| /* |
| * 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 loongson2ef_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_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 prom_cleanup(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 */ |