COBJS-$(CONFIG_FTMAC100) += ftmac100.o
COBJS-$(CONFIG_GRETH) += greth.o
COBJS-$(CONFIG_INCA_IP_SWITCH) += inca-ip_sw.o
-COBJS-$(CONFIG_KIRKWOOD_EGIGA) += kirkwood_egiga.o
COBJS-$(CONFIG_DRIVER_KS8695ETH) += ks8695eth.o
COBJS-$(CONFIG_LAN91C96) += lan91c96.o
COBJS-$(CONFIG_MACB) += macb.o
COBJS-$(CONFIG_MCFFEC) += mcffec.o mcfmii.o
COBJS-$(CONFIG_MPC5xxx_FEC) += mpc5xxx_fec.o
COBJS-$(CONFIG_MPC512x_FEC) += mpc512x_fec.o
+COBJS-$(CONFIG_KIRKWOOD_EGIGA) += mvgbe.o
COBJS-$(CONFIG_NATSEMI) += natsemi.o
COBJS-$(CONFIG_DRIVER_NE2000) += ne2000.o ne2000_base.o
COBJS-$(CONFIG_DRIVER_AX88796L) += ax88796.o ne2000_base.o
+++ /dev/null
-/*
- * (C) Copyright 2009
- * Marvell Semiconductor <www.marvell.com>
- * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
- *
- * (C) Copyright 2003
- * Ingo Assmus <ingo.assmus@keymile.com>
- *
- * based on - Driver for MV64360X ethernet ports
- * Copyright (C) 2002 rabeeh@galileo.co.il
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <common.h>
-#include <net.h>
-#include <malloc.h>
-#include <miiphy.h>
-#include <asm/errno.h>
-#include <asm/types.h>
-#include <asm/byteorder.h>
-#include <asm/arch/kirkwood.h>
-#include "kirkwood_egiga.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define KIRKWOOD_PHY_ADR_REQUEST 0xee
-#define KWGBE_SMI_REG (((struct kwgbe_registers *)KW_EGIGA0_BASE)->smi)
-
-/*
- * smi_reg_read - miiphy_read callback function.
- *
- * Returns 16bit phy register value, or 0xffff on error
- */
-static int smi_reg_read(char *devname, u8 phy_adr, u8 reg_ofs, u16 * data)
-{
- struct eth_device *dev = eth_get_dev_by_name(devname);
- struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
- struct kwgbe_registers *regs = dkwgbe->regs;
- u32 smi_reg;
- u32 timeout;
-
- /* Phyadr read request */
- if (phy_adr == KIRKWOOD_PHY_ADR_REQUEST &&
- reg_ofs == KIRKWOOD_PHY_ADR_REQUEST) {
- /* */
- *data = (u16) (KWGBEREG_RD(regs->phyadr) & PHYADR_MASK);
- return 0;
- }
- /* check parameters */
- if (phy_adr > PHYADR_MASK) {
- printf("Err..(%s) Invalid PHY address %d\n",
- __FUNCTION__, phy_adr);
- return -EFAULT;
- }
- if (reg_ofs > PHYREG_MASK) {
- printf("Err..(%s) Invalid register offset %d\n",
- __FUNCTION__, reg_ofs);
- return -EFAULT;
- }
-
- timeout = KWGBE_PHY_SMI_TIMEOUT;
- /* wait till the SMI is not busy */
- do {
- /* read smi register */
- smi_reg = KWGBEREG_RD(KWGBE_SMI_REG);
- if (timeout-- == 0) {
- printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
- return -EFAULT;
- }
- } while (smi_reg & KWGBE_PHY_SMI_BUSY_MASK);
-
- /* fill the phy address and regiser offset and read opcode */
- smi_reg = (phy_adr << KWGBE_PHY_SMI_DEV_ADDR_OFFS)
- | (reg_ofs << KWGBE_SMI_REG_ADDR_OFFS)
- | KWGBE_PHY_SMI_OPCODE_READ;
-
- /* write the smi register */
- KWGBEREG_WR(KWGBE_SMI_REG, smi_reg);
-
- /*wait till read value is ready */
- timeout = KWGBE_PHY_SMI_TIMEOUT;
-
- do {
- /* read smi register */
- smi_reg = KWGBEREG_RD(KWGBE_SMI_REG);
- if (timeout-- == 0) {
- printf("Err..(%s) SMI read ready timeout\n",
- __FUNCTION__);
- return -EFAULT;
- }
- } while (!(smi_reg & KWGBE_PHY_SMI_READ_VALID_MASK));
-
- /* Wait for the data to update in the SMI register */
- for (timeout = 0; timeout < KWGBE_PHY_SMI_TIMEOUT; timeout++) ;
-
- *data = (u16) (KWGBEREG_RD(KWGBE_SMI_REG) & KWGBE_PHY_SMI_DATA_MASK);
-
- debug("%s:(adr %d, off %d) value= %04x\n", __FUNCTION__, phy_adr,
- reg_ofs, *data);
-
- return 0;
-}
-
-/*
- * smi_reg_write - imiiphy_write callback function.
- *
- * Returns 0 if write succeed, -EINVAL on bad parameters
- * -ETIME on timeout
- */
-static int smi_reg_write(char *devname, u8 phy_adr, u8 reg_ofs, u16 data)
-{
- struct eth_device *dev = eth_get_dev_by_name(devname);
- struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
- struct kwgbe_registers *regs = dkwgbe->regs;
- u32 smi_reg;
- u32 timeout;
-
- /* Phyadr write request*/
- if (phy_adr == KIRKWOOD_PHY_ADR_REQUEST &&
- reg_ofs == KIRKWOOD_PHY_ADR_REQUEST) {
- KWGBEREG_WR(regs->phyadr, data);
- return 0;
- }
-
- /* check parameters */
- if (phy_adr > PHYADR_MASK) {
- printf("Err..(%s) Invalid phy address\n", __FUNCTION__);
- return -EINVAL;
- }
- if (reg_ofs > PHYREG_MASK) {
- printf("Err..(%s) Invalid register offset\n", __FUNCTION__);
- return -EINVAL;
- }
-
- /* wait till the SMI is not busy */
- timeout = KWGBE_PHY_SMI_TIMEOUT;
- do {
- /* read smi register */
- smi_reg = KWGBEREG_RD(KWGBE_SMI_REG);
- if (timeout-- == 0) {
- printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
- return -ETIME;
- }
- } while (smi_reg & KWGBE_PHY_SMI_BUSY_MASK);
-
- /* fill the phy addr and reg offset and write opcode and data */
- smi_reg = (data << KWGBE_PHY_SMI_DATA_OFFS);
- smi_reg |= (phy_adr << KWGBE_PHY_SMI_DEV_ADDR_OFFS)
- | (reg_ofs << KWGBE_SMI_REG_ADDR_OFFS);
- smi_reg &= ~KWGBE_PHY_SMI_OPCODE_READ;
-
- /* write the smi register */
- KWGBEREG_WR(KWGBE_SMI_REG, smi_reg);
-
- return 0;
-}
-
-/* Stop and checks all queues */
-static void stop_queue(u32 * qreg)
-{
- u32 reg_data;
-
- reg_data = readl(qreg);
-
- if (reg_data & 0xFF) {
- /* Issue stop command for active channels only */
- writel((reg_data << 8), qreg);
-
- /* Wait for all queue activity to terminate. */
- do {
- /*
- * Check port cause register that all queues
- * are stopped
- */
- reg_data = readl(qreg);
- }
- while (reg_data & 0xFF);
- }
-}
-
-/*
- * set_access_control - Config address decode parameters for Ethernet unit
- *
- * This function configures the address decode parameters for the Gigabit
- * Ethernet Controller according the given parameters struct.
- *
- * @regs Register struct pointer.
- * @param Address decode parameter struct.
- */
-static void set_access_control(struct kwgbe_registers *regs,
- struct kwgbe_winparam *param)
-{
- u32 access_prot_reg;
-
- /* Set access control register */
- access_prot_reg = KWGBEREG_RD(regs->epap);
- /* clear window permission */
- access_prot_reg &= (~(3 << (param->win * 2)));
- access_prot_reg |= (param->access_ctrl << (param->win * 2));
- KWGBEREG_WR(regs->epap, access_prot_reg);
-
- /* Set window Size reg (SR) */
- KWGBEREG_WR(regs->barsz[param->win].size,
- (((param->size / 0x10000) - 1) << 16));
-
- /* Set window Base address reg (BA) */
- KWGBEREG_WR(regs->barsz[param->win].bar,
- (param->target | param->attrib | param->base_addr));
- /* High address remap reg (HARR) */
- if (param->win < 4)
- KWGBEREG_WR(regs->ha_remap[param->win], param->high_addr);
-
- /* Base address enable reg (BARER) */
- if (param->enable == 1)
- KWGBEREG_BITS_RESET(regs->bare, (1 << param->win));
- else
- KWGBEREG_BITS_SET(regs->bare, (1 << param->win));
-}
-
-static void set_dram_access(struct kwgbe_registers *regs)
-{
- struct kwgbe_winparam win_param;
- int i;
-
- for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
- /* Set access parameters for DRAM bank i */
- win_param.win = i; /* Use Ethernet window i */
- /* Window target - DDR */
- win_param.target = KWGBE_TARGET_DRAM;
- /* Enable full access */
- win_param.access_ctrl = EWIN_ACCESS_FULL;
- win_param.high_addr = 0;
- /* Get bank base and size */
- win_param.base_addr = gd->bd->bi_dram[i].start;
- win_param.size = gd->bd->bi_dram[i].size;
- if (win_param.size == 0)
- win_param.enable = 0;
- else
- win_param.enable = 1; /* Enable the access */
-
- /* Enable DRAM bank */
- switch (i) {
- case 0:
- win_param.attrib = EBAR_DRAM_CS0;
- break;
- case 1:
- win_param.attrib = EBAR_DRAM_CS1;
- break;
- case 2:
- win_param.attrib = EBAR_DRAM_CS2;
- break;
- case 3:
- win_param.attrib = EBAR_DRAM_CS3;
- break;
- default:
- /* invalid bank, disable access */
- win_param.enable = 0;
- win_param.attrib = 0;
- break;
- }
- /* Set the access control for address window(EPAPR) RD/WR */
- set_access_control(regs, &win_param);
- }
-}
-
-/*
- * port_init_mac_tables - Clear all entrance in the UC, SMC and OMC tables
- *
- * Go through all the DA filter tables (Unicast, Special Multicast & Other
- * Multicast) and set each entry to 0.
- */
-static void port_init_mac_tables(struct kwgbe_registers *regs)
-{
- int table_index;
-
- /* Clear DA filter unicast table (Ex_dFUT) */
- for (table_index = 0; table_index < 4; ++table_index)
- KWGBEREG_WR(regs->dfut[table_index], 0);
-
- for (table_index = 0; table_index < 64; ++table_index) {
- /* Clear DA filter special multicast table (Ex_dFSMT) */
- KWGBEREG_WR(regs->dfsmt[table_index], 0);
- /* Clear DA filter other multicast table (Ex_dFOMT) */
- KWGBEREG_WR(regs->dfomt[table_index], 0);
- }
-}
-
-/*
- * 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.
- */
-static int port_uc_addr(struct kwgbe_registers *regs, u8 uc_nibble,
- 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
- */
- unicast_reg = KWGBEREG_RD(regs->dfut[tbl_offset]);
- unicast_reg &= (0xFF << (8 * reg_offset));
- KWGBEREG_WR(regs->dfut[tbl_offset], unicast_reg);
- break;
- case ACCEPT_MAC_ADDR:
- /* Set accepts frame bit at unicast DA filter table entry */
- unicast_reg = KWGBEREG_RD(regs->dfut[tbl_offset]);
- unicast_reg &= (0xFF << (8 * reg_offset));
- unicast_reg |= ((0x01 | (RXUQ << 1)) << (8 * reg_offset));
- KWGBEREG_WR(regs->dfut[tbl_offset], unicast_reg);
- break;
- default:
- return 0;
- }
- return 1;
-}
-
-/*
- * port_uc_addr_set - This function Set the port Unicast address.
- */
-static void port_uc_addr_set(struct kwgbe_registers *regs, u8 * p_addr)
-{
- 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);
-
- KWGBEREG_WR(regs->macal, mac_l);
- KWGBEREG_WR(regs->macah, mac_h);
-
- /* Accept frames of this address */
- port_uc_addr(regs, p_addr[5], ACCEPT_MAC_ADDR);
-}
-
-/*
- * kwgbe_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory.
- */
-static void kwgbe_init_rx_desc_ring(struct kwgbe_device *dkwgbe)
-{
- struct kwgbe_rxdesc *p_rx_desc;
- int i;
-
- /* initialize the Rx descriptors ring */
- p_rx_desc = dkwgbe->p_rxdesc;
- for (i = 0; i < RINGSZ; i++) {
- p_rx_desc->cmd_sts =
- KWGBE_BUFFER_OWNED_BY_DMA | KWGBE_RX_EN_INTERRUPT;
- p_rx_desc->buf_size = PKTSIZE_ALIGN;
- p_rx_desc->byte_cnt = 0;
- p_rx_desc->buf_ptr = dkwgbe->p_rxbuf + i * PKTSIZE_ALIGN;
- if (i == (RINGSZ - 1))
- p_rx_desc->nxtdesc_p = dkwgbe->p_rxdesc;
- else {
- p_rx_desc->nxtdesc_p = (struct kwgbe_rxdesc *)
- ((u32) p_rx_desc + KW_RXQ_DESC_ALIGNED_SIZE);
- p_rx_desc = p_rx_desc->nxtdesc_p;
- }
- }
- dkwgbe->p_rxdesc_curr = dkwgbe->p_rxdesc;
-}
-
-static int kwgbe_init(struct eth_device *dev)
-{
- struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
- struct kwgbe_registers *regs = dkwgbe->regs;
-#if (defined (CONFIG_MII) || defined (CONFIG_CMD_MII)) \
- && defined (CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
- int i;
-#endif
- /* setup RX rings */
- kwgbe_init_rx_desc_ring(dkwgbe);
-
- /* Clear the ethernet port interrupts */
- KWGBEREG_WR(regs->ic, 0);
- KWGBEREG_WR(regs->ice, 0);
- /* Unmask RX buffer and TX end interrupt */
- KWGBEREG_WR(regs->pim, INT_CAUSE_UNMASK_ALL);
- /* Unmask phy and link status changes interrupts */
- KWGBEREG_WR(regs->peim, INT_CAUSE_UNMASK_ALL_EXT);
-
- set_dram_access(regs);
- port_init_mac_tables(regs);
- port_uc_addr_set(regs, dkwgbe->dev.enetaddr);
-
- /* Assign port configuration and command. */
- KWGBEREG_WR(regs->pxc, PRT_CFG_VAL);
- KWGBEREG_WR(regs->pxcx, PORT_CFG_EXTEND_VALUE);
- KWGBEREG_WR(regs->psc0, PORT_SERIAL_CONTROL_VALUE);
-
- /* Assign port SDMA configuration */
- KWGBEREG_WR(regs->sdc, PORT_SDMA_CFG_VALUE);
- KWGBEREG_WR(regs->tqx[0].qxttbc, QTKNBKT_DEF_VAL);
- KWGBEREG_WR(regs->tqx[0].tqxtbc, (QMTBS_DEF_VAL << 16) | QTKNRT_DEF_VAL);
- /* Turn off the port/RXUQ bandwidth limitation */
- KWGBEREG_WR(regs->pmtu, 0);
-
- /* Set maximum receive buffer to 9700 bytes */
- KWGBEREG_WR(regs->psc0, KWGBE_MAX_RX_PACKET_9700BYTE
- | (KWGBEREG_RD(regs->psc0) & MRU_MASK));
-
- /* Enable port initially */
- KWGBEREG_BITS_SET(regs->psc0, KWGBE_SERIAL_PORT_EN);
-
- /*
- * Set ethernet MTU for leaky bucket mechanism to 0 - this will
- * disable the leaky bucket mechanism .
- */
- KWGBEREG_WR(regs->pmtu, 0);
-
- /* Assignment of Rx CRDB of given RXUQ */
- KWGBEREG_WR(regs->rxcdp[RXUQ], (u32) dkwgbe->p_rxdesc_curr);
- /* ensure previous write is done before enabling Rx DMA */
- isb();
- /* Enable port Rx. */
- KWGBEREG_WR(regs->rqc, (1 << RXUQ));
-
-#if (defined (CONFIG_MII) || defined (CONFIG_CMD_MII)) \
- && defined (CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
- /* Wait up to 5s for the link status */
- for (i = 0; i < 5; i++) {
- u16 phyadr;
-
- miiphy_read(dev->name, KIRKWOOD_PHY_ADR_REQUEST,
- KIRKWOOD_PHY_ADR_REQUEST, &phyadr);
- /* Return if we get link up */
- if (miiphy_link(dev->name, phyadr))
- return 0;
- udelay(1000000);
- }
-
- printf("No link on %s\n", dev->name);
- return -1;
-#endif
- return 0;
-}
-
-static int kwgbe_halt(struct eth_device *dev)
-{
- struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
- struct kwgbe_registers *regs = dkwgbe->regs;
-
- /* Disable all gigE address decoder */
- KWGBEREG_WR(regs->bare, 0x3f);
-
- stop_queue(®s->tqc);
- stop_queue(®s->rqc);
-
- /* Disable port */
- KWGBEREG_BITS_RESET(regs->psc0, KWGBE_SERIAL_PORT_EN);
- /* Set port is not reset */
- KWGBEREG_BITS_RESET(regs->psc1, 1 << 4);
-#ifdef CONFIG_SYS_MII_MODE
- /* Set MMI interface up */
- KWGBEREG_BITS_RESET(regs->psc1, 1 << 3);
-#endif
- /* Disable & mask ethernet port interrupts */
- KWGBEREG_WR(regs->ic, 0);
- KWGBEREG_WR(regs->ice, 0);
- KWGBEREG_WR(regs->pim, 0);
- KWGBEREG_WR(regs->peim, 0);
-
- return 0;
-}
-
-static int kwgbe_write_hwaddr(struct eth_device *dev)
-{
- struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
- struct kwgbe_registers *regs = dkwgbe->regs;
-
- /* Programs net device MAC address after initialization */
- port_uc_addr_set(regs, dkwgbe->dev.enetaddr);
- return 0;
-}
-
-static int kwgbe_send(struct eth_device *dev, volatile void *dataptr,
- int datasize)
-{
- struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
- struct kwgbe_registers *regs = dkwgbe->regs;
- struct kwgbe_txdesc *p_txdesc = dkwgbe->p_txdesc;
- void *p = (void *)dataptr;
- u32 cmd_sts;
-
- /* Copy buffer if it's misaligned */
- if ((u32) dataptr & 0x07) {
- if (datasize > PKTSIZE_ALIGN) {
- printf("Non-aligned data too large (%d)\n",
- datasize);
- return -1;
- }
-
- memcpy(dkwgbe->p_aligned_txbuf, p, datasize);
- p = dkwgbe->p_aligned_txbuf;
- }
-
- p_txdesc->cmd_sts = KWGBE_ZERO_PADDING | KWGBE_GEN_CRC;
- p_txdesc->cmd_sts |= KWGBE_TX_FIRST_DESC | KWGBE_TX_LAST_DESC;
- p_txdesc->cmd_sts |= KWGBE_BUFFER_OWNED_BY_DMA;
- p_txdesc->cmd_sts |= KWGBE_TX_EN_INTERRUPT;
- p_txdesc->buf_ptr = (u8 *) p;
- p_txdesc->byte_cnt = datasize;
-
- /* Set this tc desc as zeroth TXUQ */
- KWGBEREG_WR(regs->tcqdp[TXUQ], (u32) p_txdesc);
-
- /* ensure tx desc writes above are performed before we start Tx DMA */
- isb();
-
- /* Apply send command using zeroth TXUQ */
- KWGBEREG_WR(regs->tqc, (1 << TXUQ));
-
- /*
- * wait for packet xmit completion
- */
- cmd_sts = readl(&p_txdesc->cmd_sts);
- while (cmd_sts & KWGBE_BUFFER_OWNED_BY_DMA) {
- /* return fail if error is detected */
- if ((cmd_sts & (KWGBE_ERROR_SUMMARY | KWGBE_TX_LAST_FRAME)) ==
- (KWGBE_ERROR_SUMMARY | KWGBE_TX_LAST_FRAME) &&
- cmd_sts & (KWGBE_UR_ERROR | KWGBE_RL_ERROR)) {
- printf("Err..(%s) in xmit packet\n", __FUNCTION__);
- return -1;
- }
- cmd_sts = readl(&p_txdesc->cmd_sts);
- };
- return 0;
-}
-
-static int kwgbe_recv(struct eth_device *dev)
-{
- struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
- struct kwgbe_rxdesc *p_rxdesc_curr = dkwgbe->p_rxdesc_curr;
- u32 cmd_sts;
- u32 timeout = 0;
-
- /* wait untill rx packet available or timeout */
- do {
- if (timeout < KWGBE_PHY_SMI_TIMEOUT)
- timeout++;
- else {
- debug("%s time out...\n", __FUNCTION__);
- return -1;
- }
- } while (readl(&p_rxdesc_curr->cmd_sts) & KWGBE_BUFFER_OWNED_BY_DMA);
-
- 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.
- */
- cmd_sts = readl(&p_rxdesc_curr->cmd_sts);
-
- if ((cmd_sts &
- (KWGBE_RX_FIRST_DESC | KWGBE_RX_LAST_DESC))
- != (KWGBE_RX_FIRST_DESC | KWGBE_RX_LAST_DESC)) {
-
- printf("Err..(%s) Dropping packet spread on"
- " multiple descriptors\n", __FUNCTION__);
-
- } else if (cmd_sts & KWGBE_ERROR_SUMMARY) {
-
- 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 =
- KWGBE_BUFFER_OWNED_BY_DMA | KWGBE_RX_EN_INTERRUPT;
- p_rxdesc_curr->buf_size = PKTSIZE_ALIGN;
- p_rxdesc_curr->byte_cnt = 0;
-
- writel((unsigned)p_rxdesc_curr->nxtdesc_p, (u32) &dkwgbe->p_rxdesc_curr);
-
- return 0;
-}
-
-int kirkwood_egiga_initialize(bd_t * bis)
-{
- struct kwgbe_device *dkwgbe;
- struct eth_device *dev;
- int devnum;
- char *s;
- u8 used_ports[MAX_KWGBE_DEVS] = CONFIG_KIRKWOOD_EGIGA_PORTS;
-
- for (devnum = 0; devnum < MAX_KWGBE_DEVS; devnum++) {
- /*skip if port is configured not to use */
- if (used_ports[devnum] == 0)
- continue;
-
- if (!(dkwgbe = malloc(sizeof(struct kwgbe_device))))
- goto error1;
-
- memset(dkwgbe, 0, sizeof(struct kwgbe_device));
-
- if (!(dkwgbe->p_rxdesc =
- (struct kwgbe_rxdesc *)memalign(PKTALIGN,
- KW_RXQ_DESC_ALIGNED_SIZE
- * RINGSZ + 1)))
- goto error2;
-
- if (!(dkwgbe->p_rxbuf = (u8 *) memalign(PKTALIGN, RINGSZ
- * PKTSIZE_ALIGN + 1)))
- goto error3;
-
- if (!(dkwgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN)))
- goto error4;
-
- if (!(dkwgbe->p_txdesc = (struct kwgbe_txdesc *)
- memalign(PKTALIGN, sizeof(struct kwgbe_txdesc) + 1))) {
- free(dkwgbe->p_aligned_txbuf);
- error4:
- free(dkwgbe->p_rxbuf);
- error3:
- free(dkwgbe->p_rxdesc);
- error2:
- free(dkwgbe);
- error1:
- printf("Err.. %s Failed to allocate memory\n",
- __FUNCTION__);
- return -1;
- }
-
- dev = &dkwgbe->dev;
-
- /* must be less than NAMESIZE (16) */
- sprintf(dev->name, "egiga%d", devnum);
-
- /* Extract the MAC address from the environment */
- switch (devnum) {
- case 0:
- dkwgbe->regs = (void *)KW_EGIGA0_BASE;
- s = "ethaddr";
- break;
- case 1:
- dkwgbe->regs = (void *)KW_EGIGA1_BASE;
- s = "eth1addr";
- break;
- default: /* this should never happen */
- printf("Err..(%s) Invalid device number %d\n",
- __FUNCTION__, devnum);
- return -1;
- }
-
- while (!eth_getenv_enetaddr(s, dev->enetaddr)) {
- /* Generate Private MAC addr if not set */
- dev->enetaddr[0] = 0x02;
- dev->enetaddr[1] = 0x50;
- dev->enetaddr[2] = 0x43;
-#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 */
- dev->enetaddr[3] = get_random_hex();
- dev->enetaddr[4] = get_random_hex();
- dev->enetaddr[5] = get_random_hex();
-#endif
- eth_setenv_enetaddr(s, dev->enetaddr);
- }
-
- dev->init = (void *)kwgbe_init;
- dev->halt = (void *)kwgbe_halt;
- dev->send = (void *)kwgbe_send;
- dev->recv = (void *)kwgbe_recv;
- dev->write_hwaddr = (void *)kwgbe_write_hwaddr;
-
- 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 */
- miiphy_write(dev->name, KIRKWOOD_PHY_ADR_REQUEST,
- KIRKWOOD_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
-#endif
- }
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2009
- * Marvell Semiconductor <www.marvell.com>
- * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
- *
- * based on - Driver for MV64360X ethernet ports
- * Copyright (C) 2002 rabeeh@galileo.co.il
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#ifndef __EGIGA_H__
-#define __EGIGA_H__
-
-#define MAX_KWGBE_DEVS 2 /*controller has two ports */
-
-/* PHY_BASE_ADR is board specific and can be configured */
-#if defined (CONFIG_PHY_BASE_ADR)
-#define PHY_BASE_ADR CONFIG_PHY_BASE_ADR
-#else
-#define PHY_BASE_ADR 0x08 /* default phy base addr */
-#endif
-
-/* Constants */
-#define INT_CAUSE_UNMASK_ALL 0x0007ffff
-#define INT_CAUSE_UNMASK_ALL_EXT 0x0011ffff
-#define MRU_MASK 0xfff1ffff
-#define PHYADR_MASK 0x0000001f
-#define PHYREG_MASK 0x0000001f
-#define QTKNBKT_DEF_VAL 0x3fffffff
-#define QMTBS_DEF_VAL 0x000003ff
-#define QTKNRT_DEF_VAL 0x0000fcff
-#define RXUQ 0 /* Used Rx queue */
-#define TXUQ 0 /* Used Rx queue */
-
-#define to_dkwgbe(_kd) container_of(_kd, struct kwgbe_device, dev)
-#define KWGBEREG_WR(adr, val) writel(val, &adr)
-#define KWGBEREG_RD(adr) readl(&adr)
-#define KWGBEREG_BITS_RESET(adr, val) writel(readl(&adr) & ~(val), &adr)
-#define KWGBEREG_BITS_SET(adr, val) writel(readl(&adr) | val, &adr)
-
-/* Default port configuration value */
-#define PRT_CFG_VAL ( \
- KWGBE_UCAST_MOD_NRML | \
- KWGBE_DFLT_RXQ(RXUQ) | \
- KWGBE_DFLT_RX_ARPQ(RXUQ) | \
- KWGBE_RX_BC_IF_NOT_IP_OR_ARP | \
- KWGBE_RX_BC_IF_IP | \
- KWGBE_RX_BC_IF_ARP | \
- KWGBE_CPTR_TCP_FRMS_DIS | \
- KWGBE_CPTR_UDP_FRMS_DIS | \
- KWGBE_DFLT_RX_TCPQ(RXUQ) | \
- KWGBE_DFLT_RX_UDPQ(RXUQ) | \
- KWGBE_DFLT_RX_BPDUQ(RXUQ))
-
-/* Default port extend configuration value */
-#define PORT_CFG_EXTEND_VALUE \
- KWGBE_SPAN_BPDU_PACKETS_AS_NORMAL | \
- KWGBE_PARTITION_DIS | \
- KWGBE_TX_CRC_GENERATION_EN
-
-#define GT_KWGBE_IPG_INT_RX(value) ((value & 0x3fff) << 8)
-
-/* Default sdma control value */
-#define PORT_SDMA_CFG_VALUE ( \
- KWGBE_RX_BURST_SIZE_16_64BIT | \
- KWGBE_BLM_RX_NO_SWAP | \
- KWGBE_BLM_TX_NO_SWAP | \
- GT_KWGBE_IPG_INT_RX(RXUQ) | \
- KWGBE_TX_BURST_SIZE_16_64BIT)
-
-/* Default port serial control value */
-#define PORT_SERIAL_CONTROL_VALUE ( \
- KWGBE_FORCE_LINK_PASS | \
- KWGBE_DIS_AUTO_NEG_FOR_DUPLX | \
- KWGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL | \
- KWGBE_ADV_NO_FLOW_CTRL | \
- KWGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX | \
- KWGBE_FORCE_BP_MODE_NO_JAM | \
- (1 << 9) /* Reserved bit has to be 1 */ | \
- KWGBE_DO_NOT_FORCE_LINK_FAIL | \
- KWGBE_EN_AUTO_NEG_SPEED_GMII | \
- KWGBE_DTE_ADV_0 | \
- KWGBE_MIIPHY_MAC_MODE | \
- KWGBE_AUTO_NEG_NO_CHANGE | \
- KWGBE_MAX_RX_PACKET_1552BYTE | \
- KWGBE_CLR_EXT_LOOPBACK | \
- KWGBE_SET_FULL_DUPLEX_MODE | \
- KWGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX)
-
-/* Tx WRR confoguration macros */
-#define PORT_MAX_TRAN_UNIT 0x24 /* MTU register (default) 9KByte */
-#define PORT_MAX_TOKEN_BUCKET_SIZE 0x_FFFF /* PMTBS reg (default) */
-#define PORT_TOKEN_RATE 1023 /* PTTBRC reg (default) */
-/* MAC accepet/reject macros */
-#define ACCEPT_MAC_ADDR 0
-#define REJECT_MAC_ADDR 1
-/* Size of a Tx/Rx descriptor used in chain list data structure */
-#define KW_RXQ_DESC_ALIGNED_SIZE \
- (((sizeof(struct kwgbe_rxdesc) / PKTALIGN) + 1) * PKTALIGN)
-/* Buffer offset from buffer pointer */
-#define RX_BUF_OFFSET 0x2
-
-/* Port serial status reg (PSR) */
-#define KWGBE_INTERFACE_GMII_MII 0
-#define KWGBE_INTERFACE_PCM 1
-#define KWGBE_LINK_IS_DOWN 0
-#define KWGBE_LINK_IS_UP (1 << 1)
-#define KWGBE_PORT_AT_HALF_DUPLEX 0
-#define KWGBE_PORT_AT_FULL_DUPLEX (1 << 2)
-#define KWGBE_RX_FLOW_CTRL_DISD 0
-#define KWGBE_RX_FLOW_CTRL_ENBALED (1 << 3)
-#define KWGBE_GMII_SPEED_100_10 0
-#define KWGBE_GMII_SPEED_1000 (1 << 4)
-#define KWGBE_MII_SPEED_10 0
-#define KWGBE_MII_SPEED_100 (1 << 5)
-#define KWGBE_NO_TX 0
-#define KWGBE_TX_IN_PROGRESS (1 << 7)
-#define KWGBE_BYPASS_NO_ACTIVE 0
-#define KWGBE_BYPASS_ACTIVE (1 << 8)
-#define KWGBE_PORT_NOT_AT_PARTN_STT 0
-#define KWGBE_PORT_AT_PARTN_STT (1 << 9)
-#define KWGBE_PORT_TX_FIFO_NOT_EMPTY 0
-#define KWGBE_PORT_TX_FIFO_EMPTY (1 << 10)
-
-/* These macros describes the Port configuration reg (Px_cR) bits */
-#define KWGBE_UCAST_MOD_NRML 0
-#define KWGBE_UNICAST_PROMISCUOUS_MODE 1
-#define KWGBE_DFLT_RXQ(_x) (_x << 1)
-#define KWGBE_DFLT_RX_ARPQ(_x) (_x << 4)
-#define KWGBE_RX_BC_IF_NOT_IP_OR_ARP 0
-#define KWGBE_REJECT_BC_IF_NOT_IP_OR_ARP (1 << 7)
-#define KWGBE_RX_BC_IF_IP 0
-#define KWGBE_REJECT_BC_IF_IP (1 << 8)
-#define KWGBE_RX_BC_IF_ARP 0
-#define KWGBE_REJECT_BC_IF_ARP (1 << 9)
-#define KWGBE_TX_AM_NO_UPDATE_ERR_SMRY (1 << 12)
-#define KWGBE_CPTR_TCP_FRMS_DIS 0
-#define KWGBE_CPTR_TCP_FRMS_EN (1 << 14)
-#define KWGBE_CPTR_UDP_FRMS_DIS 0
-#define KWGBE_CPTR_UDP_FRMS_EN (1 << 15)
-#define KWGBE_DFLT_RX_TCPQ(_x) (_x << 16)
-#define KWGBE_DFLT_RX_UDPQ(_x) (_x << 19)
-#define KWGBE_DFLT_RX_BPDUQ(_x) (_x << 22)
-#define KWGBE_DFLT_RX_TCP_CHKSUM_MODE (1 << 25)
-
-/* These macros describes the Port configuration extend reg (Px_cXR) bits*/
-#define KWGBE_CLASSIFY_EN 1
-#define KWGBE_SPAN_BPDU_PACKETS_AS_NORMAL 0
-#define KWGBE_SPAN_BPDU_PACKETS_TO_RX_Q7 (1 << 1)
-#define KWGBE_PARTITION_DIS 0
-#define KWGBE_PARTITION_EN (1 << 2)
-#define KWGBE_TX_CRC_GENERATION_EN 0
-#define KWGBE_TX_CRC_GENERATION_DIS (1 << 3)
-
-/* These macros describes the Port Sdma configuration reg (SDCR) bits */
-#define KWGBE_RIFB 1
-#define KWGBE_RX_BURST_SIZE_1_64BIT 0
-#define KWGBE_RX_BURST_SIZE_2_64BIT (1 << 1)
-#define KWGBE_RX_BURST_SIZE_4_64BIT (1 << 2)
-#define KWGBE_RX_BURST_SIZE_8_64BIT ((1 << 2) | (1 << 1))
-#define KWGBE_RX_BURST_SIZE_16_64BIT (1 << 3)
-#define KWGBE_BLM_RX_NO_SWAP (1 << 4)
-#define KWGBE_BLM_RX_BYTE_SWAP 0
-#define KWGBE_BLM_TX_NO_SWAP (1 << 5)
-#define KWGBE_BLM_TX_BYTE_SWAP 0
-#define KWGBE_DESCRIPTORS_BYTE_SWAP (1 << 6)
-#define KWGBE_DESCRIPTORS_NO_SWAP 0
-#define KWGBE_TX_BURST_SIZE_1_64BIT 0
-#define KWGBE_TX_BURST_SIZE_2_64BIT (1 << 22)
-#define KWGBE_TX_BURST_SIZE_4_64BIT (1 << 23)
-#define KWGBE_TX_BURST_SIZE_8_64BIT ((1 << 23) | (1 << 22))
-#define KWGBE_TX_BURST_SIZE_16_64BIT (1 << 24)
-
-/* These macros describes the Port serial control reg (PSCR) bits */
-#define KWGBE_SERIAL_PORT_DIS 0
-#define KWGBE_SERIAL_PORT_EN 1
-#define KWGBE_FORCE_LINK_PASS (1 << 1)
-#define KWGBE_DO_NOT_FORCE_LINK_PASS 0
-#define KWGBE_EN_AUTO_NEG_FOR_DUPLX 0
-#define KWGBE_DIS_AUTO_NEG_FOR_DUPLX (1 << 2)
-#define KWGBE_EN_AUTO_NEG_FOR_FLOW_CTRL 0
-#define KWGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL (1 << 3)
-#define KWGBE_ADV_NO_FLOW_CTRL 0
-#define KWGBE_ADV_SYMMETRIC_FLOW_CTRL (1 << 4)
-#define KWGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX 0
-#define KWGBE_FORCE_FC_MODE_TX_PAUSE_DIS (1 << 5)
-#define KWGBE_FORCE_BP_MODE_NO_JAM 0
-#define KWGBE_FORCE_BP_MODE_JAM_TX (1 << 7)
-#define KWGBE_FORCE_BP_MODE_JAM_TX_ON_RX_ERR (1 << 8)
-#define KWGBE_FORCE_LINK_FAIL 0
-#define KWGBE_DO_NOT_FORCE_LINK_FAIL (1 << 10)
-#define KWGBE_DIS_AUTO_NEG_SPEED_GMII (1 << 13)
-#define KWGBE_EN_AUTO_NEG_SPEED_GMII 0
-#define KWGBE_DTE_ADV_0 0
-#define KWGBE_DTE_ADV_1 (1 << 14)
-#define KWGBE_MIIPHY_MAC_MODE 0
-#define KWGBE_MIIPHY_PHY_MODE (1 << 15)
-#define KWGBE_AUTO_NEG_NO_CHANGE 0
-#define KWGBE_RESTART_AUTO_NEG (1 << 16)
-#define KWGBE_MAX_RX_PACKET_1518BYTE 0
-#define KWGBE_MAX_RX_PACKET_1522BYTE (1 << 17)
-#define KWGBE_MAX_RX_PACKET_1552BYTE (1 << 18)
-#define KWGBE_MAX_RX_PACKET_9022BYTE ((1 << 18) | (1 << 17))
-#define KWGBE_MAX_RX_PACKET_9192BYTE (1 << 19)
-#define KWGBE_MAX_RX_PACKET_9700BYTE ((1 << 19) | (1 << 17))
-#define KWGBE_SET_EXT_LOOPBACK (1 << 20)
-#define KWGBE_CLR_EXT_LOOPBACK 0
-#define KWGBE_SET_FULL_DUPLEX_MODE (1 << 21)
-#define KWGBE_SET_HALF_DUPLEX_MODE 0
-#define KWGBE_EN_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX (1 << 22)
-#define KWGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX 0
-#define KWGBE_SET_GMII_SPEED_TO_10_100 0
-#define KWGBE_SET_GMII_SPEED_TO_1000 (1 << 23)
-#define KWGBE_SET_MII_SPEED_TO_10 0
-#define KWGBE_SET_MII_SPEED_TO_100 (1 << 24)
-
-/* SMI register fields */
-#define KWGBE_PHY_SMI_TIMEOUT 10000
-#define KWGBE_PHY_SMI_DATA_OFFS 0 /* Data */
-#define KWGBE_PHY_SMI_DATA_MASK (0xffff << KWGBE_PHY_SMI_DATA_OFFS)
-#define KWGBE_PHY_SMI_DEV_ADDR_OFFS 16 /* PHY device address */
-#define KWGBE_PHY_SMI_DEV_ADDR_MASK (PHYADR_MASK << KWGBE_PHY_SMI_DEV_ADDR_OFFS)
-#define KWGBE_SMI_REG_ADDR_OFFS 21 /* PHY device reg addr */
-#define KWGBE_SMI_REG_ADDR_MASK (PHYADR_MASK << KWGBE_SMI_REG_ADDR_OFFS)
-#define KWGBE_PHY_SMI_OPCODE_OFFS 26 /* Write/Read opcode */
-#define KWGBE_PHY_SMI_OPCODE_MASK (3 << KWGBE_PHY_SMI_OPCODE_OFFS)
-#define KWGBE_PHY_SMI_OPCODE_WRITE (0 << KWGBE_PHY_SMI_OPCODE_OFFS)
-#define KWGBE_PHY_SMI_OPCODE_READ (1 << KWGBE_PHY_SMI_OPCODE_OFFS)
-#define KWGBE_PHY_SMI_READ_VALID_MASK (1 << 27) /* Read Valid */
-#define KWGBE_PHY_SMI_BUSY_MASK (1 << 28) /* Busy */
-
-/* SDMA command status fields macros */
-/* Tx & Rx descriptors status */
-#define KWGBE_ERROR_SUMMARY 1
-/* Tx & Rx descriptors command */
-#define KWGBE_BUFFER_OWNED_BY_DMA (1 << 31)
-/* Tx descriptors status */
-#define KWGBE_LC_ERROR 0
-#define KWGBE_UR_ERROR (1 << 1)
-#define KWGBE_RL_ERROR (1 << 2)
-#define KWGBE_LLC_SNAP_FORMAT (1 << 9)
-#define KWGBE_TX_LAST_FRAME (1 << 20)
-
-/* Rx descriptors status */
-#define KWGBE_CRC_ERROR 0
-#define KWGBE_OVERRUN_ERROR (1 << 1)
-#define KWGBE_MAX_FRAME_LENGTH_ERROR (1 << 2)
-#define KWGBE_RESOURCE_ERROR ((1 << 2) | (1 << 1))
-#define KWGBE_VLAN_TAGGED (1 << 19)
-#define KWGBE_BPDU_FRAME (1 << 20)
-#define KWGBE_TCP_FRAME_OVER_IP_V_4 0
-#define KWGBE_UDP_FRAME_OVER_IP_V_4 (1 << 21)
-#define KWGBE_OTHER_FRAME_TYPE (1 << 22)
-#define KWGBE_LAYER_2_IS_KWGBE_V_2 (1 << 23)
-#define KWGBE_FRAME_TYPE_IP_V_4 (1 << 24)
-#define KWGBE_FRAME_HEADER_OK (1 << 25)
-#define KWGBE_RX_LAST_DESC (1 << 26)
-#define KWGBE_RX_FIRST_DESC (1 << 27)
-#define KWGBE_UNKNOWN_DESTINATION_ADDR (1 << 28)
-#define KWGBE_RX_EN_INTERRUPT (1 << 29)
-#define KWGBE_LAYER_4_CHECKSUM_OK (1 << 30)
-
-/* Rx descriptors byte count */
-#define KWGBE_FRAME_FRAGMENTED (1 << 2)
-
-/* Tx descriptors command */
-#define KWGBE_LAYER_4_CHECKSUM_FIRST_DESC (1 << 10)
-#define KWGBE_FRAME_SET_TO_VLAN (1 << 15)
-#define KWGBE_TCP_FRAME 0
-#define KWGBE_UDP_FRAME (1 << 16)
-#define KWGBE_GEN_TCP_UDP_CHECKSUM (1 << 17)
-#define KWGBE_GEN_IP_V_4_CHECKSUM (1 << 18)
-#define KWGBE_ZERO_PADDING (1 << 19)
-#define KWGBE_TX_LAST_DESC (1 << 20)
-#define KWGBE_TX_FIRST_DESC (1 << 21)
-#define KWGBE_GEN_CRC (1 << 22)
-#define KWGBE_TX_EN_INTERRUPT (1 << 23)
-#define KWGBE_AUTO_MODE (1 << 30)
-
-/* Address decode parameters */
-/* Ethernet Base Address Register bits */
-#define EBAR_TARGET_DRAM 0x00000000
-#define EBAR_TARGET_DEVICE 0x00000001
-#define EBAR_TARGET_CBS 0x00000002
-#define EBAR_TARGET_PCI0 0x00000003
-#define EBAR_TARGET_PCI1 0x00000004
-#define EBAR_TARGET_CUNIT 0x00000005
-#define EBAR_TARGET_AUNIT 0x00000006
-#define EBAR_TARGET_GUNIT 0x00000007
-
-/* Window attrib */
-#define EBAR_DRAM_CS0 0x00000E00
-#define EBAR_DRAM_CS1 0x00000D00
-#define EBAR_DRAM_CS2 0x00000B00
-#define EBAR_DRAM_CS3 0x00000700
-
-/* DRAM Target interface */
-#define EBAR_DRAM_NO_CACHE_COHERENCY 0x00000000
-#define EBAR_DRAM_CACHE_COHERENCY_WT 0x00001000
-#define EBAR_DRAM_CACHE_COHERENCY_WB 0x00002000
-
-/* Device Bus Target interface */
-#define EBAR_DEVICE_DEVCS0 0x00001E00
-#define EBAR_DEVICE_DEVCS1 0x00001D00
-#define EBAR_DEVICE_DEVCS2 0x00001B00
-#define EBAR_DEVICE_DEVCS3 0x00001700
-#define EBAR_DEVICE_BOOTCS3 0x00000F00
-
-/* PCI Target interface */
-#define EBAR_PCI_BYTE_SWAP 0x00000000
-#define EBAR_PCI_NO_SWAP 0x00000100
-#define EBAR_PCI_BYTE_WORD_SWAP 0x00000200
-#define EBAR_PCI_WORD_SWAP 0x00000300
-#define EBAR_PCI_NO_SNOOP_NOT_ASSERT 0x00000000
-#define EBAR_PCI_NO_SNOOP_ASSERT 0x00000400
-#define EBAR_PCI_IO_SPACE 0x00000000
-#define EBAR_PCI_MEMORY_SPACE 0x00000800
-#define EBAR_PCI_REQ64_FORCE 0x00000000
-#define EBAR_PCI_REQ64_SIZE 0x00001000
-
-/* Window access control */
-#define EWIN_ACCESS_NOT_ALLOWED 0
-#define EWIN_ACCESS_READ_ONLY 1
-#define EWIN_ACCESS_FULL ((1 << 1) | 1)
-
-/* structures represents Controller registers */
-struct kwgbe_barsz {
- u32 bar;
- u32 size;
-};
-
-struct kwgbe_rxcdp {
- struct kwgbe_rxdesc *rxcdp;
- u32 rxcdp_pad[3];
-};
-
-struct kwgbe_tqx {
- u32 qxttbc;
- u32 tqxtbc;
- u32 tqxac;
- u32 tqxpad;
-};
-
-struct kwgbe_registers {
- u32 phyadr;
- u32 smi;
- u32 euda;
- u32 eudid;
- u8 pad1[0x080 - 0x00c - 4];
- u32 euic;
- u32 euim;
- u8 pad2[0x094 - 0x084 - 4];
- u32 euea;
- u32 euiae;
- u8 pad3[0x0b0 - 0x098 - 4];
- u32 euc;
- u8 pad3a[0x200 - 0x0b0 - 4];
- struct kwgbe_barsz barsz[6];
- u8 pad4[0x280 - 0x22c - 4];
- u32 ha_remap[4];
- u32 bare;
- u32 epap;
- u8 pad5[0x400 - 0x294 - 4];
- u32 pxc;
- u32 pxcx;
- u32 mii_ser_params;
- u8 pad6[0x410 - 0x408 - 4];
- u32 evlane;
- u32 macal;
- u32 macah;
- u32 sdc;
- u32 dscp[7];
- u32 psc0;
- u32 vpt2p;
- u32 ps0;
- u32 tqc;
- u32 psc1;
- u32 ps1;
- u32 mrvl_header;
- u8 pad7[0x460 - 0x454 - 4];
- u32 ic;
- u32 ice;
- u32 pim;
- u32 peim;
- u8 pad8[0x474 - 0x46c - 4];
- u32 pxtfut;
- u32 pad9;
- u32 pxmfs;
- u32 pad10;
- u32 pxdfc;
- u32 pxofc;
- u8 pad11[0x494 - 0x488 - 4];
- u32 peuiae;
- u8 pad12[0x4bc - 0x494 - 4];
- u32 eth_type_prio;
- u8 pad13[0x4dc - 0x4bc - 4];
- u32 tqfpc;
- u32 pttbrc;
- u32 tqc1;
- u32 pmtu;
- u32 pmtbs;
- u8 pad14[0x60c - 0x4ec - 4];
- struct kwgbe_rxcdp rxcdp[7];
- struct kwgbe_rxdesc *rxcdp7;
- u32 rqc;
- struct kwgbe_txdesc *tcsdp;
- u8 pad15[0x6c0 - 0x684 - 4];
- struct kwgbe_txdesc *tcqdp[8];
- u8 pad16[0x700 - 0x6dc - 4];
- struct kwgbe_tqx tqx[8];
- u32 pttbc;
- u8 pad17[0x7a8 - 0x780 - 4];
- u32 tqxipg0;
- u32 pad18[3];
- u32 tqxipg1;
- u8 pad19[0x7c0 - 0x7b8 - 4];
- u32 hitkninlopkt;
- u32 hitkninasyncpkt;
- u32 lotkninasyncpkt;
- u32 pad20;
- u32 ts;
- u8 pad21[0x3000 - 0x27d0 - 4];
- u32 pad20_1[32]; /* mib counter registes */
- u8 pad22[0x3400 - 0x3000 - sizeof(u32) * 32];
- u32 dfsmt[64];
- u32 dfomt[64];
- u32 dfut[4];
- u8 pad23[0xe20c0 - 0x7360c - 4];
- u32 pmbus_top_arbiter;
-};
-
-/* structures/enums needed by driver */
-enum kwgbe_adrwin {
- KWGBE_WIN0,
- KWGBE_WIN1,
- KWGBE_WIN2,
- KWGBE_WIN3,
- KWGBE_WIN4,
- KWGBE_WIN5
-};
-
-enum kwgbe_target {
- KWGBE_TARGET_DRAM,
- KWGBE_TARGET_DEV,
- KWGBE_TARGET_CBS,
- KWGBE_TARGET_PCI0,
- KWGBE_TARGET_PCI1
-};
-
-struct kwgbe_winparam {
- enum kwgbe_adrwin win; /* Window number */
- enum kwgbe_target target; /* System targets */
- u16 attrib; /* BAR attrib. See above macros */
- u32 base_addr; /* Window base address in u32 form */
- u32 high_addr; /* Window high address in u32 form */
- u32 size; /* Size in MBytes. Must be % 64Kbyte. */
- int enable; /* Enable/disable access to the window. */
- u16 access_ctrl; /*Access ctrl register. see above macros */
-};
-
-struct kwgbe_rxdesc {
- u32 cmd_sts; /* Descriptor command status */
- u16 buf_size; /* Buffer size */
- u16 byte_cnt; /* Descriptor buffer byte count */
- u8 *buf_ptr; /* Descriptor buffer pointer */
- struct kwgbe_rxdesc *nxtdesc_p; /* Next descriptor pointer */
-};
-
-struct kwgbe_txdesc {
- u32 cmd_sts; /* Descriptor command status */
- u16 l4i_chk; /* CPU provided TCP Checksum */
- u16 byte_cnt; /* Descriptor buffer byte count */
- u8 *buf_ptr; /* Descriptor buffer ptr */
- struct kwgbe_txdesc *nxtdesc_p; /* Next descriptor ptr */
-};
-
-/* port device data struct */
-struct kwgbe_device {
- struct eth_device dev;
- struct kwgbe_registers *regs;
- struct kwgbe_txdesc *p_txdesc;
- struct kwgbe_rxdesc *p_rxdesc;
- struct kwgbe_rxdesc *p_rxdesc_curr;
- u8 *p_rxbuf;
- u8 *p_aligned_txbuf;
-};
-
-#endif /* __EGIGA_H__ */
--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * (C) Copyright 2003
+ * Ingo Assmus <ingo.assmus@keymile.com>
+ *
+ * based on - Driver for MV64360X ethernet ports
+ * Copyright (C) 2002 rabeeh@galileo.co.il
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <common.h>
+#include <net.h>
+#include <malloc.h>
+#include <miiphy.h>
+#include <asm/errno.h>
+#include <asm/types.h>
+#include <asm/byteorder.h>
+#include <asm/arch/kirkwood.h>
+#include "mvgbe.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define KIRKWOOD_PHY_ADR_REQUEST 0xee
+#define KWGBE_SMI_REG (((struct kwgbe_registers *)KW_EGIGA0_BASE)->smi)
+
+/*
+ * smi_reg_read - miiphy_read callback function.
+ *
+ * Returns 16bit phy register value, or 0xffff on error
+ */
+static int smi_reg_read(char *devname, u8 phy_adr, u8 reg_ofs, u16 * data)
+{
+ struct eth_device *dev = eth_get_dev_by_name(devname);
+ struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
+ struct kwgbe_registers *regs = dkwgbe->regs;
+ u32 smi_reg;
+ u32 timeout;
+
+ /* Phyadr read request */
+ if (phy_adr == KIRKWOOD_PHY_ADR_REQUEST &&
+ reg_ofs == KIRKWOOD_PHY_ADR_REQUEST) {
+ /* */
+ *data = (u16) (KWGBEREG_RD(regs->phyadr) & PHYADR_MASK);
+ return 0;
+ }
+ /* check parameters */
+ if (phy_adr > PHYADR_MASK) {
+ printf("Err..(%s) Invalid PHY address %d\n",
+ __FUNCTION__, phy_adr);
+ return -EFAULT;
+ }
+ if (reg_ofs > PHYREG_MASK) {
+ printf("Err..(%s) Invalid register offset %d\n",
+ __FUNCTION__, reg_ofs);
+ return -EFAULT;
+ }
+
+ timeout = KWGBE_PHY_SMI_TIMEOUT;
+ /* wait till the SMI is not busy */
+ do {
+ /* read smi register */
+ smi_reg = KWGBEREG_RD(KWGBE_SMI_REG);
+ if (timeout-- == 0) {
+ printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
+ return -EFAULT;
+ }
+ } while (smi_reg & KWGBE_PHY_SMI_BUSY_MASK);
+
+ /* fill the phy address and regiser offset and read opcode */
+ smi_reg = (phy_adr << KWGBE_PHY_SMI_DEV_ADDR_OFFS)
+ | (reg_ofs << KWGBE_SMI_REG_ADDR_OFFS)
+ | KWGBE_PHY_SMI_OPCODE_READ;
+
+ /* write the smi register */
+ KWGBEREG_WR(KWGBE_SMI_REG, smi_reg);
+
+ /*wait till read value is ready */
+ timeout = KWGBE_PHY_SMI_TIMEOUT;
+
+ do {
+ /* read smi register */
+ smi_reg = KWGBEREG_RD(KWGBE_SMI_REG);
+ if (timeout-- == 0) {
+ printf("Err..(%s) SMI read ready timeout\n",
+ __FUNCTION__);
+ return -EFAULT;
+ }
+ } while (!(smi_reg & KWGBE_PHY_SMI_READ_VALID_MASK));
+
+ /* Wait for the data to update in the SMI register */
+ for (timeout = 0; timeout < KWGBE_PHY_SMI_TIMEOUT; timeout++) ;
+
+ *data = (u16) (KWGBEREG_RD(KWGBE_SMI_REG) & KWGBE_PHY_SMI_DATA_MASK);
+
+ debug("%s:(adr %d, off %d) value= %04x\n", __FUNCTION__, phy_adr,
+ reg_ofs, *data);
+
+ return 0;
+}
+
+/*
+ * smi_reg_write - imiiphy_write callback function.
+ *
+ * Returns 0 if write succeed, -EINVAL on bad parameters
+ * -ETIME on timeout
+ */
+static int smi_reg_write(char *devname, u8 phy_adr, u8 reg_ofs, u16 data)
+{
+ struct eth_device *dev = eth_get_dev_by_name(devname);
+ struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
+ struct kwgbe_registers *regs = dkwgbe->regs;
+ u32 smi_reg;
+ u32 timeout;
+
+ /* Phyadr write request*/
+ if (phy_adr == KIRKWOOD_PHY_ADR_REQUEST &&
+ reg_ofs == KIRKWOOD_PHY_ADR_REQUEST) {
+ KWGBEREG_WR(regs->phyadr, data);
+ return 0;
+ }
+
+ /* check parameters */
+ if (phy_adr > PHYADR_MASK) {
+ printf("Err..(%s) Invalid phy address\n", __FUNCTION__);
+ return -EINVAL;
+ }
+ if (reg_ofs > PHYREG_MASK) {
+ printf("Err..(%s) Invalid register offset\n", __FUNCTION__);
+ return -EINVAL;
+ }
+
+ /* wait till the SMI is not busy */
+ timeout = KWGBE_PHY_SMI_TIMEOUT;
+ do {
+ /* read smi register */
+ smi_reg = KWGBEREG_RD(KWGBE_SMI_REG);
+ if (timeout-- == 0) {
+ printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
+ return -ETIME;
+ }
+ } while (smi_reg & KWGBE_PHY_SMI_BUSY_MASK);
+
+ /* fill the phy addr and reg offset and write opcode and data */
+ smi_reg = (data << KWGBE_PHY_SMI_DATA_OFFS);
+ smi_reg |= (phy_adr << KWGBE_PHY_SMI_DEV_ADDR_OFFS)
+ | (reg_ofs << KWGBE_SMI_REG_ADDR_OFFS);
+ smi_reg &= ~KWGBE_PHY_SMI_OPCODE_READ;
+
+ /* write the smi register */
+ KWGBEREG_WR(KWGBE_SMI_REG, smi_reg);
+
+ return 0;
+}
+
+/* Stop and checks all queues */
+static void stop_queue(u32 * qreg)
+{
+ u32 reg_data;
+
+ reg_data = readl(qreg);
+
+ if (reg_data & 0xFF) {
+ /* Issue stop command for active channels only */
+ writel((reg_data << 8), qreg);
+
+ /* Wait for all queue activity to terminate. */
+ do {
+ /*
+ * Check port cause register that all queues
+ * are stopped
+ */
+ reg_data = readl(qreg);
+ }
+ while (reg_data & 0xFF);
+ }
+}
+
+/*
+ * set_access_control - Config address decode parameters for Ethernet unit
+ *
+ * This function configures the address decode parameters for the Gigabit
+ * Ethernet Controller according the given parameters struct.
+ *
+ * @regs Register struct pointer.
+ * @param Address decode parameter struct.
+ */
+static void set_access_control(struct kwgbe_registers *regs,
+ struct kwgbe_winparam *param)
+{
+ u32 access_prot_reg;
+
+ /* Set access control register */
+ access_prot_reg = KWGBEREG_RD(regs->epap);
+ /* clear window permission */
+ access_prot_reg &= (~(3 << (param->win * 2)));
+ access_prot_reg |= (param->access_ctrl << (param->win * 2));
+ KWGBEREG_WR(regs->epap, access_prot_reg);
+
+ /* Set window Size reg (SR) */
+ KWGBEREG_WR(regs->barsz[param->win].size,
+ (((param->size / 0x10000) - 1) << 16));
+
+ /* Set window Base address reg (BA) */
+ KWGBEREG_WR(regs->barsz[param->win].bar,
+ (param->target | param->attrib | param->base_addr));
+ /* High address remap reg (HARR) */
+ if (param->win < 4)
+ KWGBEREG_WR(regs->ha_remap[param->win], param->high_addr);
+
+ /* Base address enable reg (BARER) */
+ if (param->enable == 1)
+ KWGBEREG_BITS_RESET(regs->bare, (1 << param->win));
+ else
+ KWGBEREG_BITS_SET(regs->bare, (1 << param->win));
+}
+
+static void set_dram_access(struct kwgbe_registers *regs)
+{
+ struct kwgbe_winparam win_param;
+ int i;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ /* Set access parameters for DRAM bank i */
+ win_param.win = i; /* Use Ethernet window i */
+ /* Window target - DDR */
+ win_param.target = KWGBE_TARGET_DRAM;
+ /* Enable full access */
+ win_param.access_ctrl = EWIN_ACCESS_FULL;
+ win_param.high_addr = 0;
+ /* Get bank base and size */
+ win_param.base_addr = gd->bd->bi_dram[i].start;
+ win_param.size = gd->bd->bi_dram[i].size;
+ if (win_param.size == 0)
+ win_param.enable = 0;
+ else
+ win_param.enable = 1; /* Enable the access */
+
+ /* Enable DRAM bank */
+ switch (i) {
+ case 0:
+ win_param.attrib = EBAR_DRAM_CS0;
+ break;
+ case 1:
+ win_param.attrib = EBAR_DRAM_CS1;
+ break;
+ case 2:
+ win_param.attrib = EBAR_DRAM_CS2;
+ break;
+ case 3:
+ win_param.attrib = EBAR_DRAM_CS3;
+ break;
+ default:
+ /* invalid bank, disable access */
+ win_param.enable = 0;
+ win_param.attrib = 0;
+ break;
+ }
+ /* Set the access control for address window(EPAPR) RD/WR */
+ set_access_control(regs, &win_param);
+ }
+}
+
+/*
+ * port_init_mac_tables - Clear all entrance in the UC, SMC and OMC tables
+ *
+ * Go through all the DA filter tables (Unicast, Special Multicast & Other
+ * Multicast) and set each entry to 0.
+ */
+static void port_init_mac_tables(struct kwgbe_registers *regs)
+{
+ int table_index;
+
+ /* Clear DA filter unicast table (Ex_dFUT) */
+ for (table_index = 0; table_index < 4; ++table_index)
+ KWGBEREG_WR(regs->dfut[table_index], 0);
+
+ for (table_index = 0; table_index < 64; ++table_index) {
+ /* Clear DA filter special multicast table (Ex_dFSMT) */
+ KWGBEREG_WR(regs->dfsmt[table_index], 0);
+ /* Clear DA filter other multicast table (Ex_dFOMT) */
+ KWGBEREG_WR(regs->dfomt[table_index], 0);
+ }
+}
+
+/*
+ * 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.
+ */
+static int port_uc_addr(struct kwgbe_registers *regs, u8 uc_nibble,
+ 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
+ */
+ unicast_reg = KWGBEREG_RD(regs->dfut[tbl_offset]);
+ unicast_reg &= (0xFF << (8 * reg_offset));
+ KWGBEREG_WR(regs->dfut[tbl_offset], unicast_reg);
+ break;
+ case ACCEPT_MAC_ADDR:
+ /* Set accepts frame bit at unicast DA filter table entry */
+ unicast_reg = KWGBEREG_RD(regs->dfut[tbl_offset]);
+ unicast_reg &= (0xFF << (8 * reg_offset));
+ unicast_reg |= ((0x01 | (RXUQ << 1)) << (8 * reg_offset));
+ KWGBEREG_WR(regs->dfut[tbl_offset], unicast_reg);
+ break;
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+/*
+ * port_uc_addr_set - This function Set the port Unicast address.
+ */
+static void port_uc_addr_set(struct kwgbe_registers *regs, u8 * p_addr)
+{
+ 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);
+
+ KWGBEREG_WR(regs->macal, mac_l);
+ KWGBEREG_WR(regs->macah, mac_h);
+
+ /* Accept frames of this address */
+ port_uc_addr(regs, p_addr[5], ACCEPT_MAC_ADDR);
+}
+
+/*
+ * kwgbe_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory.
+ */
+static void kwgbe_init_rx_desc_ring(struct kwgbe_device *dkwgbe)
+{
+ struct kwgbe_rxdesc *p_rx_desc;
+ int i;
+
+ /* initialize the Rx descriptors ring */
+ p_rx_desc = dkwgbe->p_rxdesc;
+ for (i = 0; i < RINGSZ; i++) {
+ p_rx_desc->cmd_sts =
+ KWGBE_BUFFER_OWNED_BY_DMA | KWGBE_RX_EN_INTERRUPT;
+ p_rx_desc->buf_size = PKTSIZE_ALIGN;
+ p_rx_desc->byte_cnt = 0;
+ p_rx_desc->buf_ptr = dkwgbe->p_rxbuf + i * PKTSIZE_ALIGN;
+ if (i == (RINGSZ - 1))
+ p_rx_desc->nxtdesc_p = dkwgbe->p_rxdesc;
+ else {
+ p_rx_desc->nxtdesc_p = (struct kwgbe_rxdesc *)
+ ((u32) p_rx_desc + KW_RXQ_DESC_ALIGNED_SIZE);
+ p_rx_desc = p_rx_desc->nxtdesc_p;
+ }
+ }
+ dkwgbe->p_rxdesc_curr = dkwgbe->p_rxdesc;
+}
+
+static int kwgbe_init(struct eth_device *dev)
+{
+ struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
+ struct kwgbe_registers *regs = dkwgbe->regs;
+#if (defined (CONFIG_MII) || defined (CONFIG_CMD_MII)) \
+ && defined (CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
+ int i;
+#endif
+ /* setup RX rings */
+ kwgbe_init_rx_desc_ring(dkwgbe);
+
+ /* Clear the ethernet port interrupts */
+ KWGBEREG_WR(regs->ic, 0);
+ KWGBEREG_WR(regs->ice, 0);
+ /* Unmask RX buffer and TX end interrupt */
+ KWGBEREG_WR(regs->pim, INT_CAUSE_UNMASK_ALL);
+ /* Unmask phy and link status changes interrupts */
+ KWGBEREG_WR(regs->peim, INT_CAUSE_UNMASK_ALL_EXT);
+
+ set_dram_access(regs);
+ port_init_mac_tables(regs);
+ port_uc_addr_set(regs, dkwgbe->dev.enetaddr);
+
+ /* Assign port configuration and command. */
+ KWGBEREG_WR(regs->pxc, PRT_CFG_VAL);
+ KWGBEREG_WR(regs->pxcx, PORT_CFG_EXTEND_VALUE);
+ KWGBEREG_WR(regs->psc0, PORT_SERIAL_CONTROL_VALUE);
+
+ /* Assign port SDMA configuration */
+ KWGBEREG_WR(regs->sdc, PORT_SDMA_CFG_VALUE);
+ KWGBEREG_WR(regs->tqx[0].qxttbc, QTKNBKT_DEF_VAL);
+ KWGBEREG_WR(regs->tqx[0].tqxtbc, (QMTBS_DEF_VAL << 16) | QTKNRT_DEF_VAL);
+ /* Turn off the port/RXUQ bandwidth limitation */
+ KWGBEREG_WR(regs->pmtu, 0);
+
+ /* Set maximum receive buffer to 9700 bytes */
+ KWGBEREG_WR(regs->psc0, KWGBE_MAX_RX_PACKET_9700BYTE
+ | (KWGBEREG_RD(regs->psc0) & MRU_MASK));
+
+ /* Enable port initially */
+ KWGBEREG_BITS_SET(regs->psc0, KWGBE_SERIAL_PORT_EN);
+
+ /*
+ * Set ethernet MTU for leaky bucket mechanism to 0 - this will
+ * disable the leaky bucket mechanism .
+ */
+ KWGBEREG_WR(regs->pmtu, 0);
+
+ /* Assignment of Rx CRDB of given RXUQ */
+ KWGBEREG_WR(regs->rxcdp[RXUQ], (u32) dkwgbe->p_rxdesc_curr);
+ /* ensure previous write is done before enabling Rx DMA */
+ isb();
+ /* Enable port Rx. */
+ KWGBEREG_WR(regs->rqc, (1 << RXUQ));
+
+#if (defined (CONFIG_MII) || defined (CONFIG_CMD_MII)) \
+ && defined (CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
+ /* Wait up to 5s for the link status */
+ for (i = 0; i < 5; i++) {
+ u16 phyadr;
+
+ miiphy_read(dev->name, KIRKWOOD_PHY_ADR_REQUEST,
+ KIRKWOOD_PHY_ADR_REQUEST, &phyadr);
+ /* Return if we get link up */
+ if (miiphy_link(dev->name, phyadr))
+ return 0;
+ udelay(1000000);
+ }
+
+ printf("No link on %s\n", dev->name);
+ return -1;
+#endif
+ return 0;
+}
+
+static int kwgbe_halt(struct eth_device *dev)
+{
+ struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
+ struct kwgbe_registers *regs = dkwgbe->regs;
+
+ /* Disable all gigE address decoder */
+ KWGBEREG_WR(regs->bare, 0x3f);
+
+ stop_queue(®s->tqc);
+ stop_queue(®s->rqc);
+
+ /* Disable port */
+ KWGBEREG_BITS_RESET(regs->psc0, KWGBE_SERIAL_PORT_EN);
+ /* Set port is not reset */
+ KWGBEREG_BITS_RESET(regs->psc1, 1 << 4);
+#ifdef CONFIG_SYS_MII_MODE
+ /* Set MMI interface up */
+ KWGBEREG_BITS_RESET(regs->psc1, 1 << 3);
+#endif
+ /* Disable & mask ethernet port interrupts */
+ KWGBEREG_WR(regs->ic, 0);
+ KWGBEREG_WR(regs->ice, 0);
+ KWGBEREG_WR(regs->pim, 0);
+ KWGBEREG_WR(regs->peim, 0);
+
+ return 0;
+}
+
+static int kwgbe_write_hwaddr(struct eth_device *dev)
+{
+ struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
+ struct kwgbe_registers *regs = dkwgbe->regs;
+
+ /* Programs net device MAC address after initialization */
+ port_uc_addr_set(regs, dkwgbe->dev.enetaddr);
+ return 0;
+}
+
+static int kwgbe_send(struct eth_device *dev, volatile void *dataptr,
+ int datasize)
+{
+ struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
+ struct kwgbe_registers *regs = dkwgbe->regs;
+ struct kwgbe_txdesc *p_txdesc = dkwgbe->p_txdesc;
+ void *p = (void *)dataptr;
+ u32 cmd_sts;
+
+ /* Copy buffer if it's misaligned */
+ if ((u32) dataptr & 0x07) {
+ if (datasize > PKTSIZE_ALIGN) {
+ printf("Non-aligned data too large (%d)\n",
+ datasize);
+ return -1;
+ }
+
+ memcpy(dkwgbe->p_aligned_txbuf, p, datasize);
+ p = dkwgbe->p_aligned_txbuf;
+ }
+
+ p_txdesc->cmd_sts = KWGBE_ZERO_PADDING | KWGBE_GEN_CRC;
+ p_txdesc->cmd_sts |= KWGBE_TX_FIRST_DESC | KWGBE_TX_LAST_DESC;
+ p_txdesc->cmd_sts |= KWGBE_BUFFER_OWNED_BY_DMA;
+ p_txdesc->cmd_sts |= KWGBE_TX_EN_INTERRUPT;
+ p_txdesc->buf_ptr = (u8 *) p;
+ p_txdesc->byte_cnt = datasize;
+
+ /* Set this tc desc as zeroth TXUQ */
+ KWGBEREG_WR(regs->tcqdp[TXUQ], (u32) p_txdesc);
+
+ /* ensure tx desc writes above are performed before we start Tx DMA */
+ isb();
+
+ /* Apply send command using zeroth TXUQ */
+ KWGBEREG_WR(regs->tqc, (1 << TXUQ));
+
+ /*
+ * wait for packet xmit completion
+ */
+ cmd_sts = readl(&p_txdesc->cmd_sts);
+ while (cmd_sts & KWGBE_BUFFER_OWNED_BY_DMA) {
+ /* return fail if error is detected */
+ if ((cmd_sts & (KWGBE_ERROR_SUMMARY | KWGBE_TX_LAST_FRAME)) ==
+ (KWGBE_ERROR_SUMMARY | KWGBE_TX_LAST_FRAME) &&
+ cmd_sts & (KWGBE_UR_ERROR | KWGBE_RL_ERROR)) {
+ printf("Err..(%s) in xmit packet\n", __FUNCTION__);
+ return -1;
+ }
+ cmd_sts = readl(&p_txdesc->cmd_sts);
+ };
+ return 0;
+}
+
+static int kwgbe_recv(struct eth_device *dev)
+{
+ struct kwgbe_device *dkwgbe = to_dkwgbe(dev);
+ struct kwgbe_rxdesc *p_rxdesc_curr = dkwgbe->p_rxdesc_curr;
+ u32 cmd_sts;
+ u32 timeout = 0;
+
+ /* wait untill rx packet available or timeout */
+ do {
+ if (timeout < KWGBE_PHY_SMI_TIMEOUT)
+ timeout++;
+ else {
+ debug("%s time out...\n", __FUNCTION__);
+ return -1;
+ }
+ } while (readl(&p_rxdesc_curr->cmd_sts) & KWGBE_BUFFER_OWNED_BY_DMA);
+
+ 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.
+ */
+ cmd_sts = readl(&p_rxdesc_curr->cmd_sts);
+
+ if ((cmd_sts &
+ (KWGBE_RX_FIRST_DESC | KWGBE_RX_LAST_DESC))
+ != (KWGBE_RX_FIRST_DESC | KWGBE_RX_LAST_DESC)) {
+
+ printf("Err..(%s) Dropping packet spread on"
+ " multiple descriptors\n", __FUNCTION__);
+
+ } else if (cmd_sts & KWGBE_ERROR_SUMMARY) {
+
+ 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 =
+ KWGBE_BUFFER_OWNED_BY_DMA | KWGBE_RX_EN_INTERRUPT;
+ p_rxdesc_curr->buf_size = PKTSIZE_ALIGN;
+ p_rxdesc_curr->byte_cnt = 0;
+
+ writel((unsigned)p_rxdesc_curr->nxtdesc_p, (u32) &dkwgbe->p_rxdesc_curr);
+
+ return 0;
+}
+
+int kirkwood_egiga_initialize(bd_t * bis)
+{
+ struct kwgbe_device *dkwgbe;
+ struct eth_device *dev;
+ int devnum;
+ char *s;
+ u8 used_ports[MAX_KWGBE_DEVS] = CONFIG_KIRKWOOD_EGIGA_PORTS;
+
+ for (devnum = 0; devnum < MAX_KWGBE_DEVS; devnum++) {
+ /*skip if port is configured not to use */
+ if (used_ports[devnum] == 0)
+ continue;
+
+ if (!(dkwgbe = malloc(sizeof(struct kwgbe_device))))
+ goto error1;
+
+ memset(dkwgbe, 0, sizeof(struct kwgbe_device));
+
+ if (!(dkwgbe->p_rxdesc =
+ (struct kwgbe_rxdesc *)memalign(PKTALIGN,
+ KW_RXQ_DESC_ALIGNED_SIZE
+ * RINGSZ + 1)))
+ goto error2;
+
+ if (!(dkwgbe->p_rxbuf = (u8 *) memalign(PKTALIGN, RINGSZ
+ * PKTSIZE_ALIGN + 1)))
+ goto error3;
+
+ if (!(dkwgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN)))
+ goto error4;
+
+ if (!(dkwgbe->p_txdesc = (struct kwgbe_txdesc *)
+ memalign(PKTALIGN, sizeof(struct kwgbe_txdesc) + 1))) {
+ free(dkwgbe->p_aligned_txbuf);
+ error4:
+ free(dkwgbe->p_rxbuf);
+ error3:
+ free(dkwgbe->p_rxdesc);
+ error2:
+ free(dkwgbe);
+ error1:
+ printf("Err.. %s Failed to allocate memory\n",
+ __FUNCTION__);
+ return -1;
+ }
+
+ dev = &dkwgbe->dev;
+
+ /* must be less than NAMESIZE (16) */
+ sprintf(dev->name, "egiga%d", devnum);
+
+ /* Extract the MAC address from the environment */
+ switch (devnum) {
+ case 0:
+ dkwgbe->regs = (void *)KW_EGIGA0_BASE;
+ s = "ethaddr";
+ break;
+ case 1:
+ dkwgbe->regs = (void *)KW_EGIGA1_BASE;
+ s = "eth1addr";
+ break;
+ default: /* this should never happen */
+ printf("Err..(%s) Invalid device number %d\n",
+ __FUNCTION__, devnum);
+ return -1;
+ }
+
+ while (!eth_getenv_enetaddr(s, dev->enetaddr)) {
+ /* Generate Private MAC addr if not set */
+ dev->enetaddr[0] = 0x02;
+ dev->enetaddr[1] = 0x50;
+ dev->enetaddr[2] = 0x43;
+#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 */
+ dev->enetaddr[3] = get_random_hex();
+ dev->enetaddr[4] = get_random_hex();
+ dev->enetaddr[5] = get_random_hex();
+#endif
+ eth_setenv_enetaddr(s, dev->enetaddr);
+ }
+
+ dev->init = (void *)kwgbe_init;
+ dev->halt = (void *)kwgbe_halt;
+ dev->send = (void *)kwgbe_send;
+ dev->recv = (void *)kwgbe_recv;
+ dev->write_hwaddr = (void *)kwgbe_write_hwaddr;
+
+ 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 */
+ miiphy_write(dev->name, KIRKWOOD_PHY_ADR_REQUEST,
+ KIRKWOOD_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
+#endif
+ }
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * based on - Driver for MV64360X ethernet ports
+ * Copyright (C) 2002 rabeeh@galileo.co.il
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#ifndef __EGIGA_H__
+#define __EGIGA_H__
+
+#define MAX_KWGBE_DEVS 2 /*controller has two ports */
+
+/* PHY_BASE_ADR is board specific and can be configured */
+#if defined (CONFIG_PHY_BASE_ADR)
+#define PHY_BASE_ADR CONFIG_PHY_BASE_ADR
+#else
+#define PHY_BASE_ADR 0x08 /* default phy base addr */
+#endif
+
+/* Constants */
+#define INT_CAUSE_UNMASK_ALL 0x0007ffff
+#define INT_CAUSE_UNMASK_ALL_EXT 0x0011ffff
+#define MRU_MASK 0xfff1ffff
+#define PHYADR_MASK 0x0000001f
+#define PHYREG_MASK 0x0000001f
+#define QTKNBKT_DEF_VAL 0x3fffffff
+#define QMTBS_DEF_VAL 0x000003ff
+#define QTKNRT_DEF_VAL 0x0000fcff
+#define RXUQ 0 /* Used Rx queue */
+#define TXUQ 0 /* Used Rx queue */
+
+#define to_dkwgbe(_kd) container_of(_kd, struct kwgbe_device, dev)
+#define KWGBEREG_WR(adr, val) writel(val, &adr)
+#define KWGBEREG_RD(adr) readl(&adr)
+#define KWGBEREG_BITS_RESET(adr, val) writel(readl(&adr) & ~(val), &adr)
+#define KWGBEREG_BITS_SET(adr, val) writel(readl(&adr) | val, &adr)
+
+/* Default port configuration value */
+#define PRT_CFG_VAL ( \
+ KWGBE_UCAST_MOD_NRML | \
+ KWGBE_DFLT_RXQ(RXUQ) | \
+ KWGBE_DFLT_RX_ARPQ(RXUQ) | \
+ KWGBE_RX_BC_IF_NOT_IP_OR_ARP | \
+ KWGBE_RX_BC_IF_IP | \
+ KWGBE_RX_BC_IF_ARP | \
+ KWGBE_CPTR_TCP_FRMS_DIS | \
+ KWGBE_CPTR_UDP_FRMS_DIS | \
+ KWGBE_DFLT_RX_TCPQ(RXUQ) | \
+ KWGBE_DFLT_RX_UDPQ(RXUQ) | \
+ KWGBE_DFLT_RX_BPDUQ(RXUQ))
+
+/* Default port extend configuration value */
+#define PORT_CFG_EXTEND_VALUE \
+ KWGBE_SPAN_BPDU_PACKETS_AS_NORMAL | \
+ KWGBE_PARTITION_DIS | \
+ KWGBE_TX_CRC_GENERATION_EN
+
+#define GT_KWGBE_IPG_INT_RX(value) ((value & 0x3fff) << 8)
+
+/* Default sdma control value */
+#define PORT_SDMA_CFG_VALUE ( \
+ KWGBE_RX_BURST_SIZE_16_64BIT | \
+ KWGBE_BLM_RX_NO_SWAP | \
+ KWGBE_BLM_TX_NO_SWAP | \
+ GT_KWGBE_IPG_INT_RX(RXUQ) | \
+ KWGBE_TX_BURST_SIZE_16_64BIT)
+
+/* Default port serial control value */
+#define PORT_SERIAL_CONTROL_VALUE ( \
+ KWGBE_FORCE_LINK_PASS | \
+ KWGBE_DIS_AUTO_NEG_FOR_DUPLX | \
+ KWGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL | \
+ KWGBE_ADV_NO_FLOW_CTRL | \
+ KWGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX | \
+ KWGBE_FORCE_BP_MODE_NO_JAM | \
+ (1 << 9) /* Reserved bit has to be 1 */ | \
+ KWGBE_DO_NOT_FORCE_LINK_FAIL | \
+ KWGBE_EN_AUTO_NEG_SPEED_GMII | \
+ KWGBE_DTE_ADV_0 | \
+ KWGBE_MIIPHY_MAC_MODE | \
+ KWGBE_AUTO_NEG_NO_CHANGE | \
+ KWGBE_MAX_RX_PACKET_1552BYTE | \
+ KWGBE_CLR_EXT_LOOPBACK | \
+ KWGBE_SET_FULL_DUPLEX_MODE | \
+ KWGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX)
+
+/* Tx WRR confoguration macros */
+#define PORT_MAX_TRAN_UNIT 0x24 /* MTU register (default) 9KByte */
+#define PORT_MAX_TOKEN_BUCKET_SIZE 0x_FFFF /* PMTBS reg (default) */
+#define PORT_TOKEN_RATE 1023 /* PTTBRC reg (default) */
+/* MAC accepet/reject macros */
+#define ACCEPT_MAC_ADDR 0
+#define REJECT_MAC_ADDR 1
+/* Size of a Tx/Rx descriptor used in chain list data structure */
+#define KW_RXQ_DESC_ALIGNED_SIZE \
+ (((sizeof(struct kwgbe_rxdesc) / PKTALIGN) + 1) * PKTALIGN)
+/* Buffer offset from buffer pointer */
+#define RX_BUF_OFFSET 0x2
+
+/* Port serial status reg (PSR) */
+#define KWGBE_INTERFACE_GMII_MII 0
+#define KWGBE_INTERFACE_PCM 1
+#define KWGBE_LINK_IS_DOWN 0
+#define KWGBE_LINK_IS_UP (1 << 1)
+#define KWGBE_PORT_AT_HALF_DUPLEX 0
+#define KWGBE_PORT_AT_FULL_DUPLEX (1 << 2)
+#define KWGBE_RX_FLOW_CTRL_DISD 0
+#define KWGBE_RX_FLOW_CTRL_ENBALED (1 << 3)
+#define KWGBE_GMII_SPEED_100_10 0
+#define KWGBE_GMII_SPEED_1000 (1 << 4)
+#define KWGBE_MII_SPEED_10 0
+#define KWGBE_MII_SPEED_100 (1 << 5)
+#define KWGBE_NO_TX 0
+#define KWGBE_TX_IN_PROGRESS (1 << 7)
+#define KWGBE_BYPASS_NO_ACTIVE 0
+#define KWGBE_BYPASS_ACTIVE (1 << 8)
+#define KWGBE_PORT_NOT_AT_PARTN_STT 0
+#define KWGBE_PORT_AT_PARTN_STT (1 << 9)
+#define KWGBE_PORT_TX_FIFO_NOT_EMPTY 0
+#define KWGBE_PORT_TX_FIFO_EMPTY (1 << 10)
+
+/* These macros describes the Port configuration reg (Px_cR) bits */
+#define KWGBE_UCAST_MOD_NRML 0
+#define KWGBE_UNICAST_PROMISCUOUS_MODE 1
+#define KWGBE_DFLT_RXQ(_x) (_x << 1)
+#define KWGBE_DFLT_RX_ARPQ(_x) (_x << 4)
+#define KWGBE_RX_BC_IF_NOT_IP_OR_ARP 0
+#define KWGBE_REJECT_BC_IF_NOT_IP_OR_ARP (1 << 7)
+#define KWGBE_RX_BC_IF_IP 0
+#define KWGBE_REJECT_BC_IF_IP (1 << 8)
+#define KWGBE_RX_BC_IF_ARP 0
+#define KWGBE_REJECT_BC_IF_ARP (1 << 9)
+#define KWGBE_TX_AM_NO_UPDATE_ERR_SMRY (1 << 12)
+#define KWGBE_CPTR_TCP_FRMS_DIS 0
+#define KWGBE_CPTR_TCP_FRMS_EN (1 << 14)
+#define KWGBE_CPTR_UDP_FRMS_DIS 0
+#define KWGBE_CPTR_UDP_FRMS_EN (1 << 15)
+#define KWGBE_DFLT_RX_TCPQ(_x) (_x << 16)
+#define KWGBE_DFLT_RX_UDPQ(_x) (_x << 19)
+#define KWGBE_DFLT_RX_BPDUQ(_x) (_x << 22)
+#define KWGBE_DFLT_RX_TCP_CHKSUM_MODE (1 << 25)
+
+/* These macros describes the Port configuration extend reg (Px_cXR) bits*/
+#define KWGBE_CLASSIFY_EN 1
+#define KWGBE_SPAN_BPDU_PACKETS_AS_NORMAL 0
+#define KWGBE_SPAN_BPDU_PACKETS_TO_RX_Q7 (1 << 1)
+#define KWGBE_PARTITION_DIS 0
+#define KWGBE_PARTITION_EN (1 << 2)
+#define KWGBE_TX_CRC_GENERATION_EN 0
+#define KWGBE_TX_CRC_GENERATION_DIS (1 << 3)
+
+/* These macros describes the Port Sdma configuration reg (SDCR) bits */
+#define KWGBE_RIFB 1
+#define KWGBE_RX_BURST_SIZE_1_64BIT 0
+#define KWGBE_RX_BURST_SIZE_2_64BIT (1 << 1)
+#define KWGBE_RX_BURST_SIZE_4_64BIT (1 << 2)
+#define KWGBE_RX_BURST_SIZE_8_64BIT ((1 << 2) | (1 << 1))
+#define KWGBE_RX_BURST_SIZE_16_64BIT (1 << 3)
+#define KWGBE_BLM_RX_NO_SWAP (1 << 4)
+#define KWGBE_BLM_RX_BYTE_SWAP 0
+#define KWGBE_BLM_TX_NO_SWAP (1 << 5)
+#define KWGBE_BLM_TX_BYTE_SWAP 0
+#define KWGBE_DESCRIPTORS_BYTE_SWAP (1 << 6)
+#define KWGBE_DESCRIPTORS_NO_SWAP 0
+#define KWGBE_TX_BURST_SIZE_1_64BIT 0
+#define KWGBE_TX_BURST_SIZE_2_64BIT (1 << 22)
+#define KWGBE_TX_BURST_SIZE_4_64BIT (1 << 23)
+#define KWGBE_TX_BURST_SIZE_8_64BIT ((1 << 23) | (1 << 22))
+#define KWGBE_TX_BURST_SIZE_16_64BIT (1 << 24)
+
+/* These macros describes the Port serial control reg (PSCR) bits */
+#define KWGBE_SERIAL_PORT_DIS 0
+#define KWGBE_SERIAL_PORT_EN 1
+#define KWGBE_FORCE_LINK_PASS (1 << 1)
+#define KWGBE_DO_NOT_FORCE_LINK_PASS 0
+#define KWGBE_EN_AUTO_NEG_FOR_DUPLX 0
+#define KWGBE_DIS_AUTO_NEG_FOR_DUPLX (1 << 2)
+#define KWGBE_EN_AUTO_NEG_FOR_FLOW_CTRL 0
+#define KWGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL (1 << 3)
+#define KWGBE_ADV_NO_FLOW_CTRL 0
+#define KWGBE_ADV_SYMMETRIC_FLOW_CTRL (1 << 4)
+#define KWGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX 0
+#define KWGBE_FORCE_FC_MODE_TX_PAUSE_DIS (1 << 5)
+#define KWGBE_FORCE_BP_MODE_NO_JAM 0
+#define KWGBE_FORCE_BP_MODE_JAM_TX (1 << 7)
+#define KWGBE_FORCE_BP_MODE_JAM_TX_ON_RX_ERR (1 << 8)
+#define KWGBE_FORCE_LINK_FAIL 0
+#define KWGBE_DO_NOT_FORCE_LINK_FAIL (1 << 10)
+#define KWGBE_DIS_AUTO_NEG_SPEED_GMII (1 << 13)
+#define KWGBE_EN_AUTO_NEG_SPEED_GMII 0
+#define KWGBE_DTE_ADV_0 0
+#define KWGBE_DTE_ADV_1 (1 << 14)
+#define KWGBE_MIIPHY_MAC_MODE 0
+#define KWGBE_MIIPHY_PHY_MODE (1 << 15)
+#define KWGBE_AUTO_NEG_NO_CHANGE 0
+#define KWGBE_RESTART_AUTO_NEG (1 << 16)
+#define KWGBE_MAX_RX_PACKET_1518BYTE 0
+#define KWGBE_MAX_RX_PACKET_1522BYTE (1 << 17)
+#define KWGBE_MAX_RX_PACKET_1552BYTE (1 << 18)
+#define KWGBE_MAX_RX_PACKET_9022BYTE ((1 << 18) | (1 << 17))
+#define KWGBE_MAX_RX_PACKET_9192BYTE (1 << 19)
+#define KWGBE_MAX_RX_PACKET_9700BYTE ((1 << 19) | (1 << 17))
+#define KWGBE_SET_EXT_LOOPBACK (1 << 20)
+#define KWGBE_CLR_EXT_LOOPBACK 0
+#define KWGBE_SET_FULL_DUPLEX_MODE (1 << 21)
+#define KWGBE_SET_HALF_DUPLEX_MODE 0
+#define KWGBE_EN_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX (1 << 22)
+#define KWGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX 0
+#define KWGBE_SET_GMII_SPEED_TO_10_100 0
+#define KWGBE_SET_GMII_SPEED_TO_1000 (1 << 23)
+#define KWGBE_SET_MII_SPEED_TO_10 0
+#define KWGBE_SET_MII_SPEED_TO_100 (1 << 24)
+
+/* SMI register fields */
+#define KWGBE_PHY_SMI_TIMEOUT 10000
+#define KWGBE_PHY_SMI_DATA_OFFS 0 /* Data */
+#define KWGBE_PHY_SMI_DATA_MASK (0xffff << KWGBE_PHY_SMI_DATA_OFFS)
+#define KWGBE_PHY_SMI_DEV_ADDR_OFFS 16 /* PHY device address */
+#define KWGBE_PHY_SMI_DEV_ADDR_MASK (PHYADR_MASK << KWGBE_PHY_SMI_DEV_ADDR_OFFS)
+#define KWGBE_SMI_REG_ADDR_OFFS 21 /* PHY device reg addr */
+#define KWGBE_SMI_REG_ADDR_MASK (PHYADR_MASK << KWGBE_SMI_REG_ADDR_OFFS)
+#define KWGBE_PHY_SMI_OPCODE_OFFS 26 /* Write/Read opcode */
+#define KWGBE_PHY_SMI_OPCODE_MASK (3 << KWGBE_PHY_SMI_OPCODE_OFFS)
+#define KWGBE_PHY_SMI_OPCODE_WRITE (0 << KWGBE_PHY_SMI_OPCODE_OFFS)
+#define KWGBE_PHY_SMI_OPCODE_READ (1 << KWGBE_PHY_SMI_OPCODE_OFFS)
+#define KWGBE_PHY_SMI_READ_VALID_MASK (1 << 27) /* Read Valid */
+#define KWGBE_PHY_SMI_BUSY_MASK (1 << 28) /* Busy */
+
+/* SDMA command status fields macros */
+/* Tx & Rx descriptors status */
+#define KWGBE_ERROR_SUMMARY 1
+/* Tx & Rx descriptors command */
+#define KWGBE_BUFFER_OWNED_BY_DMA (1 << 31)
+/* Tx descriptors status */
+#define KWGBE_LC_ERROR 0
+#define KWGBE_UR_ERROR (1 << 1)
+#define KWGBE_RL_ERROR (1 << 2)
+#define KWGBE_LLC_SNAP_FORMAT (1 << 9)
+#define KWGBE_TX_LAST_FRAME (1 << 20)
+
+/* Rx descriptors status */
+#define KWGBE_CRC_ERROR 0
+#define KWGBE_OVERRUN_ERROR (1 << 1)
+#define KWGBE_MAX_FRAME_LENGTH_ERROR (1 << 2)
+#define KWGBE_RESOURCE_ERROR ((1 << 2) | (1 << 1))
+#define KWGBE_VLAN_TAGGED (1 << 19)
+#define KWGBE_BPDU_FRAME (1 << 20)
+#define KWGBE_TCP_FRAME_OVER_IP_V_4 0
+#define KWGBE_UDP_FRAME_OVER_IP_V_4 (1 << 21)
+#define KWGBE_OTHER_FRAME_TYPE (1 << 22)
+#define KWGBE_LAYER_2_IS_KWGBE_V_2 (1 << 23)
+#define KWGBE_FRAME_TYPE_IP_V_4 (1 << 24)
+#define KWGBE_FRAME_HEADER_OK (1 << 25)
+#define KWGBE_RX_LAST_DESC (1 << 26)
+#define KWGBE_RX_FIRST_DESC (1 << 27)
+#define KWGBE_UNKNOWN_DESTINATION_ADDR (1 << 28)
+#define KWGBE_RX_EN_INTERRUPT (1 << 29)
+#define KWGBE_LAYER_4_CHECKSUM_OK (1 << 30)
+
+/* Rx descriptors byte count */
+#define KWGBE_FRAME_FRAGMENTED (1 << 2)
+
+/* Tx descriptors command */
+#define KWGBE_LAYER_4_CHECKSUM_FIRST_DESC (1 << 10)
+#define KWGBE_FRAME_SET_TO_VLAN (1 << 15)
+#define KWGBE_TCP_FRAME 0
+#define KWGBE_UDP_FRAME (1 << 16)
+#define KWGBE_GEN_TCP_UDP_CHECKSUM (1 << 17)
+#define KWGBE_GEN_IP_V_4_CHECKSUM (1 << 18)
+#define KWGBE_ZERO_PADDING (1 << 19)
+#define KWGBE_TX_LAST_DESC (1 << 20)
+#define KWGBE_TX_FIRST_DESC (1 << 21)
+#define KWGBE_GEN_CRC (1 << 22)
+#define KWGBE_TX_EN_INTERRUPT (1 << 23)
+#define KWGBE_AUTO_MODE (1 << 30)
+
+/* Address decode parameters */
+/* Ethernet Base Address Register bits */
+#define EBAR_TARGET_DRAM 0x00000000
+#define EBAR_TARGET_DEVICE 0x00000001
+#define EBAR_TARGET_CBS 0x00000002
+#define EBAR_TARGET_PCI0 0x00000003
+#define EBAR_TARGET_PCI1 0x00000004
+#define EBAR_TARGET_CUNIT 0x00000005
+#define EBAR_TARGET_AUNIT 0x00000006
+#define EBAR_TARGET_GUNIT 0x00000007
+
+/* Window attrib */
+#define EBAR_DRAM_CS0 0x00000E00
+#define EBAR_DRAM_CS1 0x00000D00
+#define EBAR_DRAM_CS2 0x00000B00
+#define EBAR_DRAM_CS3 0x00000700
+
+/* DRAM Target interface */
+#define EBAR_DRAM_NO_CACHE_COHERENCY 0x00000000
+#define EBAR_DRAM_CACHE_COHERENCY_WT 0x00001000
+#define EBAR_DRAM_CACHE_COHERENCY_WB 0x00002000
+
+/* Device Bus Target interface */
+#define EBAR_DEVICE_DEVCS0 0x00001E00
+#define EBAR_DEVICE_DEVCS1 0x00001D00
+#define EBAR_DEVICE_DEVCS2 0x00001B00
+#define EBAR_DEVICE_DEVCS3 0x00001700
+#define EBAR_DEVICE_BOOTCS3 0x00000F00
+
+/* PCI Target interface */
+#define EBAR_PCI_BYTE_SWAP 0x00000000
+#define EBAR_PCI_NO_SWAP 0x00000100
+#define EBAR_PCI_BYTE_WORD_SWAP 0x00000200
+#define EBAR_PCI_WORD_SWAP 0x00000300
+#define EBAR_PCI_NO_SNOOP_NOT_ASSERT 0x00000000
+#define EBAR_PCI_NO_SNOOP_ASSERT 0x00000400
+#define EBAR_PCI_IO_SPACE 0x00000000
+#define EBAR_PCI_MEMORY_SPACE 0x00000800
+#define EBAR_PCI_REQ64_FORCE 0x00000000
+#define EBAR_PCI_REQ64_SIZE 0x00001000
+
+/* Window access control */
+#define EWIN_ACCESS_NOT_ALLOWED 0
+#define EWIN_ACCESS_READ_ONLY 1
+#define EWIN_ACCESS_FULL ((1 << 1) | 1)
+
+/* structures represents Controller registers */
+struct kwgbe_barsz {
+ u32 bar;
+ u32 size;
+};
+
+struct kwgbe_rxcdp {
+ struct kwgbe_rxdesc *rxcdp;
+ u32 rxcdp_pad[3];
+};
+
+struct kwgbe_tqx {
+ u32 qxttbc;
+ u32 tqxtbc;
+ u32 tqxac;
+ u32 tqxpad;
+};
+
+struct kwgbe_registers {
+ u32 phyadr;
+ u32 smi;
+ u32 euda;
+ u32 eudid;
+ u8 pad1[0x080 - 0x00c - 4];
+ u32 euic;
+ u32 euim;
+ u8 pad2[0x094 - 0x084 - 4];
+ u32 euea;
+ u32 euiae;
+ u8 pad3[0x0b0 - 0x098 - 4];
+ u32 euc;
+ u8 pad3a[0x200 - 0x0b0 - 4];
+ struct kwgbe_barsz barsz[6];
+ u8 pad4[0x280 - 0x22c - 4];
+ u32 ha_remap[4];
+ u32 bare;
+ u32 epap;
+ u8 pad5[0x400 - 0x294 - 4];
+ u32 pxc;
+ u32 pxcx;
+ u32 mii_ser_params;
+ u8 pad6[0x410 - 0x408 - 4];
+ u32 evlane;
+ u32 macal;
+ u32 macah;
+ u32 sdc;
+ u32 dscp[7];
+ u32 psc0;
+ u32 vpt2p;
+ u32 ps0;
+ u32 tqc;
+ u32 psc1;
+ u32 ps1;
+ u32 mrvl_header;
+ u8 pad7[0x460 - 0x454 - 4];
+ u32 ic;
+ u32 ice;
+ u32 pim;
+ u32 peim;
+ u8 pad8[0x474 - 0x46c - 4];
+ u32 pxtfut;
+ u32 pad9;
+ u32 pxmfs;
+ u32 pad10;
+ u32 pxdfc;
+ u32 pxofc;
+ u8 pad11[0x494 - 0x488 - 4];
+ u32 peuiae;
+ u8 pad12[0x4bc - 0x494 - 4];
+ u32 eth_type_prio;
+ u8 pad13[0x4dc - 0x4bc - 4];
+ u32 tqfpc;
+ u32 pttbrc;
+ u32 tqc1;
+ u32 pmtu;
+ u32 pmtbs;
+ u8 pad14[0x60c - 0x4ec - 4];
+ struct kwgbe_rxcdp rxcdp[7];
+ struct kwgbe_rxdesc *rxcdp7;
+ u32 rqc;
+ struct kwgbe_txdesc *tcsdp;
+ u8 pad15[0x6c0 - 0x684 - 4];
+ struct kwgbe_txdesc *tcqdp[8];
+ u8 pad16[0x700 - 0x6dc - 4];
+ struct kwgbe_tqx tqx[8];
+ u32 pttbc;
+ u8 pad17[0x7a8 - 0x780 - 4];
+ u32 tqxipg0;
+ u32 pad18[3];
+ u32 tqxipg1;
+ u8 pad19[0x7c0 - 0x7b8 - 4];
+ u32 hitkninlopkt;
+ u32 hitkninasyncpkt;
+ u32 lotkninasyncpkt;
+ u32 pad20;
+ u32 ts;
+ u8 pad21[0x3000 - 0x27d0 - 4];
+ u32 pad20_1[32]; /* mib counter registes */
+ u8 pad22[0x3400 - 0x3000 - sizeof(u32) * 32];
+ u32 dfsmt[64];
+ u32 dfomt[64];
+ u32 dfut[4];
+ u8 pad23[0xe20c0 - 0x7360c - 4];
+ u32 pmbus_top_arbiter;
+};
+
+/* structures/enums needed by driver */
+enum kwgbe_adrwin {
+ KWGBE_WIN0,
+ KWGBE_WIN1,
+ KWGBE_WIN2,
+ KWGBE_WIN3,
+ KWGBE_WIN4,
+ KWGBE_WIN5
+};
+
+enum kwgbe_target {
+ KWGBE_TARGET_DRAM,
+ KWGBE_TARGET_DEV,
+ KWGBE_TARGET_CBS,
+ KWGBE_TARGET_PCI0,
+ KWGBE_TARGET_PCI1
+};
+
+struct kwgbe_winparam {
+ enum kwgbe_adrwin win; /* Window number */
+ enum kwgbe_target target; /* System targets */
+ u16 attrib; /* BAR attrib. See above macros */
+ u32 base_addr; /* Window base address in u32 form */
+ u32 high_addr; /* Window high address in u32 form */
+ u32 size; /* Size in MBytes. Must be % 64Kbyte. */
+ int enable; /* Enable/disable access to the window. */
+ u16 access_ctrl; /*Access ctrl register. see above macros */
+};
+
+struct kwgbe_rxdesc {
+ u32 cmd_sts; /* Descriptor command status */
+ u16 buf_size; /* Buffer size */
+ u16 byte_cnt; /* Descriptor buffer byte count */
+ u8 *buf_ptr; /* Descriptor buffer pointer */
+ struct kwgbe_rxdesc *nxtdesc_p; /* Next descriptor pointer */
+};
+
+struct kwgbe_txdesc {
+ u32 cmd_sts; /* Descriptor command status */
+ u16 l4i_chk; /* CPU provided TCP Checksum */
+ u16 byte_cnt; /* Descriptor buffer byte count */
+ u8 *buf_ptr; /* Descriptor buffer ptr */
+ struct kwgbe_txdesc *nxtdesc_p; /* Next descriptor ptr */
+};
+
+/* port device data struct */
+struct kwgbe_device {
+ struct eth_device dev;
+ struct kwgbe_registers *regs;
+ struct kwgbe_txdesc *p_txdesc;
+ struct kwgbe_rxdesc *p_rxdesc;
+ struct kwgbe_rxdesc *p_rxdesc_curr;
+ u8 *p_rxbuf;
+ u8 *p_aligned_txbuf;
+};
+
+#endif /* __EGIGA_H__ */
projects / oweals / u-boot.git / commitdiff