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-rw-r--r--common/bootm_os.c32
-rw-r--r--lib/optee/Kconfig9
2 files changed, 41 insertions, 0 deletions
diff --git a/common/bootm_os.c b/common/bootm_os.c
index 5e6b1777e4..b84a8e26d2 100644
--- a/common/bootm_os.c
+++ b/common/bootm_os.c
@@ -11,6 +11,7 @@
#include <linux/libfdt.h>
#include <malloc.h>
#include <vxworks.h>
+#include <tee/optee.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -433,6 +434,34 @@ static int do_bootm_openrtos(int flag, int argc, char * const argv[],
}
#endif
+#ifdef CONFIG_BOOTM_OPTEE
+static int do_bootm_tee(int flag, int argc, char * const argv[],
+ bootm_headers_t *images)
+{
+ int ret;
+
+ /* Verify OS type */
+ if (images->os.os != IH_OS_TEE) {
+ return 1;
+ };
+
+ /* Validate OPTEE header */
+ ret = optee_verify_bootm_image(images->os.image_start,
+ images->os.load,
+ images->os.image_len);
+ if (ret)
+ return ret;
+
+ /* Locate FDT etc */
+ ret = bootm_find_images(flag, argc, argv);
+ if (ret)
+ return ret;
+
+ /* From here we can run the regular linux boot path */
+ return do_bootm_linux(flag, argc, argv, images);
+}
+#endif
+
static boot_os_fn *boot_os[] = {
[IH_OS_U_BOOT] = do_bootm_standalone,
#ifdef CONFIG_BOOTM_LINUX
@@ -466,6 +495,9 @@ static boot_os_fn *boot_os[] = {
#ifdef CONFIG_BOOTM_OPENRTOS
[IH_OS_OPENRTOS] = do_bootm_openrtos,
#endif
+#ifdef CONFIG_BOOTM_OPTEE
+ [IH_OS_TEE] = do_bootm_tee,
+#endif
};
/* Allow for arch specific config before we boot */
diff --git a/lib/optee/Kconfig b/lib/optee/Kconfig
index cc73ec3fb5..1e5ab45c3d 100644
--- a/lib/optee/Kconfig
+++ b/lib/optee/Kconfig
@@ -28,3 +28,12 @@ config OPTEE_TZDRAM_BASE
help
The base address of pre-allocated Trust Zone DRAM for
the OPTEE runtime.
+
+config BOOTM_OPTEE
+ bool "Support OPTEE bootm command"
+ select BOOTM_LINUX
+ default n
+ help
+ Select this command to enable chain-loading of a Linux kernel
+ via an OPTEE firmware.
+ The bootflow is BootROM -> u-boot -> OPTEE -> Linux in this case.