blob: e46fcaea6dcda73a22bade2a87645f5ae48fcea2 [file] [log] [blame]
Mohammad Rasimead6b402019-03-23 14:55:21 +03001// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
4 */
5
6#include <common.h>
7#include <dm.h>
Simon Glass9fb625c2019-08-01 09:46:51 -06008#include <env.h>
Mohammad Rasimead6b402019-03-23 14:55:21 +03009#include <asm/io.h>
10#include <asm/arch/gx.h>
11#include <asm/arch/sm.h>
12#include <asm/arch/eth.h>
13#include <asm/arch/mem.h>
14
15#define EFUSE_SN_OFFSET 20
16#define EFUSE_SN_SIZE 16
17#define EFUSE_MAC_OFFSET 52
18#define EFUSE_MAC_SIZE 6
19
20int misc_init_r(void)
21{
22 u8 mac_addr[EFUSE_MAC_SIZE];
23 char serial[EFUSE_SN_SIZE];
24 ssize_t len;
25
26 meson_eth_init(PHY_INTERFACE_MODE_RMII, 0);
27
28 if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
29 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
30 mac_addr, EFUSE_MAC_SIZE);
31 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
32 eth_env_set_enetaddr("ethaddr", mac_addr);
33 }
34
35 if (!env_get("serial#")) {
36 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
37 EFUSE_SN_SIZE);
38 if (len == EFUSE_SN_SIZE)
39 env_set("serial#", serial);
40 }
41
42 return 0;
43}