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authorTom Rini <trini@konsulko.com>2016-07-19 16:38:57 -0400
committerTom Rini <trini@konsulko.com>2016-07-19 16:38:57 -0400
commit66669fcf809c1e3ff644b12e04e625d3737ffd8e (patch)
tree362111f12b9dcf33eb31e165d882957df45fc896 /arch/arm/cpu/armv8/cpu-dt.c
parentf60d0603edca472c4458b30956f38c6c1a836d66 (diff)
parent0e68a3694d1f33c69be7d1cec5a4261aa1d3d01d (diff)
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Merge git://git.denx.de/u-boot-fsl-qoriq
Signed-off-by: Tom Rini <trini@konsulko.com> Conflicts: arch/arm/cpu/armv8/Makefile arch/arm/lib/bootm-fdt.c
Diffstat (limited to 'arch/arm/cpu/armv8/cpu-dt.c')
-rw-r--r--arch/arm/cpu/armv8/cpu-dt.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/cpu-dt.c b/arch/arm/cpu/armv8/cpu-dt.c
new file mode 100644
index 0000000000..9ffb49c37c
--- /dev/null
+++ b/arch/arm/cpu/armv8/cpu-dt.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2016 NXP Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/psci.h>
+#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
+#include <asm/armv8/sec_firmware.h>
+#endif
+
+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)
+ return 0;
+#endif
+ fdt_psci(fdt);
+#endif
+#endif
+ return 0;
+}