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qcacmn: Set IPA WBM2SW ring HP to DDR addr on disable pipes

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WLAN HW can still access the IPA tx doorbell address post
disable pipes if there are any pending tx completions which
could result in a NOC error.

Fix is to reset the WBM2SW ring HP addr to shadow addr in
DDR before pipes are disabled.

Change-Id: I52900eb34530388487923a887354ef8839d8c728
CRs-Fixed: 2846421
This commit is contained in:
Yeshwanth Sriram Guntuka
2020-12-29 00:00:21 +05:30
committed by snandini
parent 4096046a47
commit 871c29e8f2
4 changed files with 85 additions and 69 deletions
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16
hal/wifi3.0/hal_srng.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@@ -1085,17 +1085,17 @@ void hal_reo_read_write_ctrl_ix(hal_soc_handle_t hal_soc_hdl, bool read,
}
/**
* hal_srng_dst_set_hp_paddr() - Set physical address to dest ring head pointer
* hal_srng_dst_set_hp_paddr_confirm() - Set physical address to dest ring head
* pointer and confirm that write went through by reading back the value
* @srng: sring pointer
* @paddr: physical address
*
* Return: None
*/
void hal_srng_dst_set_hp_paddr(struct hal_srng *srng,
uint64_t paddr)
void hal_srng_dst_set_hp_paddr_confirm(struct hal_srng *srng, uint64_t paddr)
{
SRNG_DST_REG_WRITE(srng, HP_ADDR_LSB,
paddr & 0xffffffff);
SRNG_DST_REG_WRITE(srng, HP_ADDR_MSB,
paddr >> 32);
SRNG_DST_REG_WRITE_CONFIRM(srng, HP_ADDR_LSB, paddr & 0xffffffff);
SRNG_DST_REG_WRITE_CONFIRM(srng, HP_ADDR_MSB, paddr >> 32);
}
/**