| Message ID | 20240909203133.74777-1-marex@denx.de |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/2] wifi: brcmfmac: add support for TRX firmware download | expand |
On 9/9/2024 10:31 PM, Marek Vasut wrote: > From: Chung-Hsien Hsu <stanley.hsu@cypress.com> > > Add support to download TRX firmware for PCIe and SDIO. Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> > Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com> The sob tag is a certification by that person so strictly speaking you can not add this line. Don't know what is best here. I will leave it to Kalle to decide. > Signed-off-by: Chung-Hsien Hsu <chung-hsien.hsu@infineon.com> > Signed-off-by: Marek Vasut <marex@denx.de> # Upport to current linux-next > --- > NOTE: This is downstream upport from > https://github.com/Infineon/ifx-wireless-drivers/ > branch RTM/v5.15.58-Indrik / tag release-v5.15.58-2024_0514 > - ba34bf4816f9 ("brcmfmac: add support for TRX firmware download") > --- > Cc: "Dr. David Alan Gilbert" <linux@treblig.org> > Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org> > Cc: "Rafał Miłecki" <zajec5@gmail.com> > Cc: Arend van Spriel <arend.vanspriel@broadcom.com> > Cc: Bjorn Helgaas <bhelgaas@google.com> > Cc: Carter Chen <carter.chen@infineon.com> > Cc: Chung-Hsien Hsu <stanley.hsu@cypress.com> > Cc: Double Lo <Double.Lo@infineon.com> > Cc: Duoming Zhou <duoming@zju.edu.cn> > Cc: Erick Archer <erick.archer@outlook.com> > Cc: Kalle Valo <kvalo@kernel.org> > Cc: Kees Cook <kees@kernel.org> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > Cc: Mathias Krause <minipli@grsecurity.net> > Cc: Matthias Brugger <mbrugger@suse.com> > Cc: Owen Huang <Owen.Huang@infineon.com> > Cc: Ulf Hansson <ulf.hansson@linaro.org> > Cc: brcm80211-dev-list.pdl@broadcom.com > Cc: brcm80211@lists.linux.dev > Cc: linux-wireless@vger.kernel.org > --- > V2: Include SoB line from Chung-Hsien with both cypress and infineon address > --- > .../broadcom/brcm80211/brcmfmac/pcie.c | 12 +++++- > .../broadcom/brcm80211/brcmfmac/sdio.c | 20 +++++++--- > .../broadcom/brcm80211/brcmfmac/trxhdr.h | 38 +++++++++++++++++++ > 3 files changed, 63 insertions(+), 7 deletions(-) > create mode 100644 drivers/net/wireless/broadcom/brcm80211/brcmfmac/trxhdr.h > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > index ce482a3877e90..058a742d17eda 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > @@ -42,6 +42,7 @@ > #include "chip.h" > #include "core.h" > #include "common.h" > +#include "trxhdr.h" Maybe the definitions can simply be put in firmware.h as it is closely related. > > enum brcmf_pcie_state { > @@ -1684,6 +1685,8 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, > u32 nvram_len) > { > struct brcmf_bus *bus = dev_get_drvdata(&devinfo->pdev->dev); > + struct trx_header_le *trx = (struct trx_header_le *)fw->data; > + u32 fw_size; > u32 sharedram_addr; > u32 sharedram_addr_written; > u32 loop_counter; > @@ -1697,8 +1700,13 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, > return err; > > brcmf_dbg(PCIE, "Download FW %s\n", devinfo->fw_name); > - memcpy_toio(devinfo->tcm + devinfo->ci->rambase, > - (void *)fw->data, fw->size); > + address = devinfo->ci->rambase; > + fw_size = fw->size; > + if (trx->magic == cpu_to_le32(TRX_MAGIC)) { > + address -= sizeof(struct trx_header_le); > + fw_size = le32_to_cpu(trx->len); trx->len needs to be validated against fw->size and return an error, eg. -EINVAL, if it fails. > + } > + memcpy_toio(devinfo->tcm + address, (void *)fw->data, fw_size); > > resetintr = get_unaligned_le32(fw->data); > release_firmware(fw); > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > index 1461dc453ac22..08881e366cae2 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > @@ -35,6 +35,7 @@ > #include "core.h" > #include "common.h" > #include "bcdc.h" > +#include "trxhdr.h" > > #define DCMD_RESP_TIMEOUT msecs_to_jiffies(2500) > #define CTL_DONE_TIMEOUT msecs_to_jiffies(2500) > @@ -3346,17 +3347,26 @@ brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr, > static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus, > const struct firmware *fw) > { > + struct trx_header_le *trx = (struct trx_header_le *)fw->data; > + u32 fw_size; > + u32 address; > int err; > > brcmf_dbg(TRACE, "Enter\n"); > > - err = brcmf_sdiod_ramrw(bus->sdiodev, true, bus->ci->rambase, > - (u8 *)fw->data, fw->size); > + address = bus->ci->rambase; > + fw_size = fw->size; > + if (trx->magic == cpu_to_le32(TRX_MAGIC)) { > + address -= sizeof(struct trx_header_le); > + fw_size = le32_to_cpu(trx->len); same here. > + } > + err = brcmf_sdiod_ramrw(bus->sdiodev, true, address, > + (u8 *)fw->data, fw_size); > if (err) > brcmf_err("error %d on writing %d membytes at 0x%08x\n", > - err, (int)fw->size, bus->ci->rambase); > - else if (!brcmf_sdio_verifymemory(bus->sdiodev, bus->ci->rambase, > - (u8 *)fw->data, fw->size)) > + err, (int)fw_size, address); > + else if (!brcmf_sdio_verifymemory(bus->sdiodev, address, > + (u8 *)fw->data, fw_size)) > err = -EIO; > > return err; > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/trxhdr.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/trxhdr.h > new file mode 100644 > index 0000000000000..0411c7c7ffb99 > --- /dev/null > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/trxhdr.h > @@ -0,0 +1,38 @@ [...] > +struct trx_header_le { > + __le32 magic; /* "HDR0" */ > + __le32 len; /* Length of file including header */ > + __le32 crc32; /* CRC from flag_version to end of file */ > + __le32 flag_version; /* 0:15 flags, 16:31 version */ Let's make this two separate __le16 fields as the comment does. > + __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions */ > +}; > + > +#endif /* BRCMFMAC_TRXHDR_H */
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index ce482a3877e90..058a742d17eda 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -42,6 +42,7 @@ #include "chip.h" #include "core.h" #include "common.h" +#include "trxhdr.h" enum brcmf_pcie_state { @@ -1684,6 +1685,8 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, u32 nvram_len) { struct brcmf_bus *bus = dev_get_drvdata(&devinfo->pdev->dev); + struct trx_header_le *trx = (struct trx_header_le *)fw->data; + u32 fw_size; u32 sharedram_addr; u32 sharedram_addr_written; u32 loop_counter; @@ -1697,8 +1700,13 @@ static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, return err; brcmf_dbg(PCIE, "Download FW %s\n", devinfo->fw_name); - memcpy_toio(devinfo->tcm + devinfo->ci->rambase, - (void *)fw->data, fw->size); + address = devinfo->ci->rambase; + fw_size = fw->size; + if (trx->magic == cpu_to_le32(TRX_MAGIC)) { + address -= sizeof(struct trx_header_le); + fw_size = le32_to_cpu(trx->len); + } + memcpy_toio(devinfo->tcm + address, (void *)fw->data, fw_size); resetintr = get_unaligned_le32(fw->data); release_firmware(fw); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 1461dc453ac22..08881e366cae2 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -35,6 +35,7 @@ #include "core.h" #include "common.h" #include "bcdc.h" +#include "trxhdr.h" #define DCMD_RESP_TIMEOUT msecs_to_jiffies(2500) #define CTL_DONE_TIMEOUT msecs_to_jiffies(2500) @@ -3346,17 +3347,26 @@ brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr, static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus, const struct firmware *fw) { + struct trx_header_le *trx = (struct trx_header_le *)fw->data; + u32 fw_size; + u32 address; int err; brcmf_dbg(TRACE, "Enter\n"); - err = brcmf_sdiod_ramrw(bus->sdiodev, true, bus->ci->rambase, - (u8 *)fw->data, fw->size); + address = bus->ci->rambase; + fw_size = fw->size; + if (trx->magic == cpu_to_le32(TRX_MAGIC)) { + address -= sizeof(struct trx_header_le); + fw_size = le32_to_cpu(trx->len); + } + err = brcmf_sdiod_ramrw(bus->sdiodev, true, address, + (u8 *)fw->data, fw_size); if (err) brcmf_err("error %d on writing %d membytes at 0x%08x\n", - err, (int)fw->size, bus->ci->rambase); - else if (!brcmf_sdio_verifymemory(bus->sdiodev, bus->ci->rambase, - (u8 *)fw->data, fw->size)) + err, (int)fw_size, address); + else if (!brcmf_sdio_verifymemory(bus->sdiodev, address, + (u8 *)fw->data, fw_size)) err = -EIO; return err; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/trxhdr.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/trxhdr.h new file mode 100644 index 0000000000000..0411c7c7ffb99 --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/trxhdr.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: ISC */ +/* Copyright (c) 2020 Cypress Semiconductor Corporation */ + +#ifndef BRCMFMAC_TRXHDR_H +#define BRCMFMAC_TRXHDR_H + +/* Bootloader makes special use of trx header "offsets" array */ +enum { + TRX_OFFSET_SIGN_INFO_IDX = 0, + TRX_OFFSET_DATA_FOR_SIGN1_IDX = 1, + TRX_OFFSET_DATA_FOR_SIGN2_IDX = 2, + TRX_OFFSET_ROOT_MODULUS_IDX = 3, + TRX_OFFSET_ROOT_EXPONENT_IDX = 67, + TRX_OFFSET_CONT_MODULUS_IDX = 68, + TRX_OFFSET_CONT_EXPONENT_IDX = 132, + TRX_OFFSET_HASH_FW_IDX = 133, + TRX_OFFSET_FW_LEN_IDX = 149, + TRX_OFFSET_TR_RST_IDX = 150, + TRX_OFFSET_FW_VER_FOR_ANTIROOLBACK_IDX = 151, + TRX_OFFSET_IV_IDX = 152, + TRX_OFFSET_NONCE_IDX = 160, + TRX_OFFSET_SIGN_INFO2_IDX = 168, + TRX_OFFSET_MAX_IDX +}; + +#define TRX_MAGIC 0x30524448 /* "HDR0" */ +#define TRX_VERSION 4 /* Version 4 */ +#define TRX_MAX_OFFSET TRX_OFFSET_MAX_IDX /* Max number of file offsets */ + +struct trx_header_le { + __le32 magic; /* "HDR0" */ + __le32 len; /* Length of file including header */ + __le32 crc32; /* CRC from flag_version to end of file */ + __le32 flag_version; /* 0:15 flags, 16:31 version */ + __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions */ +}; + +#endif /* BRCMFMAC_TRXHDR_H */