From 4907d97a6e8268b7cea9e229d2021c1d6f051843 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Fri, 28 Oct 2011 16:28:03 -0600
Subject: [PATCH] --- yaml --- r: 283384 b: refs/heads/master c:
 6361d72b04d1f77736142bc3911a32b814370729 h: refs/heads/master v: v3

---
 [refs]                            |  2 +-
 trunk/arch/x86/pci/broadcom_bus.c | 62 +++++++++++++++++++------------
 2 files changed, 40 insertions(+), 24 deletions(-)

diff --git a/[refs] b/[refs]
index ad63b8b3b2b7..2d44644017c3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2b591616ada6cf499a4e83bf453761e40dc53059
+refs/heads/master: 6361d72b04d1f77736142bc3911a32b814370729
diff --git a/trunk/arch/x86/pci/broadcom_bus.c b/trunk/arch/x86/pci/broadcom_bus.c
index ab8269b0da29..f3a7c569a403 100644
--- a/trunk/arch/x86/pci/broadcom_bus.c
+++ b/trunk/arch/x86/pci/broadcom_bus.c
@@ -15,10 +15,11 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <asm/pci_x86.h>
+#include <asm/pci-direct.h>
 
 #include "bus_numa.h"
 
-static void __devinit cnb20le_res(struct pci_dev *dev)
+static void __init cnb20le_res(u8 bus, u8 slot, u8 func)
 {
 	struct pci_root_info *info;
 	struct resource res;
@@ -26,21 +27,12 @@ static void __devinit cnb20le_res(struct pci_dev *dev)
 	u8 fbus, lbus;
 	int i;
 
-#ifdef CONFIG_ACPI
-	/*
-	 * We should get host bridge information from ACPI unless the BIOS
-	 * doesn't support it.
-	 */
-	if (acpi_os_get_root_pointer())
-		return;
-#endif
-
 	info = &pci_root_info[pci_root_num];
 	pci_root_num++;
 
 	/* read the PCI bus numbers */
-	pci_read_config_byte(dev, 0x44, &fbus);
-	pci_read_config_byte(dev, 0x45, &lbus);
+	fbus = read_pci_config_byte(bus, slot, func, 0x44);
+	lbus = read_pci_config_byte(bus, slot, func, 0x45);
 	info->bus_min = fbus;
 	info->bus_max = lbus;
 
@@ -59,8 +51,8 @@ static void __devinit cnb20le_res(struct pci_dev *dev)
 	}
 
 	/* read the non-prefetchable memory window */
-	pci_read_config_word(dev, 0xc0, &word1);
-	pci_read_config_word(dev, 0xc2, &word2);
+	word1 = read_pci_config_16(bus, slot, func, 0xc0);
+	word2 = read_pci_config_16(bus, slot, func, 0xc2);
 	if (word1 != word2) {
 		res.start = (word1 << 16) | 0x0000;
 		res.end   = (word2 << 16) | 0xffff;
@@ -69,8 +61,8 @@ static void __devinit cnb20le_res(struct pci_dev *dev)
 	}
 
 	/* read the prefetchable memory window */
-	pci_read_config_word(dev, 0xc4, &word1);
-	pci_read_config_word(dev, 0xc6, &word2);
+	word1 = read_pci_config_16(bus, slot, func, 0xc4);
+	word2 = read_pci_config_16(bus, slot, func, 0xc6);
 	if (word1 != word2) {
 		res.start = (word1 << 16) | 0x0000;
 		res.end   = (word2 << 16) | 0xffff;
@@ -79,8 +71,8 @@ static void __devinit cnb20le_res(struct pci_dev *dev)
 	}
 
 	/* read the IO port window */
-	pci_read_config_word(dev, 0xd0, &word1);
-	pci_read_config_word(dev, 0xd2, &word2);
+	word1 = read_pci_config_16(bus, slot, func, 0xd0);
+	word2 = read_pci_config_16(bus, slot, func, 0xd2);
 	if (word1 != word2) {
 		res.start = word1;
 		res.end   = word2;
@@ -92,13 +84,37 @@ static void __devinit cnb20le_res(struct pci_dev *dev)
 	res.start = fbus;
 	res.end   = lbus;
 	res.flags = IORESOURCE_BUS;
-	dev_info(&dev->dev, "CNB20LE PCI Host Bridge (domain %04x %pR)\n",
-			    pci_domain_nr(dev->bus), &res);
+	printk(KERN_INFO "CNB20LE PCI Host Bridge (domain 0000 %pR)\n", &res);
 
 	for (i = 0; i < info->res_num; i++)
-		dev_info(&dev->dev, "host bridge window %pR\n", &info->res[i]);
+		printk(KERN_INFO "host bridge window %pR\n", &info->res[i]);
 }
 
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_LE,
-			cnb20le_res);
+static int __init broadcom_postcore_init(void)
+{
+	u8 bus = 0, slot = 0;
+	u32 id;
+	u16 vendor, device;
+
+#ifdef CONFIG_ACPI
+	/*
+	 * We should get host bridge information from ACPI unless the BIOS
+	 * doesn't support it.
+	 */
+	if (acpi_os_get_root_pointer())
+		return 0;
+#endif
+
+	id = read_pci_config(bus, slot, 0, PCI_VENDOR_ID);
+	vendor = id & 0xffff;
+	device = (id >> 16) & 0xffff;
+
+	if (vendor == PCI_VENDOR_ID_SERVERWORKS &&
+	    device == PCI_DEVICE_ID_SERVERWORKS_LE) {
+		cnb20le_res(bus, slot, 0);
+		cnb20le_res(bus, slot, 1);
+	}
+	return 0;
+}
 
+postcore_initcall(broadcom_postcore_init);