diff options
| author | Carl Huang <cjhuang@codeaurora.org> | 2020-12-10 16:05:21 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-12-12 06:40:14 +0200 |
| commit | babb0ced6acdbaa0b5e0721ec7b347fdbdfa0f6f (patch) | |
| tree | 86afb2d78479577f3f0675a74ed86a60a734f837 /drivers/net/wireless/ath/ath11k/pci.h | |
| parent | 43ed15e1ee01631687ed8b2e8595859802bc9f10 (diff) | |
ath11k: pci: fix hot reset stability issues
For QCA6390, host needs to reset some registers before MHI power up to fix PCI
link unstable issue if hot reset happened. Also clear all pending interrupts
during power up.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-4-git-send-email-kvalo@codeaurora.org
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/pci.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/pci.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/pci.h b/drivers/net/wireless/ath/ath11k/pci.h index 9c503a17c237..296f1ca6b3ec 100644 --- a/drivers/net/wireless/ath/ath11k/pci.h +++ b/drivers/net/wireless/ath/ath11k/pci.h @@ -24,6 +24,16 @@ /* register used for handshake mechanism to validate UMAC is awake */ #define PCIE_SOC_WAKE_PCIE_LOCAL_REG 0x3004 +#define PCIE_PCIE_PARF_LTSSM 0x1e081b0 +#define PARM_LTSSM_VALUE 0x111 + +#define GCC_GCC_PCIE_HOT_RST 0x1e402bc +#define GCC_GCC_PCIE_HOT_RST_VAL 0x10 + +#define PCIE_PCIE_INT_ALL_CLEAR 0x1e08228 +#define PCIE_SMLH_REQ_RST_LINK_DOWN 0x2 +#define PCIE_INT_CLEAR_ALL 0xffffffff + struct ath11k_msi_user { char *name; int num_vectors; |