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>
diff --git a/common/image-fit.c b/common/image-fit.c
index 2b9e71a..2016d1e 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -1497,6 +1497,8 @@
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 @@
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;
+}