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authorFelix Fietkau <nbd@openwrt.org>2014-09-09 08:03:00 +0000
committerFelix Fietkau <nbd@openwrt.org>2014-09-09 08:03:00 +0000
commit4ba3d616be4ebbb46a60e39b1e0b31768e9cd748 (patch)
treeaa1155a3130e962a577386d70c8f287a5ab79ff4 /package
parent54cd991725079fdce550e86f2303ece870203386 (diff)
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ath9k: fix pll clock initialization on newer soc devices (fixes #14916)
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 42453
Diffstat (limited to 'package')
-rw-r--r--package/kernel/mac80211/patches/300-pending_work.patch125
-rw-r--r--package/kernel/mac80211/patches/523-ath9k_use_configured_antenna_gain.patch2
-rw-r--r--package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch4
-rw-r--r--package/kernel/mac80211/patches/543-ath9k-allow-to-disable-bands-via-platform-data.patch2
-rw-r--r--package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch4
-rw-r--r--package/kernel/mac80211/patches/551-ath9k-ar933x-usb-hang-workaround.patch8
-rw-r--r--package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch4
-rw-r--r--package/kernel/mac80211/patches/565-ath9k_restart_after_nfcal_failure.patch2
-rw-r--r--package/kernel/mac80211/patches/567-ath9k_fix_init_nfcal.patch2
9 files changed, 139 insertions, 14 deletions
diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch
index 6d1bc80..fc1ff10 100644
--- a/package/kernel/mac80211/patches/300-pending_work.patch
+++ b/package/kernel/mac80211/patches/300-pending_work.patch
@@ -1,3 +1,23 @@
+commit 11f17631d9bf2a9e910dac7d09ba4581f5693831
+Author: Felix Fietkau <nbd@openwrt.org>
+Date: Tue Sep 9 09:48:30 2014 +0200
+
+ ath9k_hw: fix PLL clock initialization for newer SoC
+
+ On AR934x and newer SoC devices, the layout of the AR_RTC_PLL_CONTROL
+ register changed. This currently breaks at least 5/10 MHz operation.
+ AR933x uses the old layout.
+
+ It might also have been causing other stability issues because of the
+ different location of the PLL_BYPASS bit which needs to be set during
+ PLL clock initialization.
+
+ This patch also removes more instances of hardcoded register values in
+ favor of properly computed ones with the PLL_BYPASS bit added.
+
+ Reported-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+
commit 0fecedddd4a0945873db1bd230ec6a168b3cc4fe
Author: Felix Fietkau <nbd@openwrt.org>
Date: Mon Sep 8 18:35:08 2014 +0200
@@ -3166,3 +3186,108 @@ Date: Mon May 19 21:20:49 2014 +0200
if (level != aniState->spurImmunityLevel) {
ath_dbg(common, ANI,
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -517,6 +517,23 @@ static void ar9003_hw_spur_mitigate(stru
+ ar9003_hw_spur_mitigate_ofdm(ah, chan);
+ }
+
++static u32 ar9003_hw_compute_pll_control_soc(struct ath_hw *ah,
++ struct ath9k_channel *chan)
++{
++ u32 pll;
++
++ pll = SM(0x5, AR_RTC_9300_SOC_PLL_REFDIV);
++
++ if (chan && IS_CHAN_HALF_RATE(chan))
++ pll |= SM(0x1, AR_RTC_9300_SOC_PLL_CLKSEL);
++ else if (chan && IS_CHAN_QUARTER_RATE(chan))
++ pll |= SM(0x2, AR_RTC_9300_SOC_PLL_CLKSEL);
++
++ pll |= SM(0x2c, AR_RTC_9300_SOC_PLL_DIV_INT);
++
++ return pll;
++}
++
+ static u32 ar9003_hw_compute_pll_control(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+ {
+@@ -1779,7 +1796,12 @@ void ar9003_hw_attach_phy_ops(struct ath
+
+ priv_ops->rf_set_freq = ar9003_hw_set_channel;
+ priv_ops->spur_mitigate_freq = ar9003_hw_spur_mitigate;
+- priv_ops->compute_pll_control = ar9003_hw_compute_pll_control;
++
++ if (AR_SREV_9340(ah) || AR_SREV_9550(ah) || AR_SREV_9531(ah))
++ priv_ops->compute_pll_control = ar9003_hw_compute_pll_control_soc;
++ else
++ priv_ops->compute_pll_control = ar9003_hw_compute_pll_control;
++
+ priv_ops->set_channel_regs = ar9003_hw_set_channel_regs;
+ priv_ops->init_bb = ar9003_hw_init_bb;
+ priv_ops->process_ini = ar9003_hw_process_ini;
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -702,6 +702,8 @@ static void ath9k_hw_init_pll(struct ath
+ {
+ u32 pll;
+
++ pll = ath9k_hw_compute_pll_control(ah, chan);
++
+ if (AR_SREV_9485(ah) || AR_SREV_9565(ah)) {
+ /* program BB PLL ki and kd value, ki=0x4, kd=0x40 */
+ REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
+@@ -752,7 +754,8 @@ static void ath9k_hw_init_pll(struct ath
+ REG_RMW_FIELD(ah, AR_CH0_DDR_DPLL3,
+ AR_CH0_DPLL3_PHASE_SHIFT, 0x1);
+
+- REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
++ REG_WRITE(ah, AR_RTC_PLL_CONTROL,
++ pll | AR_RTC_9300_PLL_BYPASS);
+ udelay(1000);
+
+ /* program refdiv, nint, frac to RTC register */
+@@ -768,7 +771,8 @@ static void ath9k_hw_init_pll(struct ath
+ } else if (AR_SREV_9340(ah) || AR_SREV_9550(ah) || AR_SREV_9531(ah)) {
+ u32 regval, pll2_divint, pll2_divfrac, refdiv;
+
+- REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
++ REG_WRITE(ah, AR_RTC_PLL_CONTROL,
++ pll | AR_RTC_9300_SOC_PLL_BYPASS);
+ udelay(1000);
+
+ REG_SET_BIT(ah, AR_PHY_PLL_MODE, 0x1 << 16);
+@@ -840,7 +844,6 @@ static void ath9k_hw_init_pll(struct ath
+ udelay(1000);
+ }
+
+- pll = ath9k_hw_compute_pll_control(ah, chan);
+ if (AR_SREV_9565(ah))
+ pll |= 0x40000;
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
+--- a/drivers/net/wireless/ath/ath9k/reg.h
++++ b/drivers/net/wireless/ath/ath9k/reg.h
+@@ -1236,12 +1236,23 @@ enum {
+ #define AR_CH0_DPLL3_PHASE_SHIFT_S 23
+ #define AR_PHY_CCA_NOM_VAL_2GHZ -118
+
++#define AR_RTC_9300_SOC_PLL_DIV_INT 0x0000003f
++#define AR_RTC_9300_SOC_PLL_DIV_INT_S 0
++#define AR_RTC_9300_SOC_PLL_DIV_FRAC 0x000fffc0
++#define AR_RTC_9300_SOC_PLL_DIV_FRAC_S 6
++#define AR_RTC_9300_SOC_PLL_REFDIV 0x01f00000
++#define AR_RTC_9300_SOC_PLL_REFDIV_S 20
++#define AR_RTC_9300_SOC_PLL_CLKSEL 0x06000000
++#define AR_RTC_9300_SOC_PLL_CLKSEL_S 25
++#define AR_RTC_9300_SOC_PLL_BYPASS 0x08000000
++
+ #define AR_RTC_9300_PLL_DIV 0x000003ff
+ #define AR_RTC_9300_PLL_DIV_S 0
+ #define AR_RTC_9300_PLL_REFDIV 0x00003C00
+ #define AR_RTC_9300_PLL_REFDIV_S 10
+ #define AR_RTC_9300_PLL_CLKSEL 0x0000C000
+ #define AR_RTC_9300_PLL_CLKSEL_S 14
++#define AR_RTC_9300_PLL_BYPASS 0x00010000
+
+ #define AR_RTC_9160_PLL_DIV 0x000003ff
+ #define AR_RTC_9160_PLL_DIV_S 0
diff --git a/package/kernel/mac80211/patches/523-ath9k_use_configured_antenna_gain.patch b/package/kernel/mac80211/patches/523-ath9k_use_configured_antenna_gain.patch
index 0b28ab8..dcc3ee4 100644
--- a/package/kernel/mac80211/patches/523-ath9k_use_configured_antenna_gain.patch
+++ b/package/kernel/mac80211/patches/523-ath9k_use_configured_antenna_gain.patch
@@ -10,7 +10,7 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2721,7 +2721,7 @@ void ath9k_hw_apply_txpower(struct ath_h
+@@ -2724,7 +2724,7 @@ void ath9k_hw_apply_txpower(struct ath_h
channel = chan->chan;
chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
new_pwr = min_t(int, chan_pwr, reg->power_limit);
diff --git a/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch b/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch
index 2a56352..984955f 100644
--- a/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch
+++ b/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch
@@ -94,7 +94,7 @@
struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1735,6 +1735,20 @@ fail:
+@@ -1738,6 +1738,20 @@ fail:
return -EINVAL;
}
@@ -115,7 +115,7 @@
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata, bool fastcc)
{
-@@ -1940,6 +1954,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1943,6 +1957,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
ar9003_hw_disable_phy_restart(ah);
ath9k_hw_apply_gpio_override(ah);
diff --git a/package/kernel/mac80211/patches/543-ath9k-allow-to-disable-bands-via-platform-data.patch b/package/kernel/mac80211/patches/543-ath9k-allow-to-disable-bands-via-platform-data.patch
index 0501582..d99dcc8 100644
--- a/package/kernel/mac80211/patches/543-ath9k-allow-to-disable-bands-via-platform-data.patch
+++ b/package/kernel/mac80211/patches/543-ath9k-allow-to-disable-bands-via-platform-data.patch
@@ -11,7 +11,7 @@
int (*external_reset)(void);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2328,17 +2328,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
+@@ -2331,17 +2331,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
}
eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
diff --git a/package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch b/package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch
index 55472e5..dd2551a 100644
--- a/package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch
+++ b/package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch
@@ -18,7 +18,7 @@
void (*spectral_scan_trigger)(struct ath_hw *ah);
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -1764,6 +1764,26 @@ static void ar9003_hw_tx99_set_txpower(s
+@@ -1781,6 +1781,26 @@ static void ar9003_hw_tx99_set_txpower(s
ATH9K_POW_SM(p_pwr_array[ALL_TARGET_HT40_14], 0));
}
@@ -45,7 +45,7 @@
void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
-@@ -1794,6 +1814,7 @@ void ar9003_hw_attach_phy_ops(struct ath
+@@ -1816,6 +1836,7 @@ void ar9003_hw_attach_phy_ops(struct ath
priv_ops->set_radar_params = ar9003_hw_set_radar_params;
priv_ops->fast_chan_change = ar9003_hw_fast_chan_change;
diff --git a/package/kernel/mac80211/patches/551-ath9k-ar933x-usb-hang-workaround.patch b/package/kernel/mac80211/patches/551-ath9k-ar933x-usb-hang-workaround.patch
index 10280d97..a3094c0 100644
--- a/package/kernel/mac80211/patches/551-ath9k-ar933x-usb-hang-workaround.patch
+++ b/package/kernel/mac80211/patches/551-ath9k-ar933x-usb-hang-workaround.patch
@@ -20,7 +20,7 @@
/******************/
/* Chip Revisions */
/******************/
-@@ -1337,6 +1350,9 @@ static bool ath9k_hw_set_reset(struct at
+@@ -1340,6 +1353,9 @@ static bool ath9k_hw_set_reset(struct at
if (AR_SREV_9100(ah))
udelay(50);
@@ -30,7 +30,7 @@
return true;
}
-@@ -1436,6 +1452,9 @@ static bool ath9k_hw_chip_reset(struct a
+@@ -1439,6 +1455,9 @@ static bool ath9k_hw_chip_reset(struct a
ar9003_hw_internal_regulator_apply(ah);
ath9k_hw_init_pll(ah, chan);
@@ -40,7 +40,7 @@
return true;
}
-@@ -1730,8 +1749,14 @@ static int ath9k_hw_do_fastcc(struct ath
+@@ -1733,8 +1752,14 @@ static int ath9k_hw_do_fastcc(struct ath
if (AR_SREV_9271(ah))
ar9002_hw_load_ani_reg(ah, chan);
@@ -55,7 +55,7 @@
return -EINVAL;
}
-@@ -1959,6 +1984,9 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1962,6 +1987,9 @@ int ath9k_hw_reset(struct ath_hw *ah, st
if (AR_SREV_9565(ah) && common->bt_ant_diversity)
REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, AR_BTCOEX_WL_LNADIV_FORCE_ON);
diff --git a/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch b/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch
index 1e4f451..d18a1ff 100644
--- a/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch
+++ b/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch
@@ -79,7 +79,7 @@
/**
* ar9003_hw_set_channel - set channel on single-chip device
* @ah: atheros hardware structure
-@@ -954,11 +940,6 @@ static bool ar9003_hw_ani_control(struct
+@@ -971,11 +957,6 @@ static bool ar9003_hw_ani_control(struct
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_channel *chan = ah->curchan;
struct ar5416AniState *aniState = &ah->ani;
@@ -91,7 +91,7 @@
s32 value, value2;
switch (cmd & ah->ani_function) {
-@@ -972,61 +953,6 @@ static bool ar9003_hw_ani_control(struct
+@@ -989,61 +970,6 @@ static bool ar9003_hw_ani_control(struct
*/
u32 on = param ? 1 : 0;
diff --git a/package/kernel/mac80211/patches/565-ath9k_restart_after_nfcal_failure.patch b/package/kernel/mac80211/patches/565-ath9k_restart_after_nfcal_failure.patch
index 366cc3c..bed6d0f 100644
--- a/package/kernel/mac80211/patches/565-ath9k_restart_after_nfcal_failure.patch
+++ b/package/kernel/mac80211/patches/565-ath9k_restart_after_nfcal_failure.patch
@@ -152,7 +152,7 @@
unsigned int len = 0;
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
-@@ -376,9 +376,14 @@ void ath_ani_calibrate(unsigned long dat
+@@ -371,9 +371,14 @@ void ath_ani_calibrate(unsigned long dat
/* Perform calibration if necessary */
if (longcal || shortcal) {
diff --git a/package/kernel/mac80211/patches/567-ath9k_fix_init_nfcal.patch b/package/kernel/mac80211/patches/567-ath9k_fix_init_nfcal.patch
index 8a4be73..70ceca7 100644
--- a/package/kernel/mac80211/patches/567-ath9k_fix_init_nfcal.patch
+++ b/package/kernel/mac80211/patches/567-ath9k_fix_init_nfcal.patch
@@ -10,7 +10,7 @@
set_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1969,8 +1969,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1972,8 +1972,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
if (ath9k_hw_mci_is_enabled(ah))
ar9003_mci_check_bt(ah);