diff options
Diffstat (limited to 'package/kernel/mac80211/patches/brcm/114-v5.6-0001-brcmfmac-reset-two-D11-cores-if-chip-has-two-D11-cor.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/brcm/114-v5.6-0001-brcmfmac-reset-two-D11-cores-if-chip-has-two-D11-cor.patch | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/brcm/114-v5.6-0001-brcmfmac-reset-two-D11-cores-if-chip-has-two-D11-cor.patch b/package/kernel/mac80211/patches/brcm/114-v5.6-0001-brcmfmac-reset-two-D11-cores-if-chip-has-two-D11-cor.patch new file mode 100644 index 0000000000..19bf41ad9b --- /dev/null +++ b/package/kernel/mac80211/patches/brcm/114-v5.6-0001-brcmfmac-reset-two-D11-cores-if-chip-has-two-D11-cor.patch @@ -0,0 +1,121 @@ +From 1b8d2e0a9e4221b99eea375c079507ce8ef655f5 Mon Sep 17 00:00:00 2001 +From: Wright Feng <wright.feng@cypress.com> +Date: Thu, 12 Dec 2019 00:52:45 +0100 +Subject: [PATCH 1/7] 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. + +Signed-off-by: Wright Feng <wright.feng@cypress.com> +Signed-off-by: Soeren Moch <smoch@web.de> +Reviewed-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../broadcom/brcm80211/brcmfmac/chip.c | 50 +++++++++++++++++++ + .../broadcom/brcm80211/brcmfmac/chip.h | 1 + + .../broadcom/brcm80211/brcmfmac/pcie.c | 2 +- + 3 files changed, 52 insertions(+), 1 deletion(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c +@@ -433,11 +433,25 @@ static void brcmf_chip_ai_resetcore(stru + { + 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) & +@@ -449,9 +463,30 @@ static void brcmf_chip_ai_resetcore(stru + 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); ++ } + } + + char *brcmf_chip_name(u32 id, u32 rev, char *buf, uint len) +@@ -1109,6 +1144,21 @@ void brcmf_chip_detach(struct brcmf_chip + 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; +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h +@@ -74,6 +74,7 @@ struct brcmf_chip *brcmf_chip_attach(voi + const struct brcmf_buscore_ops *ops); + 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_d11core(struct brcmf_chip *pub, u8 unit); + struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *chip); + struct brcmf_core *brcmf_chip_get_pmu(struct brcmf_chip *pub); + bool brcmf_chip_iscoreup(struct brcmf_core *core); +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +@@ -78,7 +78,7 @@ static const struct brcmf_firmware_mappi + BRCMF_FW_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) + |