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