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- /*
- * (C) Copyright 2015 Google, Inc
- * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #ifndef _RKCOMMON_H
- #define _RKCOMMON_H
- enum {
- RK_BLK_SIZE = 512,
- 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
- *
- * This sets up a 2KB header which can be interpreted by the Rockchip boot ROM.
- *
- * @buf: Pointer to header place (must be at least 2KB in size)
- * @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,
- struct image_tool_params *params);
- #endif
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