openwrt-xburst/target/linux/lantiq/patches-3.3/0050-MIPS-lantiq-pci-move-pcibios-code-into-fixup-lantiq..patch

From a4f83d3f635603b982f11e7f1cb22057958ff52b Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Thu, 8 Mar 2012 15:53:10 +0100
Subject: [PATCH 50/70] MIPS: lantiq: pci: move pcibios code into
 fixup-lantiq.c

---
 arch/mips/pci/Makefile       |    1 +
 arch/mips/pci/fixup-lantiq.c |   42 ++++++++++++++++++++++++++++++++++++++++++
 arch/mips/pci/pci-lantiq.c   |   24 ++----------------------
 3 files changed, 45 insertions(+), 22 deletions(-)
 create mode 100644 arch/mips/pci/fixup-lantiq.c

--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_SIBYTE_SB1250)	+= fixup-sb1
 obj-$(CONFIG_SIBYTE_BCM112X)	+= fixup-sb1250.o pci-sb1250.o
 obj-$(CONFIG_SIBYTE_BCM1x80)	+= pci-bcm1480.o pci-bcm1480ht.o
 obj-$(CONFIG_SNI_RM)		+= fixup-sni.o ops-sni.o
+obj-$(CONFIG_LANTIQ)		+= fixup-lantiq.o
 obj-$(CONFIG_PCI_LANTIQ)	+= pci-lantiq.o ops-lantiq.o
 obj-$(CONFIG_TANBAC_TB0219)	+= fixup-tb0219.o
 obj-$(CONFIG_TANBAC_TB0226)	+= fixup-tb0226.o
--- /dev/null
+++ b/arch/mips/pci/fixup-lantiq.c
@@ -0,0 +1,42 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ *
+ *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/of_irq.h>
+#include <linux/of_pci.h>
+
+int (*ltqpci_map_irq)(const struct pci_dev *dev, u8 slot, u8 pin) = NULL;
+int (*ltqpci_plat_arch_init)(struct pci_dev *dev) = NULL;
+int (*ltqpci_plat_dev_init)(struct pci_dev *dev) = NULL;
+int *ltq_pci_irq_map;
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	if (ltqpci_plat_arch_init)
+		return ltqpci_plat_arch_init(dev);
+
+	if (ltqpci_plat_dev_init)
+		return ltqpci_plat_dev_init(dev);
+
+	return 0;
+}
+
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (ltqpci_map_irq)
+		return ltqpci_map_irq(dev, slot, pin);
+	if (ltq_pci_irq_map[slot]) {
+		dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, ltq_pci_irq_map[slot]);
+		return ltq_pci_irq_map[slot];
+	}
+	printk(KERN_ERR "lq_pci: trying to map irq for unknown slot %d\n",
+		slot);
+
+	return 0;
+}
+
+
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -93,16 +93,14 @@ static struct ltq_pci_gpio_map ltq_pci_g
 	{ 37, 2, 0, "pci-req4" },
 };
 
-__iomem void *ltq_pci_mapped_cfg;
+__iomem void *ltq_pci_cfgbase;
 static __iomem void *ltq_pci_membase;
 
-int (*ltqpci_plat_dev_init)(struct pci_dev *dev) = NULL;
-
 /* Since the PCI REQ pins can be reused for other functionality, make it
    possible to exclude those from interpretation by the PCI controller */
 static int ltq_pci_req_mask = 0xf;
 
-static int *ltq_pci_irq_map;
+extern int *ltq_pci_irq_map;
 
 struct pci_ops ltq_pci_ops = {
 	.read	= ltq_pci_read_config_dword,
@@ -131,14 +129,6 @@ static struct pci_controller ltq_pci_con
 	.io_offset	= 0x00000000UL,
 };
 
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
-	if (ltqpci_plat_dev_init)
-		return ltqpci_plat_dev_init(dev);
-
-	return 0;
-}
-
 static u32 ltq_calc_bar11mask(void)
 {
 	u32 mem, bar11mask;
@@ -256,16 +246,6 @@ static int __devinit ltq_pci_startup(str
 	return 0;
 }
 
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-	if (ltq_pci_irq_map[slot])
-		return ltq_pci_irq_map[slot];
-	printk(KERN_ERR "lq_pci: trying to map irq for unknown slot %d\n",
-		slot);
-
-	return 0;
-}
-
 static int __devinit ltq_pci_probe(struct platform_device *pdev)
 {
 	struct ltq_pci_data *ltq_pci_data =