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Diffstat (limited to 'common/restart.c')
-rw-r--r--common/restart.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/common/restart.c b/common/restart.c
index b6f2bbf25b..35cfb54251 100644
--- a/common/restart.c
+++ b/common/restart.c
@@ -27,6 +27,14 @@ int restart_handler_register(struct restart_handler *rst)
if (!rst->priority)
rst->priority = RESTART_DEFAULT_PRIORITY;
+ if (rst->of_node) {
+ of_property_read_u32(rst->of_node, "restart-priority",
+ &rst->priority);
+ if (of_property_read_bool(rst->of_node,
+ "barebox,restart-warm-bootrom"))
+ rst->flags |= RESTART_FLAG_WARM_BOOTROM;
+ }
+
list_add_tail(&rst->list, &restart_handler_list);
pr_debug("registering restart handler \"%s\" with priority %d\n",
@@ -66,9 +74,9 @@ int restart_handler_register_fn(const char *name,
}
/**
- * restart_handler_get_by_name() - reset the whole system
+ * restart_handler_get_by_name() - get highest priority `name'
*/
-struct restart_handler *restart_handler_get_by_name(const char *name)
+struct restart_handler *restart_handler_get_by_name(const char *name, int flags)
{
struct restart_handler *rst = NULL, *tmp;
unsigned int priority = 0;
@@ -76,6 +84,8 @@ struct restart_handler *restart_handler_get_by_name(const char *name)
list_for_each_entry(tmp, &restart_handler_list, list) {
if (name && tmp->name && strcmp(name, tmp->name))
continue;
+ if (flags && (tmp->flags & flags) != flags)
+ continue;
if (tmp->priority > priority) {
priority = tmp->priority;
rst = tmp;
@@ -92,7 +102,7 @@ void __noreturn restart_machine(void)
{
struct restart_handler *rst;
- rst = restart_handler_get_by_name(NULL);
+ rst = restart_handler_get_by_name(NULL, 0);
if (rst) {
pr_debug("%s: using restart handler %s\n", __func__, rst->name);
console_flush();
@@ -102,21 +112,6 @@ void __noreturn restart_machine(void)
hang();
}
-/**
- * of_get_restart_priority() - get the desired restart priority from device tree
- * @node: The device_node to read the property from
- *
- * return: The priority
- */
-unsigned int of_get_restart_priority(struct device_node *node)
-{
- unsigned int priority = RESTART_DEFAULT_PRIORITY;
-
- of_property_read_u32(node, "restart-priority", &priority);
-
- return priority;
-}
-
/*
* restart_handlers_print - print informations about all restart handlers
*/
@@ -124,6 +119,10 @@ void restart_handlers_print(void)
{
struct restart_handler *tmp;
- list_for_each_entry(tmp, &restart_handler_list, list)
- printf("%-20s %6d\n", tmp->name, tmp->priority);
+ list_for_each_entry(tmp, &restart_handler_list, list) {
+ printf("%-20s %6d ", tmp->name, tmp->priority);
+ if (tmp->flags & RESTART_FLAG_WARM_BOOTROM)
+ putchar('W');
+ putchar('\n');
+ }
}