summaryrefslogtreecommitdiffstats
path: root/arch/xtensa/include/asm/platform.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/xtensa/include/asm/platform.h')
-rw-r--r--arch/xtensa/include/asm/platform.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/platform.h b/arch/xtensa/include/asm/platform.h
new file mode 100644
index 0000000000..94f13fabf7
--- /dev/null
+++ b/arch/xtensa/include/asm/platform.h
@@ -0,0 +1,46 @@
+/*
+ * Platform specific 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) 2001 - 2005 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_PLATFORM_H
+#define _XTENSA_PLATFORM_H
+
+#include <linux/types.h>
+#include <asm/bootparam.h>
+
+/*
+ * platform_init is called before the mmu is initialized to give the
+ * platform a early hook-up. bp_tag_t is a list of configuration tags
+ * passed from the boot-loader.
+ */
+extern void platform_init(bp_tag_t*);
+
+/*
+ * platform_setup is called from setup_arch with a pointer to the command-line
+ * string.
+ */
+extern void platform_setup (char **);
+
+/*
+ * platform_idle is called from the idle function.
+ */
+extern void platform_idle (void);
+
+/*
+ * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE)
+ */
+extern void platform_calibrate_ccount (void);
+
+/*
+ * Flush and reset the mmu, simulate a processor reset, and
+ * jump to the reset vector.
+ */
+void cpu_reset(void) __attribute__((noreturn));
+
+#endif /* _XTENSA_PLATFORM_H */