From a5415d625d35871dd8eaf3784a402f36c028c29d Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 21 Jun 2011 11:23:29 +0200
Subject: [PATCH] ath9k: add AR9330 specific PLL initialization
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/ath/ath9k/hw.c | 35 ++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 9840e0051084..99c90f71576e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -733,6 +733,39 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
AR_CH0_BB_DPLL2_PLL_PWD, 0x0);
udelay(1000);
+ } else if (AR_SREV_9330(ah)) {
+ u32 ddr_dpll2, pll_control2, kd;
+
+ if (ah->is_clk_25mhz) {
+ ddr_dpll2 = 0x18e82f01;
+ pll_control2 = 0xe04a3d;
+ kd = 0x1d;
+ } else {
+ ddr_dpll2 = 0x19e82f01;
+ pll_control2 = 0x886666;
+ kd = 0x3d;
+ }
+
+ /* program DDR PLL ki and kd value */
+ REG_WRITE(ah, AR_CH0_DDR_DPLL2, ddr_dpll2);
+
+ /* program DDR PLL phase_shift */
+ REG_RMW_FIELD(ah, AR_CH0_DDR_DPLL3,
+ AR_CH0_DPLL3_PHASE_SHIFT, 0x1);
+
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
+ udelay(1000);
+
+ /* program refdiv, nint, frac to RTC register */
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL2, pll_control2);
+
+ /* program BB PLL kd and ki value */
+ REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, AR_CH0_DPLL2_KD, kd);
+ REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, AR_CH0_DPLL2_KI, 0x06);
+
+ /* 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)) {
u32 regval, pll2_divint, pll2_divfrac, refdiv;
@@ -774,7 +807,7 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
- if (AR_SREV_9485(ah) || AR_SREV_9340(ah))
+ if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah))
udelay(1000);
/* Switch the core clock for ar9271 to 117Mhz */
--
GitLab