1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Old U-boot compatibility for 85xx 4 * 5 * Author: Scott Wood <scottwood@freescale.com> 6 * 7 * Copyright (c) 2007 Freescale Semiconductor, Inc. 8 */ 9 10 #include "ops.h" 11 #include "stdio.h" 12 #include "cuboot.h" 13 14 #define TARGET_85xx 15 #define TARGET_CPM2 16 #include "ppcboot.h" 17 18 static bd_t bd; 19 20 static void platform_fixups(void) 21 { 22 void *devp; 23 24 dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); 25 dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); 26 dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); 27 dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); 28 dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq); 29 30 /* Unfortunately, the specific model number is encoded in the 31 * soc node name in existing dts files -- once that is fixed, 32 * this can do a simple path lookup. 33 */ 34 devp = find_node_by_devtype(NULL, "soc"); 35 if (devp) { 36 void *serial = NULL; 37 38 setprop(devp, "bus-frequency", &bd.bi_busfreq, 39 sizeof(bd.bi_busfreq)); 40 41 while ((serial = find_node_by_devtype(serial, "serial"))) { 42 if (get_parent(serial) != devp) 43 continue; 44 45 setprop(serial, "clock-frequency", &bd.bi_busfreq, 46 sizeof(bd.bi_busfreq)); 47 } 48 } 49 50 devp = find_node_by_compatible(NULL, "fsl,cpm2-brg"); 51 if (devp) 52 setprop(devp, "clock-frequency", &bd.bi_brgfreq, 53 sizeof(bd.bi_brgfreq)); 54 } 55 56 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, 57 unsigned long r6, unsigned long r7) 58 { 59 CUBOOT_INIT(); 60 fdt_init(_dtb_start); 61 serial_console_init(); 62 platform_ops.fixups = platform_fixups; 63 } 64