X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Ftsec.c;h=f2ce4e2a8edb743c0616ea23e4655f983069826d;hb=04735a8fc45ba7c9f5b17d4837a0c649087b29e1;hp=160bc0597d680fee4befaadda1b3412e2093b62b;hpb=1086c5d6f8541460f0f10e4a302d8aac27e0e6e0;p=u-boot diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c index 160bc0597d..f2ce4e2a8e 100644 --- a/drivers/net/tsec.c +++ b/drivers/net/tsec.c @@ -1,52 +1,28 @@ /* * Freescale Three Speed Ethernet Controller driver * - * This software may be used and distributed according to the - * terms of the GNU Public License, Version 2, incorporated - * herein by reference. - * - * Copyright 2004-2011 Freescale Semiconductor, Inc. + * Copyright 2004-2011, 2013 Freescale Semiconductor, Inc. * (C) Copyright 2003, Motorola, Inc. * author Andy Fleming * + * SPDX-License-Identifier: GPL-2.0+ */ #include #include +#include #include #include #include #include #include -#include +#include #include +#include DECLARE_GLOBAL_DATA_PTR; -#define TX_BUF_CNT 2 - -static uint rxIdx; /* index of the current RX buffer */ -static uint txIdx; /* index of the current TX buffer */ - -typedef volatile struct rtxbd { - txbd8_t txbd[TX_BUF_CNT]; - rxbd8_t rxbd[PKTBUFSRX]; -} RTXBD; - -#define MAXCONTROLLERS (8) - -static struct tsec_private *privlist[MAXCONTROLLERS]; -static int num_tsecs = 0; - -#ifdef __GNUC__ -static RTXBD rtx __attribute__ ((aligned(8))); -#else -#error "rtx must be 64-bit aligned" -#endif - -static int tsec_send(struct eth_device *dev, - volatile void *packet, int length); - +#ifndef CONFIG_DM_ETH /* Default initializations for TSEC controllers. */ static struct tsec_info_struct tsec_info[] = { @@ -58,7 +34,7 @@ static struct tsec_info_struct tsec_info[] = { #endif #ifdef CONFIG_MPC85XX_FEC { - .regs = (tsec_t *)(TSEC_BASE_ADDR + 0x2000), + .regs = TSEC_GET_REGS(2, 0x2000), .devname = CONFIG_MPC85XX_FEC_NAME, .phyaddr = FEC_PHY_ADDR, .flags = FEC_FLAGS, @@ -72,6 +48,7 @@ static struct tsec_info_struct tsec_info[] = { STD_TSEC_INFO(4), /* TSEC4 */ #endif }; +#endif /* CONFIG_DM_ETH */ #define TBIANA_SETTINGS ( \ TBIANA_ASYMMETRIC_PAUSE \ @@ -92,8 +69,10 @@ static struct tsec_info_struct tsec_info[] = { /* Configure the TBI for SGMII operation */ static void tsec_configure_serdes(struct tsec_private *priv) { - /* Access TBI PHY registers at given TSEC register offset as opposed - * to the register offset used for external PHY accesses */ + /* + * Access TBI PHY registers at given TSEC register offset as opposed + * 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); tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa), @@ -108,47 +87,52 @@ static void tsec_configure_serdes(struct tsec_private *priv) /* Set the appropriate hash bit for the given addr */ -/* The algorithm works like so: +/* + * The algorithm works like so: * 1) Take the Destination Address (ie the multicast address), and * do a CRC on it (little endian), and reverse the bits of the * result. * 2) Use the 8 most significant bits as a hash into a 256-entry * table. The table is controlled through 8 32-bit registers: - * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is - * gaddr7. This means that the 3 most significant bits in the + * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is entry + * 255. This means that the 3 most significant bits in the * hash index which gaddr register to use, and the 5 other bits * indicate which bit (assuming an IBM numbering scheme, which - * for PowerPC (tm) is usually the case) in the tregister holds - * the entry. */ -static int -tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set) + * 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 = privlist[1]; - volatile tsec_t *regs = priv->regs; - volatile u32 *reg_array, value; - u8 result, whichbit, whichreg; + struct tsec_private *priv = (struct tsec_private *)dev->priv; + struct tsec __iomem *regs = priv->regs; + u32 result, value; + u8 whichbit, whichreg; - result = (u8)((ether_crc(MAC_ADDR_LEN,mcast_mac) >> 24) & 0xff); - whichbit = result & 0x1f; /* the 5 LSB = which bit to set */ - whichreg = result >> 5; /* the 3 MSB = which reg to set it in */ - value = (1 << (31-whichbit)); + result = ether_crc(MAC_ADDR_LEN, mcast_mac); + whichbit = (result >> 24) & 0x1f; /* the 5 LSB = which bit to set */ + whichreg = result >> 29; /* the 3 MSB = which reg to set it in */ - reg_array = &(regs->hash.gaddr0); + value = 1 << (31-whichbit); + + if (set) + setbits_be32(®s->hash.gaddr0 + whichreg, value); + else + clrbits_be32(®s->hash.gaddr0 + whichreg, value); - if (set) { - reg_array[whichreg] |= value; - } else { - reg_array[whichreg] &= ~value; - } return 0; } #endif /* Multicast TFTP ? */ -/* Initialized required registers to appropriate values, zeroing +/* + * Initialized required registers to appropriate values, zeroing * those we don't care about (unless zero is bad, in which case, * choose a more appropriate value) */ -static void init_registers(tsec_t *regs) +static void init_registers(struct tsec __iomem *regs) { /* Clear IEVENT */ out_be32(®s->ievent, IEVENT_INIT_CLEAR); @@ -176,7 +160,7 @@ static void init_registers(tsec_t *regs) out_be32(®s->rctrl, 0x00000000); /* Init RMON mib registers */ - memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t)); + memset((void *)®s->rmon, 0, sizeof(regs->rmon)); out_be32(®s->rmon.cam1, 0xffffffff); out_be32(®s->rmon.cam2, 0xffffffff); @@ -190,12 +174,13 @@ static void init_registers(tsec_t *regs) } -/* Configure maccfg2 based on negotiated speed and duplex +/* + * Configure maccfg2 based on negotiated speed and duplex * reported by PHY handling code */ static void adjust_link(struct tsec_private *priv, struct phy_device *phydev) { - tsec_t *regs = priv->regs; + struct tsec __iomem *regs = priv->regs; u32 ecntrl, maccfg2; if (!phydev->link) { @@ -221,7 +206,8 @@ static void adjust_link(struct tsec_private *priv, struct phy_device *phydev) case 10: maccfg2 |= MACCFG2_MII; - /* Set R100 bit in all modes although + /* + * Set R100 bit in all modes although * it is only used in RGMII mode */ if (phydev->speed == 100) @@ -240,16 +226,175 @@ static void adjust_link(struct tsec_private *priv, struct phy_device *phydev) (phydev->port == PORT_FIBRE) ? ", fiber mode" : ""); } +/* + * This returns the status bits of the device. The return value + * is never checked, and this is what the 8260 driver did, so we + * 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; + int result = 0; + int i; + + /* Find an empty buffer descriptor */ + for (i = 0; + in_be16(&priv->txbd[priv->tx_idx].status) & TXBD_READY; + i++) { + if (i >= TOUT_LOOP) { + debug("%s: tsec: tx buffers full\n", dev->name); + return result; + } + } + + out_be32(&priv->txbd[priv->tx_idx].bufptr, (u32)packet); + out_be16(&priv->txbd[priv->tx_idx].length, length); + status = in_be16(&priv->txbd[priv->tx_idx].status); + out_be16(&priv->txbd[priv->tx_idx].status, status | + (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT)); + + /* Tell the DMA to go */ + out_be32(®s->tstat, TSTAT_CLEAR_THALT); + + /* Wait for buffer to be transmitted */ + for (i = 0; + in_be16(&priv->txbd[priv->tx_idx].status) & TXBD_READY; + i++) { + if (i >= TOUT_LOOP) { + debug("%s: tsec: tx error\n", dev->name); + return result; + } + } + + priv->tx_idx = (priv->tx_idx + 1) % TX_BUF_CNT; + result = in_be16(&priv->txbd[priv->tx_idx].status) & TXBD_STATS; + + return result; +} + +#ifndef CONFIG_DM_ETH +static int tsec_recv(struct eth_device *dev) +{ + struct tsec_private *priv = (struct tsec_private *)dev->priv; + struct tsec __iomem *regs = priv->regs; + + 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); + uchar *packet = net_rx_packets[priv->rx_idx]; + + /* Send the packet up if there were no errors */ + if (!(status & RXBD_STATS)) + net_process_received_packet(packet, length - 4); + else + printf("Got error %x\n", (status & RXBD_STATS)); + + 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; + } + + if (in_be32(®s->ievent) & IEVENT_BSY) { + out_be32(®s->ievent, IEVENT_BSY); + out_be32(®s->rstat, RSTAT_CLEAR_RHALT); + } + + 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); + uint16_t status = in_be16(&priv->rxbd[priv->rx_idx].status); + uint32_t 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(®s->ievent) & IEVENT_BSY) { + out_be32(®s->ievent, IEVENT_BSY); + out_be32(®s->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; + uint16_t 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; + + clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); + setbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); + + while ((in_be32(®s->ievent) & (IEVENT_GRSC | IEVENT_GTSC)) + != (IEVENT_GRSC | IEVENT_GTSC)) + ; + + clrbits_be32(®s->maccfg1, MACCFG1_TX_EN | MACCFG1_RX_EN); + + /* Shut down the PHY, as needed */ + phy_shutdown(priv->phydev); +} + #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129 /* * When MACCFG1[Rx_EN] is enabled during system boot as part * 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; - tsec_t *regs = priv->regs; + struct tsec __iomem *regs = priv->regs; uint t, count = 0; int fail = 1; static const u8 pkt[] = { @@ -282,23 +427,28 @@ void redundant_init(struct eth_device *dev) clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); do { - tsec_send(dev, (void *)pkt, sizeof(pkt)); + uint16_t status; + tsec_send(priv->dev, (void *)pkt, sizeof(pkt)); /* Wait for buffer to be received */ - for (t = 0; rtx.rxbd[rxIdx].status & RXBD_EMPTY; t++) { + 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; } } - if (!memcmp(pkt, (void *)NetRxPackets[rxIdx], sizeof(pkt))) + if (!memcmp(pkt, net_rx_packets[priv->rx_idx], sizeof(pkt))) fail = 0; - rtx.rxbd[rxIdx].length = 0; - rtx.rxbd[rxIdx].status = - RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0); - rxIdx = (rxIdx + 1) % PKTBUFSRX; + out_be16(&priv->rxbd[priv->rx_idx].length, 0); + status = RXBD_EMPTY; + 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; if (in_be32(®s->ievent) & IEVENT_BSY) { out_be32(®s->ievent, IEVENT_BSY); @@ -321,46 +471,49 @@ void redundant_init(struct eth_device *dev) } #endif -/* Set up the buffers and their descriptors, and bring up the +/* + * 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 __iomem *regs = priv->regs; + uint16_t status; int i; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; /* reset the indices to zero */ - rxIdx = 0; - txIdx = 0; + priv->rx_idx = 0; + priv->tx_idx = 0; #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129 uint svr; #endif /* Point to the buffer descriptors */ - out_be32(®s->tbase, (unsigned int)(&rtx.txbd[txIdx])); - out_be32(®s->rbase, (unsigned int)(&rtx.rxbd[rxIdx])); + out_be32(®s->tbase, (u32)&priv->txbd[0]); + out_be32(®s->rbase, (u32)&priv->rxbd[0]); /* Initialize the Rx Buffer descriptors */ for (i = 0; i < PKTBUFSRX; i++) { - rtx.rxbd[i].status = RXBD_EMPTY; - rtx.rxbd[i].length = 0; - rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i]; + out_be16(&priv->rxbd[i].status, RXBD_EMPTY); + out_be16(&priv->rxbd[i].length, 0); + out_be32(&priv->rxbd[i].bufptr, (u32)net_rx_packets[i]); } - rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP; + status = in_be16(&priv->rxbd[PKTBUFSRX - 1].status); + out_be16(&priv->rxbd[PKTBUFSRX - 1].status, status | RXBD_WRAP); /* Initialize the TX Buffer Descriptors */ for (i = 0; i < TX_BUF_CNT; i++) { - rtx.txbd[i].status = 0; - rtx.txbd[i].length = 0; - rtx.txbd[i].bufPtr = 0; + out_be16(&priv->txbd[i].status, 0); + out_be16(&priv->txbd[i].length, 0); + out_be32(&priv->txbd[i].bufptr, 0); } - rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP; + status = in_be16(&priv->txbd[TX_BUF_CNT - 1].status); + out_be16(&priv->txbd[TX_BUF_CNT - 1].status, status | TXBD_WRAP); #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(®s->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN); @@ -372,115 +525,25 @@ static void startup_tsec(struct eth_device *dev) clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); } -/* This returns the status bits of the device. The return value - * is never checked, and this is what the 8260 driver did, so we - * do the same. Presumably, this would be zero if there were no - * errors - */ -static int tsec_send(struct eth_device *dev, volatile void *packet, int length) -{ - int i; - int result = 0; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - - /* Find an empty buffer descriptor */ - for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) { - if (i >= TOUT_LOOP) { - debug("%s: tsec: tx buffers full\n", dev->name); - return result; - } - } - - rtx.txbd[txIdx].bufPtr = (uint) packet; - rtx.txbd[txIdx].length = length; - rtx.txbd[txIdx].status |= - (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT); - - /* Tell the DMA to go */ - out_be32(®s->tstat, TSTAT_CLEAR_THALT); - - /* Wait for buffer to be transmitted */ - for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) { - if (i >= TOUT_LOOP) { - debug("%s: tsec: tx error\n", dev->name); - return result; - } - } - - txIdx = (txIdx + 1) % TX_BUF_CNT; - result = rtx.txbd[txIdx].status & TXBD_STATS; - - return result; -} - -static int tsec_recv(struct eth_device *dev) -{ - int length; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - - while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) { - - length = rtx.rxbd[rxIdx].length; - - /* Send the packet up if there were no errors */ - if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) { - NetReceive(NetRxPackets[rxIdx], length - 4); - } else { - printf("Got error %x\n", - (rtx.rxbd[rxIdx].status & RXBD_STATS)); - } - - rtx.rxbd[rxIdx].length = 0; - - /* Set the wrap bit if this is the last element in the list */ - rtx.rxbd[rxIdx].status = - RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0); - - rxIdx = (rxIdx + 1) % PKTBUFSRX; - } - - if (in_be32(®s->ievent) & IEVENT_BSY) { - out_be32(®s->ievent, IEVENT_BSY); - out_be32(®s->rstat, RSTAT_CLEAR_RHALT); - } - - return -1; - -} - -/* Stop the interface */ -static void tsec_halt(struct eth_device *dev) -{ - struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; - - clrbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); - setbits_be32(®s->dmactrl, DMACTRL_GRS | DMACTRL_GTS); - - while ((in_be32(®s->ievent) & (IEVENT_GRSC | IEVENT_GTSC)) - != (IEVENT_GRSC | IEVENT_GTSC)) - ; - - clrbits_be32(®s->maccfg1, MACCFG1_TX_EN | MACCFG1_RX_EN); - - /* Shut down the PHY, as needed */ - phy_shutdown(priv->phydev); -} - -/* Initializes data structures and registers for the controller, - * and brings the interface up. Returns the link status, meaning +/* + * Initializes data structures and registers for the controller, + * and brings the interface up. Returns the link status, meaning * that it returns success if the link is up, failure otherwise. - * This allows u-boot to find the first active controller. + * This allows U-Boot to find the first active controller. */ +#ifndef CONFIG_DM_ETH static int tsec_init(struct eth_device *dev, bd_t * bd) +#else +static int tsec_init(struct udevice *dev) +#endif { - uint tempval; - char tmpbuf[MAC_ADDR_LEN]; - int i; struct tsec_private *priv = (struct tsec_private *)dev->priv; - tsec_t *regs = priv->regs; +#ifdef CONFIG_DM_ETH + struct eth_pdata *pdata = dev_get_platdata(dev); +#endif + struct tsec __iomem *regs = priv->regs; + u32 tempval; + int ret; /* Make sure the controller is stopped */ tsec_halt(dev); @@ -491,17 +554,27 @@ static int tsec_init(struct eth_device *dev, bd_t * bd) /* Init ECNTRL */ out_be32(®s->ecntrl, ECNTRL_INIT_SETTINGS); - /* Copy the station address into the address registers. - * Backwards, because little endian MACS are dumb */ - for (i = 0; i < MAC_ADDR_LEN; i++) - tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i]; - - tempval = (tmpbuf[0] << 24) | (tmpbuf[1] << 16) | (tmpbuf[2] << 8) | - tmpbuf[3]; + /* + * Copy the station address into the address registers. + * For a station address of 0x12345678ABCD in transmission + * 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(®s->macstnaddr1, tempval); - tempval = *((uint *) (tmpbuf + 4)); +#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(®s->macstnaddr2, tempval); @@ -509,10 +582,15 @@ 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 */ - phy_startup(priv->phydev); + ret = phy_startup(priv->phydev); + if (ret) { + printf("Could not initialize PHY %s\n", + priv->phydev->dev->name); + return ret; + } adjust_link(priv, priv->phydev); @@ -522,7 +600,7 @@ static int tsec_init(struct eth_device *dev, bd_t * bd) static phy_interface_t tsec_get_interface(struct tsec_private *priv) { - tsec_t *regs = priv->regs; + struct tsec __iomem *regs = priv->regs; u32 ecntrl; ecntrl = in_be32(®s->ecntrl); @@ -548,8 +626,8 @@ static phy_interface_t tsec_get_interface(struct tsec_private *priv) * 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)) + (interface == PHY_INTERFACE_MODE_RGMII_TXID) || + (interface == PHY_INTERFACE_MODE_RGMII_RXID)) return interface; return PHY_INTERFACE_MODE_RGMII; @@ -562,16 +640,15 @@ static phy_interface_t tsec_get_interface(struct tsec_private *priv) return PHY_INTERFACE_MODE_MII; } - -/* Discover which PHY is attached to the device, and configure it +/* + * Discover which PHY is attached to the device, and configure it * 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; - tsec_t *regs = priv->regs; + struct tsec __iomem *regs = priv->regs; u32 supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | @@ -581,14 +658,17 @@ static int init_phy(struct eth_device *dev) supported |= SUPPORTED_1000baseT_Full; /* Assign a Physical address to the TBI */ - out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE); + out_be32(®s->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; phydev->supported &= supported; phydev->advertising = phydev->supported; @@ -600,7 +680,9 @@ static int init_phy(struct eth_device *dev) return 1; } -/* Initialize device structure. Returns success if PHY +#ifndef CONFIG_DM_ETH +/* + * Initialize device structure. Returns success if PHY * initialization succeeded (i.e. if it recognizes the PHY) */ static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info) @@ -621,16 +703,17 @@ static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info) if (NULL == priv) return 0; - privlist[num_tsecs++] = priv; 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; @@ -641,7 +724,7 @@ static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info) dev->mcast = tsec_mcast_addr; #endif - /* Tell u-boot to get the addr from the env */ + /* Tell U-Boot to get the addr from the env */ for (i = 0; i < 6; i++) dev->enetaddr[i] = 0; @@ -653,7 +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); } /* @@ -679,10 +762,125 @@ int tsec_standard_init(bd_t *bis) { struct fsl_pq_mdio_info info; - info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; + info.regs = TSEC_GET_MDIO_REGS_BASE(1); info.name = DEFAULT_MII_NAME; fsl_pq_mdio_init(bis, &info); 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; + int offset = 0; + int reg; + const char *phy_mode; + int ret; + + pdata->iobase = (phys_addr_t)dev_get_addr(dev); + priv->regs = (struct tsec *)pdata->iobase; + + offset = fdtdec_lookup_phandle(gd->fdt_blob, dev_of_offset(dev), + "phy-handle"); + if (offset > 0) { + reg = fdtdec_get_int(gd->fdt_blob, offset, "reg", 0); + priv->phyaddr = reg; + } else { + debug("phy-handle does not exist under tsec %s\n", dev->name); + return -ENOENT; + } + + offset = fdt_parent_offset(gd->fdt_blob, offset); + if (offset > 0) { + reg = fdtdec_get_int(gd->fdt_blob, offset, "reg", 0); + priv->phyregs_sgmii = (struct tsec_mii_mng *)(reg + 0x520); + } else { + debug("No parent node for PHY?\n"); + return -ENOENT; + } + + offset = fdtdec_lookup_phandle(gd->fdt_blob, dev_of_offset(dev), + "tbi-handle"); + if (offset > 0) { + reg = fdtdec_get_int(gd->fdt_blob, offset, "reg", + CONFIG_SYS_TBIPA_VALUE); + priv->tbiaddr = reg; + } else { + priv->tbiaddr = CONFIG_SYS_TBIPA_VALUE; + } + + phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(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 */