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-rw-r--r--drivers/net/sfc/Kconfig8
-rw-r--r--drivers/net/sfc/Makefile1
-rw-r--r--drivers/net/sfc/boards.c136
-rw-r--r--drivers/net/sfc/efx.c78
-rw-r--r--drivers/net/sfc/efx.h10
-rw-r--r--drivers/net/sfc/enum.h4
-rw-r--r--drivers/net/sfc/ethtool.c17
-rw-r--r--drivers/net/sfc/falcon.c23
-rw-r--r--drivers/net/sfc/falcon_hwdefs.h1
-rw-r--r--drivers/net/sfc/mdio_10g.c35
-rw-r--r--drivers/net/sfc/mdio_10g.h7
-rw-r--r--drivers/net/sfc/mtd.c268
-rw-r--r--drivers/net/sfc/net_driver.h8
-rw-r--r--drivers/net/sfc/rx.c2
-rw-r--r--drivers/net/sfc/sfe4001.c116
-rw-r--r--drivers/net/sfc/spi.h34
-rw-r--r--drivers/net/sfc/tenxpress.c18
-rw-r--r--drivers/net/sfc/workarounds.h2
-rw-r--r--drivers/net/sfc/xfp_phy.c9
19 files changed, 648 insertions, 129 deletions
diff --git a/drivers/net/sfc/Kconfig b/drivers/net/sfc/Kconfig
index 3be13b592b4d..c535408ad6be 100644
--- a/drivers/net/sfc/Kconfig
+++ b/drivers/net/sfc/Kconfig
@@ -12,3 +12,11 @@ config SFC
To compile this driver as a module, choose M here. The module
will be called sfc.
+config SFC_MTD
+ bool "Solarflare Solarstorm SFC4000 flash MTD support"
+ depends on SFC && MTD && !(SFC=y && MTD=m)
+ default y
+ help
+ This exposes the on-board flash memory as an MTD device (e.g.
+ /dev/mtd1). This makes it possible to upload new boot code
+ to the NIC.
diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index c8f5704c8fb1..e507daa4f0e8 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,5 +1,6 @@
sfc-y += efx.o falcon.o tx.o rx.o falcon_xmac.o \
selftest.o ethtool.o xfp_phy.o \
mdio_10g.o tenxpress.o boards.o sfe4001.o
+sfc-$(CONFIG_SFC_MTD) += mtd.o
obj-$(CONFIG_SFC) += sfc.o
diff --git a/drivers/net/sfc/boards.c b/drivers/net/sfc/boards.c
index 99e602373269..edf026280bec 100644
--- a/drivers/net/sfc/boards.c
+++ b/drivers/net/sfc/boards.c
@@ -11,6 +11,7 @@
#include "phy.h"
#include "boards.h"
#include "efx.h"
+#include "workarounds.h"
/* Macros for unpacking the board revision */
/* The revision info is in host byte order. */
@@ -52,9 +53,128 @@ static void board_blink(struct efx_nic *efx, bool blink)
}
/*****************************************************************************
+ * Support for LM87 sensor chip used on several boards
+ */
+#define LM87_REG_ALARMS1 0x41
+#define LM87_REG_ALARMS2 0x42
+#define LM87_IN_LIMITS(nr, _min, _max) \
+ 0x2B + (nr) * 2, _max, 0x2C + (nr) * 2, _min
+#define LM87_AIN_LIMITS(nr, _min, _max) \
+ 0x3B + (nr), _max, 0x1A + (nr), _min
+#define LM87_TEMP_INT_LIMITS(_min, _max) \
+ 0x39, _max, 0x3A, _min
+#define LM87_TEMP_EXT1_LIMITS(_min, _max) \
+ 0x37, _max, 0x38, _min
+
+#define LM87_ALARM_TEMP_INT 0x10
+#define LM87_ALARM_TEMP_EXT1 0x20
+
+#if defined(CONFIG_SENSORS_LM87) || defined(CONFIG_SENSORS_LM87_MODULE)
+
+static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info,
+ const u8 *reg_values)
+{
+ struct i2c_client *client = i2c_new_device(&efx->i2c_adap, info);
+ int rc;
+
+ if (!client)
+ return -EIO;
+
+ while (*reg_values) {
+ u8 reg = *reg_values++;
+ u8 value = *reg_values++;
+ rc = i2c_smbus_write_byte_data(client, reg, value);
+ if (rc)
+ goto err;
+ }
+
+ efx->board_info.hwmon_client = client;
+ return 0;
+
+err:
+ i2c_unregister_device(client);
+ return rc;
+}
+
+static void efx_fini_lm87(struct efx_nic *efx)
+{
+ i2c_unregister_device(efx->board_info.hwmon_client);
+}
+
+static int efx_check_lm87(struct efx_nic *efx, unsigned mask)
+{
+ struct i2c_client *client = efx->board_info.hwmon_client;
+ s32 alarms1, alarms2;
+
+ /* If link is up then do not monitor temperature */
+ if (EFX_WORKAROUND_7884(efx) && efx->link_up)
+ return 0;
+
+ alarms1 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS1);
+ alarms2 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS2);
+ if (alarms1 < 0)
+ return alarms1;
+ if (alarms2 < 0)
+ return alarms2;
+ alarms1 &= mask;
+ alarms2 &= mask >> 8;
+ if (alarms1 || alarms2) {
+ EFX_ERR(efx,
+ "LM87 detected a hardware failure (status %02x:%02x)"
+ "%s%s\n",
+ alarms1, alarms2,
+ (alarms1 & LM87_ALARM_TEMP_INT) ? " INTERNAL" : "",
+ (alarms1 & LM87_ALARM_TEMP_EXT1) ? " EXTERNAL" : "");
+ return -ERANGE;
+ }
+
+ return 0;
+}
+
+#else /* !CONFIG_SENSORS_LM87 */
+
+static inline int
+efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info,
+ const u8 *reg_values)
+{
+ return 0;
+}
+static inline void efx_fini_lm87(struct efx_nic *efx)
+{
+}
+static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask)
+{
+ return 0;
+}
+
+#endif /* CONFIG_SENSORS_LM87 */
+
+/*****************************************************************************
* Support for the SFE4002
*
*/
+static u8 sfe4002_lm87_channel = 0x03; /* use AIN not FAN inputs */
+
+static const u8 sfe4002_lm87_regs[] = {
+ LM87_IN_LIMITS(0, 0x83, 0x91), /* 2.5V: 1.8V +/- 5% */
+ LM87_IN_LIMITS(1, 0x51, 0x5a), /* Vccp1: 1.2V +/- 5% */
+ LM87_IN_LIMITS(2, 0xb6, 0xca), /* 3.3V: 3.3V +/- 5% */
+ LM87_IN_LIMITS(3, 0xb0, 0xc9), /* 5V: 4.6-5.2V */
+ LM87_IN_LIMITS(4, 0xb0, 0xe0), /* 12V: 11-14V */
+ LM87_IN_LIMITS(5, 0x44, 0x4b), /* Vccp2: 1.0V +/- 5% */
+ LM87_AIN_LIMITS(0, 0xa0, 0xb2), /* AIN1: 1.66V +/- 5% */
+ LM87_AIN_LIMITS(1, 0x91, 0xa1), /* AIN2: 1.5V +/- 5% */
+ LM87_TEMP_INT_LIMITS(10, 60), /* board */
+ LM87_TEMP_EXT1_LIMITS(10, 70), /* Falcon */
+ 0
+};
+
+static struct i2c_board_info sfe4002_hwmon_info = {
+ I2C_BOARD_INFO("lm87", 0x2e),
+ .platform_data = &sfe4002_lm87_channel,
+ .irq = -1,
+};
+
/****************************************************************************/
/* LED allocations. Note that on rev A0 boards the schematic and the reality
* differ: red and green are swapped. Below is the fixed (A1) layout (there
@@ -84,11 +204,27 @@ static void sfe4002_fault_led(struct efx_nic *efx, bool state)
QUAKE_LED_OFF);
}
+static int sfe4002_check_hw(struct efx_nic *efx)
+{
+ /* A0 board rev. 4002s report a temperature fault the whole time
+ * (bad sensor) so we mask it out. */
+ unsigned alarm_mask =
+ (efx->board_info.major == 0 && efx->board_info.minor == 0) ?
+ ~LM87_ALARM_TEMP_EXT1 : ~0;
+
+ return efx_check_lm87(efx, alarm_mask);
+}
+
static int sfe4002_init(struct efx_nic *efx)
{
+ int rc = efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs);
+ if (rc)
+ return rc;
+ efx->board_info.monitor = sfe4002_check_hw;
efx->board_info.init_leds = sfe4002_init_leds;
efx->board_info.set_fault_led = sfe4002_fault_led;
efx->board_info.blink = board_blink;
+ efx->board_info.fini = efx_fini_lm87;
return 0;
}
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 06ea71c7e34e..e5024bb8a46e 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -77,11 +77,6 @@ static int napi_weight = 64;
*/
unsigned int efx_monitor_interval = 1 * HZ;
-/* This controls whether or not the hardware monitor will trigger a
- * reset when it detects an error condition.
- */
-static unsigned int monitor_reset = true;
-
/* This controls whether or not the driver will initialise devices
* with invalid MAC addresses stored in the EEPROM or flash. If true,
* such devices will be initialised with a random locally-generated
@@ -612,17 +607,15 @@ static int efx_probe_port(struct efx_nic *efx)
if (is_valid_ether_addr(efx->mac_address)) {
memcpy(efx->net_dev->dev_addr, efx->mac_address, ETH_ALEN);
} else {
- DECLARE_MAC_BUF(mac);
-
- EFX_ERR(efx, "invalid MAC address %s\n",
- print_mac(mac, efx->mac_address));
+ EFX_ERR(efx, "invalid MAC address %pM\n",
+ efx->mac_address);
if (!allow_bad_hwaddr) {
rc = -EINVAL;
goto err;
}
random_ether_addr(efx->net_dev->dev_addr);
- EFX_INFO(efx, "using locally-generated MAC %s\n",
- print_mac(mac, efx->net_dev->dev_addr));
+ EFX_INFO(efx, "using locally-generated MAC %pM\n",
+ efx->net_dev->dev_addr);
}
return 0;
@@ -1178,17 +1171,6 @@ static void efx_monitor(struct work_struct *data)
rc = falcon_check_xmac(efx);
mutex_unlock(&efx->mac_lock);
- if (rc) {
- if (monitor_reset) {
- EFX_ERR(efx, "hardware monitor detected a fault: "
- "triggering reset\n");
- efx_schedule_reset(efx, RESET_TYPE_MONITOR);
- } else {
- EFX_ERR(efx, "hardware monitor detected a fault, "
- "skipping reset\n");
- }
- }
-
queue_delayed_work(efx->workqueue, &efx->monitor_work,
efx_monitor_interval);
}
@@ -1360,12 +1342,11 @@ static void efx_watchdog(struct net_device *net_dev)
{
struct efx_nic *efx = netdev_priv(net_dev);
- EFX_ERR(efx, "TX stuck with stop_count=%d port_enabled=%d: %s\n",
- atomic_read(&efx->netif_stop_count), efx->port_enabled,
- monitor_reset ? "resetting channels" : "skipping reset");
+ EFX_ERR(efx, "TX stuck with stop_count=%d port_enabled=%d:"
+ " resetting channels\n",
+ atomic_read(&efx->netif_stop_count), efx->port_enabled);
- if (monitor_reset)
- efx_schedule_reset(efx, RESET_TYPE_MONITOR);
+ efx_schedule_reset(efx, RESET_TYPE_TX_WATCHDOG);
}
@@ -1401,9 +1382,8 @@ static int efx_set_mac_address(struct net_device *net_dev, void *data)
EFX_ASSERT_RESET_SERIALISED(efx);
if (!is_valid_ether_addr(new_addr)) {
- DECLARE_MAC_BUF(mac);
- EFX_ERR(efx, "invalid ethernet MAC address requested: %s\n",
- print_mac(mac, new_addr));
+ EFX_ERR(efx, "invalid ethernet MAC address requested: %pM\n",
+ new_addr);
return -EINVAL;
}
@@ -1453,15 +1433,32 @@ static void efx_set_multicast_list(struct net_device *net_dev)
falcon_set_multicast_hash(efx);
}
+static const struct net_device_ops efx_netdev_ops = {
+ .ndo_open = efx_net_open,
+ .ndo_stop = efx_net_stop,
+ .ndo_get_stats = efx_net_stats,
+ .ndo_tx_timeout = efx_watchdog,
+ .ndo_start_xmit = efx_hard_start_xmit,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = efx_ioctl,
+ .ndo_change_mtu = efx_change_mtu,
+ .ndo_set_mac_address = efx_set_mac_address,
+ .ndo_set_multicast_list = efx_set_multicast_list,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = efx_netpoll,
+#endif
+};
+
static int efx_netdev_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct net_device *net_dev = ptr;
- if (net_dev->open == efx_net_open && event == NETDEV_CHANGENAME) {
+ if (net_dev->netdev_ops == &efx_netdev_ops && event == NETDEV_CHANGENAME) {
struct efx_nic *efx = netdev_priv(net_dev);
strcpy(efx->name, net_dev->name);
+ efx_mtd_rename(efx);
}
return NOTIFY_DONE;
@@ -1478,18 +1475,7 @@ static int efx_register_netdev(struct efx_nic *efx)
net_dev->watchdog_timeo = 5 * HZ;
net_dev->irq = efx->pci_dev->irq;
- net_dev->open = efx_net_open;
- net_dev->stop = efx_net_stop;
- net_dev->get_stats = efx_net_stats;
- net_dev->tx_timeout = &efx_watchdog;
- net_dev->hard_start_xmit = efx_hard_start_xmit;
- net_dev->do_ioctl = efx_ioctl;
- net_dev->change_mtu = efx_change_mtu;
- net_dev->set_mac_address = efx_set_mac_address;
- net_dev->set_multicast_list = efx_set_multicast_list;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- net_dev->poll_controller = efx_netpoll;
-#endif
+ net_dev->netdev_ops = &efx_netdev_ops;
SET_NETDEV_DEV(net_dev, &efx->pci_dev->dev);
SET_ETHTOOL_OPS(net_dev, &efx_ethtool_ops);
@@ -1553,6 +1539,7 @@ void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd)
efx_stop_all(efx);
mutex_lock(&efx->mac_lock);
+ mutex_lock(&efx->spi_lock);
rc = falcon_xmac_get_settings(efx, ecmd);
if (rc)
@@ -1585,6 +1572,7 @@ int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, bool ok)
EFX_ERR(efx, "could not restore PHY settings\n");
}
+ mutex_unlock(&efx->spi_lock);
mutex_unlock(&efx->mac_lock);
if (ok) {
@@ -1780,6 +1768,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
memset(efx, 0, sizeof(*efx));
spin_lock_init(&efx->biu_lock);
spin_lock_init(&efx->phy_lock);
+ mutex_init(&efx->spi_lock);
INIT_WORK(&efx->reset_work, efx_reset_work);
INIT_DELAYED_WORK(&efx->monitor_work, efx_monitor);
efx->pci_dev = pci_dev;
@@ -1914,6 +1903,8 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
if (!efx)
return;
+ efx_mtd_remove(efx);
+
/* Mark the NIC as fini, then stop the interface */
rtnl_lock();
efx->state = STATE_FINI;
@@ -2080,6 +2071,7 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
EFX_LOG(efx, "initialisation successful\n");
+ efx_mtd_probe(efx); /* allowed to fail */
return 0;
fail5:
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index d02937b70eee..dd0d45b9e71f 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -58,6 +58,16 @@ extern int efx_port_dummy_op_int(struct efx_nic *efx);
extern void efx_port_dummy_op_void(struct efx_nic *efx);
extern void efx_port_dummy_op_blink(struct efx_nic *efx, bool blink);
+/* MTD */
+#ifdef CONFIG_SFC_MTD
+extern int efx_mtd_probe(struct efx_nic *efx);
+extern void efx_mtd_rename(struct efx_nic *efx);
+extern void efx_mtd_remove(struct efx_nic *efx);
+#else
+static inline int efx_mtd_probe(struct efx_nic *efx) { return 0; }
+static inline void efx_mtd_rename(struct efx_nic *efx) {}
+static inline void efx_mtd_remove(struct efx_nic *efx) {}
+#endif
extern unsigned int efx_monitor_interval;
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index cec15dbb88e4..41e758e8fdb1 100644
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -72,7 +72,7 @@ extern const char *efx_loopback_mode_names[];
* @RESET_TYPE_ALL: reset everything but PCI core blocks
* @RESET_TYPE_WORLD: reset everything, save & restore PCI config
* @RESET_TYPE_DISABLE: disable NIC
- * @RESET_TYPE_MONITOR: reset due to hardware monitor
+ * @RESET_TYPE_TX_WATCHDOG: reset due to TX watchdog
* @RESET_TYPE_INT_ERROR: reset due to internal error
* @RESET_TYPE_RX_RECOVERY: reset to recover from RX datapath errors
* @RESET_TYPE_RX_DESC_FETCH: pcie error during rx descriptor fetch
@@ -86,7 +86,7 @@ enum reset_type {
RESET_TYPE_WORLD = 2,
RESET_TYPE_DISABLE = 3,
RESET_TYPE_MAX_METHOD,
- RESET_TYPE_MONITOR,
+ RESET_TYPE_TX_WATCHDOG,
RESET_TYPE_INT_ERROR,
RESET_TYPE_RX_RECOVERY,
RESET_TYPE_RX_DESC_FETCH,
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index cd0d0873d978..cd92c4d8dbc5 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -172,10 +172,7 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = {
/* Number of ethtool statistics */
#define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats)
-/* EEPROM range with gPXE configuration */
#define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
-#define EFX_ETHTOOL_EEPROM_MIN 0x800U
-#define EFX_ETHTOOL_EEPROM_MAX 0x1800U
/**************************************************************************
*
@@ -429,7 +426,7 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS);
/* Update MAC and NIC statistics */
- net_dev->get_stats(net_dev);
+ dev_get_stats(net_dev);
/* Fill detailed statistics buffer */
for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) {
@@ -545,8 +542,8 @@ static int efx_ethtool_get_eeprom_len(struct net_device *net_dev)
if (!spi)
return 0;
- return min(spi->size, EFX_ETHTOOL_EEPROM_MAX) -
- min(spi->size, EFX_ETHTOOL_EEPROM_MIN);
+ return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) -
+ min(spi->size, EFX_EEPROM_BOOTCONFIG_START);
}
static int efx_ethtool_get_eeprom(struct net_device *net_dev,
@@ -557,8 +554,10 @@ static int efx_ethtool_get_eeprom(struct net_device *net_dev,
size_t len;
int rc;
- rc = falcon_spi_read(spi, eeprom->offset + EFX_ETHTOOL_EEPROM_MIN,
+ mutex_lock(&efx->spi_lock);
+ rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
eeprom->len, &len, buf);
+ mutex_unlock(&efx->spi_lock);
eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC;
eeprom->len = len;
return rc;
@@ -575,8 +574,10 @@ static int efx_ethtool_set_eeprom(struct net_device *net_dev,
if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC)
return -EINVAL;
- rc = falcon_spi_write(spi, eeprom->offset + EFX_ETHTOOL_EEPROM_MIN,
+ mutex_lock(&efx->spi_lock);
+ rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
eeprom->len, &len, buf);
+ mutex_unlock(&efx->spi_lock);
eeprom->len = len;
return rc;
}
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 31ed1f49de00..71e0bed60616 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1628,9 +1628,9 @@ static int falcon_spi_wait(struct efx_nic *efx)
}
}
-static int falcon_spi_cmd(const struct efx_spi_device *spi,
- unsigned int command, int address,
- const void *in, void *out, unsigned int len)
+int falcon_spi_cmd(const struct efx_spi_device *spi,
+ unsigned int command, int address,
+ const void *in, void *out, unsigned int len)
{
struct efx_nic *efx = spi->efx;
bool addressed = (address >= 0);
@@ -1641,6 +1641,7 @@ static int falcon_spi_cmd(const struct efx_spi_device *spi,
/* Input validation */
if (len > FALCON_SPI_MAX_LEN)
return -EINVAL;
+ BUG_ON(!mutex_is_locked(&efx->spi_lock));
/* Check SPI not currently being accessed */
rc = falcon_spi_wait(efx);
@@ -1699,8 +1700,7 @@ efx_spi_munge_command(const struct efx_spi_device *spi,
return command | (((address >> 8) & spi->munge_address) << 3);
}
-
-static int falcon_spi_fast_wait(const struct efx_spi_device *spi)
+int falcon_spi_fast_wait(const struct efx_spi_device *spi)
{
u8 status;
int i, rc;
@@ -2253,13 +2253,15 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
__le16 *word, *limit;
u32 csum;
- region = kmalloc(NVCONFIG_END, GFP_KERNEL);
+ region = kmalloc(FALCON_NVCONFIG_END, GFP_KERNEL);
if (!region)
return -ENOMEM;
nvconfig = region + NVCONFIG_OFFSET;
spi = efx->spi_flash ? efx->spi_flash : efx->spi_eeprom;
- rc = falcon_spi_read(spi, 0, NVCONFIG_END, NULL, region);
+ mutex_lock(&efx->spi_lock);
+ rc = falcon_spi_read(spi, 0, FALCON_NVCONFIG_END, NULL, region);
+ mutex_unlock(&efx->spi_lock);
if (rc) {
EFX_ERR(efx, "Failed to read %s\n",
efx->spi_flash ? "flash" : "EEPROM");
@@ -2283,7 +2285,7 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
limit = (__le16 *) (nvconfig + 1);
} else {
word = region;
- limit = region + NVCONFIG_END;
+ limit = region + FALCON_NVCONFIG_END;
}
for (csum = 0; word < limit; ++word)
csum += le16_to_cpu(*word);
@@ -2555,6 +2557,11 @@ static int falcon_spi_device_init(struct efx_nic *efx,
SPI_DEV_TYPE_FIELD(device_type, SPI_DEV_TYPE_ADDR_LEN);
spi_device->munge_address = (spi_device->size == 1 << 9 &&
spi_device->addr_len == 1);
+ spi_device->erase_command =
+ SPI_DEV_TYPE_FIELD(device_type, SPI_DEV_TYPE_ERASE_CMD);
+ spi_device->erase_size =
+ 1 << SPI_DEV_TYPE_FIELD(device_type,
+ SPI_DEV_TYPE_ERASE_SIZE);
spi_device->block_size =
1 << SPI_DEV_TYPE_FIELD(device_type,
SPI_DEV_TYPE_BLOCK_SIZE);
diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h
index 5d584b0dbb51..040e70ed4ec7 100644
--- a/drivers/net/sfc/falcon_hwdefs.h
+++ b/drivers/net/sfc/falcon_hwdefs.h
@@ -1150,7 +1150,6 @@ struct falcon_nvconfig_board_v3 {
(((type) >> EFX_LOW_BIT(field)) & EFX_MASK32(EFX_WIDTH(field)))
#define NVCONFIG_OFFSET 0x300
-#define NVCONFIG_END 0x400
#define NVCONFIG_BOARD_MAGIC_NUM 0xFA1C
struct falcon_nvconfig {
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 003e48dcb2f3..19e25210b687 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -260,6 +260,41 @@ void mdio_clause45_phy_reconfigure(struct efx_nic *efx)
MDIO_MMDREG_CTRL1, ctrl2);
}
+static void mdio_clause45_set_mmd_lpower(struct efx_nic *efx,
+ int lpower, int mmd)
+{
+ int phy = efx->mii.phy_id;
+ int stat = mdio_clause45_read(efx, phy, mmd, MDIO_MMDREG_STAT1);
+ int ctrl1, ctrl2;
+
+ EFX_TRACE(efx, "Setting low power mode for MMD %d to %d\n",
+ mmd, lpower);
+
+ if (stat & (1 << MDIO_MMDREG_STAT1_LPABLE_LBN)) {
+ ctrl1 = ctrl2 = mdio_clause45_read(efx, phy,
+ mmd, MDIO_MMDREG_CTRL1);
+ if (lpower)
+ ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LPOWER_LBN);
+ else
+ ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LPOWER_LBN);
+ if (ctrl1 != ctrl2)
+ mdio_clause45_write(efx, phy, mmd,
+ MDIO_MMDREG_CTRL1, ctrl2);
+ }
+}
+
+void mdio_clause45_set_mmds_lpower(struct efx_nic *efx,
+ int low_power, unsigned int mmd_mask)
+{
+ int mmd = 0;
+ while (mmd_mask) {
+ if (mmd_mask & 1)
+ mdio_clause45_set_mmd_lpower(efx, low_power, mmd);
+ mmd_mask = (mmd_mask >> 1);
+ mmd++;
+ }
+}
+
/**
* mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO.
* @efx: Efx NIC
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h
index 19c42eaf7fb4..db9f358349c6 100644
--- a/drivers/net/sfc/mdio_10g.h
+++ b/drivers/net/sfc/mdio_10g.h
@@ -54,6 +54,9 @@
/* Loopback bit for WIS, PCS, PHYSX and DTEXS */
#define MDIO_MMDREG_CTRL1_LBACK_LBN (14)
#define MDIO_MMDREG_CTRL1_LBACK_WIDTH (1)
+/* Low power */
+#define MDIO_MMDREG_CTRL1_LPOWER_LBN (11)
+#define MDIO_MMDREG_CTRL1_LPOWER_WIDTH (1)
/* Bits in MMDREG_STAT1 */
#define MDIO_MMDREG_STAT1_FAULT_LBN (7)
@@ -240,6 +243,10 @@ extern void mdio_clause45_transmit_disable(struct efx_nic *efx);
/* Generic part of reconfigure: set/clear loopback bits */
extern void mdio_clause45_phy_reconfigure(struct efx_nic *efx);
+/* Set the power state of the specified MMDs */
+extern void mdio_clause45_set_mmds_lpower(struct efx_nic *efx,
+ int low_power, unsigned int mmd_mask);
+
/* Read (some of) the PHY settings over MDIO */
extern void mdio_clause45_get_settings(struct efx_nic *efx,
struct ethtool_cmd *ecmd);
diff --git a/drivers/net/sfc/mtd.c b/drivers/net/sfc/mtd.c
new file mode 100644
index 000000000000..a1e6c2875fc0
--- /dev/null
+++ b/drivers/net/sfc/mtd.c
@@ -0,0 +1,268 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2005-2006 Fen Systems Ltd.
+ * Copyright 2006-2008 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include <linux/module.h>
+#include <linux/mtd/mtd.h>
+#include <linux/delay.h>
+
+#define EFX_DRIVER_NAME "sfc_mtd"
+#include "net_driver.h"
+#include "spi.h"
+
+#define EFX_SPI_VERIFY_BUF_LEN 16
+
+struct efx_mtd {
+ const struct efx_spi_device *spi;
+ struct mtd_info mtd;
+ char name[IFNAMSIZ + 20];
+};
+
+/* SPI utilities */
+
+static int efx_spi_slow_wait(struct efx_mtd *efx_mtd, bool uninterruptible)
+{
+ const struct efx_spi_device *spi = efx_mtd->spi;
+ struct efx_nic *efx = spi->efx;
+ u8 status;
+ int rc, i;
+
+ /* Wait up to 4s for flash/EEPROM to finish a slow operation. */
+ for (i = 0; i < 40; i++) {
+ __set_current_state(uninterruptible ?
+ TASK_UNINTERRUPTIBLE : TASK_INTERRUPTIBLE);
+ schedule_timeout(HZ / 10);
+ rc = falcon_spi_cmd(spi, SPI_RDSR, -1, NULL,
+ &status, sizeof(status));
+ if (rc)
+ return rc;
+ if (!(status & SPI_STATUS_NRDY))
+ return 0;
+ if (signal_pending(current))
+ return -EINTR;
+ }
+ EFX_ERR(efx, "timed out waiting for %s\n", efx_mtd->name);
+ return -ETIMEDOUT;
+}
+
+static int efx_spi_unlock(const struct efx_spi_device *spi)
+{
+ const u8 unlock_mask = (SPI_STATUS_BP2 | SPI_STATUS_BP1 |
+ SPI_STATUS_BP0);
+ u8 status;
+ int rc;
+
+ rc = falcon_spi_cmd(spi, SPI_RDSR, -1, NULL, &status, sizeof(status));
+ if (rc)
+ return rc;
+
+ if (!(status & unlock_mask))
+ return 0; /* already unlocked */
+
+ rc = falcon_spi_cmd(spi, SPI_WREN, -1, NULL, NULL, 0);
+ if (rc)
+ return rc;
+ rc = falcon_spi_cmd(spi, SPI_SST_EWSR, -1, NULL, NULL, 0);
+ if (rc)
+ return rc;
+
+ status &= ~unlock_mask;
+ rc = falcon_spi_cmd(spi, SPI_WRSR, -1, &status, NULL, sizeof(status));
+ if (rc)
+ return rc;
+ rc = falcon_spi_fast_wait(spi);
+ if (rc)
+ return rc;
+
+ return 0;
+}
+
+static int efx_spi_erase(struct efx_mtd *efx_mtd, loff_t start, size_t len)
+{
+ const struct efx_spi_device *spi = efx_mtd->spi;
+ unsigned pos, block_len;
+ u8 empty[EFX_SPI_VERIFY_BUF_LEN];
+ u8 buffer[EFX_SPI_VERIFY_BUF_LEN];
+ int rc;
+
+ if (len != spi->erase_size)
+ return -EINVAL;
+
+ if (spi->erase_command == 0)
+ return -EOPNOTSUPP;
+
+ rc = efx_spi_unlock(spi);
+ if (rc)
+ return rc;
+ rc = falcon_spi_cmd(spi, SPI_WREN, -1, NULL, NULL, 0);
+ if (rc)
+ return rc;
+ rc = falcon_spi_cmd(spi, spi->erase_command, start, NULL, NULL, 0);
+ if (rc)
+ return rc;
+ rc = efx_spi_slow_wait(efx_mtd, false);
+
+ /* Verify the entire region has been wiped */
+ memset(empty, 0xff, sizeof(empty));
+ for (pos = 0; pos < len; pos += block_len) {
+ block_len = min(len - pos, sizeof(buffer));
+ rc = falcon_spi_read(spi, start + pos, block_len, NULL, buffer);
+ if (rc)
+ return rc;
+ if (memcmp(empty, buffer, block_len))
+ return -EIO;
+
+ /* Avoid locking up the system */
+ cond_resched();
+ if (signal_pending(current))
+ return -EINTR;
+ }
+
+ return rc;
+}
+
+/* MTD interface */
+
+static int efx_mtd_read(struct mtd_info *mtd, loff_t start, size_t len,
+ size_t *retlen, u8 *buffer)
+{
+ struct efx_mtd *efx_mtd = mtd->priv;
+ const struct efx_spi_device *spi = efx_mtd->spi;
+ struct efx_nic *efx = spi->efx;
+ int rc;
+
+ rc = mutex_lock_interruptible(&efx->spi_lock);
+ if (rc)
+ return rc;
+ rc = falcon_spi_read(spi, FALCON_FLASH_BOOTCODE_START + start,
+ len, retlen, buffer);
+ mutex_unlock(&efx->spi_lock);
+ return rc;
+}
+
+static int efx_mtd_erase(struct mtd_info *mtd, struct erase_info *erase)
+{
+ struct efx_mtd *efx_mtd = mtd->priv;
+ struct efx_nic *efx = efx_mtd->spi->efx;
+ int rc;
+
+ rc = mutex_lock_interruptible(&efx->spi_lock);
+ if (rc)
+ return rc;
+ rc = efx_spi_erase(efx_mtd, FALCON_FLASH_BOOTCODE_START + erase->addr,
+ erase->len);
+ mutex_unlock(&efx->spi_lock);
+
+ if (rc == 0) {
+ erase->state = MTD_ERASE_DONE;
+ } else {
+ erase->state = MTD_ERASE_FAILED;
+ erase->fail_addr = 0xffffffff;
+ }
+ mtd_erase_callback(erase);
+ return rc;
+}
+
+static int efx_mtd_write(struct mtd_info *mtd, loff_t start,
+ size_t len, size_t *retlen, const u8 *buffer)
+{
+ struct efx_mtd *efx_mtd = mtd->priv;
+ const struct efx_spi_device *spi = efx_mtd->spi;
+ struct efx_nic *efx = spi->efx;
+ int rc;
+
+ rc = mutex_lock_interruptible(&efx->spi_lock);
+ if (rc)
+ return rc;
+ rc = falcon_spi_write(spi, FALCON_FLASH_BOOTCODE_START + start,
+ len, retlen, buffer);
+ mutex_unlock(&efx->spi_lock);
+ return rc;
+}
+
+static void efx_mtd_sync(struct mtd_info *mtd)
+{
+ struct efx_mtd *efx_mtd = mtd->priv;
+ struct efx_nic *efx = efx_mtd->spi->efx;
+ int rc;
+
+ mutex_lock(&efx->spi_lock);
+ rc = efx_spi_slow_wait(efx_mtd, true);
+ mutex_unlock(&efx->spi_lock);
+
+ if (rc)
+ EFX_ERR(efx, "%s sync failed (%d)\n", efx_mtd->name, rc);
+ return;
+}
+
+void efx_mtd_remove(struct efx_nic *efx)
+{
+ if (efx->spi_flash && efx->spi_flash->mtd) {
+ struct efx_mtd *efx_mtd = efx->spi_flash->mtd;
+ int rc;
+
+ for (;;) {
+ rc = del_mtd_device(&efx_mtd->mtd);
+ if (rc != -EBUSY)
+ break;
+ ssleep(1);
+ }
+ WARN_ON(rc);
+ kfree(efx_mtd);
+ }
+}
+
+void efx_mtd_rename(struct efx_nic *efx)
+{
+ if (efx->spi_flash && efx->spi_flash->mtd) {
+ struct efx_mtd *efx_mtd = efx->spi_flash->mtd;
+ snprintf(efx_mtd->name, sizeof(efx_mtd->name),
+ "%s sfc_flash_bootrom", efx->name);
+ }
+}
+
+int efx_mtd_probe(struct efx_nic *efx)
+{
+ struct efx_spi_device *spi = efx->spi_flash;
+ struct efx_mtd *efx_mtd;
+
+ if (!spi || spi->size <= FALCON_FLASH_BOOTCODE_START)
+ return -ENODEV;
+
+ efx_mtd = kzalloc(sizeof(*efx_mtd), GFP_KERNEL);
+ if (!efx_mtd)
+ return -ENOMEM;
+
+ efx_mtd->spi = spi;
+ spi->mtd = efx_mtd;
+
+ efx_mtd->mtd.type = MTD_NORFLASH;
+ efx_mtd->mtd.flags = MTD_CAP_NORFLASH;
+ efx_mtd->mtd.size = spi->size - FALCON_FLASH_BOOTCODE_START;
+ efx_mtd->mtd.erasesize = spi->erase_size;
+ efx_mtd->mtd.writesize = 1;
+ efx_mtd_rename(efx);
+
+ efx_mtd->mtd.owner = THIS_MODULE;
+ efx_mtd->mtd.priv = efx_mtd;
+ efx_mtd->mtd.name = efx_mtd->name;
+ efx_mtd->mtd.erase = efx_mtd_erase;
+ efx_mtd->mtd.read = efx_mtd_read;
+ efx_mtd->mtd.write = efx_mtd_write;
+ efx_mtd->mtd.sync = efx_mtd_sync;
+
+ if (add_mtd_device(&efx_mtd->mtd)) {
+ kfree(efx_mtd);
+ spi->mtd = NULL;
+ /* add_mtd_device() returns 1 if the MTD table is full */
+ return -ENOMEM;
+ }
+
+ return 0;
+}
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index cdb11fad6050..e596c9a6a4c4 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -414,6 +414,7 @@ struct efx_blinker {
* @init_leds: Sets up board LEDs
* @set_fault_led: Turns the fault LED on or off
* @blink: Starts/stops blinking
+ * @monitor: Board-specific health check function
* @fini: Cleanup function
* @blinker: used to blink LEDs in software
* @hwmon_client: I2C client for hardware monitor
@@ -428,6 +429,7 @@ struct efx_board {
* have a separate init callback that happens later than
* board init. */
int (*init_leds)(struct efx_nic *efx);
+ int (*monitor) (struct efx_nic *nic);
void (*set_fault_led) (struct efx_nic *efx, bool state);
void (*blink) (struct efx_nic *efx, bool start);
void (*fini) (struct efx_nic *nic);
@@ -525,11 +527,15 @@ struct efx_phy_operations {
* @enum efx_phy_mode - PHY operating mode flags
* @PHY_MODE_NORMAL: on and should pass traffic
* @PHY_MODE_TX_DISABLED: on with TX disabled
+ * @PHY_MODE_LOW_POWER: set to low power through MDIO
+ * @PHY_MODE_OFF: switched off through external control
* @PHY_MODE_SPECIAL: on but will not pass traffic
*/
enum efx_phy_mode {
PHY_MODE_NORMAL = 0,
PHY_MODE_TX_DISABLED = 1,
+ PHY_MODE_LOW_POWER = 2,
+ PHY_MODE_OFF = 4,
PHY_MODE_SPECIAL = 8,
};
@@ -655,6 +661,7 @@ union efx_multicast_hash {
* This field will be %NULL if no flash device is present.
* @spi_eeprom: SPI EEPROM device
* This field will be %NULL if no EEPROM device is present.
+ * @spi_lock: SPI bus lock
* @n_rx_nodesc_drop_cnt: RX no descriptor drop count
* @nic_data: Hardware dependant state
* @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode,
@@ -731,6 +738,7 @@ struct efx_nic {
struct efx_spi_device *spi_flash;
struct efx_spi_device *spi_eeprom;
+ struct mutex spi_lock;
unsigned n_rx_nodesc_drop_cnt;
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 0f805da4ce55..b8ba4bbad889 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -752,7 +752,7 @@ void __efx_rx_packet(struct efx_channel *channel,
channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
done:
- efx->net_dev->last_rx = jiffies;
+ ;
}
void efx_rx_strategy(struct efx_channel *channel)
diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c
index fe4e3fd22330..aa576c559ec8 100644
--- a/drivers/net/sfc/sfe4001.c
+++ b/drivers/net/sfc/sfe4001.c
@@ -21,6 +21,7 @@
#include "falcon_hwdefs.h"
#include "falcon_io.h"
#include "mac.h"
+#include "workarounds.h"
/**************************************************************************
*
@@ -65,48 +66,9 @@
#define P1_SPARE_LBN 4
#define P1_SPARE_WIDTH 4
-
-/**************************************************************************
- *
- * Temperature Sensor
- *
- **************************************************************************/
-#define MAX6647 0x4e
-
-#define RLTS 0x00
-#define RLTE 0x01
-#define RSL 0x02
-#define RCL 0x03
-#define RCRA 0x04
-#define RLHN 0x05
-#define RLLI 0x06
-#define RRHI 0x07
-#define RRLS 0x08
-#define WCRW 0x0a
-#define WLHO 0x0b
-#define WRHA 0x0c
-#define WRLN 0x0e
-#define OSHT 0x0f
-#define REET 0x10
-#define RIET 0x11
-#define RWOE 0x19
-#define RWOI 0x20
-#define HYS 0x21
-#define QUEUE 0x22
-#define MFID 0xfe
-#define REVID 0xff
-
-/* Status bits */
-#define MAX6647_BUSY (1 << 7) /* ADC is converting */
-#define MAX6647_LHIGH (1 << 6) /* Local high temp. alarm */
-#define MAX6647_LLOW (1 << 5) /* Local low temp. alarm */
-#define MAX6647_RHIGH (1 << 4) /* Remote high temp. alarm */
-#define MAX6647_RLOW (1 << 3) /* Remote low temp. alarm */
-#define MAX6647_FAULT (1 << 2) /* DXN/DXP short/open circuit */
-#define MAX6647_EOT (1 << 1) /* Remote junction overtemp. */
-#define MAX6647_IOT (1 << 0) /* Local junction overtemp. */
-
-static const u8 xgphy_max_temperature = 90;
+/* Temperature Sensor */
+#define MAX664X_REG_RSL 0x02
+#define MAX664X_REG_WLHO 0x0B
static void sfe4001_poweroff(struct efx_nic *efx)
{
@@ -119,7 +81,7 @@ static void sfe4001_poweroff(struct efx_nic *efx)
i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0xff);
/* Clear any over-temperature alert */
- i2c_smbus_read_byte_data(hwmon_client, RSL);
+ i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL);
}
static int sfe4001_poweron(struct efx_nic *efx)
@@ -131,7 +93,7 @@ static int sfe4001_poweron(struct efx_nic *efx)
u8 out;
/* Clear any previous over-temperature alert */
- rc = i2c_smbus_read_byte_data(hwmon_client, RSL);
+ rc = i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL);
if (rc < 0)
return rc;
@@ -209,6 +171,34 @@ fail_on:
return rc;
}
+static int sfe4001_check_hw(struct efx_nic *efx)
+{
+ s32 status;
+
+ /* If XAUI link is up then do not monitor */
+ if (EFX_WORKAROUND_7884(efx) && falcon_xaui_link_ok(efx))
+ return 0;
+
+ /* Check the powered status of the PHY. Lack of power implies that
+ * the MAX6647 has shut down power to it, probably due to a temp.
+ * alarm. Reading the power status rather than the MAX6647 status
+ * directly because the later is read-to-clear and would thus
+ * start to power up the PHY again when polled, causing us to blip
+ * the power undesirably.
+ * We know we can read from the IO expander because we did
+ * it during power-on. Assume failure now is bad news. */
+ status = i2c_smbus_read_byte_data(efx->board_info.ioexp_client, P1_IN);
+ if (status >= 0 &&
+ (status & ((1 << P1_AFE_PWD_LBN) | (1 << P1_DSP_PWD25_LBN))) != 0)
+ return 0;
+
+ /* Use board power control, not PHY power control */
+ sfe4001_poweroff(efx);
+ efx->phy_mode = PHY_MODE_OFF;
+
+ return (status < 0) ? -EIO : -ERANGE;
+}
+
/* On SFE4001 rev A2 and later, we can control the FLASH_CFG_1 pin
* using the 3V3X output of the IO-expander. Allow the user to set
* this when the device is stopped, and keep it stopped then.
@@ -261,35 +251,34 @@ static void sfe4001_fini(struct efx_nic *efx)
i2c_unregister_device(efx->board_info.hwmon_client);
}
+static struct i2c_board_info sfe4001_hwmon_info = {
+ I2C_BOARD_INFO("max6647", 0x4e),
+ .irq = -1,
+};
+
/* This board uses an I2C expander to provider power to the PHY, which needs to
* be turned on before the PHY can be used.
* Context: Process context, rtnl lock held
*/
int sfe4001_init(struct efx_nic *efx)
{
- struct i2c_client *hwmon_client;
int rc;
- hwmon_client = i2c_new_dummy(&efx->i2c_adap, MAX6647);
- if (!hwmon_client)
+#if defined(CONFIG_SENSORS_LM90) || defined(CONFIG_SENSORS_LM90_MODULE)
+ efx->board_info.hwmon_client =
+ i2c_new_device(&efx->i2c_adap, &sfe4001_hwmon_info);
+#else
+ efx->board_info.hwmon_client =
+ i2c_new_dummy(&efx->i2c_adap, sfe4001_hwmon_info.addr);
+#endif
+ if (!efx->board_info.hwmon_client)
return -EIO;
- efx->board_info.hwmon_client = hwmon_client;
- /* Set DSP over-temperature alert threshold */
- EFX_INFO(efx, "DSP cut-out at %dC\n", xgphy_max_temperature);
- rc = i2c_smbus_write_byte_data(hwmon_client, WLHO,
- xgphy_max_temperature);
+ /* Raise board/PHY high limit from 85 to 90 degrees Celsius */
+ rc = i2c_smbus_write_byte_data(efx->board_info.hwmon_client,
+ MAX664X_REG_WLHO, 90);
if (rc)
- goto fail_ioexp;
-
- /* Read it back and verify */
- rc = i2c_smbus_read_byte_data(hwmon_client, RLHN);
- if (rc < 0)
- goto fail_ioexp;
- if (rc != xgphy_max_temperature) {
- rc = -EFAULT;
- goto fail_ioexp;
- }
+ goto fail_hwmon;
efx->board_info.ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539);
if (!efx->board_info.ioexp_client) {
@@ -301,6 +290,7 @@ int sfe4001_init(struct efx_nic *efx)
* blink code. */
efx->board_info.blink = tenxpress_phy_blink;
+ efx->board_info.monitor = sfe4001_check_hw;
efx->board_info.fini = sfe4001_fini;
rc = sfe4001_poweron(efx);
@@ -319,6 +309,6 @@ fail_on:
fail_ioexp:
i2c_unregister_device(efx->board_info.ioexp_client);
fail_hwmon:
- i2c_unregister_device(hwmon_client);
+ i2c_unregister_device(efx->board_info.hwmon_client);
return rc;
}
diff --git a/drivers/net/sfc/spi.h b/drivers/net/sfc/spi.h
index feef61942377..c4aca132348a 100644
--- a/drivers/net/sfc/spi.h
+++ b/drivers/net/sfc/spi.h
@@ -25,6 +25,7 @@
#define SPI_WRDI 0x04 /* Reset write enable latch */
#define SPI_RDSR 0x05 /* Read status register */
#define SPI_WREN 0x06 /* Set write enable latch */
+#define SPI_SST_EWSR 0x50 /* SST: Enable write to status register */
#define SPI_STATUS_WPEN 0x80 /* Write-protect pin enabled */
#define SPI_STATUS_BP2 0x10 /* Block protection bit 2 */
@@ -36,6 +37,7 @@
/**
* struct efx_spi_device - an Efx SPI (Serial Peripheral Interface) device
* @efx: The Efx controller that owns this device
+ * @mtd: MTD state
* @device_id: Controller's id for the device
* @size: Size (in bytes)
* @addr_len: Number of address bytes in read/write commands
@@ -44,23 +46,51 @@
* use bit 3 of the command byte as address bit A8, rather
* than having a two-byte address. If this flag is set, then
* commands should be munged in this way.
+ * @erase_command: Erase command (or 0 if sector erase not needed).
+ * @erase_size: Erase sector size (in bytes)
+ * Erase commands affect sectors with this size and alignment.
+ * This must be a power of two.
* @block_size: Write block size (in bytes).
* Write commands are limited to blocks with this size and alignment.
- * @read: Read function for the device
- * @write: Write function for the device
*/
struct efx_spi_device {
struct efx_nic *efx;
+#ifdef CONFIG_SFC_MTD
+ void *mtd;
+#endif
int device_id;
unsigned int size;
unsigned int addr_len;
unsigned int munge_address:1;
+ u8 erase_command;
+ unsigned int erase_size;
unsigned int block_size;
};
+int falcon_spi_cmd(const struct efx_spi_device *spi, unsigned int command,
+ int address, const void* in, void *out, unsigned int len);
+int falcon_spi_fast_wait(const struct efx_spi_device *spi);
int falcon_spi_read(const struct efx_spi_device *spi, loff_t start,
size_t len, size_t *retlen, u8 *buffer);
int falcon_spi_write(const struct efx_spi_device *spi, loff_t start,
size_t len, size_t *retlen, const u8 *buffer);
+/*
+ * SFC4000 flash is partitioned into:
+ * 0-0x400 chip and board config (see falcon_hwdefs.h)
+ * 0x400-0x8000 unused (or may contain VPD if EEPROM not present)
+ * 0x8000-end boot code (mapped to PCI expansion ROM)
+ * SFC4000 small EEPROM (size < 0x400) is used for VPD only.
+ * SFC4000 large EEPROM (size >= 0x400) is partitioned into:
+ * 0-0x400 chip and board config
+ * configurable VPD
+ * 0x800-0x1800 boot config
+ * Aside from the chip and board config, all of these are optional and may
+ * be absent or truncated depending on the devices used.
+ */
+#define FALCON_NVCONFIG_END 0x400U
+#define FALCON_FLASH_BOOTCODE_START 0x8000U
+#define EFX_EEPROM_BOOTCONFIG_START 0x800U
+#define EFX_EEPROM_BOOTCONFIG_END 0x1800U
+
#endif /* EFX_SPI_H */
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index d507c93d666e..8d41c29b9d7b 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -376,6 +376,7 @@ static int tenxpress_phy_check_hw(struct efx_nic *efx)
{
struct tenxpress_phy_data *phy_data = efx->phy_data;
bool link_ok;
+ int rc = 0;
link_ok = tenxpress_link_ok(efx, true);
@@ -391,7 +392,22 @@ static int tenxpress_phy_check_hw(struct efx_nic *efx)
atomic_set(&phy_data->bad_crc_count, 0);
}
- return 0;
+ rc = efx->board_info.monitor(efx);
+ if (rc) {
+ EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
+ (rc == -ERANGE) ? "reported fault" : "failed");
+ if (efx->phy_mode & PHY_MODE_OFF) {
+ /* Assume that board has shut PHY off */
+ phy_data->phy_mode = PHY_MODE_OFF;
+ } else {
+ efx->phy_mode |= PHY_MODE_LOW_POWER;
+ mdio_clause45_set_mmds_lpower(efx, true,
+ efx->phy_op->mmds);
+ phy_data->phy_mode |= PHY_MODE_LOW_POWER;
+ }
+ }
+
+ return rc;
}
static void tenxpress_phy_fini(struct efx_nic *efx)
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index fa7b49d69288..ec50b90f4285 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -22,6 +22,8 @@
#define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS
/* RX PCIe double split performance issue */
#define EFX_WORKAROUND_7575 EFX_WORKAROUND_ALWAYS
+/* Bit-bashed I2C reads cause performance drop */
+#define EFX_WORKAROUND_7884 EFX_WORKAROUND_ALWAYS
/* TX pkt parser problem with <= 16 byte TXes */
#define EFX_WORKAROUND_9141 EFX_WORKAROUND_ALWAYS
/* Low rate CRC errors require XAUI reset */
diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c
index 276151df3a70..91f024662101 100644
--- a/drivers/net/sfc/xfp_phy.c
+++ b/drivers/net/sfc/xfp_phy.c
@@ -128,6 +128,15 @@ static int xfp_phy_check_hw(struct efx_nic *efx)
if (link_up != efx->link_up)
falcon_xmac_sim_phy_event(efx);
+ rc = efx->board_info.monitor(efx);
+ if (rc) {
+ struct xfp_phy_data *phy_data = efx->phy_data;
+ EFX_ERR(efx, "XFP sensor alert; putting PHY into low power\n");
+ efx->phy_mode |= PHY_MODE_LOW_POWER;
+ mdio_clause45_set_mmds_lpower(efx, 1, XFP_REQUIRED_DEVS);
+ phy_data->phy_mode |= PHY_MODE_LOW_POWER;
+ }
+
return rc;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-15 18:14:11 +0300