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-rw-r--r--arch/mips/Makefile19
-rw-r--r--arch/mips/arc/init.c3
-rw-r--r--arch/mips/baget/prom/init.c3
-rw-r--r--arch/mips/config.in6
-rw-r--r--arch/mips/ddb5074/prom.c2
-rw-r--r--arch/mips/galileo-boards/ev64120/setup.c3
-rw-r--r--arch/mips/galileo-boards/generic/cmdline.c5
-rw-r--r--arch/mips/galileo-boards/generic/init.c19
-rw-r--r--arch/mips/kernel/Makefile2
-rw-r--r--arch/mips/kernel/proc.c16
-rw-r--r--arch/mips/kernel/setup.c28
-rw-r--r--arch/mips/kernel/traps.c25
-rw-r--r--arch/mips/mips-boards/generic/cmdline.c31
-rw-r--r--arch/mips/mips-boards/generic/init.c13
14 files changed, 71 insertions, 104 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 84a06b421..314fdff11 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -28,10 +28,10 @@ CROSS_COMPILE = $(tool-prefix)
endif
#
-# The ELF GCC uses -G0 -mabicalls -fpic as default. We don't need PIC
-# code in the kernel since it only slows down the whole thing. For the
-# old GCC these options are just the defaults. At some point we might
-# make use of global pointer optimizations.
+# GCC uses -G0 -mabicalls -fpic as default. We don't want PIC in the kernel
+# code since it only slows down the whole thing. At some point we might make
+# use of global pointer optimizations but their use of $28 conflicts with
+# the current pointer optimization.
#
# The DECStation requires an ECOFF kernel for remote booting, other MIPS
# machines may also. Since BFD is incredibly buggy with respect to
@@ -205,6 +205,16 @@ LOADADDR += 0x80100000
endif
#
+# PMC Sierra Momentum / Ocelot / CP7000 board
+# Whatever you want to call it today.
+#
+ifdef CONFIG_PMC_CP7000
+LIBS += arch/mips/pmc/cp7000/cp7000.o
+SUBDIRS += arch/mips/pmc/cp7000
+LOADADDR += 0x80100000
+endif
+
+#
# Choosing incompatible machines durings configuration will result in
# error messages during linking. Select a default linkscript if
# none has been choosen above.
@@ -273,4 +283,3 @@ archdep:
touch $(TOPDIR)/include/asm-$(ARCH)/offset.h; \
fi;
@$(MAKEBOOT) dep
-
diff --git a/arch/mips/arc/init.c b/arch/mips/arc/init.c
index 05200cb42..76b5ade80 100644
--- a/arch/mips/arc/init.c
+++ b/arch/mips/arc/init.c
@@ -23,7 +23,7 @@ unsigned short prom_vers, prom_rev;
extern void prom_testtree(void);
-int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
+void __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
{
struct linux_promblock *pb;
@@ -55,5 +55,4 @@ int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
romvec->imode();
}
#endif
- return 0;
}
diff --git a/arch/mips/baget/prom/init.c b/arch/mips/baget/prom/init.c
index 02fcc5b92..2d22860d8 100644
--- a/arch/mips/baget/prom/init.c
+++ b/arch/mips/baget/prom/init.c
@@ -8,13 +8,12 @@
char arcs_cmdline[COMMAND_LINE_SIZE];
-int __init prom_init(unsigned int mem_upper)
+void __init prom_init(unsigned int mem_upper)
{
mips_memory_upper = mem_upper;
mips_machgroup = MACH_GROUP_UNKNOWN;
mips_machtype = MACH_UNKNOWN;
arcs_cmdline[0] = 0;
- return 0;
}
void prom_free_prom_memory (void)
diff --git a/arch/mips/config.in b/arch/mips/config.in
index f7c416fbf..5546d730a 100644
--- a/arch/mips/config.in
+++ b/arch/mips/config.in
@@ -32,6 +32,7 @@ if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
fi
bool 'Support for Mips Magnum 4000' CONFIG_MIPS_MAGNUM_4000
bool 'Support for Olivetti M700-10' CONFIG_OLIVETTI_M700
+bool 'Support for PMC Sierra CP7000' CONFIG_PMC_CP7000
bool 'Support for SGI IP22' CONFIG_SGI_IP22
bool 'Support for SNI RM200 PCI' CONFIG_SNI_RM200_PCI
@@ -40,6 +41,7 @@ bool 'Support for SNI RM200 PCI' CONFIG_SNI_RM200_PCI
#
unset CONFIG_ARC32
unset CONFIG_BOARD_SCACHE
+unset CONFIG_HAVE_STD_PC_SERIAL_PORT
unset CONFIG_ISA
unset CONFIG_PCI
unset CONFIG_MIPS_JAZZ
@@ -92,6 +94,10 @@ if [ "$CONFIG_MIPS_MALTA" = "y" ]; then
define_bool CONFIG_PCI y
define_bool CONFIG_ISA n
fi
+if [ "$CONFIG_PMC_CP7000" = "y" ]; then
+ define_bool CONFIG_PCI y
+ define_bool CONFIG_SYSCLK_100 y
+fi
if [ "$CONFIG_SGI_IP22" = "y" ]; then
define_bool CONFIG_ARC32 y
define_bool CONFIG_BOARD_SCACHE y
diff --git a/arch/mips/ddb5074/prom.c b/arch/mips/ddb5074/prom.c
index 832f8a675..c1614203b 100644
--- a/arch/mips/ddb5074/prom.c
+++ b/arch/mips/ddb5074/prom.c
@@ -19,8 +19,6 @@ void __init prom_init(const char *s)
{
int i = 0;
-// _serinit();
-
if (s != (void *) -1)
while (*s && i < sizeof(arcs_cmdline) - 1)
arcs_cmdline[i++] = *s++;
diff --git a/arch/mips/galileo-boards/ev64120/setup.c b/arch/mips/galileo-boards/ev64120/setup.c
index 874245fa8..a746a15e7 100644
--- a/arch/mips/galileo-boards/ev64120/setup.c
+++ b/arch/mips/galileo-boards/ev64120/setup.c
@@ -189,7 +189,7 @@ void SetUpBootInfo(int argc, char **argv, char **envp)
extern int _end;
unsigned long mem_size;
-int __init prom_init(int a, char **b, char **c, int *d)
+void __init prom_init(int a, char **b, char **c, int *d)
{
unsigned long free_start, free_end, start_pfn, bootmap_size;
@@ -209,7 +209,6 @@ int __init prom_init(int a, char **b, char **c, int *d)
/* Free the entire available memory after the _end symbol. */
free_start += bootmap_size;
free_bootmem(free_start, free_end - free_start);
- return 0;
}
#if 0
diff --git a/arch/mips/galileo-boards/generic/cmdline.c b/arch/mips/galileo-boards/generic/cmdline.c
index 3574e976c..f75c01979 100644
--- a/arch/mips/galileo-boards/generic/cmdline.c
+++ b/arch/mips/galileo-boards/generic/cmdline.c
@@ -2,8 +2,6 @@
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
*
- * ########################################################################
- *
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
@@ -17,8 +15,6 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
- * ########################################################################
- *
* Kernel command line creation using the prom monitor (YAMON) argc/argv.
*
*/
@@ -57,5 +53,4 @@ void __init prom_init_cmdline(void)
if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
--cp;
*cp = '\0';
-
}
diff --git a/arch/mips/galileo-boards/generic/init.c b/arch/mips/galileo-boards/generic/init.c
index b488cb349..593207bf3 100644
--- a/arch/mips/galileo-boards/generic/init.c
+++ b/arch/mips/galileo-boards/generic/init.c
@@ -1,8 +1,4 @@
/*
- *
- * BRIEF MODULE DESCRIPTION
- * Galileo PROM library initialisation code.
- *
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or support@mvista.com
@@ -131,7 +127,7 @@ int get_ethernet_addr(char *ethernet_addr)
}
-int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
+void __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
{
unsigned long mem_size, free_start, free_end, start_pfn,
bootmap_size;
@@ -142,21 +138,10 @@ int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
prom_argv = argv;
prom_envp = envp;
- //init_serial();
-
mips_machgroup = MACH_GROUP_GALILEO;
-#if 0
- prom_ops = &ev96100_prom_ops;
- prom_ops->printf = prom_vec[5];
-#endif
- puts("Linux running");
- puts("");
prom_init_cmdline();
- //prom_meminit();
-
-
/* 64 MB non-upgradable */
mem_size = 64 << 20;
@@ -171,6 +156,4 @@ int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
/* Free the entire available memory after the _end symbol. */
free_start += bootmap_size;
free_bootmem(free_start, free_end - free_start);
-
- return 0;
}
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index bdb8bc727..9be8406e4 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -46,7 +46,7 @@ ifndef CONFIG_DECSTATION
ifndef CONFIG_BAGET_MIPS
ifndef CONFIG_MIPS_ATLAS
ifndef CONFIG_MIPS_MALTA
- ifndef CONFIG_MIPS_EV96100
+ ifndef CONFIG_MIPS_EV96100
O_OBJS += time.o
endif
endif
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 0069c4a01..0fd3754fe 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -36,16 +36,14 @@ int get_cpuinfo(char *buffer)
const char *mach_cobalt_names[] = GROUP_COBALT_NAMES;
const char *mach_nec_ddb_names[] = GROUP_NEC_DDB_NAMES;
const char *mach_baget_names[] = GROUP_BAGET_NAMES;
+ const char *mach_cosine_names[] = GROUP_COSINE_NAMES;
+ const char *mach_galileo_names[] = GROUP_GALILEO_NAMES;
+ const char *mach_pmc_names[] = GROUP_PMC_NAMES;
const char **mach_group_to_name[] = { mach_unknown_names,
- mach_jazz_names,
- mach_dec_names,
- mach_arc_names,
- mach_sni_rm_names,
- mach_acn_names,
- mach_sgi_names,
- mach_cobalt_names,
- mach_nec_ddb_names,
- mach_baget_names };
+ mach_jazz_names, mach_dec_names, mach_arc_names,
+ mach_sni_rm_names, mach_acn_names, mach_sgi_names,
+ mach_cobalt_names, mach_nec_ddb_names, mach_baget_names,
+ mach_cosine_names, mach_galileo_names, mach_pmc_names };
unsigned int version = read_32bit_cp0_register(CP0_PRID);
int len;
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 08ceb6758..31f906ef2 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -96,7 +96,6 @@ struct kbd_ops *kbd_ops;
*
* These are initialized so they are in the .data section
*/
-unsigned long mips_memory_upper = KSEG0; /* this is set by kernel_entry() */
unsigned long mips_machtype = MACH_UNKNOWN;
unsigned long mips_machgroup = MACH_GROUP_UNKNOWN;
@@ -131,7 +130,7 @@ extern void sgi_sysinit(void);
extern void SetUpBootInfo(void);
extern void loadmmu(void);
extern asmlinkage void start_kernel(void);
-extern int prom_init(int, char **, char **, int *);
+extern void prom_init(int, char **, char **, int *);
static struct resource code_resource = { "Kernel code" };
static struct resource data_resource = { "Kernel data" };
@@ -254,9 +253,7 @@ static inline void cpu_probe(void)
case PRID_IMP_RM7000:
mips_cpu.cputype = CPU_RM7000;
mips_cpu.isa_level = MIPS_CPU_ISA_IV;
- mips_cpu.options = MIPS_CPU_TLB | MIPS_CPU_4KEX |
- MIPS_CPU_FPU | MIPS_CPU_32FPR |
- MIPS_CPU_COUNTER;
+ mips_cpu.options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR;
break;
case PRID_IMP_R8000:
mips_cpu.cputype = CPU_R8000;
@@ -308,7 +305,8 @@ static inline void cpu_probe(void)
}
}
-asmlinkage void __init init_arch(int argc, char **argv, char **envp, int *prom_vec)
+asmlinkage void __init
+init_arch(int argc, char **argv, char **envp, int *prom_vec)
{
unsigned int s;
@@ -334,12 +332,7 @@ asmlinkage void __init init_arch(int argc, char **argv, char **envp, int *prom_v
s |= ST0_CU0;
write_32bit_cp0_register(CP0_STATUS, s);
- /*
- * Main should never return here, but
- * just in case, we know what happens.
- */
- for(;;)
- start_kernel();
+ start_kernel();
}
static void __init default_irq_setup(void)
@@ -440,17 +433,17 @@ static inline void parse_mem_cmdline(void)
void __init setup_arch(char **cmdline_p)
{
+ void atlas_setup(void);
void baget_setup(void);
+ void ddb_setup(void);
void decstation_setup(void);
void deskstation_setup(void);
void jazz_setup(void);
void sni_rm200_pci_setup(void);
void sgi_setup(void);
- void ddb_setup(void);
- void orion_setup(void);
void ev96100_setup(void);
- void atlas_setup(void);
void malta_setup(void);
+ void cp7000_setup(void);
unsigned long bootmap_size;
unsigned long start_pfn, max_pfn;
@@ -500,6 +493,11 @@ void __init setup_arch(char **cmdline_p)
malta_setup();
break;
#endif
+#ifdef CONFIG_PMC_CP7000
+ case MACH_GROUP_PMC:
+ cp7000_setup();
+ break;
+#endif
#ifdef CONFIG_SGI_IP22
/* As of now this is only IP22. */
case MACH_GROUP_SGI:
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 27451eb37..1b1038c19 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -694,14 +694,15 @@ static inline void setup_dedicated_int(void)
*/
static inline void parity_protection_init(void)
{
- switch(mips_cpu.cputype)
- {
+ switch(mips_cpu.cputype) {
case CPU_5KC:
- /* Set the PE bit (bit 31) in the CP0_ECC register. */
- printk("Enable the cache parity protection for MIPS 5KC CPUs.\n");
- write_32bit_cp0_register(CP0_ECC, read_32bit_cp0_register(CP0_ECC)
- | 0x80000000);
- break;
+ /* Set the PE bit (bit 31) in the CP0_ECC register. */
+ printk(KERN_INFO "Enable the cache parity protection for "
+ "MIPS 5KC CPUs.\n");
+ write_32bit_cp0_register(CP0_ECC,
+ read_32bit_cp0_register(CP0_ECC)
+ | 0x80000000);
+ break;
default:
}
}
@@ -815,8 +816,8 @@ void __init trap_init(void)
/*
* Handling the following exceptions depends mostly of the cpu type
*/
- if((mips_cpu.options & MIPS_CPU_4KEX)
- && (mips_cpu.options & MIPS_CPU_4KTLB)) {
+ if ((mips_cpu.options & MIPS_CPU_4KEX)
+ && (mips_cpu.options & MIPS_CPU_4KTLB)) {
if(mips_cpu.cputype == CPU_NEVADA) {
memcpy((void *)KSEG0, &except_vec0_nevada, 0x80);
} else if (mips_cpu.cputype == CPU_R4600)
@@ -861,7 +862,6 @@ void __init trap_init(void)
case CPU_R6000A:
save_fp_context = _save_fp_context;
restore_fp_context = _restore_fp_context;
-#if 0
/*
* The R6000 is the only R-series CPU that features a machine
* check exception (similar to the R4000 cache error) and
@@ -870,9 +870,8 @@ void __init trap_init(void)
* current list of targets for Linux/MIPS.
* (Duh, crap, there is someone with a tripple R6k machine)
*/
- (void)set_except_vector(14, handle_mc);
- (void)set_except_vector(15, handle_ndc);
-#endif
+ //set_except_vector(14, handle_mc);
+ //set_except_vector(15, handle_ndc);
case CPU_R2000:
case CPU_R3000:
case CPU_R3000A:
diff --git a/arch/mips/mips-boards/generic/cmdline.c b/arch/mips/mips-boards/generic/cmdline.c
index b14650f41..d88f2dac1 100644
--- a/arch/mips/mips-boards/generic/cmdline.c
+++ b/arch/mips/mips-boards/generic/cmdline.c
@@ -2,25 +2,20 @@
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
*
- * ########################################################################
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
*
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
*
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * ########################################################################
- *
* Kernel command line creation using the prom monitor (YAMON) argc/argv.
- *
*/
#include <linux/config.h>
#include <linux/init.h>
@@ -28,8 +23,6 @@
#include <asm/bootinfo.h>
-/* #define DEBUG_CMDLINE */
-
extern int prom_argc;
extern char **prom_argv;
@@ -58,8 +51,4 @@ void __init prom_init_cmdline(void)
if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
--cp;
*cp = '\0';
-
-#ifdef DEBUG_CMDLINE
- prom_printf("prom_init_cmdline: %s\n", &(arcs_cmdline[0]));
-#endif
}
diff --git a/arch/mips/mips-boards/generic/init.c b/arch/mips/mips-boards/generic/init.c
index f5b71c020..9f8b4dd27 100644
--- a/arch/mips/mips-boards/generic/init.c
+++ b/arch/mips/mips-boards/generic/init.c
@@ -2,8 +2,6 @@
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
*
- * ########################################################################
- *
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
@@ -17,8 +15,6 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
- * ########################################################################
- *
* PROM library initialisation code.
*/
#include <linux/config.h>
@@ -31,9 +27,9 @@
/* Environment variable */
typedef struct
{
- char *name;
- char *val;
-}t_env_var;
+ char *name;
+ char *val;
+} t_env_var;
int prom_argc;
char **prom_argv, **prom_envp;
@@ -95,8 +91,7 @@ int get_ethernet_addr(char *ethernet_addr)
}
str2eaddr(ethernet_addr, ethaddr_str);
- if (init_debug > 1)
- {
+ if (init_debug > 1) {
int i;
printk("get_ethernet_addr: ");
for (i=0; i<5; i++)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 07:05:47 +0000