1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2011 Freescale Semiconductor, Inc. 4 */ 5 #include <common.h> 6 #include <phy.h> 7 #include <fm_eth.h> 8 #include <asm/io.h> 9 #include <asm/immap_85xx.h> 10 #include <asm/fsl_serdes.h> 11 12 static u32 port_to_devdisr[] = { 13 [FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1, 14 [FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2, 15 [FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3, 16 [FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4, 17 [FM1_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5, 18 [FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1, 19 }; 20 21 static int is_device_disabled(enum fm_port port) 22 { 23 ccsr_gur_t *gur = (void *)(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 *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 32 33 /* don't allow disabling of DTSEC1 as its needed for MDIO */ 34 if (port == FM1_DTSEC1) 35 return; 36 37 setbits_be32(&gur->devdisr2, port_to_devdisr[port]); 38 } 39 40 void fman_enable_port(enum fm_port port) 41 { 42 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 43 44 clrbits_be32(&gur->devdisr2, port_to_devdisr[port]); 45 } 46 47 phy_interface_t fman_port_enet_if(enum fm_port port) 48 { 49 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 50 u32 rcwsr11 = in_be32(&gur->rcwsr[11]); 51 52 if (is_device_disabled(port)) 53 return PHY_INTERFACE_MODE_NONE; 54 55 if ((port == FM1_10GEC1) && (is_serdes_configured(XAUI_FM1))) 56 return PHY_INTERFACE_MODE_XGMII; 57 58 /* handle RGMII first */ 59 if ((port == FM1_DTSEC4) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) == 60 FSL_CORENET_RCWSR11_EC1_FM1_DTSEC4_RGMII)) 61 return PHY_INTERFACE_MODE_RGMII; 62 63 if ((port == FM1_DTSEC4) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) == 64 FSL_CORENET_RCWSR11_EC1_FM1_DTSEC4_MII)) 65 return PHY_INTERFACE_MODE_MII; 66 67 if ((port == FM1_DTSEC5) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) == 68 FSL_CORENET_RCWSR11_EC2_FM1_DTSEC5_RGMII)) 69 return PHY_INTERFACE_MODE_RGMII; 70 71 if ((port == FM1_DTSEC5) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) == 72 FSL_CORENET_RCWSR11_EC2_FM1_DTSEC5_MII)) 73 return PHY_INTERFACE_MODE_MII; 74 75 switch (port) { 76 case FM1_DTSEC1: 77 case FM1_DTSEC2: 78 case FM1_DTSEC3: 79 case FM1_DTSEC4: 80 case FM1_DTSEC5: 81 if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1)) 82 return PHY_INTERFACE_MODE_SGMII; 83 break; 84 default: 85 return PHY_INTERFACE_MODE_NONE; 86 } 87 88 return PHY_INTERFACE_MODE_NONE; 89 } 90