Creating a platform device for the PCI error registers in order for the
mpc85xx EDAC driver to pick up proper resources. This is to prevent the EDAC
driver from monopolizing the of_device and thus preventing future PCI code from
using the PCI of_device(s).
Signed-off-by: Dave Jiang <[EMAIL PROTECTED]>
---
fsl_soc.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 727453d..fff7c91 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -1186,3 +1186,32 @@ err:
arch_initcall(cpm_smc_uart_of_init);
#endif /* CONFIG_8xx */
+
+#ifdef CONFIG_85xx
+
+/* setting up 85xx PCI error platform device for EDAC consumption */
+static int __init mpc85xx_pcierr_setup(void)
+{
+ struct device_node *np = NULL;
+ int id = 0;
+ struct resource res[2];
+
+ for_each_compatible_node(np, "pci", "fsl,mpc8540-pci") {
+ memset(res, 0, sizeof(struct resource) * 2);
+ if (of_address_to_resource(np, 0, &res[0])) {
+ printk(KERN_WARNING "Can't get pci register base!\n");
+ continue;
+ }
+
+ /* move start to where the error registers are */
+ res[0].start += 0xe00;
+
+ of_irq_to_resource(np, 0, &res[1]);
+ platform_device_register_simple("mpc85xx_pci_err", id, res, 2);
+ id++;
+ }
+ return 0;
+}
+arch_initcall(mpc85xx_pcierr_setup);
+
+#endif
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