1/* 2 * Old U-boot compatibility for 83xx 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_83xx 18#include "ppcboot.h" 19 20static bd_t bd; 21 22static void platform_fixups(void) 23{ 24 void *soc; 25 26 dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); 27 dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); 28 dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); 29 dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq); 30 31 /* Unfortunately, the specific model number is encoded in the 32 * soc node name in existing dts files -- once that is fixed, 33 * this can do a simple path lookup. 34 */ 35 soc = find_node_by_devtype(NULL, "soc"); 36 if (soc) { 37 void *serial = NULL; 38 39 setprop(soc, "bus-frequency", &bd.bi_busfreq, 40 sizeof(bd.bi_busfreq)); 41 42 while ((serial = find_node_by_devtype(serial, "serial"))) { 43 if (get_parent(serial) != soc) 44 continue; 45 46 setprop(serial, "clock-frequency", &bd.bi_busfreq, 47 sizeof(bd.bi_busfreq)); 48 } 49 } 50} 51 52void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, 53 unsigned long r6, unsigned long r7) 54{ 55 CUBOOT_INIT(); 56 fdt_init(_dtb_start); 57 serial_console_init(); 58 platform_ops.fixups = platform_fixups; 59} 60