mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-30 15:03:18 +00:00
86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2016 Amarula Solutions B.V.
|
||
|
|
* Copyright (C) 2016 Engicam S.r.l.
|
||
|
|
* Author: Jagan Teki <jagan@amarulasolutions.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <miiphy.h>
|
||
|
|
#include <netdev.h>
|
||
|
|
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm-generic/gpio.h>
|
||
|
|
|
||
|
|
#include <linux/delay.h>
|
||
|
|
|
||
|
|
#include <asm/arch/clock.h>
|
||
|
|
#include <asm/arch/imx8mm_pins.h>
|
||
|
|
#include <asm/arch/sys_proto.h>
|
||
|
|
#include <asm/mach-imx/gpio.h>
|
||
|
|
#include <asm/mach-imx/iomux-v3.h>
|
||
|
|
|
||
|
|
DECLARE_GLOBAL_DATA_PTR;
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_FEC_MXC)
|
||
|
|
|
||
|
|
#define FEC_RST_PAD IMX_GPIO_NR(3, 7)
|
||
|
|
static iomux_v3_cfg_t const fec1_rst_pads[] = {
|
||
|
|
IMX8MM_PAD_NAND_DATA01_GPIO3_IO7 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||
|
|
};
|
||
|
|
|
||
|
|
static void setup_iomux_fec(void)
|
||
|
|
{
|
||
|
|
imx_iomux_v3_setup_multiple_pads(fec1_rst_pads,
|
||
|
|
ARRAY_SIZE(fec1_rst_pads));
|
||
|
|
|
||
|
|
gpio_request(FEC_RST_PAD, "fec1_rst");
|
||
|
|
gpio_direction_output(FEC_RST_PAD, 0);
|
||
|
|
udelay(500);
|
||
|
|
gpio_direction_output(FEC_RST_PAD, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int setup_fec(void)
|
||
|
|
{
|
||
|
|
struct iomuxc_gpr_base_regs *gpr =
|
||
|
|
(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
|
||
|
|
|
||
|
|
setup_iomux_fec();
|
||
|
|
|
||
|
|
/* Use 125M anatop REF_CLK1 for ENET1, not from external */
|
||
|
|
clrsetbits_le32(&gpr->gpr[1], 13, 0);
|
||
|
|
|
||
|
|
return set_clk_enet(ENET_125MHZ);
|
||
|
|
}
|
||
|
|
|
||
|
|
int board_phy_config(struct phy_device *phydev)
|
||
|
|
{
|
||
|
|
/* enable rgmii rxc skew and phy mode select to RGMII copper */
|
||
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
|
||
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
|
||
|
|
|
||
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
|
||
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
|
||
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
|
||
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
|
||
|
|
|
||
|
|
if (phydev->drv->config)
|
||
|
|
phydev->drv->config(phydev);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int board_init(void)
|
||
|
|
{
|
||
|
|
if (IS_ENABLED(CONFIG_FEC_MXC))
|
||
|
|
setup_fec();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int board_mmc_get_env_dev(int devno)
|
||
|
|
{
|
||
|
|
return devno;
|
||
|
|
}
|