diff options
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 49 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c | 45 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h | 2 |
3 files changed, 49 insertions, 47 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 84b10f1..af6f3a4 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -3090,51 +3090,6 @@ static int brcmf_sdbrcm_write_vars(struct brcmf_bus *bus) return bcmerror; } -static void -brcmf_sdbrcm_chip_resetcore(struct brcmf_sdio_dev *sdiodev, u32 corebase) -{ - u32 regdata; - - /* - * Must do the disable sequence first to work for - * arbitrary current core state. - */ - brcmf_sdio_chip_coredisable(sdiodev, corebase); - - /* - * Now do the initialization sequence. - * set reset while enabling the clock and - * forcing them on throughout the core - */ - brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4, - ((SICF_FGC | SICF_CLOCK_EN) << SBTML_SICF_SHIFT) | - SBTML_RESET); - udelay(1); - - regdata = brcmf_sdcard_reg_read(sdiodev, - CORE_SB(corebase, sbtmstatehigh), 4); - if (regdata & SBTMH_SERR) - brcmf_sdcard_reg_write(sdiodev, - CORE_SB(corebase, sbtmstatehigh), 4, 0); - - regdata = brcmf_sdcard_reg_read(sdiodev, - CORE_SB(corebase, sbimstate), 4); - if (regdata & (SBIM_IBE | SBIM_TO)) - brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbimstate), 4, - regdata & ~(SBIM_IBE | SBIM_TO)); - - /* clear reset and allow it to propagate throughout the core */ - brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4, - (SICF_FGC << SBTML_SICF_SHIFT) | - (SICF_CLOCK_EN << SBTML_SICF_SHIFT)); - udelay(1); - - /* leave clock enabled */ - brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4, - (SICF_CLOCK_EN << SBTML_SICF_SHIFT)); - udelay(1); -} - static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter) { uint retries; @@ -3149,7 +3104,7 @@ static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter) brcmf_sdio_chip_coredisable(bus->sdiodev, bus->ci->armcorebase); - brcmf_sdbrcm_chip_resetcore(bus->sdiodev, bus->ci->ramcorebase); + brcmf_sdio_chip_resetcore(bus->sdiodev, bus->ci->ramcorebase); /* Clear the top bit of memory */ if (bus->ramsize) { @@ -3174,7 +3129,7 @@ static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter) w_sdreg32(bus, 0xFFFFFFFF, offsetof(struct sdpcmd_regs, intstatus), &retries); - brcmf_sdbrcm_chip_resetcore(bus->sdiodev, bus->ci->armcorebase); + brcmf_sdio_chip_resetcore(bus->sdiodev, bus->ci->armcorebase); /* Allow HT Clock now that the ARM is running. */ bus->alp_only = false; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c index 5d788a6..4acdda1 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c @@ -155,6 +155,51 @@ brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev, u32 corebase) udelay(1); } +void +brcmf_sdio_chip_resetcore(struct brcmf_sdio_dev *sdiodev, u32 corebase) +{ + u32 regdata; + + /* + * Must do the disable sequence first to work for + * arbitrary current core state. + */ + brcmf_sdio_chip_coredisable(sdiodev, corebase); + + /* + * Now do the initialization sequence. + * set reset while enabling the clock and + * forcing them on throughout the core + */ + brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4, + ((SICF_FGC | SICF_CLOCK_EN) << SBTML_SICF_SHIFT) | + SBTML_RESET); + udelay(1); + + regdata = brcmf_sdcard_reg_read(sdiodev, + CORE_SB(corebase, sbtmstatehigh), 4); + if (regdata & SBTMH_SERR) + brcmf_sdcard_reg_write(sdiodev, + CORE_SB(corebase, sbtmstatehigh), 4, 0); + + regdata = brcmf_sdcard_reg_read(sdiodev, + CORE_SB(corebase, sbimstate), 4); + if (regdata & (SBIM_IBE | SBIM_TO)) + brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbimstate), 4, + regdata & ~(SBIM_IBE | SBIM_TO)); + + /* clear reset and allow it to propagate throughout the core */ + brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4, + (SICF_FGC << SBTML_SICF_SHIFT) | + (SICF_CLOCK_EN << SBTML_SICF_SHIFT)); + udelay(1); + + /* leave clock enabled */ + brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4, + (SICF_CLOCK_EN << SBTML_SICF_SHIFT)); + udelay(1); +} + static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, u32 regs) { diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h index 9c43e1d..6ad5ea6 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h @@ -133,6 +133,8 @@ struct sbconfig { u32 sbidhigh; /* identification */ }; +extern void brcmf_sdio_chip_resetcore(struct brcmf_sdio_dev *sdiodev, + u32 corebase); extern bool brcmf_sdio_chip_iscoreup(struct brcmf_sdio_dev *sdiodev, u32 corebase); extern void brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev, |