diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.34/020-mips_multi_machine_support.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.34/020-mips_multi_machine_support.patch | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.34/020-mips_multi_machine_support.patch b/target/linux/generic-2.6/patches-2.6.34/020-mips_multi_machine_support.patch new file mode 100644 index 0000000..738eb65 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.34/020-mips_multi_machine_support.patch @@ -0,0 +1,173 @@ +--- /dev/null ++++ b/arch/mips/include/asm/mips_machine.h +@@ -0,0 +1,47 @@ ++/* ++ * Copyright (C) 2008-2009 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> ++ ++struct mips_machine { ++ unsigned long mach_type; ++ void (*mach_setup)(void); ++ char *mach_name; ++ struct list_head list; ++}; ++ ++void mips_machine_register(struct mips_machine *) __init; ++void mips_machine_setup(unsigned long machtype) __init; ++void mips_machine_set_name(char *name) __init; ++ ++extern char *mips_machine_name; ++ ++#define MIPS_MACHINE(_type, _name, _setup) \ ++static char machine_name_##_type[] __initdata = _name; \ ++static struct mips_machine machine_##_type __initdata = \ ++{ \ ++ .mach_type = _type, \ ++ .mach_name = machine_name_##_type, \ ++ .mach_setup = _setup, \ ++}; \ ++ \ ++static int __init register_machine_##_type(void) \ ++{ \ ++ mips_machine_register(&machine_##_type); \ ++ return 0; \ ++} \ ++ \ ++pure_initcall(register_machine_##_type) ++ ++#endif /* __ASM_MIPS_MACHINE_H */ ++ +--- /dev/null ++++ b/arch/mips/kernel/mips_machine.c +@@ -0,0 +1,74 @@ ++/* ++ * Copyright (C) 2008-2009 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 <asm/mips_machine.h> ++#include <asm/bootinfo.h> ++ ++static struct list_head mips_machines __initdata = ++ LIST_HEAD_INIT(mips_machines); ++ ++char *mips_machine_name = "Unknown"; ++ ++static struct mips_machine * __init mips_machine_find(unsigned long machtype) ++{ ++ struct list_head *this; ++ ++ list_for_each(this, &mips_machines) { ++ struct mips_machine *mach; ++ ++ mach = list_entry(this, struct mips_machine, list); ++ if (mach->mach_type == machtype) ++ return mach; ++ } ++ ++ return NULL; ++} ++ ++void __init mips_machine_register(struct mips_machine *mach) ++{ ++ list_add_tail(&mach->list, &mips_machines); ++} ++ ++void __init mips_machine_set_name(char *name) ++{ ++ unsigned int len; ++ char *p; ++ ++ if (name == NULL) ++ return; ++ ++ len = strlen(name); ++ p = kmalloc(len + 1, GFP_KERNEL); ++ if (p) { ++ strncpy(p, name, len); ++ p[len] = '\0'; ++ mips_machine_name = p; ++ } else { ++ printk(KERN_WARNING "MIPS: no memory for machine_name\n"); ++ } ++} ++ ++void __init mips_machine_setup(unsigned long machtype) ++{ ++ struct mips_machine *mach; ++ ++ mach = mips_machine_find(machtype); ++ if (!mach) { ++ printk(KERN_ALERT "MIPS: no machine registered for " ++ "machtype %lu\n", machtype); ++ return; ++ } ++ ++ mips_machine_set_name(mach->mach_name); ++ printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name); ++ ++ if (mach->mach_setup) ++ mach->mach_setup(); ++} +--- a/arch/mips/kernel/Makefile ++++ b/arch/mips/kernel/Makefile +@@ -94,6 +94,7 @@ + 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 + + CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -851,6 +851,9 @@ 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()); ++#ifdef CONFIG_MIPS_MACHINE ++ seq_printf(m, "machine\t\t\t: %s\n", mips_machine_name); ++#endif ++ } + + seq_printf(m, "processor\t\t: %ld\n", n); + sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n", |