1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * 4 * DaVinci EMAC initialization. 5 * 6 * (C) Copyright 2011, Ilya Yanok, Emcraft Systems 7 */ 8 9 #include <common.h> 10 #include <asm/io.h> 11 #include <asm/arch/am35x_def.h> 12 13 /* 14 * Initializes on-chip ethernet controllers. 15 * to override, implement board_eth_init() 16 */ cpu_eth_init(bd_t * bis)17int cpu_eth_init(bd_t *bis) 18 { 19 u32 reset; 20 21 /* ensure that the module is out of reset */ 22 reset = readl(&am35x_scm_general_regs->ip_sw_reset); 23 reset &= ~CPGMACSS_SW_RST; 24 writel(reset, &am35x_scm_general_regs->ip_sw_reset); 25 26 return 0; 27 } 28