From a45e9f8106e0ae8f3315f7ca7d707eab171551d7 Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Thu, 19 Apr 2018 14:39:07 +0200 Subject: lib: Raw import FIT parser Import from https://chromium.googlesource.com/chromiumos/platform/depthcharge Coding style and coreboot integration will be done in a separate commit. Change-Id: Iee56db328d7eeffb0eaf829841243b0b9195c199 Signed-off-by: Patrick Rudolph Reviewed-on: https://review.coreboot.org/25739 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner --- src/include/fit.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 src/include/fit.h (limited to 'src/include') diff --git a/src/include/fit.h b/src/include/fit.h new file mode 100644 index 0000000000..1b2f975042 --- /dev/null +++ b/src/include/fit.h @@ -0,0 +1,78 @@ +/* + * Copyright 2013 Google Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but without any warranty; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __BOOT_FIT_H__ +#define __BOOT_FIT_H__ + +#include +#include + +#include "base/device_tree.h" +#include "base/list.h" + +typedef enum CompressionType +{ + CompressionInvalid, + CompressionNone, + CompressionLzma, + CompressionLz4, +} CompressionType; + +typedef struct FitImageNode +{ + const char *name; + void *data; + uint32_t size; + CompressionType compression; + + ListNode list_node; +} FitImageNode; + +typedef struct FitConfigNode +{ + const char *name; + const char *kernel; + FitImageNode *kernel_node; + const char *fdt; + FitImageNode *fdt_node; + const char *ramdisk; + FitImageNode *ramdisk_node; + FdtProperty compat; + int compat_rank; + int compat_pos; + + ListNode list_node; +} FitConfigNode; + +/* + * Unpack a FIT image into memory, choosing the right configuration through the + * compatible string set by fit_add_compat() and unflattening the corresponding + * kernel device tree. + */ +FitImageNode *fit_load(void *fit, char *cmd_line, DeviceTree **dt); + +/* + * Add a compatible string for the preferred kernel DT to the list for this + * platform. This should be called before the first fit_load() so it will be + * ranked as a better match than the default compatible strings. |compat| must + * stay accessible throughout depthcharge's runtime (i.e. not stack-allocated)! + */ +void fit_add_compat(const char *compat); + +void fit_add_ramdisk(DeviceTree *tree, void *ramdisk_addr, size_t ramdisk_size); + +#endif /* __BOOT_FIT_H__ */ -- cgit v1.2.3