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Diffstat (limited to 'arch/sparc64/prom/p1275.c')
-rw-r--r--arch/sparc64/prom/p1275.c151
1 files changed, 0 insertions, 151 deletions
diff --git a/arch/sparc64/prom/p1275.c b/arch/sparc64/prom/p1275.c
deleted file mode 100644
index 4b7c937bba61..000000000000
--- a/arch/sparc64/prom/p1275.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * p1275.c: Sun IEEE 1275 PROM low level interface routines
- *
- * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/string.h>
-#include <linux/spinlock.h>
-
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-#include <asm/system.h>
-#include <asm/spitfire.h>
-#include <asm/pstate.h>
-#include <asm/ldc.h>
-
-struct {
- long prom_callback; /* 0x00 */
- void (*prom_cif_handler)(long *); /* 0x08 */
- unsigned long prom_cif_stack; /* 0x10 */
- unsigned long prom_args [23]; /* 0x18 */
- char prom_buffer [3000];
-} p1275buf;
-
-extern void prom_world(int);
-
-extern void prom_cif_interface(void);
-extern void prom_cif_callback(void);
-
-/*
- * This provides SMP safety on the p1275buf. prom_callback() drops this lock
- * to allow recursuve acquisition.
- */
-DEFINE_SPINLOCK(prom_entry_lock);
-
-long p1275_cmd(const char *service, long fmt, ...)
-{
- char *p, *q;
- unsigned long flags;
- int nargs, nrets, i;
- va_list list;
- long attrs, x;
-
- p = p1275buf.prom_buffer;
-
- spin_lock_irqsave(&prom_entry_lock, flags);
-
- p1275buf.prom_args[0] = (unsigned long)p; /* service */
- strcpy (p, service);
- p = (char *)(((long)(strchr (p, 0) + 8)) & ~7);
- p1275buf.prom_args[1] = nargs = (fmt & 0x0f); /* nargs */
- p1275buf.prom_args[2] = nrets = ((fmt & 0xf0) >> 4); /* nrets */
- attrs = fmt >> 8;
- va_start(list, fmt);
- for (i = 0; i < nargs; i++, attrs >>= 3) {
- switch (attrs & 0x7) {
- case P1275_ARG_NUMBER:
- p1275buf.prom_args[i + 3] =
- (unsigned)va_arg(list, long);
- break;
- case P1275_ARG_IN_64B:
- p1275buf.prom_args[i + 3] =
- va_arg(list, unsigned long);
- break;
- case P1275_ARG_IN_STRING:
- strcpy (p, va_arg(list, char *));
- p1275buf.prom_args[i + 3] = (unsigned long)p;
- p = (char *)(((long)(strchr (p, 0) + 8)) & ~7);
- break;
- case P1275_ARG_OUT_BUF:
- (void) va_arg(list, char *);
- p1275buf.prom_args[i + 3] = (unsigned long)p;
- x = va_arg(list, long);
- i++; attrs >>= 3;
- p = (char *)(((long)(p + (int)x + 7)) & ~7);
- p1275buf.prom_args[i + 3] = x;
- break;
- case P1275_ARG_IN_BUF:
- q = va_arg(list, char *);
- p1275buf.prom_args[i + 3] = (unsigned long)p;
- x = va_arg(list, long);
- i++; attrs >>= 3;
- memcpy (p, q, (int)x);
- p = (char *)(((long)(p + (int)x + 7)) & ~7);
- p1275buf.prom_args[i + 3] = x;
- break;
- case P1275_ARG_OUT_32B:
- (void) va_arg(list, char *);
- p1275buf.prom_args[i + 3] = (unsigned long)p;
- p += 32;
- break;
- case P1275_ARG_IN_FUNCTION:
- p1275buf.prom_args[i + 3] =
- (unsigned long)prom_cif_callback;
- p1275buf.prom_callback = va_arg(list, long);
- break;
- }
- }
- va_end(list);
-
- prom_world(1);
- prom_cif_interface();
- prom_world(0);
-
- attrs = fmt >> 8;
- va_start(list, fmt);
- for (i = 0; i < nargs; i++, attrs >>= 3) {
- switch (attrs & 0x7) {
- case P1275_ARG_NUMBER:
- (void) va_arg(list, long);
- break;
- case P1275_ARG_IN_STRING:
- (void) va_arg(list, char *);
- break;
- case P1275_ARG_IN_FUNCTION:
- (void) va_arg(list, long);
- break;
- case P1275_ARG_IN_BUF:
- (void) va_arg(list, char *);
- (void) va_arg(list, long);
- i++; attrs >>= 3;
- break;
- case P1275_ARG_OUT_BUF:
- p = va_arg(list, char *);
- x = va_arg(list, long);
- memcpy (p, (char *)(p1275buf.prom_args[i + 3]), (int)x);
- i++; attrs >>= 3;
- break;
- case P1275_ARG_OUT_32B:
- p = va_arg(list, char *);
- memcpy (p, (char *)(p1275buf.prom_args[i + 3]), 32);
- break;
- }
- }
- va_end(list);
- x = p1275buf.prom_args [nargs + 3];
-
- spin_unlock_irqrestore(&prom_entry_lock, flags);
-
- return x;
-}
-
-void prom_cif_init(void *cif_handler, void *cif_stack)
-{
- p1275buf.prom_cif_handler = (void (*)(long *))cif_handler;
- p1275buf.prom_cif_stack = (unsigned long)cif_stack;
-}