upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/drivers/net/fm/t4240.c

170 lines
4.9 KiB

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2012 Freescale Semiconductor, Inc.
* Roy Zang <tie-fei.zang@freescale.com>
*/
#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_DTSEC9] = FSL_CORENET_DEVDISR2_DTSEC1_9,
[FM1_DTSEC10] = FSL_CORENET_DEVDISR2_DTSEC1_10,
[FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1,
[FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2,
[FM2_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC2_1,
[FM2_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC2_2,
[FM2_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC2_3,
[FM2_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC2_4,
[FM2_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC2_5,
[FM2_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC2_6,
[FM2_DTSEC9] = FSL_CORENET_DEVDISR2_DTSEC2_9,
[FM2_DTSEC10] = FSL_CORENET_DEVDISR2_DTSEC2_10,
[FM2_10GEC1] = FSL_CORENET_DEVDISR2_10GEC2_1,
[FM2_10GEC2] = FSL_CORENET_DEVDISR2_10GEC2_2,
};
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]);
}
void fman_enable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
clrbits_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 || port == FM1_10GEC2) &&
((is_serdes_configured(XAUI_FM1_MAC9)) ||
(is_serdes_configured(XAUI_FM1_MAC10)) ||
(is_serdes_configured(XFI_FM1_MAC9)) ||
(is_serdes_configured(XFI_FM1_MAC10))))
return PHY_INTERFACE_MODE_XGMII;
if ((port == FM1_DTSEC9 || port == FM1_DTSEC10) &&
((is_serdes_configured(XFI_FM1_MAC9)) ||
(is_serdes_configured(XFI_FM1_MAC10))))
return PHY_INTERFACE_MODE_NONE;
if ((port == FM2_10GEC1 || port == FM2_10GEC2) &&
((is_serdes_configured(XAUI_FM2_MAC9)) ||
(is_serdes_configured(XAUI_FM2_MAC10)) ||
(is_serdes_configured(XFI_FM2_MAC9)) ||
(is_serdes_configured(XFI_FM2_MAC10))))
return PHY_INTERFACE_MODE_XGMII;
#define FSL_CORENET_RCWSR13_EC1 0x60000000 /* bits 417..418 */
#define FSL_CORENET_RCWSR13_EC1_FM2_DTSEC5_RGMII 0x00000000
#define FSL_CORENET_RCWSR13_EC1_FM2_GPIO 0x40000000
#define FSL_CORENET_RCWSR13_EC2 0x18000000 /* bits 419..420 */
#define FSL_CORENET_RCWSR13_EC2_FM1_DTSEC5_RGMII 0x00000000
#define FSL_CORENET_RCWSR13_EC2_FM2_DTSEC6_RGMII 0x08000000
#define FSL_CORENET_RCWSR13_EC2_FM1_GPIO 0x10000000
/* handle RGMII first */
if ((port == FM2_DTSEC5) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) ==
FSL_CORENET_RCWSR13_EC1_FM2_DTSEC5_RGMII))
return PHY_INTERFACE_MODE_RGMII;
if ((port == FM1_DTSEC5) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
FSL_CORENET_RCWSR13_EC2_FM1_DTSEC5_RGMII))
return PHY_INTERFACE_MODE_RGMII;
if ((port == FM2_DTSEC6) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
FSL_CORENET_RCWSR13_EC2_FM2_DTSEC6_RGMII))
return PHY_INTERFACE_MODE_RGMII;
switch (port) {
case FM1_DTSEC1:
case FM1_DTSEC2:
case FM1_DTSEC3:
case FM1_DTSEC4:
case FM1_DTSEC5:
case FM1_DTSEC6:
case FM1_DTSEC9:
case FM1_DTSEC10:
if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
return PHY_INTERFACE_MODE_SGMII;
break;
case FM2_DTSEC1:
case FM2_DTSEC2:
case FM2_DTSEC3:
case FM2_DTSEC4:
case FM2_DTSEC5:
case FM2_DTSEC6:
case FM2_DTSEC9:
case FM2_DTSEC10:
if (is_serdes_configured(SGMII_FM2_DTSEC1 + port - FM2_DTSEC1))
return PHY_INTERFACE_MODE_SGMII;
break;
default:
break;
}
/* handle QSGMII */
switch (port) {
case FM1_DTSEC1:
case FM1_DTSEC2:
case FM1_DTSEC3:
case FM1_DTSEC4:
/* check lane G on SerDes1 */
if (is_serdes_configured(QSGMII_FM1_A))
return PHY_INTERFACE_MODE_QSGMII;
break;
case FM1_DTSEC5:
case FM1_DTSEC6:
case FM1_DTSEC9:
case FM1_DTSEC10:
/* check lane C on SerDes1 */
if (is_serdes_configured(QSGMII_FM1_B))
return PHY_INTERFACE_MODE_QSGMII;
break;
case FM2_DTSEC1:
case FM2_DTSEC2:
case FM2_DTSEC3:
case FM2_DTSEC4:
/* check lane G on SerDes2 */
if (is_serdes_configured(QSGMII_FM2_A))
return PHY_INTERFACE_MODE_QSGMII;
break;
case FM2_DTSEC5:
case FM2_DTSEC6:
case FM2_DTSEC9:
case FM2_DTSEC10:
/* check lane C on SerDes2 */
if (is_serdes_configured(QSGMII_FM2_B))
return PHY_INTERFACE_MODE_QSGMII;
break;
default:
break;
}
return PHY_INTERFACE_MODE_NONE;
}