diff options
Diffstat (limited to 'arch/powerpc/platforms/maple/setup.c')
| -rw-r--r-- | arch/powerpc/platforms/maple/setup.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index bfd60e4acce..0636a3df697 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -335,3 +335,62 @@ define_machine(maple) { .progress = maple_progress, .power_save = power4_idle, }; + +#ifdef CONFIG_EDAC +/* + * Register a platform device for CPC925 memory controller on + * Motorola ATCA-6101 blade. + */ +#define MAPLE_CPC925_MODEL "Motorola,ATCA-6101" +static int __init maple_cpc925_edac_setup(void) +{ + struct platform_device *pdev; + struct device_node *np = NULL; + struct resource r; + const unsigned char *model; + int ret; + + np = of_find_node_by_path("/"); + if (!np) { + printk(KERN_ERR "%s: Unable to get root node\n", __func__); + return -ENODEV; + } + + model = (const unsigned char *)of_get_property(np, "model", NULL); + if (!model) { + printk(KERN_ERR "%s: Unabel to get model info\n", __func__); + return -ENODEV; + } + + ret = strcmp(model, MAPLE_CPC925_MODEL); + of_node_put(np); + + if (ret != 0) + return 0; + + np = of_find_node_by_type(NULL, "memory-controller"); + if (!np) { + printk(KERN_ERR "%s: Unable to find memory-controller node\n", + __func__); + return -ENODEV; + } + + ret = of_address_to_resource(np, 0, &r); + of_node_put(np); + + if (ret < 0) { + printk(KERN_ERR "%s: Unable to get memory-controller reg\n", + __func__); + return -ENODEV; + } + + pdev = platform_device_register_simple("cpc925_edac", 0, &r, 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + printk(KERN_INFO "%s: CPC925 platform device created\n", __func__); + + return 0; +} +machine_device_initcall(maple, maple_cpc925_edac_setup); +#endif |