| Kumar Gala | c916d7c | 2011-04-13 08:37:44 -0500 | [diff] [blame^] | 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 | 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 | phy_interface_t fman_port_enet_if(enum fm_port port) |
| 40 | { |
| 41 | ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| 42 | u32 pordevsr = in_be32(&gur->pordevsr); |
| 43 | |
| 44 | if (is_device_disabled(port)) |
| 45 | return PHY_INTERFACE_MODE_NONE; |
| 46 | |
| 47 | /* DTSEC1 can be SGMII, RGMII or RMII */ |
| 48 | if (port == FM1_DTSEC1) { |
| 49 | if (is_serdes_configured(SGMII_FM1_DTSEC1)) |
| 50 | return PHY_INTERFACE_MODE_SGMII; |
| 51 | if (pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS) { |
| 52 | if (pordevsr & MPC85xx_PORDEVSR_TSEC1_PRTC) |
| 53 | return PHY_INTERFACE_MODE_RGMII; |
| 54 | else |
| 55 | return PHY_INTERFACE_MODE_RMII; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | /* DTSEC2 only supports SGMII or RGMII */ |
| 60 | if (port == FM1_DTSEC2) { |
| 61 | if (is_serdes_configured(SGMII_FM1_DTSEC2)) |
| 62 | return PHY_INTERFACE_MODE_SGMII; |
| 63 | if (pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS) |
| 64 | return PHY_INTERFACE_MODE_RGMII; |
| 65 | } |
| 66 | |
| 67 | return PHY_INTERFACE_MODE_NONE; |
| 68 | } |