1 // SPDX-License-Identifier: GPL-2.0-only
25 #include <asm/mach-types.h>
35 static int __init set_smp_ops_by_method(struct device_node *node)  in set_smp_ops_by_method()  argument
40 	if (of_property_read_string(node, "enable-method", &method))  in set_smp_ops_by_method()
43 	for (; m->method; m++)  in set_smp_ops_by_method()
44 		if (!strcmp(m->method, method)) {  in set_smp_ops_by_method()
45 			smp_set_ops(m->ops);  in set_smp_ops_by_method()
52 static inline int set_smp_ops_by_method(struct device_node *node)  in set_smp_ops_by_method()  argument
60  * arm_dt_init_cpu_maps - Function retrieves cpu nodes from the device tree
79 	u32 tmp_map[NR_CPUS] = { [0 ... NR_CPUS-1] = MPIDR_INVALID };  in arm_dt_init_cpu_maps()
105 		 * Bits n:24 must be set to 0 in the DT since the reg property  in arm_dt_init_cpu_maps()
110 			prop_bytes -= sizeof(*cell);  in arm_dt_init_cpu_maps()
127 				 "Duplicate /cpu reg properties in the DT\n")) {  in arm_dt_init_cpu_maps()
136 		 * from 1. If a CPU node with a reg property matching the  in arm_dt_init_cpu_maps()
138 		 * logical map built from DT is validated and can be used  in arm_dt_init_cpu_maps()
148 		if (WARN(cpuidx > nr_cpu_ids, "DT /cpu %u nodes greater than "  in arm_dt_init_cpu_maps()
163 	 * Fallback to an enable-method in the cpus node if nothing found in  in arm_dt_init_cpu_maps()
164 	 * a cpu node.  in arm_dt_init_cpu_maps()
170 		pr_warn("DT missing boot CPU MPIDR[23:0], fall back to default cpu_logical_map\n");  in arm_dt_init_cpu_maps()
175 	 * Since the boot CPU node contains proper data, and all nodes have  in arm_dt_init_cpu_maps()
176 	 * a reg property, the DT CPU list can be considered valid and the  in arm_dt_init_cpu_maps()
200 	*match = m->dt_compat;  in arch_get_next_mach()
205  * setup_machine_fdt - Machine setup when an dtb was passed to the kernel
206  * @dt_phys: physical address of dt blob
216 	DT_MACHINE_START(GENERIC_DT, "Generic DT based system")  in setup_machine_fdt()
241 			size -= strlen(prop) + 1;  in setup_machine_fdt()
250 	if (mdesc->dt_fixup)  in setup_machine_fdt()
251 		mdesc->dt_fixup();  in setup_machine_fdt()
256 	__machine_arch_type = mdesc->nr;  in setup_machine_fdt()