1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2012 Freescale Semiconductor, Inc. 4 * Roy Zang <tie-fei.zang (at) freescale.com> 5 */ 6 #include <common.h> 7 #include <phy.h> 8 #include <fm_eth.h> 9 #include <asm/io.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_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5, 19 [FM1_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC1_6, 20 [FM1_DTSEC9] = FSL_CORENET_DEVDISR2_DTSEC1_9, 21 [FM1_DTSEC10] = FSL_CORENET_DEVDISR2_DTSEC1_10, 22 [FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1, 23 [FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2, 24 [FM2_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC2_1, 25 [FM2_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC2_2, 26 [FM2_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC2_3, 27 [FM2_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC2_4, 28 [FM2_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC2_5, 29 [FM2_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC2_6, 30 [FM2_DTSEC9] = FSL_CORENET_DEVDISR2_DTSEC2_9, 31 [FM2_DTSEC10] = FSL_CORENET_DEVDISR2_DTSEC2_10, 32 [FM2_10GEC1] = FSL_CORENET_DEVDISR2_10GEC2_1, 33 [FM2_10GEC2] = FSL_CORENET_DEVDISR2_10GEC2_2, 34 }; 35 36 static int is_device_disabled(enum fm_port port) 37 { 38 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 39 u32 devdisr2 = in_be32(&gur->devdisr2); 40 41 return port_to_devdisr[port] & devdisr2; 42 } 43 44 void fman_disable_port(enum fm_port port) 45 { 46 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 47 48 setbits_be32(&gur->devdisr2, port_to_devdisr[port]); 49 } 50 51 void fman_enable_port(enum fm_port port) 52 { 53 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 54 55 clrbits_be32(&gur->devdisr2, port_to_devdisr[port]); 56 } 57 58 phy_interface_t fman_port_enet_if(enum fm_port port) 59 { 60 ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 61 u32 rcwsr13 = in_be32(&gur->rcwsr[13]); 62 63 if (is_device_disabled(port)) 64 return PHY_INTERFACE_MODE_NONE; 65 66 if ((port == FM1_10GEC1 || port == FM1_10GEC2) && 67 ((is_serdes_configured(XAUI_FM1_MAC9)) || 68 (is_serdes_configured(XAUI_FM1_MAC10)) || 69 (is_serdes_configured(XFI_FM1_MAC9)) || 70 (is_serdes_configured(XFI_FM1_MAC10)))) 71 return PHY_INTERFACE_MODE_XGMII; 72 73 if ((port == FM1_DTSEC9 || port == FM1_DTSEC10) && 74 ((is_serdes_configured(XFI_FM1_MAC9)) || 75 (is_serdes_configured(XFI_FM1_MAC10)))) 76 return PHY_INTERFACE_MODE_NONE; 77 78 if ((port == FM2_10GEC1 || port == FM2_10GEC2) && 79 ((is_serdes_configured(XAUI_FM2_MAC9)) || 80 (is_serdes_configured(XAUI_FM2_MAC10)) || 81 (is_serdes_configured(XFI_FM2_MAC9)) || 82 (is_serdes_configured(XFI_FM2_MAC10)))) 83 return PHY_INTERFACE_MODE_XGMII; 84 85 #define FSL_CORENET_RCWSR13_EC1 0x60000000 /* bits 417..418 */ 86 #define FSL_CORENET_RCWSR13_EC1_FM2_DTSEC5_RGMII 0x00000000 87 #define FSL_CORENET_RCWSR13_EC1_FM2_GPIO 0x40000000 88 #define FSL_CORENET_RCWSR13_EC2 0x18000000 /* bits 419..420 */ 89 #define FSL_CORENET_RCWSR13_EC2_FM1_DTSEC5_RGMII 0x00000000 90 #define FSL_CORENET_RCWSR13_EC2_FM2_DTSEC6_RGMII 0x08000000 91 #define FSL_CORENET_RCWSR13_EC2_FM1_GPIO 0x10000000 92 /* handle RGMII first */ 93 if ((port == FM2_DTSEC5) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) == 94 FSL_CORENET_RCWSR13_EC1_FM2_DTSEC5_RGMII)) 95 return PHY_INTERFACE_MODE_RGMII; 96 97 if ((port == FM1_DTSEC5) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) == 98 FSL_CORENET_RCWSR13_EC2_FM1_DTSEC5_RGMII)) 99 return PHY_INTERFACE_MODE_RGMII; 100 101 if ((port == FM2_DTSEC6) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) == 102 FSL_CORENET_RCWSR13_EC2_FM2_DTSEC6_RGMII)) 103 return PHY_INTERFACE_MODE_RGMII; 104 switch (port) { 105 case FM1_DTSEC1: 106 case FM1_DTSEC2: 107 case FM1_DTSEC3: 108 case FM1_DTSEC4: 109 case FM1_DTSEC5: 110 case FM1_DTSEC6: 111 case FM1_DTSEC9: 112 case FM1_DTSEC10: 113 if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1)) 114 return PHY_INTERFACE_MODE_SGMII; 115 break; 116 case FM2_DTSEC1: 117 case FM2_DTSEC2: 118 case FM2_DTSEC3: 119 case FM2_DTSEC4: 120 case FM2_DTSEC5: 121 case FM2_DTSEC6: 122 case FM2_DTSEC9: 123 case FM2_DTSEC10: 124 if (is_serdes_configured(SGMII_FM2_DTSEC1 + port - FM2_DTSEC1)) 125 return PHY_INTERFACE_MODE_SGMII; 126 break; 127 default: 128 break; 129 } 130 131 /* handle QSGMII */ 132 switch (port) { 133 case FM1_DTSEC1: 134 case FM1_DTSEC2: 135 case FM1_DTSEC3: 136 case FM1_DTSEC4: 137 /* check lane G on SerDes1 */ 138 if (is_serdes_configured(QSGMII_FM1_A)) 139 return PHY_INTERFACE_MODE_QSGMII; 140 break; 141 case FM1_DTSEC5: 142 case FM1_DTSEC6: 143 case FM1_DTSEC9: 144 case FM1_DTSEC10: 145 /* check lane C on SerDes1 */ 146 if (is_serdes_configured(QSGMII_FM1_B)) 147 return PHY_INTERFACE_MODE_QSGMII; 148 break; 149 case FM2_DTSEC1: 150 case FM2_DTSEC2: 151 case FM2_DTSEC3: 152 case FM2_DTSEC4: 153 /* check lane G on SerDes2 */ 154 if (is_serdes_configured(QSGMII_FM2_A)) 155 return PHY_INTERFACE_MODE_QSGMII; 156 break; 157 case FM2_DTSEC5: 158 case FM2_DTSEC6: 159 case FM2_DTSEC9: 160 case FM2_DTSEC10: 161 /* check lane C on SerDes2 */ 162 if (is_serdes_configured(QSGMII_FM2_B)) 163 return PHY_INTERFACE_MODE_QSGMII; 164 break; 165 default: 166 break; 167 } 168 169 return PHY_INTERFACE_MODE_NONE; 170 } 171