Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 56 insertions, 0 deletions

diff --git a/arch/arm/mach-footbridge/personal-pci.c b/arch/arm/mach-footbridge/personal-pci.c
new file mode 100644
index 000000000000..d5fca95afdad
--- /dev/null
+++ b/arch/arm/mach-footbridge/personal-pci.c
@@ -0,0 +1,56 @@
+/*
+ * linux/arch/arm/mach-footbridge/personal-pci.c
+ *
+ * PCI bios-type initialisation for PCI machines
+ *
+ * Bits taken from various places.
+ */
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+
+#include <asm/irq.h>
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+static int irqmap_personal_server[] __initdata = {
+        IRQ_IN0, IRQ_IN1, IRQ_IN2, IRQ_IN3, 0, 0, 0,
+        IRQ_DOORBELLHOST, IRQ_DMA1, IRQ_DMA2, IRQ_PCI
+};
+
+static int __init personal_server_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+        unsigned char line;
+
+        pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &line);
+
+        if (line > 0x40 && line <= 0x5f) {
+                /* line corresponds to the bit controlling this interrupt
+                 * in the footbridge.  Ignore the first 8 interrupt bits,
+                 * look up the rest in the map.  IN0 is bit number 8
+                 */
+                return irqmap_personal_server[(line & 0x1f) - 8];
+        } else if (line == 0) {
+                /* no interrupt */
+                return 0;
+        } else
+                return irqmap_personal_server[(line - 1) & 3];
+}
+
+static struct hw_pci personal_server_pci __initdata = {
+        .map_irq                = personal_server_map_irq,
+        .nr_controllers         = 1,
+        .setup                  = dc21285_setup,
+        .scan                   = dc21285_scan_bus,
+        .preinit                = dc21285_preinit,
+        .postinit               = dc21285_postinit,
+};
+
+static int __init personal_pci_init(void)
+{
+        if (machine_is_personal_server())
+                pci_common_init(&personal_server_pci);
+        return 0;
+}
+
+subsys_initcall(personal_pci_init);