1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
8 #include <environment.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>
15 #define EFUSE_SN_OFFSET 20
16 #define EFUSE_SN_SIZE 16
17 #define EFUSE_MAC_OFFSET 52
18 #define EFUSE_MAC_SIZE 6
27 u8 mac_addr[EFUSE_MAC_SIZE];
28 char serial[EFUSE_SN_SIZE];
31 meson_gx_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
33 /* Enable power and clock gate */
34 setbits_le32(GX_GCLK_MPEG_0, GX_GCLK_MPEG_0_I2C);
36 /* Reset PHY on GPIOZ_14 */
37 clrbits_le32(GX_GPIO_EN(3), BIT(14));
38 clrbits_le32(GX_GPIO_OUT(3), BIT(14));
40 setbits_le32(GX_GPIO_OUT(3), BIT(14));
42 if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
43 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
44 mac_addr, EFUSE_MAC_SIZE);
45 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
46 eth_env_set_enetaddr("ethaddr", mac_addr);
49 if (!env_get("serial#")) {
50 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
52 if (len == EFUSE_SN_SIZE)
53 env_set("serial#", serial);
59 int ft_board_setup(void *blob, bd_t *bd)
61 meson_gx_init_reserved_memory(blob);