config ARCH_REALVIEW
bool "ARM Ltd. RealView family"
select ARM_AMBA
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
+ select HAVE_SCHED_CLOCK
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
bool "ARM Ltd. Versatile family"
select ARM_AMBA
select ARM_VIC
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
+ select HAVE_SCHED_CLOCK
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARM_AMBA
select ARM_TIMER_SP804
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select HAVE_CLK
+ select HAVE_SCHED_CLOCK
select ICST
select PLAT_VERSATILE
help
select CPU_XSCALE
select GENERIC_GPIO
select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
+ select MIGHT_HAVE_PCI
select DMABOUNCE if PCI
help
Support for Intel's IXP4XX (XScale) family of processors.
bool "Marvell PXA168/910/MMP2"
depends on MMU
select ARCH_REQUIRE_GPIOLIB
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select PLAT_PXA
select SPARSE_IRQ
config ARCH_TEGRA
bool "NVIDIA Tegra"
++ select CLKDEV_LOOKUP
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
select HAVE_CLK
- select CLKDEV_LOOKUP
+ select HAVE_SCHED_CLOCK
- select COMMON_CLKDEV
select ARCH_HAS_BARRIERS if CACHE_L2X0
select ARCH_HAS_CPUFREQ
help
depends on MMU
select ARCH_MTD_XIP
select ARCH_HAS_CPUFREQ
- select COMMON_CLKDEV
+ select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
select TICK_ONESHOT
select PLAT_PXA
select SPARSE_IRQ
default 100
config THUMB2_KERNEL
- bool "Compile the kernel in Thumb-2 mode"
+ bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)"
- depends on CPU_V7 && EXPERIMENTAL
+ depends on CPU_V7 && !CPU_V6 && EXPERIMENTAL
select AEABI
select ARM_ASM_UNIFIED
help
obj-$(CONFIG_ARTHUR) += arthur.o
obj-$(CONFIG_ISA_DMA) += dma-isa.o
obj-$(CONFIG_PCI) += bios32.o isa.o
- obj-$(CONFIG_SMP) += smp.o
+obj-$(CONFIG_HAVE_SCHED_CLOCK) += sched_clock.o
+ obj-$(CONFIG_SMP) += smp.o smp_tlb.o
obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o
obj-$(CONFIG_HAVE_ARM_TWD) += smp_twd.o
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
beq __error_p @ yes, error 'p'
bl __lookup_machine_type @ r5=machinfo
movs r8, r5 @ invalid machine (r5=0)?
+ THUMB( it eq ) @ force fixup-able long branch encoding
beq __error_a @ yes, error 'a'
+
+ /*
+ * r1 = machine no, r2 = atags,
+ * r8 = machinfo, r9 = cpuid, r10 = procinfo
+ */
bl __vet_atags
#ifdef CONFIG_SMP_ON_UP
bl __fixup_smp
__fixup_smp_on_up:
adr r0, 1f
- ldmia r0, {r3, r6, r7}
+ ldmia r0, {r3 - r5}
sub r3, r0, r3
- add r6, r6, r3
- add r7, r7, r3
- 2: cmp r6, r7
- ldmia r6!, {r0, r4}
- strlo r4, [r0, r3]
- blo 2b
- mov pc, lr
+ add r4, r4, r3
+ add r5, r5, r3
+ 2: cmp r4, r5
+ movhs pc, lr
+ ldmia r4!, {r0, r6}
+ ARM( str r6, [r0, r3] )
+ THUMB( add r0, r0, r3 )
+ #ifdef __ARMEB__
+ THUMB( mov r6, r6, ror #16 ) @ Convert word order for big-endian.
+ #endif
+ THUMB( strh r6, [r0], #2 ) @ For Thumb-2, store as two halfwords
+ THUMB( mov r6, r6, lsr #16 ) @ to be robust against misaligned r3.
+ THUMB( strh r6, [r0] )
+ b 2b
ENDPROC(__fixup_smp)
+ .align
1: .word .
.word __smpalt_begin
.word __smpalt_end
#include <linux/list.h>
#include <linux/kallsyms.h>
#include <linux/proc_fs.h>
+#include <linux/ftrace.h>
#include <asm/system.h>
+ #include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
/*
* Main handler for inter-processor interrupts
- *
- * For ARM, the ipimask now only identifies a single
- * category of IPI (Bit 1 IPIs have been replaced by a
- * different mechanism):
- *
- * Bit 0 - Inter-processor function call
*/
- asmlinkage void __exception_irq_entry do_IPI(struct pt_regs *regs)
-asmlinkage void __exception do_IPI(int ipinr, struct pt_regs *regs)
++asmlinkage void __exception_irq_entry do_IPI(int ipinr, struct pt_regs *regs)
{
unsigned int cpu = smp_processor_id();
- struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
struct pt_regs *old_regs = set_irq_regs(regs);
- ipi->ipi_count++;
-
- for (;;) {
- unsigned long msgs;
+ if (ipinr >= IPI_TIMER && ipinr < IPI_TIMER + NR_IPI)
+ __inc_irq_stat(cpu, ipi_irqs[ipinr - IPI_TIMER]);
- spin_lock(&ipi->lock);
- msgs = ipi->bits;
- ipi->bits = 0;
- spin_unlock(&ipi->lock);
-
- if (!msgs)
- break;
-
- do {
- unsigned nextmsg;
-
- nextmsg = msgs & -msgs;
- msgs &= ~nextmsg;
- nextmsg = ffz(~nextmsg);
-
- switch (nextmsg) {
- case IPI_TIMER:
- ipi_timer();
- break;
+ switch (ipinr) {
+ case IPI_TIMER:
+ ipi_timer();
+ break;
- case IPI_RESCHEDULE:
- /*
- * nothing more to do - eveything is
- * done on the interrupt return path
- */
- break;
+ case IPI_RESCHEDULE:
+ /*
+ * nothing more to do - eveything is
+ * done on the interrupt return path
+ */
+ break;
- case IPI_CALL_FUNC:
- generic_smp_call_function_interrupt();
- break;
+ case IPI_CALL_FUNC:
+ generic_smp_call_function_interrupt();
+ break;
- case IPI_CALL_FUNC_SINGLE:
- generic_smp_call_function_single_interrupt();
- break;
+ case IPI_CALL_FUNC_SINGLE:
+ generic_smp_call_function_single_interrupt();
+ break;
- case IPI_CPU_STOP:
- ipi_cpu_stop(cpu);
- break;
+ case IPI_CPU_STOP:
+ ipi_cpu_stop(cpu);
+ break;
- default:
- printk(KERN_CRIT "CPU%u: Unknown IPI message 0x%x\n",
- cpu, nextmsg);
- break;
- }
- } while (msgs);
+ default:
+ printk(KERN_CRIT "CPU%u: Unknown IPI message 0x%x\n",
+ cpu, ipinr);
+ break;
}
-
set_irq_regs(old_regs);
}
#include <asm/hardware/gic.h>
- #include <mach/clkdev.h>
#include <mach/platform.h>
#include <mach/irqs.h>
-#include <plat/timer-sp.h>
+#include <asm/hardware/timer-sp.h>
-#include "core.h"
+#include <plat/sched_clock.h>
-/* used by entry-macro.S and platsmp.c */
-void __iomem *gic_cpu_base_addr;
+#include "core.h"
#ifdef CONFIG_ZONE_DMA
/*
#define ASM_ARCH_SMP_H __FILE__
#include <asm/hardware/gic.h>
- #include <asm/smp_mpidr.h>
-extern void __iomem *gic_cpu_base_addr;
-
/*
* We use IRQ1 as the IPI
*/
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
- #include <mach/clkdev.h>
#include <mach/hardware.h>
#include <mach/platform.h>
-#include <plat/timer-sp.h>
+#include <asm/hardware/timer-sp.h>
+
+#include <plat/sched_clock.h>
#include "core.h"
#include <asm/pmu.h>
#include <asm/smp_twd.h>
- #include <mach/clkdev.h>
#include <mach/ct-ca9x4.h>
-#include <plat/timer-sp.h>
+#include <asm/hardware/timer-sp.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/hardware/arm_timer.h>
+#include <asm/hardware/timer-sp.h>
- #include <mach/clkdev.h>
#include <mach/motherboard.h>
-#include <plat/timer-sp.h>
+#include <plat/sched_clock.h>
#include "core.h"
projects / platform / kernel / linux-rpi.git / commitdiff