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authorSujith <Sujith.Manoharan@atheros.com>2010-06-01 15:14:10 +0530
committerJohn W. Linville <linville@tuxdriver.com>2010-06-03 14:10:46 -0400
commite9141f71f4734584bc9704e1266090abe98e1859 (patch)
tree0441d1a0bc03bbe36ff2d6e8a4b1b0b3da2c23d9 /drivers/net/wireless/ath/ath9k/ar9002_hw.c
parent15ae733b25b7d74e9ef14eab8414447204bdcc1b (diff)
downloadblackbird-op-linux-e9141f71f4734584bc9704e1266090abe98e1859.tar.gz
blackbird-op-linux-e9141f71f4734584bc9704e1266090abe98e1859.zip
ath9k_hw: Fix async fifo for AR9287
Async fifo is now enabled only for versions 1.3 and above. Enable it in the appropriate place, in the reset routine, instead of process_ini(). Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9002_hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9002_hw.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index 748449cd5872..7ba9dd68cc05 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -18,6 +18,7 @@
#include "ar5008_initvals.h"
#include "ar9001_initvals.h"
#include "ar9002_initvals.h"
+#include "ar9002_phy.h"
/* General hardware code for the A5008/AR9001/AR9002 hadware families */
@@ -565,18 +566,29 @@ int ar9002_hw_rf_claim(struct ath_hw *ah)
return 0;
}
+void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
+{
+ if (AR_SREV_9287_13_OR_LATER(ah)) {
+ REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+ AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
+ REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
+ REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+ AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
+ REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+ AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
+ }
+}
+
/*
- * Enable ASYNC FIFO
- *
* If Async FIFO is enabled, the following counters change as MAC now runs
* at 117 Mhz instead of 88/44MHz when async FIFO is disabled.
*
* The values below tested for ht40 2 chain.
* Overwrite the delay/timeouts initialized in process ini.
*/
-void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
+void ar9002_hw_update_async_fifo(struct ath_hw *ah)
{
- if (AR_SREV_9287_12_OR_LATER(ah)) {
+ if (AR_SREV_9287_13_OR_LATER(ah)) {
REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR);
REG_WRITE(ah, AR_D_GBL_IFS_SLOT,
@@ -600,9 +612,9 @@ void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
*/
void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah)
{
- if (AR_SREV_9287_12_OR_LATER(ah)) {
+ if (AR_SREV_9287_13_OR_LATER(ah)) {
REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
- AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
+ AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
}
}
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