xref: /OK3568_Linux_fs/u-boot/board/sr1500/socfpga.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2015 Stefan Roese <sr@denx.de>
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <asm/arch/reset_manager.h>
9*4882a593Smuzhiyun #include <asm/gpio.h>
10*4882a593Smuzhiyun #include <asm/io.h>
11*4882a593Smuzhiyun 
board_early_init_f(void)12*4882a593Smuzhiyun int board_early_init_f(void)
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun 	int ret;
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun 	/* Reset the Marvell PHY 88E1510 */
17*4882a593Smuzhiyun 	ret = gpio_request(63, "PHY reset");
18*4882a593Smuzhiyun 	if (ret)
19*4882a593Smuzhiyun 		return ret;
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	gpio_direction_output(63, 0);
22*4882a593Smuzhiyun 	mdelay(1);
23*4882a593Smuzhiyun 	gpio_set_value(63, 1);
24*4882a593Smuzhiyun 	mdelay(10);
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	return 0;
27*4882a593Smuzhiyun }
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