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/* * 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 */ #define MACH_INGENIC_JZ4770 2 /* JZ4770 SOC */ #define MACH_INGENIC_JZ4780 3 /* JZ4780 SOC */ #define MACH_INGENIC_X1000 4 /* X1000 SOC */ extern char *system_type; const char *get_system_type(void); extern unsigned long mips_machtype; #define BOOT_MEM_RAM 1 #define BOOT_MEM_ROM_DATA 2 #define BOOT_MEM_RESERVED 3 #define BOOT_MEM_INIT_RAM 4 #define BOOT_MEM_NOMAP 5 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 */
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