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spl: fit: support for booting a LZMA-compressed U-boot binary
If LZMA Compression support is enabled, LZMA compressed U-Boot binary will be placed at a specified RAM location which is defined at CONFIG_SYS_LOAD_ADDR and will be assigned as the source address. image_decomp() function, will decompress the LZMA 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: Simon Glass <sjg@chromium.org> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Tom Rini <trini@konsulko.com>
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2 changed files with 13 additions and 2 deletions
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@ -282,7 +282,8 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
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return 0;
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return 0;
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}
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}
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if (spl_decompression_enabled() && image_comp == IH_COMP_GZIP)
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if (spl_decompression_enabled() &&
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(image_comp == IH_COMP_GZIP || image_comp == IH_COMP_LZMA))
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src_ptr = map_sysmem(ALIGN(CONFIG_SYS_LOAD_ADDR, ARCH_DMA_MINALIGN), len);
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src_ptr = map_sysmem(ALIGN(CONFIG_SYS_LOAD_ADDR, ARCH_DMA_MINALIGN), len);
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else
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else
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src_ptr = map_sysmem(ALIGN(load_addr, ARCH_DMA_MINALIGN), len);
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src_ptr = map_sysmem(ALIGN(load_addr, ARCH_DMA_MINALIGN), len);
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@ -330,6 +331,16 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
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return -EIO;
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return -EIO;
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}
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}
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length = size;
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length = size;
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} else if (IS_ENABLED(CONFIG_SPL_LZMA) && image_comp == IH_COMP_LZMA) {
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size = CONFIG_SYS_BOOTM_LEN;
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ulong loadEnd;
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if (image_decomp(IH_COMP_LZMA, CONFIG_SYS_LOAD_ADDR, 0, 0,
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load_ptr, src, length, size, &loadEnd)) {
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puts("Uncompressing error\n");
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return -EIO;
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}
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length = loadEnd - CONFIG_SYS_LOAD_ADDR;
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} else {
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} else {
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memcpy(load_ptr, src, length);
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memcpy(load_ptr, src, length);
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}
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}
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@ -905,6 +905,6 @@ void spl_save_restore_data(void);
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*/
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*/
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static inline bool spl_decompression_enabled(void)
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static inline bool spl_decompression_enabled(void)
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{
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{
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return IS_ENABLED(CONFIG_SPL_GZIP);
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return IS_ENABLED(CONFIG_SPL_GZIP) || IS_ENABLED(CONFIG_SPL_LZMA);
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}
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}
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#endif
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#endif
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