Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / mips / include / asm / fw / fw.h

diff --git a/kernel/arch/mips/include/asm/fw/fw.h b/kernel/arch/mips/include/asm/fw/fw.h
new file mode 100644 (file)
index 0000000..f3e6978
--- /dev/null
+++ b/kernel/arch/mips/include/asm/fw/fw.h
@@ -0,0 +1,47 @@
+/*
+ * 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) 2012 MIPS Technologies, Inc.
+ */
+#ifndef __ASM_FW_H_
+#define __ASM_FW_H_
+
+#include <asm/bootinfo.h>      /* For cleaner code... */
+
+enum fw_memtypes {
+       fw_dontuse,
+       fw_code,
+       fw_free,
+};
+
+typedef struct {
+       unsigned long base;     /* Within KSEG0 */
+       unsigned int size;      /* bytes */
+       enum fw_memtypes type;  /* fw_memtypes */
+} fw_memblock_t;
+
+/* Maximum number of memory block descriptors. */
+#define FW_MAX_MEMBLOCKS       32
+
+extern int fw_argc;
+extern int *_fw_argv;
+extern int *_fw_envp;
+
+/*
+ * Most firmware like YAMON, PMON, etc. pass arguments and environment
+ * variables as 32-bit pointers. These take care of sign extension.
+ */
+#define fw_argv(index)         ((char *)(long)_fw_argv[(index)])
+#define fw_envp(index)         ((char *)(long)_fw_envp[(index)])
+
+extern void fw_init_cmdline(void);
+extern char *fw_getcmdline(void);
+extern fw_memblock_t *fw_getmdesc(int);
+extern void fw_meminit(void);
+extern char *fw_getenv(char *name);
+extern unsigned long fw_getenvl(char *name);
+extern void fw_init_early_console(char port);
+
+#endif /* __ASM_FW_H_ */