From: Chung-Hsien Hsu <stanley.hsu@xxxxxxxxxxx> Add support to download TRX firmware for PCIe and SDIO. Signed-off-by: Chung-Hsien Hsu <stanley.hsu@xxxxxxxxxxx> Signed-off-by: Chung-Hsien Hsu <chung-hsien.hsu@xxxxxxxxxxxx> Signed-off-by: Marek Vasut <marex@xxxxxxx> # 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@xxxxxxxxxxx> Cc: "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx> Cc: "Rafał Miłecki" <zajec5@xxxxxxxxx> Cc: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Cc: Carter Chen <carter.chen@xxxxxxxxxxxx> Cc: Chung-Hsien Hsu <stanley.hsu@xxxxxxxxxxx> Cc: Double Lo <Double.Lo@xxxxxxxxxxxx> Cc: Duoming Zhou <duoming@xxxxxxxxxx> Cc: Erick Archer <erick.archer@xxxxxxxxxxx> Cc: Kalle Valo <kvalo@xxxxxxxxxx> Cc: Kees Cook <kees@xxxxxxxxxx> Cc: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Cc: Mathias Krause <minipli@xxxxxxxxxxxxxx> Cc: Matthias Brugger <mbrugger@xxxxxxxx> Cc: Owen Huang <Owen.Huang@xxxxxxxxxxxx> Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Cc: brcm80211-dev-list.pdl@xxxxxxxxxxxx Cc: brcm80211@xxxxxxxxxxxxxxx Cc: linux-wireless@xxxxxxxxxxxxxxx --- 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" 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 */ -- 2.45.2