diff options
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 87 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h | 2 |
3 files changed, 40 insertions, 60 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 19057896d92e..b9d5f735a71b 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -3192,30 +3192,6 @@ brcmf_sdio_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen) return rxlen ? (int)rxlen : -ETIMEDOUT; } -static bool brcmf_sdio_download_state(struct brcmf_sdio *bus, bool enter) -{ - struct chip_info *ci = bus->ci; - - /* To enter download state, disable ARM and reset SOCRAM. - * To exit download state, simply reset ARM (default is RAM boot). - */ - if (enter) { - bus->alp_only = true; - - brcmf_sdio_chip_enter_download(bus->sdiodev, ci); - } else { - if (!brcmf_sdio_chip_exit_download(bus->sdiodev, ci)) - return false; - - /* Allow HT Clock now that the ARM is running. */ - bus->alp_only = false; - - bus->sdiodev->bus_if->state = BRCMF_BUS_LOAD; - } - - return true; -} - #ifdef DEBUG static bool brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr, @@ -3270,9 +3246,9 @@ brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr, } #endif /* DEBUG */ -static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus) +static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus, + const struct firmware *fw) { - const struct firmware *fw; int err; int offset; int address; @@ -3280,14 +3256,6 @@ static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus) brcmf_dbg(TRACE, "Enter\n"); - fw = brcmf_sdio_get_fw(bus, BRCMF_FIRMWARE_BIN); - if (fw == NULL) - return -ENOENT; - - if (brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_ARM_CR4) != - BRCMF_MAX_CORENUM) - memcpy(&bus->ci->rst_vec, fw->data, sizeof(bus->ci->rst_vec)); - err = 0; offset = 0; address = bus->ci->rambase; @@ -3299,7 +3267,7 @@ static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus) if (err) { brcmf_err("error %d on writing %d membytes at 0x%08x\n", err, len, address); - goto failure; + return err; } offset += len; address += len; @@ -3309,15 +3277,12 @@ static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus) (u8 *)fw->data, fw->size)) err = -EIO; -failure: - release_firmware(fw); - return err; } -static int brcmf_sdio_download_nvram(struct brcmf_sdio *bus) +static int brcmf_sdio_download_nvram(struct brcmf_sdio *bus, + const struct firmware *nv) { - const struct firmware *nv; void *vars; u32 varsz; int address; @@ -3325,12 +3290,7 @@ static int brcmf_sdio_download_nvram(struct brcmf_sdio *bus) brcmf_dbg(TRACE, "Enter\n"); - nv = brcmf_sdio_get_fw(bus, BRCMF_FIRMWARE_NVRAM); - if (nv == NULL) - return -ENOENT; - vars = brcmf_nvram_strip(nv, &varsz); - release_firmware(nv); if (vars == NULL) return -EINVAL; @@ -3351,33 +3311,52 @@ static int brcmf_sdio_download_nvram(struct brcmf_sdio *bus) static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus) { int bcmerror = -EFAULT; - + const struct firmware *fw; + u32 rstvec; sdio_claim_host(bus->sdiodev->func[1]); brcmf_sdio_clkctl(bus, CLK_AVAIL, false); /* Keep arm in reset */ - if (!brcmf_sdio_download_state(bus, true)) { - brcmf_err("error placing ARM core in reset\n"); + brcmf_sdio_chip_enter_download(bus->sdiodev, bus->ci); + + fw = brcmf_sdio_get_fw(bus, BRCMF_FIRMWARE_BIN); + if (fw == NULL) { + bcmerror = -ENOENT; goto err; } - if (brcmf_sdio_download_code_file(bus)) { + rstvec = get_unaligned_le32(fw->data); + brcmf_dbg(SDIO, "firmware rstvec: %x\n", rstvec); + + bcmerror = brcmf_sdio_download_code_file(bus, fw); + release_firmware(fw); + if (bcmerror) { brcmf_err("dongle image file download failed\n"); goto err; } - if (brcmf_sdio_download_nvram(bus)) { + fw = brcmf_sdio_get_fw(bus, BRCMF_FIRMWARE_NVRAM); + if (fw == NULL) { + bcmerror = -ENOENT; + goto err; + } + + bcmerror = brcmf_sdio_download_nvram(bus, fw); + release_firmware(fw); + if (bcmerror) { brcmf_err("dongle nvram file download failed\n"); goto err; } /* Take arm out of reset */ - if (!brcmf_sdio_download_state(bus, false)) { + if (!brcmf_sdio_chip_exit_download(bus->sdiodev, bus->ci, rstvec)) { brcmf_err("error getting out of ARM core reset\n"); goto err; } + /* Allow HT Clock now that the ARM is running. */ + bus->sdiodev->bus_if->state = BRCMF_BUS_LOAD; bcmerror = 0; err: @@ -3566,9 +3545,11 @@ static int brcmf_sdio_bus_init(struct device *dev) /* try to download image and nvram to the dongle */ if (bus_if->state == BRCMF_BUS_DOWN) { + bus->alp_only = true; err = brcmf_sdio_download_firmware(bus); if (err) return err; + bus->alp_only = false; } if (!bus->sdiodev->bus_if->drvr) @@ -3778,8 +3759,6 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus) u32 reg_val; u32 drivestrength; - bus->alp_only = true; - sdio_claim_host(bus->sdiodev->func[1]); pr_debug("F1 signature read @0x18000000=0x%4x\n", @@ -4088,7 +4067,7 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus) * essentially resets all necessary cores */ msleep(20); - brcmf_sdio_download_state(bus, true); + brcmf_sdio_chip_enter_download(bus->sdiodev, bus->ci); 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 434297648e34..88eacf16211a 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c @@ -923,7 +923,8 @@ brcmf_sdio_chip_cr4_enterdl(struct brcmf_sdio_dev *sdiodev, } static bool -brcmf_sdio_chip_cr4_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci) +brcmf_sdio_chip_cr4_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci, + u32 rstvec) { u8 core_idx; u32 reg_addr; @@ -935,8 +936,8 @@ brcmf_sdio_chip_cr4_exitdl(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci) brcmf_sdiod_regwl(sdiodev, reg_addr, 0xFFFFFFFF, NULL); /* Write reset vector to address 0 */ - brcmf_sdiod_ramrw(sdiodev, true, 0, (void *)&ci->rst_vec, - sizeof(ci->rst_vec)); + brcmf_sdiod_ramrw(sdiodev, true, 0, (void *)&rstvec, + sizeof(rstvec)); /* restore ARM */ ci->resetcore(sdiodev, ci, BCMA_CORE_ARM_CR4, ARMCR4_BCMA_IOCTL_CPUHALT, @@ -960,7 +961,7 @@ void brcmf_sdio_chip_enter_download(struct brcmf_sdio_dev *sdiodev, } bool brcmf_sdio_chip_exit_download(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci) + struct chip_info *ci, u32 rstvec) { u8 arm_core_idx; @@ -968,5 +969,5 @@ bool brcmf_sdio_chip_exit_download(struct brcmf_sdio_dev *sdiodev, if (BRCMF_MAX_CORENUM != arm_core_idx) return brcmf_sdio_chip_cm3_exitdl(sdiodev, ci); - return brcmf_sdio_chip_cr4_exitdl(sdiodev, ci); + return brcmf_sdio_chip_cr4_exitdl(sdiodev, ci, rstvec); } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h index 91c61cb9de87..9a72b71f5259 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h @@ -226,6 +226,6 @@ u8 brcmf_sdio_chip_getinfidx(struct chip_info *ci, u16 coreid); void brcmf_sdio_chip_enter_download(struct brcmf_sdio_dev *sdiodev, struct chip_info *ci); bool brcmf_sdio_chip_exit_download(struct brcmf_sdio_dev *sdiodev, - struct chip_info *ci); + struct chip_info *ci, u32 rstvec); #endif /* _BRCMFMAC_SDIO_CHIP_H_ */ |