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authorDaniel Hellstrom <daniel@gaisler.com>2013-03-04 00:24:27 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-20 11:06:53 -0700
commitaa90b6943570bd92c7f070f987d072cefa029626 (patch)
treeeaaac464212c3142fe1d63b221291630b5d08427
parent2ffdd7e23cde5a8b94d41ec0adfdd58cffe67f3a (diff)
downloadop-kernel-dev-aa90b6943570bd92c7f070f987d072cefa029626.zip
op-kernel-dev-aa90b6943570bd92c7f070f987d072cefa029626.tar.gz
sparc32,leon: add support for PCI busn resource for GRPCI2
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc/include/asm/leon_pci.h1
-rw-r--r--arch/sparc/kernel/leon_pci.c2
-rw-r--r--arch/sparc/kernel/leon_pci_grpci2.c5
3 files changed, 8 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h
index f48527e..bfd3ab3 100644
--- a/arch/sparc/include/asm/leon_pci.h
+++ b/arch/sparc/include/asm/leon_pci.h
@@ -12,6 +12,7 @@ struct leon_pci_info {
struct pci_ops *ops;
struct resource io_space;
struct resource mem_space;
+ struct resource busn;
int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
};
diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c
index 852dc84..88aaaa5 100644
--- a/arch/sparc/kernel/leon_pci.c
+++ b/arch/sparc/kernel/leon_pci.c
@@ -29,6 +29,8 @@ void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info)
pci_add_resource_offset(&resources, &info->io_space,
info->io_space.start - 0x1000);
pci_add_resource(&resources, &info->mem_space);
+ info->busn.flags = IORESOURCE_BUS;
+ pci_add_resource(&resources, &info->busn);
root_bus = pci_scan_root_bus(&ofdev->dev, 0, info->ops, info,
&resources);
diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
index 4d14871..5f0402a 100644
--- a/arch/sparc/kernel/leon_pci_grpci2.c
+++ b/arch/sparc/kernel/leon_pci_grpci2.c
@@ -799,6 +799,11 @@ static int grpci2_of_probe(struct platform_device *ofdev)
if (request_resource(&ioport_resource, &priv->info.io_space) < 0)
goto err4;
+ /* setup maximum supported PCI buses */
+ priv->info.busn.name = "GRPCI2 busn";
+ priv->info.busn.start = 0;
+ priv->info.busn.end = 255;
+
grpci2_hw_init(priv);
/*
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