aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/fw
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/fw')
-rw-r--r--arch/mips/fw/arc/cmdline.c10
-rw-r--r--arch/mips/fw/arc/env.c2
-rw-r--r--arch/mips/fw/arc/file.c5
-rw-r--r--arch/mips/fw/arc/identify.c19
-rw-r--r--arch/mips/fw/arc/init.c10
-rw-r--r--arch/mips/fw/arc/memory.c2
-rw-r--r--arch/mips/fw/arc/misc.c4
-rw-r--r--arch/mips/fw/arc/promlib.c4
-rw-r--r--arch/mips/fw/arc/salone.c2
-rw-r--r--arch/mips/fw/arc/time.c2
-rw-r--r--arch/mips/fw/arc/tree.c2
-rw-r--r--arch/mips/fw/cfe/cfe_api.c188
-rw-r--r--arch/mips/fw/cfe/cfe_api_int.h186
-rw-r--r--arch/mips/fw/lib/Makefile7
-rw-r--r--arch/mips/fw/lib/call_o32.S108
-rw-r--r--arch/mips/fw/lib/cmdline.c101
-rw-r--r--arch/mips/fw/sni/Makefile5
-rw-r--r--arch/mips/fw/sni/sniprom.c152
18 files changed, 553 insertions, 256 deletions
diff --git a/arch/mips/fw/arc/cmdline.c b/arch/mips/fw/arc/cmdline.c
index fd604ef2882..c0122a1dc58 100644
--- a/arch/mips/fw/arc/cmdline.c
+++ b/arch/mips/fw/arc/cmdline.c
@@ -5,8 +5,9 @@
*
* cmdline.c: Kernel command line creation using ARCS argc/argv.
*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
*/
+#include <linux/bug.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
@@ -16,11 +17,6 @@
#undef DEBUG_CMDLINE
-char * __init prom_getcmdline(void)
-{
- return arcs_cmdline;
-}
-
static char *ignored[] = {
"ConsoleIn=",
"ConsoleOut=",
@@ -52,7 +48,7 @@ static char * __init move_firmware_args(char* cp)
strcat(cp, used_arc[i][1]);
cp += strlen(used_arc[i][1]);
/* ... and now the argument */
- s = strstr(prom_argv(actr), "=");
+ s = strchr(prom_argv(actr), '=');
if (s) {
s++;
strcpy(cp, s);
diff --git a/arch/mips/fw/arc/env.c b/arch/mips/fw/arc/env.c
index 6f5dd42b96e..1118a26b32e 100644
--- a/arch/mips/fw/arc/env.c
+++ b/arch/mips/fw/arc/env.c
@@ -5,7 +5,7 @@
*
* env.c: ARCS environment variable routines.
*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
*/
#include <linux/init.h>
#include <linux/kernel.h>
diff --git a/arch/mips/fw/arc/file.c b/arch/mips/fw/arc/file.c
index 30335341b44..49fd3ff13fe 100644
--- a/arch/mips/fw/arc/file.c
+++ b/arch/mips/fw/arc/file.c
@@ -8,14 +8,13 @@
* Copyright (C) 1994, 1995, 1996, 1999 Ralf Baechle
* Copyright (C) 1999 Silicon Graphics, Inc.
*/
-#include <linux/init.h>
#include <asm/fw/arc/types.h>
#include <asm/sgialib.h>
LONG
ArcGetDirectoryEntry(ULONG FileID, struct linux_vdirent *Buffer,
- ULONG N, ULONG *Count)
+ ULONG N, ULONG *Count)
{
return ARC_CALL4(get_vdirent, FileID, Buffer, N, Count);
}
@@ -69,7 +68,7 @@ ArcGetFileInformation(ULONG FileID, struct linux_finfo *Information)
}
LONG ArcSetFileInformation(ULONG FileID, ULONG AttributeFlags,
- ULONG AttributeMask)
+ ULONG AttributeMask)
{
return ARC_CALL3(set_finfo, FileID, AttributeFlags, AttributeMask);
}
diff --git a/arch/mips/fw/arc/identify.c b/arch/mips/fw/arc/identify.c
index 28dfd2e2989..f90266c02c9 100644
--- a/arch/mips/fw/arc/identify.c
+++ b/arch/mips/fw/arc/identify.c
@@ -9,8 +9,9 @@
*
* This code is based on arch/mips/sgi/kernel/system.c, which is
*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
*/
+#include <linux/bug.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
@@ -22,7 +23,6 @@
struct smatch {
char *arcname;
char *liname;
- int type;
int flags;
};
@@ -30,42 +30,38 @@ static struct smatch mach_table[] = {
{
.arcname = "SGI-IP22",
.liname = "SGI Indy",
- .type = MACH_SGI_IP22,
.flags = PROM_FLAG_ARCS,
}, {
.arcname = "SGI-IP27",
.liname = "SGI Origin",
- .type = MACH_SGI_IP27,
.flags = PROM_FLAG_ARCS,
}, {
.arcname = "SGI-IP28",
.liname = "SGI IP28",
- .type = MACH_SGI_IP28,
.flags = PROM_FLAG_ARCS,
}, {
.arcname = "SGI-IP30",
.liname = "SGI Octane",
- .type = MACH_SGI_IP30,
.flags = PROM_FLAG_ARCS,
}, {
.arcname = "SGI-IP32",
.liname = "SGI O2",
- .type = MACH_SGI_IP32,
.flags = PROM_FLAG_ARCS,
}, {
.arcname = "Microsoft-Jazz",
.liname = "Jazz MIPS_Magnum_4000",
- .type = MACH_MIPS_MAGNUM_4000,
.flags = 0,
}, {
.arcname = "PICA-61",
.liname = "Jazz Acer_PICA_61",
- .type = MACH_ACER_PICA_61,
.flags = 0,
}, {
.arcname = "RM200PCI",
.liname = "SNI RM200_PCI",
- .type = MACH_SNI_RM200_PCI,
+ .flags = PROM_FLAG_DONT_FREE_TEMP,
+ }, {
+ .arcname = "RM200PCI-R5K",
+ .liname = "SNI RM200_PCI-R5K",
.flags = PROM_FLAG_DONT_FREE_TEMP,
}
};
@@ -104,7 +100,7 @@ void __init prom_identify_arch(void)
if (p == NULL) {
#ifdef CONFIG_SGI_IP27
/* IP27 PROM misbehaves, seems to not implement ARC
- GetChild(). So we just assume it's an IP27. */
+ GetChild(). So we just assume it's an IP27. */
iname = "SGI-IP27";
#else
iname = "Unknown";
@@ -116,6 +112,5 @@ void __init prom_identify_arch(void)
mach = string_to_mach(iname);
system_type = mach->liname;
- mips_machtype = mach->type;
prom_flags = mach->flags;
}
diff --git a/arch/mips/fw/arc/init.c b/arch/mips/fw/arc/init.c
index e2f75b13312..629b24db0d3 100644
--- a/arch/mips/fw/arc/init.c
+++ b/arch/mips/fw/arc/init.c
@@ -5,13 +5,14 @@
*
* PROM library initialisation code.
*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <asm/bootinfo.h>
#include <asm/sgialib.h>
+#include <asm/smp-ops.h>
#undef DEBUG_PROM_INIT
@@ -48,4 +49,11 @@ void __init prom_init(void)
ArcRead(0, &c, 1, &cnt);
ArcEnterInteractiveMode();
#endif
+#ifdef CONFIG_SGI_IP27
+ {
+ extern struct plat_smp_ops ip27_smp_ops;
+
+ register_smp_ops(&ip27_smp_ops);
+ }
+#endif
}
diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c
index 8b8eea2b6cf..5537b94572b 100644
--- a/arch/mips/fw/arc/memory.c
+++ b/arch/mips/fw/arc/memory.c
@@ -1,6 +1,6 @@
/*
* memory.c: PROM library functions for acquiring/using memory descriptors
- * given to us from the ARCS firmware.
+ * given to us from the ARCS firmware.
*
* Copyright (C) 1996 by David S. Miller
* Copyright (C) 1999, 2000, 2001 by Ralf Baechle
diff --git a/arch/mips/fw/arc/misc.c b/arch/mips/fw/arc/misc.c
index e527c5fd5a3..f9f5307434c 100644
--- a/arch/mips/fw/arc/misc.c
+++ b/arch/mips/fw/arc/misc.c
@@ -5,19 +5,19 @@
*
* Miscellaneous ARCS PROM routines.
*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
* Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
* Copyright (C) 1999 Silicon Graphics, Inc.
*/
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/irqflags.h>
#include <asm/bcache.h>
#include <asm/fw/arc/types.h>
#include <asm/sgialib.h>
#include <asm/bootinfo.h>
-#include <asm/system.h>
VOID
ArcHalt(VOID)
diff --git a/arch/mips/fw/arc/promlib.c b/arch/mips/fw/arc/promlib.c
index c508c00dbb6..7e8ba5ce95b 100644
--- a/arch/mips/fw/arc/promlib.c
+++ b/arch/mips/fw/arc/promlib.c
@@ -4,14 +4,14 @@
* for more details.
*
* Copyright (C) 1996 David S. Miller (dm@sgi.com)
- * Compability with board caches, Ulf Carlsson
+ * Compatibility with board caches, Ulf Carlsson
*/
#include <linux/kernel.h>
#include <asm/sgialib.h>
#include <asm/bcache.h>
/*
- * IP22 boardcache is not compatible with board caches. Thus we disable it
+ * IP22 boardcache is not compatible with board caches. Thus we disable it
* during romvec action. Since r4xx0.c is always compiled and linked with your
* kernel, this shouldn't cause any harm regardless what MIPS processor you
* have.
diff --git a/arch/mips/fw/arc/salone.c b/arch/mips/fw/arc/salone.c
index e6afb64723d..9b568950d1f 100644
--- a/arch/mips/fw/arc/salone.c
+++ b/arch/mips/fw/arc/salone.c
@@ -2,7 +2,7 @@
* Routines to load into memory and execute stand-along program images using
* ARCS PROM firmware.
*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
*/
#include <linux/init.h>
#include <asm/sgialib.h>
diff --git a/arch/mips/fw/arc/time.c b/arch/mips/fw/arc/time.c
index 42138c837d4..190cdb50b89 100644
--- a/arch/mips/fw/arc/time.c
+++ b/arch/mips/fw/arc/time.c
@@ -5,7 +5,7 @@
*
* Extracting time information from ARCS prom.
*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
*/
#include <linux/init.h>
diff --git a/arch/mips/fw/arc/tree.c b/arch/mips/fw/arc/tree.c
index d68e5a59c1f..924a37dc256 100644
--- a/arch/mips/fw/arc/tree.c
+++ b/arch/mips/fw/arc/tree.c
@@ -5,7 +5,7 @@
*
* PROM component device tree code.
*
- * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
* Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
* Copyright (C) 1999 Silicon Graphics, Inc.
*/
diff --git a/arch/mips/fw/cfe/cfe_api.c b/arch/mips/fw/cfe/cfe_api.c
index a9f69e4e40a..cf84f01931c 100644
--- a/arch/mips/fw/cfe/cfe_api.c
+++ b/arch/mips/fw/cfe/cfe_api.c
@@ -16,19 +16,16 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-/* *********************************************************************
- *
- * Broadcom Common Firmware Environment (CFE)
- *
- * Device Function stubs File: cfe_api.c
- *
- * This module contains device function stubs (small routines to
- * call the standard "iocb" interface entry point to CFE).
- * There should be one routine here per iocb function call.
- *
- * Authors: Mitch Lichtenberg, Chris Demetriou
- *
- ********************************************************************* */
+/*
+ *
+ * Broadcom Common Firmware Environment (CFE)
+ *
+ * This module contains device function stubs (small routines to
+ * call the standard "iocb" interface entry point to CFE).
+ * There should be one routine here per iocb function call.
+ *
+ * Authors: Mitch Lichtenberg, Chris Demetriou
+ */
#include <asm/fw/cfe/cfe_api.h>
#include "cfe_api_int.h"
@@ -37,12 +34,8 @@
#define XPTR_FROM_NATIVE(n) ((cfe_xptr_t) (intptr_t) (n))
#define NATIVE_FROM_XPTR(x) ((void *) (intptr_t) (x))
-#ifdef CFE_API_IMPL_NAMESPACE
-#define cfe_iocb_dispatch(a) __cfe_iocb_dispatch(a)
-#endif
-int cfe_iocb_dispatch(cfe_xiocb_t * xiocb);
+int cfe_iocb_dispatch(struct cfe_xiocb *xiocb);
-#if defined(CFE_API_common) || defined(CFE_API_ALL)
/*
* Declare the dispatch function with args of "intptr_t".
* This makes sure whatever model we're compiling in
@@ -52,28 +45,26 @@ int cfe_iocb_dispatch(cfe_xiocb_t * xiocb);
* passed in two registers each, and CFE expects one.
*/
-static int (*cfe_dispfunc) (intptr_t handle, intptr_t xiocb) = 0;
-static cfe_xuint_t cfe_handle = 0;
+static int (*cfe_dispfunc) (intptr_t handle, intptr_t xiocb);
+static u64 cfe_handle;
-int cfe_init(cfe_xuint_t handle, cfe_xuint_t ept)
+int cfe_init(u64 handle, u64 ept)
{
cfe_dispfunc = NATIVE_FROM_XPTR(ept);
cfe_handle = handle;
return 0;
}
-int cfe_iocb_dispatch(cfe_xiocb_t * xiocb)
+int cfe_iocb_dispatch(struct cfe_xiocb * xiocb)
{
if (!cfe_dispfunc)
return -1;
return (*cfe_dispfunc) ((intptr_t) cfe_handle, (intptr_t) xiocb);
}
-#endif /* CFE_API_common || CFE_API_ALL */
-#if defined(CFE_API_close) || defined(CFE_API_ALL)
int cfe_close(int handle)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_DEV_CLOSE;
xiocb.xiocb_status = 0;
@@ -86,18 +77,16 @@ int cfe_close(int handle)
return xiocb.xiocb_status;
}
-#endif /* CFE_API_close || CFE_API_ALL */
-#if defined(CFE_API_cpu_start) || defined(CFE_API_ALL)
int cfe_cpu_start(int cpu, void (*fn) (void), long sp, long gp, long a1)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_cpuctl);
xiocb.plist.xiocb_cpuctl.cpu_number = cpu;
xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_START;
xiocb.plist.xiocb_cpuctl.gp_val = gp;
@@ -109,18 +98,16 @@ int cfe_cpu_start(int cpu, void (*fn) (void), long sp, long gp, long a1)
return xiocb.xiocb_status;
}
-#endif /* CFE_API_cpu_start || CFE_API_ALL */
-#if defined(CFE_API_cpu_stop) || defined(CFE_API_ALL)
int cfe_cpu_stop(int cpu)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_cpuctl);
xiocb.plist.xiocb_cpuctl.cpu_number = cpu;
xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_STOP;
@@ -128,18 +115,16 @@ int cfe_cpu_stop(int cpu)
return xiocb.xiocb_status;
}
-#endif /* CFE_API_cpu_stop || CFE_API_ALL */
-#if defined(CFE_API_enumenv) || defined(CFE_API_ALL)
int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_envbuf);
xiocb.plist.xiocb_envbuf.enum_idx = idx;
xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
xiocb.plist.xiocb_envbuf.name_length = namelen;
@@ -150,20 +135,17 @@ int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen)
return xiocb.xiocb_status;
}
-#endif /* CFE_API_enumenv || CFE_API_ALL */
-#if defined(CFE_API_enummem) || defined(CFE_API_ALL)
int
-cfe_enummem(int idx, int flags, cfe_xuint_t * start, cfe_xuint_t * length,
- cfe_xuint_t * type)
+cfe_enummem(int idx, int flags, u64 *start, u64 *length, u64 *type)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_FW_MEMENUM;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = flags;
- xiocb.xiocb_psize = sizeof(xiocb_meminfo_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_meminfo);
xiocb.plist.xiocb_meminfo.mi_idx = idx;
cfe_iocb_dispatch(&xiocb);
@@ -177,30 +159,26 @@ cfe_enummem(int idx, int flags, cfe_xuint_t * start, cfe_xuint_t * length,
return 0;
}
-#endif /* CFE_API_enummem || CFE_API_ALL */
-#if defined(CFE_API_exit) || defined(CFE_API_ALL)
int cfe_exit(int warm, int status)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_FW_RESTART;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = warm ? CFE_FLG_WARMSTART : 0;
- xiocb.xiocb_psize = sizeof(xiocb_exitstat_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_exitstat);
xiocb.plist.xiocb_exitstat.status = status;
cfe_iocb_dispatch(&xiocb);
return xiocb.xiocb_status;
}
-#endif /* CFE_API_exit || CFE_API_ALL */
-#if defined(CFE_API_flushcache) || defined(CFE_API_ALL)
int cfe_flushcache(int flg)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_FW_FLUSHCACHE;
xiocb.xiocb_status = 0;
@@ -212,34 +190,30 @@ int cfe_flushcache(int flg)
return xiocb.xiocb_status;
}
-#endif /* CFE_API_flushcache || CFE_API_ALL */
-#if defined(CFE_API_getdevinfo) || defined(CFE_API_ALL)
int cfe_getdevinfo(char *name)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_DEV_GETINFO;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
xiocb.plist.xiocb_buffer.buf_offset = 0;
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name);
- xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
+ xiocb.plist.xiocb_buffer.buf_length = strlen(name);
cfe_iocb_dispatch(&xiocb);
if (xiocb.xiocb_status < 0)
return xiocb.xiocb_status;
- return xiocb.plist.xiocb_buffer.buf_devflags;
+ return xiocb.plist.xiocb_buffer.buf_ioctlcmd;
}
-#endif /* CFE_API_getdevinfo || CFE_API_ALL */
-#if defined(CFE_API_getenv) || defined(CFE_API_ALL)
int cfe_getenv(char *name, char *dest, int destlen)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
*dest = 0;
@@ -247,10 +221,10 @@ int cfe_getenv(char *name, char *dest, int destlen)
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_envbuf);
xiocb.plist.xiocb_envbuf.enum_idx = 0;
xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
- xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
+ xiocb.plist.xiocb_envbuf.name_length = strlen(name);
xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(dest);
xiocb.plist.xiocb_envbuf.val_length = destlen;
@@ -258,18 +232,16 @@ int cfe_getenv(char *name, char *dest, int destlen)
return xiocb.xiocb_status;
}
-#endif /* CFE_API_getenv || CFE_API_ALL */
-#if defined(CFE_API_getfwinfo) || defined(CFE_API_ALL)
int cfe_getfwinfo(cfe_fwinfo_t * info)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_FW_GETINFO;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_fwinfo_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_fwinfo);
cfe_iocb_dispatch(&xiocb);
@@ -292,12 +264,10 @@ int cfe_getfwinfo(cfe_fwinfo_t * info)
return 0;
}
-#endif /* CFE_API_getfwinfo || CFE_API_ALL */
-#if defined(CFE_API_getstdhandle) || defined(CFE_API_ALL)
int cfe_getstdhandle(int flg)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_DEV_GETHANDLE;
xiocb.xiocb_status = 0;
@@ -311,23 +281,17 @@ int cfe_getstdhandle(int flg)
return xiocb.xiocb_status;
return xiocb.xiocb_handle;
}
-#endif /* CFE_API_getstdhandle || CFE_API_ALL */
-#if defined(CFE_API_getticks) || defined(CFE_API_ALL)
int64_t
-#ifdef CFE_API_IMPL_NAMESPACE
-__cfe_getticks(void)
-#else
cfe_getticks(void)
-#endif
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_FW_GETTIME;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_time_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_time);
xiocb.plist.xiocb_time.ticks = 0;
cfe_iocb_dispatch(&xiocb);
@@ -335,18 +299,16 @@ cfe_getticks(void)
return xiocb.plist.xiocb_time.ticks;
}
-#endif /* CFE_API_getticks || CFE_API_ALL */
-#if defined(CFE_API_inpstat) || defined(CFE_API_ALL)
int cfe_inpstat(int handle)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_DEV_INPSTAT;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = handle;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_inpstat_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_inpstat);
xiocb.plist.xiocb_inpstat.inp_status = 0;
cfe_iocb_dispatch(&xiocb);
@@ -355,20 +317,18 @@ int cfe_inpstat(int handle)
return xiocb.xiocb_status;
return xiocb.plist.xiocb_inpstat.inp_status;
}
-#endif /* CFE_API_inpstat || CFE_API_ALL */
-#if defined(CFE_API_ioctl) || defined(CFE_API_ALL)
int
cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
- int length, int *retlen, cfe_xuint_t offset)
+ int length, int *retlen, u64 offset)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_DEV_IOCTL;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = handle;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
xiocb.plist.xiocb_buffer.buf_offset = offset;
xiocb.plist.xiocb_buffer.buf_ioctlcmd = ioctlnum;
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
@@ -380,21 +340,19 @@ cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
*retlen = xiocb.plist.xiocb_buffer.buf_retlen;
return xiocb.xiocb_status;
}
-#endif /* CFE_API_ioctl || CFE_API_ALL */
-#if defined(CFE_API_open) || defined(CFE_API_ALL)
int cfe_open(char *name)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_DEV_OPEN;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
xiocb.plist.xiocb_buffer.buf_offset = 0;
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name);
- xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
+ xiocb.plist.xiocb_buffer.buf_length = strlen(name);
cfe_iocb_dispatch(&xiocb);
@@ -402,27 +360,21 @@ int cfe_open(char *name)
return xiocb.xiocb_status;
return xiocb.xiocb_handle;
}
-#endif /* CFE_API_open || CFE_API_ALL */
-#if defined(CFE_API_read) || defined(CFE_API_ALL)
int cfe_read(int handle, unsigned char *buffer, int length)
{
return cfe_readblk(handle, 0, buffer, length);
}
-#endif /* CFE_API_read || CFE_API_ALL */
-#if defined(CFE_API_readblk) || defined(CFE_API_ALL)
-int
-cfe_readblk(int handle, cfe_xint_t offset, unsigned char *buffer,
- int length)
+int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_DEV_READ;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = handle;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
xiocb.plist.xiocb_buffer.buf_offset = offset;
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
xiocb.plist.xiocb_buffer.buf_length = length;
@@ -433,62 +385,41 @@ cfe_readblk(int handle, cfe_xint_t offset, unsigned char *buffer,
return xiocb.xiocb_status;
return xiocb.plist.xiocb_buffer.buf_retlen;
}
-#endif /* CFE_API_readblk || CFE_API_ALL */
-#if defined(CFE_API_setenv) || defined(CFE_API_ALL)
int cfe_setenv(char *name, char *val)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = 0;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_envbuf);
xiocb.plist.xiocb_envbuf.enum_idx = 0;
xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
- xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
+ xiocb.plist.xiocb_envbuf.name_length = strlen(name);
xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val);
- xiocb.plist.xiocb_envbuf.val_length = cfe_strlen(val);
+ xiocb.plist.xiocb_envbuf.val_length = strlen(val);
cfe_iocb_dispatch(&xiocb);
return xiocb.xiocb_status;
}
-#endif /* CFE_API_setenv || CFE_API_ALL */
-#if (defined(CFE_API_strlen) || defined(CFE_API_ALL)) \
- && !defined(CFE_API_STRLEN_CUSTOM)
-int cfe_strlen(char *name)
-{
- int count = 0;
-
- while (*name++)
- count++;
-
- return count;
-}
-#endif /* CFE_API_strlen || CFE_API_ALL */
-
-#if defined(CFE_API_write) || defined(CFE_API_ALL)
-int cfe_write(int handle, unsigned char *buffer, int length)
+int cfe_write(int handle, const char *buffer, int length)
{
return cfe_writeblk(handle, 0, buffer, length);
}
-#endif /* CFE_API_write || CFE_API_ALL */
-#if defined(CFE_API_writeblk) || defined(CFE_API_ALL)
-int
-cfe_writeblk(int handle, cfe_xint_t offset, unsigned char *buffer,
- int length)
+int cfe_writeblk(int handle, s64 offset, const char *buffer, int length)
{
- cfe_xiocb_t xiocb;
+ struct cfe_xiocb xiocb;
xiocb.xiocb_fcode = CFE_CMD_DEV_WRITE;
xiocb.xiocb_status = 0;
xiocb.xiocb_handle = handle;
xiocb.xiocb_flags = 0;
- xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
xiocb.plist.xiocb_buffer.buf_offset = offset;
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
xiocb.plist.xiocb_buffer.buf_length = length;
@@ -499,4 +430,3 @@ cfe_writeblk(int handle, cfe_xint_t offset, unsigned char *buffer,
return xiocb.xiocb_status;
return xiocb.plist.xiocb_buffer.buf_retlen;
}
-#endif /* CFE_API_writeblk || CFE_API_ALL */
diff --git a/arch/mips/fw/cfe/cfe_api_int.h b/arch/mips/fw/cfe/cfe_api_int.h
index f7e5a64b55f..d9759e64695 100644
--- a/arch/mips/fw/cfe/cfe_api_int.h
+++ b/arch/mips/fw/cfe/cfe_api_int.h
@@ -15,28 +15,12 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-
-/* *********************************************************************
- *
- * Broadcom Common Firmware Environment (CFE)
- *
- * Device function prototypes File: cfe_api_int.h
- *
- * This header defines all internal types and macros for the
- * library. This is stuff that's not exported to an app
- * using the library.
- *
- * Authors: Mitch Lichtenberg, Chris Demetriou
- *
- ********************************************************************* */
-
#ifndef CFE_API_INT_H
#define CFE_API_INT_H
-/* *********************************************************************
- * Constants
- ********************************************************************* */
-
+/*
+ * Constants.
+ */
#define CFE_CMD_FW_GETINFO 0
#define CFE_CMD_FW_RESTART 1
#define CFE_CMD_FW_BOOT 2
@@ -64,89 +48,101 @@
#define CFE_CMD_VENDOR_USE 0x8000 /* codes above this are for customer use */
-/* *********************************************************************
- * Structures
- ********************************************************************* */
+/*
+ * Structures.
+ */
-typedef uint64_t cfe_xuint_t;
-typedef int64_t cfe_xint_t;
-typedef int64_t cfe_xptr_t;
+/* eeek, signed "pointers" */
+typedef s64 cfe_xptr_t;
-typedef struct xiocb_buffer_s {
- cfe_xuint_t buf_offset; /* offset on device (bytes) */
+struct xiocb_buffer {
+ u64 buf_offset; /* offset on device (bytes) */
cfe_xptr_t buf_ptr; /* pointer to a buffer */
- cfe_xuint_t buf_length; /* length of this buffer */
- cfe_xuint_t buf_retlen; /* returned length (for read ops) */
- cfe_xuint_t buf_ioctlcmd; /* IOCTL command (used only for IOCTLs) */
-} xiocb_buffer_t;
-
-#define buf_devflags buf_ioctlcmd /* returned device info flags */
+ u64 buf_length; /* length of this buffer */
+ u64 buf_retlen; /* returned length (for read ops) */
+ u64 buf_ioctlcmd; /* IOCTL command (used only for IOCTLs) */
+};
-typedef struct xiocb_inpstat_s {
- cfe_xuint_t inp_status; /* 1 means input available */
-} xiocb_inpstat_t;
+struct xiocb_inpstat {
+ u64 inp_status; /* 1 means input available */
+};
-typedef struct xiocb_envbuf_s {
- cfe_xint_t enum_idx; /* 0-based enumeration index */
+struct xiocb_envbuf {
+ s64 enum_idx; /* 0-based enumeration index */
cfe_xptr_t name_ptr; /* name string buffer */
- cfe_xint_t name_length; /* size of name buffer */
+ s64 name_length; /* size of name buffer */
cfe_xptr_t val_ptr; /* value string buffer */
- cfe_xint_t val_length; /* size of value string buffer */
-} xiocb_envbuf_t;
-
-typedef struct xiocb_cpuctl_s {
- cfe_xuint_t cpu_number; /* cpu number to control */
- cfe_xuint_t cpu_command; /* command to issue to CPU */
- cfe_xuint_t start_addr; /* CPU start address */
- cfe_xuint_t gp_val; /* starting GP value */
- cfe_xuint_t sp_val; /* starting SP value */
- cfe_xuint_t a1_val; /* starting A1 value */
-} xiocb_cpuctl_t;
-
-typedef struct xiocb_time_s {
- cfe_xint_t ticks; /* current time in ticks */
-} xiocb_time_t;
-
-typedef struct xiocb_exitstat_s {
- cfe_xint_t status;
-} xiocb_exitstat_t;
-
-typedef struct xiocb_meminfo_s {
- cfe_xint_t mi_idx; /* 0-based enumeration index */
- cfe_xint_t mi_type; /* type of memory block */
- cfe_xuint_t mi_addr; /* physical start address */
- cfe_xuint_t mi_size; /* block size */
-} xiocb_meminfo_t;
-
-typedef struct xiocb_fwinfo_s {
- cfe_xint_t fwi_version; /* major, minor, eco version */
- cfe_xint_t fwi_totalmem; /* total installed mem */
- cfe_xint_t fwi_flags; /* various flags */
- cfe_xint_t fwi_boardid; /* board ID */
- cfe_xint_t fwi_bootarea_va; /* VA of boot area */
- cfe_xint_t fwi_bootarea_pa; /* PA of boot area */
- cfe_xint_t fwi_bootarea_size; /* size of boot area */
- cfe_xint_t fwi_reserved1;
- cfe_xint_t fwi_reserved2;
- cfe_xint_t fwi_reserved3;
-} xiocb_fwinfo_t;
-
-typedef struct cfe_xiocb_s {
- cfe_xuint_t xiocb_fcode; /* IOCB function code */
- cfe_xint_t xiocb_status; /* return status */
- cfe_xint_t xiocb_handle; /* file/device handle */
- cfe_xuint_t xiocb_flags; /* flags for this IOCB */
- cfe_xuint_t xiocb_psize; /* size of parameter list */
+ s64 val_length; /* size of value string buffer */
+};
+
+struct xiocb_cpuctl {
+ u64 cpu_number; /* cpu number to control */
+ u64 cpu_command; /* command to issue to CPU */
+ u64 start_addr; /* CPU start address */
+ u64 gp_val; /* starting GP value */
+ u64 sp_val; /* starting SP value */
+ u64 a1_val; /* starting A1 value */
+};
+
+struct xiocb_time {
+ s64 ticks; /* current time in ticks */
+};
+
+struct xiocb_exitstat{
+ s64 status;
+};
+
+struct xiocb_meminfo {
+ s64 mi_idx; /* 0-based enumeration index */
+ s64 mi_type; /* type of memory block */
+ u64 mi_addr; /* physical start address */
+ u64 mi_size; /* block size */
+};
+
+struct xiocb_fwinfo {
+ s64 fwi_version; /* major, minor, eco version */
+ s64 fwi_totalmem; /* total installed mem */
+ s64 fwi_flags; /* various flags */
+ s64 fwi_boardid; /* board ID */
+ s64 fwi_bootarea_va; /* VA of boot area */
+ s64 fwi_bootarea_pa; /* PA of boot area */
+ s64 fwi_bootarea_size; /* size of boot area */
+ s64 fwi_reserved1;
+ s64 fwi_reserved2;
+ s64 fwi_reserved3;
+};
+
+struct cfe_xiocb {
+ u64 xiocb_fcode; /* IOCB function code */
+ s64 xiocb_status; /* return status */
+ s64 xiocb_handle; /* file/device handle */
+ u64 xiocb_flags; /* flags for this IOCB */
+ u64 xiocb_psize; /* size of parameter list */
union {
- xiocb_buffer_t xiocb_buffer; /* buffer parameters */
- xiocb_inpstat_t xiocb_inpstat; /* input status parameters */
- xiocb_envbuf_t xiocb_envbuf; /* environment function parameters */
- xiocb_cpuctl_t xiocb_cpuctl; /* CPU control parameters */
- xiocb_time_t xiocb_time; /* timer parameters */
- xiocb_meminfo_t xiocb_meminfo; /* memory arena info parameters */
- xiocb_fwinfo_t xiocb_fwinfo; /* firmware information */
- xiocb_exitstat_t xiocb_exitstat; /* Exit Status */
+ /* buffer parameters */
+ struct xiocb_buffer xiocb_buffer;
+
+ /* input status parameters */
+ struct xiocb_inpstat xiocb_inpstat;
+
+ /* environment function parameters */
+ struct xiocb_envbuf xiocb_envbuf;
+
+ /* CPU control parameters */
+ struct xiocb_cpuctl xiocb_cpuctl;
+
+ /* timer parameters */
+ struct xiocb_time xiocb_time;
+
+ /* memory arena info parameters */
+ struct xiocb_meminfo xiocb_meminfo;
+
+ /* firmware information */
+ struct xiocb_fwinfo xiocb_fwinfo;
+
+ /* Exit Status */
+ struct xiocb_exitstat xiocb_exitstat;
} plist;
-} cfe_xiocb_t;
+};
-#endif /* CFE_API_INT_H */
+#endif /* CFE_API_INT_H */
diff --git a/arch/mips/fw/lib/Makefile b/arch/mips/fw/lib/Makefile
new file mode 100644
index 00000000000..52915051677
--- /dev/null
+++ b/arch/mips/fw/lib/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for generic prom monitor library routines under Linux.
+#
+
+lib-y += cmdline.o
+
+lib-$(CONFIG_64BIT) += call_o32.o
diff --git a/arch/mips/fw/lib/call_o32.S b/arch/mips/fw/lib/call_o32.S
new file mode 100644
index 00000000000..4703fe4dbd9
--- /dev/null
+++ b/arch/mips/fw/lib/call_o32.S
@@ -0,0 +1,108 @@
+/*
+ * O32 interface for the 64 (or N32) ABI.
+ *
+ * Copyright (C) 2002, 2014 Maciej W. Rozycki
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <asm/asm.h>
+#include <asm/regdef.h>
+
+/* O32 register size. */
+#define O32_SZREG 4
+/* Maximum number of arguments supported. Must be even! */
+#define O32_ARGC 32
+/* Number of static registers we save. */
+#define O32_STATC 11
+/* Argument area frame size. */
+#define O32_ARGSZ (O32_SZREG * O32_ARGC)
+/* Static register save area frame size. */
+#define O32_STATSZ (SZREG * O32_STATC)
+/* Stack pointer register save area frame size. */
+#define O32_SPSZ SZREG
+/* Combined area frame size. */
+#define O32_FRAMESZ (O32_ARGSZ + O32_SPSZ + O32_STATSZ)
+/* Switched stack frame size. */
+#define O32_NFRAMESZ (O32_ARGSZ + O32_SPSZ)
+
+ .text
+
+/*
+ * O32 function call dispatcher, for interfacing 32-bit ROM routines.
+ *
+ * The standard 64 (N32) calling sequence is supported, with a0 holding
+ * a function pointer, a1 a pointer to the new stack to call the
+ * function with or 0 if no stack switching is requested, a2-a7 -- the
+ * function call's first six arguments, and the stack -- the remaining
+ * arguments (up to O32_ARGC, including a2-a7). Static registers, gp
+ * and fp are preserved, v0 holds the result. This code relies on the
+ * called o32 function for sp and ra restoration and this dispatcher has
+ * to be placed in a KSEGx (or KUSEG) address space. Any pointers
+ * passed have to point to addresses within one of these spaces as well.
+ */
+NESTED(call_o32, O32_FRAMESZ, ra)
+ REG_SUBU sp,O32_FRAMESZ
+
+ REG_S ra,O32_FRAMESZ-1*SZREG(sp)
+ REG_S fp,O32_FRAMESZ-2*SZREG(sp)
+ REG_S gp,O32_FRAMESZ-3*SZREG(sp)
+ REG_S s7,O32_FRAMESZ-4*SZREG(sp)
+ REG_S s6,O32_FRAMESZ-5*SZREG(sp)
+ REG_S s5,O32_FRAMESZ-6*SZREG(sp)
+ REG_S s4,O32_FRAMESZ-7*SZREG(sp)
+ REG_S s3,O32_FRAMESZ-8*SZREG(sp)
+ REG_S s2,O32_FRAMESZ-9*SZREG(sp)
+ REG_S s1,O32_FRAMESZ-10*SZREG(sp)
+ REG_S s0,O32_FRAMESZ-11*SZREG(sp)
+
+ move jp,a0
+
+ move fp,sp
+ beqz a1,0f
+ REG_SUBU fp,a1,O32_NFRAMESZ
+0:
+ REG_S sp,O32_NFRAMESZ-1*SZREG(fp)
+
+ sll a0,a2,zero
+ sll a1,a3,zero
+ sll a2,a4,zero
+ sll a3,a5,zero
+ sw a6,4*O32_SZREG(fp)
+ sw a7,5*O32_SZREG(fp)
+
+ PTR_LA t0,O32_FRAMESZ(sp)
+ PTR_LA t1,6*O32_SZREG(fp)
+ li t2,O32_ARGC-6
+1:
+ lw t3,(t0)
+ REG_ADDU t0,SZREG
+ sw t3,(t1)
+ REG_SUBU t2,1
+ REG_ADDU t1,O32_SZREG
+ bnez t2,1b
+
+ move sp,fp
+
+ jalr jp
+
+ REG_L sp,O32_NFRAMESZ-1*SZREG(sp)
+
+ REG_L s0,O32_FRAMESZ-11*SZREG(sp)
+ REG_L s1,O32_FRAMESZ-10*SZREG(sp)
+ REG_L s2,O32_FRAMESZ-9*SZREG(sp)
+ REG_L s3,O32_FRAMESZ-8*SZREG(sp)
+ REG_L s4,O32_FRAMESZ-7*SZREG(sp)
+ REG_L s5,O32_FRAMESZ-6*SZREG(sp)
+ REG_L s6,O32_FRAMESZ-5*SZREG(sp)
+ REG_L s7,O32_FRAMESZ-4*SZREG(sp)
+ REG_L gp,O32_FRAMESZ-3*SZREG(sp)
+ REG_L fp,O32_FRAMESZ-2*SZREG(sp)
+ REG_L ra,O32_FRAMESZ-1*SZREG(sp)
+
+ REG_ADDU sp,O32_FRAMESZ
+ jr ra
+END(call_o32)
diff --git a/arch/mips/fw/lib/cmdline.c b/arch/mips/fw/lib/cmdline.c
new file mode 100644
index 00000000000..ffd0345780a
--- /dev/null
+++ b/arch/mips/fw/lib/cmdline.c
@@ -0,0 +1,101 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+#include <asm/addrspace.h>
+#include <asm/fw/fw.h>
+
+int fw_argc;
+int *_fw_argv;
+int *_fw_envp;
+
+void __init fw_init_cmdline(void)
+{
+ int i;
+
+ /* Validate command line parameters. */
+ if ((fw_arg0 >= CKSEG0) || (fw_arg1 < CKSEG0)) {
+ fw_argc = 0;
+ _fw_argv = NULL;
+ } else {
+ fw_argc = (fw_arg0 & 0x0000ffff);
+ _fw_argv = (int *)fw_arg1;
+ }
+
+ /* Validate environment pointer. */
+ if (fw_arg2 < CKSEG0)
+ _fw_envp = NULL;
+ else
+ _fw_envp = (int *)fw_arg2;
+
+ for (i = 1; i < fw_argc; i++) {
+ strlcat(arcs_cmdline, fw_argv(i), COMMAND_LINE_SIZE);
+ if (i < (fw_argc - 1))
+ strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
+ }
+}
+
+char * __init fw_getcmdline(void)
+{
+ return &(arcs_cmdline[0]);
+}
+
+char *fw_getenv(char *envname)
+{
+ char *result = NULL;
+
+ if (_fw_envp != NULL) {
+ /*
+ * Return a pointer to the given environment variable.
+ * YAMON uses "name", "value" pairs, while U-Boot uses
+ * "name=value".
+ */
+ int i, yamon, index = 0;
+
+ yamon = (strchr(fw_envp(index), '=') == NULL);
+ i = strlen(envname);
+
+ while (fw_envp(index)) {
+ if (strncmp(envname, fw_envp(index), i) == 0) {
+ if (yamon) {
+ result = fw_envp(index + 1);
+ break;
+ } else if (fw_envp(index)[i] == '=') {
+ result = (fw_envp(index + 1) + i);
+ break;
+ }
+ }
+
+ /* Increment array index. */
+ if (yamon)
+ index += 2;
+ else
+ index += 1;
+ }
+ }
+
+ return result;
+}
+
+unsigned long fw_getenvl(char *envname)
+{
+ unsigned long envl = 0UL;
+ char *str;
+ long val;
+ int tmp;
+
+ str = fw_getenv(envname);
+ if (str) {
+ tmp = kstrtol(str, 0, &val);
+ envl = (unsigned long)val;
+ }
+
+ return envl;
+}
diff --git a/arch/mips/fw/sni/Makefile b/arch/mips/fw/sni/Makefile
new file mode 100644
index 00000000000..3f01dd36e6b
--- /dev/null
+++ b/arch/mips/fw/sni/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the SNI prom monitor routines under Linux.
+#
+
+lib-$(CONFIG_FW_SNIPROM) += sniprom.o
diff --git a/arch/mips/fw/sni/sniprom.c b/arch/mips/fw/sni/sniprom.c
new file mode 100644
index 00000000000..6aa264b9856
--- /dev/null
+++ b/arch/mips/fw/sni/sniprom.c
@@ -0,0 +1,152 @@
+/*
+ * Big Endian PROM code for SNI RM machines
+ *
+ * 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.
+ *
+ * Copyright (C) 2005-2006 Florian Lohoff (flo@rfc822.org)
+ * Copyright (C) 2005-2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/console.h>
+
+#include <asm/addrspace.h>
+#include <asm/sni.h>
+#include <asm/mipsprom.h>
+#include <asm/mipsregs.h>
+#include <asm/bootinfo.h>
+
+/* special SNI prom calls */
+/*
+ * This does not exist in all proms - SINIX compares
+ * the prom env variable "version" against "2.0008"
+ * or greater. If lesser it tries to probe interesting
+ * registers
+ */
+#define PROM_GET_MEMCONF 58
+#define PROM_GET_HWCONF 61
+
+#define PROM_VEC (u64 *)CKSEG1ADDR(0x1fc00000)
+#define PROM_ENTRY(x) (PROM_VEC + (x))
+
+#define ___prom_putchar ((int *(*)(int))PROM_ENTRY(PROM_PUTCHAR))
+#define ___prom_getenv ((char *(*)(char *))PROM_ENTRY(PROM_GETENV))
+#define ___prom_get_memconf ((void (*)(void *))PROM_ENTRY(PROM_GET_MEMCONF))
+#define ___prom_get_hwconf ((u32 (*)(void))PROM_ENTRY(PROM_GET_HWCONF))
+
+#ifdef CONFIG_64BIT
+
+/* O32 stack has to be 8-byte aligned. */
+static u64 o32_stk[4096];
+#define O32_STK &o32_stk[sizeof(o32_stk)]
+
+#define __PROM_O32(fun, arg) fun arg __asm__(#fun); \
+ __asm__(#fun " = call_o32")
+
+int __PROM_O32(__prom_putchar, (int *(*)(int), void *, int));
+char *__PROM_O32(__prom_getenv, (char *(*)(char *), void *, char *));
+void __PROM_O32(__prom_get_memconf, (void (*)(void *), void *, void *));
+u32 __PROM_O32(__prom_get_hwconf, (u32 (*)(void), void *));
+
+#define _prom_putchar(x) __prom_putchar(___prom_putchar, O32_STK, x)
+#define _prom_getenv(x) __prom_getenv(___prom_getenv, O32_STK, x)
+#define _prom_get_memconf(x) __prom_get_memconf(___prom_get_memconf, O32_STK, x)
+#define _prom_get_hwconf() __prom_get_hwconf(___prom_get_hwconf, O32_STK)
+
+#else
+#define _prom_putchar(x) ___prom_putchar(x)
+#define _prom_getenv(x) ___prom_getenv(x)
+#define _prom_get_memconf(x) ___prom_get_memconf(x)
+#define _prom_get_hwconf(x) ___prom_get_hwconf(x)
+#endif
+
+void prom_putchar(char c)
+{
+ _prom_putchar(c);
+}
+
+
+char *prom_getenv(char *s)
+{
+ return _prom_getenv(s);
+}
+
+void *prom_get_hwconf(void)
+{
+ u32 hwconf = _prom_get_hwconf();
+
+ if (hwconf == 0xffffffff)
+ return NULL;
+
+ return (void *)CKSEG1ADDR(hwconf);
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+/*
+ * /proc/cpuinfo system type
+ *
+ */
+char *system_type = "Unknown";
+const char *get_system_type(void)
+{
+ return system_type;
+}
+
+static void __init sni_mem_init(void)
+{
+ int i, memsize;
+ struct membank {
+ u32 size;
+ u32 base;
+ u32 size2;
+ u32 pad1;
+ u32 pad2;
+ } memconf[8];
+ int brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE;
+
+
+ /* MemSIZE from prom in 16MByte chunks */
+ memsize = *((unsigned char *) SNI_IDPROM_MEMSIZE) * 16;
+
+ pr_debug("IDProm memsize: %u MByte\n", memsize);
+
+ /* get memory bank layout from prom */
+ _prom_get_memconf(&memconf);
+
+ pr_debug("prom_get_mem_conf memory configuration:\n");
+ for (i = 0; i < 8 && memconf[i].size; i++) {
+ if (brd_type == SNI_BRD_PCI_TOWER ||
+ brd_type == SNI_BRD_PCI_TOWER_CPLUS) {
+ if (memconf[i].base >= 0x20000000 &&
+ memconf[i].base < 0x30000000)
+ memconf[i].base -= 0x20000000;
+ }
+ pr_debug("Bank%d: %08x @ %08x\n", i,
+ memconf[i].size, memconf[i].base);
+ add_memory_region(memconf[i].base, memconf[i].size,
+ BOOT_MEM_RAM);
+ }
+}
+
+void __init prom_init(void)
+{
+ int argc = fw_arg0;
+ u32 *argv = (u32 *)CKSEG0ADDR(fw_arg1);
+ int i;
+
+ sni_mem_init();
+
+ /* copy prom cmdline parameters to kernel cmdline */
+ for (i = 1; i < argc; i++) {
+ strcat(arcs_cmdline, (char *)CKSEG0ADDR(argv[i]));
+ if (i < (argc - 1))
+ strcat(arcs_cmdline, " ");
+ }
+}