From: Peng Fan peng.fan@nxp.com

It is possible that cpu core may reset before relocation with PSCI reset

Signed-off-by: Peng Fan peng.fan@nxp.com --- drivers/sysreset/sysreset_psci.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/sysreset/sysreset_psci.c b/drivers/sysreset/sysreset_psci.c index 83ecbcb9d2c..30c4b9c1f5d 100644 --- a/drivers/sysreset/sysreset_psci.c +++ b/drivers/sysreset/sysreset_psci.c @@ -34,4 +34,5 @@ U_BOOT_DRIVER(psci_sysreset) = { .name = "psci-sysreset", .id = UCLASS_SYSRESET, .ops = &psci_sysreset_ops, + .flags = DM_FLAG_PRE_RELOC, };

From: Peng Fan peng.fan@nxp.com

Add weak function psci_sysreset_get_status for platform to define their own reset status with CONFIG_SYSRESET enabled.

Signed-off-by: Peng Fan peng.fan@nxp.com --- drivers/sysreset/sysreset_psci.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/drivers/sysreset/sysreset_psci.c b/drivers/sysreset/sysreset_psci.c index 30c4b9c1f5d..c9a044b5719 100644 --- a/drivers/sysreset/sysreset_psci.c +++ b/drivers/sysreset/sysreset_psci.c @@ -9,6 +9,11 @@ #include <linux/errno.h> #include <linux/psci.h>

+__weak int psci_sysreset_get_status(struct udevice *dev, char *buf, int size) +{ + return -EOPNOTSUPP; +} + static int psci_sysreset_request(struct udevice *dev, enum sysreset_t type) { switch (type) { @@ -28,6 +33,7 @@ static int psci_sysreset_request(struct udevice *dev, enum sysreset_t type)

static struct sysreset_ops psci_sysreset_ops = { .request = psci_sysreset_request, + .get_status = psci_sysreset_get_status, };

U_BOOT_DRIVER(psci_sysreset) = {

Tom, Simon,

Sorry for ping early, I have other patches pending on this patchset, just wonder whether you are fine with this patchset.

Thanks, Peng.

Subject: [PATCH 1/3] firmware: psci: enable DM_FLAG_PRE_RELOC

From: Peng Fan peng.fan@nxp.com

It is possible that cpu core may reset before relocation with PSCI reset

Signed-off-by: Peng Fan peng.fan@nxp.com

drivers/firmware/psci.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c index ef3e9836461..c6b9efab41c 100644 --- a/drivers/firmware/psci.c +++ b/drivers/firmware/psci.c @@ -319,4 +319,5 @@ U_BOOT_DRIVER(psci) = { #ifdef CONFIG_ARM_SMCCC_FEATURES .plat_auto = sizeof(struct psci_plat_data), #endif

• .flags = DM_FLAG_PRE_RELOC,

};

2.36.0