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ath9k_hw: Update ath9k_hw_set_dma for AR9300

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-04-15 17:39:22 -04:00 committed by John W. Linville
parent c14a85dad4
commit 57b32227cd
2 changed files with 21 additions and 3 deletions
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12
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -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
*/
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
@ -855,6 +858,7 @@ 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.
*/
if (!AR_SREV_9300_20_OR_LATER(ah))
REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
/*
@ -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.

6
drivers/net/wireless/ath/ath9k/reg.h
View File

@ -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