void __init __dt_setup_arch(void *bph) { if (!early_init_dt_scan(bph)) return; mips_set_machine_name(of_flat_dt_get_machine_name()); }
void __init __dt_setup_arch(struct boot_param_header *bph) { if (!early_init_dt_scan(bph)) return; mips_set_machine_name(of_flat_dt_get_machine_name()); }
static void __init setup_machine_fdt(phys_addr_t dt_phys) { if (!dt_phys || !early_init_dt_scan(phys_to_virt(dt_phys))) { early_print("\n" "Error: invalid device tree blob at physical address 0x%p (virtual address 0x%p)\n" "The dtb must be 8-byte aligned and passed in the first 512MB of memory\n" "\nPlease check your bootloader.\n", dt_phys, phys_to_virt(dt_phys)); while (true) cpu_relax(); } machine_name = of_flat_dt_get_machine_name(); }
static void __init setup_machine_fdt(phys_addr_t dt_phys) { void *dt_virt = fixmap_remap_fdt(dt_phys); if (!dt_virt || !early_init_dt_scan(dt_virt)) { pr_crit("\n" "Error: invalid device tree blob at physical address %pa (virtual address 0x%p)\n" "The dtb must be 8-byte aligned and must not exceed 2 MB in size\n" "\nPlease check your bootloader.", &dt_phys, dt_virt); while (true) cpu_relax(); } dump_stack_set_arch_desc("%s (DT)", of_flat_dt_get_machine_name()); }
/** * of_flat_dt_match_machine - Iterate match tables to find matching machine. * * @default_match: A machine specific ptr to return in case of no match. * @get_next_compat: callback function to return next compatible match table. * * Iterate through machine match tables to find the best match for the machine * compatible string in the FDT. */ const void * __init of_flat_dt_match_machine(const void *default_match, const void * (*get_next_compat)(const char * const**)) { const void *data = NULL; const void *best_data = default_match; const char *const *compat; unsigned long dt_root; unsigned int best_score = ~1, score = 0; dt_root = of_get_flat_dt_root(); while ((data = get_next_compat(&compat))) { score = of_flat_dt_match(dt_root, compat); if (score > 0 && score < best_score) { best_data = data; best_score = score; } } if (!best_data) { const char *prop; int size; pr_err("\n unrecognized device tree list:\n[ "); prop = of_get_flat_dt_prop(dt_root, "compatible", &size); if (prop) { while (size > 0) { printk("'%s' ", prop); size -= strlen(prop) + 1; prop += strlen(prop) + 1; } } printk("]\n\n"); return NULL; } pr_info("Machine model: %s\n", of_flat_dt_get_machine_name()); return best_data; }