diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 8 | ||||
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c | 149 | ||||
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h | 6 |
3 files changed, 106 insertions, 57 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 4f936c6b682d..19057896d92e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -2263,8 +2263,6 @@ static void brcmf_sdio_bus_stop(struct device *dev) w_sdreg32(bus, local_hostintmask, offsetof(struct sdpcmd_regs, intstatus)); - /* Turn off the backplane clock (only) */ - brcmf_sdio_clkctl(bus, CLK_SDONLY, false); sdio_release_host(bus->sdiodev->func[1]); /* Clear the data packet queues */ @@ -4085,6 +4083,12 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus) if (bus->ci) { sdio_claim_host(bus->sdiodev->func[1]); brcmf_sdio_clkctl(bus, CLK_AVAIL, false); + /* Leave the device in state where it is 'quiet'. This + * is done by putting it in download_state which + * essentially resets all necessary cores + */ + msleep(20); + brcmf_sdio_download_state(bus, true); brcmf_sdio_clkctl(bus, CLK_NONE, false); sdio_release_host(bus->sdiodev->func[1]); brcmf_sdio_chip_detach(&bus->ci); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c index a74a3d1c3e00..434297648e34 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c @@ -51,6 +51,9 @@ #define BCM43143_CORE_ARM_BASE 0x18003000 #define BCM43143_RAMSIZE 0x70000 +/* All D11 cores, ID 0x812 */ +#define BCM43xx_CORE_D11_BASE 0x18001000 + #define SBCOREREV(sbidh) \ ((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \ ((sbidh) & SSB_IDHIGH_RCLO)) @@ -66,6 +69,10 @@ /* ARM CR4 core specific control flag bits */ #define ARMCR4_BCMA_IOCTL_CPUHALT 0x0020 +/* D11 core specific control flag bits */ +#define D11_BCMA_IOCTL_PHYCLOCKEN 0x0004 +#define D11_BCMA_IOCTL_PHYRESET 0x0008 + #define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu)) /* SDIO Pad drive strength to select value mappings */ struct sdiod_drive_str { @@ -193,7 +200,8 @@ brcmf_sdio_ai_iscoreup(struct brcmf_sdio_dev *sdiodev, static void brcmf_sdio_sb_coredisable(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid, u32 core_bits) + struct chip_info *ci, u16 coreid, u32 pre_resetbits, + u32 in_resetbits) { u32 regdata, base; u8 idx; @@ -279,52 +287,48 @@ brcmf_sdio_sb_coredisable(struct brcmf_sdio_dev *sdiodev, static void brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid, u32 core_bits) + struct chip_info *ci, u16 coreid, u32 pre_resetbits, + u32 in_resetbits) { u8 idx; u32 regdata; + u32 wrapbase; idx = brcmf_sdio_chip_getinfidx(ci, coreid); if (idx == BRCMF_MAX_CORENUM) return; + wrapbase = ci->c_inf[idx].wrapbase; + /* if core is already in reset, just return */ - regdata = brcmf_sdiod_regrl(sdiodev, - ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, - NULL); + regdata = brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_RESET_CTL, NULL); if ((regdata & BCMA_RESET_CTL_RESET) != 0) return; - /* ensure no pending backplane operation - * 300uc should be sufficient for backplane ops to be finish - * extra 10ms is taken into account for firmware load stage - * after 10300us carry on disabling the core anyway - */ - SPINWAIT(brcmf_sdiod_regrl(sdiodev, - ci->c_inf[idx].wrapbase+BCMA_RESET_ST, - NULL), 10300); - regdata = brcmf_sdiod_regrl(sdiodev, - ci->c_inf[idx].wrapbase+BCMA_RESET_ST, - NULL); - if (regdata) - brcmf_err("disabling core 0x%x with reset status %x\n", - coreid, regdata); + /* configure reset */ + brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_IOCTL, pre_resetbits | + BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL); + regdata = brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_IOCTL, NULL); - brcmf_sdiod_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, + /* put in reset */ + brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_RESET_CTL, BCMA_RESET_CTL_RESET, NULL); - udelay(1); - - brcmf_sdiod_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - core_bits, NULL); - regdata = brcmf_sdiod_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - NULL); usleep_range(10, 20); + /* wait till reset is 1 */ + SPINWAIT(brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_RESET_CTL, NULL) != + BCMA_RESET_CTL_RESET, 300); + + /* post reset configure */ + brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_IOCTL, pre_resetbits | + BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL); + regdata = brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_IOCTL, NULL); } static void brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid, u32 core_bits) + struct chip_info *ci, u16 coreid, u32 pre_resetbits, + u32 in_resetbits, u32 post_resetbits) { u32 regdata; u8 idx; @@ -337,7 +341,8 @@ brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev, * Must do the disable sequence first to work for * arbitrary current core state. */ - brcmf_sdio_sb_coredisable(sdiodev, ci, coreid, 0); + brcmf_sdio_sb_coredisable(sdiodev, ci, coreid, pre_resetbits, + in_resetbits); /* * Now do the initialization sequence. @@ -390,35 +395,32 @@ brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev, static void brcmf_sdio_ai_resetcore(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid, u32 core_bits) + struct chip_info *ci, u16 coreid, u32 pre_resetbits, + u32 in_resetbits, u32 post_resetbits) { u8 idx; u32 regdata; + u32 wrapbase; idx = brcmf_sdio_chip_getinfidx(ci, coreid); if (idx == BRCMF_MAX_CORENUM) return; + wrapbase = ci->c_inf[idx].wrapbase; + /* must disable first to work for arbitrary current core state */ - brcmf_sdio_ai_coredisable(sdiodev, ci, coreid, core_bits); + brcmf_sdio_ai_coredisable(sdiodev, ci, coreid, pre_resetbits, + in_resetbits); - /* now do initialization sequence */ - brcmf_sdiod_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - core_bits | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL); - regdata = brcmf_sdiod_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - NULL); - brcmf_sdiod_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, - 0, NULL); - regdata = brcmf_sdiod_regrl(sdiodev, - ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, - NULL); - udelay(1); + while (brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_RESET_CTL, NULL) & + BCMA_RESET_CTL_RESET) { + brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_RESET_CTL, 0, NULL); + usleep_range(40, 60); + } - brcmf_sdiod_regwl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - core_bits | BCMA_IOCTL_CLK, NULL); - regdata = brcmf_sdiod_regrl(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL, - NULL); - udelay(1); + brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_IOCTL, post_resetbits | + BCMA_IOCTL_CLK, NULL); + regdata = brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_IOCTL, NULL); } #ifdef DEBUG @@ -498,6 +500,9 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[3].base = BCM43143_CORE_ARM_BASE; ci->c_inf[3].wrapbase = ci->c_inf[3].base + 0x00100000; ci->c_inf[3].cib = 0x07000000; + ci->c_inf[4].id = BCMA_CORE_80211; + ci->c_inf[4].base = BCM43xx_CORE_D11_BASE; + ci->c_inf[4].wrapbase = ci->c_inf[4].base + 0x00100000; ci->ramsize = BCM43143_RAMSIZE; break; case BCM43241_CHIP_ID: @@ -515,6 +520,9 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[3].base = 0x18003000; ci->c_inf[3].wrapbase = 0x18103000; ci->c_inf[3].cib = 0x07004211; + ci->c_inf[4].id = BCMA_CORE_80211; + ci->c_inf[4].base = BCM43xx_CORE_D11_BASE; + ci->c_inf[4].wrapbase = ci->c_inf[4].base + 0x00100000; ci->ramsize = 0x90000; break; case BCM4329_CHIP_ID: @@ -524,6 +532,8 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[2].base = BCM4329_CORE_SOCRAM_BASE; ci->c_inf[3].id = BCMA_CORE_ARM_CM3; ci->c_inf[3].base = BCM4329_CORE_ARM_BASE; + ci->c_inf[4].id = BCMA_CORE_80211; + ci->c_inf[4].base = BCM43xx_CORE_D11_BASE; ci->ramsize = BCM4329_RAMSIZE; break; case BCM4330_CHIP_ID: @@ -541,6 +551,9 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[3].base = 0x18003000; ci->c_inf[3].wrapbase = 0x18103000; ci->c_inf[3].cib = 0x03004211; + ci->c_inf[4].id = BCMA_CORE_80211; + ci->c_inf[4].base = BCM43xx_CORE_D11_BASE; + ci->c_inf[4].wrapbase = ci->c_inf[4].base + 0x00100000; ci->ramsize = 0x48000; break; case BCM4334_CHIP_ID: @@ -558,6 +571,9 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[3].base = 0x18003000; ci->c_inf[3].wrapbase = 0x18103000; ci->c_inf[3].cib = 0x07004211; + ci->c_inf[4].id = BCMA_CORE_80211; + ci->c_inf[4].base = BCM43xx_CORE_D11_BASE; + ci->c_inf[4].wrapbase = ci->c_inf[4].base + 0x00100000; ci->ramsize = 0x80000; break; case BCM4335_CHIP_ID: @@ -571,6 +587,9 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[2].base = 0x18002000; ci->c_inf[2].wrapbase = 0x18102000; ci->c_inf[2].cib = 0x01084411; + ci->c_inf[3].id = BCMA_CORE_80211; + ci->c_inf[3].base = BCM43xx_CORE_D11_BASE; + ci->c_inf[3].wrapbase = ci->c_inf[3].base + 0x00100000; ci->ramsize = 0xc0000; ci->rambase = 0x180000; break; @@ -585,6 +604,9 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[2].base = 0x18002000; ci->c_inf[2].wrapbase = 0x18102000; ci->c_inf[2].cib = 0x04084411; + ci->c_inf[3].id = BCMA_CORE_80211; + ci->c_inf[3].base = BCM43xx_CORE_D11_BASE; + ci->c_inf[3].wrapbase = ci->c_inf[3].base + 0x00100000; ci->ramsize = 0xc0000; ci->rambase = 0x180000; break; @@ -603,6 +625,9 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, ci->c_inf[3].base = 0x18003000; ci->c_inf[3].wrapbase = 0x18103000; ci->c_inf[3].cib = 0x03004211; + ci->c_inf[4].id = BCMA_CORE_80211; + ci->c_inf[4].base = BCM43xx_CORE_D11_BASE; + ci->c_inf[4].wrapbase = ci->c_inf[4].base + 0x00100000; ci->ramsize = 0x3C000; break; default: @@ -713,7 +738,7 @@ brcmf_sdio_chip_buscoresetup(struct brcmf_sdio_dev *sdiodev, * Make sure any on-chip ARM is off (in case strapping is wrong), * or downloaded code was already running. */ - ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3, 0); + ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3, 0, 0); } int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev, @@ -846,8 +871,11 @@ static void brcmf_sdio_chip_cm3_enterdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci) { - ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3, 0); - ci->resetcore(sdiodev, ci, BCMA_CORE_INTERNAL_MEM, 0); + ci->coredisable(sdiodev, ci, BCMA_CORE_ARM_CM3, 0, 0); + ci->resetcore(sdiodev, ci, BCMA_CORE_80211, + D11_BCMA_IOCTL_PHYRESET | D11_BCMA_IOCTL_PHYCLOCKEN, + D11_BCMA_IOCTL_PHYCLOCKEN, D11_BCMA_IOCTL_PHYCLOCKEN); + ci->resetcore(sdiodev, ci, BCMA_CORE_INTERNAL_MEM, 0, 0, 0); } static bool @@ -867,7 +895,7 @@ brcmf_sdio_chip_cm3_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci) reg_addr += offsetof(struct sdpcmd_regs, intstatus); brcmf_sdiod_regwl(sdiodev, reg_addr, 0xFFFFFFFF, NULL); - ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CM3, 0); + ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CM3, 0, 0, 0); return true; } @@ -876,8 +904,22 @@ static inline void brcmf_sdio_chip_cr4_enterdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci) { - ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4, - ARMCR4_BCMA_IOCTL_CPUHALT); + u8 idx; + u32 regdata; + u32 wrapbase; + idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_ARM_CR4); + + if (idx == BRCMF_MAX_CORENUM) + return; + + wrapbase = ci->c_inf[idx].wrapbase; + regdata = brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_IOCTL, NULL); + regdata &= ARMCR4_BCMA_IOCTL_CPUHALT; + ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4, regdata, + ARMCR4_BCMA_IOCTL_CPUHALT, ARMCR4_BCMA_IOCTL_CPUHALT); + ci->resetcore(sdiodev, ci, BCMA_CORE_80211, + D11_BCMA_IOCTL_PHYRESET | D11_BCMA_IOCTL_PHYCLOCKEN, + D11_BCMA_IOCTL_PHYCLOCKEN, D11_BCMA_IOCTL_PHYCLOCKEN); } static bool @@ -897,7 +939,8 @@ brcmf_sdio_chip_cr4_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci) sizeof(ci->rst_vec)); /* restore ARM */ - ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4, 0); + ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4, ARMCR4_BCMA_IOCTL_CPUHALT, + 0, 0); return true; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h index c7d0dbc1ab59..91c61cb9de87 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h @@ -81,9 +81,11 @@ struct chip_info { u32 (*corerev)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, u16 coreid); void (*coredisable)(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid, u32 core_bits); + struct chip_info *ci, u16 coreid, u32 pre_resetbits, + u32 in_resetbits); void (*resetcore)(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci, u16 coreid, u32 core_bits); + struct chip_info *ci, u16 coreid, u32 pre_resetbits, + u32 in_resetbits, u32 post_resetbits); }; struct sbconfig { |