diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/net/chelsio/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/chelsio/common.h | 2 | ||||
| -rw-r--r-- | drivers/net/chelsio/cxgb2.c | 1 | ||||
| -rw-r--r-- | drivers/net/chelsio/ixf1010.c | 485 | ||||
| -rw-r--r-- | drivers/net/chelsio/mac.c | 368 | ||||
| -rw-r--r-- | drivers/net/chelsio/mv88e1xxx.c | 397 | ||||
| -rw-r--r-- | drivers/net/chelsio/subr.c | 221 | ||||
| -rw-r--r-- | drivers/net/chelsio/tp.c | 33 | ||||
| -rw-r--r-- | drivers/net/chelsio/vsc7326.c | 725 | ||||
| -rw-r--r-- | drivers/net/chelsio/vsc8244.c | 368 | ||||
| -rw-r--r-- | drivers/net/chelsio/vsc8244_reg.h | 172 |
12 files changed, 2780 insertions, 0 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 2f10dd5..ee391f2 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2376,6 +2376,13 @@ config CHELSIO_T1 To compile this driver as a module, choose M here: the module will be called cxgb. +config CHELSIO_T1_1G + bool "Chelsio gigabit Ethernet support" + depends on CHELSIO_T1 + help + Enables support for Chelsio's gigabit Ethernet PCI cards. If you + are using only 10G cards say 'N' here. + config EHEA tristate "eHEA Ethernet support" depends on IBMEBUS diff --git a/drivers/net/chelsio/Makefile b/drivers/net/chelsio/Makefile index 6d87316..382d23f 100644 --- a/drivers/net/chelsio/Makefile +++ b/drivers/net/chelsio/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_CHELSIO_T1) += cxgb.o +cxgb-$(CONFIG_CHELSIO_T1_1G) += ixf1010.o mac.o mv88e1xxx.o vsc7326.o vsc8244.o cxgb-objs := cxgb2.o espi.o tp.o pm3393.o sge.o subr.o \ mv88x201x.o my3126.o $(cxgb-y) diff --git a/drivers/net/chelsio/common.h b/drivers/net/chelsio/common.h index e4e59d2..55f1eaa 100644 --- a/drivers/net/chelsio/common.h +++ b/drivers/net/chelsio/common.h @@ -283,6 +283,8 @@ struct adapter { spinlock_t tpi_lock; spinlock_t work_lock; + spinlock_t mac_lock; + /* guards async operations */ spinlock_t async_lock ____cacheline_aligned; u32 slow_intr_mask; diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index a8c873b..571aa06 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -1094,6 +1094,7 @@ static int __devinit init_one(struct pci_dev *pdev, spin_lock_init(&adapter->tpi_lock); spin_lock_init(&adapter->work_lock); spin_lock_init(&adapter->async_lock); + spin_lock_init(&adapter->mac_lock); INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task, adapter); diff --git a/drivers/net/chelsio/ixf1010.c b/drivers/net/chelsio/ixf1010.c new file mode 100644 index 0000000..5b8f144 --- /dev/null +++ b/drivers/net/chelsio/ixf1010.c @@ -0,0 +1,485 @@ +/* $Date: 2005/11/12 02:13:49 $ $RCSfile: ixf1010.c,v $ $Revision: 1.36 $ */ +#include "gmac.h" +#include "elmer0.h" + +/* Update fast changing statistics every 15 seconds */ +#define STATS_TICK_SECS 15 +/* 30 minutes for full statistics update */ +#define MAJOR_UPDATE_TICKS (1800 / STATS_TICK_SECS) + +/* + * The IXF1010 can handle frames up to 16383 bytes but it's optimized for + * frames up to 9831 (0x2667) bytes, so we limit jumbo frame size to this. + * This length includes ethernet header and FCS. + */ +#define MAX_FRAME_SIZE 0x2667 + +/* MAC registers */ +enum { + /* Per-port registers */ + REG_MACADDR_LOW = 0, + REG_MACADDR_HIGH = 0x4, + REG_FDFC_TYPE = 0xC, + REG_FC_TX_TIMER_VALUE = 0x1c, + REG_IPG_RX_TIME1 = 0x28, + REG_IPG_RX_TIME2 = 0x2c, + REG_IPG_TX_TIME = 0x30, + REG_PAUSE_THRES = 0x38, + REG_MAX_FRAME_SIZE = 0x3c, + REG_RGMII_SPEED = 0x40, + REG_FC_ENABLE = 0x48, + REG_DISCARD_CTRL_FRAMES = 0x54, + REG_DIVERSE_CONFIG = 0x60, + REG_RX_FILTER = 0x64, + REG_MC_ADDR_LOW = 0x68, + REG_MC_ADDR_HIGH = 0x6c, + + REG_RX_OCTETS_OK = 0x80, + REG_RX_OCTETS_BAD = 0x84, + REG_RX_UC_PKTS = 0x88, + REG_RX_MC_PKTS = 0x8c, + REG_RX_BC_PKTS = 0x90, + REG_RX_FCS_ERR = 0xb0, + REG_RX_TAGGED = 0xb4, + REG_RX_DATA_ERR = 0xb8, + REG_RX_ALIGN_ERR = 0xbc, + REG_RX_LONG_ERR = 0xc0, + REG_RX_JABBER_ERR = 0xc4, + REG_RX_PAUSE_FRAMES = 0xc8, + REG_RX_UNKNOWN_CTRL_FRAMES = 0xcc, + REG_RX_VERY_LONG_ERR = 0xd0, + REG_RX_RUNT_ERR = 0xd4, + REG_RX_SHORT_ERR = 0xd8, + REG_RX_SYMBOL_ERR = 0xe4, + + REG_TX_OCTETS_OK = 0x100, + REG_TX_OCTETS_BAD = 0x104, + REG_TX_UC_PKTS = 0x108, + REG_TX_MC_PKTS = 0x10c, + REG_TX_BC_PKTS = 0x110, + REG_TX_EXCESSIVE_LEN_DROP = 0x14c, + REG_TX_UNDERRUN = 0x150, + REG_TX_TAGGED = 0x154, + REG_TX_PAUSE_FRAMES = 0x15C, + + /* Global registers */ + REG_PORT_ENABLE = 0x1400, + + REG_JTAG_ID = 0x1430, + + RX_FIFO_HIGH_WATERMARK_BASE = 0x1600, + RX_FIFO_LOW_WATERMARK_BASE = 0x1628, + RX_FIFO_FRAMES_REMOVED_BASE = 0x1650, + + REG_RX_ERR_DROP = 0x167c, + REG_RX_FIFO_OVERFLOW_EVENT = 0x1680, + + TX_FIFO_HIGH_WATERMARK_BASE = 0x1800, + TX_FIFO_LOW_WATERMARK_BASE = 0x1828, + TX_FIFO_XFER_THRES_BASE = 0x1850, + + REG_TX_FIFO_OVERFLOW_EVENT = 0x1878, + REG_TX_FIFO_OOS_EVENT = 0x1884, + + TX_FIFO_FRAMES_REMOVED_BASE = 0x1888, + + REG_SPI_RX_BURST = 0x1c00, + REG_SPI_RX_TRAINING = 0x1c04, + REG_SPI_RX_CALENDAR = 0x1c08, + REG_SPI_TX_SYNC = 0x1c0c +}; + +enum { /* RMON registers */ + REG_RxOctetsTotalOK = 0x80, + REG_RxOctetsBad = 0x84, + REG_RxUCPkts = 0x88, + REG_RxMCPkts = 0x8c, + REG_RxBCPkts = 0x90, + REG_RxJumboPkts = 0xac, + REG_RxFCSErrors = 0xb0, + REG_RxDataErrors = 0xb8, + REG_RxAlignErrors = 0xbc, + REG_RxLongErrors = 0xc0, + REG_RxJabberErrors = 0xc4, + REG_RxPauseMacControlCounter = 0xc8, + REG_RxVeryLongErrors = 0xd0, + REG_RxRuntErrors = 0xd4, + REG_RxShortErrors = 0xd8, + REG_RxSequenceErrors = 0xe0, + REG_RxSymbolErrors = 0xe4, + + REG_TxOctetsTotalOK = 0x100, + REG_TxOctetsBad = 0x104, + REG_TxUCPkts = 0x108, + REG_TxMCPkts = 0x10c, + REG_TxBCPkts = 0x110, + REG_TxJumboPkts = 0x12C, + REG_TxTotalCollisions = 0x134, + REG_TxExcessiveLengthDrop = 0x14c, + REG_TxUnderrun = 0x150, + REG_TxCRCErrors = 0x158, + REG_TxPauseFrames = 0x15c +}; + +enum { + DIVERSE_CONFIG_PAD_ENABLE = 0x80, + DIVERSE_CONFIG_CRC_ADD = 0x40 +}; + +#define MACREG_BASE 0 +#define MACREG(mac, mac_reg) ((mac)->instance->mac_base + (mac_reg)) + +struct _cmac_instance { + u32 mac_base; + u32 index; + u32 version; + u32 ticks; +}; + +static void disable_port(struct cmac *mac) +{ + u32 val; + + t1_tpi_read(mac->adapter, REG_PORT_ENABLE, &val); + val &= ~(1 << mac->instance->index); + t1_tpi_write(mac->adapter, REG_PORT_ENABLE, val); +} + +#define RMON_UPDATE(mac, name, stat_name) \ + t1_tpi_read((mac)->adapter, MACREG(mac, REG_##name), &val); \ + (mac)->stats.stat_name += val; + +/* + * Read the current values of the RMON counters and add them to the cumulative + * port statistics. The HW RMON counters are cleared by this operation. + */ +static void port_stats_update(struct cmac *mac) +{ + u32 val; + + /* Rx stats */ + RMON_UPDATE(mac, RxOctetsTotalOK, RxOctetsOK); + RMON_UPDATE(mac, RxOctetsBad, RxOctetsBad); + RMON_UPDATE(mac, RxUCPkts, RxUnicastFramesOK); + RMON_UPDATE(mac, RxMCPkts, RxMulticastFramesOK); + RMON_UPDATE(mac, RxBCPkts, RxBroadcastFramesOK); + RMON_UPDATE(mac, RxJumboPkts, RxJumboFramesOK); + RMON_UPDATE(mac, RxFCSErrors, RxFCSErrors); + RMON_UPDATE(mac, RxAlignErrors, RxAlignErrors); + RMON_UPDATE(mac, RxLongErrors, RxFrameTooLongErrors); + RMON_UPDATE(mac, RxVeryLongErrors, RxFrameTooLongErrors); + RMON_UPDATE(mac, RxPauseMacControlCounter, RxPauseFrames); + RMON_UPDATE(mac, RxDataErrors, RxDataErrors); + RMON_UPDATE(mac, RxJabberErrors, RxJabberErrors); + RMON_UPDATE(mac, RxRuntErrors, RxRuntErrors); + RMON_UPDATE(mac, RxShortErrors, RxRuntErrors); + RMON_UPDATE(mac, RxSequenceErrors, RxSequenceErrors); + RMON_UPDATE(mac, RxSymbolErrors, RxSymbolErrors); + + /* Tx stats (skip collision stats as we are full-duplex only) */ + RMON_UPDATE(mac, TxOctetsTotalOK, TxOctetsOK); + RMON_UPDATE(mac, TxOctetsBad, TxOctetsBad); + RMON_UPDATE(mac, TxUCPkts, TxUnicastFramesOK); + RMON_UPDATE(mac, TxMCPkts, TxMulticastFramesOK); + RMON_UPDATE(mac, TxBCPkts, TxBroadcastFramesOK); + RMON_UPDATE(mac, TxJumboPkts, TxJumboFramesOK); + RMON_UPDATE(mac, TxPauseFrames, TxPauseFrames); + RMON_UPDATE(mac, TxExcessiveLengthDrop, TxLengthErrors); + RMON_UPDATE(mac, TxUnderrun, TxUnderrun); + RMON_UPDATE(mac, TxCRCErrors, TxFCSErrors); +} + +/* No-op interrupt operation as this MAC does not support interrupts */ +static int mac_intr_op(struct cmac *mac) +{ + return 0; +} + +/* Expect MAC address to be in network byte order. */ +static int mac_set_address(struct cmac *mac, u8 addr[6]) +{ + u32 addr_lo, addr_hi; + + addr_lo = addr[2]; + addr_lo = (addr_lo << 8) | addr[3]; + addr_lo = (addr_lo << 8) | addr[4]; + addr_lo = (addr_lo << 8) | addr[5]; + + addr_hi = addr[0]; + addr_hi = (addr_hi << 8) | addr[1]; + + t1_tpi_write(mac->adapter, MACREG(mac, REG_MACADDR_LOW), addr_lo); + t1_tpi_write(mac->adapter, MACREG(mac, REG_MACADDR_HIGH), addr_hi); + return 0; +} + +static int mac_get_address(struct cmac *mac, u8 addr[6]) +{ + u32 addr_lo, addr_hi; + + t1_tpi_read(mac->adapter, MACREG(mac, REG_MACADDR_LOW), &addr_lo); + t1_tpi_read(mac->adapter, MACREG(mac, REG_MACADDR_HIGH), &addr_hi); + + addr[0] = (u8) (addr_hi >> 8); + addr[1] = (u8) addr_hi; + addr[2] = (u8) (addr_lo >> 24); + addr[3] = (u8) (addr_lo >> 16); + addr[4] = (u8) (addr_lo >> 8); + addr[5] = (u8) addr_lo; + return 0; +} + +/* This is intended to reset a port, not the whole MAC */ +static int mac_reset(struct cmac *mac) +{ + return 0; +} + +static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm) +{ + u32 val, new_mode; + adapter_t *adapter = mac->adapter; + u32 addr_lo, addr_hi; + u8 *addr; + + t1_tpi_read(adapter, MACREG(mac, REG_RX_FILTER), &val); + new_mode = val & ~7; + if (!t1_rx_mode_promisc(rm) && mac->instance->version > 0) + new_mode |= 1; /* only set if version > 0 due to erratum */ + if (!t1_rx_mode_promisc(rm) && !t1_rx_mode_allmulti(rm) + && t1_rx_mode_mc_cnt(rm) <= 1) + new_mode |= 2; + if (new_mode != val) + t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), new_mode); + switch (t1_rx_mode_mc_cnt(rm)) { + case 0: + t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_LOW), 0); + t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_HIGH), 0); + break; + case 1: + addr = t1_get_next_mcaddr(rm); + addr_lo = (addr[2] << 24) | (addr[3] << 16) | (addr[4] << 8) | + addr[5]; + addr_hi = (addr[0] << 8) | addr[1]; + t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_LOW), addr_lo); + t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_HIGH), addr_hi); + break; + default: + break; + } + return 0; +} + +static int mac_set_mtu(struct cmac *mac, int mtu) +{ + /* MAX_FRAME_SIZE inludes header + FCS, mtu doesn't */ + if (mtu > (MAX_FRAME_SIZE - 14 - 4)) return -EINVAL; + t1_tpi_write(mac->adapter, MACREG(mac, REG_MAX_FRAME_SIZE), + mtu + 14 + 4); + return 0; +} + +static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, + int fc) +{ + u32 val; + + if (speed >= 0 && speed != SPEED_100 && speed != SPEED_1000) + return -1; + if (duplex >= 0 && duplex != DUPLEX_FULL) + return -1; + + if (speed >= 0) { + val = speed == SPEED_100 ? 1 : 2; + t1_tpi_write(mac->adapter, MACREG(mac, REG_RGMII_SPEED), val); + } + + t1_tpi_read(mac->adapter, MACREG(mac, REG_FC_ENABLE), &val); + val &= ~3; + if (fc & PAUSE_RX) + val |= 1; + if (fc & PAUSE_TX) + val |= 2; + t1_tpi_write(mac->adapter, MACREG(mac, REG_FC_ENABLE), val); + return 0; +} + +static int mac_get_speed_duplex_fc(struct cmac *mac, int *speed, int *duplex, + int *fc) +{ + u32 val; + + if (duplex) + *duplex = DUPLEX_FULL; + if (speed) { + t1_tpi_read(mac->adapter, MACREG(mac, REG_RGMII_SPEED), + &val); + *speed = (val & 2) ? SPEED_1000 : SPEED_100; + } + if (fc) { + t1_tpi_read(mac->adapter, MACREG(mac, REG_FC_ENABLE), &val); + *fc = 0; + if (val & 1) + *fc |= PAUSE_RX; + if (val & 2) + *fc |= PAUSE_TX; + } + return 0; +} + +static void enable_port(struct cmac *mac) +{ + u32 val; + u32 index = mac->instance->index; + adapter_t *adapter = mac->adapter; + + t1_tpi_read(adapter, MACREG(mac, REG_DIVERSE_CONFIG), &val); + val |= DIVERSE_CONFIG_CRC_ADD | DIVERSE_CONFIG_PAD_ENABLE; + t1_tpi_write(adapter, MACREG(mac, REG_DIVERSE_CONFIG), val); + if (mac->instance->version > 0) + t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), 3); + else /* Don't enable unicast address filtering due to IXF1010 bug */ + t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), 2); + + t1_tpi_read(adapter, REG_RX_ERR_DROP, &val); + val |= (1 << index); + t1_tpi_write(adapter, REG_RX_ERR_DROP, val); + + /* + * Clear the port RMON registers by adding their current values to the + * cumulatice port stats and then clearing the stats. Really. + */ + port_stats_update(mac); + memset(&mac->stats, 0, sizeof(struct cmac_statistics)); + mac->instance->ticks = 0; + + t1_tpi_read(adapter, REG_PORT_ENABLE, &val); + val |= (1 << index); + t1_tpi_write(adapter, REG_PORT_ENABLE, val); + + index <<= 2; + if (is_T2(adapter)) { + /* T204: set the Fifo water level & threshold */ + t1_tpi_write(adapter, RX_FIFO_HIGH_WATERMARK_BASE + index, 0x740); + t1_tpi_write(adapter, RX_FIFO_LOW_WATERMARK_BASE + index, 0x730); + t1_tpi_write(adapter, TX_FIFO_HIGH_WATERMARK_BASE + index, 0x600); + t1_tpi_write(adapter, TX_FIFO_LOW_WATERMARK_BASE + index, 0x1d0); + t1_tpi_write(adapter, TX_FIFO_XFER_THRES_BASE + index, 0x1100); + } else { + /* + * Set the TX Fifo Threshold to 0x400 instead of 0x100 to work around + * Underrun problem. Intel has blessed this solution. + */ + t1_tpi_write(adapter, TX_FIFO_XFER_THRES_BASE + index, 0x400); + } +} + +/* IXF1010 ports do not have separate enables for TX and RX */ +static int mac_enable(struct cmac *mac, int which) +{ + if (which & (MAC_DIRECTION_RX | MAC_DIRECTION_TX)) + enable_port(mac); + return 0; +} + +static int mac_disable(struct cmac *mac, int which) +{ + if (which & (MAC_DIRECTION_RX | MAC_DIRECTION_TX)) + disable_port(mac); + return 0; +} + +/* + * This function is called periodically to accumulate the current values of the + * RMON counters into the port statistics. Since the counters are only 32 bits + * some of them can overflow in less than a minute at GigE speeds, so this + * function should be called every 30 seconds or so. + * + * To cut down on reading costs we update only the octet counters at each tick + * and do a full update at major ticks, which can be every 30 minutes or more. + */ +static const struct cmac_statistics *mac_update_statistics(struct cmac *mac, + int flag) +{ + if (flag == MAC_STATS_UPDATE_FULL || + MAJOR_UPDATE_TICKS <= mac->instance->ticks) { + port_stats_update(mac); + mac->instance->ticks = 0; + } else { + u32 val; + + RMON_UPDATE(mac, RxOctetsTotalOK, RxOctetsOK); + RMON_UPDATE(mac, TxOctetsTotalOK, TxOctetsOK); + mac->instance->ticks++; + } + return &mac->stats; +} + +static void mac_destroy(struct cmac *mac) +{ + kfree(mac); +} + +static struct cmac_ops ixf1010_ops = { + .destroy = mac_destroy, + .reset = mac_reset, + .interrupt_enable = mac_intr_op, + .interrupt_disable = mac_intr_op, + .interrupt_clear = mac_intr_op, + .enable = mac_enable, + .disable = mac_disable, + .set_mtu = mac_set_mtu, + .set_rx_mode = mac_set_rx_mode, + .set_speed_duplex_fc = mac_set_speed_duplex_fc, + .get_speed_duplex_fc = mac_get_speed_duplex_fc, + .statistics_update = mac_update_statistics, + .macaddress_get = mac_get_address, + .macaddress_set = mac_set_address, +}; + +static int ixf1010_mac_reset(adapter_t *adapter) +{ + u32 val; + + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + if ((val & 1) != 0) { + val &= ~1; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(2); + } + val |= 1; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(2); + + t1_tpi_write(adapter, REG_PORT_ENABLE, 0); + return 0; +} + +static struct cmac *ixf1010_mac_create(adapter_t *adapter, int index) +{ + struct cmac *mac; + u32 val; + + if (index > 9) return NULL; + + mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL); + if (!mac) return NULL; + + mac->ops = &ixf1010_ops; + mac->instance = (cmac_instance *)(mac + 1); + + mac->instance->mac_base = MACREG_BASE + (index * 0x200); + mac->instance->index = index; + mac->adapter = adapter; + mac->instance->ticks = 0; + + t1_tpi_read(adapter, REG_JTAG_ID, &val); + mac->instance->version = val >> 28; + return mac; +} + +struct gmac t1_ixf1010_ops = { + STATS_TICK_SECS, + ixf1010_mac_create, + ixf1010_mac_reset +}; diff --git a/drivers/net/chelsio/mac.c b/drivers/net/chelsio/mac.c new file mode 100644 index 0000000..6af39dc7 --- /dev/null +++ b/drivers/net/chelsio/mac.c @@ -0,0 +1,368 @@ +/* $Date: 2005/10/22 00:42:59 $ $RCSfile: mac.c,v $ $Revision: 1.32 $ */ +#include "gmac.h" +#include "regs.h" +#include "fpga_defs.h" + +#define MAC_CSR_INTERFACE_GMII 0x0 +#define MAC_CSR_INTERFACE_TBI 0x1 +#define MAC_CSR_INTERFACE_MII 0x2 +#define MAC_CSR_INTERFACE_RMII 0x3 + +/* Chelsio's MAC statistics. */ +struct mac_statistics { + + /* Transmit */ + u32 TxFramesTransmittedOK; + u32 TxReserved1; + u32 TxReserved2; + u32 TxOctetsTransmittedOK; + u32 TxFramesWithDeferredXmissions; + u32 TxLateCollisions; + u32 TxFramesAbortedDueToXSCollisions; + u32 TxFramesLostDueToIntMACXmitError; + u32 TxReserved3; + u32 TxMulticastFrameXmittedOK; + u32 TxBroadcastFramesXmittedOK; + u32 TxFramesWithExcessiveDeferral; + u32 TxPAUSEMACCtrlFramesTransmitted; + + /* Receive */ + u32 RxFramesReceivedOK; + u32 RxFrameCheckSequenceErrors; + u32 RxAlignmentErrors; + u32 RxOctetsReceivedOK; + u32 RxFramesLostDueToIntMACRcvError; + u32 RxMulticastFramesReceivedOK; + u32 RxBroadcastFramesReceivedOK; + u32 RxInRangeLengthErrors; + u32 RxTxOutOfRangeLengthField; + u32 RxFrameTooLongErrors; + u32 RxPAUSEMACCtrlFramesReceived; +}; + +static int static_aPorts[] = { + FPGA_GMAC_INTERRUPT_PORT0, + FPGA_GMAC_INTERRUPT_PORT1, + FPGA_GMAC_INTERRUPT_PORT2, + FPGA_GMAC_INTERRUPT_PORT3 +}; + +struct _cmac_instance { + u32 index; +}; + +static int mac_intr_enable(struct cmac *mac) +{ + u32 mac_intr; + + if (t1_is_asic(mac->adapter)) { + /* ASIC */ + + /* We don't use the on chip MAC for ASIC products. */ + } else { + /* FPGA */ + + /* Set parent gmac interrupt. */ + mac_intr = readl(mac->adapter->regs + A_PL_ENABLE); + mac_intr |= FPGA_PCIX_INTERRUPT_GMAC; + writel(mac_intr, mac->adapter->regs + A_PL_ENABLE); + + mac_intr = readl(mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_ENABLE); + mac_intr |= static_aPorts[mac->instance->index]; + writel(mac_intr, + mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_ENABLE); + } + + return 0; +} + +static int mac_intr_disable(struct cmac *mac) +{ + u32 mac_intr; + + if (t1_is_asic(mac->adapter)) { + /* ASIC */ + + /* We don't use the on chip MAC for ASIC products. */ + } else { + /* FPGA */ + + /* Set parent gmac interrupt. */ + mac_intr = readl(mac->adapter->regs + A_PL_ENABLE); + mac_intr &= ~FPGA_PCIX_INTERRUPT_GMAC; + writel(mac_intr, mac->adapter->regs + A_PL_ENABLE); + + mac_intr = readl(mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_ENABLE); + mac_intr &= ~(static_aPorts[mac->instance->index]); + writel(mac_intr, + mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_ENABLE); + } + + return 0; +} + +static int mac_intr_clear(struct cmac *mac) +{ + u32 mac_intr; + + if (t1_is_asic(mac->adapter)) { + /* ASIC */ + + /* We don't use the on chip MAC for ASIC products. */ + } else { + /* FPGA */ + + /* Set parent gmac interrupt. */ + writel(FPGA_PCIX_INTERRUPT_GMAC, + mac->adapter->regs + A_PL_CAUSE); + mac_intr = readl(mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + mac_intr |= (static_aPorts[mac->instance->index]); + writel(mac_intr, + mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + } + + return 0; +} + +static int mac_get_address(struct cmac *mac, u8 addr[6]) +{ + u32 data32_lo, data32_hi; + + data32_lo = readl(mac->adapter->regs + + MAC_REG_IDLO(mac->instance->index)); + data32_hi = readl(mac->adapter->regs + + MAC_REG_IDHI(mac->instance->index)); + + addr[0] = (u8) ((data32_hi >> 8) & 0xFF); + addr[1] = (u8) ((data32_hi) & 0xFF); + addr[2] = (u8) ((data32_lo >> 24) & 0xFF); + addr[3] = (u8) ((data32_lo >> 16) & 0xFF); + addr[4] = (u8) ((data32_lo >> 8) & 0xFF); + addr[5] = (u8) ((data32_lo) & 0xFF); + return 0; +} + +static int mac_reset(struct cmac *mac) +{ + u32 data32; + int mac_in_reset, time_out = 100; + int idx = mac->instance->index; + + data32 = readl(mac->adapter->regs + MAC_REG_CSR(idx)); + writel(data32 | F_MAC_RESET, + mac->adapter->regs + MAC_REG_CSR(idx)); + + do { + data32 = readl(mac->adapter->regs + MAC_REG_CSR(idx)); + + mac_in_reset = data32 & F_MAC_RESET; + if (mac_in_reset) + udelay(1); + } while (mac_in_reset && --time_out); + + if (mac_in_reset) { + CH_ERR("%s: MAC %d reset timed out\n", + mac->adapter->name, idx); + return 2; + } + + return 0; +} + +static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm) +{ + u32 val; + + val = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + val &= ~(F_MAC_PROMISC | F_MAC_MC_ENABLE); + val |= V_MAC_PROMISC(t1_rx_mode_promisc(rm) != 0); + val |= V_MAC_MC_ENABLE(t1_rx_mode_allmulti(rm) != 0); + writel(val, + mac->adapter->regs + MAC_REG_CSR(mac->instance->index)); + + return 0; +} + +static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, + int fc) +{ + u32 data32; + + data32 = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + data32 &= ~(F_MAC_HALF_DUPLEX | V_MAC_SPEED(M_MAC_SPEED) | + V_INTERFACE(M_INTERFACE) | F_MAC_TX_PAUSE_ENABLE | + F_MAC_RX_PAUSE_ENABLE); + + switch (speed) { + case SPEED_10: + case SPEED_100: + data32 |= V_INTERFACE(MAC_CSR_INTERFACE_MII); + data32 |= V_MAC_SPEED(speed == SPEED_10 ? 0 : 1); + break; + case SPEED_1000: + data32 |= V_INTERFACE(MAC_CSR_INTERFACE_GMII); + data32 |= V_MAC_SPEED(2); + break; + } + + if (duplex >= 0) + data32 |= V_MAC_HALF_DUPLEX(duplex == DUPLEX_HALF); + + if (fc >= 0) { + data32 |= V_MAC_RX_PAUSE_ENABLE((fc & PAUSE_RX) != 0); + data32 |= V_MAC_TX_PAUSE_ENABLE((fc & PAUSE_TX) != 0); + } + + writel(data32, + mac->adapter->regs + MAC_REG_CSR(mac->instance->index)); + return 0; +} + +static int mac_enable(struct cmac *mac, int which) +{ + u32 val; + + val = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + if (which & MAC_DIRECTION_RX) + val |= F_MAC_RX_ENABLE; + if (which & MAC_DIRECTION_TX) + val |= F_MAC_TX_ENABLE; + writel(val, + mac->adapter->regs + MAC_REG_CSR(mac->instance->index)); + return 0; +} + +static int mac_disable(struct cmac *mac, int which) +{ + u32 val; + + val = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + if (which & MAC_DIRECTION_RX) + val &= ~F_MAC_RX_ENABLE; + if (which & MAC_DIRECTION_TX) + val &= ~F_MAC_TX_ENABLE; + writel(val, + mac->adapter->regs + MAC_REG_CSR(mac->instance->index)); + return 0; +} + +#if 0 +static int mac_set_ifs(struct cmac *mac, u32 mode) +{ + t1_write_reg_4(mac->adapter, + MAC_REG_IFS(mac->instance->index), + mode); + return 0; +} + +static int mac_enable_isl(struct cmac *mac) +{ + u32 data32 = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + data32 |= F_MAC_RX_ENABLE | F_MAC_TX_ENABLE; + t1_write_reg_4(mac->adapter, + MAC_REG_CSR(mac->instance->index), + data32); + return 0; +} +#endif + +static int mac_set_mtu(struct cmac *mac, int mtu) +{ + if (mtu > 9600) + return -EINVAL; + writel(mtu + ETH_HLEN + VLAN_HLEN, + mac->adapter->regs + MAC_REG_LARGEFRAMELENGTH(mac->instance->index)); + + return 0; +} + +static const struct cmac_statistics *mac_update_statistics(struct cmac *mac, + int flag) +{ + struct mac_statistics st; + u32 *p = (u32 *) & st, i; + + writel(0, + mac->adapter->regs + MAC_REG_RMCNT(mac->instance->index)); + + for (i = 0; i < sizeof(st) / sizeof(u32); i++) + *p++ = readl(mac->adapter->regs + + MAC_REG_RMDATA(mac->instance->index)); + + /* XXX convert stats */ + return &mac->stats; +} + +static void mac_destroy(struct cmac *mac) +{ + kfree(mac); +} + +static struct cmac_ops chelsio_mac_ops = { + .destroy = mac_destroy, + .reset = mac_reset, + .interrupt_enable = mac_intr_enable, + .interrupt_disable = mac_intr_disable, + .interrupt_clear = mac_intr_clear, + .enable = mac_enable, + .disable = mac_disable, + .set_mtu = mac_set_mtu, + .set_rx_mode = mac_set_rx_mode, + .set_speed_duplex_fc = mac_set_speed_duplex_fc, + .macaddress_get = mac_get_address, + .statistics_update = mac_update_statistics, +}; + +static struct cmac *mac_create(adapter_t *adapter, int index) +{ + struct cmac *mac; + u32 data32; + + if (index >= 4) + return NULL; + + mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL); + if (!mac) + return NULL; + + mac->ops = &chelsio_mac_ops; + mac->instance = (cmac_instance *) (mac + 1); + + mac->instance->index = index; + mac->adapter = adapter; + + data32 = readl(adapter->regs + MAC_REG_CSR(mac->instance->index)); + data32 &= ~(F_MAC_RESET | F_MAC_PROMISC | F_MAC_PROMISC | + F_MAC_LB_ENABLE | F_MAC_RX_ENABLE | F_MAC_TX_ENABLE); + data32 |= F_MAC_JUMBO_ENABLE; + writel(data32, adapter->regs + MAC_REG_CSR(mac->instance->index)); + + /* Initialize the random backoff seed. */ + data32 = 0x55aa + (3 * index); + writel(data32, + adapter->regs + MAC_REG_GMRANDBACKOFFSEED(mac->instance->index)); + + /* Check to see if the mac address needs to be set manually. */ + data32 = readl(adapter->regs + MAC_REG_IDLO(mac->instance->index)); + if (data32 == 0 || data32 == 0xffffffff) { + /* + * Add a default MAC address if we can't read one. + */ + writel(0x43FFFFFF - index, + adapter->regs + MAC_REG_IDLO(mac->instance->index)); + writel(0x0007, + adapter->regs + MAC_REG_IDHI(mac->instance->index)); + } + + (void) mac_set_mtu(mac, 1500); + return mac; +} + +struct gmac t1_chelsio_mac_ops = { + .create = mac_create +}; diff --git a/drivers/net/chelsio/mv88e1xxx.c b/drivers/net/chelsio/mv88e1xxx.c new file mode 100644 index 0000000..28ac93f --- /dev/null +++ b/drivers/net/chelsio/mv88e1xxx.c @@ -0,0 +1,397 @@ +/* $Date: 2005/10/24 23:18:13 $ $RCSfile: mv88e1xxx.c,v $ $Revision: 1.49 $ */ +#include "common.h" +#include "mv88e1xxx.h" +#include "cphy.h" +#include "elmer0.h" + +/* MV88E1XXX MDI crossover register values */ +#define CROSSOVER_MDI 0 +#define CROSSOVER_MDIX 1 +#define CROSSOVER_AUTO 3 + +#define INTR_ENABLE_MASK 0x6CA0 + +/* + * Set the bits given by 'bitval' in PHY register 'reg'. + */ +static void mdio_set_bit(struct cphy *cphy, int reg, u32 bitval) +{ + u32 val; + + (void) simple_mdio_read(cphy, reg, &val); + (void) simple_mdio_write(cphy, reg, val | bitval); +} + +/* + * Clear the bits given by 'bitval' in PHY register 'reg'. + */ +static void mdio_clear_bit(struct cphy *cphy, int reg, u32 bitval) +{ + u32 val; + + (void) simple_mdio_read(cphy, reg, &val); + (void) simple_mdio_write(cphy, reg, val & ~bitval); +} + +/* + * NAME: phy_reset + * + * DESC: Reset the given PHY's port. NOTE: This is not a global + * chip reset. + * + * PARAMS: cphy - Pointer to PHY instance data. + * + * RETURN: 0 - Successfull reset. + * -1 - Timeout. + */ +static int mv88e1xxx_reset(struct cphy *cphy, int wait) +{ + u32 ctl; + int time_out = 1000; + + mdio_set_bit(cphy, MII_BMCR, BMCR_RESET); + + do { + (void) simple_mdio_read(cphy, MII_BMCR, &ctl); + ctl &= BMCR_RESET; + if (ctl) + udelay(1); + } while (ctl && --time_out); + + return ctl ? -1 : 0; +} + +static int mv88e1xxx_interrupt_enable(struct cphy *cphy) +{ + /* Enable PHY interrupts. */ + (void) simple_mdio_write(cphy, MV88E1XXX_INTERRUPT_ENABLE_REGISTER, + INTR_ENABLE_MASK); + + /* Enable Marvell interrupts through Elmer0. */ + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer |= ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4; + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } + return 0; +} + +static int mv88e1xxx_interrupt_disable(struct cphy *cphy) +{ + /* Disable all phy interrupts. */ + (void) simple_mdio_write(cphy, MV88E1XXX_INTERRUPT_ENABLE_REGISTER, 0); + + /* Disable Marvell interrupts through Elmer0. */ + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer &= ~ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer &= ~(ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4); + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } + return 0; +} + +static int mv88e1xxx_interrupt_clear(struct cphy *cphy) +{ + u32 elmer; + + /* Clear PHY interrupts by reading the register. */ + (void) simple_mdio_read(cphy, + MV88E1XXX_INTERRUPT_STATUS_REGISTER, &elmer); + + /* Clear Marvell interrupts through Elmer0. */ + if (t1_is_asic(cphy->adapter)) { + t1_tpi_read(cphy->adapter, A_ELMER0_INT_CAUSE, &elmer); + elmer |= ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4; + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_CAUSE, elmer); + } + return 0; +} + +/* + * Set the PHY speed and duplex. This also disables auto-negotiation, except + * for 1Gb/s, where auto-negotiation is mandatory. + */ +static int mv88e1xxx_set_speed_duplex(struct cphy *phy, int speed, int duplex) +{ + u32 ctl; + + (void) simple_mdio_read(phy, MII_BMCR, &ctl); + if (speed >= 0) { + ctl &= ~(BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE); + if (speed == SPEED_100) + ctl |= BMCR_SPEED100; + else if (speed == SPEED_1000) + ctl |= BMCR_SPEED1000; + } + if (duplex >= 0) { + ctl &= ~(BMCR_FULLDPLX | BMCR_ANENABLE); + if (duplex == DUPLEX_FULL) + ctl |= BMCR_FULLDPLX; + } + if (ctl & BMCR_SPEED1000) /* auto-negotiation required for 1Gb/s */ + ctl |= BMCR_ANENABLE; + (void) simple_mdio_write(phy, MII_BMCR, ctl); + return 0; +} + +static int mv88e1xxx_crossover_set(struct cphy *cphy, int crossover) +{ + u32 data32; + + (void) simple_mdio_read(cphy, + MV88E1XXX_SPECIFIC_CNTRL_REGISTER, &data32); + data32 &= ~V_PSCR_MDI_XOVER_MODE(M_PSCR_MDI_XOVER_MODE); + data32 |= V_PSCR_MDI_XOVER_MODE(crossover); + (void) simple_mdio_write(cphy, + MV88E1XXX_SPECIFIC_CNTRL_REGISTER, data32); + return 0; +} + +static int mv88e1xxx_autoneg_enable(struct cphy *cphy) +{ + u32 ctl; + + (void) mv88e1xxx_crossover_set(cphy, CROSSOVER_AUTO); + + (void) simple_mdio_read(cphy, MII_BMCR, &ctl); + /* restart autoneg for change to take effect */ + ctl |= BMCR_ANENABLE | BMCR_ANRESTART; + (void) simple_mdio_write(cphy, MII_BMCR, ctl); + return 0; +} + +static int mv88e1xxx_autoneg_disable(struct cphy *cphy) +{ + u32 ctl; + + /* + * Crossover *must* be set to manual in order to disable auto-neg. + * The Alaska FAQs document highlights this point. + */ + (void) mv88e1xxx_crossover_set(cphy, CROSSOVER_MDI); + + /* + * Must include autoneg reset when disabling auto-neg. This + * is described in the Alaska FAQ document. + */ + (void) simple_mdio_read(cphy, MII_BMCR, &ctl); + ctl &= ~BMCR_ANENABLE; + (void) simple_mdio_write(cphy, MII_BMCR, ctl | BMCR_ANRESTART); + return 0; +} + +static int mv88e1xxx_autoneg_restart(struct cphy *cphy) +{ + mdio_set_bit(cphy, MII_BMCR, BMCR_ANRESTART); + return 0; +} + +static int mv88e1xxx_advertise(struct cphy *phy, unsigned int advertise_map) +{ + u32 val = 0; + + if (advertise_map & + (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) { + (void) simple_mdio_read(phy, MII_GBCR, &val); + val &= ~(GBCR_ADV_1000HALF | GBCR_ADV_1000FULL); + if (advertise_map & ADVERTISED_1000baseT_Half) + val |= GBCR_ADV_1000HALF; + if (advertise_map & ADVERTISED_1000baseT_Full) + val |= GBCR_ADV_1000FULL; + } + (void) simple_mdio_write(phy, MII_GBCR, val); + + val = 1; + if (advertise_map & ADVERTISED_10baseT_Half) + val |= ADVERTISE_10HALF; + if (advertise_map & ADVERTISED_10baseT_Full) + val |= ADVERTISE_10FULL; + if (advertise_map & ADVERTISED_100baseT_Half) + val |= ADVERTISE_100HALF; + if (advertise_map & ADVERTISED_100baseT_Full) + val |= ADVERTISE_100FULL; + if (advertise_map & ADVERTISED_PAUSE) + val |= ADVERTISE_PAUSE; + if (advertise_map & ADVERTISED_ASYM_PAUSE) + val |= ADVERTISE_PAUSE_ASYM; + (void) simple_mdio_write(phy, MII_ADVERTISE, val); + return 0; +} + +static int mv88e1xxx_set_loopback(struct cphy *cphy, int on) +{ + if (on) + mdio_set_bit(cphy, MII_BMCR, BMCR_LOOPBACK); + else + mdio_clear_bit(cphy, MII_BMCR, BMCR_LOOPBACK); + return 0; +} + +static int mv88e1xxx_get_link_status(struct cphy *cphy, int *link_ok, + int *speed, int *duplex, int *fc) +{ + u32 status; + int sp = -1, dplx = -1, pause = 0; + + (void) simple_mdio_read(cphy, + MV88E1XXX_SPECIFIC_STATUS_REGISTER, &status); + if ((status & V_PSSR_STATUS_RESOLVED) != 0) { + if (status & V_PSSR_RX_PAUSE) + pause |= PAUSE_RX; + if (status & V_PSSR_TX_PAUSE) + pause |= PAUSE_TX; + dplx = (status & V_PSSR_DUPLEX) ? DUPLEX_FULL : DUPLEX_HALF; + sp = G_PSSR_SPEED(status); + if (sp == 0) + sp = SPEED_10; + else if (sp == 1) + sp = SPEED_100; + else + sp = SPEED_1000; + } + if (link_ok) + *link_ok = (status & V_PSSR_LINK) != 0; + if (speed) + *speed = sp; + if (duplex) + *duplex = dplx; + if (fc) + *fc = pause; + return 0; +} + +static int mv88e1xxx_downshift_set(struct cphy *cphy, int downshift_enable) +{ + u32 val; + + (void) simple_mdio_read(cphy, + MV88E1XXX_EXT_PHY_SPECIFIC_CNTRL_REGISTER, &val); + + /* + * Set the downshift counter to 2 so we try to establish Gb link + * twice before downshifting. + */ + val &= ~(V_DOWNSHIFT_ENABLE | V_DOWNSHIFT_CNT(M_DOWNSHIFT_CNT)); + + if (downshift_enable) + val |= V_DOWNSHIFT_ENABLE | V_DOWNSHIFT_CNT(2); + (void) simple_mdio_write(cphy, + MV88E1XXX_EXT_PHY_SPECIFIC_CNTRL_REGISTER, val); + return 0; +} + +static int mv88e1xxx_interrupt_handler(struct cphy *cphy) +{ + int cphy_cause = 0; + u32 status; + + /* + * Loop until cause reads zero. Need to handle bouncing interrupts. + */ + while (1) { + u32 cause; + + (void) simple_mdio_read(cphy, + MV88E1XXX_INTERRUPT_STATUS_REGISTER, + &cause); + cause &= INTR_ENABLE_MASK; + if (!cause) break; + + if (cause & MV88E1XXX_INTR_LINK_CHNG) { + (void) simple_mdio_read(cphy, + MV88E1XXX_SPECIFIC_STATUS_REGISTER, &status); + + if (status & MV88E1XXX_INTR_LINK_CHNG) { + cphy->state |= PHY_LINK_UP; + } else { + cphy->state &= ~PHY_LINK_UP; + if (cphy->state & PHY_AUTONEG_EN) + cphy->state &= ~PHY_AUTONEG_RDY; + cphy_cause |= cphy_cause_link_change; + } + } + + if (cause & MV88E1XXX_INTR_AUTONEG_DONE) + cphy->state |= PHY_AUTONEG_RDY; + + if ((cphy->state & (PHY_LINK_UP | PHY_AUTONEG_RDY)) == + (PHY_LINK_UP | PHY_AUTONEG_RDY)) + cphy_cause |= cphy_cause_link_change; + } + return cphy_cause; +} + +static void mv88e1xxx_destroy(struct cphy *cphy) +{ + kfree(cphy); +} + +static struct cphy_ops mv88e1xxx_ops = { + .destroy = mv88e1xxx_destroy, + .reset = mv88e1xxx_reset, + .interrupt_enable = mv88e1xxx_interrupt_enable, + .interrupt_disable = mv88e1xxx_interrupt_disable, + .interrupt_clear = mv88e1xxx_interrupt_clear, + .interrupt_handler = mv88e1xxx_interrupt_handler, + .autoneg_enable = mv88e1xxx_autoneg_enable, + .autoneg_disable = mv88e1xxx_autoneg_disable, + .autoneg_restart = mv88e1xxx_autoneg_restart, + .advertise = mv88e1xxx_advertise, + .set_loopback = mv88e1xxx_set_loopback, + .set_speed_duplex = mv88e1xxx_set_speed_duplex, + .get_link_status = mv88e1xxx_get_link_status, +}; + +static struct cphy *mv88e1xxx_phy_create(adapter_t *adapter, int phy_addr, + struct mdio_ops *mdio_ops) +{ + struct cphy *cphy = kzalloc(sizeof(*cphy), GFP_KERNEL); + + if (!cphy) return NULL; + + cphy_init(cphy, adapter, phy_addr, &mv88e1xxx_ops, mdio_ops); + + /* Configure particular PHY's to run in a different mode. */ + if ((board_info(adapter)->caps & SUPPORTED_TP) && + board_info(adapter)->chip_phy == CHBT_PHY_88E1111) { + /* + * Configure the PHY transmitter as class A to reduce EMI. + */ + (void) simple_mdio_write(cphy, + MV88E1XXX_EXTENDED_ADDR_REGISTER, 0xB); + (void) simple_mdio_write(cphy, + MV88E1XXX_EXTENDED_REGISTER, 0x8004); + } + (void) mv88e1xxx_downshift_set(cphy, 1); /* Enable downshift */ + + /* LED */ + if (is_T2(adapter)) { + (void) simple_mdio_write(cphy, + MV88E1XXX_LED_CONTROL_REGISTER, 0x1); + } + + return cphy; +} + +static int mv88e1xxx_phy_reset(adapter_t* adapter) +{ + return 0; +} + +struct gphy t1_mv88e1xxx_ops = { + mv88e1xxx_phy_create, + mv88e1xxx_phy_reset +}; diff --git a/drivers/net/chelsio/subr.c b/drivers/net/chelsio/subr.c index d41d15a..22ed9a3 100644 --- a/drivers/net/chelsio/subr.c +++ b/drivers/net/chelsio/subr.c @@ -185,6 +185,66 @@ static int t1_pci_intr_handler(adapter_t *adapter) return 0; } +#ifdef CONFIG_CHELSIO_T1_COUGAR +#include "cspi.h" +#endif +#ifdef CONFIG_CHELSIO_T1_1G +#include "fpga_defs.h" + +/* + * PHY interrupt handler for FPGA boards. + */ +static int fpga_phy_intr_handler(adapter_t *adapter) +{ + int p; + u32 cause = readl(adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + + for_each_port(adapter, p) + if (cause & (1 << p)) { + struct cphy *phy = adapter->port[p].phy; + int phy_cause = phy->ops->interrupt_handler(phy); + + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, p); + } + writel(cause, adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + return 0; +} + +/* + * Slow path interrupt handler for FPGAs. + */ +static int fpga_slow_intr(adapter_t *adapter) +{ + u32 cause = readl(adapter->regs + A_PL_CAUSE); + + cause &= ~F_PL_INTR_SGE_DATA; + if (cause & F_PL_INTR_SGE_ERR) + t1_sge_intr_error_handler(adapter->sge); + + if (cause & FPGA_PCIX_INTERRUPT_GMAC) + fpga_phy_intr_handler(adapter); + + if (cause & FPGA_PCIX_INTERRUPT_TP) { + /* + * FPGA doesn't support MC4 interrupts and it requires + * this odd layer of indirection for MC5. + */ + u32 tp_cause = readl(adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE); + + /* Clear TP interrupt */ + writel(tp_cause, adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE); + } + if (cause & FPGA_PCIX_INTERRUPT_PCIX) + t1_pci_intr_handler(adapter); + + /* Clear the interrupts just processed. */ + if (cause) + writel(cause, adapter->regs + A_PL_CAUSE); + + return cause != 0; +} +#endif /* * Wait until Elmer's MI1 interface is ready for new operations. @@ -221,6 +281,56 @@ static void mi1_mdio_init(adapter_t *adapter, const struct board_info *bi) t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_CFG, val); } +#if defined(CONFIG_CHELSIO_T1_1G) || defined(CONFIG_CHELSIO_T1_COUGAR) +/* + * Elmer MI1 MDIO read/write operations. + */ +static int mi1_mdio_read(adapter_t *adapter, int phy_addr, int mmd_addr, + int reg_addr, unsigned int *valp) +{ + u32 addr = V_MI1_REG_ADDR(reg_addr) | V_MI1_PHY_ADDR(phy_addr); + + if (mmd_addr) + return -EINVAL; + + spin_lock(&adapter->tpi_lock); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); + __t1_tpi_write(adapter, + A_ELMER0_PORT0_MI1_OP, MI1_OP_DIRECT_READ); + mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); + __t1_tpi_read(adapter, A_ELMER0_PORT0_MI1_DATA, valp); + spin_unlock(&adapter->tpi_lock); + return 0; +} + +static int mi1_mdio_write(adapter_t *adapter, int phy_addr, int mmd_addr, + int reg_addr, unsigned int val) +{ + u32 addr = V_MI1_REG_ADDR(reg_addr) | V_MI1_PHY_ADDR(phy_addr); + + if (mmd_addr) + return -EINVAL; + + spin_lock(&adapter->tpi_lock); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, val); + __t1_tpi_write(adapter, + A_ELMER0_PORT0_MI1_OP, MI1_OP_DIRECT_WRITE); + mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); + spin_unlock(&adapter->tpi_lock); + return 0; +} + +#if defined(CONFIG_CHELSIO_T1_1G) || defined(CONFIG_CHELSIO_T1_COUGAR) +static struct mdio_ops mi1_mdio_ops = { + mi1_mdio_init, + mi1_mdio_read, + mi1_mdio_write +}; +#endif + +#endif + static int mi1_mdio_ext_read(adapter_t *adapter, int phy_addr, int mmd_addr, int reg_addr, unsigned int *valp) { @@ -330,6 +440,17 @@ static struct board_info t1_board[] = { &t1_my3126_ops, &mi1_mdio_ext_ops, "Chelsio T210 1x10GBase-CX4 TOE" }, +#ifdef CONFIG_CHELSIO_T1_1G +{ CHBT_BOARD_CHN204, 4/*ports#*/, + SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | + SUPPORTED_PAUSE | SUPPORTED_TP /*caps*/, CHBT_TERM_T2, CHBT_MAC_VSC7321, CHBT_PHY_88E1111, + 100000000/*clk-core*/, 0/*clk-mc3*/, 0/*clk-mc4*/, + 4/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 0/*mdien*/, + 0/*mdiinv*/, 1/*mdc*/, 4/*phybaseaddr*/, &t1_vsc7326_ops, + &t1_mv88e1xxx_ops, &mi1_mdio_ops, + "Chelsio N204 4x100/1000BaseT NIC" }, +#endif }; @@ -483,6 +604,48 @@ int t1_elmer0_ext_intr_handler(adapter_t *adapter) t1_tpi_read(adapter, A_ELMER0_INT_CAUSE, &cause); switch (board_info(adapter)->board) { +#ifdef CONFIG_CHELSIO_T1_1G + case CHBT_BOARD_CHT204: + case CHBT_BOARD_CHT204E: + case CHBT_BOARD_CHN204: + case CHBT_BOARD_CHT204V: { + int i, port_bit; + for_each_port(adapter, i) { + port_bit = i + 1; + if (!(cause & (1 << port_bit))) continue; + + phy = adapter->port[i].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, i); + } + break; + } + case CHBT_BOARD_CHT101: + if (cause & ELMER0_GP_BIT1) { /* Marvell 88E1111 interrupt */ + phy = adapter->port[0].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, 0); + } + break; + case CHBT_BOARD_7500: { + int p; + /* + * Elmer0's interrupt cause isn't useful here because there is + * only one bit that can be set for all 4 ports. This means + * we are forced to check every PHY's interrupt status + * register to see who initiated the interrupt. + */ + for_each_port(adapter, p) { + phy = adapter->port[p].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, p); + } + break; + } +#endif case CHBT_BOARD_CHT210: case CHBT_BOARD_N210: case CHBT_BOARD_N110: @@ -511,6 +674,30 @@ int t1_elmer0_ext_intr_handler(adapter_t *adapter) mod_detect ? "removed" : "inserted"); } break; +#ifdef CONFIG_CHELSIO_T1_COUGAR + case CHBT_BOARD_COUGAR: + if (adapter->params.nports == 1) { + if (cause & ELMER0_GP_BIT1) { /* Vitesse MAC */ + struct cmac *mac = adapter->port[0].mac; + mac->ops->interrupt_handler(mac); + } + if (cause & ELMER0_GP_BIT5) { /* XPAK MOD_DETECT */ + } + } else { + int i, port_bit; + + for_each_port(adapter, i) { + port_bit = i ? i + 1 : 0; + if (!(cause & (1 << port_bit))) continue; + + phy = adapter->port[i].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, i); + } + } + break; +#endif } t1_tpi_write(adapter, A_ELMER0_INT_CAUSE, cause); return 0; @@ -633,6 +820,10 @@ static int asic_slow_intr(adapter_t *adapter) int t1_slow_intr_handler(adapter_t *adapter) { +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(adapter)) + return fpga_slow_intr(adapter); +#endif return asic_slow_intr(adapter); } @@ -698,6 +889,21 @@ static int board_init(adapter_t *adapter, const struct board_info *bi) */ power_sequence_xpak(adapter); break; +#ifdef CONFIG_CHELSIO_T1_1G + case CHBT_BOARD_CHT204E: + /* add config space write here */ + case CHBT_BOARD_CHT204: + case CHBT_BOARD_CHT204V: + case CHBT_BOARD_CHN204: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x804); + break; + case CHBT_BOARD_CHT101: + case CHBT_BOARD_7500: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x1804); + break; +#endif } return 0; } @@ -719,6 +925,10 @@ int t1_init_hw_modules(adapter_t *adapter) adapter->regs + A_MC5_CONFIG); } +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (adapter->cspi && t1_cspi_init(adapter->cspi)) + goto out_err; +#endif if (adapter->espi && t1_espi_init(adapter->espi, bi->chip_mac, bi->espi_nports)) goto out_err; @@ -772,6 +982,10 @@ void t1_free_sw_modules(adapter_t *adapter) t1_tp_destroy(adapter->tp); if (adapter->espi) t1_espi_destroy(adapter->espi); +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (adapter->cspi) + t1_cspi_destroy(adapter->cspi); +#endif } static void __devinit init_link_config(struct link_config *lc, @@ -791,6 +1005,13 @@ static void __devinit init_link_config(struct link_config *lc, } } +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (bi->clock_cspi && !(adapter->cspi = t1_cspi_create(adapter))) { + CH_ERR("%s: CSPI initialization failed\n", + adapter->name); + goto error; + } +#endif /* * Allocate and initialize the data structures that hold the SW state of diff --git a/drivers/net/chelsio/tp.c b/drivers/net/chelsio/tp.c index 04a7073..0ca0b6e 100644 --- a/drivers/net/chelsio/tp.c +++ b/drivers/net/chelsio/tp.c @@ -2,6 +2,9 @@ #include "common.h" #include "regs.h" #include "tp.h" +#ifdef CONFIG_CHELSIO_T1_1G +#include "fpga_defs.h" +#endif struct petp { adapter_t *adapter; @@ -70,6 +73,15 @@ void t1_tp_intr_enable(struct petp *tp) { u32 tp_intr = readl(tp->adapter->regs + A_PL_ENABLE); +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(tp->adapter)) { + /* FPGA */ + writel(0xffffffff, + tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_ENABLE); + writel(tp_intr | FPGA_PCIX_INTERRUPT_TP, + tp->adapter->regs + A_PL_ENABLE); + } else +#endif { /* We don't use any TP interrupts */ writel(0, tp->adapter->regs + A_TP_INT_ENABLE); @@ -82,6 +94,14 @@ void t1_tp_intr_disable(struct petp *tp) { u32 tp_intr = readl(tp->adapter->regs + A_PL_ENABLE); +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(tp->adapter)) { + /* FPGA */ + writel(0, tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_ENABLE); + writel(tp_intr & ~FPGA_PCIX_INTERRUPT_TP, + tp->adapter->regs + A_PL_ENABLE); + } else +#endif { writel(0, tp->adapter->regs + A_TP_INT_ENABLE); writel(tp_intr & ~F_PL_INTR_TP, @@ -91,6 +111,14 @@ void t1_tp_intr_disable(struct petp *tp) void t1_tp_intr_clear(struct petp *tp) { +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(tp->adapter)) { + writel(0xffffffff, + tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE); + writel(FPGA_PCIX_INTERRUPT_TP, tp->adapter->regs + A_PL_CAUSE); + return; + } +#endif writel(0xffffffff, tp->adapter->regs + A_TP_INT_CAUSE); writel(F_PL_INTR_TP, tp->adapter->regs + A_PL_CAUSE); } @@ -99,6 +127,11 @@ int t1_tp_intr_handler(struct petp *tp) { u32 cause; +#ifdef CONFIG_CHELSIO_T1_1G + /* FPGA doesn't support TP interrupts. */ + if (!t1_is_asic(tp->adapter)) + return 1; +#endif cause = readl(tp->adapter->regs + A_TP_INT_CAUSE); writel(cause, tp->adapter->regs + A_TP_INT_CAUSE); diff --git a/drivers/net/chelsio/vsc7326.c b/drivers/net/chelsio/vsc7326.c new file mode 100644 index 0000000..85dc3b1 --- /dev/null +++ b/drivers/net/chelsio/vsc7326.c @@ -0,0 +1,725 @@ +/* $Date: 2006/04/28 19:20:06 $ $RCSfile: vsc7326.c,v $ $Revision: 1.19 $ */ + +/* Driver for Vitesse VSC7326 (Schaumburg) MAC */ + +#include "gmac.h" +#include "elmer0.h" +#include "vsc7326_reg.h" + +/* Update fast changing statistics every 15 seconds */ +#define STATS_TICK_SECS 15 +/* 30 minutes for full statistics update */ +#define MAJOR_UPDATE_TICKS (1800 / STATS_TICK_SECS) + +#define MAX_MTU 9600 + +/* The egress WM value 0x01a01fff should be used only when the + * interface is down (MAC port disabled). This is a workaround + * for disabling the T2/MAC flow-control. When the interface is + * enabled, the WM value should be set to 0x014a03F0. + */ +#define WM_DISABLE 0x01a01fff +#define WM_ENABLE 0x014a03F0 + +struct init_table { + u32 addr; + u32 data; +}; + +struct _cmac_instance { + u32 index; + u32 ticks; +}; + +#define INITBLOCK_SLEEP 0xffffffff + +static void vsc_read(adapter_t *adapter, u32 addr, u32 *val) +{ + u32 status, vlo, vhi; + int i; + + spin_lock_bh(&adapter->mac_lock); + t1_tpi_read(adapter, (addr << 2) + 4, &vlo); + i = 0; + do { + t1_tpi_read(adapter, (REG_LOCAL_STATUS << 2) + 4, &vlo); + t1_tpi_read(adapter, REG_LOCAL_STATUS << 2, &vhi); + status = (vhi << 16) | vlo; + i++; + } while (((status & 1) == 0) && (i < 50)); + if (i == 50) + CH_ERR("Invalid tpi read from MAC, breaking loop.\n"); + + t1_tpi_read(adapter, (REG_LOCAL_DATA << 2) + 4, &vlo); + t1_tpi_read(adapter, REG_LOCAL_DATA << 2, &vhi); + + *val = (vhi << 16) | vlo; + + /* CH_ERR("rd: block: 0x%x sublock: 0x%x reg: 0x%x data: 0x%x\n", + ((addr&0xe000)>>13), ((addr&0x1e00)>>9), + ((addr&0x01fe)>>1), *val); */ + spin_unlock_bh(&adapter->mac_lock); +} + +static void vsc_write(adapter_t *adapter, u32 addr, u32 data) +{ + spin_lock_bh(&adapter->mac_lock); + t1_tpi_write(adapter, (addr << 2) + 4, data & 0xFFFF); + t1_tpi_write(adapter, addr << 2, (data >> 16) & 0xFFFF); + /* CH_ERR("wr: block: 0x%x sublock: 0x%x reg: 0x%x data: 0x%x\n", + ((addr&0xe000)>>13), ((addr&0x1e00)>>9), + ((addr&0x01fe)>>1), data); */ + spin_unlock_bh(&adapter->mac_lock); +} + +/* Hard reset the MAC. This wipes out *all* configuration. */ +static void vsc7326_full_reset(adapter_t* adapter) +{ + u32 val; + u32 result = 0xffff; + + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~1; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(2); + val |= 0x1; /* Enable mac MAC itself */ + val |= 0x800; /* Turn off the red LED */ + t1_tpi_write(adapter, A_ELMER0_GPO, val); + mdelay(1); + vsc_write(adapter, REG_SW_RESET, 0x80000001); + do { + mdelay(1); + vsc_read(adapter, REG_SW_RESET, &result); + } while (result != 0x0); +} + +static struct init_table vsc7326_reset[] = { + { REG_IFACE_MODE, 0x00000000 }, + { REG_CRC_CFG, 0x00000020 }, + { REG_PLL_CLK_SPEED, 0x00050c00 }, + { REG_PLL_CLK_SPEED, 0x00050c00 }, + { REG_MSCH, 0x00002f14 }, + { REG_SPI4_MISC, 0x00040409 }, + { REG_SPI4_DESKEW, 0x00080000 }, + { REG_SPI4_ING_SETUP2, 0x08080004 }, + { REG_SPI4_ING_SETUP0, 0x04111004 }, + { REG_SPI4_EGR_SETUP0, 0x80001a04 }, + { REG_SPI4_ING_SETUP1, 0x02010000 }, + { REG_AGE_INC(0), 0x00000000 }, + { REG_AGE_INC(1), 0x00000000 }, + { REG_ING_CONTROL, 0x0a200011 }, + { REG_EGR_CONTROL, 0xa0010091 }, +}; + +static struct init_table vsc7326_portinit[4][22] = { + { /* Port 0 */ + /* FIFO setup */ + { REG_DBG(0), 0x000004f0 }, + { REG_HDX(0), 0x00073101 }, + { REG_TEST(0,0), 0x00000022 }, + { REG_TEST(1,0), 0x00000022 }, + { REG_TOP_BOTTOM(0,0), 0x003f0000 }, + { REG_TOP_BOTTOM(1,0), 0x00120000 }, + { REG_HIGH_LOW_WM(0,0), 0x07460757 }, + { REG_HIGH_LOW_WM(1,0), WM_DISABLE }, + { REG_CT_THRHLD(0,0), 0x00000000 }, + { REG_CT_THRHLD(1,0), 0x00000000 }, + { REG_BUCKE(0), 0x0002ffff }, + { REG_BUCKI(0), 0x0002ffff }, + { REG_TEST(0,0), 0x00000020 }, + { REG_TEST(1,0), 0x00000020 }, + /* Port config */ + { REG_MAX_LEN(0), 0x00002710 }, + { REG_PORT_FAIL(0), 0x00000002 }, + { REG_NORMALIZER(0), 0x00000a64 }, + { REG_DENORM(0), 0x00000010 }, + { REG_STICK_BIT(0), 0x03baa370 }, + { REG_DEV_SETUP(0), 0x00000083 }, + { REG_DEV_SETUP(0), 0x00000082 }, + { REG_MODE_CFG(0), 0x0200259f }, + }, + { /* Port 1 */ + /* FIFO setup */ + { REG_DBG(1), 0x000004f0 }, + { REG_HDX(1), 0x00073101 }, + { REG_TEST(0,1), 0x00000022 }, + { REG_TEST(1,1), 0x00000022 }, + { REG_TOP_BOTTOM(0,1), 0x007e003f }, + { REG_TOP_BOTTOM(1,1), 0x00240012 }, + { REG_HIGH_LOW_WM(0,1), 0x07460757 }, + { REG_HIGH_LOW_WM(1,1), WM_DISABLE }, + { REG_CT_THRHLD(0,1), 0x00000000 }, + { REG_CT_THRHLD(1,1), 0x00000000 }, + { REG_BUCKE(1), 0x0002ffff }, + { REG_BUCKI(1), 0x0002ffff }, + { REG_TEST(0,1), 0x00000020 }, + { REG_TEST(1,1), 0x00000020 }, + /* Port config */ + { REG_MAX_LEN(1), 0x00002710 }, + { REG_PORT_FAIL(1), 0x00000002 }, + { REG_NORMALIZER(1), 0x00000a64 }, + { REG_DENORM(1), 0x00000010 }, + { REG_STICK_BIT(1), 0x03baa370 }, + { REG_DEV_SETUP(1), 0x00000083 }, + { REG_DEV_SETUP(1), 0x00000082 }, + { REG_MODE_CFG(1), 0x0200259f }, + }, + { /* Port 2 */ + /* FIFO setup */ + { REG_DBG(2), 0x000004f0 }, + { REG_HDX(2), 0x00073101 }, + { REG_TEST(0,2), 0x00000022 }, + { REG_TEST(1,2), 0x00000022 }, + { REG_TOP_BOTTOM(0,2), 0x00bd007e }, + { REG_TOP_BOTTOM(1,2), 0x00360024 }, + { REG_HIGH_LOW_WM(0,2), 0x07460757 }, + { REG_HIGH_LOW_WM(1,2), WM_DISABLE }, + { REG_CT_THRHLD(0,2), 0x00000000 }, + { REG_CT_THRHLD(1,2), 0x00000000 }, + { REG_BUCKE(2), 0x0002ffff }, + { REG_BUCKI(2), 0x0002ffff }, + { REG_TEST(0,2), 0x00000020 }, + { REG_TEST(1,2), 0x00000020 }, + /* Port config */ + { REG_MAX_LEN(2), 0x00002710 }, + { REG_PORT_FAIL(2), 0x00000002 }, + { REG_NORMALIZER(2), 0x00000a64 }, + { REG_DENORM(2), 0x00000010 }, + { REG_STICK_BIT(2), 0x03baa370 }, + { REG_DEV_SETUP(2), 0x00000083 }, + { REG_DEV_SETUP(2), 0x00000082 }, + { REG_MODE_CFG(2), 0x0200259f }, + }, + { /* Port 3 */ + /* FIFO setup */ + { REG_DBG(3), 0x000004f0 }, + { REG_HDX(3), 0x00073101 }, + { REG_TEST(0,3), 0x00000022 }, + { REG_TEST(1,3), 0x00000022 }, + { REG_TOP_BOTTOM(0,3), 0x00fc00bd }, + { REG_TOP_BOTTOM(1,3), 0x00480036 }, + { REG_HIGH_LOW_WM(0,3), 0x07460757 }, + { REG_HIGH_LOW_WM(1,3), WM_DISABLE }, + { REG_CT_THRHLD(0,3), 0x00000000 }, + { REG_CT_THRHLD(1,3), 0x00000000 }, + { REG_BUCKE(3), 0x0002ffff }, + { REG_BUCKI(3), 0x0002ffff }, + { REG_TEST(0,3), 0x00000020 }, + { REG_TEST(1,3), 0x00000020 }, + /* Port config */ + { REG_MAX_LEN(3), 0x00002710 }, + { REG_PORT_FAIL(3), 0x00000002 }, + { REG_NORMALIZER(3), 0x00000a64 }, + { REG_DENORM(3), 0x00000010 }, + { REG_STICK_BIT(3), 0x03baa370 }, + { REG_DEV_SETUP(3), 0x00000083 }, + { REG_DEV_SETUP(3), 0x00000082 }, + { REG_MODE_CFG(3), 0x0200259f }, + }, +}; + +static void run_table(adapter_t *adapter, struct init_table *ib, int len) +{ + int i; + + for (i = 0; i < len; i++) { + if (ib[i].addr == INITBLOCK_SLEEP) { + udelay( ib[i].data ); + CH_ERR("sleep %d us\n",ib[i].data); + } else { + vsc_write( adapter, ib[i].addr, ib[i].data ); + } + } +} + +static int bist_rd(adapter_t *adapter, int moduleid, int address) +{ + int data=0; + u32 result=0; + + if( (address != 0x0) && + (address != 0x1) && + (address != 0x2) && + (address != 0xd) && + (address != 0xe)) + CH_ERR("No bist address: 0x%x\n", address); + + data = ((0x00 << 24) | ((address & 0xff) << 16) | (0x00 << 8) | + ((moduleid & 0xff) << 0)); + vsc_write(adapter, REG_RAM_BIST_CMD, data); + + udelay(10); + + vsc_read(adapter, REG_RAM_BIST_RESULT, &result); + if((result & (1<<9)) != 0x0) + CH_ERR("Still in bist read: 0x%x\n", result); + else if((result & (1<<8)) != 0x0) + CH_ERR("bist read error: 0x%x\n", result); + + return(result & 0xff); +} + +static int bist_wr(adapter_t *adapter, int moduleid, int address, int value) +{ + int data=0; + u32 result=0; + + if( (address != 0x0) && + (address != 0x1) && + (address != 0x2) && + (address != 0xd) && + (address != 0xe)) + CH_ERR("No bist address: 0x%x\n", address); + + if( value>255 ) + CH_ERR("Suspicious write out of range value: 0x%x\n", value); + + data = ((0x01 << 24) | ((address & 0xff) << 16) | (value << 8) | + ((moduleid & 0xff) << 0)); + vsc_write(adapter, REG_RAM_BIST_CMD, data); + + udelay(5); + + vsc_read(adapter, REG_RAM_BIST_CMD, &result); + if((result & (1<<27)) != 0x0) + CH_ERR("Still in bist write: 0x%x\n", result); + else if((result & (1<<26)) != 0x0) + CH_ERR("bist write error: 0x%x\n", result); + + return(0); +} + +static int run_bist(adapter_t *adapter, int moduleid) +{ + /*run bist*/ + (void) bist_wr(adapter,moduleid, 0x00, 0x02); + (void) bist_wr(adapter,moduleid, 0x01, 0x01); + + return(0); +} + +static int check_bist(adapter_t *adapter, int moduleid) +{ + int result=0; + int column=0; + /*check bist*/ + result = bist_rd(adapter,moduleid, 0x02); + column = ((bist_rd(adapter,moduleid, 0x0e)<<8) + + (bist_rd(adapter,moduleid, 0x0d))); + if ((result & 3) != 0x3) + CH_ERR("Result: 0x%x BIST error in ram %d, column: 0x%04x\n", + result, moduleid, column); + return(0); +} + +static int enable_mem(adapter_t *adapter, int moduleid) +{ + /*enable mem*/ + (void) bist_wr(adapter,moduleid, 0x00, 0x00); + return(0); +} + +static int run_bist_all(adapter_t *adapter) +{ + int port=0; + u32 val=0; + + vsc_write(adapter, REG_MEM_BIST, 0x5); + vsc_read(adapter, REG_MEM_BIST, &val); + + for(port=0; port<12; port++){ + vsc_write(adapter, REG_DEV_SETUP(port), 0x0); + } + + udelay(300); + vsc_write(adapter, REG_SPI4_MISC, 0x00040409); + udelay(300); + + (void) run_bist(adapter,13); + (void) run_bist(adapter,14); + (void) run_bist(adapter,20); + (void) run_bist(adapter,21); + mdelay(200); + (void) check_bist(adapter,13); + (void) check_bist(adapter,14); + (void) check_bist(adapter,20); + (void) check_bist(adapter,21); + udelay(100); + (void) enable_mem(adapter,13); + (void) enable_mem(adapter,14); + (void) enable_mem(adapter,20); + (void) enable_mem(adapter,21); + udelay(300); + vsc_write(adapter, REG_SPI4_MISC, 0x60040400); + udelay(300); + for(port=0; port<12; port++){ + vsc_write(adapter, REG_DEV_SETUP(port), 0x1); + } + udelay(300); + vsc_write(adapter, REG_MEM_BIST, 0x0); + mdelay(10); + return(0); +} + +static int mac_intr_handler(struct cmac *mac) +{ + return 0; +} + +static int mac_intr_enable(struct cmac *mac) +{ + return 0; +} + +static int mac_intr_disable(struct cmac *mac) +{ + return 0; +} + +static int mac_intr_clear(struct cmac *mac) +{ + return 0; +} + +/* Expect MAC address to be in network byte order. */ +static int mac_set_address(struct cmac* mac, u8 addr[6]) +{ + u32 val; + int port = mac->instance->index; + + vsc_write(mac->adapter, REG_MAC_LOW_ADDR(port), + (addr[3] << 16) | (addr[4] << 8) | addr[5]); + vsc_write(mac->adapter, REG_MAC_HIGH_ADDR(port), + (addr[0] << 16) | (addr[1] << 8) | addr[2]); + + vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &val); + val &= ~0xf0000000; + vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, val | (port << 28)); + + vsc_write(mac->adapter, REG_ING_FFILT_MASK0, + 0xffff0000 | (addr[4] << 8) | addr[5]); + vsc_write(mac->adapter, REG_ING_FFILT_MASK1, + 0xffff0000 | (addr[2] << 8) | addr[3]); + vsc_write(mac->adapter, REG_ING_FFILT_MASK2, + 0xffff0000 | (addr[0] << 8) | addr[1]); + return 0; +} + +static int mac_get_address(struct cmac *mac, u8 addr[6]) +{ + u32 addr_lo, addr_hi; + int port = mac->instance->index; + + vsc_read(mac->adapter, REG_MAC_LOW_ADDR(port), &addr_lo); + vsc_read(mac->adapter, REG_MAC_HIGH_ADDR(port), &addr_hi); + + addr[0] = (u8) (addr_hi >> 16); + addr[1] = (u8) (addr_hi >> 8); + addr[2] = (u8) addr_hi; + addr[3] = (u8) (addr_lo >> 16); + addr[4] = (u8) (addr_lo >> 8); + addr[5] = (u8) addr_lo; + return 0; +} + +/* This is intended to reset a port, not the whole MAC */ +static int mac_reset(struct cmac *mac) +{ + int index = mac->instance->index; + + run_table(mac->adapter, vsc7326_portinit[index], + ARRAY_SIZE(vsc7326_portinit[index])); + + return 0; +} + +static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm) +{ + u32 v; + int port = mac->instance->index; + + vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &v); + v |= 1 << 12; + + if (t1_rx_mode_promisc(rm)) + v &= ~(1 << (port + 16)); + else + v |= 1 << (port + 16); + + vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, v); + return 0; +} + +static int mac_set_mtu(struct cmac *mac, int mtu) +{ + int port = mac->instance->index; + + if (mtu > MAX_MTU) + return -EINVAL; + + /* max_len includes header and FCS */ + vsc_write(mac->adapter, REG_MAX_LEN(port), mtu + 14 + 4); + return 0; +} + +static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, + int fc) +{ + u32 v; + int enable, port = mac->instance->index; + + if (speed >= 0 && speed != SPEED_10 && speed != SPEED_100 && + speed != SPEED_1000) + return -1; + if (duplex > 0 && duplex != DUPLEX_FULL) + return -1; + + if (speed >= 0) { + vsc_read(mac->adapter, REG_MODE_CFG(port), &v); + enable = v & 3; /* save tx/rx enables */ + v &= ~0xf; + v |= 4; /* full duplex */ + if (speed == SPEED_1000) + v |= 8; /* GigE */ + enable |= v; + vsc_write(mac->adapter, REG_MODE_CFG(port), v); + + if (speed == SPEED_1000) + v = 0x82; + else if (speed == SPEED_100) + v = 0x84; + else /* SPEED_10 */ + v = 0x86; + vsc_write(mac->adapter, REG_DEV_SETUP(port), v | 1); /* reset */ + vsc_write(mac->adapter, REG_DEV_SETUP(port), v); + vsc_read(mac->adapter, REG_DBG(port), &v); + v &= ~0xff00; + if (speed == SPEED_1000) + v |= 0x400; + else if (speed == SPEED_100) + v |= 0x2000; + else /* SPEED_10 */ + v |= 0xff00; + vsc_write(mac->adapter, REG_DBG(port), v); + + vsc_write(mac->adapter, REG_TX_IFG(port), + speed == SPEED_1000 ? 5 : 0x11); + if (duplex == DUPLEX_HALF) + enable = 0x0; /* 100 or 10 */ + else if (speed == SPEED_1000) + enable = 0xc; + else /* SPEED_100 or 10 */ + enable = 0x4; + enable |= 0x9 << 10; /* IFG1 */ + enable |= 0x6 << 6; /* IFG2 */ + enable |= 0x1 << 4; /* VLAN */ + enable |= 0x3; /* RX/TX EN */ + vsc_write(mac->adapter, REG_MODE_CFG(port), enable); + + } + + vsc_read(mac->adapter, REG_PAUSE_CFG(port), &v); + v &= 0xfff0ffff; + v |= 0x20000; /* xon/xoff */ + if (fc & PAUSE_RX) + v |= 0x40000; + if (fc & PAUSE_TX) + v |= 0x80000; + if (fc == (PAUSE_RX | PAUSE_TX)) + v |= 0x10000; + vsc_write(mac->adapter, REG_PAUSE_CFG(port), v); + return 0; +} + +static int mac_enable(struct cmac *mac, int which) +{ + u32 val; + int port = mac->instance->index; + + /* Write the correct WM value when the port is enabled. */ + vsc_write(mac->adapter, REG_HIGH_LOW_WM(1,port), WM_ENABLE); + + vsc_read(mac->adapter, REG_MODE_CFG(port), &val); + if (which & MAC_DIRECTION_RX) + val |= 0x2; + if (which & MAC_DIRECTION_TX) + val |= 1; + vsc_write(mac->adapter, REG_MODE_CFG(port), val); + return 0; +} + +static int mac_disable(struct cmac *mac, int which) +{ + u32 val; + int i, port = mac->instance->index; + + /* Reset the port, this also writes the correct WM value */ + mac_reset(mac); + + vsc_read(mac->adapter, REG_MODE_CFG(port), &val); + if (which & MAC_DIRECTION_RX) + val &= ~0x2; + if (which & MAC_DIRECTION_TX) + val &= ~0x1; + vsc_write(mac->adapter, REG_MODE_CFG(port), val); + vsc_read(mac->adapter, REG_MODE_CFG(port), &val); + + /* Clear stats */ + for (i = 0; i <= 0x3a; ++i) + vsc_write(mac->adapter, CRA(4, port, i), 0); + + /* Clear sofware counters */ + memset(&mac->stats, 0, sizeof(struct cmac_statistics)); + + return 0; +} + +static void rmon_update(struct cmac *mac, unsigned int addr, u64 *stat) +{ + u32 v, lo; + + vsc_read(mac->adapter, addr, &v); + lo = *stat; + *stat = *stat - lo + v; + + if (v == 0) + return; + + if (v < lo) + *stat += (1ULL << 32); +} + +static void port_stats_update(struct cmac *mac) +{ + int port = mac->instance->index; + + /* Rx stats */ + rmon_update(mac, REG_RX_OK_BYTES(port), &mac->stats.RxOctetsOK); + rmon_update(mac, REG_RX_BAD_BYTES(port), &mac->stats.RxOctetsBad); + rmon_update(mac, REG_RX_UNICAST(port), &mac->stats.RxUnicastFramesOK); + rmon_update(mac, REG_RX_MULTICAST(port), + &mac->stats.RxMulticastFramesOK); + rmon_update(mac, REG_RX_BROADCAST(port), + &mac->stats.RxBroadcastFramesOK); + rmon_update(mac, REG_CRC(port), &mac->stats.RxFCSErrors); + rmon_update(mac, REG_RX_ALIGNMENT(port), &mac->stats.RxAlignErrors); + rmon_update(mac, REG_RX_OVERSIZE(port), + &mac->stats.RxFrameTooLongErrors); + rmon_update(mac, REG_RX_PAUSE(port), &mac->stats.RxPauseFrames); + rmon_update(mac, REG_RX_JABBERS(port), &mac->stats.RxJabberErrors); + rmon_update(mac, REG_RX_FRAGMENTS(port), &mac->stats.RxRuntErrors); + rmon_update(mac, REG_RX_UNDERSIZE(port), &mac->stats.RxRuntErrors); + rmon_update(mac, REG_RX_SYMBOL_CARRIER(port), + &mac->stats.RxSymbolErrors); + rmon_update(mac, REG_RX_SIZE_1519_TO_MAX(port), + &mac->stats.RxJumboFramesOK); + + /* Tx stats (skip collision stats as we are full-duplex only) */ + rmon_update(mac, REG_TX_OK_BYTES(port), &mac->stats.TxOctetsOK); + rmon_update(mac, REG_TX_UNICAST(port), &mac->stats.TxUnicastFramesOK); + rmon_update(mac, REG_TX_MULTICAST(port), + &mac->stats.TxMulticastFramesOK); + rmon_update(mac, REG_TX_BROADCAST(port), + &mac->stats.TxBroadcastFramesOK); + rmon_update(mac, REG_TX_PAUSE(port), &mac->stats.TxPauseFrames); + rmon_update(mac, REG_TX_UNDERRUN(port), &mac->stats.TxUnderrun); + rmon_update(mac, REG_TX_SIZE_1519_TO_MAX(port), + &mac->stats.TxJumboFramesOK); +} + +/* + * This function is called periodically to accumulate the current values of the + * RMON counters into the port statistics. Since the counters are only 32 bits + * some of them can overflow in less than a minute at GigE speeds, so this + * function should be called every 30 seconds or so. + * + * To cut down on reading costs we update only the octet counters at each tick + * and do a full update at major ticks, which can be every 30 minutes or more. + */ +static const struct cmac_statistics *mac_update_statistics(struct cmac *mac, + int flag) +{ + if (flag == MAC_STATS_UPDATE_FULL || + mac->instance->ticks >= MAJOR_UPDATE_TICKS) { + port_stats_update(mac); + mac->instance->ticks = 0; + } else { + int port = mac->instance->index; + + rmon_update(mac, REG_RX_OK_BYTES(port), + &mac->stats.RxOctetsOK); + rmon_update(mac, REG_RX_BAD_BYTES(port), + &mac->stats.RxOctetsBad); + rmon_update(mac, REG_TX_OK_BYTES(port), + &mac->stats.TxOctetsOK); + mac->instance->ticks++; + } + return &mac->stats; +} + +static void mac_destroy(struct cmac *mac) +{ + kfree(mac); +} + +static struct cmac_ops vsc7326_ops = { + .destroy = mac_destroy, + .reset = mac_reset, + .interrupt_handler = mac_intr_handler, + .interrupt_enable = mac_intr_enable, + .interrupt_disable = mac_intr_disable, + .interrupt_clear = mac_intr_clear, + .enable = mac_enable, + .disable = mac_disable, + .set_mtu = mac_set_mtu, + .set_rx_mode = mac_set_rx_mode, + .set_speed_duplex_fc = mac_set_speed_duplex_fc, + .statistics_update = mac_update_statistics, + .macaddress_get = mac_get_address, + .macaddress_set = mac_set_address, +}; + +static struct cmac *vsc7326_mac_create(adapter_t *adapter, int index) +{ + struct cmac *mac; + u32 val; + int i; + + mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL); + if (!mac) return NULL; + + mac->ops = &vsc7326_ops; + mac->instance = (cmac_instance *)(mac + 1); + mac->adapter = adapter; + + mac->instance->index = index; + mac->instance->ticks = 0; + + i = 0; + do { + u32 vhi, vlo; + + vhi = vlo = 0; + t1_tpi_read(adapter, (REG_LOCAL_STATUS << 2) + 4, &vlo); + udelay(1); + t1_tpi_read(adapter, REG_LOCAL_STATUS << 2, &vhi); + udelay(5); + val = (vhi << 16) | vlo; + } while ((++i < 10000) && (val == 0xffffffff)); + + return mac; +} + +static int vsc7326_mac_reset(adapter_t *adapter) +{ + vsc7326_full_reset(adapter); + (void) run_bist_all(adapter); + run_table(adapter, vsc7326_reset, ARRAY_SIZE(vsc7326_reset)); + return 0; +} + +struct gmac t1_vsc7326_ops = { + .stats_update_period = STATS_TICK_SECS, + .create = vsc7326_mac_create, + .reset = vsc7326_mac_reset, +}; diff --git a/drivers/net/chelsio/vsc8244.c b/drivers/net/chelsio/vsc8244.c new file mode 100644 index 0000000..c493e78 --- /dev/null +++ b/drivers/net/chelsio/vsc8244.c @@ -0,0 +1,368 @@ +/* + * This file is part of the Chelsio T2 Ethernet driver. + * + * Copyright (C) 2005 Chelsio Communications. All rights reserved. + * + * 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 LICENSE file included in this + * release for licensing terms and conditions. + */ + +#include "common.h" +#include "cphy.h" +#include "elmer0.h" + +#ifndef ADVERTISE_PAUSE_CAP +# define ADVERTISE_PAUSE_CAP 0x400 +#endif +#ifndef ADVERTISE_PAUSE_ASYM +# define ADVERTISE_PAUSE_ASYM 0x800 +#endif + +/* Gigabit MII registers */ +#ifndef MII_CTRL1000 +# define MII_CTRL1000 9 +#endif + +#ifndef ADVERTISE_1000FULL +# define ADVERTISE_1000FULL 0x200 +# define ADVERTISE_1000HALF 0x100 +#endif + +/* VSC8244 PHY specific registers. */ +enum { + VSC8244_INTR_ENABLE = 25, + VSC8244_INTR_STATUS = 26, + VSC8244_AUX_CTRL_STAT = 28, +}; + +enum { + VSC_INTR_RX_ERR = 1 << 0, + VSC_INTR_MS_ERR = 1 << 1, /* master/slave resolution error */ + VSC_INTR_CABLE = 1 << 2, /* cable impairment */ + VSC_INTR_FALSE_CARR = 1 << 3, /* false carrier */ + VSC_INTR_MEDIA_CHG = 1 << 4, /* AMS media change */ + VSC_INTR_RX_FIFO = 1 << 5, /* Rx FIFO over/underflow */ + VSC_INTR_TX_FIFO = 1 << 6, /* Tx FIFO over/underflow */ + VSC_INTR_DESCRAMBL = 1 << 7, /* descrambler lock-lost */ + VSC_INTR_SYMBOL_ERR = 1 << 8, /* symbol error */ + VSC_INTR_NEG_DONE = 1 << 10, /* autoneg done */ + VSC_INTR_NEG_ERR = 1 << 11, /* autoneg error */ + VSC_INTR_LINK_CHG = 1 << 13, /* link change */ + VSC_INTR_ENABLE = 1 << 15, /* interrupt enable */ +}; + +#define CFG_CHG_INTR_MASK (VSC_INTR_LINK_CHG | VSC_INTR_NEG_ERR | \ + VSC_INTR_NEG_DONE) +#define INTR_MASK (CFG_CHG_INTR_MASK | VSC_INTR_TX_FIFO | VSC_INTR_RX_FIFO | \ + VSC_INTR_ENABLE) + +/* PHY specific auxiliary control & status register fields */ +#define S_ACSR_ACTIPHY_TMR 0 +#define M_ACSR_ACTIPHY_TMR 0x3 +#define V_ACSR_ACTIPHY_TMR(x) ((x) << S_ACSR_ACTIPHY_TMR) + +#define S_ACSR_SPEED 3 +#define M_ACSR_SPEED 0x3 +#define G_ACSR_SPEED(x) (((x) >> S_ACSR_SPEED) & M_ACSR_SPEED) + +#define S_ACSR_DUPLEX 5 +#define F_ACSR_DUPLEX (1 << S_ACSR_DUPLEX) + +#define S_ACSR_ACTIPHY 6 +#define F_ACSR_ACTIPHY (1 << S_ACSR_ACTIPHY) + +/* + * Reset the PHY. This PHY completes reset immediately so we never wait. + */ +static int vsc8244_reset(struct cphy *cphy, int wait) +{ + int err; + unsigned int ctl; + + err = simple_mdio_read(cphy, MII_BMCR, &ctl); + if (err) + return err; + + ctl &= ~BMCR_PDOWN; + ctl |= BMCR_RESET; + return simple_mdio_write(cphy, MII_BMCR, ctl); +} + +static int vsc8244_intr_enable(struct cphy *cphy) +{ + simple_mdio_write(cphy, VSC8244_INTR_ENABLE, INTR_MASK); + + /* Enable interrupts through Elmer */ + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer |= ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4; + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } + + return 0; +} + +static int vsc8244_intr_disable(struct cphy *cphy) +{ + simple_mdio_write(cphy, VSC8244_INTR_ENABLE, 0); + + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer &= ~ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer &= ~(ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4); + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } + + return 0; +} + +static int vsc8244_intr_clear(struct cphy *cphy) +{ + u32 val; + u32 elmer; + + /* Clear PHY interrupts by reading the register. */ + simple_mdio_read(cphy, VSC8244_INTR_ENABLE, &val); + + if (t1_is_asic(cphy->adapter)) { + t1_tpi_read(cphy->adapter, A_ELMER0_INT_CAUSE, &elmer); + elmer |= ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4; + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_CAUSE, elmer); + } + + return 0; +} + +/* + * Force the PHY speed and duplex. This also disables auto-negotiation, except + * for 1Gb/s, where auto-negotiation is mandatory. + */ +static int vsc8244_set_speed_duplex(struct cphy *phy, int speed, int duplex) +{ + int err; + unsigned int ctl; + + err = simple_mdio_read(phy, MII_BMCR, &ctl); + if (err) + return err; + + if (speed >= 0) { + ctl &= ~(BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE); + if (speed == SPEED_100) + ctl |= BMCR_SPEED100; + else if (speed == SPEED_1000) + ctl |= BMCR_SPEED1000; + } + if (duplex >= 0) { + ctl &= ~(BMCR_FULLDPLX | BMCR_ANENABLE); + if (duplex == DUPLEX_FULL) + ctl |= BMCR_FULLDPLX; + } + if (ctl & BMCR_SPEED1000) /* auto-negotiation required for 1Gb/s */ + ctl |= BMCR_ANENABLE; + return simple_mdio_write(phy, MII_BMCR, ctl); +} + +int t1_mdio_set_bits(struct cphy *phy, int mmd, int reg, unsigned int bits) +{ + int ret; + unsigned int val; + + ret = mdio_read(phy, mmd, reg, &val); + if (!ret) + ret = mdio_write(phy, mmd, reg, val | bits); + return ret; +} + +static int vsc8244_autoneg_enable(struct cphy *cphy) +{ + return t1_mdio_set_bits(cphy, 0, MII_BMCR, + BMCR_ANENABLE | BMCR_ANRESTART); +} + +static int vsc8244_autoneg_restart(struct cphy *cphy) +{ + return t1_mdio_set_bits(cphy, 0, MII_BMCR, BMCR_ANRESTART); +} + +static int vsc8244_advertise(struct cphy *phy, unsigned int advertise_map) +{ + int err; + unsigned int val = 0; + + err = simple_mdio_read(phy, MII_CTRL1000, &val); + if (err) + return err; + + val &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL); + if (advertise_map & ADVERTISED_1000baseT_Half) + val |= ADVERTISE_1000HALF; + if (advertise_map & ADVERTISED_1000baseT_Full) + val |= ADVERTISE_1000FULL; + + err = simple_mdio_write(phy, MII_CTRL1000, val); + if (err) + return err; + + val = 1; + if (advertise_map & ADVERTISED_10baseT_Half) + val |= ADVERTISE_10HALF; + if (advertise_map & ADVERTISED_10baseT_Full) + val |= ADVERTISE_10FULL; + if (advertise_map & ADVERTISED_100baseT_Half) + val |= ADVERTISE_100HALF; + if (advertise_map & ADVERTISED_100baseT_Full) + val |= ADVERTISE_100FULL; + if (advertise_map & ADVERTISED_PAUSE) + val |= ADVERTISE_PAUSE_CAP; + if (advertise_map & ADVERTISED_ASYM_PAUSE) + val |= ADVERTISE_PAUSE_ASYM; + return simple_mdio_write(phy, MII_ADVERTISE, val); +} + +static int vsc8244_get_link_status(struct cphy *cphy, int *link_ok, + int *speed, int *duplex, int *fc) +{ + unsigned int bmcr, status, lpa, adv; + int err, sp = -1, dplx = -1, pause = 0; + + err = simple_mdio_read(cphy, MII_BMCR, &bmcr); + if (!err) + err = simple_mdio_read(cphy, MII_BMSR, &status); + if (err) + return err; + + if (link_ok) { + /* + * BMSR_LSTATUS is latch-low, so if it is 0 we need to read it + * once more to get the current link state. + */ + if (!(status & BMSR_LSTATUS)) + err = simple_mdio_read(cphy, MII_BMSR, &status); + if (err) + return err; + *link_ok = (status & BMSR_LSTATUS) != 0; + } + if (!(bmcr & BMCR_ANENABLE)) { + dplx = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF; + if (bmcr & BMCR_SPEED1000) + sp = SPEED_1000; + else if (bmcr & BMCR_SPEED100) + sp = SPEED_100; + else + sp = SPEED_10; + } else if (status & BMSR_ANEGCOMPLETE) { + err = simple_mdio_read(cphy, VSC8244_AUX_CTRL_STAT, &status); + if (err) + return err; + + dplx = (status & F_ACSR_DUPLEX) ? DUPLEX_FULL : DUPLEX_HALF; + sp = G_ACSR_SPEED(status); + if (sp == 0) + sp = SPEED_10; + else if (sp == 1) + sp = SPEED_100; + else + sp = SPEED_1000; + + if (fc && dplx == DUPLEX_FULL) { + err = simple_mdio_read(cphy, MII_LPA, &lpa); + if (!err) + err = simple_mdio_read(cphy, MII_ADVERTISE, + &adv); + if (err) + return err; + + if (lpa & adv & ADVERTISE_PAUSE_CAP) + pause = PAUSE_RX | PAUSE_TX; + else if ((lpa & ADVERTISE_PAUSE_CAP) && + (lpa & ADVERTISE_PAUSE_ASYM) && + (adv & ADVERTISE_PAUSE_ASYM)) + pause = PAUSE_TX; + else if ((lpa & ADVERTISE_PAUSE_ASYM) && + (adv & ADVERTISE_PAUSE_CAP)) + pause = PAUSE_RX; + } + } + if (speed) + *speed = sp; + if (duplex) + *duplex = dplx; + if (fc) + *fc = pause; + return 0; +} + +static int vsc8244_intr_handler(struct cphy *cphy) +{ + unsigned int cause; + int err, cphy_cause = 0; + + err = simple_mdio_read(cphy, VSC8244_INTR_STATUS, &cause); + if (err) + return err; + + cause &= INTR_MASK; + if (cause & CFG_CHG_INTR_MASK) + cphy_cause |= cphy_cause_link_change; + if (cause & (VSC_INTR_RX_FIFO | VSC_INTR_TX_FIFO)) + cphy_cause |= cphy_cause_fifo_error; + return cphy_cause; +} + +static void vsc8244_destroy(struct cphy *cphy) +{ + kfree(cphy); +} + +static struct cphy_ops vsc8244_ops = { + .destroy = vsc8244_destroy, + .reset = vsc8244_reset, + .interrupt_enable = vsc8244_intr_enable, + .interrupt_disable = vsc8244_intr_disable, + .interrupt_clear = vsc8244_intr_clear, + .interrupt_handler = vsc8244_intr_handler, + .autoneg_enable = vsc8244_autoneg_enable, + .autoneg_restart = vsc8244_autoneg_restart, + .advertise = vsc8244_advertise, + .set_speed_duplex = vsc8244_set_speed_duplex, + .get_link_status = vsc8244_get_link_status +}; + +static struct cphy* vsc8244_phy_create(adapter_t *adapter, int phy_addr, struct mdio_ops *mdio_ops) +{ + struct cphy *cphy = kzalloc(sizeof(*cphy), GFP_KERNEL); + + if (!cphy) return NULL; + + cphy_init(cphy, adapter, phy_addr, &vsc8244_ops, mdio_ops); + + return cphy; +} + + +static int vsc8244_phy_reset(adapter_t* adapter) +{ + return 0; +} + +struct gphy t1_vsc8244_ops = { + vsc8244_phy_create, + vsc8244_phy_reset +}; + + diff --git a/drivers/net/chelsio/vsc8244_reg.h b/drivers/net/chelsio/vsc8244_reg.h new file mode 100644 index 0000000..d3c1829 --- /dev/null +++ b/drivers/net/chelsio/vsc8244_reg.h @@ -0,0 +1,172 @@ +/* $Date: 2005/11/23 16:28:53 $ $RCSfile: vsc8244_reg.h,v $ $Revision: 1.1 $ */ +#ifndef CHELSIO_MV8E1XXX_H +#define CHELSIO_MV8E1XXX_H + +#ifndef BMCR_SPEED1000 +# define BMCR_SPEED1000 0x40 +#endif + +#ifndef ADVERTISE_PAUSE +# define ADVERTISE_PAUSE 0x400 +#endif +#ifndef ADVERTISE_PAUSE_ASYM +# define ADVERTISE_PAUSE_ASYM 0x800 +#endif + +/* Gigabit MII registers */ +#define MII_GBMR 1 /* 1000Base-T mode register */ +#define MII_GBCR 9 /* 1000Base-T control register */ +#define MII_GBSR 10 /* 1000Base-T status register */ + +/* 1000Base-T control register fields */ +#define GBCR_ADV_1000HALF 0x100 +#define GBCR_ADV_1000FULL 0x200 +#define GBCR_PREFER_MASTER 0x400 +#define GBCR_MANUAL_AS_MASTER 0x800 +#define GBCR_MANUAL_CONFIG_ENABLE 0x1000 + +/* 1000Base-T status register fields */ +#define GBSR_LP_1000HALF 0x400 +#define GBSR_LP_1000FULL 0x800 +#define GBSR_REMOTE_OK 0x1000 +#define GBSR_LOCAL_OK 0x2000 +#define GBSR_LOCAL_MASTER 0x4000 +#define GBSR_MASTER_FAULT 0x8000 + +/* Vitesse PHY interrupt status bits. */ +#if 0 +#define VSC8244_INTR_JABBER 0x0001 +#define VSC8244_INTR_POLARITY_CHNG 0x0002 +#define VSC8244_INTR_ENG_DETECT_CHNG 0x0010 +#define VSC8244_INTR_DOWNSHIFT 0x0020 +#define VSC8244_INTR_MDI_XOVER_CHNG 0x0040 +#define VSC8244_INTR_FIFO_OVER_UNDER 0x0080 +#define VSC8244_INTR_FALSE_CARRIER 0x0100 +#define VSC8244_INTR_SYMBOL_ERROR 0x0200 +#define VSC8244_INTR_LINK_CHNG 0x0400 +#define VSC8244_INTR_AUTONEG_DONE 0x0800 +#define VSC8244_INTR_PAGE_RECV 0x1000 +#define VSC8244_INTR_DUPLEX_CHNG 0x2000 +#define VSC8244_INTR_SPEED_CHNG 0x4000 +#define VSC8244_INTR_AUTONEG_ERR 0x8000 +#else +//#define VSC8244_INTR_JABBER 0x0001 +//#define VSC8244_INTR_POLARITY_CHNG 0x0002 +//#define VSC8244_INTR_BIT2 0x0004 +//#define VSC8244_INTR_BIT3 0x0008 +#define VSC8244_INTR_RX_ERR 0x0001 +#define VSC8244_INTR_MASTER_SLAVE 0x0002 +#define VSC8244_INTR_CABLE_IMPAIRED 0x0004 +#define VSC8244_INTR_FALSE_CARRIER 0x0008 +//#define VSC8244_INTR_ENG_DETECT_CHNG 0x0010 +//#define VSC8244_INTR_DOWNSHIFT 0x0020 +//#define VSC8244_INTR_MDI_XOVER_CHNG 0x0040 +//#define VSC8244_INTR_FIFO_OVER_UNDER 0x0080 +#define VSC8244_INTR_BIT4 0x0010 +#define VSC8244_INTR_FIFO_RX 0x0020 +#define VSC8244_INTR_FIFO_OVER_UNDER 0x0040 +#define VSC8244_INTR_LOCK_LOST 0x0080 +//#define VSC8244_INTR_FALSE_CARRIER 0x0100 +//#define VSC8244_INTR_SYMBOL_ERROR 0x0200 +//#define VSC8244_INTR_LINK_CHNG 0x0400 +//#define VSC8244_INTR_AUTONEG_DONE 0x0800 +#define VSC8244_INTR_SYMBOL_ERROR 0x0100 +#define VSC8244_INTR_ENG_DETECT_CHNG 0x0200 +#define VSC8244_INTR_AUTONEG_DONE 0x0400 +#define VSC8244_INTR_AUTONEG_ERR 0x0800 +//#define VSC8244_INTR_PAGE_RECV 0x1000 +//#define VSC8244_INTR_DUPLEX_CHNG 0x2000 +//#define VSC8244_INTR_SPEED_CHNG 0x4000 +//#define VSC8244_INTR_AUTONEG_ERR 0x8000 +#define VSC8244_INTR_DUPLEX_CHNG 0x1000 +#define VSC8244_INTR_LINK_CHNG 0x2000 +#define VSC8244_INTR_SPEED_CHNG 0x4000 +#define VSC8244_INTR_STATUS 0x8000 +#endif + + +/* Vitesse PHY specific registers. */ +#define VSC8244_SPECIFIC_CNTRL_REGISTER 16 +#define VSC8244_SPECIFIC_STATUS_REGISTER 0x1c +#define VSC8244_INTERRUPT_ENABLE_REGISTER 0x19 +#define VSC8244_INTERRUPT_STATUS_REGISTER 0x1a +#define VSC8244_EXT_PHY_SPECIFIC_CNTRL_REGISTER 20 +#define VSC8244_RECV_ERR_CNTR_REGISTER 21 +#define VSC8244_RES_REGISTER 22 +#define VSC8244_GLOBAL_STATUS_REGISTER 23 +#define VSC8244_LED_CONTROL_REGISTER 24 +#define VSC8244_MANUAL_LED_OVERRIDE_REGISTER 25 +#define VSC8244_EXT_PHY_SPECIFIC_CNTRL_2_REGISTER 26 +#define VSC8244_EXT_PHY_SPECIFIC_STATUS_REGISTER 27 +#define VSC8244_VIRTUAL_CABLE_TESTER_REGISTER 28 +#define VSC8244_EXTENDED_ADDR_REGISTER 29 +#define VSC8244_EXTENDED_REGISTER 30 + +/* PHY specific control register fields */ +#define S_PSCR_MDI_XOVER_MODE 5 +#define M_PSCR_MDI_XOVER_MODE 0x3 +#define V_PSCR_MDI_XOVER_MODE(x) ((x) << S_PSCR_MDI_XOVER_MODE) +#define G_PSCR_MDI_XOVER_MODE(x) (((x) >> S_PSCR_MDI_XOVER_MODE) & M_PSCR_MDI_XOVER_MODE) + +/* Extended PHY specific control register fields */ +#define S_DOWNSHIFT_ENABLE 8 +#define V_DOWNSHIFT_ENABLE (1 << S_DOWNSHIFT_ENABLE) + +#define S_DOWNSHIFT_CNT 9 +#define M_DOWNSHIFT_CNT 0x7 +#define V_DOWNSHIFT_CNT(x) ((x) << S_DOWNSHIFT_CNT) +#define G_DOWNSHIFT_CNT(x) (((x) >> S_DOWNSHIFT_CNT) & M_DOWNSHIFT_CNT) + +/* PHY specific status register fields */ +#define S_PSSR_JABBER 0 +#define V_PSSR_JABBER (1 << S_PSSR_JABBER) + +#define S_PSSR_POLARITY 1 +#define V_PSSR_POLARITY (1 << S_PSSR_POLARITY) + +#define S_PSSR_RX_PAUSE 2 +#define V_PSSR_RX_PAUSE (1 << S_PSSR_RX_PAUSE) + +#define S_PSSR_TX_PAUSE 3 +#define V_PSSR_TX_PAUSE (1 << S_PSSR_TX_PAUSE) + +#define S_PSSR_ENERGY_DETECT 4 +#define V_PSSR_ENERGY_DETECT (1 << S_PSSR_ENERGY_DETECT) + +#define S_PSSR_DOWNSHIFT_STATUS 5 +#define V_PSSR_DOWNSHIFT_STATUS (1 << S_PSSR_DOWNSHIFT_STATUS) + +#define S_PSSR_MDI 6 +#define V_PSSR_MDI (1 << S_PSSR_MDI) + +#define S_PSSR_CABLE_LEN 7 +#define M_PSSR_CABLE_LEN 0x7 +#define V_PSSR_CABLE_LEN(x) ((x) << S_PSSR_CABLE_LEN) +#define G_PSSR_CABLE_LEN(x) (((x) >> S_PSSR_CABLE_LEN) & M_PSSR_CABLE_LEN) + +//#define S_PSSR_LINK 10 +//#define S_PSSR_LINK 13 +#define S_PSSR_LINK 2 +#define V_PSSR_LINK (1 << S_PSSR_LINK) + +//#define S_PSSR_STATUS_RESOLVED 11 +//#define S_PSSR_STATUS_RESOLVED 10 +#define S_PSSR_STATUS_RESOLVED 15 +#define V_PSSR_STATUS_RESOLVED (1 << S_PSSR_STATUS_RESOLVED) + +#define S_PSSR_PAGE_RECEIVED 12 +#define V_PSSR_PAGE_RECEIVED (1 << S_PSSR_PAGE_RECEIVED) + +//#define S_PSSR_DUPLEX 13 +//#define S_PSSR_DUPLEX 12 +#define S_PSSR_DUPLEX 5 +#define V_PSSR_DUPLEX (1 << S_PSSR_DUPLEX) + +//#define S_PSSR_SPEED 14 +//#define S_PSSR_SPEED 14 +#define S_PSSR_SPEED 3 +#define M_PSSR_SPEED 0x3 +#define V_PSSR_SPEED(x) ((x) << S_PSSR_SPEED) +#define G_PSSR_SPEED(x) (((x) >> S_PSSR_SPEED) & M_PSSR_SPEED) + +#endif |
