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-rw-r--r--arch/microblaze/pci/pci-common.c20
-rw-r--r--arch/powerpc/kernel/pci-common.c20
-rw-r--r--arch/s390/include/asm/pci.h6
-rw-r--r--arch/s390/pci/pci.c6
-rw-r--r--arch/s390/pci/pci_sysfs.c44
-rw-r--r--arch/sh/drivers/pci/fixups-dreamcast.c18
-rw-r--r--arch/x86/kernel/aperture_64.c59
-rw-r--r--arch/x86/pci/broadcom_bus.c4
-rw-r--r--arch/x86/pci/fixup.c14
-rw-r--r--arch/x86/pci/i386.c27
10 files changed, 94 insertions, 124 deletions
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 70996cc66aa..a59de1bc1ce 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -168,26 +168,6 @@ struct pci_controller *pci_find_hose_for_OF_device(struct device_node *node)
return NULL;
}
-static ssize_t pci_show_devspec(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct pci_dev *pdev;
- struct device_node *np;
-
- pdev = to_pci_dev(dev);
- np = pci_device_to_OF_node(pdev);
- if (np == NULL || np->full_name == NULL)
- return 0;
- return sprintf(buf, "%s", np->full_name);
-}
-static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL);
-
-/* Add sysfs properties */
-int pcibios_add_platform_entries(struct pci_dev *pdev)
-{
- return device_create_file(&pdev->dev, &dev_attr_devspec);
-}
-
void pcibios_set_master(struct pci_dev *dev)
{
/* No special bus mastering setup handling */
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index d9476c1fc95..24d342e9179 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -201,26 +201,6 @@ struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node)
return NULL;
}
-static ssize_t pci_show_devspec(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct pci_dev *pdev;
- struct device_node *np;
-
- pdev = to_pci_dev (dev);
- np = pci_device_to_OF_node(pdev);
- if (np == NULL || np->full_name == NULL)
- return 0;
- return sprintf(buf, "%s", np->full_name);
-}
-static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL);
-
-/* Add sysfs properties */
-int pcibios_add_platform_entries(struct pci_dev *pdev)
-{
- return device_create_file(&pdev->dev, &dev_attr_devspec);
-}
-
/*
* Reads the interrupt pin to determine if interrupt is use by card.
* If the interrupt is used, then gets the interrupt line from the
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 2583466f576..79b5f0783a3 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -120,6 +120,8 @@ static inline bool zdev_enabled(struct zpci_dev *zdev)
return (zdev->fh & (1UL << 31)) ? true : false;
}
+extern const struct attribute_group *zpci_attr_groups[];
+
/* -----------------------------------------------------------------------------
Prototypes
----------------------------------------------------------------------------- */
@@ -166,10 +168,6 @@ static inline void zpci_exit_slot(struct zpci_dev *zdev) {}
struct zpci_dev *get_zdev(struct pci_dev *);
struct zpci_dev *get_zdev_by_fid(u32);
-/* sysfs */
-int zpci_sysfs_add_device(struct device *);
-void zpci_sysfs_remove_device(struct device *);
-
/* DMA */
int zpci_dma_init(void);
void zpci_dma_exit(void);
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 1df1d29ac81..bdf02570d1d 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -530,11 +530,6 @@ static void zpci_unmap_resources(struct zpci_dev *zdev)
}
}
-int pcibios_add_platform_entries(struct pci_dev *pdev)
-{
- return zpci_sysfs_add_device(&pdev->dev);
-}
-
static int __init zpci_irq_init(void)
{
int rc;
@@ -671,6 +666,7 @@ int pcibios_add_device(struct pci_dev *pdev)
int i;
zdev->pdev = pdev;
+ pdev->dev.groups = zpci_attr_groups;
zpci_map_resources(zdev);
for (i = 0; i < PCI_BAR_COUNT; i++) {
diff --git a/arch/s390/pci/pci_sysfs.c b/arch/s390/pci/pci_sysfs.c
index ab4a9139300..b56a3958f1a 100644
--- a/arch/s390/pci/pci_sysfs.c
+++ b/arch/s390/pci/pci_sysfs.c
@@ -72,36 +72,18 @@ static ssize_t store_recover(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR(recover, S_IWUSR, NULL, store_recover);
-static struct device_attribute *zpci_dev_attrs[] = {
- &dev_attr_function_id,
- &dev_attr_function_handle,
- &dev_attr_pchid,
- &dev_attr_pfgid,
- &dev_attr_recover,
+static struct attribute *zpci_dev_attrs[] = {
+ &dev_attr_function_id.attr,
+ &dev_attr_function_handle.attr,
+ &dev_attr_pchid.attr,
+ &dev_attr_pfgid.attr,
+ &dev_attr_recover.attr,
+ NULL,
+};
+static struct attribute_group zpci_attr_group = {
+ .attrs = zpci_dev_attrs,
+};
+const struct attribute_group *zpci_attr_groups[] = {
+ &zpci_attr_group,
NULL,
};
-
-int zpci_sysfs_add_device(struct device *dev)
-{
- int i, rc = 0;
-
- for (i = 0; zpci_dev_attrs[i]; i++) {
- rc = device_create_file(dev, zpci_dev_attrs[i]);
- if (rc)
- goto error;
- }
- return 0;
-
-error:
- while (--i >= 0)
- device_remove_file(dev, zpci_dev_attrs[i]);
- return rc;
-}
-
-void zpci_sysfs_remove_device(struct device *dev)
-{
- int i;
-
- for (i = 0; zpci_dev_attrs[i]; i++)
- device_remove_file(dev, zpci_dev_attrs[i]);
-}
diff --git a/arch/sh/drivers/pci/fixups-dreamcast.c b/arch/sh/drivers/pci/fixups-dreamcast.c
index d6cde700e31..1d1c5a227e5 100644
--- a/arch/sh/drivers/pci/fixups-dreamcast.c
+++ b/arch/sh/drivers/pci/fixups-dreamcast.c
@@ -31,6 +31,8 @@
static void gapspci_fixup_resources(struct pci_dev *dev)
{
struct pci_channel *p = dev->sysdata;
+ struct resource res;
+ struct pci_bus_region region;
printk(KERN_NOTICE "PCI: Fixing up device %s\n", pci_name(dev));
@@ -50,11 +52,21 @@ static void gapspci_fixup_resources(struct pci_dev *dev)
/*
* Redirect dma memory allocations to special memory window.
+ *
+ * If this GAPSPCI region were mapped by a BAR, the CPU
+ * phys_addr_t would be pci_resource_start(), and the bus
+ * address would be pci_bus_address(pci_resource_start()).
+ * But apparently there's no BAR mapping it, so we just
+ * "know" its CPU address is GAPSPCI_DMA_BASE.
*/
+ res.start = GAPSPCI_DMA_BASE;
+ res.end = GAPSPCI_DMA_BASE + GAPSPCI_DMA_SIZE - 1;
+ res.flags = IORESOURCE_MEM;
+ pcibios_resource_to_bus(dev->bus, &region, &res);
BUG_ON(!dma_declare_coherent_memory(&dev->dev,
- GAPSPCI_DMA_BASE,
- GAPSPCI_DMA_BASE,
- GAPSPCI_DMA_SIZE,
+ res.start,
+ region.start,
+ resource_size(&res),
DMA_MEMORY_MAP |
DMA_MEMORY_EXCLUSIVE));
break;
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 9fa8aa051f5..76164e173a2 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -10,6 +10,8 @@
*
* Copyright 2002 Andi Kleen, SuSE Labs.
*/
+#define pr_fmt(fmt) "AGP: " fmt
+
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
@@ -75,14 +77,13 @@ static u32 __init allocate_aperture(void)
addr = memblock_find_in_range(GART_MIN_ADDR, GART_MAX_ADDR,
aper_size, aper_size);
if (!addr) {
- printk(KERN_ERR
- "Cannot allocate aperture memory hole (%lx,%uK)\n",
- addr, aper_size>>10);
+ pr_err("Cannot allocate aperture memory hole [mem %#010lx-%#010lx] (%uKB)\n",
+ addr, addr + aper_size - 1, aper_size >> 10);
return 0;
}
memblock_reserve(addr, aper_size);
- printk(KERN_INFO "Mapping aperture over %d KB of RAM @ %lx\n",
- aper_size >> 10, addr);
+ pr_info("Mapping aperture over RAM [mem %#010lx-%#010lx] (%uKB)\n",
+ addr, addr + aper_size - 1, aper_size >> 10);
register_nosave_region(addr >> PAGE_SHIFT,
(addr+aper_size) >> PAGE_SHIFT);
@@ -126,10 +127,11 @@ static u32 __init read_agp(int bus, int slot, int func, int cap, u32 *order)
u64 aper;
u32 old_order;
- printk(KERN_INFO "AGP bridge at %02x:%02x:%02x\n", bus, slot, func);
+ pr_info("pci 0000:%02x:%02x:%02x: AGP bridge\n", bus, slot, func);
apsizereg = read_pci_config_16(bus, slot, func, cap + 0x14);
if (apsizereg == 0xffffffff) {
- printk(KERN_ERR "APSIZE in AGP bridge unreadable\n");
+ pr_err("pci 0000:%02x:%02x.%d: APSIZE unreadable\n",
+ bus, slot, func);
return 0;
}
@@ -153,16 +155,18 @@ static u32 __init read_agp(int bus, int slot, int func, int cap, u32 *order)
* On some sick chips, APSIZE is 0. It means it wants 4G
* so let double check that order, and lets trust AMD NB settings:
*/
- printk(KERN_INFO "Aperture from AGP @ %Lx old size %u MB\n",
- aper, 32 << old_order);
+ pr_info("pci 0000:%02x:%02x.%d: AGP aperture [bus addr %#010Lx-%#010Lx] (old size %uMB)\n",
+ bus, slot, func, aper, aper + (32ULL << (old_order + 20)) - 1,
+ 32 << old_order);
if (aper + (32ULL<<(20 + *order)) > 0x100000000ULL) {
- printk(KERN_INFO "Aperture size %u MB (APSIZE %x) is not right, using settings from NB\n",
- 32 << *order, apsizereg);
+ pr_info("pci 0000:%02x:%02x.%d: AGP aperture size %uMB (APSIZE %#x) is not right, using settings from NB\n",
+ bus, slot, func, 32 << *order, apsizereg);
*order = old_order;
}
- printk(KERN_INFO "Aperture from AGP @ %Lx size %u MB (APSIZE %x)\n",
- aper, 32 << *order, apsizereg);
+ pr_info("pci 0000:%02x:%02x.%d: AGP aperture [bus addr %#010Lx-%#010Lx] (%uMB, APSIZE %#x)\n",
+ bus, slot, func, aper, aper + (32ULL << (*order + 20)) - 1,
+ 32 << *order, apsizereg);
if (!aperture_valid(aper, (32*1024*1024) << *order, 32<<20))
return 0;
@@ -218,7 +222,7 @@ static u32 __init search_agp_bridge(u32 *order, int *valid_agp)
}
}
}
- printk(KERN_INFO "No AGP bridge found\n");
+ pr_info("No AGP bridge found\n");
return 0;
}
@@ -310,7 +314,8 @@ void __init early_gart_iommu_check(void)
if (e820_any_mapped(aper_base, aper_base + aper_size,
E820_RAM)) {
/* reserve it, so we can reuse it in second kernel */
- printk(KERN_INFO "update e820 for GART\n");
+ pr_info("e820: reserve [mem %#010Lx-%#010Lx] for GART\n",
+ aper_base, aper_base + aper_size - 1);
e820_add_region(aper_base, aper_size, E820_RESERVED);
update_e820();
}
@@ -354,7 +359,7 @@ int __init gart_iommu_hole_init(void)
!early_pci_allowed())
return -ENODEV;
- printk(KERN_INFO "Checking aperture...\n");
+ pr_info("Checking aperture...\n");
if (!fallback_aper_force)
agp_aper_base = search_agp_bridge(&agp_aper_order, &valid_agp);
@@ -395,8 +400,9 @@ int __init gart_iommu_hole_init(void)
aper_base = read_pci_config(bus, slot, 3, AMD64_GARTAPERTUREBASE) & 0x7fff;
aper_base <<= 25;
- printk(KERN_INFO "Node %d: aperture @ %Lx size %u MB\n",
- node, aper_base, aper_size >> 20);
+ pr_info("Node %d: aperture [bus addr %#010Lx-%#010Lx] (%uMB)\n",
+ node, aper_base, aper_base + aper_size - 1,
+ aper_size >> 20);
node++;
if (!aperture_valid(aper_base, aper_size, 64<<20)) {
@@ -407,9 +413,9 @@ int __init gart_iommu_hole_init(void)
if (!no_iommu &&
max_pfn > MAX_DMA32_PFN &&
!printed_gart_size_msg) {
- printk(KERN_ERR "you are using iommu with agp, but GART size is less than 64M\n");
- printk(KERN_ERR "please increase GART size in your BIOS setup\n");
- printk(KERN_ERR "if BIOS doesn't have that option, contact your HW vendor!\n");
+ pr_err("you are using iommu with agp, but GART size is less than 64MB\n");
+ pr_err("please increase GART size in your BIOS setup\n");
+ pr_err("if BIOS doesn't have that option, contact your HW vendor!\n");
printed_gart_size_msg = 1;
}
} else {
@@ -446,13 +452,10 @@ out:
force_iommu ||
valid_agp ||
fallback_aper_force) {
- printk(KERN_INFO
- "Your BIOS doesn't leave a aperture memory hole\n");
- printk(KERN_INFO
- "Please enable the IOMMU option in the BIOS setup\n");
- printk(KERN_INFO
- "This costs you %d MB of RAM\n",
- 32 << fallback_aper_order);
+ pr_info("Your BIOS doesn't leave a aperture memory hole\n");
+ pr_info("Please enable the IOMMU option in the BIOS setup\n");
+ pr_info("This costs you %dMB of RAM\n",
+ 32 << fallback_aper_order);
aper_order = fallback_aper_order;
aper_alloc = allocate_aperture();
diff --git a/arch/x86/pci/broadcom_bus.c b/arch/x86/pci/broadcom_bus.c
index 614392ced7d..bb461cfd01a 100644
--- a/arch/x86/pci/broadcom_bus.c
+++ b/arch/x86/pci/broadcom_bus.c
@@ -60,8 +60,8 @@ static void __init cnb20le_res(u8 bus, u8 slot, u8 func)
word1 = read_pci_config_16(bus, slot, func, 0xc4);
word2 = read_pci_config_16(bus, slot, func, 0xc6);
if (word1 != word2) {
- res.start = (word1 << 16) | 0x0000;
- res.end = (word2 << 16) | 0xffff;
+ res.start = ((resource_size_t) word1 << 16) | 0x0000;
+ res.end = ((resource_size_t) word2 << 16) | 0xffff;
res.flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
update_res(info, res.start, res.end, res.flags, 0);
}
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index 94ae9ae9574..ef334a003f3 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -6,6 +6,7 @@
#include <linux/dmi.h>
#include <linux/pci.h>
#include <linux/vgaarb.h>
+#include <asm/hpet.h>
#include <asm/pci_x86.h>
static void pci_fixup_i450nx(struct pci_dev *d)
@@ -526,6 +527,19 @@ static void sb600_disable_hpet_bar(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATI, 0x4385, sb600_disable_hpet_bar);
+#ifdef CONFIG_HPET_TIMER
+static void sb600_hpet_quirk(struct pci_dev *dev)
+{
+ struct resource *r = &dev->resource[1];
+
+ if (r->flags & IORESOURCE_MEM && r->start == hpet_address) {
+ r->flags |= IORESOURCE_PCI_FIXED;
+ dev_info(&dev->dev, "reg 0x14 contains HPET; making it immovable\n");
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, 0x4385, sb600_hpet_quirk);
+#endif
+
/*
* Twinhead H12Y needs us to block out a region otherwise we map devices
* there and any access kills the box.
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index db6b1ab4325..a19ed92e74e 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -271,11 +271,16 @@ static void pcibios_allocate_dev_resources(struct pci_dev *dev, int pass)
"BAR %d: reserving %pr (d=%d, p=%d)\n",
idx, r, disabled, pass);
if (pci_claim_resource(dev, idx) < 0) {
- /* We'll assign a new address later */
- pcibios_save_fw_addr(dev,
- idx, r->start);
- r->end -= r->start;
- r->start = 0;
+ if (r->flags & IORESOURCE_PCI_FIXED) {
+ dev_info(&dev->dev, "BAR %d %pR is immovable\n",
+ idx, r);
+ } else {
+ /* We'll assign a new address later */
+ pcibios_save_fw_addr(dev,
+ idx, r->start);
+ r->end -= r->start;
+ r->start = 0;
+ }
}
}
}
@@ -356,6 +361,12 @@ static int __init pcibios_assign_resources(void)
return 0;
}
+/**
+ * called in fs_initcall (one below subsys_initcall),
+ * give a chance for motherboard reserve resources
+ */
+fs_initcall(pcibios_assign_resources);
+
void pcibios_resource_survey_bus(struct pci_bus *bus)
{
dev_printk(KERN_DEBUG, &bus->dev, "Allocating resources\n");
@@ -392,12 +403,6 @@ void __init pcibios_resource_survey(void)
ioapic_insert_resources();
}
-/**
- * called in fs_initcall (one below subsys_initcall),
- * give a chance for motherboard reserve resources
- */
-fs_initcall(pcibios_assign_resources);
-
static const struct vm_operations_struct pci_mmap_ops = {
.access = generic_access_phys,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 04:35:52 +0000