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https://github.com/u-boot/u-boot.git
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f51d3b71d4
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>
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/*
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* Copyright 2011 Freescale Semiconductor, Inc.
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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/io.h>
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#include <asm/immap_85xx.h>
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#include <asm/fsl_serdes.h>
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static 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,
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[FM2_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC2_1,
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[FM2_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC2_2,
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[FM2_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC2_3,
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[FM2_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC2_4,
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[FM2_10GEC1] = FSL_CORENET_DEVDISR2_10GEC2,
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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 *)(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 *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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/* don't allow disabling of DTSEC1 as its needed for MDIO */
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if (port == FM1_DTSEC1)
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return;
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setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
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}
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void fman_enable_port(enum fm_port port)
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{
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ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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clrbits_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 *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
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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(XAUI_FM1)))
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return PHY_INTERFACE_MODE_XGMII;
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if ((port == FM2_10GEC1) && (is_serdes_configured(XAUI_FM2)))
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return PHY_INTERFACE_MODE_XGMII;
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/* handle RGMII first */
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if ((port == FM1_DTSEC1) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) ==
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FSL_CORENET_RCWSR11_EC1_FM1_DTSEC1))
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return PHY_INTERFACE_MODE_RGMII;
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if ((port == FM1_DTSEC2) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) ==
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FSL_CORENET_RCWSR11_EC2_FM1_DTSEC2))
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return PHY_INTERFACE_MODE_RGMII;
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if ((port == FM2_DTSEC1) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) ==
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FSL_CORENET_RCWSR11_EC2_FM2_DTSEC1))
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return PHY_INTERFACE_MODE_RGMII;
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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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if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1))
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return PHY_INTERFACE_MODE_SGMII;
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break;
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case FM2_DTSEC1:
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case FM2_DTSEC2:
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case FM2_DTSEC3:
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case FM2_DTSEC4:
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if (is_serdes_configured(SGMII_FM2_DTSEC1 + port - FM2_DTSEC1))
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return PHY_INTERFACE_MODE_SGMII;
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break;
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default:
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return PHY_INTERFACE_MODE_NONE;
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}
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return PHY_INTERFACE_MODE_NONE;
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}
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