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>

6 files changed, 0 insertions, 354 deletions

diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index df43b1d7e0..6887fe05dd 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -12,7 +12,6 @@ obj-$(CONFIG_SOC_DM365)	+= dm365.o
 obj-$(CONFIG_SOC_DM644X)	+= dm644x.o
 obj-$(CONFIG_SOC_DM646X)	+= dm646x.o
 obj-$(CONFIG_SOC_DA850)	+= da850_pinmux.o
-obj-$(CONFIG_DRIVER_TI_EMAC)	+= lxt972.o dp83848.o et1011c.o ksz8873.o
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_SPL_FRAMEWORK)	+= spl.o
diff --git a/arch/arm/mach-davinci/dp83848.c b/arch/arm/mach-davinci/dp83848.c
deleted file mode 100644
index 7115d7bad2..0000000000
--- a/arch/arm/mach-davinci/dp83848.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * National Semiconductor DP83848 PHY Driver for TI DaVinci
- * (TMS320DM644x) based boards.
- *
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- *
- * --------------------------------------------------------
- */
-
-#include <common.h>
-#include <net.h>
-#include <dp83848.h>
-#include <asm/arch/emac_defs.h>
-#include "../../../drivers/net/ti/davinci_emac.h"
-
-#ifdef CONFIG_DRIVER_TI_EMAC
-
-#ifdef CONFIG_CMD_NET
-
-int dp83848_is_phy_connected(int phy_addr)
-{
-	u_int16_t	id1, id2;
-
-	if (!davinci_eth_phy_read(phy_addr, DP83848_PHYID1_REG, &id1))
-		return(0);
-	if (!davinci_eth_phy_read(phy_addr, DP83848_PHYID2_REG, &id2))
-		return(0);
-
-	if ((id1 == DP83848_PHYID1_OUI) && (id2 == DP83848_PHYID2_OUI))
-		return(1);
-
-	return(0);
-}
-
-int dp83848_get_link_speed(int phy_addr)
-{
-	u_int16_t		tmp;
-	volatile emac_regs*	emac = (emac_regs *)EMAC_BASE_ADDR;
-
-	if (!davinci_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp))
-		return(0);
-
-	if (!(tmp & DP83848_LINK_STATUS))	/* link up? */
-		return(0);
-
-	if (!davinci_eth_phy_read(phy_addr, DP83848_PHY_STAT_REG, &tmp))
-		return(0);
-
-	/* Speed doesn't matter, there is no setting for it in EMAC... */
-	if (tmp & DP83848_DUPLEX) {
-		/* 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 dp83848_init_phy(int phy_addr)
-{
-	int	ret = 1;
-
-	if (!dp83848_get_link_speed(phy_addr)) {
-		/* Try another time */
-		udelay(100000);
-		ret = dp83848_get_link_speed(phy_addr);
-	}
-
-	/* Disable PHY Interrupts */
-	davinci_eth_phy_write(phy_addr, DP83848_PHY_INTR_CTRL_REG, 0);
-
-	return(ret);
-}
-
-
-int dp83848_auto_negotiate(int phy_addr)
-{
-	u_int16_t	tmp;
-
-
-	if (!davinci_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp))
-		return(0);
-
-	/* Restart Auto_negotiation  */
-	tmp &= ~DP83848_AUTONEG;	/* remove autonegotiation enable */
-	tmp |= DP83848_ISOLATE;		/* Electrically isolate PHY */
-	davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp);
-
-	/* Set the Auto_negotiation Advertisement Register
-	 * MII advertising for Next page, 100BaseTxFD and HD,
-	 * 10BaseTFD and HD, IEEE 802.3
-	 */
-	tmp = DP83848_NP | DP83848_TX_FDX | DP83848_TX_HDX |
-		DP83848_10_FDX | DP83848_10_HDX | DP83848_AN_IEEE_802_3;
-	davinci_eth_phy_write(phy_addr, DP83848_ANA_REG, tmp);
-
-
-	/* Read Control Register */
-	if (!davinci_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp))
-		return(0);
-
-	tmp |= DP83848_SPEED_SELECT | DP83848_AUTONEG | DP83848_DUPLEX_MODE;
-	davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp);
-
-	/* Restart Auto_negotiation  */
-	tmp |= DP83848_RESTART_AUTONEG;
-	davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp);
-
-	/*check AutoNegotiate complete */
-	udelay(10000);
-	if (!davinci_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp))
-		return(0);
-
-	if (!(tmp & DP83848_AUTONEG_COMP))
-		return(0);
-
-	return (dp83848_get_link_speed(phy_addr));
-}
-
-#endif	/* CONFIG_CMD_NET */
-
-#endif	/* CONFIG_DRIVER_ETHER */
diff --git a/arch/arm/mach-davinci/et1011c.c b/arch/arm/mach-davinci/et1011c.c
deleted file mode 100644
index bfb7ff2689..0000000000
--- a/arch/arm/mach-davinci/et1011c.c
+++ /dev/null
@@ -1,41 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * LSI ET1011C PHY Driver for TI DaVinci(TMS320DM6467) board.
- *
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
- */
-
-#include <common.h>
-#include <net.h>
-#include <miiphy.h>
-#include <asm/arch/emac_defs.h>
-#include "../../../drivers/net/ti/davinci_emac.h"
-
-#ifdef CONFIG_DRIVER_TI_EMAC
-
-#ifdef CONFIG_CMD_NET
-
-/* LSI PHYSICAL LAYER TRANSCEIVER ET1011C */
-
-#define MII_PHY_CONFIG_REG		22
-
-/* PHY Config bits */
-#define PHY_SYS_CLK_EN			(1 << 4)
-
-int et1011c_get_link_speed(int phy_addr)
-{
-	u_int16_t	data;
-
-	if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &data) && (data & 0x04)) {
-		davinci_eth_phy_read(phy_addr, MII_PHY_CONFIG_REG, &data);
-		/* Enable 125MHz clock sourced from PHY */
-		davinci_eth_phy_write(phy_addr, MII_PHY_CONFIG_REG,
-			data | PHY_SYS_CLK_EN);
-		return (1);
-	}
-	return (0);
-}
-
-#endif	/* CONFIG_CMD_NET */
-
-#endif	/* CONFIG_DRIVER_ETHER */
diff --git a/arch/arm/mach-davinci/include/mach/emac_defs.h b/arch/arm/mach-davinci/include/mach/emac_defs.h
index b08d06dd24..2e85d842c0 100644
--- a/arch/arm/mach-davinci/include/mach/emac_defs.h
+++ b/arch/arm/mach-davinci/include/mach/emac_defs.h
@@ -69,25 +69,4 @@
 #define EMAC_MDIO_CLOCK_FREQ		2000000		/* 2.0 MHz */
 #endif
 
-#define PHY_KSZ8873	(0x00221450)
-int ksz8873_is_phy_connected(int phy_addr);
-int ksz8873_get_link_speed(int phy_addr);
-int ksz8873_init_phy(int phy_addr);
-int ksz8873_auto_negotiate(int phy_addr);
-
-#define PHY_LXT972	(0x001378e2)
-int lxt972_is_phy_connected(int phy_addr);
-int lxt972_get_link_speed(int phy_addr);
-int lxt972_init_phy(int phy_addr);
-int lxt972_auto_negotiate(int phy_addr);
-
-#define PHY_DP83848	(0x20005c90)
-int dp83848_is_phy_connected(int phy_addr);
-int dp83848_get_link_speed(int phy_addr);
-int dp83848_init_phy(int phy_addr);
-int dp83848_auto_negotiate(int phy_addr);
-
-#define PHY_ET1011C	(0x282f013)
-int et1011c_get_link_speed(int phy_addr);
-
 #endif  /* _DM644X_EMAC_H_ */
diff --git a/arch/arm/mach-davinci/ksz8873.c b/arch/arm/mach-davinci/ksz8873.c
deleted file mode 100644
index 85b0c2620c..0000000000
--- a/arch/arm/mach-davinci/ksz8873.c
+++ /dev/null
@@ -1,52 +0,0 @@
-// 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);
-}
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 */