1 /* 2 * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <environment.h> 10 #include <asm/io.h> 11 #include <asm/arch/gxbb.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_RGMII, 0); 33 34 /* Enable power and clock gate */ 35 setbits_le32(GXBB_GCLK_MPEG_0, GXBB_GCLK_MPEG_0_I2C); 36 37 /* Reset PHY on GPIOZ_14 */ 38 clrbits_le32(GXBB_GPIO_EN(3), BIT(14)); 39 clrbits_le32(GXBB_GPIO_OUT(3), BIT(14)); 40 mdelay(10); 41 setbits_le32(GXBB_GPIO_OUT(3), BIT(14)); 42 43 if (!eth_env_get_enetaddr("ethaddr", mac_addr)) { 44 len = meson_sm_read_efuse(EFUSE_MAC_OFFSET, 45 mac_addr, EFUSE_MAC_SIZE); 46 if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr)) 47 eth_env_set_enetaddr("ethaddr", mac_addr); 48 } 49 50 if (!env_get("serial#")) { 51 len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial, 52 EFUSE_SN_SIZE); 53 if (len == EFUSE_SN_SIZE) 54 env_set("serial#", serial); 55 } 56 57 return 0; 58 } 59 60 int ft_board_setup(void *blob, bd_t *bd) 61 { 62 meson_gx_init_reserved_memory(blob); 63 64 return 0; 65 } 66