[PATCH V3 3/5] powerpc/mpc85xx: convert to unified PCI init

[Jia Hongtao]

PCI initialization is now done by PCI controller driver. In board_setup_arch
stage we don't need PCI init any more but swiotlb should be determined at this
stage.

Signed-off-by: Jia Hongtao <B38951 at freescale.com>
Signed-off-by: Li Yang <leoli at freescale.com>
---
We now just apply this for mpc85xx_ds and qemu

 arch/powerpc/kernel/iommu.c.rej          |   22 -----------------
 arch/powerpc/platforms/85xx/common.c     |    9 +++++++
 arch/powerpc/platforms/85xx/mpc85xx_ds.c |   38 +++++++----------------------
 arch/powerpc/platforms/85xx/qemu_e500.c  |    5 +++-
 4 files changed, 22 insertions(+), 52 deletions(-)
 delete mode 100644 arch/powerpc/kernel/iommu.c.rej

diff --git a/arch/powerpc/kernel/iommu.c.rej b/arch/powerpc/kernel/iommu.c.rej
deleted file mode 100644
index 9d10d34..0000000
--- a/arch/powerpc/kernel/iommu.c.rej
+++ /dev/null
@@ -1,22 +0,0 @@
---- arch/powerpc/kernel/iommu.c	2012-06-08 09:01:02.785709100 +1000
-+++ arch/powerpc/kernel/iommu.c	2012-06-08 09:01:07.489784856 +1000
-@@ -33,7 +33,9 @@
- #include <linux/bitmap.h>
- #include <linux/iommu-helper.h>
- #include <linux/crash_dump.h>
-+#include <linux/fault-inject.h>
- #include <asm/io.h>
-+#include <asm/vio.h>
- #include <asm/prom.h>
- #include <asm/iommu.h>
- #include <asm/pci-bridge.h>
-@@ -171,6 +261,9 @@
- 		return DMA_ERROR_CODE;
- 	}
- 
-+	if (should_fail_iommu(dev))
-+		return DMA_ERROR_CODE;
-+
- 	if (handle && *handle)
- 		start = *handle;
- 	else
diff --git a/arch/powerpc/platforms/85xx/common.c b/arch/powerpc/platforms/85xx/common.c
index 67dac22..303fedb 100644
--- a/arch/powerpc/platforms/85xx/common.c
+++ b/arch/powerpc/platforms/85xx/common.c
@@ -27,6 +27,15 @@ static struct of_device_id __initdata mpc85xx_common_ids[] = {
 	{ .compatible = "fsl,mpc8548-guts", },
 	/* Probably unnecessary? */
 	{ .compatible = "gpio-leds", },
+	/* For all PCI controllers */
+	{ .compatible = "fsl,mpc8540-pci", },
+	{ .compatible = "fsl,mpc8548-pcie", },
+	{ .compatible = "fsl,p1022-pcie", },
+	{ .compatible = "fsl,p1010-pcie", },
+	{ .compatible = "fsl,p1023-pcie", },
+	{ .compatible = "fsl,p4080-pcie", },
+	{ .compatible = "fsl,qoriq-pcie-v2.3", },
+	{ .compatible = "fsl,qoriq-pcie-v2.2", },
 	{},
 };
 
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 6d3265f..4e64414 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -117,40 +117,16 @@ void __init mpc85xx_ds_pic_init(void)
 extern int uli_exclude_device(struct pci_controller *hose,
 				u_char bus, u_char devfn);
 
-static struct device_node *pci_with_uli;
-
 static int mpc85xx_exclude_device(struct pci_controller *hose,
 				   u_char bus, u_char devfn)
 {
-	if (hose->dn == pci_with_uli)
+	if (hose->is_primary)
 		return uli_exclude_device(hose, bus, devfn);
 
 	return PCIBIOS_SUCCESSFUL;
 }
 #endif	/* CONFIG_PCI */
 
-static void __init mpc85xx_ds_pci_init(void)
-{
-#ifdef CONFIG_PCI
-	struct device_node *node;
-
-	fsl_pci_init();
-
-	/* See if we have a ULI under the primary */
-
-	node = of_find_node_by_name(NULL, "uli1575");
-	while ((pci_with_uli = of_get_parent(node))) {
-		of_node_put(node);
-		node = pci_with_uli;
-
-		if (pci_with_uli == fsl_pci_primary) {
-			ppc_md.pci_exclude_device = mpc85xx_exclude_device;
-			break;
-		}
-	}
-#endif
-}
-
 /*
  * Setup the architecture
  */
@@ -159,7 +135,11 @@ static void __init mpc85xx_ds_setup_arch(void)
 	if (ppc_md.progress)
 		ppc_md.progress("mpc85xx_ds_setup_arch()", 0);
 
-	mpc85xx_ds_pci_init();
+#ifdef CONFIG_PCI
+	pci_determine_swiotlb();
+	ppc_md.pci_exclude_device = mpc85xx_exclude_device;
+#endif
+
 	mpc85xx_smp_init();
 
 	printk("MPC85xx DS board from Freescale Semiconductor\n");
@@ -175,9 +155,9 @@ static int __init mpc8544_ds_probe(void)
 	return !!of_flat_dt_is_compatible(root, "MPC8544DS");
 }
 
-machine_device_initcall(mpc8544_ds, mpc85xx_common_publish_devices);
-machine_device_initcall(mpc8572_ds, mpc85xx_common_publish_devices);
-machine_device_initcall(p2020_ds, mpc85xx_common_publish_devices);
+machine_arch_initcall(mpc8544_ds, mpc85xx_common_publish_devices);
+machine_arch_initcall(mpc8572_ds, mpc85xx_common_publish_devices);
+machine_arch_initcall(p2020_ds, mpc85xx_common_publish_devices);
 
 machine_arch_initcall(mpc8544_ds, swiotlb_setup_bus_notifier);
 machine_arch_initcall(mpc8572_ds, swiotlb_setup_bus_notifier);
diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c
index 95a2e53..c490b12 100644
--- a/arch/powerpc/platforms/85xx/qemu_e500.c
+++ b/arch/powerpc/platforms/85xx/qemu_e500.c
@@ -41,7 +41,10 @@ static void __init qemu_e500_setup_arch(void)
 {
 	ppc_md.progress("qemu_e500_setup_arch()", 0);
 
-	fsl_pci_init();
+#ifdef CONFIG_PCI
+	pci_determine_swiotlb();
+#endif
+
 	mpc85xx_smp_init();
 }
 
-- 
1.7.5.1