diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/Kconfig | 15 | ||||
| -rw-r--r-- | drivers/net/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/designware.c | 8 | ||||
| -rw-r--r-- | drivers/net/fsl_enetc.c | 597 | ||||
| -rw-r--r-- | drivers/net/fsl_enetc.h | 229 | ||||
| -rw-r--r-- | drivers/net/fsl_enetc_mdio.c | 149 | ||||
| -rw-r--r-- | drivers/net/macb.c | 208 | ||||
| -rw-r--r-- | drivers/net/macb.h | 870 | ||||
| -rw-r--r-- | drivers/net/sun8i_emac.c | 29 | ||||
| -rw-r--r-- | drivers/net/ti/davinci_emac.c | 77 | ||||
| -rw-r--r-- | drivers/net/tsec.c | 59 |
11 files changed, 1897 insertions, 346 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 403df5e960..883b849b78 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -588,4 +588,19 @@ config HIGMACV300_ETH This driver supports HIGMACV300 Ethernet controller found on HiSilicon SoCs. +config FSL_ENETC + bool "NXP ENETC Ethernet controller" + depends on DM_PCI && DM_ETH && DM_MDIO + help + This driver supports the NXP ENETC Ethernet controller found on some + of the NXP SoCs. + +config MDIO_MUX_I2CREG + bool "MDIO MUX accessed as a register over I2C" + depends on DM_MDIO_MUX && DM_I2C + help + This driver is used for MDIO muxes driven by writing to a register of + an I2C chip. The board it was developed for uses a mux controlled by + on-board FPGA which in turn is accessed as a chip over I2C. + endif # NETDEVICES diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 3c473b205d..71c0889355 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -37,6 +37,7 @@ obj-$(CONFIG_LAN91C96) += lan91c96.o obj-$(CONFIG_LPC32XX_ETH) += lpc32xx_eth.o obj-$(CONFIG_MACB) += macb.o obj-$(CONFIG_MCFFEC) += mcffec.o mcfmii.o +obj-$(CONFIG_MDIO_MUX_I2CREG) += mdio_mux_i2creg.o obj-$(CONFIG_MDIO_MUX_SANDBOX) += mdio_mux_sandbox.o obj-$(CONFIG_MPC8XX_FEC) += mpc8xx_fec.o obj-$(CONFIG_MT7628_ETH) += mt7628-eth.o @@ -79,3 +80,4 @@ obj-$(CONFIG_MEDIATEK_ETH) += mtk_eth.o obj-y += mscc_eswitch/ obj-$(CONFIG_HIGMACV300_ETH) += higmacv300.o obj-$(CONFIG_MDIO_SANDBOX) += mdio_sandbox.o +obj-$(CONFIG_FSL_ENETC) += fsl_enetc.o fsl_enetc_mdio.o diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 3b6cf5ddb5..c4fe40b19a 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -480,18 +480,16 @@ static int _dw_free_pkt(struct dw_eth_dev *priv) static int dw_phy_init(struct dw_eth_dev *priv, void *dev) { struct phy_device *phydev; - int mask = 0xffffffff, ret; + int phy_addr = -1, ret; #ifdef CONFIG_PHY_ADDR - mask = 1 << CONFIG_PHY_ADDR; + phy_addr = CONFIG_PHY_ADDR; #endif - phydev = phy_find_by_mask(priv->bus, mask, priv->interface); + phydev = phy_connect(priv->bus, phy_addr, dev, priv->interface); if (!phydev) return -ENODEV; - phy_connect_dev(phydev, dev); - phydev->supported &= PHY_GBIT_FEATURES; if (priv->max_speed) { ret = phy_set_supported(phydev, priv->max_speed); diff --git a/drivers/net/fsl_enetc.c b/drivers/net/fsl_enetc.c new file mode 100644 index 0000000000..e7c5062c39 --- /dev/null +++ b/drivers/net/fsl_enetc.c @@ -0,0 +1,597 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * ENETC ethernet controller driver + * Copyright 2017-2019 NXP + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <memalign.h> +#include <asm/io.h> +#include <pci.h> +#include <miiphy.h> + +#include "fsl_enetc.h" + +/* + * Bind the device: + * - set a more explicit name on the interface + */ +static int enetc_bind(struct udevice *dev) +{ + char name[16]; + static int eth_num_devices; + + /* + * prefer using PCI function numbers to number interfaces, but these + * are only available if dts nodes are present. For PCI they are + * optional, handle that case too. Just in case some nodes are present + * and some are not, use different naming scheme - enetc-N based on + * PCI function # and enetc#N based on interface count + */ + if (ofnode_valid(dev->node)) + sprintf(name, "enetc-%u", PCI_FUNC(pci_get_devfn(dev))); + else + sprintf(name, "enetc#%u", eth_num_devices++); + device_set_name(dev, name); + + return 0; +} + +/* MDIO wrappers, we're using these to drive internal MDIO to get to serdes */ +static int enetc_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) +{ + struct enetc_mdio_priv priv; + + priv.regs_base = bus->priv; + return enetc_mdio_read_priv(&priv, addr, devad, reg); +} + +static int enetc_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, + u16 val) +{ + struct enetc_mdio_priv priv; + + priv.regs_base = bus->priv; + return enetc_mdio_write_priv(&priv, addr, devad, reg, val); +} + +/* only interfaces that can pin out through serdes have internal MDIO */ +static bool enetc_has_imdio(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + + return !!(priv->imdio.priv); +} + +/* set up serdes for SGMII */ +static int enetc_init_sgmii(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + bool is2500 = false; + u16 reg; + + if (!enetc_has_imdio(dev)) + return 0; + + if (priv->if_type == PHY_INTERFACE_MODE_SGMII_2500) + is2500 = true; + + /* + * Set to SGMII mode, for 1Gbps enable AN, for 2.5Gbps set fixed speed. + * Although fixed speed is 1Gbps, we could be running at 2.5Gbps based + * on PLL configuration. Setting 1G for 2.5G here is counter intuitive + * but intentional. + */ + reg = ENETC_PCS_IF_MODE_SGMII; + reg |= is2500 ? ENETC_PCS_IF_MODE_SPEED_1G : ENETC_PCS_IF_MODE_SGMII_AN; + enetc_mdio_write(&priv->imdio, ENETC_PCS_PHY_ADDR, MDIO_DEVAD_NONE, + ENETC_PCS_IF_MODE, reg); + + /* Dev ability - SGMII */ + enetc_mdio_write(&priv->imdio, ENETC_PCS_PHY_ADDR, MDIO_DEVAD_NONE, + ENETC_PCS_DEV_ABILITY, ENETC_PCS_DEV_ABILITY_SGMII); + + /* Adjust link timer for SGMII */ + enetc_mdio_write(&priv->imdio, ENETC_PCS_PHY_ADDR, MDIO_DEVAD_NONE, + ENETC_PCS_LINK_TIMER1, ENETC_PCS_LINK_TIMER1_VAL); + enetc_mdio_write(&priv->imdio, ENETC_PCS_PHY_ADDR, MDIO_DEVAD_NONE, + ENETC_PCS_LINK_TIMER2, ENETC_PCS_LINK_TIMER2_VAL); + + reg = ENETC_PCS_CR_DEF_VAL; + reg |= is2500 ? ENETC_PCS_CR_RST : ENETC_PCS_CR_RESET_AN; + /* restart PCS AN */ + enetc_mdio_write(&priv->imdio, ENETC_PCS_PHY_ADDR, MDIO_DEVAD_NONE, + ENETC_PCS_CR, reg); + + return 0; +} + +/* set up MAC for RGMII */ +static int enetc_init_rgmii(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + u32 if_mode; + + /* enable RGMII AN */ + if_mode = enetc_read_port(priv, ENETC_PM_IF_MODE); + if_mode |= ENETC_PM_IF_MODE_AN_ENA; + enetc_write_port(priv, ENETC_PM_IF_MODE, if_mode); + + return 0; +} + +/* set up MAC and serdes for SXGMII */ +static int enetc_init_sxgmii(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + u32 if_mode; + + /* set ifmode to (US)XGMII */ + if_mode = enetc_read_port(priv, ENETC_PM_IF_MODE); + if_mode &= ~ENETC_PM_IF_IFMODE_MASK; + enetc_write_port(priv, ENETC_PM_IF_MODE, if_mode); + + if (!enetc_has_imdio(dev)) + return 0; + + /* Dev ability - SXGMII */ + enetc_mdio_write(&priv->imdio, ENETC_PCS_PHY_ADDR, ENETC_PCS_DEVAD_REPL, + ENETC_PCS_DEV_ABILITY, ENETC_PCS_DEV_ABILITY_SXGMII); + + /* Restart PCS AN */ + enetc_mdio_write(&priv->imdio, ENETC_PCS_PHY_ADDR, ENETC_PCS_DEVAD_REPL, + ENETC_PCS_CR, + ENETC_PCS_CR_RST | ENETC_PCS_CR_RESET_AN); + + return 0; +} + +/* Apply protocol specific configuration to MAC, serdes as needed */ +static void enetc_start_pcs(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + const char *if_str; + + priv->if_type = PHY_INTERFACE_MODE_NONE; + + /* check internal mdio capability, not all ports need it */ + if (enetc_read_port(priv, ENETC_PCAPR0) & ENETC_PCAPRO_MDIO) { + /* + * set up internal MDIO, this is part of ETH PCI function and is + * used to access serdes / internal SoC PHYs. + * We don't currently register it as a MDIO bus as it goes away + * when the interface is removed, so it can't practically be + * used in the console. + */ + priv->imdio.read = enetc_mdio_read; + priv->imdio.write = enetc_mdio_write; + priv->imdio.priv = priv->port_regs + ENETC_PM_IMDIO_BASE; + strncpy(priv->imdio.name, dev->name, MDIO_NAME_LEN); + } + + if (!ofnode_valid(dev->node)) { + enetc_dbg(dev, "no enetc ofnode found, skipping PCS set-up\n"); + return; + } + + if_str = ofnode_read_string(dev->node, "phy-mode"); + if (if_str) + priv->if_type = phy_get_interface_by_name(if_str); + else + enetc_dbg(dev, + "phy-mode property not found, defaulting to SGMII\n"); + if (priv->if_type < 0) + priv->if_type = PHY_INTERFACE_MODE_NONE; + + switch (priv->if_type) { + case PHY_INTERFACE_MODE_SGMII: + case PHY_INTERFACE_MODE_SGMII_2500: + enetc_init_sgmii(dev); + break; + case PHY_INTERFACE_MODE_RGMII: + enetc_init_rgmii(dev); + break; + case PHY_INTERFACE_MODE_XGMII: + enetc_init_sxgmii(dev); + break; + }; +} + +/* Configure the actual/external ethernet PHY, if one is found */ +static void enetc_start_phy(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + struct udevice *miidev; + struct phy_device *phy; + u32 phandle, phy_id; + ofnode phy_node; + int supported; + + if (!ofnode_valid(dev->node)) { + enetc_dbg(dev, "no enetc ofnode found, skipping PHY set-up\n"); + return; + } + + if (ofnode_read_u32(dev->node, "phy-handle", &phandle)) { + enetc_dbg(dev, "phy-handle not found, skipping PHY set-up\n"); + return; + } + + phy_node = ofnode_get_by_phandle(phandle); + if (!ofnode_valid(phy_node)) { + enetc_dbg(dev, "invalid phy node, skipping PHY set-up\n"); + return; + } + enetc_dbg(dev, "phy node: %s\n", ofnode_get_name(phy_node)); + + if (ofnode_read_u32(phy_node, "reg", &phy_id)) { + enetc_dbg(dev, + "missing reg in PHY node, skipping PHY set-up\n"); + return; + } + + if (uclass_get_device_by_ofnode(UCLASS_MDIO, + ofnode_get_parent(phy_node), + &miidev)) { + enetc_dbg(dev, "can't find MDIO bus for node %s\n", + ofnode_get_name(ofnode_get_parent(phy_node))); + return; + } + + phy = dm_mdio_phy_connect(miidev, phy_id, dev, priv->if_type); + if (!phy) { + enetc_dbg(dev, "dm_mdio_phy_connect returned null\n"); + return; + } + + supported = GENMASK(6, 0); /* speeds up to 1G & AN */ + phy->advertising = phy->supported & supported; + phy_config(phy); + phy_startup(phy); +} + +/* + * Probe ENETC driver: + * - initialize port and station interface BARs + */ +static int enetc_probe(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + + if (ofnode_valid(dev->node) && !ofnode_is_available(dev->node)) { + enetc_dbg(dev, "interface disabled\n"); + return -ENODEV; + } + + priv->enetc_txbd = memalign(ENETC_BD_ALIGN, + sizeof(struct enetc_tx_bd) * ENETC_BD_CNT); + priv->enetc_rxbd = memalign(ENETC_BD_ALIGN, + sizeof(union enetc_rx_bd) * ENETC_BD_CNT); + + if (!priv->enetc_txbd || !priv->enetc_rxbd) { + /* free should be able to handle NULL, just free all pointers */ + free(priv->enetc_txbd); + free(priv->enetc_rxbd); + + return -ENOMEM; + } + + /* initialize register */ + priv->regs_base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, 0); + if (!priv->regs_base) { + enetc_dbg(dev, "failed to map BAR0\n"); + return -EINVAL; + } + priv->port_regs = priv->regs_base + ENETC_PORT_REGS_OFF; + + dm_pci_clrset_config16(dev, PCI_COMMAND, 0, PCI_COMMAND_MEMORY); + + return 0; +} + +/* + * Remove the driver from an interface: + * - free up allocated memory + */ +static int enetc_remove(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + + free(priv->enetc_txbd); + free(priv->enetc_rxbd); + + return 0; +} + +/* ENETC Port MAC address registers, accepts big-endian format */ +static void enetc_set_primary_mac_addr(struct enetc_priv *priv, const u8 *addr) +{ + u16 lower = *(const u16 *)(addr + 4); + u32 upper = *(const u32 *)addr; + + enetc_write_port(priv, ENETC_PSIPMAR0, upper); + enetc_write_port(priv, ENETC_PSIPMAR1, lower); +} + +/* Configure port parameters (# of rings, frame size, enable port) */ +static void enetc_enable_si_port(struct enetc_priv *priv) +{ + u32 val; + + /* set Rx/Tx BDR count */ + val = ENETC_PSICFGR_SET_TXBDR(ENETC_TX_BDR_CNT); + val |= ENETC_PSICFGR_SET_RXBDR(ENETC_RX_BDR_CNT); + enetc_write_port(priv, ENETC_PSICFGR(0), val); + /* set Rx max frame size */ + enetc_write_port(priv, ENETC_PM_MAXFRM, ENETC_RX_MAXFRM_SIZE); + /* enable MAC port */ + enetc_write_port(priv, ENETC_PM_CC, ENETC_PM_CC_RX_TX_EN); + /* enable port */ + enetc_write_port(priv, ENETC_PMR, ENETC_PMR_SI0_EN); + /* set SI cache policy */ + enetc_write(priv, ENETC_SICAR0, + ENETC_SICAR_RD_CFG | ENETC_SICAR_WR_CFG); + /* enable SI */ + enetc_write(priv, ENETC_SIMR, ENETC_SIMR_EN); +} + +/* returns DMA address for a given buffer index */ +static inline u64 enetc_rxb_address(struct udevice *dev, int i) +{ + return cpu_to_le64(dm_pci_virt_to_mem(dev, net_rx_packets[i])); +} + +/* + * Setup a single Tx BD Ring (ID = 0): + * - set Tx buffer descriptor address + * - set the BD count + * - initialize the producer and consumer index + */ +static void enetc_setup_tx_bdr(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + struct bd_ring *tx_bdr = &priv->tx_bdr; + u64 tx_bd_add = (u64)priv->enetc_txbd; + + /* used later to advance to the next Tx BD */ + tx_bdr->bd_count = ENETC_BD_CNT; + tx_bdr->next_prod_idx = 0; + tx_bdr->next_cons_idx = 0; + tx_bdr->cons_idx = priv->regs_base + + ENETC_BDR(TX, ENETC_TX_BDR_ID, ENETC_TBCIR); + tx_bdr->prod_idx = priv->regs_base + + ENETC_BDR(TX, ENETC_TX_BDR_ID, ENETC_TBPIR); + + /* set Tx BD address */ + enetc_bdr_write(priv, TX, ENETC_TX_BDR_ID, ENETC_TBBAR0, + lower_32_bits(tx_bd_add)); + enetc_bdr_write(priv, TX, ENETC_TX_BDR_ID, ENETC_TBBAR1, + upper_32_bits(tx_bd_add)); + /* set Tx 8 BD count */ + enetc_bdr_write(priv, TX, ENETC_TX_BDR_ID, ENETC_TBLENR, + tx_bdr->bd_count); + + /* reset both producer/consumer indexes */ + enetc_write_reg(tx_bdr->cons_idx, tx_bdr->next_cons_idx); + enetc_write_reg(tx_bdr->prod_idx, tx_bdr->next_prod_idx); + + /* enable TX ring */ + enetc_bdr_write(priv, TX, ENETC_TX_BDR_ID, ENETC_TBMR, ENETC_TBMR_EN); +} + +/* + * Setup a single Rx BD Ring (ID = 0): + * - set Rx buffer descriptors address (one descriptor per buffer) + * - set buffer size as max frame size + * - enable Rx ring + * - reset consumer and producer indexes + * - set buffer for each descriptor + */ +static void enetc_setup_rx_bdr(struct udevice *dev) +{ + struct enetc_priv *priv = dev_get_priv(dev); + struct bd_ring *rx_bdr = &priv->rx_bdr; + u64 rx_bd_add = (u64)priv->enetc_rxbd; + int i; + + /* used later to advance to the next BD produced by ENETC HW */ + rx_bdr->bd_count = ENETC_BD_CNT; + rx_bdr->next_prod_idx = 0; + rx_bdr->next_cons_idx = 0; + rx_bdr->cons_idx = priv->regs_base + + ENETC_BDR(RX, ENETC_RX_BDR_ID, ENETC_RBCIR); + rx_bdr->prod_idx = priv->regs_base + + ENETC_BDR(RX, ENETC_RX_BDR_ID, ENETC_RBPIR); + + /* set Rx BD address */ + enetc_bdr_write(priv, RX, ENETC_RX_BDR_ID, ENETC_RBBAR0, + lower_32_bits(rx_bd_add)); + enetc_bdr_write(priv, RX, ENETC_RX_BDR_ID, ENETC_RBBAR1, + upper_32_bits(rx_bd_add)); + /* set Rx BD count (multiple of 8) */ + enetc_bdr_write(priv, RX, ENETC_RX_BDR_ID, ENETC_RBLENR, + rx_bdr->bd_count); + /* set Rx buffer size */ + enetc_bdr_write(priv, RX, ENETC_RX_BDR_ID, ENETC_RBBSR, PKTSIZE_ALIGN); + + /* fill Rx BD */ + memset(priv->enetc_rxbd, 0, + rx_bdr->bd_count * sizeof(union enetc_rx_bd)); + for (i = 0; i < rx_bdr->bd_count; i++) { + priv->enetc_rxbd[i].w.addr = enetc_rxb_address(dev, i); + /* each RX buffer must be aligned to 64B */ + WARN_ON(priv->enetc_rxbd[i].w.addr & (ARCH_DMA_MINALIGN - 1)); + } + + /* reset producer (ENETC owned) and consumer (SW owned) index */ + enetc_write_reg(rx_bdr->cons_idx, rx_bdr->next_cons_idx); + enetc_write_reg(rx_bdr->prod_idx, rx_bdr->next_prod_idx); + + /* enable Rx ring */ + enetc_bdr_write(priv, RX, ENETC_RX_BDR_ID, ENETC_RBMR, ENETC_RBMR_EN); +} + +/* + * Start ENETC interface: + * - perform FLR + * - enable access to port and SI registers + * - set mac address + * - setup TX/RX buffer descriptors + * - enable Tx/Rx rings + */ +static int enetc_start(struct udevice *dev) +{ + struct eth_pdata *plat = dev_get_platdata(dev); + struct enetc_priv *priv = dev_get_priv(dev); + + /* reset and enable the PCI device */ + dm_pci_flr(dev); + dm_pci_clrset_config16(dev, PCI_COMMAND, 0, + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); + + if (!is_valid_ethaddr(plat->enetaddr)) { + enetc_dbg(dev, "invalid MAC address, generate random ...\n"); + net_random_ethaddr(plat->enetaddr); + } + enetc_set_primary_mac_addr(priv, plat->enetaddr); + + enetc_enable_si_port(priv); + + /* setup Tx/Rx buffer descriptors */ + enetc_setup_tx_bdr(dev); + enetc_setup_rx_bdr(dev); + + enetc_start_pcs(dev); + enetc_start_phy(dev); + + return 0; +} + +/* + * Stop the network interface: + * - just quiesce it, we can wipe all configuration as _start starts from + * scratch each time + */ +static void enetc_stop(struct udevice *dev) +{ + /* FLR is sufficient to quiesce the device */ + dm_pci_flr(dev); +} + +/* + * ENETC transmit packet: + * - check if Tx BD ring is full + * - set buffer/packet address (dma address) + * - set final fragment flag + * - try while producer index equals consumer index or timeout + */ +static int enetc_send(struct udevice *dev, void *packet, int length) +{ + struct enetc_priv *priv = dev_get_priv(dev); + struct bd_ring *txr = &priv->tx_bdr; + void *nv_packet = (void *)packet; + int tries = ENETC_POLL_TRIES; + u32 pi, ci; + + pi = txr->next_prod_idx; + ci = enetc_read_reg(txr->cons_idx) & ENETC_BDR_IDX_MASK; + /* Tx ring is full when */ + if (((pi + 1) % txr->bd_count) == ci) { + enetc_dbg(dev, "Tx BDR full\n"); + return -ETIMEDOUT; + } + enetc_dbg(dev, "TxBD[%d]send: pkt_len=%d, buff @0x%x%08x\n", pi, length, + upper_32_bits((u64)nv_packet), lower_32_bits((u64)nv_packet)); + + /* prepare Tx BD */ + memset(&priv->enetc_txbd[pi], 0x0, sizeof(struct enetc_tx_bd)); + priv->enetc_txbd[pi].addr = + cpu_to_le64(dm_pci_virt_to_mem(dev, nv_packet)); + priv->enetc_txbd[pi].buf_len = cpu_to_le16(length); + priv->enetc_txbd[pi].frm_len = cpu_to_le16(length); + priv->enetc_txbd[pi].flags = cpu_to_le16(ENETC_TXBD_FLAGS_F); + dmb(); + /* send frame: increment producer index */ + pi = (pi + 1) % txr->bd_count; + txr->next_prod_idx = pi; + enetc_write_reg(txr->prod_idx, pi); + while ((--tries >= 0) && + (pi != (enetc_read_reg(txr->cons_idx) & ENETC_BDR_IDX_MASK))) + udelay(10); + + return tries > 0 ? 0 : -ETIMEDOUT; +} + +/* + * Receive frame: + * - wait for the next BD to get ready bit set + * - clean up the descriptor + * - move on and indicate to HW that the cleaned BD is available for Rx + */ +static int enetc_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct enetc_priv *priv = dev_get_priv(dev); + struct bd_ring *rxr = &priv->rx_bdr; + int tries = ENETC_POLL_TRIES; + int pi = rxr->next_prod_idx; + int ci = rxr->next_cons_idx; + u32 status; + int len; + u8 rdy; + + do { + dmb(); + status = le32_to_cpu(priv->enetc_rxbd[pi].r.lstatus); + /* check if current BD is ready to be consumed */ + rdy = ENETC_RXBD_STATUS_R(status); + } while (--tries >= 0 && !rdy); + + if (!rdy) + return -EAGAIN; + + dmb(); + len = le16_to_cpu(priv->enetc_rxbd[pi].r.buf_len); + *packetp = (uchar *)enetc_rxb_address(dev, pi); + enetc_dbg(dev, "RxBD[%d]: len=%d err=%d pkt=0x%x%08x\n", pi, len, + ENETC_RXBD_STATUS_ERRORS(status), + upper_32_bits((u64)*packetp), lower_32_bits((u64)*packetp)); + + /* BD clean up and advance to next in ring */ + memset(&priv->enetc_rxbd[pi], 0, sizeof(union enetc_rx_bd)); + priv->enetc_rxbd[pi].w.addr = enetc_rxb_address(dev, pi); + rxr->next_prod_idx = (pi + 1) % rxr->bd_count; + ci = (ci + 1) % rxr->bd_count; + rxr->next_cons_idx = ci; + dmb(); + /* free up the slot in the ring for HW */ + enetc_write_reg(rxr->cons_idx, ci); + + return len; +} + +static const struct eth_ops enetc_ops = { + .start = enetc_start, + .send = enetc_send, + .recv = enetc_recv, + .stop = enetc_stop, +}; + +U_BOOT_DRIVER(eth_enetc) = { + .name = "enetc_eth", + .id = UCLASS_ETH, + .bind = enetc_bind, + .probe = enetc_probe, + .remove = enetc_remove, + .ops = &enetc_ops, + .priv_auto_alloc_size = sizeof(struct enetc_priv), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), +}; + +static struct pci_device_id enetc_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, PCI_DEVICE_ID_ENETC_ETH) }, + {} +}; + +U_BOOT_PCI_DEVICE(eth_enetc, enetc_ids); diff --git a/drivers/net/fsl_enetc.h b/drivers/net/fsl_enetc.h new file mode 100644 index 0000000000..0bb4cdff47 --- /dev/null +++ b/drivers/net/fsl_enetc.h @@ -0,0 +1,229 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * ENETC ethernet controller driver + * Copyright 2017-2019 NXP + */ + +#ifndef _ENETC_H +#define _ENETC_H + +#define enetc_dbg(dev, fmt, args...) debug("%s:" fmt, dev->name, ##args) + +/* PCI function IDs */ +#define PCI_DEVICE_ID_ENETC_ETH 0xE100 +#define PCI_DEVICE_ID_ENETC_MDIO 0xEE01 + +/* ENETC Ethernet controller registers */ +/* Station interface register offsets */ +#define ENETC_SIMR 0x000 +#define ENETC_SIMR_EN BIT(31) +#define ENETC_SICAR0 0x040 +/* write cache cfg: snoop, no allocate, data & BD coherent */ +#define ENETC_SICAR_WR_CFG 0x6767 +/* read cache cfg: coherent copy, look up, don't alloc in cache */ +#define ENETC_SICAR_RD_CFG 0x27270000 +#define ENETC_SIROCT 0x300 +#define ENETC_SIRFRM 0x308 +#define ENETC_SITOCT 0x320 +#define ENETC_SITFRM 0x328 + +/* Rx/Tx Buffer Descriptor Ring registers */ +enum enetc_bdr_type {TX, RX}; +#define ENETC_BDR(type, n, off) (0x8000 + (type) * 0x100 + (n) * 0x200 + (off)) +#define ENETC_BDR_IDX_MASK 0xffff + +/* Rx BDR reg offsets */ +#define ENETC_RBMR 0x00 +#define ENETC_RBMR_EN BIT(31) +#define ENETC_RBBSR 0x08 +/* initial consumer index for Rx BDR */ +#define ENETC_RBCIR 0x0c +#define ENETC_RBBAR0 0x10 +#define ENETC_RBBAR1 0x14 +#define ENETC_RBPIR 0x18 +#define ENETC_RBLENR 0x20 + +/* Tx BDR reg offsets */ +#define ENETC_TBMR 0x00 +#define ENETC_TBMR_EN BIT(31) +#define ENETC_TBBAR0 0x10 +#define ENETC_TBBAR1 0x14 +#define ENETC_TBPIR 0x18 +#define ENETC_TBCIR 0x1c +#define ENETC_TBLENR 0x20 + +/* Port registers offset */ +#define ENETC_PORT_REGS_OFF 0x10000 + +/* Port registers */ +#define ENETC_PMR 0x0000 +#define ENETC_PMR_SI0_EN BIT(16) +#define ENETC_PSIPMMR 0x0018 +#define ENETC_PSIPMAR0 0x0100 +#define ENETC_PSIPMAR1 0x0104 +#define ENETC_PCAPR0 0x0900 +#define ENETC_PCAPRO_MDIO BIT(11) +#define ENETC_PSICFGR(n) (0x0940 + (n) * 0x10) +#define ENETC_PSICFGR_SET_TXBDR(val) ((val) & 0xff) +#define ENETC_PSICFGR_SET_RXBDR(val) (((val) & 0xff) << 16) +/* MAC configuration */ +#define ENETC_PM_CC 0x8008 +#define ENETC_PM_CC_DEFAULT 0x0810 +#define ENETC_PM_CC_RX_TX_EN 0x8813 +#define ENETC_PM_MAXFRM 0x8014 +#define ENETC_RX_MAXFRM_SIZE PKTSIZE_ALIGN +#define ENETC_PM_IMDIO_BASE 0x8030 +#define ENETC_PM_IF_MODE 0x8300 +#define ENETC_PM_IF_MODE_RG BIT(2) +#define ENETC_PM_IF_MODE_AN_ENA BIT(15) +#define ENETC_PM_IF_IFMODE_MASK GENMASK(1, 0) + +/* buffer descriptors count must be multiple of 8 and aligned to 128 bytes */ +#define ENETC_BD_CNT CONFIG_SYS_RX_ETH_BUFFER +#define ENETC_BD_ALIGN 128 + +/* single pair of Rx/Tx rings */ +#define ENETC_RX_BDR_CNT 1 +#define ENETC_TX_BDR_CNT 1 +#define ENETC_RX_BDR_ID 0 +#define ENETC_TX_BDR_ID 0 + +/* Tx buffer descriptor */ +struct enetc_tx_bd { + __le64 addr; + __le16 buf_len; + __le16 frm_len; + __le16 err_csum; + __le16 flags; +}; + +#define ENETC_TXBD_FLAGS_F BIT(15) +#define ENETC_POLL_TRIES 32000 + +/* Rx buffer descriptor */ +union enetc_rx_bd { + /* SW provided BD format */ + struct { + __le64 addr; + u8 reserved[8]; + } w; + + /* ENETC returned BD format */ + struct { + __le16 inet_csum; + __le16 parse_summary; + __le32 rss_hash; + __le16 buf_len; + __le16 vlan_opt; + union { + struct { + __le16 flags; + __le16 error; + }; + __le32 lstatus; + }; + } r; +}; + +#define ENETC_RXBD_STATUS_R(status) (((status) >> 30) & 0x1) +#define ENETC_RXBD_STATUS_F(status) (((status) >> 31) & 0x1) +#define ENETC_RXBD_STATUS_ERRORS(status) (((status) >> 16) & 0xff) +#define ENETC_RXBD_STATUS(flags) ((flags) << 16) + +/* Tx/Rx ring info */ +struct bd_ring { + void *cons_idx; + void *prod_idx; + /* next BD index to use */ + int next_prod_idx; + int next_cons_idx; + int bd_count; +}; + +/* ENETC private structure */ +struct enetc_priv { + struct enetc_tx_bd *enetc_txbd; + union enetc_rx_bd *enetc_rxbd; + + void *regs_base; /* base ENETC registers */ + void *port_regs; /* base ENETC port registers */ + + /* Rx/Tx buffer descriptor rings info */ + struct bd_ring tx_bdr; + struct bd_ring rx_bdr; + + int if_type; + struct mii_dev imdio; +}; + +/* register accessors */ +#define enetc_read_reg(x) readl((x)) +#define enetc_write_reg(x, val) writel((val), (x)) +#define enetc_read(priv, off) enetc_read_reg((priv)->regs_base + (off)) +#define enetc_write(priv, off, v) \ + enetc_write_reg((priv)->regs_base + (off), v) + +/* port register accessors */ +#define enetc_port_regs(priv, off) ((priv)->port_regs + (off)) +#define enetc_read_port(priv, off) \ + enetc_read_reg(enetc_port_regs((priv), (off))) +#define enetc_write_port(priv, off, v) \ + enetc_write_reg(enetc_port_regs((priv), (off)), v) + +/* BDR register accessors, see ENETC_BDR() */ +#define enetc_bdr_read(priv, t, n, off) \ + enetc_read(priv, ENETC_BDR(t, n, off)) +#define enetc_bdr_write(priv, t, n, off, val) \ + enetc_write(priv, ENETC_BDR(t, n, off), val) + +/* PCS / internal SoC PHY ID, it defaults to 0 on all interfaces */ +#define ENETC_PCS_PHY_ADDR 0 + +/* PCS registers */ +#define ENETC_PCS_CR 0x00 +#define ENETC_PCS_CR_RESET_AN 0x1200 +#define ENETC_PCS_CR_DEF_VAL 0x0140 +#define ENETC_PCS_CR_RST BIT(15) +#define ENETC_PCS_DEV_ABILITY 0x04 +#define ENETC_PCS_DEV_ABILITY_SGMII 0x4001 +#define ENETC_PCS_DEV_ABILITY_SXGMII 0x5001 +#define ENETC_PCS_LINK_TIMER1 0x12 +#define ENETC_PCS_LINK_TIMER1_VAL 0x06a0 +#define ENETC_PCS_LINK_TIMER2 0x13 +#define ENETC_PCS_LINK_TIMER2_VAL 0x0003 +#define ENETC_PCS_IF_MODE 0x14 +#define ENETC_PCS_IF_MODE_SGMII BIT(0) +#define ENETC_PCS_IF_MODE_SGMII_AN BIT(1) +#define ENETC_PCS_IF_MODE_SPEED_1G BIT(3) + +/* PCS replicator block for USXGMII */ +#define ENETC_PCS_DEVAD_REPL 0x1f + +/* ENETC external MDIO registers */ +#define ENETC_MDIO_BASE 0x1c00 +#define ENETC_MDIO_CFG 0x00 +#define ENETC_EMDIO_CFG_C22 0x00809508 +#define ENETC_EMDIO_CFG_C45 0x00809548 +#define ENETC_EMDIO_CFG_RD_ER BIT(1) +#define ENETC_EMDIO_CFG_BSY BIT(0) +#define ENETC_MDIO_CTL 0x04 +#define ENETC_MDIO_CTL_READ BIT(15) +#define ENETC_MDIO_DATA 0x08 +#define ENETC_MDIO_STAT 0x0c + +#define ENETC_MDIO_READ_ERR 0xffff + +struct enetc_mdio_priv { + void *regs_base; +}; + +/* + * these functions are implemented by ENETC_MDIO and are re-used by ENETC driver + * to drive serdes / internal SoC PHYs + */ +int enetc_mdio_read_priv(struct enetc_mdio_priv *priv, int addr, int devad, + int reg); +int enetc_mdio_write_priv(struct enetc_mdio_priv *priv, int addr, int devad, + int reg, u16 val); + +#endif /* _ENETC_H */ diff --git a/drivers/net/fsl_enetc_mdio.c b/drivers/net/fsl_enetc_mdio.c new file mode 100644 index 0000000000..60d21537b8 --- /dev/null +++ b/drivers/net/fsl_enetc_mdio.c @@ -0,0 +1,149 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * ENETC ethernet controller driver + * Copyright 2019 NXP + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <pci.h> +#include <miiphy.h> +#include <asm/io.h> +#include <asm/processor.h> +#include <miiphy.h> + +#include "fsl_enetc.h" + +static void enetc_mdio_wait_bsy(struct enetc_mdio_priv *priv) +{ + while (enetc_read(priv, ENETC_MDIO_CFG) & ENETC_EMDIO_CFG_BSY) + cpu_relax(); +} + +int enetc_mdio_read_priv(struct enetc_mdio_priv *priv, int addr, int devad, + int reg) +{ + if (devad == MDIO_DEVAD_NONE) + enetc_write(priv, ENETC_MDIO_CFG, ENETC_EMDIO_CFG_C22); + else + enetc_write(priv, ENETC_MDIO_CFG, ENETC_EMDIO_CFG_C45); + enetc_mdio_wait_bsy(priv); + + if (devad == MDIO_DEVAD_NONE) { + enetc_write(priv, ENETC_MDIO_CTL, ENETC_MDIO_CTL_READ | + (addr << 5) | reg); + } else { + enetc_write(priv, ENETC_MDIO_CTL, (addr << 5) + devad); + enetc_mdio_wait_bsy(priv); + + enetc_write(priv, ENETC_MDIO_STAT, reg); + enetc_mdio_wait_bsy(priv); + + enetc_write(priv, ENETC_MDIO_CTL, ENETC_MDIO_CTL_READ | + (addr << 5) | devad); + } + + enetc_mdio_wait_bsy(priv); + if (enetc_read(priv, ENETC_MDIO_CFG) & ENETC_EMDIO_CFG_RD_ER) + return ENETC_MDIO_READ_ERR; + + return enetc_read(priv, ENETC_MDIO_DATA); +} + +int enetc_mdio_write_priv(struct enetc_mdio_priv *priv, int addr, int devad, + int reg, u16 val) +{ + if (devad == MDIO_DEVAD_NONE) + enetc_write(priv, ENETC_MDIO_CFG, ENETC_EMDIO_CFG_C22); + else + enetc_write(priv, ENETC_MDIO_CFG, ENETC_EMDIO_CFG_C45); + enetc_mdio_wait_bsy(priv); + + if (devad != MDIO_DEVAD_NONE) { + enetc_write(priv, ENETC_MDIO_CTL, (addr << 5) + devad); + enetc_write(priv, ENETC_MDIO_STAT, reg); + } else { + enetc_write(priv, ENETC_MDIO_CTL, (addr << 5) + reg); + } + enetc_mdio_wait_bsy(priv); + + enetc_write(priv, ENETC_MDIO_DATA, val); + enetc_mdio_wait_bsy(priv); + + return 0; +} + +/* DM wrappers */ +static int dm_enetc_mdio_read(struct udevice *dev, int addr, int devad, int reg) +{ + struct enetc_mdio_priv *priv = dev_get_priv(dev); + + return enetc_mdio_read_priv(priv, addr, devad, reg); +} + +static int dm_enetc_mdio_write(struct udevice *dev, int addr, int devad, + int reg, u16 val) +{ + struct enetc_mdio_priv *priv = dev_get_priv(dev); + + return enetc_mdio_write_priv(priv, addr, devad, reg, val); +} + +static const struct mdio_ops enetc_mdio_ops = { + .read = dm_enetc_mdio_read, + .write = dm_enetc_mdio_write, +}; + +static int enetc_mdio_bind(struct udevice *dev) +{ + char name[16]; + static int eth_num_devices; + + /* + * prefer using PCI function numbers to number interfaces, but these + * are only available if dts nodes are present. For PCI they are + * optional, handle that case too. Just in case some nodes are present + * and some are not, use different naming scheme - enetc-N based on + * PCI function # and enetc#N based on interface count + */ + if (ofnode_valid(dev->node)) + sprintf(name, "emdio-%u", PCI_FUNC(pci_get_devfn(dev))); + else + sprintf(name, "emdio#%u", eth_num_devices++); + device_set_name(dev, name); + + return 0; +} + +static int enetc_mdio_probe(struct udevice *dev) +{ + struct enetc_mdio_priv *priv = dev_get_priv(dev); + + priv->regs_base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, 0); + if (!priv->regs_base) { + enetc_dbg(dev, "failed to map BAR0\n"); + return -EINVAL; + } + + priv->regs_base += ENETC_MDIO_BASE; + + dm_pci_clrset_config16(dev, PCI_COMMAND, 0, PCI_COMMAND_MEMORY); + + return 0; +} + +U_BOOT_DRIVER(enetc_mdio) = { + .name = "enetc_mdio", + .id = UCLASS_MDIO, + .bind = enetc_mdio_bind, + .probe = enetc_mdio_probe, + .ops = &enetc_mdio_ops, + .priv_auto_alloc_size = sizeof(struct enetc_mdio_priv), +}; + +static struct pci_device_id enetc_mdio_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, PCI_DEVICE_ID_ENETC_MDIO) }, +}; + +U_BOOT_PCI_DEVICE(enetc_mdio, enetc_mdio_ids); diff --git a/drivers/net/macb.c b/drivers/net/macb.c index a7eddd647d..c99cf663a4 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -45,9 +45,17 @@ DECLARE_GLOBAL_DATA_PTR; -#define MACB_RX_BUFFER_SIZE 4096 -#define MACB_RX_RING_SIZE (MACB_RX_BUFFER_SIZE / 128) +/* + * These buffer sizes must be power of 2 and divisible + * by RX_BUFFER_MULTIPLE + */ +#define MACB_RX_BUFFER_SIZE 128 +#define GEM_RX_BUFFER_SIZE 2048 +#define RX_BUFFER_MULTIPLE 64 + +#define MACB_RX_RING_SIZE 32 #define MACB_TX_RING_SIZE 16 + #define MACB_TX_TIMEOUT 1000 #define MACB_AUTONEG_TIMEOUT 5000000 @@ -77,31 +85,16 @@ struct macb_dma_desc { #define MACB_RX_DMA_DESC_SIZE (DMA_DESC_BYTES(MACB_RX_RING_SIZE)) #define MACB_TX_DUMMY_DMA_DESC_SIZE (DMA_DESC_BYTES(1)) -#define RXADDR_USED 0x00000001 -#define RXADDR_WRAP 0x00000002 - #define RXBUF_FRMLEN_MASK 0x00000fff -#define RXBUF_FRAME_START 0x00004000 -#define RXBUF_FRAME_END 0x00008000 -#define RXBUF_TYPEID_MATCH 0x00400000 -#define RXBUF_ADDR4_MATCH 0x00800000 -#define RXBUF_ADDR3_MATCH 0x01000000 -#define RXBUF_ADDR2_MATCH 0x02000000 -#define RXBUF_ADDR1_MATCH 0x04000000 -#define RXBUF_BROADCAST 0x80000000 - #define TXBUF_FRMLEN_MASK 0x000007ff -#define TXBUF_FRAME_END 0x00008000 -#define TXBUF_NOCRC 0x00010000 -#define TXBUF_EXHAUSTED 0x08000000 -#define TXBUF_UNDERRUN 0x10000000 -#define TXBUF_MAXRETRY 0x20000000 -#define TXBUF_WRAP 0x40000000 -#define TXBUF_USED 0x80000000 struct macb_device { void *regs; + bool is_big_endian; + + const struct macb_config *config; + unsigned int rx_tail; unsigned int tx_head; unsigned int tx_tail; @@ -112,6 +105,7 @@ struct macb_device { void *tx_buffer; struct macb_dma_desc *rx_ring; struct macb_dma_desc *tx_ring; + size_t rx_buffer_size; unsigned long rx_buffer_dma; unsigned long rx_ring_dma; @@ -137,6 +131,13 @@ struct macb_device { phy_interface_t phy_interface; #endif }; + +struct macb_config { + unsigned int dma_burst_length; + + int (*clk_init)(struct udevice *dev, ulong rate); +}; + #ifndef CONFIG_DM_ETH #define to_macb(_nd) container_of(_nd, struct macb_device, netdev) #endif @@ -316,9 +317,9 @@ static int _macb_send(struct macb_device *macb, const char *name, void *packet, paddr = dma_map_single(packet, length, DMA_TO_DEVICE); ctrl = length & TXBUF_FRMLEN_MASK; - ctrl |= TXBUF_FRAME_END; + ctrl |= MACB_BIT(TX_LAST); if (tx_head == (MACB_TX_RING_SIZE - 1)) { - ctrl |= TXBUF_WRAP; + ctrl |= MACB_BIT(TX_WRAP); macb->tx_head = 0; } else { macb->tx_head++; @@ -340,7 +341,7 @@ static int _macb_send(struct macb_device *macb, const char *name, void *packet, barrier(); macb_invalidate_ring_desc(macb, TX); ctrl = macb->tx_ring[tx_head].ctrl; - if (ctrl & TXBUF_USED) + if (ctrl & MACB_BIT(TX_USED)) break; udelay(1); } @@ -348,9 +349,9 @@ static int _macb_send(struct macb_device *macb, const char *name, void *packet, dma_unmap_single(packet, length, paddr); if (i <= MACB_TX_TIMEOUT) { - if (ctrl & TXBUF_UNDERRUN) + if (ctrl & MACB_BIT(TX_UNDERRUN)) printf("%s: TX underrun\n", name); - if (ctrl & TXBUF_EXHAUSTED) + if (ctrl & MACB_BIT(TX_BUF_EXHAUSTED)) printf("%s: TX buffers exhausted in mid frame\n", name); } else { printf("%s: TX timeout\n", name); @@ -369,14 +370,14 @@ static void reclaim_rx_buffers(struct macb_device *macb, macb_invalidate_ring_desc(macb, RX); while (i > new_tail) { - macb->rx_ring[i].addr &= ~RXADDR_USED; + macb->rx_ring[i].addr &= ~MACB_BIT(RX_USED); i++; if (i > MACB_RX_RING_SIZE) i = 0; } while (i < new_tail) { - macb->rx_ring[i].addr &= ~RXADDR_USED; + macb->rx_ring[i].addr &= ~MACB_BIT(RX_USED); i++; } @@ -396,26 +397,27 @@ static int _macb_recv(struct macb_device *macb, uchar **packetp) for (;;) { macb_invalidate_ring_desc(macb, RX); - if (!(macb->rx_ring[next_rx_tail].addr & RXADDR_USED)) + if (!(macb->rx_ring[next_rx_tail].addr & MACB_BIT(RX_USED))) return -EAGAIN; status = macb->rx_ring[next_rx_tail].ctrl; - if (status & RXBUF_FRAME_START) { + if (status & MACB_BIT(RX_SOF)) { if (next_rx_tail != macb->rx_tail) reclaim_rx_buffers(macb, next_rx_tail); macb->wrapped = false; } - if (status & RXBUF_FRAME_END) { - buffer = macb->rx_buffer + 128 * macb->rx_tail; + if (status & MACB_BIT(RX_EOF)) { + buffer = macb->rx_buffer + + macb->rx_buffer_size * macb->rx_tail; length = status & RXBUF_FRMLEN_MASK; macb_invalidate_rx_buffer(macb); if (macb->wrapped) { unsigned int headlen, taillen; - headlen = 128 * (MACB_RX_RING_SIZE - - macb->rx_tail); + headlen = macb->rx_buffer_size * + (MACB_RX_RING_SIZE - macb->rx_tail); taillen = length - headlen; memcpy((void *)net_rx_packets[0], buffer, headlen); @@ -495,21 +497,38 @@ static int macb_phy_find(struct macb_device *macb, const char *name) * when operation failed. */ #ifdef CONFIG_DM_ETH +static int macb_sifive_clk_init(struct udevice *dev, ulong rate) +{ + fdt_addr_t addr; + void *gemgxl_regs; + + addr = dev_read_addr_index(dev, 1); + if (addr == FDT_ADDR_T_NONE) + return -ENODEV; + + gemgxl_regs = (void __iomem *)addr; + if (!gemgxl_regs) + return -ENODEV; + + /* + * SiFive GEMGXL TX clock operation mode: + * + * 0 = GMII mode. Use 125 MHz gemgxlclk from PRCI in TX logic + * and output clock on GMII output signal GTX_CLK + * 1 = MII mode. Use MII input signal TX_CLK in TX logic + */ + writel(rate != 125000000, gemgxl_regs); + return 0; +} + int __weak macb_linkspd_cb(struct udevice *dev, unsigned int speed) { #ifdef CONFIG_CLK + struct macb_device *macb = dev_get_priv(dev); struct clk tx_clk; ulong rate; int ret; - /* - * "tx_clk" is an optional clock source for MACB. - * Ignore if it does not exist in DT. - */ - ret = clk_get_by_name(dev, "tx_clk", &tx_clk); - if (ret) - return 0; - switch (speed) { case _10BASET: rate = 2500000; /* 2.5 MHz */ @@ -525,6 +544,17 @@ int __weak macb_linkspd_cb(struct udevice *dev, unsigned int speed) return 0; } + if (macb->config->clk_init) + return macb->config->clk_init(dev, rate); + + /* + * "tx_clk" is an optional clock source for MACB. + * Ignore if it does not exist in DT. + */ + ret = clk_get_by_name(dev, "tx_clk", &tx_clk); + if (ret) + return 0; + if (tx_clk.dev) { ret = clk_set_rate(&tx_clk, rate); if (ret) @@ -699,7 +729,7 @@ static int gmac_init_multi_queues(struct macb_device *macb) if (queue_mask & (1 << i)) num_queues++; - macb->dummy_desc->ctrl = TXBUF_USED; + macb->dummy_desc->ctrl = MACB_BIT(TX_USED); macb->dummy_desc->addr = 0; flush_dcache_range(macb->dummy_desc_dma, macb->dummy_desc_dma + ALIGN(MACB_TX_DUMMY_DMA_DESC_SIZE, PKTALIGN)); @@ -710,6 +740,31 @@ static int gmac_init_multi_queues(struct macb_device *macb) return 0; } +static void gmac_configure_dma(struct macb_device *macb) +{ + u32 buffer_size; + u32 dmacfg; + + buffer_size = macb->rx_buffer_size / RX_BUFFER_MULTIPLE; + dmacfg = gem_readl(macb, DMACFG) & ~GEM_BF(RXBS, -1L); + dmacfg |= GEM_BF(RXBS, buffer_size); + + if (macb->config->dma_burst_length) + dmacfg = GEM_BFINS(FBLDO, + macb->config->dma_burst_length, dmacfg); + + dmacfg |= GEM_BIT(TXPBMS) | GEM_BF(RXBMS, -1L); + dmacfg &= ~GEM_BIT(ENDIA_PKT); + + if (macb->is_big_endian) + dmacfg |= GEM_BIT(ENDIA_DESC); /* CPU in big endian */ + else + dmacfg &= ~GEM_BIT(ENDIA_DESC); + + dmacfg &= ~GEM_BIT(ADDR64); + gem_writel(macb, DMACFG, dmacfg); +} + #ifdef CONFIG_DM_ETH static int _macb_init(struct udevice *dev, const char *name) #else @@ -732,10 +787,10 @@ static int _macb_init(struct macb_device *macb, const char *name) paddr = macb->rx_buffer_dma; for (i = 0; i < MACB_RX_RING_SIZE; i++) { if (i == (MACB_RX_RING_SIZE - 1)) - paddr |= RXADDR_WRAP; + paddr |= MACB_BIT(RX_WRAP); macb->rx_ring[i].addr = paddr; macb->rx_ring[i].ctrl = 0; - paddr += 128; + paddr += macb->rx_buffer_size; } macb_flush_ring_desc(macb, RX); macb_flush_rx_buffer(macb); @@ -743,9 +798,10 @@ static int _macb_init(struct macb_device *macb, const char *name) for (i = 0; i < MACB_TX_RING_SIZE; i++) { macb->tx_ring[i].addr = 0; if (i == (MACB_TX_RING_SIZE - 1)) - macb->tx_ring[i].ctrl = TXBUF_USED | TXBUF_WRAP; + macb->tx_ring[i].ctrl = MACB_BIT(TX_USED) | + MACB_BIT(TX_WRAP); else - macb->tx_ring[i].ctrl = TXBUF_USED; + macb->tx_ring[i].ctrl = MACB_BIT(TX_USED); } macb_flush_ring_desc(macb, TX); @@ -762,6 +818,8 @@ static int _macb_init(struct macb_device *macb, const char *name) macb_writel(macb, TBQP, macb->tx_ring_dma); if (macb_is_gem(macb)) { + /* Initialize DMA properties */ + gmac_configure_dma(macb); /* Check the multi queue and initialize the queue for tx */ gmac_init_multi_queues(macb); @@ -774,14 +832,21 @@ static int _macb_init(struct macb_device *macb, const char *name) #ifdef CONFIG_DM_ETH if ((macb->phy_interface == PHY_INTERFACE_MODE_RMII) || (macb->phy_interface == PHY_INTERFACE_MODE_RGMII)) - gem_writel(macb, UR, GEM_BIT(RGMII)); + gem_writel(macb, USRIO, GEM_BIT(RGMII)); else - gem_writel(macb, UR, 0); + gem_writel(macb, USRIO, 0); + + if (macb->phy_interface == PHY_INTERFACE_MODE_SGMII) { + unsigned int ncfgr = macb_readl(macb, NCFGR); + + ncfgr |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL); + macb_writel(macb, NCFGR, ncfgr); + } #else #if defined(CONFIG_RGMII) || defined(CONFIG_RMII) - gem_writel(macb, UR, GEM_BIT(RGMII)); + gem_writel(macb, USRIO, GEM_BIT(RGMII)); #else - gem_writel(macb, UR, 0); + gem_writel(macb, USRIO, 0); #endif #endif } else { @@ -903,8 +968,12 @@ static u32 gem_mdc_clk_div(int id, struct macb_device *macb) config = GEM_BF(CLK, GEM_CLK_DIV48); else if (macb_hz < 160000000) config = GEM_BF(CLK, GEM_CLK_DIV64); - else + else if (macb_hz < 240000000) config = GEM_BF(CLK, GEM_CLK_DIV96); + else if (macb_hz < 320000000) + config = GEM_BF(CLK, GEM_CLK_DIV128); + else + config = GEM_BF(CLK, GEM_CLK_DIV224); return config; } @@ -932,8 +1001,14 @@ static void _macb_eth_initialize(struct macb_device *macb) int id = 0; /* This is not used by functions we call */ u32 ncfgr; + if (macb_is_gem(macb)) + macb->rx_buffer_size = GEM_RX_BUFFER_SIZE; + else + macb->rx_buffer_size = MACB_RX_BUFFER_SIZE; + /* TODO: we need check the rx/tx_ring_dma is dcache line aligned */ - macb->rx_buffer = dma_alloc_coherent(MACB_RX_BUFFER_SIZE, + macb->rx_buffer = dma_alloc_coherent(macb->rx_buffer_size * + MACB_RX_RING_SIZE, &macb->rx_buffer_dma); macb->rx_ring = dma_alloc_coherent(MACB_RX_DMA_DESC_SIZE, &macb->rx_ring_dma); @@ -1142,12 +1217,17 @@ static int macb_enable_clk(struct udevice *dev) } #endif +static const struct macb_config default_gem_config = { + .dma_burst_length = 16, + .clk_init = NULL, +}; + static int macb_eth_probe(struct udevice *dev) { struct eth_pdata *pdata = dev_get_platdata(dev); struct macb_device *macb = dev_get_priv(dev); const char *phy_mode; - __maybe_unused int ret; + int ret; phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode", NULL); @@ -1160,6 +1240,12 @@ static int macb_eth_probe(struct udevice *dev) macb->regs = (void *)pdata->iobase; + macb->is_big_endian = (cpu_to_be32(0x12345678) == 0x12345678); + + macb->config = (struct macb_config *)dev_get_driver_data(dev); + if (!macb->config) + macb->config = &default_gem_config; + #ifdef CONFIG_CLK ret = macb_enable_clk(dev); if (ret) @@ -1220,13 +1306,25 @@ static int macb_eth_ofdata_to_platdata(struct udevice *dev) return macb_late_eth_ofdata_to_platdata(dev); } +static const struct macb_config sama5d4_config = { + .dma_burst_length = 4, + .clk_init = NULL, +}; + +static const struct macb_config sifive_config = { + .dma_burst_length = 16, + .clk_init = macb_sifive_clk_init, +}; + static const struct udevice_id macb_eth_ids[] = { { .compatible = "cdns,macb" }, { .compatible = "cdns,at91sam9260-macb" }, { .compatible = "atmel,sama5d2-gem" }, { .compatible = "atmel,sama5d3-gem" }, - { .compatible = "atmel,sama5d4-gem" }, + { .compatible = "atmel,sama5d4-gem", .data = (ulong)&sama5d4_config }, { .compatible = "cdns,zynq-gem" }, + { .compatible = "sifive,fu540-c000-gem", + .data = (ulong)&sifive_config }, { } }; diff --git a/drivers/net/macb.h b/drivers/net/macb.h index 3cc27f8560..9b16383eba 100644 --- a/drivers/net/macb.h +++ b/drivers/net/macb.h @@ -5,221 +5,410 @@ #ifndef __DRIVERS_MACB_H__ #define __DRIVERS_MACB_H__ +#define MACB_GREGS_NBR 16 +#define MACB_GREGS_VERSION 2 +#define MACB_MAX_QUEUES 8 + /* MACB register offsets */ -#define MACB_NCR 0x0000 -#define MACB_NCFGR 0x0004 -#define MACB_NSR 0x0008 -#define GEM_UR 0x000c -#define MACB_DMACFG 0x0010 -#define MACB_TSR 0x0014 -#define MACB_RBQP 0x0018 -#define MACB_TBQP 0x001c -#define MACB_RSR 0x0020 -#define MACB_ISR 0x0024 -#define MACB_IER 0x0028 -#define MACB_IDR 0x002c -#define MACB_IMR 0x0030 -#define MACB_MAN 0x0034 -#define MACB_PTR 0x0038 -#define MACB_PFR 0x003c -#define MACB_FTO 0x0040 -#define MACB_SCF 0x0044 -#define MACB_MCF 0x0048 -#define MACB_FRO 0x004c -#define MACB_FCSE 0x0050 -#define MACB_ALE 0x0054 -#define MACB_DTF 0x0058 -#define MACB_LCOL 0x005c -#define MACB_EXCOL 0x0060 -#define MACB_TUND 0x0064 -#define MACB_CSE 0x0068 -#define MACB_RRE 0x006c -#define MACB_ROVR 0x0070 -#define MACB_RSE 0x0074 -#define MACB_ELE 0x0078 -#define MACB_RJA 0x007c -#define MACB_USF 0x0080 -#define MACB_STE 0x0084 -#define MACB_RLE 0x0088 -#define MACB_TPF 0x008c -#define MACB_HRB 0x0090 -#define MACB_HRT 0x0094 -#define MACB_SA1B 0x0098 -#define MACB_SA1T 0x009c -#define MACB_SA2B 0x00a0 -#define MACB_SA2T 0x00a4 -#define MACB_SA3B 0x00a8 -#define MACB_SA3T 0x00ac -#define MACB_SA4B 0x00b0 -#define MACB_SA4T 0x00b4 -#define MACB_TID 0x00b8 -#define MACB_TPQ 0x00bc -#define MACB_USRIO 0x00c0 -#define MACB_WOL 0x00c4 -#define MACB_MID 0x00fc - -/* GEM specific register offsets */ -#define GEM_DCFG1 0x0280 -#define GEM_DCFG6 0x0294 - -#define MACB_MAX_QUEUES 8 - -/* GEM specific multi queues register offset */ -/* hw_q can be 0~7 */ -#define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2)) +#define MACB_NCR 0x0000 /* Network Control */ +#define MACB_NCFGR 0x0004 /* Network Config */ +#define MACB_NSR 0x0008 /* Network Status */ +#define MACB_TAR 0x000c /* AT91RM9200 only */ +#define MACB_TCR 0x0010 /* AT91RM9200 only */ +#define MACB_TSR 0x0014 /* Transmit Status */ +#define MACB_RBQP 0x0018 /* RX Q Base Address */ +#define MACB_TBQP 0x001c /* TX Q Base Address */ +#define MACB_RSR 0x0020 /* Receive Status */ +#define MACB_ISR 0x0024 /* Interrupt Status */ +#define MACB_IER 0x0028 /* Interrupt Enable */ +#define MACB_IDR 0x002c /* Interrupt Disable */ +#define MACB_IMR 0x0030 /* Interrupt Mask */ +#define MACB_MAN 0x0034 /* PHY Maintenance */ +#define MACB_PTR 0x0038 +#define MACB_PFR 0x003c +#define MACB_FTO 0x0040 +#define MACB_SCF 0x0044 +#define MACB_MCF 0x0048 +#define MACB_FRO 0x004c +#define MACB_FCSE 0x0050 +#define MACB_ALE 0x0054 +#define MACB_DTF 0x0058 +#define MACB_LCOL 0x005c +#define MACB_EXCOL 0x0060 +#define MACB_TUND 0x0064 +#define MACB_CSE 0x0068 +#define MACB_RRE 0x006c +#define MACB_ROVR 0x0070 +#define MACB_RSE 0x0074 +#define MACB_ELE 0x0078 +#define MACB_RJA 0x007c +#define MACB_USF 0x0080 +#define MACB_STE 0x0084 +#define MACB_RLE 0x0088 +#define MACB_TPF 0x008c +#define MACB_HRB 0x0090 +#define MACB_HRT 0x0094 +#define MACB_SA1B 0x0098 +#define MACB_SA1T 0x009c +#define MACB_SA2B 0x00a0 +#define MACB_SA2T 0x00a4 +#define MACB_SA3B 0x00a8 +#define MACB_SA3T 0x00ac +#define MACB_SA4B 0x00b0 +#define MACB_SA4T 0x00b4 +#define MACB_TID 0x00b8 +#define MACB_TPQ 0x00bc +#define MACB_USRIO 0x00c0 +#define MACB_WOL 0x00c4 +#define MACB_MID 0x00fc +#define MACB_TBQPH 0x04C8 +#define MACB_RBQPH 0x04D4 + +/* GEM register offsets. */ +#define GEM_NCFGR 0x0004 /* Network Config */ +#define GEM_USRIO 0x000c /* User IO */ +#define GEM_DMACFG 0x0010 /* DMA Configuration */ +#define GEM_JML 0x0048 /* Jumbo Max Length */ +#define GEM_HRB 0x0080 /* Hash Bottom */ +#define GEM_HRT 0x0084 /* Hash Top */ +#define GEM_SA1B 0x0088 /* Specific1 Bottom */ +#define GEM_SA1T 0x008C /* Specific1 Top */ +#define GEM_SA2B 0x0090 /* Specific2 Bottom */ +#define GEM_SA2T 0x0094 /* Specific2 Top */ +#define GEM_SA3B 0x0098 /* Specific3 Bottom */ +#define GEM_SA3T 0x009C /* Specific3 Top */ +#define GEM_SA4B 0x00A0 /* Specific4 Bottom */ +#define GEM_SA4T 0x00A4 /* Specific4 Top */ +#define GEM_EFTSH 0x00e8 /* PTP Event Frame Transmitted Seconds Register 47:32 */ +#define GEM_EFRSH 0x00ec /* PTP Event Frame Received Seconds Register 47:32 */ +#define GEM_PEFTSH 0x00f0 /* PTP Peer Event Frame Transmitted Seconds Register 47:32 */ +#define GEM_PEFRSH 0x00f4 /* PTP Peer Event Frame Received Seconds Register 47:32 */ +#define GEM_OTX 0x0100 /* Octets transmitted */ +#define GEM_OCTTXL 0x0100 /* Octets transmitted [31:0] */ +#define GEM_OCTTXH 0x0104 /* Octets transmitted [47:32] */ +#define GEM_TXCNT 0x0108 /* Frames Transmitted counter */ +#define GEM_TXBCCNT 0x010c /* Broadcast Frames counter */ +#define GEM_TXMCCNT 0x0110 /* Multicast Frames counter */ +#define GEM_TXPAUSECNT 0x0114 /* Pause Frames Transmitted Counter */ +#define GEM_TX64CNT 0x0118 /* 64 byte Frames TX counter */ +#define GEM_TX65CNT 0x011c /* 65-127 byte Frames TX counter */ +#define GEM_TX128CNT 0x0120 /* 128-255 byte Frames TX counter */ +#define GEM_TX256CNT 0x0124 /* 256-511 byte Frames TX counter */ +#define GEM_TX512CNT 0x0128 /* 512-1023 byte Frames TX counter */ +#define GEM_TX1024CNT 0x012c /* 1024-1518 byte Frames TX counter */ +#define GEM_TX1519CNT 0x0130 /* 1519+ byte Frames TX counter */ +#define GEM_TXURUNCNT 0x0134 /* TX under run error counter */ +#define GEM_SNGLCOLLCNT 0x0138 /* Single Collision Frame Counter */ +#define GEM_MULTICOLLCNT 0x013c /* Multiple Collision Frame Counter */ +#define GEM_EXCESSCOLLCNT 0x0140 /* Excessive Collision Frame Counter */ +#define GEM_LATECOLLCNT 0x0144 /* Late Collision Frame Counter */ +#define GEM_TXDEFERCNT 0x0148 /* Deferred Transmission Frame Counter */ +#define GEM_TXCSENSECNT 0x014c /* Carrier Sense Error Counter */ +#define GEM_ORX 0x0150 /* Octets received */ +#define GEM_OCTRXL 0x0150 /* Octets received [31:0] */ +#define GEM_OCTRXH 0x0154 /* Octets received [47:32] */ +#define GEM_RXCNT 0x0158 /* Frames Received Counter */ +#define GEM_RXBROADCNT 0x015c /* Broadcast Frames Received Counter */ +#define GEM_RXMULTICNT 0x0160 /* Multicast Frames Received Counter */ +#define GEM_RXPAUSECNT 0x0164 /* Pause Frames Received Counter */ +#define GEM_RX64CNT 0x0168 /* 64 byte Frames RX Counter */ +#define GEM_RX65CNT 0x016c /* 65-127 byte Frames RX Counter */ +#define GEM_RX128CNT 0x0170 /* 128-255 byte Frames RX Counter */ +#define GEM_RX256CNT 0x0174 /* 256-511 byte Frames RX Counter */ +#define GEM_RX512CNT 0x0178 /* 512-1023 byte Frames RX Counter */ +#define GEM_RX1024CNT 0x017c /* 1024-1518 byte Frames RX Counter */ +#define GEM_RX1519CNT 0x0180 /* 1519+ byte Frames RX Counter */ +#define GEM_RXUNDRCNT 0x0184 /* Undersize Frames Received Counter */ +#define GEM_RXOVRCNT 0x0188 /* Oversize Frames Received Counter */ +#define GEM_RXJABCNT 0x018c /* Jabbers Received Counter */ +#define GEM_RXFCSCNT 0x0190 /* Frame Check Sequence Error Counter */ +#define GEM_RXLENGTHCNT 0x0194 /* Length Field Error Counter */ +#define GEM_RXSYMBCNT 0x0198 /* Symbol Error Counter */ +#define GEM_RXALIGNCNT 0x019c /* Alignment Error Counter */ +#define GEM_RXRESERRCNT 0x01a0 /* Receive Resource Error Counter */ +#define GEM_RXORCNT 0x01a4 /* Receive Overrun Counter */ +#define GEM_RXIPCCNT 0x01a8 /* IP header Checksum Error Counter */ +#define GEM_RXTCPCCNT 0x01ac /* TCP Checksum Error Counter */ +#define GEM_RXUDPCCNT 0x01b0 /* UDP Checksum Error Counter */ +#define GEM_TISUBN 0x01bc /* 1588 Timer Increment Sub-ns */ +#define GEM_TSH 0x01c0 /* 1588 Timer Seconds High */ +#define GEM_TSL 0x01d0 /* 1588 Timer Seconds Low */ +#define GEM_TN 0x01d4 /* 1588 Timer Nanoseconds */ +#define GEM_TA 0x01d8 /* 1588 Timer Adjust */ +#define GEM_TI 0x01dc /* 1588 Timer Increment */ +#define GEM_EFTSL 0x01e0 /* PTP Event Frame Tx Seconds Low */ +#define GEM_EFTN 0x01e4 /* PTP Event Frame Tx Nanoseconds */ +#define GEM_EFRSL 0x01e8 /* PTP Event Frame Rx Seconds Low */ +#define GEM_EFRN 0x01ec /* PTP Event Frame Rx Nanoseconds */ +#define GEM_PEFTSL 0x01f0 /* PTP Peer Event Frame Tx Secs Low */ +#define GEM_PEFTN 0x01f4 /* PTP Peer Event Frame Tx Ns */ +#define GEM_PEFRSL 0x01f8 /* PTP Peer Event Frame Rx Sec Low */ +#define GEM_PEFRN 0x01fc /* PTP Peer Event Frame Rx Ns */ +#define GEM_DCFG1 0x0280 /* Design Config 1 */ +#define GEM_DCFG2 0x0284 /* Design Config 2 */ +#define GEM_DCFG3 0x0288 /* Design Config 3 */ +#define GEM_DCFG4 0x028c /* Design Config 4 */ +#define GEM_DCFG5 0x0290 /* Design Config 5 */ +#define GEM_DCFG6 0x0294 /* Design Config 6 */ +#define GEM_DCFG7 0x0298 /* Design Config 7 */ +#define GEM_DCFG8 0x029C /* Design Config 8 */ +#define GEM_DCFG10 0x02A4 /* Design Config 10 */ + +#define GEM_TXBDCTRL 0x04cc /* TX Buffer Descriptor control register */ +#define GEM_RXBDCTRL 0x04d0 /* RX Buffer Descriptor control register */ + +/* Screener Type 2 match registers */ +#define GEM_SCRT2 0x540 + +/* EtherType registers */ +#define GEM_ETHT 0x06E0 + +/* Type 2 compare registers */ +#define GEM_T2CMPW0 0x0700 +#define GEM_T2CMPW1 0x0704 +#define T2CMP_OFST(t2idx) (t2idx * 2) + +/* type 2 compare registers + * each location requires 3 compare regs + */ +#define GEM_IP4SRC_CMP(idx) (idx * 3) +#define GEM_IP4DST_CMP(idx) (idx * 3 + 1) +#define GEM_PORT_CMP(idx) (idx * 3 + 2) + +/* Which screening type 2 EtherType register will be used (0 - 7) */ +#define SCRT2_ETHT 0 + +#define GEM_ISR(hw_q) (0x0400 + ((hw_q) << 2)) +#define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2)) +#define GEM_TBQPH(hw_q) (0x04C8) +#define GEM_RBQP(hw_q) (0x0480 + ((hw_q) << 2)) +#define GEM_RBQS(hw_q) (0x04A0 + ((hw_q) << 2)) +#define GEM_RBQPH(hw_q) (0x04D4) +#define GEM_IER(hw_q) (0x0600 + ((hw_q) << 2)) +#define GEM_IDR(hw_q) (0x0620 + ((hw_q) << 2)) +#define GEM_IMR(hw_q) (0x0640 + ((hw_q) << 2)) /* Bitfields in NCR */ -#define MACB_LB_OFFSET 0 -#define MACB_LB_SIZE 1 -#define MACB_LLB_OFFSET 1 -#define MACB_LLB_SIZE 1 -#define MACB_RE_OFFSET 2 -#define MACB_RE_SIZE 1 -#define MACB_TE_OFFSET 3 -#define MACB_TE_SIZE 1 -#define MACB_MPE_OFFSET 4 -#define MACB_MPE_SIZE 1 -#define MACB_CLRSTAT_OFFSET 5 -#define MACB_CLRSTAT_SIZE 1 -#define MACB_INCSTAT_OFFSET 6 -#define MACB_INCSTAT_SIZE 1 -#define MACB_WESTAT_OFFSET 7 -#define MACB_WESTAT_SIZE 1 -#define MACB_BP_OFFSET 8 -#define MACB_BP_SIZE 1 -#define MACB_TSTART_OFFSET 9 -#define MACB_TSTART_SIZE 1 -#define MACB_THALT_OFFSET 10 -#define MACB_THALT_SIZE 1 -#define MACB_NCR_TPF_OFFSET 11 -#define MACB_NCR_TPF_SIZE 1 -#define MACB_TZQ_OFFSET 12 -#define MACB_TZQ_SIZE 1 +#define MACB_LB_OFFSET 0 /* reserved */ +#define MACB_LB_SIZE 1 +#define MACB_LLB_OFFSET 1 /* Loop back local */ +#define MACB_LLB_SIZE 1 +#define MACB_RE_OFFSET 2 /* Receive enable */ +#define MACB_RE_SIZE 1 +#define MACB_TE_OFFSET 3 /* Transmit enable */ +#define MACB_TE_SIZE 1 +#define MACB_MPE_OFFSET 4 /* Management port enable */ +#define MACB_MPE_SIZE 1 +#define MACB_CLRSTAT_OFFSET 5 /* Clear stats regs */ +#define MACB_CLRSTAT_SIZE 1 +#define MACB_INCSTAT_OFFSET 6 /* Incremental stats regs */ +#define MACB_INCSTAT_SIZE 1 +#define MACB_WESTAT_OFFSET 7 /* Write enable stats regs */ +#define MACB_WESTAT_SIZE 1 +#define MACB_BP_OFFSET 8 /* Back pressure */ +#define MACB_BP_SIZE 1 +#define MACB_TSTART_OFFSET 9 /* Start transmission */ +#define MACB_TSTART_SIZE 1 +#define MACB_THALT_OFFSET 10 /* Transmit halt */ +#define MACB_THALT_SIZE 1 +#define MACB_NCR_TPF_OFFSET 11 /* Transmit pause frame */ +#define MACB_NCR_TPF_SIZE 1 +#define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */ +#define MACB_TZQ_SIZE 1 +#define MACB_SRTSM_OFFSET 15 +#define MACB_OSSMODE_OFFSET 24 /* Enable One Step Synchro Mode */ +#define MACB_OSSMODE_SIZE 1 /* Bitfields in NCFGR */ -#define MACB_SPD_OFFSET 0 -#define MACB_SPD_SIZE 1 -#define MACB_FD_OFFSET 1 -#define MACB_FD_SIZE 1 -#define MACB_BIT_RATE_OFFSET 2 -#define MACB_BIT_RATE_SIZE 1 -#define MACB_JFRAME_OFFSET 3 -#define MACB_JFRAME_SIZE 1 -#define MACB_CAF_OFFSET 4 -#define MACB_CAF_SIZE 1 -#define MACB_NBC_OFFSET 5 -#define MACB_NBC_SIZE 1 -#define MACB_NCFGR_MTI_OFFSET 6 -#define MACB_NCFGR_MTI_SIZE 1 -#define MACB_UNI_OFFSET 7 -#define MACB_UNI_SIZE 1 -#define MACB_BIG_OFFSET 8 -#define MACB_BIG_SIZE 1 -#define MACB_EAE_OFFSET 9 -#define MACB_EAE_SIZE 1 -#define MACB_CLK_OFFSET 10 -#define MACB_CLK_SIZE 2 -#define MACB_RTY_OFFSET 12 -#define MACB_RTY_SIZE 1 -#define MACB_PAE_OFFSET 13 -#define MACB_PAE_SIZE 1 -#define MACB_RBOF_OFFSET 14 -#define MACB_RBOF_SIZE 2 -#define MACB_RLCE_OFFSET 16 -#define MACB_RLCE_SIZE 1 -#define MACB_DRFCS_OFFSET 17 -#define MACB_DRFCS_SIZE 1 -#define MACB_EFRHD_OFFSET 18 -#define MACB_EFRHD_SIZE 1 -#define MACB_IRXFCS_OFFSET 19 -#define MACB_IRXFCS_SIZE 1 - -#define GEM_GBE_OFFSET 10 -#define GEM_GBE_SIZE 1 -#define GEM_CLK_OFFSET 18 -#define GEM_CLK_SIZE 3 -#define GEM_DBW_OFFSET 21 -#define GEM_DBW_SIZE 2 +#define MACB_SPD_OFFSET 0 /* Speed */ +#define MACB_SPD_SIZE 1 +#define MACB_FD_OFFSET 1 /* Full duplex */ +#define MACB_FD_SIZE 1 +#define MACB_BIT_RATE_OFFSET 2 /* Discard non-VLAN frames */ +#define MACB_BIT_RATE_SIZE 1 +#define MACB_JFRAME_OFFSET 3 /* reserved */ +#define MACB_JFRAME_SIZE 1 +#define MACB_CAF_OFFSET 4 /* Copy all frames */ +#define MACB_CAF_SIZE 1 +#define MACB_NBC_OFFSET 5 /* No broadcast */ +#define MACB_NBC_SIZE 1 +#define MACB_NCFGR_MTI_OFFSET 6 /* Multicast hash enable */ +#define MACB_NCFGR_MTI_SIZE 1 +#define MACB_UNI_OFFSET 7 /* Unicast hash enable */ +#define MACB_UNI_SIZE 1 +#define MACB_BIG_OFFSET 8 /* Receive 1536 byte frames */ +#define MACB_BIG_SIZE 1 +#define MACB_EAE_OFFSET 9 /* External address match enable */ +#define MACB_EAE_SIZE 1 +#define MACB_CLK_OFFSET 10 +#define MACB_CLK_SIZE 2 +#define MACB_RTY_OFFSET 12 /* Retry test */ +#define MACB_RTY_SIZE 1 +#define MACB_PAE_OFFSET 13 /* Pause enable */ +#define MACB_PAE_SIZE 1 +#define MACB_RM9200_RMII_OFFSET 13 /* AT91RM9200 only */ +#define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */ +#define MACB_RBOF_OFFSET 14 /* Receive buffer offset */ +#define MACB_RBOF_SIZE 2 +#define MACB_RLCE_OFFSET 16 /* Length field error frame discard */ +#define MACB_RLCE_SIZE 1 +#define MACB_DRFCS_OFFSET 17 /* FCS remove */ +#define MACB_DRFCS_SIZE 1 +#define MACB_EFRHD_OFFSET 18 +#define MACB_EFRHD_SIZE 1 +#define MACB_IRXFCS_OFFSET 19 +#define MACB_IRXFCS_SIZE 1 + +/* GEM specific NCFGR bitfields. */ +#define GEM_GBE_OFFSET 10 /* Gigabit mode enable */ +#define GEM_GBE_SIZE 1 +#define GEM_PCSSEL_OFFSET 11 +#define GEM_PCSSEL_SIZE 1 +#define GEM_CLK_OFFSET 18 /* MDC clock division */ +#define GEM_CLK_SIZE 3 +#define GEM_DBW_OFFSET 21 /* Data bus width */ +#define GEM_DBW_SIZE 2 +#define GEM_RXCOEN_OFFSET 24 +#define GEM_RXCOEN_SIZE 1 +#define GEM_SGMIIEN_OFFSET 27 +#define GEM_SGMIIEN_SIZE 1 + + +/* Constants for data bus width. */ +#define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */ +#define GEM_DBW64 1 /* 64 bit AMBA AHB data bus width */ +#define GEM_DBW128 2 /* 128 bit AMBA AHB data bus width */ + +/* Bitfields in DMACFG. */ +#define GEM_FBLDO_OFFSET 0 /* fixed burst length for DMA */ +#define GEM_FBLDO_SIZE 5 +#define GEM_ENDIA_DESC_OFFSET 6 /* endian swap mode for management descriptor access */ +#define GEM_ENDIA_DESC_SIZE 1 +#define GEM_ENDIA_PKT_OFFSET 7 /* endian swap mode for packet data access */ +#define GEM_ENDIA_PKT_SIZE 1 +#define GEM_RXBMS_OFFSET 8 /* RX packet buffer memory size select */ +#define GEM_RXBMS_SIZE 2 +#define GEM_TXPBMS_OFFSET 10 /* TX packet buffer memory size select */ +#define GEM_TXPBMS_SIZE 1 +#define GEM_TXCOEN_OFFSET 11 /* TX IP/TCP/UDP checksum gen offload */ +#define GEM_TXCOEN_SIZE 1 +#define GEM_RXBS_OFFSET 16 /* DMA receive buffer size */ +#define GEM_RXBS_SIZE 8 +#define GEM_DDRP_OFFSET 24 /* disc_when_no_ahb */ +#define GEM_DDRP_SIZE 1 +#define GEM_RXEXT_OFFSET 28 /* RX extended Buffer Descriptor mode */ +#define GEM_RXEXT_SIZE 1 +#define GEM_TXEXT_OFFSET 29 /* TX extended Buffer Descriptor mode */ +#define GEM_TXEXT_SIZE 1 +#define GEM_ADDR64_OFFSET 30 /* Address bus width - 64b or 32b */ +#define GEM_ADDR64_SIZE 1 + /* Bitfields in NSR */ -#define MACB_NSR_LINK_OFFSET 0 -#define MACB_NSR_LINK_SIZE 1 -#define MACB_MDIO_OFFSET 1 -#define MACB_MDIO_SIZE 1 -#define MACB_IDLE_OFFSET 2 -#define MACB_IDLE_SIZE 1 - -/* Bitfields in UR */ -#define GEM_RGMII_OFFSET 0 -#define GEM_RGMII_SIZE 1 +#define MACB_NSR_LINK_OFFSET 0 /* pcs_link_state */ +#define MACB_NSR_LINK_SIZE 1 +#define MACB_MDIO_OFFSET 1 /* status of the mdio_in pin */ +#define MACB_MDIO_SIZE 1 +#define MACB_IDLE_OFFSET 2 /* The PHY management logic is idle */ +#define MACB_IDLE_SIZE 1 /* Bitfields in TSR */ -#define MACB_UBR_OFFSET 0 -#define MACB_UBR_SIZE 1 -#define MACB_COL_OFFSET 1 -#define MACB_COL_SIZE 1 -#define MACB_TSR_RLE_OFFSET 2 -#define MACB_TSR_RLE_SIZE 1 -#define MACB_TGO_OFFSET 3 -#define MACB_TGO_SIZE 1 -#define MACB_BEX_OFFSET 4 -#define MACB_BEX_SIZE 1 -#define MACB_COMP_OFFSET 5 -#define MACB_COMP_SIZE 1 -#define MACB_UND_OFFSET 6 -#define MACB_UND_SIZE 1 +#define MACB_UBR_OFFSET 0 /* Used bit read */ +#define MACB_UBR_SIZE 1 +#define MACB_COL_OFFSET 1 /* Collision occurred */ +#define MACB_COL_SIZE 1 +#define MACB_TSR_RLE_OFFSET 2 /* Retry limit exceeded */ +#define MACB_TSR_RLE_SIZE 1 +#define MACB_TGO_OFFSET 3 /* Transmit go */ +#define MACB_TGO_SIZE 1 +#define MACB_BEX_OFFSET 4 /* TX frame corruption due to AHB error */ +#define MACB_BEX_SIZE 1 +#define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */ +#define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */ +#define MACB_COMP_OFFSET 5 /* Trnasmit complete */ +#define MACB_COMP_SIZE 1 +#define MACB_UND_OFFSET 6 /* Trnasmit under run */ +#define MACB_UND_SIZE 1 /* Bitfields in RSR */ -#define MACB_BNA_OFFSET 0 -#define MACB_BNA_SIZE 1 -#define MACB_REC_OFFSET 1 -#define MACB_REC_SIZE 1 -#define MACB_OVR_OFFSET 2 -#define MACB_OVR_SIZE 1 +#define MACB_BNA_OFFSET 0 /* Buffer not available */ +#define MACB_BNA_SIZE 1 +#define MACB_REC_OFFSET 1 /* Frame received */ +#define MACB_REC_SIZE 1 +#define MACB_OVR_OFFSET 2 /* Receive overrun */ +#define MACB_OVR_SIZE 1 /* Bitfields in ISR/IER/IDR/IMR */ -#define MACB_MFD_OFFSET 0 -#define MACB_MFD_SIZE 1 -#define MACB_RCOMP_OFFSET 1 -#define MACB_RCOMP_SIZE 1 -#define MACB_RXUBR_OFFSET 2 -#define MACB_RXUBR_SIZE 1 -#define MACB_TXUBR_OFFSET 3 -#define MACB_TXUBR_SIZE 1 -#define MACB_ISR_TUND_OFFSET 4 -#define MACB_ISR_TUND_SIZE 1 -#define MACB_ISR_RLE_OFFSET 5 -#define MACB_ISR_RLE_SIZE 1 -#define MACB_TXERR_OFFSET 6 -#define MACB_TXERR_SIZE 1 -#define MACB_TCOMP_OFFSET 7 -#define MACB_TCOMP_SIZE 1 -#define MACB_ISR_LINK_OFFSET 9 -#define MACB_ISR_LINK_SIZE 1 -#define MACB_ISR_ROVR_OFFSET 10 -#define MACB_ISR_ROVR_SIZE 1 -#define MACB_HRESP_OFFSET 11 -#define MACB_HRESP_SIZE 1 -#define MACB_PFR_OFFSET 12 -#define MACB_PFR_SIZE 1 -#define MACB_PTZ_OFFSET 13 -#define MACB_PTZ_SIZE 1 +#define MACB_MFD_OFFSET 0 /* Management frame sent */ +#define MACB_MFD_SIZE 1 +#define MACB_RCOMP_OFFSET 1 /* Receive complete */ +#define MACB_RCOMP_SIZE 1 +#define MACB_RXUBR_OFFSET 2 /* RX used bit read */ +#define MACB_RXUBR_SIZE 1 +#define MACB_TXUBR_OFFSET 3 /* TX used bit read */ +#define MACB_TXUBR_SIZE 1 +#define MACB_ISR_TUND_OFFSET 4 /* Enable TX buffer under run interrupt */ +#define MACB_ISR_TUND_SIZE 1 +#define MACB_ISR_RLE_OFFSET 5 /* EN retry exceeded/late coll interrupt */ +#define MACB_ISR_RLE_SIZE 1 +#define MACB_TXERR_OFFSET 6 /* EN TX frame corrupt from error interrupt */ +#define MACB_TXERR_SIZE 1 +#define MACB_TCOMP_OFFSET 7 /* Enable transmit complete interrupt */ +#define MACB_TCOMP_SIZE 1 +#define MACB_ISR_LINK_OFFSET 9 /* Enable link change interrupt */ +#define MACB_ISR_LINK_SIZE 1 +#define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun interrupt */ +#define MACB_ISR_ROVR_SIZE 1 +#define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK interrupt */ +#define MACB_HRESP_SIZE 1 +#define MACB_PFR_OFFSET 12 /* Enable pause frame w/ quantum interrupt */ +#define MACB_PFR_SIZE 1 +#define MACB_PTZ_OFFSET 13 /* Enable pause time zero interrupt */ +#define MACB_PTZ_SIZE 1 +#define MACB_WOL_OFFSET 14 /* Enable wake-on-lan interrupt */ +#define MACB_WOL_SIZE 1 +#define MACB_DRQFR_OFFSET 18 /* PTP Delay Request Frame Received */ +#define MACB_DRQFR_SIZE 1 +#define MACB_SFR_OFFSET 19 /* PTP Sync Frame Received */ +#define MACB_SFR_SIZE 1 +#define MACB_DRQFT_OFFSET 20 /* PTP Delay Request Frame Transmitted */ +#define MACB_DRQFT_SIZE 1 +#define MACB_SFT_OFFSET 21 /* PTP Sync Frame Transmitted */ +#define MACB_SFT_SIZE 1 +#define MACB_PDRQFR_OFFSET 22 /* PDelay Request Frame Received */ +#define MACB_PDRQFR_SIZE 1 +#define MACB_PDRSFR_OFFSET 23 /* PDelay Response Frame Received */ +#define MACB_PDRSFR_SIZE 1 +#define MACB_PDRQFT_OFFSET 24 /* PDelay Request Frame Transmitted */ +#define MACB_PDRQFT_SIZE 1 +#define MACB_PDRSFT_OFFSET 25 /* PDelay Response Frame Transmitted */ +#define MACB_PDRSFT_SIZE 1 +#define MACB_SRI_OFFSET 26 /* TSU Seconds Register Increment */ +#define MACB_SRI_SIZE 1 + +/* Timer increment fields */ +#define MACB_TI_CNS_OFFSET 0 +#define MACB_TI_CNS_SIZE 8 +#define MACB_TI_ACNS_OFFSET 8 +#define MACB_TI_ACNS_SIZE 8 +#define MACB_TI_NIT_OFFSET 16 +#define MACB_TI_NIT_SIZE 8 /* Bitfields in MAN */ -#define MACB_DATA_OFFSET 0 -#define MACB_DATA_SIZE 16 -#define MACB_CODE_OFFSET 16 -#define MACB_CODE_SIZE 2 -#define MACB_REGA_OFFSET 18 -#define MACB_REGA_SIZE 5 -#define MACB_PHYA_OFFSET 23 -#define MACB_PHYA_SIZE 5 -#define MACB_RW_OFFSET 28 -#define MACB_RW_SIZE 2 -#define MACB_SOF_OFFSET 30 -#define MACB_SOF_SIZE 2 - -/* Bitfields in USRIO */ +#define MACB_DATA_OFFSET 0 /* data */ +#define MACB_DATA_SIZE 16 +#define MACB_CODE_OFFSET 16 /* Must be written to 10 */ +#define MACB_CODE_SIZE 2 +#define MACB_REGA_OFFSET 18 /* Register address */ +#define MACB_REGA_SIZE 5 +#define MACB_PHYA_OFFSET 23 /* PHY address */ +#define MACB_PHYA_SIZE 5 +#define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 is write. */ +#define MACB_RW_SIZE 2 +#define MACB_SOF_OFFSET 30 /* Must be written to 1 for Clause 22 */ +#define MACB_SOF_SIZE 2 + +/* Bitfields in USRIO (AVR32) */ #define MACB_MII_OFFSET 0 #define MACB_MII_SIZE 1 #define MACB_EAM_OFFSET 1 @@ -232,6 +421,8 @@ /* Bitfields in USRIO (AT91) */ #define MACB_RMII_OFFSET 0 #define MACB_RMII_SIZE 1 +#define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */ +#define GEM_RGMII_SIZE 1 #define MACB_CLKEN_OFFSET 1 #define MACB_CLKEN_SIZE 1 @@ -249,17 +440,166 @@ /* Bitfields in MID */ #define MACB_IDNUM_OFFSET 16 -#define MACB_IDNUM_SIZE 16 +#define MACB_IDNUM_SIZE 12 +#define MACB_REV_OFFSET 0 +#define MACB_REV_SIZE 16 -/* Bitfields in DCFG1 */ +/* Bitfields in DCFG1. */ +#define GEM_IRQCOR_OFFSET 23 +#define GEM_IRQCOR_SIZE 1 #define GEM_DBWDEF_OFFSET 25 #define GEM_DBWDEF_SIZE 3 -/* constants for data bus width */ -#define GEM_DBW32 0 -#define GEM_DBW64 1 -#define GEM_DBW128 2 +/* Bitfields in DCFG2. */ +#define GEM_RX_PKT_BUFF_OFFSET 20 +#define GEM_RX_PKT_BUFF_SIZE 1 +#define GEM_TX_PKT_BUFF_OFFSET 21 +#define GEM_TX_PKT_BUFF_SIZE 1 + + +/* Bitfields in DCFG5. */ +#define GEM_TSU_OFFSET 8 +#define GEM_TSU_SIZE 1 + +/* Bitfields in DCFG6. */ +#define GEM_PBUF_LSO_OFFSET 27 +#define GEM_PBUF_LSO_SIZE 1 +#define GEM_DAW64_OFFSET 23 +#define GEM_DAW64_SIZE 1 + +/* Bitfields in DCFG8. */ +#define GEM_T1SCR_OFFSET 24 +#define GEM_T1SCR_SIZE 8 +#define GEM_T2SCR_OFFSET 16 +#define GEM_T2SCR_SIZE 8 +#define GEM_SCR2ETH_OFFSET 8 +#define GEM_SCR2ETH_SIZE 8 +#define GEM_SCR2CMP_OFFSET 0 +#define GEM_SCR2CMP_SIZE 8 + +/* Bitfields in DCFG10 */ +#define GEM_TXBD_RDBUFF_OFFSET 12 +#define GEM_TXBD_RDBUFF_SIZE 4 +#define GEM_RXBD_RDBUFF_OFFSET 8 +#define GEM_RXBD_RDBUFF_SIZE 4 + +/* Bitfields in TISUBN */ +#define GEM_SUBNSINCR_OFFSET 0 +#define GEM_SUBNSINCR_SIZE 16 + +/* Bitfields in TI */ +#define GEM_NSINCR_OFFSET 0 +#define GEM_NSINCR_SIZE 8 + +/* Bitfields in TSH */ +#define GEM_TSH_OFFSET 0 /* TSU timer value (s). MSB [47:32] of seconds timer count */ +#define GEM_TSH_SIZE 16 + +/* Bitfields in TSL */ +#define GEM_TSL_OFFSET 0 /* TSU timer value (s). LSB [31:0] of seconds timer count */ +#define GEM_TSL_SIZE 32 +/* Bitfields in TN */ +#define GEM_TN_OFFSET 0 /* TSU timer value (ns) */ +#define GEM_TN_SIZE 30 + +/* Bitfields in TXBDCTRL */ +#define GEM_TXTSMODE_OFFSET 4 /* TX Descriptor Timestamp Insertion mode */ +#define GEM_TXTSMODE_SIZE 2 + +/* Bitfields in RXBDCTRL */ +#define GEM_RXTSMODE_OFFSET 4 /* RX Descriptor Timestamp Insertion mode */ +#define GEM_RXTSMODE_SIZE 2 + +/* Bitfields in SCRT2 */ +#define GEM_QUEUE_OFFSET 0 /* Queue Number */ +#define GEM_QUEUE_SIZE 4 +#define GEM_VLANPR_OFFSET 4 /* VLAN Priority */ +#define GEM_VLANPR_SIZE 3 +#define GEM_VLANEN_OFFSET 8 /* VLAN Enable */ +#define GEM_VLANEN_SIZE 1 +#define GEM_ETHT2IDX_OFFSET 9 /* Index to screener type 2 EtherType register */ +#define GEM_ETHT2IDX_SIZE 3 +#define GEM_ETHTEN_OFFSET 12 /* EtherType Enable */ +#define GEM_ETHTEN_SIZE 1 +#define GEM_CMPA_OFFSET 13 /* Compare A - Index to screener type 2 Compare register */ +#define GEM_CMPA_SIZE 5 +#define GEM_CMPAEN_OFFSET 18 /* Compare A Enable */ +#define GEM_CMPAEN_SIZE 1 +#define GEM_CMPB_OFFSET 19 /* Compare B - Index to screener type 2 Compare register */ +#define GEM_CMPB_SIZE 5 +#define GEM_CMPBEN_OFFSET 24 /* Compare B Enable */ +#define GEM_CMPBEN_SIZE 1 +#define GEM_CMPC_OFFSET 25 /* Compare C - Index to screener type 2 Compare register */ +#define GEM_CMPC_SIZE 5 +#define GEM_CMPCEN_OFFSET 30 /* Compare C Enable */ +#define GEM_CMPCEN_SIZE 1 + +/* Bitfields in ETHT */ +#define GEM_ETHTCMP_OFFSET 0 /* EtherType compare value */ +#define GEM_ETHTCMP_SIZE 16 + +/* Bitfields in T2CMPW0 */ +#define GEM_T2CMP_OFFSET 16 /* 0xFFFF0000 compare value */ +#define GEM_T2CMP_SIZE 16 +#define GEM_T2MASK_OFFSET 0 /* 0x0000FFFF compare value or mask */ +#define GEM_T2MASK_SIZE 16 + +/* Bitfields in T2CMPW1 */ +#define GEM_T2DISMSK_OFFSET 9 /* disable mask */ +#define GEM_T2DISMSK_SIZE 1 +#define GEM_T2CMPOFST_OFFSET 7 /* compare offset */ +#define GEM_T2CMPOFST_SIZE 2 +#define GEM_T2OFST_OFFSET 0 /* offset value */ +#define GEM_T2OFST_SIZE 7 + +/* Offset for screener type 2 compare values (T2CMPOFST). + * Note the offset is applied after the specified point, + * e.g. GEM_T2COMPOFST_ETYPE denotes the EtherType field, so an offset + * of 12 bytes from this would be the source IP address in an IP header + */ +#define GEM_T2COMPOFST_SOF 0 +#define GEM_T2COMPOFST_ETYPE 1 +#define GEM_T2COMPOFST_IPHDR 2 +#define GEM_T2COMPOFST_TCPUDP 3 + +/* offset from EtherType to IP address */ +#define ETYPE_SRCIP_OFFSET 12 +#define ETYPE_DSTIP_OFFSET 16 + +/* offset from IP header to port */ +#define IPHDR_SRCPORT_OFFSET 0 +#define IPHDR_DSTPORT_OFFSET 2 + +/* Transmit DMA buffer descriptor Word 1 */ +#define GEM_DMA_TXVALID_OFFSET 23 /* timestamp has been captured in the Buffer Descriptor */ +#define GEM_DMA_TXVALID_SIZE 1 + +/* Receive DMA buffer descriptor Word 0 */ +#define GEM_DMA_RXVALID_OFFSET 2 /* indicates a valid timestamp in the Buffer Descriptor */ +#define GEM_DMA_RXVALID_SIZE 1 + +/* DMA buffer descriptor Word 2 (32 bit addressing) or Word 4 (64 bit addressing) */ +#define GEM_DMA_SECL_OFFSET 30 /* Timestamp seconds[1:0] */ +#define GEM_DMA_SECL_SIZE 2 +#define GEM_DMA_NSEC_OFFSET 0 /* Timestamp nanosecs [29:0] */ +#define GEM_DMA_NSEC_SIZE 30 + +/* DMA buffer descriptor Word 3 (32 bit addressing) or Word 5 (64 bit addressing) */ + +/* New hardware supports 12 bit precision of timestamp in DMA buffer descriptor. + * Old hardware supports only 6 bit precision but it is enough for PTP. + * Less accuracy is used always instead of checking hardware version. + */ +#define GEM_DMA_SECH_OFFSET 0 /* Timestamp seconds[5:2] */ +#define GEM_DMA_SECH_SIZE 4 +#define GEM_DMA_SEC_WIDTH (GEM_DMA_SECH_SIZE + GEM_DMA_SECL_SIZE) +#define GEM_DMA_SEC_TOP (1 << GEM_DMA_SEC_WIDTH) +#define GEM_DMA_SEC_MASK (GEM_DMA_SEC_TOP - 1) + +/* Bitfields in ADJ */ +#define GEM_ADDSUB_OFFSET 31 +#define GEM_ADDSUB_SIZE 1 /* Constants for CLK */ #define MACB_CLK_DIV8 0 #define MACB_CLK_DIV16 1 @@ -273,6 +613,8 @@ #define GEM_CLK_DIV48 3 #define GEM_CLK_DIV64 4 #define GEM_CLK_DIV96 5 +#define GEM_CLK_DIV128 6 +#define GEM_CLK_DIV224 7 /* Constants for MAN register */ #define MACB_MAN_SOF 1 @@ -280,19 +622,38 @@ #define MACB_MAN_READ 2 #define MACB_MAN_CODE 2 +/* Capability mask bits */ +#define MACB_CAPS_ISR_CLEAR_ON_WRITE 0x00000001 +#define MACB_CAPS_USRIO_HAS_CLKEN 0x00000002 +#define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII 0x00000004 +#define MACB_CAPS_NO_GIGABIT_HALF 0x00000008 +#define MACB_CAPS_USRIO_DISABLED 0x00000010 +#define MACB_CAPS_JUMBO 0x00000020 +#define MACB_CAPS_GEM_HAS_PTP 0x00000040 +#define MACB_CAPS_BD_RD_PREFETCH 0x00000080 +#define MACB_CAPS_NEEDS_RSTONUBR 0x00000100 +#define MACB_CAPS_FIFO_MODE 0x10000000 +#define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 +#define MACB_CAPS_SG_DISABLED 0x40000000 +#define MACB_CAPS_MACB_IS_GEM 0x80000000 + +/* LSO settings */ +#define MACB_LSO_UFO_ENABLE 0x01 +#define MACB_LSO_TSO_ENABLE 0x02 + /* Bit manipulation macros */ #define MACB_BIT(name) \ (1 << MACB_##name##_OFFSET) -#define MACB_BF(name, value) \ +#define MACB_BF(name,value) \ (((value) & ((1 << MACB_##name##_SIZE) - 1)) \ << MACB_##name##_OFFSET) -#define MACB_BFEXT(name, value)\ +#define MACB_BFEXT(name,value)\ (((value) >> MACB_##name##_OFFSET) \ & ((1 << MACB_##name##_SIZE) - 1)) -#define MACB_BFINS(name, value, old) \ +#define MACB_BFINS(name,value,old) \ (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \ << MACB_##name##_OFFSET)) \ - | MACB_BF(name, value)) + | MACB_BF(name,value)) #define GEM_BIT(name) \ (1 << GEM_##name##_OFFSET) @@ -316,6 +677,95 @@ readl((port)->regs + GEM_##reg) #define gem_writel(port, reg, value) \ writel((value), (port)->regs + GEM_##reg) + +/* DMA descriptor bitfields */ +#define MACB_RX_USED_OFFSET 0 +#define MACB_RX_USED_SIZE 1 +#define MACB_RX_WRAP_OFFSET 1 +#define MACB_RX_WRAP_SIZE 1 +#define MACB_RX_WADDR_OFFSET 2 +#define MACB_RX_WADDR_SIZE 30 + +#define MACB_RX_FRMLEN_OFFSET 0 +#define MACB_RX_FRMLEN_SIZE 12 +#define MACB_RX_OFFSET_OFFSET 12 +#define MACB_RX_OFFSET_SIZE 2 +#define MACB_RX_SOF_OFFSET 14 +#define MACB_RX_SOF_SIZE 1 +#define MACB_RX_EOF_OFFSET 15 +#define MACB_RX_EOF_SIZE 1 +#define MACB_RX_CFI_OFFSET 16 +#define MACB_RX_CFI_SIZE 1 +#define MACB_RX_VLAN_PRI_OFFSET 17 +#define MACB_RX_VLAN_PRI_SIZE 3 +#define MACB_RX_PRI_TAG_OFFSET 20 +#define MACB_RX_PRI_TAG_SIZE 1 +#define MACB_RX_VLAN_TAG_OFFSET 21 +#define MACB_RX_VLAN_TAG_SIZE 1 +#define MACB_RX_TYPEID_MATCH_OFFSET 22 +#define MACB_RX_TYPEID_MATCH_SIZE 1 +#define MACB_RX_SA4_MATCH_OFFSET 23 +#define MACB_RX_SA4_MATCH_SIZE 1 +#define MACB_RX_SA3_MATCH_OFFSET 24 +#define MACB_RX_SA3_MATCH_SIZE 1 +#define MACB_RX_SA2_MATCH_OFFSET 25 +#define MACB_RX_SA2_MATCH_SIZE 1 +#define MACB_RX_SA1_MATCH_OFFSET 26 +#define MACB_RX_SA1_MATCH_SIZE 1 +#define MACB_RX_EXT_MATCH_OFFSET 28 +#define MACB_RX_EXT_MATCH_SIZE 1 +#define MACB_RX_UHASH_MATCH_OFFSET 29 +#define MACB_RX_UHASH_MATCH_SIZE 1 +#define MACB_RX_MHASH_MATCH_OFFSET 30 +#define MACB_RX_MHASH_MATCH_SIZE 1 +#define MACB_RX_BROADCAST_OFFSET 31 +#define MACB_RX_BROADCAST_SIZE 1 + +#define MACB_RX_FRMLEN_MASK 0xFFF +#define MACB_RX_JFRMLEN_MASK 0x3FFF + +/* RX checksum offload disabled: bit 24 clear in NCFGR */ +#define GEM_RX_TYPEID_MATCH_OFFSET 22 +#define GEM_RX_TYPEID_MATCH_SIZE 2 + +/* RX checksum offload enabled: bit 24 set in NCFGR */ +#define GEM_RX_CSUM_OFFSET 22 +#define GEM_RX_CSUM_SIZE 2 + +#define MACB_TX_FRMLEN_OFFSET 0 +#define MACB_TX_FRMLEN_SIZE 11 +#define MACB_TX_LAST_OFFSET 15 +#define MACB_TX_LAST_SIZE 1 +#define MACB_TX_NOCRC_OFFSET 16 +#define MACB_TX_NOCRC_SIZE 1 +#define MACB_MSS_MFS_OFFSET 16 +#define MACB_MSS_MFS_SIZE 14 +#define MACB_TX_LSO_OFFSET 17 +#define MACB_TX_LSO_SIZE 2 +#define MACB_TX_TCP_SEQ_SRC_OFFSET 19 +#define MACB_TX_TCP_SEQ_SRC_SIZE 1 +#define MACB_TX_BUF_EXHAUSTED_OFFSET 27 +#define MACB_TX_BUF_EXHAUSTED_SIZE 1 +#define MACB_TX_UNDERRUN_OFFSET 28 +#define MACB_TX_UNDERRUN_SIZE 1 +#define MACB_TX_ERROR_OFFSET 29 +#define MACB_TX_ERROR_SIZE 1 +#define MACB_TX_WRAP_OFFSET 30 +#define MACB_TX_WRAP_SIZE 1 +#define MACB_TX_USED_OFFSET 31 +#define MACB_TX_USED_SIZE 1 + +#define GEM_TX_FRMLEN_OFFSET 0 +#define GEM_TX_FRMLEN_SIZE 14 + +/* Buffer descriptor constants */ +#define GEM_RX_CSUM_NONE 0 +#define GEM_RX_CSUM_IP_ONLY 1 +#define GEM_RX_CSUM_IP_TCP 2 +#define GEM_RX_CSUM_IP_UDP 3 + +/* limit RX checksum offload to TCP and UDP packets */ +#define GEM_RX_CSUM_CHECKED_MASK 2 #define gem_writel_queue_TBQP(port, value, queue_num) \ writel((value), (port)->regs + GEM_TBQP(queue_num)) diff --git a/drivers/net/sun8i_emac.c b/drivers/net/sun8i_emac.c index c0a440886e..0629b16e57 100644 --- a/drivers/net/sun8i_emac.c +++ b/drivers/net/sun8i_emac.c @@ -846,31 +846,44 @@ static const struct eth_ops sun8i_emac_eth_ops = { static int sun8i_get_ephy_nodes(struct emac_eth_dev *priv) { - int node, ret; + int emac_node, ephy_node, ret, ephy_handle; + + emac_node = fdt_path_offset(gd->fdt_blob, + "/soc/ethernet@1c30000"); + if (emac_node < 0) { + debug("failed to get emac node\n"); + return emac_node; + } + ephy_handle = fdtdec_lookup_phandle(gd->fdt_blob, + emac_node, "phy-handle"); /* look for mdio-mux node for internal PHY node */ - node = fdt_path_offset(gd->fdt_blob, - "/soc/ethernet@1c30000/mdio-mux/mdio@1/ethernet-phy@1"); - if (node < 0) { + ephy_node = fdt_path_offset(gd->fdt_blob, + "/soc/ethernet@1c30000/mdio-mux/mdio@1/ethernet-phy@1"); + if (ephy_node < 0) { debug("failed to get mdio-mux with internal PHY\n"); - return node; + return ephy_node; } - ret = fdt_node_check_compatible(gd->fdt_blob, node, + /* This is not the phy we are looking for */ + if (ephy_node != ephy_handle) + return 0; + + ret = fdt_node_check_compatible(gd->fdt_blob, ephy_node, "allwinner,sun8i-h3-mdio-internal"); if (ret < 0) { debug("failed to find mdio-internal node\n"); return ret; } - ret = clk_get_by_index_nodev(offset_to_ofnode(node), 0, + ret = clk_get_by_index_nodev(offset_to_ofnode(ephy_node), 0, &priv->ephy_clk); if (ret) { dev_err(dev, "failed to get EPHY TX clock\n"); return ret; } - ret = reset_get_by_index_nodev(offset_to_ofnode(node), 0, + ret = reset_get_by_index_nodev(offset_to_ofnode(ephy_node), 0, &priv->ephy_rst); if (ret) { dev_err(dev, "failed to get EPHY TX reset\n"); diff --git a/drivers/net/ti/davinci_emac.c b/drivers/net/ti/davinci_emac.c index 9d53984973..2bd9c51079 100644 --- a/drivers/net/ti/davinci_emac.c +++ b/drivers/net/ti/davinci_emac.c @@ -26,7 +26,6 @@ #include <net.h> #include <miiphy.h> #include <malloc.h> -#include <netdev.h> #include <linux/compiler.h> #include <asm/arch/emac_defs.h> #include <asm/io.h> @@ -107,8 +106,9 @@ static u_int8_t num_phy; phy_t phy[CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT]; -static int davinci_eth_set_mac_addr(struct eth_device *dev) +static int davinci_emac_write_hwaddr(struct udevice *dev) { + struct eth_pdata *pdata = dev_get_platdata(dev); unsigned long mac_hi; unsigned long mac_lo; @@ -118,12 +118,12 @@ static int davinci_eth_set_mac_addr(struct eth_device *dev) * Using channel 0 only - other channels are disabled * */ writel(0, &adap_emac->MACINDEX); - mac_hi = (dev->enetaddr[3] << 24) | - (dev->enetaddr[2] << 16) | - (dev->enetaddr[1] << 8) | - (dev->enetaddr[0]); - mac_lo = (dev->enetaddr[5] << 8) | - (dev->enetaddr[4]); + mac_hi = (pdata->enetaddr[3] << 24) | + (pdata->enetaddr[2] << 16) | + (pdata->enetaddr[1] << 8) | + (pdata->enetaddr[0]); + mac_lo = (pdata->enetaddr[5] << 8) | + (pdata->enetaddr[4]); writel(mac_hi, &adap_emac->MACADDRHI); #if defined(DAVINCI_EMAC_VERSION2) @@ -411,7 +411,7 @@ static void __attribute__((unused)) davinci_eth_gigabit_enable(int phy_addr) } /* Eth device open */ -static int davinci_eth_open(struct eth_device *dev, bd_t *bis) +static int davinci_emac_start(struct udevice *dev) { dv_reg_p addr; u_int32_t clkdiv, cnt, mac_control; @@ -447,7 +447,7 @@ static int davinci_eth_open(struct eth_device *dev, bd_t *bis) writel(1, &adap_emac->TXCONTROL); writel(1, &adap_emac->RXCONTROL); - davinci_eth_set_mac_addr(dev); + davinci_emac_write_hwaddr(dev); /* Set DMA 8 TX / 8 RX Head pointers to 0 */ addr = &adap_emac->TX0HDP; @@ -588,7 +588,7 @@ static void davinci_eth_ch_teardown(int ch) } /* Eth device close */ -static void davinci_eth_close(struct eth_device *dev) +static void davinci_emac_stop(struct udevice *dev) { debug_emac("+ emac_close\n"); @@ -619,8 +619,8 @@ static int tx_send_loop = 0; * This function sends a single packet on the network and returns * positive number (number of bytes transmitted) or negative for error */ -static int davinci_eth_send_packet (struct eth_device *dev, - void *packet, int length) +static int davinci_emac_send(struct udevice *dev, + void *packet, int length) { int ret_status = -1; int index; @@ -672,7 +672,7 @@ static int davinci_eth_send_packet (struct eth_device *dev, /* * This function handles receipt of a packet from the network */ -static int davinci_eth_rcv_packet (struct eth_device *dev) +static int davinci_emac_recv(struct udevice *dev, int flags, uchar **packetp) { volatile emac_desc *rx_curr_desc; volatile emac_desc *curr_desc; @@ -682,6 +682,7 @@ static int davinci_eth_rcv_packet (struct eth_device *dev) rx_curr_desc = emac_rx_active_head; if (!rx_curr_desc) return 0; + *packetp = rx_curr_desc->buffer; status = rx_curr_desc->pkt_flag_len; if ((status & EMAC_CPPI_OWNERSHIP_BIT) == 0) { if (status & EMAC_CPPI_RX_ERROR_FRAME) { @@ -693,7 +694,6 @@ static int davinci_eth_rcv_packet (struct eth_device *dev) rx_curr_desc->buff_off_len & 0xffff; invalidate_dcache_range(tmp, tmp + ALIGN(len, PKTALIGN)); - net_process_received_packet(rx_curr_desc->buffer, len); ret = len; } @@ -742,6 +742,7 @@ static int davinci_eth_rcv_packet (struct eth_device *dev) } return (ret); } + return (0); } @@ -750,30 +751,12 @@ static int davinci_eth_rcv_packet (struct eth_device *dev) * EMAC modules power or pin multiplexors, that is done by board_init() * much earlier in bootup process. Returns 1 on success, 0 otherwise. */ -int davinci_emac_initialize(void) +static int davinci_emac_probe(struct udevice *dev) { u_int32_t phy_id; u_int16_t tmp; int i; int ret; - struct eth_device *dev; - - dev = malloc(sizeof *dev); - - if (dev == NULL) - return -1; - - memset(dev, 0, sizeof *dev); - strcpy(dev->name, "DaVinci-EMAC"); - - dev->iobase = 0; - dev->init = davinci_eth_open; - dev->halt = davinci_eth_close; - dev->send = davinci_eth_send_packet; - dev->recv = davinci_eth_rcv_packet; - dev->write_hwaddr = davinci_eth_set_mac_addr; - - eth_register(dev); davinci_eth_mdio_enable(); @@ -854,5 +837,29 @@ int davinci_emac_initialize(void) phy[i].auto_negotiate(i); } #endif - return(1); + return 0; } + +static const struct eth_ops davinci_emac_ops = { + .start = davinci_emac_start, + .send = davinci_emac_send, + .recv = davinci_emac_recv, + .stop = davinci_emac_stop, + .write_hwaddr = davinci_emac_write_hwaddr, +}; + +static const struct udevice_id davinci_emac_ids[] = { + { .compatible = "ti,davinci-dm6467-emac" }, + { .compatible = "ti,am3517-emac", }, + { .compatible = "ti,dm816-emac", }, + { } +}; + +U_BOOT_DRIVER(davinci_emac) = { + .name = "davinci_emac", + .id = UCLASS_ETH, + .of_match = davinci_emac_ids, + .probe = davinci_emac_probe, + .ops = &davinci_emac_ops, + .platdata_auto_alloc_size = sizeof(struct eth_pdata), +}; diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c index 06a9b4fb03..f85cdcb97e 100644 --- a/drivers/net/tsec.c +++ b/drivers/net/tsec.c @@ -259,8 +259,8 @@ static int tsec_send(struct udevice *dev, void *packet, int length) { struct tsec_private *priv = (struct tsec_private *)dev->priv; struct tsec __iomem *regs = priv->regs; - u16 status; int result = 0; + u16 status; int i; /* Find an empty buffer descriptor */ @@ -268,7 +268,7 @@ static int tsec_send(struct udevice *dev, void *packet, int length) in_be16(&priv->txbd[priv->tx_idx].status) & TXBD_READY; i++) { if (i >= TOUT_LOOP) { - debug("%s: tsec: tx buffers full\n", dev->name); + printf("%s: tsec: tx buffers full\n", dev->name); return result; } } @@ -287,7 +287,7 @@ static int tsec_send(struct udevice *dev, void *packet, int length) in_be16(&priv->txbd[priv->tx_idx].status) & TXBD_READY; i++) { if (i >= TOUT_LOOP) { - debug("%s: tsec: tx error\n", dev->name); + printf("%s: tsec: tx error\n", dev->name); return result; } } @@ -560,6 +560,8 @@ static int tsec_init(struct udevice *dev) struct tsec_private *priv = (struct tsec_private *)dev->priv; #ifdef CONFIG_DM_ETH struct eth_pdata *pdata = dev_get_platdata(dev); +#else + struct eth_device *pdata = dev; #endif struct tsec __iomem *regs = priv->regs; u32 tempval; @@ -580,21 +582,12 @@ static int tsec_init(struct udevice *dev) * 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); -#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); @@ -708,9 +701,9 @@ static int init_phy(struct tsec_private *priv) */ static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info) { + struct tsec_private *priv; struct eth_device *dev; int i; - struct tsec_private *priv; dev = (struct eth_device *)malloc(sizeof(*dev)); @@ -794,12 +787,14 @@ int tsec_standard_init(bd_t *bis) #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 tsec_private *priv = dev_get_priv(dev); struct ofnode_phandle_args phandle_args; - ofnode parent; + u32 tbiaddr = CONFIG_SYS_TBIPA_VALUE; + struct fsl_pq_mdio_info mdio_info; const char *phy_mode; + fdt_addr_t reg; + ofnode parent; int ret; pdata->iobase = (phys_addr_t)dev_read_addr(dev); @@ -807,7 +802,7 @@ int tsec_probe(struct udevice *dev) 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); + printf("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); @@ -816,29 +811,27 @@ int tsec_probe(struct udevice *dev) } 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"); + if (!ofnode_valid(parent)) { + printf("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; - } + reg = ofnode_get_addr_index(parent, 0); + priv->phyregs_sgmii = (struct tsec_mii_mng *) + (reg + TSEC_MDIO_REGS_OFFSET); + + ret = dev_read_phandle_with_args(dev, "tbi-handle", NULL, 0, 0, + &phandle_args); + if (ret == 0) + ofnode_read_u32(phandle_args.node, "reg", &tbiaddr); + + priv->tbiaddr = tbiaddr; 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); + printf("Invalid PHY interface '%s'\n", phy_mode); return -EINVAL; } priv->interface = pdata->phy_interface; @@ -887,7 +880,7 @@ static const struct eth_ops tsec_ops = { }; static const struct udevice_id tsec_ids[] = { - { .compatible = "fsl,tsec" }, + { .compatible = "fsl,etsec2" }, { } }; |