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authorTirumala Marri <tmarri@amcc.com>2009-12-21 22:49:41 +0000
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>2010-05-07 15:07:19 -0400
commite2efc09e52680cecb0ca624e379cb4b4c56157c3 (patch)
treeb32c902a33371e88aea9b62d4159bfa4998a12c6 /arch/powerpc/boot
parent1ed31d6db90d51010545921e59d369d2f92b7ac2 (diff)
downloadlinux-e2efc09e52680cecb0ca624e379cb4b4c56157c3.tar.bz2
powerpc/44x: Adding PCI-E support for PowerPC 460SX based SOC.
Add support for PCI-e on the AMCC 460SX boards Signed-off-by: Tirumala Marri <tmarri@amcc.com> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Diffstat (limited to 'arch/powerpc/boot')
-rw-r--r--arch/powerpc/boot/dts/redwood.dts122
1 files changed, 122 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/redwood.dts b/arch/powerpc/boot/dts/redwood.dts
index d2af32e2bf7a..81636c01d906 100644
--- a/arch/powerpc/boot/dts/redwood.dts
+++ b/arch/powerpc/boot/dts/redwood.dts
@@ -234,10 +234,132 @@
has-inverted-stacr-oc;
has-new-stacr-staopc;
};
+ };
+ PCIE0: pciex@d00000000 {
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex";
+ primary;
+ port = <0x0>; /* port number */
+ reg = <0x0000000d 0x00000000 0x20000000 /* Config space access */
+ 0x0000000c 0x10000000 0x00001000>; /* Registers */
+ dcr-reg = <0x100 0x020>;
+ sdr-base = <0x300>;
+
+ /* Outbound ranges, one memory and one IO,
+ * later cannot be changed
+ */
+ ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000
+ 0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>;
+
+ /* Inbound 2GB range starting at 0 */
+ dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+ /* This drives busses 10 to 0x1f */
+ bus-range = <0x10 0x1f>;
+
+ /* Legacy interrupts (note the weird polarity, the bridge seems
+ * to invert PCIe legacy interrupts).
+ * We are de-swizzling here because the numbers are actually for
+ * port of the root complex virtual P2P bridge. But I want
+ * to avoid putting a node for it in the tree, so the numbers
+ * below are basically de-swizzled numbers.
+ * The real slot is on idsel 0, so the swizzling is 1:1
+ */
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ interrupt-map = <
+ 0x0 0x0 0x0 0x1 &UIC3 0x0 0x4 /* swizzled int A */
+ 0x0 0x0 0x0 0x2 &UIC3 0x1 0x4 /* swizzled int B */
+ 0x0 0x0 0x0 0x3 &UIC3 0x2 0x4 /* swizzled int C */
+ 0x0 0x0 0x0 0x4 &UIC3 0x3 0x4 /* swizzled int D */>;
+ };
+
+ PCIE1: pciex@d20000000 {
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex";
+ primary;
+ port = <0x1>; /* port number */
+ reg = <0x0000000d 0x20000000 0x20000000 /* Config space access */
+ 0x0000000c 0x10001000 0x00001000>; /* Registers */
+ dcr-reg = <0x120 0x020>;
+ sdr-base = <0x340>;
+
+ /* Outbound ranges, one memory and one IO,
+ * later cannot be changed
+ */
+ ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000
+ 0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>;
+
+ /* Inbound 2GB range starting at 0 */
+ dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+ /* This drives busses 10 to 0x1f */
+ bus-range = <0x20 0x2f>;
+
+ /* Legacy interrupts (note the weird polarity, the bridge seems
+ * to invert PCIe legacy interrupts).
+ * We are de-swizzling here because the numbers are actually for
+ * port of the root complex virtual P2P bridge. But I want
+ * to avoid putting a node for it in the tree, so the numbers
+ * below are basically de-swizzled numbers.
+ * The real slot is on idsel 0, so the swizzling is 1:1
+ */
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ interrupt-map = <
+ 0x0 0x0 0x0 0x1 &UIC3 0x4 0x4 /* swizzled int A */
+ 0x0 0x0 0x0 0x2 &UIC3 0x5 0x4 /* swizzled int B */
+ 0x0 0x0 0x0 0x3 &UIC3 0x6 0x4 /* swizzled int C */
+ 0x0 0x0 0x0 0x4 &UIC3 0x7 0x4 /* swizzled int D */>;
+ };
+
+ PCIE2: pciex@d40000000 {
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex";
+ primary;
+ port = <0x2>; /* port number */
+ reg = <0x0000000d 0x40000000 0x20000000 /* Config space access */
+ 0x0000000c 0x10002000 0x00001000>; /* Registers */
+ dcr-reg = <0x140 0x020>;
+ sdr-base = <0x370>;
+
+ /* Outbound ranges, one memory and one IO,
+ * later cannot be changed
+ */
+ ranges = <0x02000000 0x00000000 0x80000000 0x0000000f 0x00000000 0x00000000 0x80000000
+ 0x01000000 0x00000000 0x00000000 0x0000000f 0x80020000 0x00000000 0x00010000>;
+
+ /* Inbound 2GB range starting at 0 */
+ dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+ /* This drives busses 10 to 0x1f */
+ bus-range = <0x30 0x3f>;
+
+ /* Legacy interrupts (note the weird polarity, the bridge seems
+ * to invert PCIe legacy interrupts).
+ * We are de-swizzling here because the numbers are actually for
+ * port of the root complex virtual P2P bridge. But I want
+ * to avoid putting a node for it in the tree, so the numbers
+ * below are basically de-swizzled numbers.
+ * The real slot is on idsel 0, so the swizzling is 1:1
+ */
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ interrupt-map = <
+ 0x0 0x0 0x0 0x1 &UIC3 0x8 0x4 /* swizzled int A */
+ 0x0 0x0 0x0 0x2 &UIC3 0x9 0x4 /* swizzled int B */
+ 0x0 0x0 0x0 0x3 &UIC3 0xa 0x4 /* swizzled int C */
+ 0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>;
};
};
+
chosen {
linux,stdout-path = "/plb/opb/serial@ef600200";
};