upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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796 lines
20 KiB
796 lines
20 KiB
/*
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* Copyright 2009-2012 Freescale Semiconductor, Inc.
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* Dave Liu <daveliu@freescale.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <malloc.h>
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#include <net.h>
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#include <hwconfig.h>
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#include <fm_eth.h>
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#include <fsl_mdio.h>
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#include <miiphy.h>
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#include <phy.h>
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#include <fsl_dtsec.h>
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#include <fsl_tgec.h>
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#include <fsl_memac.h>
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#include "fm.h"
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static struct eth_device *devlist[NUM_FM_PORTS];
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static int num_controllers;
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#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
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#define TBIANA_SETTINGS (TBIANA_ASYMMETRIC_PAUSE | TBIANA_SYMMETRIC_PAUSE | \
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TBIANA_FULL_DUPLEX)
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#define TBIANA_SGMII_ACK 0x4001
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#define TBICR_SETTINGS (TBICR_ANEG_ENABLE | TBICR_RESTART_ANEG | \
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TBICR_FULL_DUPLEX | TBICR_SPEED1_SET)
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/* Configure the TBI for SGMII operation */
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static void dtsec_configure_serdes(struct fm_eth *priv)
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{
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#ifdef CONFIG_SYS_FMAN_V3
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u32 value;
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struct mii_dev bus;
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bus.priv = priv->mac->phyregs;
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bool sgmii_2500 = (priv->enet_if ==
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PHY_INTERFACE_MODE_SGMII_2500) ? true : false;
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int i = 0;
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qsgmii_loop:
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/* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */
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if (sgmii_2500)
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value = PHY_SGMII_CR_PHY_RESET |
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PHY_SGMII_IF_SPEED_GIGABIT |
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PHY_SGMII_IF_MODE_SGMII;
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else
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value = PHY_SGMII_IF_MODE_SGMII | PHY_SGMII_IF_MODE_AN;
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memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x14, value);
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/* Dev ability according to SGMII specification */
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value = PHY_SGMII_DEV_ABILITY_SGMII;
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memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x4, value);
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if (sgmii_2500) {
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/* Adjust link timer for 2.5G SGMII,
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* 1.6 ms in units of 3.2 ns:
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* 1.6ms / 3.2ns = 5 * 10^5 = 0x7a120.
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*/
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memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x0007);
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memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0xa120);
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} else {
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/* Adjust link timer for SGMII,
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* 1.6 ms in units of 8 ns:
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* 1.6ms / 8ns = 2 * 10^5 = 0x30d40.
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*/
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memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x0003);
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memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0x0d40);
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}
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/* Restart AN */
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value = PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN;
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memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0, value);
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if ((priv->enet_if == PHY_INTERFACE_MODE_QSGMII) && (i < 3)) {
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i++;
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goto qsgmii_loop;
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}
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#else
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struct dtsec *regs = priv->mac->base;
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struct tsec_mii_mng *phyregs = priv->mac->phyregs;
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/*
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* Access TBI PHY registers at given TSEC register offset as
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* opposed to the register offset used for external PHY accesses
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*/
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tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0, TBI_TBICON,
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TBICON_CLK_SELECT);
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tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0, TBI_ANA,
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TBIANA_SGMII_ACK);
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tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0,
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TBI_CR, TBICR_SETTINGS);
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#endif
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}
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static void dtsec_init_phy(struct eth_device *dev)
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{
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struct fm_eth *fm_eth = dev->priv;
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#ifndef CONFIG_SYS_FMAN_V3
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struct dtsec *regs = (struct dtsec *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR;
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/* Assign a Physical address to the TBI */
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out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE);
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#endif
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if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII ||
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fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII ||
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fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500)
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dtsec_configure_serdes(fm_eth);
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}
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#ifdef CONFIG_PHYLIB
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static int tgec_is_fibre(struct eth_device *dev)
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{
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struct fm_eth *fm = dev->priv;
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char phyopt[20];
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sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1);
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return hwconfig_arg_cmp(phyopt, "xfi");
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}
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#endif
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#endif
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static u16 muram_readw(u16 *addr)
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{
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ulong base = (ulong)addr & ~0x3UL;
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u32 val32 = in_be32((void *)base);
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int byte_pos;
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u16 ret;
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byte_pos = (ulong)addr & 0x3UL;
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if (byte_pos)
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ret = (u16)(val32 & 0x0000ffff);
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else
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ret = (u16)((val32 & 0xffff0000) >> 16);
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return ret;
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}
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static void muram_writew(u16 *addr, u16 val)
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{
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ulong base = (ulong)addr & ~0x3UL;
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u32 org32 = in_be32((void *)base);
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u32 val32;
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int byte_pos;
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byte_pos = (ulong)addr & 0x3UL;
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if (byte_pos)
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val32 = (org32 & 0xffff0000) | val;
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else
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val32 = (org32 & 0x0000ffff) | ((u32)val << 16);
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out_be32((void *)base, val32);
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}
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static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port)
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{
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int timeout = 1000000;
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clrbits_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_EN);
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/* wait until the rx port is not busy */
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while ((in_be32(&rx_port->fmbm_rst) & FMBM_RST_BSY) && timeout--)
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;
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}
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static void bmi_rx_port_init(struct fm_bmi_rx_port *rx_port)
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{
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/* set BMI to independent mode, Rx port disable */
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out_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_IM);
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/* clear FOF in IM case */
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out_be32(&rx_port->fmbm_rim, 0);
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/* Rx frame next engine -RISC */
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out_be32(&rx_port->fmbm_rfne, NIA_ENG_RISC | NIA_RISC_AC_IM_RX);
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/* Rx command attribute - no order, MR[3] = 1 */
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clrbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_ORDER | FMBM_RFCA_MR_MASK);
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setbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_MR(4));
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/* enable Rx statistic counters */
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out_be32(&rx_port->fmbm_rstc, FMBM_RSTC_EN);
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/* disable Rx performance counters */
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out_be32(&rx_port->fmbm_rpc, 0);
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}
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static void bmi_tx_port_disable(struct fm_bmi_tx_port *tx_port)
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{
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int timeout = 1000000;
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clrbits_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_EN);
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/* wait until the tx port is not busy */
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while ((in_be32(&tx_port->fmbm_tst) & FMBM_TST_BSY) && timeout--)
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;
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}
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static void bmi_tx_port_init(struct fm_bmi_tx_port *tx_port)
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{
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/* set BMI to independent mode, Tx port disable */
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out_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_IM);
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/* Tx frame next engine -RISC */
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out_be32(&tx_port->fmbm_tfne, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
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out_be32(&tx_port->fmbm_tfene, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
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/* Tx command attribute - no order, MR[3] = 1 */
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clrbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_ORDER | FMBM_TFCA_MR_MASK);
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setbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_MR(4));
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/* enable Tx statistic counters */
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out_be32(&tx_port->fmbm_tstc, FMBM_TSTC_EN);
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/* disable Tx performance counters */
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out_be32(&tx_port->fmbm_tpc, 0);
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}
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static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth)
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{
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struct fm_port_global_pram *pram;
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u32 pram_page_offset;
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void *rx_bd_ring_base;
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void *rx_buf_pool;
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u32 bd_ring_base_lo, bd_ring_base_hi;
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u32 buf_lo, buf_hi;
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struct fm_port_bd *rxbd;
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struct fm_port_qd *rxqd;
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struct fm_bmi_rx_port *bmi_rx_port = fm_eth->rx_port;
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int i;
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/* alloc global parameter ram at MURAM */
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pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
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FM_PRAM_SIZE, FM_PRAM_ALIGN);
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if (!pram) {
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printf("%s: No muram for Rx global parameter\n", __func__);
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return -ENOMEM;
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}
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fm_eth->rx_pram = pram;
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/* parameter page offset to MURAM */
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pram_page_offset = (void *)pram - fm_muram_base(fm_eth->fm_index);
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/* enable global mode- snooping data buffers and BDs */
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out_be32(&pram->mode, PRAM_MODE_GLOBAL);
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/* init the Rx queue descriptor pionter */
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out_be32(&pram->rxqd_ptr, pram_page_offset + 0x20);
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/* set the max receive buffer length, power of 2 */
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muram_writew(&pram->mrblr, MAX_RXBUF_LOG2);
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/* alloc Rx buffer descriptors from main memory */
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rx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
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* RX_BD_RING_SIZE);
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if (!rx_bd_ring_base)
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return -ENOMEM;
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memset(rx_bd_ring_base, 0, sizeof(struct fm_port_bd)
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* RX_BD_RING_SIZE);
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/* alloc Rx buffer from main memory */
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rx_buf_pool = malloc(MAX_RXBUF_LEN * RX_BD_RING_SIZE);
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if (!rx_buf_pool)
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return -ENOMEM;
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memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE);
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debug("%s: rx_buf_pool = %p\n", __func__, rx_buf_pool);
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/* save them to fm_eth */
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fm_eth->rx_bd_ring = rx_bd_ring_base;
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fm_eth->cur_rxbd = rx_bd_ring_base;
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fm_eth->rx_buf = rx_buf_pool;
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/* init Rx BDs ring */
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rxbd = (struct fm_port_bd *)rx_bd_ring_base;
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for (i = 0; i < RX_BD_RING_SIZE; i++) {
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muram_writew(&rxbd->status, RxBD_EMPTY);
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muram_writew(&rxbd->len, 0);
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buf_hi = upper_32_bits(virt_to_phys(rx_buf_pool +
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i * MAX_RXBUF_LEN));
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buf_lo = lower_32_bits(virt_to_phys(rx_buf_pool +
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i * MAX_RXBUF_LEN));
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muram_writew(&rxbd->buf_ptr_hi, (u16)buf_hi);
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out_be32(&rxbd->buf_ptr_lo, buf_lo);
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rxbd++;
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}
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/* set the Rx queue descriptor */
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rxqd = &pram->rxqd;
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muram_writew(&rxqd->gen, 0);
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bd_ring_base_hi = upper_32_bits(virt_to_phys(rx_bd_ring_base));
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bd_ring_base_lo = lower_32_bits(virt_to_phys(rx_bd_ring_base));
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muram_writew(&rxqd->bd_ring_base_hi, (u16)bd_ring_base_hi);
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out_be32(&rxqd->bd_ring_base_lo, bd_ring_base_lo);
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muram_writew(&rxqd->bd_ring_size, sizeof(struct fm_port_bd)
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* RX_BD_RING_SIZE);
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muram_writew(&rxqd->offset_in, 0);
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muram_writew(&rxqd->offset_out, 0);
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/* set IM parameter ram pointer to Rx Frame Queue ID */
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out_be32(&bmi_rx_port->fmbm_rfqid, pram_page_offset);
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return 0;
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}
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static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth)
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{
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struct fm_port_global_pram *pram;
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u32 pram_page_offset;
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void *tx_bd_ring_base;
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u32 bd_ring_base_lo, bd_ring_base_hi;
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struct fm_port_bd *txbd;
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struct fm_port_qd *txqd;
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struct fm_bmi_tx_port *bmi_tx_port = fm_eth->tx_port;
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int i;
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/* alloc global parameter ram at MURAM */
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pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
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FM_PRAM_SIZE, FM_PRAM_ALIGN);
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if (!pram) {
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printf("%s: No muram for Tx global parameter\n", __func__);
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return -ENOMEM;
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}
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fm_eth->tx_pram = pram;
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/* parameter page offset to MURAM */
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pram_page_offset = (void *)pram - fm_muram_base(fm_eth->fm_index);
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/* enable global mode- snooping data buffers and BDs */
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out_be32(&pram->mode, PRAM_MODE_GLOBAL);
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/* init the Tx queue descriptor pionter */
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out_be32(&pram->txqd_ptr, pram_page_offset + 0x40);
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/* alloc Tx buffer descriptors from main memory */
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tx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
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* TX_BD_RING_SIZE);
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if (!tx_bd_ring_base)
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return -ENOMEM;
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memset(tx_bd_ring_base, 0, sizeof(struct fm_port_bd)
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* TX_BD_RING_SIZE);
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/* save it to fm_eth */
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fm_eth->tx_bd_ring = tx_bd_ring_base;
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fm_eth->cur_txbd = tx_bd_ring_base;
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/* init Tx BDs ring */
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txbd = (struct fm_port_bd *)tx_bd_ring_base;
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for (i = 0; i < TX_BD_RING_SIZE; i++) {
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muram_writew(&txbd->status, TxBD_LAST);
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muram_writew(&txbd->len, 0);
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muram_writew(&txbd->buf_ptr_hi, 0);
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out_be32(&txbd->buf_ptr_lo, 0);
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txbd++;
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}
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/* set the Tx queue decriptor */
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txqd = &pram->txqd;
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bd_ring_base_hi = upper_32_bits(virt_to_phys(tx_bd_ring_base));
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bd_ring_base_lo = lower_32_bits(virt_to_phys(tx_bd_ring_base));
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muram_writew(&txqd->bd_ring_base_hi, (u16)bd_ring_base_hi);
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out_be32(&txqd->bd_ring_base_lo, bd_ring_base_lo);
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muram_writew(&txqd->bd_ring_size, sizeof(struct fm_port_bd)
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* TX_BD_RING_SIZE);
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muram_writew(&txqd->offset_in, 0);
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muram_writew(&txqd->offset_out, 0);
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/* set IM parameter ram pointer to Tx Confirmation Frame Queue ID */
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out_be32(&bmi_tx_port->fmbm_tcfqid, pram_page_offset);
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return 0;
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}
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static int fm_eth_init(struct fm_eth *fm_eth)
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{
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int ret;
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ret = fm_eth_rx_port_parameter_init(fm_eth);
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if (ret)
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return ret;
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ret = fm_eth_tx_port_parameter_init(fm_eth);
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if (ret)
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return ret;
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return 0;
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}
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static int fm_eth_startup(struct fm_eth *fm_eth)
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{
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struct fsl_enet_mac *mac;
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int ret;
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mac = fm_eth->mac;
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/* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */
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ret = fm_eth_init(fm_eth);
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if (ret)
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return ret;
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/* setup the MAC controller */
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mac->init_mac(mac);
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/* For some reason we need to set SPEED_100 */
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if (((fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) ||
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(fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500) ||
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(fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII)) &&
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mac->set_if_mode)
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mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100);
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/* init bmi rx port, IM mode and disable */
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bmi_rx_port_init(fm_eth->rx_port);
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/* init bmi tx port, IM mode and disable */
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bmi_tx_port_init(fm_eth->tx_port);
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return 0;
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}
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static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth)
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{
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struct fm_port_global_pram *pram;
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pram = fm_eth->tx_pram;
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/* graceful stop transmission of frames */
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setbits_be32(&pram->mode, PRAM_MODE_GRACEFUL_STOP);
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sync();
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}
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static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth)
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{
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struct fm_port_global_pram *pram;
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pram = fm_eth->tx_pram;
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/* re-enable transmission of frames */
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clrbits_be32(&pram->mode, PRAM_MODE_GRACEFUL_STOP);
|
|
sync();
|
|
}
|
|
|
|
static int fm_eth_open(struct eth_device *dev, bd_t *bd)
|
|
{
|
|
struct fm_eth *fm_eth;
|
|
struct fsl_enet_mac *mac;
|
|
#ifdef CONFIG_PHYLIB
|
|
int ret;
|
|
#endif
|
|
|
|
fm_eth = (struct fm_eth *)dev->priv;
|
|
mac = fm_eth->mac;
|
|
|
|
/* setup the MAC address */
|
|
if (dev->enetaddr[0] & 0x01) {
|
|
printf("%s: MacAddress is multcast address\n", __func__);
|
|
return 1;
|
|
}
|
|
mac->set_mac_addr(mac, dev->enetaddr);
|
|
|
|
/* enable bmi Rx port */
|
|
setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
|
|
/* enable MAC rx/tx port */
|
|
mac->enable_mac(mac);
|
|
/* enable bmi Tx port */
|
|
setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
|
|
/* re-enable transmission of frame */
|
|
fmc_tx_port_graceful_stop_disable(fm_eth);
|
|
|
|
#ifdef CONFIG_PHYLIB
|
|
if (fm_eth->phydev) {
|
|
ret = phy_startup(fm_eth->phydev);
|
|
if (ret) {
|
|
printf("%s: Could not initialize\n",
|
|
fm_eth->phydev->dev->name);
|
|
return ret;
|
|
}
|
|
} else {
|
|
return 0;
|
|
}
|
|
#else
|
|
fm_eth->phydev->speed = SPEED_1000;
|
|
fm_eth->phydev->link = 1;
|
|
fm_eth->phydev->duplex = DUPLEX_FULL;
|
|
#endif
|
|
|
|
/* set the MAC-PHY mode */
|
|
mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);
|
|
|
|
if (!fm_eth->phydev->link)
|
|
printf("%s: No link.\n", fm_eth->phydev->dev->name);
|
|
|
|
return fm_eth->phydev->link ? 0 : -1;
|
|
}
|
|
|
|
static void fm_eth_halt(struct eth_device *dev)
|
|
{
|
|
struct fm_eth *fm_eth;
|
|
struct fsl_enet_mac *mac;
|
|
|
|
fm_eth = (struct fm_eth *)dev->priv;
|
|
mac = fm_eth->mac;
|
|
|
|
/* graceful stop the transmission of frames */
|
|
fmc_tx_port_graceful_stop_enable(fm_eth);
|
|
/* disable bmi Tx port */
|
|
bmi_tx_port_disable(fm_eth->tx_port);
|
|
/* disable MAC rx/tx port */
|
|
mac->disable_mac(mac);
|
|
/* disable bmi Rx port */
|
|
bmi_rx_port_disable(fm_eth->rx_port);
|
|
|
|
#ifdef CONFIG_PHYLIB
|
|
if (fm_eth->phydev)
|
|
phy_shutdown(fm_eth->phydev);
|
|
#endif
|
|
}
|
|
|
|
static int fm_eth_send(struct eth_device *dev, void *buf, int len)
|
|
{
|
|
struct fm_eth *fm_eth;
|
|
struct fm_port_global_pram *pram;
|
|
struct fm_port_bd *txbd, *txbd_base;
|
|
u16 offset_in;
|
|
int i;
|
|
|
|
fm_eth = (struct fm_eth *)dev->priv;
|
|
pram = fm_eth->tx_pram;
|
|
txbd = fm_eth->cur_txbd;
|
|
|
|
/* find one empty TxBD */
|
|
for (i = 0; muram_readw(&txbd->status) & TxBD_READY; i++) {
|
|
udelay(100);
|
|
if (i > 0x1000) {
|
|
printf("%s: Tx buffer not ready, txbd->status = 0x%x\n",
|
|
dev->name, muram_readw(&txbd->status));
|
|
return 0;
|
|
}
|
|
}
|
|
/* setup TxBD */
|
|
muram_writew(&txbd->buf_ptr_hi, (u16)upper_32_bits(virt_to_phys(buf)));
|
|
out_be32(&txbd->buf_ptr_lo, lower_32_bits(virt_to_phys(buf)));
|
|
muram_writew(&txbd->len, len);
|
|
sync();
|
|
muram_writew(&txbd->status, TxBD_READY | TxBD_LAST);
|
|
sync();
|
|
|
|
/* update TxQD, let RISC to send the packet */
|
|
offset_in = muram_readw(&pram->txqd.offset_in);
|
|
offset_in += sizeof(struct fm_port_bd);
|
|
if (offset_in >= muram_readw(&pram->txqd.bd_ring_size))
|
|
offset_in = 0;
|
|
muram_writew(&pram->txqd.offset_in, offset_in);
|
|
sync();
|
|
|
|
/* wait for buffer to be transmitted */
|
|
for (i = 0; muram_readw(&txbd->status) & TxBD_READY; i++) {
|
|
udelay(100);
|
|
if (i > 0x10000) {
|
|
printf("%s: Tx error, txbd->status = 0x%x\n",
|
|
dev->name, muram_readw(&txbd->status));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* advance the TxBD */
|
|
txbd++;
|
|
txbd_base = (struct fm_port_bd *)fm_eth->tx_bd_ring;
|
|
if (txbd >= (txbd_base + TX_BD_RING_SIZE))
|
|
txbd = txbd_base;
|
|
/* update current txbd */
|
|
fm_eth->cur_txbd = (void *)txbd;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int fm_eth_recv(struct eth_device *dev)
|
|
{
|
|
struct fm_eth *fm_eth;
|
|
struct fm_port_global_pram *pram;
|
|
struct fm_port_bd *rxbd, *rxbd_base;
|
|
u16 status, len;
|
|
u32 buf_lo, buf_hi;
|
|
u8 *data;
|
|
u16 offset_out;
|
|
int ret = 1;
|
|
|
|
fm_eth = (struct fm_eth *)dev->priv;
|
|
pram = fm_eth->rx_pram;
|
|
rxbd = fm_eth->cur_rxbd;
|
|
status = muram_readw(&rxbd->status);
|
|
|
|
while (!(status & RxBD_EMPTY)) {
|
|
if (!(status & RxBD_ERROR)) {
|
|
buf_hi = muram_readw(&rxbd->buf_ptr_hi);
|
|
buf_lo = in_be32(&rxbd->buf_ptr_lo);
|
|
data = (u8 *)((ulong)(buf_hi << 16) << 16 | buf_lo);
|
|
len = muram_readw(&rxbd->len);
|
|
net_process_received_packet(data, len);
|
|
} else {
|
|
printf("%s: Rx error\n", dev->name);
|
|
ret = 0;
|
|
}
|
|
|
|
/* clear the RxBDs */
|
|
muram_writew(&rxbd->status, RxBD_EMPTY);
|
|
muram_writew(&rxbd->len, 0);
|
|
sync();
|
|
|
|
/* advance RxBD */
|
|
rxbd++;
|
|
rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring;
|
|
if (rxbd >= (rxbd_base + RX_BD_RING_SIZE))
|
|
rxbd = rxbd_base;
|
|
/* read next status */
|
|
status = muram_readw(&rxbd->status);
|
|
|
|
/* update RxQD */
|
|
offset_out = muram_readw(&pram->rxqd.offset_out);
|
|
offset_out += sizeof(struct fm_port_bd);
|
|
if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size))
|
|
offset_out = 0;
|
|
muram_writew(&pram->rxqd.offset_out, offset_out);
|
|
sync();
|
|
}
|
|
fm_eth->cur_rxbd = (void *)rxbd;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)
|
|
{
|
|
struct fsl_enet_mac *mac;
|
|
int num;
|
|
void *base, *phyregs = NULL;
|
|
|
|
num = fm_eth->num;
|
|
|
|
#ifdef CONFIG_SYS_FMAN_V3
|
|
#ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION
|
|
if (fm_eth->type == FM_ETH_10G_E) {
|
|
/* 10GEC1/10GEC2 use mEMAC9/mEMAC10 on T2080/T4240.
|
|
* 10GEC3/10GEC4 use mEMAC1/mEMAC2 on T2080.
|
|
* 10GEC1 uses mEMAC1 on T1024.
|
|
* so it needs to change the num.
|
|
*/
|
|
if (fm_eth->num >= 2)
|
|
num -= 2;
|
|
else
|
|
num += 8;
|
|
}
|
|
#endif
|
|
base = ®->memac[num].fm_memac;
|
|
phyregs = ®->memac[num].fm_memac_mdio;
|
|
#else
|
|
/* Get the mac registers base address */
|
|
if (fm_eth->type == FM_ETH_1G_E) {
|
|
base = ®->mac_1g[num].fm_dtesc;
|
|
phyregs = ®->mac_1g[num].fm_mdio.miimcfg;
|
|
} else {
|
|
base = ®->mac_10g[num].fm_10gec;
|
|
phyregs = ®->mac_10g[num].fm_10gec_mdio;
|
|
}
|
|
#endif
|
|
|
|
/* alloc mac controller */
|
|
mac = malloc(sizeof(struct fsl_enet_mac));
|
|
if (!mac)
|
|
return -ENOMEM;
|
|
memset(mac, 0, sizeof(struct fsl_enet_mac));
|
|
|
|
/* save the mac to fm_eth struct */
|
|
fm_eth->mac = mac;
|
|
|
|
#ifdef CONFIG_SYS_FMAN_V3
|
|
init_memac(mac, base, phyregs, MAX_RXBUF_LEN);
|
|
#else
|
|
if (fm_eth->type == FM_ETH_1G_E)
|
|
init_dtsec(mac, base, phyregs, MAX_RXBUF_LEN);
|
|
else
|
|
init_tgec(mac, base, phyregs, MAX_RXBUF_LEN);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int init_phy(struct eth_device *dev)
|
|
{
|
|
struct fm_eth *fm_eth = dev->priv;
|
|
#ifdef CONFIG_PHYLIB
|
|
struct phy_device *phydev = NULL;
|
|
u32 supported;
|
|
#endif
|
|
|
|
if (fm_eth->type == FM_ETH_1G_E)
|
|
dtsec_init_phy(dev);
|
|
|
|
#ifdef CONFIG_PHYLIB
|
|
if (fm_eth->bus) {
|
|
phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev,
|
|
fm_eth->enet_if);
|
|
if (!phydev) {
|
|
printf("Failed to connect\n");
|
|
return -1;
|
|
}
|
|
} else {
|
|
return 0;
|
|
}
|
|
|
|
if (fm_eth->type == FM_ETH_1G_E) {
|
|
supported = (SUPPORTED_10baseT_Half |
|
|
SUPPORTED_10baseT_Full |
|
|
SUPPORTED_100baseT_Half |
|
|
SUPPORTED_100baseT_Full |
|
|
SUPPORTED_1000baseT_Full);
|
|
} else {
|
|
supported = SUPPORTED_10000baseT_Full;
|
|
|
|
if (tgec_is_fibre(dev))
|
|
phydev->port = PORT_FIBRE;
|
|
}
|
|
|
|
phydev->supported &= supported;
|
|
phydev->advertising = phydev->supported;
|
|
|
|
fm_eth->phydev = phydev;
|
|
|
|
phy_config(phydev);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info)
|
|
{
|
|
struct eth_device *dev;
|
|
struct fm_eth *fm_eth;
|
|
int i, num = info->num;
|
|
int ret;
|
|
|
|
/* alloc eth device */
|
|
dev = (struct eth_device *)malloc(sizeof(struct eth_device));
|
|
if (!dev)
|
|
return -ENOMEM;
|
|
memset(dev, 0, sizeof(struct eth_device));
|
|
|
|
/* alloc the FMan ethernet private struct */
|
|
fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth));
|
|
if (!fm_eth)
|
|
return -ENOMEM;
|
|
memset(fm_eth, 0, sizeof(struct fm_eth));
|
|
|
|
/* save off some things we need from the info struct */
|
|
fm_eth->fm_index = info->index - 1; /* keep as 0 based for muram */
|
|
fm_eth->num = num;
|
|
fm_eth->type = info->type;
|
|
|
|
fm_eth->rx_port = (void *)®->port[info->rx_port_id - 1].fm_bmi;
|
|
fm_eth->tx_port = (void *)®->port[info->tx_port_id - 1].fm_bmi;
|
|
|
|
/* set the ethernet max receive length */
|
|
fm_eth->max_rx_len = MAX_RXBUF_LEN;
|
|
|
|
/* init global mac structure */
|
|
ret = fm_eth_init_mac(fm_eth, reg);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */
|
|
if (fm_eth->type == FM_ETH_1G_E)
|
|
sprintf(dev->name, "FM%d@DTSEC%d", info->index, num + 1);
|
|
else
|
|
sprintf(dev->name, "FM%d@TGEC%d", info->index, num + 1);
|
|
|
|
devlist[num_controllers++] = dev;
|
|
dev->iobase = 0;
|
|
dev->priv = (void *)fm_eth;
|
|
dev->init = fm_eth_open;
|
|
dev->halt = fm_eth_halt;
|
|
dev->send = fm_eth_send;
|
|
dev->recv = fm_eth_recv;
|
|
fm_eth->dev = dev;
|
|
fm_eth->bus = info->bus;
|
|
fm_eth->phyaddr = info->phy_addr;
|
|
fm_eth->enet_if = info->enet_if;
|
|
|
|
/* startup the FM im */
|
|
ret = fm_eth_startup(fm_eth);
|
|
if (ret)
|
|
return ret;
|
|
|
|
init_phy(dev);
|
|
|
|
/* clear the ethernet address */
|
|
for (i = 0; i < 6; i++)
|
|
dev->enetaddr[i] = 0;
|
|
eth_register(dev);
|
|
|
|
return 0;
|
|
}
|
|
|