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-rw-r--r--package/mac80211/patches/586-ath9k-fix-PLL-initialization-for-AR9550.patch75
1 files changed, 75 insertions, 0 deletions
diff --git a/package/mac80211/patches/586-ath9k-fix-PLL-initialization-for-AR9550.patch b/package/mac80211/patches/586-ath9k-fix-PLL-initialization-for-AR9550.patch
new file mode 100644
index 0000000000..102363066c
--- /dev/null
+++ b/package/mac80211/patches/586-ath9k-fix-PLL-initialization-for-AR9550.patch
@@ -0,0 +1,75 @@
+From d211df2956ae9d696bb0cab985426e0d236544b8 Mon Sep 17 00:00:00 2001
+From: Gabor Juhos <juhosg@openwrt.org>
+Date: Mon, 2 Jul 2012 17:16:00 +0200
+Subject: [PATCH 17/20] ath9k: fix PLL initialization for AR9550
+
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
+---
+ drivers/net/wireless/ath/ath9k/hw.c | 27 +++++++++++++++++++--------
+ 1 files changed, 19 insertions(+), 8 deletions(-)
+
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -861,7 +861,7 @@ static void ath9k_hw_init_pll(struct ath
+ /* 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)) {
++ } else if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) {
+ u32 regval, pll2_divint, pll2_divfrac, refdiv;
+
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
+@@ -875,9 +875,15 @@ static void ath9k_hw_init_pll(struct ath
+ pll2_divfrac = 0x1eb85;
+ refdiv = 3;
+ } else {
+- pll2_divint = 88;
+- pll2_divfrac = 0;
+- refdiv = 5;
++ if (AR_SREV_9340(ah)) {
++ pll2_divint = 88;
++ pll2_divfrac = 0;
++ refdiv = 5;
++ } else {
++ pll2_divint = 0x11;
++ pll2_divfrac = 0x26666;
++ refdiv = 1;
++ }
+ }
+
+ regval = REG_READ(ah, AR_PHY_PLL_MODE);
+@@ -890,8 +896,12 @@ static void ath9k_hw_init_pll(struct ath
+ udelay(100);
+
+ regval = REG_READ(ah, AR_PHY_PLL_MODE);
+- regval = (regval & 0x80071fff) | (0x1 << 30) | (0x1 << 13) |
+- (0x4 << 26) | (0x18 << 19);
++ if (AR_SREV_9340(ah))
++ regval = (regval & 0x80071fff) | (0x1 << 30) |
++ (0x1 << 13) | (0x4 << 26) | (0x18 << 19);
++ else
++ regval = (regval & 0x80071fff) | (0x3 << 30) |
++ (0x1 << 13) | (0x4 << 26) | (0x60 << 19);
+ REG_WRITE(ah, AR_PHY_PLL_MODE, regval);
+ REG_WRITE(ah, AR_PHY_PLL_MODE,
+ REG_READ(ah, AR_PHY_PLL_MODE) & 0xfffeffff);
+@@ -902,7 +912,8 @@ static void ath9k_hw_init_pll(struct ath
+
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
+
+- if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah))
++ if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah) ||
++ AR_SREV_9550(ah))
+ udelay(1000);
+
+ /* Switch the core clock for ar9271 to 117Mhz */
+@@ -915,7 +926,7 @@ static void ath9k_hw_init_pll(struct ath
+
+ REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
+
+- if (AR_SREV_9340(ah)) {
++ if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) {
+ if (ah->is_clk_25mhz) {
+ REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
+ REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);