2 * Old U-boot compatibility for MPC5200
4 * Author: Grant Likely <grant.likely@secretlab.ca>
6 * Copyright (c) 2007 Secret Lab Technologies Ltd.
7 * Copyright (c) 2007 Freescale Semiconductor, Inc.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License version 2 as published
11 * by the Free Software Foundation.
19 #define TARGET_PPC_MPC52xx
24 static void platform_fixups(void)
31 dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
32 dt_fixup_mac_addresses(bd.bi_enetaddr);
33 dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
35 /* Unfortunately, the specific model number is encoded in the
36 * soc node name in existing dts files -- once that is fixed,
37 * this can do a simple path lookup.
39 soc = find_node_by_devtype(NULL, "soc");
41 setprop(soc, "bus-frequency", &bd.bi_ipbfreq,
42 sizeof(bd.bi_ipbfreq));
44 if (!dt_xlate_reg(soc, 0, (void*)®, NULL))
46 div = in_8(reg + 0x204) & 0x0020 ? 8 : 4;
47 sysfreq = bd.bi_busfreq * div;
48 setprop(soc, "system-frequency", &sysfreq, sizeof(sysfreq));
52 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
53 unsigned long r6, unsigned long r7)
56 ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
57 serial_console_init();
58 platform_ops.fixups = platform_fixups;