From f2c306cd991a1c383de66ece1dd2301cd6b4b54b Mon Sep 17 00:00:00 2001 From: Hou Zhiqiang Date: Thu, 1 Aug 2024 11:59:47 +0800 Subject: cpu: add release_core callback Add a new callback release_core to the cpu_ops, which is used to release a CPU core to run baremetal or RTOS application on a SoC with multiple CPU cores. Signed-off-by: Hou Zhiqiang Reviewed-by: Simon Glass --- drivers/cpu/cpu-uclass.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/cpu/cpu-uclass.c') diff --git a/drivers/cpu/cpu-uclass.c b/drivers/cpu/cpu-uclass.c index 16f8f2e5219..2c8e46c05e3 100644 --- a/drivers/cpu/cpu-uclass.c +++ b/drivers/cpu/cpu-uclass.c @@ -104,6 +104,16 @@ int cpu_get_vendor(const struct udevice *dev, char *buf, int size) return ops->get_vendor(dev, buf, size); } +int cpu_release_core(const struct udevice *dev, phys_addr_t addr) +{ + struct cpu_ops *ops = cpu_get_ops(dev); + + if (!ops->release_core) + return -ENOSYS; + + return ops->release_core(dev, addr); +} + U_BOOT_DRIVER(cpu_bus) = { .name = "cpu_bus", .id = UCLASS_SIMPLE_BUS, -- cgit v1.2.3