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[RFC,v4,07/21] ath10k: add sdio extra initializations

Message ID 1487693741-10042-8-git-send-email-erik.stromdahl@gmail.com (mailing list archive)
State RFC
Delegated to: Kalle Valo
Headers show

Commit Message

Erik Stromdahl Feb. 21, 2017, 4:15 p.m. UTC 
Extra initializations needed by all sdio boards.
Derived from qcacld.

Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com>
---
 drivers/net/wireless/ath/ath10k/core.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
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Patch

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 83ab651..eae502e 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -377,6 +377,27 @@  static void ath10k_send_suspend_complete(struct ath10k *ar)
 	complete(&ar->target_suspend);
 }
 
+static void ath10k_sdio_extra_initialization(struct ath10k *ar)
+{
+	u32 param = 0;
+
+	/* Turn on fwlog.
+	 */
+	ath10k_bmi_read32(ar, hi_option_flag, &param);
+	param &= ~(HI_OPTION_DISABLE_DBGLOG);
+	ath10k_bmi_write32(ar, hi_option_flag, param);
+
+	ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256);
+	ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
+	ath10k_bmi_read32(ar, hi_acs_flags, &param);
+
+	param |= (HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET |
+		  HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET |
+		  HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE);
+
+	ath10k_bmi_write32(ar, hi_acs_flags, param);
+}
+
 static int ath10k_init_configure_target(struct ath10k *ar)
 {
 	u32 param_host;
@@ -1916,6 +1937,9 @@  int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
 	if (status)
 		goto err;
 
+	if (ar->hif.bus == ATH10K_BUS_SDIO)
+		ath10k_sdio_extra_initialization(ar);
+
 	ar->htc.htc_ops.target_send_suspend_complete =
 		ath10k_send_suspend_complete;