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Lines 208-215
static void __devinit quirk_usb_handoff_
Link Here
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| 208 |
} |
208 |
} |
| 209 |
if (wait_time <= 0) |
209 |
if (wait_time <= 0) |
| 210 |
printk(KERN_WARNING "%s %s: BIOS handoff " |
210 |
printk(KERN_WARNING "%s %s: BIOS handoff " |
| 211 |
"failed (BIOS bug ?)\n", |
211 |
"failed (BIOS bug ?) %08x\n", |
| 212 |
pdev->dev.bus_id, "OHCI"); |
212 |
pdev->dev.bus_id, "OHCI", |
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|
213 |
readl(base + OHCI_CONTROL)); |
| 213 |
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214 |
|
| 214 |
/* reset controller, preserving RWC */ |
215 |
/* reset controller, preserving RWC */ |
| 215 |
writel(control & OHCI_CTRL_RWC, base + OHCI_CONTROL); |
216 |
writel(control & OHCI_CTRL_RWC, base + OHCI_CONTROL); |
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Lines 234-245
static void __devinit quirk_usb_disable_
Link Here
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| 234 |
u8 offset, cap_length; |
235 |
u8 offset, cap_length; |
| 235 |
int count = 256/4; |
236 |
int count = 256/4; |
| 236 |
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237 |
|
| 237 |
if (!mmio_resource_enabled(pdev, 0)) |
238 |
printk("quirk_usb_disable_ehci()\n"); |
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|
239 |
|
| 240 |
if (!mmio_resource_enabled(pdev, 0)) { |
| 241 |
printk("quirk_usb_disable_ehci() no mmio\n"); |
| 238 |
return; |
242 |
return; |
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|
243 |
} |
| 239 |
|
244 |
|
| 240 |
base = ioremap_nocache(pci_resource_start(pdev, 0), |
245 |
base = ioremap_nocache(pci_resource_start(pdev, 0), |
| 241 |
pci_resource_len(pdev, 0)); |
246 |
pci_resource_len(pdev, 0)); |
| 242 |
if (base == NULL) return; |
247 |
if (base == NULL) { |
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|
248 |
printk("quirk_usb_disable_ehci() no base\n"); |
| 249 |
return; |
| 250 |
} |
| 243 |
|
251 |
|
| 244 |
cap_length = readb(base); |
252 |
cap_length = readb(base); |
| 245 |
op_reg_base = base + cap_length; |
253 |
op_reg_base = base + cap_length; |
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Lines 261-266
static void __devinit quirk_usb_disable_
Link Here
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| 261 |
pr_debug("%s %s: BIOS handoff\n", |
269 |
pr_debug("%s %s: BIOS handoff\n", |
| 262 |
pdev->dev.bus_id, "EHCI"); |
270 |
pdev->dev.bus_id, "EHCI"); |
| 263 |
|
271 |
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|
272 |
#if 0 |
| 273 |
/* aleksey_gorelov@phoenix.com reports that some systems need SMI forced on, |
| 274 |
* but that seems dubious in general (the BIOS left it off intentionally) |
| 275 |
* and is known to prevent some systems from booting. so we won't do this |
| 276 |
* unless maybe we can determine when we're on a system that needs SMI forced. |
| 277 |
*/ |
| 264 |
/* BIOS workaround (?): be sure the |
278 |
/* BIOS workaround (?): be sure the |
| 265 |
* pre-Linux code receives the SMI |
279 |
* pre-Linux code receives the SMI |
| 266 |
*/ |
280 |
*/ |
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Lines 270-275
static void __devinit quirk_usb_disable_
Link Here
|
| 270 |
pci_write_config_dword(pdev, |
284 |
pci_write_config_dword(pdev, |
| 271 |
offset + EHCI_USBLEGCTLSTS, |
285 |
offset + EHCI_USBLEGCTLSTS, |
| 272 |
val | EHCI_USBLEGCTLSTS_SOOE); |
286 |
val | EHCI_USBLEGCTLSTS_SOOE); |
|
|
287 |
#endif |
| 273 |
} |
288 |
} |
| 274 |
|
289 |
|
| 275 |
/* always say Linux will own the hardware |
290 |
/* always say Linux will own the hardware |
|
Lines 292-299
static void __devinit quirk_usb_disable_
Link Here
|
| 292 |
* it down, and hope nothing goes too wrong |
307 |
* it down, and hope nothing goes too wrong |
| 293 |
*/ |
308 |
*/ |
| 294 |
printk(KERN_WARNING "%s %s: BIOS handoff " |
309 |
printk(KERN_WARNING "%s %s: BIOS handoff " |
| 295 |
"failed (BIOS bug ?)\n", |
310 |
"failed (BIOS bug ?) %08x\n", |
| 296 |
pdev->dev.bus_id, "EHCI"); |
311 |
pdev->dev.bus_id, "EHCI", cap); |
| 297 |
pci_write_config_byte(pdev, offset + 2, 0); |
312 |
pci_write_config_byte(pdev, offset + 2, 0); |
| 298 |
} |
313 |
} |
| 299 |
|
314 |
|
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Lines 344-349
static void __devinit quirk_usb_disable_
Link Here
|
| 344 |
|
359 |
|
| 345 |
iounmap(base); |
360 |
iounmap(base); |
| 346 |
|
361 |
|
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|
362 |
printk("quirk_usb_disable_ehci() complete\n"); |
| 363 |
|
| 347 |
return; |
364 |
return; |
| 348 |
} |
365 |
} |
| 349 |
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366 |
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