ath9k: merge some ar934x stability fixes

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 36695
v19.07.3_mercusys_ac12_duma
Felix Fietkau 11 years ago
parent 7d3fca89c0
commit 4402cdc066

@ -49,7 +49,55 @@
int nstations; /* number of station vifs */
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1366,7 +1366,10 @@ static bool ath9k_hw_set_reset(struct at
@@ -1171,6 +1171,7 @@ u32 ath9k_regd_get_ctl(struct ath_regula
static inline void ath9k_hw_set_dma(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
+ int txbuf_size;
ENABLE_REGWRITE_BUFFER(ah);
@@ -1224,13 +1225,17 @@ static inline void ath9k_hw_set_dma(stru
* So set the usable tx buf size also to half to
* avoid data/delimiter underruns
*/
- REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
- AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
- } else if (!AR_SREV_9271(ah)) {
- REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
- AR_PCU_TXBUF_CTRL_USABLE_SIZE);
+ txbuf_size = AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE;
+ } else if (AR_SREV_9340_13_OR_LATER(ah)) {
+ /* Uses fewer entries for AR934x v1.3+ to prevent rx overruns */
+ txbuf_size = AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE;
+ } else {
+ txbuf_size = AR_PCU_TXBUF_CTRL_USABLE_SIZE;
}
+ if (!AR_SREV_9271(ah))
+ REG_WRITE(ah, AR_PCU_TXBUF_CTRL, txbuf_size);
+
REGWRITE_BUFFER_FLUSH(ah);
if (AR_SREV_9300_20_OR_LATER(ah))
@@ -1305,9 +1310,13 @@ static bool ath9k_hw_set_reset(struct at
AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
} else {
tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
- if (tmpReg &
- (AR_INTR_SYNC_LOCAL_TIMEOUT |
- AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
+ if (AR_SREV_9340(ah))
+ tmpReg &= AR9340_INTR_SYNC_LOCAL_TIMEOUT;
+ else
+ tmpReg &= AR_INTR_SYNC_LOCAL_TIMEOUT |
+ AR_INTR_SYNC_RADM_CPL_TIMEOUT;
+
+ if (tmpReg) {
u32 val;
REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
@@ -1366,7 +1375,10 @@ static bool ath9k_hw_set_reset(struct at
REGWRITE_BUFFER_FLUSH(ah);
@ -61,7 +109,7 @@
REG_WRITE(ah, AR_RTC_RC, 0);
if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
@@ -1377,8 +1380,12 @@ static bool ath9k_hw_set_reset(struct at
@@ -1377,8 +1389,12 @@ static bool ath9k_hw_set_reset(struct at
if (!AR_SREV_9100(ah))
REG_WRITE(ah, AR_RC, 0);
@ -75,7 +123,7 @@
return true;
}
@@ -1464,7 +1471,8 @@ static bool ath9k_hw_chip_reset(struct a
@@ -1464,7 +1480,8 @@ static bool ath9k_hw_chip_reset(struct a
reset_type = ATH9K_RESET_POWER_ON;
else
reset_type = ATH9K_RESET_COLD;
@ -85,7 +133,7 @@
(REG_READ(ah, AR_CR) & AR_CR_RXE))
reset_type = ATH9K_RESET_COLD;
@@ -1698,12 +1706,11 @@ static void ath9k_hw_reset_opmode(struct
@@ -1698,12 +1715,11 @@ static void ath9k_hw_reset_opmode(struct
ENABLE_REGWRITE_BUFFER(ah);
@ -190,7 +238,38 @@
case IEEE80211_AMPDU_TX_OPERATIONAL:
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1493,9 +1493,6 @@ enum {
@@ -798,6 +798,10 @@
#define AR_SREV_REVISION_9485_10 0
#define AR_SREV_REVISION_9485_11 1
#define AR_SREV_VERSION_9340 0x300
+#define AR_SREV_REVISION_9340_10 0
+#define AR_SREV_REVISION_9340_11 1
+#define AR_SREV_REVISION_9340_12 2
+#define AR_SREV_REVISION_9340_13 3
#define AR_SREV_VERSION_9580 0x1C0
#define AR_SREV_REVISION_9580_10 4 /* AR9580 1.0 */
#define AR_SREV_VERSION_9462 0x280
@@ -897,6 +901,10 @@
#define AR_SREV_9340(_ah) \
(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9340))
+#define AR_SREV_9340_13_OR_LATER(_ah) \
+ (AR_SREV_9340((_ah)) && \
+ ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9340_13))
+
#define AR_SREV_9285E_20(_ah) \
(AR_SREV_9285_12_OR_LATER(_ah) && \
((REG_READ(_ah, AR_AN_SYNTH9) & 0x7) == 0x1))
@@ -1007,6 +1015,8 @@ enum {
AR_INTR_SYNC_LOCAL_TIMEOUT |
AR_INTR_SYNC_MAC_SLEEP_ACCESS),
+ AR9340_INTR_SYNC_LOCAL_TIMEOUT = 0x00000010,
+
AR_INTR_SYNC_SPURIOUS = 0xFFFFFFFF,
};
@@ -1493,9 +1503,6 @@ enum {
#define AR9271_RADIO_RF_RST 0x20
#define AR9271_GATE_MAC_CTL 0x4000
@ -200,6 +279,14 @@
#define AR_STA_ID1_STA_AP 0x00010000
#define AR_STA_ID1_ADHOC 0x00020000
#define AR_STA_ID1_PWR_SAV 0x00040000
@@ -1884,6 +1891,7 @@ enum {
#define AR_PCU_TXBUF_CTRL_SIZE_MASK 0x7FF
#define AR_PCU_TXBUF_CTRL_USABLE_SIZE 0x700
#define AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE 0x380
+#define AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE 0x500
#define AR_PCU_MISC_MODE2 0x8344
#define AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE 0x00000002
--- a/drivers/net/wireless/ath/hw.c
+++ b/drivers/net/wireless/ath/hw.c
@@ -118,6 +118,12 @@
@ -4204,3 +4291,26 @@
}
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -334,7 +334,8 @@ static void ar9003_hw_spur_ofdm(struct a
REG_RMW_FIELD(ah, AR_PHY_SPUR_REG,
AR_PHY_SPUR_REG_EN_VIT_SPUR_RSSI, 1);
- if (REG_READ_FIELD(ah, AR_PHY_MODE,
+ if (!AR_SREV_9340(ah) &&
+ REG_READ_FIELD(ah, AR_PHY_MODE,
AR_PHY_MODE_DYNAMIC) == 0x1)
REG_RMW_FIELD(ah, AR_PHY_SPUR_REG,
AR_PHY_SPUR_REG_ENABLE_NF_RSSI_SPUR_MIT, 1);
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -410,7 +410,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw
REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ);
- if (AR_SREV_9340(ah))
+ if (AR_SREV_9340(ah) && !AR_SREV_9340_13_OR_LATER(ah))
REG_WRITE(ah, AR_DMISC(q),
AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x1);
else

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2009,8 +2009,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
@@ -2018,8 +2018,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
REG_WRITE(ah, AR_OBS, 8);
if (ah->config.rx_intr_mitigation) {

@ -10,7 +10,7 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2851,7 +2851,7 @@ void ath9k_hw_apply_txpower(struct ath_h
@@ -2860,7 +2860,7 @@ void ath9k_hw_apply_txpower(struct ath_h
channel = chan->chan;
chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
new_pwr = min_t(int, chan_pwr, reg->power_limit);

@ -94,7 +94,7 @@
void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1853,6 +1853,20 @@ fail:
@@ -1862,6 +1862,20 @@ fail:
return -EINVAL;
}
@ -115,7 +115,7 @@
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata, bool fastcc)
{
@@ -2054,6 +2068,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
@@ -2063,6 +2077,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
}
ath9k_hw_apply_gpio_override(ah);

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -1075,6 +1075,10 @@ static bool ar9003_hw_ani_control(struct
@@ -1076,6 +1076,10 @@ static bool ar9003_hw_ani_control(struct
* is_on == 0 means MRC CCK is OFF (more noise imm)
*/
bool is_on = param ? 1 : 0;

@ -12,7 +12,7 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2447,17 +2447,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
@@ -2456,17 +2456,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
}
eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);

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