net: Remove dnet driver

This driver is not enabled by any board and not converted to DM_ETH.
Remove.

Signed-off-by: Tom Rini <trini@konsulko.com>

1 files changed, 0 insertions, 395 deletions

diff --git a/drivers/net/dnet.c b/drivers/net/dnet.c
deleted file mode 100644
index fbcf15f268..0000000000
--- a/drivers/net/dnet.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/*
- * Dave Ethernet Controller driver
- *
- * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <common.h>
-#include <log.h>
-#include <linux/delay.h>
-
-#ifndef CONFIG_DNET_AUTONEG_TIMEOUT
-#define CONFIG_DNET_AUTONEG_TIMEOUT	5000000	/* default value */
-#endif
-
-#include <net.h>
-#include <malloc.h>
-#include <linux/mii.h>
-
-#include <miiphy.h>
-#include <asm/io.h>
-#include <asm/unaligned.h>
-
-#include "dnet.h"
-
-struct dnet_device {
-	struct dnet_registers	*regs;
-	const struct device	*dev;
-	struct eth_device	netdev;
-	unsigned short		phy_addr;
-};
-
-/* get struct dnet_device from given struct netdev */
-#define to_dnet(_nd) container_of(_nd, struct dnet_device, netdev)
-
-/* function for reading internal MAC register */
-u16 dnet_readw_mac(struct dnet_device *dnet, u16 reg)
-{
-	u16 data_read;
-
-	/* issue a read */
-	writel(reg, &dnet->regs->MACREG_ADDR);
-
-	/* since a read/write op to the MAC is very slow,
-	 * we must wait before reading the data */
-	udelay(1);
-
-	/* read data read from the MAC register */
-	data_read = readl(&dnet->regs->MACREG_DATA);
-
-	/* all done */
-	return data_read;
-}
-
-/* function for writing internal MAC register */
-void dnet_writew_mac(struct dnet_device *dnet, u16 reg, u16 val)
-{
-	/* load data to write */
-	writel(val, &dnet->regs->MACREG_DATA);
-
-	/* issue a write */
-	writel(reg | DNET_INTERNAL_WRITE, &dnet->regs->MACREG_ADDR);
-
-	/* since a read/write op to the MAC is very slow,
-	 * we must wait before exiting */
-	udelay(1);
-}
-
-static void dnet_mdio_write(struct dnet_device *dnet, u8 reg, u16 value)
-{
-	u16 tmp;
-
-	debug(DRIVERNAME "dnet_mdio_write %02x:%02x <- %04x\n",
-			dnet->phy_addr, reg, value);
-
-	while (!(dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG) &
-				DNET_INTERNAL_GMII_MNG_CMD_FIN))
-		;
-
-	/* prepare for a write operation */
-	tmp = (1 << 13);
-
-	/* only 5 bits allowed for register offset */
-	reg &= 0x1f;
-
-	/* prepare reg_value for a write */
-	tmp |= (dnet->phy_addr << 8);
-	tmp |= reg;
-
-	/* write data to write first */
-	dnet_writew_mac(dnet, DNET_INTERNAL_GMII_MNG_DAT_REG, value);
-
-	/* write control word */
-	dnet_writew_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG, tmp);
-
-	while (!(dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG) &
-				DNET_INTERNAL_GMII_MNG_CMD_FIN))
-		;
-}
-
-static u16 dnet_mdio_read(struct dnet_device *dnet, u8 reg)
-{
-	u16 value;
-
-	while (!(dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG) &
-				DNET_INTERNAL_GMII_MNG_CMD_FIN))
-		;
-
-	/* only 5 bits allowed for register offset*/
-	reg &= 0x1f;
-
-	/* prepare reg_value for a read */
-	value = (dnet->phy_addr << 8);
-	value |= reg;
-
-	/* write control word */
-	dnet_writew_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG, value);
-
-	/* wait for end of transfer */
-	while (!(dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_CTL_REG) &
-				DNET_INTERNAL_GMII_MNG_CMD_FIN))
-		;
-
-	value = dnet_readw_mac(dnet, DNET_INTERNAL_GMII_MNG_DAT_REG);
-
-	debug(DRIVERNAME "dnet_mdio_read %02x:%02x <- %04x\n",
-		dnet->phy_addr, reg, value);
-
-	return value;
-}
-
-static int dnet_send(struct eth_device *netdev, void *packet, int length)
-{
-	struct dnet_device *dnet = to_dnet(netdev);
-	int i, wrsz;
-	unsigned int *bufp;
-	unsigned int tx_cmd;
-
-	debug(DRIVERNAME "[%s] Sending %u bytes\n", __func__, length);
-
-	bufp = (unsigned int *) (((u32)packet) & 0xFFFFFFFC);
-	wrsz = (u32)length + 3;
-	wrsz += ((u32)packet) & 0x3;
-	wrsz >>= 2;
-	tx_cmd = ((((unsigned int)(packet)) & 0x03) << 16) | (u32)length;
-
-	/* check if there is enough room for the current frame */
-	if (wrsz < (DNET_FIFO_SIZE - readl(&dnet->regs->TX_FIFO_WCNT))) {
-		for (i = 0; i < wrsz; i++)
-			writel(*bufp++, &dnet->regs->TX_DATA_FIFO);
-		/*
-		 * inform MAC that a packet's written and ready
-		 * to be shipped out
-		 */
-		writel(tx_cmd, &dnet->regs->TX_LEN_FIFO);
-	} else {
-		printf(DRIVERNAME "No free space (actual %d, required %d "
-				"(words))\n", DNET_FIFO_SIZE -
-				readl(&dnet->regs->TX_FIFO_WCNT), wrsz);
-	}
-
-	/* No one cares anyway */
-	return 0;
-}
-
-
-static int dnet_recv(struct eth_device *netdev)
-{
-	struct dnet_device *dnet = to_dnet(netdev);
-	unsigned int *data_ptr;
-	int pkt_len, poll, i;
-	u32 cmd_word;
-
-	debug("Waiting for pkt (polling)\n");
-	poll = 50;
-	while ((readl(&dnet->regs->RX_FIFO_WCNT) >> 16) == 0) {
-		udelay(10);  /* wait 10 usec */
-		if (--poll == 0)
-			return 0;	/* no pkt available */
-	}
-
-	cmd_word = readl(&dnet->regs->RX_LEN_FIFO);
-	pkt_len = cmd_word & 0xFFFF;
-
-	debug("Got pkt with size %d bytes\n", pkt_len);
-
-	if (cmd_word & 0xDF180000)
-		printf("%s packet receive error %x\n", __func__, cmd_word);
-
-	data_ptr = (unsigned int *)net_rx_packets[0];
-
-	for (i = 0; i < (pkt_len + 3) >> 2; i++)
-		*data_ptr++ = readl(&dnet->regs->RX_DATA_FIFO);
-
-	/* ok + 5 ?? */
-	net_process_received_packet(net_rx_packets[0], pkt_len + 5);
-
-	return 0;
-}
-
-static void dnet_set_hwaddr(struct eth_device *netdev)
-{
-	struct dnet_device *dnet = to_dnet(netdev);
-	u16 tmp;
-
-	tmp = get_unaligned_be16(netdev->enetaddr);
-	dnet_writew_mac(dnet, DNET_INTERNAL_MAC_ADDR_0_REG, tmp);
-	tmp = get_unaligned_be16(&netdev->enetaddr[2]);
-	dnet_writew_mac(dnet, DNET_INTERNAL_MAC_ADDR_1_REG, tmp);
-	tmp = get_unaligned_be16(&netdev->enetaddr[4]);
-	dnet_writew_mac(dnet, DNET_INTERNAL_MAC_ADDR_2_REG, tmp);
-}
-
-static void dnet_phy_reset(struct dnet_device *dnet)
-{
-	struct eth_device *netdev = &dnet->netdev;
-	int i;
-	u16 status, adv;
-
-	adv = ADVERTISE_CSMA | ADVERTISE_ALL;
-	dnet_mdio_write(dnet, MII_ADVERTISE, adv);
-	printf("%s: Starting autonegotiation...\n", netdev->name);
-	dnet_mdio_write(dnet, MII_BMCR, (BMCR_ANENABLE
-					 | BMCR_ANRESTART));
-
-	for (i = 0; i < CONFIG_DNET_AUTONEG_TIMEOUT / 100; i++) {
-		status = dnet_mdio_read(dnet, MII_BMSR);
-		if (status & BMSR_ANEGCOMPLETE)
-			break;
-		udelay(100);
-	}
-
-	if (status & BMSR_ANEGCOMPLETE)
-		printf("%s: Autonegotiation complete\n", netdev->name);
-	else
-		printf("%s: Autonegotiation timed out (status=0x%04x)\n",
-		       netdev->name, status);
-}
-
-static int dnet_phy_init(struct dnet_device *dnet)
-{
-	struct eth_device *netdev = &dnet->netdev;
-	u16 phy_id, status, adv, lpa;
-	int media, speed, duplex;
-	int i;
-	u32 ctl_reg;
-
-	/* Find a PHY */
-	for (i = 0; i < 32; i++) {
-		dnet->phy_addr = i;
-		phy_id = dnet_mdio_read(dnet, MII_PHYSID1);
-		if (phy_id != 0xffff) {
-			/* ok we found it */
-			printf("Found PHY at address %d PHYID (%04x:%04x)\n",
-					i, phy_id,
-					dnet_mdio_read(dnet, MII_PHYSID2));
-			break;
-		}
-	}
-
-	/* Check if the PHY is up to snuff... */
-	phy_id = dnet_mdio_read(dnet, MII_PHYSID1);
-	if (phy_id == 0xffff) {
-		printf("%s: No PHY present\n", netdev->name);
-		return -1;
-	}
-
-	status = dnet_mdio_read(dnet, MII_BMSR);
-	if (!(status & BMSR_LSTATUS)) {
-		/* Try to re-negotiate if we don't have link already. */
-		dnet_phy_reset(dnet);
-
-		for (i = 0; i < CONFIG_DNET_AUTONEG_TIMEOUT / 100; i++) {
-			status = dnet_mdio_read(dnet, MII_BMSR);
-			if (status & BMSR_LSTATUS)
-				break;
-			udelay(100);
-		}
-	}
-
-	if (!(status & BMSR_LSTATUS)) {
-		printf("%s: link down (status: 0x%04x)\n",
-		       netdev->name, status);
-		return -1;
-	} else {
-		adv = dnet_mdio_read(dnet, MII_ADVERTISE);
-		lpa = dnet_mdio_read(dnet, MII_LPA);
-		media = mii_nway_result(lpa & adv);
-		speed = (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)
-			 ? 1 : 0);
-		duplex = (media & ADVERTISE_FULL) ? 1 : 0;
-		/* 1000BaseT ethernet is not supported */
-		printf("%s: link up, %sMbps %s-duplex (lpa: 0x%04x)\n",
-		       netdev->name,
-		       speed ? "100" : "10",
-		       duplex ? "full" : "half",
-		       lpa);
-
-		ctl_reg = dnet_readw_mac(dnet, DNET_INTERNAL_RXTX_CONTROL_REG);
-
-		if (duplex)
-			ctl_reg &= ~(DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP);
-		else
-			ctl_reg |= DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP;
-
-		dnet_writew_mac(dnet, DNET_INTERNAL_RXTX_CONTROL_REG, ctl_reg);
-
-		return 0;
-	}
-}
-
-static int dnet_init(struct eth_device *netdev, struct bd_info *bd)
-{
-	struct dnet_device *dnet = to_dnet(netdev);
-	u32 config;
-
-	/*
-	 * dnet_halt should have been called at some point before now,
-	 * so we'll assume the controller is idle.
-	 */
-
-	/* set hardware address */
-	dnet_set_hwaddr(netdev);
-
-	if (dnet_phy_init(dnet) < 0)
-		return -1;
-
-	/* flush rx/tx fifos */
-	writel(DNET_SYS_CTL_RXFIFOFLUSH | DNET_SYS_CTL_TXFIFOFLUSH,
-			&dnet->regs->SYS_CTL);
-	udelay(1000);
-	writel(0, &dnet->regs->SYS_CTL);
-
-	config = dnet_readw_mac(dnet, DNET_INTERNAL_RXTX_CONTROL_REG);
-
-	config |= DNET_INTERNAL_RXTX_CONTROL_RXPAUSE |
-			DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST |
-			DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL |
-			DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS;
-
-	dnet_writew_mac(dnet, DNET_INTERNAL_RXTX_CONTROL_REG, config);
-
-	/* Enable TX and RX */
-	dnet_writew_mac(dnet, DNET_INTERNAL_MODE_REG,
-			DNET_INTERNAL_MODE_RXEN | DNET_INTERNAL_MODE_TXEN);
-
-	return 0;
-}
-
-static void dnet_halt(struct eth_device *netdev)
-{
-	struct dnet_device *dnet = to_dnet(netdev);
-
-	/* Disable TX and RX */
-	dnet_writew_mac(dnet, DNET_INTERNAL_MODE_REG, 0);
-}
-
-int dnet_eth_initialize(int id, void *regs, unsigned int phy_addr)
-{
-	struct dnet_device *dnet;
-	struct eth_device *netdev;
-	unsigned int dev_capa;
-
-	dnet = malloc(sizeof(struct dnet_device));
-	if (!dnet) {
-		printf("Error: Failed to allocate memory for DNET%d\n", id);
-		return -1;
-	}
-	memset(dnet, 0, sizeof(struct dnet_device));
-
-	netdev = &dnet->netdev;
-
-	dnet->regs = (struct dnet_registers *)regs;
-	dnet->phy_addr = phy_addr;
-
-	sprintf(netdev->name, "dnet%d", id);
-	netdev->init = dnet_init;
-	netdev->halt = dnet_halt;
-	netdev->send = dnet_send;
-	netdev->recv = dnet_recv;
-
-	dev_capa = readl(&dnet->regs->VERCAPS) & 0xFFFF;
-	debug("%s: has %smdio, %sirq, %sgigabit, %sdma \n", netdev->name,
-		(dev_capa & DNET_HAS_MDIO) ? "" : "no ",
-		(dev_capa & DNET_HAS_IRQ) ? "" : "no ",
-		(dev_capa & DNET_HAS_GIGABIT) ? "" : "no ",
-		(dev_capa & DNET_HAS_DMA) ? "" : "no ");
-
-	eth_register(netdev);
-
-	return 0;
-}