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ath9k_hw: remove ar9287 v1.3+ specific hardcoded register hacks

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Now that the clock rate is initialized properly and SIFS, EIFS, USEC,
slot time and ACK timeout are properly calculated by the generic code,
the 'async FIFO' register hacks are no longer necessary.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-07-09 11:12:51 +07:00 committed by John W. Linville
parent b6ba41bb27
commit fe2b6afbce
4 changed files with 7 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/net/wireless/ath/ath9k/ar9002_hw.c
View File

@ -499,45 +499,6 @@ void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
}
}
/*
* If Async FIFO is enabled, the following counters change as MAC now runs
* at 117 Mhz instead of 88/44MHz when async FIFO is disabled.
*
* The values below tested for ht40 2 chain.
* Overwrite the delay/timeouts initialized in process ini.
*/
void ar9002_hw_update_async_fifo(struct ath_hw *ah)
{
if (AR_SREV_9287_13_OR_LATER(ah)) {
REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR);
REG_WRITE(ah, AR_D_GBL_IFS_SLOT,
AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR);
REG_WRITE(ah, AR_D_GBL_IFS_EIFS,
AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR);
REG_WRITE(ah, AR_TIME_OUT, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR);
REG_WRITE(ah, AR_USEC, AR_USEC_ASYNC_FIFO_DUR);
REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER,
AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768);
REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN,
AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL);
}
}
/*
* We don't enable WEP aggregation on mac80211 but we keep this
* around for HAL unification purposes.
*/
void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah)
{
if (AR_SREV_9287_13_OR_LATER(ah)) {
REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
}
}
/* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
void ar9002_hw_attach_ops(struct ath_hw *ah)
{

10
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -1631,9 +1631,13 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ath9k_hw_init_global_settings(ah);
if (!AR_SREV_9300_20_OR_LATER(ah)) {
ar9002_hw_update_async_fifo(ah);
ar9002_hw_enable_wep_aggregation(ah);
if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) {
REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER,
AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768);
REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN,
AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL);
REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
}
REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PRESERVE_SEQNUM);

2
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -985,8 +985,6 @@ void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
void ar9002_hw_cck_chan14_spread(struct ath_hw *ah);
int ar9002_hw_rf_claim(struct ath_hw *ah);
void ar9002_hw_enable_async_fifo(struct ath_hw *ah);
void ar9002_hw_update_async_fifo(struct ath_hw *ah);
void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah);
/*
* Code specific to AR9003, we stuff these here to avoid callbacks

5
drivers/net/wireless/ath/ath9k/reg.h
View File

@ -600,7 +600,6 @@
#define AR_D_GBL_IFS_SIFS 0x1030
#define AR_D_GBL_IFS_SIFS_M 0x0000FFFF
#define AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR 0x000003AB
#define AR_D_GBL_IFS_SIFS_RESV0 0xFFFFFFFF
#define AR_D_TXBLK_BASE 0x1038
@ -616,12 +615,10 @@
#define AR_D_GBL_IFS_SLOT 0x1070
#define AR_D_GBL_IFS_SLOT_M 0x0000FFFF
#define AR_D_GBL_IFS_SLOT_RESV0 0xFFFF0000
#define AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR 0x00000420
#define AR_D_GBL_IFS_EIFS 0x10b0
#define AR_D_GBL_IFS_EIFS_M 0x0000FFFF
#define AR_D_GBL_IFS_EIFS_RESV0 0xFFFF0000
#define AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR 0x0000A5EB
#define AR_D_GBL_IFS_MISC 0x10f0
#define AR_D_GBL_IFS_MISC_LFSR_SLICE_SEL 0x00000007
@ -1477,7 +1474,6 @@ enum {
#define AR_TIME_OUT_ACK_S 0
#define AR_TIME_OUT_CTS 0x3FFF0000
#define AR_TIME_OUT_CTS_S 16
#define AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR 0x16001D56
#define AR_RSSI_THR 0x8018
#define AR_RSSI_THR_MASK 0x000000FF
@ -1493,7 +1489,6 @@ enum {
#define AR_USEC_TX_LAT_S 14
#define AR_USEC_RX_LAT 0x1F800000
#define AR_USEC_RX_LAT_S 23
#define AR_USEC_ASYNC_FIFO_DUR 0x12e00074
#define AR_RESET_TSF 0x8020
#define AR_RESET_TSF_ONCE 0x01000000