Initial import

1 files changed, 82 insertions, 0 deletions

diff --git a/arch/mips/include/asm/sgialib.h b/arch/mips/include/asm/sgialib.h
new file mode 100644
index 000000000..195db5045
--- /dev/null
+++ b/arch/mips/include/asm/sgialib.h
@@ -0,0 +1,82 @@
+/*
+ * 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.
+ *
+ * SGI ARCS firmware interface library for the Linux kernel.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2001, 2002 Ralf Baechle (ralf@gnu.org)
+ */
+#ifndef _ASM_SGIALIB_H
+#define _ASM_SGIALIB_H
+
+#include <linux/compiler.h>
+#include <asm/sgiarcs.h>
+
+extern struct linux_romvec *romvec;
+extern int prom_argc;
+
+extern LONG *_prom_argv, *_prom_envp;
+
+/* A 32-bit ARC PROM pass arguments and environment as 32-bit pointer.
+   These macros take care of sign extension.  */
+#define prom_argv(index) ((char *) (long) _prom_argv[(index)])
+#define prom_argc(index) ((char *) (long) _prom_argc[(index)])
+
+extern int prom_flags;
+
+#define PROM_FLAG_ARCS			1
+#define PROM_FLAG_USE_AS_CONSOLE	2
+#define PROM_FLAG_DONT_FREE_TEMP	4
+
+/* Simple char-by-char console I/O. */
+extern void prom_putchar(char c);
+extern char prom_getchar(void);
+
+/* Get next memory descriptor after CURR, returns first descriptor
+ * in chain is CURR is NULL.
+ */
+extern struct linux_mdesc *prom_getmdesc(struct linux_mdesc *curr);
+#define PROM_NULL_MDESC	  ((struct linux_mdesc *) 0)
+
+/* Called by prom_init to setup the physical memory pmemblock
+ * array.
+ */
+extern void prom_meminit(void);
+
+/* PROM device tree library routines. */
+#define PROM_NULL_COMPONENT ((pcomponent *) 0)
+
+/* Get sibling component of THIS. */
+extern pcomponent *ArcGetPeer(pcomponent *this);
+
+/* Get child component of THIS. */
+extern pcomponent *ArcGetChild(pcomponent *this);
+
+/* This is called at prom_init time to identify the
+ * ARC architecture we are running on
+ */
+extern void prom_identify_arch(void);
+
+/* Environment variable routines. */
+extern PCHAR ArcGetEnvironmentVariable(PCHAR name);
+extern LONG ArcSetEnvironmentVariable(PCHAR name, PCHAR value);
+
+/* ARCS command line parsing. */
+extern void prom_init_cmdline(void);
+
+/* File operations. */
+extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
+extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
+
+/* Misc. routines. */
+extern VOID ArcHalt(VOID) __noreturn;
+extern VOID ArcPowerDown(VOID) __noreturn;
+extern VOID ArcRestart(VOID) __noreturn;
+extern VOID ArcReboot(VOID) __noreturn;
+extern VOID ArcEnterInteractiveMode(VOID) __noreturn;
+extern VOID ArcFlushAllCaches(VOID);
+extern DISPLAY_STATUS *ArcGetDisplayStatus(ULONG FileID);
+
+#endif /* _ASM_SGIALIB_H */