diff options
Diffstat (limited to 'drivers/net/chelsio/pm3393.c')
| -rw-r--r-- | drivers/net/chelsio/pm3393.c | 796 |
1 files changed, 0 insertions, 796 deletions
diff --git a/drivers/net/chelsio/pm3393.c b/drivers/net/chelsio/pm3393.c deleted file mode 100644 index 40c7b93abab..00000000000 --- a/drivers/net/chelsio/pm3393.c +++ /dev/null @@ -1,796 +0,0 @@ -/***************************************************************************** - * * - * File: pm3393.c * - * $Revision: 1.16 $ * - * $Date: 2005/05/14 00:59:32 $ * - * Description: * - * PMC/SIERRA (pm3393) MAC-PHY functionality. * - * part of the Chelsio 10Gb Ethernet Driver. * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License, version 2, as * - * published by the Free Software Foundation. * - * * - * 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., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * - * * - * http://www.chelsio.com * - * * - * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * - * All rights reserved. * - * * - * Maintainers: maintainers@chelsio.com * - * * - * Authors: Dimitrios Michailidis <dm@chelsio.com> * - * Tina Yang <tainay@chelsio.com> * - * Felix Marti <felix@chelsio.com> * - * Scott Bardone <sbardone@chelsio.com> * - * Kurt Ottaway <kottaway@chelsio.com> * - * Frank DiMambro <frank@chelsio.com> * - * * - * History: * - * * - ****************************************************************************/ - -#include "common.h" -#include "regs.h" -#include "gmac.h" -#include "elmer0.h" -#include "suni1x10gexp_regs.h" - -#include <linux/crc32.h> -#include <linux/slab.h> - -#define OFFSET(REG_ADDR) ((REG_ADDR) << 2) - -/* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */ -#define MAX_FRAME_SIZE 9600 - -#define IPG 12 -#define TXXG_CONF1_VAL ((IPG << SUNI1x10GEXP_BITOFF_TXXG_IPGT) | \ - SUNI1x10GEXP_BITMSK_TXXG_32BIT_ALIGN | SUNI1x10GEXP_BITMSK_TXXG_CRCEN | \ - SUNI1x10GEXP_BITMSK_TXXG_PADEN) -#define RXXG_CONF1_VAL (SUNI1x10GEXP_BITMSK_RXXG_PUREP | 0x14 | \ - SUNI1x10GEXP_BITMSK_RXXG_FLCHK | SUNI1x10GEXP_BITMSK_RXXG_CRC_STRIP) - -/* Update statistics every 15 minutes */ -#define STATS_TICK_SECS (15 * 60) - -enum { /* RMON registers */ - RxOctetsReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_1_LOW, - RxUnicastFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_4_LOW, - RxMulticastFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_5_LOW, - RxBroadcastFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_6_LOW, - RxPAUSEMACCtrlFramesReceived = SUNI1x10GEXP_REG_MSTAT_COUNTER_8_LOW, - RxFrameCheckSequenceErrors = SUNI1x10GEXP_REG_MSTAT_COUNTER_10_LOW, - RxFramesLostDueToInternalMACErrors = SUNI1x10GEXP_REG_MSTAT_COUNTER_11_LOW, - RxSymbolErrors = SUNI1x10GEXP_REG_MSTAT_COUNTER_12_LOW, - RxInRangeLengthErrors = SUNI1x10GEXP_REG_MSTAT_COUNTER_13_LOW, - RxFramesTooLongErrors = SUNI1x10GEXP_REG_MSTAT_COUNTER_15_LOW, - RxJabbers = SUNI1x10GEXP_REG_MSTAT_COUNTER_16_LOW, - RxFragments = SUNI1x10GEXP_REG_MSTAT_COUNTER_17_LOW, - RxUndersizedFrames = SUNI1x10GEXP_REG_MSTAT_COUNTER_18_LOW, - RxJumboFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_25_LOW, - RxJumboOctetsReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_26_LOW, - - TxOctetsTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_33_LOW, - TxFramesLostDueToInternalMACTransmissionError = SUNI1x10GEXP_REG_MSTAT_COUNTER_35_LOW, - TxTransmitSystemError = SUNI1x10GEXP_REG_MSTAT_COUNTER_36_LOW, - TxUnicastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_38_LOW, - TxMulticastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_40_LOW, - TxBroadcastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_42_LOW, - TxPAUSEMACCtrlFramesTransmitted = SUNI1x10GEXP_REG_MSTAT_COUNTER_43_LOW, - TxJumboFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_51_LOW, - TxJumboOctetsReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_52_LOW -}; - -struct _cmac_instance { - u8 enabled; - u8 fc; - u8 mac_addr[6]; -}; - -static int pmread(struct cmac *cmac, u32 reg, u32 * data32) -{ - t1_tpi_read(cmac->adapter, OFFSET(reg), data32); - return 0; -} - -static int pmwrite(struct cmac *cmac, u32 reg, u32 data32) -{ - t1_tpi_write(cmac->adapter, OFFSET(reg), data32); - return 0; -} - -/* Port reset. */ -static int pm3393_reset(struct cmac *cmac) -{ - return 0; -} - -/* - * Enable interrupts for the PM3393 - * - * 1. Enable PM3393 BLOCK interrupts. - * 2. Enable PM3393 Master Interrupt bit(INTE) - * 3. Enable ELMER's PM3393 bit. - * 4. Enable Terminator external interrupt. - */ -static int pm3393_interrupt_enable(struct cmac *cmac) -{ - u32 pl_intr; - - /* PM3393 - Enabling all hardware block interrupts. - */ - pmwrite(cmac, SUNI1x10GEXP_REG_SERDES_3125_INTERRUPT_ENABLE, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_XRF_INTERRUPT_ENABLE, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_XRF_DIAG_INTERRUPT_ENABLE, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_RXOAM_INTERRUPT_ENABLE, 0xffff); - - /* Don't interrupt on statistics overflow, we are polling */ - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_0, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_1, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_2, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_3, 0); - - pmwrite(cmac, SUNI1x10GEXP_REG_IFLX_FIFO_OVERFLOW_ENABLE, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_PL4ODP_INTERRUPT_MASK, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_XTEF_INTERRUPT_ENABLE, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_TXOAM_INTERRUPT_ENABLE, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_CONFIG_3, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_PL4IO_LOCK_DETECT_MASK, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_CONFIG_3, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_PL4IDU_INTERRUPT_MASK, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_EFLX_FIFO_OVERFLOW_ERROR_ENABLE, 0xffff); - - /* PM3393 - Global interrupt enable - */ - /* TBD XXX Disable for now until we figure out why error interrupts keep asserting. */ - pmwrite(cmac, SUNI1x10GEXP_REG_GLOBAL_INTERRUPT_ENABLE, - 0 /*SUNI1x10GEXP_BITMSK_TOP_INTE */ ); - - /* TERMINATOR - PL_INTERUPTS_EXT */ - pl_intr = readl(cmac->adapter->regs + A_PL_ENABLE); - pl_intr |= F_PL_INTR_EXT; - writel(pl_intr, cmac->adapter->regs + A_PL_ENABLE); - return 0; -} - -static int pm3393_interrupt_disable(struct cmac *cmac) -{ - u32 elmer; - - /* PM3393 - Enabling HW interrupt blocks. */ - pmwrite(cmac, SUNI1x10GEXP_REG_SERDES_3125_INTERRUPT_ENABLE, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_XRF_INTERRUPT_ENABLE, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_XRF_DIAG_INTERRUPT_ENABLE, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_RXOAM_INTERRUPT_ENABLE, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_0, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_1, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_2, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_3, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_IFLX_FIFO_OVERFLOW_ENABLE, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_PL4ODP_INTERRUPT_MASK, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_XTEF_INTERRUPT_ENABLE, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_TXOAM_INTERRUPT_ENABLE, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_CONFIG_3, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_PL4IO_LOCK_DETECT_MASK, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_CONFIG_3, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_PL4IDU_INTERRUPT_MASK, 0); - pmwrite(cmac, SUNI1x10GEXP_REG_EFLX_FIFO_OVERFLOW_ERROR_ENABLE, 0); - - /* PM3393 - Global interrupt enable */ - pmwrite(cmac, SUNI1x10GEXP_REG_GLOBAL_INTERRUPT_ENABLE, 0); - - /* ELMER - External chip interrupts. */ - t1_tpi_read(cmac->adapter, A_ELMER0_INT_ENABLE, &elmer); - elmer &= ~ELMER0_GP_BIT1; - t1_tpi_write(cmac->adapter, A_ELMER0_INT_ENABLE, elmer); - - /* TERMINATOR - PL_INTERUPTS_EXT */ - /* DO NOT DISABLE TERMINATOR's EXTERNAL INTERRUPTS. ANOTHER CHIP - * COULD WANT THEM ENABLED. We disable PM3393 at the ELMER level. - */ - - return 0; -} - -static int pm3393_interrupt_clear(struct cmac *cmac) -{ - u32 elmer; - u32 pl_intr; - u32 val32; - - /* PM3393 - Clearing HW interrupt blocks. Note, this assumes - * bit WCIMODE=0 for a clear-on-read. - */ - pmread(cmac, SUNI1x10GEXP_REG_SERDES_3125_INTERRUPT_STATUS, &val32); - pmread(cmac, SUNI1x10GEXP_REG_XRF_INTERRUPT_STATUS, &val32); - pmread(cmac, SUNI1x10GEXP_REG_XRF_DIAG_INTERRUPT_STATUS, &val32); - pmread(cmac, SUNI1x10GEXP_REG_RXOAM_INTERRUPT_STATUS, &val32); - pmread(cmac, SUNI1x10GEXP_REG_PL4ODP_INTERRUPT, &val32); - pmread(cmac, SUNI1x10GEXP_REG_XTEF_INTERRUPT_STATUS, &val32); - pmread(cmac, SUNI1x10GEXP_REG_IFLX_FIFO_OVERFLOW_INTERRUPT, &val32); - pmread(cmac, SUNI1x10GEXP_REG_TXOAM_INTERRUPT_STATUS, &val32); - pmread(cmac, SUNI1x10GEXP_REG_RXXG_INTERRUPT, &val32); - pmread(cmac, SUNI1x10GEXP_REG_TXXG_INTERRUPT, &val32); - pmread(cmac, SUNI1x10GEXP_REG_PL4IDU_INTERRUPT, &val32); - pmread(cmac, SUNI1x10GEXP_REG_EFLX_FIFO_OVERFLOW_ERROR_INDICATION, - &val32); - pmread(cmac, SUNI1x10GEXP_REG_PL4IO_LOCK_DETECT_STATUS, &val32); - pmread(cmac, SUNI1x10GEXP_REG_PL4IO_LOCK_DETECT_CHANGE, &val32); - - /* PM3393 - Global interrupt status - */ - pmread(cmac, SUNI1x10GEXP_REG_MASTER_INTERRUPT_STATUS, &val32); - - /* ELMER - External chip interrupts. - */ - t1_tpi_read(cmac->adapter, A_ELMER0_INT_CAUSE, &elmer); - elmer |= ELMER0_GP_BIT1; - t1_tpi_write(cmac->adapter, A_ELMER0_INT_CAUSE, elmer); - - /* TERMINATOR - PL_INTERUPTS_EXT - */ - pl_intr = readl(cmac->adapter->regs + A_PL_CAUSE); - pl_intr |= F_PL_INTR_EXT; - writel(pl_intr, cmac->adapter->regs + A_PL_CAUSE); - - return 0; -} - -/* Interrupt handler */ -static int pm3393_interrupt_handler(struct cmac *cmac) -{ - u32 master_intr_status; - - /* Read the master interrupt status register. */ - pmread(cmac, SUNI1x10GEXP_REG_MASTER_INTERRUPT_STATUS, - &master_intr_status); - if (netif_msg_intr(cmac->adapter)) - dev_dbg(&cmac->adapter->pdev->dev, "PM3393 intr cause 0x%x\n", - master_intr_status); - - /* TBD XXX Lets just clear everything for now */ - pm3393_interrupt_clear(cmac); - - return 0; -} - -static int pm3393_enable(struct cmac *cmac, int which) -{ - if (which & MAC_DIRECTION_RX) - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_CONFIG_1, - (RXXG_CONF1_VAL | SUNI1x10GEXP_BITMSK_RXXG_RXEN)); - - if (which & MAC_DIRECTION_TX) { - u32 val = TXXG_CONF1_VAL | SUNI1x10GEXP_BITMSK_TXXG_TXEN0; - - if (cmac->instance->fc & PAUSE_RX) - val |= SUNI1x10GEXP_BITMSK_TXXG_FCRX; - if (cmac->instance->fc & PAUSE_TX) - val |= SUNI1x10GEXP_BITMSK_TXXG_FCTX; - pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_CONFIG_1, val); - } - - cmac->instance->enabled |= which; - return 0; -} - -static int pm3393_enable_port(struct cmac *cmac, int which) -{ - /* Clear port statistics */ - pmwrite(cmac, SUNI1x10GEXP_REG_MSTAT_CONTROL, - SUNI1x10GEXP_BITMSK_MSTAT_CLEAR); - udelay(2); - memset(&cmac->stats, 0, sizeof(struct cmac_statistics)); - - pm3393_enable(cmac, which); - - /* - * XXX This should be done by the PHY and preferably not at all. - * The PHY doesn't give us link status indication on its own so have - * the link management code query it instead. - */ - t1_link_changed(cmac->adapter, 0); - return 0; -} - -static int pm3393_disable(struct cmac *cmac, int which) -{ - if (which & MAC_DIRECTION_RX) - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_CONFIG_1, RXXG_CONF1_VAL); - if (which & MAC_DIRECTION_TX) - pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_CONFIG_1, TXXG_CONF1_VAL); - - /* - * The disable is graceful. Give the PM3393 time. Can't wait very - * long here, we may be holding locks. - */ - udelay(20); - - cmac->instance->enabled &= ~which; - return 0; -} - -static int pm3393_loopback_enable(struct cmac *cmac) -{ - return 0; -} - -static int pm3393_loopback_disable(struct cmac *cmac) -{ - return 0; -} - -static int pm3393_set_mtu(struct cmac *cmac, int mtu) -{ - int enabled = cmac->instance->enabled; - - /* MAX_FRAME_SIZE includes header + FCS, mtu doesn't */ - mtu += 14 + 4; - if (mtu > MAX_FRAME_SIZE) - return -EINVAL; - - /* Disable Rx/Tx MAC before configuring it. */ - if (enabled) - pm3393_disable(cmac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); - - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MAX_FRAME_LENGTH, mtu); - pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_MAX_FRAME_SIZE, mtu); - - if (enabled) - pm3393_enable(cmac, enabled); - return 0; -} - -static int pm3393_set_rx_mode(struct cmac *cmac, struct t1_rx_mode *rm) -{ - int enabled = cmac->instance->enabled & MAC_DIRECTION_RX; - u32 rx_mode; - - /* Disable MAC RX before reconfiguring it */ - if (enabled) - pm3393_disable(cmac, MAC_DIRECTION_RX); - - pmread(cmac, SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_2, &rx_mode); - rx_mode &= ~(SUNI1x10GEXP_BITMSK_RXXG_PMODE | - SUNI1x10GEXP_BITMSK_RXXG_MHASH_EN); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_2, - (u16)rx_mode); - - if (t1_rx_mode_promisc(rm)) { - /* Promiscuous mode. */ - rx_mode |= SUNI1x10GEXP_BITMSK_RXXG_PMODE; - } - if (t1_rx_mode_allmulti(rm)) { - /* Accept all multicast. */ - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_LOW, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_MIDLOW, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_MIDHIGH, 0xffff); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_HIGH, 0xffff); - rx_mode |= SUNI1x10GEXP_BITMSK_RXXG_MHASH_EN; - } else if (t1_rx_mode_mc_cnt(rm)) { - /* Accept one or more multicast(s). */ - struct netdev_hw_addr *ha; - int bit; - u16 mc_filter[4] = { 0, }; - - netdev_for_each_mc_addr(ha, t1_get_netdev(rm)) { - /* bit[23:28] */ - bit = (ether_crc(ETH_ALEN, ha->addr) >> 23) & 0x3f; - mc_filter[bit >> 4] |= 1 << (bit & 0xf); - } - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_LOW, mc_filter[0]); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_MIDLOW, mc_filter[1]); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_MIDHIGH, mc_filter[2]); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_HIGH, mc_filter[3]); - rx_mode |= SUNI1x10GEXP_BITMSK_RXXG_MHASH_EN; - } - - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_2, (u16)rx_mode); - - if (enabled) - pm3393_enable(cmac, MAC_DIRECTION_RX); - - return 0; -} - -static int pm3393_get_speed_duplex_fc(struct cmac *cmac, int *speed, - int *duplex, int *fc) -{ - if (speed) - *speed = SPEED_10000; - if (duplex) - *duplex = DUPLEX_FULL; - if (fc) - *fc = cmac->instance->fc; - return 0; -} - -static int pm3393_set_speed_duplex_fc(struct cmac *cmac, int speed, int duplex, - int fc) -{ - if (speed >= 0 && speed != SPEED_10000) - return -1; - if (duplex >= 0 && duplex != DUPLEX_FULL) - return -1; - if (fc & ~(PAUSE_TX | PAUSE_RX)) - return -1; - - if (fc != cmac->instance->fc) { - cmac->instance->fc = (u8) fc; - if (cmac->instance->enabled & MAC_DIRECTION_TX) - pm3393_enable(cmac, MAC_DIRECTION_TX); - } - return 0; -} - -#define RMON_UPDATE(mac, name, stat_name) \ -{ \ - t1_tpi_read((mac)->adapter, OFFSET(name), &val0); \ - t1_tpi_read((mac)->adapter, OFFSET((name)+1), &val1); \ - t1_tpi_read((mac)->adapter, OFFSET((name)+2), &val2); \ - (mac)->stats.stat_name = (u64)(val0 & 0xffff) | \ - ((u64)(val1 & 0xffff) << 16) | \ - ((u64)(val2 & 0xff) << 32) | \ - ((mac)->stats.stat_name & \ - 0xffffff0000000000ULL); \ - if (ro & \ - (1ULL << ((name - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW) >> 2))) \ - (mac)->stats.stat_name += 1ULL << 40; \ -} - -static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac, - int flag) -{ - u64 ro; - u32 val0, val1, val2, val3; - - /* Snap the counters */ - pmwrite(mac, SUNI1x10GEXP_REG_MSTAT_CONTROL, - SUNI1x10GEXP_BITMSK_MSTAT_SNAP); - - /* Counter rollover, clear on read */ - pmread(mac, SUNI1x10GEXP_REG_MSTAT_COUNTER_ROLLOVER_0, &val0); - pmread(mac, SUNI1x10GEXP_REG_MSTAT_COUNTER_ROLLOVER_1, &val1); - pmread(mac, SUNI1x10GEXP_REG_MSTAT_COUNTER_ROLLOVER_2, &val2); - pmread(mac, SUNI1x10GEXP_REG_MSTAT_COUNTER_ROLLOVER_3, &val3); - ro = ((u64)val0 & 0xffff) | (((u64)val1 & 0xffff) << 16) | - (((u64)val2 & 0xffff) << 32) | (((u64)val3 & 0xffff) << 48); - - /* Rx stats */ - RMON_UPDATE(mac, RxOctetsReceivedOK, RxOctetsOK); - RMON_UPDATE(mac, RxUnicastFramesReceivedOK, RxUnicastFramesOK); - RMON_UPDATE(mac, RxMulticastFramesReceivedOK, RxMulticastFramesOK); - RMON_UPDATE(mac, RxBroadcastFramesReceivedOK, RxBroadcastFramesOK); - RMON_UPDATE(mac, RxPAUSEMACCtrlFramesReceived, RxPauseFrames); - RMON_UPDATE(mac, RxFrameCheckSequenceErrors, RxFCSErrors); - RMON_UPDATE(mac, RxFramesLostDueToInternalMACErrors, - RxInternalMACRcvError); - RMON_UPDATE(mac, RxSymbolErrors, RxSymbolErrors); - RMON_UPDATE(mac, RxInRangeLengthErrors, RxInRangeLengthErrors); - RMON_UPDATE(mac, RxFramesTooLongErrors , RxFrameTooLongErrors); - RMON_UPDATE(mac, RxJabbers, RxJabberErrors); - RMON_UPDATE(mac, RxFragments, RxRuntErrors); - RMON_UPDATE(mac, RxUndersizedFrames, RxRuntErrors); - RMON_UPDATE(mac, RxJumboFramesReceivedOK, RxJumboFramesOK); - RMON_UPDATE(mac, RxJumboOctetsReceivedOK, RxJumboOctetsOK); - - /* Tx stats */ - RMON_UPDATE(mac, TxOctetsTransmittedOK, TxOctetsOK); - RMON_UPDATE(mac, TxFramesLostDueToInternalMACTransmissionError, - TxInternalMACXmitError); - RMON_UPDATE(mac, TxTransmitSystemError, TxFCSErrors); - RMON_UPDATE(mac, TxUnicastFramesTransmittedOK, TxUnicastFramesOK); - RMON_UPDATE(mac, TxMulticastFramesTransmittedOK, TxMulticastFramesOK); - RMON_UPDATE(mac, TxBroadcastFramesTransmittedOK, TxBroadcastFramesOK); - RMON_UPDATE(mac, TxPAUSEMACCtrlFramesTransmitted, TxPauseFrames); - RMON_UPDATE(mac, TxJumboFramesReceivedOK, TxJumboFramesOK); - RMON_UPDATE(mac, TxJumboOctetsReceivedOK, TxJumboOctetsOK); - - return &mac->stats; -} - -static int pm3393_macaddress_get(struct cmac *cmac, u8 mac_addr[6]) -{ - memcpy(mac_addr, cmac->instance->mac_addr, 6); - return 0; -} - -static int pm3393_macaddress_set(struct cmac *cmac, u8 ma[6]) -{ - u32 val, lo, mid, hi, enabled = cmac->instance->enabled; - - /* - * MAC addr: 00:07:43:00:13:09 - * - * ma[5] = 0x09 - * ma[4] = 0x13 - * ma[3] = 0x00 - * ma[2] = 0x43 - * ma[1] = 0x07 - * ma[0] = 0x00 - * - * The PM3393 requires byte swapping and reverse order entry - * when programming MAC addresses: - * - * low_bits[15:0] = ma[1]:ma[0] - * mid_bits[31:16] = ma[3]:ma[2] - * high_bits[47:32] = ma[5]:ma[4] - */ - - /* Store local copy */ - memcpy(cmac->instance->mac_addr, ma, 6); - - lo = ((u32) ma[1] << 8) | (u32) ma[0]; - mid = ((u32) ma[3] << 8) | (u32) ma[2]; - hi = ((u32) ma[5] << 8) | (u32) ma[4]; - - /* Disable Rx/Tx MAC before configuring it. */ - if (enabled) - pm3393_disable(cmac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); - - /* Set RXXG Station Address */ - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_SA_15_0, lo); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_SA_31_16, mid); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_SA_47_32, hi); - - /* Set TXXG Station Address */ - pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_SA_15_0, lo); - pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_SA_31_16, mid); - pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_SA_47_32, hi); - - /* Setup Exact Match Filter 1 with our MAC address - * - * Must disable exact match filter before configuring it. - */ - pmread(cmac, SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_0, &val); - val &= 0xff0f; - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_0, val); - - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_1_LOW, lo); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_1_MID, mid); - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_1_HIGH, hi); - - val |= 0x0090; - pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_0, val); - - if (enabled) - pm3393_enable(cmac, enabled); - return 0; -} - -static void pm3393_destroy(struct cmac *cmac) -{ - kfree(cmac); -} - -static struct cmac_ops pm3393_ops = { - .destroy = pm3393_destroy, - .reset = pm3393_reset, - .interrupt_enable = pm3393_interrupt_enable, - .interrupt_disable = pm3393_interrupt_disable, - .interrupt_clear = pm3393_interrupt_clear, - .interrupt_handler = pm3393_interrupt_handler, - .enable = pm3393_enable_port, - .disable = pm3393_disable, - .loopback_enable = pm3393_loopback_enable, - .loopback_disable = pm3393_loopback_disable, - .set_mtu = pm3393_set_mtu, - .set_rx_mode = pm3393_set_rx_mode, - .get_speed_duplex_fc = pm3393_get_speed_duplex_fc, - .set_speed_duplex_fc = pm3393_set_speed_duplex_fc, - .statistics_update = pm3393_update_statistics, - .macaddress_get = pm3393_macaddress_get, - .macaddress_set = pm3393_macaddress_set -}; - -static struct cmac *pm3393_mac_create(adapter_t *adapter, int index) -{ - struct cmac *cmac; - - cmac = kzalloc(sizeof(*cmac) + sizeof(cmac_instance), GFP_KERNEL); - if (!cmac) - return NULL; - - cmac->ops = &pm3393_ops; - cmac->instance = (cmac_instance *) (cmac + 1); - cmac->adapter = adapter; - cmac->instance->fc = PAUSE_TX | PAUSE_RX; - - t1_tpi_write(adapter, OFFSET(0x0001), 0x00008000); - t1_tpi_write(adapter, OFFSET(0x0001), 0x00000000); - t1_tpi_write(adapter, OFFSET(0x2308), 0x00009800); - t1_tpi_write(adapter, OFFSET(0x2305), 0x00001001); /* PL4IO Enable */ - t1_tpi_write(adapter, OFFSET(0x2320), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2321), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2322), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2323), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2324), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2325), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2326), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2327), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2328), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x2329), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x232a), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x232b), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x232c), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x232d), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x232e), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x232f), 0x00008800); - t1_tpi_write(adapter, OFFSET(0x230d), 0x00009c00); - t1_tpi_write(adapter, OFFSET(0x2304), 0x00000202); /* PL4IO Calendar Repetitions */ - - t1_tpi_write(adapter, OFFSET(0x3200), 0x00008080); /* EFLX Enable */ - t1_tpi_write(adapter, OFFSET(0x3210), 0x00000000); /* EFLX Channel Deprovision */ - t1_tpi_write(adapter, OFFSET(0x3203), 0x00000000); /* EFLX Low Limit */ - t1_tpi_write(adapter, OFFSET(0x3204), 0x00000040); /* EFLX High Limit */ - t1_tpi_write(adapter, OFFSET(0x3205), 0x000002cc); /* EFLX Almost Full */ - t1_tpi_write(adapter, OFFSET(0x3206), 0x00000199); /* EFLX Almost Empty */ - t1_tpi_write(adapter, OFFSET(0x3207), 0x00000240); /* EFLX Cut Through Threshold */ - t1_tpi_write(adapter, OFFSET(0x3202), 0x00000000); /* EFLX Indirect Register Update */ - t1_tpi_write(adapter, OFFSET(0x3210), 0x00000001); /* EFLX Channel Provision */ - t1_tpi_write(adapter, OFFSET(0x3208), 0x0000ffff); /* EFLX Undocumented */ - t1_tpi_write(adapter, OFFSET(0x320a), 0x0000ffff); /* EFLX Undocumented */ - t1_tpi_write(adapter, OFFSET(0x320c), 0x0000ffff); /* EFLX enable overflow interrupt The other bit are undocumented */ - t1_tpi_write(adapter, OFFSET(0x320e), 0x0000ffff); /* EFLX Undocumented */ - - t1_tpi_write(adapter, OFFSET(0x2200), 0x0000c000); /* IFLX Configuration - enable */ - t1_tpi_write(adapter, OFFSET(0x2201), 0x00000000); /* IFLX Channel Deprovision */ - t1_tpi_write(adapter, OFFSET(0x220e), 0x00000000); /* IFLX Low Limit */ - t1_tpi_write(adapter, OFFSET(0x220f), 0x00000100); /* IFLX High Limit */ - t1_tpi_write(adapter, OFFSET(0x2210), 0x00000c00); /* IFLX Almost Full Limit */ - t1_tpi_write(adapter, OFFSET(0x2211), 0x00000599); /* IFLX Almost Empty Limit */ - t1_tpi_write(adapter, OFFSET(0x220d), 0x00000000); /* IFLX Indirect Register Update */ - t1_tpi_write(adapter, OFFSET(0x2201), 0x00000001); /* IFLX Channel Provision */ - t1_tpi_write(adapter, OFFSET(0x2203), 0x0000ffff); /* IFLX Undocumented */ - t1_tpi_write(adapter, OFFSET(0x2205), 0x0000ffff); /* IFLX Undocumented */ - t1_tpi_write(adapter, OFFSET(0x2209), 0x0000ffff); /* IFLX Enable overflow interrupt. The other bit are undocumented */ - - t1_tpi_write(adapter, OFFSET(0x2241), 0xfffffffe); /* PL4MOS Undocumented */ - t1_tpi_write(adapter, OFFSET(0x2242), 0x0000ffff); /* PL4MOS Undocumented */ - t1_tpi_write(adapter, OFFSET(0x2243), 0x00000008); /* PL4MOS Starving Burst Size */ - t1_tpi_write(adapter, OFFSET(0x2244), 0x00000008); /* PL4MOS Hungry Burst Size */ - t1_tpi_write(adapter, OFFSET(0x2245), 0x00000008); /* PL4MOS Transfer Size */ - t1_tpi_write(adapter, OFFSET(0x2240), 0x00000005); /* PL4MOS Disable */ - - t1_tpi_write(adapter, OFFSET(0x2280), 0x00002103); /* PL4ODP Training Repeat and SOP rule */ - t1_tpi_write(adapter, OFFSET(0x2284), 0x00000000); /* PL4ODP MAX_T setting */ - - t1_tpi_write(adapter, OFFSET(0x3280), 0x00000087); /* PL4IDU Enable data forward, port state machine. Set ALLOW_NON_ZERO_OLB */ - t1_tpi_write(adapter, OFFSET(0x3282), 0x0000001f); /* PL4IDU Enable Dip4 check error interrupts */ - - t1_tpi_write(adapter, OFFSET(0x3040), 0x0c32); /* # TXXG Config */ - /* For T1 use timer based Mac flow control. */ - t1_tpi_write(adapter, OFFSET(0x304d), 0x8000); - t1_tpi_write(adapter, OFFSET(0x2040), 0x059c); /* # RXXG Config */ - t1_tpi_write(adapter, OFFSET(0x2049), 0x0001); /* # RXXG Cut Through */ - t1_tpi_write(adapter, OFFSET(0x2070), 0x0000); /* # Disable promiscuous mode */ - - /* Setup Exact Match Filter 0 to allow broadcast packets. - */ - t1_tpi_write(adapter, OFFSET(0x206e), 0x0000); /* # Disable Match Enable bit */ - t1_tpi_write(adapter, OFFSET(0x204a), 0xffff); /* # low addr */ - t1_tpi_write(adapter, OFFSET(0x204b), 0xffff); /* # mid addr */ - t1_tpi_write(adapter, OFFSET(0x204c), 0xffff); /* # high addr */ - t1_tpi_write(adapter, OFFSET(0x206e), 0x0009); /* # Enable Match Enable bit */ - - t1_tpi_write(adapter, OFFSET(0x0003), 0x0000); /* # NO SOP/ PAD_EN setup */ - t1_tpi_write(adapter, OFFSET(0x0100), 0x0ff0); /* # RXEQB disabled */ - t1_tpi_write(adapter, OFFSET(0x0101), 0x0f0f); /* # No Preemphasis */ - - return cmac; -} - -static int pm3393_mac_reset(adapter_t * adapter) -{ - u32 val; - u32 x; - u32 is_pl4_reset_finished; - u32 is_pl4_outof_lock; - u32 is_xaui_mabc_pll_locked; - u32 successful_reset; - int i; - - /* The following steps are required to properly reset - * the PM3393. This information is provided in the - * PM3393 datasheet (Issue 2: November 2002) - * section 13.1 -- Device Reset. - * - * The PM3393 has three types of components that are - * individually reset: - * - * DRESETB - Digital circuitry - * PL4_ARESETB - PL4 analog circuitry - * XAUI_ARESETB - XAUI bus analog circuitry - * - * Steps to reset PM3393 using RSTB pin: - * - * 1. Assert RSTB pin low ( write 0 ) - * 2. Wait at least 1ms to initiate a complete initialization of device. - * 3. Wait until all external clocks and REFSEL are stable. - * 4. Wait minimum of 1ms. (after external clocks and REFEL are stable) - * 5. De-assert RSTB ( write 1 ) - * 6. Wait until internal timers to expires after ~14ms. - * - Allows analog clock synthesizer(PL4CSU) to stabilize to - * selected reference frequency before allowing the digital - * portion of the device to operate. - * 7. Wait at least 200us for XAUI interface to stabilize. - * 8. Verify the PM3393 came out of reset successfully. - * Set successful reset flag if everything worked else try again - * a few more times. - */ - - successful_reset = 0; - for (i = 0; i < 3 && !successful_reset; i++) { - /* 1 */ - t1_tpi_read(adapter, A_ELMER0_GPO, &val); - val &= ~1; - t1_tpi_write(adapter, A_ELMER0_GPO, val); - - /* 2 */ - msleep(1); - - /* 3 */ - msleep(1); - - /* 4 */ - msleep(2 /*1 extra ms for safety */ ); - - /* 5 */ - val |= 1; - t1_tpi_write(adapter, A_ELMER0_GPO, val); - - /* 6 */ - msleep(15 /*1 extra ms for safety */ ); - - /* 7 */ - msleep(1); - - /* 8 */ - - /* Has PL4 analog block come out of reset correctly? */ - t1_tpi_read(adapter, OFFSET(SUNI1x10GEXP_REG_DEVICE_STATUS), &val); - is_pl4_reset_finished = (val & SUNI1x10GEXP_BITMSK_TOP_EXPIRED); - - /* TBD XXX SUNI1x10GEXP_BITMSK_TOP_PL4_IS_DOOL gets locked later in the init sequence - * figure out why? */ - - /* Have all PL4 block clocks locked? */ - x = (SUNI1x10GEXP_BITMSK_TOP_PL4_ID_DOOL - /*| SUNI1x10GEXP_BITMSK_TOP_PL4_IS_DOOL */ | - SUNI1x10GEXP_BITMSK_TOP_PL4_ID_ROOL | - SUNI1x10GEXP_BITMSK_TOP_PL4_IS_ROOL | - SUNI1x10GEXP_BITMSK_TOP_PL4_OUT_ROOL); - is_pl4_outof_lock = (val & x); - - /* ??? If this fails, might be able to software reset the XAUI part - * and try to recover... thus saving us from doing another HW reset */ - /* Has the XAUI MABC PLL circuitry stablized? */ - is_xaui_mabc_pll_locked = - (val & SUNI1x10GEXP_BITMSK_TOP_SXRA_EXPIRED); - - successful_reset = (is_pl4_reset_finished && !is_pl4_outof_lock - && is_xaui_mabc_pll_locked); - - if (netif_msg_hw(adapter)) - dev_dbg(&adapter->pdev->dev, - "PM3393 HW reset %d: pl4_reset 0x%x, val 0x%x, " - "is_pl4_outof_lock 0x%x, xaui_locked 0x%x\n", - i, is_pl4_reset_finished, val, - is_pl4_outof_lock, is_xaui_mabc_pll_locked); - } - return successful_reset ? 0 : 1; -} - -const struct gmac t1_pm3393_ops = { - .stats_update_period = STATS_TICK_SECS, - .create = pm3393_mac_create, - .reset = pm3393_mac_reset, -}; |