xref: /openbmc/u-boot/board/amlogic/p212/p212.c (revision cbd2fba1)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2016 BayLibre, SAS
4  * Author: Neil Armstrong <narmstrong@baylibre.com>
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <environment.h>
10 #include <asm/io.h>
11 #include <asm/arch/gx.h>
12 #include <asm/arch/sm.h>
13 #include <asm/arch/eth.h>
14 #include <asm/arch/mem.h>
15 
16 #define EFUSE_SN_OFFSET		20
17 #define EFUSE_SN_SIZE		16
18 #define EFUSE_MAC_OFFSET	52
19 #define EFUSE_MAC_SIZE		6
20 
21 int board_init(void)
22 {
23 	return 0;
24 }
25 
26 int misc_init_r(void)
27 {
28 	u8 mac_addr[EFUSE_MAC_SIZE];
29 	char serial[EFUSE_SN_SIZE];
30 	ssize_t len;
31 
32 	meson_gx_eth_init(PHY_INTERFACE_MODE_RMII,
33 			  MESON_GXL_USE_INTERNAL_RMII_PHY);
34 
35 	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
36 		len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
37 					  mac_addr, EFUSE_MAC_SIZE);
38 		if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
39 			eth_env_set_enetaddr("ethaddr", mac_addr);
40 	}
41 
42 	if (!env_get("serial#")) {
43 		len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
44 			EFUSE_SN_SIZE);
45 		if (len == EFUSE_SN_SIZE)
46 			env_set("serial#", serial);
47 	}
48 
49 	return 0;
50 }
51 
52 int ft_board_setup(void *blob, bd_t *bd)
53 {
54 	meson_gx_init_reserved_memory(blob);
55 
56 	return 0;
57 }
58