53 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
 | |
| /*
 | |
|  * Micrel KSZ8873 PHY Driver for TI DaVinci
 | |
|  * (TMS320DM644x) based boards.
 | |
|  *
 | |
|  * Copyright (C) 2011 Heiko Schocher <hsdenx.de>
 | |
|  *
 | |
|  * based on:
 | |
|  * National Semiconductor DP83848 PHY Driver for TI DaVinci
 | |
|  * (TMS320DM644x) based boards.
 | |
|  *
 | |
|  * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
 | |
|  *
 | |
|  * --------------------------------------------------------
 | |
|  */
 | |
| 
 | |
| #include <common.h>
 | |
| #include <miiphy.h>
 | |
| #include <net.h>
 | |
| #include <asm/arch/emac_defs.h>
 | |
| #include <asm/io.h>
 | |
| #include "../../../drivers/net/ti/davinci_emac.h"
 | |
| 
 | |
| int ksz8873_is_phy_connected(int phy_addr)
 | |
| {
 | |
| 	u_int16_t	dummy;
 | |
| 
 | |
| 	return davinci_eth_phy_read(phy_addr, MII_PHYSID1, &dummy);
 | |
| }
 | |
| 
 | |
| int ksz8873_get_link_speed(int phy_addr)
 | |
| {
 | |
| 	emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
 | |
| 
 | |
| 	/* we always have a link to the switch, 100 FD */
 | |
| 	writel((EMAC_MACCONTROL_MIIEN_ENABLE |
 | |
| 		EMAC_MACCONTROL_FULLDUPLEX_ENABLE),
 | |
| 	       &emac->MACCONTROL);
 | |
| 	return 1;
 | |
| }
 | |
| 
 | |
| 
 | |
| int ksz8873_init_phy(int phy_addr)
 | |
| {
 | |
| 	return 1;
 | |
| }
 | |
| 
 | |
| 
 | |
| int ksz8873_auto_negotiate(int phy_addr)
 | |
| {
 | |
| 	return dp83848_get_link_speed(phy_addr);
 | |
| }
 | 
