/* * 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_ */