On 3/28/22 19:25, Patrick Delaunay wrote:
> Add support of new header for the STM32IMAGE version V2
> in command stm32prog command for STM32MP13x family.
> 
> Signed-off-by: Patrick Delaunay <[email protected]>
> ---
> 
>  .../cmd_stm32prog/cmd_stm32prog.c             |   8 +-
>  .../mach-stm32mp/cmd_stm32prog/stm32prog.c    | 119 ++++++++++++------
>  .../mach-stm32mp/cmd_stm32prog/stm32prog.h    |  35 ++++--
>  3 files changed, 114 insertions(+), 48 deletions(-)
> 
> diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c 
> b/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c
> index 41452b5a29..3957e06e5d 100644
> --- a/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c
> +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c
> @@ -73,15 +73,15 @@ static int do_stm32prog(struct cmd_tbl *cmdtp, int flag, 
> int argc,
>  
>       /* check STM32IMAGE presence */
>       if (size == 0) {
> -             stm32prog_header_check((struct raw_header_s *)addr, &header);
> +             stm32prog_header_check(addr, &header);
>               if (header.type == HEADER_STM32IMAGE) {
> -                     size = header.image_length + BL_HEADER_SIZE;
> +                     size = header.image_length + header.length;
>  
>  #if defined(CONFIG_LEGACY_IMAGE_FORMAT)
>                       /* uImage detected in STM32IMAGE, execute the script */
>                       if (IMAGE_FORMAT_LEGACY ==
> -                         genimg_get_format((void *)(addr + BL_HEADER_SIZE)))
> -                             return image_source_script(addr + 
> BL_HEADER_SIZE, "script@1");
> +                         genimg_get_format((void *)(addr + header.length)))
> +                             return image_source_script(addr + 
> header.length, "script@1");
>  #endif
>               }
>       }
> diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c 
> b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
> index 5d53e6146f..3e1fdee5b3 100644
> --- a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
> +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
> @@ -205,52 +205,98 @@ static bool stm32prog_is_fip_header(struct 
> fip_toc_header *header)
>       return (header->name == FIP_TOC_HEADER_NAME) && header->serial_number;
>  }
>  
> -void stm32prog_header_check(struct raw_header_s *raw_header,
> -                         struct image_header_s *header)
> +static bool stm32prog_is_stm32_header_v1(struct stm32_header_v1 *header)
>  {
>       unsigned int i;
>  
> -     if (!raw_header || !header) {
> -             log_debug("%s:no header data\n", __func__);
> -             return;
> +     if (header->magic_number !=
> +             (('S' << 0) | ('T' << 8) | ('M' << 16) | (0x32 << 24))) {
> +             log_debug("%s:invalid magic number : 0x%x\n",
> +                       __func__, header->magic_number);
> +             return false;
> +     }
> +     if (header->header_version != 0x00010000) {
> +             log_debug("%s:invalid header version : 0x%x\n",
> +                       __func__, header->header_version);
> +             return false;
>       }
>  
> -     header->type = HEADER_NONE;
> -     header->image_checksum = 0x0;
> -     header->image_length = 0x0;
> -
> -     if (stm32prog_is_fip_header((struct fip_toc_header *)raw_header)) {
> -             header->type = HEADER_FIP;
> -             return;
> +     if (header->reserved1 || header->reserved2) {
> +             log_debug("%s:invalid reserved field\n", __func__);
> +             return false;
> +     }
> +     for (i = 0; i < sizeof(header->padding); i++) {
> +             if (header->padding[i] != 0) {
> +                     log_debug("%s:invalid padding field\n", __func__);
> +                     return false;
> +             }
>       }
>  
> -     if (raw_header->magic_number !=
> +     return true;
> +}
> +
> +static bool stm32prog_is_stm32_header_v2(struct stm32_header_v2 *header)
> +{
> +     unsigned int i;
> +
> +     if (header->magic_number !=
>               (('S' << 0) | ('T' << 8) | ('M' << 16) | (0x32 << 24))) {
>               log_debug("%s:invalid magic number : 0x%x\n",
> -                       __func__, raw_header->magic_number);
> -             return;
> +                       __func__, header->magic_number);
> +             return false;
>       }
> -     /* only header v1.0 supported */
> -     if (raw_header->header_version != 0x00010000) {
> +     if (header->header_version != 0x00020000) {
>               log_debug("%s:invalid header version : 0x%x\n",
> -                       __func__, raw_header->header_version);
> +                       __func__, header->header_version);
> +             return false;
> +     }
> +     if (header->reserved1 || header->reserved2)
> +             return false;
> +
> +     for (i = 0; i < sizeof(header->padding); i++) {
> +             if (header->padding[i] != 0) {
> +                     log_debug("%s:invalid padding field\n", __func__);
> +                     return false;
> +             }
> +     }
> +
> +     return true;
> +}
> +
> +void stm32prog_header_check(uintptr_t raw_header, struct image_header_s 
> *header)
> +{
> +     struct stm32_header_v1 *v1_header = (struct stm32_header_v1 
> *)raw_header;
> +     struct stm32_header_v2 *v2_header = (struct stm32_header_v2 
> *)raw_header;
> +
> +     if (!raw_header || !header) {
> +             log_debug("%s:no header data\n", __func__);
>               return;
>       }
> -     if (raw_header->reserved1 != 0x0 || raw_header->reserved2) {
> -             log_debug("%s:invalid reserved field\n", __func__);
> +
> +     if (stm32prog_is_fip_header((struct fip_toc_header *)raw_header)) {
> +             header->type = HEADER_FIP;
> +             header->length = 0;
>               return;
>       }
> -     for (i = 0; i < (sizeof(raw_header->padding) / 4); i++) {
> -             if (raw_header->padding[i] != 0) {
> -                     log_debug("%s:invalid padding field\n", __func__);
> -                     return;
> -             }
> +     if (stm32prog_is_stm32_header_v1(v1_header)) {
> +             header->type = HEADER_STM32IMAGE;
> +             header->image_checksum = le32_to_cpu(v1_header->image_checksum);
> +             header->image_length = le32_to_cpu(v1_header->image_length);
> +             header->length = sizeof(struct stm32_header_v1);
> +             return;
> +     }
> +     if (stm32prog_is_stm32_header_v2(v2_header)) {
> +             header->type = HEADER_STM32IMAGE_V2;
> +             header->image_checksum = le32_to_cpu(v2_header->image_checksum);
> +             header->image_length = le32_to_cpu(v2_header->image_length);
> +             header->length = sizeof(struct stm32_header_v1) +
> +                              v2_header->extension_headers_length;
> +             return;
>       }
> -     header->type = HEADER_STM32IMAGE;
> -     header->image_checksum = le32_to_cpu(raw_header->image_checksum);
> -     header->image_length = le32_to_cpu(raw_header->image_length);
>  
> -     return;
> +     header->type = HEADER_NONE;
> +     header->image_checksum = 0x0;
> +     header->image_length = 0x0;
>  }
>  
>  static u32 stm32prog_header_checksum(u32 addr, struct image_header_s *header)
> @@ -480,11 +526,11 @@ static int parse_flash_layout(struct stm32prog_data 
> *data,
>       data->part_nb = 0;
>  
>       /* check if STM32image is detected */
> -     stm32prog_header_check((struct raw_header_s *)addr, &header);
> +     stm32prog_header_check(addr, &header);
>       if (header.type == HEADER_STM32IMAGE) {
>               u32 checksum;
>  
> -             addr = addr + BL_HEADER_SIZE;
> +             addr = addr + header.length;
>               size = header.image_length;
>  
>               checksum = stm32prog_header_checksum(addr, &header);
> @@ -1560,7 +1606,7 @@ static int stm32prog_copy_fsbl(struct stm32prog_part_t 
> *part)
>       int ret, i;
>       void *fsbl;
>       struct image_header_s header;
> -     struct raw_header_s raw_header;
> +     struct stm32_header_v2 raw_header; /* V2 size > v1 size */
>       struct dfu_entity *dfu;
>       long size, offset;
>  
> @@ -1572,17 +1618,18 @@ static int stm32prog_copy_fsbl(struct 
> stm32prog_part_t *part)
>  
>       /* read header */
>       dfu_transaction_cleanup(dfu);
> -     size = BL_HEADER_SIZE;
> +     size = sizeof(raw_header);
>       ret = dfu->read_medium(dfu, 0, (void *)&raw_header, &size);
>       if (ret)
>               return ret;
>  
> -     stm32prog_header_check(&raw_header, &header);
> -     if (header.type != HEADER_STM32IMAGE)
> +     stm32prog_header_check((ulong)&raw_header, &header);
> +     if (header.type != HEADER_STM32IMAGE &&
> +         header.type != HEADER_STM32IMAGE_V2)
>               return -ENOENT;
>  
>       /* read header + payload */
> -     size = header.image_length + BL_HEADER_SIZE;
> +     size = header.image_length + header.length;
>       size = round_up(size, part->dev->mtd->erasesize);
>       fsbl = calloc(1, size);
>       if (!fsbl)
> diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h 
> b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h
> index 928b7b3a0e..90cdc2ba47 100644
> --- a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h
> +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h
> @@ -42,6 +42,7 @@ enum stm32prog_link_t {
>  enum stm32prog_header_t {
>       HEADER_NONE,
>       HEADER_STM32IMAGE,
> +     HEADER_STM32IMAGE_V2,
>       HEADER_FIP,
>  };
>  
> @@ -49,11 +50,12 @@ struct image_header_s {
>       enum stm32prog_header_t type;
>       u32     image_checksum;
>       u32     image_length;
> +     u32     length;
>  };
>  
> -struct raw_header_s {
> +struct stm32_header_v1 {
>       u32 magic_number;
> -     u32 image_signature[64 / 4];
> +     u8 image_signature[64];
>       u32 image_checksum;
>       u32 header_version;
>       u32 image_length;
> @@ -64,12 +66,30 @@ struct raw_header_s {
>       u32 version_number;
>       u32 option_flags;
>       u32 ecdsa_algorithm;
> -     u32 ecdsa_public_key[64 / 4];
> -     u32 padding[83 / 4];
> -     u32 binary_type;
> +     u8 ecdsa_public_key[64];
> +     u8 padding[83];
> +     u8 binary_type;
>  };
>  
> -#define BL_HEADER_SIZE       sizeof(struct raw_header_s)
> +struct stm32_header_v2 {
> +     u32 magic_number;
> +     u8 image_signature[64];
> +     u32 image_checksum;
> +     u32 header_version;
> +     u32 image_length;
> +     u32 image_entry_point;
> +     u32 reserved1;
> +     u32 load_address;
> +     u32 reserved2;
> +     u32 version_number;
> +     u32 extension_flags;
> +     u32 extension_headers_length;
> +     u32 binary_type;
> +     u8 padding[16];
> +     u32 extension_header_type;
> +     u32 extension_header_length;
> +     u8 extension_padding[376];
> +};
>  
>  /* partition type in flashlayout file */
>  enum stm32prog_part_type {
> @@ -171,8 +191,7 @@ int stm32prog_pmic_read(struct stm32prog_data *data, u32 
> offset,
>  int stm32prog_pmic_start(struct stm32prog_data *data);
>  
>  /* generic part*/
> -void stm32prog_header_check(struct raw_header_s *raw_header,
> -                         struct image_header_s *header);
> +void stm32prog_header_check(uintptr_t raw_header, struct image_header_s 
> *header);
>  int stm32prog_dfu_init(struct stm32prog_data *data);
>  void stm32prog_next_phase(struct stm32prog_data *data);
>  void stm32prog_do_reset(struct stm32prog_data *data);

Applied to u-boot-stm32

Thanks
Patrice

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