1 files changed, 90 insertions, 6 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 6de2655e07dd..07827b55e84b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -251,6 +251,15 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah)
 	case AR5416_AR9100_DEVID:
 		ah->hw_version.macVersion = AR_SREV_VERSION_9100;
 		break;
+	case AR9300_DEVID_AR9330:
+		ah->hw_version.macVersion = AR_SREV_VERSION_9330;
+		if (ah->get_mac_revision) {
+			ah->hw_version.macRev = ah->get_mac_revision();
+		} else {
+			val = REG_READ(ah, AR_SREV);
+			ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
+		}
+		return;
 	case AR9300_DEVID_AR9340:
 		ah->hw_version.macVersion = AR_SREV_VERSION_9340;
 		val = REG_READ(ah, AR_SREV);
@@ -551,6 +560,7 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 	case AR_SREV_VERSION_9287:
 	case AR_SREV_VERSION_9271:
 	case AR_SREV_VERSION_9300:
+	case AR_SREV_VERSION_9330:
 	case AR_SREV_VERSION_9485:
 	case AR_SREV_VERSION_9340:
 		break;
@@ -561,7 +571,8 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 		return -EOPNOTSUPP;
 	}
 
-	if (AR_SREV_9271(ah) || AR_SREV_9100(ah) || AR_SREV_9340(ah))
+	if (AR_SREV_9271(ah) || AR_SREV_9100(ah) || AR_SREV_9340(ah) ||
+	    AR_SREV_9330(ah))
 		ah->is_pciexpress = false;
 
 	ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
@@ -604,7 +615,10 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 	else
 		ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
 
-	ah->bb_watchdog_timeout_ms = 25;
+	if (AR_SREV_9330(ah))
+		ah->bb_watchdog_timeout_ms = 85;
+	else
+		ah->bb_watchdog_timeout_ms = 25;
 
 	common->state = ATH_HW_INITIALIZED;
 
@@ -630,6 +644,7 @@ int ath9k_hw_init(struct ath_hw *ah)
 	case AR2427_DEVID_PCIE:
 	case AR9300_DEVID_PCIE:
 	case AR9300_DEVID_AR9485_PCIE:
+	case AR9300_DEVID_AR9330:
 	case AR9300_DEVID_AR9340:
 		break;
 	default:
@@ -722,6 +737,39 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
 		REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
 			      AR_CH0_BB_DPLL2_PLL_PWD, 0x0);
 		udelay(1000);
+	} else if (AR_SREV_9330(ah)) {
+		u32 ddr_dpll2, pll_control2, kd;
+
+		if (ah->is_clk_25mhz) {
+			ddr_dpll2 = 0x18e82f01;
+			pll_control2 = 0xe04a3d;
+			kd = 0x1d;
+		} else {
+			ddr_dpll2 = 0x19e82f01;
+			pll_control2 = 0x886666;
+			kd = 0x3d;
+		}
+
+		/* program DDR PLL ki and kd value */
+		REG_WRITE(ah, AR_CH0_DDR_DPLL2, ddr_dpll2);
+
+		/* program DDR PLL phase_shift */
+		REG_RMW_FIELD(ah, AR_CH0_DDR_DPLL3,
+			      AR_CH0_DPLL3_PHASE_SHIFT, 0x1);
+
+		REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
+		udelay(1000);
+
+		/* program refdiv, nint, frac to RTC register */
+		REG_WRITE(ah, AR_RTC_PLL_CONTROL2, pll_control2);
+
+		/* program BB PLL kd and ki value */
+		REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, AR_CH0_DPLL2_KD, kd);
+		REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, AR_CH0_DPLL2_KI, 0x06);
+
+		/* program BB PLL phase_shift */
+		REG_RMW_FIELD(ah, AR_CH0_BB_DPLL3,
+			      AR_CH0_BB_DPLL3_PHASE_SHIFT, 0x1);
 	} else if (AR_SREV_9340(ah)) {
 		u32 regval, pll2_divint, pll2_divfrac, refdiv;
 
@@ -763,7 +811,7 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
 
 	REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
 
-	if (AR_SREV_9485(ah) || AR_SREV_9340(ah))
+	if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah))
 		udelay(1000);
 
 	/* Switch the core clock for ar9271 to 117Mhz */
@@ -1114,6 +1162,41 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
 			rst_flags |= AR_RTC_RC_MAC_COLD;
 	}
 
+	if (AR_SREV_9330(ah)) {
+		int npend = 0;
+		int i;
+
+		/* AR9330 WAR:
+		 * call external reset function to reset WMAC if:
+		 * - doing a cold reset
+		 * - we have pending frames in the TX queues
+		 */
+
+		for (i = 0; i < AR_NUM_QCU; i++) {
+			npend = ath9k_hw_numtxpending(ah, i);
+			if (npend)
+				break;
+		}
+
+		if (ah->external_reset &&
+		    (npend || type == ATH9K_RESET_COLD)) {
+			int reset_err = 0;
+
+			ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET,
+				"reset MAC via external reset\n");
+
+			reset_err = ah->external_reset();
+			if (reset_err) {
+				ath_err(ath9k_hw_common(ah),
+					"External reset failed, err=%d\n",
+					reset_err);
+				return false;
+			}
+
+			REG_WRITE(ah, AR_RTC_RESET, 1);
+		}
+	}
+
 	REG_WRITE(ah, AR_RTC_RC, rst_flags);
 
 	REGWRITE_BUFFER_FLUSH(ah);
@@ -1545,7 +1628,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 				REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
 		}
 #ifdef __BIG_ENDIAN
-		else if (AR_SREV_9340(ah))
+		else if (AR_SREV_9330(ah) || AR_SREV_9340(ah))
 			REG_RMW(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB, 0);
 		else
 			REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
@@ -1983,7 +2066,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 
 	if (AR_SREV_9300_20_OR_LATER(ah)) {
 		pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_FASTCLOCK;
-		if (!AR_SREV_9485(ah))
+		if (!AR_SREV_9330(ah) && !AR_SREV_9485(ah))
 			pCap->hw_caps |= ATH9K_HW_CAP_LDPC;
 
 		pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH;
@@ -2025,7 +2108,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 	}
 
 
-	if (AR_SREV_9485(ah)) {
+	if (AR_SREV_9330(ah) || AR_SREV_9485(ah)) {
 		ant_div_ctl1 = ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1);
 		/*
 		 * enable the diversity-combining algorithm only when
@@ -2574,6 +2657,7 @@ static struct {
 	{ AR_SREV_VERSION_9287,         "9287" },
 	{ AR_SREV_VERSION_9271,         "9271" },
 	{ AR_SREV_VERSION_9300,         "9300" },
+	{ AR_SREV_VERSION_9330,         "9330" },
 	{ AR_SREV_VERSION_9485,         "9485" },
 };