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From b021a6bc1175442609af0b66d64f850883e155fb Mon Sep 17 00:00:00 2001
From: Chi-Hsien Lin <Chi-Hsien.Lin@cypress.com>
Date: Wed, 21 Nov 2018 07:53:48 +0000
Subject: [PATCH] brcmfmac: allow GCI core enumuration
GCI core is needed for ULP operation. Allow GCI core enumuration with
below changes:
- Allow GCI to be added to core list even when it doesn't have a wrapper.
- Allow 8K address space size.
- Don't overwrite the address value when an additional size descriptor
is in place.
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
.../wireless/broadcom/brcm80211/brcmfmac/chip.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
@@ -786,7 +786,7 @@ static int brcmf_chip_dmp_get_regaddr(st
u32 *regbase, u32 *wrapbase)
{
u8 desc;
- u32 val;
+ u32 val, szdesc;
u8 mpnum = 0;
u8 stype, sztype, wraptype;
@@ -832,14 +832,15 @@ static int brcmf_chip_dmp_get_regaddr(st
/* next size descriptor can be skipped */
if (sztype == DMP_SLAVE_SIZE_DESC) {
- val = brcmf_chip_dmp_get_desc(ci, eromaddr, NULL);
+ szdesc = brcmf_chip_dmp_get_desc(ci, eromaddr, NULL);
/* skip upper size descriptor if present */
- if (val & DMP_DESC_ADDRSIZE_GT32)
+ if (szdesc & DMP_DESC_ADDRSIZE_GT32)
brcmf_chip_dmp_get_desc(ci, eromaddr, NULL);
}
- /* only look for 4K register regions */
- if (sztype != DMP_SLAVE_SIZE_4K)
+ /* look for 4K or 8K register regions */
+ if (sztype != DMP_SLAVE_SIZE_4K &&
+ sztype != DMP_SLAVE_SIZE_8K)
continue;
stype = (val & DMP_SLAVE_TYPE) >> DMP_SLAVE_TYPE_S;
@@ -896,7 +897,8 @@ int brcmf_chip_dmp_erom_scan(struct brcm
/* need core with ports */
if (nmw + nsw == 0 &&
- id != BCMA_CORE_PMU)
+ id != BCMA_CORE_PMU &&
+ id != BCMA_CORE_GCI)
continue;
/* try to obtain register address info */
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