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/* Copyright 2014 Freescale Semiconductor, Inc.
*
* Shengzhou Liu <Shengzhou.Liu@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <phy.h>
#include <fm_eth.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_serdes.h>
u32 port_to_devdisr[] = {
[FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1,
[FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2,
[FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3,
[FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4,
[FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1, /* MAC1 */
};
static int is_device_disabled(enum fm_port port)
{
ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
u32 devdisr2 = in_be32(&gur->devdisr2);
return port_to_devdisr[port] & devdisr2;
}
void fman_disable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
}
phy_interface_t fman_port_enet_if(enum fm_port port)
{
ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
u32 rcwsr13 = in_be32(&gur->rcwsr[13]);
if (is_device_disabled(port))
return PHY_INTERFACE_MODE_NONE;
if ((port == FM1_10GEC1) && (is_serdes_configured(XFI_FM1_MAC1)))
return PHY_INTERFACE_MODE_XGMII;
if ((port == FM1_DTSEC3) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
FSL_CORENET_RCWSR13_EC2_RGMII) &&
(!is_serdes_configured(QSGMII_FM1_A)))
return PHY_INTERFACE_MODE_RGMII;
if ((port == FM1_DTSEC4) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) ==
FSL_CORENET_RCWSR13_EC1_RGMII) &&
(!is_serdes_configured(QSGMII_FM1_A)))
return PHY_INTERFACE_MODE_RGMII;
/* handle SGMII */
switch (port) {
case FM1_DTSEC1:
case FM1_DTSEC2:
case FM1_DTSEC3:
if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
return PHY_INTERFACE_MODE_SGMII;
else if (is_serdes_configured(SGMII_2500_FM1_DTSEC1
+ port - FM1_DTSEC1))
return PHY_INTERFACE_MODE_SGMII_2500;
break;
default:
break;
}
/* handle QSGMII */
switch (port) {
case FM1_DTSEC1:
case FM1_DTSEC2:
case FM1_DTSEC3:
case FM1_DTSEC4:
/* check lane A on SerDes1 */
if (is_serdes_configured(QSGMII_FM1_A))
return PHY_INTERFACE_MODE_QSGMII;
break;
default:
break;
}
return PHY_INTERFACE_MODE_NONE;
}
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