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Commit 3b604b6c authored by Mohammed Shafi Shajakhan's avatar Mohammed Shafi Shajakhan Committed by John W. Linville
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ath9k_hw: INI changes for WoW for AR9002 chipsets 



for AR9002 family of chipsets and for WoW sleep, we reprogram
the SerDes so that the PLL and CHK REQ are both enabled. this
uses more power but in certain cases this is required as otherwise
WoW sleep is unstable and chip may disappear.

Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com>
Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Cc: vadivel@qca.qualcomm.com
Signed-off-by: default avatarLuis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: default avatarMohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 9f11e16e

drivers/net/wireless/ath/ath9k/ar9002_hw.c

+5 −0
Original line number Diff line number Diff line
@@ -43,6 +43,11 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah) 
		INIT_INI_ARRAY(&ah->iniPcieSerdes,

			   ar9280PciePhy_clkreq_always_on_L1_9280,

			   ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);

#ifdef CONFIG_PM_SLEEP

		INIT_INI_ARRAY(&ah->iniPcieSerdesWow,

			       ar9280PciePhy_awow,

			       ARRAY_SIZE(ar9280PciePhy_awow), 2);

#endif



	if (AR_SREV_9287_11_OR_LATER(ah)) {

		INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,

drivers/net/wireless/ath/ath9k/ar9002_initvals.h

+14 −0
Original line number Diff line number Diff line
@@ -925,6 +925,20 @@ static const u32 ar9280PciePhy_clkreq_always_on_L1_9280[][2] = { 
	{0x00004044, 0x00000000},

};



static const u32 ar9280PciePhy_awow[][2] = {

	/* Addr      allmodes  */

	{0x00004040, 0x9248fd00},

	{0x00004040, 0x24924924},

	{0x00004040, 0xa8000019},

	{0x00004040, 0x13160820},

	{0x00004040, 0xe5980560},

	{0x00004040, 0xc01dcffd},

	{0x00004040, 0x1aaabe41},

	{0x00004040, 0xbe105554},

	{0x00004040, 0x00043007},

	{0x00004044, 0x00000000},

};



static const u32 ar9285Modes_9285_1_2[][5] = {

	/* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */

	{0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160},

drivers/net/wireless/ath/ath9k/hw.h

+3 −0
Original line number Diff line number Diff line
@@ -860,6 +860,9 @@ struct ath_hw { 
	struct ar5416IniArray iniBank7;

	struct ar5416IniArray iniAddac;

	struct ar5416IniArray iniPcieSerdes;

#ifdef CONFIG_PM_SLEEP

	struct ar5416IniArray iniPcieSerdesWow;

#endif

	struct ar5416IniArray iniPcieSerdesLowPower;

	struct ar5416IniArray iniModesFastClock;

	struct ar5416IniArray iniAdditional;