diff options
Diffstat (limited to 'arch/mips/ralink/of.c')
-rw-r--r-- | arch/mips/ralink/of.c | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c index df29e6c896aa..6558c76ef92e 100644 --- a/arch/mips/ralink/of.c +++ b/arch/mips/ralink/of.c @@ -29,28 +29,56 @@ __iomem void *rt_sysc_membase; __iomem void *rt_memc_membase; EXPORT_SYMBOL_GPL(rt_sysc_membase); -__iomem void *plat_of_remap_node(const char *node) +static const struct of_device_id mtmips_memc_match[] = { + { .compatible = "mediatek,mt7621-memc" }, + { .compatible = "ralink,mt7620a-memc" }, + { .compatible = "ralink,rt2880-memc" }, + { .compatible = "ralink,rt3050-memc" }, + { .compatible = "ralink,rt3883-memc" }, + {} +}; + +static const struct of_device_id mtmips_sysc_match[] = { + { .compatible = "mediatek,mt7621-sysc" }, + { .compatible = "ralink,mt7620a-sysc" }, + { .compatible = "ralink,rt2880-sysc" }, + { .compatible = "ralink,rt3050-sysc" }, + { .compatible = "ralink,rt3883-sysc" }, + {} +}; + +static __iomem void * +mtmips_of_remap_node(const struct of_device_id *match, const char *type) { struct resource res; struct device_node *np; - np = of_find_compatible_node(NULL, NULL, node); + np = of_find_matching_node(NULL, match); if (!np) - panic("Failed to find %s node", node); + panic("Failed to find %s controller node", type); if (of_address_to_resource(np, 0, &res)) - panic("Failed to get resource for %s", node); - - of_node_put(np); + panic("Failed to get resource for %s node", np->name); if (!request_mem_region(res.start, resource_size(&res), res.name)) - panic("Failed to request resources for %s", node); + panic("Failed to request resources for %s node", np->name); + + of_node_put(np); return ioremap(res.start, resource_size(&res)); } +void __init ralink_of_remap(void) +{ + rt_sysc_membase = mtmips_of_remap_node(mtmips_sysc_match, "system"); + rt_memc_membase = mtmips_of_remap_node(mtmips_memc_match, "memory"); + + if (!rt_sysc_membase || !rt_memc_membase) + panic("Failed to remap core resources"); +} + void __init plat_mem_setup(void) { void *dtb; |