diff options
| author | Wright Feng <wright.feng@cypress.com> | 2018-12-03 17:39:33 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:35:49 +0800 |
| commit | 8f50bea9357af3088dba0103f0017d56763b0ae9 (patch) | |
| tree | 1aab84d4eedb22d41e2e9510ae02384d4a37455c /drivers/net/wireless/broadcom/brcm80211/brcmfmac | |
| parent | 47b205952ca6be6216e19a121f1fb400c5fcf7e7 (diff) | |
MLK-20679 brcmfmac: reset two D11 cores if chip has two D11 cores
There are two D11 cores in RSDB chips like 4359. We have to reset two
D11 cores simutaneously before firmware download, or the firmware may
not be initialized correctly and cause "fw initialized failed" error.
Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac')
3 files changed, 52 insertions, 1 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c index ba1d279497ea..a62acf76f258 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c @@ -444,11 +444,25 @@ static void brcmf_chip_ai_resetcore(struct brcmf_core_priv *core, u32 prereset, { struct brcmf_chip_priv *ci; int count; + struct brcmf_core *d11core2 = NULL; + struct brcmf_core_priv *d11priv2 = NULL; ci = core->chip; + /* special handle two D11 cores reset */ + if (core->pub.id == BCMA_CORE_80211) { + d11core2 = brcmf_chip_get_d11core(&ci->pub, 1); + if (d11core2) { + brcmf_dbg(INFO, "found two d11 cores, reset both\n"); + d11priv2 = container_of(d11core2, struct brcmf_core_priv, + pub); + } + } + /* must disable first to work for arbitrary current core state */ brcmf_chip_ai_coredisable(core, prereset, reset); + if (d11priv2) + brcmf_chip_ai_coredisable(d11priv2, prereset, reset); count = 0; while (ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) & @@ -460,9 +474,30 @@ static void brcmf_chip_ai_resetcore(struct brcmf_core_priv *core, u32 prereset, usleep_range(40, 60); } + if (d11priv2) { + count = 0; + while (ci->ops->read32(ci->ctx, + d11priv2->wrapbase + BCMA_RESET_CTL) & + BCMA_RESET_CTL_RESET) { + ci->ops->write32(ci->ctx, + d11priv2->wrapbase + BCMA_RESET_CTL, + 0); + count++; + if (count > 50) + break; + usleep_range(40, 60); + } + } + ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, postreset | BCMA_IOCTL_CLK); ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); + + if (d11priv2) { + ci->ops->write32(ci->ctx, d11priv2->wrapbase + BCMA_IOCTL, + postreset | BCMA_IOCTL_CLK); + ci->ops->read32(ci->ctx, d11priv2->wrapbase + BCMA_IOCTL); + } } static char *brcmf_chip_name(uint chipid, char *buf, uint len) @@ -1119,6 +1154,21 @@ void brcmf_chip_detach(struct brcmf_chip *pub) kfree(chip); } +struct brcmf_core *brcmf_chip_get_d11core(struct brcmf_chip *pub, u8 unit) +{ + struct brcmf_chip_priv *chip; + struct brcmf_core_priv *core; + + chip = container_of(pub, struct brcmf_chip_priv, pub); + list_for_each_entry(core, &chip->cores, list) { + if (core->pub.id == BCMA_CORE_80211) { + if (unit-- == 0) + return &core->pub; + } + } + return NULL; +} + struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *pub, u16 coreid) { struct brcmf_chip_priv *chip; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h index dd0ec3eba6a9..fe80270d856c 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h @@ -86,6 +86,7 @@ void brcmf_chip_detach(struct brcmf_chip *chip); struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *chip, u16 coreid); struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *chip); struct brcmf_core *brcmf_chip_get_pmu(struct brcmf_chip *pub); +struct brcmf_core *brcmf_chip_get_d11core(struct brcmf_chip *pub, u8 unit); bool brcmf_chip_iscoreup(struct brcmf_core *core); void brcmf_chip_coredisable(struct brcmf_core *core, u32 prereset, u32 reset); void brcmf_chip_resetcore(struct brcmf_core *core, u32 prereset, u32 reset, diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index e9fcbee61a7b..bde89596c14e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -78,7 +78,7 @@ static struct brcmf_firmware_mapping brcmf_pcie_fwnames[] = { BRCMF_FW_NVRAM_ENTRY(BRCM_CC_4371_CHIP_ID, 0xFFFFFFFF, 4371), }; -#define BRCMF_PCIE_FW_UP_TIMEOUT 2000 /* msec */ +#define BRCMF_PCIE_FW_UP_TIMEOUT 5000 /* msec */ #define BRCMF_PCIE_REG_MAP_SIZE (32 * 1024) |