diff options
| author | York Sun <york.sun@nxp.com> | 2017-08-15 11:14:43 -0700 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-09-11 07:55:36 -0700 |
| commit | 7264f2928b46c5f5685e39ed607652c8991e47b6 (patch) | |
| tree | c60c73a6fb0c33399fbdb25c31e4f08741bef71a /common | |
| parent | d1f2ee7021dc4a89f43e25f289747a27da0e930f (diff) | |
spl: fit: Eanble GZIP support for image decompression
Add Kconfig option SPL_GZIP and SPL_ZLIB to enable gunzip support for
SPL boot, eg. falcon boot compressed kernel image.
Signed-off-by: York Sun <york.sun@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common')
| -rw-r--r-- | common/spl/spl_fit.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c index d2a352ecbe..fe41ce02d2 100644 --- a/common/spl/spl_fit.c +++ b/common/spl/spl_fit.c @@ -11,6 +11,10 @@ #include <libfdt.h> #include <spl.h> +#ifndef CONFIG_SYS_BOOTM_LEN +#define CONFIG_SYS_BOOTM_LEN (64 << 20) +#endif + /** * spl_fit_get_image_node(): By using the matching configuration subnode, * retrieve the name of an image, specified by a property name and an index @@ -135,6 +139,19 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector, ulong overhead; int nr_sectors; int align_len = ARCH_DMA_MINALIGN - 1; + uint8_t image_comp = -1, type = -1; + + if (IS_ENABLED(CONFIG_SPL_OS_BOOT) && IS_ENABLED(CONFIG_SPL_GZIP)) { + if (fit_image_get_comp(fit, node, &image_comp)) + puts("Cannot get image compression format.\n"); + else + debug("%s ", genimg_get_comp_name(image_comp)); + + if (fit_image_get_type(fit, node, &type)) + puts("Cannot get image type.\n"); + else + debug("%s ", genimg_get_type_name(type)); + } offset = fdt_getprop_u32(fit, node, "data-offset"); if (offset == FDT_ERROR) @@ -154,7 +171,7 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector, if (info->read(info, sector + get_aligned_image_offset(info, offset), nr_sectors, (void*)load_ptr) != nr_sectors) return -EIO; - debug("image: dst=%lx, offset=%lx, size=%lx\n", load_ptr, offset, + debug("image dst=%lx, offset=%lx, size=%lx\n", load_ptr, offset, (unsigned long)length); src = (void *)load_ptr + overhead; @@ -162,7 +179,18 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector, board_fit_image_post_process(&src, &length); #endif - memcpy((void*)load_addr, src, length); + if (IS_ENABLED(CONFIG_SPL_OS_BOOT) && + IS_ENABLED(CONFIG_SPL_GZIP) && + image_comp == IH_COMP_GZIP && + type == IH_TYPE_KERNEL) { + if (gunzip((void *)load_addr, CONFIG_SYS_BOOTM_LEN, + src, &length)) { + puts("Uncompressing error\n"); + return -EIO; + } + } else { + memcpy((void *)load_addr, src, length); + } if (image_info) { image_info->load_addr = load_addr; |