Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Beniamino Galvani | d1037e4 | 2016-05-08 08:30:16 +0200 | [diff] [blame] | 2 | /* |
3 | * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com> | ||||
Beniamino Galvani | d1037e4 | 2016-05-08 08:30:16 +0200 | [diff] [blame] | 4 | */ |
5 | |||||
6 | #include <common.h> | ||||
Simon Glass | 11c89f3 | 2017-05-17 17:18:03 -0600 | [diff] [blame] | 7 | #include <dm.h> |
Simon Glass | 5e6201b | 2019-08-01 09:46:51 -0600 | [diff] [blame] | 8 | #include <env.h> |
Simon Glass | 9758973 | 2020-05-10 11:40:02 -0600 | [diff] [blame] | 9 | #include <init.h> |
Simon Glass | 274e0b0 | 2020-05-10 11:39:56 -0600 | [diff] [blame] | 10 | #include <net.h> |
Beniamino Galvani | d1037e4 | 2016-05-08 08:30:16 +0200 | [diff] [blame] | 11 | #include <asm/io.h> |
Neil Armstrong | 6e89d92 | 2018-04-11 17:13:45 +0200 | [diff] [blame] | 12 | #include <asm/arch/gx.h> |
Beniamino Galvani | 38e1a60 | 2016-05-08 08:30:17 +0200 | [diff] [blame] | 13 | #include <asm/arch/sm.h> |
Neil Armstrong | 1aca6b1 | 2017-11-27 10:16:17 +0100 | [diff] [blame] | 14 | #include <asm/arch/eth.h> |
Neil Armstrong | 8b24569 | 2017-11-27 10:35:46 +0100 | [diff] [blame] | 15 | #include <asm/arch/mem.h> |
Beniamino Galvani | d1037e4 | 2016-05-08 08:30:16 +0200 | [diff] [blame] | 16 | |
Beniamino Galvani | 38e1a60 | 2016-05-08 08:30:17 +0200 | [diff] [blame] | 17 | #define EFUSE_SN_OFFSET 20 |
18 | #define EFUSE_SN_SIZE 16 | ||||
19 | #define EFUSE_MAC_OFFSET 52 | ||||
20 | #define EFUSE_MAC_SIZE 6 | ||||
21 | |||||
Beniamino Galvani | d1037e4 | 2016-05-08 08:30:16 +0200 | [diff] [blame] | 22 | int misc_init_r(void) |
23 | { | ||||
Neil Armstrong | bfbe81a | 2024-03-20 09:46:11 +0100 | [diff] [blame^] | 24 | u8 mac_addr[EFUSE_MAC_SIZE + 1]; |
25 | char serial[EFUSE_SN_SIZE + 1]; | ||||
Beniamino Galvani | 38e1a60 | 2016-05-08 08:30:17 +0200 | [diff] [blame] | 26 | ssize_t len; |
27 | |||||
Simon Glass | 399a9ce | 2017-08-03 12:22:14 -0600 | [diff] [blame] | 28 | if (!eth_env_get_enetaddr("ethaddr", mac_addr)) { |
Beniamino Galvani | 38e1a60 | 2016-05-08 08:30:17 +0200 | [diff] [blame] | 29 | len = meson_sm_read_efuse(EFUSE_MAC_OFFSET, |
30 | mac_addr, EFUSE_MAC_SIZE); | ||||
Neil Armstrong | bfbe81a | 2024-03-20 09:46:11 +0100 | [diff] [blame^] | 31 | mac_addr[len] = '\0'; |
Beniamino Galvani | 38e1a60 | 2016-05-08 08:30:17 +0200 | [diff] [blame] | 32 | if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr)) |
Simon Glass | 8551d55 | 2017-08-03 12:22:11 -0600 | [diff] [blame] | 33 | eth_env_set_enetaddr("ethaddr", mac_addr); |
Christian Hewitt | 7d720b8 | 2024-03-24 15:19:05 +0000 | [diff] [blame] | 34 | else |
35 | meson_generate_serial_ethaddr(); | ||||
Beniamino Galvani | 38e1a60 | 2016-05-08 08:30:17 +0200 | [diff] [blame] | 36 | } |
37 | |||||
Simon Glass | 64b723f | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 38 | if (!env_get("serial#")) { |
Martin Böh | df15eec | 2017-06-23 13:40:00 +0000 | [diff] [blame] | 39 | len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial, |
40 | EFUSE_SN_SIZE); | ||||
Neil Armstrong | bfbe81a | 2024-03-20 09:46:11 +0100 | [diff] [blame^] | 41 | serial[len] = '\0'; |
Jerome Brunet | f897c4b | 2018-10-05 17:00:37 +0200 | [diff] [blame] | 42 | if (len == EFUSE_SN_SIZE) |
Simon Glass | 6a38e41 | 2017-08-03 12:22:09 -0600 | [diff] [blame] | 43 | env_set("serial#", serial); |
Martin Böh | df15eec | 2017-06-23 13:40:00 +0000 | [diff] [blame] | 44 | } |
45 | |||||
Beniamino Galvani | d1037e4 | 2016-05-08 08:30:16 +0200 | [diff] [blame] | 46 | return 0; |
47 | } |