diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:16:48 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:16:48 +0200 |
commit | d629e03b64c469245ceb07d05460e1e2eefa7585 (patch) | |
tree | c0bac5206be0875305856a4a9e23631856abfa06 /arch/i386/mach-default | |
parent | ad757b6aa5801b81dec609d87753604a06313c53 (diff) |
i386: move mach-default
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/i386/mach-default')
-rw-r--r-- | arch/i386/mach-default/Makefile | 5 | ||||
-rw-r--r-- | arch/i386/mach-default/setup.c | 180 |
2 files changed, 0 insertions, 185 deletions
diff --git a/arch/i386/mach-default/Makefile b/arch/i386/mach-default/Makefile deleted file mode 100644 index 012fe34459e..00000000000 --- a/arch/i386/mach-default/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the linux kernel. -# - -obj-y := setup.o diff --git a/arch/i386/mach-default/setup.c b/arch/i386/mach-default/setup.c deleted file mode 100644 index 7f635c7a238..00000000000 --- a/arch/i386/mach-default/setup.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * Machine specific setup for generic - */ - -#include <linux/smp.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <asm/acpi.h> -#include <asm/arch_hooks.h> -#include <asm/e820.h> -#include <asm/setup.h> - -#ifdef CONFIG_HOTPLUG_CPU -#define DEFAULT_SEND_IPI (1) -#else -#define DEFAULT_SEND_IPI (0) -#endif - -int no_broadcast=DEFAULT_SEND_IPI; - -/** - * pre_intr_init_hook - initialisation prior to setting up interrupt vectors - * - * Description: - * Perform any necessary interrupt initialisation prior to setting up - * the "ordinary" interrupt call gates. For legacy reasons, the ISA - * interrupts should be initialised here if the machine emulates a PC - * in any way. - **/ -void __init pre_intr_init_hook(void) -{ - init_ISA_irqs(); -} - -/* - * IRQ2 is cascade interrupt to second interrupt controller - */ -static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL}; - -/** - * intr_init_hook - post gate setup interrupt initialisation - * - * Description: - * Fill in any interrupts that may have been left out by the general - * init_IRQ() routine. interrupts having to do with the machine rather - * than the devices on the I/O bus (like APIC interrupts in intel MP - * systems) are started here. - **/ -void __init intr_init_hook(void) -{ -#ifdef CONFIG_X86_LOCAL_APIC - apic_intr_init(); -#endif - - if (!acpi_ioapic) - setup_irq(2, &irq2); -} - -/** - * pre_setup_arch_hook - hook called prior to any setup_arch() execution - * - * Description: - * generally used to activate any machine specific identification - * routines that may be needed before setup_arch() runs. On VISWS - * this is used to get the board revision and type. - **/ -void __init pre_setup_arch_hook(void) -{ -} - -/** - * trap_init_hook - initialise system specific traps - * - * Description: - * Called as the final act of trap_init(). Used in VISWS to initialise - * the various board specific APIC traps. - **/ -void __init trap_init_hook(void) -{ -} - -static struct irqaction irq0 = { - .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, - .mask = CPU_MASK_NONE, - .name = "timer" -}; - -/** - * time_init_hook - do any specific initialisations for the system timer. - * - * Description: - * Must plug the system timer interrupt source at HZ into the IRQ listed - * in irq_vectors.h:TIMER_IRQ - **/ -void __init time_init_hook(void) -{ - irq0.mask = cpumask_of_cpu(0); - setup_irq(0, &irq0); -} - -#ifdef CONFIG_MCA -/** - * mca_nmi_hook - hook into MCA specific NMI chain - * - * Description: - * The MCA (Microchannel Arcitecture) has an NMI chain for NMI sources - * along the MCA bus. Use this to hook into that chain if you will need - * it. - **/ -void mca_nmi_hook(void) -{ - /* If I recall correctly, there's a whole bunch of other things that - * we can do to check for NMI problems, but that's all I know about - * at the moment. - */ - - printk("NMI generated from unknown source!\n"); -} -#endif - -static __init int no_ipi_broadcast(char *str) -{ - get_option(&str, &no_broadcast); - printk ("Using %s mode\n", no_broadcast ? "No IPI Broadcast" : - "IPI Broadcast"); - return 1; -} - -__setup("no_ipi_broadcast", no_ipi_broadcast); - -static int __init print_ipi_mode(void) -{ - printk ("Using IPI %s mode\n", no_broadcast ? "No-Shortcut" : - "Shortcut"); - return 0; -} - -late_initcall(print_ipi_mode); - -/** - * machine_specific_memory_setup - Hook for machine specific memory setup. - * - * Description: - * This is included late in kernel/setup.c so that it can make - * use of all of the static functions. - **/ - -char * __init machine_specific_memory_setup(void) -{ - char *who; - - - who = "BIOS-e820"; - - /* - * Try to copy the BIOS-supplied E820-map. - * - * Otherwise fake a memory map; one section from 0k->640k, - * the next section from 1mb->appropriate_mem_k - */ - sanitize_e820_map(E820_MAP, &E820_MAP_NR); - if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) { - unsigned long mem_size; - - /* compare results from other methods and take the greater */ - if (ALT_MEM_K < EXT_MEM_K) { - mem_size = EXT_MEM_K; - who = "BIOS-88"; - } else { - mem_size = ALT_MEM_K; - who = "BIOS-e801"; - } - - e820.nr_map = 0; - add_memory_region(0, LOWMEMSIZE(), E820_RAM); - add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM); - } - return who; -} |