1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * devtree.c - convenience functions for device tree manipulation
25 	if (getprop(root, "#address-cells", &naddr, sizeof(naddr)) < 0)  in dt_fixup_memory()
30 		fatal("Can't cope with #address-cells == %d in /\n\r", naddr);  in dt_fixup_memory()
32 	if (getprop(root, "#size-cells", &nsize, sizeof(nsize)) < 0)  in dt_fixup_memory()
37 		fatal("Can't cope with #size-cells == %d in /\n\r", nsize);  in dt_fixup_memory()
53 	printf("Memory <- <0x%x", be32_to_cpu(memreg[0]));  in dt_fixup_memory()
67 	printf("CPU clock-frequency <- 0x%x (%dMHz)\n\r", cpu, MHZ(cpu));  in dt_fixup_cpu_clocks()
68 	printf("CPU timebase-frequency <- 0x%x (%dMHz)\n\r", tb, MHZ(tb));  in dt_fixup_cpu_clocks()
70 		printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus));  in dt_fixup_cpu_clocks()
73 		setprop_val(devp, "clock-frequency", cpu_to_be32(cpu));  in dt_fixup_cpu_clocks()
74 		setprop_val(devp, "timebase-frequency", cpu_to_be32(tb));  in dt_fixup_cpu_clocks()
76 			setprop_val(devp, "bus-frequency", cpu_to_be32(bus));  in dt_fixup_cpu_clocks()
87 		printf("%s: clock-frequency <- %x (%dMHz)\n\r", path, freq, MHZ(freq));  in dt_fixup_clock()
88 		setprop_val(devp, "clock-frequency", cpu_to_be32(freq));  in dt_fixup_clock()
97 		printf("%s: local-mac-address <-"  in dt_fixup_mac_address_by_alias()
102 		setprop(devp, "local-mac-address", addr, 6);  in dt_fixup_mac_address_by_alias()
108 	void *devp = find_node_by_prop_value(NULL, "linux,network-index",  in dt_fixup_mac_address()
112 		printf("ENET%d: local-mac-address <-"  in dt_fixup_mac_address()
117 		setprop(devp, "local-mac-address", addr, 6);  in dt_fixup_mac_address()
139 	if (getprop(node, "#address-cells", naddr, 4) != 4)  in dt_get_reg_format()
143 	if (getprop(node, "#size-cells", nsize, 4) != 4)  in dt_get_reg_format()
151 	int pad = MAX_ADDR_CELLS - naddr;  in copy_val()
161 	for (i = MAX_ADDR_CELLS - 1; i >= 0; i--) {  in sub_reg()
164 		reg[i] -= sub[i] + prev_borrow;  in sub_reg()
174 	for (i = MAX_ADDR_CELLS - 1; i >= MAX_ADDR_CELLS - naddr; i--) {  in add_reg()
228 	return -1;  in find_range()
350 		pos += strnlen(&buf[pos], len - pos);  in dt_is_compatible()
361 	n = getprop(node, "virtual-reg", addr, nres * 4);  in dt_get_virtual_reg()