1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2018 Marek Beh��n <kabel@kernel.org>
4 */
5
6#include <common.h>
7#include <asm/arch/soc.h>
8#include <asm/io.h>
9#include <linux/bitops.h>
10#include <linux/delay.h>
11#include <mach/mbox.h>
12
13#include "mox_sp.h"
14
15const char *mox_sp_get_ecdsa_public_key(void)
16{
17	static char public_key[135];
18	u32 out[16];
19	int res;
20
21	if (public_key[0])
22		return public_key;
23
24	res = mbox_do_cmd(MBOX_CMD_ECDSA_PUB_KEY, NULL, 0, out, 16);
25	if (res < 0)
26		return NULL;
27
28	sprintf(public_key,
29		"%06x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x",
30		(u32)res, out[0], out[1], out[2], out[3], out[4], out[5],
31		out[6], out[7], out[8], out[9], out[10], out[11], out[12],
32		out[13], out[14], out[15]);
33
34	return public_key;
35}
36
37static inline void res_to_mac(u8 *mac, u32 t1, u32 t2)
38{
39	mac[0] = t1 >> 8;
40	mac[1] = t1;
41	mac[2] = t2 >> 24;
42	mac[3] = t2 >> 16;
43	mac[4] = t2 >> 8;
44	mac[5] = t2;
45}
46
47int mbox_sp_get_board_info(u64 *sn, u8 *mac1, u8 *mac2, int *bv, int *ram,
48			   enum cznic_a3720_board *board)
49{
50	u32 out[9];
51	int res;
52
53	res = mbox_do_cmd(MBOX_CMD_BOARD_INFO, NULL, 0, out, 9);
54	if (res < 0)
55		return res;
56
57	if (sn) {
58		*sn = out[1];
59		*sn <<= 32;
60		*sn |= out[0];
61	}
62
63	if (bv)
64		*bv = out[2];
65
66	if (ram)
67		*ram = out[3];
68
69	if (mac1)
70		res_to_mac(mac1, out[4], out[5]);
71
72	if (mac2)
73		res_to_mac(mac2, out[6], out[7]);
74
75	if (board)
76		*board = out[8] + 1;
77
78	return 0;
79}
80