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Diffstat (limited to 'qemu/roms/u-boot/drivers/net/mvgbe.c')
-rw-r--r--qemu/roms/u-boot/drivers/net/mvgbe.c788
1 files changed, 0 insertions, 788 deletions
diff --git a/qemu/roms/u-boot/drivers/net/mvgbe.c b/qemu/roms/u-boot/drivers/net/mvgbe.c
deleted file mode 100644
index 0cd06b6a6..000000000
--- a/qemu/roms/u-boot/drivers/net/mvgbe.c
+++ /dev/null
@@ -1,788 +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
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <net.h>
-#include <malloc.h>
-#include <miiphy.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-#include <asm/types.h>
-#include <asm/system.h>
-#include <asm/byteorder.h>
-#include <asm/arch/cpu.h>
-
-#if defined(CONFIG_KIRKWOOD)
-#include <asm/arch/kirkwood.h>
-#elif defined(CONFIG_ORION5X)
-#include <asm/arch/orion5x.h>
-#elif defined(CONFIG_DOVE)
-#include <asm/arch/dove.h>
-#endif
-
-#include "mvgbe.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define MV_PHY_ADR_REQUEST 0xee
-#define MVGBE_SMI_REG (((struct mvgbe_registers *)MVGBE0_BASE)->smi)
-
-#if defined(CONFIG_PHYLIB) || defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
-/*
- * smi_reg_read - miiphy_read callback function.
- *
- * Returns 16bit phy register value, or 0xffff on error
- */
-static int smi_reg_read(const char *devname, u8 phy_adr, u8 reg_ofs, u16 * data)
-{
- struct eth_device *dev = eth_get_dev_by_name(devname);
- struct mvgbe_device *dmvgbe = to_mvgbe(dev);
- struct mvgbe_registers *regs = dmvgbe->regs;
- u32 smi_reg;
- u32 timeout;
-
- /* Phyadr read request */
- if (phy_adr == MV_PHY_ADR_REQUEST &&
- reg_ofs == MV_PHY_ADR_REQUEST) {
- /* */
- *data = (u16) (MVGBE_REG_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 = MVGBE_PHY_SMI_TIMEOUT;
- /* wait till the SMI is not busy */
- do {
- /* read smi register */
- smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
- if (timeout-- == 0) {
- printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
- return -EFAULT;
- }
- } while (smi_reg & MVGBE_PHY_SMI_BUSY_MASK);
-
- /* fill the phy address and regiser offset and read opcode */
- smi_reg = (phy_adr << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
- | (reg_ofs << MVGBE_SMI_REG_ADDR_OFFS)
- | MVGBE_PHY_SMI_OPCODE_READ;
-
- /* write the smi register */
- MVGBE_REG_WR(MVGBE_SMI_REG, smi_reg);
-
- /*wait till read value is ready */
- timeout = MVGBE_PHY_SMI_TIMEOUT;
-
- do {
- /* read smi register */
- smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
- if (timeout-- == 0) {
- printf("Err..(%s) SMI read ready timeout\n",
- __FUNCTION__);
- return -EFAULT;
- }
- } while (!(smi_reg & MVGBE_PHY_SMI_READ_VALID_MASK));
-
- /* Wait for the data to update in the SMI register */
- for (timeout = 0; timeout < MVGBE_PHY_SMI_TIMEOUT; timeout++)
- ;
-
- *data = (u16) (MVGBE_REG_RD(MVGBE_SMI_REG) & MVGBE_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(const char *devname, u8 phy_adr, u8 reg_ofs, u16 data)
-{
- struct eth_device *dev = eth_get_dev_by_name(devname);
- struct mvgbe_device *dmvgbe = to_mvgbe(dev);
- struct mvgbe_registers *regs = dmvgbe->regs;
- u32 smi_reg;
- u32 timeout;
-
- /* Phyadr write request*/
- if (phy_adr == MV_PHY_ADR_REQUEST &&
- reg_ofs == MV_PHY_ADR_REQUEST) {
- MVGBE_REG_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 = MVGBE_PHY_SMI_TIMEOUT;
- do {
- /* read smi register */
- smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
- if (timeout-- == 0) {
- printf("Err..(%s) SMI busy timeout\n", __FUNCTION__);
- return -ETIME;
- }
- } while (smi_reg & MVGBE_PHY_SMI_BUSY_MASK);
-
- /* fill the phy addr and reg offset and write opcode and data */
- smi_reg = (data << MVGBE_PHY_SMI_DATA_OFFS);
- smi_reg |= (phy_adr << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
- | (reg_ofs << MVGBE_SMI_REG_ADDR_OFFS);
- smi_reg &= ~MVGBE_PHY_SMI_OPCODE_READ;
-
- /* write the smi register */
- MVGBE_REG_WR(MVGBE_SMI_REG, smi_reg);
-
- return 0;
-}
-#endif
-
-#if defined(CONFIG_PHYLIB)
-int mvgbe_phy_read(struct mii_dev *bus, int phy_addr, int dev_addr,
- int reg_addr)
-{
- u16 data;
- int ret;
- ret = smi_reg_read(bus->name, phy_addr, reg_addr, &data);
- if (ret)
- return ret;
- return data;
-}
-
-int mvgbe_phy_write(struct mii_dev *bus, int phy_addr, int dev_addr,
- int reg_addr, u16 data)
-{
- return smi_reg_write(bus->name, phy_addr, reg_addr, data);
-}
-#endif
-
-/* 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 mvgbe_registers *regs,
- struct mvgbe_winparam *param)
-{
- u32 access_prot_reg;
-
- /* Set access control register */
- access_prot_reg = MVGBE_REG_RD(regs->epap);
- /* clear window permission */
- access_prot_reg &= (~(3 << (param->win * 2)));
- access_prot_reg |= (param->access_ctrl << (param->win * 2));
- MVGBE_REG_WR(regs->epap, access_prot_reg);
-
- /* Set window Size reg (SR) */
- MVGBE_REG_WR(regs->barsz[param->win].size,
- (((param->size / 0x10000) - 1) << 16));
-
- /* Set window Base address reg (BA) */
- MVGBE_REG_WR(regs->barsz[param->win].bar,
- (param->target | param->attrib | param->base_addr));
- /* High address remap reg (HARR) */
- if (param->win < 4)
- MVGBE_REG_WR(regs->ha_remap[param->win], param->high_addr);
-
- /* Base address enable reg (BARER) */
- if (param->enable == 1)
- MVGBE_REG_BITS_RESET(regs->bare, (1 << param->win));
- else
- MVGBE_REG_BITS_SET(regs->bare, (1 << param->win));
-}
-
-static void set_dram_access(struct mvgbe_registers *regs)
-{
- struct mvgbe_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 = MVGBE_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 mvgbe_registers *regs)
-{
- int table_index;
-
- /* Clear DA filter unicast table (Ex_dFUT) */
- for (table_index = 0; table_index < 4; ++table_index)
- MVGBE_REG_WR(regs->dfut[table_index], 0);
-
- for (table_index = 0; table_index < 64; ++table_index) {
- /* Clear DA filter special multicast table (Ex_dFSMT) */
- MVGBE_REG_WR(regs->dfsmt[table_index], 0);
- /* Clear DA filter other multicast table (Ex_dFOMT) */
- MVGBE_REG_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 mvgbe_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 = MVGBE_REG_RD(regs->dfut[tbl_offset]);
- unicast_reg &= (0xFF << (8 * reg_offset));
- MVGBE_REG_WR(regs->dfut[tbl_offset], unicast_reg);
- break;
- case ACCEPT_MAC_ADDR:
- /* Set accepts frame bit at unicast DA filter table entry */
- unicast_reg = MVGBE_REG_RD(regs->dfut[tbl_offset]);
- unicast_reg &= (0xFF << (8 * reg_offset));
- unicast_reg |= ((0x01 | (RXUQ << 1)) << (8 * reg_offset));
- MVGBE_REG_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 mvgbe_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);
-
- MVGBE_REG_WR(regs->macal, mac_l);
- MVGBE_REG_WR(regs->macah, mac_h);
-
- /* Accept frames of this address */
- port_uc_addr(regs, p_addr[5], ACCEPT_MAC_ADDR);
-}
-
-/*
- * mvgbe_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory.
- */
-static void mvgbe_init_rx_desc_ring(struct mvgbe_device *dmvgbe)
-{
- struct mvgbe_rxdesc *p_rx_desc;
- int i;
-
- /* initialize the Rx descriptors ring */
- p_rx_desc = dmvgbe->p_rxdesc;
- for (i = 0; i < RINGSZ; i++) {
- p_rx_desc->cmd_sts =
- MVGBE_BUFFER_OWNED_BY_DMA | MVGBE_RX_EN_INTERRUPT;
- p_rx_desc->buf_size = PKTSIZE_ALIGN;
- p_rx_desc->byte_cnt = 0;
- p_rx_desc->buf_ptr = dmvgbe->p_rxbuf + i * PKTSIZE_ALIGN;
- if (i == (RINGSZ - 1))
- p_rx_desc->nxtdesc_p = dmvgbe->p_rxdesc;
- else {
- p_rx_desc->nxtdesc_p = (struct mvgbe_rxdesc *)
- ((u32) p_rx_desc + MV_RXQ_DESC_ALIGNED_SIZE);
- p_rx_desc = p_rx_desc->nxtdesc_p;
- }
- }
- dmvgbe->p_rxdesc_curr = dmvgbe->p_rxdesc;
-}
-
-static int mvgbe_init(struct eth_device *dev)
-{
- struct mvgbe_device *dmvgbe = to_mvgbe(dev);
- struct mvgbe_registers *regs = dmvgbe->regs;
-#if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && \
- !defined(CONFIG_PHYLIB) && \
- defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
- int i;
-#endif
- /* setup RX rings */
- mvgbe_init_rx_desc_ring(dmvgbe);
-
- /* Clear the ethernet port interrupts */
- MVGBE_REG_WR(regs->ic, 0);
- MVGBE_REG_WR(regs->ice, 0);
- /* Unmask RX buffer and TX end interrupt */
- MVGBE_REG_WR(regs->pim, INT_CAUSE_UNMASK_ALL);
- /* Unmask phy and link status changes interrupts */
- MVGBE_REG_WR(regs->peim, INT_CAUSE_UNMASK_ALL_EXT);
-
- set_dram_access(regs);
- port_init_mac_tables(regs);
- port_uc_addr_set(regs, dmvgbe->dev.enetaddr);
-
- /* Assign port configuration and command. */
- MVGBE_REG_WR(regs->pxc, PRT_CFG_VAL);
- MVGBE_REG_WR(regs->pxcx, PORT_CFG_EXTEND_VALUE);
- MVGBE_REG_WR(regs->psc0, PORT_SERIAL_CONTROL_VALUE);
-
- /* Assign port SDMA configuration */
- MVGBE_REG_WR(regs->sdc, PORT_SDMA_CFG_VALUE);
- MVGBE_REG_WR(regs->tqx[0].qxttbc, QTKNBKT_DEF_VAL);
- MVGBE_REG_WR(regs->tqx[0].tqxtbc,
- (QMTBS_DEF_VAL << 16) | QTKNRT_DEF_VAL);
- /* Turn off the port/RXUQ bandwidth limitation */
- MVGBE_REG_WR(regs->pmtu, 0);
-
- /* Set maximum receive buffer to 9700 bytes */
- MVGBE_REG_WR(regs->psc0, MVGBE_MAX_RX_PACKET_9700BYTE
- | (MVGBE_REG_RD(regs->psc0) & MRU_MASK));
-
- /* Enable port initially */
- MVGBE_REG_BITS_SET(regs->psc0, MVGBE_SERIAL_PORT_EN);
-
- /*
- * Set ethernet MTU for leaky bucket mechanism to 0 - this will
- * disable the leaky bucket mechanism .
- */
- MVGBE_REG_WR(regs->pmtu, 0);
-
- /* Assignment of Rx CRDB of given RXUQ */
- MVGBE_REG_WR(regs->rxcdp[RXUQ], (u32) dmvgbe->p_rxdesc_curr);
- /* ensure previous write is done before enabling Rx DMA */
- isb();
- /* Enable port Rx. */
- MVGBE_REG_WR(regs->rqc, (1 << RXUQ));
-
-#if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && \
- !defined(CONFIG_PHYLIB) && \
- 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, MV_PHY_ADR_REQUEST,
- MV_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 mvgbe_halt(struct eth_device *dev)
-{
- struct mvgbe_device *dmvgbe = to_mvgbe(dev);
- struct mvgbe_registers *regs = dmvgbe->regs;
-
- /* Disable all gigE address decoder */
- MVGBE_REG_WR(regs->bare, 0x3f);
-
- stop_queue(&regs->tqc);
- stop_queue(&regs->rqc);
-
- /* Disable port */
- MVGBE_REG_BITS_RESET(regs->psc0, MVGBE_SERIAL_PORT_EN);
- /* Set port is not reset */
- MVGBE_REG_BITS_RESET(regs->psc1, 1 << 4);
-#ifdef CONFIG_SYS_MII_MODE
- /* Set MMI interface up */
- MVGBE_REG_BITS_RESET(regs->psc1, 1 << 3);
-#endif
- /* Disable & mask ethernet port interrupts */
- MVGBE_REG_WR(regs->ic, 0);
- MVGBE_REG_WR(regs->ice, 0);
- MVGBE_REG_WR(regs->pim, 0);
- MVGBE_REG_WR(regs->peim, 0);
-
- return 0;
-}
-
-static int mvgbe_write_hwaddr(struct eth_device *dev)
-{
- struct mvgbe_device *dmvgbe = to_mvgbe(dev);
- struct mvgbe_registers *regs = dmvgbe->regs;
-
- /* Programs net device MAC address after initialization */
- port_uc_addr_set(regs, dmvgbe->dev.enetaddr);
- return 0;
-}
-
-static int mvgbe_send(struct eth_device *dev, void *dataptr, int datasize)
-{
- struct mvgbe_device *dmvgbe = to_mvgbe(dev);
- struct mvgbe_registers *regs = dmvgbe->regs;
- struct mvgbe_txdesc *p_txdesc = dmvgbe->p_txdesc;
- void *p = (void *)dataptr;
- u32 cmd_sts;
- u32 txuq0_reg_addr;
-
- /* 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(dmvgbe->p_aligned_txbuf, p, datasize);
- p = dmvgbe->p_aligned_txbuf;
- }
-
- p_txdesc->cmd_sts = MVGBE_ZERO_PADDING | MVGBE_GEN_CRC;
- p_txdesc->cmd_sts |= MVGBE_TX_FIRST_DESC | MVGBE_TX_LAST_DESC;
- p_txdesc->cmd_sts |= MVGBE_BUFFER_OWNED_BY_DMA;
- p_txdesc->cmd_sts |= MVGBE_TX_EN_INTERRUPT;
- p_txdesc->buf_ptr = (u8 *) p;
- p_txdesc->byte_cnt = datasize;
-
- /* Set this tc desc as zeroth TXUQ */
- txuq0_reg_addr = (u32)&regs->tcqdp[TXUQ];
- writel((u32) p_txdesc, txuq0_reg_addr);
-
- /* ensure tx desc writes above are performed before we start Tx DMA */
- isb();
-
- /* Apply send command using zeroth TXUQ */
- MVGBE_REG_WR(regs->tqc, (1 << TXUQ));
-
- /*
- * wait for packet xmit completion
- */
- cmd_sts = readl(&p_txdesc->cmd_sts);
- while (cmd_sts & MVGBE_BUFFER_OWNED_BY_DMA) {
- /* return fail if error is detected */
- if ((cmd_sts & (MVGBE_ERROR_SUMMARY | MVGBE_TX_LAST_FRAME)) ==
- (MVGBE_ERROR_SUMMARY | MVGBE_TX_LAST_FRAME) &&
- cmd_sts & (MVGBE_UR_ERROR | MVGBE_RL_ERROR)) {
- printf("Err..(%s) in xmit packet\n", __FUNCTION__);
- return -1;
- }
- cmd_sts = readl(&p_txdesc->cmd_sts);
- };
- return 0;
-}
-
-static int mvgbe_recv(struct eth_device *dev)
-{
- struct mvgbe_device *dmvgbe = to_mvgbe(dev);
- struct mvgbe_rxdesc *p_rxdesc_curr = dmvgbe->p_rxdesc_curr;
- u32 cmd_sts;
- u32 timeout = 0;
- u32 rxdesc_curr_addr;
-
- /* wait untill rx packet available or timeout */
- do {
- if (timeout < MVGBE_PHY_SMI_TIMEOUT)
- timeout++;
- else {
- debug("%s time out...\n", __FUNCTION__);
- return -1;
- }
- } while (readl(&p_rxdesc_curr->cmd_sts) & MVGBE_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 &
- (MVGBE_RX_FIRST_DESC | MVGBE_RX_LAST_DESC))
- != (MVGBE_RX_FIRST_DESC | MVGBE_RX_LAST_DESC)) {
-
- printf("Err..(%s) Dropping packet spread on"
- " multiple descriptors\n", __FUNCTION__);
-
- } else if (cmd_sts & MVGBE_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 =
- MVGBE_BUFFER_OWNED_BY_DMA | MVGBE_RX_EN_INTERRUPT;
- p_rxdesc_curr->buf_size = PKTSIZE_ALIGN;
- p_rxdesc_curr->byte_cnt = 0;
-
- rxdesc_curr_addr = (u32)&dmvgbe->p_rxdesc_curr;
- writel((unsigned)p_rxdesc_curr->nxtdesc_p, rxdesc_curr_addr);
-
- return 0;
-}
-
-#if defined(CONFIG_PHYLIB)
-int mvgbe_phylib_init(struct eth_device *dev, int phyid)
-{
- struct mii_dev *bus;
- struct phy_device *phydev;
- int ret;
-
- bus = mdio_alloc();
- if (!bus) {
- printf("mdio_alloc failed\n");
- return -ENOMEM;
- }
- bus->read = mvgbe_phy_read;
- bus->write = mvgbe_phy_write;
- sprintf(bus->name, dev->name);
-
- ret = mdio_register(bus);
- if (ret) {
- printf("mdio_register failed\n");
- free(bus);
- return -ENOMEM;
- }
-
- /* Set phy address of the port */
- mvgbe_phy_write(bus, MV_PHY_ADR_REQUEST, 0, MV_PHY_ADR_REQUEST, phyid);
-
- phydev = phy_connect(bus, phyid, dev, PHY_INTERFACE_MODE_RGMII);
- if (!phydev) {
- printf("phy_connect failed\n");
- return -ENODEV;
- }
-
- phy_config(phydev);
- phy_startup(phydev);
-
- return 0;
-}
-#endif
-
-int mvgbe_initialize(bd_t *bis)
-{
- struct mvgbe_device *dmvgbe;
- struct eth_device *dev;
- int devnum;
- u8 used_ports[MAX_MVGBE_DEVS] = CONFIG_MVGBE_PORTS;
-
- for (devnum = 0; devnum < MAX_MVGBE_DEVS; devnum++) {
- /*skip if port is configured not to use */
- if (used_ports[devnum] == 0)
- continue;
-
- dmvgbe = malloc(sizeof(struct mvgbe_device));
-
- if (!dmvgbe)
- goto error1;
-
- memset(dmvgbe, 0, sizeof(struct mvgbe_device));
-
- dmvgbe->p_rxdesc =
- (struct mvgbe_rxdesc *)memalign(PKTALIGN,
- MV_RXQ_DESC_ALIGNED_SIZE*RINGSZ + 1);
-
- if (!dmvgbe->p_rxdesc)
- goto error2;
-
- dmvgbe->p_rxbuf = (u8 *) memalign(PKTALIGN,
- RINGSZ*PKTSIZE_ALIGN + 1);
-
- if (!dmvgbe->p_rxbuf)
- goto error3;
-
- dmvgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN);
-
- if (!dmvgbe->p_aligned_txbuf)
- goto error4;
-
- dmvgbe->p_txdesc = (struct mvgbe_txdesc *) memalign(
- PKTALIGN, sizeof(struct mvgbe_txdesc) + 1);
-
- if (!dmvgbe->p_txdesc) {
- free(dmvgbe->p_aligned_txbuf);
-error4:
- free(dmvgbe->p_rxbuf);
-error3:
- free(dmvgbe->p_rxdesc);
-error2:
- free(dmvgbe);
-error1:
- printf("Err.. %s Failed to allocate memory\n",
- __FUNCTION__);
- return -1;
- }
-
- dev = &dmvgbe->dev;
-
- /* must be less than sizeof(dev->name) */
- sprintf(dev->name, "egiga%d", devnum);
-
- switch (devnum) {
- case 0:
- dmvgbe->regs = (void *)MVGBE0_BASE;
- break;
-#if defined(MVGBE1_BASE)
- case 1:
- dmvgbe->regs = (void *)MVGBE1_BASE;
- break;
-#endif
- default: /* this should never happen */
- printf("Err..(%s) Invalid device number %d\n",
- __FUNCTION__, devnum);
- return -1;
- }
-
- dev->init = (void *)mvgbe_init;
- dev->halt = (void *)mvgbe_halt;
- dev->send = (void *)mvgbe_send;
- dev->recv = (void *)mvgbe_recv;
- dev->write_hwaddr = (void *)mvgbe_write_hwaddr;
-
- eth_register(dev);
-
-#if defined(CONFIG_PHYLIB)
- mvgbe_phylib_init(dev, PHY_BASE_ADR + devnum);
-#elif 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, MV_PHY_ADR_REQUEST,
- MV_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
-#endif
- }
- return 0;
-}