summaryrefslogtreecommitdiffstats
path: root/drivers/bcm570x_autoneg.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/bcm570x_autoneg.c')
-rw-r--r--drivers/bcm570x_autoneg.c427
1 files changed, 0 insertions, 427 deletions
diff --git a/drivers/bcm570x_autoneg.c b/drivers/bcm570x_autoneg.c
deleted file mode 100644
index cec741c620..0000000000
--- a/drivers/bcm570x_autoneg.c
+++ /dev/null
@@ -1,427 +0,0 @@
-/******************************************************************************/
-/* */
-/* Broadcom BCM5700 Linux Network Driver, Copyright (c) 2001 Broadcom */
-/* Corporation. */
-/* All rights reserved. */
-/* */
-/* This program is free software; you can redistribute it and/or modify */
-/* it under the terms of the GNU General Public License as published by */
-/* the Free Software Foundation, located in the file LICENSE. */
-/* */
-/* History: */
-/******************************************************************************/
-#if !defined(CONFIG_NET_MULTI)
-#if INCLUDE_TBI_SUPPORT
-#include "bcm570x_autoneg.h"
-#include "bcm570x_mm.h"
-
-
-/******************************************************************************/
-/* Description: */
-/* */
-/* Return: */
-/******************************************************************************/
-void
-MM_AnTxConfig(
- PAN_STATE_INFO pAnInfo)
-{
- PLM_DEVICE_BLOCK pDevice;
-
- pDevice = (PLM_DEVICE_BLOCK) pAnInfo->pContext;
-
- REG_WR(pDevice, MacCtrl.TxAutoNeg, (LM_UINT32) pAnInfo->TxConfig.AsUSHORT);
-
- pDevice->MacMode |= MAC_MODE_SEND_CONFIGS;
- REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
-}
-
-
-/******************************************************************************/
-/* Description: */
-/* */
-/* Return: */
-/******************************************************************************/
-void
-MM_AnTxIdle(
- PAN_STATE_INFO pAnInfo)
-{
- PLM_DEVICE_BLOCK pDevice;
-
- pDevice = (PLM_DEVICE_BLOCK) pAnInfo->pContext;
-
- pDevice->MacMode &= ~MAC_MODE_SEND_CONFIGS;
- REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
-}
-
-
-/******************************************************************************/
-/* Description: */
-/* */
-/* Return: */
-/******************************************************************************/
-char
-MM_AnRxConfig(
- PAN_STATE_INFO pAnInfo,
- unsigned short *pRxConfig)
-{
- PLM_DEVICE_BLOCK pDevice;
- LM_UINT32 Value32;
- char Retcode;
-
- Retcode = AN_FALSE;
-
- pDevice = (PLM_DEVICE_BLOCK) pAnInfo->pContext;
-
- Value32 = REG_RD(pDevice, MacCtrl.Status);
- if(Value32 & MAC_STATUS_RECEIVING_CFG)
- {
- Value32 = REG_RD(pDevice, MacCtrl.RxAutoNeg);
- *pRxConfig = (unsigned short) Value32;
-
- Retcode = AN_TRUE;
- }
-
- return Retcode;
-}
-
-
-/******************************************************************************/
-/* Description: */
-/* */
-/* Return: */
-/******************************************************************************/
-void
-AutonegInit(
- PAN_STATE_INFO pAnInfo)
-{
- unsigned long j;
-
- for(j = 0; j < sizeof(AN_STATE_INFO); j++)
- {
- ((unsigned char *) pAnInfo)[j] = 0;
- }
-
- /* Initialize the default advertisement register. */
- pAnInfo->mr_adv_full_duplex = 1;
- pAnInfo->mr_adv_sym_pause = 1;
- pAnInfo->mr_adv_asym_pause = 1;
- pAnInfo->mr_an_enable = 1;
-}
-
-
-/******************************************************************************/
-/* Description: */
-/* */
-/* Return: */
-/******************************************************************************/
-AUTONEG_STATUS
-Autoneg8023z(
- PAN_STATE_INFO pAnInfo)
-{
- unsigned short RxConfig;
- unsigned long Delta_us;
- AUTONEG_STATUS AnRet;
-
- /* Get the current time. */
- if(pAnInfo->State == AN_STATE_UNKNOWN)
- {
- pAnInfo->RxConfig.AsUSHORT = 0;
- pAnInfo->CurrentTime_us = 0;
- pAnInfo->LinkTime_us = 0;
- pAnInfo->AbilityMatchCfg = 0;
- pAnInfo->AbilityMatchCnt = 0;
- pAnInfo->AbilityMatch = AN_FALSE;
- pAnInfo->IdleMatch = AN_FALSE;
- pAnInfo->AckMatch = AN_FALSE;
- }
-
- /* Increment the timer tick. This function is called every microsecon. */
-/* pAnInfo->CurrentTime_us++; */
-
- /* Set the AbilityMatch, IdleMatch, and AckMatch flags if their */
- /* corresponding conditions are satisfied. */
- if(MM_AnRxConfig(pAnInfo, &RxConfig))
- {
- if(RxConfig != pAnInfo->AbilityMatchCfg)
- {
- pAnInfo->AbilityMatchCfg = RxConfig;
- pAnInfo->AbilityMatch = AN_FALSE;
- pAnInfo->AbilityMatchCnt = 0;
- }
- else
- {
- pAnInfo->AbilityMatchCnt++;
- if(pAnInfo->AbilityMatchCnt > 1)
- {
- pAnInfo->AbilityMatch = AN_TRUE;
- pAnInfo->AbilityMatchCfg = RxConfig;
- }
- }
-
- if(RxConfig & AN_CONFIG_ACK)
- {
- pAnInfo->AckMatch = AN_TRUE;
- }
- else
- {
- pAnInfo->AckMatch = AN_FALSE;
- }
-
- pAnInfo->IdleMatch = AN_FALSE;
- }
- else
- {
- pAnInfo->IdleMatch = AN_TRUE;
-
- pAnInfo->AbilityMatchCfg = 0;
- pAnInfo->AbilityMatchCnt = 0;
- pAnInfo->AbilityMatch = AN_FALSE;
- pAnInfo->AckMatch = AN_FALSE;
-
- RxConfig = 0;
- }
-
- /* Save the last Config. */
- pAnInfo->RxConfig.AsUSHORT = RxConfig;
-
- /* Default return code. */
- AnRet = AUTONEG_STATUS_OK;
-
- /* Autoneg state machine as defined in 802.3z section 37.3.1.5. */
- switch(pAnInfo->State)
- {
- case AN_STATE_UNKNOWN:
- if(pAnInfo->mr_an_enable || pAnInfo->mr_restart_an)
- {
- pAnInfo->CurrentTime_us = 0;
- pAnInfo->State = AN_STATE_AN_ENABLE;
- }
-
- /* Fall through.*/
-
- case AN_STATE_AN_ENABLE:
- pAnInfo->mr_an_complete = AN_FALSE;
- pAnInfo->mr_page_rx = AN_FALSE;
-
- if(pAnInfo->mr_an_enable)
- {
- pAnInfo->LinkTime_us = 0;
- pAnInfo->AbilityMatchCfg = 0;
- pAnInfo->AbilityMatchCnt = 0;
- pAnInfo->AbilityMatch = AN_FALSE;
- pAnInfo->IdleMatch = AN_FALSE;
- pAnInfo->AckMatch = AN_FALSE;
-
- pAnInfo->State = AN_STATE_AN_RESTART_INIT;
- }
- else
- {
- pAnInfo->State = AN_STATE_DISABLE_LINK_OK;
- }
- break;
-
- case AN_STATE_AN_RESTART_INIT:
- pAnInfo->LinkTime_us = pAnInfo->CurrentTime_us;
- pAnInfo->mr_np_loaded = AN_FALSE;
-
- pAnInfo->TxConfig.AsUSHORT = 0;
- MM_AnTxConfig(pAnInfo);
-
- AnRet = AUTONEG_STATUS_TIMER_ENABLED;
-
- pAnInfo->State = AN_STATE_AN_RESTART;
-
- /* Fall through.*/
-
- case AN_STATE_AN_RESTART:
- /* Get the current time and compute the delta with the saved */
- /* link timer. */
- Delta_us = pAnInfo->CurrentTime_us - pAnInfo->LinkTime_us;
- if(Delta_us > AN_LINK_TIMER_INTERVAL_US)
- {
- pAnInfo->State = AN_STATE_ABILITY_DETECT_INIT;
- }
- else
- {
- AnRet = AUTONEG_STATUS_TIMER_ENABLED;
- }
- break;
-
- case AN_STATE_DISABLE_LINK_OK:
- AnRet = AUTONEG_STATUS_DONE;
- break;
-
- case AN_STATE_ABILITY_DETECT_INIT:
- /* Note: in the state diagram, this variable is set to */
- /* mr_adv_ability<12>. Is this right?. */
- pAnInfo->mr_toggle_tx = AN_FALSE;
-
- /* Send the config as advertised in the advertisement register. */
- pAnInfo->TxConfig.AsUSHORT = 0;
- pAnInfo->TxConfig.D5_FD = pAnInfo->mr_adv_full_duplex;
- pAnInfo->TxConfig.D6_HD = pAnInfo->mr_adv_half_duplex;
- pAnInfo->TxConfig.D7_PS1 = pAnInfo->mr_adv_sym_pause;
- pAnInfo->TxConfig.D8_PS2 = pAnInfo->mr_adv_asym_pause;
- pAnInfo->TxConfig.D12_RF1 = pAnInfo->mr_adv_remote_fault1;
- pAnInfo->TxConfig.D13_RF2 = pAnInfo->mr_adv_remote_fault2;
- pAnInfo->TxConfig.D15_NP = pAnInfo->mr_adv_next_page;
-
- MM_AnTxConfig(pAnInfo);
-
- pAnInfo->State = AN_STATE_ABILITY_DETECT;
-
- break;
-
- case AN_STATE_ABILITY_DETECT:
- if(pAnInfo->AbilityMatch == AN_TRUE &&
- pAnInfo->RxConfig.AsUSHORT != 0)
- {
- pAnInfo->State = AN_STATE_ACK_DETECT_INIT;
- }
-
- break;
-
- case AN_STATE_ACK_DETECT_INIT:
- pAnInfo->TxConfig.D14_ACK = 1;
- MM_AnTxConfig(pAnInfo);
-
- pAnInfo->State = AN_STATE_ACK_DETECT;
-
- /* Fall through. */
-
- case AN_STATE_ACK_DETECT:
- if(pAnInfo->AckMatch == AN_TRUE)
- {
- if((pAnInfo->RxConfig.AsUSHORT & ~AN_CONFIG_ACK) ==
- (pAnInfo->AbilityMatchCfg & ~AN_CONFIG_ACK))
- {
- pAnInfo->State = AN_STATE_COMPLETE_ACK_INIT;
- }
- else
- {
- pAnInfo->State = AN_STATE_AN_ENABLE;
- }
- }
- else if(pAnInfo->AbilityMatch == AN_TRUE &&
- pAnInfo->RxConfig.AsUSHORT == 0)
- {
- pAnInfo->State = AN_STATE_AN_ENABLE;
- }
-
- break;
-
- case AN_STATE_COMPLETE_ACK_INIT:
- /* Make sure invalid bits are not set. */
- if(pAnInfo->RxConfig.bits.D0 || pAnInfo->RxConfig.bits.D1 ||
- pAnInfo->RxConfig.bits.D2 || pAnInfo->RxConfig.bits.D3 ||
- pAnInfo->RxConfig.bits.D4 || pAnInfo->RxConfig.bits.D9 ||
- pAnInfo->RxConfig.bits.D10 || pAnInfo->RxConfig.bits.D11)
- {
- AnRet = AUTONEG_STATUS_FAILED;
- break;
- }
-
- /* Set up the link partner advertisement register. */
- pAnInfo->mr_lp_adv_full_duplex = pAnInfo->RxConfig.D5_FD;
- pAnInfo->mr_lp_adv_half_duplex = pAnInfo->RxConfig.D6_HD;
- pAnInfo->mr_lp_adv_sym_pause = pAnInfo->RxConfig.D7_PS1;
- pAnInfo->mr_lp_adv_asym_pause = pAnInfo->RxConfig.D8_PS2;
- pAnInfo->mr_lp_adv_remote_fault1 = pAnInfo->RxConfig.D12_RF1;
- pAnInfo->mr_lp_adv_remote_fault2 = pAnInfo->RxConfig.D13_RF2;
- pAnInfo->mr_lp_adv_next_page = pAnInfo->RxConfig.D15_NP;
-
- pAnInfo->LinkTime_us = pAnInfo->CurrentTime_us;
-
- pAnInfo->mr_toggle_tx = !pAnInfo->mr_toggle_tx;
- pAnInfo->mr_toggle_rx = pAnInfo->RxConfig.bits.D11;
- pAnInfo->mr_np_rx = pAnInfo->RxConfig.D15_NP;
- pAnInfo->mr_page_rx = AN_TRUE;
-
- pAnInfo->State = AN_STATE_COMPLETE_ACK;
- AnRet = AUTONEG_STATUS_TIMER_ENABLED;
-
- break;
-
- case AN_STATE_COMPLETE_ACK:
- if(pAnInfo->AbilityMatch == AN_TRUE &&
- pAnInfo->RxConfig.AsUSHORT == 0)
- {
- pAnInfo->State = AN_STATE_AN_ENABLE;
- break;
- }
-
- Delta_us = pAnInfo->CurrentTime_us - pAnInfo->LinkTime_us;
-
- if(Delta_us > AN_LINK_TIMER_INTERVAL_US)
- {
- if(pAnInfo->mr_adv_next_page == 0 ||
- pAnInfo->mr_lp_adv_next_page == 0)
- {
- pAnInfo->State = AN_STATE_IDLE_DETECT_INIT;
- }
- else
- {
- if(pAnInfo->TxConfig.bits.D15 == 0 &&
- pAnInfo->mr_np_rx == 0)
- {
- pAnInfo->State = AN_STATE_IDLE_DETECT_INIT;
- }
- else
- {
- AnRet = AUTONEG_STATUS_FAILED;
- }
- }
- }
-
- break;
-
- case AN_STATE_IDLE_DETECT_INIT:
- pAnInfo->LinkTime_us = pAnInfo->CurrentTime_us;
-
- MM_AnTxIdle(pAnInfo);
-
- pAnInfo->State = AN_STATE_IDLE_DETECT;
-
- AnRet = AUTONEG_STATUS_TIMER_ENABLED;
-
- break;
-
- case AN_STATE_IDLE_DETECT:
- if(pAnInfo->AbilityMatch == AN_TRUE &&
- pAnInfo->RxConfig.AsUSHORT == 0)
- {
- pAnInfo->State = AN_STATE_AN_ENABLE;
- break;
- }
-
- Delta_us = pAnInfo->CurrentTime_us - pAnInfo->LinkTime_us;
- if(Delta_us > AN_LINK_TIMER_INTERVAL_US)
- {
- pAnInfo->State = AN_STATE_LINK_OK;
- }
-
- break;
-
- case AN_STATE_LINK_OK:
- pAnInfo->mr_an_complete = AN_TRUE;
- pAnInfo->mr_link_ok = AN_TRUE;
- AnRet = AUTONEG_STATUS_DONE;
-
- break;
-
- case AN_STATE_NEXT_PAGE_WAIT_INIT:
- break;
-
- case AN_STATE_NEXT_PAGE_WAIT:
- break;
-
- default:
- AnRet = AUTONEG_STATUS_FAILED;
- break;
- }
-
- return AnRet;
-}
-#endif /* INCLUDE_TBI_SUPPORT */
-
-#endif /* !defined(CONFIG_NET_MULTI) */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 16:01:47 +0000