Merge tag 'efi-2020-07-rc6' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

[oweals/u-boot.git] / arch / arm / cpu / armv8 / cpu-dt.c

diff --git a/arch/arm/cpu/armv8/cpu-dt.c b/arch/arm/cpu/armv8/cpu-dt.c
index 9ffb49c37cd6f0ebbd173b32c76aa4aa397f8e35..97d4473a68686960e241aa8edb0ef96dcdc98678 100644 (file)
--- a/arch/arm/cpu/armv8/cpu-dt.c
+++ b/arch/arm/cpu/armv8/cpu-dt.c
@@ -1,31 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2016 NXP Semiconductor, Inc.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
+#include <asm/cache.h>
 #include <asm/psci.h>
-#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
+#include <asm/system.h>
 #include <asm/armv8/sec_firmware.h>
-#endif
 
+#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
 int psci_update_dt(void *fdt)
 {
-#ifdef CONFIG_MP
-#if defined(CONFIG_ARMV8_PSCI)
-#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
        /*
         * If the PSCI in SEC Firmware didn't work, avoid to update the
         * device node of PSCI. But still return 0 instead of an error
         * number to support detecting PSCI dynamically and then switching
         * the SMP boot method between PSCI and spin-table.
         */
-       if (sec_firmware_support_psci_version() == 0xffffffff)
+       if (sec_firmware_support_psci_version() == PSCI_INVALID_VER)
                return 0;
-#endif
        fdt_psci(fdt);
+
+#if defined(CONFIG_ARMV8_PSCI) && !defined(CONFIG_ARMV8_SECURE_BASE)
+       /* secure code lives in RAM, keep it alive */
+       fdt_add_mem_rsv(fdt, (unsigned long)__secure_start,
+                       __secure_end - __secure_start);
 #endif
-#endif
+
        return 0;
 }
+#endif