From: Franky Lin <frankyl@xxxxxxxxxxxx> New type of backplane interconnect support is needed for bcm4330 Reviewed-by: Arend van Spriel <arend@xxxxxxxxxxxx> Signed-off-by: Franky Lin <frankyl@xxxxxxxxxxxx> Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx> --- drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 4 +- .../net/wireless/brcm80211/brcmfmac/sdio_chip.c | 50 ++++++++++++++++++-- .../net/wireless/brcm80211/brcmfmac/sdio_chip.h | 6 ++- 3 files changed, 51 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 43b4496..5b81336 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -3120,9 +3120,7 @@ static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter) (u8 *)&zeros, 4); } } else { - idx = brcmf_sdio_chip_getinfidx(ci, BCMA_CORE_INTERNAL_MEM); - if (!brcmf_sdio_chip_iscoreup(bus->sdiodev, - ci->c_inf[idx].base)) { + if (!ci->iscoreup(bus->sdiodev, ci, BCMA_CORE_INTERNAL_MEM)) { brcmf_dbg(ERROR, "SOCRAM core is down after reset?\n"); bcmerror = -EBADE; goto fail; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c index 99d00dd..263ad0c 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c @@ -45,6 +45,10 @@ ((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \ ((sbidh) & SSB_IDHIGH_RCLO)) +/* SOC Interconnect types (aka chip types) */ +#define SOCI_SB 0 +#define SOCI_AI 1 + #define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu)) /* SDIO Pad drive strength to select value mappings */ struct sdiod_drive_str { @@ -106,19 +110,44 @@ brcmf_sdio_chip_corerev(struct brcmf_sdio_dev *sdiodev, return SBCOREREV(regdata); } -bool -brcmf_sdio_chip_iscoreup(struct brcmf_sdio_dev *sdiodev, - u32 corebase) +static bool +brcmf_sdio_sb_iscoreup(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci, u16 coreid) { u32 regdata; + u8 idx; + + idx = brcmf_sdio_chip_getinfidx(ci, coreid); regdata = brcmf_sdcard_reg_read(sdiodev, - CORE_SB(corebase, sbtmstatelow), 4); + CORE_SB(ci->c_inf[idx].base, sbtmstatelow), 4); regdata &= (SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT | SSB_IMSTATE_REJECT | SSB_TMSLOW_CLOCK); return (SSB_TMSLOW_CLOCK == regdata); } +static bool +brcmf_sdio_ai_iscoreup(struct brcmf_sdio_dev *sdiodev, + struct chip_info *ci, u16 coreid) +{ + u32 regdata; + u8 idx; + bool ret; + + idx = brcmf_sdio_chip_getinfidx(ci, coreid); + + regdata = brcmf_sdcard_reg_read(sdiodev, + ci->c_inf[idx].wrapbase+BCMA_IOCTL, 4); + ret = (regdata & (BCMA_IOCTL_FGC | BCMA_IOCTL_CLK)) == BCMA_IOCTL_CLK; + + regdata = brcmf_sdcard_reg_read(sdiodev, + ci->c_inf[idx].wrapbase+BCMA_RESET_CTL, + 4); + ret = ret && ((regdata & BCMA_RESET_CTL_RESET) == 0); + + return ret; +} + void brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev, u32 corebase) { @@ -258,6 +287,7 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, CORE_CC_REG(ci->c_inf[0].base, chipid), 4); ci->chip = regdata & CID_ID_MASK; ci->chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT; + ci->socitype = (regdata & CID_TYPE_MASK) >> CID_TYPE_SHIFT; brcmf_dbg(INFO, "chipid=0x%x chiprev=%d\n", ci->chip, ci->chiprev); @@ -277,6 +307,18 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev, return -ENODEV; } + switch (ci->socitype) { + case SOCI_SB: + ci->iscoreup = brcmf_sdio_sb_iscoreup; + break; + case SOCI_AI: + ci->iscoreup = brcmf_sdio_ai_iscoreup; + break; + default: + brcmf_dbg(ERROR, "socitype %u not supported\n", ci->socitype); + return -ENODEV; + } + return 0; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h index 0ee37ae..557c80d 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h @@ -65,12 +65,16 @@ struct chip_core_info { struct chip_info { u32 chip; u32 chiprev; + u32 socitype; /* core info */ /* always put chipcommon core at 0, bus core at 1 */ struct chip_core_info c_inf[BRCMF_MAX_CORENUM]; u32 pmurev; u32 pmucaps; u32 ramsize; + + bool (*iscoreup)(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, + u16 coreid); }; struct sbconfig { @@ -115,8 +119,6 @@ struct sbconfig { 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, u32 corebase); extern int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev, -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html