Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c
new file mode 100644
index 0000000000..926b8bf0f1
--- /dev/null
+++ b/arch/xtensa/kernel/platform.c
@@ -0,0 +1,44 @@
+/*
+ * arch/xtensa/kernel/platform.c
+ *
+ * Default platform functions.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2005 Tensilica Inc.
+ *
+ * Chris Zankel <chris@zankel.net>
+ */
+
+#include <linux/printk.h>
+#include <linux/types.h>
+#include <asm/platform.h>
+#include <asm/timex.h>
+
+/*
+ * Default functions that are used if no platform specific function is defined.
+ * (Please, refer to arch/xtensa/include/asm/platform.h for more information)
+ */
+
+void __weak __init platform_init(bp_tag_t *first)
+{
+}
+
+void __weak __init platform_setup(char **cmd)
+{
+}
+
+void __weak platform_idle(void)
+{
+	__asm__ __volatile__ ("waiti 0" ::: "memory");
+}
+
+#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
+void __weak platform_calibrate_ccount(void)
+{
+	pr_err("ERROR: Cannot calibrate cpu frequency! Assuming 10MHz.\n");
+	ccount_freq = 10 * 1000000UL;
+}
+#endif