diff options
Diffstat (limited to 'target/linux/ar71xx/patches/900-mips_multi_machine_support.patch')
| -rw-r--r-- | target/linux/ar71xx/patches/900-mips_multi_machine_support.patch | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches/900-mips_multi_machine_support.patch b/target/linux/ar71xx/patches/900-mips_multi_machine_support.patch new file mode 100644 index 000000000..8932ba620 --- /dev/null +++ b/target/linux/ar71xx/patches/900-mips_multi_machine_support.patch @@ -0,0 +1,143 @@ +--- /dev/null ++++ b/include/asm-mips/mips_machine.h +@@ -0,0 +1,49 @@ ++/* ++ * Copyright (C) 2008 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> ++ ++#define MIPS_MACHINE_NAME_LEN 64 ++ ++struct mips_machine { ++ unsigned long mach_type; ++ void (*mach_setup)(void); ++ unsigned char mach_name[MIPS_MACHINE_NAME_LEN]; ++ struct list_head list; ++}; ++ ++void mips_machine_register(struct mips_machine *) __init; ++void mips_machine_setup(void) __init; ++ ++extern unsigned char mips_machine_name[MIPS_MACHINE_NAME_LEN]; ++ ++#define MIPS_MACHINE(_type, _name, _setup) \ ++static struct mips_machine machine_##_type __initdata = \ ++{ \ ++ .mach_type = _type, \ ++ .mach_name = _name, \ ++ .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 +1,58 @@ ++/* ++ * Copyright (C) 2008 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 <asm/mips_machine.h> ++#include <asm/bootinfo.h> ++ ++static struct list_head mips_machines __initdata = ++ LIST_HEAD_INIT(mips_machines); ++ ++unsigned char mips_machine_name[MIPS_MACHINE_NAME_LEN] = "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_setup(void) ++{ ++ struct mips_machine *mach; ++ ++ mach = mips_machine_find(mips_machtype); ++ if (!mach) { ++ printk(KERN_ALERT "MIPS: no machine registered for " ++ "machtype %lu\n", mips_machtype); ++ return; ++ } ++ ++ if (mach->mach_name[0]) ++ strncpy(mips_machine_name, mach->mach_name, ++ MIPS_MACHINE_NAME_LEN); ++ ++ 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 +@@ -79,6 +79,7 @@ + + obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o + obj-$(CONFIG_EARLY_PRINTK) += early_printk.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 +@@ -700,6 +700,7 @@ + + endchoice + ++source "arch/mips/ar71xx/Kconfig" + source "arch/mips/au1000/Kconfig" + source "arch/mips/basler/excite/Kconfig" + source "arch/mips/jazz/Kconfig" +@@ -857,6 +858,9 @@ + config MIPS_DISABLE_OBSOLETE_IDE + bool + ++config MIPS_MACHINE ++ def_bool n ++ + config NO_IOPORT + def_bool n + |