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authorAlbert Aribaud <albert.aribaud@free.fr>2010-07-12 22:24:27 +0200
committerBen Warren <biggerbadderben@gmail.com>2010-07-12 23:40:30 -0700
commit9b6bcdcb932cf38a2da1b059f661b8ee6b85175f (patch)
treeba6170e6e2b52a4b712da8b637f569e0b7f5f15c /drivers/net/kirkwood_egiga.c
parentc67e2ccd5045d7f1dff7eac3ac9007bb4bfa9794 (diff)
net: rename: kirkwood_egiga as mvgbe
Rename kirkwood_egiga.* to mvgbe.* and adjust makefile and #include accordingly. Signed-off-by: Albert Aribaud <albert.aribaud@free.fr> Acked-by: Prafulla Wadaskar <prafulla@marvell.com> Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Diffstat (limited to 'drivers/net/kirkwood_egiga.c')
-rw-r--r--drivers/net/kirkwood_egiga.c736
1 files changed, 0 insertions, 736 deletions
diff --git a/drivers/net/kirkwood_egiga.c b/drivers/net/kirkwood_egiga.c
deleted file mode 100644
index 7aabcefa983..00000000000
--- a/drivers/net/kirkwood_egiga.c
+++ /dev/null
@@ -1,736 +0,0 @@
-/*
- * (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(&regs->tqc);
- stop_queue(&regs->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;
-}