From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SjXtS-00055O-9g for barebox@lists.infradead.org; Tue, 26 Jun 2012 15:41:32 +0000 Date: Tue, 26 Jun 2012 17:41:28 +0200 From: Sascha Hauer Message-ID: <20120626154128.GK14321@pengutronix.de> References: <20120625160343.GA24551@sig21.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20120625160343.GA24551@sig21.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH v2] drivers/net: add designware driver To: Johannes Stezenbach Cc: barebox@lists.infradead.org On Mon, Jun 25, 2012 at 06:03:43PM +0200, Johannes Stezenbach wrote: > Straight forward port of Synopsys Designware ethernet > driver from u-boot v2012.04.01. Applied, thanks Sascha > > Signed-off-by: Johannes Stezenbach > --- > 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(+) > > v2: > - remove usleep() in timeout loops > - change rx and tx buffers to use malloc() instead of dma_alloc_coherent(), > and use dma_inv_range() + dma_flush_range() > - add DRIVER_NET_DESIGNWARE_ALTDESCRIPTOR in Kconfig > (platforms that need it need to use "select") > > Patch applies cleanly to master and next. > > > diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig > index 172cc39..749ea6a 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 34dbee9..29727b7 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 0000000..379b4e3 > --- /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 0000000..db2ead4 > --- /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 0000000..3f9f5b9 > --- /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 > -- > 1.7.10.4 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox