diff options
author | Paul Mundt <lethal@linux-sh.org> | 2008-10-19 22:17:52 -0400 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2008-10-19 22:17:52 -0400 |
commit | 4cb40f795af36b3deb743f6ccf6c3fd542c61c8d (patch) | |
tree | db3d7519932549bf528f5b8e4cb8350356cd544d /drivers/ide/mips | |
parent | 79ed2a9216dd3cc35c4f2c5dbaddadb195af83ac (diff) | |
parent | 0cfd81031a26717fe14380d18275f8e217571615 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/kernel-parameters.txt
arch/sh/include/asm/elf.h
Diffstat (limited to 'drivers/ide/mips')
-rw-r--r-- | drivers/ide/mips/Makefile | 1 | ||||
-rw-r--r-- | drivers/ide/mips/au1xxx-ide.c | 34 | ||||
-rw-r--r-- | drivers/ide/mips/swarm.c | 196 |
3 files changed, 6 insertions, 225 deletions
diff --git a/drivers/ide/mips/Makefile b/drivers/ide/mips/Makefile index 677c7b2bac92..5873fa0b8769 100644 --- a/drivers/ide/mips/Makefile +++ b/drivers/ide/mips/Makefile | |||
@@ -1,4 +1,3 @@ | |||
1 | obj-$(CONFIG_BLK_DEV_IDE_SWARM) += swarm.o | ||
2 | obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o | 1 | obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o |
3 | 2 | ||
4 | EXTRA_CFLAGS := -Idrivers/ide | 3 | EXTRA_CFLAGS := -Idrivers/ide |
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 11b7f61aae40..0ec8fd1e4dcb 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c | |||
@@ -322,11 +322,7 @@ static int auide_dma_setup(ide_drive_t *drive) | |||
322 | } | 322 | } |
323 | 323 | ||
324 | static int auide_dma_test_irq(ide_drive_t *drive) | 324 | static int auide_dma_test_irq(ide_drive_t *drive) |
325 | { | 325 | { |
326 | if (drive->waiting_for_dma == 0) | ||
327 | printk(KERN_WARNING "%s: ide_dma_test_irq \ | ||
328 | called while not waiting\n", drive->name); | ||
329 | |||
330 | /* If dbdma didn't execute the STOP command yet, the | 326 | /* If dbdma didn't execute the STOP command yet, the |
331 | * active bit is still set | 327 | * active bit is still set |
332 | */ | 328 | */ |
@@ -344,11 +340,6 @@ static void auide_dma_host_set(ide_drive_t *drive, int on) | |||
344 | { | 340 | { |
345 | } | 341 | } |
346 | 342 | ||
347 | static void auide_dma_lost_irq(ide_drive_t *drive) | ||
348 | { | ||
349 | printk(KERN_ERR "%s: IRQ lost\n", drive->name); | ||
350 | } | ||
351 | |||
352 | static void auide_ddma_tx_callback(int irq, void *param) | 343 | static void auide_ddma_tx_callback(int irq, void *param) |
353 | { | 344 | { |
354 | _auide_hwif *ahwif = (_auide_hwif*)param; | 345 | _auide_hwif *ahwif = (_auide_hwif*)param; |
@@ -375,18 +366,6 @@ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 de | |||
375 | } | 366 | } |
376 | 367 | ||
377 | #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA | 368 | #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA |
378 | static void auide_dma_timeout(ide_drive_t *drive) | ||
379 | { | ||
380 | ide_hwif_t *hwif = HWIF(drive); | ||
381 | |||
382 | printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name); | ||
383 | |||
384 | if (auide_dma_test_irq(drive)) | ||
385 | return; | ||
386 | |||
387 | auide_dma_end(drive); | ||
388 | } | ||
389 | |||
390 | static const struct ide_dma_ops au1xxx_dma_ops = { | 369 | static const struct ide_dma_ops au1xxx_dma_ops = { |
391 | .dma_host_set = auide_dma_host_set, | 370 | .dma_host_set = auide_dma_host_set, |
392 | .dma_setup = auide_dma_setup, | 371 | .dma_setup = auide_dma_setup, |
@@ -394,8 +373,8 @@ static const struct ide_dma_ops au1xxx_dma_ops = { | |||
394 | .dma_start = auide_dma_start, | 373 | .dma_start = auide_dma_start, |
395 | .dma_end = auide_dma_end, | 374 | .dma_end = auide_dma_end, |
396 | .dma_test_irq = auide_dma_test_irq, | 375 | .dma_test_irq = auide_dma_test_irq, |
397 | .dma_lost_irq = auide_dma_lost_irq, | 376 | .dma_lost_irq = ide_dma_lost_irq, |
398 | .dma_timeout = auide_dma_timeout, | 377 | .dma_timeout = ide_dma_timeout, |
399 | }; | 378 | }; |
400 | 379 | ||
401 | static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) | 380 | static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) |
@@ -448,10 +427,9 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) | |||
448 | NUM_DESCRIPTORS); | 427 | NUM_DESCRIPTORS); |
449 | auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, | 428 | auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, |
450 | NUM_DESCRIPTORS); | 429 | NUM_DESCRIPTORS); |
451 | 430 | ||
452 | hwif->dmatable_cpu = dma_alloc_coherent(hwif->dev, | 431 | /* FIXME: check return value */ |
453 | PRD_ENTRIES * PRD_BYTES, /* 1 Page */ | 432 | (void)ide_allocate_dma_engine(hwif); |
454 | &hwif->dmatable_dma, GFP_KERNEL); | ||
455 | 433 | ||
456 | au1xxx_dbdma_start( auide->tx_chan ); | 434 | au1xxx_dbdma_start( auide->tx_chan ); |
457 | au1xxx_dbdma_start( auide->rx_chan ); | 435 | au1xxx_dbdma_start( auide->rx_chan ); |
diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c deleted file mode 100644 index badf79fc9e3a..000000000000 --- a/drivers/ide/mips/swarm.c +++ /dev/null | |||
@@ -1,196 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2001, 2002, 2003 Broadcom Corporation | ||
3 | * Copyright (C) 2004 MontaVista Software Inc. | ||
4 | * Author: Manish Lachwani, mlachwani@mvista.com | ||
5 | * Copyright (C) 2004 MIPS Technologies, Inc. All rights reserved. | ||
6 | * Author: Maciej W. Rozycki <macro@mips.com> | ||
7 | * Copyright (c) 2006, 2008 Maciej W. Rozycki | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * as published by the Free Software Foundation; either version 2 | ||
12 | * of the License, or (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
22 | */ | ||
23 | |||
24 | /* | ||
25 | * Derived loosely from ide-pmac.c, so: | ||
26 | * Copyright (C) 1998 Paul Mackerras. | ||
27 | * Copyright (C) 1995-1998 Mark Lord | ||
28 | */ | ||
29 | |||
30 | /* | ||
31 | * Boards with SiByte processors so far have supported IDE devices via | ||
32 | * the Generic Bus, PCI bus, and built-in PCMCIA interface. In all | ||
33 | * cases, byte-swapping must be avoided for these devices (whereas | ||
34 | * other PCI devices, for example, will require swapping). Any | ||
35 | * SiByte-targetted kernel including IDE support will include this | ||
36 | * file. Probing of a Generic Bus for an IDE device is controlled by | ||
37 | * the definition of "SIBYTE_HAVE_IDE", which is provided by | ||
38 | * <asm/sibyte/board.h> for Broadcom boards. | ||
39 | */ | ||
40 | |||
41 | #include <linux/ide.h> | ||
42 | #include <linux/ioport.h> | ||
43 | #include <linux/kernel.h> | ||
44 | #include <linux/types.h> | ||
45 | #include <linux/platform_device.h> | ||
46 | |||
47 | #include <asm/io.h> | ||
48 | |||
49 | #include <asm/sibyte/board.h> | ||
50 | #include <asm/sibyte/sb1250_genbus.h> | ||
51 | #include <asm/sibyte/sb1250_regs.h> | ||
52 | |||
53 | #define DRV_NAME "ide-swarm" | ||
54 | |||
55 | static char swarm_ide_string[] = DRV_NAME; | ||
56 | |||
57 | static struct resource swarm_ide_resource = { | ||
58 | .name = "SWARM GenBus IDE", | ||
59 | .flags = IORESOURCE_MEM, | ||
60 | }; | ||
61 | |||
62 | static struct platform_device *swarm_ide_dev; | ||
63 | |||
64 | static const struct ide_port_info swarm_port_info = { | ||
65 | .name = DRV_NAME, | ||
66 | .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, | ||
67 | }; | ||
68 | |||
69 | /* | ||
70 | * swarm_ide_probe - if the board header indicates the existence of | ||
71 | * Generic Bus IDE, allocate a HWIF for it. | ||
72 | */ | ||
73 | static int __devinit swarm_ide_probe(struct device *dev) | ||
74 | { | ||
75 | u8 __iomem *base; | ||
76 | struct ide_host *host; | ||
77 | phys_t offset, size; | ||
78 | int i, rc; | ||
79 | hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; | ||
80 | |||
81 | if (!SIBYTE_HAVE_IDE) | ||
82 | return -ENODEV; | ||
83 | |||
84 | base = ioremap(A_IO_EXT_BASE, 0x800); | ||
85 | offset = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_START_ADDR, IDE_CS)); | ||
86 | size = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_MULT_SIZE, IDE_CS)); | ||
87 | iounmap(base); | ||
88 | |||
89 | offset = G_IO_START_ADDR(offset) << S_IO_ADDRBASE; | ||
90 | size = (G_IO_MULT_SIZE(size) + 1) << S_IO_REGSIZE; | ||
91 | if (offset < A_PHYS_GENBUS || offset >= A_PHYS_GENBUS_END) { | ||
92 | printk(KERN_INFO DRV_NAME | ||
93 | ": IDE interface at GenBus disabled\n"); | ||
94 | return -EBUSY; | ||
95 | } | ||
96 | |||
97 | printk(KERN_INFO DRV_NAME ": IDE interface at GenBus slot %i\n", | ||
98 | IDE_CS); | ||
99 | |||
100 | swarm_ide_resource.start = offset; | ||
101 | swarm_ide_resource.end = offset + size - 1; | ||
102 | if (request_resource(&iomem_resource, &swarm_ide_resource)) { | ||
103 | printk(KERN_ERR DRV_NAME | ||
104 | ": can't request I/O memory resource\n"); | ||
105 | return -EBUSY; | ||
106 | } | ||
107 | |||
108 | base = ioremap(offset, size); | ||
109 | |||
110 | for (i = 0; i <= 7; i++) | ||
111 | hw.io_ports_array[i] = | ||
112 | (unsigned long)(base + ((0x1f0 + i) << 5)); | ||
113 | hw.io_ports.ctl_addr = | ||
114 | (unsigned long)(base + (0x3f6 << 5)); | ||
115 | hw.irq = K_INT_GB_IDE; | ||
116 | hw.chipset = ide_generic; | ||
117 | |||
118 | rc = ide_host_add(&swarm_port_info, hws, &host); | ||
119 | if (rc) | ||
120 | goto err; | ||
121 | |||
122 | dev_set_drvdata(dev, host); | ||
123 | |||
124 | return 0; | ||
125 | err: | ||
126 | release_resource(&swarm_ide_resource); | ||
127 | iounmap(base); | ||
128 | return rc; | ||
129 | } | ||
130 | |||
131 | static struct device_driver swarm_ide_driver = { | ||
132 | .name = swarm_ide_string, | ||
133 | .bus = &platform_bus_type, | ||
134 | .probe = swarm_ide_probe, | ||
135 | }; | ||
136 | |||
137 | static void swarm_ide_platform_release(struct device *device) | ||
138 | { | ||
139 | struct platform_device *pldev; | ||
140 | |||
141 | /* free device */ | ||
142 | pldev = to_platform_device(device); | ||
143 | kfree(pldev); | ||
144 | } | ||
145 | |||
146 | static int __devinit swarm_ide_init_module(void) | ||
147 | { | ||
148 | struct platform_device *pldev; | ||
149 | int err; | ||
150 | |||
151 | printk(KERN_INFO "SWARM IDE driver\n"); | ||
152 | |||
153 | if (driver_register(&swarm_ide_driver)) { | ||
154 | printk(KERN_ERR "Driver registration failed\n"); | ||
155 | err = -ENODEV; | ||
156 | goto out; | ||
157 | } | ||
158 | |||
159 | if (!(pldev = kzalloc(sizeof (*pldev), GFP_KERNEL))) { | ||
160 | err = -ENOMEM; | ||
161 | goto out_unregister_driver; | ||
162 | } | ||
163 | |||
164 | pldev->name = swarm_ide_string; | ||
165 | pldev->id = 0; | ||
166 | pldev->dev.release = swarm_ide_platform_release; | ||
167 | |||
168 | if (platform_device_register(pldev)) { | ||
169 | err = -ENODEV; | ||
170 | goto out_free_pldev; | ||
171 | } | ||
172 | |||
173 | if (!pldev->dev.driver) { | ||
174 | /* | ||
175 | * The driver was not bound to this device, there was | ||
176 | * no hardware at this address. Unregister it, as the | ||
177 | * release fuction will take care of freeing the | ||
178 | * allocated structure | ||
179 | */ | ||
180 | platform_device_unregister (pldev); | ||
181 | } | ||
182 | |||
183 | swarm_ide_dev = pldev; | ||
184 | |||
185 | return 0; | ||
186 | |||
187 | out_free_pldev: | ||
188 | kfree(pldev); | ||
189 | |||
190 | out_unregister_driver: | ||
191 | driver_unregister(&swarm_ide_driver); | ||
192 | out: | ||
193 | return err; | ||
194 | } | ||
195 | |||
196 | module_init(swarm_ide_init_module); | ||