diff options
Diffstat (limited to 'include/asm-sparc64/oplib.h')
| -rw-r--r-- | include/asm-sparc64/oplib.h | 323 |
1 files changed, 1 insertions, 322 deletions
diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h index 55c5bb27e4d..d93e44e6351 100644 --- a/include/asm-sparc64/oplib.h +++ b/include/asm-sparc64/oplib.h @@ -1,322 +1 @@ -/* oplib.h: Describes the interface and available routines in the - * Linux Prom library. - * - * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) - * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#ifndef __SPARC64_OPLIB_H -#define __SPARC64_OPLIB_H - -#include <asm/openprom.h> - -/* OBP version string. */ -extern char prom_version[]; - -/* Root node of the prom device tree, this stays constant after - * initialization is complete. - */ -extern int prom_root_node; - -/* PROM stdin and stdout */ -extern int prom_stdin, prom_stdout; - -/* /chosen node of the prom device tree, this stays constant after - * initialization is complete. - */ -extern int prom_chosen_node; - -/* Helper values and strings in arch/sparc64/kernel/head.S */ -extern const char prom_peer_name[]; -extern const char prom_compatible_name[]; -extern const char prom_root_compatible[]; -extern const char prom_cpu_compatible[]; -extern const char prom_finddev_name[]; -extern const char prom_chosen_path[]; -extern const char prom_cpu_path[]; -extern const char prom_getprop_name[]; -extern const char prom_mmu_name[]; -extern const char prom_callmethod_name[]; -extern const char prom_translate_name[]; -extern const char prom_map_name[]; -extern const char prom_unmap_name[]; -extern int prom_mmu_ihandle_cache; -extern unsigned int prom_boot_mapped_pc; -extern unsigned int prom_boot_mapping_mode; -extern unsigned long prom_boot_mapping_phys_high, prom_boot_mapping_phys_low; - -struct linux_mlist_p1275 { - struct linux_mlist_p1275 *theres_more; - unsigned long start_adr; - unsigned long num_bytes; -}; - -struct linux_mem_p1275 { - struct linux_mlist_p1275 **p1275_totphys; - struct linux_mlist_p1275 **p1275_prommap; - struct linux_mlist_p1275 **p1275_available; /* What we can use */ -}; - -/* The functions... */ - -/* You must call prom_init() before using any of the library services, - * preferably as early as possible. Pass it the romvec pointer. - */ -extern void prom_init(void *cif_handler, void *cif_stack); - -/* Boot argument acquisition, returns the boot command line string. */ -extern char *prom_getbootargs(void); - -/* Device utilities. */ - -/* Device operations. */ - -/* Open the device described by the passed string. Note, that the format - * of the string is different on V0 vs. V2->higher proms. The caller must - * know what he/she is doing! Returns the device descriptor, an int. - */ -extern int prom_devopen(const char *device_string); - -/* Close a previously opened device described by the passed integer - * descriptor. - */ -extern int prom_devclose(int device_handle); - -/* Do a seek operation on the device described by the passed integer - * descriptor. - */ -extern void prom_seek(int device_handle, unsigned int seek_hival, - unsigned int seek_lowval); - -/* Miscellaneous routines, don't really fit in any category per se. */ - -/* Reboot the machine with the command line passed. */ -extern void prom_reboot(const char *boot_command); - -/* Evaluate the forth string passed. */ -extern void prom_feval(const char *forth_string); - -/* Enter the prom, with possibility of continuation with the 'go' - * command in newer proms. - */ -extern void prom_cmdline(void); - -/* Enter the prom, with no chance of continuation for the stand-alone - * which calls this. - */ -extern void prom_halt(void) __attribute__ ((noreturn)); - -/* Halt and power-off the machine. */ -extern void prom_halt_power_off(void) __attribute__ ((noreturn)); - -/* Set the PROM 'sync' callback function to the passed function pointer. - * When the user gives the 'sync' command at the prom prompt while the - * kernel is still active, the prom will call this routine. - * - */ -typedef int (*callback_func_t)(long *cmd); -extern void prom_setcallback(callback_func_t func_ptr); - -/* Acquire the IDPROM of the root node in the prom device tree. This - * gets passed a buffer where you would like it stuffed. The return value - * is the format type of this idprom or 0xff on error. - */ -extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); - -/* Character operations to/from the console.... */ - -/* Non-blocking get character from console. */ -extern int prom_nbgetchar(void); - -/* Non-blocking put character to console. */ -extern int prom_nbputchar(char character); - -/* Blocking get character from console. */ -extern char prom_getchar(void); - -/* Blocking put character to console. */ -extern void prom_putchar(char character); - -/* Prom's internal routines, don't use in kernel/boot code. */ -extern void prom_printf(const char *fmt, ...); -extern void prom_write(const char *buf, unsigned int len); - -/* Multiprocessor operations... */ -#ifdef CONFIG_SMP -/* Start the CPU with the given device tree node at the passed program - * counter with the given arg passed in via register %o0. - */ -extern void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg); - -/* Start the CPU with the given cpu ID at the passed program - * counter with the given arg passed in via register %o0. - */ -extern void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg); - -/* Stop the CPU with the given cpu ID. */ -extern void prom_stopcpu_cpuid(int cpuid); - -/* Stop the current CPU. */ -extern void prom_stopself(void); - -/* Idle the current CPU. */ -extern void prom_idleself(void); - -/* Resume the CPU with the passed device tree node. */ -extern void prom_resumecpu(int cpunode); -#endif - -/* Power management interfaces. */ - -/* Put the current CPU to sleep. */ -extern void prom_sleepself(void); - -/* Put the entire system to sleep. */ -extern int prom_sleepsystem(void); - -/* Initiate a wakeup event. */ -extern int prom_wakeupsystem(void); - -/* MMU and memory related OBP interfaces. */ - -/* Get unique string identifying SIMM at given physical address. */ -extern int prom_getunumber(int syndrome_code, - unsigned long phys_addr, - char *buf, int buflen); - -/* Retain physical memory to the caller across soft resets. */ -extern unsigned long prom_retain(const char *name, - unsigned long pa_low, unsigned long pa_high, - long size, long align); - -/* Load explicit I/D TLB entries into the calling processor. */ -extern long prom_itlb_load(unsigned long index, - unsigned long tte_data, - unsigned long vaddr); - -extern long prom_dtlb_load(unsigned long index, - unsigned long tte_data, - unsigned long vaddr); - -/* Map/Unmap client program address ranges. First the format of - * the mapping mode argument. - */ -#define PROM_MAP_WRITE 0x0001 /* Writable */ -#define PROM_MAP_READ 0x0002 /* Readable - sw */ -#define PROM_MAP_EXEC 0x0004 /* Executable - sw */ -#define PROM_MAP_LOCKED 0x0010 /* Locked, use i/dtlb load calls for this instead */ -#define PROM_MAP_CACHED 0x0020 /* Cacheable in both L1 and L2 caches */ -#define PROM_MAP_SE 0x0040 /* Side-Effects */ -#define PROM_MAP_GLOB 0x0080 /* Global */ -#define PROM_MAP_IE 0x0100 /* Invert-Endianness */ -#define PROM_MAP_DEFAULT (PROM_MAP_WRITE | PROM_MAP_READ | PROM_MAP_EXEC | PROM_MAP_CACHED) - -extern int prom_map(int mode, unsigned long size, - unsigned long vaddr, unsigned long paddr); -extern void prom_unmap(unsigned long size, unsigned long vaddr); - - -/* PROM device tree traversal functions... */ - -#ifdef PROMLIB_INTERNAL - -/* Internal version of prom_getchild. */ -extern int __prom_getchild(int parent_node); - -/* Internal version of prom_getsibling. */ -extern int __prom_getsibling(int node); - -#endif - -/* Get the child node of the given node, or zero if no child exists. */ -extern int prom_getchild(int parent_node); - -/* Get the next sibling node of the given node, or zero if no further - * siblings exist. - */ -extern int prom_getsibling(int node); - -/* Get the length, at the passed node, of the given property type. - * Returns -1 on error (ie. no such property at this node). - */ -extern int prom_getproplen(int thisnode, const char *property); - -/* Fetch the requested property using the given buffer. Returns - * the number of bytes the prom put into your buffer or -1 on error. - */ -extern int prom_getproperty(int thisnode, const char *property, - char *prop_buffer, int propbuf_size); - -/* Acquire an integer property. */ -extern int prom_getint(int node, const char *property); - -/* Acquire an integer property, with a default value. */ -extern int prom_getintdefault(int node, const char *property, int defval); - -/* Acquire a boolean property, 0=FALSE 1=TRUE. */ -extern int prom_getbool(int node, const char *prop); - -/* Acquire a string property, null string on error. */ -extern void prom_getstring(int node, const char *prop, char *buf, int bufsize); - -/* Does the passed node have the given "name"? YES=1 NO=0 */ -extern int prom_nodematch(int thisnode, const char *name); - -/* Search all siblings starting at the passed node for "name" matching - * the given string. Returns the node on success, zero on failure. - */ -extern int prom_searchsiblings(int node_start, const char *name); - -/* Return the first property type, as a string, for the given node. - * Returns a null string on error. Buffer should be at least 32B long. - */ -extern char *prom_firstprop(int node, char *buffer); - -/* Returns the next property after the passed property for the given - * node. Returns null string on failure. Buffer should be at least 32B long. - */ -extern char *prom_nextprop(int node, const char *prev_property, char *buffer); - -/* Returns 1 if the specified node has given property. */ -extern int prom_node_has_property(int node, const char *property); - -/* Returns phandle of the path specified */ -extern int prom_finddevice(const char *name); - -/* Set the indicated property at the given node with the passed value. - * Returns the number of bytes of your value that the prom took. - */ -extern int prom_setprop(int node, const char *prop_name, char *prop_value, - int value_size); - -extern int prom_pathtoinode(const char *path); -extern int prom_inst2pkg(int); -extern int prom_service_exists(const char *service_name); -extern void prom_sun4v_guest_soft_state(void); - -extern int prom_ihandle2path(int handle, char *buffer, int bufsize); - -/* Client interface level routines. */ -extern long p1275_cmd(const char *, long, ...); - -#if 0 -#define P1275_SIZE(x) ((((long)((x) / 32)) << 32) | (x)) -#else -#define P1275_SIZE(x) x -#endif - -/* We support at most 16 input and 1 output argument */ -#define P1275_ARG_NUMBER 0 -#define P1275_ARG_IN_STRING 1 -#define P1275_ARG_OUT_BUF 2 -#define P1275_ARG_OUT_32B 3 -#define P1275_ARG_IN_FUNCTION 4 -#define P1275_ARG_IN_BUF 5 -#define P1275_ARG_IN_64B 6 - -#define P1275_IN(x) ((x) & 0xf) -#define P1275_OUT(x) (((x) << 4) & 0xf0) -#define P1275_INOUT(i,o) (P1275_IN(i)|P1275_OUT(o)) -#define P1275_ARG(n,x) ((x) << ((n)*3 + 8)) - -#endif /* !(__SPARC64_OPLIB_H) */ +#include <asm-sparc/oplib.h> |