Release 4.14 arch/mips/include/asm/bootinfo.h
/*
* 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
*/
enum loongson_machine_type {
MACH_LOONGSON_UNKNOWN,
MACH_LEMOTE_FL2E,
MACH_LEMOTE_FL2F,
MACH_LEMOTE_ML2F7,
MACH_LEMOTE_YL2F89,
MACH_DEXXON_GDIUM2F10,
MACH_LEMOTE_NAS,
MACH_LEMOTE_LL2F,
MACH_LOONGSON_GENERIC,
MACH_LOONGSON_END
};
/*
* 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
#define BOOT_MEM_INIT_RAM 4
/*
* 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_addr_t addr; /* start of memory segment */
phys_addr_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_addr_t start, phys_addr_t size, long type);
extern void detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_addr_t sz_max);
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);
extern void (*free_init_pages_eva)(void *begin, void *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;
#ifdef CONFIG_USE_OF
extern unsigned long fw_passed_dtb;
#endif
/*
* 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) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
#endif /* CONFIG_SWIOTLB */
#ifdef CONFIG_USE_OF
/**
* plat_get_fdt() - Return a pointer to the platform's device tree blob
*
* This function provides a platform independent API to get a pointer to the
* flattened device tree blob. The interface between bootloader and kernel
* is not consistent across platforms so it is necessary to provide this
* API such that common startup code can locate the FDT.
*
* This is used by the KASLR code to get command line arguments and random
* seed from the device tree. Any platform wishing to use KASLR should
* provide this API and select SYS_SUPPORTS_RELOCATABLE.
*
* Return: Pointer to the flattened device tree blob.
*/
extern void *plat_get_fdt(void);
#ifdef CONFIG_RELOCATABLE
/**
* plat_fdt_relocated() - Update platform's information about relocated dtb
*
* This function provides a platform-independent API to set platform's
* information about relocated DTB if it needs to be moved due to kernel
* relocation occurring at boot.
*/
void plat_fdt_relocated(void *new_location);
#endif /* CONFIG_RELOCATABLE */
#endif /* CONFIG_USE_OF */
#endif /* _ASM_BOOTINFO_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 60 | 14.93% | 2 | 6.45% |
| Linus Torvalds (pre-git) | 56 | 13.93% | 3 | 9.68% |
| Ralf Bächle | 53 | 13.18% | 6 | 19.35% |
| Marc St-Jean | 36 | 8.96% | 1 | 3.23% |
| Andrew Morton | 33 | 8.21% | 2 | 6.45% |
| David Daney | 28 | 6.97% | 2 | 6.45% |
| Atsushi Nemoto | 25 | 6.22% | 1 | 3.23% |
| Markos Chandras | 16 | 3.98% | 1 | 3.23% |
| Huacai Chen | 15 | 3.73% | 2 | 6.45% |
| Matt Redfearn | 15 | 3.73% | 1 | 3.23% |
| Marcin Nowakowski | 15 | 3.73% | 1 | 3.23% |
| Wu Zhangjin | 11 | 2.74% | 3 | 9.68% |
| John Crispin | 11 | 2.74% | 1 | 3.23% |
| Lars-Peter Clausen | 11 | 2.74% | 1 | 3.23% |
| Jonas Gorski | 10 | 2.49% | 1 | 3.23% |
| Thomas Bogendoerfer | 5 | 1.24% | 1 | 3.23% |
| Robert P. J. Day | 1 | 0.25% | 1 | 3.23% |
| Dmitri Vorobiev | 1 | 0.25% | 1 | 3.23% |
| Total | 402 | 100.00% | 31 | 100.00% |
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