diff options
Diffstat (limited to 'drivers/net/mvgbe.c')
| -rw-r--r-- | drivers/net/mvgbe.c | 416 |
1 files changed, 339 insertions, 77 deletions
diff --git a/drivers/net/mvgbe.c b/drivers/net/mvgbe.c index e6585ef8b3..74fed7abd8 100644 --- a/drivers/net/mvgbe.c +++ b/drivers/net/mvgbe.c @@ -12,6 +12,7 @@ */ #include <common.h> +#include <dm.h> #include <net.h> #include <malloc.h> #include <miiphy.h> @@ -55,20 +56,13 @@ static int smi_wait_ready(struct mvgbe_device *dmvgbe) return 0; } -/* - * smi_reg_read - miiphy_read callback function. - * - * Returns 16bit phy register value, or -EFAULT on error - */ -static int smi_reg_read(struct mii_dev *bus, int phy_adr, int devad, - int reg_ofs) +static int __mvgbe_mdio_read(struct mvgbe_device *dmvgbe, int phy_adr, + int devad, int reg_ofs) { - u16 data = 0; - struct eth_device *dev = eth_get_dev_by_name(bus->name); - struct mvgbe_device *dmvgbe = to_mvgbe(dev); struct mvgbe_registers *regs = dmvgbe->regs; u32 smi_reg; u32 timeout; + u16 data = 0; /* Phyadr read request */ if (phy_adr == MV_PHY_ADR_REQUEST && @@ -127,15 +121,26 @@ static int smi_reg_read(struct mii_dev *bus, int phy_adr, int devad, } /* - * smi_reg_write - miiphy_write callback function. + * smi_reg_read - miiphy_read callback function. * - * Returns 0 if write succeed, -EFAULT on error + * Returns 16bit phy register value, or -EFAULT on error */ -static int smi_reg_write(struct mii_dev *bus, int phy_adr, int devad, - int reg_ofs, u16 data) +static int smi_reg_read(struct mii_dev *bus, int phy_adr, int devad, + int reg_ofs) { +#ifdef CONFIG_DM_ETH + struct mvgbe_device *dmvgbe = bus->priv; +#else struct eth_device *dev = eth_get_dev_by_name(bus->name); struct mvgbe_device *dmvgbe = to_mvgbe(dev); +#endif + + return __mvgbe_mdio_read(dmvgbe, phy_adr, devad, reg_ofs); +} + +static int __mvgbe_mdio_write(struct mvgbe_device *dmvgbe, int phy_adr, + int devad, int reg_ofs, u16 data) +{ struct mvgbe_registers *regs = dmvgbe->regs; u32 smi_reg; @@ -171,6 +176,24 @@ static int smi_reg_write(struct mii_dev *bus, int phy_adr, int devad, return 0; } + +/* + * smi_reg_write - miiphy_write callback function. + * + * Returns 0 if write succeed, -EFAULT on error + */ +static int smi_reg_write(struct mii_dev *bus, int phy_adr, int devad, + int reg_ofs, u16 data) +{ +#ifdef CONFIG_DM_ETH + struct mvgbe_device *dmvgbe = bus->priv; +#else + struct eth_device *dev = eth_get_dev_by_name(bus->name); + struct mvgbe_device *dmvgbe = to_mvgbe(dev); +#endif + + return __mvgbe_mdio_write(dmvgbe, phy_adr, devad, reg_ofs, data); +} #endif /* Stop and checks all queues */ @@ -357,8 +380,9 @@ static int port_uc_addr(struct mvgbe_registers *regs, u8 uc_nibble, /* * port_uc_addr_set - This function Set the port Unicast address. */ -static void port_uc_addr_set(struct mvgbe_registers *regs, u8 * p_addr) +static void port_uc_addr_set(struct mvgbe_device *dmvgbe, u8 *p_addr) { + struct mvgbe_registers *regs = dmvgbe->regs; u32 mac_h; u32 mac_l; @@ -400,12 +424,13 @@ static void mvgbe_init_rx_desc_ring(struct mvgbe_device *dmvgbe) dmvgbe->p_rxdesc_curr = dmvgbe->p_rxdesc; } -static int mvgbe_init(struct eth_device *dev) +static int __mvgbe_init(struct mvgbe_device *dmvgbe, u8 *enetaddr, + const char *name) { - struct mvgbe_device *dmvgbe = to_mvgbe(dev); struct mvgbe_registers *regs = dmvgbe->regs; #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && \ !defined(CONFIG_PHYLIB) && \ + !defined(CONFIG_DM_ETH) && \ defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) int i; #endif @@ -422,7 +447,7 @@ static int mvgbe_init(struct eth_device *dev) set_dram_access(regs); port_init_mac_tables(regs); - port_uc_addr_set(regs, dmvgbe->dev.enetaddr); + port_uc_addr_set(dmvgbe, enetaddr); /* Assign port configuration and command. */ MVGBE_REG_WR(regs->pxc, PRT_CFG_VAL); @@ -459,28 +484,37 @@ static int mvgbe_init(struct eth_device *dev) #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && \ !defined(CONFIG_PHYLIB) && \ + !defined(CONFIG_DM_ETH) && \ defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) /* Wait up to 5s for the link status */ for (i = 0; i < 5; i++) { u16 phyadr; - miiphy_read(dev->name, MV_PHY_ADR_REQUEST, + miiphy_read(name, MV_PHY_ADR_REQUEST, MV_PHY_ADR_REQUEST, &phyadr); /* Return if we get link up */ - if (miiphy_link(dev->name, phyadr)) + if (miiphy_link(name, phyadr)) return 0; udelay(1000000); } - printf("No link on %s\n", dev->name); + printf("No link on %s\n", name); return -1; #endif return 0; } -static int mvgbe_halt(struct eth_device *dev) +#ifndef CONFIG_DM_ETH +static int mvgbe_init(struct eth_device *dev) { struct mvgbe_device *dmvgbe = to_mvgbe(dev); + + return __mvgbe_init(dmvgbe, dmvgbe->dev.enetaddr, dmvgbe->dev.name); +} +#endif + +static void __mvgbe_halt(struct mvgbe_device *dmvgbe) +{ struct mvgbe_registers *regs = dmvgbe->regs; /* Disable all gigE address decoder */ @@ -502,23 +536,42 @@ static int mvgbe_halt(struct eth_device *dev) MVGBE_REG_WR(regs->ice, 0); MVGBE_REG_WR(regs->pim, 0); MVGBE_REG_WR(regs->peim, 0); +} + +#ifndef CONFIG_DM_ETH +static int mvgbe_halt(struct eth_device *dev) +{ + struct mvgbe_device *dmvgbe = to_mvgbe(dev); + + __mvgbe_halt(dmvgbe); return 0; } +#endif + +#ifdef CONFIG_DM_ETH +static int mvgbe_write_hwaddr(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + port_uc_addr_set(dev_get_priv(dev), pdata->enetaddr); + + return 0; +} +#else static int mvgbe_write_hwaddr(struct eth_device *dev) { struct mvgbe_device *dmvgbe = to_mvgbe(dev); - struct mvgbe_registers *regs = dmvgbe->regs; /* Programs net device MAC address after initialization */ - port_uc_addr_set(regs, dmvgbe->dev.enetaddr); + port_uc_addr_set(dmvgbe, dmvgbe->dev.enetaddr); return 0; } +#endif -static int mvgbe_send(struct eth_device *dev, void *dataptr, int datasize) +static int __mvgbe_send(struct mvgbe_device *dmvgbe, void *dataptr, + int datasize) { - struct mvgbe_device *dmvgbe = to_mvgbe(dev); struct mvgbe_registers *regs = dmvgbe->regs; struct mvgbe_txdesc *p_txdesc = dmvgbe->p_txdesc; void *p = (void *)dataptr; @@ -571,13 +624,25 @@ static int mvgbe_send(struct eth_device *dev, void *dataptr, int datasize) return 0; } -static int mvgbe_recv(struct eth_device *dev) +#ifndef CONFIG_DM_ETH +static int mvgbe_send(struct eth_device *dev, void *dataptr, int datasize) { struct mvgbe_device *dmvgbe = to_mvgbe(dev); + + return __mvgbe_send(dmvgbe, dataptr, datasize); +} +#endif + +static int __mvgbe_recv(struct mvgbe_device *dmvgbe, uchar **packetp) +{ struct mvgbe_rxdesc *p_rxdesc_curr = dmvgbe->p_rxdesc_curr; u32 cmd_sts; u32 timeout = 0; u32 rxdesc_curr_addr; + unsigned char *data; + int rx_bytes = 0; + + *packetp = NULL; /* wait untill rx packet available or timeout */ do { @@ -621,11 +686,11 @@ static int mvgbe_recv(struct eth_device *dev) " upper layer (net_process_received_packet)\n", __func__); - /* let the upper layer handle the packet */ - net_process_received_packet((p_rxdesc_curr->buf_ptr + - RX_BUF_OFFSET), - (int)(p_rxdesc_curr->byte_cnt - - RX_BUF_OFFSET)); + data = (p_rxdesc_curr->buf_ptr + RX_BUF_OFFSET); + rx_bytes = (int)(p_rxdesc_curr->byte_cnt - + RX_BUF_OFFSET); + + *packetp = data; } /* * free these descriptors and point next in the ring @@ -638,10 +703,59 @@ static int mvgbe_recv(struct eth_device *dev) rxdesc_curr_addr = (u32)&dmvgbe->p_rxdesc_curr; writel((unsigned)p_rxdesc_curr->nxtdesc_p, rxdesc_curr_addr); + return rx_bytes; +} + +#ifndef CONFIG_DM_ETH +static int mvgbe_recv(struct eth_device *dev) +{ + struct mvgbe_device *dmvgbe = to_mvgbe(dev); + uchar *packet; + int ret; + + ret = __mvgbe_recv(dmvgbe, &packet); + if (ret < 0) + return ret; + + net_process_received_packet(packet, ret); + return 0; } +#endif -#if defined(CONFIG_PHYLIB) +#if defined(CONFIG_PHYLIB) || defined(CONFIG_DM_ETH) +#if defined(CONFIG_DM_ETH) +static struct phy_device *__mvgbe_phy_init(struct udevice *dev, + struct mii_dev *bus, + phy_interface_t phy_interface, + int phyid) +#else +static struct phy_device *__mvgbe_phy_init(struct eth_device *dev, + struct mii_dev *bus, + phy_interface_t phy_interface, + int phyid) +#endif +{ + struct phy_device *phydev; + + /* Set phy address of the port */ + miiphy_write(dev->name, MV_PHY_ADR_REQUEST, MV_PHY_ADR_REQUEST, + phyid); + + phydev = phy_connect(bus, phyid, dev, phy_interface); + if (!phydev) { + printf("phy_connect failed\n"); + return NULL; + } + + phy_config(phydev); + phy_startup(phydev); + + return phydev; +} +#endif /* CONFIG_PHYLIB || CONFIG_DM_ETH */ + +#if defined(CONFIG_PHYLIB) && !defined(CONFIG_DM_ETH) int mvgbe_phylib_init(struct eth_device *dev, int phyid) { struct mii_dev *bus; @@ -664,27 +778,53 @@ int mvgbe_phylib_init(struct eth_device *dev, int phyid) return -ENOMEM; } - /* Set phy address of the port */ - smi_reg_write(bus, MV_PHY_ADR_REQUEST, 0, MV_PHY_ADR_REQUEST, phyid); - - phydev = phy_connect(bus, phyid, dev, PHY_INTERFACE_MODE_RGMII); - if (!phydev) { - printf("phy_connect failed\n"); + phydev = __mvgbe_phy_init(dev, bus, PHY_INTERFACE_MODE_RGMII, phyid); + if (!phydev) return -ENODEV; - } - - phy_config(phydev); - phy_startup(phydev); return 0; } #endif +static int mvgbe_alloc_buffers(struct mvgbe_device *dmvgbe) +{ + dmvgbe->p_rxdesc = memalign(PKTALIGN, + MV_RXQ_DESC_ALIGNED_SIZE * RINGSZ + 1); + if (!dmvgbe->p_rxdesc) + goto error1; + + dmvgbe->p_rxbuf = memalign(PKTALIGN, + RINGSZ * PKTSIZE_ALIGN + 1); + if (!dmvgbe->p_rxbuf) + goto error2; + + dmvgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN); + if (!dmvgbe->p_aligned_txbuf) + goto error3; + + dmvgbe->p_txdesc = memalign(PKTALIGN, sizeof(struct mvgbe_txdesc) + 1); + if (!dmvgbe->p_txdesc) + goto error4; + + return 0; + +error4: + free(dmvgbe->p_aligned_txbuf); +error3: + free(dmvgbe->p_rxbuf); +error2: + free(dmvgbe->p_rxdesc); +error1: + return -ENOMEM; +} + +#ifndef CONFIG_DM_ETH int mvgbe_initialize(bd_t *bis) { struct mvgbe_device *dmvgbe; struct eth_device *dev; int devnum; + int ret; u8 used_ports[MAX_MVGBE_DEVS] = CONFIG_MVGBE_PORTS; for (devnum = 0; devnum < MAX_MVGBE_DEVS; devnum++) { @@ -693,45 +833,16 @@ int mvgbe_initialize(bd_t *bis) continue; dmvgbe = malloc(sizeof(struct mvgbe_device)); - if (!dmvgbe) - goto error1; + return -ENOMEM; memset(dmvgbe, 0, sizeof(struct mvgbe_device)); - - dmvgbe->p_rxdesc = - (struct mvgbe_rxdesc *)memalign(PKTALIGN, - MV_RXQ_DESC_ALIGNED_SIZE*RINGSZ + 1); - - if (!dmvgbe->p_rxdesc) - goto error2; - - dmvgbe->p_rxbuf = (u8 *) memalign(PKTALIGN, - RINGSZ*PKTSIZE_ALIGN + 1); - - if (!dmvgbe->p_rxbuf) - goto error3; - - dmvgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN); - - if (!dmvgbe->p_aligned_txbuf) - goto error4; - - dmvgbe->p_txdesc = (struct mvgbe_txdesc *) memalign( - PKTALIGN, sizeof(struct mvgbe_txdesc) + 1); - - if (!dmvgbe->p_txdesc) { - free(dmvgbe->p_aligned_txbuf); -error4: - free(dmvgbe->p_rxbuf); -error3: - free(dmvgbe->p_rxdesc); -error2: - free(dmvgbe); -error1: + ret = mvgbe_alloc_buffers(dmvgbe); + if (ret) { printf("Err.. %s Failed to allocate memory\n", __func__); - return -1; + free(dmvgbe); + return ret; } dev = &dmvgbe->dev; @@ -783,3 +894,154 @@ error1: } return 0; } +#endif + +#ifdef CONFIG_DM_ETH +static int mvgbe_port_is_fixed_link(struct mvgbe_device *dmvgbe) +{ + return dmvgbe->phyaddr > PHY_MAX_ADDR; +} + +static int mvgbe_start(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + struct mvgbe_device *dmvgbe = dev_get_priv(dev); + int ret; + + ret = __mvgbe_init(dmvgbe, pdata->enetaddr, dev->name); + if (ret) + return ret; + + if (!mvgbe_port_is_fixed_link(dmvgbe)) { + dmvgbe->phydev = __mvgbe_phy_init(dev, dmvgbe->bus, + dmvgbe->phy_interface, + dmvgbe->phyaddr); + if (!dmvgbe->phydev) + return -ENODEV; + } + + return 0; +} + +static int mvgbe_send(struct udevice *dev, void *packet, int length) +{ + struct mvgbe_device *dmvgbe = dev_get_priv(dev); + + return __mvgbe_send(dmvgbe, packet, length); +} + +static int mvgbe_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct mvgbe_device *dmvgbe = dev_get_priv(dev); + + return __mvgbe_recv(dmvgbe, packetp); +} + +static void mvgbe_stop(struct udevice *dev) +{ + struct mvgbe_device *dmvgbe = dev_get_priv(dev); + + __mvgbe_halt(dmvgbe); +} + +static int mvgbe_probe(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + struct mvgbe_device *dmvgbe = dev_get_priv(dev); + struct mii_dev *bus; + int ret; + + ret = mvgbe_alloc_buffers(dmvgbe); + if (ret) + return ret; + + dmvgbe->regs = (void __iomem *)pdata->iobase; + + bus = mdio_alloc(); + if (!bus) { + printf("Failed to allocate MDIO bus\n"); + return -ENOMEM; + } + + bus->read = smi_reg_read; + bus->write = smi_reg_write; + snprintf(bus->name, sizeof(bus->name), dev->name); + bus->priv = dmvgbe; + dmvgbe->bus = bus; + + ret = mdio_register(bus); + if (ret < 0) + return ret; + + return 0; +} + +static const struct eth_ops mvgbe_ops = { + .start = mvgbe_start, + .send = mvgbe_send, + .recv = mvgbe_recv, + .stop = mvgbe_stop, + .write_hwaddr = mvgbe_write_hwaddr, +}; + +static int mvgbe_ofdata_to_platdata(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + struct mvgbe_device *dmvgbe = dev_get_priv(dev); + void *blob = (void *)gd->fdt_blob; + int node = dev_of_offset(dev); + const char *phy_mode; + int fl_node; + int pnode; + unsigned long addr; + + pdata->iobase = devfdt_get_addr(dev); + pdata->phy_interface = -1; + + pnode = fdt_node_offset_by_compatible(blob, node, + "marvell,kirkwood-eth-port"); + + /* Get phy-mode / phy_interface from DT */ + phy_mode = fdt_getprop(gd->fdt_blob, pnode, "phy-mode", NULL); + if (phy_mode) + pdata->phy_interface = phy_get_interface_by_name(phy_mode); + if (pdata->phy_interface == -1) { + debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode); + return -EINVAL; + } + + dmvgbe->phy_interface = pdata->phy_interface; + + /* fetch 'fixed-link' property */ + fl_node = fdt_subnode_offset(blob, pnode, "fixed-link"); + if (fl_node != -FDT_ERR_NOTFOUND) { + /* set phy_addr to invalid value for fixed link */ + dmvgbe->phyaddr = PHY_MAX_ADDR + 1; + dmvgbe->duplex = fdtdec_get_bool(blob, fl_node, "full-duplex"); + dmvgbe->speed = fdtdec_get_int(blob, fl_node, "speed", 0); + } else { + /* Now read phyaddr from DT */ + addr = fdtdec_lookup_phandle(blob, pnode, "phy-handle"); + if (addr > 0) + dmvgbe->phyaddr = fdtdec_get_int(blob, addr, "reg", 0); + } + + return 0; +} + +static const struct udevice_id mvgbe_ids[] = { + { .compatible = "marvell,kirkwood-eth" }, + { } +}; + +U_BOOT_DRIVER(mvgbe) = { + .name = "mvgbe", + .id = UCLASS_ETH, + .of_match = mvgbe_ids, + .ofdata_to_platdata = mvgbe_ofdata_to_platdata, + .probe = mvgbe_probe, + .ops = &mvgbe_ops, + .priv_auto_alloc_size = sizeof(struct mvgbe_device), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), +}; +#endif /* CONFIG_DM_ETH */ |