X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=tools%2Frkcommon.h;h=cc161a647ca3b46d75e3aafb8ba44d6d167ce378;hb=1e6776000efba7027d85eedcd532ba8e78e0fb6e;hp=57fd726004c89f324b420793f3549903a300ff01;hpb=c9feb427aba860ebc79f9851a1bb49cc456a2d48;p=u-boot diff --git a/tools/rkcommon.h b/tools/rkcommon.h index 57fd726004..cc161a647c 100644 --- a/tools/rkcommon.h +++ b/tools/rkcommon.h @@ -10,10 +10,39 @@ enum { RK_BLK_SIZE = 512, - RK_CODE1_OFFSET = 4, - RK_MAX_CODE1_SIZE = 32 << 10, + RK_INIT_OFFSET = 4, + RK_MAX_BOOT_SIZE = 512 << 10, + RK_SPL_HDR_START = RK_INIT_OFFSET * RK_BLK_SIZE, + RK_SPL_HDR_SIZE = 4, + RK_SPL_START = RK_SPL_HDR_START + RK_SPL_HDR_SIZE, + RK_IMAGE_HEADER_LEN = RK_SPL_START, }; +/** + * rkcommon_check_params() - check params + * + * @return 0 if OK, -1 if ERROR. + */ +int rkcommon_check_params(struct image_tool_params *params); + +/** + * rkcommon_get_spl_hdr() - get 4-bytes spl hdr for a Rockchip boot image + * + * Rockchip's bootrom requires the spl loader to start with a 4-bytes + * header. The content of this header depends on the chip type. + */ +const char *rkcommon_get_spl_hdr(struct image_tool_params *params); + +/** + * rkcommon_get_spl_size() - get spl size for a Rockchip boot image + * + * Different chip may have different sram size. And if we want to jump + * back to the bootrom after spl, we may need to reserve some sram space + * for the bootrom. + * The spl loader size should be sram size minus reserved size(if needed) + */ +int rkcommon_get_spl_size(struct image_tool_params *params); + /** * rkcommon_set_header() - set up the header for a Rockchip boot image * @@ -23,6 +52,39 @@ enum { * @file_size: Size of the file we want the boot ROM to load, in bytes * @return 0 if OK, -ENOSPC if too large */ -int rkcommon_set_header(void *buf, uint file_size); +int rkcommon_set_header(void *buf, uint file_size, + struct image_tool_params *params); + +/** + * rkcommon_need_rc4_spl() - check if rc4 encoded spl is required + * + * Some socs cannot disable the rc4-encryption of the spl binary. + * rc4 encryption is disabled normally except on socs that cannot + * handle unencrypted binaries. + * @return true or false depending on rc4 being required. + */ +bool rkcommon_need_rc4_spl(struct image_tool_params *params); + +/** + * rkcommon_rc4_encode_spl() - encode the spl binary + * + * Encrypts the SPL binary using the generic rc4 key as required + * by some socs. + * + * @buf: Pointer to the SPL data (header and SPL binary) + * @offset: offset inside buf to start at + * @size: number of bytes to encode + */ +void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size); + +/** + * rkcommon_vrec_header() - allocate memory for the header + * + * @params: Pointer to the tool params structure + * @tparams: Pointer tot the image type structure (for setting + * the header and header_size) + */ +void rkcommon_vrec_header(struct image_tool_params *params, + struct image_type_params *tparams); #endif