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spl: fit: support for booting a GZIP-compressed U-boot binary

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If GZIP Compression support is enabled, GZIP compressed U-Boot binary
will be at a specified RAM location which is defined at
CONFIG_SYS_LOAD_ADDR and will be assign it as the source address.

gunzip function in spl_load_fit_image ,will decompress the GZIP
compressed U-Boot binary which is placed at
source address(CONFIG_SYS_LOAD_ADDR)  to the default
CONFIG_SYS_TEXT_BASE location.

spl_load_fit_image function will load the decompressed U-Boot
binary, which is placed at the CONFIG_SYS_TEXT_BASE location.

Signed-off-by: Manoj Sai <abbaraju.manojsai@amarulasolutions.com>
Signed-off-by: Suniel Mahesh <sunil@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Manoj Sai
2023-10-07 16:49:41 +08:00
committed by Kever Yang
parent 9841fe2119
commit ce6ab56401
2 changed files with 16 additions and 3 deletions
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include/spl.h
+10
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@@ -897,4 +897,14 @@ struct legacy_img_hdr *spl_get_load_buffer(ssize_t offset, size_t size);
void board_boot_order(u32 *spl_boot_list);
void spl_save_restore_data(void);
/*
* spl_decompression_enabled() - check decompression support is enabled for SPL build
*
* Returns true if decompression support is enabled, else False
*/
static inline bool spl_decompression_enabled(void)
{
return IS_ENABLED(CONFIG_SPL_GZIP);
}
#endif