Configure hardware to perform full reset on "power good". This mean,
reset HW on system boot. This improves card stability.
By default this is off.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/main.c | 8 ++++++--
drivers/net/wireless/ath/wil6210/wil6210.h | 2 ++
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index bd27bee..6847622 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -241,8 +241,9 @@ static void wil_target_reset(struct wil6210_priv *wil)
/* register write */
#define W(a, v) iowrite32(v, wil->csr + HOSTADDR(a))
/* register set = read, OR, write */
-#define S(a, v) iowrite32(ioread32(wil->csr + HOSTADDR(a)) | v, \
- wil->csr + HOSTADDR(a))
+#define S(a, v) W(a, R(a) | v)
+ /* register clear = read, AND with inverted, write */
+#define C(a, v) W(a, R(a) & ~v)
wil->hw_version = R(RGF_USER_FW_REV_ID);
rev_id = wil->hw_version & 0xff;
@@ -286,11 +287,14 @@ static void wil_target_reset(struct wil6210_priv *wil)
if (rev_id == 2)
W(RGF_PCIE_LOS_COUNTER_CTL, BIT(8));
+ C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);
+
wil_dbg_misc(wil, "Reset completed in %d ms\n", delay);
#undef R
#undef W
#undef S
+#undef C
}
void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index b376399..f7d8f0e 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -79,6 +79,8 @@ struct RGF_ICR {
#define RGF_USER_MAC_CPU_0 (0x8801fc)
#define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
#define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */
+#define RGF_USER_CLKS_CTL_0 (0x880abc)
+ #define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */
#define RGF_USER_CLKS_CTL_SW_RST_VEC_0 (0x880b04)
#define RGF_USER_CLKS_CTL_SW_RST_VEC_1 (0x880b08)
#define RGF_USER_CLKS_CTL_SW_RST_VEC_2 (0x880b0c)
--
1.8.3.2
--
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