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authorPatrick McHardy <kaber@trash.net>2013-03-31 18:10:34 +0200
committerPatrick McHardy <kaber@trash.net>2013-03-31 18:10:34 +0200
commit70711d223510ba1773cfe1d7770a56141c815ff8 (patch)
tree4a71f38a3a554ddecaa31b7d8c6bc49b7d1705b4 /arch/arm/kernel/bios32.c
parentd53b4ed072d9779cdf53582c46436dec06d0961f (diff)
parent19f949f52599ba7c3f67a5897ac6be14bfcb1200 (diff)
Merge tag 'v3.8' of /home/kaber/src/repos/linux
Linux 3.8 Signed-off-by: Patrick McHardy <kaber@trash.net> Conflicts: include/linux/Kbuild include/linux/netlink.h
Diffstat (limited to 'arch/arm/kernel/bios32.c')
-rw-r--r--arch/arm/kernel/bios32.c83
1 files changed, 58 insertions, 25 deletions
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 25552508c3f..379cf329239 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -13,6 +13,7 @@
#include <linux/io.h>
#include <asm/mach-types.h>
+#include <asm/mach/map.h>
#include <asm/mach/pci.h>
static int debug_pci;
@@ -77,7 +78,7 @@ void pcibios_report_status(u_int status_mask, int warn)
* Bug 3 is responsible for the sound DMA grinding to a halt. We now
* live with bug 2.
*/
-static void __devinit pci_fixup_83c553(struct pci_dev *dev)
+static void pci_fixup_83c553(struct pci_dev *dev)
{
/*
* Set memory region to start at address 0, and enable IO
@@ -129,7 +130,7 @@ static void __devinit pci_fixup_83c553(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_83C553, pci_fixup_83c553);
-static void __devinit pci_fixup_unassign(struct pci_dev *dev)
+static void pci_fixup_unassign(struct pci_dev *dev)
{
dev->resource[0].end -= dev->resource[0].start;
dev->resource[0].start = 0;
@@ -141,7 +142,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_89C940F,
* if it is the host bridge by marking it as such. These resources are of
* no consequence to the PCI layer (they are handled elsewhere).
*/
-static void __devinit pci_fixup_dec21285(struct pci_dev *dev)
+static void pci_fixup_dec21285(struct pci_dev *dev)
{
int i;
@@ -160,7 +161,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, pci_fixup_d
/*
* PCI IDE controllers use non-standard I/O port decoding, respect it.
*/
-static void __devinit pci_fixup_ide_bases(struct pci_dev *dev)
+static void pci_fixup_ide_bases(struct pci_dev *dev)
{
struct resource *r;
int i;
@@ -181,7 +182,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases);
/*
* Put the DEC21142 to sleep
*/
-static void __devinit pci_fixup_dec21142(struct pci_dev *dev)
+static void pci_fixup_dec21142(struct pci_dev *dev)
{
pci_write_config_dword(dev, 0x40, 0x80000000);
}
@@ -203,7 +204,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142, pci_fixup_d
* functional. However, The CY82C693U _does not work_ in bus
* master mode without locking the PCI bus solid.
*/
-static void __devinit pci_fixup_cy82c693(struct pci_dev *dev)
+static void pci_fixup_cy82c693(struct pci_dev *dev)
{
if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
u32 base0, base1;
@@ -253,7 +254,7 @@ static void __devinit pci_fixup_cy82c693(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, pci_fixup_cy82c693);
-static void __init pci_fixup_it8152(struct pci_dev *dev)
+static void pci_fixup_it8152(struct pci_dev *dev)
{
int i;
/* fixup for ITE 8152 devices */
@@ -270,15 +271,6 @@ static void __init pci_fixup_it8152(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8152, pci_fixup_it8152);
-
-
-void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
-{
- if (debug_pci)
- printk("PCI: Assigning IRQ %02d to %s\n", irq, pci_name(dev));
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
-}
-
/*
* If the bus contains any of these devices, then we must not turn on
* parity checking of any kind. Currently this is CyberPro 20x0 only.
@@ -369,9 +361,7 @@ void pcibios_fixup_bus(struct pci_bus *bus)
printk(KERN_INFO "PCI: bus%d: Fast back to back transfers %sabled\n",
bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" : "dis");
}
-#ifdef CONFIG_HOTPLUG
EXPORT_SYMBOL(pcibios_fixup_bus);
-#endif
/*
* Swizzle the device pin each time we cross a bridge. If a platform does
@@ -388,7 +378,7 @@ EXPORT_SYMBOL(pcibios_fixup_bus);
* PCI standard swizzle is implemented on plug-in cards and Cardbus based
* PCI extenders, so it can not be ignored.
*/
-static u8 __devinit pcibios_swizzle(struct pci_dev *dev, u8 *pin)
+static u8 pcibios_swizzle(struct pci_dev *dev, u8 *pin)
{
struct pci_sys_data *sys = dev->sysdata;
int slot, oldpin = *pin;
@@ -423,6 +413,38 @@ static int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
return irq;
}
+static int __init pcibios_init_resources(int busnr, struct pci_sys_data *sys)
+{
+ int ret;
+ struct pci_host_bridge_window *window;
+
+ if (list_empty(&sys->resources)) {
+ pci_add_resource_offset(&sys->resources,
+ &iomem_resource, sys->mem_offset);
+ }
+
+ list_for_each_entry(window, &sys->resources, list) {
+ if (resource_type(window->res) == IORESOURCE_IO)
+ return 0;
+ }
+
+ sys->io_res.start = (busnr * SZ_64K) ? : pcibios_min_io;
+ sys->io_res.end = (busnr + 1) * SZ_64K - 1;
+ sys->io_res.flags = IORESOURCE_IO;
+ sys->io_res.name = sys->io_res_name;
+ sprintf(sys->io_res_name, "PCI%d I/O", busnr);
+
+ ret = request_resource(&ioport_resource, &sys->io_res);
+ if (ret) {
+ pr_err("PCI: unable to allocate I/O port region (%d)\n", ret);
+ return ret;
+ }
+ pci_add_resource_offset(&sys->resources, &sys->io_res,
+ sys->io_offset);
+
+ return 0;
+}
+
static void __init pcibios_init_hw(struct hw_pci *hw, struct list_head *head)
{
struct pci_sys_data *sys = NULL;
@@ -445,11 +467,10 @@ static void __init pcibios_init_hw(struct hw_pci *hw, struct list_head *head)
ret = hw->setup(nr, sys);
if (ret > 0) {
- if (list_empty(&sys->resources)) {
- pci_add_resource_offset(&sys->resources,
- &ioport_resource, sys->io_offset);
- pci_add_resource_offset(&sys->resources,
- &iomem_resource, sys->mem_offset);
+ ret = pcibios_init_resources(nr, sys);
+ if (ret) {
+ kfree(sys);
+ break;
}
if (hw->scan)
@@ -461,7 +482,7 @@ static void __init pcibios_init_hw(struct hw_pci *hw, struct list_head *head)
if (!sys->bus)
panic("PCI: unable to scan bus!");
- busnr = sys->bus->subordinate + 1;
+ busnr = sys->bus->busn_res.end + 1;
list_add(&sys->node, head);
} else {
@@ -627,3 +648,15 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
return 0;
}
+
+void __init pci_map_io_early(unsigned long pfn)
+{
+ struct map_desc pci_io_desc = {
+ .virtual = PCI_IO_VIRT_BASE,
+ .type = MT_DEVICE,
+ .length = SZ_64K,
+ };
+
+ pci_io_desc.pfn = pfn;
+ iotable_init(&pci_io_desc, 1);
+}