1/*
 2 * Motload compatibility for the Emerson/Artesyn MVME7100
 3 *
 4 * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A.
 5 *
 6 * Author: Alessio Igor Bogani <alessio.bogani@elettra.eu>
 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 as published by the
10 * Free Software Foundation;  either version 2 of the  License, or (at your
11 * option) any later version.
12 *
13 */
14
15#include "ops.h"
16#include "stdio.h"
17#include "cuboot.h"
18
19#define TARGET_86xx
20#define TARGET_HAS_ETH1
21#define TARGET_HAS_ETH2
22#define TARGET_HAS_ETH3
23#include "ppcboot.h"
24
25static bd_t bd;
26
27BSS_STACK(16384);
28
29static void mvme7100_fixups(void)
30{
31	void *devp;
32	unsigned long busfreq = bd.bi_busfreq * 1000000;
33
34	dt_fixup_cpu_clocks(bd.bi_intfreq * 1000000, busfreq / 4, busfreq);
35
36	devp = finddevice("/soc@f1000000");
37	if (devp)
38		setprop(devp, "bus-frequency", &busfreq, sizeof(busfreq));
39
40	devp = finddevice("/soc/serial@4500");
41	if (devp)
42		setprop(devp, "clock-frequency", &busfreq, sizeof(busfreq));
43
44	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
45
46	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
47	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
48	dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
49	dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr);
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 = mvme7100_fixups;
59}