lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[POWERPC] cell: Generalize io-workarounds code

Browse Source 
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>
This commit is contained in:
Ishizaki Kou
2008-04-24 19:21:10 +10:00
committed by Paul Mackerras
parent 36f8a2c4c6
commit 7cfb62a2e8
8 changed files with 444 additions and 326 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
arch/powerpc/platforms/cell/setup.c
View File

@ -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 @@ static void cell_fixup_pcie_rootcomplex(struct pci_dev *dev)
}
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 @@ static int __init cell_publish_devices(void)
continue;
platform_device_register_simple("cbe-mic", node, NULL, 0);
}
return 0;
}
machine_subsys_initcall(cell, cell_publish_devices);
@ -213,7 +252,7 @@ static void __init cell_setup_arch(void)
/* 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 @@ define_machine(cell) {
.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,