+--- /dev/null
++++ b/arch/mips/include/asm/mips_machine.h
+@@ -0,0 +1,54 @@
++/*
++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ *
++ */
++
++#ifndef __ASM_MIPS_MACHINE_H
++#define __ASM_MIPS_MACHINE_H
++
++#include <linux/init.h>
++#include <linux/list.h>
++
++#include <asm/bootinfo.h>
++
++struct mips_machine {
++ unsigned long mach_type;
++ const char *mach_id;
++ const char *mach_name;
++ void (*mach_setup)(void);
++};
++
++#define MIPS_MACHINE(_type, _id, _name, _setup) \
++static const char machine_name_##_type[] __initconst \
++ __aligned(1) = _name; \
++static const char machine_id_##_type[] __initconst \
++ __aligned(1) = _id; \
++static struct mips_machine machine_##_type \
++ __used __section(.mips.machines.init) = \
++{ \
++ .mach_type = _type, \
++ .mach_id = machine_id_##_type, \
++ .mach_name = machine_name_##_type, \
++ .mach_setup = _setup, \
++};
++
++extern long __mips_machines_start;
++extern long __mips_machines_end;
++
++#ifdef CONFIG_MIPS_MACHINE
++int mips_machtype_setup(char *id) __init;
++void mips_machine_setup(void) __init;
++void mips_set_machine_name(const char *name) __init;
++char *mips_get_machine_name(void);
++#else
++static inline int mips_machtype_setup(char *id) { return 1; }
++static inline void mips_machine_setup(void) { }
++static inline void mips_set_machine_name(const char *name) { }
++static inline char *mips_get_machine_name(void) { return NULL; }
++#endif /* CONFIG_MIPS_MACHINE */
++
++#endif /* __ASM_MIPS_MACHINE_H */
+--- /dev/null
++++ b/arch/mips/kernel/mips_machine.c
+@@ -0,0 +1,86 @@
++/*
++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ *
++ */
++#include <linux/mm.h>
++#include <linux/string.h>
++#include <linux/slab.h>
++
++#include <asm/mips_machine.h>
++
++static struct mips_machine *mips_machine __initdata;
++static char *mips_machine_name = "Unknown";
++
++#define for_each_machine(mach) \
++ for ((mach) = (struct mips_machine *)&__mips_machines_start; \
++ (mach) && \
++ (unsigned long)(mach) < (unsigned long)&__mips_machines_end; \
++ (mach)++)
++
++__init void mips_set_machine_name(const char *name)
++{
++ char *p;
++
++ if (name == NULL)
++ return;
++
++ p = kstrdup(name, GFP_KERNEL);
++ if (!p)
++ pr_err("MIPS: no memory for machine_name\n");
++
++ mips_machine_name = p;
++}
++
++char *mips_get_machine_name(void)
++{
++ return mips_machine_name;
++}
++
++__init int mips_machtype_setup(char *id)
++{
++ struct mips_machine *mach;
++
++ for_each_machine(mach) {
++ if (mach->mach_id == NULL)
++ continue;
++
++ if (strcmp(mach->mach_id, id) == 0) {
++ mips_machtype = mach->mach_type;
++ return 0;
++ }
++ }
++
++ pr_err("MIPS: no machine found for id '%s', supported machines:\n", id);
++ pr_err("%-24s : %s\n", "id", "name");
++ for_each_machine(mach)
++ pr_err("%-24s : %s\n", mach->mach_id, mach->mach_name);
++
++ return 1;
++}
++
++__setup("machtype=", mips_machtype_setup);
++
++__init void mips_machine_setup(void)
++{
++ struct mips_machine *mach;
++
++ for_each_machine(mach) {
++ if (mips_machtype == mach->mach_type) {
++ mips_machine = mach;
++ break;
++ }
++ }
++
++ if (!mips_machine)
++ return;
++
++ mips_set_machine_name(mips_machine->mach_name);
++ pr_info("MIPS: machine is %s\n", mips_machine_name);
++
++ if (mips_machine->mach_setup)
++ mips_machine->mach_setup();
++}
+--- a/arch/mips/kernel/Makefile
++++ b/arch/mips/kernel/Makefile
+@@ -95,6 +95,7 @@ obj-$(CONFIG_GPIO_TXX9) += gpio_txx9.o
+ obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
+ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+ obj-$(CONFIG_SPINLOCK_TEST) += spinlock_test.o
++obj-$(CONFIG_MIPS_MACHINE) += mips_machine.o
+
+ obj-$(CONFIG_OF) += prom.o
+
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -883,6 +883,9 @@ config MIPS_DISABLE_OBSOLETE_IDE
+ config SYNC_R4K
+ bool
+
++config MIPS_MACHINE
++ def_bool n
++
+ config NO_IOPORT
+ def_bool n
+
+--- a/arch/mips/kernel/proc.c
++++ b/arch/mips/kernel/proc.c
+@@ -12,6 +12,7 @@
+ #include <asm/cpu-features.h>
+ #include <asm/mipsregs.h>
+ #include <asm/processor.h>
++#include <asm/mips_machine.h>
+
+ unsigned int vced_count, vcei_count;
+
+@@ -31,8 +32,12 @@ static int show_cpuinfo(struct seq_file
+ /*
+ * For the first processor also print the system type
+ */
+- if (n == 0)
++ if (n == 0) {
+ seq_printf(m, "system type\t\t: %s\n", get_system_type());
++ if (mips_get_machine_name())
++ seq_printf(m, "machine\t\t\t: %s\n",
++ mips_get_machine_name());
++ }
+
+ seq_printf(m, "processor\t\t: %ld\n", n);
+ sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
+--- a/arch/mips/kernel/vmlinux.lds.S
++++ b/arch/mips/kernel/vmlinux.lds.S
+@@ -98,6 +98,13 @@ SECTIONS
+ INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_DATA_SECTION(16)
+
++ . = ALIGN(4);
++ .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
++ __mips_machines_start = .;
++ *(.mips.machines.init)
++ __mips_machines_end = .;
++ }
++
+ /* .exit.text is discarded at runtime, not link time, to deal with
+ * references from .rodata
+ */
projects / openwrt.git / blobdiff