diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/sparc/prom/p1275.c')
-rw-r--r-- | ANDROID_3.4.5/arch/sparc/prom/p1275.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/prom/p1275.c b/ANDROID_3.4.5/arch/sparc/prom/p1275.c deleted file mode 100644 index 04a45405..00000000 --- a/ANDROID_3.4.5/arch/sparc/prom/p1275.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * p1275.c: Sun IEEE 1275 PROM low level interface routines - * - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/smp.h> -#include <linux/string.h> -#include <linux/spinlock.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <asm/spitfire.h> -#include <asm/pstate.h> -#include <asm/ldc.h> - -struct { - long prom_callback; /* 0x00 */ - void (*prom_cif_handler)(long *); /* 0x08 */ - unsigned long prom_cif_stack; /* 0x10 */ -} p1275buf; - -extern void prom_world(int); - -extern void prom_cif_direct(unsigned long *args); -extern void prom_cif_callback(void); - -/* - * This provides SMP safety on the p1275buf. - */ -DEFINE_RAW_SPINLOCK(prom_entry_lock); - -void p1275_cmd_direct(unsigned long *args) -{ - unsigned long flags; - - raw_local_save_flags(flags); - raw_local_irq_restore((unsigned long)PIL_NMI); - raw_spin_lock(&prom_entry_lock); - - prom_world(1); - prom_cif_direct(args); - prom_world(0); - - raw_spin_unlock(&prom_entry_lock); - raw_local_irq_restore(flags); -} - -void prom_cif_init(void *cif_handler, void *cif_stack) -{ - p1275buf.prom_cif_handler = (void (*)(long *))cif_handler; - p1275buf.prom_cif_stack = (unsigned long)cif_stack; -} |