183 lines
5.1 KiB
C
183 lines
5.1 KiB
C
/*
|
|
* 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) {}
|
|
|
|
#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 */
|