diff options
| author | Simon Glass <sjg@chromium.org> | 2014-10-19 21:11:24 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-10-22 09:03:06 -0600 |
| commit | 90268b878bd830f2fc9b1e225d96009efe331cd1 (patch) | |
| tree | 680cddba7c37d284971ff23d0b4b66611b4cf019 /common/image-fit.c | |
| parent | 381197788dbf8bb94f96ec9e03b6b81618187260 (diff) | |
x86: Support loading kernel setup from a FIT
Add a new setup@ section to the FIT which can be used to provide a setup
binary for booting Linux on x86. This makes it possible to boot x86 from
a FIT.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common/image-fit.c')
| -rw-r--r-- | common/image-fit.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/common/image-fit.c b/common/image-fit.c index 2b9e71a8dc..2016d1e7dd 100644 --- a/common/image-fit.c +++ b/common/image-fit.c @@ -1497,6 +1497,8 @@ static const char *fit_get_image_type_property(int type) return FIT_KERNEL_PROP; case IH_TYPE_RAMDISK: return FIT_RAMDISK_PROP; + case IH_TYPE_X86_SETUP: + return FIT_SETUP_PROP; } return "unknown"; @@ -1693,3 +1695,23 @@ int fit_image_load(bootm_headers_t *images, ulong addr, return noffset; } + +int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch, + ulong *setup_start, ulong *setup_len) +{ + int noffset; + ulong addr; + ulong len; + int ret; + + addr = map_to_sysmem(images->fit_hdr_os); + noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr); + if (noffset < 0) + return noffset; + + ret = fit_image_load(images, addr, NULL, NULL, arch, + IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START, + FIT_LOAD_REQUIRED, setup_start, &len); + + return ret; +} |