upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/cpu/armv7/omap3/emac.c

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1.3 KiB

/*
*
* DaVinci EMAC initialization.
*
* (C) Copyright 2011, Ilya Yanok, Emcraft Systems
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#include <common.h>
#include <netdev.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 davinci_emac_initialize();
}