u-boot/board/hardkernel/odroid-c2/odroid-c2.c

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/*
* (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/gxbb.h>
#include <dm/platdata.h>
#include <phy.h>
int board_init(void)
{
return 0;
}
static const struct eth_pdata gxbb_eth_pdata = {
.iobase = GXBB_ETH_BASE,
.phy_interface = PHY_INTERFACE_MODE_RGMII,
};
U_BOOT_DEVICE(meson_eth) = {
.name = "eth_designware",
.platdata = &gxbb_eth_pdata,
};
int misc_init_r(void)
{
/* Select Ethernet function */
setbits_le32(GXBB_PINMUX(6), 0x3fff);
/* Set RGMII mode */
setbits_le32(GXBB_ETH_REG_0, GXBB_ETH_REG_0_PHY_INTF |
GXBB_ETH_REG_0_TX_PHASE(1) |
GXBB_ETH_REG_0_TX_RATIO(4) |
GXBB_ETH_REG_0_PHY_CLK_EN |
GXBB_ETH_REG_0_CLK_EN);
/* Enable power and clock gate */
setbits_le32(GXBB_GCLK_MPEG_1, GXBB_GCLK_MPEG_1_ETH);
clrbits_le32(GXBB_MEM_PD_REG_0, GXBB_MEM_PD_REG_0_ETH_MASK);
/* Reset PHY on GPIOZ_14 */
clrbits_le32(GXBB_GPIO_EN(3), BIT(14));
clrbits_le32(GXBB_GPIO_OUT(3), BIT(14));
mdelay(10);
setbits_le32(GXBB_GPIO_OUT(3), BIT(14));
return 0;
}