/* -*- 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 */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 658 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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atomic.h | File | 1.55 KB | 0644 |
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barrier.h | File | 2.55 KB | 0644 |
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bfin-global.h | File | 2.8 KB | 0644 |
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bfin-lq035q1.h | File | 868 B | 0644 |
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bfin5xx_spi.h | File | 2.07 KB | 0644 |
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bfin_can.h | File | 36.04 KB | 0644 |
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bfin_dma.h | File | 5.46 KB | 0644 |
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bfin_pfmon.h | File | 1.11 KB | 0644 |
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bfin_ppi.h | File | 9.01 KB | 0644 |
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bfin_sdh.h | File | 7.2 KB | 0644 |
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bfin_serial.h | File | 17.02 KB | 0644 |
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bfin_simple_timer.h | File | 949 B | 0644 |
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bfin_sport.h | File | 1.21 KB | 0644 |
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bfin_sport3.h | File | 5.47 KB | 0644 |
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bfin_twi.h | File | 6.25 KB | 0644 |
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bfin_watchdog.h | File | 696 B | 0644 |
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bfrom.h | File | 3.36 KB | 0644 |
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bitops.h | File | 3.45 KB | 0644 |
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blackfin.h | File | 1.55 KB | 0644 |
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bug.h | File | 1.49 KB | 0644 |
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cache.h | File | 1.47 KB | 0644 |
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cacheflush.h | File | 3.79 KB | 0644 |
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cdef_LPBlackfin.h | File | 18.93 KB | 0644 |
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checksum.h | File | 899 B | 0644 |
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clkdev.h | File | 318 B | 0644 |
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clocks.h | File | 1.66 KB | 0644 |
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cmpxchg.h | File | 3.2 KB | 0644 |
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context.S | File | 5.92 KB | 0644 |
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cplb.h | File | 4.86 KB | 0644 |
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cplbinit.h | File | 1.6 KB | 0644 |
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cpu.h | File | 443 B | 0644 |
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def_LPBlackfin.h | File | 28.6 KB | 0644 |
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delay.h | File | 917 B | 0644 |
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dma-mapping.h | File | 1.09 KB | 0644 |
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dma.h | File | 9.28 KB | 0644 |
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dpmc.h | File | 18.24 KB | 0644 |
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early_printk.h | File | 1.09 KB | 0644 |
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elf.h | File | 4.88 KB | 0644 |
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entry.h | File | 5.27 KB | 0644 |
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exec.h | File | 37 B | 0644 |
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fixed_code.h | File | 806 B | 0644 |
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flat.h | File | 1.41 KB | 0644 |
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ftrace.h | File | 1.37 KB | 0644 |
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gpio.h | File | 5.91 KB | 0644 |
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gptimers.h | File | 8.95 KB | 0644 |
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hardirq.h | File | 301 B | 0644 |
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io.h | File | 1.52 KB | 0644 |
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ipipe.h | File | 5.81 KB | 0644 |
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ipipe_base.h | File | 2.38 KB | 0644 |
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irq.h | File | 879 B | 0644 |
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irq_handler.h | File | 1.93 KB | 0644 |
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irqflags.h | File | 7.13 KB | 0644 |
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kgdb.h | File | 3.23 KB | 0644 |
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l1layout.h | File | 879 B | 0644 |
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linkage.h | File | 205 B | 0644 |
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mem_init.h | File | 13.1 KB | 0644 |
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mem_map.h | File | 1.73 KB | 0644 |
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mmu.h | File | 713 B | 0644 |
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mmu_context.h | File | 5.35 KB | 0644 |
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module.h | File | 410 B | 0644 |
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nand.h | File | 895 B | 0644 |
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nmi.h | File | 195 B | 0644 |
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page.h | File | 546 B | 0644 |
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page_offset.h | File | 192 B | 0644 |
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pci.h | File | 310 B | 0644 |
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pda.h | File | 1.86 KB | 0644 |
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perf_event.h | File | 23 B | 0644 |
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pgtable.h | File | 3 KB | 0644 |
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pm.h | File | 590 B | 0644 |
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portmux.h | File | 16.38 KB | 0644 |
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processor.h | File | 3.21 KB | 0644 |
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pseudo_instructions.h | File | 391 B | 0644 |
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ptrace.h | File | 1.19 KB | 0644 |
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reboot.h | File | 446 B | 0644 |
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rwlock.h | File | 142 B | 0644 |
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scb.h | File | 445 B | 0644 |
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sections.h | File | 2 KB | 0644 |
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segment.h | File | 226 B | 0644 |
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smp.h | File | 1.34 KB | 0644 |
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spinlock.h | File | 1.87 KB | 0644 |
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spinlock_types.h | File | 495 B | 0644 |
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string.h | File | 1.04 KB | 0644 |
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switch_to.h | File | 997 B | 0644 |
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syscall.h | File | 2.15 KB | 0644 |
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thread_info.h | File | 2.66 KB | 0644 |
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time.h | File | 1.33 KB | 0644 |
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timex.h | File | 477 B | 0644 |
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tlb.h | File | 481 B | 0644 |
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tlbflush.h | File | 88 B | 0644 |
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trace.h | File | 2.67 KB | 0644 |
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traps.h | File | 4.87 KB | 0644 |
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uaccess.h | File | 5.79 KB | 0644 |
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unistd.h | File | 523 B | 0644 |
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vga.h | File | 29 B | 0644 |
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