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/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
2011-02-23 09:58:39 +00:00
Copyright ( c ) 1999 - 2011 Intel Corporation .
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This program is free software ; you can redistribute it and / or modify it
under the terms and conditions of the GNU General Public License ,
version 2 , as published by the Free Software Foundation .
This program is distributed in the hope it will be useful , but WITHOUT
ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License for
more details .
You should have received a copy of the GNU General Public License along with
this program ; if not , write to the Free Software Foundation , Inc . ,
51 Franklin St - Fifth Floor , Boston , MA 02110 - 1301 USA .
The full GNU General Public License is included in this distribution in
the file called " COPYING " .
Contact Information :
e1000 - devel Mailing List < e1000 - devel @ lists . sourceforge . net >
Intel Corporation , 5200 N . E . Elam Young Parkway , Hillsboro , OR 97124 - 6497
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
# include <linux/pci.h>
# include <linux/delay.h>
# include <linux/sched.h>
# include "ixgbe.h"
# include "ixgbe_phy.h"
# define IXGBE_X540_MAX_TX_QUEUES 128
# define IXGBE_X540_MAX_RX_QUEUES 128
# define IXGBE_X540_RAR_ENTRIES 128
# define IXGBE_X540_MC_TBL_SIZE 128
# define IXGBE_X540_VFT_TBL_SIZE 128
static s32 ixgbe_update_flash_X540 ( struct ixgbe_hw * hw ) ;
static s32 ixgbe_poll_flash_update_done_X540 ( struct ixgbe_hw * hw ) ;
static s32 ixgbe_acquire_swfw_sync_X540 ( struct ixgbe_hw * hw , u16 mask ) ;
static void ixgbe_release_swfw_sync_X540 ( struct ixgbe_hw * hw , u16 mask ) ;
static s32 ixgbe_get_swfw_sync_semaphore ( struct ixgbe_hw * hw ) ;
static void ixgbe_release_swfw_sync_semaphore ( struct ixgbe_hw * hw ) ;
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static enum ixgbe_media_type ixgbe_get_media_type_X540 ( struct ixgbe_hw * hw )
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{
return ixgbe_media_type_copper ;
}
static s32 ixgbe_get_invariants_X540 ( struct ixgbe_hw * hw )
{
struct ixgbe_mac_info * mac = & hw - > mac ;
/* Call PHY identify routine to get the phy type */
ixgbe_identify_phy_generic ( hw ) ;
mac - > mcft_size = IXGBE_X540_MC_TBL_SIZE ;
mac - > vft_size = IXGBE_X540_VFT_TBL_SIZE ;
mac - > num_rar_entries = IXGBE_X540_RAR_ENTRIES ;
mac - > max_rx_queues = IXGBE_X540_MAX_RX_QUEUES ;
mac - > max_tx_queues = IXGBE_X540_MAX_TX_QUEUES ;
mac - > max_msix_vectors = ixgbe_get_pcie_msix_count_generic ( hw ) ;
return 0 ;
}
/**
* ixgbe_setup_mac_link_X540 - Set the auto advertised capabilitires
* @ hw : pointer to hardware structure
* @ speed : new link speed
* @ autoneg : true if autonegotiation enabled
* @ autoneg_wait_to_complete : true when waiting for completion is needed
* */
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static s32 ixgbe_setup_mac_link_X540 ( struct ixgbe_hw * hw ,
ixgbe_link_speed speed , bool autoneg ,
bool autoneg_wait_to_complete )
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{
return hw - > phy . ops . setup_link_speed ( hw , speed , autoneg ,
autoneg_wait_to_complete ) ;
}
/**
* ixgbe_reset_hw_X540 - Perform hardware reset
* @ hw : pointer to hardware structure
*
* Resets the hardware by resetting the transmit and receive units , masks
* and clears all interrupts , perform a PHY reset , and perform a link ( MAC )
* reset .
* */
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static s32 ixgbe_reset_hw_X540 ( struct ixgbe_hw * hw )
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{
ixgbe_link_speed link_speed ;
s32 status = 0 ;
u32 ctrl ;
u32 ctrl_ext ;
u32 reset_bit ;
u32 i ;
u32 autoc ;
u32 autoc2 ;
bool link_up = false ;
/* Call adapter stop to disable tx/rx and clear interrupts */
hw - > mac . ops . stop_adapter ( hw ) ;
/*
* Prevent the PCI - E bus from from hanging by disabling PCI - E master
* access and verify no pending requests before reset
*/
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ixgbe_disable_pcie_master ( hw ) ;
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mac_reset_top :
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/*
* Issue global reset to the MAC . Needs to be SW reset if link is up .
* If link reset is used when link is up , it might reset the PHY when
* mng is using it . If link is down or the flag to force full link
* reset is set , then perform link reset .
*/
if ( hw - > force_full_reset ) {
reset_bit = IXGBE_CTRL_LNK_RST ;
} else {
hw - > mac . ops . check_link ( hw , & link_speed , & link_up , false ) ;
if ( ! link_up )
reset_bit = IXGBE_CTRL_LNK_RST ;
else
reset_bit = IXGBE_CTRL_RST ;
}
ctrl = IXGBE_READ_REG ( hw , IXGBE_CTRL ) ;
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IXGBE_WRITE_REG ( hw , IXGBE_CTRL , ( ctrl | reset_bit ) ) ;
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IXGBE_WRITE_FLUSH ( hw ) ;
/* Poll for reset bit to self-clear indicating reset is complete */
for ( i = 0 ; i < 10 ; i + + ) {
udelay ( 1 ) ;
ctrl = IXGBE_READ_REG ( hw , IXGBE_CTRL ) ;
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if ( ! ( ctrl & reset_bit ) )
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break ;
}
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if ( ctrl & reset_bit ) {
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status = IXGBE_ERR_RESET_FAILED ;
hw_dbg ( hw , " Reset polling failed to complete. \n " ) ;
}
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/*
* Double resets are required for recovery from certain error
* conditions . Between resets , it is necessary to stall to allow time
* for any pending HW events to complete . We use 1u sec since that is
* what is needed for ixgbe_disable_pcie_master ( ) . The second reset
* then clears out any effects of those events .
*/
if ( hw - > mac . flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED ) {
hw - > mac . flags & = ~ IXGBE_FLAGS_DOUBLE_RESET_REQUIRED ;
udelay ( 1 ) ;
goto mac_reset_top ;
}
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/* Clear PF Reset Done bit so PF/VF Mail Ops can work */
ctrl_ext = IXGBE_READ_REG ( hw , IXGBE_CTRL_EXT ) ;
ctrl_ext | = IXGBE_CTRL_EXT_PFRSTD ;
IXGBE_WRITE_REG ( hw , IXGBE_CTRL_EXT , ctrl_ext ) ;
msleep ( 50 ) ;
/* Set the Rx packet buffer size. */
IXGBE_WRITE_REG ( hw , IXGBE_RXPBSIZE ( 0 ) , 384 < < IXGBE_RXPBSIZE_SHIFT ) ;
/* Store the permanent mac address */
hw - > mac . ops . get_mac_addr ( hw , hw - > mac . perm_addr ) ;
/*
* Store the original AUTOC / AUTOC2 values if they have not been
* stored off yet . Otherwise restore the stored original
* values since the reset operation sets back to defaults .
*/
autoc = IXGBE_READ_REG ( hw , IXGBE_AUTOC ) ;
autoc2 = IXGBE_READ_REG ( hw , IXGBE_AUTOC2 ) ;
if ( hw - > mac . orig_link_settings_stored = = false ) {
hw - > mac . orig_autoc = autoc ;
hw - > mac . orig_autoc2 = autoc2 ;
hw - > mac . orig_link_settings_stored = true ;
} else {
if ( autoc ! = hw - > mac . orig_autoc )
IXGBE_WRITE_REG ( hw , IXGBE_AUTOC , ( hw - > mac . orig_autoc |
IXGBE_AUTOC_AN_RESTART ) ) ;
if ( ( autoc2 & IXGBE_AUTOC2_UPPER_MASK ) ! =
( hw - > mac . orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK ) ) {
autoc2 & = ~ IXGBE_AUTOC2_UPPER_MASK ;
autoc2 | = ( hw - > mac . orig_autoc2 &
IXGBE_AUTOC2_UPPER_MASK ) ;
IXGBE_WRITE_REG ( hw , IXGBE_AUTOC2 , autoc2 ) ;
}
}
/*
* Store MAC address from RAR0 , clear receive address registers , and
* clear the multicast table . Also reset num_rar_entries to 128 ,
* since we modify this value when programming the SAN MAC address .
*/
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hw - > mac . num_rar_entries = IXGBE_X540_MAX_TX_QUEUES ;
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hw - > mac . ops . init_rx_addrs ( hw ) ;
/* Store the permanent mac address */
hw - > mac . ops . get_mac_addr ( hw , hw - > mac . perm_addr ) ;
/* Store the permanent SAN mac address */
hw - > mac . ops . get_san_mac_addr ( hw , hw - > mac . san_addr ) ;
/* Add the SAN MAC address to the RAR only if it's a valid address */
if ( ixgbe_validate_mac_addr ( hw - > mac . san_addr ) = = 0 ) {
hw - > mac . ops . set_rar ( hw , hw - > mac . num_rar_entries - 1 ,
hw - > mac . san_addr , 0 , IXGBE_RAH_AV ) ;
/* Reserve the last RAR for the SAN MAC address */
hw - > mac . num_rar_entries - - ;
}
/* Store the alternative WWNN/WWPN prefix */
hw - > mac . ops . get_wwn_prefix ( hw , & hw - > mac . wwnn_prefix ,
& hw - > mac . wwpn_prefix ) ;
return status ;
}
/**
* ixgbe_get_supported_physical_layer_X540 - Returns physical layer type
* @ hw : pointer to hardware structure
*
* Determines physical layer capabilities of the current configuration .
* */
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static u32 ixgbe_get_supported_physical_layer_X540 ( struct ixgbe_hw * hw )
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{
u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN ;
u16 ext_ability = 0 ;
hw - > phy . ops . identify ( hw ) ;
hw - > phy . ops . read_reg ( hw , MDIO_PMA_EXTABLE , MDIO_MMD_PMAPMD ,
& ext_ability ) ;
if ( ext_ability & MDIO_PMA_EXTABLE_10GBT )
physical_layer | = IXGBE_PHYSICAL_LAYER_10GBASE_T ;
if ( ext_ability & MDIO_PMA_EXTABLE_1000BT )
physical_layer | = IXGBE_PHYSICAL_LAYER_1000BASE_T ;
if ( ext_ability & MDIO_PMA_EXTABLE_100BTX )
physical_layer | = IXGBE_PHYSICAL_LAYER_100BASE_TX ;
return physical_layer ;
}
/**
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* ixgbe_init_eeprom_params_X540 - Initialize EEPROM params
* @ hw : pointer to hardware structure
*
* Initializes the EEPROM parameters ixgbe_eeprom_info within the
* ixgbe_hw struct in order to set up EEPROM access .
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* */
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static s32 ixgbe_init_eeprom_params_X540 ( struct ixgbe_hw * hw )
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{
struct ixgbe_eeprom_info * eeprom = & hw - > eeprom ;
u32 eec ;
u16 eeprom_size ;
if ( eeprom - > type = = ixgbe_eeprom_uninitialized ) {
eeprom - > semaphore_delay = 10 ;
eeprom - > type = ixgbe_flash ;
eec = IXGBE_READ_REG ( hw , IXGBE_EEC ) ;
eeprom_size = ( u16 ) ( ( eec & IXGBE_EEC_SIZE ) > >
IXGBE_EEC_SIZE_SHIFT ) ;
eeprom - > word_size = 1 < < ( eeprom_size +
IXGBE_EEPROM_WORD_SIZE_SHIFT ) ;
hw_dbg ( hw , " Eeprom params: type = %d, size = %d \n " ,
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eeprom - > type , eeprom - > word_size ) ;
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}
return 0 ;
}
/**
* ixgbe_read_eerd_X540 - Read EEPROM word using EERD
* @ hw : pointer to hardware structure
* @ offset : offset of word in the EEPROM to read
* @ data : word read from the EERPOM
* */
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static s32 ixgbe_read_eerd_X540 ( struct ixgbe_hw * hw , u16 offset , u16 * data )
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{
s32 status ;
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if ( hw - > mac . ops . acquire_swfw_sync ( hw , IXGBE_GSSR_EEP_SM ) = = 0 )
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status = ixgbe_read_eerd_generic ( hw , offset , data ) ;
else
status = IXGBE_ERR_SWFW_SYNC ;
ixgbe_release_swfw_sync_X540 ( hw , IXGBE_GSSR_EEP_SM ) ;
return status ;
}
/**
* ixgbe_write_eewr_X540 - Write EEPROM word using EEWR
* @ hw : pointer to hardware structure
* @ offset : offset of word in the EEPROM to write
* @ data : word write to the EEPROM
*
* Write a 16 bit word to the EEPROM using the EEWR register .
* */
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static s32 ixgbe_write_eewr_X540 ( struct ixgbe_hw * hw , u16 offset , u16 data )
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{
u32 eewr ;
s32 status ;
hw - > eeprom . ops . init_params ( hw ) ;
if ( offset > = hw - > eeprom . word_size ) {
status = IXGBE_ERR_EEPROM ;
goto out ;
}
eewr = ( offset < < IXGBE_EEPROM_RW_ADDR_SHIFT ) |
( data < < IXGBE_EEPROM_RW_REG_DATA ) |
IXGBE_EEPROM_RW_REG_START ;
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if ( hw - > mac . ops . acquire_swfw_sync ( hw , IXGBE_GSSR_EEP_SM ) = = 0 ) {
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status = ixgbe_poll_eerd_eewr_done ( hw , IXGBE_NVM_POLL_WRITE ) ;
if ( status ! = 0 ) {
hw_dbg ( hw , " Eeprom write EEWR timed out \n " ) ;
goto out ;
}
IXGBE_WRITE_REG ( hw , IXGBE_EEWR , eewr ) ;
status = ixgbe_poll_eerd_eewr_done ( hw , IXGBE_NVM_POLL_WRITE ) ;
if ( status ! = 0 ) {
hw_dbg ( hw , " Eeprom write EEWR timed out \n " ) ;
goto out ;
}
} else {
status = IXGBE_ERR_SWFW_SYNC ;
}
out :
ixgbe_release_swfw_sync_X540 ( hw , IXGBE_GSSR_EEP_SM ) ;
return status ;
}
/**
* ixgbe_calc_eeprom_checksum_X540 - Calculates and returns the checksum
* @ hw : pointer to hardware structure
* */
static u16 ixgbe_calc_eeprom_checksum_X540 ( struct ixgbe_hw * hw )
{
u16 i ;
u16 j ;
u16 checksum = 0 ;
u16 length = 0 ;
u16 pointer = 0 ;
u16 word = 0 ;
/* Include 0x0-0x3F in the checksum */
for ( i = 0 ; i < IXGBE_EEPROM_CHECKSUM ; i + + ) {
if ( hw - > eeprom . ops . read ( hw , i , & word ) ! = 0 ) {
hw_dbg ( hw , " EEPROM read failed \n " ) ;
break ;
}
checksum + = word ;
}
/*
* Include all data from pointers 0x3 , 0x6 - 0xE . This excludes the
* FW , PHY module , and PCIe Expansion / Option ROM pointers .
*/
for ( i = IXGBE_PCIE_ANALOG_PTR ; i < IXGBE_FW_PTR ; i + + ) {
if ( i = = IXGBE_PHY_PTR | | i = = IXGBE_OPTION_ROM_PTR )
continue ;
if ( hw - > eeprom . ops . read ( hw , i , & pointer ) ! = 0 ) {
hw_dbg ( hw , " EEPROM read failed \n " ) ;
break ;
}
/* Skip pointer section if the pointer is invalid. */
if ( pointer = = 0xFFFF | | pointer = = 0 | |
pointer > = hw - > eeprom . word_size )
continue ;
if ( hw - > eeprom . ops . read ( hw , pointer , & length ) ! = 0 ) {
hw_dbg ( hw , " EEPROM read failed \n " ) ;
break ;
}
/* Skip pointer section if length is invalid. */
if ( length = = 0xFFFF | | length = = 0 | |
( pointer + length ) > = hw - > eeprom . word_size )
continue ;
for ( j = pointer + 1 ; j < = pointer + length ; j + + ) {
if ( hw - > eeprom . ops . read ( hw , j , & word ) ! = 0 ) {
hw_dbg ( hw , " EEPROM read failed \n " ) ;
break ;
}
checksum + = word ;
}
}
checksum = ( u16 ) IXGBE_EEPROM_SUM - checksum ;
return checksum ;
}
/**
* ixgbe_update_eeprom_checksum_X540 - Updates the EEPROM checksum and flash
* @ hw : pointer to hardware structure
*
* After writing EEPROM to shadow RAM using EEWR register , software calculates
* checksum and updates the EEPROM and instructs the hardware to update
* the flash .
* */
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static s32 ixgbe_update_eeprom_checksum_X540 ( struct ixgbe_hw * hw )
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{
s32 status ;
status = ixgbe_update_eeprom_checksum_generic ( hw ) ;
if ( status )
status = ixgbe_update_flash_X540 ( hw ) ;
return status ;
}
/**
* ixgbe_update_flash_X540 - Instruct HW to copy EEPROM to Flash device
* @ hw : pointer to hardware structure
*
* Set FLUP ( bit 23 ) of the EEC register to instruct Hardware to copy
* EEPROM from shadow RAM to the flash device .
* */
static s32 ixgbe_update_flash_X540 ( struct ixgbe_hw * hw )
{
u32 flup ;
s32 status = IXGBE_ERR_EEPROM ;
status = ixgbe_poll_flash_update_done_X540 ( hw ) ;
if ( status = = IXGBE_ERR_EEPROM ) {
hw_dbg ( hw , " Flash update time out \n " ) ;
goto out ;
}
flup = IXGBE_READ_REG ( hw , IXGBE_EEC ) | IXGBE_EEC_FLUP ;
IXGBE_WRITE_REG ( hw , IXGBE_EEC , flup ) ;
status = ixgbe_poll_flash_update_done_X540 ( hw ) ;
if ( status )
hw_dbg ( hw , " Flash update complete \n " ) ;
else
hw_dbg ( hw , " Flash update time out \n " ) ;
if ( hw - > revision_id = = 0 ) {
flup = IXGBE_READ_REG ( hw , IXGBE_EEC ) ;
if ( flup & IXGBE_EEC_SEC1VAL ) {
flup | = IXGBE_EEC_FLUP ;
IXGBE_WRITE_REG ( hw , IXGBE_EEC , flup ) ;
}
status = ixgbe_poll_flash_update_done_X540 ( hw ) ;
if ( status )
hw_dbg ( hw , " Flash update complete \n " ) ;
else
hw_dbg ( hw , " Flash update time out \n " ) ;
}
out :
return status ;
}
/**
* ixgbe_poll_flash_update_done_X540 - Poll flash update status
* @ hw : pointer to hardware structure
*
* Polls the FLUDONE ( bit 26 ) of the EEC Register to determine when the
* flash update is done .
* */
static s32 ixgbe_poll_flash_update_done_X540 ( struct ixgbe_hw * hw )
{
u32 i ;
u32 reg ;
s32 status = IXGBE_ERR_EEPROM ;
for ( i = 0 ; i < IXGBE_FLUDONE_ATTEMPTS ; i + + ) {
reg = IXGBE_READ_REG ( hw , IXGBE_EEC ) ;
if ( reg & IXGBE_EEC_FLUDONE ) {
status = 0 ;
break ;
}
udelay ( 5 ) ;
}
return status ;
}
/**
* ixgbe_acquire_swfw_sync_X540 - Acquire SWFW semaphore
* @ hw : pointer to hardware structure
* @ mask : Mask to specify which semaphore to acquire
*
* Acquires the SWFW semaphore thought the SW_FW_SYNC register for
* the specified function ( CSR , PHY0 , PHY1 , NVM , Flash )
* */
static s32 ixgbe_acquire_swfw_sync_X540 ( struct ixgbe_hw * hw , u16 mask )
{
u32 swfw_sync ;
u32 swmask = mask ;
u32 fwmask = mask < < 5 ;
u32 hwmask = 0 ;
u32 timeout = 200 ;
u32 i ;
if ( swmask = = IXGBE_GSSR_EEP_SM )
hwmask = IXGBE_GSSR_FLASH_SM ;
for ( i = 0 ; i < timeout ; i + + ) {
/*
* SW NVM semaphore bit is used for access to all
* SW_FW_SYNC bits ( not just NVM )
*/
if ( ixgbe_get_swfw_sync_semaphore ( hw ) )
return IXGBE_ERR_SWFW_SYNC ;
swfw_sync = IXGBE_READ_REG ( hw , IXGBE_SWFW_SYNC ) ;
if ( ! ( swfw_sync & ( fwmask | swmask | hwmask ) ) ) {
swfw_sync | = swmask ;
IXGBE_WRITE_REG ( hw , IXGBE_SWFW_SYNC , swfw_sync ) ;
ixgbe_release_swfw_sync_semaphore ( hw ) ;
break ;
} else {
/*
* Firmware currently using resource ( fwmask ) ,
* hardware currently using resource ( hwmask ) ,
* or other software thread currently using
* resource ( swmask )
*/
ixgbe_release_swfw_sync_semaphore ( hw ) ;
msleep ( 5 ) ;
}
}
/*
* If the resource is not released by the FW / HW the SW can assume that
* the FW / HW malfunctions . In that case the SW should sets the
* SW bit ( s ) of the requested resource ( s ) while ignoring the
* corresponding FW / HW bits in the SW_FW_SYNC register .
*/
if ( i > = timeout ) {
swfw_sync = IXGBE_READ_REG ( hw , IXGBE_SWFW_SYNC ) ;
if ( swfw_sync & ( fwmask | hwmask ) ) {
if ( ixgbe_get_swfw_sync_semaphore ( hw ) )
return IXGBE_ERR_SWFW_SYNC ;
swfw_sync | = swmask ;
IXGBE_WRITE_REG ( hw , IXGBE_SWFW_SYNC , swfw_sync ) ;
ixgbe_release_swfw_sync_semaphore ( hw ) ;
}
}
msleep ( 5 ) ;
return 0 ;
}
/**
* ixgbe_release_swfw_sync_X540 - Release SWFW semaphore
* @ hw : pointer to hardware structure
* @ mask : Mask to specify which semaphore to release
*
* Releases the SWFW semaphore throught the SW_FW_SYNC register
* for the specified function ( CSR , PHY0 , PHY1 , EVM , Flash )
* */
static void ixgbe_release_swfw_sync_X540 ( struct ixgbe_hw * hw , u16 mask )
{
u32 swfw_sync ;
u32 swmask = mask ;
ixgbe_get_swfw_sync_semaphore ( hw ) ;
swfw_sync = IXGBE_READ_REG ( hw , IXGBE_SWFW_SYNC ) ;
swfw_sync & = ~ swmask ;
IXGBE_WRITE_REG ( hw , IXGBE_SWFW_SYNC , swfw_sync ) ;
ixgbe_release_swfw_sync_semaphore ( hw ) ;
msleep ( 5 ) ;
}
/**
* ixgbe_get_nvm_semaphore - Get hardware semaphore
* @ hw : pointer to hardware structure
*
* Sets the hardware semaphores so SW / FW can gain control of shared resources
* */
static s32 ixgbe_get_swfw_sync_semaphore ( struct ixgbe_hw * hw )
{
s32 status = IXGBE_ERR_EEPROM ;
u32 timeout = 2000 ;
u32 i ;
u32 swsm ;
/* Get SMBI software semaphore between device drivers first */
for ( i = 0 ; i < timeout ; i + + ) {
/*
* If the SMBI bit is 0 when we read it , then the bit will be
* set and we have the semaphore
*/
swsm = IXGBE_READ_REG ( hw , IXGBE_SWSM ) ;
if ( ! ( swsm & IXGBE_SWSM_SMBI ) ) {
status = 0 ;
break ;
}
udelay ( 50 ) ;
}
/* Now get the semaphore between SW/FW through the REGSMP bit */
if ( status ) {
for ( i = 0 ; i < timeout ; i + + ) {
swsm = IXGBE_READ_REG ( hw , IXGBE_SWFW_SYNC ) ;
if ( ! ( swsm & IXGBE_SWFW_REGSMP ) )
break ;
udelay ( 50 ) ;
}
} else {
hw_dbg ( hw , " Software semaphore SMBI between device drivers "
" not granted. \n " ) ;
}
return status ;
}
/**
* ixgbe_release_nvm_semaphore - Release hardware semaphore
* @ hw : pointer to hardware structure
*
* This function clears hardware semaphore bits .
* */
static void ixgbe_release_swfw_sync_semaphore ( struct ixgbe_hw * hw )
{
u32 swsm ;
/* Release both semaphores by writing 0 to the bits REGSMP and SMBI */
swsm = IXGBE_READ_REG ( hw , IXGBE_SWSM ) ;
swsm & = ~ IXGBE_SWSM_SMBI ;
IXGBE_WRITE_REG ( hw , IXGBE_SWSM , swsm ) ;
swsm = IXGBE_READ_REG ( hw , IXGBE_SWFW_SYNC ) ;
swsm & = ~ IXGBE_SWFW_REGSMP ;
IXGBE_WRITE_REG ( hw , IXGBE_SWFW_SYNC , swsm ) ;
IXGBE_WRITE_FLUSH ( hw ) ;
}
static struct ixgbe_mac_operations mac_ops_X540 = {
. init_hw = & ixgbe_init_hw_generic ,
. reset_hw = & ixgbe_reset_hw_X540 ,
. start_hw = & ixgbe_start_hw_generic ,
. clear_hw_cntrs = & ixgbe_clear_hw_cntrs_generic ,
. get_media_type = & ixgbe_get_media_type_X540 ,
. get_supported_physical_layer =
& ixgbe_get_supported_physical_layer_X540 ,
. enable_rx_dma = & ixgbe_enable_rx_dma_generic ,
. get_mac_addr = & ixgbe_get_mac_addr_generic ,
. get_san_mac_addr = & ixgbe_get_san_mac_addr_generic ,
. get_device_caps = NULL ,
. get_wwn_prefix = & ixgbe_get_wwn_prefix_generic ,
. stop_adapter = & ixgbe_stop_adapter_generic ,
. get_bus_info = & ixgbe_get_bus_info_generic ,
. set_lan_id = & ixgbe_set_lan_id_multi_port_pcie ,
. read_analog_reg8 = NULL ,
. write_analog_reg8 = NULL ,
. setup_link = & ixgbe_setup_mac_link_X540 ,
. check_link = & ixgbe_check_mac_link_generic ,
. get_link_capabilities = & ixgbe_get_copper_link_capabilities_generic ,
. led_on = & ixgbe_led_on_generic ,
. led_off = & ixgbe_led_off_generic ,
. blink_led_start = & ixgbe_blink_led_start_generic ,
. blink_led_stop = & ixgbe_blink_led_stop_generic ,
. set_rar = & ixgbe_set_rar_generic ,
. clear_rar = & ixgbe_clear_rar_generic ,
. set_vmdq = & ixgbe_set_vmdq_generic ,
. clear_vmdq = & ixgbe_clear_vmdq_generic ,
. init_rx_addrs = & ixgbe_init_rx_addrs_generic ,
. update_mc_addr_list = & ixgbe_update_mc_addr_list_generic ,
. enable_mc = & ixgbe_enable_mc_generic ,
. disable_mc = & ixgbe_disable_mc_generic ,
. clear_vfta = & ixgbe_clear_vfta_generic ,
. set_vfta = & ixgbe_set_vfta_generic ,
. fc_enable = & ixgbe_fc_enable_generic ,
. init_uta_tables = & ixgbe_init_uta_tables_generic ,
. setup_sfp = NULL ,
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. set_mac_anti_spoofing = & ixgbe_set_mac_anti_spoofing ,
. set_vlan_anti_spoofing = & ixgbe_set_vlan_anti_spoofing ,
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. acquire_swfw_sync = & ixgbe_acquire_swfw_sync_X540 ,
. release_swfw_sync = & ixgbe_release_swfw_sync_X540 ,
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} ;
static struct ixgbe_eeprom_operations eeprom_ops_X540 = {
. init_params = & ixgbe_init_eeprom_params_X540 ,
. read = & ixgbe_read_eerd_X540 ,
. write = & ixgbe_write_eewr_X540 ,
. calc_checksum = & ixgbe_calc_eeprom_checksum_X540 ,
. validate_checksum = & ixgbe_validate_eeprom_checksum_generic ,
. update_checksum = & ixgbe_update_eeprom_checksum_X540 ,
} ;
static struct ixgbe_phy_operations phy_ops_X540 = {
. identify = & ixgbe_identify_phy_generic ,
. identify_sfp = & ixgbe_identify_sfp_module_generic ,
. init = NULL ,
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. reset = NULL ,
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. read_reg = & ixgbe_read_phy_reg_generic ,
. write_reg = & ixgbe_write_phy_reg_generic ,
. setup_link = & ixgbe_setup_phy_link_generic ,
. setup_link_speed = & ixgbe_setup_phy_link_speed_generic ,
. read_i2c_byte = & ixgbe_read_i2c_byte_generic ,
. write_i2c_byte = & ixgbe_write_i2c_byte_generic ,
. read_i2c_eeprom = & ixgbe_read_i2c_eeprom_generic ,
. write_i2c_eeprom = & ixgbe_write_i2c_eeprom_generic ,
. check_overtemp = & ixgbe_tn_check_overtemp ,
} ;
struct ixgbe_info ixgbe_X540_info = {
. mac = ixgbe_mac_X540 ,
. get_invariants = & ixgbe_get_invariants_X540 ,
. mac_ops = & mac_ops_X540 ,
. eeprom_ops = & eeprom_ops_X540 ,
. phy_ops = & phy_ops_X540 ,
. mbx_ops = & mbx_ops_generic ,
} ;