diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 81 |
1 files changed, 60 insertions, 21 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index d7fb88bb6ae1..d2caa80e9412 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -16,7 +16,7 @@ #include <linux/kthread.h> #include <linux/io.h> #include <linux/random.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <soc.h> #include <chipcommon.h> @@ -66,6 +66,7 @@ BRCMF_FW_DEF(4365C, "brcmfmac4365c-pcie"); BRCMF_FW_DEF(4366B, "brcmfmac4366b-pcie"); BRCMF_FW_DEF(4366C, "brcmfmac4366c-pcie"); BRCMF_FW_DEF(4371, "brcmfmac4371-pcie"); +BRCMF_FW_CLM_DEF(43752, "brcmfmac43752-pcie"); BRCMF_FW_CLM_DEF(4377B3, "brcmfmac4377b3-pcie"); BRCMF_FW_CLM_DEF(4378B1, "brcmfmac4378b1-pcie"); BRCMF_FW_CLM_DEF(4378B3, "brcmfmac4378b3-pcie"); @@ -104,6 +105,7 @@ static const struct brcmf_firmware_mapping brcmf_pcie_fwnames[] = { BRCMF_FW_ENTRY(BRCM_CC_43664_CHIP_ID, 0xFFFFFFF0, 4366C), BRCMF_FW_ENTRY(BRCM_CC_43666_CHIP_ID, 0xFFFFFFF0, 4366C), BRCMF_FW_ENTRY(BRCM_CC_4371_CHIP_ID, 0xFFFFFFFF, 4371), + BRCMF_FW_ENTRY(BRCM_CC_43752_CHIP_ID, 0xFFFFFFFF, 43752), BRCMF_FW_ENTRY(BRCM_CC_4377_CHIP_ID, 0xFFFFFFFF, 4377B3), /* revision ID 4 */ BRCMF_FW_ENTRY(BRCM_CC_4378_CHIP_ID, 0x0000000F, 4378B1), /* revision ID 3 */ BRCMF_FW_ENTRY(BRCM_CC_4378_CHIP_ID, 0xFFFFFFE0, 4378B3), /* revision ID 5 */ @@ -313,11 +315,6 @@ struct brcmf_pcie_shared_info { u8 version; }; -struct brcmf_pcie_core_info { - u32 base; - u32 wrapbase; -}; - #define BRCMF_OTP_MAX_PARAM_LEN 16 struct brcmf_otp_params { @@ -358,6 +355,7 @@ struct brcmf_pciedev_info { u16 value); struct brcmf_mp_device *settings; struct brcmf_otp_params otp; + bool fwseed; #ifdef DEBUG u32 console_interval; bool console_active; @@ -1675,6 +1673,15 @@ struct brcmf_random_seed_footer { #define BRCMF_RANDOM_SEED_MAGIC 0xfeedc0de #define BRCMF_RANDOM_SEED_LENGTH 0x100 +static noinline_for_stack void +brcmf_pcie_provide_random_bytes(struct brcmf_pciedev_info *devinfo, u32 address) +{ + u8 randbuf[BRCMF_RANDOM_SEED_LENGTH]; + + get_random_bytes(randbuf, BRCMF_RANDOM_SEED_LENGTH); + memcpy_toio(devinfo->tcm + address, randbuf, BRCMF_RANDOM_SEED_LENGTH); +} + static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, const struct firmware *fw, void *nvram, u32 nvram_len) @@ -1711,15 +1718,14 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, memcpy_toio(devinfo->tcm + address, nvram, nvram_len); brcmf_fw_nvram_free(nvram); - if (devinfo->otp.valid) { + if (devinfo->fwseed) { size_t rand_len = BRCMF_RANDOM_SEED_LENGTH; struct brcmf_random_seed_footer footer = { .length = cpu_to_le32(rand_len), .magic = cpu_to_le32(BRCMF_RANDOM_SEED_MAGIC), }; - void *randbuf; - /* Some Apple chips/firmwares expect a buffer of random + /* Some chips/firmwares expect a buffer of random * data to be present before NVRAM */ brcmf_dbg(PCIE, "Download random seed\n"); @@ -1729,10 +1735,7 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, sizeof(footer)); address -= rand_len; - randbuf = kzalloc(rand_len, GFP_KERNEL); - get_random_bytes(randbuf, rand_len); - memcpy_toio(devinfo->tcm + address, randbuf, rand_len); - kfree(randbuf); + brcmf_pcie_provide_random_bytes(devinfo, address); } } else { brcmf_dbg(PCIE, "No matching NVRAM file found %s\n", @@ -2394,6 +2397,37 @@ static void brcmf_pcie_debugfs_create(struct device *dev) } #endif +struct brcmf_pcie_drvdata { + enum brcmf_fwvendor vendor; + bool fw_seed; +}; + +enum { + BRCMF_DRVDATA_CYW, + BRCMF_DRVDATA_BCA, + BRCMF_DRVDATA_WCC, + BRCMF_DRVDATA_WCC_SEED, +}; + +static const struct brcmf_pcie_drvdata drvdata[] = { + [BRCMF_DRVDATA_CYW] = { + .vendor = BRCMF_FWVENDOR_CYW, + .fw_seed = false, + }, + [BRCMF_DRVDATA_BCA] = { + .vendor = BRCMF_FWVENDOR_BCA, + .fw_seed = false, + }, + [BRCMF_DRVDATA_WCC] = { + .vendor = BRCMF_FWVENDOR_WCC, + .fw_seed = false, + }, + [BRCMF_DRVDATA_WCC_SEED] = { + .vendor = BRCMF_FWVENDOR_WCC, + .fw_seed = true, + }, +}; + /* Forward declaration for pci_match_id() call */ static const struct pci_device_id brcmf_pcie_devid_table[]; @@ -2452,6 +2486,9 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) ret = -ENOMEM; goto fail; } + ret = PTR_ERR_OR_ZERO(devinfo->settings); + if (ret < 0) + goto fail; bus = kzalloc(sizeof(*bus), GFP_KERNEL); if (!bus) { @@ -2472,9 +2509,10 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) bus->bus_priv.pcie = pcie_bus_dev; bus->ops = &brcmf_pcie_bus_ops; bus->proto_type = BRCMF_PROTO_MSGBUF; - bus->fwvid = id->driver_data; bus->chip = devinfo->coreid; bus->wowl_supported = pci_pme_capable(pdev, PCI_D3hot); + bus->fwvid = drvdata[id->driver_data].vendor; + devinfo->fwseed = drvdata[id->driver_data].fw_seed; dev_set_drvdata(&pdev->dev, bus); ret = brcmf_alloc(&devinfo->pdev->dev, devinfo->settings); @@ -2660,21 +2698,21 @@ static const struct dev_pm_ops brcmf_pciedrvr_pm = { BRCM_PCIE_VENDOR_ID_BROADCOM, (dev_id), \ PCI_ANY_ID, PCI_ANY_ID, \ PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, \ - BRCMF_FWVENDOR_ ## fw_vend \ + BRCMF_DRVDATA_ ## fw_vend \ } #define BRCMF_PCIE_DEVICE_SUB(dev_id, subvend, subdev, fw_vend) \ { \ BRCM_PCIE_VENDOR_ID_BROADCOM, (dev_id), \ (subvend), (subdev), \ PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, \ - BRCMF_FWVENDOR_ ## fw_vend \ + BRCMF_DRVDATA_ ## fw_vend \ } static const struct pci_device_id brcmf_pcie_devid_table[] = { BRCMF_PCIE_DEVICE(BRCM_PCIE_4350_DEVICE_ID, WCC), BRCMF_PCIE_DEVICE_SUB(0x4355, BRCM_PCIE_VENDOR_ID_BROADCOM, 0x4355, WCC), BRCMF_PCIE_DEVICE(BRCM_PCIE_4354_RAW_DEVICE_ID, WCC), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4355_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4355_DEVICE_ID, WCC_SEED), BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID, WCC), BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID, WCC), BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID, WCC), @@ -2685,7 +2723,7 @@ static const struct pci_device_id brcmf_pcie_devid_table[] = { BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_2G_DEVICE_ID, WCC), BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_5G_DEVICE_ID, WCC), BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_RAW_DEVICE_ID, WCC), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4364_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4364_DEVICE_ID, WCC_SEED), BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_DEVICE_ID, BCA), BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_2G_DEVICE_ID, BCA), BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_5G_DEVICE_ID, BCA), @@ -2695,9 +2733,10 @@ static const struct pci_device_id brcmf_pcie_devid_table[] = { BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_5G_DEVICE_ID, BCA), BRCMF_PCIE_DEVICE(BRCM_PCIE_4371_DEVICE_ID, WCC), BRCMF_PCIE_DEVICE(BRCM_PCIE_43596_DEVICE_ID, CYW), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4377_DEVICE_ID, WCC), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4378_DEVICE_ID, WCC), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4387_DEVICE_ID, WCC), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4377_DEVICE_ID, WCC_SEED), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4378_DEVICE_ID, WCC_SEED), + BRCMF_PCIE_DEVICE(BRCM_PCIE_4387_DEVICE_ID, WCC_SEED), + BRCMF_PCIE_DEVICE(BRCM_PCIE_43752_DEVICE_ID, WCC_SEED), { /* end: all zeroes */ } }; 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