text: /*
   * 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) 1995, 1996, 2003 by Ralf Baechle
   * Copyright (C) 1995, 1996 Andreas Busse
   * Copyright (C) 1995, 1996 Stoned Elipot
   * Copyright (C) 1995, 1996 Paul M. Antoine.
   * Copyright (C) 2009       Zhang Le
   */
  #ifndef _ASM_BOOTINFO_H
  #define _ASM_BOOTINFO_H
  
  #include <linux/types.h>
  #include <asm/setup.h>
  
  /*
   * The MACH_ IDs are sort of equivalent to PCI product IDs.  As such the
   * numbers do not necessarily reflect technical relations or similarities
   * between systems.
   */
  
  /*
   * Valid machtype values for group unknown
   */
  #define  MACH_UNKNOWN		0	/* whatever...			*/
  
  /*
   * Valid machtype for group DEC
   */
  #define  MACH_DSUNKNOWN		0
  #define  MACH_DS23100		1	/* DECstation 2100 or 3100	*/
  #define  MACH_DS5100		2	/* DECsystem 5100		*/
  #define  MACH_DS5000_200	3	/* DECstation 5000/200		*/
  #define  MACH_DS5000_1XX	4	/* DECstation 5000/120, 125, 133, 150 */
  #define  MACH_DS5000_XX		5	/* DECstation 5000/20, 25, 33, 50 */
  #define  MACH_DS5000_2X0	6	/* DECstation 5000/240, 260	*/
  #define  MACH_DS5400		7	/* DECsystem 5400		*/
  #define  MACH_DS5500		8	/* DECsystem 5500		*/
  #define  MACH_DS5800		9	/* DECsystem 5800		*/
  #define  MACH_DS5900		10	/* DECsystem 5900		*/
  
  /*
   * Valid machtype for group PMC-MSP
   */
  #define MACH_MSP4200_EVAL       0	/* PMC-Sierra MSP4200 Evaluation */
  #define MACH_MSP4200_GW         1	/* PMC-Sierra MSP4200 Gateway demo */
  #define MACH_MSP4200_FPGA       2	/* PMC-Sierra MSP4200 Emulation */
  #define MACH_MSP7120_EVAL       3	/* PMC-Sierra MSP7120 Evaluation */
  #define MACH_MSP7120_GW         4	/* PMC-Sierra MSP7120 Residential GW */
  #define MACH_MSP7120_FPGA       5	/* PMC-Sierra MSP7120 Emulation */
  #define MACH_MSP_OTHER        255	/* PMC-Sierra unknown board type */
  
  /*
   * Valid machtype for group Mikrotik
   */
  #define	MACH_MIKROTIK_RB532	0	/* Mikrotik RouterBoard 532 	*/
  #define MACH_MIKROTIK_RB532A	1	/* Mikrotik RouterBoard 532A 	*/
  
  /*
   * Valid machtype for Loongson family
   */
  #define MACH_LOONGSON_UNKNOWN  0
  #define MACH_LEMOTE_FL2E       1
  #define MACH_LEMOTE_FL2F       2
  #define MACH_LEMOTE_ML2F7      3
  #define MACH_LEMOTE_YL2F89     4
  #define MACH_DEXXON_GDIUM2F10  5
  #define MACH_LEMOTE_NAS        6
  #define MACH_LEMOTE_LL2F       7
  #define MACH_LOONGSON_END      8
  
  /*
   * Valid machtype for group INGENIC
   */
  #define  MACH_INGENIC_JZ4730	0	/* JZ4730 SOC		*/
  #define  MACH_INGENIC_JZ4740	1	/* JZ4740 SOC		*/
  
  extern char *system_type;
  const char *get_system_type(void);
  
  extern unsigned long mips_machtype;
  
  #define BOOT_MEM_MAP_MAX	32
  #define BOOT_MEM_RAM		1
  #define BOOT_MEM_ROM_DATA	2
  #define BOOT_MEM_RESERVED	3
  
  /*
   * A memory map that's built upon what was determined
   * or specified on the command line.
   */
  struct boot_mem_map {
  	int nr_map;
  	struct boot_mem_map_entry {
  		phys_t addr;	/* start of memory segment */
  		phys_t size;	/* size of memory segment */
  		long type;		/* type of memory segment */
  	} map[BOOT_MEM_MAP_MAX];
  };
  
  extern struct boot_mem_map boot_mem_map;
  
  extern void add_memory_region(phys_t start, phys_t size, long type);
  
  extern void prom_init(void);
  extern void prom_free_prom_memory(void);
  
  extern void free_init_pages(const char *what,
  			    unsigned long begin, unsigned long end);
  
  /*
   * Initial kernel command line, usually setup by prom_init()
   */
  extern char arcs_cmdline[COMMAND_LINE_SIZE];
  
  /*
   * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware
   */
  extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
  
  /*
   * Platform memory detection hook called by setup_arch
   */
  extern void plat_mem_setup(void);
  
  #ifdef CONFIG_SWIOTLB
  /*
   * Optional platform hook to call swiotlb_setup().
   */
  extern void plat_swiotlb_setup(void);
  
  #else
  
  static inline void plat_swiotlb_setup(void) {}
  
  #endif /* CONFIG_SWIOTLB */
  
  #endif /* _ASM_BOOTINFO_H */
  