1 /* 2 * Old U-boot compatibility for 85xx 3 * 4 * Author: Scott Wood <scottwood@freescale.com> 5 * 6 * Copyright (c) 2007 Freescale Semiconductor, Inc. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License version 2 as published 10 * by the Free Software Foundation. 11 */ 12 13 #include "ops.h" 14 #include "stdio.h" 15 #include "cuboot.h" 16 17 #define TARGET_85xx 18 #define TARGET_CPM2 19 #include "ppcboot.h" 20 21 static bd_t bd; 22 23 static void platform_fixups(void) 24 { 25 void *devp; 26 27 dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); 28 dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); 29 dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); 30 dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); 31 dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq); 32 33 /* Unfortunately, the specific model number is encoded in the 34 * soc node name in existing dts files -- once that is fixed, 35 * this can do a simple path lookup. 36 */ 37 devp = find_node_by_devtype(NULL, "soc"); 38 if (devp) { 39 void *serial = NULL; 40 41 setprop(devp, "bus-frequency", &bd.bi_busfreq, 42 sizeof(bd.bi_busfreq)); 43 44 while ((serial = find_node_by_devtype(serial, "serial"))) { 45 if (get_parent(serial) != devp) 46 continue; 47 48 setprop(serial, "clock-frequency", &bd.bi_busfreq, 49 sizeof(bd.bi_busfreq)); 50 } 51 } 52 53 devp = find_node_by_compatible(NULL, "fsl,cpm2-brg"); 54 if (devp) 55 setprop(devp, "clock-frequency", &bd.bi_brgfreq, 56 sizeof(bd.bi_brgfreq)); 57 } 58 59 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, 60 unsigned long r6, unsigned long r7) 61 { 62 CUBOOT_INIT(); 63 fdt_init(_dtb_start); 64 serial_console_init(); 65 platform_ops.fixups = platform_fixups; 66 } 67