From 54edd7cfa91366b5f9d44ba24290ac94ebb97720 Mon Sep 17 00:00:00 2001 From: Johannes Stezenbach Date: Mon, 25 Jun 2012 18:03:43 +0200 Subject: drivers/net: add designware driver Straight forward port of Synopsys Designware ethernet driver from u-boot v2012.04.01. Signed-off-by: Johannes Stezenbach Signed-off-by: Sascha Hauer --- drivers/net/Kconfig | 16 ++ drivers/net/Makefile | 1 + drivers/net/designware.c | 436 +++++++++++++++++++++++++++++++++++++++++++++++ drivers/net/designware.h | 230 +++++++++++++++++++++++++ include/net/designware.h | 9 + 5 files changed, 692 insertions(+) create mode 100644 drivers/net/designware.c create mode 100644 drivers/net/designware.h create mode 100644 include/net/designware.h diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 172cc39080..749ea6a9c0 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -13,6 +13,9 @@ config HAS_AT91_ETHER config HAS_NETX_ETHER bool +config HAS_DESIGNWARE_ETH + bool + config ARCH_HAS_FEC_IMX bool @@ -108,6 +111,19 @@ config DRIVER_NET_KS8851_MLL This option enables support for the Micrel KS8851 MLL ethernet chip. +config DRIVER_NET_DESIGNWARE + bool "Designware Universal MAC ethernet driver" + select MIIDEV + depends on HAS_DESIGNWARE_ETH + help + This option enables support for the Synopsys + Designware Core Univesal MAC 10M/100M/1G ethernet IP. + +config DRIVER_NET_DESIGNWARE_ALTDESCRIPTOR + bool + depends on DRIVER_NET_DESIGNWARE + default n + source "drivers/net/usb/Kconfig" endmenu diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 34dbee9e13..29727b7d5b 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -13,3 +13,4 @@ obj-$(CONFIG_MIIDEV) += miidev.o obj-$(CONFIG_NET_USB) += usb/ obj-$(CONFIG_DRIVER_NET_TSE) += altera_tse.o obj-$(CONFIG_DRIVER_NET_KS8851_MLL) += ks8851_mll.o +obj-$(CONFIG_DRIVER_NET_DESIGNWARE) += designware.o diff --git a/drivers/net/designware.c b/drivers/net/designware.c new file mode 100644 index 0000000000..379b4e39a5 --- /dev/null +++ b/drivers/net/designware.c @@ -0,0 +1,436 @@ +/* + * (C) Copyright 2010 + * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Designware ethernet IP driver for u-boot + */ + +#include +#include +#include +#include +#include +#include +#include +#include "designware.h" + + +struct dw_eth_dev { + struct eth_device netdev; + struct mii_device miidev; + + void (*fix_mac_speed)(int speed); + u8 macaddr[6]; + u32 tx_currdescnum; + u32 rx_currdescnum; + + struct dmamacdescr *tx_mac_descrtable; + struct dmamacdescr *rx_mac_descrtable; + + u8 *txbuffs; + u8 *rxbuffs; + + struct eth_mac_regs *mac_regs_p; + struct eth_dma_regs *dma_regs_p; +}; + +/* Speed specific definitions */ +#define SPEED_10M 1 +#define SPEED_100M 2 +#define SPEED_1000M 3 + +/* Duplex mode specific definitions */ +#define HALF_DUPLEX 1 +#define FULL_DUPLEX 2 + + +static int dwc_ether_mii_read(struct mii_device *dev, int addr, int reg) +{ + struct dw_eth_dev *priv = dev->edev->priv; + struct eth_mac_regs *mac_p = priv->mac_regs_p; + u64 start; + u32 miiaddr; + + miiaddr = ((addr << MIIADDRSHIFT) & MII_ADDRMSK) | \ + ((reg << MIIREGSHIFT) & MII_REGMSK); + + writel(miiaddr | MII_CLKRANGE_150_250M | MII_BUSY, &mac_p->miiaddr); + + start = get_time_ns(); + while (readl(&mac_p->miiaddr) & MII_BUSY) { + if (is_timeout(start, 10 * MSECOND)) { + dev_err(&priv->netdev.dev, "MDIO timeout\n"); + return -EIO; + } + } + return readl(&mac_p->miidata) & 0xffff; +} + +static int dwc_ether_mii_write(struct mii_device *dev, int addr, int reg, int val) +{ + struct dw_eth_dev *priv = dev->edev->priv; + struct eth_mac_regs *mac_p = priv->mac_regs_p; + u64 start; + u32 miiaddr; + + writel(val, &mac_p->miidata); + miiaddr = ((addr << MIIADDRSHIFT) & MII_ADDRMSK) | \ + ((reg << MIIREGSHIFT) & MII_REGMSK) | MII_WRITE; + + writel(miiaddr | MII_CLKRANGE_150_250M | MII_BUSY, &mac_p->miiaddr); + + start = get_time_ns(); + while (readl(&mac_p->miiaddr) & MII_BUSY) { + if (is_timeout(start, 10 * MSECOND)) { + dev_err(&priv->netdev.dev, "MDIO timeout\n"); + return -EIO; + } + } + + /* Needed as a fix for ST-Phy */ + dwc_ether_mii_read(dev, addr, reg); + return 0; +} + + +static int mac_reset(struct eth_device *dev) +{ + struct dw_eth_dev *priv = dev->priv; + struct eth_mac_regs *mac_p = priv->mac_regs_p; + struct eth_dma_regs *dma_p = priv->dma_regs_p; + u64 start; + + writel(DMAMAC_SRST, &dma_p->busmode); + writel(MII_PORTSELECT, &mac_p->conf); + + start = get_time_ns(); + while (readl(&dma_p->busmode) & DMAMAC_SRST) { + if (is_timeout(start, 10 * MSECOND)) { + dev_err(&priv->netdev.dev, "MAC reset timeout\n"); + return -EIO; + } + } + return 0; +} + +static void tx_descs_init(struct eth_device *dev) +{ + struct dw_eth_dev *priv = dev->priv; + struct eth_dma_regs *dma_p = priv->dma_regs_p; + struct dmamacdescr *desc_table_p = &priv->tx_mac_descrtable[0]; + char *txbuffs = &priv->txbuffs[0]; + struct dmamacdescr *desc_p; + u32 idx; + + for (idx = 0; idx < CONFIG_TX_DESCR_NUM; idx++) { + desc_p = &desc_table_p[idx]; + desc_p->dmamac_addr = &txbuffs[idx * CONFIG_ETH_BUFSIZE]; + desc_p->dmamac_next = &desc_table_p[idx + 1]; + +#if defined(CONFIG_DRIVER_NET_DESIGNWARE_ALTDESCRIPTOR) + desc_p->txrx_status &= ~(DESC_TXSTS_TXINT | DESC_TXSTS_TXLAST | + DESC_TXSTS_TXFIRST | DESC_TXSTS_TXCRCDIS | \ + DESC_TXSTS_TXCHECKINSCTRL | \ + DESC_TXSTS_TXRINGEND | DESC_TXSTS_TXPADDIS); + + desc_p->txrx_status |= DESC_TXSTS_TXCHAIN; + desc_p->dmamac_cntl = 0; + desc_p->txrx_status &= ~(DESC_TXSTS_MSK | DESC_TXSTS_OWNBYDMA); +#else + desc_p->dmamac_cntl = DESC_TXCTRL_TXCHAIN; + desc_p->txrx_status = 0; +#endif + } + + /* Correcting the last pointer of the chain */ + desc_p->dmamac_next = &desc_table_p[0]; + + writel((ulong)&desc_table_p[0], &dma_p->txdesclistaddr); +} + +static void rx_descs_init(struct eth_device *dev) +{ + struct dw_eth_dev *priv = dev->priv; + struct eth_dma_regs *dma_p = priv->dma_regs_p; + struct dmamacdescr *desc_table_p = &priv->rx_mac_descrtable[0]; + char *rxbuffs = &priv->rxbuffs[0]; + struct dmamacdescr *desc_p; + u32 idx; + + for (idx = 0; idx < CONFIG_RX_DESCR_NUM; idx++) { + desc_p = &desc_table_p[idx]; + desc_p->dmamac_addr = &rxbuffs[idx * CONFIG_ETH_BUFSIZE]; + desc_p->dmamac_next = &desc_table_p[idx + 1]; + + desc_p->dmamac_cntl = + (MAC_MAX_FRAME_SZ & DESC_RXCTRL_SIZE1MASK) | \ + DESC_RXCTRL_RXCHAIN; + + dma_inv_range((unsigned long)desc_p->dmamac_addr, + (unsigned long)desc_p->dmamac_addr + CONFIG_ETH_BUFSIZE); + desc_p->txrx_status = DESC_RXSTS_OWNBYDMA; + } + + /* Correcting the last pointer of the chain */ + desc_p->dmamac_next = &desc_table_p[0]; + + writel((ulong)&desc_table_p[0], &dma_p->rxdesclistaddr); +} + +static void descs_init(struct eth_device *dev) +{ + tx_descs_init(dev); + rx_descs_init(dev); +} + +static int dwc_ether_init(struct eth_device *dev) +{ + struct dw_eth_dev *priv = dev->priv; + struct eth_mac_regs *mac_p = priv->mac_regs_p; + struct eth_dma_regs *dma_p = priv->dma_regs_p; + + if (mac_reset(dev) < 0) + return -1; + + /* HW MAC address is lost during MAC reset */ + dev->set_ethaddr(dev, priv->macaddr); + + writel(FIXEDBURST | PRIORXTX_41 | BURST_16, &dma_p->busmode); + writel(FLUSHTXFIFO | readl(&dma_p->opmode), &dma_p->opmode); + writel(STOREFORWARD | TXSECONDFRAME, &dma_p->opmode); + writel(FRAMEBURSTENABLE | DISABLERXOWN, &mac_p->conf); + return 0; +} + +static int dwc_ether_open(struct eth_device *dev) +{ + struct dw_eth_dev *priv = dev->priv; + struct eth_mac_regs *mac_p = priv->mac_regs_p; + struct eth_dma_regs *dma_p = priv->dma_regs_p; + u32 conf; + int link, speed; + + miidev_wait_aneg(&priv->miidev); + miidev_print_status(&priv->miidev); + link = miidev_get_status(&priv->miidev); + + if (priv->fix_mac_speed) { + speed = link & MIIDEV_STATUS_IS_1000MBIT ? 1000 : + (link & MIIDEV_STATUS_IS_100MBIT ? 100 : 10); + priv->fix_mac_speed(speed); + } + + conf = readl(&mac_p->conf); + if (link & MIIDEV_STATUS_IS_FULL_DUPLEX) + conf |= FULLDPLXMODE; + else + conf &= ~FULLDPLXMODE; + if (link & MIIDEV_STATUS_IS_1000MBIT) + conf &= ~MII_PORTSELECT; + else + conf |= MII_PORTSELECT; + writel(conf, &mac_p->conf); + + descs_init(dev); + + /* + * Start/Enable xfer at dma as well as mac level + */ + writel(readl(&dma_p->opmode) | RXSTART, &dma_p->opmode); + writel(readl(&dma_p->opmode) | TXSTART, &dma_p->opmode); + writel(readl(&mac_p->conf) | RXENABLE | TXENABLE, &mac_p->conf); + return 0; +} + +static int dwc_ether_send(struct eth_device *dev, void *packet, int length) +{ + struct dw_eth_dev *priv = dev->priv; + struct eth_dma_regs *dma_p = priv->dma_regs_p; + u32 desc_num = priv->tx_currdescnum; + struct dmamacdescr *desc_p = &priv->tx_mac_descrtable[desc_num]; + + /* Check if the descriptor is owned by CPU */ + if (desc_p->txrx_status & DESC_TXSTS_OWNBYDMA) { + dev_err(&dev->dev, "CPU not owner of tx frame\n"); + return -1; + } + + memcpy((void *)desc_p->dmamac_addr, packet, length); + dma_flush_range((unsigned long)desc_p->dmamac_addr, + (unsigned long)desc_p->dmamac_addr + length); + +#if defined(CONFIG_DRIVER_NET_DESIGNWARE_ALTDESCRIPTOR) + desc_p->txrx_status |= DESC_TXSTS_TXFIRST | DESC_TXSTS_TXLAST; + desc_p->dmamac_cntl |= (length << DESC_TXCTRL_SIZE1SHFT) & \ + DESC_TXCTRL_SIZE1MASK; + + desc_p->txrx_status &= ~(DESC_TXSTS_MSK); + desc_p->txrx_status |= DESC_TXSTS_OWNBYDMA; +#else + desc_p->dmamac_cntl |= ((length << DESC_TXCTRL_SIZE1SHFT) & \ + DESC_TXCTRL_SIZE1MASK) | DESC_TXCTRL_TXLAST | \ + DESC_TXCTRL_TXFIRST; + + desc_p->txrx_status = DESC_TXSTS_OWNBYDMA; +#endif + + /* Test the wrap-around condition. */ + if (++desc_num >= CONFIG_TX_DESCR_NUM) + desc_num = 0; + + priv->tx_currdescnum = desc_num; + + /* Start the transmission */ + writel(POLL_DATA, &dma_p->txpolldemand); + return 0; +} + +static int dwc_ether_rx(struct eth_device *dev) +{ + struct dw_eth_dev *priv = dev->priv; + u32 desc_num = priv->rx_currdescnum; + struct dmamacdescr *desc_p = &priv->rx_mac_descrtable[desc_num]; + + u32 status = desc_p->txrx_status; + int length = 0; + + /* Check if the owner is the CPU */ + if (status & DESC_RXSTS_OWNBYDMA) + return 0; + + length = (status & DESC_RXSTS_FRMLENMSK) >> \ + DESC_RXSTS_FRMLENSHFT; + + net_receive(desc_p->dmamac_addr, length); + + /* + * Make the current descriptor valid again and go to + * the next one + */ + dma_inv_range((unsigned long)desc_p->dmamac_addr, + (unsigned long)desc_p->dmamac_addr + length); + desc_p->txrx_status |= DESC_RXSTS_OWNBYDMA; + + /* Test the wrap-around condition. */ + if (++desc_num >= CONFIG_RX_DESCR_NUM) + desc_num = 0; + + priv->rx_currdescnum = desc_num; + + return length; +} + +static void dwc_ether_halt (struct eth_device *dev) +{ + struct dw_eth_dev *priv = dev->priv; + + mac_reset(dev); + priv->tx_currdescnum = priv->rx_currdescnum = 0; +} + +static int dwc_ether_get_ethaddr(struct eth_device *dev, u8 adr[6]) +{ + /* we have no EEPROM */ + return -1; +} + +static int dwc_ether_set_ethaddr(struct eth_device *dev, u8 adr[6]) +{ + struct dw_eth_dev *priv = dev->priv; + struct eth_mac_regs *mac_p = priv->mac_regs_p; + u32 macid_lo, macid_hi; + + macid_lo = adr[0] + (adr[1] << 8) + \ + (adr[2] << 16) + (adr[3] << 24); + macid_hi = adr[4] + (adr[5] << 8); + writel(macid_hi, &mac_p->macaddr0hi); + writel(macid_lo, &mac_p->macaddr0lo); + memcpy(priv->macaddr, adr, 6); + return 0; +} + +static int dwc_ether_probe(struct device_d *dev) +{ + struct dw_eth_dev *priv; + struct eth_device *edev; + struct mii_device *miidev; + void __iomem *base; + struct dwc_ether_platform_data *pdata = dev->platform_data; + + if (!pdata) { + printf("dwc_ether: no platform_data\n"); + return -ENODEV; + } + + priv = xzalloc(sizeof(struct dw_eth_dev)); + + base = dev_request_mem_region(dev, 0); + priv->mac_regs_p = base; + dev_info(dev, "MAC version %08x\n", readl(&priv->mac_regs_p->version)); + priv->dma_regs_p = base + DW_DMA_BASE_OFFSET; + priv->tx_mac_descrtable = dma_alloc_coherent( + CONFIG_TX_DESCR_NUM * sizeof(struct dmamacdescr)); + priv->rx_mac_descrtable = dma_alloc_coherent( + CONFIG_RX_DESCR_NUM * sizeof(struct dmamacdescr)); + priv->txbuffs = malloc(TX_TOTAL_BUFSIZE); + priv->rxbuffs = malloc(RX_TOTAL_BUFSIZE); + priv->fix_mac_speed = pdata->fix_mac_speed; + + edev = &priv->netdev; + miidev = &priv->miidev; + edev->priv = priv; + + edev->init = dwc_ether_init; + edev->open = dwc_ether_open; + edev->send = dwc_ether_send; + edev->recv = dwc_ether_rx; + edev->halt = dwc_ether_halt; + edev->get_ethaddr = dwc_ether_get_ethaddr; + edev->set_ethaddr = dwc_ether_set_ethaddr; + + miidev->address = pdata->phy_addr; + miidev->read = dwc_ether_mii_read; + miidev->write = dwc_ether_mii_write; + miidev->edev = edev; + + mii_register(miidev); + eth_register(edev); + return 0; +} + +static void dwc_ether_remove(struct device_d *dev) +{ +} + +static struct driver_d dwc_ether_driver = { + .name = "designware_eth", + .probe = dwc_ether_probe, + .remove = dwc_ether_remove, +}; + +static int dwc_ether_driver_init(void) +{ + register_driver(&dwc_ether_driver); + return 0; +} +device_initcall(dwc_ether_driver_init); diff --git a/drivers/net/designware.h b/drivers/net/designware.h new file mode 100644 index 0000000000..db2ead48aa --- /dev/null +++ b/drivers/net/designware.h @@ -0,0 +1,230 @@ +/* + * (C) Copyright 2010 + * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __DESIGNWARE_ETH_H +#define __DESIGNWARE_ETH_H + +#define CONFIG_TX_DESCR_NUM 16 +#define CONFIG_RX_DESCR_NUM 16 +#define CONFIG_ETH_BUFSIZE 2048 +#define TX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_TX_DESCR_NUM) +#define RX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_RX_DESCR_NUM) + +struct eth_mac_regs { + u32 conf; /* 0x00 */ + u32 framefilt; /* 0x04 */ + u32 hashtablehigh; /* 0x08 */ + u32 hashtablelow; /* 0x0c */ + u32 miiaddr; /* 0x10 */ + u32 miidata; /* 0x14 */ + u32 flowcontrol; /* 0x18 */ + u32 vlantag; /* 0x1c */ + u32 version; /* 0x20 */ + u8 reserved_1[20]; + u32 intreg; /* 0x38 */ + u32 intmask; /* 0x3c */ + u32 macaddr0hi; /* 0x40 */ + u32 macaddr0lo; /* 0x44 */ +}; + +/* MAC configuration register definitions */ +#define FRAMEBURSTENABLE (1 << 21) +#define MII_PORTSELECT (1 << 15) +#define FES_100 (1 << 14) +#define DISABLERXOWN (1 << 13) +#define FULLDPLXMODE (1 << 11) +#define RXENABLE (1 << 2) +#define TXENABLE (1 << 3) + +/* MII address register definitions */ +#define MII_BUSY (1 << 0) +#define MII_WRITE (1 << 1) +#define MII_CLKRANGE_60_100M (0) +#define MII_CLKRANGE_100_150M (0x4) +#define MII_CLKRANGE_20_35M (0x8) +#define MII_CLKRANGE_35_60M (0xC) +#define MII_CLKRANGE_150_250M (0x10) +#define MII_CLKRANGE_250_300M (0x14) + +#define MIIADDRSHIFT (11) +#define MIIREGSHIFT (6) +#define MII_REGMSK (0x1F << 6) +#define MII_ADDRMSK (0x1F << 11) + + +struct eth_dma_regs { + u32 busmode; /* 0x00 */ + u32 txpolldemand; /* 0x04 */ + u32 rxpolldemand; /* 0x08 */ + u32 rxdesclistaddr; /* 0x0c */ + u32 txdesclistaddr; /* 0x10 */ + u32 status; /* 0x14 */ + u32 opmode; /* 0x18 */ + u32 intenable; /* 0x1c */ + u8 reserved[40]; + u32 currhosttxdesc; /* 0x48 */ + u32 currhostrxdesc; /* 0x4c */ + u32 currhosttxbuffaddr; /* 0x50 */ + u32 currhostrxbuffaddr; /* 0x54 */ +}; + +#define DW_DMA_BASE_OFFSET (0x1000) + +/* Bus mode register definitions */ +#define FIXEDBURST (1 << 16) +#define PRIORXTX_41 (3 << 14) +#define PRIORXTX_31 (2 << 14) +#define PRIORXTX_21 (1 << 14) +#define PRIORXTX_11 (0 << 14) +#define BURST_1 (1 << 8) +#define BURST_2 (2 << 8) +#define BURST_4 (4 << 8) +#define BURST_8 (8 << 8) +#define BURST_16 (16 << 8) +#define BURST_32 (32 << 8) +#define RXHIGHPRIO (1 << 1) +#define DMAMAC_SRST (1 << 0) + +/* Poll demand definitions */ +#define POLL_DATA (0xFFFFFFFF) + +/* Operation mode definitions */ +#define STOREFORWARD (1 << 21) +#define FLUSHTXFIFO (1 << 20) +#define TXSTART (1 << 13) +#define TXSECONDFRAME (1 << 2) +#define RXSTART (1 << 1) + +/* Descriptior related definitions */ +#define MAC_MAX_FRAME_SZ (1600) + +struct dmamacdescr { + u32 txrx_status; + u32 dmamac_cntl; + void *dmamac_addr; + struct dmamacdescr *dmamac_next; +}; + +/* + * txrx_status definitions + */ + +/* tx status bits definitions */ +#if defined(CONFIG_DRIVER_NET_DESIGNWARE_ALTDESCRIPTOR) + +#define DESC_TXSTS_OWNBYDMA (1 << 31) +#define DESC_TXSTS_TXINT (1 << 30) +#define DESC_TXSTS_TXLAST (1 << 29) +#define DESC_TXSTS_TXFIRST (1 << 28) +#define DESC_TXSTS_TXCRCDIS (1 << 27) + +#define DESC_TXSTS_TXPADDIS (1 << 26) +#define DESC_TXSTS_TXCHECKINSCTRL (3 << 22) +#define DESC_TXSTS_TXRINGEND (1 << 21) +#define DESC_TXSTS_TXCHAIN (1 << 20) +#define DESC_TXSTS_MSK (0x1FFFF << 0) + +#else + +#define DESC_TXSTS_OWNBYDMA (1 << 31) +#define DESC_TXSTS_MSK (0x1FFFF << 0) + +#endif + +/* rx status bits definitions */ +#define DESC_RXSTS_OWNBYDMA (1 << 31) +#define DESC_RXSTS_DAFILTERFAIL (1 << 30) +#define DESC_RXSTS_FRMLENMSK (0x3FFF << 16) +#define DESC_RXSTS_FRMLENSHFT (16) + +#define DESC_RXSTS_ERROR (1 << 15) +#define DESC_RXSTS_RXTRUNCATED (1 << 14) +#define DESC_RXSTS_SAFILTERFAIL (1 << 13) +#define DESC_RXSTS_RXIPC_GIANTFRAME (1 << 12) +#define DESC_RXSTS_RXDAMAGED (1 << 11) +#define DESC_RXSTS_RXVLANTAG (1 << 10) +#define DESC_RXSTS_RXFIRST (1 << 9) +#define DESC_RXSTS_RXLAST (1 << 8) +#define DESC_RXSTS_RXIPC_GIANT (1 << 7) +#define DESC_RXSTS_RXCOLLISION (1 << 6) +#define DESC_RXSTS_RXFRAMEETHER (1 << 5) +#define DESC_RXSTS_RXWATCHDOG (1 << 4) +#define DESC_RXSTS_RXMIIERROR (1 << 3) +#define DESC_RXSTS_RXDRIBBLING (1 << 2) +#define DESC_RXSTS_RXCRC (1 << 1) + +/* + * dmamac_cntl definitions + */ + +/* tx control bits definitions */ +#if defined(CONFIG_DRIVER_NET_DESIGNWARE_ALTDESCRIPTOR) + +#define DESC_TXCTRL_SIZE1MASK (0x1FFF << 0) +#define DESC_TXCTRL_SIZE1SHFT (0) +#define DESC_TXCTRL_SIZE2MASK (0x1FFF << 16) +#define DESC_TXCTRL_SIZE2SHFT (16) + +#else + +#define DESC_TXCTRL_TXINT (1 << 31) +#define DESC_TXCTRL_TXLAST (1 << 30) +#define DESC_TXCTRL_TXFIRST (1 << 29) +#define DESC_TXCTRL_TXCHECKINSCTRL (3 << 27) +#define DESC_TXCTRL_TXCRCDIS (1 << 26) +#define DESC_TXCTRL_TXRINGEND (1 << 25) +#define DESC_TXCTRL_TXCHAIN (1 << 24) + +#define DESC_TXCTRL_SIZE1MASK (0x7FF << 0) +#define DESC_TXCTRL_SIZE1SHFT (0) +#define DESC_TXCTRL_SIZE2MASK (0x7FF << 11) +#define DESC_TXCTRL_SIZE2SHFT (11) + +#endif + +/* rx control bits definitions */ +#if defined(CONFIG_DRIVER_NET_DESIGNWARE_ALTDESCRIPTOR) + +#define DESC_RXCTRL_RXINTDIS (1 << 31) +#define DESC_RXCTRL_RXRINGEND (1 << 15) +#define DESC_RXCTRL_RXCHAIN (1 << 14) + +#define DESC_RXCTRL_SIZE1MASK (0x1FFF << 0) +#define DESC_RXCTRL_SIZE1SHFT (0) +#define DESC_RXCTRL_SIZE2MASK (0x1FFF << 16) +#define DESC_RXCTRL_SIZE2SHFT (16) + +#else + +#define DESC_RXCTRL_RXINTDIS (1 << 31) +#define DESC_RXCTRL_RXRINGEND (1 << 25) +#define DESC_RXCTRL_RXCHAIN (1 << 24) + +#define DESC_RXCTRL_SIZE1MASK (0x7FF << 0) +#define DESC_RXCTRL_SIZE1SHFT (0) +#define DESC_RXCTRL_SIZE2MASK (0x7FF << 11) +#define DESC_RXCTRL_SIZE2SHFT (11) + +#endif + +#endif diff --git a/include/net/designware.h b/include/net/designware.h new file mode 100644 index 0000000000..3f9f5b97a7 --- /dev/null +++ b/include/net/designware.h @@ -0,0 +1,9 @@ +#ifndef __DWC_UNIMAC_H +#define __DWC_UNIMAC_H + +struct dwc_ether_platform_data { + u8 phy_addr; + void (*fix_mac_speed)(int speed); +}; + +#endif -- cgit v1.2.3