1 files changed, 108 insertions, 50 deletions

diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 36989c2eee6..6ae25fb6201 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -18,8 +18,8 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/stddef.h>
+#include <linux/export.h>
 #include <linux/unistd.h>
-#include <linux/slab.h>
 #include <linux/user.h>
 #include <linux/reboot.h>
 #include <linux/init.h>
@@ -30,11 +30,11 @@
 #include <linux/console.h>
 #include <linux/mutex.h>
 #include <linux/memory_hotplug.h>
+#include <linux/of_platform.h>
 
 #include <asm/mmu.h>
 #include <asm/processor.h>
 #include <asm/io.h>
-#include <asm/kexec.h>
 #include <asm/pgtable.h>
 #include <asm/prom.h>
 #include <asm/rtas.h>
@@ -51,10 +51,10 @@
 #include <asm/spu_priv1.h>
 #include <asm/udbg.h>
 #include <asm/mpic.h>
-#include <asm/of_platform.h>
+#include <asm/cell-regs.h>
+#include <asm/io-workarounds.h>
 
 #include "interrupt.h"
-#include "cbe_regs.h"
 #include "pervasive.h"
 #include "ras.h"
 
@@ -71,7 +71,7 @@ static void cell_show_cpuinfo(struct seq_file *m)
 
 	root = of_find_node_by_path("/");
 	if (root)
-		model = get_property(root, "model", NULL);
+		model = of_get_property(root, "model", NULL);
 	seq_printf(m, "machine\t\t: CHRP %s\n", model);
 	of_node_put(root);
 }
@@ -81,56 +81,127 @@ static void cell_progress(char *s, unsigned short hex)
 	printk("*** %04x : %s\n", hex, s ? s : "");
 }
 
-static int __init cell_publish_devices(void)
+static void cell_fixup_pcie_rootcomplex(struct pci_dev *dev)
 {
+	struct pci_controller *hose;
+	const char *s;
+	int i;
+
 	if (!machine_is(cell))
+		return;
+
+	/* We're searching for a direct child of the PHB */
+	if (dev->bus->self != NULL || dev->devfn != 0)
+		return;
+
+	hose = pci_bus_to_host(dev->bus);
+	if (hose == NULL)
+		return;
+
+	/* Only on PCIE */
+	if (!of_device_is_compatible(hose->dn, "pciex"))
+		return;
+
+	/* And only on axon */
+	s = of_get_property(hose->dn, "model", NULL);
+	if (!s || strcmp(s, "Axon") != 0)
+		return;
+
+	for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) {
+		dev->resource[i].start = dev->resource[i].end = 0;
+		dev->resource[i].flags = 0;
+	}
+
+	printk(KERN_DEBUG "PCI: Hiding resources on Axon PCIE RC %s\n",
+	       pci_name(dev));
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, cell_fixup_pcie_rootcomplex);
+
+static int cell_setup_phb(struct pci_controller *phb)
+{
+	const char *model;
+	struct device_node *np;
+
+	int rc = rtas_setup_phb(phb);
+	if (rc)
+		return rc;
+
+	np = phb->dn;
+	model = of_get_property(np, "model", NULL);
+	if (model == NULL || strcmp(np->name, "pci"))
 		return 0;
 
-	/* Publish OF platform devices for southbridge IOs */
-	of_platform_bus_probe(NULL, NULL, NULL);
+	/* Setup workarounds for spider */
+	if (strcmp(model, "Spider"))
+		return 0;
 
+	iowa_register_bus(phb, &spiderpci_ops, &spiderpci_iowa_init,
+				  (void *)SPIDER_PCI_REG_BASE);
 	return 0;
 }
-device_initcall(cell_publish_devices);
 
-static void cell_mpic_cascade(unsigned int irq, struct irq_desc *desc)
+static const struct of_device_id cell_bus_ids[] __initconst = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .type = "spider", },
+	{ .type = "axon", },
+	{ .type = "plb5", },
+	{ .type = "plb4", },
+	{ .type = "opb", },
+	{ .type = "ebc", },
+	{},
+};
+
+static int __init cell_publish_devices(void)
 {
-	struct mpic *mpic = desc->handler_data;
-	unsigned int virq;
+	struct device_node *root = of_find_node_by_path("/");
+	struct device_node *np;
+	int node;
 
-	virq = mpic_get_one_irq(mpic);
-	if (virq != NO_IRQ)
-		generic_handle_irq(virq);
-	desc->chip->eoi(irq);
+	/* Publish OF platform devices for southbridge IOs */
+	of_platform_bus_probe(NULL, cell_bus_ids, NULL);
+
+	/* On spider based blades, we need to manually create the OF
+	 * platform devices for the PCI host bridges
+	 */
+	for_each_child_of_node(root, np) {
+		if (np->type == NULL || (strcmp(np->type, "pci") != 0 &&
+					 strcmp(np->type, "pciex") != 0))
+			continue;
+		of_platform_device_create(np, NULL, NULL);
+	}
+
+	/* There is no device for the MIC memory controller, thus we create
+	 * a platform device for it to attach the EDAC driver to.
+	 */
+	for_each_online_node(node) {
+		if (cbe_get_cpu_mic_tm_regs(cbe_node_to_cpu(node)) == NULL)
+			continue;
+		platform_device_register_simple("cbe-mic", node, NULL, 0);
+	}
+
+	return 0;
 }
+machine_subsys_initcall(cell, cell_publish_devices);
 
 static void __init mpic_init_IRQ(void)
 {
 	struct device_node *dn;
 	struct mpic *mpic;
-	unsigned int virq;
 
 	for (dn = NULL;
 	     (dn = of_find_node_by_name(dn, "interrupt-controller"));) {
-		if (!device_is_compatible(dn, "CBEA,platform-open-pic"))
+		if (!of_device_is_compatible(dn, "CBEA,platform-open-pic"))
 			continue;
 
 		/* The MPIC driver will get everything it needs from the
 		 * device-tree, just pass 0 to all arguments
 		 */
-		mpic = mpic_alloc(dn, 0, 0, 0, 0, " MPIC     ");
+		mpic = mpic_alloc(dn, 0, MPIC_SECONDARY | MPIC_NO_RESET,
+				0, 0, " MPIC     ");
 		if (mpic == NULL)
 			continue;
 		mpic_init(mpic);
-
-		virq = irq_of_parse_and_map(dn, 0);
-		if (virq == NO_IRQ)
-			continue;
-
-		printk(KERN_INFO "%s : hooking up to IRQ %d\n",
-		       dn->full_name, virq);
-		set_irq_data(virq, mpic);
-		set_irq_chained_handler(virq, cell_mpic_cascade);
 	}
 }
 
@@ -142,6 +213,11 @@ static void __init cell_init_irq(void)
 	mpic_init_IRQ();
 }
 
+static void __init cell_set_dabrx(void)
+{
+	mtspr(SPRN_DABRX, DABRX_KERNEL | DABRX_USER);
+}
+
 static void __init cell_setup_arch(void)
 {
 #ifdef CONFIG_SPU_BASE
@@ -151,6 +227,8 @@ static void __init cell_setup_arch(void)
 
 	cbe_regs_init();
 
+	cell_set_dabrx();
+
 #ifdef CONFIG_CBE_RAS
 	cbe_ras_init();
 #endif
@@ -161,14 +239,9 @@ static void __init cell_setup_arch(void)
 	/* init to some ~sane value until calibrate_delay() runs */
 	loops_per_jiffy = 50000000;
 
-	if (ROOT_DEV == 0) {
-		printk("No ramdisk, default root is /dev/hda2\n");
-		ROOT_DEV = Root_HDA2;
-	}
-
 	/* Find and initialize PCI host bridges */
 	init_pci_config_tokens();
-	find_and_init_phbs();
+
 	cbe_pervasive_init();
 #ifdef CONFIG_DUMMY_CONSOLE
 	conswitchp = &dummy_con;
@@ -190,15 +263,6 @@ static int __init cell_probe(void)
 	return 1;
 }
 
-/*
- * Cell has no legacy IO; anything calling this function has to
- * fail or bad things will happen
- */
-static int cell_check_legacy_ioport(unsigned int baseport)
-{
-	return -ENODEV;
-}
-
 define_machine(cell) {
 	.name			= "Cell",
 	.probe			= cell_probe,
@@ -211,13 +275,7 @@ define_machine(cell) {
 	.get_rtc_time		= rtas_get_rtc_time,
 	.set_rtc_time		= rtas_set_rtc_time,
 	.calibrate_decr		= generic_calibrate_decr,
-	.check_legacy_ioport	= cell_check_legacy_ioport,
 	.progress		= cell_progress,
 	.init_IRQ       	= cell_init_irq,
-	.pci_setup_phb		= rtas_setup_phb,
-#ifdef CONFIG_KEXEC
-	.machine_kexec		= default_machine_kexec,
-	.machine_kexec_prepare	= default_machine_kexec_prepare,
-	.machine_crash_shutdown	= default_machine_crash_shutdown,
-#endif
+	.pci_setup_phb		= cell_setup_phb,
 };