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/*
* Copyright 2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <phy.h>
#include <fm_eth.h>
#include <asm/io.h>
#include <asm/arch/fsl_serdes.h>
#define FSL_CHASSIS2_RCWSR13_EC1 0xe0000000 /* bits 416..418 */
#define FSL_CHASSIS2_RCWSR13_EC1_DTSEC3_RGMII 0x00000000
#define FSL_CHASSIS2_RCWSR13_EC1_GPIO 0x20000000
#define FSL_CHASSIS2_RCWSR13_EC1_FTM 0xa0000000
#define FSL_CHASSIS2_RCWSR13_EC2 0x1c000000 /* bits 419..421 */
#define FSL_CHASSIS2_RCWSR13_EC2_DTSEC4_RGMII 0x00000000
#define FSL_CHASSIS2_RCWSR13_EC2_GPIO 0x04000000
#define FSL_CHASSIS2_RCWSR13_EC2_1588 0x08000000
#define FSL_CHASSIS2_RCWSR13_EC2_FTM 0x14000000
u32 port_to_devdisr[] = {
[FM1_DTSEC1] = FSL_CHASSIS2_DEVDISR2_DTSEC1_1,
[FM1_DTSEC2] = FSL_CHASSIS2_DEVDISR2_DTSEC1_2,
[FM1_DTSEC3] = FSL_CHASSIS2_DEVDISR2_DTSEC1_3,
[FM1_DTSEC4] = FSL_CHASSIS2_DEVDISR2_DTSEC1_4,
[FM1_DTSEC5] = FSL_CHASSIS2_DEVDISR2_DTSEC1_5,
[FM1_DTSEC6] = FSL_CHASSIS2_DEVDISR2_DTSEC1_6,
[FM1_DTSEC9] = FSL_CHASSIS2_DEVDISR2_DTSEC1_9,
[FM1_DTSEC10] = FSL_CHASSIS2_DEVDISR2_DTSEC1_10,
[FM1_10GEC1] = FSL_CHASSIS2_DEVDISR2_10GEC1_1,
[FM1_10GEC2] = FSL_CHASSIS2_DEVDISR2_10GEC1_2,
[FM1_10GEC3] = FSL_CHASSIS2_DEVDISR2_10GEC1_3,
[FM1_10GEC4] = FSL_CHASSIS2_DEVDISR2_10GEC1_4,
};
static int is_device_disabled(enum fm_port port)
{
struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
u32 devdisr2 = in_be32(&gur->devdisr2);
return port_to_devdisr[port] & devdisr2;
}
void fman_disable_port(enum fm_port port)
{
struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
}
phy_interface_t fman_port_enet_if(enum fm_port port)
{
struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_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_MAC9)))
return PHY_INTERFACE_MODE_XGMII;
if ((port == FM1_DTSEC9) && (is_serdes_configured(XFI_FM1_MAC9)))
return PHY_INTERFACE_MODE_NONE;
if (port == FM1_DTSEC3)
if ((rcwsr13 & FSL_CHASSIS2_RCWSR13_EC1) ==
FSL_CHASSIS2_RCWSR13_EC1_DTSEC3_RGMII) {
return PHY_INTERFACE_MODE_RGMII;
}
if (port == FM1_DTSEC4)
if ((rcwsr13 & FSL_CHASSIS2_RCWSR13_EC2) ==
FSL_CHASSIS2_RCWSR13_EC2_DTSEC4_RGMII) {
return PHY_INTERFACE_MODE_RGMII;
}
/* handle SGMII */
switch (port) {
case FM1_DTSEC1:
case FM1_DTSEC2:
if ((port == FM1_DTSEC2) &&
is_serdes_configured(SGMII_2500_FM1_DTSEC2))
return PHY_INTERFACE_MODE_SGMII_2500;
case FM1_DTSEC5:
case FM1_DTSEC6:
case FM1_DTSEC9:
if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
return PHY_INTERFACE_MODE_SGMII;
else if ((port == FM1_DTSEC9) &&
is_serdes_configured(SGMII_2500_FM1_DTSEC9))
return PHY_INTERFACE_MODE_SGMII_2500;
break;
default:
break;
}
/* handle QSGMII */
switch (port) {
case FM1_DTSEC1:
case FM1_DTSEC2:
case FM1_DTSEC5:
case FM1_DTSEC6:
/* only MAC 1,2,5,6 available for QSGMII */
if (is_serdes_configured(QSGMII_FM1_A))
return PHY_INTERFACE_MODE_QSGMII;
break;
default:
break;
}
return PHY_INTERFACE_MODE_NONE;
}
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