1 // SPDX-License-Identifier: GPL-2.0+ 2 /* Copyright 2014 Freescale Semiconductor, Inc. 3 * 4 * Shengzhou Liu <Shengzhou.Liu@freescale.com> 5 */ 6 7 #include <common.h> 8 #include <phy.h> 9 #include <fm_eth.h> 10 #include <asm/immap_85xx.h> 11 #include <asm/fsl_serdes.h> 12 13 u32 port_to_devdisr[] = { 14 [FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1, 15 [FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2, 16 [FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3, 17 [FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4, 18 [FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1, /* MAC1 */ 19 }; 20 21 static int is_device_disabled(enum fm_port port) 22 { 23 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 24 u32 devdisr2 = in_be32(&gur->devdisr2); 25 26 return port_to_devdisr[port] & devdisr2; 27 } 28 29 void fman_disable_port(enum fm_port port) 30 { 31 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 32 33 setbits_be32(&gur->devdisr2, port_to_devdisr[port]); 34 } 35 36 phy_interface_t fman_port_enet_if(enum fm_port port) 37 { 38 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 39 u32 rcwsr13 = in_be32(&gur->rcwsr[13]); 40 41 if (is_device_disabled(port)) 42 return PHY_INTERFACE_MODE_NONE; 43 44 if ((port == FM1_10GEC1) && (is_serdes_configured(XFI_FM1_MAC1))) 45 return PHY_INTERFACE_MODE_XGMII; 46 47 if ((port == FM1_DTSEC3) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) == 48 FSL_CORENET_RCWSR13_EC2_RGMII) && 49 (!is_serdes_configured(QSGMII_FM1_A))) 50 return PHY_INTERFACE_MODE_RGMII; 51 52 if ((port == FM1_DTSEC4) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) == 53 FSL_CORENET_RCWSR13_EC1_RGMII) && 54 (!is_serdes_configured(QSGMII_FM1_A))) 55 return PHY_INTERFACE_MODE_RGMII; 56 57 /* handle SGMII */ 58 switch (port) { 59 case FM1_DTSEC1: 60 case FM1_DTSEC2: 61 case FM1_DTSEC3: 62 if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1)) 63 return PHY_INTERFACE_MODE_SGMII; 64 else if (is_serdes_configured(SGMII_2500_FM1_DTSEC1 65 + port - FM1_DTSEC1)) 66 return PHY_INTERFACE_MODE_SGMII_2500; 67 break; 68 default: 69 break; 70 } 71 72 /* handle QSGMII */ 73 switch (port) { 74 case FM1_DTSEC1: 75 case FM1_DTSEC2: 76 case FM1_DTSEC3: 77 case FM1_DTSEC4: 78 /* check lane A on SerDes1 */ 79 if (is_serdes_configured(QSGMII_FM1_A)) 80 return PHY_INTERFACE_MODE_QSGMII; 81 break; 82 default: 83 break; 84 } 85 86 return PHY_INTERFACE_MODE_NONE; 87 } 88