u-boot/drivers/net/fm/b4860.c
Valentin Longchamp f51d3b71d4 net/fman: add a fm_enable_port function
This can be useful if one wants to disable an interface in u-boot
because u-boot should not manage it but then later reenable it for FDT
fixing or if the kernel uses this interface.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
[York Sun: fix conflict in fm_eth.h]
Acked-by: York Sun <yorksun@freescale.com>
2013-10-24 09:35:59 -07:00

75 lines
1.8 KiB
C

/*
* Copyright 2012 Freescale Semiconductor, Inc.
* Roy Zang <tie-fei.zang@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <phy.h>
#include <fm_eth.h>
#include <asm/io.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_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5,
[FM1_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC1_6,
[FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1,
[FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2,
};
static int is_device_disabled(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(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 *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
}
void fman_enable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
}
phy_interface_t fman_port_enet_if(enum fm_port port)
{
if (is_device_disabled(port))
return PHY_INTERFACE_MODE_NONE;
/*B4860 has two 10Gig Mac*/
if ((port == FM1_10GEC1 || port == FM1_10GEC2) &&
((is_serdes_configured(XAUI_FM1_MAC9)) ||
(is_serdes_configured(XAUI_FM1_MAC10))))
return PHY_INTERFACE_MODE_XGMII;
/* Fix me need to handle RGMII here first */
switch (port) {
case FM1_DTSEC1:
case FM1_DTSEC2:
case FM1_DTSEC3:
case FM1_DTSEC4:
case FM1_DTSEC5:
case FM1_DTSEC6:
if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
return PHY_INTERFACE_MODE_SGMII;
break;
default:
return PHY_INTERFACE_MODE_NONE;
}
return PHY_INTERFACE_MODE_NONE;
}