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authorH. Peter Anvin <hpa@linux.intel.com>2013-01-29 22:59:09 (GMT)
committerH. Peter Anvin <hpa@linux.intel.com>2013-01-29 23:10:15 (GMT)
commitde65d816aa44f9ddd79861ae21d75010cc1fd003 (patch)
tree04a637a43b2e52a733d0dcb7595a47057571e7da /arch/mips/pci/pci-xlr.c
parent9710f581bb4c35589ac046b0cfc0deb7f369fc85 (diff)
parent5dcd14ecd41ea2b3ae3295a9b30d98769d52165f (diff)
downloadlinux-fsl-qoriq-de65d816aa44f9ddd79861ae21d75010cc1fd003.tar.xz
Merge remote-tracking branch 'origin/x86/boot' into x86/mm2
Coming patches to x86/mm2 require the changes and advanced baseline in x86/boot. Resolved Conflicts: arch/x86/kernel/setup.c mm/nobootmem.c Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/mips/pci/pci-xlr.c')
-rw-r--r--arch/mips/pci/pci-xlr.c69
1 files changed, 34 insertions, 35 deletions
diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c
index 18af021..0c18ccc 100644
--- a/arch/mips/pci/pci-xlr.c
+++ b/arch/mips/pci/pci-xlr.c
@@ -47,6 +47,7 @@
#include <asm/netlogic/interrupt.h>
#include <asm/netlogic/haldefs.h>
+#include <asm/netlogic/common.h>
#include <asm/netlogic/xlr/msidef.h>
#include <asm/netlogic/xlr/iomap.h>
@@ -174,22 +175,9 @@ static struct pci_dev *xls_get_pcie_link(const struct pci_dev *dev)
return p ? bus->self : NULL;
}
-static int get_irq_vector(const struct pci_dev *dev)
+static int nlm_pci_link_to_irq(int link)
{
- struct pci_dev *lnk;
-
- if (!nlm_chip_is_xls())
- return PIC_PCIX_IRQ; /* for XLR just one IRQ */
-
- /*
- * For XLS PCIe, there is an IRQ per Link, find out which
- * link the device is on to assign interrupts
- */
- lnk = xls_get_pcie_link(dev);
- if (lnk == NULL)
- return 0;
-
- switch (PCI_SLOT(lnk->devfn)) {
+ switch (link) {
case 0:
return PIC_PCIE_LINK0_IRQ;
case 1:
@@ -205,10 +193,26 @@ static int get_irq_vector(const struct pci_dev *dev)
else
return PIC_PCIE_LINK3_IRQ;
}
- WARN(1, "Unexpected devfn %d\n", lnk->devfn);
+ WARN(1, "Unexpected link %d\n", link);
return 0;
}
+static int get_irq_vector(const struct pci_dev *dev)
+{
+ struct pci_dev *lnk;
+ int link;
+
+ if (!nlm_chip_is_xls())
+ return PIC_PCIX_IRQ; /* for XLR just one IRQ */
+
+ lnk = xls_get_pcie_link(dev);
+ if (lnk == NULL)
+ return 0;
+
+ link = PCI_SLOT(lnk->devfn);
+ return nlm_pci_link_to_irq(link);
+}
+
#ifdef CONFIG_PCI_MSI
void destroy_irq(unsigned int irq)
{
@@ -332,6 +336,9 @@ int pcibios_plat_dev_init(struct pci_dev *dev)
static int __init pcibios_init(void)
{
+ void (*extra_ack)(struct irq_data *);
+ int link, irq;
+
/* PSB assigns PCI resources */
pci_set_flags(PCI_PROBE_ONLY);
pci_config_base = ioremap(DEFAULT_PCI_CONFIG_BASE, 16 << 20);
@@ -350,27 +357,19 @@ static int __init pcibios_init(void)
* For PCI interrupts, we need to ack the PCI controller too, overload
* irq handler data to do this
*/
- if (nlm_chip_is_xls()) {
- if (nlm_chip_is_xls_b()) {
- irq_set_handler_data(PIC_PCIE_LINK0_IRQ,
- xls_pcie_ack_b);
- irq_set_handler_data(PIC_PCIE_LINK1_IRQ,
- xls_pcie_ack_b);
- irq_set_handler_data(PIC_PCIE_XLSB0_LINK2_IRQ,
- xls_pcie_ack_b);
- irq_set_handler_data(PIC_PCIE_XLSB0_LINK3_IRQ,
- xls_pcie_ack_b);
- } else {
- irq_set_handler_data(PIC_PCIE_LINK0_IRQ, xls_pcie_ack);
- irq_set_handler_data(PIC_PCIE_LINK1_IRQ, xls_pcie_ack);
- irq_set_handler_data(PIC_PCIE_LINK2_IRQ, xls_pcie_ack);
- irq_set_handler_data(PIC_PCIE_LINK3_IRQ, xls_pcie_ack);
- }
- } else {
+ if (!nlm_chip_is_xls()) {
/* XLR PCI controller ACK */
- irq_set_handler_data(PIC_PCIX_IRQ, xlr_pci_ack);
+ nlm_set_pic_extra_ack(0, PIC_PCIX_IRQ, xlr_pci_ack);
+ } else {
+ if (nlm_chip_is_xls_b())
+ extra_ack = xls_pcie_ack_b;
+ else
+ extra_ack = xls_pcie_ack;
+ for (link = 0; link < 4; link++) {
+ irq = nlm_pci_link_to_irq(link);
+ nlm_set_pic_extra_ack(0, irq, extra_ack);
+ }
}
-
return 0;
}