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Diffstat (limited to 'ANDROID_3.4.5/arch/alpha/kernel/irq_alpha.c')
-rw-r--r--ANDROID_3.4.5/arch/alpha/kernel/irq_alpha.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/ANDROID_3.4.5/arch/alpha/kernel/irq_alpha.c b/ANDROID_3.4.5/arch/alpha/kernel/irq_alpha.c
deleted file mode 100644
index 772ddfdb..00000000
--- a/ANDROID_3.4.5/arch/alpha/kernel/irq_alpha.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Alpha specific irq code.
- */
-
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/irq.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-
-#include <asm/machvec.h>
-#include <asm/dma.h>
-#include <asm/perf_event.h>
-#include <asm/mce.h>
-
-#include "proto.h"
-#include "irq_impl.h"
-
-/* Hack minimum IPL during interrupt processing for broken hardware. */
-#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK
-int __min_ipl;
-EXPORT_SYMBOL(__min_ipl);
-#endif
-
-/*
- * Performance counter hook. A module can override this to
- * do something useful.
- */
-static void
-dummy_perf(unsigned long vector, struct pt_regs *regs)
-{
- irq_err_count++;
- printk(KERN_CRIT "Performance counter interrupt!\n");
-}
-
-void (*perf_irq)(unsigned long, struct pt_regs *) = dummy_perf;
-EXPORT_SYMBOL(perf_irq);
-
-/*
- * The main interrupt entry point.
- */
-
-asmlinkage void
-do_entInt(unsigned long type, unsigned long vector,
- unsigned long la_ptr, struct pt_regs *regs)
-{
- struct pt_regs *old_regs;
- switch (type) {
- case 0:
-#ifdef CONFIG_SMP
- handle_ipi(regs);
- return;
-#else
- irq_err_count++;
- printk(KERN_CRIT "Interprocessor interrupt? "
- "You must be kidding!\n");
-#endif
- break;
- case 1:
- old_regs = set_irq_regs(regs);
-#ifdef CONFIG_SMP
- {
- long cpu;
-
- local_irq_disable();
- smp_percpu_timer_interrupt(regs);
- cpu = smp_processor_id();
- if (cpu != boot_cpuid) {
- kstat_incr_irqs_this_cpu(RTC_IRQ, irq_to_desc(RTC_IRQ));
- } else {
- handle_irq(RTC_IRQ);
- }
- }
-#else
- handle_irq(RTC_IRQ);
-#endif
- set_irq_regs(old_regs);
- return;
- case 2:
- old_regs = set_irq_regs(regs);
- alpha_mv.machine_check(vector, la_ptr);
- set_irq_regs(old_regs);
- return;
- case 3:
- old_regs = set_irq_regs(regs);
- alpha_mv.device_interrupt(vector);
- set_irq_regs(old_regs);
- return;
- case 4:
- perf_irq(la_ptr, regs);
- return;
- default:
- printk(KERN_CRIT "Hardware intr %ld %lx? Huh?\n",
- type, vector);
- }
- printk(KERN_CRIT "PC = %016lx PS=%04lx\n", regs->pc, regs->ps);
-}
-
-void __init
-common_init_isa_dma(void)
-{
- outb(0, DMA1_RESET_REG);
- outb(0, DMA2_RESET_REG);
- outb(0, DMA1_CLR_MASK_REG);
- outb(0, DMA2_CLR_MASK_REG);
-}
-
-void __init
-init_IRQ(void)
-{
- /* Just in case the platform init_irq() causes interrupts/mchecks
- (as is the case with RAWHIDE, at least). */
- wrent(entInt, 0);
-
- alpha_mv.init_irq();
-}
-
-/*
- * machine error checks
- */
-#define MCHK_K_TPERR 0x0080
-#define MCHK_K_TCPERR 0x0082
-#define MCHK_K_HERR 0x0084
-#define MCHK_K_ECC_C 0x0086
-#define MCHK_K_ECC_NC 0x0088
-#define MCHK_K_OS_BUGCHECK 0x008A
-#define MCHK_K_PAL_BUGCHECK 0x0090
-
-#ifndef CONFIG_SMP
-struct mcheck_info __mcheck_info;
-#endif
-
-void
-process_mcheck_info(unsigned long vector, unsigned long la_ptr,
- const char *machine, int expected)
-{
- struct el_common *mchk_header;
- const char *reason;
-
- /*
- * See if the machine check is due to a badaddr() and if so,
- * ignore it.
- */
-
-#ifdef CONFIG_VERBOSE_MCHECK
- if (alpha_verbose_mcheck > 1) {
- printk(KERN_CRIT "%s machine check %s\n", machine,
- expected ? "expected." : "NOT expected!!!");
- }
-#endif
-
- if (expected) {
- int cpu = smp_processor_id();
- mcheck_expected(cpu) = 0;
- mcheck_taken(cpu) = 1;
- return;
- }
-
- mchk_header = (struct el_common *)la_ptr;
-
- printk(KERN_CRIT "%s machine check: vector=0x%lx pc=0x%lx code=0x%x\n",
- machine, vector, get_irq_regs()->pc, mchk_header->code);
-
- switch (mchk_header->code) {
- /* Machine check reasons. Defined according to PALcode sources. */
- case 0x80: reason = "tag parity error"; break;
- case 0x82: reason = "tag control parity error"; break;
- case 0x84: reason = "generic hard error"; break;
- case 0x86: reason = "correctable ECC error"; break;
- case 0x88: reason = "uncorrectable ECC error"; break;
- case 0x8A: reason = "OS-specific PAL bugcheck"; break;
- case 0x90: reason = "callsys in kernel mode"; break;
- case 0x96: reason = "i-cache read retryable error"; break;
- case 0x98: reason = "processor detected hard error"; break;
-
- /* System specific (these are for Alcor, at least): */
- case 0x202: reason = "system detected hard error"; break;
- case 0x203: reason = "system detected uncorrectable ECC error"; break;
- case 0x204: reason = "SIO SERR occurred on PCI bus"; break;
- case 0x205: reason = "parity error detected by core logic"; break;
- case 0x206: reason = "SIO IOCHK occurred on ISA bus"; break;
- case 0x207: reason = "non-existent memory error"; break;
- case 0x208: reason = "MCHK_K_DCSR"; break;
- case 0x209: reason = "PCI SERR detected"; break;
- case 0x20b: reason = "PCI data parity error detected"; break;
- case 0x20d: reason = "PCI address parity error detected"; break;
- case 0x20f: reason = "PCI master abort error"; break;
- case 0x211: reason = "PCI target abort error"; break;
- case 0x213: reason = "scatter/gather PTE invalid error"; break;
- case 0x215: reason = "flash ROM write error"; break;
- case 0x217: reason = "IOA timeout detected"; break;
- case 0x219: reason = "IOCHK#, EISA add-in board parity or other catastrophic error"; break;
- case 0x21b: reason = "EISA fail-safe timer timeout"; break;
- case 0x21d: reason = "EISA bus time-out"; break;
- case 0x21f: reason = "EISA software generated NMI"; break;
- case 0x221: reason = "unexpected ev5 IRQ[3] interrupt"; break;
- default: reason = "unknown"; break;
- }
-
- printk(KERN_CRIT "machine check type: %s%s\n",
- reason, mchk_header->retry ? " (retryable)" : "");
-
- dik_show_regs(get_irq_regs(), NULL);
-
-#ifdef CONFIG_VERBOSE_MCHECK
- if (alpha_verbose_mcheck > 1) {
- /* Dump the logout area to give all info. */
- unsigned long *ptr = (unsigned long *)la_ptr;
- long i;
- for (i = 0; i < mchk_header->size / sizeof(long); i += 2) {
- printk(KERN_CRIT " +%8lx %016lx %016lx\n",
- i*sizeof(long), ptr[i], ptr[i+1]);
- }
- }
-#endif /* CONFIG_VERBOSE_MCHECK */
-}
-
-/*
- * The special RTC interrupt type. The interrupt itself was
- * processed by PALcode, and comes in via entInt vector 1.
- */
-
-struct irqaction timer_irqaction = {
- .handler = timer_interrupt,
- .flags = IRQF_DISABLED,
- .name = "timer",
-};
-
-void __init
-init_rtc_irq(void)
-{
- irq_set_chip_and_handler_name(RTC_IRQ, &dummy_irq_chip,
- handle_simple_irq, "RTC");
- setup_irq(RTC_IRQ, &timer_irqaction);
-}
-
-/* Dummy irqactions. */
-struct irqaction isa_cascade_irqaction = {
- .handler = no_action,
- .name = "isa-cascade"
-};
-
-struct irqaction timer_cascade_irqaction = {
- .handler = no_action,
- .name = "timer-cascade"
-};
-
-struct irqaction halt_switch_irqaction = {
- .handler = no_action,
- .name = "halt-switch"
-};