ath5k: Misc hw_reset updates
PATCH 4/12 ath5k: Misc hw_reset updates
* Update hw_reset to calculate some of the values we were using as static
* Increase activation to rx delay
Changes-licensed-under: ISC
Signed-off-by Nick Kossifidis <[email protected]>
---
drivers/net/wireless/ath5k/hw.c +27 -4
@@ -847,7 +847,22 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,else ath5k_hw_reg_write (ah,0x00000000 ,0x994c ); -ath5k_hw_reg_write (ah,0x000009b5 ,0xa228 ); +/* Some bits are disabled here, we know nothing about +* register 0xa228 yet, most of the times this ends up +* with a value 0x9b5 -haven't seen any dump with +* a different value- */ +/* Got this from decompiling binary HAL */ + data =ath5k_hw_reg_read (ah,0xa228 ); + data &=0xfffffdff ; +ath5k_hw_reg_write (ah, data,0xa228 ); + + data =ath5k_hw_reg_read (ah,0xa228 ); + data &=0xfffe03ff ; +ath5k_hw_reg_write (ah, data,0xa228 ); + data =0 ; + +/* Just write 0x9b5 ? */ +/* ath5k_hw_reg_write(ah, 0x000009b5, 0xa228); */ ath5k_hw_reg_write (ah,0x0000000f ,AR5K_SEQ_MASK );ath5k_hw_reg_write (ah,0x00000000 ,0xa254 );ath5k_hw_reg_write (ah,0x0000000e ,AR5K_PHY_SCAL );
@@ -864,6 +879,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,else data =0xffb80d20 ;ath5k_hw_reg_write (ah, data,AR5K_PHY_FRAME_CTL ); + data =0 ; }/*
@@ -883,7 +899,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,/* * Write RF registers -* TODO:Does this work on 5211 (5111) ? */ ret =ath5k_hw_rfregs (ah, channel, mode);if (ret)
@@ -1048,7 +1063,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,ath5k_hw_reg_write (ah,AR5K_PHY_ACT_ENABLE ,AR5K_PHY_ACT );/* -* 5111/5112 Specific +* On 5211+ read activation -> rx delay +* and use it. */ if (ah->ah_version !=AR5K_AR5210 ) { data = ath5k_hw_reg_read(ah, AR5K_PHY_RX_DELAY) &
@@ -1056,7 +1072,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode, data = (channel->hw_value &CHANNEL_CCK ) ? ((data <<2 ) /22 ) : (data /10 ); -udelay (100 + data); +udelay (100 + (2 * data)); + data =0 ; }else {mdelay (1 ); }
@@ -1139,6 +1156,12 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,ath5k_hw_reg_write (ah,AR5K_PHY_SCLOCK_32MHZ ,AR5K_PHY_SCLOCK );ath5k_hw_reg_write (ah,AR5K_PHY_SDELAY_32MHZ ,AR5K_PHY_SDELAY );ath5k_hw_reg_write (ah, ah->ah_phy_spending,AR5K_PHY_SPENDING ); + + data =ath5k_hw_reg_read (ah,AR5K_USEC_5211 ) &0xffffc07f ; + data |= (ah->ah_phy_spending ==AR5K_PHY_SPENDING_18 ) ? +0x00000f80 :0x00001380 ; +ath5k_hw_reg_write (ah, data,AR5K_USEC_5211 ); + data =0 ; }if (ah->ah_version ==AR5K_AR5212 ) {