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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2011 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <phy.h>
#include <fm_eth.h>
#include <asm/io.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_serdes.h>
static u32 port_to_devdisr[] = {
[FM1_DTSEC1] = MPC85xx_DEVDISR_TSEC1,
[FM1_DTSEC2] = MPC85xx_DEVDISR_TSEC2,
};
static int is_device_disabled(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR);
u32 devdisr = in_be32(&gur->devdisr);
return port_to_devdisr[port] & devdisr;
}
void fman_disable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR);
/* don't allow disabling of DTSEC1 as its needed for MDIO */
if (port == FM1_DTSEC1)
return;
setbits_be32(&gur->devdisr, port_to_devdisr[port]);
}
void fman_enable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR);
clrbits_be32(&gur->devdisr, port_to_devdisr[port]);
}
phy_interface_t fman_port_enet_if(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR);
u32 pordevsr = in_be32(&gur->pordevsr);
if (is_device_disabled(port))
return PHY_INTERFACE_MODE_NA;
/* DTSEC1 can be SGMII, RGMII or RMII */
if (port == FM1_DTSEC1) {
if (is_serdes_configured(SGMII_FM1_DTSEC1))
return PHY_INTERFACE_MODE_SGMII;
if (pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS) {
if (pordevsr & MPC85xx_PORDEVSR_TSEC1_PRTC)
return PHY_INTERFACE_MODE_RGMII;
else
return PHY_INTERFACE_MODE_RMII;
}
}
/* DTSEC2 only supports SGMII or RGMII */
if (port == FM1_DTSEC2) {
if (is_serdes_configured(SGMII_FM1_DTSEC2))
return PHY_INTERFACE_MODE_SGMII;
if (pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)
return PHY_INTERFACE_MODE_RGMII;
}
return PHY_INTERFACE_MODE_NA;
}
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