lib/arm/psci.c

2  * PSCI API
3  * From arch/arm[64]/kernel/psci.c
10 #include <asm/psci.h>
23 	printf("No PSCI method configured! Can't invoke...\n");  in psci_invoke_none()
32 	return psci_invoke_fn(function_id, arg0, arg1, arg2, 0, 0, 0, 0, 0, 0, 0, 0, NULL);  in psci_invoke()
38 	return psci_invoke(PSCI_0_2_FN_CPU_ON, cpuid, entry_point, 0);  in psci_cpu_on()
40 	return psci_invoke(PSCI_0_2_FN64_CPU_ON, cpuid, entry_point, 0);  in psci_cpu_on()
55 	int err = psci_invoke(PSCI_0_2_FN_CPU_OFF, 0, 0, 0);  in cpu_psci_cpu_die()
61 	psci_invoke(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0);  in psci_system_reset()
66 	int err = psci_invoke(PSCI_0_2_FN_SYSTEM_OFF, 0, 0, 0);  in psci_system_off()
76 	node = fdt_node_offset_by_compatible(fdt, -1, "arm,psci-0.2");  in psci_set_conduit_fdt()
77 	assert_msg(node >= 0, "PSCI v0.2 compatibility required");  in psci_set_conduit_fdt()
82 	if (strcmp(method->data, "hvc") == 0)  in psci_set_conduit_fdt()
84 	else if (strcmp(method->data, "smc") == 0)  in psci_set_conduit_fdt()
87 		assert_msg(false, "Unknown PSCI conduit: %s", method->data);  in psci_set_conduit_fdt()
99 	assert_msg(fadt->arm_boot_flags & ACPI_FADT_PSCI_COMPLIANT,  in psci_set_conduit_acpi()
100 		   "PSCI is not supported in this platform");  in psci_set_conduit_acpi()
102 	if (fadt->arm_boot_flags & ACPI_FADT_PSCI_USE_HVC)  in psci_set_conduit_acpi()