arm: davinci: remove dead code for PHYs used by DaVinci DM* boards

The support for DaVinci DM* boards has been dropped a while ago. The
code for all those PHYs is no longer used and they have their own
proper PHY drivers in drivers/net/phy anyway. Remove all dead code.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

1 files changed, 0 insertions, 112 deletions

diff --git a/arch/arm/mach-davinci/lxt972.c b/arch/arm/mach-davinci/lxt972.c
deleted file mode 100644
index b54f67dbfe..0000000000
--- a/arch/arm/mach-davinci/lxt972.c
+++ /dev/null
@@ -1,112 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Intel LXT971/LXT972 PHY Driver for TI DaVinci
- * (TMS320DM644x) based boards.
- *
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- *
- * --------------------------------------------------------
- */
-
-#include <common.h>
-#include <net.h>
-#include <miiphy.h>
-#include <lxt971a.h>
-#include <asm/arch/emac_defs.h>
-#include "../../../drivers/net/ti/davinci_emac.h"
-
-#ifdef CONFIG_DRIVER_TI_EMAC
-
-#ifdef CONFIG_CMD_NET
-
-int lxt972_is_phy_connected(int phy_addr)
-{
-	u_int16_t id1, id2;
-
-	if (!davinci_eth_phy_read(phy_addr, MII_PHYSID1, &id1))
-		return(0);
-	if (!davinci_eth_phy_read(phy_addr, MII_PHYSID2, &id2))
-		return(0);
-
-	if ((id1 == (0x0013)) && ((id2  & 0xfff0) == 0x78e0))
-		return(1);
-
-	return(0);
-}
-
-int lxt972_get_link_speed(int phy_addr)
-{
-	u_int16_t stat1, tmp;
-	volatile emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
-
-	if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_STAT2, &stat1))
-		return(0);
-
-	if (!(stat1 & PHY_LXT971_STAT2_LINK))	/* link up? */
-		return(0);
-
-	if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp))
-		return(0);
-
-	tmp |= PHY_LXT971_DIG_CFG_MII_DRIVE;
-
-	davinci_eth_phy_write(phy_addr, PHY_LXT971_DIG_CFG, tmp);
-	/* Read back */
-	if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp))
-		return(0);
-
-	/* Speed doesn't matter, there is no setting for it in EMAC... */
-	if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) {
-		/* set DM644x EMAC for Full Duplex  */
-		emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE |
-			EMAC_MACCONTROL_FULLDUPLEX_ENABLE;
-	} else {
-		/*set DM644x EMAC for Half Duplex  */
-		emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE;
-	}
-
-	return(1);
-}
-
-
-int lxt972_init_phy(int phy_addr)
-{
-	int ret = 1;
-
-	if (!lxt972_get_link_speed(phy_addr)) {
-		/* Try another time */
-		ret = lxt972_get_link_speed(phy_addr);
-	}
-
-	/* Disable PHY Interrupts */
-	davinci_eth_phy_write(phy_addr, PHY_LXT971_INT_ENABLE, 0);
-
-	return(ret);
-}
-
-
-int lxt972_auto_negotiate(int phy_addr)
-{
-	u_int16_t tmp;
-
-	if (!davinci_eth_phy_read(phy_addr, MII_BMCR, &tmp))
-		return(0);
-
-	/* Restart Auto_negotiation  */
-	tmp |= BMCR_ANRESTART;
-	davinci_eth_phy_write(phy_addr, MII_BMCR, tmp);
-
-	/*check AutoNegotiate complete */
-	udelay (10000);
-	if (!davinci_eth_phy_read(phy_addr, MII_BMSR, &tmp))
-		return(0);
-
-	if (!(tmp & BMSR_ANEGCOMPLETE))
-		return(0);
-
-	return (lxt972_get_link_speed(phy_addr));
-}
-
-#endif	/* CONFIG_CMD_NET */
-
-#endif	/* CONFIG_DRIVER_ETHER */