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/mem.h> 13 #include <asm/arch/sm.h> 14 #include <asm/arch/eth.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_RGMII, 0); 33 34 /* Reset PHY on GPIOZ_14 */ 35 clrbits_le32(GX_GPIO_EN(3), BIT(14)); 36 clrbits_le32(GX_GPIO_OUT(3), BIT(14)); 37 mdelay(10); 38 setbits_le32(GX_GPIO_OUT(3), BIT(14)); 39 40 if (!eth_env_get_enetaddr("ethaddr", mac_addr)) { 41 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET, 42 mac_addr, EFUSE_MAC_SIZE); 43 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr)) 44 eth_env_set_enetaddr("ethaddr", mac_addr); 45 } 46 47 if (!env_get("serial#")) { 48 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial, 49 EFUSE_SN_SIZE); 50 if (len == EFUSE_SN_SIZE) 51 env_set("serial#", serial); 52 } 53 54 return 0; 55 } 56 57 int ft_board_setup(void *blob, bd_t *bd) 58 { 59 meson_gx_init_reserved_memory(blob); 60 61 return 0; 62 } 63