From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from [217.148.43.144] ([217.148.43.144]:50572 "EHLO mnementh.co.uk" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751301AbdGQQsp (ORCPT ); Mon, 17 Jul 2017 12:48:45 -0400 From: Ian Molton To: linux-wireless@vger.kernel.org Cc: arend.vanspriel@broadcom.com, franky.lin@broadcom.com, hante.meuleman@broadcom.com Subject: [PATCH 20/29] brcmfmac: Whitespace patch Date: Mon, 17 Jul 2017 17:16:28 +0100 Message-Id: <20170717161637.4652-21-ian@mnementh.co.uk> (sfid-20170717_184852_616238_07C2D59C) In-Reply-To: <20170717161637.4652-1-ian@mnementh.co.uk> References: <20170717161637.4652-1-ian@mnementh.co.uk> Sender: linux-wireless-owner@vger.kernel.org List-ID: Improve legibility / conform to kernel coding style. Signed-off-by: Ian Molton --- .../wireless/broadcom/brcm80211/brcmfmac/chip.c | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c index 781f54bb844b..38794d7c1da8 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c @@ -276,29 +276,36 @@ static void brcmf_chip_sb_coredisable(struct brcmf_core *core, base = core->base; val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + if (val & SSB_TMSLOW_RESET) return; val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + if ((val & SSB_TMSLOW_CLOCK) != 0) { /* * set target reject and spin until busy is clear * (preserve core-specific bits) */ val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), val | SSB_TMSLOW_REJECT); val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(1); + SPINWAIT((ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)) & SSB_TMSHIGH_BUSY), 100000); val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); + if (val & SSB_TMSHIGH_BUSY) brcmf_err("core state still busy\n"); val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); + if (val & SSB_IDLOW_INITIATOR) { val = ci->ops->read32(ci->ctx, CORE_SB(base, sbimstate)); @@ -316,16 +323,22 @@ static void brcmf_chip_sb_coredisable(struct brcmf_core *core, /* set reset and reject while enabling the clocks */ val = SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET; + ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), val); + val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(10); /* clear the initiator reject bit */ val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); + if (val & SSB_IDLOW_INITIATOR) { val = ci->ops->read32(ci->ctx, CORE_SB(base, sbimstate)); + val &= ~SSB_IMSTATE_REJECT; + ci->ops->write32(ci->ctx, CORE_SB(base, sbimstate), val); } @@ -334,6 +347,7 @@ static void brcmf_chip_sb_coredisable(struct brcmf_core *core, /* leave reset and reject asserted */ ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), (SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET)); + udelay(1); } @@ -345,17 +359,20 @@ static void brcmf_chip_ai_coredisable(struct brcmf_core *core, /* if core is already in reset, skip reset */ regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); + if ((regdata & BCMA_RESET_CTL_RESET) != 0) goto in_reset_configure; /* configure reset */ ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, prereset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); + ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); /* put in reset */ ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, BCMA_RESET_CTL_RESET); + usleep_range(10, 20); /* wait till reset is 1 */ @@ -366,6 +383,7 @@ static void brcmf_chip_ai_coredisable(struct brcmf_core *core, /* in-reset configure */ ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, reset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); + ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); } @@ -390,15 +408,19 @@ static void brcmf_chip_sb_resetcore(struct brcmf_core *core, u32 prereset, ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET); + regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(1); /* clear any serror */ regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); + if (regdata & SSB_TMSHIGH_SERR) ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatehigh), 0); regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbimstate)); + if (regdata & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) { regdata &= ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO); ci->ops->write32(ci->ctx, CORE_SB(base, sbimstate), regdata); @@ -407,13 +429,17 @@ static void brcmf_chip_sb_resetcore(struct brcmf_core *core, u32 prereset, /* clear reset and allow it to propagate throughout the core */ ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK); + regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(1); /* leave clock enabled */ ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), SSB_TMSLOW_CLOCK); + regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); + udelay(1); } @@ -427,17 +453,23 @@ static void brcmf_chip_ai_resetcore(struct brcmf_core *core, u32 prereset, brcmf_chip_ai_coredisable(core, prereset, reset); count = 0; + while (ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET) { + ci->ops->write32(ci->ctx, core->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); } @@ -908,6 +940,7 @@ static int brcmf_chip_recognition(struct brcmf_chip *ci) brcmf_err("SB chip is not supported\n"); return -ENODEV; } + ci->iscoreup = brcmf_chip_sb_iscoreup; ci->coredisable = brcmf_chip_sb_coredisable; ci->resetcore = brcmf_chip_sb_resetcore; @@ -915,25 +948,31 @@ static int brcmf_chip_recognition(struct brcmf_chip *ci) core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON, SI_ENUM_BASE, 0); brcmf_chip_sb_corerev(ci, core); + core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, BCM4329_CORE_BUS_BASE, 0); brcmf_chip_sb_corerev(ci, core); + core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, BCM4329_CORE_SOCRAM_BASE, 0); brcmf_chip_sb_corerev(ci, core); + core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, BCM4329_CORE_ARM_BASE, 0); brcmf_chip_sb_corerev(ci, core); core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0); brcmf_chip_sb_corerev(ci, core); + break; case SOCI_AXI: + ci->iscoreup = brcmf_chip_ai_iscoreup; ci->coredisable = brcmf_chip_ai_coredisable; ci->resetcore = brcmf_chip_ai_resetcore; brcmf_chip_dmp_erom_scan(ci); + break; default: brcmf_err("chip backplane type %u is not supported\n", @@ -1301,24 +1340,32 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *chip) case BRCM_CC_43241_CHIP_ID: case BRCM_CC_4335_CHIP_ID: case BRCM_CC_4339_CHIP_ID: + /* read PMU chipcontrol register 3 */ addr = CORE_CC_REG(pmu->base, chipcontrol_addr); chip->ops->write32(chip->ctx, addr, 3); + addr = CORE_CC_REG(pmu->base, chipcontrol_data); reg = chip->ops->read32(chip->ctx, addr); + return (reg & pmu_cc3_mask) != 0; case BRCM_CC_43430_CHIP_ID: + addr = CORE_CC_REG(base, sr_control1); reg = chip->ops->read32(chip->ctx, addr); + return reg != 0; default: + addr = CORE_CC_REG(pmu->base, pmucapabilities_ext); reg = chip->ops->read32(chip->ctx, addr); + if ((reg & PCAPEXT_SR_SUPPORTED_MASK) == 0) return false; addr = CORE_CC_REG(pmu->base, retention_ctl); reg = chip->ops->read32(chip->ctx, addr); + return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK | PMU_RCTL_LOGIC_DISABLE_MASK)) == 0; } -- 2.11.0