Author: andrew
Date: Tue Aug 11 13:42:58 2015
New Revision: 286630
URL: https://svnweb.freebsd.org/changeset/base/286630
Log:
Start to support PSCI 1.0. For all the functions we currently support this
can be seen as the same as 0.2. There are changes with the data passed to
CPU_SUSPEND, however we don't yet use this call.
Sponsored by: ABT Systems Ltd
Modified:
head/sys/dev/psci/psci.c
Modified: head/sys/dev/psci/psci.c
==============================================================================
--- head/sys/dev/psci/psci.c Tue Aug 11 12:38:54 2015 (r286629)
+++ head/sys/dev/psci/psci.c Tue Aug 11 13:42:58 2015 (r286630)
@@ -288,20 +288,21 @@ psci_v0_2_init(device_t dev)
if (version == PSCI_RETVAL_NOT_SUPPORTED)
return (1);
- if ((PSCI_VER_MAJOR(version) != 0) && (PSCI_VER_MINOR(version) != 2)) {
- device_printf(dev, "PSCI version number mismatched with DT\n");
- return (1);
- }
+ if ((PSCI_VER_MAJOR(version) == 0 && PSCI_VER_MINOR(version) == 2) ||
+ (PSCI_VER_MAJOR(version) == 1 && PSCI_VER_MINOR(version) == 0)) {
+ if (bootverbose)
+ device_printf(dev, "PSCI version 0.2 available\n");
- if (bootverbose)
- device_printf(dev, "PSCI version 0.2 available\n");
+ /*
+ * We only register this for v0.2 since v0.1 doesn't support
+ * system_reset.
+ */
+ EVENTHANDLER_REGISTER(shutdown_final, psci_shutdown, sc,
+ SHUTDOWN_PRI_LAST);
- /*
- * We only register this for v0.2 since v0.1 doesn't support
- * system_reset.
- */
- EVENTHANDLER_REGISTER(shutdown_final, psci_shutdown, sc,
- SHUTDOWN_PRI_LAST);
+ return (0);
+ }
- return (0);
+ device_printf(dev, "PSCI version number mismatched with DT\n");
+ return (1);
}
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