Merge git://git.denx.de/u-boot-x86

[oweals/u-boot.git] / arch / x86 / cpu / interrupts.c

diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c
index 6f3d85fab084eea52458dece8e63d5573bd46839..c777d3646fca7e1db142216b3449e737aba0752a 100644 (file)
--- a/arch/x86/cpu/interrupts.c
+++ b/arch/x86/cpu/interrupts.c
@@ -20,6 +20,7 @@
 #include <linux/compiler.h>
 #include <asm/msr.h>
 #include <asm/u-boot-x86.h>
+#include <asm/i8259.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -31,7 +32,7 @@ DECLARE_GLOBAL_DATA_PTR;
        "pushl $"#x"\n" \
        "jmp irq_common_entry\n"
 
-void dump_regs(struct irq_regs *regs)
+static void dump_regs(struct irq_regs *regs)
 {
        unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;
        unsigned long d0, d1, d2, d3, d6, d7;
@@ -128,9 +129,6 @@ int cpu_init_interrupts(void)
        int irq_entry_size = irq_1 - irq_0;
        void *irq_entry = (void *)irq_0;
 
-       /* Just in case... */
-       disable_interrupts();
-
        /* Setup the IDT */
        for (i = 0; i < 256; i++) {
                idt[i].access = 0x8e;
@@ -146,12 +144,14 @@ int cpu_init_interrupts(void)
 
        load_idt(&idt_ptr);
 
-       /* It is now safe to enable interrupts */
-       enable_interrupts();
-
        return 0;
 }
 
+void *x86_get_idt(void)
+{
+       return &idt_ptr;
+}
+
 void __do_irq(int irq)
 {
        printf("Unhandled IRQ : %d\n", irq);
@@ -172,6 +172,25 @@ int disable_interrupts(void)
        return flags & X86_EFLAGS_IF;
 }
 
+int interrupt_init(void)
+{
+       /* Just in case... */
+       disable_interrupts();
+
+#ifdef CONFIG_SYS_PCAT_INTERRUPTS
+       /* Initialize the master/slave i8259 pic */
+       i8259_init();
+#endif
+
+       /* Initialize core interrupt and exception functionality of CPU */
+       cpu_init_interrupts();
+
+       /* It is now safe to enable interrupts */
+       enable_interrupts();
+
+       return 0;
+}
+
 /* IRQ Low-Level Service Routine */
 void irq_llsr(struct irq_regs *regs)
 {
@@ -603,31 +622,3 @@ asm(".globl irq_common_entry\n" \
        DECLARE_INTERRUPT(253) \
        DECLARE_INTERRUPT(254) \
        DECLARE_INTERRUPT(255));
-
-#if defined(CONFIG_INTEL_CORE_ARCH)
-/*
- * Get the number of CPU time counter ticks since it was read first time after
- * restart. This yields a free running counter guaranteed to take almost 6
- * years to wrap around even at 100GHz clock rate.
- */
-u64 get_ticks(void)
-{
-       u64 now_tick = rdtsc();
-
-       if (!gd->arch.tsc_base)
-               gd->arch.tsc_base = now_tick;
-
-       return now_tick - gd->arch.tsc_base;
-}
-
-#define PLATFORM_INFO_MSR 0xce
-
-unsigned long get_tbclk(void)
-{
-       u32 ratio;
-       u64 platform_info = native_read_msr(PLATFORM_INFO_MSR);
-
-       ratio = (platform_info >> 8) & 0xff;
-       return 100 * 1000 * 1000 * ratio; /* 100MHz times Max Non Turbo ratio */
-}
-#endif