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 #include <hwconfig.h> 13 14 u32 port_to_devdisr[] = { 15 [FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1, 16 [FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2, 17 [FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3, 18 [FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4, 19 [FM1_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5, 20 [FM1_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC1_6, 21 [FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1, 22 [FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2, 23 }; 24 25 static int is_device_disabled(enum fm_port port) 26 { 27 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 28 u32 devdisr2 = in_be32(&gur->devdisr2); 29 30 return port_to_devdisr[port] & devdisr2; 31 } 32 33 void fman_disable_port(enum fm_port port) 34 { 35 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 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 #if defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS) 50 u32 serdes2_prtcl; 51 char buffer[HWCONFIG_BUFFER_SIZE]; 52 char *buf = NULL; 53 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 54 #endif 55 56 if (is_device_disabled(port)) 57 return PHY_INTERFACE_MODE_NONE; 58 59 /*B4860 has two 10Gig Mac*/ 60 if ((port == FM1_10GEC1 || port == FM1_10GEC2) && 61 ((is_serdes_configured(XAUI_FM1_MAC9)) || 62 #if (!defined(CONFIG_TARGET_B4860QDS) && \ 63 !defined(CONFIG_TARGET_B4R420QDS)) 64 (is_serdes_configured(XFI_FM1_MAC9)) || 65 (is_serdes_configured(XFI_FM1_MAC10)) || 66 #endif 67 (is_serdes_configured(XAUI_FM1_MAC10)) 68 )) 69 return PHY_INTERFACE_MODE_XGMII; 70 71 #if defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS) 72 serdes2_prtcl = in_be32(&gur->rcwsr[4]) & 73 FSL_CORENET2_RCWSR4_SRDS2_PRTCL; 74 75 if (serdes2_prtcl) { 76 serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT; 77 switch (serdes2_prtcl) { 78 case 0x80: 79 case 0x81: 80 case 0x82: 81 case 0x83: 82 case 0x84: 83 case 0x85: 84 case 0x86: 85 case 0x87: 86 case 0x88: 87 case 0x89: 88 case 0x8a: 89 case 0x8b: 90 case 0x8c: 91 case 0x8d: 92 case 0x8e: 93 case 0xb1: 94 case 0xb2: 95 /* 96 * Extract hwconfig from environment since environment 97 * is not setup yet 98 */ 99 env_get_f("hwconfig", buffer, sizeof(buffer)); 100 buf = buffer; 101 102 /* check if XFI interface enable in hwconfig for 10g */ 103 if (hwconfig_subarg_cmp_f("fsl_b4860_serdes2", 104 "sfp_amc", "sfp", buf)) { 105 if ((port == FM1_10GEC1 || 106 port == FM1_10GEC2) && 107 ((is_serdes_configured(XFI_FM1_MAC9)) || 108 (is_serdes_configured(XFI_FM1_MAC10)))) 109 return PHY_INTERFACE_MODE_XGMII; 110 else if ((port == FM1_DTSEC1) || 111 (port == FM1_DTSEC2) || 112 (port == FM1_DTSEC3) || 113 (port == FM1_DTSEC4)) 114 return PHY_INTERFACE_MODE_NONE; 115 } 116 } 117 } 118 #endif 119 120 /* Fix me need to handle RGMII here first */ 121 122 switch (port) { 123 case FM1_DTSEC1: 124 case FM1_DTSEC2: 125 case FM1_DTSEC3: 126 case FM1_DTSEC4: 127 case FM1_DTSEC5: 128 case FM1_DTSEC6: 129 if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1)) 130 return PHY_INTERFACE_MODE_SGMII; 131 break; 132 default: 133 return PHY_INTERFACE_MODE_NONE; 134 } 135 136 return PHY_INTERFACE_MODE_NONE; 137 } 138