1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2016 BayLibre, SAS
- * Author: Neil Armstrong <narmstrong@baylibre.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <env.h>
- #include <asm/io.h>
- #include <asm/arch/gx.h>
- #include <asm/arch/sm.h>
- #include <asm/arch/eth.h>
- #include <asm/arch/mem.h>
- #define EFUSE_SN_OFFSET 20
- #define EFUSE_SN_SIZE 16
- #define EFUSE_MAC_OFFSET 52
- #define EFUSE_MAC_SIZE 6
- int misc_init_r(void)
- {
- u8 mac_addr[EFUSE_MAC_SIZE];
- char serial[EFUSE_SN_SIZE];
- ssize_t len;
- meson_eth_init(PHY_INTERFACE_MODE_RMII,
- MESON_USE_INTERNAL_RMII_PHY);
- if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
- len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
- mac_addr, EFUSE_MAC_SIZE);
- if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
- eth_env_set_enetaddr("ethaddr", mac_addr);
- else
- meson_generate_serial_ethaddr();
- }
- if (!env_get("serial#")) {
- len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
- EFUSE_SN_SIZE);
- if (len == EFUSE_SN_SIZE)
- env_set("serial#", serial);
- }
- return 0;
- }
|