On Wed, Aug 31, 2022 at 07:05:24PM +0800, Weijie Gao wrote:
> The predefined NAND headers take too much spaces in the mtk_image.c.
> Moving them into a new file can significantly improve the readability of
> both mtk_image.c and the new mtk_nand_headers.c.
>
> This is a preparation for adding more NAND headers.
Tested ARM Trusted Firmware-A bl2 images generated for
Bananapi R64 (MT7622; eMMC, SDMMC, SPI-NAND),
UniFi 6 LR (MT7622; SPI-NOR) and
Bananapi BPi-R3 (MT7986A; eMMC, SDMMC, SPI-NAND, SPI-NOR).
Also tested MT7621 images still work fine on ZBT-WG3526 (MT7621; SPI-NOR).
Tested-by: Daniel Golle <dan...@makrotopia.org>
>
> Reviewed-by: Simon Glass <s...@chromium.org>
> Signed-off-by: Weijie Gao <weijie....@mediatek.com>
> ---
> v2 changes:
> Add comments
> Call mtk_nand_header_size only for NAND/SNAND to avoid NULL pointer access
> ---
> tools/Makefile | 1 +
> tools/mtk_image.c | 305 ++++++---------------------------------
> tools/mtk_image.h | 25 ----
> tools/mtk_nand_headers.c | 286 ++++++++++++++++++++++++++++++++++++
> tools/mtk_nand_headers.h | 61 ++++++++
> 5 files changed, 389 insertions(+), 289 deletions(-)
> create mode 100644 tools/mtk_nand_headers.c
> create mode 100644 tools/mtk_nand_headers.h
>
> diff --git a/tools/Makefile b/tools/Makefile
> index 3626919633..34a1aa7a8b 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -147,6 +147,7 @@ dumpimage-mkimage-objs := aisimage.o \
> gpimage.o \
> gpimage-common.o \
> mtk_image.o \
> + mtk_nand_headers.o \
> $(ECDSA_OBJS-y) \
> $(RSA_OBJS-y) \
> $(AES_OBJS-y)
> diff --git a/tools/mtk_image.c b/tools/mtk_image.c
> index dcd6525f32..1f7396aa69 100644
> --- a/tools/mtk_image.c
> +++ b/tools/mtk_image.c
> @@ -12,216 +12,7 @@
> #include <u-boot/sha256.h>
> #include "imagetool.h"
> #include "mtk_image.h"
> -
> -/* NAND header for SPI-NAND with 2KB page + 64B spare */
> -static const union nand_boot_header snand_hdr_2k_64_data = {
> - .data = {
> - 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> - 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> - 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> - 0x00, 0x00, 0x00, 0x08, 0x03, 0x00, 0x40, 0x00,
> - 0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x7B, 0xC4, 0x17, 0x9D,
> - 0xCA, 0x42, 0x90, 0xD0, 0x98, 0xD0, 0xE0, 0xF7,
> - 0xDB, 0xCD, 0x16, 0xF6, 0x03, 0x73, 0xD2, 0xB8,
> - 0x93, 0xB2, 0x56, 0x5A, 0x84, 0x6E, 0x00, 0x00
> - }
> -};
> -
> -/* NAND header for SPI-NAND with 2KB page + 120B/128B spare */
> -static const union nand_boot_header snand_hdr_2k_128_data = {
> - .data = {
> - 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> - 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> - 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> - 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
> - 0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x90, 0x28, 0xED, 0x13,
> - 0x7F, 0x12, 0x22, 0xCD, 0x3D, 0x06, 0xF1, 0xB3,
> - 0x6F, 0x2E, 0xD9, 0xA0, 0x9D, 0x7A, 0xBD, 0xD7,
> - 0xB3, 0x28, 0x3C, 0x13, 0xDB, 0x4E, 0x00, 0x00
> - }
> -};
> -
> -/* NAND header for SPI-NAND with 4KB page + 256B spare */
> -static const union nand_boot_header snand_hdr_4k_256_data = {
> - .data = {
> - 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> - 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> - 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> - 0x00, 0x00, 0x00, 0x10, 0x05, 0x00, 0xE0, 0x00,
> - 0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x47, 0xED, 0x0E, 0xC3,
> - 0x83, 0xBF, 0x41, 0xD2, 0x85, 0x21, 0x97, 0x57,
> - 0xC4, 0x2E, 0x6B, 0x7A, 0x40, 0xE0, 0xCF, 0x8F,
> - 0x37, 0xBD, 0x17, 0xB6, 0xC7, 0xFE, 0x00, 0x00
> - }
> -};
> -
> -/* NAND header for Parallel NAND 1Gb with 2KB page + 64B spare */
> -static const union nand_boot_header nand_hdr_1gb_2k_64_data = {
> - .data = {
> - 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> - 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> - 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> - 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
> - 0x40, 0x00, 0x00, 0x04, 0x0B, 0x00, 0x11, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x12, 0x28, 0x1C, 0x12,
> - 0x8F, 0xFD, 0xF8, 0x32, 0x6F, 0x6D, 0xCF, 0x6C,
> - 0xDA, 0x21, 0x70, 0x8C, 0xDA, 0x0A, 0x22, 0x82,
> - 0xAA, 0x59, 0xFA, 0x7C, 0x42, 0x2D, 0x00, 0x00
> - }
> -};
> -
> -/* NAND header for Parallel NAND 2Gb with 2KB page + 64B spare */
> -static const union nand_boot_header nand_hdr_2gb_2k_64_data = {
> - .data = {
> - 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> - 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> - 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> - 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
> - 0x40, 0x00, 0x00, 0x08, 0x0B, 0x00, 0x11, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x20, 0x9C, 0x3D, 0x2D,
> - 0x7B, 0x68, 0x63, 0x52, 0x2E, 0x04, 0x63, 0xF1,
> - 0x35, 0x4E, 0x44, 0x3E, 0xF8, 0xAC, 0x9B, 0x95,
> - 0xAB, 0xFE, 0xE4, 0xE1, 0xD5, 0xF9, 0x00, 0x00
> - }
> -};
> -
> -/* NAND header for Parallel NAND 4Gb with 2KB page + 64B spare */
> -static const union nand_boot_header nand_hdr_4gb_2k_64_data = {
> - .data = {
> - 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> - 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> - 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> - 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
> - 0x40, 0x00, 0x00, 0x10, 0x0B, 0x00, 0x11, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0xE3, 0x0F, 0x86, 0x32,
> - 0x68, 0x05, 0xD9, 0xC8, 0x13, 0xDF, 0xC5, 0x0B,
> - 0x35, 0x3A, 0x68, 0xA5, 0x3C, 0x0C, 0x73, 0x87,
> - 0x63, 0xB0, 0xBE, 0xCC, 0x84, 0x47, 0x00, 0x00
> - }
> -};
> -
> -/* NAND header for Parallel NAND 2Gb with 2KB page + 128B spare */
> -static const union nand_boot_header nand_hdr_2gb_2k_128_data = {
> - .data = {
> - 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> - 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> - 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> - 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
> - 0x40, 0x00, 0x00, 0x08, 0x0B, 0x00, 0x11, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x01, 0xA5, 0xE9, 0x5A,
> - 0xDF, 0x58, 0x62, 0x41, 0xD6, 0x26, 0x77, 0xBC,
> - 0x76, 0x1F, 0x27, 0x4E, 0x4F, 0x6C, 0xC3, 0xF0,
> - 0x36, 0xDE, 0xD9, 0xB3, 0xFF, 0x93, 0x00, 0x00
> - }
> -};
> -
> -/* NAND header for Parallel NAND 4Gb with 2KB page + 128B spare */
> -static const union nand_boot_header nand_hdr_4gb_2k_128_data = {
> - .data = {
> - 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> - 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> - 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> - 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
> - 0x40, 0x00, 0x00, 0x10, 0x0B, 0x00, 0x11, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0xC2, 0x36, 0x52, 0x45,
> - 0xCC, 0x35, 0xD8, 0xDB, 0xEB, 0xFD, 0xD1, 0x46,
> - 0x76, 0x6B, 0x0B, 0xD5, 0x8B, 0xCC, 0x2B, 0xE2,
> - 0xFE, 0x90, 0x83, 0x9E, 0xAE, 0x2D, 0x00, 0x00
> - }
> -};
> -
> -static const struct nand_header_type {
> - const char *name;
> - const union nand_boot_header *data;
> -} nand_headers[] = {
> - {
> - .name = "2k+64",
> - .data = &snand_hdr_2k_64_data
> - }, {
> - .name = "2k+120",
> - .data = &snand_hdr_2k_128_data
> - }, {
> - .name = "2k+128",
> - .data = &snand_hdr_2k_128_data
> - }, {
> - .name = "4k+256",
> - .data = &snand_hdr_4k_256_data
> - }, {
> - .name = "1g:2k+64",
> - .data = &nand_hdr_1gb_2k_64_data
> - }, {
> - .name = "2g:2k+64",
> - .data = &nand_hdr_2gb_2k_64_data
> - }, {
> - .name = "4g:2k+64",
> - .data = &nand_hdr_4gb_2k_64_data
> - }, {
> - .name = "2g:2k+128",
> - .data = &nand_hdr_2gb_2k_128_data
> - }, {
> - .name = "4g:2k+128",
> - .data = &nand_hdr_4gb_2k_128_data
> - }
> -};
> +#include "mtk_nand_headers.h"
>
> static const struct brom_img_type {
> const char *name;
> @@ -264,6 +55,7 @@ static uint32_t crc32tbl[256];
>
> /* NAND header selected by user */
> static const union nand_boot_header *hdr_nand;
> +static uint32_t hdr_nand_size;
>
> /* GFH header + 2 * 4KB pages of NAND */
> static char hdr_tmp[sizeof(struct gfh_header) + 0x2000];
> @@ -402,12 +194,7 @@ static int mtk_brom_parse_imagename(const char
> *imagename)
> }
>
> /* parse nand header type */
> - for (i = 0; i < ARRAY_SIZE(nand_headers); i++) {
> - if (!strcmp(nand_headers[i].name, nandinfo)) {
> - hdr_nand = nand_headers[i].data;
> - break;
> - }
> - }
> + hdr_nand = mtk_nand_header_find(nandinfo);
>
> /* parse device header offset */
> if (hdr_offs && hdr_offs[0])
> @@ -432,6 +219,9 @@ static int mtk_brom_parse_imagename(const char *imagename)
> return -EINVAL;
> }
>
> + if (hdr_media == BRLYT_TYPE_NAND || hdr_media == BRLYT_TYPE_SNAND)
> + hdr_nand_size = mtk_nand_header_size(hdr_nand);
> +
> return 0;
> }
>
> @@ -468,7 +258,7 @@ static int mtk_image_vrec_header(struct image_tool_params
> *params,
> }
>
> if (hdr_media == BRLYT_TYPE_NAND || hdr_media == BRLYT_TYPE_SNAND)
> - tparams->header_size = 2 * le16_to_cpu(hdr_nand->pagesize);
> + tparams->header_size = hdr_nand_size;
> else
> tparams->header_size = sizeof(struct gen_device_header);
>
> @@ -566,16 +356,17 @@ static int mtk_image_verify_gen_header(const uint8_t
> *ptr, int print)
>
> static int mtk_image_verify_nand_header(const uint8_t *ptr, int print)
> {
> - union nand_boot_header *nh = (union nand_boot_header *)ptr;
> struct brom_layout_header *bh;
> + struct nand_header_info info;
> struct gfh_header *gfh;
> const char *bootmedia;
> + int ret;
>
> - if (strncmp(nh->version, NAND_BOOT_VERSION, sizeof(nh->version)) ||
> - strcmp(nh->id, NAND_BOOT_ID))
> - return -1;
> + ret = mtk_nand_header_info(ptr, &info);
> + if (ret < 0)
> + return ret;
>
> - bh = (struct brom_layout_header *)(ptr + le16_to_cpu(nh->pagesize));
> + bh = (struct brom_layout_header *)(ptr + info.page_size);
>
> if (strcmp(bh->name, BRLYT_NAME))
> return -1;
> @@ -586,34 +377,23 @@ static int mtk_image_verify_nand_header(const uint8_t
> *ptr, int print)
> if (le32_to_cpu(bh->type) == BRLYT_TYPE_NAND)
> bootmedia = "Parallel NAND";
> else if (le32_to_cpu(bh->type) == BRLYT_TYPE_SNAND)
> - bootmedia = "Serial NAND";
> + bootmedia = "Serial NAND (SNFI/AP)";
> else
> return -1;
> }
>
> if (print) {
> - printf("Boot Media: %s\n", bootmedia);
> -
> - if (le32_to_cpu(bh->type) == BRLYT_TYPE_NAND) {
> - uint64_t capacity =
> - (uint64_t)le16_to_cpu(nh->numblocks) *
> - (uint64_t)le16_to_cpu(nh->pages_of_block) *
> - (uint64_t)le16_to_cpu(nh->pagesize) * 8;
> - printf("Capacity: %dGb\n",
> - (uint32_t)(capacity >> 30));
> - }
> + printf("Boot Media: %s\n", bootmedia);
>
> - if (le16_to_cpu(nh->pagesize) >= 1024)
> - printf("Page Size: %dKB\n",
> - le16_to_cpu(nh->pagesize) >> 10);
> + if (info.page_size >= 1024)
> + printf("Page Size: %dKB\n", info.page_size >> 10);
> else
> - printf("Page Size: %dB\n",
> - le16_to_cpu(nh->pagesize));
> + printf("Page Size: %dB\n", info.page_size);
>
> - printf("Spare Size: %dB\n", le16_to_cpu(nh->oobsize));
> + printf("Spare Size: %dB\n", info.spare_size);
> }
>
> - gfh = (struct gfh_header *)(ptr + 2 * le16_to_cpu(nh->pagesize));
> + gfh = (struct gfh_header *)(ptr + info.gfh_offset);
>
> return mtk_image_verify_gfh(gfh, GFH_FLASH_TYPE_NAND, print);
> }
> @@ -713,7 +493,7 @@ static int mtk_image_verify_header(unsigned char *ptr,
> int image_size,
> if (image_get_magic(hdr) == IH_MAGIC)
> return mtk_image_verify_mt7621_header(ptr, 0);
>
> - if (!strcmp((char *)ptr, NAND_BOOT_NAME))
> + if (is_mtk_nand_header(ptr))
> return mtk_image_verify_nand_header(ptr, 0);
> else
> return mtk_image_verify_gen_header(ptr, 0);
> @@ -739,7 +519,7 @@ static void mtk_image_print_header(const void *ptr)
> return;
> }
>
> - if (!strcmp((char *)ptr, NAND_BOOT_NAME))
> + if (is_mtk_nand_header(ptr))
> mtk_image_verify_nand_header(ptr, 1);
> else
> mtk_image_verify_gen_header(ptr, 1);
> @@ -870,36 +650,33 @@ static void mtk_image_set_gen_header(void *ptr, off_t
> filesize,
> static void mtk_image_set_nand_header(void *ptr, off_t filesize,
> uint32_t loadaddr)
> {
> - union nand_boot_header *nh = (union nand_boot_header *)ptr;
> struct brom_layout_header *brlyt;
> struct gfh_header *gfh;
> - uint32_t payload_pages;
> - int i;
> + uint32_t payload_pages, nand_page_size;
>
> - /* NAND device header, repeat 4 times */
> - for (i = 0; i < 4; i++)
> - memcpy(nh + i, hdr_nand, sizeof(union nand_boot_header));
> + /* NAND header */
> + nand_page_size = mtk_nand_header_put(hdr_nand, ptr);
>
> - /* BRLYT header */
> - payload_pages = (filesize + le16_to_cpu(hdr_nand->pagesize) - 1) /
> - le16_to_cpu(hdr_nand->pagesize);
> - brlyt = (struct brom_layout_header *)
> - (ptr + le16_to_cpu(hdr_nand->pagesize));
> - put_brom_layout_header(brlyt, hdr_media);
> - brlyt->header_size = cpu_to_le32(2);
> - brlyt->total_size = cpu_to_le32(payload_pages);
> - brlyt->header_size_2 = brlyt->header_size;
> - brlyt->total_size_2 = brlyt->total_size;
> - brlyt->unused = cpu_to_le32(1);
> + if (nand_page_size) {
> + /* BRLYT header */
> + payload_pages = (filesize + nand_page_size - 1) /
> + nand_page_size;
> + brlyt = (struct brom_layout_header *)(ptr + nand_page_size);
> + put_brom_layout_header(brlyt, hdr_media);
> + brlyt->header_size = cpu_to_le32(2);
> + brlyt->total_size = cpu_to_le32(payload_pages);
> + brlyt->header_size_2 = brlyt->header_size;
> + brlyt->total_size_2 = brlyt->total_size;
> + brlyt->unused = cpu_to_le32(1);
> + }
>
> /* GFH header */
> - gfh = (struct gfh_header *)(ptr + 2 * le16_to_cpu(hdr_nand->pagesize));
> - put_ghf_header(gfh, filesize, 2 * le16_to_cpu(hdr_nand->pagesize),
> - loadaddr, GFH_FLASH_TYPE_NAND);
> + gfh = (struct gfh_header *)(ptr + hdr_nand_size);
> + put_ghf_header(gfh, filesize, hdr_nand_size, loadaddr,
> + GFH_FLASH_TYPE_NAND);
>
> /* Generate SHA256 hash */
> - put_hash((uint8_t *)gfh,
> - filesize - 2 * le16_to_cpu(hdr_nand->pagesize) -
> SHA256_SUM_LEN);
> + put_hash((uint8_t *)gfh, filesize - hdr_nand_size - SHA256_SUM_LEN);
> }
>
> static void mtk_image_set_mt7621_header(void *ptr, off_t filesize,
> diff --git a/tools/mtk_image.h b/tools/mtk_image.h
> index d868545a33..fad9372100 100644
> --- a/tools/mtk_image.h
> +++ b/tools/mtk_image.h
> @@ -26,31 +26,6 @@ union gen_boot_header {
> #define SF_BOOT_NAME "SF_BOOT"
> #define SDMMC_BOOT_NAME "SDMMC_BOOT"
>
> -/* Header for NAND */
> -union nand_boot_header {
> - struct {
> - char name[12];
> - char version[4];
> - char id[8];
> - uint16_t ioif;
> - uint16_t pagesize;
> - uint16_t addrcycles;
> - uint16_t oobsize;
> - uint16_t pages_of_block;
> - uint16_t numblocks;
> - uint16_t writesize_shift;
> - uint16_t erasesize_shift;
> - uint8_t dummy[60];
> - uint8_t ecc_parity[28];
> - };
> -
> - uint8_t data[0x80];
> -};
> -
> -#define NAND_BOOT_NAME "BOOTLOADER!"
> -#define NAND_BOOT_VERSION "V006"
> -#define NAND_BOOT_ID "NFIINFO"
> -
> /* BootROM layout header */
> struct brom_layout_header {
> char name[8];
> diff --git a/tools/mtk_nand_headers.c b/tools/mtk_nand_headers.c
> new file mode 100644
> index 0000000000..12f827c39f
> --- /dev/null
> +++ b/tools/mtk_nand_headers.c
> @@ -0,0 +1,286 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * MediaTek BootROM NAND header definitions
> + *
> + * Copyright (C) 2022 MediaTek Inc.
> + * Author: Weijie Gao <weijie....@mediatek.com>
> + */
> +
> +#include <stdint.h>
> +#include <string.h>
> +#include "imagetool.h"
> +#include "mtk_image.h"
> +#include "mtk_nand_headers.h"
> +
> +/* NAND header for SPI-NAND with 2KB page + 64B spare */
> +static const union nand_boot_header snand_hdr_2k_64_data = {
> + .data = {
> + 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> + 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> + 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> + 0x00, 0x00, 0x00, 0x08, 0x03, 0x00, 0x40, 0x00,
> + 0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x7B, 0xC4, 0x17, 0x9D,
> + 0xCA, 0x42, 0x90, 0xD0, 0x98, 0xD0, 0xE0, 0xF7,
> + 0xDB, 0xCD, 0x16, 0xF6, 0x03, 0x73, 0xD2, 0xB8,
> + 0x93, 0xB2, 0x56, 0x5A, 0x84, 0x6E, 0x00, 0x00
> + }
> +};
> +
> +/* NAND header for SPI-NAND with 2KB page + 120B/128B spare */
> +static const union nand_boot_header snand_hdr_2k_128_data = {
> + .data = {
> + 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> + 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> + 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> + 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
> + 0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x90, 0x28, 0xED, 0x13,
> + 0x7F, 0x12, 0x22, 0xCD, 0x3D, 0x06, 0xF1, 0xB3,
> + 0x6F, 0x2E, 0xD9, 0xA0, 0x9D, 0x7A, 0xBD, 0xD7,
> + 0xB3, 0x28, 0x3C, 0x13, 0xDB, 0x4E, 0x00, 0x00
> + }
> +};
> +
> +/* NAND header for SPI-NAND with 4KB page + 256B spare */
> +static const union nand_boot_header snand_hdr_4k_256_data = {
> + .data = {
> + 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> + 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> + 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> + 0x00, 0x00, 0x00, 0x10, 0x05, 0x00, 0xE0, 0x00,
> + 0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x47, 0xED, 0x0E, 0xC3,
> + 0x83, 0xBF, 0x41, 0xD2, 0x85, 0x21, 0x97, 0x57,
> + 0xC4, 0x2E, 0x6B, 0x7A, 0x40, 0xE0, 0xCF, 0x8F,
> + 0x37, 0xBD, 0x17, 0xB6, 0xC7, 0xFE, 0x00, 0x00
> + }
> +};
> +
> +/* NAND header for Parallel NAND 1Gb with 2KB page + 64B spare */
> +static const union nand_boot_header nand_hdr_1gb_2k_64_data = {
> + .data = {
> + 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> + 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> + 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> + 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
> + 0x40, 0x00, 0x00, 0x04, 0x0B, 0x00, 0x11, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x12, 0x28, 0x1C, 0x12,
> + 0x8F, 0xFD, 0xF8, 0x32, 0x6F, 0x6D, 0xCF, 0x6C,
> + 0xDA, 0x21, 0x70, 0x8C, 0xDA, 0x0A, 0x22, 0x82,
> + 0xAA, 0x59, 0xFA, 0x7C, 0x42, 0x2D, 0x00, 0x00
> + }
> +};
> +
> +/* NAND header for Parallel NAND 2Gb with 2KB page + 64B spare */
> +static const union nand_boot_header nand_hdr_2gb_2k_64_data = {
> + .data = {
> + 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> + 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> + 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> + 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
> + 0x40, 0x00, 0x00, 0x08, 0x0B, 0x00, 0x11, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x20, 0x9C, 0x3D, 0x2D,
> + 0x7B, 0x68, 0x63, 0x52, 0x2E, 0x04, 0x63, 0xF1,
> + 0x35, 0x4E, 0x44, 0x3E, 0xF8, 0xAC, 0x9B, 0x95,
> + 0xAB, 0xFE, 0xE4, 0xE1, 0xD5, 0xF9, 0x00, 0x00
> + }
> +};
> +
> +/* NAND header for Parallel NAND 4Gb with 2KB page + 64B spare */
> +static const union nand_boot_header nand_hdr_4gb_2k_64_data = {
> + .data = {
> + 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> + 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> + 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> + 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
> + 0x40, 0x00, 0x00, 0x10, 0x0B, 0x00, 0x11, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0xE3, 0x0F, 0x86, 0x32,
> + 0x68, 0x05, 0xD9, 0xC8, 0x13, 0xDF, 0xC5, 0x0B,
> + 0x35, 0x3A, 0x68, 0xA5, 0x3C, 0x0C, 0x73, 0x87,
> + 0x63, 0xB0, 0xBE, 0xCC, 0x84, 0x47, 0x00, 0x00
> + }
> +};
> +
> +/* NAND header for Parallel NAND 2Gb with 2KB page + 128B spare */
> +static const union nand_boot_header nand_hdr_2gb_2k_128_data = {
> + .data = {
> + 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> + 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> + 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> + 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
> + 0x40, 0x00, 0x00, 0x08, 0x0B, 0x00, 0x11, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x01, 0xA5, 0xE9, 0x5A,
> + 0xDF, 0x58, 0x62, 0x41, 0xD6, 0x26, 0x77, 0xBC,
> + 0x76, 0x1F, 0x27, 0x4E, 0x4F, 0x6C, 0xC3, 0xF0,
> + 0x36, 0xDE, 0xD9, 0xB3, 0xFF, 0x93, 0x00, 0x00
> + }
> +};
> +
> +/* NAND header for Parallel NAND 4Gb with 2KB page + 128B spare */
> +static const union nand_boot_header nand_hdr_4gb_2k_128_data = {
> + .data = {
> + 0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
> + 0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
> + 0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
> + 0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
> + 0x40, 0x00, 0x00, 0x10, 0x0B, 0x00, 0x11, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0xC2, 0x36, 0x52, 0x45,
> + 0xCC, 0x35, 0xD8, 0xDB, 0xEB, 0xFD, 0xD1, 0x46,
> + 0x76, 0x6B, 0x0B, 0xD5, 0x8B, 0xCC, 0x2B, 0xE2,
> + 0xFE, 0x90, 0x83, 0x9E, 0xAE, 0x2D, 0x00, 0x00
> + }
> +};
> +
> +static const struct nand_header_type {
> + const char *name;
> + const union nand_boot_header *data;
> +} nand_headers[] = {
> + {
> + .name = "2k+64",
> + .data = &snand_hdr_2k_64_data
> + }, {
> + .name = "2k+120",
> + .data = &snand_hdr_2k_128_data
> + }, {
> + .name = "2k+128",
> + .data = &snand_hdr_2k_128_data
> + }, {
> + .name = "4k+256",
> + .data = &snand_hdr_4k_256_data
> + }, {
> + .name = "1g:2k+64",
> + .data = &nand_hdr_1gb_2k_64_data
> + }, {
> + .name = "2g:2k+64",
> + .data = &nand_hdr_2gb_2k_64_data
> + }, {
> + .name = "4g:2k+64",
> + .data = &nand_hdr_4gb_2k_64_data
> + }, {
> + .name = "2g:2k+128",
> + .data = &nand_hdr_2gb_2k_128_data
> + }, {
> + .name = "4g:2k+128",
> + .data = &nand_hdr_4gb_2k_128_data
> + }
> +};
> +
> +const union nand_boot_header *mtk_nand_header_find(const char *name)
> +{
> + uint32_t i;
> +
> + for (i = 0; i < ARRAY_SIZE(nand_headers); i++) {
> + if (!strcmp(nand_headers[i].name, name))
> + return nand_headers[i].data;
> + }
> +
> + return NULL;
> +}
> +
> +uint32_t mtk_nand_header_size(const union nand_boot_header *hdr_nand)
> +{
> + return 2 * le16_to_cpu(hdr_nand->pagesize);
> +}
> +
> +static int mtk_nand_header_ap_info(const void *ptr,
> + struct nand_header_info *info)
> +{
> + union nand_boot_header *nh = (union nand_boot_header *)ptr;
> +
> + if (strncmp(nh->version, NAND_BOOT_VERSION, sizeof(nh->version)) ||
> + strcmp(nh->id, NAND_BOOT_ID))
> + return -1;
> +
> + info->page_size = le16_to_cpu(nh->pagesize);
> + info->spare_size = le16_to_cpu(nh->oobsize);
> + info->gfh_offset = 2 * info->page_size;
> +
> + return 0;
> +}
> +
> +int mtk_nand_header_info(const void *ptr, struct nand_header_info *info)
> +{
> + if (!strcmp((char *)ptr, NAND_BOOT_NAME))
> + return mtk_nand_header_ap_info(ptr, info);
> +
> + return -1;
> +}
> +
> +bool is_mtk_nand_header(const void *ptr)
> +{
> + struct nand_header_info info;
> +
> + if (mtk_nand_header_info(ptr, &info) >= 0)
> + return true;
> +
> + return false;
> +}
> +
> +uint32_t mtk_nand_header_put(const union nand_boot_header *hdr_nand, void
> *ptr)
> +{
> + union nand_boot_header *nh = (union nand_boot_header *)ptr;
> + int i;
> +
> + /* NAND device header, repeat 4 times */
> + for (i = 0; i < 4; i++)
> + memcpy(nh + i, hdr_nand, sizeof(union nand_boot_header));
> +
> + return le16_to_cpu(hdr_nand->pagesize);
> +}
> diff --git a/tools/mtk_nand_headers.h b/tools/mtk_nand_headers.h
> new file mode 100644
> index 0000000000..20506cab38
> --- /dev/null
> +++ b/tools/mtk_nand_headers.h
> @@ -0,0 +1,61 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * MediaTek BootROM NAND header definitions
> + *
> + * Copyright (C) 2022 MediaTek Inc.
> + * Author: Weijie Gao <weijie....@mediatek.com>
> + */
> +
> +#ifndef _MTK_NAND_HEADERS_H
> +#define _MTK_NAND_HEADERS_H
> +
> +#include <stdint.h>
> +#include <stdbool.h>
> +
> +struct nand_header_info {
> + uint32_t page_size;
> + uint32_t spare_size;
> + uint32_t gfh_offset;
> +};
> +
> +/* AP BROM Header for NAND */
> +union nand_boot_header {
> + struct {
> + char name[12];
> + char version[4];
> + char id[8];
> + uint16_t ioif; /* I/O interface */
> + uint16_t pagesize; /* NAND page size */
> + uint16_t addrcycles; /* Address cycles */
> + uint16_t oobsize; /* NAND page spare size */
> + uint16_t pages_of_block; /* Pages of one block */
> + uint16_t numblocks; /* Total blocks of NAND chip */
> + uint16_t writesize_shift;
> + uint16_t erasesize_shift;
> + uint8_t dummy[60];
> + uint8_t ecc_parity[28]; /* ECC parity of this header */
> + };
> +
> + uint8_t data[0x80];
> +};
> +
> +#define NAND_BOOT_NAME "BOOTLOADER!"
> +#define NAND_BOOT_VERSION "V006"
> +#define NAND_BOOT_ID "NFIINFO"
> +
> +/* Find nand header data by name */
> +const union nand_boot_header *mtk_nand_header_find(const char *name);
> +
> +/* Device header size using this nand header */
> +uint32_t mtk_nand_header_size(const union nand_boot_header *hdr_nand);
> +
> +/* Get nand info from nand header (page size, spare size, ...) */
> +int mtk_nand_header_info(const void *ptr, struct nand_header_info *info);
> +
> +/* Whether given header data is valid */
> +bool is_mtk_nand_header(const void *ptr);
> +
> +/* Generate Device header using give nand header */
> +uint32_t mtk_nand_header_put(const union nand_boot_header *hdr_nand, void
> *ptr);
> +
> +#endif /* _MTK_NAND_HEADERS_H */
> --
> 2.17.1
>
