2009-06-14 17:03:46 +00:00
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/*
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* (C) Copyright 2009
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* Marvell Semiconductor <www.marvell.com>
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* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
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*
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* (C) Copyright 2003
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* Ingo Assmus <ingo.assmus@keymile.com>
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*
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* based on - Driver for MV64360X ethernet ports
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* Copyright (C) 2002 rabeeh@galileo.co.il
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <common.h>
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#include <net.h>
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#include <malloc.h>
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#include <miiphy.h>
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#include <asm/errno.h>
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#include <asm/types.h>
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#include <asm/byteorder.h>
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2010-07-12 20:24:28 +00:00
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#if defined(CONFIG_KIRKWOOD)
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2009-06-14 17:03:46 +00:00
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#include <asm/arch/kirkwood.h>
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2010-07-12 20:24:29 +00:00
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#elif defined(CONFIG_ORION5X)
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#include <asm/arch/orion5x.h>
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2010-07-12 20:24:28 +00:00
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#endif
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2010-07-12 20:24:27 +00:00
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#include "mvgbe.h"
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2009-06-14 17:03:46 +00:00
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2010-07-05 18:15:25 +00:00
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DECLARE_GLOBAL_DATA_PTR;
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2010-07-12 20:24:28 +00:00
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#define MV_PHY_ADR_REQUEST 0xee
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#define MVGBE_SMI_REG (((struct mvgbe_registers *)MVGBE0_BASE)->smi)
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2009-08-20 08:12:28 +00:00
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2009-06-14 17:03:46 +00:00
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/*
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* smi_reg_read - miiphy_read callback function.
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*
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* Returns 16bit phy register value, or 0xffff on error
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*/
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2010-07-27 22:35:08 +00:00
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static int smi_reg_read(const char *devname, u8 phy_adr, u8 reg_ofs, u16 * data)
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2009-06-14 17:03:46 +00:00
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{
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struct eth_device *dev = eth_get_dev_by_name(devname);
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2010-07-12 20:24:28 +00:00
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struct mvgbe_device *dmvgbe = to_mvgbe(dev);
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struct mvgbe_registers *regs = dmvgbe->regs;
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2009-06-14 17:03:46 +00:00
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u32 smi_reg;
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2009-07-08 11:03:18 +00:00
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u32 timeout;
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2009-06-14 17:03:46 +00:00
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/* Phyadr read request */
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2010-07-12 20:24:28 +00:00
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if (phy_adr == MV_PHY_ADR_REQUEST &&
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reg_ofs == MV_PHY_ADR_REQUEST) {
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2009-06-14 17:03:46 +00:00
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/* */
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2010-07-12 20:24:28 +00:00
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*data = (u16) (MVGBE_REG_RD(regs->phyadr) & PHYADR_MASK);
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2009-06-14 17:03:46 +00:00
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return 0;
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}
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/* check parameters */
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if (phy_adr > PHYADR_MASK) {
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printf("Err..(%s) Invalid PHY address %d\n",
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__FUNCTION__, phy_adr);
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return -EFAULT;
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}
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if (reg_ofs > PHYREG_MASK) {
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printf("Err..(%s) Invalid register offset %d\n",
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__FUNCTION__, reg_ofs);
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return -EFAULT;
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}
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2010-07-12 20:24:28 +00:00
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timeout = MVGBE_PHY_SMI_TIMEOUT;
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2009-06-14 17:03:46 +00:00
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/* wait till the SMI is not busy */
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do {
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/* read smi register */
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2010-07-12 20:24:28 +00:00
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smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
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2009-06-14 17:03:46 +00:00
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if (timeout-- == 0) {
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printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
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return -EFAULT;
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}
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2010-07-12 20:24:28 +00:00
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} while (smi_reg & MVGBE_PHY_SMI_BUSY_MASK);
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2009-06-14 17:03:46 +00:00
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/* fill the phy address and regiser offset and read opcode */
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2010-07-12 20:24:28 +00:00
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smi_reg = (phy_adr << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
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| (reg_ofs << MVGBE_SMI_REG_ADDR_OFFS)
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| MVGBE_PHY_SMI_OPCODE_READ;
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2009-06-14 17:03:46 +00:00
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/* write the smi register */
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2010-07-12 20:24:28 +00:00
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MVGBE_REG_WR(MVGBE_SMI_REG, smi_reg);
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2009-06-14 17:03:46 +00:00
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/*wait till read value is ready */
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2010-07-12 20:24:28 +00:00
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timeout = MVGBE_PHY_SMI_TIMEOUT;
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2009-06-14 17:03:46 +00:00
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do {
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/* read smi register */
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2010-07-12 20:24:28 +00:00
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smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
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2009-06-14 17:03:46 +00:00
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if (timeout-- == 0) {
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printf("Err..(%s) SMI read ready timeout\n",
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__FUNCTION__);
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return -EFAULT;
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}
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2010-07-12 20:24:28 +00:00
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} while (!(smi_reg & MVGBE_PHY_SMI_READ_VALID_MASK));
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2009-06-14 17:03:46 +00:00
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/* Wait for the data to update in the SMI register */
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2010-07-12 20:24:28 +00:00
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for (timeout = 0; timeout < MVGBE_PHY_SMI_TIMEOUT; timeout++)
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;
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2009-06-14 17:03:46 +00:00
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2010-07-12 20:24:28 +00:00
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*data = (u16) (MVGBE_REG_RD(MVGBE_SMI_REG) & MVGBE_PHY_SMI_DATA_MASK);
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2009-06-14 17:03:46 +00:00
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debug("%s:(adr %d, off %d) value= %04x\n", __FUNCTION__, phy_adr,
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reg_ofs, *data);
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return 0;
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}
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/*
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* smi_reg_write - imiiphy_write callback function.
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*
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* Returns 0 if write succeed, -EINVAL on bad parameters
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* -ETIME on timeout
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*/
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2010-07-27 22:35:08 +00:00
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static int smi_reg_write(const char *devname, u8 phy_adr, u8 reg_ofs, u16 data)
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2009-06-14 17:03:46 +00:00
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{
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struct eth_device *dev = eth_get_dev_by_name(devname);
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2010-07-12 20:24:28 +00:00
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struct mvgbe_device *dmvgbe = to_mvgbe(dev);
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struct mvgbe_registers *regs = dmvgbe->regs;
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2009-06-14 17:03:46 +00:00
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u32 smi_reg;
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2009-07-08 11:03:18 +00:00
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u32 timeout;
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2009-06-14 17:03:46 +00:00
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/* Phyadr write request*/
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2010-07-12 20:24:28 +00:00
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if (phy_adr == MV_PHY_ADR_REQUEST &&
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reg_ofs == MV_PHY_ADR_REQUEST) {
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MVGBE_REG_WR(regs->phyadr, data);
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2009-06-14 17:03:46 +00:00
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return 0;
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}
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/* check parameters */
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if (phy_adr > PHYADR_MASK) {
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printf("Err..(%s) Invalid phy address\n", __FUNCTION__);
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return -EINVAL;
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}
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if (reg_ofs > PHYREG_MASK) {
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printf("Err..(%s) Invalid register offset\n", __FUNCTION__);
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return -EINVAL;
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}
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/* wait till the SMI is not busy */
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2010-07-12 20:24:28 +00:00
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timeout = MVGBE_PHY_SMI_TIMEOUT;
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2009-06-14 17:03:46 +00:00
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do {
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/* read smi register */
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2010-07-12 20:24:28 +00:00
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smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
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2009-06-14 17:03:46 +00:00
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if (timeout-- == 0) {
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printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
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return -ETIME;
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}
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2010-07-12 20:24:28 +00:00
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} while (smi_reg & MVGBE_PHY_SMI_BUSY_MASK);
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2009-06-14 17:03:46 +00:00
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/* fill the phy addr and reg offset and write opcode and data */
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2010-07-12 20:24:28 +00:00
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smi_reg = (data << MVGBE_PHY_SMI_DATA_OFFS);
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smi_reg |= (phy_adr << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
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| (reg_ofs << MVGBE_SMI_REG_ADDR_OFFS);
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smi_reg &= ~MVGBE_PHY_SMI_OPCODE_READ;
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2009-06-14 17:03:46 +00:00
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/* write the smi register */
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2010-07-12 20:24:28 +00:00
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MVGBE_REG_WR(MVGBE_SMI_REG, smi_reg);
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2009-06-14 17:03:46 +00:00
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return 0;
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}
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/* Stop and checks all queues */
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static void stop_queue(u32 * qreg)
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{
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u32 reg_data;
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reg_data = readl(qreg);
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if (reg_data & 0xFF) {
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/* Issue stop command for active channels only */
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writel((reg_data << 8), qreg);
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/* Wait for all queue activity to terminate. */
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do {
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/*
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* Check port cause register that all queues
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* are stopped
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*/
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reg_data = readl(qreg);
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}
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while (reg_data & 0xFF);
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}
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}
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/*
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* set_access_control - Config address decode parameters for Ethernet unit
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*
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* This function configures the address decode parameters for the Gigabit
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* Ethernet Controller according the given parameters struct.
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*
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* @regs Register struct pointer.
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* @param Address decode parameter struct.
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*/
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2010-07-12 20:24:28 +00:00
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static void set_access_control(struct mvgbe_registers *regs,
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struct mvgbe_winparam *param)
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2009-06-14 17:03:46 +00:00
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{
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u32 access_prot_reg;
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/* Set access control register */
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2010-07-12 20:24:28 +00:00
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access_prot_reg = MVGBE_REG_RD(regs->epap);
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2009-06-14 17:03:46 +00:00
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/* clear window permission */
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access_prot_reg &= (~(3 << (param->win * 2)));
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access_prot_reg |= (param->access_ctrl << (param->win * 2));
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2010-07-12 20:24:28 +00:00
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MVGBE_REG_WR(regs->epap, access_prot_reg);
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2009-06-14 17:03:46 +00:00
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/* Set window Size reg (SR) */
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2010-07-12 20:24:28 +00:00
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MVGBE_REG_WR(regs->barsz[param->win].size,
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2009-06-14 17:03:46 +00:00
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(((param->size / 0x10000) - 1) << 16));
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/* Set window Base address reg (BA) */
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2010-07-12 20:24:28 +00:00
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MVGBE_REG_WR(regs->barsz[param->win].bar,
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2009-06-14 17:03:46 +00:00
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(param->target | param->attrib | param->base_addr));
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/* High address remap reg (HARR) */
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if (param->win < 4)
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2010-07-12 20:24:28 +00:00
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MVGBE_REG_WR(regs->ha_remap[param->win], param->high_addr);
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2009-06-14 17:03:46 +00:00
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/* Base address enable reg (BARER) */
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if (param->enable == 1)
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2010-07-12 20:24:28 +00:00
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MVGBE_REG_BITS_RESET(regs->bare, (1 << param->win));
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2009-06-14 17:03:46 +00:00
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else
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2010-07-12 20:24:28 +00:00
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MVGBE_REG_BITS_SET(regs->bare, (1 << param->win));
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2009-06-14 17:03:46 +00:00
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}
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2010-07-12 20:24:28 +00:00
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static void set_dram_access(struct mvgbe_registers *regs)
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2009-06-14 17:03:46 +00:00
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{
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2010-07-12 20:24:28 +00:00
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struct mvgbe_winparam win_param;
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2009-06-14 17:03:46 +00:00
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int i;
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for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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/* Set access parameters for DRAM bank i */
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win_param.win = i; /* Use Ethernet window i */
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/* Window target - DDR */
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2010-07-12 20:24:28 +00:00
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win_param.target = MVGBE_TARGET_DRAM;
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2009-06-14 17:03:46 +00:00
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/* Enable full access */
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win_param.access_ctrl = EWIN_ACCESS_FULL;
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win_param.high_addr = 0;
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2010-07-05 18:15:25 +00:00
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/* Get bank base and size */
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win_param.base_addr = gd->bd->bi_dram[i].start;
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win_param.size = gd->bd->bi_dram[i].size;
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2009-06-14 17:03:46 +00:00
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if (win_param.size == 0)
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win_param.enable = 0;
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else
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win_param.enable = 1; /* Enable the access */
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/* Enable DRAM bank */
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switch (i) {
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case 0:
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win_param.attrib = EBAR_DRAM_CS0;
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break;
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case 1:
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win_param.attrib = EBAR_DRAM_CS1;
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break;
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case 2:
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win_param.attrib = EBAR_DRAM_CS2;
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break;
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case 3:
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win_param.attrib = EBAR_DRAM_CS3;
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break;
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default:
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2010-07-05 18:15:25 +00:00
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/* invalid bank, disable access */
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2009-06-14 17:03:46 +00:00
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win_param.enable = 0;
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win_param.attrib = 0;
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break;
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}
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/* Set the access control for address window(EPAPR) RD/WR */
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set_access_control(regs, &win_param);
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}
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}
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/*
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* port_init_mac_tables - Clear all entrance in the UC, SMC and OMC tables
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*
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* Go through all the DA filter tables (Unicast, Special Multicast & Other
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* Multicast) and set each entry to 0.
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*/
|
2010-07-12 20:24:28 +00:00
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static void port_init_mac_tables(struct mvgbe_registers *regs)
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2009-06-14 17:03:46 +00:00
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{
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int table_index;
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/* Clear DA filter unicast table (Ex_dFUT) */
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for (table_index = 0; table_index < 4; ++table_index)
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->dfut[table_index], 0);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
for (table_index = 0; table_index < 64; ++table_index) {
|
|
|
|
/* Clear DA filter special multicast table (Ex_dFSMT) */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->dfsmt[table_index], 0);
|
2009-06-14 17:03:46 +00:00
|
|
|
/* Clear DA filter other multicast table (Ex_dFOMT) */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->dfomt[table_index], 0);
|
2009-06-14 17:03:46 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* port_uc_addr - This function Set the port unicast address table
|
|
|
|
*
|
|
|
|
* This function locates the proper entry in the Unicast table for the
|
|
|
|
* specified MAC nibble and sets its properties according to function
|
|
|
|
* parameters.
|
|
|
|
* This function add/removes MAC addresses from the port unicast address
|
|
|
|
* table.
|
|
|
|
*
|
|
|
|
* @uc_nibble Unicast MAC Address last nibble.
|
|
|
|
* @option 0 = Add, 1 = remove address.
|
|
|
|
*
|
|
|
|
* RETURN: 1 if output succeeded. 0 if option parameter is invalid.
|
|
|
|
*/
|
2010-07-12 20:24:28 +00:00
|
|
|
static int port_uc_addr(struct mvgbe_registers *regs, u8 uc_nibble,
|
2009-06-14 17:03:46 +00:00
|
|
|
int option)
|
|
|
|
{
|
|
|
|
u32 unicast_reg;
|
|
|
|
u32 tbl_offset;
|
|
|
|
u32 reg_offset;
|
|
|
|
|
|
|
|
/* Locate the Unicast table entry */
|
|
|
|
uc_nibble = (0xf & uc_nibble);
|
|
|
|
/* Register offset from unicast table base */
|
|
|
|
tbl_offset = (uc_nibble / 4);
|
|
|
|
/* Entry offset within the above register */
|
|
|
|
reg_offset = uc_nibble % 4;
|
|
|
|
|
|
|
|
switch (option) {
|
|
|
|
case REJECT_MAC_ADDR:
|
|
|
|
/*
|
|
|
|
* Clear accepts frame bit at specified unicast
|
|
|
|
* DA table entry
|
|
|
|
*/
|
2010-07-12 20:24:28 +00:00
|
|
|
unicast_reg = MVGBE_REG_RD(regs->dfut[tbl_offset]);
|
2009-06-14 17:03:46 +00:00
|
|
|
unicast_reg &= (0xFF << (8 * reg_offset));
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->dfut[tbl_offset], unicast_reg);
|
2009-06-14 17:03:46 +00:00
|
|
|
break;
|
|
|
|
case ACCEPT_MAC_ADDR:
|
|
|
|
/* Set accepts frame bit at unicast DA filter table entry */
|
2010-07-12 20:24:28 +00:00
|
|
|
unicast_reg = MVGBE_REG_RD(regs->dfut[tbl_offset]);
|
2009-06-14 17:03:46 +00:00
|
|
|
unicast_reg &= (0xFF << (8 * reg_offset));
|
|
|
|
unicast_reg |= ((0x01 | (RXUQ << 1)) << (8 * reg_offset));
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->dfut[tbl_offset], unicast_reg);
|
2009-06-14 17:03:46 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* port_uc_addr_set - This function Set the port Unicast address.
|
|
|
|
*/
|
2010-07-12 20:24:28 +00:00
|
|
|
static void port_uc_addr_set(struct mvgbe_registers *regs, u8 * p_addr)
|
2009-06-14 17:03:46 +00:00
|
|
|
{
|
|
|
|
u32 mac_h;
|
|
|
|
u32 mac_l;
|
|
|
|
|
|
|
|
mac_l = (p_addr[4] << 8) | (p_addr[5]);
|
|
|
|
mac_h = (p_addr[0] << 24) | (p_addr[1] << 16) | (p_addr[2] << 8) |
|
|
|
|
(p_addr[3] << 0);
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->macal, mac_l);
|
|
|
|
MVGBE_REG_WR(regs->macah, mac_h);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* Accept frames of this address */
|
|
|
|
port_uc_addr(regs, p_addr[5], ACCEPT_MAC_ADDR);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
2010-07-12 20:24:28 +00:00
|
|
|
* mvgbe_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory.
|
2009-06-14 17:03:46 +00:00
|
|
|
*/
|
2010-07-12 20:24:28 +00:00
|
|
|
static void mvgbe_init_rx_desc_ring(struct mvgbe_device *dmvgbe)
|
2009-06-14 17:03:46 +00:00
|
|
|
{
|
2010-07-12 20:24:28 +00:00
|
|
|
struct mvgbe_rxdesc *p_rx_desc;
|
2009-06-14 17:03:46 +00:00
|
|
|
int i;
|
|
|
|
|
|
|
|
/* initialize the Rx descriptors ring */
|
2010-07-12 20:24:28 +00:00
|
|
|
p_rx_desc = dmvgbe->p_rxdesc;
|
2009-06-14 17:03:46 +00:00
|
|
|
for (i = 0; i < RINGSZ; i++) {
|
|
|
|
p_rx_desc->cmd_sts =
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_BUFFER_OWNED_BY_DMA | MVGBE_RX_EN_INTERRUPT;
|
2009-06-14 17:03:46 +00:00
|
|
|
p_rx_desc->buf_size = PKTSIZE_ALIGN;
|
|
|
|
p_rx_desc->byte_cnt = 0;
|
2010-07-12 20:24:28 +00:00
|
|
|
p_rx_desc->buf_ptr = dmvgbe->p_rxbuf + i * PKTSIZE_ALIGN;
|
2009-06-14 17:03:46 +00:00
|
|
|
if (i == (RINGSZ - 1))
|
2010-07-12 20:24:28 +00:00
|
|
|
p_rx_desc->nxtdesc_p = dmvgbe->p_rxdesc;
|
2009-06-14 17:03:46 +00:00
|
|
|
else {
|
2010-07-12 20:24:28 +00:00
|
|
|
p_rx_desc->nxtdesc_p = (struct mvgbe_rxdesc *)
|
|
|
|
((u32) p_rx_desc + MV_RXQ_DESC_ALIGNED_SIZE);
|
2009-06-14 17:03:46 +00:00
|
|
|
p_rx_desc = p_rx_desc->nxtdesc_p;
|
|
|
|
}
|
|
|
|
}
|
2010-07-12 20:24:28 +00:00
|
|
|
dmvgbe->p_rxdesc_curr = dmvgbe->p_rxdesc;
|
2009-06-14 17:03:46 +00:00
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
static int mvgbe_init(struct eth_device *dev)
|
2009-06-14 17:03:46 +00:00
|
|
|
{
|
2010-07-12 20:24:28 +00:00
|
|
|
struct mvgbe_device *dmvgbe = to_mvgbe(dev);
|
|
|
|
struct mvgbe_registers *regs = dmvgbe->regs;
|
2009-09-09 10:29:19 +00:00
|
|
|
#if (defined (CONFIG_MII) || defined (CONFIG_CMD_MII)) \
|
|
|
|
&& defined (CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
|
2009-08-20 08:13:06 +00:00
|
|
|
int i;
|
2009-09-09 10:29:19 +00:00
|
|
|
#endif
|
2009-06-14 17:03:46 +00:00
|
|
|
/* setup RX rings */
|
2010-07-12 20:24:28 +00:00
|
|
|
mvgbe_init_rx_desc_ring(dmvgbe);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* Clear the ethernet port interrupts */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->ic, 0);
|
|
|
|
MVGBE_REG_WR(regs->ice, 0);
|
2009-06-14 17:03:46 +00:00
|
|
|
/* Unmask RX buffer and TX end interrupt */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->pim, INT_CAUSE_UNMASK_ALL);
|
2009-06-14 17:03:46 +00:00
|
|
|
/* Unmask phy and link status changes interrupts */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->peim, INT_CAUSE_UNMASK_ALL_EXT);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
set_dram_access(regs);
|
|
|
|
port_init_mac_tables(regs);
|
2010-07-12 20:24:28 +00:00
|
|
|
port_uc_addr_set(regs, dmvgbe->dev.enetaddr);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* Assign port configuration and command. */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->pxc, PRT_CFG_VAL);
|
|
|
|
MVGBE_REG_WR(regs->pxcx, PORT_CFG_EXTEND_VALUE);
|
|
|
|
MVGBE_REG_WR(regs->psc0, PORT_SERIAL_CONTROL_VALUE);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* Assign port SDMA configuration */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->sdc, PORT_SDMA_CFG_VALUE);
|
|
|
|
MVGBE_REG_WR(regs->tqx[0].qxttbc, QTKNBKT_DEF_VAL);
|
|
|
|
MVGBE_REG_WR(regs->tqx[0].tqxtbc,
|
|
|
|
(QMTBS_DEF_VAL << 16) | QTKNRT_DEF_VAL);
|
2009-06-14 17:03:46 +00:00
|
|
|
/* Turn off the port/RXUQ bandwidth limitation */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->pmtu, 0);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* Set maximum receive buffer to 9700 bytes */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->psc0, MVGBE_MAX_RX_PACKET_9700BYTE
|
|
|
|
| (MVGBE_REG_RD(regs->psc0) & MRU_MASK));
|
2009-06-14 17:03:46 +00:00
|
|
|
|
2010-04-06 16:03:08 +00:00
|
|
|
/* Enable port initially */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_BITS_SET(regs->psc0, MVGBE_SERIAL_PORT_EN);
|
2010-04-06 16:03:08 +00:00
|
|
|
|
2009-06-14 17:03:46 +00:00
|
|
|
/*
|
|
|
|
* Set ethernet MTU for leaky bucket mechanism to 0 - this will
|
|
|
|
* disable the leaky bucket mechanism .
|
|
|
|
*/
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->pmtu, 0);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* Assignment of Rx CRDB of given RXUQ */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->rxcdp[RXUQ], (u32) dmvgbe->p_rxdesc_curr);
|
2010-07-10 13:41:29 +00:00
|
|
|
/* ensure previous write is done before enabling Rx DMA */
|
|
|
|
isb();
|
2009-06-14 17:03:46 +00:00
|
|
|
/* Enable port Rx. */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->rqc, (1 << RXUQ));
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
#if (defined (CONFIG_MII) || defined (CONFIG_CMD_MII)) \
|
|
|
|
&& defined (CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
|
2009-08-20 08:13:06 +00:00
|
|
|
/* Wait up to 5s for the link status */
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
|
|
u16 phyadr;
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
miiphy_read(dev->name, MV_PHY_ADR_REQUEST,
|
|
|
|
MV_PHY_ADR_REQUEST, &phyadr);
|
2009-08-20 08:13:06 +00:00
|
|
|
/* Return if we get link up */
|
|
|
|
if (miiphy_link(dev->name, phyadr))
|
|
|
|
return 0;
|
|
|
|
udelay(1000000);
|
2009-06-14 17:03:46 +00:00
|
|
|
}
|
2009-08-20 08:13:06 +00:00
|
|
|
|
|
|
|
printf("No link on %s\n", dev->name);
|
|
|
|
return -1;
|
2009-06-14 17:03:46 +00:00
|
|
|
#endif
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
static int mvgbe_halt(struct eth_device *dev)
|
2009-06-14 17:03:46 +00:00
|
|
|
{
|
2010-07-12 20:24:28 +00:00
|
|
|
struct mvgbe_device *dmvgbe = to_mvgbe(dev);
|
|
|
|
struct mvgbe_registers *regs = dmvgbe->regs;
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* Disable all gigE address decoder */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->bare, 0x3f);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
stop_queue(®s->tqc);
|
|
|
|
stop_queue(®s->rqc);
|
|
|
|
|
2010-04-06 16:03:08 +00:00
|
|
|
/* Disable port */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_BITS_RESET(regs->psc0, MVGBE_SERIAL_PORT_EN);
|
2009-06-14 17:03:46 +00:00
|
|
|
/* Set port is not reset */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_BITS_RESET(regs->psc1, 1 << 4);
|
2009-06-14 17:03:46 +00:00
|
|
|
#ifdef CONFIG_SYS_MII_MODE
|
|
|
|
/* Set MMI interface up */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_BITS_RESET(regs->psc1, 1 << 3);
|
2009-06-14 17:03:46 +00:00
|
|
|
#endif
|
|
|
|
/* Disable & mask ethernet port interrupts */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->ic, 0);
|
|
|
|
MVGBE_REG_WR(regs->ice, 0);
|
|
|
|
MVGBE_REG_WR(regs->pim, 0);
|
|
|
|
MVGBE_REG_WR(regs->peim, 0);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
static int mvgbe_write_hwaddr(struct eth_device *dev)
|
2010-04-06 16:51:33 +00:00
|
|
|
{
|
2010-07-12 20:24:28 +00:00
|
|
|
struct mvgbe_device *dmvgbe = to_mvgbe(dev);
|
|
|
|
struct mvgbe_registers *regs = dmvgbe->regs;
|
2010-04-06 16:51:33 +00:00
|
|
|
|
|
|
|
/* Programs net device MAC address after initialization */
|
2010-07-12 20:24:28 +00:00
|
|
|
port_uc_addr_set(regs, dmvgbe->dev.enetaddr);
|
2010-04-06 16:51:33 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
static int mvgbe_send(struct eth_device *dev, void *dataptr,
|
2009-06-14 17:03:46 +00:00
|
|
|
int datasize)
|
|
|
|
{
|
2010-07-12 20:24:28 +00:00
|
|
|
struct mvgbe_device *dmvgbe = to_mvgbe(dev);
|
|
|
|
struct mvgbe_registers *regs = dmvgbe->regs;
|
|
|
|
struct mvgbe_txdesc *p_txdesc = dmvgbe->p_txdesc;
|
2009-08-20 08:14:11 +00:00
|
|
|
void *p = (void *)dataptr;
|
2009-07-08 11:03:18 +00:00
|
|
|
u32 cmd_sts;
|
2009-06-14 17:03:46 +00:00
|
|
|
|
2009-08-20 08:14:11 +00:00
|
|
|
/* Copy buffer if it's misaligned */
|
2009-06-14 17:03:46 +00:00
|
|
|
if ((u32) dataptr & 0x07) {
|
2009-08-20 08:14:11 +00:00
|
|
|
if (datasize > PKTSIZE_ALIGN) {
|
|
|
|
printf("Non-aligned data too large (%d)\n",
|
|
|
|
datasize);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
memcpy(dmvgbe->p_aligned_txbuf, p, datasize);
|
|
|
|
p = dmvgbe->p_aligned_txbuf;
|
2009-06-14 17:03:46 +00:00
|
|
|
}
|
2009-08-20 08:14:11 +00:00
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
p_txdesc->cmd_sts = MVGBE_ZERO_PADDING | MVGBE_GEN_CRC;
|
|
|
|
p_txdesc->cmd_sts |= MVGBE_TX_FIRST_DESC | MVGBE_TX_LAST_DESC;
|
|
|
|
p_txdesc->cmd_sts |= MVGBE_BUFFER_OWNED_BY_DMA;
|
|
|
|
p_txdesc->cmd_sts |= MVGBE_TX_EN_INTERRUPT;
|
2009-08-20 08:14:11 +00:00
|
|
|
p_txdesc->buf_ptr = (u8 *) p;
|
2009-06-14 17:03:46 +00:00
|
|
|
p_txdesc->byte_cnt = datasize;
|
|
|
|
|
2010-07-10 13:41:29 +00:00
|
|
|
/* Set this tc desc as zeroth TXUQ */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->tcqdp[TXUQ], (u32) p_txdesc);
|
2010-07-10 13:41:29 +00:00
|
|
|
|
|
|
|
/* ensure tx desc writes above are performed before we start Tx DMA */
|
|
|
|
isb();
|
|
|
|
|
|
|
|
/* Apply send command using zeroth TXUQ */
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_REG_WR(regs->tqc, (1 << TXUQ));
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* wait for packet xmit completion
|
|
|
|
*/
|
2009-07-08 11:03:18 +00:00
|
|
|
cmd_sts = readl(&p_txdesc->cmd_sts);
|
2010-07-12 20:24:28 +00:00
|
|
|
while (cmd_sts & MVGBE_BUFFER_OWNED_BY_DMA) {
|
2009-06-14 17:03:46 +00:00
|
|
|
/* return fail if error is detected */
|
2010-07-12 20:24:28 +00:00
|
|
|
if ((cmd_sts & (MVGBE_ERROR_SUMMARY | MVGBE_TX_LAST_FRAME)) ==
|
|
|
|
(MVGBE_ERROR_SUMMARY | MVGBE_TX_LAST_FRAME) &&
|
|
|
|
cmd_sts & (MVGBE_UR_ERROR | MVGBE_RL_ERROR)) {
|
2009-06-14 17:03:46 +00:00
|
|
|
printf("Err..(%s) in xmit packet\n", __FUNCTION__);
|
|
|
|
return -1;
|
|
|
|
}
|
2009-07-08 11:03:18 +00:00
|
|
|
cmd_sts = readl(&p_txdesc->cmd_sts);
|
2009-06-14 17:03:46 +00:00
|
|
|
};
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
static int mvgbe_recv(struct eth_device *dev)
|
2009-06-14 17:03:46 +00:00
|
|
|
{
|
2010-07-12 20:24:28 +00:00
|
|
|
struct mvgbe_device *dmvgbe = to_mvgbe(dev);
|
|
|
|
struct mvgbe_rxdesc *p_rxdesc_curr = dmvgbe->p_rxdesc_curr;
|
2009-07-08 11:03:18 +00:00
|
|
|
u32 cmd_sts;
|
|
|
|
u32 timeout = 0;
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* wait untill rx packet available or timeout */
|
|
|
|
do {
|
2010-07-12 20:24:28 +00:00
|
|
|
if (timeout < MVGBE_PHY_SMI_TIMEOUT)
|
2009-06-14 17:03:46 +00:00
|
|
|
timeout++;
|
|
|
|
else {
|
|
|
|
debug("%s time out...\n", __FUNCTION__);
|
|
|
|
return -1;
|
|
|
|
}
|
2010-07-12 20:24:28 +00:00
|
|
|
} while (readl(&p_rxdesc_curr->cmd_sts) & MVGBE_BUFFER_OWNED_BY_DMA);
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
if (p_rxdesc_curr->byte_cnt != 0) {
|
|
|
|
debug("%s: Received %d byte Packet @ 0x%x (cmd_sts= %08x)\n",
|
|
|
|
__FUNCTION__, (u32) p_rxdesc_curr->byte_cnt,
|
|
|
|
(u32) p_rxdesc_curr->buf_ptr,
|
|
|
|
(u32) p_rxdesc_curr->cmd_sts);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* In case received a packet without first/last bits on
|
|
|
|
* OR the error summary bit is on,
|
|
|
|
* the packets needs to be dropeed.
|
|
|
|
*/
|
2009-07-08 11:03:18 +00:00
|
|
|
cmd_sts = readl(&p_rxdesc_curr->cmd_sts);
|
|
|
|
|
|
|
|
if ((cmd_sts &
|
2010-07-12 20:24:28 +00:00
|
|
|
(MVGBE_RX_FIRST_DESC | MVGBE_RX_LAST_DESC))
|
|
|
|
!= (MVGBE_RX_FIRST_DESC | MVGBE_RX_LAST_DESC)) {
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
printf("Err..(%s) Dropping packet spread on"
|
|
|
|
" multiple descriptors\n", __FUNCTION__);
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
} else if (cmd_sts & MVGBE_ERROR_SUMMARY) {
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
printf("Err..(%s) Dropping packet with errors\n",
|
|
|
|
__FUNCTION__);
|
|
|
|
|
|
|
|
} else {
|
|
|
|
/* !!! call higher layer processing */
|
|
|
|
debug("%s: Sending Received packet to"
|
|
|
|
" upper layer (NetReceive)\n", __FUNCTION__);
|
|
|
|
|
|
|
|
/* let the upper layer handle the packet */
|
|
|
|
NetReceive((p_rxdesc_curr->buf_ptr + RX_BUF_OFFSET),
|
|
|
|
(int)(p_rxdesc_curr->byte_cnt - RX_BUF_OFFSET));
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* free these descriptors and point next in the ring
|
|
|
|
*/
|
|
|
|
p_rxdesc_curr->cmd_sts =
|
2010-07-12 20:24:28 +00:00
|
|
|
MVGBE_BUFFER_OWNED_BY_DMA | MVGBE_RX_EN_INTERRUPT;
|
2009-06-14 17:03:46 +00:00
|
|
|
p_rxdesc_curr->buf_size = PKTSIZE_ALIGN;
|
|
|
|
p_rxdesc_curr->byte_cnt = 0;
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
writel((unsigned)p_rxdesc_curr->nxtdesc_p,
|
|
|
|
(u32) &dmvgbe->p_rxdesc_curr);
|
2009-07-08 11:03:18 +00:00
|
|
|
|
2009-06-14 17:03:46 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
int mvgbe_initialize(bd_t *bis)
|
2009-06-14 17:03:46 +00:00
|
|
|
{
|
2010-07-12 20:24:28 +00:00
|
|
|
struct mvgbe_device *dmvgbe;
|
2009-06-14 17:03:46 +00:00
|
|
|
struct eth_device *dev;
|
|
|
|
int devnum;
|
2009-08-10 14:13:06 +00:00
|
|
|
char *s;
|
2010-07-12 20:24:28 +00:00
|
|
|
u8 used_ports[MAX_MVGBE_DEVS] = CONFIG_MVGBE_PORTS;
|
2009-06-14 17:03:46 +00:00
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
for (devnum = 0; devnum < MAX_MVGBE_DEVS; devnum++) {
|
2009-06-14 17:03:46 +00:00
|
|
|
/*skip if port is configured not to use */
|
|
|
|
if (used_ports[devnum] == 0)
|
|
|
|
continue;
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
dmvgbe = malloc(sizeof(struct mvgbe_device));
|
|
|
|
|
|
|
|
if (!dmvgbe)
|
2009-06-14 17:03:46 +00:00
|
|
|
goto error1;
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
memset(dmvgbe, 0, sizeof(struct mvgbe_device));
|
2009-06-14 17:03:46 +00:00
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
dmvgbe->p_rxdesc =
|
|
|
|
(struct mvgbe_rxdesc *)memalign(PKTALIGN,
|
|
|
|
MV_RXQ_DESC_ALIGNED_SIZE*RINGSZ + 1);
|
|
|
|
|
|
|
|
if (!dmvgbe->p_rxdesc)
|
2009-06-14 17:03:46 +00:00
|
|
|
goto error2;
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
dmvgbe->p_rxbuf = (u8 *) memalign(PKTALIGN,
|
|
|
|
RINGSZ*PKTSIZE_ALIGN + 1);
|
|
|
|
|
|
|
|
if (!dmvgbe->p_rxbuf)
|
2009-06-14 17:03:46 +00:00
|
|
|
goto error3;
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
dmvgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN);
|
|
|
|
|
|
|
|
if (!dmvgbe->p_aligned_txbuf)
|
2009-08-20 08:14:11 +00:00
|
|
|
goto error4;
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
dmvgbe->p_txdesc = (struct mvgbe_txdesc *) memalign(
|
|
|
|
PKTALIGN, sizeof(struct mvgbe_txdesc) + 1);
|
|
|
|
|
|
|
|
if (!dmvgbe->p_txdesc) {
|
|
|
|
free(dmvgbe->p_aligned_txbuf);
|
|
|
|
error4:
|
|
|
|
free(dmvgbe->p_rxbuf);
|
|
|
|
error3:
|
|
|
|
free(dmvgbe->p_rxdesc);
|
|
|
|
error2:
|
|
|
|
free(dmvgbe);
|
|
|
|
error1:
|
2009-06-14 17:03:46 +00:00
|
|
|
printf("Err.. %s Failed to allocate memory\n",
|
|
|
|
__FUNCTION__);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
dev = &dmvgbe->dev;
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
/* must be less than NAMESIZE (16) */
|
|
|
|
sprintf(dev->name, "egiga%d", devnum);
|
|
|
|
|
|
|
|
/* Extract the MAC address from the environment */
|
|
|
|
switch (devnum) {
|
|
|
|
case 0:
|
2010-07-12 20:24:28 +00:00
|
|
|
dmvgbe->regs = (void *)MVGBE0_BASE;
|
2009-06-14 17:03:46 +00:00
|
|
|
s = "ethaddr";
|
|
|
|
break;
|
2010-07-12 20:24:28 +00:00
|
|
|
#if defined(MVGBE1_BASE)
|
2009-06-14 17:03:46 +00:00
|
|
|
case 1:
|
2010-07-12 20:24:28 +00:00
|
|
|
dmvgbe->regs = (void *)MVGBE1_BASE;
|
2009-06-14 17:03:46 +00:00
|
|
|
s = "eth1addr";
|
|
|
|
break;
|
2010-07-12 20:24:28 +00:00
|
|
|
#endif
|
2009-06-14 17:03:46 +00:00
|
|
|
default: /* this should never happen */
|
|
|
|
printf("Err..(%s) Invalid device number %d\n",
|
|
|
|
__FUNCTION__, devnum);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
while (!eth_getenv_enetaddr(s, dev->enetaddr)) {
|
2010-07-12 09:03:33 +00:00
|
|
|
/* Generate Private MAC addr if not set */
|
2009-08-10 14:13:06 +00:00
|
|
|
dev->enetaddr[0] = 0x02;
|
|
|
|
dev->enetaddr[1] = 0x50;
|
|
|
|
dev->enetaddr[2] = 0x43;
|
2010-07-12 09:03:33 +00:00
|
|
|
#if defined (CONFIG_SKIP_LOCAL_MAC_RANDOMIZATION)
|
|
|
|
/* Generate fixed lower MAC half using devnum */
|
|
|
|
dev->enetaddr[3] = 0;
|
|
|
|
dev->enetaddr[4] = 0;
|
|
|
|
dev->enetaddr[5] = devnum;
|
|
|
|
#else
|
|
|
|
/* Generate random lower MAC half */
|
2009-08-10 14:13:06 +00:00
|
|
|
dev->enetaddr[3] = get_random_hex();
|
|
|
|
dev->enetaddr[4] = get_random_hex();
|
|
|
|
dev->enetaddr[5] = get_random_hex();
|
2010-07-12 09:03:33 +00:00
|
|
|
#endif
|
2009-08-10 14:13:06 +00:00
|
|
|
eth_setenv_enetaddr(s, dev->enetaddr);
|
2009-06-14 17:03:46 +00:00
|
|
|
}
|
|
|
|
|
2010-07-12 20:24:28 +00:00
|
|
|
dev->init = (void *)mvgbe_init;
|
|
|
|
dev->halt = (void *)mvgbe_halt;
|
|
|
|
dev->send = (void *)mvgbe_send;
|
|
|
|
dev->recv = (void *)mvgbe_recv;
|
|
|
|
dev->write_hwaddr = (void *)mvgbe_write_hwaddr;
|
2009-06-14 17:03:46 +00:00
|
|
|
|
|
|
|
eth_register(dev);
|
|
|
|
|
|
|
|
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
|
|
|
|
miiphy_register(dev->name, smi_reg_read, smi_reg_write);
|
|
|
|
/* Set phy address of the port */
|
2010-07-12 20:24:28 +00:00
|
|
|
miiphy_write(dev->name, MV_PHY_ADR_REQUEST,
|
|
|
|
MV_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
|
2009-06-14 17:03:46 +00:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
return 0;
|
2009-07-01 18:34:51 +00:00
|
|
|
}
|