diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-04-10 13:02:24 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-04-10 13:02:24 +0100 |
| commit | c39770cd63776516c4e244702e859d84913ba9ed (patch) | |
| tree | ecec45c521da8fbf58729cdbfa7a9e3d45cd24ef /hw/arm/boot.c | |
| parent | fb4fe32d5b6290deabe752b51cc1cc2a9e8573db (diff) | |
hw/arm: Allow manually specified /psci node
Change the code to avoid exiting QEMU if user provided DTB contains
manually specified /psci node and skip any /psci related fixups
instead.
Fixes: 4cbca7d9b4 ("hw/arm: Move virt's PSCI DT fixup code to
arm/boot.c")
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reported-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Message-id: 20180402205654.14572-1-andrew.smirnov@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/boot.c')
| -rw-r--r-- | hw/arm/boot.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 9319b12fcd..26184bcd7c 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -422,6 +422,7 @@ static void fdt_add_psci_node(void *fdt) ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(0)); const char *psci_method; int64_t psci_conduit; + int rc; psci_conduit = object_property_get_int(OBJECT(armcpu), "psci-conduit", @@ -439,6 +440,15 @@ static void fdt_add_psci_node(void *fdt) g_assert_not_reached(); } + /* + * If /psci node is present in provided DTB, assume that no fixup + * is necessary and all PSCI configuration should be taken as-is + */ + rc = fdt_path_offset(fdt, "/psci"); + if (rc >= 0) { + return; + } + qemu_fdt_add_subnode(fdt, "/psci"); if (armcpu->psci_version == 2) { const char comp[] = "arm,psci-0.2\0arm,psci"; |