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
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