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wil6210: reset on power good 

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@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2014-03-17 15:34:15 +02:00 committed by John W. Linville
parent 1712399121
commit 972072aa79
2 changed files with 8 additions and 2 deletions
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8
drivers/net/wireless/ath/wil6210/main.c
View File

@ -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)

2
drivers/net/wireless/ath/wil6210/wil6210.h
View File

@ -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)