Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 252 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h
new file mode 100644
index 000000000..a67abebd4
--- /dev/null
+++ b/arch/sparc/include/asm/oplib_64.h
@@ -0,0 +1,252 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* 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 phandle prom_root_node;
+
+/* PROM stdout */
+extern int prom_stdout;
+
+/* /chosen node of the prom device tree, this stays constant after
+ * initialization is complete.
+ */
+extern phandle 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.
+ */
+void prom_init(void *cif_handler);
+void prom_init_report(void);
+
+/* Boot argument acquisition, returns the boot command line string. */
+char *prom_getbootargs(void);
+
+/* Miscellaneous routines, don't really fit in any category per se. */
+
+/* Reboot the machine with the command line passed. */
+void prom_reboot(const char *boot_command);
+
+/* Evaluate the forth string passed. */
+void prom_feval(const char *forth_string);
+
+/* Enter the prom, with possibility of continuation with the 'go'
+ * command in newer proms.
+ */
+void prom_cmdline(void);
+
+/* Enter the prom, with no chance of continuation for the stand-alone
+ * which calls this.
+ */
+void prom_halt(void) __attribute__ ((noreturn));
+
+/* Halt and power-off the machine. */
+void prom_halt_power_off(void) __attribute__ ((noreturn));
+
+/* 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.
+ */
+unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
+
+/* Write a buffer of characters to the console. */
+void prom_console_write_buf(const char *buf, int len);
+
+/* Prom's internal routines, don't use in kernel/boot code. */
+__printf(1, 2) void prom_printf(const char *fmt, ...);
+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.
+ */
+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.
+ */
+void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg);
+
+/* Stop the CPU with the given cpu ID.  */
+void prom_stopcpu_cpuid(int cpuid);
+
+/* Stop the current CPU. */
+void prom_stopself(void);
+
+/* Idle the current CPU. */
+void prom_idleself(void);
+
+/* Resume the CPU with the passed device tree node. */
+void prom_resumecpu(int cpunode);
+#endif
+
+/* Power management interfaces. */
+
+/* Put the current CPU to sleep. */
+void prom_sleepself(void);
+
+/* Put the entire system to sleep. */
+int prom_sleepsystem(void);
+
+/* Initiate a wakeup event. */
+int prom_wakeupsystem(void);
+
+/* MMU and memory related OBP interfaces. */
+
+/* Get unique string identifying SIMM at given physical address. */
+int prom_getunumber(int syndrome_code,
+		    unsigned long phys_addr,
+		    char *buf, int buflen);
+
+/* Retain physical memory to the caller across soft resets. */
+int prom_retain(const char *name, unsigned long size,
+		unsigned long align, unsigned long *paddr);
+
+/* Load explicit I/D TLB entries into the calling processor. */
+long prom_itlb_load(unsigned long index,
+		    unsigned long tte_data,
+		    unsigned long vaddr);
+
+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)
+
+int prom_map(int mode, unsigned long size,
+	     unsigned long vaddr, unsigned long paddr);
+void prom_unmap(unsigned long size, unsigned long vaddr);
+
+
+/* PROM device tree traversal functions... */
+
+/* Get the child node of the given node, or zero if no child exists. */
+phandle prom_getchild(phandle parent_node);
+
+/* Get the next sibling node of the given node, or zero if no further
+ * siblings exist.
+ */
+phandle prom_getsibling(phandle node);
+
+/* Get the length, at the passed node, of the given property type.
+ * Returns -1 on error (ie. no such property at this node).
+ */
+int prom_getproplen(phandle 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.
+ */
+int prom_getproperty(phandle thisnode, const char *property,
+		     char *prop_buffer, int propbuf_size);
+
+/* Acquire an integer property. */
+int prom_getint(phandle node, const char *property);
+
+/* Acquire an integer property, with a default value. */
+int prom_getintdefault(phandle node, const char *property, int defval);
+
+/* Acquire a boolean property, 0=FALSE 1=TRUE. */
+int prom_getbool(phandle node, const char *prop);
+
+/* Acquire a string property, null string on error. */
+void prom_getstring(phandle node, const char *prop, char *buf,
+		    int bufsize);
+
+/* Does the passed node have the given "name"? YES=1 NO=0 */
+int prom_nodematch(phandle 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.
+ */
+phandle prom_searchsiblings(phandle 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.
+ */
+char *prom_firstprop(phandle 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.
+ */
+char *prom_nextprop(phandle node, const char *prev_property, char *buf);
+
+/* Returns 1 if the specified node has given property. */
+int prom_node_has_property(phandle node, const char *property);
+
+/* Returns phandle of the path specified */
+phandle 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.
+ */
+int prom_setprop(phandle node, const char *prop_name, char *prop_value,
+		 int value_size);
+
+phandle prom_inst2pkg(int);
+void prom_sun4v_guest_soft_state(void);
+
+int prom_ihandle2path(int handle, char *buffer, int bufsize);
+
+/* Client interface level routines. */
+void p1275_cmd_direct(unsigned long *);
+
+#endif /* !(__SPARC64_OPLIB_H) */