upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/tools/rkcommon.h

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1.6 KiB

/*
* (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