diff options
| -rw-r--r-- | core/init.c | 2 | ||||
| -rw-r--r-- | doc/device-tree/ibm,opal.rst | 10 | ||||
| -rw-r--r-- | include/skiboot.h | 1 |
3 files changed, 13 insertions, 0 deletions
diff --git a/core/init.c b/core/init.c index 3b887a2..99ce92d 100644 --- a/core/init.c +++ b/core/init.c @@ -543,6 +543,8 @@ void __noreturn load_and_boot_kernel(bool is_reboot) op_display(OP_LOG, OP_MOD_INIT, 0x000B); + add_fast_reboot_dt_entries(); + /* Create the device tree blob to boot OS. */ fdt = create_dtb(dt_root, false); if (!fdt) { diff --git a/doc/device-tree/ibm,opal.rst b/doc/device-tree/ibm,opal.rst index 2fa446d..25f905d 100644 --- a/doc/device-tree/ibm,opal.rst +++ b/doc/device-tree/ibm,opal.rst @@ -71,3 +71,13 @@ supported POWER8 systems. On the earliest POWER8 OPAL systems, there was `ibm,heartbeat-freq` instead. However, no OS at the time ever looked at that value, so it can be ignored by any new operating systems. + +fast-reboot property +^^^^^^^^^^^^^^^^^^^^ + +This property of the `ibm,opal` node is an option property that will either be +the string `okay` or the reason the fast reboot feature was disabled on boot. + +The motivation behind adding this property is to help the OPAL test suite work +out if it should even try the fast reboot test on a particular platform +(without it having to resort to grepping firmware logs). diff --git a/include/skiboot.h b/include/skiboot.h index b4bdf37..a1b4894 100644 --- a/include/skiboot.h +++ b/include/skiboot.h @@ -217,6 +217,7 @@ extern int64_t opal_signal_system_reset(int cpu_nr); /* Fast reboot support */ extern void disable_fast_reboot(const char *reason); +extern void add_fast_reboot_dt_entries(void); extern void fast_reboot(void); extern void __noreturn __secondary_cpu_entry(void); extern void __noreturn load_and_boot_kernel(bool is_reboot); |