diff options
author | Albert Aribaud <albert.aribaud@free.fr> | 2010-07-12 22:24:27 +0200 |
---|---|---|
committer | Ben Warren <biggerbadderben@gmail.com> | 2010-07-12 23:40:30 -0700 |
commit | 9b6bcdcb932cf38a2da1b059f661b8ee6b85175f (patch) | |
tree | ba6170e6e2b52a4b712da8b637f569e0b7f5f15c /drivers/net/kirkwood_egiga.c | |
parent | c67e2ccd5045d7f1dff7eac3ac9007bb4bfa9794 (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.c | 736 |
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(®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; -} |