[POWERPC] cell: Generalize io-workarounds code
This splits cell io-workaround code into spider-pci dependent code and
a generic part, and also moves io-workarounds initialization into
cell_setup_phb.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 5c531e8..ab721b5 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -57,6 +57,7 @@
#include "interrupt.h"
#include "pervasive.h"
#include "ras.h"
+#include "io-workarounds.h"
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
@@ -117,13 +118,50 @@
}
DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, cell_fixup_pcie_rootcomplex);
+static int __devinit 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;
+
+ /* Setup workarounds for spider */
+ if (strcmp(model, "Spider"))
+ return 0;
+
+ iowa_register_bus(phb, &spiderpci_ops, &spiderpci_iowa_init,
+ (void *)SPIDER_PCI_REG_BASE);
+ io_workaround_init();
+
+ return 0;
+}
+
static int __init cell_publish_devices(void)
{
+ struct device_node *root = of_find_node_by_path("/");
+ struct device_node *np;
int node;
/* Publish OF platform devices for southbridge IOs */
of_platform_bus_probe(NULL, NULL, 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.
*/
@@ -132,6 +170,7 @@
continue;
platform_device_register_simple("cbe-mic", node, NULL, 0);
}
+
return 0;
}
machine_subsys_initcall(cell, cell_publish_devices);
@@ -213,7 +252,7 @@
/* Find and initialize PCI host bridges */
init_pci_config_tokens();
- find_and_init_phbs();
+
cbe_pervasive_init();
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
@@ -249,7 +288,7 @@
.calibrate_decr = generic_calibrate_decr,
.progress = cell_progress,
.init_IRQ = cell_init_irq,
- .pci_setup_phb = rtas_setup_phb,
+ .pci_setup_phb = cell_setup_phb,
#ifdef CONFIG_KEXEC
.machine_kexec = default_machine_kexec,
.machine_kexec_prepare = default_machine_kexec_prepare,