diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-04-15 17:39:22 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-04-16 15:43:43 -0400 |
| commit | 57b32227cd7f1f81f4143d8bc82a5ffe37ab4df9 (patch) | |
| tree | 0b8b4730d9785c024d1f0a31ffb91b4e8f47dc17 | |
| parent | c14a85dad438ee2c3d0bec6f11295d3a6efd4127 (diff) | |
ath9k_hw: Update ath9k_hw_set_dma for AR9300
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/reg.h | 6 |
2 files changed, 21 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index ccd819a4a81..fd146c8d4cd 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -836,13 +836,16 @@ u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan) static inline void ath9k_hw_set_dma(struct ath_hw *ah) { + struct ath_common *common = ath9k_hw_common(ah); u32 regval; /* * set AHB_MODE not to do cacheline prefetches */ - regval = REG_READ(ah, AR_AHB_MODE); - REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN); + if (!AR_SREV_9300_20_OR_LATER(ah)) { + regval = REG_READ(ah, AR_AHB_MODE); + REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN); + } /* * let mac dma reads be in 128 byte chunks @@ -855,7 +858,8 @@ static inline void ath9k_hw_set_dma(struct ath_hw *ah) * The initial value depends on whether aggregation is enabled, and is * adjusted whenever underruns are detected. */ - REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level); + if (!AR_SREV_9300_20_OR_LATER(ah)) + REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level); /* * let mac dma writes be in 128 byte chunks @@ -868,6 +872,14 @@ static inline void ath9k_hw_set_dma(struct ath_hw *ah) */ REG_WRITE(ah, AR_RXFIFO_CFG, 0x200); + if (AR_SREV_9300_20_OR_LATER(ah)) { + REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_HP, 0x1); + REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_LP, 0x1); + + ath9k_hw_set_rx_bufsize(ah, common->rx_bufsize - + ah->caps.rx_status_len); + } + /* * reduce the number of usable entries in PCU TXBUF to avoid * wrap around issues. diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index 12f16215c58..2ca478c802c 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -39,6 +39,12 @@ #define AR_CFG_PCI_MASTER_REQ_Q_THRESH 0x00060000 #define AR_CFG_PCI_MASTER_REQ_Q_THRESH_S 17 +#define AR_RXBP_THRESH 0x0018 +#define AR_RXBP_THRESH_HP 0x0000000f +#define AR_RXBP_THRESH_HP_S 0 +#define AR_RXBP_THRESH_LP 0x00003f00 +#define AR_RXBP_THRESH_LP_S 8 + #define AR_MIRT 0x0020 #define AR_MIRT_VAL 0x0000ffff #define AR_MIRT_VAL_S 16 |