Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Adaptec AAC series RAID controller driver |
| 3 | * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> |
| 4 | * |
| 5 | * based on the old aacraid driver that is.. |
| 6 | * Adaptec aacraid device driver for Linux. |
| 7 | * |
| 8 | * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2, or (at your option) |
| 13 | * any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; see the file COPYING. If not, write to |
| 22 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | * |
| 24 | * Module Name: |
| 25 | * rx.c |
| 26 | * |
| 27 | * Abstract: Hardware miniport for Drawbridge specific hardware functions. |
| 28 | * |
| 29 | */ |
| 30 | |
| 31 | #include <linux/kernel.h> |
| 32 | #include <linux/init.h> |
| 33 | #include <linux/types.h> |
| 34 | #include <linux/sched.h> |
| 35 | #include <linux/pci.h> |
| 36 | #include <linux/spinlock.h> |
| 37 | #include <linux/slab.h> |
| 38 | #include <linux/blkdev.h> |
| 39 | #include <linux/delay.h> |
| 40 | #include <linux/completion.h> |
| 41 | #include <linux/time.h> |
| 42 | #include <linux/interrupt.h> |
| 43 | #include <asm/semaphore.h> |
| 44 | |
| 45 | #include <scsi/scsi_host.h> |
| 46 | |
| 47 | #include "aacraid.h" |
| 48 | |
| 49 | static irqreturn_t aac_rx_intr(int irq, void *dev_id, struct pt_regs *regs) |
| 50 | { |
| 51 | struct aac_dev *dev = dev_id; |
Mark Haverkamp | 8e0c5eb | 2005-10-24 10:52:22 -0700 | [diff] [blame] | 52 | |
| 53 | dprintk((KERN_DEBUG "aac_rx_intr(%d,%p,%p)\n", irq, dev_id, regs)); |
| 54 | if (dev->new_comm_interface) { |
| 55 | u32 Index = rx_readl(dev, MUnit.OutboundQueue); |
| 56 | if (Index == 0xFFFFFFFFL) |
| 57 | Index = rx_readl(dev, MUnit.OutboundQueue); |
| 58 | if (Index != 0xFFFFFFFFL) { |
| 59 | do { |
| 60 | if (aac_intr_normal(dev, Index)) { |
| 61 | rx_writel(dev, MUnit.OutboundQueue, Index); |
| 62 | rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady); |
| 63 | } |
| 64 | Index = rx_readl(dev, MUnit.OutboundQueue); |
| 65 | } while (Index != 0xFFFFFFFFL); |
| 66 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | } |
Mark Haverkamp | 8e0c5eb | 2005-10-24 10:52:22 -0700 | [diff] [blame] | 68 | } else { |
| 69 | unsigned long bellbits; |
| 70 | u8 intstat; |
| 71 | intstat = rx_readb(dev, MUnit.OISR); |
| 72 | /* |
| 73 | * Read mask and invert because drawbridge is reversed. |
| 74 | * This allows us to only service interrupts that have |
| 75 | * been enabled. |
| 76 | * Check to see if this is our interrupt. If it isn't just return |
| 77 | */ |
| 78 | if (intstat & ~(dev->OIMR)) |
| 79 | { |
| 80 | bellbits = rx_readl(dev, OutboundDoorbellReg); |
| 81 | if (bellbits & DoorBellPrintfReady) { |
| 82 | aac_printf(dev, rx_readl (dev, IndexRegs.Mailbox[5])); |
| 83 | rx_writel(dev, MUnit.ODR,DoorBellPrintfReady); |
| 84 | rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone); |
| 85 | } |
| 86 | else if (bellbits & DoorBellAdapterNormCmdReady) { |
| 87 | rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady); |
| 88 | aac_command_normal(&dev->queues->queue[HostNormCmdQueue]); |
| 89 | } |
| 90 | else if (bellbits & DoorBellAdapterNormRespReady) { |
| 91 | rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady); |
| 92 | aac_response_normal(&dev->queues->queue[HostNormRespQueue]); |
| 93 | } |
| 94 | else if (bellbits & DoorBellAdapterNormCmdNotFull) { |
| 95 | rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); |
| 96 | } |
| 97 | else if (bellbits & DoorBellAdapterNormRespNotFull) { |
| 98 | rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); |
| 99 | rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull); |
| 100 | } |
| 101 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | } |
| 104 | return IRQ_NONE; |
| 105 | } |
| 106 | |
| 107 | /** |
Mark Haverkamp | bd1aac8 | 2005-08-03 15:39:01 -0700 | [diff] [blame] | 108 | * aac_rx_disable_interrupt - Disable interrupts |
| 109 | * @dev: Adapter |
| 110 | */ |
| 111 | |
| 112 | static void aac_rx_disable_interrupt(struct aac_dev *dev) |
| 113 | { |
| 114 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); |
| 115 | } |
| 116 | |
| 117 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | * rx_sync_cmd - send a command and wait |
| 119 | * @dev: Adapter |
| 120 | * @command: Command to execute |
| 121 | * @p1: first parameter |
| 122 | * @ret: adapter status |
| 123 | * |
| 124 | * This routine will send a synchronous command to the adapter and wait |
| 125 | * for its completion. |
| 126 | */ |
| 127 | |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 128 | static int rx_sync_cmd(struct aac_dev *dev, u32 command, |
| 129 | u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, |
| 130 | u32 *status, u32 * r1, u32 * r2, u32 * r3, u32 * r4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | { |
| 132 | unsigned long start; |
| 133 | int ok; |
| 134 | /* |
| 135 | * Write the command into Mailbox 0 |
| 136 | */ |
| 137 | rx_writel(dev, InboundMailbox0, command); |
| 138 | /* |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 139 | * Write the parameters into Mailboxes 1 - 6 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | */ |
| 141 | rx_writel(dev, InboundMailbox1, p1); |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 142 | rx_writel(dev, InboundMailbox2, p2); |
| 143 | rx_writel(dev, InboundMailbox3, p3); |
| 144 | rx_writel(dev, InboundMailbox4, p4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | /* |
| 146 | * Clear the synch command doorbell to start on a clean slate. |
| 147 | */ |
| 148 | rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0); |
| 149 | /* |
| 150 | * Disable doorbell interrupts |
| 151 | */ |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 152 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | /* |
| 154 | * Force the completion of the mask register write before issuing |
| 155 | * the interrupt. |
| 156 | */ |
| 157 | rx_readb (dev, MUnit.OIMR); |
| 158 | /* |
| 159 | * Signal that there is a new synch command |
| 160 | */ |
| 161 | rx_writel(dev, InboundDoorbellReg, INBOUNDDOORBELL_0); |
| 162 | |
| 163 | ok = 0; |
| 164 | start = jiffies; |
| 165 | |
| 166 | /* |
| 167 | * Wait up to 30 seconds |
| 168 | */ |
| 169 | while (time_before(jiffies, start+30*HZ)) |
| 170 | { |
| 171 | udelay(5); /* Delay 5 microseconds to let Mon960 get info. */ |
| 172 | /* |
| 173 | * Mon960 will set doorbell0 bit when it has completed the command. |
| 174 | */ |
| 175 | if (rx_readl(dev, OutboundDoorbellReg) & OUTBOUNDDOORBELL_0) { |
| 176 | /* |
| 177 | * Clear the doorbell. |
| 178 | */ |
| 179 | rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0); |
| 180 | ok = 1; |
| 181 | break; |
| 182 | } |
| 183 | /* |
| 184 | * Yield the processor in case we are slow |
| 185 | */ |
Mark Haverkamp | 1241f35 | 2006-03-27 09:44:23 -0800 | [diff] [blame] | 186 | msleep(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | } |
| 188 | if (ok != 1) { |
| 189 | /* |
| 190 | * Restore interrupt mask even though we timed out |
| 191 | */ |
Mark Haverkamp | 8e0c5eb | 2005-10-24 10:52:22 -0700 | [diff] [blame] | 192 | if (dev->new_comm_interface) |
| 193 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); |
| 194 | else |
| 195 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | return -ETIMEDOUT; |
| 197 | } |
| 198 | /* |
| 199 | * Pull the synch status from Mailbox 0. |
| 200 | */ |
| 201 | if (status) |
| 202 | *status = rx_readl(dev, IndexRegs.Mailbox[0]); |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 203 | if (r1) |
| 204 | *r1 = rx_readl(dev, IndexRegs.Mailbox[1]); |
| 205 | if (r2) |
| 206 | *r2 = rx_readl(dev, IndexRegs.Mailbox[2]); |
| 207 | if (r3) |
| 208 | *r3 = rx_readl(dev, IndexRegs.Mailbox[3]); |
| 209 | if (r4) |
| 210 | *r4 = rx_readl(dev, IndexRegs.Mailbox[4]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | /* |
| 212 | * Clear the synch command doorbell. |
| 213 | */ |
| 214 | rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0); |
| 215 | /* |
| 216 | * Restore interrupt mask |
| 217 | */ |
Mark Haverkamp | 8e0c5eb | 2005-10-24 10:52:22 -0700 | [diff] [blame] | 218 | if (dev->new_comm_interface) |
| 219 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); |
| 220 | else |
| 221 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | return 0; |
| 223 | |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * aac_rx_interrupt_adapter - interrupt adapter |
| 228 | * @dev: Adapter |
| 229 | * |
| 230 | * Send an interrupt to the i960 and breakpoint it. |
| 231 | */ |
| 232 | |
| 233 | static void aac_rx_interrupt_adapter(struct aac_dev *dev) |
| 234 | { |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 235 | rx_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | /** |
| 239 | * aac_rx_notify_adapter - send an event to the adapter |
| 240 | * @dev: Adapter |
| 241 | * @event: Event to send |
| 242 | * |
| 243 | * Notify the i960 that something it probably cares about has |
| 244 | * happened. |
| 245 | */ |
| 246 | |
| 247 | static void aac_rx_notify_adapter(struct aac_dev *dev, u32 event) |
| 248 | { |
| 249 | switch (event) { |
| 250 | |
| 251 | case AdapNormCmdQue: |
| 252 | rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_1); |
| 253 | break; |
| 254 | case HostNormRespNotFull: |
| 255 | rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_4); |
| 256 | break; |
| 257 | case AdapNormRespQue: |
| 258 | rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_2); |
| 259 | break; |
| 260 | case HostNormCmdNotFull: |
| 261 | rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_3); |
| 262 | break; |
| 263 | case HostShutdown: |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 264 | // rx_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, 0, 0, |
| 265 | // NULL, NULL, NULL, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | break; |
| 267 | case FastIo: |
| 268 | rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_6); |
| 269 | break; |
| 270 | case AdapPrintfDone: |
| 271 | rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_5); |
| 272 | break; |
| 273 | default: |
| 274 | BUG(); |
| 275 | break; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * aac_rx_start_adapter - activate adapter |
| 281 | * @dev: Adapter |
| 282 | * |
| 283 | * Start up processing on an i960 based AAC adapter |
| 284 | */ |
| 285 | |
| 286 | static void aac_rx_start_adapter(struct aac_dev *dev) |
| 287 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | struct aac_init *init; |
| 289 | |
| 290 | init = dev->init; |
| 291 | init->HostElapsedSeconds = cpu_to_le32(get_seconds()); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | // We can only use a 32 bit address here |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 293 | rx_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, |
| 294 | 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | /** |
| 298 | * aac_rx_check_health |
| 299 | * @dev: device to check if healthy |
| 300 | * |
| 301 | * Will attempt to determine if the specified adapter is alive and |
| 302 | * capable of handling requests, returning 0 if alive. |
| 303 | */ |
| 304 | static int aac_rx_check_health(struct aac_dev *dev) |
| 305 | { |
| 306 | u32 status = rx_readl(dev, MUnit.OMRx[0]); |
| 307 | |
| 308 | /* |
| 309 | * Check to see if the board failed any self tests. |
| 310 | */ |
| 311 | if (status & SELF_TEST_FAILED) |
| 312 | return -1; |
| 313 | /* |
| 314 | * Check to see if the board panic'd. |
| 315 | */ |
| 316 | if (status & KERNEL_PANIC) { |
| 317 | char * buffer; |
| 318 | struct POSTSTATUS { |
Mark Haverkamp | 56b5871 | 2005-04-27 06:05:51 -0700 | [diff] [blame] | 319 | __le32 Post_Command; |
| 320 | __le32 Post_Address; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | } * post; |
| 322 | dma_addr_t paddr, baddr; |
| 323 | int ret; |
| 324 | |
| 325 | if ((status & 0xFF000000L) == 0xBC000000L) |
| 326 | return (status >> 16) & 0xFF; |
| 327 | buffer = pci_alloc_consistent(dev->pdev, 512, &baddr); |
| 328 | ret = -2; |
| 329 | if (buffer == NULL) |
| 330 | return ret; |
| 331 | post = pci_alloc_consistent(dev->pdev, |
| 332 | sizeof(struct POSTSTATUS), &paddr); |
| 333 | if (post == NULL) { |
| 334 | pci_free_consistent(dev->pdev, 512, buffer, baddr); |
| 335 | return ret; |
| 336 | } |
| 337 | memset(buffer, 0, 512); |
| 338 | post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS); |
| 339 | post->Post_Address = cpu_to_le32(baddr); |
| 340 | rx_writel(dev, MUnit.IMRx[0], paddr); |
Mark Haverkamp | 7c00ffa | 2005-05-16 18:28:42 -0700 | [diff] [blame] | 341 | rx_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, 0, 0, 0, 0, 0, |
| 342 | NULL, NULL, NULL, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS), |
| 344 | post, paddr); |
Mark Haverkamp | 1241f35 | 2006-03-27 09:44:23 -0800 | [diff] [blame] | 345 | if ((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X'))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10); |
| 347 | ret <<= 4; |
| 348 | ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10); |
| 349 | } |
| 350 | pci_free_consistent(dev->pdev, 512, buffer, baddr); |
| 351 | return ret; |
| 352 | } |
| 353 | /* |
| 354 | * Wait for the adapter to be up and running. |
| 355 | */ |
| 356 | if (!(status & KERNEL_UP_AND_RUNNING)) |
| 357 | return -3; |
| 358 | /* |
| 359 | * Everything is OK |
| 360 | */ |
| 361 | return 0; |
| 362 | } |
| 363 | |
| 364 | /** |
Mark Haverkamp | 8e0c5eb | 2005-10-24 10:52:22 -0700 | [diff] [blame] | 365 | * aac_rx_send |
| 366 | * @fib: fib to issue |
| 367 | * |
| 368 | * Will send a fib, returning 0 if successful. |
| 369 | */ |
| 370 | static int aac_rx_send(struct fib * fib) |
| 371 | { |
| 372 | u64 addr = fib->hw_fib_pa; |
| 373 | struct aac_dev *dev = fib->dev; |
| 374 | volatile void __iomem *device = dev->regs.rx; |
| 375 | u32 Index; |
| 376 | |
| 377 | dprintk((KERN_DEBUG "%p->aac_rx_send(%p->%llx)\n", dev, fib, addr)); |
| 378 | Index = rx_readl(dev, MUnit.InboundQueue); |
| 379 | if (Index == 0xFFFFFFFFL) |
| 380 | Index = rx_readl(dev, MUnit.InboundQueue); |
| 381 | dprintk((KERN_DEBUG "Index = 0x%x\n", Index)); |
| 382 | if (Index == 0xFFFFFFFFL) |
| 383 | return Index; |
| 384 | device += Index; |
| 385 | dprintk((KERN_DEBUG "entry = %x %x %u\n", (u32)(addr & 0xffffffff), |
| 386 | (u32)(addr >> 32), (u32)le16_to_cpu(fib->hw_fib->header.Size))); |
| 387 | writel((u32)(addr & 0xffffffff), device); |
| 388 | device += sizeof(u32); |
| 389 | writel((u32)(addr >> 32), device); |
| 390 | device += sizeof(u32); |
| 391 | writel(le16_to_cpu(fib->hw_fib->header.Size), device); |
| 392 | rx_writel(dev, MUnit.InboundQueue, Index); |
| 393 | dprintk((KERN_DEBUG "aac_rx_send - return 0\n")); |
| 394 | return 0; |
| 395 | } |
| 396 | |
| 397 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | * aac_rx_init - initialize an i960 based AAC card |
| 399 | * @dev: device to configure |
| 400 | * |
| 401 | * Allocate and set up resources for the i960 based AAC variants. The |
| 402 | * device_interface in the commregion will be allocated and linked |
| 403 | * to the comm region. |
| 404 | */ |
| 405 | |
| 406 | int aac_rx_init(struct aac_dev *dev) |
| 407 | { |
| 408 | unsigned long start; |
| 409 | unsigned long status; |
| 410 | int instance; |
| 411 | const char * name; |
| 412 | |
| 413 | instance = dev->id; |
| 414 | name = dev->name; |
| 415 | |
| 416 | /* |
Mark Haverkamp | 8e0c5eb | 2005-10-24 10:52:22 -0700 | [diff] [blame] | 417 | * Check to see if the board panic'd while booting. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | /* |
| 420 | * Check to see if the board failed any self tests. |
| 421 | */ |
| 422 | if (rx_readl(dev, MUnit.OMRx[0]) & SELF_TEST_FAILED) { |
| 423 | printk(KERN_ERR "%s%d: adapter self-test failed.\n", dev->name, instance); |
| 424 | goto error_iounmap; |
| 425 | } |
| 426 | /* |
| 427 | * Check to see if the board panic'd while booting. |
| 428 | */ |
| 429 | if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC) { |
| 430 | printk(KERN_ERR "%s%d: adapter kernel panic.\n", dev->name, instance); |
| 431 | goto error_iounmap; |
| 432 | } |
| 433 | /* |
| 434 | * Check to see if the monitor panic'd while booting. |
| 435 | */ |
| 436 | if (rx_readl(dev, MUnit.OMRx[0]) & MONITOR_PANIC) { |
| 437 | printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance); |
| 438 | goto error_iounmap; |
| 439 | } |
| 440 | start = jiffies; |
| 441 | /* |
| 442 | * Wait for the adapter to be up and running. Wait up to 3 minutes |
| 443 | */ |
| 444 | while ((!(rx_readl(dev, IndexRegs.Mailbox[7]) & KERNEL_UP_AND_RUNNING)) |
| 445 | || (!(rx_readl(dev, MUnit.OMRx[0]) & KERNEL_UP_AND_RUNNING))) |
| 446 | { |
| 447 | if(time_after(jiffies, start+180*HZ)) |
| 448 | { |
| 449 | status = rx_readl(dev, IndexRegs.Mailbox[7]); |
| 450 | printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n", |
| 451 | dev->name, instance, status); |
| 452 | goto error_iounmap; |
| 453 | } |
Nishanth Aravamudan | a9a3047 | 2005-11-07 01:01:20 -0800 | [diff] [blame] | 454 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | } |
| 456 | if (request_irq(dev->scsi_host_ptr->irq, aac_rx_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev)<0) |
| 457 | { |
| 458 | printk(KERN_ERR "%s%d: Interrupt unavailable.\n", name, instance); |
| 459 | goto error_iounmap; |
| 460 | } |
| 461 | /* |
| 462 | * Fill in the function dispatch table. |
| 463 | */ |
| 464 | dev->a_ops.adapter_interrupt = aac_rx_interrupt_adapter; |
Mark Haverkamp | bd1aac8 | 2005-08-03 15:39:01 -0700 | [diff] [blame] | 465 | dev->a_ops.adapter_disable_int = aac_rx_disable_interrupt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | dev->a_ops.adapter_notify = aac_rx_notify_adapter; |
| 467 | dev->a_ops.adapter_sync_cmd = rx_sync_cmd; |
| 468 | dev->a_ops.adapter_check_health = aac_rx_check_health; |
Mark Haverkamp | 8e0c5eb | 2005-10-24 10:52:22 -0700 | [diff] [blame] | 469 | dev->a_ops.adapter_send = aac_rx_send; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | |
Mark Haverkamp | bd1aac8 | 2005-08-03 15:39:01 -0700 | [diff] [blame] | 471 | /* |
| 472 | * First clear out all interrupts. Then enable the one's that we |
| 473 | * can handle. |
| 474 | */ |
| 475 | rx_writeb(dev, MUnit.OIMR, 0xff); |
| 476 | rx_writel(dev, MUnit.ODR, 0xffffffff); |
| 477 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); |
| 478 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | if (aac_init_adapter(dev) == NULL) |
| 480 | goto error_irq; |
Mark Haverkamp | 8e0c5eb | 2005-10-24 10:52:22 -0700 | [diff] [blame] | 481 | if (dev->new_comm_interface) |
| 482 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); |
| 483 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | /* |
| 485 | * Tell the adapter that all is configured, and it can start |
| 486 | * accepting requests |
| 487 | */ |
| 488 | aac_rx_start_adapter(dev); |
| 489 | return 0; |
| 490 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | error_irq: |
Mark Haverkamp | bd1aac8 | 2005-08-03 15:39:01 -0700 | [diff] [blame] | 492 | rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | free_irq(dev->scsi_host_ptr->irq, (void *)dev); |
| 494 | |
| 495 | error_iounmap: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | |
| 497 | return -1; |
| 498 | } |