X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fnet%2Ffm%2Feth.c;h=c23e0c07702fd7a4f1ed16c8ae26a18e462b1d98;hb=6cc04547cb3bbd3a3d78947f200acbae19e3c67f;hp=1d1089d0173df0c25697044d159e5c5d23afac2b;hpb=3b95288a2ae8146ca4915250f815c1218b1706fa;p=platform%2Fkernel%2Fu-boot.git diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c index 1d1089d..c23e0c0 100644 --- a/drivers/net/fm/eth.c +++ b/drivers/net/fm/eth.c @@ -1,11 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2009-2012 Freescale Semiconductor, Inc. + * Copyright 2020 NXP * Dave Liu - * - * SPDX-License-Identifier: GPL-2.0+ */ #include +#include +#include #include +#ifdef CONFIG_DM_ETH +#include +#include +#include +#include +#endif #include #include #include @@ -13,14 +21,17 @@ #include #include #include -#include -#include -#include +#include +#include +#include +#include #include "fm.h" +#ifndef CONFIG_DM_ETH static struct eth_device *devlist[NUM_FM_PORTS]; static int num_controllers; +#endif #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII) @@ -38,31 +49,62 @@ static void dtsec_configure_serdes(struct fm_eth *priv) #ifdef CONFIG_SYS_FMAN_V3 u32 value; struct mii_dev bus; - bus.priv = priv->mac->phyregs; bool sgmii_2500 = (priv->enet_if == - PHY_INTERFACE_MODE_SGMII_2500) ? true : false; + PHY_INTERFACE_MODE_2500BASEX) ? true : false; + int i = 0, j; + +#ifndef CONFIG_DM_ETH + bus.priv = priv->mac->phyregs; +#else + bus.priv = priv->pcs_mdio; + bus.read = memac_mdio_read; + bus.write = memac_mdio_write; + bus.reset = memac_mdio_reset; +#endif +qsgmii_loop: /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */ - value = PHY_SGMII_IF_MODE_SGMII; - if (!sgmii_2500) - value |= PHY_SGMII_IF_MODE_AN; + if (sgmii_2500) + value = PHY_SGMII_CR_PHY_RESET | + PHY_SGMII_IF_SPEED_GIGABIT | + PHY_SGMII_IF_MODE_SGMII; + else + value = PHY_SGMII_IF_MODE_SGMII | PHY_SGMII_IF_MODE_AN; + + for (j = 0; j <= 3; j++) + debug("dump PCS reg %#x: %#x\n", j, + memac_mdio_read(&bus, i, MDIO_DEVAD_NONE, j)); - memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value); + memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x14, value); /* Dev ability according to SGMII specification */ value = PHY_SGMII_DEV_ABILITY_SGMII; - memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x4, value); + memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x4, value); - /* Adjust link timer for SGMII - - 1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40 */ - memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x13, 0x3); - memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40); + if (sgmii_2500) { + /* Adjust link timer for 2.5G SGMII, + * 1.6 ms in units of 3.2 ns: + * 1.6ms / 3.2ns = 5 * 10^5 = 0x7a120. + */ + memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x0007); + memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0xa120); + } else { + /* Adjust link timer for SGMII, + * 1.6 ms in units of 8 ns: + * 1.6ms / 8ns = 2 * 10^5 = 0x30d40. + */ + memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x0003); + memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0x0d40); + } /* Restart AN */ - value = PHY_SGMII_CR_DEF_VAL; - if (!sgmii_2500) - value |= PHY_SGMII_CR_RESET_AN; - memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value); + value = PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN; + memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0, value); + + if ((priv->enet_if == PHY_INTERFACE_MODE_QSGMII) && (i < 3)) { + i++; + goto qsgmii_loop; + } #else struct dtsec *regs = priv->mac->base; struct tsec_mii_mng *phyregs = priv->mac->phyregs; @@ -80,24 +122,25 @@ static void dtsec_configure_serdes(struct fm_eth *priv) #endif } -static void dtsec_init_phy(struct eth_device *dev) +static void dtsec_init_phy(struct fm_eth *fm_eth) { - struct fm_eth *fm_eth = dev->priv; #ifndef CONFIG_SYS_FMAN_V3 - struct dtsec *regs = (struct dtsec *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR; + struct dtsec *regs = (struct dtsec *)CFG_SYS_FSL_FM1_DTSEC1_ADDR; /* Assign a Physical address to the TBI */ out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE); #endif if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII || - fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500) + fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII || + fm_eth->enet_if == PHY_INTERFACE_MODE_2500BASEX) dtsec_configure_serdes(fm_eth); } -static int tgec_is_fibre(struct eth_device *dev) +#ifndef CONFIG_DM_ETH +#ifdef CONFIG_PHYLIB +static int tgec_is_fibre(struct fm_eth *fm) { - struct fm_eth *fm = dev->priv; char phyopt[20]; sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1); @@ -105,15 +148,17 @@ static int tgec_is_fibre(struct eth_device *dev) return hwconfig_arg_cmp(phyopt, "xfi"); } #endif +#endif /* CONFIG_DM_ETH */ +#endif static u16 muram_readw(u16 *addr) { - u32 base = (u32)addr & ~0x3; - u32 val32 = *(u32 *)base; + ulong base = (ulong)addr & ~0x3UL; + u32 val32 = in_be32((void *)base); int byte_pos; u16 ret; - byte_pos = (u32)addr & 0x3; + byte_pos = (ulong)addr & 0x3UL; if (byte_pos) ret = (u16)(val32 & 0x0000ffff); else @@ -124,18 +169,18 @@ static u16 muram_readw(u16 *addr) static void muram_writew(u16 *addr, u16 val) { - u32 base = (u32)addr & ~0x3; - u32 org32 = *(u32 *)base; + ulong base = (ulong)addr & ~0x3UL; + u32 org32 = in_be32((void *)base); u32 val32; int byte_pos; - byte_pos = (u32)addr & 0x3; + byte_pos = (ulong)addr & 0x3UL; if (byte_pos) val32 = (org32 & 0xffff0000) | val; else val32 = (org32 & 0x0000ffff) | ((u32)val << 16); - *(u32 *)base = val32; + out_be32((void *)base, val32); } static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port) @@ -147,6 +192,8 @@ static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port) /* wait until the rx port is not busy */ while ((in_be32(&rx_port->fmbm_rst) & FMBM_RST_BSY) && timeout--) ; + if (!timeout) + printf("%s - timeout\n", __func__); } static void bmi_rx_port_init(struct fm_bmi_rx_port *rx_port) @@ -175,6 +222,8 @@ static void bmi_tx_port_disable(struct fm_bmi_tx_port *tx_port) /* wait until the tx port is not busy */ while ((in_be32(&tx_port->fmbm_tst) & FMBM_TST_BSY) && timeout--) ; + if (!timeout) + printf("%s - timeout\n", __func__); } static void bmi_tx_port_init(struct fm_bmi_tx_port *tx_port) @@ -199,6 +248,8 @@ static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth) u32 pram_page_offset; void *rx_bd_ring_base; void *rx_buf_pool; + u32 bd_ring_base_lo, bd_ring_base_hi; + u32 buf_lo, buf_hi; struct fm_port_bd *rxbd; struct fm_port_qd *rxqd; struct fm_bmi_rx_port *bmi_rx_port = fm_eth->rx_port; @@ -207,16 +258,21 @@ static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth) /* alloc global parameter ram at MURAM */ pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index, FM_PRAM_SIZE, FM_PRAM_ALIGN); + if (!pram) { + printf("%s: No muram for Rx global parameter\n", __func__); + return -ENOMEM; + } + fm_eth->rx_pram = pram; /* parameter page offset to MURAM */ - pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index); + pram_page_offset = (void *)pram - fm_muram_base(fm_eth->fm_index); /* enable global mode- snooping data buffers and BDs */ - pram->mode = PRAM_MODE_GLOBAL; + out_be32(&pram->mode, PRAM_MODE_GLOBAL); /* init the Rx queue descriptor pionter */ - pram->rxqd_ptr = pram_page_offset + 0x20; + out_be32(&pram->rxqd_ptr, pram_page_offset + 0x20); /* set the max receive buffer length, power of 2 */ muram_writew(&pram->mrblr, MAX_RXBUF_LOG2); @@ -225,15 +281,20 @@ static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth) rx_bd_ring_base = malloc(sizeof(struct fm_port_bd) * RX_BD_RING_SIZE); if (!rx_bd_ring_base) - return 0; + return -ENOMEM; + memset(rx_bd_ring_base, 0, sizeof(struct fm_port_bd) * RX_BD_RING_SIZE); /* alloc Rx buffer from main memory */ rx_buf_pool = malloc(MAX_RXBUF_LEN * RX_BD_RING_SIZE); - if (!rx_buf_pool) - return 0; + if (!rx_buf_pool) { + free(rx_bd_ring_base); + return -ENOMEM; + } + memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE); + debug("%s: rx_buf_pool = %p\n", __func__, rx_buf_pool); /* save them to fm_eth */ fm_eth->rx_bd_ring = rx_bd_ring_base; @@ -243,18 +304,24 @@ static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth) /* init Rx BDs ring */ rxbd = (struct fm_port_bd *)rx_bd_ring_base; for (i = 0; i < RX_BD_RING_SIZE; i++) { - rxbd->status = RxBD_EMPTY; - rxbd->len = 0; - rxbd->buf_ptr_hi = 0; - rxbd->buf_ptr_lo = (u32)rx_buf_pool + i * MAX_RXBUF_LEN; + muram_writew(&rxbd->status, RxBD_EMPTY); + muram_writew(&rxbd->len, 0); + buf_hi = upper_32_bits(virt_to_phys(rx_buf_pool + + i * MAX_RXBUF_LEN)); + buf_lo = lower_32_bits(virt_to_phys(rx_buf_pool + + i * MAX_RXBUF_LEN)); + muram_writew(&rxbd->buf_ptr_hi, (u16)buf_hi); + out_be32(&rxbd->buf_ptr_lo, buf_lo); rxbd++; } /* set the Rx queue descriptor */ rxqd = &pram->rxqd; muram_writew(&rxqd->gen, 0); - muram_writew(&rxqd->bd_ring_base_hi, 0); - rxqd->bd_ring_base_lo = (u32)rx_bd_ring_base; + bd_ring_base_hi = upper_32_bits(virt_to_phys(rx_bd_ring_base)); + bd_ring_base_lo = lower_32_bits(virt_to_phys(rx_bd_ring_base)); + muram_writew(&rxqd->bd_ring_base_hi, (u16)bd_ring_base_hi); + out_be32(&rxqd->bd_ring_base_lo, bd_ring_base_lo); muram_writew(&rxqd->bd_ring_size, sizeof(struct fm_port_bd) * RX_BD_RING_SIZE); muram_writew(&rxqd->offset_in, 0); @@ -263,7 +330,7 @@ static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth) /* set IM parameter ram pointer to Rx Frame Queue ID */ out_be32(&bmi_rx_port->fmbm_rfqid, pram_page_offset); - return 1; + return 0; } static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth) @@ -271,6 +338,7 @@ static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth) struct fm_port_global_pram *pram; u32 pram_page_offset; void *tx_bd_ring_base; + u32 bd_ring_base_lo, bd_ring_base_hi; struct fm_port_bd *txbd; struct fm_port_qd *txqd; struct fm_bmi_tx_port *bmi_tx_port = fm_eth->tx_port; @@ -279,22 +347,27 @@ static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth) /* alloc global parameter ram at MURAM */ pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index, FM_PRAM_SIZE, FM_PRAM_ALIGN); + if (!pram) { + printf("%s: No muram for Tx global parameter\n", __func__); + return -ENOMEM; + } fm_eth->tx_pram = pram; /* parameter page offset to MURAM */ - pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index); + pram_page_offset = (void *)pram - fm_muram_base(fm_eth->fm_index); /* enable global mode- snooping data buffers and BDs */ - pram->mode = PRAM_MODE_GLOBAL; + out_be32(&pram->mode, PRAM_MODE_GLOBAL); /* init the Tx queue descriptor pionter */ - pram->txqd_ptr = pram_page_offset + 0x40; + out_be32(&pram->txqd_ptr, pram_page_offset + 0x40); /* alloc Tx buffer descriptors from main memory */ tx_bd_ring_base = malloc(sizeof(struct fm_port_bd) * TX_BD_RING_SIZE); if (!tx_bd_ring_base) - return 0; + return -ENOMEM; + memset(tx_bd_ring_base, 0, sizeof(struct fm_port_bd) * TX_BD_RING_SIZE); /* save it to fm_eth */ @@ -304,16 +377,19 @@ static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth) /* init Tx BDs ring */ txbd = (struct fm_port_bd *)tx_bd_ring_base; for (i = 0; i < TX_BD_RING_SIZE; i++) { - txbd->status = TxBD_LAST; - txbd->len = 0; - txbd->buf_ptr_hi = 0; - txbd->buf_ptr_lo = 0; + muram_writew(&txbd->status, TxBD_LAST); + muram_writew(&txbd->len, 0); + muram_writew(&txbd->buf_ptr_hi, 0); + out_be32(&txbd->buf_ptr_lo, 0); + txbd++; } /* set the Tx queue decriptor */ txqd = &pram->txqd; - muram_writew(&txqd->bd_ring_base_hi, 0); - txqd->bd_ring_base_lo = (u32)tx_bd_ring_base; + bd_ring_base_hi = upper_32_bits(virt_to_phys(tx_bd_ring_base)); + bd_ring_base_lo = lower_32_bits(virt_to_phys(tx_bd_ring_base)); + muram_writew(&txqd->bd_ring_base_hi, (u16)bd_ring_base_hi); + out_be32(&txqd->bd_ring_base_lo, bd_ring_base_lo); muram_writew(&txqd->bd_ring_size, sizeof(struct fm_port_bd) * TX_BD_RING_SIZE); muram_writew(&txqd->offset_in, 0); @@ -322,34 +398,41 @@ static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth) /* set IM parameter ram pointer to Tx Confirmation Frame Queue ID */ out_be32(&bmi_tx_port->fmbm_tcfqid, pram_page_offset); - return 1; + return 0; } static int fm_eth_init(struct fm_eth *fm_eth) { + int ret; - if (!fm_eth_rx_port_parameter_init(fm_eth)) - return 0; + ret = fm_eth_rx_port_parameter_init(fm_eth); + if (ret) + return ret; - if (!fm_eth_tx_port_parameter_init(fm_eth)) - return 0; + ret = fm_eth_tx_port_parameter_init(fm_eth); + if (ret) + return ret; - return 1; + return 0; } static int fm_eth_startup(struct fm_eth *fm_eth) { struct fsl_enet_mac *mac; + int ret; + mac = fm_eth->mac; /* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */ - if (!fm_eth_init(fm_eth)) - return 0; + ret = fm_eth_init(fm_eth); + if (ret) + return ret; /* setup the MAC controller */ mac->init_mac(mac); /* For some reason we need to set SPEED_100 */ if (((fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) || + (fm_eth->enet_if == PHY_INTERFACE_MODE_2500BASEX) || (fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII)) && mac->set_if_mode) mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100); @@ -359,7 +442,7 @@ static int fm_eth_startup(struct fm_eth *fm_eth) /* init bmi tx port, IM mode and disable */ bmi_tx_port_init(fm_eth->tx_port); - return 1; + return 0; } static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth) @@ -368,7 +451,7 @@ static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth) pram = fm_eth->tx_pram; /* graceful stop transmission of frames */ - pram->mode |= PRAM_MODE_GRACEFUL_STOP; + setbits_be32(&pram->mode, PRAM_MODE_GRACEFUL_STOP); sync(); } @@ -378,27 +461,43 @@ static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth) pram = fm_eth->tx_pram; /* re-enable transmission of frames */ - pram->mode &= ~PRAM_MODE_GRACEFUL_STOP; + clrbits_be32(&pram->mode, PRAM_MODE_GRACEFUL_STOP); sync(); } -static int fm_eth_open(struct eth_device *dev, bd_t *bd) +#ifndef CONFIG_DM_ETH +static int fm_eth_open(struct eth_device *dev, struct bd_info *bd) +#else +static int fm_eth_open(struct udevice *dev) +#endif { - struct fm_eth *fm_eth; +#ifndef CONFIG_DM_ETH + struct fm_eth *fm_eth = dev->priv; +#else + struct eth_pdata *pdata = dev_get_plat(dev); + struct fm_eth *fm_eth = dev_get_priv(dev); +#endif + unsigned char *enetaddr; struct fsl_enet_mac *mac; #ifdef CONFIG_PHYLIB int ret; #endif - fm_eth = (struct fm_eth *)dev->priv; mac = fm_eth->mac; +#ifndef CONFIG_DM_ETH + enetaddr = &dev->enetaddr[0]; +#else + enetaddr = pdata->enetaddr; +#endif + /* setup the MAC address */ - if (dev->enetaddr[0] & 0x01) { - printf("%s: MacAddress is multcast address\n", __func__); - return 1; + if (enetaddr[0] & 0x01) { + printf("%s: MacAddress is multicast address\n", __func__); + enetaddr[0] = 0; + enetaddr[5] = fm_eth->num; } - mac->set_mac_addr(mac, dev->enetaddr); + mac->set_mac_addr(mac, enetaddr); /* enable bmi Rx port */ setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN); @@ -413,8 +512,12 @@ static int fm_eth_open(struct eth_device *dev, bd_t *bd) if (fm_eth->phydev) { ret = phy_startup(fm_eth->phydev); if (ret) { +#ifndef CONFIG_DM_ETH printf("%s: Could not initialize\n", fm_eth->phydev->dev->name); +#else + printf("%s: Could not initialize\n", dev->name); +#endif return ret; } } else { @@ -428,6 +531,8 @@ static int fm_eth_open(struct eth_device *dev, bd_t *bd) /* set the MAC-PHY mode */ mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed); + debug("MAC IF mode %d, speed %d, link %d\n", fm_eth->enet_if, + fm_eth->phydev->speed, fm_eth->phydev->link); if (!fm_eth->phydev->link) printf("%s: No link.\n", fm_eth->phydev->dev->name); @@ -435,12 +540,20 @@ static int fm_eth_open(struct eth_device *dev, bd_t *bd) return fm_eth->phydev->link ? 0 : -1; } +#ifndef CONFIG_DM_ETH static void fm_eth_halt(struct eth_device *dev) +#else +static void fm_eth_halt(struct udevice *dev) +#endif { struct fm_eth *fm_eth; struct fsl_enet_mac *mac; +#ifndef CONFIG_DM_ETH fm_eth = (struct fm_eth *)dev->priv; +#else + fm_eth = dev_get_priv(dev); +#endif mac = fm_eth->mac; /* graceful stop the transmission of frames */ @@ -452,11 +565,17 @@ static void fm_eth_halt(struct eth_device *dev) /* disable bmi Rx port */ bmi_rx_port_disable(fm_eth->rx_port); +#ifdef CONFIG_PHYLIB if (fm_eth->phydev) phy_shutdown(fm_eth->phydev); +#endif } +#ifndef CONFIG_DM_ETH static int fm_eth_send(struct eth_device *dev, void *buf, int len) +#else +static int fm_eth_send(struct udevice *dev, void *buf, int len) +#endif { struct fm_eth *fm_eth; struct fm_port_global_pram *pram; @@ -464,24 +583,29 @@ static int fm_eth_send(struct eth_device *dev, void *buf, int len) u16 offset_in; int i; +#ifndef CONFIG_DM_ETH fm_eth = (struct fm_eth *)dev->priv; +#else + fm_eth = dev_get_priv(dev); +#endif pram = fm_eth->tx_pram; txbd = fm_eth->cur_txbd; /* find one empty TxBD */ - for (i = 0; txbd->status & TxBD_READY; i++) { + for (i = 0; muram_readw(&txbd->status) & TxBD_READY; i++) { udelay(100); if (i > 0x1000) { - printf("%s: Tx buffer not ready\n", dev->name); + printf("%s: Tx buffer not ready, txbd->status = 0x%x\n", + dev->name, muram_readw(&txbd->status)); return 0; } } /* setup TxBD */ - txbd->buf_ptr_hi = 0; - txbd->buf_ptr_lo = (u32)buf; - txbd->len = len; + muram_writew(&txbd->buf_ptr_hi, (u16)upper_32_bits(virt_to_phys(buf))); + out_be32(&txbd->buf_ptr_lo, lower_32_bits(virt_to_phys(buf))); + muram_writew(&txbd->len, len); sync(); - txbd->status = TxBD_READY | TxBD_LAST; + muram_writew(&txbd->status, TxBD_READY | TxBD_LAST); sync(); /* update TxQD, let RISC to send the packet */ @@ -493,10 +617,11 @@ static int fm_eth_send(struct eth_device *dev, void *buf, int len) sync(); /* wait for buffer to be transmitted */ - for (i = 0; txbd->status & TxBD_READY; i++) { + for (i = 0; muram_readw(&txbd->status) & TxBD_READY; i++) { udelay(100); if (i > 0x10000) { - printf("%s: Tx error\n", dev->name); + printf("%s: Tx error, txbd->status = 0x%x\n", + dev->name, muram_readw(&txbd->status)); return 0; } } @@ -512,56 +637,98 @@ static int fm_eth_send(struct eth_device *dev, void *buf, int len) return 1; } +static struct fm_port_bd *fm_eth_free_one(struct fm_eth *fm_eth, + struct fm_port_bd *rxbd) +{ + struct fm_port_global_pram *pram; + struct fm_port_bd *rxbd_base; + u16 offset_out; + + pram = fm_eth->rx_pram; + + /* clear the RxBDs */ + muram_writew(&rxbd->status, RxBD_EMPTY); + muram_writew(&rxbd->len, 0); + sync(); + + /* advance RxBD */ + rxbd++; + rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring; + if (rxbd >= (rxbd_base + RX_BD_RING_SIZE)) + rxbd = rxbd_base; + + /* update RxQD */ + offset_out = muram_readw(&pram->rxqd.offset_out); + offset_out += sizeof(struct fm_port_bd); + if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size)) + offset_out = 0; + muram_writew(&pram->rxqd.offset_out, offset_out); + sync(); + + return rxbd; +} + +#ifndef CONFIG_DM_ETH static int fm_eth_recv(struct eth_device *dev) +#else +static int fm_eth_recv(struct udevice *dev, int flags, uchar **packetp) +#endif { struct fm_eth *fm_eth; - struct fm_port_global_pram *pram; - struct fm_port_bd *rxbd, *rxbd_base; + struct fm_port_bd *rxbd; + u32 buf_lo, buf_hi; u16 status, len; + int ret = -1; u8 *data; - u16 offset_out; +#ifndef CONFIG_DM_ETH fm_eth = (struct fm_eth *)dev->priv; - pram = fm_eth->rx_pram; +#else + fm_eth = dev_get_priv(dev); +#endif rxbd = fm_eth->cur_rxbd; - status = rxbd->status; + status = muram_readw(&rxbd->status); while (!(status & RxBD_EMPTY)) { if (!(status & RxBD_ERROR)) { - data = (u8 *)rxbd->buf_ptr_lo; - len = rxbd->len; - NetReceive(data, len); + buf_hi = muram_readw(&rxbd->buf_ptr_hi); + buf_lo = in_be32(&rxbd->buf_ptr_lo); + data = (u8 *)((ulong)(buf_hi << 16) << 16 | buf_lo); + len = muram_readw(&rxbd->len); +#ifndef CONFIG_DM_ETH + net_process_received_packet(data, len); +#else + *packetp = data; + return len; +#endif } else { printf("%s: Rx error\n", dev->name); - return 0; + ret = 0; } - /* clear the RxBDs */ - rxbd->status = RxBD_EMPTY; - rxbd->len = 0; - sync(); + /* free current bd, advance to next one */ + rxbd = fm_eth_free_one(fm_eth, rxbd); - /* advance RxBD */ - rxbd++; - rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring; - if (rxbd >= (rxbd_base + RX_BD_RING_SIZE)) - rxbd = rxbd_base; /* read next status */ - status = rxbd->status; - - /* update RxQD */ - offset_out = muram_readw(&pram->rxqd.offset_out); - offset_out += sizeof(struct fm_port_bd); - if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size)) - offset_out = 0; - muram_writew(&pram->rxqd.offset_out, offset_out); - sync(); + status = muram_readw(&rxbd->status); } fm_eth->cur_rxbd = (void *)rxbd; - return 1; + return ret; +} + +#ifdef CONFIG_DM_ETH +static int fm_eth_free_pkt(struct udevice *dev, uchar *packet, int length) +{ + struct fm_eth *fm_eth = (struct fm_eth *)dev_get_priv(dev); + + fm_eth->cur_rxbd = fm_eth_free_one(fm_eth, fm_eth->cur_rxbd); + + return 0; } +#endif /* CONFIG_DM_ETH */ +#ifndef CONFIG_DM_ETH static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg) { struct fsl_enet_mac *mac; @@ -600,7 +767,7 @@ static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg) /* alloc mac controller */ mac = malloc(sizeof(struct fsl_enet_mac)); if (!mac) - return 0; + return -ENOMEM; memset(mac, 0, sizeof(struct fsl_enet_mac)); /* save the mac to fm_eth struct */ @@ -615,22 +782,77 @@ static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg) init_tgec(mac, base, phyregs, MAX_RXBUF_LEN); #endif - return 1; + return 0; +} +#else /* CONFIG_DM_ETH */ +static int fm_eth_init_mac(struct fm_eth *fm_eth, void *reg) +{ +#ifndef CONFIG_SYS_FMAN_V3 + void *mdio; +#endif + + fm_eth->mac = kzalloc(sizeof(*fm_eth->mac), GFP_KERNEL); + if (!fm_eth->mac) + return -ENOMEM; + +#ifndef CONFIG_SYS_FMAN_V3 + mdio = fman_mdio(fm_eth->dev->parent, fm_eth->mac_type, fm_eth->num); + debug("MDIO %d @ %p\n", fm_eth->num, mdio); +#endif + + switch (fm_eth->mac_type) { +#ifdef CONFIG_SYS_FMAN_V3 + case FM_MEMAC: + init_memac(fm_eth->mac, reg, NULL, MAX_RXBUF_LEN); + break; +#else + case FM_DTSEC: + init_dtsec(fm_eth->mac, reg, mdio, MAX_RXBUF_LEN); + break; + case FM_TGEC: + init_tgec(fm_eth->mac, reg, mdio, MAX_RXBUF_LEN); + break; +#endif + } + + return 0; } +#endif /* CONFIG_DM_ETH */ -static int init_phy(struct eth_device *dev) +static int init_phy(struct fm_eth *fm_eth) { - struct fm_eth *fm_eth = dev->priv; +#ifdef CONFIG_PHYLIB + u32 supported = PHY_GBIT_FEATURES; +#ifndef CONFIG_DM_ETH struct phy_device *phydev = NULL; - u32 supported; +#endif + + if (fm_eth->type == FM_ETH_10G_E) + supported = PHY_10G_FEATURES; + if (fm_eth->enet_if == PHY_INTERFACE_MODE_2500BASEX) + supported |= SUPPORTED_2500baseX_Full; +#endif -#ifdef CONFIG_PHYLIB if (fm_eth->type == FM_ETH_1G_E) - dtsec_init_phy(dev); + dtsec_init_phy(fm_eth); + +#ifdef CONFIG_DM_ETH +#ifdef CONFIG_PHYLIB +#ifdef CONFIG_DM_MDIO + fm_eth->phydev = dm_eth_phy_connect(fm_eth->dev); + if (!fm_eth->phydev) + return -ENODEV; +#endif + fm_eth->phydev->advertising &= supported; + fm_eth->phydev->supported &= supported; + phy_config(fm_eth->phydev); +#endif +#else /* CONFIG_DM_ETH */ +#ifdef CONFIG_PHYLIB if (fm_eth->bus) { - phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev, - fm_eth->enet_if); + phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, fm_eth->dev, + fm_eth->enet_if); if (!phydev) { printf("Failed to connect\n"); return -1; @@ -648,7 +870,7 @@ static int init_phy(struct eth_device *dev) } else { supported = SUPPORTED_10000baseT_Full; - if (tgec_is_fibre(dev)) + if (tgec_is_fibre(fm_eth)) phydev->port = PORT_FIBRE; } @@ -659,26 +881,28 @@ static int init_phy(struct eth_device *dev) phy_config(phydev); #endif - +#endif /* CONFIG_DM_ETH */ return 0; } +#ifndef CONFIG_DM_ETH int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info) { struct eth_device *dev; struct fm_eth *fm_eth; int i, num = info->num; + int ret; /* alloc eth device */ dev = (struct eth_device *)malloc(sizeof(struct eth_device)); if (!dev) - return 0; + return -ENOMEM; memset(dev, 0, sizeof(struct eth_device)); /* alloc the FMan ethernet private struct */ fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth)); if (!fm_eth) - return 0; + return -ENOMEM; memset(fm_eth, 0, sizeof(struct fm_eth)); /* save off some things we need from the info struct */ @@ -693,8 +917,9 @@ int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info) fm_eth->max_rx_len = MAX_RXBUF_LEN; /* init global mac structure */ - if (!fm_eth_init_mac(fm_eth, reg)) - return 0; + ret = fm_eth_init_mac(fm_eth, reg); + if (ret) + return ret; /* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */ if (fm_eth->type == FM_ETH_1G_E) @@ -715,15 +940,203 @@ int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info) fm_eth->enet_if = info->enet_if; /* startup the FM im */ - if (!fm_eth_startup(fm_eth)) - return 0; + ret = fm_eth_startup(fm_eth); + if (ret) + return ret; - init_phy(dev); + init_phy(fm_eth); /* clear the ethernet address */ for (i = 0; i < 6; i++) dev->enetaddr[i] = 0; eth_register(dev); - return 1; + return 0; +} +#else /* CONFIG_DM_ETH */ + +static int fm_eth_bind(struct udevice *dev) +{ + char mac_name[11]; + u32 fm, num; + + if (ofnode_read_u32(ofnode_get_parent(dev_ofnode(dev)), "cell-index", &fm)) { + printf("FMan node property cell-index missing\n"); + return -EINVAL; + } + + if (dev && dev_read_u32(dev, "cell-index", &num)) { + printf("FMan MAC node property cell-index missing\n"); + return -EINVAL; + } + + sprintf(mac_name, "fm%d-mac%d", fm + 1, num + 1); + device_set_name(dev, mac_name); + + debug("%s - binding %s\n", __func__, mac_name); + + return 0; +} + +static struct udevice *fm_get_internal_mdio(struct udevice *dev) +{ + struct ofnode_phandle_args phandle = {.node = ofnode_null()}; + struct udevice *mdiodev; + + if (dev_read_phandle_with_args(dev, "pcsphy-handle", NULL, + 0, 0, &phandle) || + !ofnode_valid(phandle.node)) { + if (dev_read_phandle_with_args(dev, "tbi-handle", NULL, + 0, 0, &phandle) || + !ofnode_valid(phandle.node)) { + printf("Issue reading pcsphy-handle/tbi-handle for MAC %s\n", + dev->name); + return NULL; + } + } + + if (uclass_get_device_by_ofnode(UCLASS_MDIO, + ofnode_get_parent(phandle.node), + &mdiodev)) { + printf("can't find MDIO bus for node %s\n", + ofnode_get_name(ofnode_get_parent(phandle.node))); + return NULL; + } + debug("Found internal MDIO bus %p\n", mdiodev); + + return mdiodev; +} + +static int fm_eth_probe(struct udevice *dev) +{ + struct fm_eth *fm_eth = (struct fm_eth *)dev_get_priv(dev); + struct ofnode_phandle_args args; + void *reg; + int ret, index; + + debug("%s enter for dev %p fm_eth %p - %s\n", __func__, dev, fm_eth, + (dev) ? dev->name : "-"); + + if (fm_eth->dev) { + printf("%s already probed, exit\n", (dev) ? dev->name : "-"); + return 0; + } + + fm_eth->dev = dev; + fm_eth->fm_index = fman_id(dev->parent); + reg = (void *)(uintptr_t)dev_read_addr(dev); + fm_eth->mac_type = dev_get_driver_data(dev); +#ifdef CONFIG_PHYLIB + fm_eth->enet_if = dev_read_phy_mode(dev); +#else + fm_eth->enet_if = PHY_INTERFACE_MODE_SGMII; + printf("%s: warning - unable to determine interface type\n", __func__); +#endif + switch (fm_eth->mac_type) { +#ifndef CONFIG_SYS_FMAN_V3 + case FM_TGEC: + fm_eth->type = FM_ETH_10G_E; + break; + case FM_DTSEC: +#else + case FM_MEMAC: + /* default to 1G, 10G is indicated by port property in dts */ +#endif + fm_eth->type = FM_ETH_1G_E; + break; + } + + if (dev_read_u32(dev, "cell-index", &fm_eth->num)) { + printf("FMan MAC node property cell-index missing\n"); + return -EINVAL; + } + + if (dev_read_phandle_with_args(dev, "fsl,fman-ports", NULL, + 0, 0, &args)) + goto ports_ref_failure; + index = ofnode_read_u32_default(args.node, "cell-index", 0); + if (index <= 0) + goto ports_ref_failure; + fm_eth->rx_port = fman_port(dev->parent, index); + + if (ofnode_read_bool(args.node, "fsl,fman-10g-port")) + fm_eth->type = FM_ETH_10G_E; + + if (dev_read_phandle_with_args(dev, "fsl,fman-ports", NULL, + 0, 1, &args)) + goto ports_ref_failure; + index = ofnode_read_u32_default(args.node, "cell-index", 0); + if (index <= 0) + goto ports_ref_failure; + fm_eth->tx_port = fman_port(dev->parent, index); + + /* set the ethernet max receive length */ + fm_eth->max_rx_len = MAX_RXBUF_LEN; + + switch (fm_eth->enet_if) { + case PHY_INTERFACE_MODE_QSGMII: + /* all PCS blocks are accessed on one controller */ + if (fm_eth->num != 0) + break; + case PHY_INTERFACE_MODE_SGMII: + case PHY_INTERFACE_MODE_2500BASEX: + fm_eth->pcs_mdio = fm_get_internal_mdio(dev); + break; + default: + break; + } + + /* init global mac structure */ + ret = fm_eth_init_mac(fm_eth, reg); + if (ret) + return ret; + + /* startup the FM im */ + ret = fm_eth_startup(fm_eth); + + if (!ret) + ret = init_phy(fm_eth); + + return ret; + +ports_ref_failure: + printf("Issue reading fsl,fman-ports for MAC %s\n", dev->name); + return -ENOENT; +} + +static int fm_eth_remove(struct udevice *dev) +{ + return 0; } + +static const struct eth_ops fm_eth_ops = { + .start = fm_eth_open, + .send = fm_eth_send, + .recv = fm_eth_recv, + .free_pkt = fm_eth_free_pkt, + .stop = fm_eth_halt, +}; + +static const struct udevice_id fm_eth_ids[] = { +#ifdef CONFIG_SYS_FMAN_V3 + { .compatible = "fsl,fman-memac", .data = FM_MEMAC }, +#else + { .compatible = "fsl,fman-dtsec", .data = FM_DTSEC }, + { .compatible = "fsl,fman-xgec", .data = FM_TGEC }, +#endif + {} +}; + +U_BOOT_DRIVER(eth_fman) = { + .name = "eth_fman", + .id = UCLASS_ETH, + .of_match = fm_eth_ids, + .bind = fm_eth_bind, + .probe = fm_eth_probe, + .remove = fm_eth_remove, + .ops = &fm_eth_ops, + .priv_auto = sizeof(struct fm_eth), + .plat_auto = sizeof(struct eth_pdata), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; +#endif /* CONFIG_DM_ETH */