diff options
Diffstat (limited to 'arch')
84 files changed, 937 insertions, 1152 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 943fe6930f77..fc95ee1bcf6f 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -68,6 +68,9 @@ config GENERIC_IOMAP bool default n +config GENERIC_HARDIRQS_NO__DO_IRQ + def_bool y + config GENERIC_HARDIRQS bool default y diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index eda9b909aa05..56ff96501350 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -37,8 +37,9 @@ */ extern inline void __set_hae(unsigned long new_hae) { - unsigned long flags; - local_irq_save(flags); + unsigned long flags = swpipl(IPL_MAX); + + barrier(); alpha_mv.hae_cache = new_hae; *alpha_mv.hae_register = new_hae; @@ -46,7 +47,8 @@ extern inline void __set_hae(unsigned long new_hae) /* Re-read to make sure it was written. */ new_hae = *alpha_mv.hae_register; - local_irq_restore(flags); + setipl(flags); + barrier(); } extern inline void set_hae(unsigned long new_hae) diff --git a/arch/alpha/kernel/Makefile b/arch/alpha/kernel/Makefile index 1ee9b5b629b8..9bb7b858ed23 100644 --- a/arch/alpha/kernel/Makefile +++ b/arch/alpha/kernel/Makefile @@ -3,8 +3,8 @@ # extra-y := head.o vmlinux.lds -EXTRA_AFLAGS := $(KBUILD_CFLAGS) -EXTRA_CFLAGS := -Werror -Wno-sign-compare +asflags-y := $(KBUILD_CFLAGS) +ccflags-y := -Werror -Wno-sign-compare obj-y := entry.o traps.o process.o init_task.o osf_sys.o irq.o \ irq_alpha.o signal.o setup.o ptrace.o time.o \ diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index fe912984d9b1..9ab234f48dd8 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -44,10 +44,11 @@ static char irq_user_affinity[NR_IRQS]; int irq_select_affinity(unsigned int irq) { + struct irq_desc *desc = irq_to_desc[irq]; static int last_cpu; int cpu = last_cpu + 1; - if (!irq_desc[irq].chip->set_affinity || irq_user_affinity[irq]) + if (!desc || !get_irq_desc_chip(desc)->set_affinity || irq_user_affinity[irq]) return 1; while (!cpu_possible(cpu) || @@ -55,8 +56,8 @@ int irq_select_affinity(unsigned int irq) cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0); last_cpu = cpu; - cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu)); - irq_desc[irq].chip->set_affinity(irq, cpumask_of(cpu)); + cpumask_copy(desc->affinity, cpumask_of(cpu)); + get_irq_desc_chip(desc)->set_affinity(irq, cpumask_of(cpu)); return 0; } #endif /* CONFIG_SMP */ @@ -67,6 +68,7 @@ show_interrupts(struct seq_file *p, void *v) int j; int irq = *(loff_t *) v; struct irqaction * action; + struct irq_desc *desc; unsigned long flags; #ifdef CONFIG_SMP @@ -79,8 +81,13 @@ show_interrupts(struct seq_file *p, void *v) #endif if (irq < ACTUAL_NR_IRQS) { - raw_spin_lock_irqsave(&irq_desc[irq].lock, flags); - action = irq_desc[irq].action; + desc = irq_to_desc(irq); + + if (!desc) + return 0; + + raw_spin_lock_irqsave(&desc->lock, flags); + action = desc->action; if (!action) goto unlock; seq_printf(p, "%3d: ", irq); @@ -90,7 +97,7 @@ show_interrupts(struct seq_file *p, void *v) for_each_online_cpu(j) seq_printf(p, "%10u ", kstat_irqs_cpu(irq, j)); #endif - seq_printf(p, " %14s", irq_desc[irq].chip->name); + seq_printf(p, " %14s", get_irq_desc_chip(desc)->name); seq_printf(p, " %c%s", (action->flags & IRQF_DISABLED)?'+':' ', action->name); @@ -103,7 +110,7 @@ show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); unlock: - raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags); + raw_spin_unlock_irqrestore(&desc->lock, flags); } else if (irq == ACTUAL_NR_IRQS) { #ifdef CONFIG_SMP seq_puts(p, "IPI: "); @@ -142,8 +149,10 @@ handle_irq(int irq) * handled by some other CPU. (or is disabled) */ static unsigned int illegal_count=0; + struct irq_desc *desc = irq_to_desc(irq); - if ((unsigned) irq > ACTUAL_NR_IRQS && illegal_count < MAX_ILLEGAL_IRQS ) { + if (!desc || ((unsigned) irq > ACTUAL_NR_IRQS && + illegal_count < MAX_ILLEGAL_IRQS)) { irq_err_count++; illegal_count++; printk(KERN_CRIT "device_interrupt: invalid interrupt %d\n", @@ -151,14 +160,14 @@ handle_irq(int irq) return; } - irq_enter(); /* - * __do_IRQ() must be called with IPL_MAX. Note that we do not + * From here we must proceed with IPL_MAX. Note that we do not * explicitly enable interrupts afterwards - some MILO PALcode * (namely LX164 one) seems to have severe problems with RTI * at IPL 0. */ local_irq_disable(); - __do_IRQ(irq); + irq_enter(); + generic_handle_irq_desc(irq, desc); irq_exit(); } diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c index 4c8bb374eb0a..2d0679b60939 100644 --- a/arch/alpha/kernel/irq_alpha.c +++ b/arch/alpha/kernel/irq_alpha.c @@ -219,31 +219,23 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr, * processed by PALcode, and comes in via entInt vector 1. */ -static void rtc_enable_disable(unsigned int irq) { } -static unsigned int rtc_startup(unsigned int irq) { return 0; } - struct irqaction timer_irqaction = { .handler = timer_interrupt, .flags = IRQF_DISABLED, .name = "timer", }; -static struct irq_chip rtc_irq_type = { - .name = "RTC", - .startup = rtc_startup, - .shutdown = rtc_enable_disable, - .enable = rtc_enable_disable, - .disable = rtc_enable_disable, - .ack = rtc_enable_disable, - .end = rtc_enable_disable, -}; - void __init init_rtc_irq(void) { - irq_desc[RTC_IRQ].status = IRQ_DISABLED; - irq_desc[RTC_IRQ].chip = &rtc_irq_type; - setup_irq(RTC_IRQ, &timer_irqaction); + struct irq_desc *desc = irq_to_desc(RTC_IRQ); + + if (desc) { + desc->status |= IRQ_DISABLED; + set_irq_chip_and_handler_name(RTC_IRQ, &no_irq_chip, + handle_simple_irq, "RTC"); + setup_irq(RTC_IRQ, &timer_irqaction); + } } /* Dummy irqactions. */ diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c index 83a9ac280890..956ea0ed1694 100644 --- a/arch/alpha/kernel/irq_i8259.c +++ b/arch/alpha/kernel/irq_i8259.c @@ -69,28 +69,11 @@ i8259a_mask_and_ack_irq(unsigned int irq) spin_unlock(&i8259_irq_lock); } -unsigned int -i8259a_startup_irq(unsigned int irq) -{ - i8259a_enable_irq(irq); - return 0; /* never anything pending */ -} - -void -i8259a_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - i8259a_enable_irq(irq); -} - struct irq_chip i8259a_irq_type = { .name = "XT-PIC", - .startup = i8259a_startup_irq, - .shutdown = i8259a_disable_irq, - .enable = i8259a_enable_irq, - .disable = i8259a_disable_irq, - .ack = i8259a_mask_and_ack_irq, - .end = i8259a_end_irq, + .unmask = i8259a_enable_irq, + .mask = i8259a_disable_irq, + .mask_ack = i8259a_mask_and_ack_irq, }; void __init @@ -107,8 +90,7 @@ init_i8259a_irqs(void) outb(0xff, 0xA1); /* mask all of 8259A-2 */ for (i = 0; i < 16; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].chip = &i8259a_irq_type; + set_irq_chip_and_handler(i, &i8259a_irq_type, handle_level_irq); } setup_irq(2, &cascade); diff --git a/arch/alpha/kernel/irq_pyxis.c b/arch/alpha/kernel/irq_pyxis.c index 989ce46a0cf3..2863458c853e 100644 --- a/arch/alpha/kernel/irq_pyxis.c +++ b/arch/alpha/kernel/irq_pyxis.c @@ -40,20 +40,6 @@ pyxis_disable_irq(unsigned int irq) pyxis_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); } -static unsigned int -pyxis_startup_irq(unsigned int irq) -{ - pyxis_enable_irq(irq); - return 0; -} - -static void -pyxis_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - pyxis_enable_irq(irq); -} - static void pyxis_mask_and_ack_irq(unsigned int irq) { @@ -72,12 +58,9 @@ pyxis_mask_and_ack_irq(unsigned int irq) static struct irq_chip pyxis_irq_type = { .name = "PYXIS", - .startup = pyxis_startup_irq, - .shutdown = pyxis_disable_irq, - .enable = pyxis_enable_irq, - .disable = pyxis_disable_irq, - .ack = pyxis_mask_and_ack_irq, - .end = pyxis_end_irq, + .mask_ack = pyxis_mask_and_ack_irq, + .mask = pyxis_disable_irq, + .unmask = pyxis_enable_irq, }; void @@ -119,8 +102,8 @@ init_pyxis_irqs(unsigned long ignore_mask) for (i = 16; i < 48; ++i) { if ((ignore_mask >> i) & 1) continue; - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &pyxis_irq_type; + set_irq_chip_and_handler(i, &pyxis_irq_type, handle_level_irq); + irq_to_desc(i)->status |= IRQ_LEVEL; } setup_irq(16+7, &isa_cascade_irqaction); diff --git a/arch/alpha/kernel/irq_srm.c b/arch/alpha/kernel/irq_srm.c index d63e93e1e8bf..0e57e828b413 100644 --- a/arch/alpha/kernel/irq_srm.c +++ b/arch/alpha/kernel/irq_srm.c @@ -33,29 +33,12 @@ srm_disable_irq(unsigned int irq) spin_unlock(&srm_irq_lock); } -static unsigned int -srm_startup_irq(unsigned int irq) -{ - srm_enable_irq(irq); - return 0; -} - -static void -srm_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - srm_enable_irq(irq); -} - /* Handle interrupts from the SRM, assuming no additional weirdness. */ static struct irq_chip srm_irq_type = { .name = "SRM", - .startup = srm_startup_irq, - .shutdown = srm_disable_irq, - .enable = srm_enable_irq, - .disable = srm_disable_irq, - .ack = srm_disable_irq, - .end = srm_end_irq, + .unmask = srm_enable_irq, + .mask = srm_disable_irq, + .mask_ack = srm_disable_irq, }; void __init @@ -68,8 +51,8 @@ init_srm_irqs(long max, unsigned long ignore_mask) for (i = 16; i < max; ++i) { if (i < 64 && ((ignore_mask >> i) & 1)) continue; - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &srm_irq_type; + set_irq_chip_and_handler(i, &srm_irq_type, handle_level_irq); + irq_to_desc(i)->status |= IRQ_LEVEL; } } diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 547e8b84b2f7..fe698b5045e9 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -951,9 +951,6 @@ SYSCALL_DEFINE2(osf_utimes, const char __user *, filename, return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0); } -#define MAX_SELECT_SECONDS \ - ((unsigned long) (MAX_SCHEDULE_TIMEOUT / HZ)-1) - SYSCALL_DEFINE5(osf_select, int, n, fd_set __user *, inp, fd_set __user *, outp, fd_set __user *, exp, struct timeval32 __user *, tvp) { diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c index 20a30b8b9655..7bef61768236 100644 --- a/arch/alpha/kernel/sys_alcor.c +++ b/arch/alpha/kernel/sys_alcor.c @@ -65,13 +65,6 @@ alcor_mask_and_ack_irq(unsigned int irq) *(vuip)GRU_INT_CLEAR = 0; mb(); } -static unsigned int -alcor_startup_irq(unsigned int irq) -{ - alcor_enable_irq(irq); - return 0; -} - static void alcor_isa_mask_and_ack_irq(unsigned int irq) { @@ -82,21 +75,11 @@ alcor_isa_mask_and_ack_irq(unsigned int irq) *(vuip)GRU_INT_CLEAR = 0; mb(); } -static void -alcor_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - alcor_enable_irq(irq); -} - static struct irq_chip alcor_irq_type = { .name = "ALCOR", - .startup = alcor_startup_irq, - .shutdown = alcor_disable_irq, - .enable = alcor_enable_irq, - .disable = alcor_disable_irq, - .ack = alcor_mask_and_ack_irq, - .end = alcor_end_irq, + .unmask = alcor_enable_irq, + .mask = alcor_disable_irq, + .mask_ack = alcor_mask_and_ack_irq, }; static void @@ -142,8 +125,8 @@ alcor_init_irq(void) on while IRQ probing. */ if (i >= 16+20 && i <= 16+30) continue; - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &alcor_irq_type; + set_irq_chip_and_handler(i, &alcor_irq_type, handle_level_irq); + irq_to_desc(i)->status |= IRQ_LEVEL; } i8259a_irq_type.ack = alcor_isa_mask_and_ack_irq; diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c index 14c8898d19ec..b0c916493aea 100644 --- a/arch/alpha/kernel/sys_cabriolet.c +++ b/arch/alpha/kernel/sys_cabriolet.c @@ -57,28 +57,11 @@ cabriolet_disable_irq(unsigned int irq) cabriolet_update_irq_hw(irq, cached_irq_mask |= 1UL << irq); } -static unsigned int -cabriolet_startup_irq(unsigned int irq) -{ - cabriolet_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -cabriolet_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - cabriolet_enable_irq(irq); -} - static struct irq_chip cabriolet_irq_type = { .name = "CABRIOLET", - .startup = cabriolet_startup_irq, - .shutdown = cabriolet_disable_irq, - .enable = cabriolet_enable_irq, - .disable = cabriolet_disable_irq, - .ack = cabriolet_disable_irq, - .end = cabriolet_end_irq, + .unmask = cabriolet_enable_irq, + .mask = cabriolet_disable_irq, + .mask_ack = cabriolet_disable_irq, }; static void @@ -122,8 +105,9 @@ common_init_irq(void (*srm_dev_int)(unsigned long v)) outb(0xff, 0x806); for (i = 16; i < 35; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &cabriolet_irq_type; + set_irq_chip_and_handler(i, &cabriolet_irq_type, + handle_level_irq); + irq_to_desc(i)->status |= IRQ_LEVEL; } } diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index 4026502ab707..edad5f759ccd 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -115,20 +115,6 @@ dp264_disable_irq(unsigned int irq) spin_unlock(&dp264_irq_lock); } -static unsigned int -dp264_startup_irq(unsigned int irq) -{ - dp264_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -dp264_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - dp264_enable_irq(irq); -} - static void clipper_enable_irq(unsigned int irq) { @@ -147,20 +133,6 @@ clipper_disable_irq(unsigned int irq) spin_unlock(&dp264_irq_lock); } -static unsigned int -clipper_startup_irq(unsigned int irq) -{ - clipper_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -clipper_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - clipper_enable_irq(irq); -} - static void cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) { @@ -200,23 +172,17 @@ clipper_set_affinity(unsigned int irq, const struct cpumask *affinity) static struct irq_chip dp264_irq_type = { .name = "DP264", - .startup = dp264_startup_irq, - .shutdown = dp264_disable_irq, - .enable = dp264_enable_irq, - .disable = dp264_disable_irq, - .ack = dp264_disable_irq, - .end = dp264_end_irq, + .unmask = dp264_enable_irq, + .mask = dp264_disable_irq, + .mask_ack = dp264_disable_irq, .set_affinity = dp264_set_affinity, }; static struct irq_chip clipper_irq_type = { .name = "CLIPPER", - .startup = clipper_startup_irq, - .shutdown = clipper_disable_irq, - .enable = clipper_enable_irq, - .disable = clipper_disable_irq, - .ack = clipper_disable_irq, - .end = clipper_end_irq, + .unmask = clipper_enable_irq, + .mask = clipper_disable_irq, + .mask_ack = clipper_disable_irq, .set_affinity = clipper_set_affinity, }; @@ -302,8 +268,8 @@ init_tsunami_irqs(struct irq_chip * ops, int imin, int imax) { long i; for (i = imin; i <= imax; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = ops; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, ops, handle_level_irq); } } diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c index df2090ce5e7f..ae5f29d127b0 100644 --- a/arch/alpha/kernel/sys_eb64p.c +++ b/arch/alpha/kernel/sys_eb64p.c @@ -55,28 +55,11 @@ eb64p_disable_irq(unsigned int irq) eb64p_update_irq_hw(irq, cached_irq_mask |= 1 << irq); } -static unsigned int -eb64p_startup_irq(unsigned int irq) -{ - eb64p_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -eb64p_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - eb64p_enable_irq(irq); -} - static struct irq_chip eb64p_irq_type = { .name = "EB64P", - .startup = eb64p_startup_irq, - .shutdown = eb64p_disable_irq, - .enable = eb64p_enable_irq, - .disable = eb64p_disable_irq, - .ack = eb64p_disable_irq, - .end = eb64p_end_irq, + .unmask = eb64p_enable_irq, + .mask = eb64p_disable_irq, + .mask_ack = eb64p_disable_irq, }; static void @@ -135,8 +118,8 @@ eb64p_init_irq(void) init_i8259a_irqs(); for (i = 16; i < 32; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &eb64p_irq_type; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, &eb64p_irq_type, handle_level_irq); } common_init_isa_dma(); diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c index 3ca1dbcf4044..1121bc5c6c6c 100644 --- a/arch/alpha/kernel/sys_eiger.c +++ b/arch/alpha/kernel/sys_eiger.c @@ -66,28 +66,11 @@ eiger_disable_irq(unsigned int irq) eiger_update_irq_hw(irq, mask); } -static unsigned int -eiger_startup_irq(unsigned int irq) -{ - eiger_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -eiger_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - eiger_enable_irq(irq); -} - static struct irq_chip eiger_irq_type = { .name = "EIGER", - .startup = eiger_startup_irq, - .shutdown = eiger_disable_irq, - .enable = eiger_enable_irq, - .disable = eiger_disable_irq, - .ack = eiger_disable_irq, - .end = eiger_end_irq, + .unmask = eiger_enable_irq, + .mask = eiger_disable_irq, + .mask_ack = eiger_disable_irq, }; static void @@ -153,8 +136,8 @@ eiger_init_irq(void) init_i8259a_irqs(); for (i = 16; i < 128; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &eiger_irq_type; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, &eiger_irq_type, handle_level_irq); } } diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c index 7a7ae36fff91..34f55e03d331 100644 --- a/arch/alpha/kernel/sys_jensen.c +++ b/arch/alpha/kernel/sys_jensen.c @@ -62,30 +62,6 @@ * world. */ -static unsigned int -jensen_local_startup(unsigned int irq) -{ - /* the parport is really hw IRQ 1, silly Jensen. */ - if (irq == 7) - i8259a_startup_irq(1); - else - /* - * For all true local interrupts, set the flag that prevents - * the IPL from being dropped during handler processing. - */ - if (irq_desc[irq].action) - irq_desc[irq].action->flags |= IRQF_DISABLED; - return 0; -} - -static void -jensen_local_shutdown(unsigned int irq) -{ - /* the parport is really hw IRQ 1, silly Jensen. */ - if (irq == 7) - i8259a_disable_irq(1); -} - static void jensen_local_enable(unsigned int irq) { @@ -103,29 +79,18 @@ jensen_local_disable(unsigned int irq) } static void -jensen_local_ack(unsigned int irq) +jensen_local_mask_ack(unsigned int irq) { /* the parport is really hw IRQ 1, silly Jensen. */ if (irq == 7) i8259a_mask_and_ack_irq(1); } -static void -jensen_local_end(unsigned int irq) -{ - /* the parport is really hw IRQ 1, silly Jensen. */ - if (irq == 7) - i8259a_end_irq(1); -} - static struct irq_chip jensen_local_irq_type = { .name = "LOCAL", - .startup = jensen_local_startup, - .shutdown = jensen_local_shutdown, - .enable = jensen_local_enable, - .disable = jensen_local_disable, - .ack = jensen_local_ack, - .end = jensen_local_end, + .unmask = jensen_local_enable, + .mask = jensen_local_disable, + .mask_ack = jensen_local_mask_ack, }; static void @@ -158,7 +123,7 @@ jensen_device_interrupt(unsigned long vector) } /* If there is no handler yet... */ - if (irq_desc[irq].action == NULL) { + if (!irq_has_action(irq)) { /* If it is a local interrupt that cannot be masked... */ if (vector >= 0x900) { @@ -206,11 +171,11 @@ jensen_init_irq(void) { init_i8259a_irqs(); - irq_desc[1].chip = &jensen_local_irq_type; - irq_desc[4].chip = &jensen_local_irq_type; - irq_desc[3].chip = &jensen_local_irq_type; - irq_desc[7].chip = &jensen_local_irq_type; - irq_desc[9].chip = &jensen_local_irq_type; + set_irq_chip_and_handler(1, &jensen_local_irq_type, handle_level_irq); + set_irq_chip_and_handler(4, &jensen_local_irq_type, handle_level_irq); + set_irq_chip_and_handler(3, &jensen_local_irq_type, handle_level_irq); + set_irq_chip_and_handler(7, &jensen_local_irq_type, handle_level_irq); + set_irq_chip_and_handler(9, &jensen_local_irq_type, handle_level_irq); common_init_isa_dma(); } diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c index 0bb3b5c4f693..2bfc9f1b1ddc 100644 --- a/arch/alpha/kernel/sys_marvel.c +++ b/arch/alpha/kernel/sys_marvel.c @@ -143,20 +143,6 @@ io7_disable_irq(unsigned int irq) spin_unlock(&io7->irq_lock); } -static unsigned int -io7_startup_irq(unsigned int irq) -{ - io7_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -io7_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - io7_enable_irq(irq); -} - static void marvel_irq_noop(unsigned int irq) { @@ -171,32 +157,22 @@ marvel_irq_noop_return(unsigned int irq) static struct irq_chip marvel_legacy_irq_type = { .name = "LEGACY", - .startup = marvel_irq_noop_return, - .shutdown = marvel_irq_noop, - .enable = marvel_irq_noop, - .disable = marvel_irq_noop, - .ack = marvel_irq_noop, - .end = marvel_irq_noop, + .mask = marvel_irq_noop, + .unmask = marvel_irq_noop, }; static struct irq_chip io7_lsi_irq_type = { .name = "LSI", - .startup = io7_startup_irq, - .shutdown = io7_disable_irq, - .enable = io7_enable_irq, - .disable = io7_disable_irq, - .ack = io7_disable_irq, - .end = io7_end_irq, + .unmask = io7_enable_irq, + .mask = io7_disable_irq, + .mask_ack = io7_disable_irq, }; static struct irq_chip io7_msi_irq_type = { .name = "MSI", - .startup = io7_startup_irq, - .shutdown = io7_disable_irq, - .enable = io7_enable_irq, - .disable = io7_disable_irq, + .unmask = io7_enable_irq, + .mask = io7_disable_irq, .ack = marvel_irq_noop, - .end = io7_end_irq, }; static void @@ -304,8 +280,8 @@ init_io7_irqs(struct io7 *io7, /* Set up the lsi irqs. */ for (i = 0; i < 128; ++i) { - irq_desc[base + i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[base + i].chip = lsi_ops; + irq_to_desc(base + i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(base + i, lsi_ops, handle_level_irq); } /* Disable the implemented irqs in hardware. */ @@ -318,8 +294,8 @@ init_io7_irqs(struct io7 *io7, /* Set up the msi irqs. */ for (i = 128; i < (128 + 512); ++i) { - irq_desc[base + i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[base + i].chip = msi_ops; + irq_to_desc(base + i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(base + i, msi_ops, handle_level_irq); } for (i = 0; i < 16; ++i) @@ -336,8 +312,8 @@ marvel_init_irq(void) /* Reserve the legacy irqs. */ for (i = 0; i < 16; ++i) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].chip = &marvel_legacy_irq_type; + set_irq_chip_and_handler(i, &marvel_legacy_irq_type, + handle_level_irq); } /* Init the io7 irqs. */ diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c index ee8865169811..bcc1639e8efb 100644 --- a/arch/alpha/kernel/sys_mikasa.c +++ b/arch/alpha/kernel/sys_mikasa.c @@ -54,28 +54,11 @@ mikasa_disable_irq(unsigned int irq) mikasa_update_irq_hw(cached_irq_mask &= ~(1 << (irq - 16))); } -static unsigned int -mikasa_startup_irq(unsigned int irq) -{ - mikasa_enable_irq(irq); - return 0; -} - -static void -mikasa_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - mikasa_enable_irq(irq); -} - static struct irq_chip mikasa_irq_type = { .name = "MIKASA", - .startup = mikasa_startup_irq, - .shutdown = mikasa_disable_irq, - .enable = mikasa_enable_irq, - .disable = mikasa_disable_irq, - .ack = mikasa_disable_irq, - .end = mikasa_end_irq, + .unmask = mikasa_enable_irq, + .mask = mikasa_disable_irq, + .mask_ack = mikasa_disable_irq, }; static void @@ -115,8 +98,8 @@ mikasa_init_irq(void) mikasa_update_irq_hw(0); for (i = 16; i < 32; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &mikasa_irq_type; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, &mikasa_irq_type, handle_level_irq); } init_i8259a_irqs(); diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c index 86503fe73a88..e88f4ae1260e 100644 --- a/arch/alpha/kernel/sys_noritake.c +++ b/arch/alpha/kernel/sys_noritake.c @@ -59,28 +59,11 @@ noritake_disable_irq(unsigned int irq) noritake_update_irq_hw(irq, cached_irq_mask &= ~(1 << (irq - 16))); } -static unsigned int -noritake_startup_irq(unsigned int irq) -{ - noritake_enable_irq(irq); - return 0; -} - -static void -noritake_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - noritake_enable_irq(irq); -} - static struct irq_chip noritake_irq_type = { .name = "NORITAKE", - .startup = noritake_startup_irq, - .shutdown = noritake_disable_irq, - .enable = noritake_enable_irq, - .disable = noritake_disable_irq, - .ack = noritake_disable_irq, - .end = noritake_end_irq, + .unmask = noritake_enable_irq, + .mask = noritake_disable_irq, + .mask_ack = noritake_disable_irq, }; static void @@ -144,8 +127,8 @@ noritake_init_irq(void) outw(0, 0x54c); for (i = 16; i < 48; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &noritake_irq_type; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, &noritake_irq_type, handle_level_irq); } init_i8259a_irqs(); diff --git a/arch/alpha/kernel/sys_rawhide.c b/arch/alpha/kernel/sys_rawhide.c index 26c322bf89ee..6a51364dd1cc 100644 --- a/arch/alpha/kernel/sys_rawhide.c +++ b/arch/alpha/kernel/sys_rawhide.c @@ -121,28 +121,11 @@ rawhide_mask_and_ack_irq(unsigned int irq) spin_unlock(&rawhide_irq_lock); } -static unsigned int -rawhide_startup_irq(unsigned int irq) -{ - rawhide_enable_irq(irq); - return 0; -} - -static void -rawhide_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - rawhide_enable_irq(irq); -} - static struct irq_chip rawhide_irq_type = { .name = "RAWHIDE", - .startup = rawhide_startup_irq, - .shutdown = rawhide_disable_irq, - .enable = rawhide_enable_irq, - .disable = rawhide_disable_irq, - .ack = rawhide_mask_and_ack_irq, - .end = rawhide_end_irq, + .unmask = rawhide_enable_irq, + .mask = rawhide_disable_irq, + .mask_ack = rawhide_mask_and_ack_irq, }; static void @@ -194,8 +177,8 @@ rawhide_init_irq(void) } for (i = 16; i < 128; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &rawhide_irq_type; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, &rawhide_irq_type, handle_level_irq); } init_i8259a_irqs(); diff --git a/arch/alpha/kernel/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c index be161129eab9..89e7e37ec84c 100644 --- a/arch/alpha/kernel/sys_rx164.c +++ b/arch/alpha/kernel/sys_rx164.c @@ -58,28 +58,11 @@ rx164_disable_irq(unsigned int irq) rx164_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); } -static unsigned int -rx164_startup_irq(unsigned int irq) -{ - rx164_enable_irq(irq); - return 0; -} - -static void -rx164_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - rx164_enable_irq(irq); -} - static struct irq_chip rx164_irq_type = { .name = "RX164", - .startup = rx164_startup_irq, - .shutdown = rx164_disable_irq, - .enable = rx164_enable_irq, - .disable = rx164_disable_irq, - .ack = rx164_disable_irq, - .end = rx164_end_irq, + .unmask = rx164_enable_irq, + .mask = rx164_disable_irq, + .mask_ack = rx164_disable_irq, }; static void @@ -116,8 +99,8 @@ rx164_init_irq(void) rx164_update_irq_hw(0); for (i = 16; i < 40; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &rx164_irq_type; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, &rx164_irq_type, handle_level_irq); } init_i8259a_irqs(); diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c index b2abe27a23cf..5c4423d1b06c 100644 --- a/arch/alpha/kernel/sys_sable.c +++ b/arch/alpha/kernel/sys_sable.c @@ -474,20 +474,6 @@ sable_lynx_disable_irq(unsigned int irq) #endif } -static unsigned int -sable_lynx_startup_irq(unsigned int irq) -{ - sable_lynx_enable_irq(irq); - return 0; -} - -static void -sable_lynx_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - sable_lynx_enable_irq(irq); -} - static void sable_lynx_mask_and_ack_irq(unsigned int irq) { @@ -503,12 +489,9 @@ sable_lynx_mask_and_ack_irq(unsigned int irq) static struct irq_chip sable_lynx_irq_type = { .name = "SABLE/LYNX", - .startup = sable_lynx_startup_irq, - .shutdown = sable_lynx_disable_irq, - .enable = sable_lynx_enable_irq, - .disable = sable_lynx_disable_irq, - .ack = sable_lynx_mask_and_ack_irq, - .end = sable_lynx_end_irq, + .unmask = sable_lynx_enable_irq, + .mask = sable_lynx_disable_irq, + .mask_ack = sable_lynx_mask_and_ack_irq, }; static void @@ -535,8 +518,9 @@ sable_lynx_init_irq(int nr_of_irqs) long i; for (i = 0; i < nr_of_irqs; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &sable_lynx_irq_type; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, &sable_lynx_irq_type, + handle_level_irq); } common_init_isa_dma(); diff --git a/arch/alpha/kernel/sys_takara.c b/arch/alpha/kernel/sys_takara.c index 4da596b6adbb..f8a1e8a862fb 100644 --- a/arch/alpha/kernel/sys_takara.c +++ b/arch/alpha/kernel/sys_takara.c @@ -60,28 +60,11 @@ takara_disable_irq(unsigned int irq) takara_update_irq_hw(irq, mask); } -static unsigned int -takara_startup_irq(unsigned int irq) -{ - takara_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -takara_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - takara_enable_irq(irq); -} - static struct irq_chip takara_irq_type = { .name = "TAKARA", - .startup = takara_startup_irq, - .shutdown = takara_disable_irq, - .enable = takara_enable_irq, - .disable = takara_disable_irq, - .ack = takara_disable_irq, - .end = takara_end_irq, + .unmask = takara_enable_irq, + .mask = takara_disable_irq, + .mask_ack = takara_disable_irq, }; static void @@ -153,8 +136,8 @@ takara_init_irq(void) takara_update_irq_hw(i, -1); for (i = 16; i < 128; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = &takara_irq_type; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, &takara_irq_type, handle_level_irq); } common_init_isa_dma(); diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c index 9008d0f20c53..e02494bf5ef3 100644 --- a/arch/alpha/kernel/sys_titan.c +++ b/arch/alpha/kernel/sys_titan.c @@ -129,20 +129,6 @@ titan_disable_irq(unsigned int irq) spin_unlock(&titan_irq_lock); } -static unsigned int -titan_startup_irq(unsigned int irq) -{ - titan_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -titan_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - titan_enable_irq(irq); -} - static void titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) { @@ -189,20 +175,17 @@ init_titan_irqs(struct irq_chip * ops, int imin, int imax) { long i; for (i = imin; i <= imax; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].chip = ops; + irq_to_desc(i)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i, ops, handle_level_irq); } } static struct irq_chip titan_irq_type = { - .name = "TITAN", - .startup = titan_startup_irq, - .shutdown = titan_disable_irq, - .enable = titan_enable_irq, - .disable = titan_disable_irq, - .ack = titan_disable_irq, - .end = titan_end_irq, - .set_affinity = titan_set_irq_affinity, + .name = "TITAN", + .unmask = titan_enable_irq, + .mask = titan_disable_irq, + .mask_ack = titan_disable_irq, + .set_affinity = titan_set_irq_affinity, }; static irqreturn_t diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c index 62fd972e18ef..eec52594d410 100644 --- a/arch/alpha/kernel/sys_wildfire.c +++ b/arch/alpha/kernel/sys_wildfire.c @@ -139,32 +139,11 @@ wildfire_mask_and_ack_irq(unsigned int irq) spin_unlock(&wildfire_irq_lock); } -static unsigned int -wildfire_startup_irq(unsigned int irq) -{ - wildfire_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -wildfire_end_irq(unsigned int irq) -{ -#if 0 - if (!irq_desc[irq].action) - printk("got irq %d\n", irq); -#endif - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - wildfire_enable_irq(irq); -} - static struct irq_chip wildfire_irq_type = { .name = "WILDFIRE", - .startup = wildfire_startup_irq, - .shutdown = wildfire_disable_irq, - .enable = wildfire_enable_irq, - .disable = wildfire_disable_irq, - .ack = wildfire_mask_and_ack_irq, - .end = wildfire_end_irq, + .unmask = wildfire_enable_irq, + .mask = wildfire_disable_irq, + .mask_ack = wildfire_mask_and_ack_irq, }; static void __init @@ -198,15 +177,18 @@ wildfire_init_irq_per_pca(int qbbno, int pcano) for (i = 0; i < 16; ++i) { if (i == 2) continue; - irq_desc[i+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i+irq_bias].chip = &wildfire_irq_type; + irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type, + handle_level_irq); } - irq_desc[36+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[36+irq_bias].chip = &wildfire_irq_type; + irq_to_desc(36+irq_bias)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(36+irq_bias, &wildfire_irq_type, + handle_level_irq); for (i = 40; i < 64; ++i) { - irq_desc[i+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i+irq_bias].chip = &wildfire_irq_type; + irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type, + handle_level_irq); } setup_irq(32+irq_bias, &isa_enable); diff --git a/arch/alpha/lib/Makefile b/arch/alpha/lib/Makefile index 9b72c59c95be..c0a83ab62b78 100644 --- a/arch/alpha/lib/Makefile +++ b/arch/alpha/lib/Makefile @@ -2,8 +2,8 @@ # Makefile for alpha-specific library files.. # -EXTRA_AFLAGS := $(KBUILD_CFLAGS) -EXTRA_CFLAGS := -Werror +asflags-y := $(KBUILD_CFLAGS) +ccflags-y := -Werror # Many of these routines have implementations tuned for ev6. # Choose them iff we're targeting ev6 specifically. diff --git a/arch/alpha/math-emu/Makefile b/arch/alpha/math-emu/Makefile index 359ef087e69e..7f4671995245 100644 --- a/arch/alpha/math-emu/Makefile +++ b/arch/alpha/math-emu/Makefile @@ -2,7 +2,7 @@ # Makefile for the FPU instruction emulation. # -EXTRA_CFLAGS := -w +ccflags-y := -w obj-$(CONFIG_MATHEMU) += math-emu.o diff --git a/arch/alpha/mm/Makefile b/arch/alpha/mm/Makefile index 09399c5386cb..c993d3f93cf6 100644 --- a/arch/alpha/mm/Makefile +++ b/arch/alpha/mm/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux alpha-specific parts of the memory manager. # -EXTRA_CFLAGS := -Werror +ccflags-y := -Werror obj-y := init.o fault.o extable.o diff --git a/arch/alpha/oprofile/Makefile b/arch/alpha/oprofile/Makefile index 4aa56247bdc6..3473de751b03 100644 --- a/arch/alpha/oprofile/Makefile +++ b/arch/alpha/oprofile/Makefile @@ -1,4 +1,4 @@ -EXTRA_CFLAGS := -Werror -Wno-sign-compare +ccflags-y := -Werror -Wno-sign-compare obj-$(CONFIG_OPROFILE) += oprofile.o diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index bd0495a9ac3b..22cc8c8df6cb 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -179,6 +179,22 @@ static struct omap_board_config_kernel ams_delta_config[] = { { OMAP_TAG_LCD, &ams_delta_lcd_config }, }; +static struct resource ams_delta_nand_resources[] = { + [0] = { + .start = OMAP1_MPUIO_BASE, + .end = OMAP1_MPUIO_BASE + + OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device ams_delta_nand_device = { + .name = "ams-delta-nand", + .id = -1, + .num_resources = ARRAY_SIZE(ams_delta_nand_resources), + .resource = ams_delta_nand_resources, +}; + static struct resource ams_delta_kp_resources[] = { [0] = { .start = INT_KEYBOARD, @@ -265,6 +281,7 @@ static struct omap1_cam_platform_data ams_delta_camera_platform_data = { }; static struct platform_device *ams_delta_devices[] __initdata = { + &ams_delta_nand_device, &ams_delta_kp_device, &ams_delta_lcd_device, &ams_delta_led_device, diff --git a/arch/arm/mach-s5p6442/mach-smdk6442.c b/arch/arm/mach-s5p6442/mach-smdk6442.c index e69f137b0a39..eaf6b9c489ff 100644 --- a/arch/arm/mach-s5p6442/mach-smdk6442.c +++ b/arch/arm/mach-s5p6442/mach-smdk6442.c @@ -68,6 +68,7 @@ static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = { static struct platform_device *smdk6442_devices[] __initdata = { &s3c_device_i2c0, + &samsung_asoc_dma, &s5p6442_device_iis0, &s3c_device_wdt, }; diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c index e9802755daeb..e5beb84e2393 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6440.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c @@ -95,6 +95,7 @@ static struct platform_device *smdk6440_devices[] __initdata = { &s3c_device_i2c1, &s3c_device_ts, &s3c_device_wdt, + &samsung_asoc_dma, &s5p6440_device_iis, }; diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c index b78f56292780..3a20de0a9264 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6450.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c @@ -113,6 +113,7 @@ static struct platform_device *smdk6450_devices[] __initdata = { &s3c_device_i2c1, &s3c_device_ts, &s3c_device_wdt, + &samsung_asoc_dma, &s5p6450_device_iis0, /* s5p6450_device_spi0 will be added */ }; diff --git a/arch/arm/mach-s5pv210/mach-smdkc110.c b/arch/arm/mach-s5pv210/mach-smdkc110.c index bb20a14da100..ce11a02eabf3 100644 --- a/arch/arm/mach-s5pv210/mach-smdkc110.c +++ b/arch/arm/mach-s5pv210/mach-smdkc110.c @@ -81,6 +81,7 @@ static struct s3c_ide_platdata smdkc110_ide_pdata __initdata = { }; static struct platform_device *smdkc110_devices[] __initdata = { + &samsung_asoc_dma, &s5pv210_device_iis0, &s5pv210_device_ac97, &s5pv210_device_spdif, diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c index 88e45223c8af..bc9fdb52a020 100644 --- a/arch/arm/mach-s5pv210/mach-smdkv210.c +++ b/arch/arm/mach-s5pv210/mach-smdkv210.c @@ -225,6 +225,7 @@ static struct platform_device *smdkv210_devices[] __initdata = { &s5pv210_device_ac97, &s5pv210_device_iis0, &s5pv210_device_spdif, + &samsung_asoc_dma, &samsung_device_keypad, &smdkv210_dm9000, &smdkv210_lcd_lte480wv, diff --git a/arch/arm/mach-s5pv310/mach-smdkc210.c b/arch/arm/mach-s5pv310/mach-smdkc210.c index 2d49273c0a26..d9cab02e23ca 100644 --- a/arch/arm/mach-s5pv310/mach-smdkc210.c +++ b/arch/arm/mach-s5pv310/mach-smdkc210.c @@ -163,8 +163,9 @@ static struct platform_device *smdkc210_devices[] __initdata = { &s5pv310_device_pd[PD_CAM], &s5pv310_device_pd[PD_TV], &s5pv310_device_pd[PD_GPS], - &smdkc210_smsc911x, &s5pv310_device_sysmmu, + &samsung_asoc_dma, + &smdkc210_smsc911x, }; static void __init smdkc210_smsc911x_init(void) diff --git a/arch/arm/mach-s5pv310/mach-smdkv310.c b/arch/arm/mach-s5pv310/mach-smdkv310.c index 28680cf9a72c..b1cddbf3c616 100644 --- a/arch/arm/mach-s5pv310/mach-smdkv310.c +++ b/arch/arm/mach-s5pv310/mach-smdkv310.c @@ -163,8 +163,9 @@ static struct platform_device *smdkv310_devices[] __initdata = { &s5pv310_device_pd[PD_CAM], &s5pv310_device_pd[PD_TV], &s5pv310_device_pd[PD_GPS], - &smdkv310_smsc911x, &s5pv310_device_sysmmu, + &samsung_asoc_dma, + &smdkv310_smsc911x, }; static void __init smdkv310_smsc911x_init(void) diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h index 74b62f10d07f..4d6dd4c39b75 100644 --- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h +++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h @@ -13,6 +13,14 @@ #include <linux/workqueue.h> #include <linux/interrupt.h> +/* + * Maxium size for a single dma descriptor + * Size is limited to 16 bits. + * Size is in the units of addr-widths (1,2,4,8 bytes) + * Larger transfers will be split up to multiple linked desc + */ +#define STEDMA40_MAX_SEG_SIZE 0xFFFF + /* dev types for memcpy */ #define STEDMA40_DEV_DST_MEMORY (-1) #define STEDMA40_DEV_SRC_MEMORY (-1) diff --git a/arch/arm/plat-omap/include/plat/onenand.h b/arch/arm/plat-omap/include/plat/onenand.h index 72f433d7d827..affe87e9ece7 100644 --- a/arch/arm/plat-omap/include/plat/onenand.h +++ b/arch/arm/plat-omap/include/plat/onenand.h @@ -23,6 +23,7 @@ struct omap_onenand_platform_data { int (*onenand_setup)(void __iomem *, int freq); int dma_channel; u8 flags; + u8 regulator_can_sleep; }; #define ONENAND_MAX_PARTITIONS 8 diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h index 7085bd51668b..cb88aa96c4f1 100644 --- a/arch/m68k/include/asm/cacheflush_no.h +++ b/arch/m68k/include/asm/cacheflush_no.h @@ -2,21 +2,22 @@ #define _M68KNOMMU_CACHEFLUSH_H /* - * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com> + * (C) Copyright 2000-2010, Greg Ungerer <gerg@snapgear.com> */ #include <linux/mm.h> +#include <asm/mcfsim.h> #define flush_cache_all() __flush_cache_all() #define flush_cache_mm(mm) do { } while (0) #define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) __flush_cache_all() +#define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr) do { } while (0) -#define flush_dcache_range(start,len) __flush_cache_all() +#define flush_dcache_range(start, len) __flush_dcache_all() #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 #define flush_dcache_page(page) do { } while (0) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) -#define flush_icache_range(start,len) __flush_cache_all() +#define flush_icache_range(start, len) __flush_icache_all() #define flush_icache_page(vma,pg) do { } while (0) #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) #define flush_cache_vmap(start, end) do { } while (0) @@ -27,66 +28,52 @@ #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ memcpy(dst, src, len) +void mcf_cache_push(void); + static inline void __flush_cache_all(void) { -#if defined(CONFIG_M5407) || defined(CONFIG_M548x) - /* - * Use cpushl to push and invalidate all cache lines. - * Gas doesn't seem to know how to generate the ColdFire - * cpushl instruction... Oh well, bit stuff it for now. - */ - __asm__ __volatile__ ( - "nop\n\t" - "clrl %%d0\n\t" - "1:\n\t" - "movel %%d0,%%a0\n\t" - "2:\n\t" - ".word 0xf468\n\t" - "addl #0x10,%%a0\n\t" - "cmpl #0x00000800,%%a0\n\t" - "blt 2b\n\t" - "addql #1,%%d0\n\t" - "cmpil #4,%%d0\n\t" - "bne 1b\n\t" - "movel #0xb6088500,%%d0\n\t" - "movec %%d0,%%CACR\n\t" - : : : "d0", "a0" ); -#endif /* CONFIG_M5407 */ -#if defined(CONFIG_M523x) || defined(CONFIG_M527x) - __asm__ __volatile__ ( - "movel #0x81400100, %%d0\n\t" - "movec %%d0, %%CACR\n\t" - "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M523x || CONFIG_M527x */ -#if defined(CONFIG_M528x) - __asm__ __volatile__ ( - "movel #0x81000200, %%d0\n\t" - "movec %%d0, %%CACR\n\t" - "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M528x */ -#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272) +#ifdef CACHE_PUSH + mcf_cache_push(); +#endif +#ifdef CACHE_INVALIDATE __asm__ __volatile__ ( - "movel #0x81000100, %%d0\n\t" + "movel %0, %%d0\n\t" "movec %%d0, %%CACR\n\t" "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */ -#ifdef CONFIG_M5249 + : : "i" (CACHE_INVALIDATE) : "d0" ); +#endif +} + +/* + * Some ColdFire parts implement separate instruction and data caches, + * on those we should just flush the appropriate cache. If we don't need + * to do any specific flushing then this will be optimized away. + */ +static inline void __flush_icache_all(void) +{ +#ifdef CACHE_INVALIDATEI __asm__ __volatile__ ( - "movel #0xa1000200, %%d0\n\t" + "movel %0, %%d0\n\t" "movec %%d0, %%CACR\n\t" "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M5249 */ -#ifdef CONFIG_M532x + : : "i" (CACHE_INVALIDATEI) : "d0" ); +#endif +} + +static inline void __flush_dcache_all(void) +{ +#ifdef CACHE_PUSH + mcf_cache_push(); +#endif +#ifdef CACHE_INVALIDATED __asm__ __volatile__ ( - "movel #0x81000200, %%d0\n\t" + "movel %0, %%d0\n\t" "movec %%d0, %%CACR\n\t" "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M532x */ + : : "i" (CACHE_INVALIDATED) : "d0" ); +#else + /* Flush the wrtite buffer */ + __asm__ __volatile__ ( "nop" ); +#endif } - #endif /* _M68KNOMMU_CACHEFLUSH_H */ diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h index 3b0a34d0fe33..213028cbe110 100644 --- a/arch/m68k/include/asm/coldfire.h +++ b/arch/m68k/include/asm/coldfire.h @@ -32,7 +32,7 @@ */ #define MCF_MBAR 0x10000000 #define MCF_MBAR2 0x80000000 -#if defined(CONFIG_M548x) +#if defined(CONFIG_M54xx) #define MCF_IPSBAR MCF_MBAR #elif defined(CONFIG_M520x) #define MCF_IPSBAR 0xFC000000 diff --git a/arch/m68k/include/asm/entry_no.h b/arch/m68k/include/asm/entry_no.h index 26be277394f9..627d69bacc58 100644 --- a/arch/m68k/include/asm/entry_no.h +++ b/arch/m68k/include/asm/entry_no.h @@ -42,12 +42,16 @@ */ #ifdef CONFIG_COLDFIRE +#ifdef CONFIG_COLDFIRE_SW_A7 /* - * This is made a little more tricky on the ColdFire. There is no - * separate kernel and user stack pointers. Need to artificially + * This is made a little more tricky on older ColdFires. There is no + * separate supervisor and user stack pointers. Need to artificially * construct a usp in software... When doing this we need to disable - * interrupts, otherwise bad things could happen. + * interrupts, otherwise bad things will happen. */ +.globl sw_usp +.globl sw_ksp + .macro SAVE_ALL move #0x2700,%sr /* disable intrs */ btst #5,%sp@(2) /* from user? */ @@ -74,9 +78,7 @@ 7: .endm -.macro RESTORE_ALL - btst #5,%sp@(PT_SR) /* going user? */ - bnes 8f /* no, skip */ +.macro RESTORE_USER move #0x2700,%sr /* disable intrs */ movel sw_usp,%a0 /* get usp */ movel %sp@(PT_OFF_PC),%a0@- /* copy exception program counter */ @@ -91,19 +93,22 @@ subql #8,sw_usp /* set exception */ movel sw_usp,%sp /* restore usp */ rte - 8: - moveml %sp@,%d1-%d5/%a0-%a2 - lea %sp@(32),%sp /* space for 8 regs */ - movel %sp@+,%d0 - addql #4,%sp /* orig d0 */ - addl %sp@+,%sp /* stkadj */ - rte .endm +.macro RDUSP + movel sw_usp,%a2 +.endm + +.macro WRUSP + movel %a0,sw_usp +.endm + +#else /* !CONFIG_COLDFIRE_SW_A7 */ /* - * Quick exception save, use current stack only. + * Modern ColdFire parts have separate supervisor and user stack + * pointers. Simple load and restore macros for this case. */ -.macro SAVE_LOCAL +.macro SAVE_ALL move #0x2700,%sr /* disable intrs */ clrl %sp@- /* stkadj */ movel %d0,%sp@- /* orig d0 */ @@ -112,7 +117,7 @@ moveml %d1-%d5/%a0-%a2,%sp@ .endm -.macro RESTORE_LOCAL +.macro RESTORE_USER moveml %sp@,%d1-%d5/%a0-%a2 lea %sp@(32),%sp /* space for 8 regs */ movel %sp@+,%d0 @@ -121,6 +126,18 @@ rte .endm +.macro RDUSP + /*move %usp,%a2*/ + .word 0x4e6a +.endm + +.macro WRUSP + /*move %a0,%usp*/ + .word 0x4e60 +.endm + +#endif /* !CONFIG_COLDFIRE_SW_A7 */ + .macro SAVE_SWITCH_STACK lea %sp@(-24),%sp /* 6 regs */ moveml %a3-%a6/%d6-%d7,%sp@ @@ -131,14 +148,6 @@ lea %sp@(24),%sp /* 6 regs */ .endm -/* - * Software copy of the user and kernel stack pointers... Ugh... - * Need these to get around ColdFire not having separate kernel - * and user stack pointers. - */ -.globl sw_usp -.globl sw_ksp - #else /* !CONFIG_COLDFIRE */ /* @@ -167,6 +176,6 @@ moveml %sp@+,%a3-%a6/%d6-%d7 .endm -#endif /* !CONFIG_COLDFIRE */ +#endif /* !COLDFIRE_SW_A7 */ #endif /* __ASSEMBLY__ */ #endif /* __M68KNOMMU_ENTRY_H */ diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h index 1b57adbafad5..c64c7b74cf86 100644 --- a/arch/m68k/include/asm/gpio.h +++ b/arch/m68k/include/asm/gpio.h @@ -37,7 +37,7 @@ #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \ defined(CONFIG_M520x) || defined(CONFIG_M523x) || \ defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M532x) || defined(CONFIG_M548x) + defined(CONFIG_M532x) || defined(CONFIG_M54xx) /* These parts have GPIO organized by 8 bit ports */ diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h index 6e2413e518cb..cf20f3097af6 100644 --- a/arch/m68k/include/asm/io_no.h +++ b/arch/m68k/include/asm/io_no.h @@ -145,7 +145,6 @@ static inline void io_insl(unsigned int addr, void *buf, int len) #define IOMAP_WRITETHROUGH 3 extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag); -extern void __iounmap(void *addr, unsigned long size); static inline void *ioremap(unsigned long physaddr, unsigned long size) { diff --git a/arch/m68k/include/asm/m5206sim.h b/arch/m68k/include/asm/m5206sim.h index 9c384e294af9..561b03b5ddf8 100644 --- a/arch/m68k/include/asm/m5206sim.h +++ b/arch/m68k/include/asm/m5206sim.h @@ -12,6 +12,10 @@ #define m5206sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5206)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m52xxacr.h> /* * Define the 5206 SIM register set addresses. @@ -88,6 +92,14 @@ #define MCFSIM_PADDR (MCF_MBAR + 0x1c5) /* Parallel Direction (r/w) */ #define MCFSIM_PADAT (MCF_MBAR + 0x1c9) /* Parallel Port Value (r/w) */ +#if defined(CONFIG_NETtel) +#define MCFUART_BASE1 0x180 /* Base address of UART1 */ +#define MCFUART_BASE2 0x140 /* Base address of UART2 */ +#else +#define MCFUART_BASE1 0x140 /* Base address of UART1 */ +#define MCFUART_BASE2 0x180 /* Base address of UART2 */ +#endif + /* * Define system peripheral IRQ usage. */ @@ -95,7 +107,7 @@ #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ /* - * Generic GPIO + * Generic GPIO */ #define MCFGPIO_PIN_MAX 8 #define MCFGPIO_IRQ_VECBASE -1 diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h index db824a4b136e..88ed8239fe4e 100644 --- a/arch/m68k/include/asm/m520xsim.h +++ b/arch/m68k/include/asm/m520xsim.h @@ -11,6 +11,11 @@ #define m520xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m520x)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m52xxacr.h> + /* * Define the 520x SIM register set addresses. */ @@ -54,6 +59,9 @@ #define MCFSIM_SDCS0 0x000a8110 /* SDRAM Chip Select 0 Configuration */ #define MCFSIM_SDCS1 0x000a8114 /* SDRAM Chip Select 1 Configuration */ +/* + * EPORT and GPIO registers. + */ #define MCFEPORT_EPDDR 0xFC088002 #define MCFEPORT_EPDR 0xFC088004 #define MCFEPORT_EPPDR 0xFC088005 @@ -97,6 +105,7 @@ #define MCFGPIO_PCLRR_UART 0xFC0A402A #define MCFGPIO_PCLRR_FECH 0xFC0A402B #define MCFGPIO_PCLRR_FECL 0xFC0A402C + /* * Generic GPIO support */ @@ -109,7 +118,6 @@ #define MCFGPIO_PIN_MAX 80 #define MCFGPIO_IRQ_MAX 8 #define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE -/****************************************************************************/ #define MCF_GPIO_PAR_UART (0xA4036) #define MCF_GPIO_PAR_FECI2C (0xA4033) @@ -126,6 +134,13 @@ #define MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2 (0x04) /* + * UART module. + */ +#define MCFUART_BASE1 0x60000 /* Base address of UART1 */ +#define MCFUART_BASE2 0x64000 /* Base address of UART2 */ +#define MCFUART_BASE3 0x68000 /* Base address of UART2 */ + +/* * Reset Controll Unit. */ #define MCF_RCR 0xFC0A0000 diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h index e8d06b24a48e..4ad7a00257a8 100644 --- a/arch/m68k/include/asm/m523xsim.h +++ b/arch/m68k/include/asm/m523xsim.h @@ -11,6 +11,10 @@ #define m523xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m523x)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m52xxacr.h> /* * Define the 523x SIM register set addresses. @@ -50,6 +54,13 @@ #define MCF_RCR_SWRESET 0x80 /* Software reset bit */ #define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */ +/* + * UART module. + */ +#define MCFUART_BASE1 0x200 /* Base address of UART1 */ +#define MCFUART_BASE2 0x240 /* Base address of UART2 */ +#define MCFUART_BASE3 0x280 /* Base address of UART3 */ + #define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000) #define MCFGPIO_PODR_DATAH (MCF_IPSBAR + 0x100001) #define MCFGPIO_PODR_DATAL (MCF_IPSBAR + 0x100002) diff --git a/arch/m68k/include/asm/m5249sim.h b/arch/m68k/include/asm/m5249sim.h index 79b7b402f3c9..4908b118f2fd 100644 --- a/arch/m68k/include/asm/m5249sim.h +++ b/arch/m68k/include/asm/m5249sim.h @@ -11,6 +11,11 @@ #define m5249sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5249)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m52xxacr.h> + /* * Define the 5249 SIM register set addresses. */ @@ -56,6 +61,11 @@ #define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */ #define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */ +/* + * UART module. + */ +#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */ +#define MCFUART_BASE2 0x200 /* Base address of UART2 */ /* * Some symbol defines for the above... diff --git a/arch/m68k/include/asm/m5272sim.h b/arch/m68k/include/asm/m5272sim.h index df3332c2317d..b7cc50abc831 100644 --- a/arch/m68k/include/asm/m5272sim.h +++ b/arch/m68k/include/asm/m5272sim.h @@ -12,6 +12,11 @@ #define m5272sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5272)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m52xxacr.h> + /* * Define the 5272 SIM register set addresses. */ @@ -62,6 +67,9 @@ #define MCFSIM_DCMR1 0x5c /* DRAM 1 Mask reg (r/w) */ #define MCFSIM_DCCR1 0x63 /* DRAM 1 Control reg (r/w) */ +#define MCFUART_BASE1 0x100 /* Base address of UART1 */ +#define MCFUART_BASE2 0x140 /* Base address of UART2 */ + #define MCFSIM_PACNT (MCF_MBAR + 0x80) /* Port A Control (r/w) */ #define MCFSIM_PADDR (MCF_MBAR + 0x84) /* Port A Direction (r/w) */ #define MCFSIM_PADAT (MCF_MBAR + 0x86) /* Port A Data (r/w) */ diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h index 1feb46f108ce..e8042e8bc003 100644 --- a/arch/m68k/include/asm/m527xsim.h +++ b/arch/m68k/include/asm/m527xsim.h @@ -11,6 +11,10 @@ #define m527xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m527x)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m52xxacr.h> /* * Define the 5270/5271 SIM register set addresses. @@ -55,6 +59,12 @@ #define MCFSIM_DMR1 0x5c /* SDRAM address mask 1 */ #endif +/* + * UART module. + */ +#define MCFUART_BASE1 0x200 /* Base address of UART1 */ +#define MCFUART_BASE2 0x240 /* Base address of UART2 */ +#define MCFUART_BASE3 0x280 /* Base address of UART3 */ #ifdef CONFIG_M5271 #define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000) diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h index 891cbedad972..a6d2f4d9aaa0 100644 --- a/arch/m68k/include/asm/m528xsim.h +++ b/arch/m68k/include/asm/m528xsim.h @@ -11,6 +11,10 @@ #define m528xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m528x)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m52xxacr.h> /* * Define the 5280/5282 SIM register set addresses. @@ -42,6 +46,13 @@ #define MCFSIM_DMR1 0x54 /* SDRAM address mask 1 */ /* + * UART module. + */ +#define MCFUART_BASE1 0x200 /* Base address of UART1 */ +#define MCFUART_BASE2 0x240 /* Base address of UART2 */ +#define MCFUART_BASE3 0x280 /* Base address of UART3 */ + +/* * GPIO registers */ #define MCFGPIO_PORTA (MCF_IPSBAR + 0x00100000) diff --git a/arch/m68k/include/asm/m52xxacr.h b/arch/m68k/include/asm/m52xxacr.h new file mode 100644 index 000000000000..abc391a9ae8d --- /dev/null +++ b/arch/m68k/include/asm/m52xxacr.h @@ -0,0 +1,94 @@ +/****************************************************************************/ + +/* + * m52xxacr.h -- ColdFire version 2 core cache support + * + * (C) Copyright 2010, Greg Ungerer <gerg@snapgear.com> + */ + +/****************************************************************************/ +#ifndef m52xxacr_h +#define m52xxacr_h +/****************************************************************************/ + +/* + * All varients of the ColdFire using version 2 cores have a similar + * cache setup. Although not absolutely identical the cache register + * definitions are compatible for all of them. Mostly they support a + * configurable cache memory that can be instruction only, data only, + * or split instruction and data. The exception is the very old version 2 + * core based parts, like the 5206(e), 5249 and 5272, which are instruction + * cache only. Cache size varies from 2k up to 16k. + */ + +/* + * Define the Cache Control register flags. + */ +#define CACR_CENB 0x80000000 /* Enable cache */ +#define CACR_CDPI 0x10000000 /* Disable invalidation by CPUSHL */ +#define CACR_CFRZ 0x08000000 /* Cache freeze mode */ +#define CACR_CINV 0x01000000 /* Invalidate cache */ +#define CACR_DISI 0x00800000 /* Disable instruction cache */ +#define CACR_DISD 0x00400000 /* Disable data cache */ +#define CACR_INVI 0x00200000 /* Invalidate instruction cache */ +#define CACR_INVD 0x00100000 /* Invalidate data cache */ +#define CACR_CEIB 0x00000400 /* Non-cachable instruction burst */ +#define CACR_DCM 0x00000200 /* Default cache mode */ +#define CACR_DBWE 0x00000100 /* Buffered write enable */ +#define CACR_DWP 0x00000020 /* Write protection */ +#define CACR_EUSP 0x00000010 /* Enable separate user a7 */ + +/* + * Define the Access Control register flags. + */ +#define ACR_BASE_POS 24 /* Address Base (upper 8 bits) */ +#define ACR_MASK_POS 16 /* Address Mask (next 8 bits) */ +#define ACR_ENABLE 0x00008000 /* Enable this ACR */ +#define ACR_USER 0x00000000 /* Allow only user accesses */ +#define ACR_SUPER 0x00002000 /* Allow supervisor access only */ +#define ACR_ANY 0x00004000 /* Allow any access type */ +#define ACR_CENB 0x00000000 /* Caching of region enabled */ +#define ACR_CDIS 0x00000040 /* Caching of region disabled */ +#define ACR_BWE 0x00000020 /* Write buffer enabled */ +#define ACR_WPROTECT 0x00000004 /* Write protect region */ + +/* + * Set the cache controller settings we will use. On the cores that support + * a split cache configuration we allow all the combinations at Kconfig + * time. For those cores that only have an instruction cache we just set + * that as on. + */ +#if defined(CONFIG_CACHE_I) +#define CACHE_TYPE (CACR_DISD + CACR_EUSP) +#define CACHE_INVTYPEI 0 +#elif defined(CONFIG_CACHE_D) +#define CACHE_TYPE (CACR_DISI + CACR_EUSP) +#define CACHE_INVTYPED 0 +#elif defined(CONFIG_CACHE_BOTH) +#define CACHE_TYPE CACR_EUSP +#define CACHE_INVTYPEI CACR_INVI +#define CACHE_INVTYPED CACR_INVD +#else +/* This is the instruction cache only devices (no split cache, no eusp) */ +#define CACHE_TYPE 0 +#define CACHE_INVTYPEI 0 +#endif + +#define CACHE_INIT (CACR_CINV + CACHE_TYPE) +#define CACHE_MODE (CACR_CENB + CACHE_TYPE + CACR_DCM) + +#define CACHE_INVALIDATE (CACHE_MODE + CACR_CINV) +#if defined(CACHE_INVTYPEI) +#define CACHE_INVALIDATEI (CACHE_MODE + CACR_CINV + CACHE_INVTYPEI) +#endif +#if defined(CACHE_INVTYPED) +#define CACHE_INVALIDATED (CACHE_MODE + CACR_CINV + CACHE_INVTYPED) +#endif + +#define ACR0_MODE ((CONFIG_RAMBASE & 0xff000000) + \ + (0x000f0000) + \ + (ACR_ENABLE + ACR_ANY + ACR_CENB + ACR_BWE)) +#define ACR1_MODE 0 + +/****************************************************************************/ +#endif /* m52xxsim_h */ diff --git a/arch/m68k/include/asm/m5307sim.h b/arch/m68k/include/asm/m5307sim.h index c6830e5b54ce..0bf57397e7a9 100644 --- a/arch/m68k/include/asm/m5307sim.h +++ b/arch/m68k/include/asm/m5307sim.h @@ -14,6 +14,11 @@ #define m5307sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5307)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m53xxacr.h> + /* * Define the 5307 SIM register set addresses. */ @@ -94,6 +99,17 @@ #define MCFSIM_PADAT (MCF_MBAR + 0x248) /* + * UART module. + */ +#if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3) +#define MCFUART_BASE1 0x200 /* Base address of UART1 */ +#define MCFUART_BASE2 0x1c0 /* Base address of UART2 */ +#else +#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */ +#define MCFUART_BASE2 0x200 /* Base address of UART2 */ +#endif + +/* * Generic GPIO support */ #define MCFGPIO_PIN_MAX 16 @@ -146,32 +162,5 @@ #define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ -/* - * Define the Cache register flags. - */ -#define CACR_EC (1<<31) -#define CACR_ESB (1<<29) -#define CACR_DPI (1<<28) -#define CACR_HLCK (1<<27) -#define CACR_CINVA (1<<24) -#define CACR_DNFB (1<<10) -#define CACR_DCM_WTHRU (0<<8) -#define CACR_DCM_WBACK (1<<8) -#define CACR_DCM_OFF_PRE (2<<8) -#define CACR_DCM_OFF_IMP (3<<8) -#define CACR_DW (1<<5) - -#define ACR_BASE_POS 24 -#define ACR_MASK_POS 16 -#define ACR_ENABLE (1<<15) -#define ACR_USER (0<<13) -#define ACR_SUPER (1<<13) -#define ACR_ANY (2<<13) -#define ACR_CM_WTHRU (0<<5) -#define ACR_CM_WBACK (1<<5) -#define ACR_CM_OFF_PRE (2<<5) -#define ACR_CM_OFF_IMP (3<<5) -#define ACR_WPROTECT (1<<2) - /****************************************************************************/ #endif /* m5307sim_h */ diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h index c4bf1c81e3cf..e6470f8ca324 100644 --- a/arch/m68k/include/asm/m532xsim.h +++ b/arch/m68k/include/asm/m532xsim.h @@ -9,6 +9,11 @@ #define m532xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m532x)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m53xxacr.h> + #define MCF_REG32(x) (*(volatile unsigned long *)(x)) #define MCF_REG16(x) (*(volatile unsigned short *)(x)) #define MCF_REG08(x) (*(volatile unsigned char *)(x)) @@ -74,31 +79,11 @@ #define MCF_IRQ_PROFILER (64 + 33) /* Timer1 */ /* - * Define the Cache register flags. + * UART module. */ -#define CACR_EC (1<<31) -#define CACR_ESB (1<<29) -#define CACR_DPI (1<<28) -#define CACR_HLCK (1<<27) -#define CACR_CINVA (1<<24) -#define CACR_DNFB (1<<10) -#define CACR_DCM_WTHRU (0<<8) -#define CACR_DCM_WBACK (1<<8) -#define CACR_DCM_OFF_PRE (2<<8) -#define CACR_DCM_OFF_IMP (3<<8) -#define CACR_DW (1<<5) - -#define ACR_BASE_POS 24 -#define ACR_MASK_POS 16 -#define ACR_ENABLE (1<<15) -#define ACR_USER (0<<13) -#define ACR_SUPER (1<<13) -#define ACR_ANY (2<<13) -#define ACR_CM_WTHRU (0<<5) -#define ACR_CM_WBACK (1<<5) -#define ACR_CM_OFF_PRE (2<<5) -#define ACR_CM_OFF_IMP (3<<5) -#define ACR_WPROTECT (1<<2) +#define MCFUART_BASE1 0xFC060000 /* Base address of UART1 */ +#define MCFUART_BASE2 0xFC064000 /* Base address of UART2 */ +#define MCFUART_BASE3 0xFC068000 /* Base address of UART3 */ /********************************************************************* * diff --git a/arch/m68k/include/asm/m53xxacr.h b/arch/m68k/include/asm/m53xxacr.h new file mode 100644 index 000000000000..cd952b0a8bd3 --- /dev/null +++ b/arch/m68k/include/asm/m53xxacr.h @@ -0,0 +1,101 @@ +/****************************************************************************/ + +/* + * m53xxacr.h -- ColdFire version 3 core cache support + * + * (C) Copyright 2010, Greg Ungerer <gerg@snapgear.com> + */ + +/****************************************************************************/ +#ifndef m53xxacr_h +#define m53xxacr_h +/****************************************************************************/ + +/* + * All varients of the ColdFire using version 3 cores have a similar + * cache setup. They have a unified instruction and data cache, with + * configurable write-through or copy-back operation. + */ + +/* + * Define the Cache Control register flags. + */ +#define CACR_EC 0x80000000 /* Enable cache */ +#define CACR_ESB 0x20000000 /* Enable store buffer */ +#define CACR_DPI 0x10000000 /* Disable invalidation by CPUSHL */ +#define CACR_HLCK 0x08000000 /* Half cache lock mode */ +#define CACR_CINVA 0x01000000 /* Invalidate cache */ +#define CACR_DNFB 0x00000400 /* Inhibited fill buffer */ +#define CACR_DCM_WT 0x00000000 /* Cacheable write-through */ +#define CACR_DCM_CB 0x00000100 /* Cacheable copy-back */ +#define CACR_DCM_PRE 0x00000200 /* Cache inhibited, precise */ +#define CACR_DCM_IMPRE 0x00000300 /* Cache inhibited, imprecise */ +#define CACR_WPROTECT 0x00000020 /* Write protect*/ +#define CACR_EUSP 0x00000010 /* Eanble separate user a7 */ + +/* + * Define the Access Control register flags. + */ +#define ACR_BASE_POS 24 /* Address Base (upper 8 bits) */ +#define ACR_MASK_POS 16 /* Address Mask (next 8 bits) */ +#define ACR_ENABLE 0x00008000 /* Enable this ACR */ +#define ACR_USER 0x00000000 /* Allow only user accesses */ +#define ACR_SUPER 0x00002000 /* Allow supervisor access only */ +#define ACR_ANY 0x00004000 /* Allow any access type */ +#define ACR_CM_WT 0x00000000 /* Cacheable, write-through */ +#define ACR_CM_CB 0x00000020 /* Cacheable, copy-back */ +#define ACR_CM_PRE 0x00000040 /* Cache inhibited, precise */ +#define ACR_CM_IMPRE 0x00000060 /* Cache inhibited, imprecise */ +#define ACR_WPROTECT 0x00000004 /* Write protect region */ + +/* + * Define the cache type and arrangement (needed for pushes). + */ +#if defined(CONFIG_M5307) +#define CACHE_SIZE 0x2000 /* 8k of unified cache */ +#define ICACHE_SIZE CACHE_SIZE +#define DCACHE_SIZE CACHE_SIZE +#elif defined(CONFIG_M532x) +#define CACHE_SIZE 0x4000 /* 32k of unified cache */ +#define ICACHE_SIZE CACHE_SIZE +#define DCACHE_SIZE CACHE_SIZE +#endif + +#define CACHE_LINE_SIZE 16 /* 16 byte line size */ +#define CACHE_WAYS 4 /* 4 ways - set associative */ + +/* + * Set the cache controller settings we will use. This default in the + * CACR is cache inhibited, we use the ACR register to set cacheing + * enabled on the regions we want (eg RAM). + */ +#if defined(CONFIG_CACHE_COPYBACK) +#define CACHE_TYPE ACR_CM_CB +#define CACHE_PUSH +#else +#define CACHE_TYPE ACR_CM_WT +#endif + +#ifdef CONFIG_COLDFIRE_SW_A7 +#define CACHE_MODE (CACR_EC + CACR_ESB + CACR_DCM_PRE) +#else +#define CACHE_MODE (CACR_EC + CACR_ESB + CACR_DCM_PRE + CACR_EUSP) +#endif + +/* + * Unified cache means we will never need to flush for coherency of + * instruction fetch. We will need to flush to maintain memory/DMA + * coherency though in all cases. And for copyback caches we will need + * to push cached data as well. + */ +#define CACHE_INIT CACR_CINVA +#define CACHE_INVALIDATE CACR_CINVA +#define CACHE_INVALIDATED CACR_CINVA + +#define ACR0_MODE ((CONFIG_RAMBASE & 0xff000000) + \ + (0x000f0000) + \ + (ACR_ENABLE + ACR_ANY + CACHE_TYPE)) +#define ACR1_MODE 0 + +/****************************************************************************/ +#endif /* m53xxsim_h */ diff --git a/arch/m68k/include/asm/m5407sim.h b/arch/m68k/include/asm/m5407sim.h index c399abbf953c..75f5c28a551d 100644 --- a/arch/m68k/include/asm/m5407sim.h +++ b/arch/m68k/include/asm/m5407sim.h @@ -14,6 +14,11 @@ #define m5407sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5407)" +#define CPU_INSTR_PER_JIFFY 3 + +#include <asm/m54xxacr.h> + /* * Define the 5407 SIM register set addresses. */ @@ -73,6 +78,9 @@ #define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */ #define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */ +#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */ +#define MCFUART_BASE2 0x200 /* Base address of UART2 */ + #define MCFSIM_PADDR (MCF_MBAR + 0x244) #define MCFSIM_PADAT (MCF_MBAR + 0x248) @@ -117,39 +125,5 @@ #define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ -/* - * Define the Cache register flags. - */ -#define CACR_DEC 0x80000000 /* Enable data cache */ -#define CACR_DWP 0x40000000 /* Data write protection */ -#define CACR_DESB 0x20000000 /* Enable data store buffer */ -#define CACR_DDPI 0x10000000 /* Disable CPUSHL */ -#define CACR_DHCLK 0x08000000 /* Half data cache lock mode */ -#define CACR_DDCM_WT 0x00000000 /* Write through cache*/ -#define CACR_DDCM_CP 0x02000000 /* Copyback cache */ -#define CACR_DDCM_P 0x04000000 /* No cache, precise */ -#define CACR_DDCM_IMP 0x06000000 /* No cache, imprecise */ -#define CACR_DCINVA 0x01000000 /* Invalidate data cache */ -#define CACR_BEC 0x00080000 /* Enable branch cache */ -#define CACR_BCINVA 0x00040000 /* Invalidate branch cache */ -#define CACR_IEC 0x00008000 /* Enable instruction cache */ -#define CACR_DNFB 0x00002000 /* Inhibited fill buffer */ -#define CACR_IDPI 0x00001000 /* Disable CPUSHL */ -#define CACR_IHLCK 0x00000800 /* Intruction cache half lock */ -#define CACR_IDCM 0x00000400 /* Intruction cache inhibit */ -#define CACR_ICINVA 0x00000100 /* Invalidate instr cache */ - -#define ACR_BASE_POS 24 /* Address Base */ -#define ACR_MASK_POS 16 /* Address Mask */ -#define ACR_ENABLE 0x00008000 /* Enable address */ -#define ACR_USER 0x00000000 /* User mode access only */ -#define ACR_SUPER 0x00002000 /* Supervisor mode only */ -#define ACR_ANY 0x00004000 /* Match any access mode */ -#define ACR_CM_WT 0x00000000 /* Write through mode */ -#define ACR_CM_CP 0x00000020 /* Copyback mode */ -#define ACR_CM_OFF_PRE 0x00000040 /* No cache, precise */ -#define ACR_CM_OFF_IMP 0x00000060 /* No cache, imprecise */ -#define ACR_WPROTECT 0x00000004 /* Write protect */ - /****************************************************************************/ #endif /* m5407sim_h */ diff --git a/arch/m68k/include/asm/m54xxacr.h b/arch/m68k/include/asm/m54xxacr.h new file mode 100644 index 000000000000..16a1835f9b2a --- /dev/null +++ b/arch/m68k/include/asm/m54xxacr.h @@ -0,0 +1,97 @@ +/* + * Bit definitions for the MCF54xx ACR and CACR registers. + */ + +#ifndef m54xxacr_h +#define m54xxacr_h + +/* + * Define the Cache register flags. + */ +#define CACR_DEC 0x80000000 /* Enable data cache */ +#define CACR_DWP 0x40000000 /* Data write protection */ +#define CACR_DESB 0x20000000 /* Enable data store buffer */ +#define CACR_DDPI 0x10000000 /* Disable invalidation by CPUSHL */ +#define CACR_DHCLK 0x08000000 /* Half data cache lock mode */ +#define CACR_DDCM_WT 0x00000000 /* Write through cache*/ +#define CACR_DDCM_CP 0x02000000 /* Copyback cache */ +#define CACR_DDCM_P 0x04000000 /* No cache, precise */ +#define CACR_DDCM_IMP 0x06000000 /* No cache, imprecise */ +#define CACR_DCINVA 0x01000000 /* Invalidate data cache */ +#define CACR_BEC 0x00080000 /* Enable branch cache */ +#define CACR_BCINVA 0x00040000 /* Invalidate branch cache */ +#define CACR_IEC 0x00008000 /* Enable instruction cache */ +#define CACR_DNFB 0x00002000 /* Inhibited fill buffer */ +#define CACR_IDPI 0x00001000 /* Disable CPUSHL */ +#define CACR_IHLCK 0x00000800 /* Intruction cache half lock */ +#define CACR_IDCM 0x00000400 /* Intruction cache inhibit */ +#define CACR_ICINVA 0x00000100 /* Invalidate instr cache */ +#define CACR_EUSP 0x00000020 /* Enable separate user a7 */ + +#define ACR_BASE_POS 24 /* Address Base */ +#define ACR_MASK_POS 16 /* Address Mask */ +#define ACR_ENABLE 0x00008000 /* Enable address */ +#define ACR_USER 0x00000000 /* User mode access only */ +#define ACR_SUPER 0x00002000 /* Supervisor mode only */ +#define ACR_ANY 0x00004000 /* Match any access mode */ +#define ACR_CM_WT 0x00000000 /* Write through mode */ +#define ACR_CM_CP 0x00000020 /* Copyback mode */ +#define ACR_CM_OFF_PRE 0x00000040 /* No cache, precise */ +#define ACR_CM_OFF_IMP 0x00000060 /* No cache, imprecise */ +#define ACR_CM 0x00000060 /* Cache mode mask */ +#define ACR_WPROTECT 0x00000004 /* Write protect */ + +#if defined(CONFIG_M5407) + +#define ICACHE_SIZE 0x4000 /* instruction - 16k */ +#define DCACHE_SIZE 0x2000 /* data - 8k */ + +#elif defined(CONFIG_M54xx) + +#define ICACHE_SIZE 0x8000 /* instruction - 32k */ +#define DCACHE_SIZE 0x8000 /* data - 32k */ + +#endif + +#define CACHE_LINE_SIZE 0x0010 /* 16 bytes */ +#define CACHE_WAYS 4 /* 4 ways */ + +/* + * Version 4 cores have a true harvard style separate instruction + * and data cache. Enable data and instruction caches, also enable write + * buffers and branch accelerator. + */ +/* attention : enabling CACR_DESB requires a "nop" to flush the store buffer */ +/* use '+' instead of '|' for assembler's sake */ + + /* Enable data cache */ + /* Enable data store buffer */ + /* outside ACRs : No cache, precise */ + /* Enable instruction+branch caches */ +#if defined(CONFIG_M5407) +#define CACHE_MODE (CACR_DEC+CACR_DESB+CACR_DDCM_P+CACR_BEC+CACR_IEC) +#else +#define CACHE_MODE (CACR_DEC+CACR_DESB+CACR_DDCM_P+CACR_BEC+CACR_IEC+CACR_EUSP) +#endif +#if defined(CONFIG_CACHE_COPYBACK) +#define DATA_CACHE_MODE (ACR_ENABLE+ACR_ANY+ACR_CM_CP) +#else +#define DATA_CACHE_MODE (ACR_ENABLE+ACR_ANY+ACR_CM_WT) +#endif +#define INSN_CACHE_MODE (ACR_ENABLE+ACR_ANY) + +#define CACHE_INIT (CACR_DCINVA+CACR_BCINVA+CACR_ICINVA) +#define CACHE_INVALIDATE (CACHE_MODE+CACR_DCINVA+CACR_BCINVA+CACR_ICINVA) +#define CACHE_INVALIDATEI (CACHE_MODE+CACR_BCINVA+CACR_ICINVA) +#define CACHE_INVALIDATED (CACHE_MODE+CACR_DCINVA) +#define ACR0_MODE (0x000f0000+DATA_CACHE_MODE) +#define ACR1_MODE 0 +#define ACR2_MODE (0x000f0000+INSN_CACHE_MODE) +#define ACR3_MODE 0 + +#if ((DATA_CACHE_MODE & ACR_CM) == ACR_CM_CP) +/* Copyback cache mode must push dirty cache lines first */ +#define CACHE_PUSH +#endif + +#endif /* m54xxacr_h */ diff --git a/arch/m68k/include/asm/m548xgpt.h b/arch/m68k/include/asm/m54xxgpt.h index 33b2eef90f0a..df75dd87ae7a 100644 --- a/arch/m68k/include/asm/m548xgpt.h +++ b/arch/m68k/include/asm/m54xxgpt.h @@ -1,13 +1,13 @@ /* - * File: m548xgpt.h - * Purpose: Register and bit definitions for the MCF548X + * File: m54xxgpt.h + * Purpose: Register and bit definitions for the MCF54XX * * Notes: * */ -#ifndef m548xgpt_h -#define m548xgpt_h +#ifndef m54xxgpt_h +#define m54xxgpt_h /********************************************************************* * @@ -87,4 +87,4 @@ /********************************************************************/ -#endif /* m548xgpt_h */ +#endif /* m54xxgpt_h */ diff --git a/arch/m68k/include/asm/m548xsim.h b/arch/m68k/include/asm/m54xxsim.h index 149135ef30d2..462ae5328441 100644 --- a/arch/m68k/include/asm/m548xsim.h +++ b/arch/m68k/include/asm/m54xxsim.h @@ -1,11 +1,16 @@ /* - * m548xsim.h -- ColdFire 547x/548x System Integration Unit support. + * m54xxsim.h -- ColdFire 547x/548x System Integration Unit support. */ -#ifndef m548xsim_h -#define m548xsim_h +#ifndef m54xxsim_h +#define m54xxsim_h -#define MCFINT_VECBASE 64 +#define CPU_NAME "COLDFIRE(m54xx)" +#define CPU_INSTR_PER_JIFFY 2 + +#include <asm/m54xxacr.h> + +#define MCFINT_VECBASE 64 /* * Interrupt Controller Registers @@ -22,6 +27,14 @@ #define MCFINTC_ICR0 0x40 /* Base ICR register */ /* + * UART module. + */ +#define MCFUART_BASE1 0x8600 /* Base address of UART1 */ +#define MCFUART_BASE2 0x8700 /* Base address of UART2 */ +#define MCFUART_BASE3 0x8800 /* Base address of UART3 */ +#define MCFUART_BASE4 0x8900 /* Base address of UART4 */ + +/* * Define system peripheral IRQ usage. */ #define MCF_IRQ_TIMER (64 + 54) /* Slice Timer 0 */ @@ -52,4 +65,4 @@ #define MCF_PAR_PSC_RTS_RTS (0x30) #define MCF_PAR_PSC_CANRX (0x40) -#endif /* m548xsim_h */ +#endif /* m54xxsim_h */ diff --git a/arch/m68k/include/asm/mcfcache.h b/arch/m68k/include/asm/mcfcache.h deleted file mode 100644 index f49dfc09f70a..000000000000 --- a/arch/m68k/include/asm/mcfcache.h +++ /dev/null @@ -1,150 +0,0 @@ -/****************************************************************************/ - -/* - * mcfcache.h -- ColdFire CPU cache support code - * - * (C) Copyright 2004, Greg Ungerer <gerg@snapgear.com> - */ - -/****************************************************************************/ -#ifndef __M68KNOMMU_MCFCACHE_H -#define __M68KNOMMU_MCFCACHE_H -/****************************************************************************/ - - -/* - * The different ColdFire families have different cache arrangments. - * Everything from a small instruction only cache, to configurable - * data and/or instruction cache, to unified instruction/data, to - * harvard style separate instruction and data caches. - */ - -#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272) -/* - * Simple version 2 core cache. These have instruction cache only, - * we just need to invalidate it and enable it. - */ -.macro CACHE_ENABLE - movel #0x01000000,%d0 /* invalidate cache cmd */ - movec %d0,%CACR /* do invalidate cache */ - movel #0x80000100,%d0 /* setup cache mask */ - movec %d0,%CACR /* enable cache */ -.endm -#endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */ - -#if defined(CONFIG_M523x) || defined(CONFIG_M527x) -/* - * New version 2 cores have a configurable split cache arrangement. - * For now I am just enabling instruction cache - but ultimately I - * think a split instruction/data cache would be better. - */ -.macro CACHE_ENABLE - movel #0x01400000,%d0 - movec %d0,%CACR /* invalidate cache */ - nop - movel #0x0000c000,%d0 /* set SDRAM cached only */ - movec %d0,%ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - movel #0x80400100,%d0 /* configure cache */ - movec %d0,%CACR /* enable cache */ - nop -.endm -#endif /* CONFIG_M523x || CONFIG_M527x */ - -#if defined(CONFIG_M528x) -.macro CACHE_ENABLE - nop - movel #0x01000000, %d0 - movec %d0, %CACR /* Invalidate cache */ - nop - movel #0x0000c020, %d0 /* Set SDRAM cached only */ - movec %d0, %ACR0 - movel #0x00000000, %d0 /* No other regions cached */ - movec %d0, %ACR1 - movel #0x80000200, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - nop -.endm -#endif /* CONFIG_M528x */ - -#if defined(CONFIG_M5249) || defined(CONFIG_M5307) -/* - * The version 3 core cache. Oddly enough the version 2 core 5249 - * has the same SDRAM and cache setup as the version 3 cores. - * This is a single unified instruction/data cache. - */ -.macro CACHE_ENABLE - movel #0x01000000,%d0 /* invalidate whole cache */ - movec %d0,%CACR - nop -#if defined(DEBUGGER_COMPATIBLE_CACHE) || defined(CONFIG_SECUREEDGEMP3) - movel #0x0000c000,%d0 /* set SDRAM cached (write-thru) */ -#else - movel #0x0000c020,%d0 /* set SDRAM cached (copyback) */ -#endif - movec %d0,%ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - movel #0xa0000200,%d0 /* enable cache */ - movec %d0,%CACR - nop -.endm -#endif /* CONFIG_M5249 || CONFIG_M5307 */ - -#if defined(CONFIG_M532x) -.macro CACHE_ENABLE - movel #0x01000000,%d0 /* invalidate cache cmd */ - movec %d0,%CACR /* do invalidate cache */ - nop - movel #0x4001C000,%d0 /* set SDRAM cached (write-thru) */ - movec %d0,%ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - movel #0x80000200,%d0 /* setup cache mask */ - movec %d0,%CACR /* enable cache */ - nop -.endm -#endif /* CONFIG_M532x */ - -#if defined(CONFIG_M5407) || defined(CONFIG_M548x) -/* - * Version 4 cores have a true harvard style separate instruction - * and data cache. Invalidate and enable cache, also enable write - * buffers and branch accelerator. - */ -.macro CACHE_ENABLE - movel #0x01040100,%d0 /* invalidate whole cache */ - movec %d0,%CACR - nop - movel #0x000fc000,%d0 /* set SDRAM cached only */ - movec %d0, %ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0, %ACR1 - movel #0x000fc000,%d0 /* set SDRAM cached only */ - movec %d0, %ACR2 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0, %ACR3 - movel #0xb6088400,%d0 /* enable caches */ - movec %d0,%CACR - nop -.endm -#endif /* CONFIG_M5407 */ - -#if defined(CONFIG_M520x) -.macro CACHE_ENABLE - move.l #0x01000000,%d0 /* invalidate whole cache */ - movec %d0,%CACR - nop - move.l #0x0000c000,%d0 /* set SDRAM cached (write-thru) */ - movec %d0,%ACR0 - move.l #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - move.l #0x80400000,%d0 /* enable 8K instruction cache */ - movec %d0,%CACR - nop -.endm -#endif /* CONFIG_M520x */ - -/****************************************************************************/ -#endif /* __M68KNOMMU_MCFCACHE_H */ diff --git a/arch/m68k/include/asm/mcfsim.h b/arch/m68k/include/asm/mcfsim.h index 6901fd68165b..ebd0304054ad 100644 --- a/arch/m68k/include/asm/mcfsim.h +++ b/arch/m68k/include/asm/mcfsim.h @@ -41,8 +41,8 @@ #elif defined(CONFIG_M5407) #include <asm/m5407sim.h> #include <asm/mcfintc.h> -#elif defined(CONFIG_M548x) -#include <asm/m548xsim.h> +#elif defined(CONFIG_M54xx) +#include <asm/m54xxsim.h> #endif /****************************************************************************/ diff --git a/arch/m68k/include/asm/mcfuart.h b/arch/m68k/include/asm/mcfuart.h index db72e2b889ca..2abedff0a694 100644 --- a/arch/m68k/include/asm/mcfuart.h +++ b/arch/m68k/include/asm/mcfuart.h @@ -12,49 +12,6 @@ #define mcfuart_h /****************************************************************************/ -/* - * Define the base address of the UARTS within the MBAR address - * space. - */ -#if defined(CONFIG_M5272) -#define MCFUART_BASE1 0x100 /* Base address of UART1 */ -#define MCFUART_BASE2 0x140 /* Base address of UART2 */ -#elif defined(CONFIG_M5206) || defined(CONFIG_M5206e) -#if defined(CONFIG_NETtel) -#define MCFUART_BASE1 0x180 /* Base address of UART1 */ -#define MCFUART_BASE2 0x140 /* Base address of UART2 */ -#else -#define MCFUART_BASE1 0x140 /* Base address of UART1 */ -#define MCFUART_BASE2 0x180 /* Base address of UART2 */ -#endif -#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) -#define MCFUART_BASE1 0x200 /* Base address of UART1 */ -#define MCFUART_BASE2 0x240 /* Base address of UART2 */ -#define MCFUART_BASE3 0x280 /* Base address of UART3 */ -#elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407) -#if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3) -#define MCFUART_BASE1 0x200 /* Base address of UART1 */ -#define MCFUART_BASE2 0x1c0 /* Base address of UART2 */ -#else -#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */ -#define MCFUART_BASE2 0x200 /* Base address of UART2 */ -#endif -#elif defined(CONFIG_M520x) -#define MCFUART_BASE1 0x60000 /* Base address of UART1 */ -#define MCFUART_BASE2 0x64000 /* Base address of UART2 */ -#define MCFUART_BASE3 0x68000 /* Base address of UART2 */ -#elif defined(CONFIG_M532x) -#define MCFUART_BASE1 0xfc060000 /* Base address of UART1 */ -#define MCFUART_BASE2 0xfc064000 /* Base address of UART2 */ -#define MCFUART_BASE3 0xfc068000 /* Base address of UART3 */ -#elif defined(CONFIG_M548x) -#define MCFUART_BASE1 0x8600 /* on M548x */ -#define MCFUART_BASE2 0x8700 /* on M548x */ -#define MCFUART_BASE3 0x8800 /* on M548x */ -#define MCFUART_BASE4 0x8900 /* on M548x */ -#endif - - #include <linux/serial_core.h> #include <linux/platform_device.h> @@ -217,7 +174,7 @@ struct mcf_platform_uart { #define MCFUART_URF_RXS 0xc0 /* Receiver status */ #endif -#if defined(CONFIG_M548x) +#if defined(CONFIG_M54xx) #define MCFUART_TXFIFOSIZE 512 #elif defined(CONFIG_M5272) #define MCFUART_TXFIFOSIZE 25 diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index 7a6a7590cc02..278c69bad57a 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -20,23 +20,26 @@ static inline unsigned long rdusp(void) { -#ifdef CONFIG_COLDFIRE +#ifdef CONFIG_COLDFIRE_SW_A7 extern unsigned int sw_usp; return sw_usp; #else - unsigned long usp; - __asm__ __volatile__("move %/usp,%0" : "=a" (usp)); + register unsigned long usp __asm__("a0"); + /* move %usp,%a0 */ + __asm__ __volatile__(".word 0x4e68" : "=a" (usp)); return usp; #endif } static inline void wrusp(unsigned long usp) { -#ifdef CONFIG_COLDFIRE +#ifdef CONFIG_COLDFIRE_SW_A7 extern unsigned int sw_usp; sw_usp = usp; #else - __asm__ __volatile__("move %0,%/usp" : : "a" (usp)); + register unsigned long a0 __asm__("a0") = usp; + /* move %a0,%usp */ + __asm__ __volatile__(".word 0x4e60" : : "a" (a0) ); #endif } diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index fa9f746cf4ae..704e7b92334c 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -75,6 +75,16 @@ config GENERIC_CLOCKEVENTS config NO_IOPORT def_bool y +config COLDFIRE_SW_A7 + bool + default n + +config HAVE_CACHE_SPLIT + bool + +config HAVE_CACHE_CB + bool + source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -107,69 +117,90 @@ config M68360 config M5206 bool "MCF5206" + select COLDFIRE_SW_A7 help Motorola ColdFire 5206 processor support. config M5206e bool "MCF5206e" + select COLDFIRE_SW_A7 help Motorola ColdFire 5206e processor support. config M520x bool "MCF520x" select GENERIC_CLOCKEVENTS + select HAVE_CACHE_SPLIT help Freescale Coldfire 5207/5208 processor support. config M523x bool "MCF523x" select GENERIC_CLOCKEVENTS + select HAVE_CACHE_SPLIT help Freescale Coldfire 5230/1/2/4/5 processor support config M5249 bool "MCF5249" + select COLDFIRE_SW_A7 help Motorola ColdFire 5249 processor support. config M5271 bool "MCF5271" + select HAVE_CACHE_SPLIT help Freescale (Motorola) ColdFire 5270/5271 processor support. config M5272 bool "MCF5272" + select COLDFIRE_SW_A7 help Motorola ColdFire 5272 processor support. config M5275 bool "MCF5275" + select HAVE_CACHE_SPLIT help Freescale (Motorola) ColdFire 5274/5275 processor support. config M528x bool "MCF528x" select GENERIC_CLOCKEVENTS + select HAVE_CACHE_SPLIT help Motorola ColdFire 5280/5282 processor support. config M5307 bool "MCF5307" + select COLDFIRE_SW_A7 + select HAVE_CACHE_CB help Motorola ColdFire 5307 processor support. config M532x bool "MCF532x" + select HAVE_CACHE_CB help Freescale (Motorola) ColdFire 532x processor support. config M5407 bool "MCF5407" + select COLDFIRE_SW_A7 + select HAVE_CACHE_CB help Motorola ColdFire 5407 processor support. +config M547x + bool "MCF547x" + select HAVE_CACHE_CB + help + Freescale ColdFire 5470/5471/5472/5473/5474/5475 processor support. + config M548x bool "MCF548x" + select HAVE_CACHE_CB help Freescale ColdFire 5480/5481/5482/5483/5484/5485 processor support. @@ -181,9 +212,14 @@ config M527x select GENERIC_CLOCKEVENTS default y +config M54xx + bool + depends on (M548x || M547x) + default y + config COLDFIRE bool - depends on (M5206 || M5206e || M520x || M523x || M5249 || M527x || M5272 || M528x || M5307 || M532x || M5407 || M548x) + depends on (M5206 || M5206e || M520x || M523x || M5249 || M527x || M5272 || M528x || M5307 || M532x || M5407 || M54xx) select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB default y @@ -230,6 +266,46 @@ config OLDMASK Build support for the older revision ColdFire 5307 silicon. Specifically this is the 1H55J mask revision. +if HAVE_CACHE_SPLIT +choice + prompt "Split Cache Configuration" + default CACHE_I + +config CACHE_I + bool "Instruction" + help + Use all of the ColdFire CPU cache memory as an instruction cache. + +config CACHE_D + bool "Data" + help + Use all of the ColdFire CPU cache memory as a data cache. + +config CACHE_BOTH + bool "Both" + help + Split the ColdFire CPU cache, and use half as an instruction cache + and half as a data cache. +endchoice +endif + +if HAVE_CACHE_CB +choice + prompt "Data cache mode" + default CACHE_WRITETHRU + +config CACHE_WRITETHRU + bool "Write-through" + help + The ColdFire CPU cache is set into Write-through mode. + +config CACHE_COPYBACK + bool "Copy-back" + help + The ColdFire CPU cache is set into Copy-back mode. +endchoice +endif + comment "Platform" config PILOT3 @@ -245,16 +321,16 @@ config XCOPILOT_BUGS Support the bugs of Xcopilot. config UC5272 - bool 'Arcturus Networks uC5272 dimm board support' - depends on M5272 - help - Support for the Arcturus Networks uC5272 dimm board. + bool 'Arcturus Networks uC5272 dimm board support' + depends on M5272 + help + Support for the Arcturus Networks uC5272 dimm board. config UC5282 - bool "Arcturus Networks uC5282 board support" - depends on M528x - help - Support for the Arcturus Networks uC5282 dimm board. + bool "Arcturus Networks uC5282 board support" + depends on M528x + help + Support for the Arcturus Networks uC5282 dimm board. config UCSIMM bool "uCsimm module support" @@ -279,7 +355,7 @@ config DIRECT_IO_ACCESS depends on (UCSIMM || UCDIMM || DRAGEN2) help Disable the CPU internal registers protection in user mode, - to allow a user application to read/write them. + to allow a user application to read/write them. config INIT_LCD bool "Initialize LCD" @@ -517,7 +593,7 @@ config EMAC_INC depends on (SOM5282EM) config SNEHA - bool + bool default y depends on CPU16B diff --git a/arch/m68knommu/Makefile b/arch/m68knommu/Makefile index 026ef16fa68e..589613fed31d 100644 --- a/arch/m68knommu/Makefile +++ b/arch/m68knommu/Makefile @@ -25,7 +25,7 @@ platform-$(CONFIG_M528x) := 528x platform-$(CONFIG_M5307) := 5307 platform-$(CONFIG_M532x) := 532x platform-$(CONFIG_M5407) := 5407 -platform-$(CONFIG_M548x) := 548x +platform-$(CONFIG_M54xx) := 54xx PLATFORM := $(platform-y) board-$(CONFIG_PILOT) := pilot @@ -74,7 +74,7 @@ cpuclass-$(CONFIG_M528x) := coldfire cpuclass-$(CONFIG_M5307) := coldfire cpuclass-$(CONFIG_M532x) := coldfire cpuclass-$(CONFIG_M5407) := coldfire -cpuclass-$(CONFIG_M548x) := coldfire +cpuclass-$(CONFIG_M54xx) := coldfire cpuclass-$(CONFIG_M68328) := 68328 cpuclass-$(CONFIG_M68EZ328) := 68328 cpuclass-$(CONFIG_M68VZ328) := 68328 @@ -91,18 +91,18 @@ export PLATFORM BOARD MODEL CPUCLASS # Some CFLAG additions based on specific CPU type. # cflags-$(CONFIG_M5206) := $(call cc-option,-mcpu=5206,-m5200) -cflags-$(CONFIG_M5206e) := $(call cc-option,-m5206e,-m5200) +cflags-$(CONFIG_M5206e) := $(call cc-option,-mcpu=5206e,-m5200) cflags-$(CONFIG_M520x) := $(call cc-option,-mcpu=5208,-m5200) cflags-$(CONFIG_M523x) := $(call cc-option,-mcpu=523x,-m5307) cflags-$(CONFIG_M5249) := $(call cc-option,-mcpu=5249,-m5200) cflags-$(CONFIG_M5271) := $(call cc-option,-mcpu=5271,-m5307) cflags-$(CONFIG_M5272) := $(call cc-option,-mcpu=5272,-m5307) cflags-$(CONFIG_M5275) := $(call cc-option,-mcpu=5275,-m5307) -cflags-$(CONFIG_M528x) := $(call cc-option,-m528x,-m5307) -cflags-$(CONFIG_M5307) := $(call cc-option,-m5307,-m5200) +cflags-$(CONFIG_M528x) := $(call cc-option,-mcpu=528x,-m5307) +cflags-$(CONFIG_M5307) := $(call cc-option,-mcpu=5307,-m5200) cflags-$(CONFIG_M532x) := $(call cc-option,-mcpu=532x,-m5307) -cflags-$(CONFIG_M5407) := $(call cc-option,-m5407,-m5200) -cflags-$(CONFIG_M548x) := $(call cc-option,-m5407,-m5200) +cflags-$(CONFIG_M5407) := $(call cc-option,-mcpu=5407,-m5200) +cflags-$(CONFIG_M54xx) := $(call cc-option,-mcpu=5475,-m5200) cflags-$(CONFIG_M68328) := -m68000 cflags-$(CONFIG_M68EZ328) := -m68000 cflags-$(CONFIG_M68VZ328) := -m68000 diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c index c684adf5dc40..16b2de7f5101 100644 --- a/arch/m68knommu/kernel/setup.c +++ b/arch/m68knommu/kernel/setup.c @@ -55,55 +55,29 @@ void (*mach_halt)(void); void (*mach_power_off)(void); #ifdef CONFIG_M68328 - #define CPU "MC68328" +#define CPU_NAME "MC68328" #endif #ifdef CONFIG_M68EZ328 - #define CPU "MC68EZ328" +#define CPU_NAME "MC68EZ328" #endif #ifdef CONFIG_M68VZ328 - #define CPU "MC68VZ328" +#define CPU_NAME "MC68VZ328" #endif #ifdef CONFIG_M68360 - #define CPU "MC68360" +#define CPU_NAME "MC68360" #endif -#if defined(CONFIG_M5206) - #define CPU "COLDFIRE(m5206)" +#ifndef CPU_NAME +#define CPU_NAME "UNKNOWN" #endif -#if defined(CONFIG_M5206e) - #define CPU "COLDFIRE(m5206e)" -#endif -#if defined(CONFIG_M520x) - #define CPU "COLDFIRE(m520x)" -#endif -#if defined(CONFIG_M523x) - #define CPU "COLDFIRE(m523x)" -#endif -#if defined(CONFIG_M5249) - #define CPU "COLDFIRE(m5249)" -#endif -#if defined(CONFIG_M5271) - #define CPU "COLDFIRE(m5270/5271)" -#endif -#if defined(CONFIG_M5272) - #define CPU "COLDFIRE(m5272)" -#endif -#if defined(CONFIG_M5275) - #define CPU "COLDFIRE(m5274/5275)" -#endif -#if defined(CONFIG_M528x) - #define CPU "COLDFIRE(m5280/5282)" -#endif -#if defined(CONFIG_M5307) - #define CPU "COLDFIRE(m5307)" -#endif -#if defined(CONFIG_M532x) - #define CPU "COLDFIRE(m532x)" -#endif -#if defined(CONFIG_M5407) - #define CPU "COLDFIRE(m5407)" -#endif -#ifndef CPU - #define CPU "UNKNOWN" + +/* + * Different cores have different instruction execution timings. + * The old/traditional 68000 cores are basically all the same, at 16. + * The ColdFire cores vary a little, their values are defined in their + * headers. We default to the standard 68000 value here. + */ +#ifndef CPU_INSTR_PER_JIFFY +#define CPU_INSTR_PER_JIFFY 16 #endif extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; @@ -208,7 +182,7 @@ void __init setup_arch(char **cmdline_p) command_line[sizeof(command_line) - 1] = 0; #endif /* CONFIG_UBOOT */ - printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n"); + printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU_NAME "\n"); #ifdef CONFIG_UCDIMM printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n"); @@ -257,11 +231,6 @@ void __init setup_arch(char **cmdline_p) memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); boot_command_line[COMMAND_LINE_SIZE-1] = 0; -#ifdef DEBUG - if (strlen(*cmdline_p)) - printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p); -#endif - #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE) conswitchp = &dummy_con; #endif @@ -303,15 +272,10 @@ static int show_cpuinfo(struct seq_file *m, void *v) char *cpu, *mmu, *fpu; u_long clockfreq; - cpu = CPU; + cpu = CPU_NAME; mmu = "none"; fpu = "none"; - -#ifdef CONFIG_COLDFIRE - clockfreq = (loops_per_jiffy * HZ) * 3; -#else - clockfreq = (loops_per_jiffy * HZ) * 16; -#endif + clockfreq = (loops_per_jiffy * HZ) * CPU_INSTR_PER_JIFFY; seq_printf(m, "CPU:\t\t%s\n" "MMU:\t\t%s\n" diff --git a/arch/m68knommu/mm/Makefile b/arch/m68knommu/mm/Makefile index fc91f254f51b..b54ab6b4b523 100644 --- a/arch/m68knommu/mm/Makefile +++ b/arch/m68knommu/mm/Makefile @@ -2,4 +2,4 @@ # Makefile for the linux m68knommu specific parts of the memory manager. # -obj-y += init.o fault.o memory.o kmap.o +obj-y += init.o kmap.o diff --git a/arch/m68knommu/mm/fault.c b/arch/m68knommu/mm/fault.c deleted file mode 100644 index bc05cf74d9c0..000000000000 --- a/arch/m68knommu/mm/fault.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * linux/arch/m68knommu/mm/fault.c - * - * Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>, - * Copyright (C) 2000 Lineo, Inc. (www.lineo.com) - * - * Based on: - * - * linux/arch/m68k/mm/fault.c - * - * Copyright (C) 1995 Hamish Macdonald - */ - -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/kernel.h> -#include <linux/ptrace.h> - -#include <asm/system.h> -#include <asm/pgtable.h> - -extern void die_if_kernel(char *, struct pt_regs *, long); - -/* - * This routine handles page faults. It determines the problem, and - * then passes it off to one of the appropriate routines. - * - * error_code: - * bit 0 == 0 means no page found, 1 means protection fault - * bit 1 == 0 means read, 1 means write - * - * If this routine detects a bad access, it returns 1, otherwise it - * returns 0. - */ -asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, - unsigned long error_code) -{ -#ifdef DEBUG - printk(KERN_DEBUG "regs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld\n", - regs->sr, regs->pc, address, error_code); -#endif - - /* - * Oops. The kernel tried to access some bad page. We'll have to - * terminate things with extreme prejudice. - */ - if ((unsigned long) address < PAGE_SIZE) - printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference"); - else - printk(KERN_ALERT "Unable to handle kernel access"); - printk(KERN_ALERT " at virtual address %08lx\n", address); - die_if_kernel("Oops", regs, error_code); - do_exit(SIGKILL); - - return 1; -} - diff --git a/arch/m68knommu/mm/kmap.c b/arch/m68knommu/mm/kmap.c index 902c1dfda9e5..ece8d5ad4e6c 100644 --- a/arch/m68knommu/mm/kmap.c +++ b/arch/m68knommu/mm/kmap.c @@ -36,15 +36,6 @@ void iounmap(void *addr) } /* - * __iounmap unmaps nearly everything, so be careful - * it doesn't free currently pointer/page tables anymore but it - * wans't used anyway and might be added later. - */ -void __iounmap(void *addr, unsigned long size) -{ -} - -/* * Set new cache mode for some kernel address space. * The caller must push data for that range itself, if such data may already * be in the cache. diff --git a/arch/m68knommu/mm/memory.c b/arch/m68knommu/mm/memory.c deleted file mode 100644 index 8f7949e786d4..000000000000 --- a/arch/m68knommu/mm/memory.c +++ /dev/null @@ -1,33 +0,0 @@ -/* - * linux/arch/m68knommu/mm/memory.c - * - * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>, - * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) - * - * Based on: - * - * linux/arch/m68k/mm/memory.c - * - * Copyright (C) 1995 Hamish Macdonald - */ - -#include <linux/mm.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/types.h> - -#include <asm/segment.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/system.h> - -/* - * Map some physical address range into the kernel address space. - */ - -unsigned long kernel_map(unsigned long paddr, unsigned long size, - int nocacheflag, unsigned long *memavailp ) -{ - return paddr; -} - diff --git a/arch/m68knommu/platform/548x/Makefile b/arch/m68knommu/platform/54xx/Makefile index e6035e7a2d3f..e6035e7a2d3f 100644 --- a/arch/m68knommu/platform/548x/Makefile +++ b/arch/m68knommu/platform/54xx/Makefile diff --git a/arch/m68knommu/platform/548x/config.c b/arch/m68knommu/platform/54xx/config.c index 9888846bd1cf..78130984db95 100644 --- a/arch/m68knommu/platform/548x/config.c +++ b/arch/m68knommu/platform/54xx/config.c @@ -1,7 +1,7 @@ /***************************************************************************/ /* - * linux/arch/m68knommu/platform/548x/config.c + * linux/arch/m68knommu/platform/54xx/config.c * * Copyright (C) 2010, Philippe De Muyter <phdm@macqel.be> */ @@ -15,13 +15,13 @@ #include <linux/io.h> #include <asm/machdep.h> #include <asm/coldfire.h> -#include <asm/m548xsim.h> +#include <asm/m54xxsim.h> #include <asm/mcfuart.h> -#include <asm/m548xgpt.h> +#include <asm/m54xxgpt.h> /***************************************************************************/ -static struct mcf_platform_uart m548x_uart_platform[] = { +static struct mcf_platform_uart m54xx_uart_platform[] = { { .mapbase = MCF_MBAR + MCFUART_BASE1, .irq = 64 + 35, @@ -40,20 +40,20 @@ static struct mcf_platform_uart m548x_uart_platform[] = { }, }; -static struct platform_device m548x_uart = { +static struct platform_device m54xx_uart = { .name = "mcfuart", .id = 0, - .dev.platform_data = m548x_uart_platform, + .dev.platform_data = m54xx_uart_platform, }; -static struct platform_device *m548x_devices[] __initdata = { - &m548x_uart, +static struct platform_device *m54xx_devices[] __initdata = { + &m54xx_uart, }; /***************************************************************************/ -static void __init m548x_uart_init_line(int line, int irq) +static void __init m54xx_uart_init_line(int line, int irq) { int rts_cts; @@ -72,18 +72,18 @@ static void __init m548x_uart_init_line(int line, int irq) MCF_MBAR + MCF_PAR_PSC(line)); } -static void __init m548x_uarts_init(void) +static void __init m54xx_uarts_init(void) { - const int nrlines = ARRAY_SIZE(m548x_uart_platform); + const int nrlines = ARRAY_SIZE(m54xx_uart_platform); int line; for (line = 0; (line < nrlines); line++) - m548x_uart_init_line(line, m548x_uart_platform[line].irq); + m54xx_uart_init_line(line, m54xx_uart_platform[line].irq); } /***************************************************************************/ -static void mcf548x_reset(void) +static void mcf54xx_reset(void) { /* disable interrupts and enable the watchdog */ asm("movew #0x2700, %sr\n"); @@ -97,8 +97,8 @@ static void mcf548x_reset(void) void __init config_BSP(char *commandp, int size) { - mach_reset = mcf548x_reset; - m548x_uarts_init(); + mach_reset = mcf54xx_reset; + m54xx_uarts_init(); } /***************************************************************************/ @@ -106,7 +106,7 @@ void __init config_BSP(char *commandp, int size) static int __init init_BSP(void) { - platform_add_devices(m548x_devices, ARRAY_SIZE(m548x_devices)); + platform_add_devices(m54xx_devices, ARRAY_SIZE(m54xx_devices)); return 0; } diff --git a/arch/m68knommu/platform/68328/ints.c b/arch/m68knommu/platform/68328/ints.c index 865852806a17..2a3af193ccd3 100644 --- a/arch/m68knommu/platform/68328/ints.c +++ b/arch/m68knommu/platform/68328/ints.c @@ -179,8 +179,8 @@ void __init init_IRQ(void) IMR = ~0; for (i = 0; (i < NR_IRQS); i++) { - set_irq_chip(irq, &intc_irq_chip); - set_irq_handler(irq, handle_level_irq); + set_irq_chip(i, &intc_irq_chip); + set_irq_handler(i, handle_level_irq); } } diff --git a/arch/m68knommu/platform/coldfire/Makefile b/arch/m68knommu/platform/coldfire/Makefile index 45f501fa4525..a8967baabd72 100644 --- a/arch/m68knommu/platform/coldfire/Makefile +++ b/arch/m68knommu/platform/coldfire/Makefile @@ -14,7 +14,7 @@ asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 -obj-$(CONFIG_COLDFIRE) += clk.o dma.o entry.o vectors.o +obj-$(CONFIG_COLDFIRE) += cache.o clk.o dma.o entry.o vectors.o obj-$(CONFIG_M5206) += timers.o intc.o obj-$(CONFIG_M5206e) += timers.o intc.o obj-$(CONFIG_M520x) += pit.o intc-simr.o @@ -26,7 +26,7 @@ obj-$(CONFIG_M528x) += pit.o intc-2.o obj-$(CONFIG_M5307) += timers.o intc.o obj-$(CONFIG_M532x) += timers.o intc-simr.o obj-$(CONFIG_M5407) += timers.o intc.o -obj-$(CONFIG_M548x) += sltimers.o intc-2.o +obj-$(CONFIG_M54xx) += sltimers.o intc-2.o obj-y += pinmux.o gpio.o extra-y := head.o diff --git a/arch/m68knommu/platform/coldfire/cache.c b/arch/m68knommu/platform/coldfire/cache.c new file mode 100644 index 000000000000..235d3c4f4f0f --- /dev/null +++ b/arch/m68knommu/platform/coldfire/cache.c @@ -0,0 +1,48 @@ +/***************************************************************************/ + +/* + * cache.c -- general ColdFire Cache maintainence code + * + * Copyright (C) 2010, Greg Ungerer (gerg@snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> + +/***************************************************************************/ +#ifdef CACHE_PUSH +/***************************************************************************/ + +/* + * Use cpushl to push all dirty cache lines back to memory. + * Older versions of GAS don't seem to know how to generate the + * ColdFire cpushl instruction... Oh well, bit stuff it for now. + */ + +void mcf_cache_push(void) +{ + __asm__ __volatile__ ( + "clrl %%d0\n\t" + "1:\n\t" + "movel %%d0,%%a0\n\t" + "2:\n\t" + ".word 0xf468\n\t" + "addl %0,%%a0\n\t" + "cmpl %1,%%a0\n\t" + "blt 2b\n\t" + "addql #1,%%d0\n\t" + "cmpil %2,%%d0\n\t" + "bne 1b\n\t" + : /* No output */ + : "i" (CACHE_LINE_SIZE), + "i" (DCACHE_SIZE / CACHE_WAYS), + "i" (CACHE_WAYS) + : "d0", "a0" ); +} + +/***************************************************************************/ +#endif /* CACHE_PUSH */ +/***************************************************************************/ diff --git a/arch/m68knommu/platform/coldfire/entry.S b/arch/m68knommu/platform/coldfire/entry.S index e1debc8285ef..4ddfc3da70d8 100644 --- a/arch/m68knommu/platform/coldfire/entry.S +++ b/arch/m68knommu/platform/coldfire/entry.S @@ -36,13 +36,16 @@ #include <asm/asm-offsets.h> #include <asm/entry.h> +#ifdef CONFIG_COLDFIRE_SW_A7 +/* + * Define software copies of the supervisor and user stack pointers. + */ .bss - sw_ksp: .long 0 - sw_usp: .long 0 +#endif /* CONFIG_COLDFIRE_SW_A7 */ .text @@ -51,7 +54,6 @@ sw_usp: .globl ret_from_exception .globl ret_from_signal .globl sys_call_table -.globl ret_from_interrupt .globl inthandler .globl fasthandler @@ -140,20 +142,7 @@ Luser_return: jne Lwork_to_do /* still work to do */ Lreturn: - move #0x2700,%sr /* disable intrs */ - movel sw_usp,%a0 /* get usp */ - movel %sp@(PT_OFF_PC),%a0@- /* copy exception program counter */ - movel %sp@(PT_OFF_FORMATVEC),%a0@- /* copy exception format/vector/sr */ - moveml %sp@,%d1-%d5/%a0-%a2 - lea %sp@(32),%sp /* space for 8 regs */ - movel %sp@+,%d0 - addql #4,%sp /* orig d0 */ - addl %sp@+,%sp /* stk adj */ - addql #8,%sp /* remove exception */ - movel %sp,sw_ksp /* save ksp */ - subql #8,sw_usp /* set exception */ - movel sw_usp,%sp /* restore usp */ - rte + RESTORE_USER Lwork_to_do: movel %a0@(TI_FLAGS),%d1 /* get thread_info->flags */ @@ -191,31 +180,7 @@ ENTRY(inthandler) jbsr do_IRQ /* call high level irq handler */ lea %sp@(8),%sp /* pop args off stack */ - bra ret_from_interrupt /* this was fallthrough */ - -/* - * This is the fast interrupt handler (for certain hardware interrupt - * sources). Unlike the normal interrupt handler it just uses the - * current stack (doesn't care if it is user or kernel). It also - * doesn't bother doing the bottom half handlers. - */ -ENTRY(fasthandler) - SAVE_LOCAL - - movew %sp@(PT_OFF_FORMATVEC),%d0 - andl #0x03fc,%d0 /* mask out vector only */ - - movel %sp,%sp@- /* push regs arg */ - lsrl #2,%d0 /* calculate real vector # */ - movel %d0,%sp@- /* push vector number */ - jbsr do_IRQ /* call high level irq handler */ - lea %sp@(8),%sp /* pop args off stack */ - - RESTORE_LOCAL - -ENTRY(ret_from_interrupt) - /* the fasthandler is confusing me, haven't seen any user */ - jmp ret_from_exception + bra ret_from_exception /* * Beware - when entering resume, prev (the current task) is @@ -226,9 +191,8 @@ ENTRY(ret_from_interrupt) */ ENTRY(resume) movel %a0, %d1 /* get prev thread in d1 */ - - movel sw_usp,%d0 /* save usp */ - movel %d0,%a0@(TASK_THREAD+THREAD_USP) + RDUSP + movel %a2,%a0@(TASK_THREAD+THREAD_USP) SAVE_SWITCH_STACK movel %sp,%a0@(TASK_THREAD+THREAD_KSP) /* save kernel stack pointer */ @@ -236,5 +200,5 @@ ENTRY(resume) RESTORE_SWITCH_STACK movel %a1@(TASK_THREAD+THREAD_USP),%a0 /* restore thread user stack */ - movel %a0, sw_usp + WRUSP rts diff --git a/arch/m68knommu/platform/coldfire/head.S b/arch/m68knommu/platform/coldfire/head.S index 0b2d7c7adf79..d5977909ae5f 100644 --- a/arch/m68knommu/platform/coldfire/head.S +++ b/arch/m68knommu/platform/coldfire/head.S @@ -3,7 +3,7 @@ /* * head.S -- common startup code for ColdFire CPUs. * - * (C) Copyright 1999-2006, Greg Ungerer <gerg@snapgear.com>. + * (C) Copyright 1999-2010, Greg Ungerer <gerg@snapgear.com>. */ /*****************************************************************************/ @@ -13,7 +13,6 @@ #include <linux/init.h> #include <asm/asm-offsets.h> #include <asm/coldfire.h> -#include <asm/mcfcache.h> #include <asm/mcfsim.h> #include <asm/thread_info.h> @@ -173,10 +172,27 @@ _start: /* * Now that we know what the memory is, lets enable cache - * and get things moving. This is Coldfire CPU specific. + * and get things moving. This is Coldfire CPU specific. Not + * all version cores have identical cache register setup. But + * it is very similar. Define the exact settings in the headers + * then the code here is the same for all. */ - CACHE_ENABLE /* enable CPU cache */ - + movel #CACHE_INIT,%d0 /* invalidate whole cache */ + movec %d0,%CACR + nop + movel #ACR0_MODE,%d0 /* set RAM region for caching */ + movec %d0,%ACR0 + movel #ACR1_MODE,%d0 /* anything else to cache? */ + movec %d0,%ACR1 +#ifdef ACR2_MODE + movel #ACR2_MODE,%d0 + movec %d0,%ACR2 + movel #ACR3_MODE,%d0 + movec %d0,%ACR3 +#endif + movel #CACHE_MODE,%d0 /* enable cache */ + movec %d0,%CACR + nop #ifdef CONFIG_ROMFS_FS /* diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index cae268c22ba2..b23f68075879 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -444,8 +444,9 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, *ptep = pte; } -static inline int ptep_test_and_clear_young(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG +static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep) { return (pte_update(ptep, _PAGE_ACCESSED, 0) & _PAGE_ACCESSED) != 0; } @@ -457,6 +458,7 @@ static inline int ptep_test_and_clear_dirty(struct mm_struct *mm, (_PAGE_DIRTY | _PAGE_HWWRITE), 0) & _PAGE_DIRTY) != 0; } +#define __HAVE_ARCH_PTEP_GET_AND_CLEAR static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h index e8abd4a0349c..8aa97817cc8c 100644 --- a/arch/microblaze/include/asm/tlb.h +++ b/arch/microblaze/include/asm/tlb.h @@ -13,6 +13,7 @@ #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) +#include <linux/pagemap.h> #include <asm-generic/tlb.h> #ifdef CONFIG_MMU diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index c881393f07fd..bceaa5543e39 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -47,9 +47,9 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) memblock_add(base, size); } -u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align) +void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) { - return memblock_alloc(size, align); + return __va(memblock_alloc(size, align)); } #ifdef CONFIG_EARLY_PRINTK diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c index 9dbe58368953..a19811e98a41 100644 --- a/arch/mips/kernel/prom.c +++ b/arch/mips/kernel/prom.c @@ -45,11 +45,9 @@ void __init free_mem_mach(unsigned long addr, unsigned long size) return free_bootmem(addr, size); } -u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align) +void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) { - return virt_to_phys( - __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS)) - ); + return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS)); } #ifdef CONFIG_BLK_DEV_INITRD diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index 865f37a8a881..6f1f65d3c0ef 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -10,11 +10,13 @@ * we simulate an x86-style page table for the linux mm code */ -#include <linux/mm.h> /* for vm_area_struct */ #include <linux/bitops.h> +#include <linux/spinlock.h> #include <asm/processor.h> #include <asm/cache.h> +struct vm_area_struct; + /* * kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel * memory. For the return value to be meaningful, ADDR must be >= diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index df971fa0c32f..4896ed090585 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -1126,15 +1126,13 @@ int pdc_iodc_print(const unsigned char *str, unsigned count) unsigned int i; unsigned long flags; - for (i = 0; i < count && i < 79;) { + for (i = 0; i < count;) { switch(str[i]) { case '\n': iodc_dbuf[i+0] = '\r'; iodc_dbuf[i+1] = '\n'; i += 2; goto print; - case '\b': /* BS */ - i--; /* overwrite last */ default: iodc_dbuf[i] = str[i]; i++; @@ -1142,15 +1140,6 @@ int pdc_iodc_print(const unsigned char *str, unsigned count) } } - /* if we're at the end of line, and not already inserting a newline, - * insert one anyway. iodc console doesn't claim to support >79 char - * lines. don't account for this in the return value. - */ - if (i == 79 && iodc_dbuf[i-1] != '\n') { - iodc_dbuf[i+0] = '\r'; - iodc_dbuf[i+1] = '\n'; - } - print: spin_lock_irqsave(&pdc_lock, flags); real32_call(PAGE0->mem_cons.iodc_io, diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c index 567480705789..ab6f6beadb57 100644 --- a/arch/powerpc/kernel/perf_event.c +++ b/arch/powerpc/kernel/perf_event.c @@ -1212,6 +1212,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, if (left <= 0) left = period; record = 1; + event->hw.last_period = event->hw.sample_period; } if (left < 0x80000000LL) val = 0x80000000LL - left; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 9e3132db718b..7185f0da7dc3 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -519,9 +519,9 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) memblock_add(base, size); } -u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align) +void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) { - return memblock_alloc(size, align); + return __va(memblock_alloc(size, align)); } #ifdef CONFIG_BLK_DEV_INITRD |