[PATCH] drivers/net: add driver for the EMAC device found in some TI SoCs
Sascha Hauer
s.hauer at pengutronix.de
Thu Sep 6 13:34:38 EDT 2012
On Thu, Sep 06, 2012 at 04:10:21PM +0200, Jan Luebbe wrote:
> Signed-off-by: Jan Luebbe <jlu at pengutronix.de>
Applied, thanks
Sascha
> ---
> arch/arm/mach-omap/include/mach/emac_defs.h | 48 +++
> drivers/net/Kconfig | 5 +
> drivers/net/Makefile | 1 +
> drivers/net/davinci_emac.c | 618 +++++++++++++++++++++++++++
> drivers/net/davinci_emac.h | 289 +++++++++++++
> 5 files changed, 961 insertions(+)
> create mode 100644 arch/arm/mach-omap/include/mach/emac_defs.h
> create mode 100644 drivers/net/davinci_emac.c
> create mode 100644 drivers/net/davinci_emac.h
>
> diff --git a/arch/arm/mach-omap/include/mach/emac_defs.h b/arch/arm/mach-omap/include/mach/emac_defs.h
> new file mode 100644
> index 0000000..568de6a
> --- /dev/null
> +++ b/arch/arm/mach-omap/include/mach/emac_defs.h
> @@ -0,0 +1,48 @@
> +/*
> + * Copyright (C) 2007 Sergey Kubushyn <ksi at koi8.net>
> + *
> + * Based on:
> + *
> + * ----------------------------------------------------------------------------
> + *
> + * dm644x_emac.h
> + *
> + * TI DaVinci (DM644X) EMAC peripheral driver header for DV-EVM
> + *
> + * Copyright (C) 2005 Texas Instruments.
> + *
> + * ----------------------------------------------------------------------------
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
> + * ----------------------------------------------------------------------------
> +
> + * Modifications:
> + * ver. 1.0: Sep 2005, TI PSP Team - Created EMAC version for uBoot.
> + *
> + */
> +
> +#ifndef _AM3517_EMAC_H_
> +#define _AM3517_EMAC_H_
> +
> +#define EMAC_BASE_ADDR 0x5C010000
> +#define EMAC_WRAPPER_BASE_ADDR 0x5C000000
> +#define EMAC_WRAPPER_RAM_ADDR 0x5C020000
> +#define EMAC_MDIO_BASE_ADDR 0x5C030000
> +#define EMAC_HW_RAM_ADDR 0x01E20000
> +
> +#define EMAC_MDIO_BUS_FREQ 166000000 /* 166 MHZ check */
> +#define EMAC_MDIO_CLOCK_FREQ 1000000 /* 2.0 MHz */
> +
> +#endif /* _AM3517_EMAC_H_ */
> diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
> index dac1eb9..bfde54b 100644
> --- a/drivers/net/Kconfig
> +++ b/drivers/net/Kconfig
> @@ -43,6 +43,11 @@ config DRIVER_NET_SMC91111
> This option enables support for the SMSC LAN91C111
> ethernet chip.
>
> +config DRIVER_NET_DAVINCI_EMAC
> + bool "TI Davinci/OMAP EMAC ethernet driver"
> + depends on ARCH_DAVINCI || ARCH_OMAP3
> + select MIIDEV
> +
> config DRIVER_NET_DM9K
> bool "Davicom dm9k[E|A|B] ethernet driver"
> depends on HAS_DM9000
> diff --git a/drivers/net/Makefile b/drivers/net/Makefile
> index 951a220..52611f8 100644
> --- a/drivers/net/Makefile
> +++ b/drivers/net/Makefile
> @@ -1,6 +1,7 @@
> obj-$(CONFIG_DRIVER_NET_CS8900) += cs8900.o
> obj-$(CONFIG_DRIVER_NET_SMC911X) += smc911x.o
> obj-$(CONFIG_DRIVER_NET_SMC91111) += smc91111.o
> +obj-$(CONFIG_DRIVER_NET_DAVINCI_EMAC) += davinci_emac.o
> obj-$(CONFIG_DRIVER_NET_DM9K) += dm9k.o
> obj-$(CONFIG_DRIVER_NET_NETX) += netx_eth.o
> obj-$(CONFIG_DRIVER_NET_AT91_ETHER) += at91_ether.o
> diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
> new file mode 100644
> index 0000000..09fcb63
> --- /dev/null
> +++ b/drivers/net/davinci_emac.c
> @@ -0,0 +1,618 @@
> +/*
> + * Copyright (C) 2012 Jan Luebbe <j.luebbe at pengutronix.de>
> + *
> + * Ethernet driver for TI TMS320DM644x (DaVinci) chips.
> + *
> + * Copyright (C) 2007 Sergey Kubushyn <ksi at koi8.net>
> + *
> + * Parts shamelessly stolen from TI's dm644x_emac.c. Original copyright
> + * follows:
> + *
> + * ----------------------------------------------------------------------------
> + *
> + * dm644x_emac.c
> + *
> + * TI DaVinci (DM644X) EMAC peripheral driver source for DV-EVM
> + *
> + * Copyright (C) 2005 Texas Instruments.
> + *
> + * ----------------------------------------------------------------------------
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
> + * ----------------------------------------------------------------------------
> +
> + * Modifications:
> + * ver. 1.0: Sep 2005, Anant Gole - Created EMAC version for uBoot.
> + * ver 1.1: Nov 2005, Anant Gole - Extended the RX logic for multiple descriptors
> + *
> + */
> +
> +#include <common.h>
> +#include <io.h>
> +#include <clock.h>
> +#include <net.h>
> +#include <miidev.h>
> +#include <malloc.h>
> +#include <init.h>
> +#include <asm/mmu.h>
> +#include <asm/system.h>
> +#include <mach/emac_defs.h>
> +#include "davinci_emac.h"
> +
> +struct davinci_emac_priv {
> + struct device_d *dev;
> + struct eth_device edev;
> + struct mii_device miidev;
> +
> + /* EMAC Addresses */
> + void __iomem *adap_emac; /* = EMAC_BASE_ADDR */
> + void __iomem *adap_ewrap; /* = EMAC_WRAPPER_BASE_ADDR */
> + void __iomem *adap_mdio; /* = EMAC_MDIO_BASE_ADDR */
> +
> + /* EMAC descriptors */
> + void __iomem *emac_desc_base; /* = EMAC_WRAPPER_RAM_ADDR */
> + void __iomem *emac_rx_desc; /* = EMAC_WRAPPER_RAM_ADDR + EMAC_RX_DESC_BASE */
> + void __iomem *emac_tx_desc; /* = EMAC_WRAPPER_RAM_ADDR + EMAC_TX_DESC_BASE */
> + void __iomem *emac_rx_active_head; /* = 0 */
> + void __iomem *emac_rx_active_tail; /* = 0 */
> + int emac_rx_queue_active; /* = 0 */
> +
> + /* Receive packet buffers */
> + unsigned char *emac_rx_buffers; /* [EMAC_MAX_RX_BUFFERS * (EMAC_MAX_ETHERNET_PKT_SIZE + EMAC_PKT_ALIGN)] */
> +
> + /* PHY address for a discovered PHY (0xff - not found) */
> + uint8_t active_phy_addr; /* = 0xff */
> +
> + /* mac_addr[0] goes out on the wire first */
> + uint8_t mac_addr[6];
> +};
> +
> +#ifdef EMAC_HW_RAM_ADDR
> +static inline uint32_t BD_TO_HW(void __iomem *x)
> +{
> + if (x == 0)
> + return 0;
> +
> + return (uint32_t)(x) - EMAC_WRAPPER_RAM_ADDR + EMAC_HW_RAM_ADDR;
> +}
> +
> +static inline void __iomem *HW_TO_BD(uint32_t x)
> +{
> + if (x == 0)
> + return 0;
> +
> + return (struct emac_desc*)(x - EMAC_HW_RAM_ADDR + EMAC_WRAPPER_RAM_ADDR);
> +}
> +#else
> +#define BD_TO_HW(x) (x)
> +#define HW_TO_BD(x) (x)
> +#endif
> +
> +static void davinci_eth_mdio_enable(struct davinci_emac_priv *priv)
> +{
> + uint32_t clkdiv;
> +
> + clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
> +
> + dev_dbg(priv->dev, "mdio_enable + 0x%08x\n",
> + readl(priv->adap_mdio + EMAC_MDIO_CONTROL));
> + writel((clkdiv & 0xff) |
> + MDIO_CONTROL_ENABLE |
> + MDIO_CONTROL_FAULT |
> + MDIO_CONTROL_FAULT_ENABLE,
> + priv->adap_mdio + EMAC_MDIO_CONTROL);
> + dev_dbg(priv->dev, "mdio_enable - 0x%08x\n",
> + readl(priv->adap_mdio + EMAC_MDIO_CONTROL));
> +
> + while (readl(priv->adap_mdio + EMAC_MDIO_CONTROL) & MDIO_CONTROL_IDLE);
> +}
> +
> +/* Read a PHY register via MDIO inteface. Returns 1 on success, 0 otherwise */
> +static int davinci_eth_phy_read(struct davinci_emac_priv *priv, uint8_t phy_addr, uint8_t reg_num, uint16_t *data)
> +{
> + int tmp;
> +
> + while (readl(priv->adap_mdio + EMAC_MDIO_USERACCESS0) & MDIO_USERACCESS0_GO);
> +
> + writel(MDIO_USERACCESS0_GO |
> + MDIO_USERACCESS0_WRITE_READ |
> + ((reg_num & 0x1f) << 21) |
> + ((phy_addr & 0x1f) << 16),
> + priv->adap_mdio + EMAC_MDIO_USERACCESS0);
> +
> + /* Wait for command to complete */
> + while ((tmp = readl(priv->adap_mdio + EMAC_MDIO_USERACCESS0)) & MDIO_USERACCESS0_GO);
> +
> + if (tmp & MDIO_USERACCESS0_ACK) {
> + *data = tmp & 0xffff;
> + dev_dbg(priv->dev, "emac_phy_read: addr=0x%02x reg=0x%02x data=0x%04x\n",
> + phy_addr, reg_num, *data);
> + return 1;
> + }
> +
> + *data = -1;
> + return 0;
> +}
> +
> +/* Write to a PHY register via MDIO inteface. Blocks until operation is complete. */
> +static int davinci_eth_phy_write(struct davinci_emac_priv *priv, uint8_t phy_addr, uint8_t reg_num, uint16_t data)
> +{
> +
> + while (readl(priv->adap_mdio + EMAC_MDIO_USERACCESS0) & MDIO_USERACCESS0_GO);
> +
> + dev_dbg(priv->dev, "emac_phy_write: addr=0x%02x reg=0x%02x data=0x%04x\n",
> + phy_addr, reg_num, data);
> + writel(MDIO_USERACCESS0_GO |
> + MDIO_USERACCESS0_WRITE_WRITE |
> + ((reg_num & 0x1f) << 21) |
> + ((phy_addr & 0x1f) << 16) |
> + (data & 0xffff),
> + priv->adap_mdio + EMAC_MDIO_USERACCESS0);
> +
> + /* Wait for command to complete */
> + while (readl(priv->adap_mdio + EMAC_MDIO_USERACCESS0) & MDIO_USERACCESS0_GO);
> +
> + return 1;
> +}
> +
> +static int davinci_miidev_read(struct mii_device *dev, int addr, int reg)
> +{
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)dev->edev->priv;
> + uint16_t value = 0;
> + return davinci_eth_phy_read(priv, addr, reg, &value) ? value : -1;
> +}
> +
> +static int davinci_miidev_write(struct mii_device *dev, int addr, int reg, int value)
> +{
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)dev->edev->priv;
> + return davinci_eth_phy_write(priv, addr, reg, value) ? 0 : -1;
> +}
> +
> +static int davinci_emac_get_ethaddr(struct eth_device *edev, unsigned char *adr)
> +{
> + return -1;
> +}
> +
> +/*
> + * This function must be called before emac_open() if you want to override
> + * the default mac address.
> + */
> +static int davinci_emac_set_ethaddr(struct eth_device *edev, unsigned char *addr)
> +{
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)edev->priv;
> + int i;
> +
> + for (i = 0; i < sizeof(priv->mac_addr); i++)
> + priv->mac_addr[i] = addr[i];
> + return 0;
> +}
> +
> +static int davinci_emac_init(struct eth_device *edev)
> +{
> + dev_dbg(&edev->dev, "* emac_init\n");
> + return 0;
> +}
> +
> +static int davinci_emac_open(struct eth_device *edev)
> +{
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)edev->priv;
> + uint32_t clkdiv, cnt;
> + void __iomem *rx_desc;
> + unsigned long mac_hi, mac_lo;
> + int ret;
> +
> + dev_dbg(priv->dev, "+ emac_open\n");
> +
> + dev_dbg(priv->dev, "emac->TXIDVER: 0x%08x\n",
> + readl(priv->adap_emac + EMAC_TXIDVER));
> + dev_dbg(priv->dev, "emac->RXIDVER: 0x%08x\n",
> + readl(priv->adap_emac + EMAC_RXIDVER));
> +
> + /* Reset EMAC module and disable interrupts in wrapper */
> + writel(1, priv->adap_emac + EMAC_SOFTRESET);
> + while (readl(priv->adap_emac + EMAC_SOFTRESET) != 0);
> + writel(1, priv->adap_ewrap + EMAC_EWRAP_SOFTRESET);
> + while (readl(priv->adap_ewrap + EMAC_EWRAP_SOFTRESET) != 0);
> +
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C0RXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C1RXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C2RXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C0TXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C1TXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C2TXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C0MISCEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C1MISCEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C2MISCEN);
> +
> + rx_desc = priv->emac_rx_desc;
> +
> + /*
> + * Set MAC Addresses & Init multicast Hash to 0 (disable any multicast
> + * receive)
> + * Use channel 0 only - other channels are disabled
> + */
> + writel(0, priv->adap_emac + EMAC_MACINDEX);
> + mac_hi = (priv->mac_addr[3] << 24) |
> + (priv->mac_addr[2] << 16) |
> + (priv->mac_addr[1] << 8) |
> + (priv->mac_addr[0]);
> + mac_lo = (priv->mac_addr[5] << 8) |
> + (priv->mac_addr[4]);
> +
> + writel(mac_hi, priv->adap_emac + EMAC_MACADDRHI);
> + writel(mac_lo | EMAC_MAC_ADDR_IS_VALID | EMAC_MAC_ADDR_MATCH,
> + priv->adap_emac + EMAC_MACADDRLO);
> +
> + /* Set source MAC address - REQUIRED */
> + writel(mac_hi, priv->adap_emac + EMAC_MACSRCADDRHI);
> + writel(mac_lo, priv->adap_emac + EMAC_MACSRCADDRLO);
> +
> + /* Set DMA head and completion pointers to 0 */
> + for(cnt = 0; cnt < 8; cnt++) {
> + writel(0, (void *)priv->adap_emac + EMAC_TX0HDP + 4 * cnt);
> + writel(0, (void *)priv->adap_emac + EMAC_RX0HDP + 4 * cnt);
> + writel(0, (void *)priv->adap_emac + EMAC_TX0CP + 4 * cnt);
> + writel(0, (void *)priv->adap_emac + EMAC_RX0CP + 4 * cnt);
> + }
> +
> + /* Clear Statistics (do this before setting MacControl register) */
> + for(cnt = 0; cnt < EMAC_NUM_STATS; cnt++)
> + writel(0, (void *)priv->adap_emac + EMAC_RXGOODFRAMES + 4 * cnt);
> +
> + /* No multicast addressing */
> + writel(0, priv->adap_emac + EMAC_MACHASH1);
> + writel(0, priv->adap_emac + EMAC_MACHASH2);
> +
> + writel(0x01, priv->adap_emac + EMAC_TXCONTROL);
> + writel(0x01, priv->adap_emac + EMAC_RXCONTROL);
> +
> + /* Create RX queue and set receive process in place */
> + priv->emac_rx_active_head = priv->emac_rx_desc;
> + for (cnt = 0; cnt < EMAC_MAX_RX_BUFFERS; cnt++) {
> + writel(BD_TO_HW(rx_desc + EMAC_DESC_SIZE), rx_desc + EMAC_DESC_NEXT);
> + writel(&priv->emac_rx_buffers[cnt * (EMAC_MAX_ETHERNET_PKT_SIZE + EMAC_PKT_ALIGN)], rx_desc + EMAC_DESC_BUFFER);
> + writel(EMAC_MAX_ETHERNET_PKT_SIZE, rx_desc + EMAC_DESC_BUFF_OFF_LEN);
> + writel(EMAC_CPPI_OWNERSHIP_BIT, rx_desc + EMAC_DESC_PKT_FLAG_LEN);
> + rx_desc += EMAC_DESC_SIZE;
> + }
> +
> + /* Set the last descriptor's "next" parameter to 0 to end the RX desc list */
> + rx_desc -= EMAC_DESC_SIZE;
> + writel(0, rx_desc + EMAC_DESC_NEXT);
> + priv->emac_rx_active_tail = rx_desc;
> + priv->emac_rx_queue_active = 1;
> +
> + /* Enable TX/RX */
> + writel(EMAC_MAX_ETHERNET_PKT_SIZE, priv->adap_emac + EMAC_RXMAXLEN);
> + writel(0, priv->adap_emac + EMAC_RXBUFFEROFFSET);
> +
> + /* No fancy configs - Use this for promiscous for debug - EMAC_RXMBPENABLE_RXCAFEN_ENABLE */
> + writel(EMAC_RXMBPENABLE_RXBROADEN, priv->adap_emac + EMAC_RXMBPENABLE);
> +
> + /* Enable ch 0 only */
> + writel(0x01, priv->adap_emac + EMAC_RXUNICASTSET);
> +
> + /* Enable MII interface and full duplex mode (using RMMI) */
> + writel((EMAC_MACCONTROL_MIIEN_ENABLE |
> + EMAC_MACCONTROL_FULLDUPLEX_ENABLE |
> + EMAC_MACCONTROL_RMIISPEED_100),
> + priv->adap_emac + EMAC_MACCONTROL);
> +
> + /* Init MDIO & get link state */
> + clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
> + writel((clkdiv & 0xff) | MDIO_CONTROL_ENABLE | MDIO_CONTROL_FAULT,
> + priv->adap_mdio + EMAC_MDIO_CONTROL);
> +
> + /* Start receive process */
> + writel(BD_TO_HW(priv->emac_rx_desc), priv->adap_emac + EMAC_RX0HDP);
> +
> + ret = miidev_wait_aneg(&priv->miidev);
> + if (ret)
> + return ret;
> +
> + ret = miidev_get_status(&priv->miidev);
> + if (ret < 0)
> + return ret;
> +
> + miidev_print_status(&priv->miidev);
> +
> + dev_dbg(priv->dev, "- emac_open\n");
> +
> + return 0;
> +}
> +
> +/* EMAC Channel Teardown */
> +static void davinci_eth_ch_teardown(struct davinci_emac_priv *priv, int ch)
> +{
> + uint32_t dly = 0xff;
> + uint32_t cnt;
> +
> + dev_dbg(priv->dev, "+ emac_ch_teardown\n");
> +
> + if (ch == EMAC_CH_TX) {
> + /* Init TX channel teardown */
> + writel(0, priv->adap_emac + EMAC_TXTEARDOWN);
> + for(cnt = 0; cnt != 0xfffffffc; cnt = readl(priv->adap_emac + EMAC_TX0CP)) {
> + /* Wait here for Tx teardown completion interrupt to occur
> + * Note: A task delay can be called here to pend rather than
> + * occupying CPU cycles - anyway it has been found that teardown
> + * takes very few cpu cycles and does not affect functionality */
> + dly--;
> + udelay(1);
> + if (dly == 0)
> + break;
> + }
> + writel(cnt, priv->adap_emac + EMAC_TX0CP);
> + writel(0, priv->adap_emac + EMAC_TX0HDP);
> + } else {
> + /* Init RX channel teardown */
> + writel(0, priv->adap_emac + EMAC_RXTEARDOWN);
> + for(cnt = 0; cnt != 0xfffffffc; cnt = readl(priv->adap_emac + EMAC_RX0CP)) {
> + /* Wait here for Rx teardown completion interrupt to occur
> + * Note: A task delay can be called here to pend rather than
> + * occupying CPU cycles - anyway it has been found that teardown
> + * takes very few cpu cycles and does not affect functionality */
> + dly--;
> + udelay(1);
> + if (dly == 0)
> + break;
> + }
> + writel(cnt, priv->adap_emac + EMAC_RX0CP);
> + writel(0, priv->adap_emac + EMAC_RX0HDP);
> + }
> +
> + dev_dbg(priv->dev, "- emac_ch_teardown\n");
> +}
> +
> +static void davinci_emac_halt(struct eth_device *edev)
> +{
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)edev->priv;
> +
> + dev_dbg(priv->dev, "+ emac_halt\n");
> +
> + davinci_eth_ch_teardown(priv, EMAC_CH_TX); /* TX Channel teardown */
> + davinci_eth_ch_teardown(priv, EMAC_CH_RX); /* RX Channel teardown */
> +
> + /* Reset EMAC module and disable interrupts in wrapper */
> + writel(1, priv->adap_emac + EMAC_SOFTRESET);
> + writel(1, priv->adap_ewrap + EMAC_EWRAP_SOFTRESET);
> +
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C0RXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C1RXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C2RXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C0TXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C1TXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C2TXEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C0MISCEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C1MISCEN);
> + writel(0, priv->adap_ewrap + EMAC_EWRAP_C2MISCEN);
> +
> + dev_dbg(priv->dev, "- emac_halt\n");
> +}
> +
> +/*
> + * This function sends a single packet on the network and returns
> + * positive number (number of bytes transmitted) or negative for error
> + */
> +static int davinci_emac_send(struct eth_device *edev, void *packet, int length)
> +{
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)edev->priv;
> + uint64_t start;
> + int ret_status = -1;
> +
> + dev_dbg(priv->dev, "+ emac_send (length %d)\n", length);
> +
> + /* Check packet size and if < EMAC_MIN_ETHERNET_PKT_SIZE, pad it up */
> + if (length < EMAC_MIN_ETHERNET_PKT_SIZE) {
> + length = EMAC_MIN_ETHERNET_PKT_SIZE;
> + }
> +
> + /* Populate the TX descriptor */
> + writel(0, priv->emac_tx_desc + EMAC_DESC_NEXT);
> + writel((uint8_t *) packet, priv->emac_tx_desc + EMAC_DESC_BUFFER);
> + writel((length & 0xffff), priv->emac_tx_desc + EMAC_DESC_BUFF_OFF_LEN);
> + writel(((length & 0xffff) | EMAC_CPPI_SOP_BIT |
> + EMAC_CPPI_OWNERSHIP_BIT |
> + EMAC_CPPI_EOP_BIT),
> + priv->emac_tx_desc + EMAC_DESC_PKT_FLAG_LEN);
> + dma_flush_range((ulong) packet, (ulong)packet + length);
> + /* Send the packet */
> + writel(BD_TO_HW(priv->emac_tx_desc), priv->adap_emac + EMAC_TX0HDP);
> +
> + /* Wait for packet to complete or link down */
> + start = get_time_ns();
> + while (1) {
> + if (readl(priv->adap_emac + EMAC_TXINTSTATRAW) & 0x01) {
> + /* Acknowledge the TX descriptor */
> + writel(BD_TO_HW(priv->emac_tx_desc), priv->adap_emac + EMAC_TX0CP);
> + ret_status = length;
> + break;
> + }
> + if (is_timeout(start, 100 * MSECOND)) {
> + ret_status = -ETIMEDOUT;
> + break;
> + }
> + }
> +
> + dev_dbg(priv->dev, "- emac_send (ret_status %i)\n", ret_status);
> + return ret_status;
> +}
> +
> +/*
> + * This function handles receipt of a packet from the network
> + */
> +static int davinci_emac_recv(struct eth_device *edev)
> +{
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)edev->priv;
> + void __iomem *rx_curr_desc, *curr_desc, *tail_desc;
> + unsigned char *pkt;
> + int status, len, ret = -1;
> +
> + dev_dbg(priv->dev, "+ emac_recv\n");
> +
> + rx_curr_desc = priv->emac_rx_active_head;
> + status = readl(rx_curr_desc + EMAC_DESC_PKT_FLAG_LEN);
> + if (status & EMAC_CPPI_OWNERSHIP_BIT) {
> + ret = 0;
> + goto out;
> + }
> +
> + if (status & EMAC_CPPI_RX_ERROR_FRAME) {
> + /* Error in packet - discard it and requeue desc */
> + dev_warn(priv->dev, "WARN: emac_rcv_pkt: Error in packet\n");
> + } else {
> + pkt = (unsigned char *)readl(rx_curr_desc + EMAC_DESC_BUFFER);
> + len = readl(rx_curr_desc + EMAC_DESC_BUFF_OFF_LEN) & 0xffff;
> + dev_dbg(priv->dev, "| emac_recv got packet (length %i)\n", len);
> + dma_inv_range((ulong)pkt,
> + (ulong)readl(rx_curr_desc + EMAC_DESC_BUFFER) + len);
> + net_receive(pkt, len);
> + ret = len;
> + }
> +
> + /* Ack received packet descriptor */
> + writel(BD_TO_HW(rx_curr_desc), priv->adap_emac + EMAC_RX0CP);
> + curr_desc = rx_curr_desc;
> + priv->emac_rx_active_head = HW_TO_BD(readl(rx_curr_desc + EMAC_DESC_NEXT));
> +
> + if (status & EMAC_CPPI_EOQ_BIT) {
> + if (priv->emac_rx_active_head) {
> + writel(BD_TO_HW(priv->emac_rx_active_head),
> + priv->adap_emac + EMAC_RX0HDP);
> + } else {
> + priv->emac_rx_queue_active = 0;
> + dev_info(priv->dev, "INFO:emac_rcv_packet: RX Queue not active\n");
> + }
> + }
> +
> + /* Recycle RX descriptor */
> + writel(EMAC_MAX_ETHERNET_PKT_SIZE, rx_curr_desc + EMAC_DESC_BUFF_OFF_LEN);
> + writel(EMAC_CPPI_OWNERSHIP_BIT, rx_curr_desc + EMAC_DESC_PKT_FLAG_LEN);
> + writel(0, rx_curr_desc + EMAC_DESC_NEXT);
> +
> + if (priv->emac_rx_active_head == 0) {
> + dev_info(priv->dev, "INFO: emac_rcv_pkt: active queue head = 0\n");
> + priv->emac_rx_active_head = curr_desc;
> + priv->emac_rx_active_tail = curr_desc;
> + if (priv->emac_rx_queue_active != 0) {
> + writel(BD_TO_HW(priv->emac_rx_active_head), priv->adap_emac + EMAC_RX0HDP);
> + dev_info(priv->dev, "INFO: emac_rcv_pkt: active queue head = 0, HDP fired\n");
> + priv->emac_rx_queue_active = 1;
> + }
> + } else {
> + tail_desc = priv->emac_rx_active_tail;
> + priv->emac_rx_active_tail = curr_desc;
> + writel(BD_TO_HW(curr_desc), tail_desc + EMAC_DESC_NEXT);
> + status = readl(tail_desc + EMAC_DESC_PKT_FLAG_LEN);
> + if (status & EMAC_CPPI_EOQ_BIT) {
> + writel(BD_TO_HW(curr_desc), priv->adap_emac + EMAC_RX0HDP);
> + status &= ~EMAC_CPPI_EOQ_BIT;
> + writel(status, tail_desc + EMAC_DESC_PKT_FLAG_LEN);
> + }
> + }
> +
> +out:
> + dev_dbg(priv->dev, "- emac_recv\n");
> +
> + return ret;
> +}
> +
> +static int davinci_emac_probe(struct device_d *dev)
> +{
> + struct davinci_emac_priv *priv;
> + uint64_t start;
> +
> + dev_dbg(dev, "+ emac_probe\n");
> +
> + priv = xzalloc(sizeof(*priv));
> + dev->priv = priv;
> +
> + priv->dev = dev;
> +
> + priv->adap_emac = dev_request_mem_region(dev, 0);
> + priv->adap_ewrap = dev_request_mem_region(dev, 1);
> + priv->adap_mdio = dev_request_mem_region(dev, 2);
> + priv->emac_desc_base = dev_request_mem_region(dev, 3);
> +
> + /* EMAC descriptors */
> + priv->emac_rx_desc = priv->emac_desc_base + EMAC_RX_DESC_BASE;
> + priv->emac_tx_desc = priv->emac_desc_base + EMAC_TX_DESC_BASE;
> + priv->emac_rx_active_head = NULL;
> + priv->emac_rx_active_tail = NULL;
> + priv->emac_rx_queue_active = 0;
> +
> + /* Receive packet buffers */
> + priv->emac_rx_buffers = xmemalign(4096, EMAC_MAX_RX_BUFFERS * (EMAC_MAX_ETHERNET_PKT_SIZE + EMAC_PKT_ALIGN));
> +
> + /* PHY address for a discovered PHY (0xff - not found) */
> + priv->active_phy_addr = 0xff;
> +
> + priv->edev.priv = priv;
> + priv->edev.init = davinci_emac_init;
> + priv->edev.open = davinci_emac_open;
> + priv->edev.halt = davinci_emac_halt;
> + priv->edev.send = davinci_emac_send;
> + priv->edev.recv = davinci_emac_recv;
> + priv->edev.get_ethaddr = davinci_emac_get_ethaddr;
> + priv->edev.set_ethaddr = davinci_emac_set_ethaddr;
> + priv->edev.parent = dev;
> +
> + davinci_eth_mdio_enable(priv);
> +
> + start = get_time_ns();
> + while (1) {
> + if (readl(priv->adap_mdio + EMAC_MDIO_ALIVE))
> + break;
> + if (is_timeout(start, 256 * MSECOND)) {
> + dev_err(dev, "No ETH PHY detected!\n");
> + break;
> + }
> + }
> +
> + priv->miidev.read = davinci_miidev_read;
> + priv->miidev.write = davinci_miidev_write;
> + priv->miidev.address = 0x01;
> + priv->miidev.flags = MIIDEV_FORCE_LINK;
> + priv->miidev.edev = &priv->edev;
> + priv->miidev.parent = dev;
> +
> + mii_register(&priv->miidev);
> +
> + eth_register(&priv->edev);
> +
> + dev_dbg(dev, "- emac_probe\n");
> + return 0;
> +}
> +
> +static void davinci_emac_remove(struct device_d *dev)
> +{
> + struct davinci_emac_priv *priv = dev->priv;
> +
> + davinci_emac_halt(&priv->edev);
> +}
> +
> +static struct driver_d davinci_emac_driver = {
> + .name = "davinci_emac",
> + .probe = davinci_emac_probe,
> + .remove = davinci_emac_remove,
> +};
> +
> +static int davinci_emac_register(void)
> +{
> + register_driver(&davinci_emac_driver);
> + return 0;
> +}
> +
> +device_initcall(davinci_emac_register);
> diff --git a/drivers/net/davinci_emac.h b/drivers/net/davinci_emac.h
> new file mode 100644
> index 0000000..c5fa018
> --- /dev/null
> +++ b/drivers/net/davinci_emac.h
> @@ -0,0 +1,289 @@
> +/*
> + * Copyright (C) 2007 Sergey Kubushyn <ksi at koi8.net>
> + *
> + * Based on:
> + *
> + * ----------------------------------------------------------------------------
> + *
> + * dm644x_emac.h
> + *
> + * TI DaVinci (DM644X) EMAC peripheral driver header for DV-EVM
> + *
> + * Copyright (C) 2005 Texas Instruments.
> + *
> + * ----------------------------------------------------------------------------
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
> + * ----------------------------------------------------------------------------
> + */
> +
> +#ifndef _DAVINCI_EMAC_H_
> +#define _DAVINCI_EMAC_H_
> +
> +/* PHY mask - set only those phy number bits where phy is/can be connected */
> +#define EMAC_MDIO_PHY_NUM 1
> +#define EMAC_MDIO_PHY_MASK (1 << EMAC_MDIO_PHY_NUM)
> +
> +/* Ethernet Min/Max packet size */
> +#define EMAC_MIN_ETHERNET_PKT_SIZE 60
> +#define EMAC_MAX_ETHERNET_PKT_SIZE 1518
> +#define EMAC_PKT_ALIGN 18 /* 1518 + 18 = 1536 (packet aligned on 32 byte boundry) */
> +
> +/* Number of RX packet buffers
> + * NOTE: Only 1 buffer supported as of now
> + */
> +#define EMAC_MAX_RX_BUFFERS 10
> +
> +/***********************************************
> + ******** Internally used macros ***************
> + ***********************************************/
> +
> +#define EMAC_CH_TX 1
> +#define EMAC_CH_RX 0
> +
> +/* Each descriptor occupies 4 words, lets start RX desc's at 0 and
> + * reserve space for 64 descriptors max
> + */
> +#define EMAC_RX_DESC_BASE 0x0
> +#define EMAC_TX_DESC_BASE 0x1000
> +
> +/* EMAC Teardown value */
> +#define EMAC_TEARDOWN_VALUE 0xfffffffc
> +
> +/* MII Status Register */
> +#define MII_STATUS_REG 1
> +
> +/* Number of statistics registers */
> +#define EMAC_NUM_STATS 36
> +
> +/* EMAC Descriptor Offsets */
> +#define EMAC_DESC_NEXT 0x0 /* Pointer to next descriptor in chain */
> +#define EMAC_DESC_BUFFER 0x4 /* Pointer to data buffer */
> +#define EMAC_DESC_BUFF_OFF_LEN 0x8 /* Buffer Offset(MSW) and Length(LSW) */
> +#define EMAC_DESC_PKT_FLAG_LEN 0xc /* Packet Flags(MSW) and Length(LSW) */
> +#define EMAC_DESC_SIZE 0x10
> +
> +/* CPPI bit positions */
> +#define EMAC_CPPI_SOP_BIT (0x80000000)
> +#define EMAC_CPPI_EOP_BIT (0x40000000)
> +#define EMAC_CPPI_OWNERSHIP_BIT (0x20000000)
> +#define EMAC_CPPI_EOQ_BIT (0x10000000)
> +#define EMAC_CPPI_TEARDOWN_COMPLETE_BIT (0x08000000)
> +#define EMAC_CPPI_PASS_CRC_BIT (0x04000000)
> +
> +#define EMAC_CPPI_RX_ERROR_FRAME (0x03fc0000)
> +
> +#define EMAC_MACCONTROL_MIIEN_ENABLE (0x20)
> +#define EMAC_MACCONTROL_FULLDUPLEX_ENABLE (0x1)
> +#define EMAC_MACCONTROL_GIGABIT_ENABLE (1 << 7)
> +#define EMAC_MACCONTROL_GIGFORCE (1 << 17)
> +#define EMAC_MACCONTROL_RMIISPEED_100 (1 << 15)
> +
> +#define EMAC_MAC_ADDR_MATCH (1 << 19)
> +#define EMAC_MAC_ADDR_IS_VALID (1 << 20)
> +
> +#define EMAC_RXMBPENABLE_RXCAFEN_ENABLE (0x200000)
> +#define EMAC_RXMBPENABLE_RXBROADEN (0x2000)
> +
> +#define MDIO_CONTROL_IDLE (0x80000000)
> +#define MDIO_CONTROL_ENABLE (0x40000000)
> +#define MDIO_CONTROL_FAULT_ENABLE (0x40000)
> +#define MDIO_CONTROL_FAULT (0x80000)
> +#define MDIO_USERACCESS0_GO (0x80000000)
> +#define MDIO_USERACCESS0_WRITE_READ (0x0)
> +#define MDIO_USERACCESS0_WRITE_WRITE (0x40000000)
> +#define MDIO_USERACCESS0_ACK (0x20000000)
> +
> +/* Ethernet MAC Registers */
> +#define EMAC_TXIDVER 0x000
> +#define EMAC_TXCONTROL 0x004
> +#define EMAC_TXTEARDOWN 0x008
> +#define EMAC_RXIDVER 0x010
> +#define EMAC_RXCONTROL 0x014
> +#define EMAC_RXTEARDOWN 0x018
> +#define EMAC_TXINTSTATRAW 0x080
> +#define EMAC_TXINTSTATMASKED 0x084
> +#define EMAC_TXINTMASKSET 0x088
> +#define EMAC_TXINTMASKCLEAR 0x08c
> +#define EMAC_MACINVECTOR 0x090
> +#define EMAC_MACEOIVECTOR 0x094
> +#define EMAC_RXINTSTATRAW 0x0a0
> +#define EMAC_RXINTSTATMASKED 0x0a4
> +#define EMAC_RXINTMASKSET 0x0a8
> +#define EMAC_RXINTMASKCLEAR 0x0ac
> +#define EMAC_MACINTSTATRAW 0x0b0
> +#define EMAC_MACINTSTATMASKED 0x0b4
> +#define EMAC_MACINTMASKSET 0x0b8
> +#define EMAC_MACINTMASKCLEAR 0x0bc
> +#define EMAC_RXMBPENABLE 0x100
> +#define EMAC_RXUNICASTSET 0x104
> +#define EMAC_RXUNICASTCLEAR 0x108
> +#define EMAC_RXMAXLEN 0x10c
> +#define EMAC_RXBUFFEROFFSET 0x110
> +#define EMAC_RXFILTERLOWTHRESH 0x114
> +#define EMAC_RX0FLOWTHRESH 0x120
> +#define EMAC_RX1FLOWTHRESH 0x124
> +#define EMAC_RX2FLOWTHRESH 0x128
> +#define EMAC_RX3FLOWTHRESH 0x12c
> +#define EMAC_RX4FLOWTHRESH 0x130
> +#define EMAC_RX5FLOWTHRESH 0x134
> +#define EMAC_RX6FLOWTHRESH 0x138
> +#define EMAC_RX7FLOWTHRESH 0x13c
> +#define EMAC_RX0FREEBUFFER 0x140
> +#define EMAC_RX1FREEBUFFER 0x144
> +#define EMAC_RX2FREEBUFFER 0x148
> +#define EMAC_RX3FREEBUFFER 0x14c
> +#define EMAC_RX4FREEBUFFER 0x150
> +#define EMAC_RX5FREEBUFFER 0x154
> +#define EMAC_RX6FREEBUFFER 0x158
> +#define EMAC_RX7FREEBUFFER 0x15c
> +#define EMAC_MACCONTROL 0x160
> +#define EMAC_MACSTATUS 0x164
> +#define EMAC_EMCONTROL 0x168
> +#define EMAC_FIFOCONTROL 0x16c
> +#define EMAC_MACCONFIG 0x170
> +#define EMAC_SOFTRESET 0x174
> +#define EMAC_MACSRCADDRLO 0x1d0
> +#define EMAC_MACSRCADDRHI 0x1d4
> +#define EMAC_MACHASH1 0x1d8
> +#define EMAC_MACHASH2 0x1dc
> +#define EMAC_BOFFTEST 0x1e0
> +#define EMAC_TPACETEST 0x1e4
> +#define EMAC_RXPAUSE 0x1e8
> +#define EMAC_TXPAUSE 0x1ec
> +#define EMAC_RXGOODFRAMES 0x200
> +#define EMAC_RXBCASTFRAMES 0x204
> +#define EMAC_RXMCASTFRAMES 0x208
> +#define EMAC_RXPAUSEFRAMES 0x20c
> +#define EMAC_RXCRCERRORS 0x210
> +#define EMAC_RXALIGNCODEERRORS 0x214
> +#define EMAC_RXOVERSIZED 0x218
> +#define EMAC_RXJABBER 0x21c
> +#define EMAC_RXUNDERSIZED 0x220
> +#define EMAC_RXFRAGMENTS 0x224
> +#define EMAC_RXFILTERED 0x228
> +#define EMAC_RXQOSFILTERED 0x22c
> +#define EMAC_RXOCTETS 0x230
> +#define EMAC_TXGOODFRAMES 0x234
> +#define EMAC_TXBCASTFRAMES 0x238
> +#define EMAC_TXMCASTFRAMES 0x23c
> +#define EMAC_TXPAUSEFRAMES 0x240
> +#define EMAC_TXDEFERRED 0x244
> +#define EMAC_TXCOLLISION 0x248
> +#define EMAC_TXSINGLECOLL 0x24c
> +#define EMAC_TXMULTICOLL 0x250
> +#define EMAC_TXEXCESSIVECOLL 0x254
> +#define EMAC_TXLATECOLL 0x258
> +#define EMAC_TXUNDERRUN 0x25c
> +#define EMAC_TXCARRIERSENSE 0x260
> +#define EMAC_TXOCTETS 0x264
> +#define EMAC_FRAME64 0x268
> +#define EMAC_FRAME65T127 0x26c
> +#define EMAC_FRAME128T255 0x270
> +#define EMAC_FRAME256T511 0x274
> +#define EMAC_FRAME512T1023 0x278
> +#define EMAC_FRAME1024TUP 0x27c
> +#define EMAC_NETOCTETS 0x280
> +#define EMAC_RXSOFOVERRUNS 0x284
> +#define EMAC_RXMOFOVERRUNS 0x288
> +#define EMAC_RXDMAOVERRUNS 0x28c
> +#define EMAC_MACADDRLO 0x500
> +#define EMAC_MACADDRHI 0x504
> +#define EMAC_MACINDEX 0x508
> +#define EMAC_TX0HDP 0x600
> +#define EMAC_TX1HDP 0x604
> +#define EMAC_TX2HDP 0x608
> +#define EMAC_TX3HDP 0x60c
> +#define EMAC_TX4HDP 0x610
> +#define EMAC_TX5HDP 0x614
> +#define EMAC_TX6HDP 0x618
> +#define EMAC_TX7HDP 0x61c
> +#define EMAC_RX0HDP 0x620
> +#define EMAC_RX1HDP 0x624
> +#define EMAC_RX2HDP 0x628
> +#define EMAC_RX3HDP 0x62c
> +#define EMAC_RX4HDP 0x630
> +#define EMAC_RX5HDP 0x634
> +#define EMAC_RX6HDP 0x638
> +#define EMAC_RX7HDP 0x63c
> +#define EMAC_TX0CP 0x640
> +#define EMAC_TX1CP 0x644
> +#define EMAC_TX2CP 0x648
> +#define EMAC_TX3CP 0x64c
> +#define EMAC_TX4CP 0x650
> +#define EMAC_TX5CP 0x654
> +#define EMAC_TX6CP 0x658
> +#define EMAC_TX7CP 0x65c
> +#define EMAC_RX0CP 0x660
> +#define EMAC_RX1CP 0x664
> +#define EMAC_RX2CP 0x668
> +#define EMAC_RX3CP 0x66c
> +#define EMAC_RX4CP 0x670
> +#define EMAC_RX5CP 0x674
> +#define EMAC_RX6CP 0x678
> +#define EMAC_RX7CP 0x67c
> +
> +/* EMAC Wrapper Registers */
> +#define EMAC_EWRAP_IDVER 0x00
> +#define EMAC_EWRAP_SOFTRESET 0x04
> +#define EMAC_EWRAP_INTCTRL 0x0c
> +#define EMAC_EWRAP_C0RXTHRESHEN 0x10
> +#define EMAC_EWRAP_C0RXEN 0x14
> +#define EMAC_EWRAP_C0TXEN 0x18
> +#define EMAC_EWRAP_C0MISCEN 0x1c
> +#define EMAC_EWRAP_C1RXTHRESHEN 0x20
> +#define EMAC_EWRAP_C1RXEN 0x24
> +#define EMAC_EWRAP_C1TXEN 0x28
> +#define EMAC_EWRAP_C1MISCEN 0x2c
> +#define EMAC_EWRAP_C2RXTHRESHEN 0x30
> +#define EMAC_EWRAP_C2RXEN 0x34
> +#define EMAC_EWRAP_C2TXEN 0x38
> +#define EMAC_EWRAP_C2MISCEN 0x3c
> +#define EMAC_EWRAP_C0RXTHRESHSTAT 0x40
> +#define EMAC_EWRAP_C0RXSTAT 0x44
> +#define EMAC_EWRAP_C0TXSTAT 0x48
> +#define EMAC_EWRAP_C0MISCSTAT 0x4c
> +#define EMAC_EWRAP_C1RXTHRESHSTAT 0x50
> +#define EMAC_EWRAP_C1RXSTAT 0x54
> +#define EMAC_EWRAP_C1TXSTAT 0x58
> +#define EMAC_EWRAP_C1MISCSTAT 0x5c
> +#define EMAC_EWRAP_C2RXTHRESHSTAT 0x60
> +#define EMAC_EWRAP_C2RXSTAT 0x64
> +#define EMAC_EWRAP_C2TXSTAT 0x68
> +#define EMAC_EWRAP_C2MISCSTAT 0x6c
> +#define EMAC_EWRAP_C0RXIMAX 0x70
> +#define EMAC_EWRAP_C0TXIMAX 0x74
> +#define EMAC_EWRAP_C1RXIMAX 0x78
> +#define EMAC_EWRAP_C1TXIMAX 0x7c
> +#define EMAC_EWRAP_C2RXIMAX 0x80
> +#define EMAC_EWRAP_C2TXIMAX 0x84
> +
> +/* EMAC MDIO Registers */
> +#define EMAC_MDIO_VERSION 0x00
> +#define EMAC_MDIO_CONTROL 0x04
> +#define EMAC_MDIO_ALIVE 0x08
> +#define EMAC_MDIO_LINK 0x0c
> +#define EMAC_MDIO_LINKINTRAW 0x10
> +#define EMAC_MDIO_LINKINTMASKED 0x14
> +#define EMAC_MDIO_USERINTRAW 0x20
> +#define EMAC_MDIO_USERINTMASKED 0x24
> +#define EMAC_MDIO_USERINTMASKSET 0x28
> +#define EMAC_MDIO_USERINTMASKCLEAR 0x2c
> +#define EMAC_MDIO_USERACCESS0 0x80
> +#define EMAC_MDIO_USERPHYSEL0 0x84
> +#define EMAC_MDIO_USERACCESS1 0x88
> +#define EMAC_MDIO_USERPHYSEL1 0x8c
> +
> +#endif /* _DAVINCI_EMAC_H_ */
> --
> 1.7.10.4
>
>
> _______________________________________________
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> barebox at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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