drivers: remove Blackfin specific drivers

These drivers have no user since commit ea3310e8aafa ("Blackfin:
Remove").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>

1 files changed, 0 insertions, 519 deletions

diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
deleted file mode 100644
index 26a626b4cb..0000000000
--- a/drivers/net/bfin_mac.c
+++ /dev/null
@@ -1,519 +0,0 @@
-/*
- * Driver for Blackfin On-Chip MAC device
- *
- * Copyright (c) 2005-2008 Analog Device, Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <config.h>
-#include <net.h>
-#include <netdev.h>
-#include <command.h>
-#include <malloc.h>
-#include <miiphy.h>
-#include <linux/mdio.h>
-#include <linux/mii.h>
-
-#include <asm/blackfin.h>
-#include <asm/clock.h>
-#include <asm/portmux.h>
-#include <asm/mach-common/bits/dma.h>
-#include <asm/mach-common/bits/emac.h>
-#include <asm/mach-common/bits/pll.h>
-
-#include "bfin_mac.h"
-
-#ifndef CONFIG_PHY_ADDR
-# define CONFIG_PHY_ADDR 1
-#endif
-#ifndef CONFIG_PHY_CLOCK_FREQ
-# define CONFIG_PHY_CLOCK_FREQ 2500000
-#endif
-
-#ifdef CONFIG_POST
-#include <post.h>
-#endif
-
-#define RXBUF_BASE_ADDR		0xFF900000
-#define TXBUF_BASE_ADDR		0xFF800000
-#define TX_BUF_CNT		1
-
-#define TOUT_LOOP		1000000
-
-static ADI_ETHER_BUFFER *txbuf[TX_BUF_CNT];
-static ADI_ETHER_BUFFER *rxbuf[PKTBUFSRX];
-static u16 txIdx;		/* index of the current RX buffer */
-static u16 rxIdx;		/* index of the current TX buffer */
-
-/* DMAx_CONFIG values at DMA Restart */
-static const union {
-	u16 data;
-	ADI_DMA_CONFIG_REG reg;
-} txdmacfg = {
-	.reg = {
-		.b_DMA_EN  = 1,	/* enabled */
-		.b_WNR     = 0,	/* read from memory */
-		.b_WDSIZE  = 2,	/* wordsize is 32 bits */
-		.b_DMA2D   = 0,
-		.b_RESTART = 0,
-		.b_DI_SEL  = 0,
-		.b_DI_EN   = 0,	/* no interrupt */
-		.b_NDSIZE  = 5,	/* 5 half words is desc size */
-		.b_FLOW    = 7	/* large desc flow */
-	},
-};
-
-static int bfin_miiphy_wait(void)
-{
-	/* poll the STABUSY bit */
-	while (bfin_read_EMAC_STAADD() & STABUSY)
-		continue;
-	return 0;
-}
-
-static int bfin_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg)
-{
-	ushort val = 0;
-	if (bfin_miiphy_wait())
-		return 1;
-	bfin_write_EMAC_STAADD(SET_PHYAD(addr) | SET_REGAD(reg) | STABUSY);
-	if (bfin_miiphy_wait())
-		return 1;
-	val = bfin_read_EMAC_STADAT();
-	return val;
-}
-
-static int bfin_miiphy_write(struct mii_dev *bus, int addr, int devad,
-			     int reg, u16 val)
-{
-	if (bfin_miiphy_wait())
-		return 1;
-	bfin_write_EMAC_STADAT(val);
-	bfin_write_EMAC_STAADD(SET_PHYAD(addr) | SET_REGAD(reg) | STAOP | STABUSY);
-	return 0;
-}
-
-int bfin_EMAC_initialize(bd_t *bis)
-{
-	struct eth_device *dev;
-	dev = malloc(sizeof(*dev));
-	if (dev == NULL)
-		hang();
-
-	memset(dev, 0, sizeof(*dev));
-	strcpy(dev->name, "bfin_mac");
-
-	dev->iobase = 0;
-	dev->priv = 0;
-	dev->init = bfin_EMAC_init;
-	dev->halt = bfin_EMAC_halt;
-	dev->send = bfin_EMAC_send;
-	dev->recv = bfin_EMAC_recv;
-	dev->write_hwaddr = bfin_EMAC_setup_addr;
-
-	eth_register(dev);
-
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
-	int retval;
-	struct mii_dev *mdiodev = mdio_alloc();
-	if (!mdiodev)
-		return -ENOMEM;
-	strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
-	mdiodev->read = bfin_miiphy_read;
-	mdiodev->write = bfin_miiphy_write;
-
-	retval = mdio_register(mdiodev);
-	if (retval < 0)
-		return retval;
-
-	dev->priv = mdiodev;
-#endif
-
-	return 0;
-}
-
-static int bfin_EMAC_send(struct eth_device *dev, void *packet, int length)
-{
-	int i;
-	int result = 0;
-
-	if (length <= 0) {
-		printf("Ethernet: bad packet size: %d\n", length);
-		goto out;
-	}
-
-	if (bfin_read_DMA2_IRQ_STATUS() & DMA_ERR) {
-		printf("Ethernet: tx DMA error\n");
-		goto out;
-	}
-
-	for (i = 0; (bfin_read_DMA2_IRQ_STATUS() & DMA_RUN); ++i) {
-		if (i > TOUT_LOOP) {
-			puts("Ethernet: tx time out\n");
-			goto out;
-		}
-	}
-	txbuf[txIdx]->FrmData->NoBytes = length;
-	memcpy(txbuf[txIdx]->FrmData->Dest, (void *)packet, length);
-	txbuf[txIdx]->Dma[0].START_ADDR = (u32) txbuf[txIdx]->FrmData;
-	bfin_write_DMA2_NEXT_DESC_PTR(txbuf[txIdx]->Dma);
-	bfin_write_DMA2_CONFIG(txdmacfg.data);
-	bfin_write_EMAC_OPMODE(bfin_read_EMAC_OPMODE() | TE);
-
-	for (i = 0; (txbuf[txIdx]->StatusWord & TX_COMP) == 0; i++) {
-		if (i > TOUT_LOOP) {
-			puts("Ethernet: tx error\n");
-			goto out;
-		}
-	}
-	result = txbuf[txIdx]->StatusWord;
-	txbuf[txIdx]->StatusWord = 0;
-	if ((txIdx + 1) >= TX_BUF_CNT)
-		txIdx = 0;
-	else
-		txIdx++;
- out:
-	debug("BFIN EMAC send: length = %d\n", length);
-	return result;
-}
-
-static int bfin_EMAC_recv(struct eth_device *dev)
-{
-	int length = 0;
-
-	for (;;) {
-		if ((rxbuf[rxIdx]->StatusWord & RX_COMP) == 0) {
-			length = -1;
-			break;
-		}
-		if ((rxbuf[rxIdx]->StatusWord & RX_DMAO) != 0) {
-			printf("Ethernet: rx dma overrun\n");
-			break;
-		}
-		if ((rxbuf[rxIdx]->StatusWord & RX_OK) == 0) {
-			printf("Ethernet: rx error\n");
-			break;
-		}
-		length = rxbuf[rxIdx]->StatusWord & 0x000007FF;
-		if (length <= 4) {
-			printf("Ethernet: bad frame\n");
-			break;
-		}
-
-		debug("%s: len = %d\n", __func__, length - 4);
-
-		net_rx_packets[rxIdx] = rxbuf[rxIdx]->FrmData->Dest;
-		net_process_received_packet(net_rx_packets[rxIdx], length - 4);
-		bfin_write_DMA1_IRQ_STATUS(DMA_DONE | DMA_ERR);
-		rxbuf[rxIdx]->StatusWord = 0x00000000;
-		if ((rxIdx + 1) >= PKTBUFSRX)
-			rxIdx = 0;
-		else
-			rxIdx++;
-	}
-
-	return length;
-}
-
-/**************************************************************
- *
- * Ethernet Initialization Routine
- *
- *************************************************************/
-
-/* MDC = SCLK / MDC_freq / 2 - 1 */
-#define MDC_FREQ_TO_DIV(mdc_freq) (get_sclk() / (mdc_freq) / 2 - 1)
-
-#ifndef CONFIG_BFIN_MAC_PINS
-# ifdef CONFIG_RMII
-#  define CONFIG_BFIN_MAC_PINS P_RMII0
-# else
-#  define CONFIG_BFIN_MAC_PINS P_MII0
-# endif
-#endif
-
-static int bfin_miiphy_init(struct eth_device *dev, int *opmode)
-{
-	const unsigned short pins[] = CONFIG_BFIN_MAC_PINS;
-	int phydat;
-	size_t count;
-	struct mii_dev *mdiodev = dev->priv;
-
-	/* Enable PHY output */
-	bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE);
-
-	/* Set all the pins to peripheral mode */
-	peripheral_request_list(pins, "bfin_mac");
-
-	/* Odd word alignment for Receive Frame DMA word */
-	/* Configure checksum support and rcve frame word alignment */
-	bfin_write_EMAC_SYSCTL(RXDWA | RXCKS | SET_MDCDIV(MDC_FREQ_TO_DIV(CONFIG_PHY_CLOCK_FREQ)));
-
-	/* turn on auto-negotiation and wait for link to come up */
-	bfin_miiphy_write(mdiodev, CONFIG_PHY_ADDR, MDIO_DEVAD_NONE, MII_BMCR,
-			  BMCR_ANENABLE);
-	count = 0;
-	while (1) {
-		++count;
-		phydat = bfin_miiphy_read(mdiodev, CONFIG_PHY_ADDR,
-					  MDIO_DEVAD_NONE, MII_BMSR);
-		if (phydat < 0)
-			return phydat;
-		if (phydat & BMSR_LSTATUS)
-			break;
-		if (count > 30000) {
-			printf("%s: link down, check cable\n", dev->name);
-			return -1;
-		}
-		udelay(100);
-	}
-
-	/* see what kind of link we have */
-	phydat = bfin_miiphy_read(mdiodev, CONFIG_PHY_ADDR, MDIO_DEVAD_NONE,
-				  MII_LPA);
-	if (phydat < 0)
-		return phydat;
-	if (phydat & LPA_DUPLEX)
-		*opmode = FDMODE;
-	else
-		*opmode = 0;
-
-	bfin_write_EMAC_MMC_CTL(RSTC | CROLL);
-	bfin_write_EMAC_VLAN1(EMAC_VLANX_DEF_VAL);
-	bfin_write_EMAC_VLAN2(EMAC_VLANX_DEF_VAL);
-
-	/* Initialize the TX DMA channel registers */
-	bfin_write_DMA2_X_COUNT(0);
-	bfin_write_DMA2_X_MODIFY(4);
-	bfin_write_DMA2_Y_COUNT(0);
-	bfin_write_DMA2_Y_MODIFY(0);
-
-	/* Initialize the RX DMA channel registers */
-	bfin_write_DMA1_X_COUNT(0);
-	bfin_write_DMA1_X_MODIFY(4);
-	bfin_write_DMA1_Y_COUNT(0);
-	bfin_write_DMA1_Y_MODIFY(0);
-
-	return 0;
-}
-
-static int bfin_EMAC_setup_addr(struct eth_device *dev)
-{
-	bfin_write_EMAC_ADDRLO(
-		dev->enetaddr[0] |
-		dev->enetaddr[1] << 8 |
-		dev->enetaddr[2] << 16 |
-		dev->enetaddr[3] << 24
-	);
-	bfin_write_EMAC_ADDRHI(
-		dev->enetaddr[4] |
-		dev->enetaddr[5] << 8
-	);
-	return 0;
-}
-
-static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd)
-{
-	u32 opmode;
-	int dat;
-	int i;
-	debug("Eth_init: ......\n");
-
-	txIdx = 0;
-	rxIdx = 0;
-
-	/* Initialize System Register */
-	if (bfin_miiphy_init(dev, &dat) < 0)
-		return -1;
-
-	/* Initialize EMAC address */
-	bfin_EMAC_setup_addr(dev);
-
-	/* Initialize TX and RX buffer */
-	for (i = 0; i < PKTBUFSRX; i++) {
-		rxbuf[i] = SetupRxBuffer(i);
-		if (i > 0) {
-			rxbuf[i - 1]->Dma[1].NEXT_DESC_PTR = rxbuf[i]->Dma;
-			if (i == (PKTBUFSRX - 1))
-				rxbuf[i]->Dma[1].NEXT_DESC_PTR = rxbuf[0]->Dma;
-		}
-	}
-	for (i = 0; i < TX_BUF_CNT; i++) {
-		txbuf[i] = SetupTxBuffer(i);
-		if (i > 0) {
-			txbuf[i - 1]->Dma[1].NEXT_DESC_PTR = txbuf[i]->Dma;
-			if (i == (TX_BUF_CNT - 1))
-				txbuf[i]->Dma[1].NEXT_DESC_PTR = txbuf[0]->Dma;
-		}
-	}
-
-	/* Set RX DMA */
-	bfin_write_DMA1_NEXT_DESC_PTR(rxbuf[0]->Dma);
-	bfin_write_DMA1_CONFIG(rxbuf[0]->Dma[0].CONFIG_DATA);
-
-	/* Wait MII done */
-	bfin_miiphy_wait();
-
-	/* We enable only RX here */
-	/* ASTP   : Enable Automatic Pad Stripping
-	   PR     : Promiscuous Mode for test
-	   PSF    : Receive frames with total length less than 64 bytes.
-	   FDMODE : Full Duplex Mode
-	   LB	  : Internal Loopback for test
-	   RE     : Receiver Enable */
-	if (dat == FDMODE)
-		opmode = ASTP | FDMODE | PSF;
-	else
-		opmode = ASTP | PSF;
-	opmode |= RE;
-#ifdef CONFIG_RMII
-	opmode |= TE | RMII;
-#endif
-	/* Turn on the EMAC */
-	bfin_write_EMAC_OPMODE(opmode);
-	return 0;
-}
-
-static void bfin_EMAC_halt(struct eth_device *dev)
-{
-	debug("Eth_halt: ......\n");
-	/* Turn off the EMAC */
-	bfin_write_EMAC_OPMODE(0);
-	/* Turn off the EMAC RX DMA */
-	bfin_write_DMA1_CONFIG(0);
-	bfin_write_DMA2_CONFIG(0);
-}
-
-ADI_ETHER_BUFFER *SetupRxBuffer(int no)
-{
-	ADI_ETHER_FRAME_BUFFER *frmbuf;
-	ADI_ETHER_BUFFER *buf;
-	int nobytes_buffer = sizeof(ADI_ETHER_BUFFER[2]) / 2;	/* ensure a multi. of 4 */
-	int total_size = nobytes_buffer + RECV_BUFSIZE;
-
-	buf = (void *) (RXBUF_BASE_ADDR + no * total_size);
-	frmbuf = (void *) (RXBUF_BASE_ADDR + no * total_size + nobytes_buffer);
-
-	memset(buf, 0x00, nobytes_buffer);
-	buf->FrmData = frmbuf;
-	memset(frmbuf, 0xfe, RECV_BUFSIZE);
-
-	/* set up first desc to point to receive frame buffer */
-	buf->Dma[0].NEXT_DESC_PTR = &(buf->Dma[1]);
-	buf->Dma[0].START_ADDR = (u32) buf->FrmData;
-	buf->Dma[0].CONFIG.b_DMA_EN = 1;	/* enabled */
-	buf->Dma[0].CONFIG.b_WNR = 1;	/* Write to memory */
-	buf->Dma[0].CONFIG.b_WDSIZE = 2;	/* wordsize is 32 bits */
-	buf->Dma[0].CONFIG.b_NDSIZE = 5;	/* 5 half words is desc size. */
-	buf->Dma[0].CONFIG.b_FLOW = 7;	/* large desc flow */
-
-	/* set up second desc to point to status word */
-	buf->Dma[1].NEXT_DESC_PTR = buf->Dma;
-	buf->Dma[1].START_ADDR = (u32) & buf->IPHdrChksum;
-	buf->Dma[1].CONFIG.b_DMA_EN = 1;	/* enabled */
-	buf->Dma[1].CONFIG.b_WNR = 1;	/* Write to memory */
-	buf->Dma[1].CONFIG.b_WDSIZE = 2;	/* wordsize is 32 bits */
-	buf->Dma[1].CONFIG.b_DI_EN = 1;	/* enable interrupt */
-	buf->Dma[1].CONFIG.b_NDSIZE = 5;	/* must be 0 when FLOW is 0 */
-	buf->Dma[1].CONFIG.b_FLOW = 7;	/* stop */
-
-	return buf;
-}
-
-ADI_ETHER_BUFFER *SetupTxBuffer(int no)
-{
-	ADI_ETHER_FRAME_BUFFER *frmbuf;
-	ADI_ETHER_BUFFER *buf;
-	int nobytes_buffer = sizeof(ADI_ETHER_BUFFER[2]) / 2;	/* ensure a multi. of 4 */
-	int total_size = nobytes_buffer + RECV_BUFSIZE;
-
-	buf = (void *) (TXBUF_BASE_ADDR + no * total_size);
-	frmbuf = (void *) (TXBUF_BASE_ADDR + no * total_size + nobytes_buffer);
-
-	memset(buf, 0x00, nobytes_buffer);
-	buf->FrmData = frmbuf;
-	memset(frmbuf, 0x00, RECV_BUFSIZE);
-
-	/* set up first desc to point to receive frame buffer */
-	buf->Dma[0].NEXT_DESC_PTR = &(buf->Dma[1]);
-	buf->Dma[0].START_ADDR = (u32) buf->FrmData;
-	buf->Dma[0].CONFIG.b_DMA_EN = 1;	/* enabled */
-	buf->Dma[0].CONFIG.b_WNR = 0;	/* Read to memory */
-	buf->Dma[0].CONFIG.b_WDSIZE = 2;	/* wordsize is 32 bits */
-	buf->Dma[0].CONFIG.b_NDSIZE = 5;	/* 5 half words is desc size. */
-	buf->Dma[0].CONFIG.b_FLOW = 7;	/* large desc flow */
-
-	/* set up second desc to point to status word */
-	buf->Dma[1].NEXT_DESC_PTR = &(buf->Dma[0]);
-	buf->Dma[1].START_ADDR = (u32) & buf->StatusWord;
-	buf->Dma[1].CONFIG.b_DMA_EN = 1;	/* enabled */
-	buf->Dma[1].CONFIG.b_WNR = 1;	/* Write to memory */
-	buf->Dma[1].CONFIG.b_WDSIZE = 2;	/* wordsize is 32 bits */
-	buf->Dma[1].CONFIG.b_DI_EN = 1;	/* enable interrupt */
-	buf->Dma[1].CONFIG.b_NDSIZE = 0;	/* must be 0 when FLOW is 0 */
-	buf->Dma[1].CONFIG.b_FLOW = 0;	/* stop */
-
-	return buf;
-}
-
-#if defined(CONFIG_POST) && defined(CONFIG_SYS_POST_ETHER)
-int ether_post_test(int flags)
-{
-	uchar buf[64];
-	int i, value = 0;
-	int length;
-	uint addr;
-
-	printf("\n--------");
-	bfin_EMAC_init(NULL, NULL);
-	/* construct the package */
-	addr = bfin_read_EMAC_ADDRLO();
-	buf[0] = buf[6] = addr;
-	buf[1] = buf[7] = addr >> 8;
-	buf[2] = buf[8] = addr >> 16;
-	buf[3] = buf[9] = addr >> 24;
-	addr = bfin_read_EMAC_ADDRHI();
-	buf[4] = buf[10] = addr;
-	buf[5] = buf[11] = addr >> 8;
-	buf[12] = 0x08;		/* Type: ARP */
-	buf[13] = 0x06;
-	buf[14] = 0x00;		/* Hardware type: Ethernet */
-	buf[15] = 0x01;
-	buf[16] = 0x08;		/* Protocal type: IP */
-	buf[17] = 0x00;
-	buf[18] = 0x06;		/* Hardware size    */
-	buf[19] = 0x04;		/* Protocol size    */
-	buf[20] = 0x00;		/* Opcode: request  */
-	buf[21] = 0x01;
-
-	for (i = 0; i < 42; i++)
-		buf[i + 22] = i;
-	printf("--------Send 64 bytes......\n");
-	bfin_EMAC_send(NULL, buf, 64);
-	for (i = 0; i < 100; i++) {
-		udelay(10000);
-		if ((rxbuf[rxIdx]->StatusWord & RX_COMP) != 0) {
-			value = 1;
-			break;
-		}
-	}
-	if (value == 0) {
-		printf("--------EMAC can't receive any data\n");
-		eth_halt();
-		return -1;
-	}
-	length = rxbuf[rxIdx]->StatusWord & 0x000007FF - 4;
-	for (i = 0; i < length; i++) {
-		if (rxbuf[rxIdx]->FrmData->Dest[i] != buf[i]) {
-			printf("--------EMAC receive error data!\n");
-			eth_halt();
-			return -1;
-		}
-	}
-	printf("--------receive %d bytes, matched\n", length);
-	bfin_EMAC_halt(NULL);
-	return 0;
-}
-#endif