1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * devtree.c - convenience functions for device tree manipulation
24 	if (getprop(root, "#address-cells", &naddr, sizeof(naddr)) < 0)  in dt_fixup_memory()
27 		fatal("Can't cope with #address-cells == %d in /\n\r", naddr);  in dt_fixup_memory()
29 	if (getprop(root, "#size-cells", &nsize, sizeof(nsize)) < 0)  in dt_fixup_memory()
32 		fatal("Can't cope with #size-cells == %d in /\n\r", nsize);  in dt_fixup_memory()
48 	printf("Memory <- <0x%x", memreg[0]);  in dt_fixup_memory()
62 	printf("CPU clock-frequency <- 0x%x (%dMHz)\n\r", cpu, MHZ(cpu));  in dt_fixup_cpu_clocks()
63 	printf("CPU timebase-frequency <- 0x%x (%dMHz)\n\r", tb, MHZ(tb));  in dt_fixup_cpu_clocks()
65 		printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus));  in dt_fixup_cpu_clocks()
68 		setprop_val(devp, "clock-frequency", cpu);  in dt_fixup_cpu_clocks()
69 		setprop_val(devp, "timebase-frequency", tb);  in dt_fixup_cpu_clocks()
71 			setprop_val(devp, "bus-frequency", bus);  in dt_fixup_cpu_clocks()
82 		printf("%s: clock-frequency <- %x (%dMHz)\n\r", path, freq, MHZ(freq));  in dt_fixup_clock()
83 		setprop_val(devp, "clock-frequency", freq);  in dt_fixup_clock()
92 		printf("%s: local-mac-address <-"  in dt_fixup_mac_address_by_alias()
97 		setprop(devp, "local-mac-address", addr, 6);  in dt_fixup_mac_address_by_alias()
103 	void *devp = find_node_by_prop_value(NULL, "linux,network-index",  in dt_fixup_mac_address()
107 		printf("ENET%d: local-mac-address <-"  in dt_fixup_mac_address()
112 		setprop(devp, "local-mac-address", addr, 6);  in dt_fixup_mac_address()
134 	if (getprop(node, "#address-cells", naddr, 4) != 4)  in dt_get_reg_format()
136 	if (getprop(node, "#size-cells", nsize, 4) != 4)  in dt_get_reg_format()
142 	int pad = MAX_ADDR_CELLS - naddr;  in copy_val()
152 	for (i = MAX_ADDR_CELLS - 1; i >= 0; i--) {  in sub_reg()
155 		reg[i] -= sub[i] + prev_borrow;  in sub_reg()
165 	for (i = MAX_ADDR_CELLS - 1; i >= MAX_ADDR_CELLS - naddr; i--) {  in add_reg()
219 	return -1;  in find_range()
344 		pos += strnlen(&buf[pos], len - pos);  in dt_is_compatible()
355 	n = getprop(node, "virtual-reg", addr, nres * 4);  in dt_get_virtual_reg()