ChangeSet 1.757.30.32, 2002/12/02 15:37:10-02:00, alan @ lxorguk.ukuu.org.uk

[PATCH] PATCH: reserve some I/O ports on the ATI radeon IGP

Otherwise reading these causes an MCE
# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
#	           ChangeSet	1.757.30.31 -> 1.757.30.32
#	drivers/pci/quirks.c	1.17    -> 1.18   
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/12/02	alan@lxorguk.ukuu.org.uk	1.757.30.32
# [PATCH] PATCH: reserve some I/O ports on the ATI radeon IGP
# 
# Otherwise reading these causes an MCE
# --------------------------------------------
#
diff -Nru a/drivers/pci/quirks.c b/drivers/pci/quirks.c
--- a/drivers/pci/quirks.c	Tue Dec 10 10:33:09 2002
+++ b/drivers/pci/quirks.c	Tue Dec 10 10:33:09 2002
@@ -227,6 +227,19 @@
 }	
 
 /*
+ *	ATI Northbridge setups MCE the processor if you even
+ *	read somewhere between 0x3b0->0x3bb or read 0x3d3
+ */
+ 
+static void __devinit quirk_ati_exploding_mce(struct pci_dev *dev)
+{
+	printk(KERN_INFO "ATI Northbridge, reserving I/O ports 0x3b0 to 0x3bb.\n");
+	/* Mae rhaid in i beidio a edrych ar y lleoliad I/O hyn */
+	request_region(0x3b0, 0x0C, "RadeonIGP");
+	request_region(0x3d3, 0x01, "RadeonIGP");
+}
+
+/*
  * Let's make the southbridge information explicit instead
  * of having to worry about people probing the ACPI areas,
  * for example.. (Yes, it happens, and if you read the wrong
@@ -565,6 +578,7 @@
 
 	{ PCI_FIXUP_FINAL, 	PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7410,	quirk_amd_ioapic },
 	{ PCI_FIXUP_FINAL,	PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_FE_GATE_700C, quirk_amd_ordering },
+	{ PCI_FIXUP_FINAL,	PCI_VENDOR_ID_ATI,	PCI_DEVICE_ID_ATI_RADEON_IGP,   quirk_ati_exploding_mce },
 	/*
 	 * i82380FB mobile docking controller: its PCI-to-PCI bridge
 	 * is subtractive decoding (transparent), and does indicate this
:wq