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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-02-26 14:04:15 -0500
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-02-26 14:06:24 -0500
commita7790532f5b7358c33a6b1834dc2b318de209f31 (patch)
tree0ceb9e24b3f54cb5c8453fb5a218e2a94a0f1cce /arch/mn10300/unit-asb2305
parent2764fb4244cc1bc08df3667924ca4a972e90ac70 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
The SmartMedia FTL code depends on new kfifo bits from 2.6.33
Diffstat (limited to 'arch/mn10300/unit-asb2305')
-rw-r--r--arch/mn10300/unit-asb2305/include/unit/serial.h2
-rw-r--r--arch/mn10300/unit-asb2305/include/unit/timex.h2
-rw-r--r--arch/mn10300/unit-asb2305/leds.c4
-rw-r--r--arch/mn10300/unit-asb2305/pci-asb2305.c39
-rw-r--r--arch/mn10300/unit-asb2305/pci-asb2305.h1
-rw-r--r--arch/mn10300/unit-asb2305/pci.c62
-rw-r--r--arch/mn10300/unit-asb2305/unit-init.c5
7 files changed, 44 insertions, 71 deletions
diff --git a/arch/mn10300/unit-asb2305/include/unit/serial.h b/arch/mn10300/unit-asb2305/include/unit/serial.h
index 3bfc90938787..8086cc092cec 100644
--- a/arch/mn10300/unit-asb2305/include/unit/serial.h
+++ b/arch/mn10300/unit-asb2305/include/unit/serial.h
@@ -11,7 +11,7 @@
11#ifndef _ASM_UNIT_SERIAL_H 11#ifndef _ASM_UNIT_SERIAL_H
12#define _ASM_UNIT_SERIAL_H 12#define _ASM_UNIT_SERIAL_H
13 13
14#include <asm/cpu/cpu-regs.h> 14#include <asm/cpu-regs.h>
15#include <proc/irq.h> 15#include <proc/irq.h>
16#include <linux/serial_reg.h> 16#include <linux/serial_reg.h>
17 17
diff --git a/arch/mn10300/unit-asb2305/include/unit/timex.h b/arch/mn10300/unit-asb2305/include/unit/timex.h
index a71c49aa85eb..d1c72d59fa9f 100644
--- a/arch/mn10300/unit-asb2305/include/unit/timex.h
+++ b/arch/mn10300/unit-asb2305/include/unit/timex.h
@@ -15,7 +15,7 @@
15#include <linux/irq.h> 15#include <linux/irq.h>
16#endif /* __ASSEMBLY__ */ 16#endif /* __ASSEMBLY__ */
17 17
18#include <asm/cpu/timer-regs.h> 18#include <asm/timer-regs.h>
19#include <unit/clock.h> 19#include <unit/clock.h>
20 20
21/* 21/*
diff --git a/arch/mn10300/unit-asb2305/leds.c b/arch/mn10300/unit-asb2305/leds.c
index d345ff9042d5..6f8de9954026 100644
--- a/arch/mn10300/unit-asb2305/leds.c
+++ b/arch/mn10300/unit-asb2305/leds.c
@@ -13,8 +13,8 @@
13#include <linux/init.h> 13#include <linux/init.h>
14#include <asm/io.h> 14#include <asm/io.h>
15#include <asm/processor.h> 15#include <asm/processor.h>
16#include <asm/cpu/intctl-regs.h> 16#include <asm/intctl-regs.h>
17#include <asm/cpu/rtc-regs.h> 17#include <asm/rtc-regs.h>
18#include <unit/leds.h> 18#include <unit/leds.h>
19 19
20static const u8 asb2305_led_hex_tbl[16] = { 20static const u8 asb2305_led_hex_tbl[16] = {
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c
index d100ca788468..78cd134ddf7d 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.c
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.c
@@ -218,45 +218,6 @@ void __init pcibios_resource_survey(void)
218 pcibios_allocate_resources(1); 218 pcibios_allocate_resources(1);
219} 219}
220 220
221int pcibios_enable_resources(struct pci_dev *dev, int mask)
222{
223 u16 cmd, old_cmd;
224 int idx;
225 struct resource *r;
226
227 pci_read_config_word(dev, PCI_COMMAND, &cmd);
228 old_cmd = cmd;
229
230 for (idx = 0; idx < 6; idx++) {
231 /* Only set up the requested stuff */
232 if (!(mask & (1 << idx)))
233 continue;
234
235 r = &dev->resource[idx];
236
237 if (!r->start && r->end) {
238 printk(KERN_ERR
239 "PCI: Device %s not available because of"
240 " resource collisions\n",
241 pci_name(dev));
242 return -EINVAL;
243 }
244
245 if (r->flags & IORESOURCE_IO)
246 cmd |= PCI_COMMAND_IO;
247 if (r->flags & IORESOURCE_MEM)
248 cmd |= PCI_COMMAND_MEMORY;
249 }
250
251 if (dev->resource[PCI_ROM_RESOURCE].start)
252 cmd |= PCI_COMMAND_MEMORY;
253
254 if (cmd != old_cmd)
255 pci_write_config_word(dev, PCI_COMMAND, cmd);
256
257 return 0;
258}
259
260/* 221/*
261 * If we set up a device for bus mastering, we need to check the latency 222 * If we set up a device for bus mastering, we need to check the latency
262 * timer as certain crappy BIOSes forget to set it properly. 223 * timer as certain crappy BIOSes forget to set it properly.
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.h b/arch/mn10300/unit-asb2305/pci-asb2305.h
index 9763d1ce343a..c3fa294b6e28 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.h
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.h
@@ -34,7 +34,6 @@ extern unsigned int pci_probe;
34extern unsigned int pcibios_max_latency; 34extern unsigned int pcibios_max_latency;
35 35
36extern void pcibios_resource_survey(void); 36extern void pcibios_resource_survey(void);
37extern int pcibios_enable_resources(struct pci_dev *dev, int mask);
38 37
39/* pci.c */ 38/* pci.c */
40 39
diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c
index 07dbbcda3b2e..2cb7e75ba1c0 100644
--- a/arch/mn10300/unit-asb2305/pci.c
+++ b/arch/mn10300/unit-asb2305/pci.c
@@ -27,6 +27,29 @@ struct pci_bus *pci_root_bus;
27struct pci_ops *pci_root_ops; 27struct pci_ops *pci_root_ops;
28 28
29/* 29/*
30 * The accessible PCI window does not cover the entire CPU address space, but
31 * there are devices we want to access outside of that window, so we need to
32 * insert specific PCI bus resources instead of using the platform-level bus
33 * resources directly for the PCI root bus.
34 *
35 * These are configured and inserted by pcibios_init() and are attached to the
36 * root bus by pcibios_fixup_bus().
37 */
38static struct resource pci_ioport_resource = {
39 .name = "PCI IO",
40 .start = 0xbe000000,
41 .end = 0xbe03ffff,
42 .flags = IORESOURCE_IO,
43};
44
45static struct resource pci_iomem_resource = {
46 .name = "PCI mem",
47 .start = 0xb8000000,
48 .end = 0xbbffffff,
49 .flags = IORESOURCE_MEM,
50};
51
52/*
30 * Functions for accessing PCI configuration space 53 * Functions for accessing PCI configuration space
31 */ 54 */
32 55
@@ -279,7 +302,7 @@ static int __init pci_sanity_check(struct pci_ops *o)
279 (x == PCI_VENDOR_ID_INTEL || x == PCI_VENDOR_ID_COMPAQ))) 302 (x == PCI_VENDOR_ID_INTEL || x == PCI_VENDOR_ID_COMPAQ)))
280 return 1; 303 return 1;
281 304
282 printk(KERN_ERROR "PCI: Sanity check failed\n"); 305 printk(KERN_ERR "PCI: Sanity check failed\n");
283 return 0; 306 return 0;
284} 307}
285 308
@@ -297,6 +320,7 @@ static int __init pci_check_direct(void)
297 printk(KERN_INFO "PCI: Using configuration ampci\n"); 320 printk(KERN_INFO "PCI: Using configuration ampci\n");
298 request_mem_region(0xBE040000, 256, "AMPCI bridge"); 321 request_mem_region(0xBE040000, 256, "AMPCI bridge");
299 request_mem_region(0xBFFFFFF4, 12, "PCI ampci"); 322 request_mem_region(0xBFFFFFF4, 12, "PCI ampci");
323 request_mem_region(0xBC000000, 32 * 1024 * 1024, "PCI SRAM");
300 return 0; 324 return 0;
301 } 325 }
302 326
@@ -358,6 +382,11 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
358{ 382{
359 struct pci_dev *dev; 383 struct pci_dev *dev;
360 384
385 if (bus->number == 0) {
386 bus->resource[0] = &pci_ioport_resource;
387 bus->resource[1] = &pci_iomem_resource;
388 }
389
361 if (bus->self) { 390 if (bus->self) {
362 pci_read_bridge_bases(bus); 391 pci_read_bridge_bases(bus);
363 pcibios_fixup_device_resources(bus->self); 392 pcibios_fixup_device_resources(bus->self);
@@ -380,6 +409,11 @@ static int __init pcibios_init(void)
380 iomem_resource.start = 0xA0000000; 409 iomem_resource.start = 0xA0000000;
381 iomem_resource.end = 0xDFFFFFFF; 410 iomem_resource.end = 0xDFFFFFFF;
382 411
412 if (insert_resource(&iomem_resource, &pci_iomem_resource) < 0)
413 panic("Unable to insert PCI IOMEM resource\n");
414 if (insert_resource(&ioport_resource, &pci_ioport_resource) < 0)
415 panic("Unable to insert PCI IOPORT resource\n");
416
383 if (!pci_probe) 417 if (!pci_probe)
384 return 0; 418 return 0;
385 419
@@ -391,32 +425,11 @@ static int __init pcibios_init(void)
391 printk(KERN_INFO "PCI: Probing PCI hardware [mempage %08x]\n", 425 printk(KERN_INFO "PCI: Probing PCI hardware [mempage %08x]\n",
392 MEM_PAGING_REG); 426 MEM_PAGING_REG);
393 427
394 { 428 pci_root_bus = pci_scan_bus(0, &pci_direct_ampci, NULL);
395#if 0
396 static struct pci_bus am33_root_bus = {
397 .children = LIST_HEAD_INIT(am33_root_bus.children),
398 .devices = LIST_HEAD_INIT(am33_root_bus.devices),
399 .number = 0,
400 .secondary = 0,
401 .resource = { &ioport_resource, &iomem_resource },
402 };
403
404 am33_root_bus.ops = pci_root_ops;
405 list_add_tail(&am33_root_bus.node, &pci_root_buses);
406
407 am33_root_bus.subordinate = pci_do_scan_bus(0);
408
409 pci_root_bus = &am33_root_bus;
410#else
411 pci_root_bus = pci_scan_bus(0, &pci_direct_ampci, NULL);
412#endif
413 }
414 429
415 pcibios_irq_init(); 430 pcibios_irq_init();
416 pcibios_fixup_irqs(); 431 pcibios_fixup_irqs();
417#if 0
418 pcibios_resource_survey(); 432 pcibios_resource_survey();
419#endif
420 return 0; 433 return 0;
421} 434}
422 435
@@ -440,7 +453,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
440{ 453{
441 int err; 454 int err;
442 455
443 err = pcibios_enable_resources(dev, mask); 456 err = pci_enable_resources(dev, mask);
444 if (err == 0) 457 if (err == 0)
445 pcibios_enable_irq(dev); 458 pcibios_enable_irq(dev);
446 return err; 459 return err;
@@ -455,6 +468,7 @@ static void __init unit_disable_pcnet(struct pci_bus *bus, struct pci_ops *o)
455 468
456 bus->number = 0; 469 bus->number = 0;
457 470
471 o->read (bus, PCI_DEVFN(2, 0), PCI_VENDOR_ID, 4, &x);
458 o->read (bus, PCI_DEVFN(2, 0), PCI_COMMAND, 2, &x); 472 o->read (bus, PCI_DEVFN(2, 0), PCI_COMMAND, 2, &x);
459 x |= PCI_COMMAND_MASTER | 473 x |= PCI_COMMAND_MASTER |
460 PCI_COMMAND_IO | PCI_COMMAND_MEMORY | 474 PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
diff --git a/arch/mn10300/unit-asb2305/unit-init.c b/arch/mn10300/unit-asb2305/unit-init.c
index 1c452cc3f6e9..a76c8e0ab90f 100644
--- a/arch/mn10300/unit-asb2305/unit-init.c
+++ b/arch/mn10300/unit-asb2305/unit-init.c
@@ -15,9 +15,8 @@
15#include <asm/io.h> 15#include <asm/io.h>
16#include <asm/setup.h> 16#include <asm/setup.h>
17#include <asm/processor.h> 17#include <asm/processor.h>
18#include <asm/cpu/intctl-regs.h> 18#include <asm/intctl-regs.h>
19#include <asm/cpu/rtc-regs.h> 19#include <asm/serial-regs.h>
20#include <asm/cpu/serial-regs.h>
21#include <unit/serial.h> 20#include <unit/serial.h>
22 21
23/* 22/*