diff options
Diffstat (limited to 'arch/arm/mach-davinci/ksz8873.c')
-rw-r--r-- | arch/arm/mach-davinci/ksz8873.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/ksz8873.c b/arch/arm/mach-davinci/ksz8873.c new file mode 100644 index 0000000000..75af13538d --- /dev/null +++ b/arch/arm/mach-davinci/ksz8873.c @@ -0,0 +1,53 @@ +/* + * 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> + * + * -------------------------------------------------------- + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <miiphy.h> +#include <net.h> +#include <asm/arch/emac_defs.h> +#include <asm/io.h> +#include "../../../drivers/net/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); +} |