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ath9k: merge some ar934x stability fixes
[15.05/openwrt.git] / package / mac80211 / patches / 300-pending_work.patch
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index af9270d..ef023ee 100644 (file)
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -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
OpenWrt 15.05 release branch