imx8m: acquire ATF commit hash
Acquire ATF commit hash when booting U-Boot to make user easy
to know the ATF version.
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 8711795..8b6be7b 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -425,3 +425,27 @@
}
}
#endif
+
+#if defined(CONFIG_ARCH_MISC_INIT)
+static void acquire_buildinfo(void)
+{
+ u64 atf_commit = 0;
+
+ /* Get ARM Trusted Firmware commit id */
+ atf_commit = call_imx_sip(IMX_SIP_BUILDINFO,
+ IMX_SIP_BUILDINFO_GET_COMMITHASH, 0, 0, 0);
+ if (atf_commit == 0xffffffff) {
+ debug("ATF does not support build info\n");
+ atf_commit = 0x30; /* Display 0, 0 ascii is 0x30 */
+ }
+
+ printf("\n BuildInfo:\n - ATF %s\n\n", (char *)&atf_commit);
+}
+
+int arch_misc_init(void)
+{
+ acquire_buildinfo();
+
+ return 0;
+}
+#endif