1 /* 2 * Copyright 2011 Freescale Semiconductor, Inc. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 17 * MA 02111-1307 USA 18 */ 19 #include <common.h> 20 #include <phy.h> 21 #include <fm_eth.h> 22 #include <asm/io.h> 23 #include <asm/immap_85xx.h> 24 #include <asm/fsl_serdes.h> 25 26 static u32 port_to_devdisr[] = { 27 [FM1_DTSEC1] = MPC85xx_DEVDISR_TSEC1, 28 [FM1_DTSEC2] = MPC85xx_DEVDISR_TSEC2, 29 }; 30 31 static int is_device_disabled(enum fm_port port) 32 { 33 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 34 u32 devdisr = in_be32(&gur->devdisr); 35 36 return port_to_devdisr[port] & devdisr; 37 } 38 39 void fman_disable_port(enum fm_port port) 40 { 41 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 42 43 /* don't allow disabling of DTSEC1 as its needed for MDIO */ 44 if (port == FM1_DTSEC1) 45 return; 46 47 setbits_be32(&gur->devdisr, port_to_devdisr[port]); 48 } 49 50 phy_interface_t fman_port_enet_if(enum fm_port port) 51 { 52 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 53 u32 pordevsr = in_be32(&gur->pordevsr); 54 55 if (is_device_disabled(port)) 56 return PHY_INTERFACE_MODE_NONE; 57 58 /* DTSEC1 can be SGMII, RGMII or RMII */ 59 if (port == FM1_DTSEC1) { 60 if (is_serdes_configured(SGMII_FM1_DTSEC1)) 61 return PHY_INTERFACE_MODE_SGMII; 62 if (pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS) { 63 if (pordevsr & MPC85xx_PORDEVSR_TSEC1_PRTC) 64 return PHY_INTERFACE_MODE_RGMII; 65 else 66 return PHY_INTERFACE_MODE_RMII; 67 } 68 } 69 70 /* DTSEC2 only supports SGMII or RGMII */ 71 if (port == FM1_DTSEC2) { 72 if (is_serdes_configured(SGMII_FM1_DTSEC2)) 73 return PHY_INTERFACE_MODE_SGMII; 74 if (pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS) 75 return PHY_INTERFACE_MODE_RGMII; 76 } 77 78 return PHY_INTERFACE_MODE_NONE; 79 } 80