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authorVasanthakumar Thiagarajan <vasanth@atheros.com>2010-12-06 15:27:44 +0300
committerJohn W. Linville <linville@tuxdriver.com>2010-12-08 00:34:54 +0300
commitd09b17f73fd8f475f33d0b8311d7b5a0bed67c67 (patch)
tree8ab7eb6202be4f1dd176abce164e40e6ea1cd559 /drivers/net/wireless
parent47c80de62e9d6d262a829502d689a8b56add8d3d (diff)
downloadlinux-d09b17f73fd8f475f33d0b8311d7b5a0bed67c67.tar.xz
ath9k: Configure pll control for AR9485
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c7
-rw-r--r--drivers/net/wireless/ath/ath9k/reg.h2
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index a2f85b75b7f8..9f4398c88c85 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -667,7 +667,12 @@ static void ath9k_hw_init_qos(struct ath_hw *ah)
static void ath9k_hw_init_pll(struct ath_hw *ah,
struct ath9k_channel *chan)
{
- u32 pll = ath9k_hw_compute_pll_control(ah, chan);
+ u32 pll;
+
+ if (AR_SREV_9485(ah))
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL2, 0x886666);
+
+ pll = ath9k_hw_compute_pll_control(ah, chan);
REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 0153ba14a2f8..d3257f783a64 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1114,6 +1114,8 @@ enum {
#define AR_RTC_PLL_CONTROL \
((AR_SREV_9100(ah)) ? (AR_RTC_BASE + 0x0014) : 0x7014)
+#define AR_RTC_PLL_CONTROL2 0x703c
+
#define AR_RTC_PLL_DIV 0x0000001f
#define AR_RTC_PLL_DIV_S 0
#define AR_RTC_PLL_DIV2 0x00000020