| /* |
| * (C) Copyright Mindspeed Technologies Inc. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| #include <common.h> |
| #include <config.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/bits.h> |
| |
| #define WAN_PHY_BIT 0 |
| #define LAN_PHY_BIT 1 |
| static u8 wanlan_reset=0; |
| |
| /* |
| On the router board, the lan and the wan phy are taken out of reset by the same GPIO pin (17) |
| */ |
| |
| void reset_emac0_phy(u32 enable) |
| { |
| if(enable) |
| { //want to take the phy out of reset |
| wanlan_reset|=LAN_PHY_BIT; |
| *(volatile u32*) (GPIO_OE_REG) |= BIT17; |
| *(volatile u32*)(GPIO_OUTPUT_REG) |= BIT17; |
| |
| } |
| else |
| { |
| //want to put the phy in reset |
| wanlan_reset&=~LAN_PHY_BIT; |
| if(wanlan_reset==0) |
| { |
| *(volatile u32*) (GPIO_OE_REG) |= BIT17; |
| *(volatile u32*)(GPIO_OUTPUT_REG) &= ~BIT17; |
| } |
| } |
| |
| } |
| |
| void reset_emac1_phy(u32 enable) |
| { |
| if(enable) |
| { //want to take the phy out of reset |
| wanlan_reset|=WAN_PHY_BIT; |
| *(volatile u32*) (GPIO_OE_REG) |= BIT17; |
| *(volatile u32*)(GPIO_OUTPUT_REG) |= BIT17; |
| |
| } |
| else |
| { |
| //want to put the phy in reset |
| wanlan_reset&=~WAN_PHY_BIT; |
| if(wanlan_reset==0) |
| { |
| *(volatile u32*) (GPIO_OE_REG) |= BIT17; |
| *(volatile u32*)(GPIO_OUTPUT_REG) &= ~BIT17; |
| } |
| } |
| } |
| |