diff options
Diffstat (limited to 'arch/mips/lantiq/xway/reset.c')
| -rw-r--r-- | arch/mips/lantiq/xway/reset.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index 3327211746ac..22c55f73aa9d 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -37,13 +37,6 @@ #define RCU_BOOT_SEL_SHIFT 26 #define RCU_BOOT_SEL_MASK 0x7 -static struct resource ltq_rcu_resource = { - .name = "rcu", - .start = LTQ_RCU_BASE_ADDR, - .end = LTQ_RCU_BASE_ADDR + LTQ_RCU_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - /* remapped base addr of the reset control unit */ static void __iomem *ltq_rcu_membase; @@ -91,17 +84,21 @@ static void ltq_machine_power_off(void) static int __init mips_reboot_setup(void) { - /* insert and request the memory region */ - if (insert_resource(&iomem_resource, <q_rcu_resource) < 0) - panic("Failed to insert rcu memory"); + struct resource res; + struct device_node *np = + of_find_compatible_node(NULL, NULL, "lantiq,rcu-xway"); + + /* check if all the reset register range is available */ + if (!np) + panic("Failed to load reset resources from devicetree"); + + if (of_address_to_resource(np, 0, &res)) + panic("Failed to get rcu memory range"); - if (request_mem_region(ltq_rcu_resource.start, - resource_size(<q_rcu_resource), "rcu") < 0) - panic("Failed to request rcu memory"); + if (request_mem_region(res.start, resource_size(&res), res.name) < 0) + pr_err("Failed to request rcu memory"); - /* remap rcu register range */ - ltq_rcu_membase = ioremap_nocache(ltq_rcu_resource.start, - resource_size(<q_rcu_resource)); + ltq_rcu_membase = ioremap_nocache(res.start, resource_size(&res)); if (!ltq_rcu_membase) panic("Failed to remap core memory"); |