e1000_82542.c revision 592a4d85662412bade15f3d9e9e0cbcf8514348c
/*
* This file is provided under a CDDLv1 license. When using or
* redistributing this file, you may do so under this license.
* In redistributing this file this license must be included
* and no other modification of this header file is permitted.
*
* CDDL LICENSE SUMMARY
*
* Copyright(c) 1999 - 2008 Intel Corporation. All rights reserved.
*
* The contents of this file are subject to the terms of Version
* 1.0 of the Common Development and Distribution License (the "License").
*
* You should have received a copy of the License with this software.
* You can obtain a copy of the License at
* See the License for the specific language governing permissions
* and limitations under the License.
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms of the CDDLv1.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* IntelVersion: 1.38 v2008-02-29
*/
/*
* e1000_82542 (rev 1 & 2)
*/
#include "e1000_api.h"
struct e1000_dev_spec_82542 {
bool dma_fairness;
};
/*
* e1000_init_phy_params_82542 - Init PHY func ptrs.
* @hw: pointer to the HW structure
*
* This is a function pointer entry point called by the api module.
*/
static s32
{
DEBUGFUNC("e1000_init_phy_params_82542");
return (ret_val);
}
/*
* e1000_init_nvm_params_82542 - Init NVM func ptrs.
* @hw: pointer to the HW structure
*
* This is a function pointer entry point called by the api module.
*/
static s32
{
DEBUGFUNC("e1000_init_nvm_params_82542");
/* Function Pointers */
return (E1000_SUCCESS);
}
/*
* e1000_init_mac_params_82542 - Init MAC func ptrs.
* @hw: pointer to the HW structure
*
* This is a function pointer entry point called by the api module.
*/
static s32
{
DEBUGFUNC("e1000_init_mac_params_82542");
/* Set media type */
/* Set mta register count */
/* Set rar entry count */
/* Function pointers */
/* reset */
/* hw initialization */
/* link setup */
/* check for link */
/* multicast address update */
/* writing VFTA */
/* clearing VFTA */
/* setting MTA */
/* remove device */
/* clear hardware counters */
/* link info */
/* Device-specific structure allocation */
return (ret_val);
}
/*
* e1000_init_function_pointers_82542 - Init func ptrs.
* @hw: pointer to the HW structure
*
* The only function explicitly called by the api module to initialize
* all function pointers and parameters.
*/
void
{
DEBUGFUNC("e1000_init_function_pointers_82542");
}
/*
* e1000_get_bus_info_82542 - Obtain bus information for adapter
* @hw: pointer to the HW structure
*
* This will obtain information about the HW bus for which the
* adapter is attached and stores it in the hw structure. This is a function
* pointer entry point called by the api module.
*/
static s32
{
DEBUGFUNC("e1000_get_bus_info_82542");
return (E1000_SUCCESS);
}
/*
* e1000_reset_hw_82542 - Reset hardware
* @hw: pointer to the HW structure
*
* This resets the hardware into a known state. This is a
* function pointer entry point called by the api module.
*/
static s32
{
DEBUGFUNC("e1000_reset_hw_82542");
DEBUGOUT("Disabling MWI on 82542 rev 2\n");
}
DEBUGOUT("Masking off all interrupts\n");
/*
* Delay to allow any outstanding PCI transactions to complete before
* resetting the device
*/
msec_delay(10);
DEBUGOUT("Issuing a global reset to 82542/82543 MAC\n");
msec_delay(2);
}
return (ret_val);
}
/*
* e1000_init_hw_82542 - Initialize hardware
* @hw: pointer to the HW structure
*
* This inits the hardware readying it for operation. This is a
* function pointer entry point called by the api module.
*/
static s32
{
struct e1000_dev_spec_82542 *dev_spec;
u16 i;
DEBUGFUNC("e1000_init_hw_82542");
/* Disabling VLAN filtering */
/* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
DEBUGOUT("Disabling MWI on 82542 rev 2.0\n");
msec_delay(5);
}
/* Setup the receive address. */
/* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
msec_delay(1);
}
/* Zero out the Multicast HASH table */
DEBUGOUT("Zeroing the MTA\n");
for (i = 0; i < mac->mta_reg_count; i++)
/*
* Set the PCI priority bit correctly in the CTRL register. This
* determines if the adapter gives priority to receives, or if it
* gives equal priority to transmits and receives.
*/
if (dev_spec->dma_fairness) {
}
/* Setup link and flow control */
/*
* Clear all of the statistics registers (clear on read). It is
* important that we do this after we have tried to establish link
* because the symbol error count will increment wildly if there
* is no link.
*/
return (ret_val);
}
/*
* e1000_setup_link_82542 - Setup flow control and link settings
* @hw: pointer to the HW structure
*
* Determines which flow control settings to use, then configures flow
* control. Calls the appropriate media-specific link configuration
* function. Assuming the adapter has a valid link partner, a valid link
* should be established. Assumes the hardware has previously been reset
* and the transmitter and receiver are not enabled. This is a function
* pointer entry point called by the api module.
*/
static s32
{
DEBUGFUNC("e1000_setup_link_82542");
if (ret_val)
goto out;
/*
* We want to save off the original Flow Control configuration just in
* case we get disconnected and then reconnected into a different hub
* or switch with different Flow Control capabilities.
*/
/* Call the necessary subroutine to configure the link. */
if (ret_val)
goto out;
/*
* Initialize the flow control address, type, and PAUSE timer
* registers to their default values. This is done even if flow
* control is disabled, because it does not hurt anything to
* initialize these registers.
*/
DEBUGOUT("Initializing Flow Control address, type and timer regs\n");
out:
return (ret_val);
}
/*
* e1000_led_on_82542 - Turn on SW controllable LED
* @hw: pointer to the HW structure
*
* Turns the SW defined LED on. This is a function pointer entry point
* called by the api module.
*/
static s32
{
DEBUGFUNC("e1000_led_on_82542");
return (E1000_SUCCESS);
}
/*
* e1000_led_off_82542 - Turn off SW controllable LED
* @hw: pointer to the HW structure
*
* Turns the SW defined LED off. This is a function pointer entry point
* called by the api module.
*/
static s32
{
DEBUGFUNC("e1000_led_off_82542");
ctrl &= ~E1000_CTRL_SWDPIN0;
return (E1000_SUCCESS);
}
/*
* e1000_translate_register_82542 - Translate the proper register offset
* @reg: e1000 register to be read
*
* Registers in 82542 are located in different offsets than other adapters
* even though they function in the same manner. This function takes in
* the name of the register to read and returns the correct offset for
* 82542 silicon.
*/
{
/*
* Some of the 82542 registers are located at different
* offsets than they are in newer adapters.
* Despite the difference in location, the registers
* function in the same manner.
*/
switch (reg) {
case E1000_RA:
reg = 0x00040;
break;
case E1000_RDTR:
reg = 0x00108;
break;
case E1000_RDBAL(0):
reg = 0x00110;
break;
case E1000_RDBAH(0):
reg = 0x00114;
break;
case E1000_RDLEN(0):
reg = 0x00118;
break;
case E1000_RDH(0):
reg = 0x00120;
break;
case E1000_RDT(0):
reg = 0x00128;
break;
case E1000_RDBAL(1):
reg = 0x00138;
break;
case E1000_RDBAH(1):
reg = 0x0013C;
break;
case E1000_RDLEN(1):
reg = 0x00140;
break;
case E1000_RDH(1):
reg = 0x00148;
break;
case E1000_RDT(1):
reg = 0x00150;
break;
case E1000_FCRTH:
reg = 0x00160;
break;
case E1000_FCRTL:
reg = 0x00168;
break;
case E1000_MTA:
reg = 0x00200;
break;
case E1000_TDBAL(0):
reg = 0x00420;
break;
case E1000_TDBAH(0):
reg = 0x00424;
break;
case E1000_TDLEN(0):
reg = 0x00428;
break;
case E1000_TDH(0):
reg = 0x00430;
break;
case E1000_TDT(0):
reg = 0x00438;
break;
case E1000_TIDV:
reg = 0x00440;
break;
case E1000_VFTA:
reg = 0x00600;
break;
case E1000_TDFH:
reg = 0x08010;
break;
case E1000_TDFT:
reg = 0x08018;
break;
default:
break;
}
return (reg);
}
/*
* e1000_clear_hw_cntrs_82542 - Clear device specific hardware counters
* @hw: pointer to the HW structure
*
* Clears the hardware counters by reading the counter registers.
*/
static void
{
DEBUGFUNC("e1000_clear_hw_cntrs_82542");
}