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[PATCH] chelsio: add 1G swcixw aupport

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Add support for 1G versions of Chelsio devices.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger 2006-12-01 16:36:17 -08:00 committed by Jeff Garzik
parent f1d3d38af7
commit 352c417ddb
12 changed files with 2780 additions and 0 deletions
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7
drivers/net/Kconfig
View file

@ -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

1
drivers/net/chelsio/Makefile
View file

@ -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)

2
drivers/net/chelsio/common.h
View file

@ -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;

1
drivers/net/chelsio/cxgb2.c
View file

@ -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);

485
drivers/net/chelsio/ixf1010.c Normal file
View file

@ -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
};

368
drivers/net/chelsio/mac.c Normal file
View file

@ -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
};

397
drivers/net/chelsio/mv88e1xxx.c Normal file
View file

@ -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
};

221
drivers/net/chelsio/subr.c
View file

@ -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

33
drivers/net/chelsio/tp.c
View file

@ -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);

725
drivers/net/chelsio/vsc7326.c Normal file
View file

@ -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,
};

368
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/*
* 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
};

172
drivers/net/chelsio/vsc8244_reg.h Normal file
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/* $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