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Diffstat (limited to 'arch/blackfin/include/asm/ipipe.h')
| -rw-r--r-- | arch/blackfin/include/asm/ipipe.h | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h deleted file mode 100644 index fe1160fbff91..000000000000 --- a/arch/blackfin/include/asm/ipipe.h +++ /dev/null @@ -1,209 +0,0 @@ -/* -*- linux-c -*- - * include/asm-blackfin/ipipe.h - * - * Copyright (C) 2002-2007 Philippe Gerum. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __ASM_BLACKFIN_IPIPE_H -#define __ASM_BLACKFIN_IPIPE_H - -#ifdef CONFIG_IPIPE - -#include <linux/cpumask.h> -#include <linux/list.h> -#include <linux/threads.h> -#include <linux/irq.h> -#include <linux/ipipe_percpu.h> -#include <asm/ptrace.h> -#include <asm/irq.h> -#include <asm/bitops.h> -#include <linux/atomic.h> -#include <asm/traps.h> -#include <asm/bitsperlong.h> - -#define IPIPE_ARCH_STRING "1.16-01" -#define IPIPE_MAJOR_NUMBER 1 -#define IPIPE_MINOR_NUMBER 16 -#define IPIPE_PATCH_NUMBER 1 - -#ifdef CONFIG_SMP -#error "I-pipe/blackfin: SMP not implemented" -#else /* !CONFIG_SMP */ -#define ipipe_processor_id() 0 -#endif /* CONFIG_SMP */ - -#define prepare_arch_switch(next) \ -do { \ - ipipe_schedule_notify(current, next); \ - hard_local_irq_disable(); \ -} while (0) - -#define task_hijacked(p) \ - ({ \ - int __x__ = __ipipe_root_domain_p; \ - if (__x__) \ - hard_local_irq_enable(); \ - !__x__; \ - }) - -struct ipipe_domain; - -struct ipipe_sysinfo { - int sys_nr_cpus; /* Number of CPUs on board */ - int sys_hrtimer_irq; /* hrtimer device IRQ */ - u64 sys_hrtimer_freq; /* hrtimer device frequency */ - u64 sys_hrclock_freq; /* hrclock device frequency */ - u64 sys_cpu_freq; /* CPU frequency (Hz) */ -}; - -#define ipipe_read_tsc(t) \ - ({ \ - unsigned long __cy2; \ - __asm__ __volatile__ ("1: %0 = CYCLES2\n" \ - "%1 = CYCLES\n" \ - "%2 = CYCLES2\n" \ - "CC = %2 == %0\n" \ - "if ! CC jump 1b\n" \ - : "=d,a" (((unsigned long *)&t)[1]), \ - "=d,a" (((unsigned long *)&t)[0]), \ - "=d,a" (__cy2) \ - : /*no input*/ : "CC"); \ - t; \ - }) - -#define ipipe_cpu_freq() __ipipe_core_clock -#define ipipe_tsc2ns(_t) (((unsigned long)(_t)) * __ipipe_freq_scale) -#define ipipe_tsc2us(_t) (ipipe_tsc2ns(_t) / 1000 + 1) - -/* Private interface -- Internal use only */ - -#define __ipipe_check_platform() do { } while (0) - -#define __ipipe_init_platform() do { } while (0) - -extern atomic_t __ipipe_irq_lvdepth[IVG15 + 1]; - -extern unsigned long __ipipe_irq_lvmask; - -extern struct ipipe_domain ipipe_root; - -/* enable/disable_irqdesc _must_ be used in pairs. */ - -void __ipipe_enable_irqdesc(struct ipipe_domain *ipd, - unsigned irq); - -void __ipipe_disable_irqdesc(struct ipipe_domain *ipd, - unsigned irq); - -#define __ipipe_enable_irq(irq) \ - do { \ - struct irq_desc *desc = irq_to_desc(irq); \ - struct irq_chip *chip = get_irq_desc_chip(desc); \ - chip->irq_unmask(&desc->irq_data); \ - } while (0) - -#define __ipipe_disable_irq(irq) \ - do { \ - struct irq_desc *desc = irq_to_desc(irq); \ - struct irq_chip *chip = get_irq_desc_chip(desc); \ - chip->irq_mask(&desc->irq_data); \ - } while (0) - -static inline int __ipipe_check_tickdev(const char *devname) -{ - return 1; -} - -void __ipipe_enable_pipeline(void); - -#define __ipipe_hook_critical_ipi(ipd) do { } while (0) - -void ___ipipe_sync_pipeline(void); - -void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs); - -int __ipipe_get_irq_priority(unsigned int irq); - -void __ipipe_serial_debug(const char *fmt, ...); - -asmlinkage void __ipipe_call_irqtail(unsigned long addr); - -DECLARE_PER_CPU(struct pt_regs, __ipipe_tick_regs); - -extern unsigned long __ipipe_core_clock; - -extern unsigned long __ipipe_freq_scale; - -extern unsigned long __ipipe_irq_tail_hook; - -static inline unsigned long __ipipe_ffnz(unsigned long ul) -{ - return ffs(ul) - 1; -} - -#define __ipipe_do_root_xirq(ipd, irq) \ - ((ipd)->irqs[irq].handler(irq, raw_cpu_ptr(&__ipipe_tick_regs))) - -#define __ipipe_run_irqtail(irq) /* Must be a macro */ \ - do { \ - unsigned long __pending; \ - CSYNC(); \ - __pending = bfin_read_IPEND(); \ - if (__pending & 0x8000) { \ - __pending &= ~0x8010; \ - if (__pending && (__pending & (__pending - 1)) == 0) \ - __ipipe_call_irqtail(__ipipe_irq_tail_hook); \ - } \ - } while (0) - -#define __ipipe_syscall_watched_p(p, sc) \ - (ipipe_notifier_enabled_p(p) || (unsigned long)sc >= NR_syscalls) - -#ifdef CONFIG_BF561 -#define bfin_write_TIMER_DISABLE(val) bfin_write_TMRS8_DISABLE(val) -#define bfin_write_TIMER_ENABLE(val) bfin_write_TMRS8_ENABLE(val) -#define bfin_write_TIMER_STATUS(val) bfin_write_TMRS8_STATUS(val) -#define bfin_read_TIMER_STATUS() bfin_read_TMRS8_STATUS() -#elif defined(CONFIG_BF54x) -#define bfin_write_TIMER_DISABLE(val) bfin_write_TIMER_DISABLE0(val) -#define bfin_write_TIMER_ENABLE(val) bfin_write_TIMER_ENABLE0(val) -#define bfin_write_TIMER_STATUS(val) bfin_write_TIMER_STATUS0(val) -#define bfin_read_TIMER_STATUS(val) bfin_read_TIMER_STATUS0(val) -#endif - -#define __ipipe_root_tick_p(regs) ((regs->ipend & 0x10) != 0) - -#else /* !CONFIG_IPIPE */ - -#define task_hijacked(p) 0 -#define ipipe_trap_notify(t, r) 0 -#define __ipipe_root_tick_p(regs) 1 - -#endif /* !CONFIG_IPIPE */ - -#ifdef CONFIG_TICKSOURCE_CORETMR -#define IRQ_SYSTMR IRQ_CORETMR -#define IRQ_PRIOTMR IRQ_CORETMR -#else -#define IRQ_SYSTMR IRQ_TIMER0 -#define IRQ_PRIOTMR CONFIG_IRQ_TIMER0 -#endif - -#define ipipe_update_tick_evtdev(evtdev) do { } while (0) - -#endif /* !__ASM_BLACKFIN_IPIPE_H */ |