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7bf274b9ca
Our chips may have different spl size and spl header, so use imagename(passed by "mkimage -n") to select them now. Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Acked-by: Simon Glass <sjg@chromium.org>
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* (C) Copyright 2015 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _RKCOMMON_H
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#define _RKCOMMON_H
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enum {
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RK_BLK_SIZE = 512,
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RK_INIT_OFFSET = 4,
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RK_MAX_BOOT_SIZE = 512 << 10,
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RK_SPL_HDR_START = RK_INIT_OFFSET * RK_BLK_SIZE,
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RK_SPL_HDR_SIZE = 4,
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RK_SPL_START = RK_SPL_HDR_START + RK_SPL_HDR_SIZE,
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RK_IMAGE_HEADER_LEN = RK_SPL_START,
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};
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/**
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* rkcommon_check_params() - check params
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*
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* @return 0 if OK, -1 if ERROR.
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*/
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int rkcommon_check_params(struct image_tool_params *params);
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/**
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* rkcommon_get_spl_hdr() - get 4-bytes spl hdr for a Rockchip boot image
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*
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* Rockchip's bootrom requires the spl loader to start with a 4-bytes
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* header. The content of this header depends on the chip type.
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*/
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const char *rkcommon_get_spl_hdr(struct image_tool_params *params);
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/**
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* rkcommon_get_spl_size() - get spl size for a Rockchip boot image
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*
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* Different chip may have different sram size. And if we want to jump
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* back to the bootrom after spl, we may need to reserve some sram space
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* for the bootrom.
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* The spl loader size should be sram size minus reserved size(if needed)
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*/
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int rkcommon_get_spl_size(struct image_tool_params *params);
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/**
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* rkcommon_set_header() - set up the header for a Rockchip boot image
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*
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* This sets up a 2KB header which can be interpreted by the Rockchip boot ROM.
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*
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* @buf: Pointer to header place (must be at least 2KB in size)
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* @file_size: Size of the file we want the boot ROM to load, in bytes
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* @return 0 if OK, -ENOSPC if too large
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*/
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int rkcommon_set_header(void *buf, uint file_size,
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struct image_tool_params *params);
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#endif
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