]> git.sur5r.net Git - u-boot/blobdiff - drivers/net/tsec.c
sf: add paired dev info for winbond w25q16jv
[u-boot] / drivers / net / tsec.c
index ea2363e0e7c4d64087dc24459b07eac66976f7c4..03a46da2f8a1519072e4f730d88e8194db6ba733 100644 (file)
@@ -1,26 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Freescale Three Speed Ethernet Controller driver
  *
  * Copyright 2004-2011, 2013 Freescale Semiconductor, Inc.
  * (C) Copyright 2003, Motorola, Inc.
  * author Andy Fleming
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <config.h>
 #include <common.h>
+#include <dm.h>
 #include <malloc.h>
 #include <net.h>
 #include <command.h>
 #include <tsec.h>
 #include <fsl_mdio.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include <asm/processor.h>
 #include <asm/io.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
+#ifndef CONFIG_DM_ETH
 /* Default initializations for TSEC controllers. */
 
 static struct tsec_info_struct tsec_info[] = {
@@ -46,6 +45,7 @@ static struct tsec_info_struct tsec_info[] = {
        STD_TSEC_INFO(4),       /* TSEC4 */
 #endif
 };
+#endif /* CONFIG_DM_ETH */
 
 #define TBIANA_SETTINGS ( \
                TBIANA_ASYMMETRIC_PAUSE \
@@ -71,11 +71,11 @@ static void tsec_configure_serdes(struct tsec_private *priv)
         * to the register offset used for external PHY accesses
         */
        tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa),
-                       0, TBI_ANA, TBIANA_SETTINGS);
+                             0, TBI_ANA, TBIANA_SETTINGS);
        tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa),
-                       0, TBI_TBICON, TBICON_CLK_SELECT);
+                             0, TBI_TBICON, TBICON_CLK_SELECT);
        tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa),
-                       0, TBI_CR, CONFIG_TSEC_TBICR_SETTINGS);
+                             0, TBI_CR, CONFIG_TSEC_TBICR_SETTINGS);
 }
 
 #ifdef CONFIG_MCAST_TFTP
@@ -98,7 +98,11 @@ static void tsec_configure_serdes(struct tsec_private *priv)
  * for PowerPC (tm) is usually the case) in the register holds
  * the entry.
  */
+#ifndef CONFIG_DM_ETH
 static int tsec_mcast_addr(struct eth_device *dev, const u8 *mcast_mac, u8 set)
+#else
+static int tsec_mcast_addr(struct udevice *dev, const u8 *mcast_mac, int set)
+#endif
 {
        struct tsec_private *priv = (struct tsec_private *)dev->priv;
        struct tsec __iomem *regs = priv->regs;
@@ -109,7 +113,7 @@ static int tsec_mcast_addr(struct eth_device *dev, const u8 *mcast_mac, u8 set)
        whichbit = (result >> 24) & 0x1f; /* the 5 LSB = which bit to set */
        whichreg = result >> 29; /* the 3 MSB = which reg to set it in */
 
-       value = 1 << (31-whichbit);
+       value = BIT(31 - whichbit);
 
        if (set)
                setbits_be32(&regs->hash.gaddr0 + whichreg, value);
@@ -164,7 +168,6 @@ static void init_registers(struct tsec __iomem *regs)
 
        out_be32(&regs->attr, ATTR_INIT_SETTINGS);
        out_be32(&regs->attreli, ATTRELI_INIT_SETTINGS);
-
 }
 
 /*
@@ -215,8 +218,8 @@ static void adjust_link(struct tsec_private *priv, struct phy_device *phydev)
        out_be32(&regs->maccfg2, maccfg2);
 
        printf("Speed: %d, %s duplex%s\n", phydev->speed,
-                       (phydev->duplex) ? "full" : "half",
-                       (phydev->port == PORT_FIBRE) ? ", fiber mode" : "");
+              (phydev->duplex) ? "full" : "half",
+              (phydev->port == PORT_FIBRE) ? ", fiber mode" : "");
 }
 
 /*
@@ -225,11 +228,15 @@ static void adjust_link(struct tsec_private *priv, struct phy_device *phydev)
  * do the same. Presumably, this would be zero if there were no
  * errors
  */
+#ifndef CONFIG_DM_ETH
 static int tsec_send(struct eth_device *dev, void *packet, int length)
+#else
+static int tsec_send(struct udevice *dev, void *packet, int length)
+#endif
 {
        struct tsec_private *priv = (struct tsec_private *)dev->priv;
        struct tsec __iomem *regs = priv->regs;
-       uint16_t status;
+       u16 status;
        int result = 0;
        int i;
 
@@ -268,6 +275,7 @@ static int tsec_send(struct eth_device *dev, void *packet, int length)
        return result;
 }
 
+#ifndef CONFIG_DM_ETH
 static int tsec_recv(struct eth_device *dev)
 {
        struct tsec_private *priv = (struct tsec_private *)dev->priv;
@@ -275,7 +283,7 @@ static int tsec_recv(struct eth_device *dev)
 
        while (!(in_be16(&priv->rxbd[priv->rx_idx].status) & RXBD_EMPTY)) {
                int length = in_be16(&priv->rxbd[priv->rx_idx].length);
-               uint16_t status = in_be16(&priv->rxbd[priv->rx_idx].status);
+               u16 status = in_be16(&priv->rxbd[priv->rx_idx].status);
                uchar *packet = net_rx_packets[priv->rx_idx];
 
                /* Send the packet up if there were no errors */
@@ -302,9 +310,61 @@ static int tsec_recv(struct eth_device *dev)
 
        return -1;
 }
+#else
+static int tsec_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+       struct tsec_private *priv = (struct tsec_private *)dev->priv;
+       struct tsec __iomem *regs = priv->regs;
+       int ret = -1;
+
+       if (!(in_be16(&priv->rxbd[priv->rx_idx].status) & RXBD_EMPTY)) {
+               int length = in_be16(&priv->rxbd[priv->rx_idx].length);
+               u16 status = in_be16(&priv->rxbd[priv->rx_idx].status);
+               u32 buf;
+
+               /* Send the packet up if there were no errors */
+               if (!(status & RXBD_STATS)) {
+                       buf = in_be32(&priv->rxbd[priv->rx_idx].bufptr);
+                       *packetp = (uchar *)buf;
+                       ret = length - 4;
+               } else {
+                       printf("Got error %x\n", (status & RXBD_STATS));
+               }
+       }
+
+       if (in_be32(&regs->ievent) & IEVENT_BSY) {
+               out_be32(&regs->ievent, IEVENT_BSY);
+               out_be32(&regs->rstat, RSTAT_CLEAR_RHALT);
+       }
+
+       return ret;
+}
+
+static int tsec_free_pkt(struct udevice *dev, uchar *packet, int length)
+{
+       struct tsec_private *priv = (struct tsec_private *)dev->priv;
+       u16 status;
+
+       out_be16(&priv->rxbd[priv->rx_idx].length, 0);
+
+       status = RXBD_EMPTY;
+       /* Set the wrap bit if this is the last element in the list */
+       if ((priv->rx_idx + 1) == PKTBUFSRX)
+               status |= RXBD_WRAP;
+       out_be16(&priv->rxbd[priv->rx_idx].status, status);
+
+       priv->rx_idx = (priv->rx_idx + 1) % PKTBUFSRX;
+
+       return 0;
+}
+#endif
 
 /* Stop the interface */
+#ifndef CONFIG_DM_ETH
 static void tsec_halt(struct eth_device *dev)
+#else
+static void tsec_halt(struct udevice *dev)
+#endif
 {
        struct tsec_private *priv = (struct tsec_private *)dev->priv;
        struct tsec __iomem *regs = priv->regs;
@@ -328,9 +388,8 @@ static void tsec_halt(struct eth_device *dev)
  * of the eTSEC port initialization sequence,
  * the eTSEC Rx logic may not be properly initialized.
  */
-void redundant_init(struct eth_device *dev)
+void redundant_init(struct tsec_private *priv)
 {
-       struct tsec_private *priv = dev->priv;
        struct tsec __iomem *regs = priv->regs;
        uint t, count = 0;
        int fail = 1;
@@ -364,15 +423,16 @@ void redundant_init(struct eth_device *dev)
        clrbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
 
        do {
-               uint16_t status;
-               tsec_send(dev, (void *)pkt, sizeof(pkt));
+               u16 status;
+
+               tsec_send(priv->dev, (void *)pkt, sizeof(pkt));
 
                /* Wait for buffer to be received */
                for (t = 0;
                     in_be16(&priv->rxbd[priv->rx_idx].status) & RXBD_EMPTY;
                     t++) {
                        if (t >= 10 * TOUT_LOOP) {
-                               printf("%s: tsec: rx error\n", dev->name);
+                               printf("%s: tsec: rx error\n", priv->dev->name);
                                break;
                        }
                }
@@ -412,11 +472,10 @@ void redundant_init(struct eth_device *dev)
  * Set up the buffers and their descriptors, and bring up the
  * interface
  */
-static void startup_tsec(struct eth_device *dev)
+static void startup_tsec(struct tsec_private *priv)
 {
-       struct tsec_private *priv = (struct tsec_private *)dev->priv;
        struct tsec __iomem *regs = priv->regs;
-       uint16_t status;
+       u16 status;
        int i;
 
        /* reset the indices to zero */
@@ -451,7 +510,7 @@ static void startup_tsec(struct eth_device *dev)
 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
        svr = get_svr();
        if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0))
-               redundant_init(dev);
+               redundant_init(priv);
 #endif
        /* Enable Transmit and Receive */
        setbits_be32(&regs->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN);
@@ -469,9 +528,16 @@ static void startup_tsec(struct eth_device *dev)
  * that it returns success if the link is up, failure otherwise.
  * This allows U-Boot to find the first active controller.
  */
-static int tsec_init(struct eth_device *dev, bd_t * bd)
+#ifndef CONFIG_DM_ETH
+static int tsec_init(struct eth_device *dev, bd_t *bd)
+#else
+static int tsec_init(struct udevice *dev)
+#endif
 {
        struct tsec_private *priv = (struct tsec_private *)dev->priv;
+#ifdef CONFIG_DM_ETH
+       struct eth_pdata *pdata = dev_get_platdata(dev);
+#endif
        struct tsec __iomem *regs = priv->regs;
        u32 tempval;
        int ret;
@@ -491,12 +557,21 @@ static int tsec_init(struct eth_device *dev, bd_t * bd)
         * order (BE), MACnADDR1 is set to 0xCDAB7856 and
         * MACnADDR2 is set to 0x34120000.
         */
+#ifndef CONFIG_DM_ETH
        tempval = (dev->enetaddr[5] << 24) | (dev->enetaddr[4] << 16) |
                  (dev->enetaddr[3] << 8)  |  dev->enetaddr[2];
+#else
+       tempval = (pdata->enetaddr[5] << 24) | (pdata->enetaddr[4] << 16) |
+                 (pdata->enetaddr[3] << 8)  |  pdata->enetaddr[2];
+#endif
 
        out_be32(&regs->macstnaddr1, tempval);
 
+#ifndef CONFIG_DM_ETH
        tempval = (dev->enetaddr[1] << 24) | (dev->enetaddr[0] << 16);
+#else
+       tempval = (pdata->enetaddr[1] << 24) | (pdata->enetaddr[0] << 16);
+#endif
 
        out_be32(&regs->macstnaddr2, tempval);
 
@@ -504,7 +579,7 @@ static int tsec_init(struct eth_device *dev, bd_t * bd)
        init_registers(regs);
 
        /* Ready the device for tx/rx */
-       startup_tsec(dev);
+       startup_tsec(priv);
 
        /* Start up the PHY */
        ret = phy_startup(priv->phydev);
@@ -538,22 +613,23 @@ static phy_interface_t tsec_get_interface(struct tsec_private *priv)
        }
 
        if (ecntrl & ECNTRL_REDUCED_MODE) {
+               phy_interface_t interface;
+
                if (ecntrl & ECNTRL_REDUCED_MII_MODE)
                        return PHY_INTERFACE_MODE_RMII;
-               else {
-                       phy_interface_t interface = priv->interface;
-
-                       /*
-                        * This isn't autodetected, so it must
-                        * be set by the platform code.
-                        */
-                       if ((interface == PHY_INTERFACE_MODE_RGMII_ID) ||
-                           (interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
-                           (interface == PHY_INTERFACE_MODE_RGMII_RXID))
-                               return interface;
-
-                       return PHY_INTERFACE_MODE_RGMII;
-               }
+
+               interface = priv->interface;
+
+               /*
+                * This isn't autodetected, so it must
+                * be set by the platform code.
+                */
+               if (interface == PHY_INTERFACE_MODE_RGMII_ID ||
+                   interface == PHY_INTERFACE_MODE_RGMII_TXID ||
+                   interface == PHY_INTERFACE_MODE_RGMII_RXID)
+                       return interface;
+
+               return PHY_INTERFACE_MODE_RGMII;
        }
 
        if (priv->flags & TSEC_GIGABIT)
@@ -567,9 +643,8 @@ static phy_interface_t tsec_get_interface(struct tsec_private *priv)
  * properly.  If the PHY is not recognized, then return 0
  * (failure).  Otherwise, return 1
  */
-static int init_phy(struct eth_device *dev)
+static int init_phy(struct tsec_private *priv)
 {
-       struct tsec_private *priv = (struct tsec_private *)dev->priv;
        struct phy_device *phydev;
        struct tsec __iomem *regs = priv->regs;
        u32 supported = (SUPPORTED_10baseT_Half |
@@ -581,14 +656,15 @@ static int init_phy(struct eth_device *dev)
                supported |= SUPPORTED_1000baseT_Full;
 
        /* Assign a Physical address to the TBI */
-       out_be32(&regs->tbipa, CONFIG_SYS_TBIPA_VALUE);
+       out_be32(&regs->tbipa, priv->tbiaddr);
 
        priv->interface = tsec_get_interface(priv);
 
        if (priv->interface == PHY_INTERFACE_MODE_SGMII)
                tsec_configure_serdes(priv);
 
-       phydev = phy_connect(priv->bus, priv->phyaddr, dev, priv->interface);
+       phydev = phy_connect(priv->bus, priv->phyaddr, priv->dev,
+                            priv->interface);
        if (!phydev)
                return 0;
 
@@ -602,6 +678,7 @@ static int init_phy(struct eth_device *dev)
        return 1;
 }
 
+#ifndef CONFIG_DM_ETH
 /*
  * Initialize device structure. Returns success if PHY
  * initialization succeeded (i.e. if it recognizes the PHY)
@@ -612,27 +689,31 @@ static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info)
        int i;
        struct tsec_private *priv;
 
-       dev = (struct eth_device *)malloc(sizeof *dev);
+       dev = (struct eth_device *)malloc(sizeof(*dev));
 
-       if (NULL == dev)
+       if (!dev)
                return 0;
 
-       memset(dev, 0, sizeof *dev);
+       memset(dev, 0, sizeof(*dev));
 
        priv = (struct tsec_private *)malloc(sizeof(*priv));
 
-       if (NULL == priv)
+       if (!priv) {
+               free(dev);
                return 0;
+       }
 
        priv->regs = tsec_info->regs;
        priv->phyregs_sgmii = tsec_info->miiregs_sgmii;
 
        priv->phyaddr = tsec_info->phyaddr;
+       priv->tbiaddr = CONFIG_SYS_TBIPA_VALUE;
        priv->flags = tsec_info->flags;
 
-       sprintf(dev->name, tsec_info->devname);
+       strcpy(dev->name, tsec_info->devname);
        priv->interface = tsec_info->interface;
        priv->bus = miiphy_get_dev_by_name(tsec_info->mii_devname);
+       priv->dev = dev;
        dev->iobase = 0;
        dev->priv = priv;
        dev->init = tsec_init;
@@ -655,7 +736,7 @@ static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info)
        clrbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
 
        /* Try to initialize PHY here, and return */
-       return init_phy(dev);
+       return init_phy(priv);
 }
 
 /*
@@ -666,10 +747,11 @@ static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info)
 int tsec_eth_init(bd_t *bis, struct tsec_info_struct *tsecs, int num)
 {
        int i;
-       int ret, count = 0;
+       int count = 0;
 
        for (i = 0; i < num; i++) {
-               ret = tsec_initialize(bis, &tsecs[i]);
+               int ret = tsec_initialize(bis, &tsecs[i]);
+
                if (ret > 0)
                        count += ret;
        }
@@ -688,3 +770,117 @@ int tsec_standard_init(bd_t *bis)
 
        return tsec_eth_init(bis, tsec_info, ARRAY_SIZE(tsec_info));
 }
+#else /* CONFIG_DM_ETH */
+int tsec_probe(struct udevice *dev)
+{
+       struct tsec_private *priv = dev_get_priv(dev);
+       struct eth_pdata *pdata = dev_get_platdata(dev);
+       struct fsl_pq_mdio_info mdio_info;
+       struct ofnode_phandle_args phandle_args;
+       ofnode parent;
+       const char *phy_mode;
+       int ret;
+
+       pdata->iobase = (phys_addr_t)dev_read_addr(dev);
+       priv->regs = (struct tsec *)pdata->iobase;
+
+       if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
+                                      &phandle_args)) {
+               debug("phy-handle does not exist under tsec %s\n", dev->name);
+               return -ENOENT;
+       } else {
+               int reg = ofnode_read_u32_default(phandle_args.node, "reg", 0);
+
+               priv->phyaddr = reg;
+       }
+
+       parent = ofnode_get_parent(phandle_args.node);
+       if (ofnode_valid(parent)) {
+               int reg = ofnode_get_addr_index(parent, 0);
+
+               priv->phyregs_sgmii = (struct tsec_mii_mng *)reg;
+       } else {
+               debug("No parent node for PHY?\n");
+               return -ENOENT;
+       }
+
+       if (dev_read_phandle_with_args(dev, "tbi-handle", NULL, 0, 0,
+                                      &phandle_args)) {
+               priv->tbiaddr = CONFIG_SYS_TBIPA_VALUE;
+       } else {
+               int reg = ofnode_read_u32_default(phandle_args.node, "reg",
+                                                 CONFIG_SYS_TBIPA_VALUE);
+               priv->tbiaddr = reg;
+       }
+
+       phy_mode = dev_read_prop(dev, "phy-connection-type", NULL);
+       if (phy_mode)
+               pdata->phy_interface = phy_get_interface_by_name(phy_mode);
+       if (pdata->phy_interface == -1) {
+               debug("Invalid PHY interface '%s'\n", phy_mode);
+               return -EINVAL;
+       }
+       priv->interface = pdata->phy_interface;
+
+       /* Initialize flags */
+       priv->flags = TSEC_GIGABIT;
+       if (priv->interface == PHY_INTERFACE_MODE_SGMII)
+               priv->flags |= TSEC_SGMII;
+
+       mdio_info.regs = priv->phyregs_sgmii;
+       mdio_info.name = (char *)dev->name;
+       ret = fsl_pq_mdio_init(NULL, &mdio_info);
+       if (ret)
+               return ret;
+
+       /* Reset the MAC */
+       setbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
+       udelay(2);  /* Soft Reset must be asserted for 3 TX clocks */
+       clrbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
+
+       priv->dev = dev;
+       priv->bus = miiphy_get_dev_by_name(dev->name);
+
+       /* Try to initialize PHY here, and return */
+       return !init_phy(priv);
+}
+
+int tsec_remove(struct udevice *dev)
+{
+       struct tsec_private *priv = dev->priv;
+
+       free(priv->phydev);
+       mdio_unregister(priv->bus);
+       mdio_free(priv->bus);
+
+       return 0;
+}
+
+static const struct eth_ops tsec_ops = {
+       .start = tsec_init,
+       .send = tsec_send,
+       .recv = tsec_recv,
+       .free_pkt = tsec_free_pkt,
+       .stop = tsec_halt,
+#ifdef CONFIG_MCAST_TFTP
+       .mcast = tsec_mcast_addr,
+#endif
+};
+
+static const struct udevice_id tsec_ids[] = {
+       { .compatible = "fsl,tsec" },
+       { }
+};
+
+U_BOOT_DRIVER(eth_tsec) = {
+       .name = "tsec",
+       .id = UCLASS_ETH,
+       .of_match = tsec_ids,
+       .probe = tsec_probe,
+       .remove = tsec_remove,
+       .ops = &tsec_ops,
+       .priv_auto_alloc_size = sizeof(struct tsec_private),
+       .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+       .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+#endif /* CONFIG_DM_ETH */