u-boot/arch/arm/mach-omap2/omap3/emac.c

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// SPDX-License-Identifier: GPL-2.0+
/*
*
* DaVinci EMAC initialization.
*
* (C) Copyright 2011, Ilya Yanok, Emcraft Systems
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/am35x_def.h>
/*
* Initializes on-chip ethernet controllers.
* to override, implement board_eth_init()
*/
int cpu_eth_init(bd_t *bis)
{
u32 reset;
/* ensure that the module is out of reset */
reset = readl(&am35x_scm_general_regs->ip_sw_reset);
reset &= ~CPGMACSS_SW_RST;
writel(reset, &am35x_scm_general_regs->ip_sw_reset);
return 0;
}