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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * oplib.h:  Describes the interface and available routines in the
 *           Linux Prom library.
 *
 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
 */

#ifndef __SPARC_OPLIB_H
#define __SPARC_OPLIB_H

#include <asm/openprom.h>

/* The master romvec pointer... */
extern struct linux_romvec *romvec;

/* Enumeration to describe the prom major version we have detected. */
enum prom_major_version {
	PROM_V0,      /* Original sun4c V0 prom */
	PROM_V2,      /* sun4c and early sun4m V2 prom */
	PROM_V3,      /* sun4m and later, up to sun4d/sun4e machines V3 */
	PROM_P1275,   /* IEEE compliant ISA based Sun PROM, only sun4u */
};

extern enum prom_major_version prom_vers;
/* Revision, and firmware revision. */
extern unsigned int prom_rev, prom_prev;

/* Root node of the prom device tree, this stays constant after
 * initialization is complete.
 */
extern int prom_root_node;

/* Pointer to prom structure containing the device tree traversal
 * and usage utility functions.  Only prom-lib should use these,
 * users use the interface defined by the library only!
 */
extern struct linux_nodeops *prom_nodeops;

/* 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(struct linux_romvec *rom_ptr);

/* Boot argument acquisition, returns the boot command line string. */
extern char *prom_getbootargs(void);

/* Device utilities. */

/* Map and unmap devices in IO space at virtual addresses. Note that the
 * virtual address you pass is a request and the prom may put your mappings
 * somewhere else, so check your return value as that is where your new
 * mappings really are!
 *
 * Another note, these are only available on V2 or higher proms!
 */
extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes);
extern void prom_unmapio(char *virt_addr, unsigned int num_bytes);

/* 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(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);

/* Machine memory configuration routine. */

/* This function returns a V0 format memory descriptor table, it has three
 * entries.  One for the total amount of physical ram on the machine, one
 * for the amount of physical ram available, and one describing the virtual
 * areas which are allocated by the prom.  So, in a sense the physical
 * available is a calculation of the total physical minus the physical mapped
 * by the prom with virtual mappings.
 *
 * These lists are returned pre-sorted, this should make your life easier
 * since the prom itself is way too lazy to do such nice things.
 */
extern struct linux_mem_v0 *prom_meminfo(void);

/* Miscellaneous routines, don't really fit in any category per se. */

/* Reboot the machine with the command line passed. */
extern void prom_reboot(char *boot_command);

/* Evaluate the forth string passed. */
extern void prom_feval(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);

/* 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.
 *
 * XXX The arguments are different on V0 vs. V2->higher proms, grrr! XXX
 */
typedef void (*sync_func_t)(void);
extern void prom_setsync(sync_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);

/* Get the prom major version. */
extern int prom_version(void);

/* Get the prom plugin revision. */
extern int prom_getrev(void);

/* Get the prom firmware revision. */
extern int prom_getprev(void);

/* 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 printf routine, don't use in kernel/boot code. */
void prom_printf(char *fmt, ...);

/* Query for input device type */

enum prom_input_device {
	PROMDEV_IKBD,			/* input from keyboard */
	PROMDEV_ITTYA,			/* input from ttya */
	PROMDEV_ITTYB,			/* input from ttyb */
	PROMDEV_I_UNK,
};

extern enum prom_input_device prom_query_input_device(void);

/* Query for output device type */

enum prom_output_device {
	PROMDEV_OSCREEN,		/* to screen */
	PROMDEV_OTTYA,			/* to ttya */
	PROMDEV_OTTYB,			/* to ttyb */
	PROMDEV_O_UNK,
};

extern enum prom_output_device prom_query_output_device(void);

/* Multiprocessor operations... */

/* Start the CPU with the given device tree node, context table, and context
 * at the passed program counter.
 */
extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table,
			 int context, char *program_counter);

/* Stop the CPU with the passed device tree node. */
extern int prom_stopcpu(int cpunode);

/* Idle the CPU with the passed device tree node. */
extern int prom_idlecpu(int cpunode);

/* Re-Start the CPU with the passed device tree node. */
extern int prom_restartcpu(int cpunode);

/* PROM memory allocation facilities... */

/* Allocated at possibly the given virtual address a chunk of the
 * indicated size.
 */
extern char *prom_alloc(char *virt_hint, unsigned int size);

/* Free a previously allocated chunk. */
extern void prom_free(char *virt_addr, unsigned int size);

/* Sun4/sun4c specific memory-management startup hook. */

/* Map the passed segment in the given context at the passed
 * virtual address.
 */
extern void prom_putsegment(int context, unsigned long virt_addr,
			    int physical_segment);

/* PROM device tree traversal functions... */

/* 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, 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, char *property,
			    char *prop_buffer, int propbuf_size);

/* Acquire an integer property. */
extern int prom_getint(int node, char *property);

/* Acquire an integer property, with a default value. */
extern int prom_getintdefault(int node, char *property, int defval);

/* Acquire a boolean property, 0=FALSE 1=TRUE. */
extern int prom_getbool(int node, char *prop);

/* Acquire a string property, null string on error. */
extern void prom_getstring(int node, char *prop, char *buf, int bufsize);

/* Does the passed node have the given "name"? YES=1 NO=0 */
extern int prom_nodematch(int thisnode, 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, char *name);

/* Return the first property type, as a string, for the given node.
 * Returns a null string on error.
 */
extern char *prom_firstprop(int node);

/* Returns the next property after the passed property for the given
 * node.  Returns null string on failure.
 */
extern char *prom_nextprop(int node, char *prev_property);

/* Returns 1 if the specified node has given property. */
extern int prom_node_has_property(int node, char *property);

/* 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, char *prop_name, char *prop_value,
			int value_size);

extern int prom_pathtoinode(char *path);
extern int prom_inst2pkg(int);

/* Dorking with Bus ranges... */

/* Adjust reg values with the passed ranges. */
extern void prom_adjust_regs(struct linux_prom_registers *regp, int nregs,
			     struct linux_prom_ranges *rangep, int nranges);

/* Adjust child ranges with the passed parent ranges. */
extern void prom_adjust_ranges(struct linux_prom_ranges *cranges, int ncranges,
			       struct linux_prom_ranges *pranges, int npranges);

/* Apply promlib probed OBIO ranges to registers. */
extern void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs);

/* Apply ranges of any prom node (and optionally parent node as well) to registers. */
extern void prom_apply_generic_ranges(int node, int parent,
				      struct linux_prom_registers *sbusregs, int nregs);


#endif /* !(__SPARC_OPLIB_H) */

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Name Type Size Permission Actions
Kbuild File 599 B 0644
MC68328.h File 37.82 KB 0644
MC68EZ328.h File 37.74 KB 0644
MC68VZ328.h File 41.02 KB 0644
a.out-core.h File 1.98 KB 0644
adb_iop.h File 1.09 KB 0644
amigahw.h File 10.49 KB 0644
amigaints.h File 3.5 KB 0644
amigayle.h File 3.19 KB 0644
amipcmcia.h File 2.51 KB 0644
apollohw.h File 2.35 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 211 B 0644
atafd.h File 300 B 0644
atafdreg.h File 2.68 KB 0644
atari_joystick.h File 457 B 0644
atari_stdma.h File 514 B 0644
atari_stram.h File 528 B 0644
atarihw.h File 20.3 KB 0644
atariints.h File 5.56 KB 0644
atarikb.h File 1.4 KB 0644
atomic.h File 4.86 KB 0644
bitops.h File 12.19 KB 0644
blinken.h File 641 B 0644
bootinfo.h File 783 B 0644
bootstd.h File 4.64 KB 0644
bug.h File 659 B 0644
bugs.h File 369 B 0644
bvme6000hw.h File 3.45 KB 0644
cache.h File 296 B 0644
cacheflush.h File 133 B 0644
cacheflush_mm.h File 6.92 KB 0644
cacheflush_no.h File 2.61 KB 0644
checksum.h File 3.4 KB 0644
cmpxchg.h File 3.34 KB 0644
coldfire.h File 1.61 KB 0644
contregs.h File 3.31 KB 0644
current.h File 580 B 0644
delay.h File 3.43 KB 0644
div64.h File 858 B 0644
dma-mapping.h File 291 B 0644
dma.h File 16.65 KB 0644
dsp56k.h File 1.24 KB 0644
dvma.h File 9.67 KB 0644
elf.h File 3.07 KB 0644
entry.h File 5.76 KB 0644
export.h File 74 B 0644
fb.h File 921 B 0644
fbio.h File 9.87 KB 0644
flat.h File 1.02 KB 0644
floppy.h File 5.06 KB 0644
fpu.h File 535 B 0644
ftrace.h File 12 B 0644
gpio.h File 2.64 KB 0644
hardirq.h File 594 B 0644
hash.h File 2.07 KB 0644
hp300hw.h File 186 B 0644
hwtest.h File 467 B 0644
ide.h File 1.67 KB 0644
idprom.h File 725 B 0644
intersil.h File 1.11 KB 0644
io.h File 383 B 0644
io_mm.h File 16.19 KB 0644
io_no.h File 5.26 KB 0644
irq.h File 2.57 KB 0644
irqflags.h File 1.61 KB 0644
kexec.h File 732 B 0644
linkage.h File 1.55 KB 0644
m5206sim.h File 6.4 KB 0644
m520xsim.h File 7.15 KB 0644
m523xsim.h File 7.7 KB 0644
m525xsim.h File 10.57 KB 0644
m5272sim.h File 6.05 KB 0644
m527xsim.h File 13.51 KB 0644
m528xsim.h File 9.37 KB 0644
m52xxacr.h File 3.57 KB 0644
m5307sim.h File 7.52 KB 0644
m53xxacr.h File 3.6 KB 0644
m53xxsim.h File 53.97 KB 0644
m5407sim.h File 6.14 KB 0644
m5441xsim.h File 8.5 KB 0644
m54xxacr.h File 4.82 KB 0644
m54xxgpt.h File 3.66 KB 0644
m54xxpci.h File 6.13 KB 0644
m54xxsim.h File 3.8 KB 0644
mac_asc.h File 520 B 0644
mac_baboon.h File 999 B 0644
mac_iop.h File 5.37 KB 0644
mac_oss.h File 1.83 KB 0644
mac_psc.h File 7.25 KB 0644
mac_via.h File 11.44 KB 0644
machdep.h File 1.34 KB 0644
machines.h File 3.13 KB 0644
machw.h File 588 B 0644
macintosh.h File 2.02 KB 0644
macints.h File 3.28 KB 0644
math-emu.h File 6.74 KB 0644
mc146818rtc.h File 598 B 0644
mcf8390.h File 3.75 KB 0644
mcf_pgalloc.h File 2.37 KB 0644
mcf_pgtable.h File 9.89 KB 0644
mcfclk.h File 1.01 KB 0644
mcfdma.h File 6.51 KB 0644
mcfgpio.h File 8.48 KB 0644
mcfintc.h File 3.09 KB 0644
mcfmmu.h File 3.67 KB 0644
mcfpit.h File 2.22 KB 0644
mcfqspi.h File 1.82 KB 0644
mcfsim.h File 1.5 KB 0644
mcfslt.h File 1.21 KB 0644
mcftimer.h File 2.3 KB 0644
mcfuart.h File 6.91 KB 0644
mcfwdebug.h File 4.99 KB 0644
mmu.h File 243 B 0644
mmu_context.h File 7.2 KB 0644
mmzone.h File 264 B 0644
module.h File 847 B 0644
motorola_pgalloc.h File 2.26 KB 0644
motorola_pgtable.h File 9.2 KB 0644
movs.h File 1.44 KB 0644
mvme147hw.h File 2.81 KB 0644
mvme16xhw.h File 2.16 KB 0644
natfeat.h File 533 B 0644
nettel.h File 2.95 KB 0644
nubus.h File 1.21 KB 0644
openprom.h File 7.98 KB 0644
oplib.h File 9.54 KB 0644
page.h File 1.47 KB 0644
page_mm.h File 4.06 KB 0644
page_no.h File 1.28 KB 0644
page_offset.h File 256 B 0644
parport.h File 837 B 0644
pci.h File 458 B 0644
pgalloc.h File 444 B 0644
pgtable.h File 127 B 0644
pgtable_mm.h File 4.84 KB 0644
pgtable_no.h File 1.57 KB 0644
processor.h File 3.59 KB 0644
ptrace.h File 643 B 0644
q40_master.h File 2.28 KB 0644
q40ints.h File 749 B 0644
quicc_simple.h File 1.79 KB 0644
raw_io.h File 11.41 KB 0644
segment.h File 1.42 KB 0644
serial.h File 1.14 KB 0644
setup.h File 9.25 KB 0644
signal.h File 1.34 KB 0644
smp.h File 32 B 0644
string.h File 1.68 KB 0644
sun3-head.h File 353 B 0644
sun3_pgalloc.h File 2.26 KB 0644
sun3_pgtable.h File 7.65 KB 0644
sun3ints.h File 989 B 0644
sun3mmu.h File 4.91 KB 0644
sun3x.h File 868 B 0644
sun3xflop.h File 5.62 KB 0644
sun3xprom.h File 1.31 KB 0644
switch_to.h File 1.51 KB 0644
thread_info.h File 2.02 KB 0644
timex.h File 974 B 0644
tlb.h File 486 B 0644
tlbflush.h File 5.95 KB 0644
traps.h File 8.33 KB 0644
uaccess.h File 152 B 0644
uaccess_mm.h File 10.31 KB 0644
uaccess_no.h File 3.69 KB 0644
ucontext.h File 570 B 0644
unaligned.h File 600 B 0644
unistd.h File 952 B 0644
user.h File 3.78 KB 0644
vga.h File 651 B 0644
virtconvert.h File 947 B 0644
zorro.h File 1.17 KB 0644