diff options
Diffstat (limited to 'drivers/net/fm/eth.c')
| -rw-r--r-- | drivers/net/fm/eth.c | 433 |
1 files changed, 386 insertions, 47 deletions
diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c index 88019c9..5f1a023 100644 --- a/drivers/net/fm/eth.c +++ b/drivers/net/fm/eth.c @@ -1,10 +1,17 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2009-2012 Freescale Semiconductor, Inc. + * Copyright 2020 NXP * Dave Liu <daveliu@freescale.com> */ #include <common.h> #include <asm/io.h> +#ifdef CONFIG_DM_ETH +#include <dm.h> +#include <dm/ofnode.h> +#include <linux/compat.h> +#include <phy_interface.h> +#endif #include <malloc.h> #include <net.h> #include <hwconfig.h> @@ -18,8 +25,10 @@ #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) @@ -37,10 +46,18 @@ 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; - int i = 0; + int i = 0, j; + +#ifndef CONFIG_DM_ETH + bus.priv = priv->mac->phyregs; +#else + bus.priv = priv->pcs_mdio; +#endif + bus.read = memac_mdio_read; + bus.write = memac_mdio_write; + bus.reset = memac_mdio_reset; qsgmii_loop: /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */ @@ -51,6 +68,10 @@ qsgmii_loop: 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, i, MDIO_DEVAD_NONE, 0x14, value); /* Dev ability according to SGMII specification */ @@ -98,9 +119,8 @@ qsgmii_loop: #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; @@ -114,10 +134,10 @@ static void dtsec_init_phy(struct eth_device *dev) dtsec_configure_serdes(fm_eth); } +#ifndef CONFIG_DM_ETH #ifdef CONFIG_PHYLIB -static int tgec_is_fibre(struct eth_device *dev) +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); @@ -125,6 +145,7 @@ 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) @@ -168,6 +189,8 @@ 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) @@ -196,6 +219,8 @@ 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) @@ -435,23 +460,39 @@ static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth) sync(); } +#ifndef CONFIG_DM_ETH static int fm_eth_open(struct eth_device *dev, bd_t *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_platdata(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); @@ -466,8 +507,12 @@ 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 { @@ -481,6 +526,8 @@ 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); @@ -488,7 +535,11 @@ 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; @@ -511,7 +562,11 @@ static void fm_eth_halt(struct eth_device *dev) #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; @@ -569,20 +624,50 @@ static int fm_eth_send(struct eth_device *dev, void *buf, int len) return 1; } -static int fm_eth_recv(struct eth_device *dev) +static struct fm_port_bd *fm_eth_free_one(struct fm_eth *fm_eth, + struct fm_port_bd *rxbd) { - struct fm_eth *fm_eth; struct fm_port_global_pram *pram; - struct fm_port_bd *rxbd, *rxbd_base; - u16 status, len; - u32 buf_lo, buf_hi; - u8 *data; + struct fm_port_bd *rxbd_base; u16 offset_out; - int ret = 1; - fm_eth = (struct fm_eth *)dev->priv; pram = fm_eth->rx_pram; - rxbd = fm_eth->cur_rxbd; + + /* 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_eth *)dev->priv; + struct fm_port_bd *rxbd = fm_eth->cur_rxbd; + u32 buf_lo, buf_hi; + u16 status, len; + int ret = -1; + u8 *data; + status = muram_readw(&rxbd->status); while (!(status & RxBD_EMPTY)) { @@ -591,38 +676,40 @@ static int fm_eth_recv(struct eth_device *dev) 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); ret = 0; } - /* clear the RxBDs */ - muram_writew(&rxbd->status, RxBD_EMPTY); - muram_writew(&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 = muram_readw(&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(); } fm_eth->cur_rxbd = (void *)rxbd; 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->priv; + + 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; @@ -678,22 +765,75 @@ static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg) 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; -static int init_phy(struct eth_device *dev) +#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 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_SGMII_2500) + supported |= SUPPORTED_2500baseX_Full; #endif 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; @@ -711,7 +851,7 @@ 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; } @@ -722,10 +862,11 @@ 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; @@ -784,7 +925,7 @@ int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info) if (ret) return ret; - init_phy(dev); + init_phy(fm_eth); /* clear the ethernet address */ for (i = 0; i < 6; i++) @@ -793,3 +934,201 @@ int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info) return 0; } +#else /* CONFIG_DM_ETH */ +#ifdef CONFIG_PHYLIB +phy_interface_t fman_read_sys_if(struct udevice *dev) +{ + const char *if_str; + + if_str = ofnode_read_string(dev->node, "phy-connection-type"); + debug("MAC system interface mode %s\n", if_str); + + return phy_get_interface_by_name(if_str); +} +#endif + +static int fm_eth_bind(struct udevice *dev) +{ + char mac_name[11]; + u32 fm, num; + + if (ofnode_read_u32(ofnode_get_parent(dev->node), "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->priv; + 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 = fman_read_sys_if(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_SGMII_2500: + 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_alloc_size = sizeof(struct fm_eth), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; +#endif /* CONFIG_DM_ETH */ |