, "lost interrupt"); |
1342 | printf("\ttype: %s tc_bcount: %d tc_skip: %d\n", | | 1345 | printf("\ttype: %s tc_bcount: %d tc_skip: %d\n", |
1343 | (xfer->c_flags & C_ATAPI) ? "atapi" : "ata", | | 1346 | (xfer->c_flags & C_ATAPI) ? "atapi" : "ata", |
1344 | xfer->c_bcount, | | 1347 | xfer->c_bcount, |
1345 | xfer->c_skip); | | 1348 | xfer->c_skip); |
1346 | #if NATA_DMA || NATA_PIOBM | | 1349 | #if NATA_DMA || NATA_PIOBM |
1347 | if (chp->ch_flags & ATACH_DMA_WAIT) { | | 1350 | if (chp->ch_flags & ATACH_DMA_WAIT) { |
1348 | wdc->dma_status = | | 1351 | wdc->dma_status = |
1349 | (*wdc->dma_finish)(wdc->dma_arg, | | 1352 | (*wdc->dma_finish)(wdc->dma_arg, |
1350 | chp->ch_channel, xfer->c_drive, | | 1353 | chp->ch_channel, xfer->c_drive, |
1351 | WDC_DMAEND_ABRT); | | 1354 | WDC_DMAEND_ABRT); |
1352 | chp->ch_flags &= ~ATACH_DMA_WAIT; | | 1355 | chp->ch_flags &= ~ATACH_DMA_WAIT; |
1353 | } | | 1356 | } |
1354 | #endif | | 1357 | #endif |
1355 | /* | | 1358 | /* |
1356 | * Call the interrupt routine. If we just missed an interrupt, | | 1359 | * Call the interrupt routine. If we just missed an interrupt, |
1357 | * it will do what's needed. Else, it will take the needed | | 1360 | * it will do what's needed. Else, it will take the needed |
1358 | * action (reset the device). | | 1361 | * action (reset the device). |
1359 | * Before that we need to reinstall the timeout callback, | | 1362 | * Before that we need to reinstall the timeout callback, |
1360 | * in case it will miss another irq while in this transfer | | 1363 | * in case it will miss another irq while in this transfer |
1361 | * We arbitray chose it to be 1s | | 1364 | * We arbitray chose it to be 1s |
1362 | */ | | 1365 | */ |
1363 | callout_reset(&chp->ch_callout, hz, wdctimeout, chp); | | 1366 | callout_reset(&chp->ch_callout, hz, wdctimeout, chp); |
1364 | xfer->c_flags |= C_TIMEOU; | | 1367 | xfer->c_flags |= C_TIMEOU; |
1365 | chp->ch_flags &= ~ATACH_IRQ_WAIT; | | 1368 | chp->ch_flags &= ~ATACH_IRQ_WAIT; |
1366 | KASSERT(xfer->c_intr != NULL); | | 1369 | KASSERT(xfer->c_intr != NULL); |
1367 | xfer->c_intr(chp, xfer, 1); | | 1370 | xfer->c_intr(chp, xfer, 1); |
1368 | } else | | 1371 | } else |
1369 | __wdcerror(chp, "missing untimeout"); | | 1372 | __wdcerror(chp, "missing untimeout"); |
1370 | splx(s); | | 1373 | splx(s); |
1371 | } | | 1374 | } |
1372 | | | 1375 | |
1373 | int | | 1376 | int |
1374 | wdc_exec_command(struct ata_drive_datas *drvp, struct ata_command *ata_c) | | 1377 | wdc_exec_command(struct ata_drive_datas *drvp, struct ata_command *ata_c) |
1375 | { | | 1378 | { |
1376 | struct ata_channel *chp = drvp->chnl_softc; | | 1379 | struct ata_channel *chp = drvp->chnl_softc; |
1377 | struct ata_xfer *xfer; | | 1380 | struct ata_xfer *xfer; |
1378 | int s, ret; | | 1381 | int s, ret; |
1379 | | | 1382 | |
1380 | ATADEBUG_PRINT(("wdc_exec_command %s:%d:%d\n", | | 1383 | ATADEBUG_PRINT(("wdc_exec_command %s:%d:%d\n", |
1381 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, | | 1384 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, |
1382 | drvp->drive), DEBUG_FUNCS); | | 1385 | drvp->drive), DEBUG_FUNCS); |
1383 | | | 1386 | |
1384 | /* set up an xfer and queue. Wait for completion */ | | 1387 | /* set up an xfer and queue. Wait for completion */ |
1385 | xfer = ata_get_xfer(ata_c->flags & AT_WAIT ? ATAXF_CANSLEEP : | | 1388 | xfer = ata_get_xfer(ata_c->flags & AT_WAIT ? ATAXF_CANSLEEP : |
1386 | ATAXF_NOSLEEP); | | 1389 | ATAXF_NOSLEEP); |
1387 | if (xfer == NULL) { | | 1390 | if (xfer == NULL) { |
1388 | return ATACMD_TRY_AGAIN; | | 1391 | return ATACMD_TRY_AGAIN; |
1389 | } | | 1392 | } |
1390 | | | 1393 | |
1391 | if (chp->ch_atac->atac_cap & ATAC_CAP_NOIRQ) | | 1394 | if (chp->ch_atac->atac_cap & ATAC_CAP_NOIRQ) |
1392 | ata_c->flags |= AT_POLL; | | 1395 | ata_c->flags |= AT_POLL; |
1393 | if (ata_c->flags & AT_POLL) | | 1396 | if (ata_c->flags & AT_POLL) |
1394 | xfer->c_flags |= C_POLL; | | 1397 | xfer->c_flags |= C_POLL; |
1395 | if (ata_c->flags & AT_WAIT) | | 1398 | if (ata_c->flags & AT_WAIT) |
1396 | xfer->c_flags |= C_WAIT; | | 1399 | xfer->c_flags |= C_WAIT; |
1397 | xfer->c_drive = drvp->drive; | | 1400 | xfer->c_drive = drvp->drive; |
1398 | xfer->c_databuf = ata_c->data; | | 1401 | xfer->c_databuf = ata_c->data; |
1399 | xfer->c_bcount = ata_c->bcount; | | 1402 | xfer->c_bcount = ata_c->bcount; |
1400 | xfer->c_cmd = ata_c; | | 1403 | xfer->c_cmd = ata_c; |
1401 | xfer->c_start = __wdccommand_start; | | 1404 | xfer->c_start = __wdccommand_start; |
1402 | xfer->c_intr = __wdccommand_intr; | | 1405 | xfer->c_intr = __wdccommand_intr; |
1403 | xfer->c_kill_xfer = __wdccommand_kill_xfer; | | 1406 | xfer->c_kill_xfer = __wdccommand_kill_xfer; |
1404 | | | 1407 | |
1405 | s = splbio(); | | 1408 | s = splbio(); |
1406 | ata_exec_xfer(chp, xfer); | | 1409 | ata_exec_xfer(chp, xfer); |
1407 | #ifdef DIAGNOSTIC | | 1410 | #ifdef DIAGNOSTIC |
1408 | if ((ata_c->flags & AT_POLL) != 0 && | | 1411 | if ((ata_c->flags & AT_POLL) != 0 && |
1409 | (ata_c->flags & AT_DONE) == 0) | | 1412 | (ata_c->flags & AT_DONE) == 0) |
1410 | panic("wdc_exec_command: polled command not done"); | | 1413 | panic("wdc_exec_command: polled command not done"); |
1411 | #endif | | 1414 | #endif |
1412 | if (ata_c->flags & AT_DONE) { | | 1415 | if (ata_c->flags & AT_DONE) { |
1413 | ret = ATACMD_COMPLETE; | | 1416 | ret = ATACMD_COMPLETE; |
1414 | } else { | | 1417 | } else { |
1415 | if (ata_c->flags & AT_WAIT) { | | 1418 | if (ata_c->flags & AT_WAIT) { |
1416 | while ((ata_c->flags & AT_DONE) == 0) { | | 1419 | while ((ata_c->flags & AT_DONE) == 0) { |
1417 | tsleep(ata_c, PRIBIO, "wdccmd", 0); | | 1420 | tsleep(ata_c, PRIBIO, "wdccmd", 0); |
1418 | } | | 1421 | } |
1419 | ret = ATACMD_COMPLETE; | | 1422 | ret = ATACMD_COMPLETE; |
1420 | } else { | | 1423 | } else { |
1421 | ret = ATACMD_QUEUED; | | 1424 | ret = ATACMD_QUEUED; |
1422 | } | | 1425 | } |
1423 | } | | 1426 | } |
1424 | splx(s); | | 1427 | splx(s); |
1425 | return ret; | | 1428 | return ret; |
1426 | } | | 1429 | } |
1427 | | | 1430 | |
1428 | static void | | 1431 | static void |
1429 | __wdccommand_start(struct ata_channel *chp, struct ata_xfer *xfer) | | 1432 | __wdccommand_start(struct ata_channel *chp, struct ata_xfer *xfer) |
1430 | { | | 1433 | { |
1431 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1434 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1432 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1435 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1433 | int drive = xfer->c_drive; | | 1436 | int drive = xfer->c_drive; |
1434 | int wait_flags = (xfer->c_flags & C_POLL) ? AT_POLL : 0; | | 1437 | int wait_flags = (xfer->c_flags & C_POLL) ? AT_POLL : 0; |
1435 | struct ata_command *ata_c = xfer->c_cmd; | | 1438 | struct ata_command *ata_c = xfer->c_cmd; |
1436 | | | 1439 | |
1437 | ATADEBUG_PRINT(("__wdccommand_start %s:%d:%d\n", | | 1440 | ATADEBUG_PRINT(("__wdccommand_start %s:%d:%d\n", |
1438 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, | | 1441 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, |
1439 | xfer->c_drive), | | 1442 | xfer->c_drive), |
1440 | DEBUG_FUNCS); | | 1443 | DEBUG_FUNCS); |
1441 | | | 1444 | |
1442 | if (wdc->select) | | 1445 | if (wdc->select) |
1443 | wdc->select(chp,drive); | | 1446 | wdc->select(chp,drive); |
1444 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, | | 1447 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, |
1445 | WDSD_IBM | (drive << 4)); | | 1448 | WDSD_IBM | (drive << 4)); |
1446 | switch(wdcwait(chp, ata_c->r_st_bmask | WDCS_DRQ, | | 1449 | switch(wdcwait(chp, ata_c->r_st_bmask | WDCS_DRQ, |
1447 | ata_c->r_st_bmask, ata_c->timeout, wait_flags)) { | | 1450 | ata_c->r_st_bmask, ata_c->timeout, wait_flags)) { |
1448 | case WDCWAIT_OK: | | 1451 | case WDCWAIT_OK: |
1449 | break; | | 1452 | break; |
1450 | case WDCWAIT_TOUT: | | 1453 | case WDCWAIT_TOUT: |
1451 | ata_c->flags |= AT_TIMEOU; | | 1454 | ata_c->flags |= AT_TIMEOU; |
1452 | __wdccommand_done(chp, xfer); | | 1455 | __wdccommand_done(chp, xfer); |
1453 | return; | | 1456 | return; |
1454 | case WDCWAIT_THR: | | 1457 | case WDCWAIT_THR: |
1455 | return; | | 1458 | return; |
1456 | } | | 1459 | } |
1457 | if (ata_c->flags & AT_POLL) { | | 1460 | if (ata_c->flags & AT_POLL) { |
1458 | /* polled command, disable interrupts */ | | 1461 | /* polled command, disable interrupts */ |
1459 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, | | 1462 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, |
1460 | WDCTL_4BIT | WDCTL_IDS); | | 1463 | WDCTL_4BIT | WDCTL_IDS); |
1461 | } | | 1464 | } |
1462 | wdccommand(chp, drive, ata_c->r_command, ata_c->r_cyl, ata_c->r_head, | | 1465 | wdccommand(chp, drive, ata_c->r_command, ata_c->r_cyl, ata_c->r_head, |
1463 | ata_c->r_sector, ata_c->r_count, ata_c->r_features); | | 1466 | ata_c->r_sector, ata_c->r_count, ata_c->r_features); |
1464 | | | 1467 | |
1465 | if ((ata_c->flags & AT_POLL) == 0) { | | 1468 | if ((ata_c->flags & AT_POLL) == 0) { |
1466 | chp->ch_flags |= ATACH_IRQ_WAIT; /* wait for interrupt */ | | 1469 | chp->ch_flags |= ATACH_IRQ_WAIT; /* wait for interrupt */ |
1467 | callout_reset(&chp->ch_callout, ata_c->timeout / 1000 * hz, | | 1470 | callout_reset(&chp->ch_callout, ata_c->timeout / 1000 * hz, |
1468 | wdctimeout, chp); | | 1471 | wdctimeout, chp); |
1469 | return; | | 1472 | return; |
1470 | } | | 1473 | } |
1471 | /* | | 1474 | /* |
1472 | * Polled command. Wait for drive ready or drq. Done in intr(). | | 1475 | * Polled command. Wait for drive ready or drq. Done in intr(). |
1473 | * Wait for at last 400ns for status bit to be valid. | | 1476 | * Wait for at last 400ns for status bit to be valid. |
1474 | */ | | 1477 | */ |
1475 | delay(10); /* 400ns delay */ | | 1478 | delay(10); /* 400ns delay */ |
1476 | __wdccommand_intr(chp, xfer, 0); | | 1479 | __wdccommand_intr(chp, xfer, 0); |
1477 | } | | 1480 | } |
1478 | | | 1481 | |
1479 | static int | | 1482 | static int |
1480 | __wdccommand_intr(struct ata_channel *chp, struct ata_xfer *xfer, int irq) | | 1483 | __wdccommand_intr(struct ata_channel *chp, struct ata_xfer *xfer, int irq) |
1481 | { | | 1484 | { |
1482 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1485 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1483 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1486 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1484 | struct ata_command *ata_c = xfer->c_cmd; | | 1487 | struct ata_command *ata_c = xfer->c_cmd; |
1485 | int bcount = ata_c->bcount; | | 1488 | int bcount = ata_c->bcount; |
1486 | char *data = ata_c->data; | | 1489 | char *data = ata_c->data; |
1487 | int wflags; | | 1490 | int wflags; |
1488 | int drive_flags; | | 1491 | int drive_flags; |
1489 | | | 1492 | |
1490 | if (ata_c->r_command == WDCC_IDENTIFY || | | 1493 | if (ata_c->r_command == WDCC_IDENTIFY || |
1491 | ata_c->r_command == ATAPI_IDENTIFY_DEVICE) { | | 1494 | ata_c->r_command == ATAPI_IDENTIFY_DEVICE) { |
1492 | /* | | 1495 | /* |
1493 | * The IDENTIFY data has been designed as an array of | | 1496 | * The IDENTIFY data has been designed as an array of |
1494 | * u_int16_t, so we can byteswap it on the fly. | | 1497 | * u_int16_t, so we can byteswap it on the fly. |
1495 | * Historically it's what we have always done so keeping it | | 1498 | * Historically it's what we have always done so keeping it |
1496 | * here ensure binary backward compatibility. | | 1499 | * here ensure binary backward compatibility. |
1497 | */ | | 1500 | */ |
1498 | drive_flags = DRIVE_NOSTREAM | | | 1501 | drive_flags = DRIVE_NOSTREAM | |
1499 | chp->ch_drive[xfer->c_drive].drive_flags; | | 1502 | chp->ch_drive[xfer->c_drive].drive_flags; |
1500 | } else { | | 1503 | } else { |
1501 | /* | | 1504 | /* |
1502 | * Other data structure are opaque and should be transfered | | 1505 | * Other data structure are opaque and should be transfered |
1503 | * as is. | | 1506 | * as is. |
1504 | */ | | 1507 | */ |
1505 | drive_flags = chp->ch_drive[xfer->c_drive].drive_flags; | | 1508 | drive_flags = chp->ch_drive[xfer->c_drive].drive_flags; |
1506 | } | | 1509 | } |
1507 | | | 1510 | |
1508 | #ifdef WDC_NO_IDS | | 1511 | #ifndef WDC_NO_IDS |
1509 | wflags = AT_POLL; | | | |
1510 | #else | | | |
1511 | if ((ata_c->flags & (AT_WAIT | AT_POLL)) == (AT_WAIT | AT_POLL)) { | | 1512 | if ((ata_c->flags & (AT_WAIT | AT_POLL)) == (AT_WAIT | AT_POLL)) { |
1512 | /* both wait and poll, we can tsleep here */ | | 1513 | /* both wait and poll, we can tsleep here */ |
1513 | wflags = AT_WAIT | AT_POLL; | | 1514 | wflags = AT_WAIT | AT_POLL; |
1514 | } else { | | 1515 | } else |
1515 | wflags = AT_POLL; | | | |
1516 | } | | | |
1517 | #endif | | 1516 | #endif |
| | | 1517 | wflags = AT_POLL; |
1518 | | | 1518 | |
1519 | again: | | 1519 | again: |
1520 | ATADEBUG_PRINT(("__wdccommand_intr %s:%d:%d\n", | | 1520 | ATADEBUG_PRINT(("__wdccommand_intr %s:%d:%d\n", |
1521 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, | | 1521 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, |
1522 | xfer->c_drive), DEBUG_INTR); | | 1522 | xfer->c_drive), DEBUG_INTR); |
1523 | /* | | 1523 | /* |
1524 | * after a ATAPI_SOFT_RESET, the device will have released the bus. | | 1524 | * after a ATAPI_SOFT_RESET, the device will have released the bus. |
1525 | * Reselect again, it doesn't hurt for others commands, and the time | | 1525 | * Reselect again, it doesn't hurt for others commands, and the time |
1526 | * penalty for the extra regiter write is acceptable, | | 1526 | * penalty for the extra regiter write is acceptable, |
1527 | * wdc_exec_command() isn't called often (mosly for autoconfig) | | 1527 | * wdc_exec_command() isn't called often (mosly for autoconfig) |
1528 | */ | | 1528 | */ |
1529 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, | | 1529 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, |
1530 | WDSD_IBM | (xfer->c_drive << 4)); | | 1530 | WDSD_IBM | (xfer->c_drive << 4)); |
1531 | if ((ata_c->flags & AT_XFDONE) != 0) { | | 1531 | if ((ata_c->flags & AT_XFDONE) != 0) { |
1532 | /* | | 1532 | /* |
1533 | * We have completed a data xfer. The drive should now be | | 1533 | * We have completed a data xfer. The drive should now be |
1534 | * in its initial state | | 1534 | * in its initial state |
1535 | */ | | 1535 | */ |
1536 | if (wdcwait(chp, ata_c->r_st_bmask | WDCS_DRQ, | | 1536 | if (wdcwait(chp, ata_c->r_st_bmask | WDCS_DRQ, |
1537 | ata_c->r_st_bmask, (irq == 0) ? ata_c->timeout : 0, | | 1537 | ata_c->r_st_bmask, (irq == 0) ? ata_c->timeout : 0, |
1538 | wflags) == WDCWAIT_TOUT) { | | 1538 | wflags) == WDCWAIT_TOUT) { |
1539 | if (irq && (xfer->c_flags & C_TIMEOU) == 0) | | 1539 | if (irq && (xfer->c_flags & C_TIMEOU) == 0) |
1540 | return 0; /* IRQ was not for us */ | | 1540 | return 0; /* IRQ was not for us */ |
1541 | ata_c->flags |= AT_TIMEOU; | | 1541 | ata_c->flags |= AT_TIMEOU; |
1542 | } | | 1542 | } |
1543 | goto out; | | 1543 | goto out; |
1544 | } | | 1544 | } |
1545 | if (wdcwait(chp, ata_c->r_st_pmask, ata_c->r_st_pmask, | | 1545 | if (wdcwait(chp, ata_c->r_st_pmask, ata_c->r_st_pmask, |
1546 | (irq == 0) ? ata_c->timeout : 0, wflags) == WDCWAIT_TOUT) { | | 1546 | (irq == 0) ? ata_c->timeout : 0, wflags) == WDCWAIT_TOUT) { |
1547 | if (irq && (xfer->c_flags & C_TIMEOU) == 0) | | 1547 | if (irq && (xfer->c_flags & C_TIMEOU) == 0) |
1548 | return 0; /* IRQ was not for us */ | | 1548 | return 0; /* IRQ was not for us */ |
1549 | ata_c->flags |= AT_TIMEOU; | | 1549 | ata_c->flags |= AT_TIMEOU; |
1550 | goto out; | | 1550 | goto out; |
1551 | } | | 1551 | } |
1552 | if (wdc->irqack) | | 1552 | if (wdc->irqack) |
1553 | wdc->irqack(chp); | | 1553 | wdc->irqack(chp); |
1554 | if (ata_c->flags & AT_READ) { | | 1554 | if (ata_c->flags & AT_READ) { |
1555 | if ((chp->ch_status & WDCS_DRQ) == 0) { | | 1555 | if ((chp->ch_status & WDCS_DRQ) == 0) { |
1556 | ata_c->flags |= AT_TIMEOU; | | 1556 | ata_c->flags |= AT_TIMEOU; |
1557 | goto out; | | 1557 | goto out; |
1558 | } | | 1558 | } |
1559 | wdc->datain_pio(chp, drive_flags, data, bcount); | | 1559 | wdc->datain_pio(chp, drive_flags, data, bcount); |
1560 | /* at this point the drive should be in its initial state */ | | 1560 | /* at this point the drive should be in its initial state */ |
1561 | ata_c->flags |= AT_XFDONE; | | 1561 | ata_c->flags |= AT_XFDONE; |
1562 | /* | | 1562 | /* |
1563 | * XXX checking the status register again here cause some | | 1563 | * XXX checking the status register again here cause some |
1564 | * hardware to timeout. | | 1564 | * hardware to timeout. |
1565 | */ | | 1565 | */ |
1566 | } else if (ata_c->flags & AT_WRITE) { | | 1566 | } else if (ata_c->flags & AT_WRITE) { |
1567 | if ((chp->ch_status & WDCS_DRQ) == 0) { | | 1567 | if ((chp->ch_status & WDCS_DRQ) == 0) { |
1568 | ata_c->flags |= AT_TIMEOU; | | 1568 | ata_c->flags |= AT_TIMEOU; |
1569 | goto out; | | 1569 | goto out; |
1570 | } | | 1570 | } |
1571 | wdc->dataout_pio(chp, drive_flags, data, bcount); | | 1571 | wdc->dataout_pio(chp, drive_flags, data, bcount); |
1572 | ata_c->flags |= AT_XFDONE; | | 1572 | ata_c->flags |= AT_XFDONE; |
1573 | if ((ata_c->flags & AT_POLL) == 0) { | | 1573 | if ((ata_c->flags & AT_POLL) == 0) { |
1574 | chp->ch_flags |= ATACH_IRQ_WAIT; /* wait for interrupt */ | | 1574 | chp->ch_flags |= ATACH_IRQ_WAIT; /* wait for interrupt */ |
1575 | callout_reset(&chp->ch_callout, | | 1575 | callout_reset(&chp->ch_callout, |
1576 | mstohz(ata_c->timeout), wdctimeout, chp); | | 1576 | mstohz(ata_c->timeout), wdctimeout, chp); |
1577 | return 1; | | 1577 | return 1; |
1578 | } else { | | 1578 | } else { |
1579 | goto again; | | 1579 | goto again; |
1580 | } | | 1580 | } |
1581 | } | | 1581 | } |
1582 | out: | | 1582 | out: |
1583 | __wdccommand_done(chp, xfer); | | 1583 | __wdccommand_done(chp, xfer); |
1584 | return 1; | | 1584 | return 1; |
1585 | } | | 1585 | } |
1586 | | | 1586 | |
1587 | static void | | 1587 | static void |
1588 | __wdccommand_done(struct ata_channel *chp, struct ata_xfer *xfer) | | 1588 | __wdccommand_done(struct ata_channel *chp, struct ata_xfer *xfer) |
1589 | { | | 1589 | { |
1590 | struct atac_softc *atac = chp->ch_atac; | | 1590 | struct atac_softc *atac = chp->ch_atac; |
1591 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1591 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1592 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1592 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1593 | struct ata_command *ata_c = xfer->c_cmd; | | 1593 | struct ata_command *ata_c = xfer->c_cmd; |
1594 | | | 1594 | |
1595 | ATADEBUG_PRINT(("__wdccommand_done %s:%d:%d flags 0x%x\n", | | 1595 | ATADEBUG_PRINT(("__wdccommand_done %s:%d:%d flags 0x%x\n", |
1596 | device_xname(atac->atac_dev), chp->ch_channel, xfer->c_drive, | | 1596 | device_xname(atac->atac_dev), chp->ch_channel, xfer->c_drive, |
1597 | ata_c->flags), DEBUG_FUNCS); | | 1597 | ata_c->flags), DEBUG_FUNCS); |
1598 | | | 1598 | |
1599 | | | 1599 | |
1600 | if (chp->ch_status & WDCS_DWF) | | 1600 | if (chp->ch_status & WDCS_DWF) |
1601 | ata_c->flags |= AT_DF; | | 1601 | ata_c->flags |= AT_DF; |
1602 | if (chp->ch_status & WDCS_ERR) { | | 1602 | if (chp->ch_status & WDCS_ERR) { |
1603 | ata_c->flags |= AT_ERROR; | | 1603 | ata_c->flags |= AT_ERROR; |
1604 | ata_c->r_error = chp->ch_error; | | 1604 | ata_c->r_error = chp->ch_error; |
1605 | } | | 1605 | } |
1606 | if ((ata_c->flags & AT_READREG) != 0 && | | 1606 | if ((ata_c->flags & AT_READREG) != 0 && |
1607 | device_is_active(atac->atac_dev) && | | 1607 | device_is_active(atac->atac_dev) && |
1608 | (ata_c->flags & (AT_ERROR | AT_DF)) == 0) { | | 1608 | (ata_c->flags & (AT_ERROR | AT_DF)) == 0) { |
1609 | ata_c->r_head = bus_space_read_1(wdr->cmd_iot, | | 1609 | ata_c->r_head = bus_space_read_1(wdr->cmd_iot, |
1610 | wdr->cmd_iohs[wd_sdh], 0); | | 1610 | wdr->cmd_iohs[wd_sdh], 0); |
1611 | ata_c->r_count = bus_space_read_1(wdr->cmd_iot, | | 1611 | ata_c->r_count = bus_space_read_1(wdr->cmd_iot, |
1612 | wdr->cmd_iohs[wd_seccnt], 0); | | 1612 | wdr->cmd_iohs[wd_seccnt], 0); |
1613 | ata_c->r_sector = bus_space_read_1(wdr->cmd_iot, | | 1613 | ata_c->r_sector = bus_space_read_1(wdr->cmd_iot, |
1614 | wdr->cmd_iohs[wd_sector], 0); | | 1614 | wdr->cmd_iohs[wd_sector], 0); |
1615 | ata_c->r_cyl = bus_space_read_1(wdr->cmd_iot, | | 1615 | ata_c->r_cyl = bus_space_read_1(wdr->cmd_iot, |
1616 | wdr->cmd_iohs[wd_cyl_hi], 0) << 8; | | 1616 | wdr->cmd_iohs[wd_cyl_hi], 0) << 8; |
1617 | ata_c->r_cyl |= bus_space_read_1(wdr->cmd_iot, | | 1617 | ata_c->r_cyl |= bus_space_read_1(wdr->cmd_iot, |
1618 | wdr->cmd_iohs[wd_cyl_lo], 0); | | 1618 | wdr->cmd_iohs[wd_cyl_lo], 0); |
1619 | ata_c->r_error = bus_space_read_1(wdr->cmd_iot, | | 1619 | ata_c->r_error = bus_space_read_1(wdr->cmd_iot, |
1620 | wdr->cmd_iohs[wd_error], 0); | | 1620 | wdr->cmd_iohs[wd_error], 0); |
1621 | ata_c->r_features = bus_space_read_1(wdr->cmd_iot, | | 1621 | ata_c->r_features = bus_space_read_1(wdr->cmd_iot, |
1622 | wdr->cmd_iohs[wd_features], 0); | | 1622 | wdr->cmd_iohs[wd_features], 0); |
1623 | } | | 1623 | } |
1624 | callout_stop(&chp->ch_callout); | | 1624 | callout_stop(&chp->ch_callout); |
1625 | chp->ch_queue->active_xfer = NULL; | | 1625 | chp->ch_queue->active_xfer = NULL; |
1626 | if (ata_c->flags & AT_POLL) { | | 1626 | if (ata_c->flags & AT_POLL) { |
1627 | /* enable interrupts */ | | 1627 | /* enable interrupts */ |
1628 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, | | 1628 | bus_space_write_1(wdr->ctl_iot, wdr->ctl_ioh, wd_aux_ctlr, |
1629 | WDCTL_4BIT); | | 1629 | WDCTL_4BIT); |
1630 | delay(10); /* some drives need a little delay here */ | | 1630 | delay(10); /* some drives need a little delay here */ |
1631 | } | | 1631 | } |
1632 | if (chp->ch_drive[xfer->c_drive].drive_flags & DRIVE_WAITDRAIN) { | | 1632 | if (chp->ch_drive[xfer->c_drive].drive_flags & DRIVE_WAITDRAIN) { |
1633 | __wdccommand_kill_xfer(chp, xfer, KILL_GONE); | | 1633 | __wdccommand_kill_xfer(chp, xfer, KILL_GONE); |
1634 | chp->ch_drive[xfer->c_drive].drive_flags &= ~DRIVE_WAITDRAIN; | | 1634 | chp->ch_drive[xfer->c_drive].drive_flags &= ~DRIVE_WAITDRAIN; |
1635 | wakeup(&chp->ch_queue->active_xfer); | | 1635 | wakeup(&chp->ch_queue->active_xfer); |
1636 | } else | | 1636 | } else |
1637 | __wdccommand_done_end(chp, xfer); | | 1637 | __wdccommand_done_end(chp, xfer); |
1638 | } | | 1638 | } |
1639 | | | 1639 | |
1640 | static void | | 1640 | static void |
1641 | __wdccommand_done_end(struct ata_channel *chp, struct ata_xfer *xfer) | | 1641 | __wdccommand_done_end(struct ata_channel *chp, struct ata_xfer *xfer) |
1642 | { | | 1642 | { |
1643 | struct ata_command *ata_c = xfer->c_cmd; | | 1643 | struct ata_command *ata_c = xfer->c_cmd; |
1644 | | | 1644 | |
1645 | ata_c->flags |= AT_DONE; | | 1645 | ata_c->flags |= AT_DONE; |
1646 | ata_free_xfer(chp, xfer); | | 1646 | ata_free_xfer(chp, xfer); |
1647 | if (ata_c->flags & AT_WAIT) | | 1647 | if (ata_c->flags & AT_WAIT) |
1648 | wakeup(ata_c); | | 1648 | wakeup(ata_c); |
1649 | else if (ata_c->callback) | | 1649 | else if (ata_c->callback) |
1650 | ata_c->callback(ata_c->callback_arg); | | 1650 | ata_c->callback(ata_c->callback_arg); |
1651 | atastart(chp); | | 1651 | atastart(chp); |
1652 | return; | | 1652 | return; |
1653 | } | | 1653 | } |
1654 | | | 1654 | |
1655 | static void | | 1655 | static void |
1656 | __wdccommand_kill_xfer(struct ata_channel *chp, struct ata_xfer *xfer, | | 1656 | __wdccommand_kill_xfer(struct ata_channel *chp, struct ata_xfer *xfer, |
1657 | int reason) | | 1657 | int reason) |
1658 | { | | 1658 | { |
1659 | struct ata_command *ata_c = xfer->c_cmd; | | 1659 | struct ata_command *ata_c = xfer->c_cmd; |
1660 | | | 1660 | |
1661 | switch (reason) { | | 1661 | switch (reason) { |
1662 | case KILL_GONE: | | 1662 | case KILL_GONE: |
1663 | ata_c->flags |= AT_GONE; | | 1663 | ata_c->flags |= AT_GONE; |
1664 | break; | | 1664 | break; |
1665 | case KILL_RESET: | | 1665 | case KILL_RESET: |
1666 | ata_c->flags |= AT_RESET; | | 1666 | ata_c->flags |= AT_RESET; |
1667 | break; | | 1667 | break; |
1668 | default: | | 1668 | default: |
1669 | printf("__wdccommand_kill_xfer: unknown reason %d\n", | | 1669 | printf("__wdccommand_kill_xfer: unknown reason %d\n", |
1670 | reason); | | 1670 | reason); |
1671 | panic("__wdccommand_kill_xfer"); | | 1671 | panic("__wdccommand_kill_xfer"); |
1672 | } | | 1672 | } |
1673 | __wdccommand_done_end(chp, xfer); | | 1673 | __wdccommand_done_end(chp, xfer); |
1674 | } | | 1674 | } |
1675 | | | 1675 | |
1676 | /* | | 1676 | /* |
1677 | * Send a command. The drive should be ready. | | 1677 | * Send a command. The drive should be ready. |
1678 | * Assumes interrupts are blocked. | | 1678 | * Assumes interrupts are blocked. |
1679 | */ | | 1679 | */ |
1680 | void | | 1680 | void |
1681 | wdccommand(struct ata_channel *chp, u_int8_t drive, u_int8_t command, | | 1681 | wdccommand(struct ata_channel *chp, u_int8_t drive, u_int8_t command, |
1682 | u_int16_t cylin, u_int8_t head, u_int8_t sector, u_int8_t count, | | 1682 | u_int16_t cylin, u_int8_t head, u_int8_t sector, u_int8_t count, |
1683 | u_int8_t features) | | 1683 | u_int8_t features) |
1684 | { | | 1684 | { |
1685 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1685 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1686 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1686 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1687 | | | 1687 | |
1688 | ATADEBUG_PRINT(("wdccommand %s:%d:%d: command=0x%x cylin=%d head=%d " | | 1688 | ATADEBUG_PRINT(("wdccommand %s:%d:%d: command=0x%x cylin=%d head=%d " |
1689 | "sector=%d count=%d features=%d\n", | | 1689 | "sector=%d count=%d features=%d\n", |
1690 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, drive, | | 1690 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, drive, |
1691 | command, cylin, head, sector, count, features), DEBUG_FUNCS); | | 1691 | command, cylin, head, sector, count, features), DEBUG_FUNCS); |
1692 | | | 1692 | |
1693 | if (wdc->select) | | 1693 | if (wdc->select) |
1694 | wdc->select(chp,drive); | | 1694 | wdc->select(chp,drive); |
1695 | | | 1695 | |
1696 | /* Select drive, head, and addressing mode. */ | | 1696 | /* Select drive, head, and addressing mode. */ |
1697 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, | | 1697 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, |
1698 | WDSD_IBM | (drive << 4) | head); | | 1698 | WDSD_IBM | (drive << 4) | head); |
1699 | /* Load parameters into the wd_features register. */ | | 1699 | /* Load parameters into the wd_features register. */ |
1700 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_features], 0, | | 1700 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_features], 0, |
1701 | features); | | 1701 | features); |
1702 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], 0, count); | | 1702 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], 0, count); |
1703 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sector], 0, sector); | | 1703 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sector], 0, sector); |
1704 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_cyl_lo], 0, cylin); | | 1704 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_cyl_lo], 0, cylin); |
1705 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_cyl_hi], | | 1705 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_cyl_hi], |
1706 | 0, cylin >> 8); | | 1706 | 0, cylin >> 8); |
1707 | | | 1707 | |
1708 | /* Send command. */ | | 1708 | /* Send command. */ |
1709 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, command); | | 1709 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, command); |
1710 | return; | | 1710 | return; |
1711 | } | | 1711 | } |
1712 | | | 1712 | |
1713 | /* | | 1713 | /* |
1714 | * Send a 48-bit addressing command. The drive should be ready. | | 1714 | * Send a 48-bit addressing command. The drive should be ready. |
1715 | * Assumes interrupts are blocked. | | 1715 | * Assumes interrupts are blocked. |
1716 | */ | | 1716 | */ |
1717 | void | | 1717 | void |
1718 | wdccommandext(struct ata_channel *chp, u_int8_t drive, u_int8_t command, | | 1718 | wdccommandext(struct ata_channel *chp, u_int8_t drive, u_int8_t command, |
1719 | u_int64_t blkno, u_int16_t count) | | 1719 | u_int64_t blkno, u_int16_t count) |
1720 | { | | 1720 | { |
1721 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1721 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1722 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1722 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1723 | | | 1723 | |
1724 | ATADEBUG_PRINT(("wdccommandext %s:%d:%d: command=0x%x blkno=%d " | | 1724 | ATADEBUG_PRINT(("wdccommandext %s:%d:%d: command=0x%x blkno=%d " |
1725 | "count=%d\n", device_xname(chp->ch_atac->atac_dev), | | 1725 | "count=%d\n", device_xname(chp->ch_atac->atac_dev), |
1726 | chp->ch_channel, drive, command, (u_int32_t) blkno, count), | | 1726 | chp->ch_channel, drive, command, (u_int32_t) blkno, count), |
1727 | DEBUG_FUNCS); | | 1727 | DEBUG_FUNCS); |
1728 | | | 1728 | |
1729 | if (wdc->select) | | 1729 | if (wdc->select) |
1730 | wdc->select(chp,drive); | | 1730 | wdc->select(chp,drive); |
1731 | | | 1731 | |
1732 | /* Select drive, head, and addressing mode. */ | | 1732 | /* Select drive, head, and addressing mode. */ |
1733 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, | | 1733 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, |
1734 | (drive << 4) | WDSD_LBA); | | 1734 | (drive << 4) | WDSD_LBA); |
1735 | | | 1735 | |
1736 | if (wdc->cap & WDC_CAPABILITY_WIDEREGS) { | | 1736 | if (wdc->cap & WDC_CAPABILITY_WIDEREGS) { |
1737 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_features], 0, | | 1737 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_features], 0, |
1738 | 0); | | 1738 | 0); |
1739 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], | | 1739 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], |
1740 | 0, count); | | 1740 | 0, count); |
1741 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_lo], | | 1741 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_lo], |
1742 | 0, (((blkno >> 16) & 0xff00) | (blkno & 0x00ff))); | | 1742 | 0, (((blkno >> 16) & 0xff00) | (blkno & 0x00ff))); |
1743 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_mi], | | 1743 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_mi], |
1744 | 0, (((blkno >> 24) & 0xff00) | ((blkno >> 8) & 0x00ff))); | | 1744 | 0, (((blkno >> 24) & 0xff00) | ((blkno >> 8) & 0x00ff))); |
1745 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_hi], | | 1745 | bus_space_write_2(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_hi], |
1746 | 0, (((blkno >> 32) & 0xff00) | ((blkno >> 16) & 0x00ff))); | | 1746 | 0, (((blkno >> 32) & 0xff00) | ((blkno >> 16) & 0x00ff))); |
1747 | } else { | | 1747 | } else { |
1748 | /* previous */ | | 1748 | /* previous */ |
1749 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_features], 0, | | 1749 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_features], 0, |
1750 | 0); | | 1750 | 0); |
1751 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], | | 1751 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], |
1752 | 0, count >> 8); | | 1752 | 0, count >> 8); |
1753 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_lo], | | 1753 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_lo], |
1754 | 0, blkno >> 24); | | 1754 | 0, blkno >> 24); |
1755 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_mi], | | 1755 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_mi], |
1756 | 0, blkno >> 32); | | 1756 | 0, blkno >> 32); |
1757 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_hi], | | 1757 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_hi], |
1758 | 0, blkno >> 40); | | 1758 | 0, blkno >> 40); |
1759 | | | 1759 | |
1760 | /* current */ | | 1760 | /* current */ |
1761 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_features], 0, | | 1761 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_features], 0, |
1762 | 0); | | 1762 | 0); |
1763 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], 0, | | 1763 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], 0, |
1764 | count); | | 1764 | count); |
1765 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_lo], 0, | | 1765 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_lo], 0, |
1766 | blkno); | | 1766 | blkno); |
1767 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_mi], | | 1767 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_mi], |
1768 | 0, blkno >> 8); | | 1768 | 0, blkno >> 8); |
1769 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_hi], | | 1769 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_lba_hi], |
1770 | 0, blkno >> 16); | | 1770 | 0, blkno >> 16); |
1771 | } | | 1771 | } |
1772 | | | 1772 | |
1773 | /* Send command. */ | | 1773 | /* Send command. */ |
1774 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, command); | | 1774 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, command); |
1775 | return; | | 1775 | return; |
1776 | } | | 1776 | } |
1777 | | | 1777 | |
1778 | /* | | 1778 | /* |
1779 | * Simplified version of wdccommand(). Unbusy/ready/drq must be | | 1779 | * Simplified version of wdccommand(). Unbusy/ready/drq must be |
1780 | * tested by the caller. | | 1780 | * tested by the caller. |
1781 | */ | | 1781 | */ |
1782 | void | | 1782 | void |
1783 | wdccommandshort(struct ata_channel *chp, int drive, int command) | | 1783 | wdccommandshort(struct ata_channel *chp, int drive, int command) |
1784 | { | | 1784 | { |
1785 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); | | 1785 | struct wdc_softc *wdc = CHAN_TO_WDC(chp); |
1786 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; | | 1786 | struct wdc_regs *wdr = &wdc->regs[chp->ch_channel]; |
1787 | | | 1787 | |
1788 | ATADEBUG_PRINT(("wdccommandshort %s:%d:%d command 0x%x\n", | | 1788 | ATADEBUG_PRINT(("wdccommandshort %s:%d:%d command 0x%x\n", |
1789 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, drive, | | 1789 | device_xname(chp->ch_atac->atac_dev), chp->ch_channel, drive, |
1790 | command), DEBUG_FUNCS); | | 1790 | command), DEBUG_FUNCS); |
1791 | | | 1791 | |
1792 | if (wdc->select) | | 1792 | if (wdc->select) |
1793 | wdc->select(chp,drive); | | 1793 | wdc->select(chp,drive); |
1794 | | | 1794 | |
1795 | /* Select drive. */ | | 1795 | /* Select drive. */ |
1796 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, | | 1796 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, |
1797 | WDSD_IBM | (drive << 4)); | | 1797 | WDSD_IBM | (drive << 4)); |
1798 | | | 1798 | |
1799 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, command); | | 1799 | bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_command], 0, command); |
1800 | } | | 1800 | } |
1801 | | | 1801 | |
1802 | static void | | 1802 | static void |
1803 | __wdcerror(struct ata_channel *chp, const char *msg) | | 1803 | __wdcerror(struct ata_channel *chp, const char *msg) |
1804 | { | | 1804 | { |
1805 | struct atac_softc *atac = chp->ch_atac; | | 1805 | struct atac_softc *atac = chp->ch_atac; |
1806 | struct ata_xfer *xfer = chp->ch_queue->active_xfer; | | 1806 | struct ata_xfer *xfer = chp->ch_queue->active_xfer; |
1807 | | | 1807 | |
1808 | if (xfer == NULL) | | 1808 | if (xfer == NULL) |
1809 | aprint_error("%s:%d: %s\n", device_xname(atac->atac_dev), | | 1809 | aprint_error("%s:%d: %s\n", device_xname(atac->atac_dev), |
1810 | chp->ch_channel, msg); | | 1810 | chp->ch_channel, msg); |
1811 | else | | 1811 | else |
1812 | aprint_error("%s:%d:%d: %s\n", device_xname(atac->atac_dev), | | 1812 | aprint_error("%s:%d:%d: %s\n", device_xname(atac->atac_dev), |
1813 | chp->ch_channel, xfer->c_drive, msg); | | 1813 | chp->ch_channel, xfer->c_drive, msg); |
1814 | } | | 1814 | } |
1815 | | | 1815 | |
1816 | /* | | 1816 | /* |
1817 | * the bit bucket | | 1817 | * the bit bucket |
1818 | */ | | 1818 | */ |
1819 | void | | 1819 | void |
1820 | wdcbit_bucket(struct ata_channel *chp, int size) | | 1820 | wdcbit_bucket(struct ata_channel *chp, int size) |
1821 | { | | 1821 | { |
1822 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); | | 1822 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); |
1823 | | | 1823 | |
1824 | for (; size >= 2; size -= 2) | | 1824 | for (; size >= 2; size -= 2) |
1825 | (void)bus_space_read_2(wdr->cmd_iot, wdr->cmd_iohs[wd_data], 0); | | 1825 | (void)bus_space_read_2(wdr->cmd_iot, wdr->cmd_iohs[wd_data], 0); |
1826 | if (size) | | 1826 | if (size) |
1827 | (void)bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_data], 0); | | 1827 | (void)bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_data], 0); |
1828 | } | | 1828 | } |
1829 | | | 1829 | |
1830 | static void | | 1830 | static void |
1831 | wdc_datain_pio(struct ata_channel *chp, int flags, void *bf, size_t len) | | 1831 | wdc_datain_pio(struct ata_channel *chp, int flags, void *bf, size_t len) |
1832 | { | | 1832 | { |
1833 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); | | 1833 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); |
1834 | | | 1834 | |
1835 | #ifndef __NO_STRICT_ALIGNMENT | | 1835 | #ifndef __NO_STRICT_ALIGNMENT |
1836 | if ((uintptr_t)bf & 1) | | 1836 | if ((uintptr_t)bf & 1) |
1837 | goto unaligned; | | 1837 | goto unaligned; |
1838 | if ((flags & DRIVE_CAP32) && ((uintptr_t)bf & 3)) | | 1838 | if ((flags & DRIVE_CAP32) && ((uintptr_t)bf & 3)) |
1839 | goto unaligned; | | 1839 | goto unaligned; |
1840 | #endif | | 1840 | #endif |
1841 | | | 1841 | |
1842 | if (flags & DRIVE_NOSTREAM) { | | 1842 | if (flags & DRIVE_NOSTREAM) { |
1843 | if (flags & DRIVE_CAP32) { | | 1843 | if (flags & DRIVE_CAP32) { |
1844 | bus_space_read_multi_4(wdr->data32iot, | | 1844 | bus_space_read_multi_4(wdr->data32iot, |
1845 | wdr->data32ioh, 0, bf, len >> 2); | | 1845 | wdr->data32ioh, 0, bf, len >> 2); |
1846 | bf = (char *)bf + (len & ~3); | | 1846 | bf = (char *)bf + (len & ~3); |
1847 | len &= 3; | | 1847 | len &= 3; |
1848 | } | | 1848 | } |
1849 | if (len) { | | 1849 | if (len) { |
1850 | bus_space_read_multi_2(wdr->cmd_iot, | | 1850 | bus_space_read_multi_2(wdr->cmd_iot, |
1851 | wdr->cmd_iohs[wd_data], 0, bf, len >> 1); | | 1851 | wdr->cmd_iohs[wd_data], 0, bf, len >> 1); |
1852 | } | | 1852 | } |
1853 | } else { | | 1853 | } else { |
1854 | if (flags & DRIVE_CAP32) { | | 1854 | if (flags & DRIVE_CAP32) { |
1855 | bus_space_read_multi_stream_4(wdr->data32iot, | | 1855 | bus_space_read_multi_stream_4(wdr->data32iot, |
1856 | wdr->data32ioh, 0, bf, len >> 2); | | 1856 | wdr->data32ioh, 0, bf, len >> 2); |
1857 | bf = (char *)bf + (len & ~3); | | 1857 | bf = (char *)bf + (len & ~3); |
1858 | len &= 3; | | 1858 | len &= 3; |
1859 | } | | 1859 | } |
1860 | if (len) { | | 1860 | if (len) { |
1861 | bus_space_read_multi_stream_2(wdr->cmd_iot, | | 1861 | bus_space_read_multi_stream_2(wdr->cmd_iot, |
1862 | wdr->cmd_iohs[wd_data], 0, bf, len >> 1); | | 1862 | wdr->cmd_iohs[wd_data], 0, bf, len >> 1); |
1863 | } | | 1863 | } |
1864 | } | | 1864 | } |
1865 | return; | | 1865 | return; |
1866 | | | 1866 | |
1867 | #ifndef __NO_STRICT_ALIGNMENT | | 1867 | #ifndef __NO_STRICT_ALIGNMENT |
1868 | unaligned: | | 1868 | unaligned: |
1869 | if (flags & DRIVE_NOSTREAM) { | | 1869 | if (flags & DRIVE_NOSTREAM) { |
1870 | if (flags & DRIVE_CAP32) { | | 1870 | if (flags & DRIVE_CAP32) { |
1871 | while (len > 3) { | | 1871 | while (len > 3) { |
1872 | uint32_t val; | | 1872 | uint32_t val; |
1873 | | | 1873 | |
1874 | val = bus_space_read_4(wdr->data32iot, | | 1874 | val = bus_space_read_4(wdr->data32iot, |
1875 | wdr->data32ioh, 0); | | 1875 | wdr->data32ioh, 0); |
1876 | memcpy(bf, &val, 4); | | 1876 | memcpy(bf, &val, 4); |
1877 | bf = (char *)bf + 4; | | 1877 | bf = (char *)bf + 4; |
1878 | len -= 4; | | 1878 | len -= 4; |
1879 | } | | 1879 | } |
1880 | } | | 1880 | } |
1881 | while (len > 1) { | | 1881 | while (len > 1) { |
1882 | uint16_t val; | | 1882 | uint16_t val; |
1883 | | | 1883 | |
1884 | val = bus_space_read_2(wdr->cmd_iot, | | 1884 | val = bus_space_read_2(wdr->cmd_iot, |
1885 | wdr->cmd_iohs[wd_data], 0); | | 1885 | wdr->cmd_iohs[wd_data], 0); |
1886 | memcpy(bf, &val, 2); | | 1886 | memcpy(bf, &val, 2); |
1887 | bf = (char *)bf + 2; | | 1887 | bf = (char *)bf + 2; |
1888 | len -= 2; | | 1888 | len -= 2; |
1889 | } | | 1889 | } |
1890 | } else { | | 1890 | } else { |
1891 | if (flags & DRIVE_CAP32) { | | 1891 | if (flags & DRIVE_CAP32) { |
1892 | while (len > 3) { | | 1892 | while (len > 3) { |
1893 | uint32_t val; | | 1893 | uint32_t val; |
1894 | | | 1894 | |
1895 | val = bus_space_read_stream_4(wdr->data32iot, | | 1895 | val = bus_space_read_stream_4(wdr->data32iot, |
1896 | wdr->data32ioh, 0); | | 1896 | wdr->data32ioh, 0); |
1897 | memcpy(bf, &val, 4); | | 1897 | memcpy(bf, &val, 4); |
1898 | bf = (char *)bf + 4; | | 1898 | bf = (char *)bf + 4; |
1899 | len -= 4; | | 1899 | len -= 4; |
1900 | } | | 1900 | } |
1901 | } | | 1901 | } |
1902 | while (len > 1) { | | 1902 | while (len > 1) { |
1903 | uint16_t val; | | 1903 | uint16_t val; |
1904 | | | 1904 | |
1905 | val = bus_space_read_stream_2(wdr->cmd_iot, | | 1905 | val = bus_space_read_stream_2(wdr->cmd_iot, |
1906 | wdr->cmd_iohs[wd_data], 0); | | 1906 | wdr->cmd_iohs[wd_data], 0); |
1907 | memcpy(bf, &val, 2); | | 1907 | memcpy(bf, &val, 2); |
1908 | bf = (char *)bf + 2; | | 1908 | bf = (char *)bf + 2; |
1909 | len -= 2; | | 1909 | len -= 2; |
1910 | } | | 1910 | } |
1911 | } | | 1911 | } |
1912 | #endif | | 1912 | #endif |
1913 | } | | 1913 | } |
1914 | | | 1914 | |
1915 | static void | | 1915 | static void |
1916 | wdc_dataout_pio(struct ata_channel *chp, int flags, void *bf, size_t len) | | 1916 | wdc_dataout_pio(struct ata_channel *chp, int flags, void *bf, size_t len) |
1917 | { | | 1917 | { |
1918 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); | | 1918 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); |
1919 | | | 1919 | |
1920 | #ifndef __NO_STRICT_ALIGNMENT | | 1920 | #ifndef __NO_STRICT_ALIGNMENT |
1921 | if ((uintptr_t)bf & 1) | | 1921 | if ((uintptr_t)bf & 1) |
1922 | goto unaligned; | | 1922 | goto unaligned; |
1923 | if ((flags & DRIVE_CAP32) && ((uintptr_t)bf & 3)) | | 1923 | if ((flags & DRIVE_CAP32) && ((uintptr_t)bf & 3)) |
1924 | goto unaligned; | | 1924 | goto unaligned; |
1925 | #endif | | 1925 | #endif |
1926 | | | 1926 | |
1927 | if (flags & DRIVE_NOSTREAM) { | | 1927 | if (flags & DRIVE_NOSTREAM) { |
1928 | if (flags & DRIVE_CAP32) { | | 1928 | if (flags & DRIVE_CAP32) { |
1929 | bus_space_write_multi_4(wdr->data32iot, | | 1929 | bus_space_write_multi_4(wdr->data32iot, |
1930 | wdr->data32ioh, 0, bf, len >> 2); | | 1930 | wdr->data32ioh, 0, bf, len >> 2); |
1931 | bf = (char *)bf + (len & ~3); | | 1931 | bf = (char *)bf + (len & ~3); |
1932 | len &= 3; | | 1932 | len &= 3; |
1933 | } | | 1933 | } |
1934 | if (len) { | | 1934 | if (len) { |
1935 | bus_space_write_multi_2(wdr->cmd_iot, | | 1935 | bus_space_write_multi_2(wdr->cmd_iot, |
1936 | wdr->cmd_iohs[wd_data], 0, bf, len >> 1); | | 1936 | wdr->cmd_iohs[wd_data], 0, bf, len >> 1); |
1937 | } | | 1937 | } |
1938 | } else { | | 1938 | } else { |
1939 | if (flags & DRIVE_CAP32) { | | 1939 | if (flags & DRIVE_CAP32) { |
1940 | bus_space_write_multi_stream_4(wdr->data32iot, | | 1940 | bus_space_write_multi_stream_4(wdr->data32iot, |
1941 | wdr->data32ioh, 0, bf, len >> 2); | | 1941 | wdr->data32ioh, 0, bf, len >> 2); |
1942 | bf = (char *)bf + (len & ~3); | | 1942 | bf = (char *)bf + (len & ~3); |
1943 | len &= 3; | | 1943 | len &= 3; |
1944 | } | | 1944 | } |
1945 | if (len) { | | 1945 | if (len) { |
1946 | bus_space_write_multi_stream_2(wdr->cmd_iot, | | 1946 | bus_space_write_multi_stream_2(wdr->cmd_iot, |
1947 | wdr->cmd_iohs[wd_data], 0, bf, len >> 1); | | 1947 | wdr->cmd_iohs[wd_data], 0, bf, len >> 1); |
1948 | } | | 1948 | } |
1949 | } | | 1949 | } |
1950 | return; | | 1950 | return; |
1951 | | | 1951 | |
1952 | #ifndef __NO_STRICT_ALIGNMENT | | 1952 | #ifndef __NO_STRICT_ALIGNMENT |
1953 | unaligned: | | 1953 | unaligned: |
1954 | if (flags & DRIVE_NOSTREAM) { | | 1954 | if (flags & DRIVE_NOSTREAM) { |
1955 | if (flags & DRIVE_CAP32) { | | 1955 | if (flags & DRIVE_CAP32) { |
1956 | while (len > 3) { | | 1956 | while (len > 3) { |
1957 | uint32_t val; | | 1957 | uint32_t val; |
1958 | | | 1958 | |
1959 | memcpy(&val, bf, 4); | | 1959 | memcpy(&val, bf, 4); |
1960 | bus_space_write_4(wdr->data32iot, | | 1960 | bus_space_write_4(wdr->data32iot, |
1961 | wdr->data32ioh, 0, val); | | 1961 | wdr->data32ioh, 0, val); |
1962 | bf = (char *)bf + 4; | | 1962 | bf = (char *)bf + 4; |
1963 | len -= 4; | | 1963 | len -= 4; |
1964 | } | | 1964 | } |
1965 | } | | 1965 | } |
1966 | while (len > 1) { | | 1966 | while (len > 1) { |
1967 | uint16_t val; | | 1967 | uint16_t val; |
1968 | | | 1968 | |
1969 | memcpy(&val, bf, 2); | | 1969 | memcpy(&val, bf, 2); |
1970 | bus_space_write_2(wdr->cmd_iot, | | 1970 | bus_space_write_2(wdr->cmd_iot, |
1971 | wdr->cmd_iohs[wd_data], 0, val); | | 1971 | wdr->cmd_iohs[wd_data], 0, val); |
1972 | bf = (char *)bf + 2; | | 1972 | bf = (char *)bf + 2; |
1973 | len -= 2; | | 1973 | len -= 2; |
1974 | } | | 1974 | } |
1975 | } else { | | 1975 | } else { |
1976 | if (flags & DRIVE_CAP32) { | | 1976 | if (flags & DRIVE_CAP32) { |
1977 | while (len > 3) { | | 1977 | while (len > 3) { |
1978 | uint32_t val; | | 1978 | uint32_t val; |
1979 | | | 1979 | |
1980 | memcpy(&val, bf, 4); | | 1980 | memcpy(&val, bf, 4); |
1981 | bus_space_write_stream_4(wdr->data32iot, | | 1981 | bus_space_write_stream_4(wdr->data32iot, |
1982 | wdr->data32ioh, 0, val); | | 1982 | wdr->data32ioh, 0, val); |
1983 | bf = (char *)bf + 4; | | 1983 | bf = (char *)bf + 4; |
1984 | len -= 4; | | 1984 | len -= 4; |
1985 | } | | 1985 | } |
1986 | } | | 1986 | } |
1987 | while (len > 1) { | | 1987 | while (len > 1) { |
1988 | uint16_t val; | | 1988 | uint16_t val; |
1989 | | | 1989 | |
1990 | memcpy(&val, bf, 2); | | 1990 | memcpy(&val, bf, 2); |
1991 | bus_space_write_stream_2(wdr->cmd_iot, | | 1991 | bus_space_write_stream_2(wdr->cmd_iot, |
1992 | wdr->cmd_iohs[wd_data], 0, val); | | 1992 | wdr->cmd_iohs[wd_data], 0, val); |
1993 | bf = (char *)bf + 2; | | 1993 | bf = (char *)bf + 2; |
1994 | len -= 2; | | 1994 | len -= 2; |
1995 | } | | 1995 | } |
1996 | } | | 1996 | } |
1997 | #endif | | 1997 | #endif |
1998 | } | | 1998 | } |