#include <asm/sn/intr.h>
#include <asm/sn/sn0/hub.h>
+/*
+ * Most of the IOC3 PCI config register aren't present
+ * we emulate what is needed for a normal PCI enumeration
+ */
+static u32 emulate_ioc3_cfg(int where, int size)
+{
+ if (size == 1 && where == 0x3d)
+ return 0x01;
+ else if (size == 2 && where == 0x3c)
+ return 0x0100;
+ else if (size == 4 && where == 0x3c)
+ return 0x00000100;
+
+ return 0;
+}
+
/*
* The Bridge ASIC supports both type 0 and type 1 access. Type 1 is
* not really documented, so right now I can't write code which uses it.
return PCIBIOS_DEVICE_NOT_FOUND;
/*
- * IOC3 is fucked fucked beyond believe ... Don't even give the
+ * IOC3 is fucking fucked beyond belief ... Don't even give the
* generic PCI code a chance to look at it for real ...
*/
if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
oh_my_gawd:
/*
- * IOC3 is fucked fucked beyond believe ... Don't even give the
+ * IOC3 is fucking fucked beyond belief ... Don't even give the
* generic PCI code a chance to look at the wrong register.
*/
if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) {
- *value = 0;
+ *value = emulate_ioc3_cfg(where, size);
return PCIBIOS_SUCCESSFUL;
}
/*
- * IOC3 is fucked fucked beyond believe ... Don't try to access
+ * IOC3 is fucking fucked beyond belief ... Don't try to access
* anything but 32-bit words ...
*/
addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];
return PCIBIOS_DEVICE_NOT_FOUND;
/*
- * IOC3 is fucked fucked beyond believe ... Don't even give the
+ * IOC3 is fucking fucked beyond belief ... Don't even give the
* generic PCI code a chance to look at it for real ...
*/
if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
oh_my_gawd:
/*
- * IOC3 is fucked fucked beyond believe ... Don't even give the
+ * IOC3 is fucking fucked beyond belief ... Don't even give the
* generic PCI code a chance to look at the wrong register.
*/
if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) {
- *value = 0;
+ *value = emulate_ioc3_cfg(where, size);
return PCIBIOS_SUCCESSFUL;
}
/*
- * IOC3 is fucked fucked beyond believe ... Don't try to access
+ * IOC3 is fucking fucked beyond belief ... Don't try to access
* anything but 32-bit words ...
*/
bridge->b_pci_cfg = (busno << 16) | (slot << 11);
return PCIBIOS_DEVICE_NOT_FOUND;
/*
- * IOC3 is fucked fucked beyond believe ... Don't even give the
+ * IOC3 is fucking fucked beyond belief ... Don't even give the
* generic PCI code a chance to look at it for real ...
*/
if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
oh_my_gawd:
/*
- * IOC3 is fucked fucked beyond believe ... Don't even give the
+ * IOC3 is fucking fucked beyond belief ... Don't even give the
* generic PCI code a chance to touch the wrong register.
*/
if ((where >= 0x14 && where < 0x40) || (where >= 0x48))
return PCIBIOS_SUCCESSFUL;
/*
- * IOC3 is fucked fucked beyond believe ... Don't try to access
+ * IOC3 is fucking fucked beyond belief ... Don't try to access
* anything but 32-bit words ...
*/
addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];
return PCIBIOS_DEVICE_NOT_FOUND;
/*
- * IOC3 is fucked fucked beyond believe ... Don't even give the
+ * IOC3 is fucking fucked beyond belief ... Don't even give the
* generic PCI code a chance to look at it for real ...
*/
if (cf == (PCI_VENDOR_ID_SGI | (PCI_DEVICE_ID_SGI_IOC3 << 16)))
oh_my_gawd:
/*
- * IOC3 is fucked fucked beyond believe ... Don't even give the
+ * IOC3 is fucking fucked beyond belief ... Don't even give the
* generic PCI code a chance to touch the wrong register.
*/
if ((where >= 0x14 && where < 0x40) || (where >= 0x48))
return PCIBIOS_SUCCESSFUL;
/*
- * IOC3 is fucked fucked beyond believe ... Don't try to access
+ * IOC3 is fucking fucked beyond belief ... Don't try to access
* anything but 32-bit words ...
*/
addr = &bridge->b_type0_cfg_dev[slot].f[fn].l[where >> 2];