diff options
Diffstat (limited to 'arch/arm')
164 files changed, 1335 insertions, 1021 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index cf006d40342c..ed244933b256 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -280,6 +280,7 @@ config ARCH_INTEGRATOR select NEED_MACH_IO_H select NEED_MACH_MEMORY_H select SPARSE_IRQ + select MULTI_IRQ_HANDLER help Support for ARM's Integrator platform. @@ -1186,6 +1187,15 @@ if !MMU source "arch/arm/Kconfig-nommu" endif +config ARM_ERRATA_326103 + bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory" + depends on CPU_V6 + help + Executing a SWP instruction to read-only memory does not set bit 11 + of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to + treat the access as a read, preventing a COW from occurring and + causing the faulting task to livelock. + config ARM_ERRATA_411920 bool "ARM errata: Invalidation of the Instruction Cache operation can fail" depends on CPU_V6 || CPU_V6K @@ -1543,6 +1553,12 @@ config HAVE_ARM_SCU help This option enables support for the ARM system coherency unit +config ARM_ARCH_TIMER + bool "Architected timer support" + depends on CPU_V7 + help + This option enables support for the ARM architected timer + config HAVE_ARM_TWD bool depends on SMP diff --git a/arch/arm/boot/dts/msm8660-surf.dts b/arch/arm/boot/dts/msm8660-surf.dts index 15ded0deaa79..45bc4bb04e57 100644 --- a/arch/arm/boot/dts/msm8660-surf.dts +++ b/arch/arm/boot/dts/msm8660-surf.dts @@ -10,7 +10,7 @@ intc: interrupt-controller@02080000 { compatible = "qcom,msm-8660-qgic"; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <3>; reg = < 0x02080000 0x1000 >, < 0x02081000 0x1000 >; }; @@ -19,6 +19,6 @@ compatible = "qcom,msm-hsuart", "qcom,msm-uart"; reg = <0x19c40000 0x1000>, <0x19c00000 0x1000>; - interrupts = <195>; + interrupts = <0 195 0x0>; }; }; diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts index 0b32925f2147..e2fe3195c0d1 100644 --- a/arch/arm/boot/dts/versatile-ab.dts +++ b/arch/arm/boot/dts/versatile-ab.dts @@ -173,7 +173,7 @@ mmc@5000 { compatible = "arm,primecell"; reg = < 0x5000 0x1000>; - interrupts = <22>; + interrupts = <22 34>; }; kmi@6000 { compatible = "arm,pl050", "arm,primecell"; diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts index 166461073b78..7e8175269064 100644 --- a/arch/arm/boot/dts/versatile-pb.dts +++ b/arch/arm/boot/dts/versatile-pb.dts @@ -41,7 +41,7 @@ mmc@b000 { compatible = "arm,primecell"; reg = <0xb000 0x1000>; - interrupts = <23>; + interrupts = <23 34>; }; }; }; diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index dcb13494ca0d..c4110d1b1f2d 100644 --- a/arch/arm/common/it8152.c +++ b/arch/arm/common/it8152.c @@ -222,7 +222,7 @@ static int it8152_pci_write_config(struct pci_bus *bus, return PCIBIOS_SUCCESSFUL; } -static struct pci_ops it8152_ops = { +struct pci_ops it8152_ops = { .read = it8152_pci_read_config, .write = it8152_pci_write_config, }; @@ -346,9 +346,4 @@ void pcibios_set_master(struct pci_dev *dev) } -struct pci_bus * __init it8152_pci_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, nr, &it8152_ops, sys, &sys->resources); -} - EXPORT_SYMBOL(dma_set_coherent_mask); diff --git a/arch/arm/common/via82c505.c b/arch/arm/common/via82c505.c index 1171a5010aea..6cb362e56d29 100644 --- a/arch/arm/common/via82c505.c +++ b/arch/arm/common/via82c505.c @@ -51,7 +51,7 @@ via82c505_write_config(struct pci_bus *bus, unsigned int devfn, int where, return PCIBIOS_SUCCESSFUL; } -static struct pci_ops via82c505_ops = { +struct pci_ops via82c505_ops = { .read = via82c505_read_config, .write = via82c505_write_config, }; @@ -81,12 +81,3 @@ int __init via82c505_setup(int nr, struct pci_sys_data *sys) { return (nr == 0); } - -struct pci_bus * __init via82c505_scan_bus(int nr, struct pci_sys_data *sysdata) -{ - if (nr == 0) - return pci_scan_root_bus(NULL, 0, &via82c505_ops, sysdata, - &sysdata->resources); - - return NULL; -} diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig index b5ac644e12af..6b31cb60daab 100644 --- a/arch/arm/configs/imx_v4_v5_defconfig +++ b/arch/arm/configs/imx_v4_v5_defconfig @@ -112,6 +112,7 @@ CONFIG_WATCHDOG=y CONFIG_IMX2_WDT=y CONFIG_MFD_MC13XXX=y CONFIG_REGULATOR=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_MC13783=y CONFIG_REGULATOR_MC13892=y CONFIG_FB=y diff --git a/arch/arm/configs/mini2440_defconfig b/arch/arm/configs/mini2440_defconfig index 42da9183acc8..082175c54e7c 100644 --- a/arch/arm/configs/mini2440_defconfig +++ b/arch/arm/configs/mini2440_defconfig @@ -14,6 +14,8 @@ CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set CONFIG_BLK_DEV_INTEGRITY=y CONFIG_ARCH_S3C24XX=y +# CONFIG_CPU_S3C2410 is not set +CONFIG_CPU_S3C2440=y CONFIG_S3C_ADC=y CONFIG_S3C24XX_PWM=y CONFIG_MACH_MINI2440=y diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index 889d73ac1ae1..7e84f453e8a6 100644 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -8,8 +8,6 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set CONFIG_ARCH_U8500=y -CONFIG_UX500_SOC_DB5500=y -CONFIG_UX500_SOC_DB8500=y CONFIG_MACH_HREFV60=y CONFIG_MACH_SNOWBALL=y CONFIG_MACH_U5500=y @@ -39,7 +37,6 @@ CONFIG_CAIF=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=65536 -CONFIG_MISC_DEVICES=y CONFIG_AB8500_PWM=y CONFIG_SENSORS_BH1780=y CONFIG_NETDEVICES=y @@ -65,16 +62,18 @@ CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_NOMADIK=y -CONFIG_I2C=y -CONFIG_I2C_NOMADIK=y CONFIG_SPI=y CONFIG_SPI_PL022=y CONFIG_GPIO_STMPE=y CONFIG_GPIO_TC3589X=y +CONFIG_POWER_SUPPLY=y +CONFIG_AB8500_BM=y +CONFIG_AB8500_BATTERY_THERM_ON_BATCTRL=y CONFIG_MFD_STMPE=y CONFIG_MFD_TC3589X=y CONFIG_AB5500_CORE=y CONFIG_AB8500_CORE=y +CONFIG_REGULATOR=y CONFIG_REGULATOR_AB8500=y # CONFIG_HID_SUPPORT is not set CONFIG_USB_GADGET=y diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h new file mode 100644 index 000000000000..ed2e95d46e29 --- /dev/null +++ b/arch/arm/include/asm/arch_timer.h @@ -0,0 +1,19 @@ +#ifndef __ASMARM_ARCH_TIMER_H +#define __ASMARM_ARCH_TIMER_H + +#ifdef CONFIG_ARM_ARCH_TIMER +int arch_timer_of_register(void); +int arch_timer_sched_clock_init(void); +#else +static inline int arch_timer_of_register(void) +{ + return -ENXIO; +} + +static inline int arch_timer_sched_clock_init(void) +{ + return -ENXIO; +} +#endif + +#endif diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h index 73f84fa4f366..d36a73d7c0e8 100644 --- a/arch/arm/include/asm/hardware/it8152.h +++ b/arch/arm/include/asm/hardware/it8152.h @@ -110,6 +110,6 @@ extern void it8152_irq_demux(unsigned int irq, struct irq_desc *desc); extern void it8152_init_irq(void); extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); extern int it8152_pci_setup(int nr, struct pci_sys_data *sys); -extern struct pci_bus *it8152_pci_scan_bus(int nr, struct pci_sys_data *sys); +extern struct pci_ops it8152_ops; #endif /* __ASM_HARDWARE_IT8152_H */ diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index d943b7d20f11..26c511fddf8f 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -12,13 +12,14 @@ #define __ASM_MACH_PCI_H struct pci_sys_data; +struct pci_ops; struct pci_bus; struct hw_pci { #ifdef CONFIG_PCI_DOMAINS int domain; #endif - struct list_head buses; + struct pci_ops *ops; int nr_controllers; int (*setup)(int nr, struct pci_sys_data *); struct pci_bus *(*scan)(int nr, struct pci_sys_data *); @@ -45,16 +46,10 @@ struct pci_sys_data { u8 (*swizzle)(struct pci_dev *, u8 *); /* IRQ mapping */ int (*map_irq)(const struct pci_dev *, u8, u8); - struct hw_pci *hw; void *private_data; /* platform controller private data */ }; /* - * This is the standard PCI-PCI bridge swizzling algorithm. - */ -#define pci_std_swizzle pci_common_swizzle - -/* * Call this with your hw_pci struct to initialise the PCI system. */ void pci_common_init(struct hw_pci *); @@ -62,22 +57,22 @@ void pci_common_init(struct hw_pci *); /* * PCI controllers */ +extern struct pci_ops iop3xx_ops; extern int iop3xx_pci_setup(int nr, struct pci_sys_data *); -extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *); extern void iop3xx_pci_preinit(void); extern void iop3xx_pci_preinit_cond(void); +extern struct pci_ops dc21285_ops; extern int dc21285_setup(int nr, struct pci_sys_data *); -extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *); extern void dc21285_preinit(void); extern void dc21285_postinit(void); +extern struct pci_ops via82c505_ops; extern int via82c505_setup(int nr, struct pci_sys_data *); -extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *); extern void via82c505_init(void *sysdata); +extern struct pci_ops pci_v3_ops; extern int pci_v3_setup(int nr, struct pci_sys_data *); -extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *); extern void pci_v3_preinit(void); extern void pci_v3_postinit(void); diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h index b8e580a297e4..14965658a923 100644 --- a/arch/arm/include/asm/mmu.h +++ b/arch/arm/include/asm/mmu.h @@ -34,11 +34,4 @@ typedef struct { #endif -/* - * switch_mm() may do a full cache flush over the context switch, - * so enable interrupts over the context switch to avoid high - * latency. - */ -#define __ARCH_WANT_INTERRUPTS_ON_CTXSW - #endif diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h index a0b3cac0547c..0306bc642c0d 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -43,45 +43,104 @@ void __check_kvm_seq(struct mm_struct *mm); #define ASID_FIRST_VERSION (1 << ASID_BITS) extern unsigned int cpu_last_asid; -#ifdef CONFIG_SMP -DECLARE_PER_CPU(struct mm_struct *, current_mm); -#endif void __init_new_context(struct task_struct *tsk, struct mm_struct *mm); void __new_context(struct mm_struct *mm); +void cpu_set_reserved_ttbr0(void); -static inline void check_context(struct mm_struct *mm) +static inline void switch_new_context(struct mm_struct *mm) { - /* - * This code is executed with interrupts enabled. Therefore, - * mm->context.id cannot be updated to the latest ASID version - * on a different CPU (and condition below not triggered) - * without first getting an IPI to reset the context. The - * alternative is to take a read_lock on mm->context.id_lock - * (after changing its type to rwlock_t). - */ - if (unlikely((mm->context.id ^ cpu_last_asid) >> ASID_BITS)) - __new_context(mm); + unsigned long flags; + + __new_context(mm); + + local_irq_save(flags); + cpu_switch_mm(mm->pgd, mm); + local_irq_restore(flags); +} +static inline void check_and_switch_context(struct mm_struct *mm, + struct task_struct *tsk) +{ if (unlikely(mm->context.kvm_seq != init_mm.context.kvm_seq)) __check_kvm_seq(mm); + + /* + * Required during context switch to avoid speculative page table + * walking with the wrong TTBR. + */ + cpu_set_reserved_ttbr0(); + + if (!((mm->context.id ^ cpu_last_asid) >> ASID_BITS)) + /* + * The ASID is from the current generation, just switch to the + * new pgd. This condition is only true for calls from + * context_switch() and interrupts are already disabled. + */ + cpu_switch_mm(mm->pgd, mm); + else if (irqs_disabled()) + /* + * Defer the new ASID allocation until after the context + * switch critical region since __new_context() cannot be + * called with interrupts disabled (it sends IPIs). + */ + set_ti_thread_flag(task_thread_info(tsk), TIF_SWITCH_MM); + else + /* + * That is a direct call to switch_mm() or activate_mm() with + * interrupts enabled and a new context. + */ + switch_new_context(mm); } #define init_new_context(tsk,mm) (__init_new_context(tsk,mm),0) -#else - -static inline void check_context(struct mm_struct *mm) +#define finish_arch_post_lock_switch \ + finish_arch_post_lock_switch +static inline void finish_arch_post_lock_switch(void) { + if (test_and_clear_thread_flag(TIF_SWITCH_MM)) + switch_new_context(current->mm); +} + +#else /* !CONFIG_CPU_HAS_ASID */ + #ifdef CONFIG_MMU + +static inline void check_and_switch_context(struct mm_struct *mm, + struct task_struct *tsk) +{ if (unlikely(mm->context.kvm_seq != init_mm.context.kvm_seq)) __check_kvm_seq(mm); -#endif + + if (irqs_disabled()) + /* + * cpu_switch_mm() needs to flush the VIVT caches. To avoid + * high interrupt latencies, defer the call and continue + * running with the old mm. Since we only support UP systems + * on non-ASID CPUs, the old mm will remain valid until the + * finish_arch_post_lock_switch() call. + */ + set_ti_thread_flag(task_thread_info(tsk), TIF_SWITCH_MM); + else + cpu_switch_mm(mm->pgd, mm); } +#define finish_arch_post_lock_switch \ + finish_arch_post_lock_switch +static inline void finish_arch_post_lock_switch(void) +{ + if (test_and_clear_thread_flag(TIF_SWITCH_MM)) { + struct mm_struct *mm = current->mm; + cpu_switch_mm(mm->pgd, mm); + } +} + +#endif /* CONFIG_MMU */ + #define init_new_context(tsk,mm) 0 -#endif +#endif /* CONFIG_CPU_HAS_ASID */ #define destroy_context(mm) do { } while(0) @@ -119,12 +178,7 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next, __flush_icache_all(); #endif if (!cpumask_test_and_set_cpu(cpu, mm_cpumask(next)) || prev != next) { -#ifdef CONFIG_SMP - struct mm_struct **crt_mm = &per_cpu(current_mm, cpu); - *crt_mm = next; -#endif - check_context(next); - cpu_switch_mm(next->pgd, next); + check_and_switch_context(next, tsk); if (cache_is_vivt()) cpumask_clear_cpu(cpu, mm_cpumask(prev)); } diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index d4c24d412a8d..68388eb4946b 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -118,6 +118,13 @@ extern void iwmmxt_task_switch(struct thread_info *); extern void vfp_sync_hwstate(struct thread_info *); extern void vfp_flush_hwstate(struct thread_info *); +struct user_vfp; +struct user_vfp_exc; + +extern int vfp_preserve_user_clear_hwstate(struct user_vfp __user *, + struct user_vfp_exc __user *); +extern int vfp_restore_user_hwstate(struct user_vfp __user *, + struct user_vfp_exc __user *); #endif /* @@ -146,6 +153,7 @@ extern void vfp_flush_hwstate(struct thread_info *); #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 20 #define TIF_SECCOMP 21 +#define TIF_SWITCH_MM 22 /* deferred switch_mm */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h index 60843eb0f61c..73409e6c0251 100644 --- a/arch/arm/include/asm/tls.h +++ b/arch/arm/include/asm/tls.h @@ -7,6 +7,8 @@ .macro set_tls_v6k, tp, tmp1, tmp2 mcr p15, 0, \tp, c13, c0, 3 @ set TLS register + mov \tmp1, #0 + mcr p15, 0, \tmp1, c13, c0, 2 @ clear user r/w TLS register .endm .macro set_tls_v6, tp, tmp1, tmp2 @@ -15,6 +17,8 @@ mov \tmp2, #0xffff0fff tst \tmp1, #HWCAP_TLS @ hardware TLS available? mcrne p15, 0, \tp, c13, c0, 3 @ yes, set TLS register + movne \tmp1, #0 + mcrne p15, 0, \tmp1, c13, c0, 2 @ clear user r/w TLS register streq \tp, [\tmp2, #-15] @ set TLS value at 0xffff0ff0 .endm diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 7b787d642af4..22b0f1e255f0 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_ARM_CPU_SUSPEND) += sleep.o suspend.o obj-$(CONFIG_SMP) += smp.o smp_tlb.o obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o obj-$(CONFIG_HAVE_ARM_TWD) += smp_twd.o +obj-$(CONFIG_ARM_ARCH_TIMER) += arch_timer.o obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o insn.o obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o insn.o obj-$(CONFIG_JUMP_LABEL) += jump_label.o insn.o patch.o diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c new file mode 100644 index 000000000000..dd58035621f7 --- /dev/null +++ b/arch/arm/kernel/arch_timer.c @@ -0,0 +1,350 @@ +/* + * linux/arch/arm/kernel/arch_timer.c + * + * Copyright (C) 2011 ARM Ltd. + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/smp.h> +#include <linux/cpu.h> +#include <linux/jiffies.h> +#include <linux/clockchips.h> +#include <linux/interrupt.h> +#include <linux/of_irq.h> +#include <linux/io.h> + +#include <asm/cputype.h> +#include <asm/localtimer.h> +#include <asm/arch_timer.h> +#include <asm/system_info.h> +#include <asm/sched_clock.h> + +static unsigned long arch_timer_rate; +static int arch_timer_ppi; +static int arch_timer_ppi2; + +static struct clock_event_device __percpu **arch_timer_evt; + +/* + * Architected system timer support. + */ + +#define ARCH_TIMER_CTRL_ENABLE (1 << 0) +#define ARCH_TIMER_CTRL_IT_MASK (1 << 1) +#define ARCH_TIMER_CTRL_IT_STAT (1 << 2) + +#define ARCH_TIMER_REG_CTRL 0 +#define ARCH_TIMER_REG_FREQ 1 +#define ARCH_TIMER_REG_TVAL 2 + +static void arch_timer_reg_write(int reg, u32 val) +{ + switch (reg) { + case ARCH_TIMER_REG_CTRL: + asm volatile("mcr p15, 0, %0, c14, c2, 1" : : "r" (val)); + break; + case ARCH_TIMER_REG_TVAL: + asm volatile("mcr p15, 0, %0, c14, c2, 0" : : "r" (val)); + break; + } + + isb(); +} + +static u32 arch_timer_reg_read(int reg) +{ + u32 val; + + switch (reg) { + case ARCH_TIMER_REG_CTRL: + asm volatile("mrc p15, 0, %0, c14, c2, 1" : "=r" (val)); + break; + case ARCH_TIMER_REG_FREQ: + asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (val)); + break; + case ARCH_TIMER_REG_TVAL: + asm volatile("mrc p15, 0, %0, c14, c2, 0" : "=r" (val)); + break; + default: + BUG(); + } + + return val; +} + +static irqreturn_t arch_timer_handler(int irq, void *dev_id) +{ + struct clock_event_device *evt = *(struct clock_event_device **)dev_id; + unsigned long ctrl; + + ctrl = arch_timer_reg_read(ARCH_TIMER_REG_CTRL); + if (ctrl & ARCH_TIMER_CTRL_IT_STAT) { + ctrl |= ARCH_TIMER_CTRL_IT_MASK; + arch_timer_reg_write(ARCH_TIMER_REG_CTRL, ctrl); + evt->event_handler(evt); + return IRQ_HANDLED; + } + + return IRQ_NONE; +} + +static void arch_timer_disable(void) +{ + unsigned long ctrl; + + ctrl = arch_timer_reg_read(ARCH_TIMER_REG_CTRL); + ctrl &= ~ARCH_TIMER_CTRL_ENABLE; + arch_timer_reg_write(ARCH_TIMER_REG_CTRL, ctrl); +} + +static void arch_timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *clk) +{ + switch (mode) { + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + arch_timer_disable(); + break; + default: + break; + } +} + +static int arch_timer_set_next_event(unsigned long evt, + struct clock_event_device *unused) +{ + unsigned long ctrl; + + ctrl = arch_timer_reg_read(ARCH_TIMER_REG_CTRL); + ctrl |= ARCH_TIMER_CTRL_ENABLE; + ctrl &= ~ARCH_TIMER_CTRL_IT_MASK; + + arch_timer_reg_write(ARCH_TIMER_REG_TVAL, evt); + arch_timer_reg_write(ARCH_TIMER_REG_CTRL, ctrl); + + return 0; +} + +static int __cpuinit arch_timer_setup(struct clock_event_device *clk) +{ + /* Be safe... */ + arch_timer_disable(); + + clk->features = CLOCK_EVT_FEAT_ONESHOT; + clk->name = "arch_sys_timer"; + clk->rating = 450; + clk->set_mode = arch_timer_set_mode; + clk->set_next_event = arch_timer_set_next_event; + clk->irq = arch_timer_ppi; + + clockevents_config_and_register(clk, arch_timer_rate, + 0xf, 0x7fffffff); + + *__this_cpu_ptr(arch_timer_evt) = clk; + + enable_percpu_irq(clk->irq, 0); + if (arch_timer_ppi2) + enable_percpu_irq(arch_timer_ppi2, 0); + + return 0; +} + +/* Is the optional system timer available? */ +static int local_timer_is_architected(void) +{ + return (cpu_architecture() >= CPU_ARCH_ARMv7) && + ((read_cpuid_ext(CPUID_EXT_PFR1) >> 16) & 0xf) == 1; +} + +static int arch_timer_available(void) +{ + unsigned long freq; + + if (!local_timer_is_architected()) + return -ENXIO; + + if (arch_timer_rate == 0) { + arch_timer_reg_write(ARCH_TIMER_REG_CTRL, 0); + freq = arch_timer_reg_read(ARCH_TIMER_REG_FREQ); + + /* Check the timer frequency. */ + if (freq == 0) { + pr_warn("Architected timer frequency not available\n"); + return -EINVAL; + } + + arch_timer_rate = freq; + } + + pr_info_once("Architected local timer running at %lu.%02luMHz.\n", + arch_timer_rate / 1000000, (arch_timer_rate / 10000) % 100); + return 0; +} + +static inline cycle_t arch_counter_get_cntpct(void) +{ + u32 cvall, cvalh; + + asm volatile("mrrc p15, 0, %0, %1, c14" : "=r" (cvall), "=r" (cvalh)); + + return ((cycle_t) cvalh << 32) | cvall; +} + +static inline cycle_t arch_counter_get_cntvct(void) +{ + u32 cvall, cvalh; + + asm volatile("mrrc p15, 1, %0, %1, c14" : "=r" (cvall), "=r" (cvalh)); + + return ((cycle_t) cvalh << 32) | cvall; +} + +static u32 notrace arch_counter_get_cntvct32(void) +{ + cycle_t cntvct = arch_counter_get_cntvct(); + + /* + * The sched_clock infrastructure only knows about counters + * with at most 32bits. Forget about the upper 24 bits for the + * time being... + */ + return (u32)(cntvct & (u32)~0); +} + +static cycle_t arch_counter_read(struct clocksource *cs) +{ + return arch_counter_get_cntpct(); +} + +static struct clocksource clocksource_counter = { + .name = "arch_sys_counter", + .rating = 400, + .read = arch_counter_read, + .mask = CLOCKSOURCE_MASK(56), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static void __cpuinit arch_timer_stop(struct clock_event_device *clk) +{ + pr_debug("arch_timer_teardown disable IRQ%d cpu #%d\n", + clk->irq, smp_processor_id()); + disable_percpu_irq(clk->irq); + if (arch_timer_ppi2) + disable_percpu_irq(arch_timer_ppi2); + arch_timer_set_mode(CLOCK_EVT_MODE_UNUSED, clk); +} + +static struct local_timer_ops arch_timer_ops __cpuinitdata = { + .setup = arch_timer_setup, + .stop = arch_timer_stop, +}; + +static struct clock_event_device arch_timer_global_evt; + +static int __init arch_timer_register(void) +{ + int err; + + err = arch_timer_available(); + if (err) + return err; + + arch_timer_evt = alloc_percpu(struct clock_event_device *); + if (!arch_timer_evt) + return -ENOMEM; + + clocksource_register_hz(&clocksource_counter, arch_timer_rate); + + err = request_percpu_irq(arch_timer_ppi, arch_timer_handler, + "arch_timer", arch_timer_evt); + if (err) { + pr_err("arch_timer: can't register interrupt %d (%d)\n", + arch_timer_ppi, err); + goto out_free; + } + + if (arch_timer_ppi2) { + err = request_percpu_irq(arch_timer_ppi2, arch_timer_handler, + "arch_timer", arch_timer_evt); + if (err) { + pr_err("arch_timer: can't register interrupt %d (%d)\n", + arch_timer_ppi2, err); + arch_timer_ppi2 = 0; + goto out_free_irq; + } + } + + err = local_timer_register(&arch_timer_ops); + if (err) { + /* + * We couldn't register as a local timer (could be + * because we're on a UP platform, or because some + * other local timer is already present...). Try as a + * global timer instead. + */ + arch_timer_global_evt.cpumask = cpumask_of(0); + err = arch_timer_setup(&arch_timer_global_evt); + } + + if (err) + goto out_free_irq; + + return 0; + +out_free_irq: + free_percpu_irq(arch_timer_ppi, arch_timer_evt); + if (arch_timer_ppi2) + free_percpu_irq(arch_timer_ppi2, arch_timer_evt); + +out_free: + free_percpu(arch_timer_evt); + + return err; +} + +static const struct of_device_id arch_timer_of_match[] __initconst = { + { .compatible = "arm,armv7-timer", }, + {}, +}; + +int __init arch_timer_of_register(void) +{ + struct device_node *np; + u32 freq; + + np = of_find_matching_node(NULL, arch_timer_of_match); + if (!np) { + pr_err("arch_timer: can't find DT node\n"); + return -ENODEV; + } + + /* Try to determine the frequency from the device tree or CNTFRQ */ + if (!of_property_read_u32(np, "clock-frequency", &freq)) + arch_timer_rate = freq; + + arch_timer_ppi = irq_of_parse_and_map(np, 0); + arch_timer_ppi2 = irq_of_parse_and_map(np, 1); + pr_info("arch_timer: found %s irqs %d %d\n", + np->name, arch_timer_ppi, arch_timer_ppi2); + + return arch_timer_register(); +} + +int __init arch_timer_sched_clock_init(void) +{ + int err; + + err = arch_timer_available(); + if (err) + return err; + + setup_sched_clock(arch_counter_get_cntvct32, 32, arch_timer_rate); + return 0; +} diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index ede5f7741c42..25552508c3fd 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -374,16 +374,29 @@ EXPORT_SYMBOL(pcibios_fixup_bus); #endif /* - * Swizzle the device pin each time we cross a bridge. - * This might update pin and returns the slot number. + * Swizzle the device pin each time we cross a bridge. If a platform does + * not provide a swizzle function, we perform the standard PCI swizzling. + * + * The default swizzling walks up the bus tree one level at a time, applying + * the standard swizzle function at each step, stopping when it finds the PCI + * root bus. This will return the slot number of the bridge device on the + * root bus and the interrupt pin on that device which should correspond + * with the downstream device interrupt. + * + * Platforms may override this, in which case the slot and pin returned + * depend entirely on the platform code. However, please note that the + * PCI standard swizzle is implemented on plug-in cards and Cardbus based + * PCI extenders, so it can not be ignored. */ static u8 __devinit pcibios_swizzle(struct pci_dev *dev, u8 *pin) { struct pci_sys_data *sys = dev->sysdata; - int slot = 0, oldpin = *pin; + int slot, oldpin = *pin; if (sys->swizzle) slot = sys->swizzle(dev, pin); + else + slot = pci_common_swizzle(dev, pin); if (debug_pci) printk("PCI: %s swizzling pin %d => pin %d slot %d\n", @@ -410,7 +423,7 @@ static int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return irq; } -static void __init pcibios_init_hw(struct hw_pci *hw) +static void __init pcibios_init_hw(struct hw_pci *hw, struct list_head *head) { struct pci_sys_data *sys = NULL; int ret; @@ -424,7 +437,6 @@ static void __init pcibios_init_hw(struct hw_pci *hw) #ifdef CONFIG_PCI_DOMAINS sys->domain = hw->domain; #endif - sys->hw = hw; sys->busnr = busnr; sys->swizzle = hw->swizzle; sys->map_irq = hw->map_irq; @@ -440,14 +452,18 @@ static void __init pcibios_init_hw(struct hw_pci *hw) &iomem_resource, sys->mem_offset); } - sys->bus = hw->scan(nr, sys); + if (hw->scan) + sys->bus = hw->scan(nr, sys); + else + sys->bus = pci_scan_root_bus(NULL, sys->busnr, + hw->ops, sys, &sys->resources); if (!sys->bus) panic("PCI: unable to scan bus!"); busnr = sys->bus->subordinate + 1; - list_add(&sys->node, &hw->buses); + list_add(&sys->node, head); } else { kfree(sys); if (ret < 0) @@ -459,19 +475,18 @@ static void __init pcibios_init_hw(struct hw_pci *hw) void __init pci_common_init(struct hw_pci *hw) { struct pci_sys_data *sys; - - INIT_LIST_HEAD(&hw->buses); + LIST_HEAD(head); pci_add_flags(PCI_REASSIGN_ALL_RSRC); if (hw->preinit) hw->preinit(); - pcibios_init_hw(hw); + pcibios_init_hw(hw, &head); if (hw->postinit) hw->postinit(); pci_fixup_irqs(pcibios_swizzle, pcibios_map_irq); - list_for_each_entry(sys, &hw->buses, node) { + list_for_each_entry(sys, &head, node) { struct pci_bus *bus = sys->bus; if (!pci_has_flag(PCI_PROBE_ONLY)) { diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 71ccdbfed662..8349d4e97e2b 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -155,10 +155,10 @@ static bool migrate_one_irq(struct irq_desc *desc) } c = irq_data_get_irq_chip(d); - if (c->irq_set_affinity) - c->irq_set_affinity(d, affinity, true); - else + if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); + else if (c->irq_set_affinity(d, affinity, true) == IRQ_SET_MASK_OK && ret) + cpumask_copy(d->affinity, affinity); return ret; } diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 80abafb9bf33..9650c143afc1 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -906,27 +906,14 @@ long arch_ptrace(struct task_struct *child, long request, return ret; } -#ifdef __ARMEB__ -#define AUDIT_ARCH_NR AUDIT_ARCH_ARMEB -#else -#define AUDIT_ARCH_NR AUDIT_ARCH_ARM -#endif - asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) { unsigned long ip; - /* - * Save IP. IP is used to denote syscall entry/exit: - * IP = 0 -> entry, = 1 -> exit - */ - ip = regs->ARM_ip; - regs->ARM_ip = why; - - if (!ip) + if (why) audit_syscall_exit(regs); else - audit_syscall_entry(AUDIT_ARCH_NR, scno, regs->ARM_r0, + audit_syscall_entry(AUDIT_ARCH_ARM, scno, regs->ARM_r0, regs->ARM_r1, regs->ARM_r2, regs->ARM_r3); if (!test_thread_flag(TIF_SYSCALL_TRACE)) @@ -936,6 +923,13 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) current_thread_info()->syscall = scno; + /* + * IP is used to denote syscall entry/exit: + * IP = 0 -> entry, =1 -> exit + */ + ip = regs->ARM_ip; + regs->ARM_ip = why; + /* the 0x80 provides a way for the tracing parent to distinguish between a syscall stop and SIGTRAP delivery */ ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 7cb532fc8aa4..d68d1b694680 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -180,44 +180,23 @@ static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame) static int preserve_vfp_context(struct vfp_sigframe __user *frame) { - struct thread_info *thread = current_thread_info(); - struct vfp_hard_struct *h = &thread->vfpstate.hard; const unsigned long magic = VFP_MAGIC; const unsigned long size = VFP_STORAGE_SIZE; int err = 0; - vfp_sync_hwstate(thread); __put_user_error(magic, &frame->magic, err); __put_user_error(size, &frame->size, err); - /* - * Copy the floating point registers. There can be unused - * registers see asm/hwcap.h for details. - */ - err |= __copy_to_user(&frame->ufp.fpregs, &h->fpregs, - sizeof(h->fpregs)); - /* - * Copy the status and control register. - */ - __put_user_error(h->fpscr, &frame->ufp.fpscr, err); - - /* - * Copy the exception registers. - */ - __put_user_error(h->fpexc, &frame->ufp_exc.fpexc, err); - __put_user_error(h->fpinst, &frame->ufp_exc.fpinst, err); - __put_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err); + if (err) + return -EFAULT; - return err ? -EFAULT : 0; + return vfp_preserve_user_clear_hwstate(&frame->ufp, &frame->ufp_exc); } static int restore_vfp_context(struct vfp_sigframe __user *frame) { - struct thread_info *thread = current_thread_info(); - struct vfp_hard_struct *h = &thread->vfpstate.hard; unsigned long magic; unsigned long size; - unsigned long fpexc; int err = 0; __get_user_error(magic, &frame->magic, err); @@ -228,33 +207,7 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame) if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE) return -EINVAL; - vfp_flush_hwstate(thread); - - /* - * Copy the floating point registers. There can be unused - * registers see asm/hwcap.h for details. - */ - err |= __copy_from_user(&h->fpregs, &frame->ufp.fpregs, - sizeof(h->fpregs)); - /* - * Copy the status and control register. - */ - __get_user_error(h->fpscr, &frame->ufp.fpscr, err); - - /* - * Sanitise and restore the exception registers. - */ - __get_user_error(fpexc, &frame->ufp_exc.fpexc, err); - /* Ensure the VFP is enabled. */ - fpexc |= FPEXC_EN; - /* Ensure FPINST2 is invalid and the exception flag is cleared. */ - fpexc &= ~(FPEXC_EX | FPEXC_FP2V); - h->fpexc = fpexc; - - __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err); - __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err); - - return err ? -EFAULT : 0; + return vfp_restore_user_hwstate(&frame->ufp, &frame->ufp_exc); } #endif diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index addbbe8028c2..cf58558ef4b9 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -251,8 +251,6 @@ asmlinkage void __cpuinit secondary_start_kernel(void) struct mm_struct *mm = &init_mm; unsigned int cpu = smp_processor_id(); - printk("CPU%u: Booted secondary processor\n", cpu); - /* * All kernel threads share the same mm context; grab a * reference and switch to it. @@ -264,6 +262,8 @@ asmlinkage void __cpuinit secondary_start_kernel(void) enter_lazy_tlb(mm, current); local_flush_tlb_all(); + printk("CPU%u: Booted secondary processor\n", cpu); + cpu_init(); preempt_disable(); trace_hardirqs_off(); @@ -454,6 +454,9 @@ static struct local_timer_ops *lt_ops; #ifdef CONFIG_LOCAL_TIMERS int local_timer_register(struct local_timer_ops *ops) { + if (!is_smp() || !setup_max_cpus) + return -ENXIO; + if (lt_ops) return -EBUSY; @@ -510,10 +513,6 @@ static void ipi_cpu_stop(unsigned int cpu) local_fiq_disable(); local_irq_disable(); -#ifdef CONFIG_HOTPLUG_CPU - platform_cpu_kill(cpu); -#endif - while (1) cpu_relax(); } @@ -576,17 +575,25 @@ void smp_send_reschedule(int cpu) smp_cross_call(cpumask_of(cpu), IPI_RESCHEDULE); } +#ifdef CONFIG_HOTPLUG_CPU +static void smp_kill_cpus(cpumask_t *mask) +{ + unsigned int cpu; + for_each_cpu(cpu, mask) + platform_cpu_kill(cpu); +} +#else +static void smp_kill_cpus(cpumask_t *mask) { } +#endif + void smp_send_stop(void) { unsigned long timeout; + struct cpumask mask; - if (num_online_cpus() > 1) { - struct cpumask mask; - cpumask_copy(&mask, cpu_online_mask); - cpumask_clear_cpu(smp_processor_id(), &mask); - - smp_cross_call(&mask, IPI_CPU_STOP); - } + cpumask_copy(&mask, cpu_online_mask); + cpumask_clear_cpu(smp_processor_id(), &mask); + smp_cross_call(&mask, IPI_CPU_STOP); /* Wait up to one second for other CPUs to stop */ timeout = USEC_PER_SEC; @@ -595,6 +602,8 @@ void smp_send_stop(void) if (num_online_cpus() > 1) pr_warning("SMP: failed to stop secondary CPUs\n"); + + smp_kill_cpus(&mask); } /* diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index 5b150afb995b..fef42b21cecb 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -118,14 +118,10 @@ static int twd_cpufreq_transition(struct notifier_block *nb, * The twd clock events must be reprogrammed to account for the new * frequency. The timer is local to a cpu, so cross-call to the * changing cpu. - * - * Only wait for it to finish, if the cpu is active to avoid - * deadlock when cpu1 is spinning on while(!cpu_active(cpu1)) during - * booting of that cpu. */ if (state == CPUFREQ_POSTCHANGE || state == CPUFREQ_RESUMECHANGE) smp_call_function_single(freqs->cpu, twd_update_frequency, - NULL, cpu_active(freqs->cpu)); + NULL, 1); return NOTIFY_OK; } diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index d2b177905cdb..76cbb055dd05 100644 --- a/arch/arm/kernel/sys_arm.c +++ b/arch/arm/kernel/sys_arm.c @@ -115,7 +115,7 @@ int kernel_execve(const char *filename, "Ir" (THREAD_START_SP - sizeof(regs)), "r" (®s), "Ir" (sizeof(regs)) - : "r0", "r1", "r2", "r3", "ip", "lr", "memory"); + : "r0", "r1", "r2", "r3", "r8", "r9", "ip", "lr", "memory"); out: return ret; diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c index 99ce5c955e39..05774e5b1cba 100644 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -1173,7 +1173,6 @@ void __init at91_add_device_serial(void) printk(KERN_INFO "AT91: No default serial console defined.\n"); } #else -void __init __deprecated at91_init_serial(struct at91_uart_config *config) {} void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} void __init at91_set_serial_console(unsigned portnr) {} void __init at91_add_device_serial(void) {} diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index dd7f782b0b91..104ca40d8d18 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -23,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/clockchips.h> +#include <linux/export.h> #include <asm/mach/time.h> @@ -176,6 +177,7 @@ static struct clock_event_device clkevt = { }; void __iomem *at91_st_base; +EXPORT_SYMBOL_GPL(at91_st_base); void __init at91rm9200_ioremap_st(u32 addr) { diff --git a/arch/arm/mach-at91/board-rm9200ek.c b/arch/arm/mach-at91/board-rm9200ek.c index 11cbaa8946fe..b2e4fe21f346 100644 --- a/arch/arm/mach-at91/board-rm9200ek.c +++ b/arch/arm/mach-at91/board-rm9200ek.c @@ -117,7 +117,7 @@ static struct i2c_board_info __initdata ek_i2c_devices[] = { }; #define EK_FLASH_BASE AT91_CHIPSELECT_0 -#define EK_FLASH_SIZE SZ_2M +#define EK_FLASH_SIZE SZ_8M static struct physmap_flash_data ek_flash_data = { .width = 2, diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c index c3f994462864..065fed342424 100644 --- a/arch/arm/mach-at91/board-sam9261ek.c +++ b/arch/arm/mach-at91/board-sam9261ek.c @@ -85,8 +85,6 @@ static struct resource dm9000_resource[] = { .flags = IORESOURCE_MEM }, [2] = { - .start = AT91_PIN_PC11, - .end = AT91_PIN_PC11, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE, } @@ -130,6 +128,8 @@ static struct sam9_smc_config __initdata dm9000_smc_config = { static void __init ek_add_device_dm9000(void) { + struct resource *r = &dm9000_resource[2]; + /* Configure chip-select 2 (DM9000) */ sam9_smc_configure(0, 2, &dm9000_smc_config); @@ -139,6 +139,7 @@ static void __init ek_add_device_dm9000(void) /* Configure Interrupt pin as input, no pull-up */ at91_set_gpio_input(AT91_PIN_PC11, 0); + r->start = r->end = gpio_to_irq(AT91_PIN_PC11); platform_device_register(&dm9000_device); } #else diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c index a0f4d7424cdc..6b692824c988 100644 --- a/arch/arm/mach-at91/clock.c +++ b/arch/arm/mach-at91/clock.c @@ -35,6 +35,7 @@ #include "generic.h" void __iomem *at91_pmc_base; +EXPORT_SYMBOL_GPL(at91_pmc_base); /* * There's a lot more which can be done with clocks, including cpufreq diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index 36604782a78f..ea2c57a86ca6 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -25,7 +25,7 @@ extern void __iomem *at91_pmc_base; #define at91_pmc_write(field, value) \ __raw_writel(value, at91_pmc_base + field) #else -.extern at91_aic_base +.extern at91_pmc_base #endif #define AT91_PMC_SCER 0x00 /* System Clock Enable Register */ diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 97cc04dc8073..f44a2e7272e3 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -54,6 +54,7 @@ void __init at91_init_interrupts(unsigned int *priority) } void __iomem *at91_ramc_base[2]; +EXPORT_SYMBOL_GPL(at91_ramc_base); void __init at91_ioremap_ramc(int id, u32 addr, u32 size) { @@ -292,6 +293,7 @@ void __init at91_ioremap_rstc(u32 base_addr) } void __iomem *at91_matrix_base; +EXPORT_SYMBOL_GPL(at91_matrix_base); void __init at91_ioremap_matrix(u32 base_addr) { diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c index 22e4e0a28ad1..adbfb1994582 100644 --- a/arch/arm/mach-bcmring/core.c +++ b/arch/arm/mach-bcmring/core.c @@ -52,8 +52,8 @@ #include <mach/csp/chipcHw_inline.h> #include <mach/csp/tmrHw_reg.h> -static AMBA_APB_DEVICE(uartA, "uarta", MM_ADDR_IO_UARTA, { IRQ_UARTA }, NULL); -static AMBA_APB_DEVICE(uartB, "uartb", MM_ADDR_IO_UARTB, { IRQ_UARTB }, NULL); +static AMBA_APB_DEVICE(uartA, "uartA", 0, MM_ADDR_IO_UARTA, {IRQ_UARTA}, NULL); +static AMBA_APB_DEVICE(uartB, "uartB", 0, MM_ADDR_IO_UARTB, {IRQ_UARTB}, NULL); static struct clk pll1_clk = { .name = "PLL1", diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c index 79d001f831e0..311328314163 100644 --- a/arch/arm/mach-cns3xxx/pcie.c +++ b/arch/arm/mach-cns3xxx/pcie.c @@ -166,12 +166,6 @@ static struct pci_ops cns3xxx_pcie_ops = { .write = cns3xxx_pci_write_config, }; -static struct pci_bus *cns3xxx_pci_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, sys->busnr, &cns3xxx_pcie_ops, sys, - &sys->resources); -} - static int cns3xxx_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { struct cns3xxx_pcie *cnspci = pdev_to_cnspci(dev); @@ -221,10 +215,9 @@ static struct cns3xxx_pcie cns3xxx_pcie[] = { .irqs = { IRQ_CNS3XXX_PCIE0_RC, IRQ_CNS3XXX_PCIE0_DEVICE, }, .hw_pci = { .domain = 0, - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &cns3xxx_pcie_ops, .setup = cns3xxx_pci_setup, - .scan = cns3xxx_pci_scan_bus, .map_irq = cns3xxx_pcie_map_irq, }, }, @@ -264,10 +257,9 @@ static struct cns3xxx_pcie cns3xxx_pcie[] = { .irqs = { IRQ_CNS3XXX_PCIE1_RC, IRQ_CNS3XXX_PCIE1_DEVICE, }, .hw_pci = { .domain = 1, - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &cns3xxx_pcie_ops, .setup = cns3xxx_pci_setup, - .scan = cns3xxx_pci_scan_bus, .map_irq = cns3xxx_pcie_map_irq, }, }, diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c index 48a032005ea3..47921b0cdc65 100644 --- a/arch/arm/mach-dove/pcie.c +++ b/arch/arm/mach-dove/pcie.c @@ -43,6 +43,7 @@ static int __init dove_pcie_setup(int nr, struct pci_sys_data *sys) return 0; pp = &pcie_port[nr]; + sys->private_data = pp; pp->root_bus_nr = sys->busnr; /* @@ -93,19 +94,6 @@ static int __init dove_pcie_setup(int nr, struct pci_sys_data *sys) return 1; } -static struct pcie_port *bus_to_port(int bus) -{ - int i; - - for (i = num_pcie_ports - 1; i >= 0; i--) { - int rbus = pcie_port[i].root_bus_nr; - if (rbus != -1 && rbus <= bus) - break; - } - - return i >= 0 ? pcie_port + i : NULL; -} - static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) { /* @@ -121,7 +109,8 @@ static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 *val) { - struct pcie_port *pp = bus_to_port(bus->number); + struct pci_sys_data *sys = bus->sysdata; + struct pcie_port *pp = sys->private_data; unsigned long flags; int ret; @@ -140,7 +129,8 @@ static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, static int pcie_wr_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 val) { - struct pcie_port *pp = bus_to_port(bus->number); + struct pci_sys_data *sys = bus->sysdata; + struct pcie_port *pp = sys->private_data; unsigned long flags; int ret; @@ -194,14 +184,14 @@ dove_pcie_scan_bus(int nr, struct pci_sys_data *sys) static int __init dove_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - struct pcie_port *pp = bus_to_port(dev->bus->number); + struct pci_sys_data *sys = dev->sysdata; + struct pcie_port *pp = sys->private_data; return pp->index ? IRQ_DOVE_PCIE1 : IRQ_DOVE_PCIE0; } static struct hw_pci dove_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = dove_pcie_setup, .scan = dove_pcie_scan_bus, .map_irq = dove_pcie_map_irq, diff --git a/arch/arm/mach-exynos/clock-exynos4.c b/arch/arm/mach-exynos/clock-exynos4.c index df54c2a92225..6efd1e5919fd 100644 --- a/arch/arm/mach-exynos/clock-exynos4.c +++ b/arch/arm/mach-exynos/clock-exynos4.c @@ -497,25 +497,25 @@ static struct clk exynos4_init_clocks_off[] = { .ctrlbit = (1 << 3), }, { .name = "hsmmc", - .devname = "s3c-sdhci.0", + .devname = "exynos4-sdhci.0", .parent = &exynos4_clk_aclk_133.clk, .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 5), }, { .name = "hsmmc", - .devname = "s3c-sdhci.1", + .devname = "exynos4-sdhci.1", .parent = &exynos4_clk_aclk_133.clk, .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 6), }, { .name = "hsmmc", - .devname = "s3c-sdhci.2", + .devname = "exynos4-sdhci.2", .parent = &exynos4_clk_aclk_133.clk, .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 7), }, { .name = "hsmmc", - .devname = "s3c-sdhci.3", + .devname = "exynos4-sdhci.3", .parent = &exynos4_clk_aclk_133.clk, .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 8), @@ -1202,7 +1202,7 @@ static struct clksrc_clk exynos4_clk_sclk_uart3 = { static struct clksrc_clk exynos4_clk_sclk_mmc0 = { .clk = { .name = "sclk_mmc", - .devname = "s3c-sdhci.0", + .devname = "exynos4-sdhci.0", .parent = &exynos4_clk_dout_mmc0.clk, .enable = exynos4_clksrc_mask_fsys_ctrl, .ctrlbit = (1 << 0), @@ -1213,7 +1213,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc0 = { static struct clksrc_clk exynos4_clk_sclk_mmc1 = { .clk = { .name = "sclk_mmc", - .devname = "s3c-sdhci.1", + .devname = "exynos4-sdhci.1", .parent = &exynos4_clk_dout_mmc1.clk, .enable = exynos4_clksrc_mask_fsys_ctrl, .ctrlbit = (1 << 4), @@ -1224,7 +1224,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc1 = { static struct clksrc_clk exynos4_clk_sclk_mmc2 = { .clk = { .name = "sclk_mmc", - .devname = "s3c-sdhci.2", + .devname = "exynos4-sdhci.2", .parent = &exynos4_clk_dout_mmc2.clk, .enable = exynos4_clksrc_mask_fsys_ctrl, .ctrlbit = (1 << 8), @@ -1235,7 +1235,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc2 = { static struct clksrc_clk exynos4_clk_sclk_mmc3 = { .clk = { .name = "sclk_mmc", - .devname = "s3c-sdhci.3", + .devname = "exynos4-sdhci.3", .parent = &exynos4_clk_dout_mmc3.clk, .enable = exynos4_clksrc_mask_fsys_ctrl, .ctrlbit = (1 << 12), @@ -1340,10 +1340,10 @@ static struct clk_lookup exynos4_clk_lookup[] = { CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos4_clk_sclk_uart1.clk), CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos4_clk_sclk_uart2.clk), CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos4_clk_sclk_uart3.clk), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos4_clk_sclk_mmc0.clk), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos4_clk_sclk_mmc1.clk), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos4_clk_sclk_mmc2.clk), - CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk), + CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos4_clk_sclk_mmc0.clk), + CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos4_clk_sclk_mmc1.clk), + CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos4_clk_sclk_mmc2.clk), + CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk), CLKDEV_INIT("exynos4-fb.0", "lcd", &exynos4_clk_fimd0), CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos4_clk_pdma0), CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos4_clk_pdma1), diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c index d013982d0f8e..5cd7a8b8868c 100644 --- a/arch/arm/mach-exynos/clock-exynos5.c +++ b/arch/arm/mach-exynos/clock-exynos5.c @@ -455,25 +455,25 @@ static struct clk exynos5_init_clocks_off[] = { .ctrlbit = (1 << 20), }, { .name = "hsmmc", - .devname = "s3c-sdhci.0", + .devname = "exynos4-sdhci.0", .parent = &exynos5_clk_aclk_200.clk, .enable = exynos5_clk_ip_fsys_ctrl, .ctrlbit = (1 << 12), }, { .name = "hsmmc", - .devname = "s3c-sdhci.1", + .devname = "exynos4-sdhci.1", .parent = &exynos5_clk_aclk_200.clk, .enable = exynos5_clk_ip_fsys_ctrl, .ctrlbit = (1 << 13), }, { .name = "hsmmc", - .devname = "s3c-sdhci.2", + .devname = "exynos4-sdhci.2", .parent = &exynos5_clk_aclk_200.clk, .enable = exynos5_clk_ip_fsys_ctrl, .ctrlbit = (1 << 14), }, { .name = "hsmmc", - .devname = "s3c-sdhci.3", + .devname = "exynos4-sdhci.3", .parent = &exynos5_clk_aclk_200.clk, .enable = exynos5_clk_ip_fsys_ctrl, .ctrlbit = (1 << 15), @@ -813,7 +813,7 @@ static struct clksrc_clk exynos5_clk_sclk_uart3 = { static struct clksrc_clk exynos5_clk_sclk_mmc0 = { .clk = { .name = "sclk_mmc", - .devname = "s3c-sdhci.0", + .devname = "exynos4-sdhci.0", .parent = &exynos5_clk_dout_mmc0.clk, .enable = exynos5_clksrc_mask_fsys_ctrl, .ctrlbit = (1 << 0), @@ -824,7 +824,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc0 = { static struct clksrc_clk exynos5_clk_sclk_mmc1 = { .clk = { .name = "sclk_mmc", - .devname = "s3c-sdhci.1", + .devname = "exynos4-sdhci.1", .parent = &exynos5_clk_dout_mmc1.clk, .enable = exynos5_clksrc_mask_fsys_ctrl, .ctrlbit = (1 << 4), @@ -835,7 +835,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc1 = { static struct clksrc_clk exynos5_clk_sclk_mmc2 = { .clk = { .name = "sclk_mmc", - .devname = "s3c-sdhci.2", + .devname = "exynos4-sdhci.2", .parent = &exynos5_clk_dout_mmc2.clk, .enable = exynos5_clksrc_mask_fsys_ctrl, .ctrlbit = (1 << 8), @@ -846,7 +846,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc2 = { static struct clksrc_clk exynos5_clk_sclk_mmc3 = { .clk = { .name = "sclk_mmc", - .devname = "s3c-sdhci.3", + .devname = "exynos4-sdhci.3", .parent = &exynos5_clk_dout_mmc3.clk, .enable = exynos5_clksrc_mask_fsys_ctrl, .ctrlbit = (1 << 12), @@ -990,10 +990,10 @@ static struct clk_lookup exynos5_clk_lookup[] = { CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos5_clk_sclk_uart1.clk), CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos5_clk_sclk_uart2.clk), CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos5_clk_sclk_uart3.clk), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk), - CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk), + CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk), + CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk), + CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk), + CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk), CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos5_clk_pdma0), CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos5_clk_pdma1), CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos5_clk_mdma1), diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 8614aab47cc0..5ccd6e80a607 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -326,6 +326,11 @@ static void __init exynos4_map_io(void) s3c_fimc_setname(2, "exynos4-fimc"); s3c_fimc_setname(3, "exynos4-fimc"); + s3c_sdhci_setname(0, "exynos4-sdhci"); + s3c_sdhci_setname(1, "exynos4-sdhci"); + s3c_sdhci_setname(2, "exynos4-sdhci"); + s3c_sdhci_setname(3, "exynos4-sdhci"); + /* The I2C bus controllers are directly compatible with s3c2440 */ s3c_i2c0_setname("s3c2440-i2c"); s3c_i2c1_setname("s3c2440-i2c"); @@ -344,6 +349,11 @@ static void __init exynos5_map_io(void) s3c_device_i2c0.resource[1].start = EXYNOS5_IRQ_IIC; s3c_device_i2c0.resource[1].end = EXYNOS5_IRQ_IIC; + s3c_sdhci_setname(0, "exynos4-sdhci"); + s3c_sdhci_setname(1, "exynos4-sdhci"); + s3c_sdhci_setname(2, "exynos4-sdhci"); + s3c_sdhci_setname(3, "exynos4-sdhci"); + /* The I2C bus controllers are directly compatible with s3c2440 */ s3c_i2c0_setname("s3c2440-i2c"); s3c_i2c1_setname("s3c2440-i2c"); @@ -537,7 +547,9 @@ void __init exynos5_init_irq(void) { int irq; - gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU); +#ifdef CONFIG_OF + of_irq_init(exynos4_dt_irq_match); +#endif for (irq = 0; irq < EXYNOS5_MAX_COMBINER_NR; irq++) { combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq), diff --git a/arch/arm/mach-exynos/dev-dwmci.c b/arch/arm/mach-exynos/dev-dwmci.c index b025db4bf602..79035018fb74 100644 --- a/arch/arm/mach-exynos/dev-dwmci.c +++ b/arch/arm/mach-exynos/dev-dwmci.c @@ -16,6 +16,7 @@ #include <linux/dma-mapping.h> #include <linux/platform_device.h> #include <linux/interrupt.h> +#include <linux/ioport.h> #include <linux/mmc/dw_mmc.h> #include <plat/devs.h> @@ -33,16 +34,8 @@ static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void *data) } static struct resource exynos4_dwmci_resource[] = { - [0] = { - .start = EXYNOS4_PA_DWMCI, - .end = EXYNOS4_PA_DWMCI + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_DWMCI, - .end = IRQ_DWMCI, - .flags = IORESOURCE_IRQ, - } + [0] = DEFINE_RES_MEM(EXYNOS4_PA_DWMCI, SZ_4K), + [1] = DEFINE_RES_IRQ(EXYNOS4_IRQ_DWMCI), }; static struct dw_mci_board exynos4_dwci_pdata = { diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c index b4f1f902ce6d..ed90aef404c3 100644 --- a/arch/arm/mach-exynos/mach-nuri.c +++ b/arch/arm/mach-exynos/mach-nuri.c @@ -112,6 +112,7 @@ static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = { .host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | MMC_CAP_ERASE), + .host_caps2 = MMC_CAP2_BROKEN_VOLTAGE, .cd_type = S3C_SDHCI_CD_PERMANENT, .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, }; diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c index 7ebf79c2ab34..cb2b027f09a6 100644 --- a/arch/arm/mach-exynos/mach-universal_c210.c +++ b/arch/arm/mach-exynos/mach-universal_c210.c @@ -747,6 +747,7 @@ static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = { .max_width = 8, .host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED), + .host_caps2 = MMC_CAP2_BROKEN_VOLTAGE, .cd_type = S3C_SDHCI_CD_PERMANENT, .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, }; diff --git a/arch/arm/mach-footbridge/cats-pci.c b/arch/arm/mach-footbridge/cats-pci.c index 32321f66dec4..5cec2567c9c5 100644 --- a/arch/arm/mach-footbridge/cats-pci.c +++ b/arch/arm/mach-footbridge/cats-pci.c @@ -16,6 +16,11 @@ /* cats host-specific stuff */ static int irqmap_cats[] __initdata = { IRQ_PCI, IRQ_IN0, IRQ_IN1, IRQ_IN3 }; +static u8 cats_no_swizzle(struct pci_dev *dev, u8 *pin) +{ + return 0; +} + static int __init cats_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { if (dev->irq >= 255) @@ -39,11 +44,11 @@ static int __init cats_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) * cards being used (ie, pci-pci bridge based cards)? */ static struct hw_pci cats_pci __initdata = { - .swizzle = NULL, + .swizzle = cats_no_swizzle, .map_irq = cats_map_irq, .nr_controllers = 1, + .ops = &dc21285_ops, .setup = dc21285_setup, - .scan = dc21285_scan_bus, .preinit = dc21285_preinit, .postinit = dc21285_postinit, }; diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c index e17e11de4f5e..9d62e3381024 100644 --- a/arch/arm/mach-footbridge/dc21285.c +++ b/arch/arm/mach-footbridge/dc21285.c @@ -129,7 +129,7 @@ dc21285_write_config(struct pci_bus *bus, unsigned int devfn, int where, return PCIBIOS_SUCCESSFUL; } -static struct pci_ops dc21285_ops = { +struct pci_ops dc21285_ops = { .read = dc21285_read_config, .write = dc21285_write_config, }; @@ -284,11 +284,6 @@ int __init dc21285_setup(int nr, struct pci_sys_data *sys) return 1; } -struct pci_bus * __init dc21285_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, 0, &dc21285_ops, sys, &sys->resources); -} - #define dc21285_request_irq(_a, _b, _c, _d, _e) \ WARN_ON(request_irq(_a, _b, _c, _d, _e) < 0) diff --git a/arch/arm/mach-footbridge/ebsa285-pci.c b/arch/arm/mach-footbridge/ebsa285-pci.c index 511c673ffa9d..fd12d8a36dc5 100644 --- a/arch/arm/mach-footbridge/ebsa285-pci.c +++ b/arch/arm/mach-footbridge/ebsa285-pci.c @@ -29,11 +29,10 @@ static int __init ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci ebsa285_pci __initdata = { - .swizzle = pci_std_swizzle, .map_irq = ebsa285_map_irq, .nr_controllers = 1, + .ops = &dc21285_ops, .setup = dc21285_setup, - .scan = dc21285_scan_bus, .preinit = dc21285_preinit, .postinit = dc21285_postinit, }; diff --git a/arch/arm/mach-footbridge/netwinder-pci.c b/arch/arm/mach-footbridge/netwinder-pci.c index 62187610e17e..0fba5134e4fe 100644 --- a/arch/arm/mach-footbridge/netwinder-pci.c +++ b/arch/arm/mach-footbridge/netwinder-pci.c @@ -43,11 +43,10 @@ static int __init netwinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci netwinder_pci __initdata = { - .swizzle = pci_std_swizzle, .map_irq = netwinder_map_irq, .nr_controllers = 1, + .ops = &dc21285_ops, .setup = dc21285_setup, - .scan = dc21285_scan_bus, .preinit = dc21285_preinit, .postinit = dc21285_postinit, }; diff --git a/arch/arm/mach-footbridge/personal-pci.c b/arch/arm/mach-footbridge/personal-pci.c index aeb651d914a6..5c9ee54613b2 100644 --- a/arch/arm/mach-footbridge/personal-pci.c +++ b/arch/arm/mach-footbridge/personal-pci.c @@ -41,8 +41,8 @@ static int __init personal_server_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci personal_server_pci __initdata = { .map_irq = personal_server_map_irq, .nr_controllers = 1, + .ops = &dc21285_ops, .setup = dc21285_setup, - .scan = dc21285_scan_bus, .preinit = dc21285_preinit, .postinit = dc21285_postinit, }; diff --git a/arch/arm/mach-imx/imx27-dt.c b/arch/arm/mach-imx/imx27-dt.c index 861ceb8232d6..ed38d03c61f2 100644 --- a/arch/arm/mach-imx/imx27-dt.c +++ b/arch/arm/mach-imx/imx27-dt.c @@ -35,7 +35,7 @@ static const struct of_dev_auxdata imx27_auxdata_lookup[] __initconst = { static int __init imx27_avic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - irq_domain_add_simple(np, 0); + irq_domain_add_legacy(np, 64, 0, 0, &irq_domain_simple_ops, NULL); return 0; } @@ -44,7 +44,9 @@ static int __init imx27_gpio_add_irq_domain(struct device_node *np, { static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; - irq_domain_add_simple(np, gpio_irq_base); + gpio_irq_base -= 32; + irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops, + NULL); return 0; } diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c index 05250aed61fb..e10f3914fcfe 100644 --- a/arch/arm/mach-imx/mm-imx5.c +++ b/arch/arm/mach-imx/mm-imx5.c @@ -35,7 +35,7 @@ static void imx5_idle(void) } clk_enable(gpc_dvfs_clk); mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); - if (tzic_enable_wake() != 0) + if (!tzic_enable_wake()) cpu_do_idle(); clk_disable(gpc_dvfs_clk); } diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c index 3e538da6cb1f..e428f3ab15c7 100644 --- a/arch/arm/mach-integrator/impd1.c +++ b/arch/arm/mach-integrator/impd1.c @@ -398,24 +398,16 @@ static int impd1_probe(struct lm_device *dev) struct impd1_device *idev = impd1_devs + i; struct amba_device *d; unsigned long pc_base; + char devname[32]; pc_base = dev->resource.start + idev->offset; - - d = amba_device_alloc(NULL, pc_base, SZ_4K); - if (!d) + snprintf(devname, 32, "lm%x:%5.5lx", dev->id, idev->offset >> 12); + d = amba_ahb_device_add(&dev->dev, devname, pc_base, SZ_4K, + dev->irq, dev->irq, + idev->platform_data, idev->id); + if (IS_ERR(d)) { + dev_err(&dev->dev, "unable to register device: %ld\n", PTR_ERR(d)); continue; - - dev_set_name(&d->dev, "lm%x:%5.5lx", dev->id, idev->offset >> 12); - d->dev.parent = &dev->dev; - d->irq[0] = dev->irq; - d->irq[1] = dev->irq; - d->periphid = idev->id; - d->dev.platform_data = idev->platform_data; - - ret = amba_device_add(d, &dev->resource); - if (ret) { - dev_err(&d->dev, "unable to register device: %d\n", ret); - amba_device_put(d); } } diff --git a/arch/arm/mach-integrator/include/mach/entry-macro.S b/arch/arm/mach-integrator/include/mach/entry-macro.S deleted file mode 100644 index 5cc7b85ad9df..000000000000 --- a/arch/arm/mach-integrator/include/mach/entry-macro.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * arch/arm/mach-integrator/include/mach/entry-macro.S - * - * Low-level IRQ helper macros for Integrator platforms - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#include <mach/hardware.h> -#include <mach/platform.h> -#include <mach/irqs.h> - - .macro get_irqnr_preamble, base, tmp - .endm - - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp -/* FIXME: should not be using soo many LDRs here */ - ldr \base, =IO_ADDRESS(INTEGRATOR_IC_BASE) - mov \irqnr, #IRQ_PIC_START - ldr \irqstat, [\base, #IRQ_STATUS] @ get masked status - ldr \base, =IO_ADDRESS(INTEGRATOR_HDR_BASE) - teq \irqstat, #0 - ldreq \irqstat, [\base, #(INTEGRATOR_HDR_IC_OFFSET+IRQ_STATUS)] - moveq \irqnr, #IRQ_CIC_START - -1001: tst \irqstat, #15 - bne 1002f - add \irqnr, \irqnr, #4 - movs \irqstat, \irqstat, lsr #4 - bne 1001b -1002: tst \irqstat, #1 - bne 1003f - add \irqnr, \irqnr, #1 - movs \irqstat, \irqstat, lsr #1 - bne 1002b -1003: /* EQ will be set if no irqs pending */ - .endm - diff --git a/arch/arm/mach-integrator/include/mach/irqs.h b/arch/arm/mach-integrator/include/mach/irqs.h index a19a1a2fcf6b..7371018455d2 100644 --- a/arch/arm/mach-integrator/include/mach/irqs.h +++ b/arch/arm/mach-integrator/include/mach/irqs.h @@ -22,37 +22,37 @@ /* * Interrupt numbers */ -#define IRQ_PIC_START 0 -#define IRQ_SOFTINT 0 -#define IRQ_UARTINT0 1 -#define IRQ_UARTINT1 2 -#define IRQ_KMIINT0 3 -#define IRQ_KMIINT1 4 -#define IRQ_TIMERINT0 5 -#define IRQ_TIMERINT1 6 -#define IRQ_TIMERINT2 7 -#define IRQ_RTCINT 8 -#define IRQ_AP_EXPINT0 9 -#define IRQ_AP_EXPINT1 10 -#define IRQ_AP_EXPINT2 11 -#define IRQ_AP_EXPINT3 12 -#define IRQ_AP_PCIINT0 13 -#define IRQ_AP_PCIINT1 14 -#define IRQ_AP_PCIINT2 15 -#define IRQ_AP_PCIINT3 16 -#define IRQ_AP_V3INT 17 -#define IRQ_AP_CPINT0 18 -#define IRQ_AP_CPINT1 19 -#define IRQ_AP_LBUSTIMEOUT 20 -#define IRQ_AP_APCINT 21 -#define IRQ_CP_CLCDCINT 22 -#define IRQ_CP_MMCIINT0 23 -#define IRQ_CP_MMCIINT1 24 -#define IRQ_CP_AACIINT 25 -#define IRQ_CP_CPPLDINT 26 -#define IRQ_CP_ETHINT 27 -#define IRQ_CP_TSPENINT 28 -#define IRQ_PIC_END 31 +#define IRQ_PIC_START 1 +#define IRQ_SOFTINT 1 +#define IRQ_UARTINT0 2 +#define IRQ_UARTINT1 3 +#define IRQ_KMIINT0 4 +#define IRQ_KMIINT1 5 +#define IRQ_TIMERINT0 6 +#define IRQ_TIMERINT1 7 +#define IRQ_TIMERINT2 8 +#define IRQ_RTCINT 9 +#define IRQ_AP_EXPINT0 10 +#define IRQ_AP_EXPINT1 11 +#define IRQ_AP_EXPINT2 12 +#define IRQ_AP_EXPINT3 13 +#define IRQ_AP_PCIINT0 14 +#define IRQ_AP_PCIINT1 15 +#define IRQ_AP_PCIINT2 16 +#define IRQ_AP_PCIINT3 17 +#define IRQ_AP_V3INT 18 +#define IRQ_AP_CPINT0 19 +#define IRQ_AP_CPINT1 20 +#define IRQ_AP_LBUSTIMEOUT 21 +#define IRQ_AP_APCINT 22 +#define IRQ_CP_CLCDCINT 23 +#define IRQ_CP_MMCIINT0 24 +#define IRQ_CP_MMCIINT1 25 +#define IRQ_CP_AACIINT 26 +#define IRQ_CP_CPPLDINT 27 +#define IRQ_CP_ETHINT 28 +#define IRQ_CP_TSPENINT 29 +#define IRQ_PIC_END 29 #define IRQ_CIC_START 32 #define IRQ_CM_SOFTINT 32 @@ -80,4 +80,3 @@ #define NR_IRQS_INTEGRATOR_AP 34 #define NR_IRQS_INTEGRATOR_CP 47 - diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 871f148ffd72..c857501c5783 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -162,12 +162,6 @@ static void __init ap_map_io(void) #define INTEGRATOR_SC_VALID_INT 0x003fffff -static struct fpga_irq_data sc_irq_data = { - .base = VA_IC_BASE, - .irq_start = 0, - .chip.name = "SC", -}; - static void __init ap_init_irq(void) { /* Disable all interrupts initially. */ @@ -178,7 +172,8 @@ static void __init ap_init_irq(void) writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); - fpga_irq_init(-1, INTEGRATOR_SC_VALID_INT, &sc_irq_data); + fpga_irq_init(VA_IC_BASE, "SC", IRQ_PIC_START, + -1, INTEGRATOR_SC_VALID_INT, NULL); } #ifdef CONFIG_PM @@ -478,6 +473,7 @@ MACHINE_START(INTEGRATOR, "ARM-Integrator") .nr_irqs = NR_IRQS_INTEGRATOR_AP, .init_early = integrator_init_early, .init_irq = ap_init_irq, + .handle_irq = fpga_handle_irq, .timer = &ap_timer, .init_machine = ap_init, .restart = integrator_restart, diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 48a115a91d9d..a56c53608939 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -143,30 +143,14 @@ static void __init intcp_map_io(void) iotable_init(intcp_io_desc, ARRAY_SIZE(intcp_io_desc)); } -static struct fpga_irq_data cic_irq_data = { - .base = INTCP_VA_CIC_BASE, - .irq_start = IRQ_CIC_START, - .chip.name = "CIC", -}; - -static struct fpga_irq_data pic_irq_data = { - .base = INTCP_VA_PIC_BASE, - .irq_start = IRQ_PIC_START, - .chip.name = "PIC", -}; - -static struct fpga_irq_data sic_irq_data = { - .base = INTCP_VA_SIC_BASE, - .irq_start = IRQ_SIC_START, - .chip.name = "SIC", -}; - static void __init intcp_init_irq(void) { - u32 pic_mask, sic_mask; + u32 pic_mask, cic_mask, sic_mask; + /* These masks are for the HW IRQ registers */ pic_mask = ~((~0u) << (11 - IRQ_PIC_START)); pic_mask |= (~((~0u) << (29 - 22))) << 22; + cic_mask = ~((~0u) << (1 + IRQ_CIC_END - IRQ_CIC_START)); sic_mask = ~((~0u) << (1 + IRQ_SIC_END - IRQ_SIC_START)); /* @@ -179,12 +163,14 @@ static void __init intcp_init_irq(void) writel(sic_mask, INTCP_VA_SIC_BASE + IRQ_ENABLE_CLEAR); writel(sic_mask, INTCP_VA_SIC_BASE + FIQ_ENABLE_CLEAR); - fpga_irq_init(-1, pic_mask, &pic_irq_data); + fpga_irq_init(INTCP_VA_PIC_BASE, "PIC", IRQ_PIC_START, + -1, pic_mask, NULL); - fpga_irq_init(-1, ~((~0u) << (1 + IRQ_CIC_END - IRQ_CIC_START)), - &cic_irq_data); + fpga_irq_init(INTCP_VA_CIC_BASE, "CIC", IRQ_CIC_START, + -1, cic_mask, NULL); - fpga_irq_init(IRQ_CP_CPPLDINT, sic_mask, &sic_irq_data); + fpga_irq_init(INTCP_VA_SIC_BASE, "SIC", IRQ_SIC_START, + IRQ_CP_CPPLDINT, sic_mask, NULL); } /* @@ -467,6 +453,7 @@ MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") .nr_irqs = NR_IRQS_INTEGRATOR_CP, .init_early = intcp_init_early, .init_irq = intcp_init_irq, + .handle_irq = fpga_handle_irq, .timer = &cp_timer, .init_machine = intcp_init, .restart = integrator_restart, diff --git a/arch/arm/mach-integrator/pci.c b/arch/arm/mach-integrator/pci.c index f1ca9c122861..6c1667e728f5 100644 --- a/arch/arm/mach-integrator/pci.c +++ b/arch/arm/mach-integrator/pci.c @@ -70,21 +70,10 @@ */ static u8 __init integrator_swizzle(struct pci_dev *dev, u8 *pinp) { - int pin = *pinp; + if (*pinp == 0) + *pinp = 1; - if (pin == 0) - pin = 1; - - while (dev->bus->self) { - pin = pci_swizzle_interrupt_pin(dev, pin); - /* - * move up the chain of bridges, swizzling as we go. - */ - dev = dev->bus->self; - } - *pinp = pin; - - return PCI_SLOT(dev->devfn); + return pci_common_swizzle(dev, pinp); } static int irq_tab[4] __initdata = { @@ -109,7 +98,7 @@ static struct hw_pci integrator_pci __initdata = { .map_irq = integrator_map_irq, .setup = pci_v3_setup, .nr_controllers = 1, - .scan = pci_v3_scan_bus, + .ops = &pci_v3_ops, .preinit = pci_v3_preinit, .postinit = pci_v3_postinit, }; diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index 67e6f9a9d1a0..b866880e82ac 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -340,7 +340,7 @@ static int v3_write_config(struct pci_bus *bus, unsigned int devfn, int where, return PCIBIOS_SUCCESSFUL; } -static struct pci_ops pci_v3_ops = { +struct pci_ops pci_v3_ops = { .read = v3_read_config, .write = v3_write_config, }; @@ -488,12 +488,6 @@ int __init pci_v3_setup(int nr, struct pci_sys_data *sys) return ret; } -struct pci_bus * __init pci_v3_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, sys->busnr, &pci_v3_ops, sys, - &sys->resources); -} - /* * V3_LB_BASE? - local bus address * V3_LB_MAP? - pci bus address diff --git a/arch/arm/mach-iop13xx/iq81340mc.c b/arch/arm/mach-iop13xx/iq81340mc.c index 5c96b73e6964..e3f3e7daa79e 100644 --- a/arch/arm/mach-iop13xx/iq81340mc.c +++ b/arch/arm/mach-iop13xx/iq81340mc.c @@ -54,7 +54,6 @@ iq81340mc_pcix_map_irq(const struct pci_dev *dev, u8 idsel, u8 pin) } static struct hw_pci iq81340mc_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 0, .setup = iop13xx_pci_setup, .map_irq = iq81340mc_pcix_map_irq, diff --git a/arch/arm/mach-iop13xx/iq81340sc.c b/arch/arm/mach-iop13xx/iq81340sc.c index aa4dd750135a..060cddde2fd4 100644 --- a/arch/arm/mach-iop13xx/iq81340sc.c +++ b/arch/arm/mach-iop13xx/iq81340sc.c @@ -56,7 +56,6 @@ iq81340sc_atux_map_irq(struct pci_dev *dev, u8 idsel, u8 pin) } static struct hw_pci iq81340sc_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 0, .setup = iop13xx_pci_setup, .scan = iop13xx_scan_bus, diff --git a/arch/arm/mach-iop32x/em7210.c b/arch/arm/mach-iop32x/em7210.c index 24069e03fdc1..9f369f09c29d 100644 --- a/arch/arm/mach-iop32x/em7210.c +++ b/arch/arm/mach-iop32x/em7210.c @@ -103,11 +103,10 @@ em7210_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci em7210_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = em7210_pci_map_irq, }; diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c index 204e1d1cd766..c15a100ba779 100644 --- a/arch/arm/mach-iop32x/glantank.c +++ b/arch/arm/mach-iop32x/glantank.c @@ -96,11 +96,10 @@ glantank_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci glantank_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = glantank_pci_map_irq, }; diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c index 3eb642af1cdc..ddd1c7ecfe57 100644 --- a/arch/arm/mach-iop32x/iq31244.c +++ b/arch/arm/mach-iop32x/iq31244.c @@ -130,11 +130,10 @@ ep80219_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci ep80219_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = ep80219_pci_map_irq, }; @@ -166,11 +165,10 @@ iq31244_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci iq31244_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = iq31244_pci_map_irq, }; diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c index 2ec724b58a2c..bf155e6a3b45 100644 --- a/arch/arm/mach-iop32x/iq80321.c +++ b/arch/arm/mach-iop32x/iq80321.c @@ -101,11 +101,10 @@ iq80321_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci iq80321_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit_cond, - .scan = iop3xx_pci_scan_bus, .map_irq = iq80321_pci_map_irq, }; diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c index 6b6d55912444..5a7ae91e8849 100644 --- a/arch/arm/mach-iop32x/n2100.c +++ b/arch/arm/mach-iop32x/n2100.c @@ -114,11 +114,10 @@ n2100_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci n2100_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit, - .scan = iop3xx_pci_scan_bus, .map_irq = n2100_pci_map_irq, }; diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c index abce934f3816..e74a7debe793 100644 --- a/arch/arm/mach-iop33x/iq80331.c +++ b/arch/arm/mach-iop33x/iq80331.c @@ -84,11 +84,10 @@ iq80331_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci iq80331_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit_cond, - .scan = iop3xx_pci_scan_bus, .map_irq = iq80331_pci_map_irq, }; diff --git a/arch/arm/mach-iop33x/iq80332.c b/arch/arm/mach-iop33x/iq80332.c index 7513559e25bb..e2f5beece6e8 100644 --- a/arch/arm/mach-iop33x/iq80332.c +++ b/arch/arm/mach-iop33x/iq80332.c @@ -84,11 +84,10 @@ iq80332_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } static struct hw_pci iq80332_pci __initdata = { - .swizzle = pci_std_swizzle, .nr_controllers = 1, + .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit_cond, - .scan = iop3xx_pci_scan_bus, .map_irq = iq80332_pci_map_irq, }; diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c index 4867f408617c..73df2f688813 100644 --- a/arch/arm/mach-ixp2000/enp2611.c +++ b/arch/arm/mach-ixp2000/enp2611.c @@ -141,13 +141,6 @@ static struct pci_ops enp2611_pci_ops = { .write = enp2611_pci_write_config }; -static struct pci_bus * __init enp2611_pci_scan_bus(int nr, - struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, sys->busnr, &enp2611_pci_ops, sys, - &sys->resources); -} - static int __init enp2611_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { @@ -180,9 +173,9 @@ static int __init enp2611_pci_map_irq(const struct pci_dev *dev, u8 slot, struct hw_pci enp2611_pci __initdata = { .nr_controllers = 1, + .ops = &enp2611_pci_ops, .setup = enp2611_pci_setup, .preinit = enp2611_pci_preinit, - .scan = enp2611_pci_scan_bus, .map_irq = enp2611_pci_map_irq, }; diff --git a/arch/arm/mach-ixp2000/include/mach/platform.h b/arch/arm/mach-ixp2000/include/mach/platform.h index bb0f8dcf9ee1..6b500c0858be 100644 --- a/arch/arm/mach-ixp2000/include/mach/platform.h +++ b/arch/arm/mach-ixp2000/include/mach/platform.h @@ -127,10 +127,10 @@ unsigned long ixp2000_gettimeoffset(void); struct pci_sys_data; +extern struct pci_ops ixp2000_pci_ops; u32 *ixp2000_pci_config_addr(unsigned int bus, unsigned int devfn, int where); void ixp2000_pci_preinit(void); int ixp2000_pci_setup(int, struct pci_sys_data*); -struct pci_bus* ixp2000_pci_scan_bus(int, struct pci_sys_data*); int ixp2000_pci_read_config(struct pci_bus*, unsigned int, int, int, u32 *); int ixp2000_pci_write_config(struct pci_bus*, unsigned int, int, int, u32); diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c index 915ad49e3b8f..4ec44801d303 100644 --- a/arch/arm/mach-ixp2000/ixdp2400.c +++ b/arch/arm/mach-ixp2000/ixdp2400.c @@ -146,10 +146,10 @@ static void ixdp2400_pci_postinit(void) static struct hw_pci ixdp2400_pci __initdata = { .nr_controllers = 1, + .ops = &ixp2000_pci_ops, .setup = ixdp2400_pci_setup, .preinit = ixdp2400_pci_preinit, .postinit = ixdp2400_pci_postinit, - .scan = ixp2000_pci_scan_bus, .map_irq = ixdp2400_pci_map_irq, }; diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c index a9f1819ea049..44378c31d177 100644 --- a/arch/arm/mach-ixp2000/ixdp2800.c +++ b/arch/arm/mach-ixp2000/ixdp2800.c @@ -246,10 +246,10 @@ static void __init ixdp2800_pci_postinit(void) struct __initdata hw_pci ixdp2800_pci __initdata = { .nr_controllers = 1, + .ops = &ixp2000_pci_ops, .setup = ixdp2800_pci_setup, .preinit = ixdp2800_pci_preinit, .postinit = ixdp2800_pci_postinit, - .scan = ixp2000_pci_scan_bus, .map_irq = ixdp2800_pci_map_irq, }; diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c index 5196c39cdba4..af8b801d7d59 100644 --- a/arch/arm/mach-ixp2000/ixdp2x01.c +++ b/arch/arm/mach-ixp2000/ixdp2x01.c @@ -327,9 +327,9 @@ static int ixdp2x01_pci_setup(int nr, struct pci_sys_data *sys) struct hw_pci ixdp2x01_pci __initdata = { .nr_controllers = 1, + .ops = &ixp2000_pci_ops, .setup = ixdp2x01_pci_setup, .preinit = ixdp2x01_pci_preinit, - .scan = ixp2000_pci_scan_bus, .map_irq = ixdp2x01_pci_map_irq, }; diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c index 9c02de932fac..d706838db023 100644 --- a/arch/arm/mach-ixp2000/pci.c +++ b/arch/arm/mach-ixp2000/pci.c @@ -124,17 +124,11 @@ int ixp2000_pci_write_config(struct pci_bus *bus, unsigned int devfn, int where, } -static struct pci_ops ixp2000_pci_ops = { +struct pci_ops ixp2000_pci_ops = { .read = ixp2000_pci_read_config, .write = ixp2000_pci_write_config }; -struct pci_bus *ixp2000_pci_scan_bus(int nr, struct pci_sys_data *sysdata) -{ - return pci_scan_root_bus(NULL, sysdata->busnr, &ixp2000_pci_ops, - sysdata, &sysdata->resources); -} - int ixp2000_pci_abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs) { diff --git a/arch/arm/mach-ixp23xx/include/mach/platform.h b/arch/arm/mach-ixp23xx/include/mach/platform.h index 50de558e722e..798d8b42ab4a 100644 --- a/arch/arm/mach-ixp23xx/include/mach/platform.h +++ b/arch/arm/mach-ixp23xx/include/mach/platform.h @@ -37,7 +37,7 @@ void ixp23xx_sys_init(void); void ixp23xx_restart(char, const char *); int ixp23xx_pci_setup(int, struct pci_sys_data *); void ixp23xx_pci_preinit(void); -struct pci_bus *ixp23xx_pci_scan_bus(int, struct pci_sys_data*); +extern struct pci_ops ixp23xx_pci_ops; void ixp23xx_pci_slave_init(void); extern struct sys_timer ixp23xx_timer; diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c index b0e07db5ceaf..8b48e32a8a62 100644 --- a/arch/arm/mach-ixp23xx/ixdp2351.c +++ b/arch/arm/mach-ixp23xx/ixdp2351.c @@ -251,9 +251,9 @@ static int __init ixdp2351_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci ixdp2351_pci __initdata = { .nr_controllers = 1, + .ops = &ixp23xx_pci_ops, .preinit = ixp23xx_pci_preinit, .setup = ixp23xx_pci_setup, - .scan = ixp23xx_pci_scan_bus, .map_irq = ixdp2351_map_irq, }; diff --git a/arch/arm/mach-ixp23xx/pci.c b/arch/arm/mach-ixp23xx/pci.c index 911f5a58e006..9211506ef556 100644 --- a/arch/arm/mach-ixp23xx/pci.c +++ b/arch/arm/mach-ixp23xx/pci.c @@ -140,12 +140,6 @@ struct pci_ops ixp23xx_pci_ops = { .write = ixp23xx_pci_write_config, }; -struct pci_bus *ixp23xx_pci_scan_bus(int nr, struct pci_sys_data *sysdata) -{ - return pci_scan_root_bus(NULL, sysdata->busnr, &ixp23xx_pci_ops, - sysdata, &sysdata->resources); -} - int ixp23xx_pci_abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs) { volatile unsigned long temp; diff --git a/arch/arm/mach-ixp23xx/roadrunner.c b/arch/arm/mach-ixp23xx/roadrunner.c index eaaa3fa9fd05..8c0e5de3c609 100644 --- a/arch/arm/mach-ixp23xx/roadrunner.c +++ b/arch/arm/mach-ixp23xx/roadrunner.c @@ -118,9 +118,9 @@ static void __init roadrunner_pci_preinit(void) static struct hw_pci roadrunner_pci __initdata = { .nr_controllers = 1, + .ops = &ixp23xx_pci_ops, .preinit = roadrunner_pci_preinit, .setup = ixp23xx_pci_setup, - .scan = ixp23xx_pci_scan_bus, .map_irq = roadrunner_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/avila-pci.c b/arch/arm/mach-ixp4xx/avila-pci.c index 8fea0a3c5246..548c7d43ade6 100644 --- a/arch/arm/mach-ixp4xx/avila-pci.c +++ b/arch/arm/mach-ixp4xx/avila-pci.c @@ -65,10 +65,9 @@ static int __init avila_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci avila_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = avila_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = avila_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c index d5719eb42591..1694f01ce2b6 100644 --- a/arch/arm/mach-ixp4xx/common-pci.c +++ b/arch/arm/mach-ixp4xx/common-pci.c @@ -480,12 +480,6 @@ int ixp4xx_setup(int nr, struct pci_sys_data *sys) return 1; } -struct pci_bus * __devinit ixp4xx_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, sys->busnr, &ixp4xx_ops, sys, - &sys->resources); -} - int dma_set_coherent_mask(struct device *dev, u64 mask) { if (mask >= SZ_64M - 1) diff --git a/arch/arm/mach-ixp4xx/coyote-pci.c b/arch/arm/mach-ixp4xx/coyote-pci.c index 71f5c9c60fc3..5d14ce2aee6d 100644 --- a/arch/arm/mach-ixp4xx/coyote-pci.c +++ b/arch/arm/mach-ixp4xx/coyote-pci.c @@ -48,10 +48,9 @@ static int __init coyote_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci coyote_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = coyote_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = coyote_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/dsmg600-pci.c b/arch/arm/mach-ixp4xx/dsmg600-pci.c index 0532510b5e8c..8dca76937723 100644 --- a/arch/arm/mach-ixp4xx/dsmg600-pci.c +++ b/arch/arm/mach-ixp4xx/dsmg600-pci.c @@ -62,10 +62,9 @@ static int __init dsmg600_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci __initdata dsmg600_pci = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = dsmg600_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = dsmg600_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/fsg-pci.c b/arch/arm/mach-ixp4xx/fsg-pci.c index d2ac803328f7..fd4a8625b4ae 100644 --- a/arch/arm/mach-ixp4xx/fsg-pci.c +++ b/arch/arm/mach-ixp4xx/fsg-pci.c @@ -59,10 +59,9 @@ static int __init fsg_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci fsg_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = fsg_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = fsg_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/gateway7001-pci.c b/arch/arm/mach-ixp4xx/gateway7001-pci.c index 76581fb467c4..d9d6cc089707 100644 --- a/arch/arm/mach-ixp4xx/gateway7001-pci.c +++ b/arch/arm/mach-ixp4xx/gateway7001-pci.c @@ -47,10 +47,9 @@ static int __init gateway7001_map_irq(const struct pci_dev *dev, u8 slot, struct hw_pci gateway7001_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = gateway7001_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = gateway7001_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/goramo_mlr.c b/arch/arm/mach-ixp4xx/goramo_mlr.c index 46bb924962ee..b800a031207c 100644 --- a/arch/arm/mach-ixp4xx/goramo_mlr.c +++ b/arch/arm/mach-ixp4xx/goramo_mlr.c @@ -473,11 +473,10 @@ static int __init gmlr_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static struct hw_pci gmlr_hw_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = gmlr_pci_preinit, .postinit = gmlr_pci_postinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = gmlr_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/gtwx5715-pci.c b/arch/arm/mach-ixp4xx/gtwx5715-pci.c index d68fc068c38d..551d114c9e14 100644 --- a/arch/arm/mach-ixp4xx/gtwx5715-pci.c +++ b/arch/arm/mach-ixp4xx/gtwx5715-pci.c @@ -67,10 +67,9 @@ static int __init gtwx5715_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci gtwx5715_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = gtwx5715_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = gtwx5715_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/include/mach/platform.h b/arch/arm/mach-ixp4xx/include/mach/platform.h index b66bedc64de1..5bce94aacca9 100644 --- a/arch/arm/mach-ixp4xx/include/mach/platform.h +++ b/arch/arm/mach-ixp4xx/include/mach/platform.h @@ -130,7 +130,7 @@ extern void ixp4xx_restart(char, const char *); extern void ixp4xx_pci_preinit(void); struct pci_sys_data; extern int ixp4xx_setup(int nr, struct pci_sys_data *sys); -extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys); +extern struct pci_ops ixp4xx_ops; /* * GPIO-functions diff --git a/arch/arm/mach-ixp4xx/ixdp425-pci.c b/arch/arm/mach-ixp4xx/ixdp425-pci.c index fffd8c5e40bf..318424dd3c50 100644 --- a/arch/arm/mach-ixp4xx/ixdp425-pci.c +++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c @@ -60,10 +60,9 @@ static int __init ixdp425_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci ixdp425_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = ixdp425_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = ixdp425_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/ixdpg425-pci.c b/arch/arm/mach-ixp4xx/ixdpg425-pci.c index 34efe75015ec..1f8717ba13dc 100644 --- a/arch/arm/mach-ixp4xx/ixdpg425-pci.c +++ b/arch/arm/mach-ixp4xx/ixdpg425-pci.c @@ -42,10 +42,9 @@ static int __init ixdpg425_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci ixdpg425_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = ixdpg425_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = ixdpg425_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/miccpt-pci.c b/arch/arm/mach-ixp4xx/miccpt-pci.c index ca0bae7fca90..d114ccd2017c 100644 --- a/arch/arm/mach-ixp4xx/miccpt-pci.c +++ b/arch/arm/mach-ixp4xx/miccpt-pci.c @@ -61,10 +61,9 @@ static int __init miccpt_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci miccpt_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = miccpt_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = miccpt_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/nas100d-pci.c b/arch/arm/mach-ixp4xx/nas100d-pci.c index 5434ccf553eb..8f0eba0a6800 100644 --- a/arch/arm/mach-ixp4xx/nas100d-pci.c +++ b/arch/arm/mach-ixp4xx/nas100d-pci.c @@ -58,10 +58,9 @@ static int __init nas100d_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci __initdata nas100d_pci = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = nas100d_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = nas100d_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c index b57160535e47..032defe111aa 100644 --- a/arch/arm/mach-ixp4xx/nslu2-pci.c +++ b/arch/arm/mach-ixp4xx/nslu2-pci.c @@ -54,10 +54,9 @@ static int __init nslu2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci __initdata nslu2_pci = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = nslu2_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = nslu2_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/vulcan-pci.c b/arch/arm/mach-ixp4xx/vulcan-pci.c index 0bc3f34c282f..a4220fa5e0c3 100644 --- a/arch/arm/mach-ixp4xx/vulcan-pci.c +++ b/arch/arm/mach-ixp4xx/vulcan-pci.c @@ -56,10 +56,9 @@ static int __init vulcan_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci vulcan_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = vulcan_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = vulcan_map_irq, }; diff --git a/arch/arm/mach-ixp4xx/wg302v2-pci.c b/arch/arm/mach-ixp4xx/wg302v2-pci.c index f27dfcfe811b..c92e5b82af36 100644 --- a/arch/arm/mach-ixp4xx/wg302v2-pci.c +++ b/arch/arm/mach-ixp4xx/wg302v2-pci.c @@ -46,10 +46,9 @@ static int __init wg302v2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) struct hw_pci wg302v2_pci __initdata = { .nr_controllers = 1, + .ops = &ixp4xx_ops, .preinit = wg302v2_pci_preinit, - .swizzle = pci_std_swizzle, .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, .map_irq = wg302v2_map_irq, }; diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index f56a0118c1bb..de373176ee67 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -44,12 +44,6 @@ struct pcie_port { static int pcie_port_map[2]; static int num_pcie_ports; -static inline struct pcie_port *bus_to_port(struct pci_bus *bus) -{ - struct pci_sys_data *sys = bus->sysdata; - return sys->private_data; -} - static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) { /* @@ -79,7 +73,8 @@ static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 *val) { - struct pcie_port *pp = bus_to_port(bus); + struct pci_sys_data *sys = bus->sysdata; + struct pcie_port *pp = sys->private_data; unsigned long flags; int ret; @@ -98,7 +93,8 @@ static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, static int pcie_wr_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 val) { - struct pcie_port *pp = bus_to_port(bus); + struct pci_sys_data *sys = bus->sysdata; + struct pcie_port *pp = sys->private_data; unsigned long flags; int ret; @@ -248,13 +244,13 @@ kirkwood_pcie_scan_bus(int nr, struct pci_sys_data *sys) static int __init kirkwood_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - struct pcie_port *pp = bus_to_port(dev->bus); + struct pci_sys_data *sys = dev->sysdata; + struct pcie_port *pp = sys->private_data; return pp->irq; } static struct hw_pci kirkwood_pci __initdata = { - .swizzle = pci_std_swizzle, .setup = kirkwood_pcie_setup, .scan = kirkwood_pcie_scan_bus, .map_irq = kirkwood_pcie_map_irq, diff --git a/arch/arm/mach-ks8695/pci.c b/arch/arm/mach-ks8695/pci.c index acc701435817..bb18193b4bac 100644 --- a/arch/arm/mach-ks8695/pci.c +++ b/arch/arm/mach-ks8695/pci.c @@ -141,12 +141,6 @@ static struct pci_ops ks8695_pci_ops = { .write = ks8695_pci_writeconfig, }; -static struct pci_bus* __init ks8695_pci_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, sys->busnr, &ks8695_pci_ops, sys, - &sys->resources); -} - static struct resource pci_mem = { .name = "PCI Memory space", .start = KS8695_PCIMEM_PA, @@ -302,11 +296,10 @@ static void ks8695_show_pciregs(void) static struct hw_pci ks8695_pci __initdata = { .nr_controllers = 1, + .ops = &ks8695_pci_ops, .preinit = ks8695_pci_preinit, .setup = ks8695_pci_setup, - .scan = ks8695_pci_scan_bus, .postinit = NULL, - .swizzle = pci_std_swizzle, .map_irq = NULL, }; diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c index 962e71169750..fb3496a52ef4 100644 --- a/arch/arm/mach-msm/board-msm8x60.c +++ b/arch/arm/mach-msm/board-msm8x60.c @@ -17,6 +17,7 @@ #include <linux/irqdomain.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/memblock.h> @@ -49,10 +50,22 @@ static void __init msm8x60_map_io(void) msm_map_msm8x60_io(); } +#ifdef CONFIG_OF +static struct of_device_id msm_dt_gic_match[] __initdata = { + { .compatible = "qcom,msm-8660-qgic", .data = gic_of_init }, + {} +}; +#endif + static void __init msm8x60_init_irq(void) { - gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE, - (void *)MSM_QGIC_CPU_BASE); + if (!of_have_populated_dt()) + gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE, + (void *)MSM_QGIC_CPU_BASE); +#ifdef CONFIG_OF + else + of_irq_init(msm_dt_gic_match); +#endif /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */ writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4); @@ -73,16 +86,8 @@ static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = { {} }; -static struct of_device_id msm_dt_gic_match[] __initdata = { - { .compatible = "qcom,msm-8660-qgic", }, - {} -}; - static void __init msm8x60_dt_init(void) { - irq_domain_generate_simple(msm_dt_gic_match, MSM8X60_QGIC_DIST_PHYS, - GIC_SPI_START); - if (of_machine_is_compatible("qcom,msm8660-surf")) { printk(KERN_INFO "Init surf UART registers\n"); msm8x60_init_uart12dm(); diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c index df3e38055a24..2e56e86b6d68 100644 --- a/arch/arm/mach-mv78xx0/pcie.c +++ b/arch/arm/mach-mv78xx0/pcie.c @@ -147,6 +147,7 @@ static int __init mv78xx0_pcie_setup(int nr, struct pci_sys_data *sys) return 0; pp = &pcie_port[nr]; + sys->private_data = pp; pp->root_bus_nr = sys->busnr; /* @@ -161,19 +162,6 @@ static int __init mv78xx0_pcie_setup(int nr, struct pci_sys_data *sys) return 1; } -static struct pcie_port *bus_to_port(int bus) -{ - int i; - - for (i = num_pcie_ports - 1; i >= 0; i--) { - int rbus = pcie_port[i].root_bus_nr; - if (rbus != -1 && rbus <= bus) - break; - } - - return i >= 0 ? pcie_port + i : NULL; -} - static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) { /* @@ -189,7 +177,8 @@ static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 *val) { - struct pcie_port *pp = bus_to_port(bus->number); + struct pci_sys_data *sys = bus->sysdata; + struct pcie_port *pp = sys->private_data; unsigned long flags; int ret; @@ -208,7 +197,8 @@ static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, static int pcie_wr_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 val) { - struct pcie_port *pp = bus_to_port(bus->number); + struct pci_sys_data *sys = bus->sysdata; + struct pcie_port *pp = sys->private_data; unsigned long flags; int ret; @@ -263,7 +253,8 @@ mv78xx0_pcie_scan_bus(int nr, struct pci_sys_data *sys) static int __init mv78xx0_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - struct pcie_port *pp = bus_to_port(dev->bus->number); + struct pci_sys_data *sys = dev->bus->sysdata; + struct pcie_port *pp = sys->private_data; return IRQ_MV78XX0_PCIE_00 + (pp->maj << 2) + pp->min; } @@ -271,7 +262,6 @@ static int __init mv78xx0_pcie_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci mv78xx0_pci __initdata = { .nr_controllers = 8, .preinit = mv78xx0_pcie_preinit, - .swizzle = pci_std_swizzle, .setup = mv78xx0_pcie_setup, .scan = mv78xx0_pcie_scan_bus, .map_irq = mv78xx0_pcie_map_irq, diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h index 4d1329d59287..9acdd6387047 100644 --- a/arch/arm/mach-mxs/devices-mx23.h +++ b/arch/arm/mach-mxs/devices-mx23.h @@ -11,10 +11,16 @@ #include <mach/mx23.h> #include <mach/devices-common.h> #include <mach/mxsfb.h> +#include <linux/amba/bus.h> -extern const struct amba_device mx23_duart_device __initconst; -#define mx23_add_duart() \ - mxs_add_duart(&mx23_duart_device) +static inline int mx23_add_duart(void) +{ + struct amba_device *d; + + d = amba_ahb_device_add(NULL, "duart", MX23_DUART_BASE_ADDR, SZ_8K, + MX23_INT_DUART, 0, 0, 0); + return IS_ERR(d) ? PTR_ERR(d) : 0; +} extern const struct mxs_auart_data mx23_auart_data[] __initconst; #define mx23_add_auart(id) mxs_add_auart(&mx23_auart_data[id]) diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 9dbeae130842..84b2960df117 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -11,10 +11,16 @@ #include <mach/mx28.h> #include <mach/devices-common.h> #include <mach/mxsfb.h> +#include <linux/amba/bus.h> -extern const struct amba_device mx28_duart_device __initconst; -#define mx28_add_duart() \ - mxs_add_duart(&mx28_duart_device) +static inline int mx28_add_duart(void) +{ + struct amba_device *d; + + d = amba_ahb_device_add(NULL, "duart", MX28_DUART_BASE_ADDR, SZ_8K, + MX28_INT_DUART, 0, 0, 0); + return IS_ERR(d) ? PTR_ERR(d) : 0; +} extern const struct mxs_auart_data mx28_auart_data[] __initconst; #define mx28_add_auart(id) mxs_add_auart(&mx28_auart_data[id]) diff --git a/arch/arm/mach-mxs/devices.c b/arch/arm/mach-mxs/devices.c index 01faffec3064..cf50b5a66dda 100644 --- a/arch/arm/mach-mxs/devices.c +++ b/arch/arm/mach-mxs/devices.c @@ -75,22 +75,6 @@ err: return pdev; } -int __init mxs_add_amba_device(const struct amba_device *dev) -{ - struct amba_device *adev = amba_device_alloc(dev->dev.init_name, - dev->res.start, resource_size(&dev->res)); - - if (!adev) { - pr_err("%s: failed to allocate memory", __func__); - return -ENOMEM; - } - - adev->irq[0] = dev->irq[0]; - adev->irq[1] = dev->irq[1]; - - return amba_device_add(adev, &iomem_resource); -} - struct device mxs_apbh_bus = { .init_name = "mxs_apbh", .parent = &platform_bus, diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index c8f5c9541a30..5f72d9787444 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -1,4 +1,3 @@ -obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o obj-y += platform-dma.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o diff --git a/arch/arm/mach-mxs/devices/amba-duart.c b/arch/arm/mach-mxs/devices/amba-duart.c deleted file mode 100644 index a5479f766046..000000000000 --- a/arch/arm/mach-mxs/devices/amba-duart.c +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Copyright (C) 2009-2010 Pengutronix - * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> - * - * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License version 2 as published by the - * Free Software Foundation. - */ -#include <asm/irq.h> -#include <mach/mx23.h> -#include <mach/mx28.h> -#include <mach/devices-common.h> - -#define MXS_AMBA_DUART_DEVICE(name, soc) \ -const struct amba_device name##_device __initconst = { \ - .dev = { \ - .init_name = "duart", \ - }, \ - .res = { \ - .start = soc ## _DUART_BASE_ADDR, \ - .end = (soc ## _DUART_BASE_ADDR) + SZ_8K - 1, \ - .flags = IORESOURCE_MEM, \ - }, \ - .irq = {soc ## _INT_DUART}, \ -} - -#ifdef CONFIG_SOC_IMX23 -MXS_AMBA_DUART_DEVICE(mx23_duart, MX23); -#endif - -#ifdef CONFIG_SOC_IMX28 -MXS_AMBA_DUART_DEVICE(mx28_duart, MX28); -#endif - -int __init mxs_add_duart(const struct amba_device *dev) -{ - return mxs_add_amba_device(dev); -} diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index f2e383955d88..21e45a70d344 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -27,11 +27,6 @@ static inline struct platform_device *mxs_add_platform_device( name, id, res, num_resources, data, size_data, 0); } -int __init mxs_add_amba_device(const struct amba_device *dev); - -/* duart */ -int __init mxs_add_duart(const struct amba_device *dev); - /* auart */ struct mxs_auart_data { int id; diff --git a/arch/arm/mach-omap1/mux.c b/arch/arm/mach-omap1/mux.c index 087dba0df47e..e9cc52d4cb28 100644 --- a/arch/arm/mach-omap1/mux.c +++ b/arch/arm/mach-omap1/mux.c @@ -27,6 +27,7 @@ #include <linux/io.h> #include <linux/spinlock.h> +#include <mach/hardware.h> #include <plat/mux.h> diff --git a/arch/arm/mach-omap1/timer.c b/arch/arm/mach-omap1/timer.c index 6e90665a7c47..fb202af01d0d 100644 --- a/arch/arm/mach-omap1/timer.c +++ b/arch/arm/mach-omap1/timer.c @@ -47,9 +47,9 @@ static int omap1_dm_timer_set_src(struct platform_device *pdev, int n = (pdev->id - 1) << 1; u32 l; - l = __raw_readl(MOD_CONF_CTRL_1) & ~(0x03 << n); + l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n); l |= source << n; - __raw_writel(l, MOD_CONF_CTRL_1); + omap_writel(l, MOD_CONF_CTRL_1); return 0; } diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index a39fc4bbd2b8..130ab00c09a2 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -20,6 +20,7 @@ #include <linux/usb/otg.h> #include <linux/spi/spi.h> #include <linux/i2c/twl.h> +#include <linux/mfd/twl6040.h> #include <linux/gpio_keys.h> #include <linux/regulator/machine.h> #include <linux/regulator/fixed.h> @@ -560,7 +561,7 @@ static struct regulator_init_data sdp4430_vusim = { }, }; -static struct twl4030_codec_data twl6040_codec = { +static struct twl6040_codec_data twl6040_codec = { /* single-step ramp for headset and handsfree */ .hs_left_step = 0x0f, .hs_right_step = 0x0f, @@ -568,7 +569,7 @@ static struct twl4030_codec_data twl6040_codec = { .hf_right_step = 0x1d, }; -static struct twl4030_vibra_data twl6040_vibra = { +static struct twl6040_vibra_data twl6040_vibra = { .vibldrv_res = 8, .vibrdrv_res = 3, .viblmotor_res = 10, @@ -577,16 +578,14 @@ static struct twl4030_vibra_data twl6040_vibra = { .vddvibr_uV = 0, /* fixed volt supply - VBAT */ }; -static struct twl4030_audio_data twl6040_audio = { +static struct twl6040_platform_data twl6040_data = { .codec = &twl6040_codec, .vibra = &twl6040_vibra, .audpwron_gpio = 127, - .naudint_irq = OMAP44XX_IRQ_SYS_2N, .irq_base = TWL6040_CODEC_IRQ_BASE, }; static struct twl4030_platform_data sdp4430_twldata = { - .audio = &twl6040_audio, /* Regulators */ .vusim = &sdp4430_vusim, .vaux1 = &sdp4430_vaux1, @@ -617,7 +616,8 @@ static int __init omap4_i2c_init(void) TWL_COMMON_REGULATOR_VCXIO | TWL_COMMON_REGULATOR_VUSB | TWL_COMMON_REGULATOR_CLK32KG); - omap4_pmic_init("twl6030", &sdp4430_twldata); + omap4_pmic_init("twl6030", &sdp4430_twldata, + &twl6040_data, OMAP44XX_IRQ_SYS_2N); omap_register_i2c_bus(2, 400, NULL, 0); omap_register_i2c_bus(3, 400, sdp4430_i2c_3_boardinfo, ARRAY_SIZE(sdp4430_i2c_3_boardinfo)); diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 74e1687b5170..098d183a0086 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -137,7 +137,7 @@ static struct twl4030_platform_data sdp4430_twldata = { static void __init omap4_i2c_init(void) { - omap4_pmic_init("twl6030", &sdp4430_twldata); + omap4_pmic_init("twl6030", &sdp4430_twldata, NULL, 0); } static void __init omap4_init(void) diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index d8c0e89f0126..1b782ba53433 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -25,6 +25,7 @@ #include <linux/gpio.h> #include <linux/usb/otg.h> #include <linux/i2c/twl.h> +#include <linux/mfd/twl6040.h> #include <linux/regulator/machine.h> #include <linux/regulator/fixed.h> #include <linux/wl12xx.h> @@ -284,7 +285,7 @@ static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers) return 0; } -static struct twl4030_codec_data twl6040_codec = { +static struct twl6040_codec_data twl6040_codec = { /* single-step ramp for headset and handsfree */ .hs_left_step = 0x0f, .hs_right_step = 0x0f, @@ -292,17 +293,14 @@ static struct twl4030_codec_data twl6040_codec = { .hf_right_step = 0x1d, }; -static struct twl4030_audio_data twl6040_audio = { +static struct twl6040_platform_data twl6040_data = { .codec = &twl6040_codec, .audpwron_gpio = 127, - .naudint_irq = OMAP44XX_IRQ_SYS_2N, .irq_base = TWL6040_CODEC_IRQ_BASE, }; /* Panda board uses the common PMIC configuration */ -static struct twl4030_platform_data omap4_panda_twldata = { - .audio = &twl6040_audio, -}; +static struct twl4030_platform_data omap4_panda_twldata; /* * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM @@ -326,7 +324,8 @@ static int __init omap4_panda_i2c_init(void) TWL_COMMON_REGULATOR_VCXIO | TWL_COMMON_REGULATOR_VUSB | TWL_COMMON_REGULATOR_CLK32KG); - omap4_pmic_init("twl6030", &omap4_panda_twldata); + omap4_pmic_init("twl6030", &omap4_panda_twldata, + &twl6040_data, OMAP44XX_IRQ_SYS_2N); omap_register_i2c_bus(2, 400, NULL, 0); /* * Bus 3 is attached to the DVI port where devices like the pico DLP diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 2c27fdb61e66..7144ae651d3d 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1422,6 +1422,9 @@ static int _ocp_softreset(struct omap_hwmod *oh) goto dis_opt_clks; _write_sysconfig(v, oh); + if (oh->class->sysc->srst_udelay) + udelay(oh->class->sysc->srst_udelay); + if (oh->class->sysc->sysc_flags & SYSS_HAS_RESET_STATUS) omap_test_timeout((omap_hwmod_read(oh, oh->class->sysc->syss_offs) @@ -1903,10 +1906,20 @@ void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs) */ int omap_hwmod_softreset(struct omap_hwmod *oh) { - if (!oh) + u32 v; + int ret; + + if (!oh || !(oh->_sysc_cache)) return -EINVAL; - return _ocp_softreset(oh); + v = oh->_sysc_cache; + ret = _set_softreset(oh, &v); + if (ret) + goto error; + _write_sysconfig(v, oh); + +error: + return ret; } /** diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index a5409ce3f323..a6bde34e443a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -1000,7 +1000,6 @@ static struct omap_hwmod_ocp_if omap2420_l4_core__dss_venc = { .flags = OMAP_FIREWALL_L4, } }, - .flags = OCPIF_SWSUP_IDLE, .user = OCP_USER_MPU | OCP_USER_SDMA, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index c4f56cb60d7d..04a3885f4475 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -1049,7 +1049,6 @@ static struct omap_hwmod_ocp_if omap2430_l4_core__dss_venc = { .slave = &omap2430_dss_venc_hwmod, .clk = "dss_ick", .addr = omap2_dss_venc_addrs, - .flags = OCPIF_SWSUP_IDLE, .user = OCP_USER_MPU | OCP_USER_SDMA, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 34b9766d1d23..db86ce90c69f 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -1676,7 +1676,6 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_core__dss_venc = { .flags = OMAP_FIREWALL_L4, } }, - .flags = OCPIF_SWSUP_IDLE, .user = OCP_USER_MPU | OCP_USER_SDMA, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index cc9bd106a854..6abc75753e42 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -2594,6 +2594,15 @@ static struct omap_hwmod omap44xx_ipu_hwmod = { static struct omap_hwmod_class_sysconfig omap44xx_iss_sysc = { .rev_offs = 0x0000, .sysc_offs = 0x0010, + /* + * ISS needs 100 OCP clk cycles delay after a softreset before + * accessing sysconfig again. + * The lowest frequency at the moment for L3 bus is 100 MHz, so + * 1usec delay is needed. Add an x2 margin to be safe (2 usecs). + * + * TODO: Indicate errata when available. + */ + .srst_udelay = 2, .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_RESET_STATUS | SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 0cdd359a128e..9fc2f44188cb 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -108,8 +108,14 @@ static void omap_uart_set_noidle(struct platform_device *pdev) static void omap_uart_set_smartidle(struct platform_device *pdev) { struct omap_device *od = to_omap_device(pdev); + u8 idlemode; - omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_SMART); + if (od->hwmods[0]->class->sysc->idlemodes & SIDLE_SMART_WKUP) + idlemode = HWMOD_IDLEMODE_SMART_WKUP; + else + idlemode = HWMOD_IDLEMODE_SMART; + + omap_hwmod_set_slave_idlemode(od->hwmods[0], idlemode); } #else @@ -120,124 +126,8 @@ static void omap_uart_set_smartidle(struct platform_device *pdev) {} #endif /* CONFIG_PM */ #ifdef CONFIG_OMAP_MUX -static struct omap_device_pad default_uart1_pads[] __initdata = { - { - .name = "uart1_cts.uart1_cts", - .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, - }, - { - .name = "uart1_rts.uart1_rts", - .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, - }, - { - .name = "uart1_tx.uart1_tx", - .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, - }, - { - .name = "uart1_rx.uart1_rx", - .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, - .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, - .idle = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, - }, -}; - -static struct omap_device_pad default_uart2_pads[] __initdata = { - { - .name = "uart2_cts.uart2_cts", - .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, - }, - { - .name = "uart2_rts.uart2_rts", - .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, - }, - { - .name = "uart2_tx.uart2_tx", - .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, - }, - { - .name = "uart2_rx.uart2_rx", - .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, - .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, - .idle = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, - }, -}; - -static struct omap_device_pad default_uart3_pads[] __initdata = { - { - .name = "uart3_cts_rctx.uart3_cts_rctx", - .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, - }, - { - .name = "uart3_rts_sd.uart3_rts_sd", - .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, - }, - { - .name = "uart3_tx_irtx.uart3_tx_irtx", - .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, - }, - { - .name = "uart3_rx_irrx.uart3_rx_irrx", - .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, - .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE0, - .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE0, - }, -}; - -static struct omap_device_pad default_omap36xx_uart4_pads[] __initdata = { - { - .name = "gpmc_wait2.uart4_tx", - .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, - }, - { - .name = "gpmc_wait3.uart4_rx", - .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, - .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE2, - .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE2, - }, -}; - -static struct omap_device_pad default_omap4_uart4_pads[] __initdata = { - { - .name = "uart4_tx.uart4_tx", - .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, - }, - { - .name = "uart4_rx.uart4_rx", - .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, - .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE0, - .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE0, - }, -}; - static void omap_serial_fill_default_pads(struct omap_board_data *bdata) { - switch (bdata->id) { - case 0: - bdata->pads = default_uart1_pads; - bdata->pads_cnt = ARRAY_SIZE(default_uart1_pads); - break; - case 1: - bdata->pads = default_uart2_pads; - bdata->pads_cnt = ARRAY_SIZE(default_uart2_pads); - break; - case 2: - bdata->pads = default_uart3_pads; - bdata->pads_cnt = ARRAY_SIZE(default_uart3_pads); - break; - case 3: - if (cpu_is_omap44xx()) { - bdata->pads = default_omap4_uart4_pads; - bdata->pads_cnt = - ARRAY_SIZE(default_omap4_uart4_pads); - } else if (cpu_is_omap3630()) { - bdata->pads = default_omap36xx_uart4_pads; - bdata->pads_cnt = - ARRAY_SIZE(default_omap36xx_uart4_pads); - } - break; - default: - break; - } } #else static void omap_serial_fill_default_pads(struct omap_board_data *bdata) {} diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c index 4b57757bf9d1..7a7b89304c48 100644 --- a/arch/arm/mach-omap2/twl-common.c +++ b/arch/arm/mach-omap2/twl-common.c @@ -37,6 +37,16 @@ static struct i2c_board_info __initdata pmic_i2c_board_info = { .flags = I2C_CLIENT_WAKE, }; +static struct i2c_board_info __initdata omap4_i2c1_board_info[] = { + { + .addr = 0x48, + .flags = I2C_CLIENT_WAKE, + }, + { + I2C_BOARD_INFO("twl6040", 0x4b), + }, +}; + void __init omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq, struct twl4030_platform_data *pmic_data) @@ -49,14 +59,31 @@ void __init omap_pmic_init(int bus, u32 clkrate, omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1); } +void __init omap4_pmic_init(const char *pmic_type, + struct twl4030_platform_data *pmic_data, + struct twl6040_platform_data *twl6040_data, int twl6040_irq) +{ + /* PMIC part*/ + strncpy(omap4_i2c1_board_info[0].type, pmic_type, + sizeof(omap4_i2c1_board_info[0].type)); + omap4_i2c1_board_info[0].irq = OMAP44XX_IRQ_SYS_1N; + omap4_i2c1_board_info[0].platform_data = pmic_data; + + /* TWL6040 audio IC part */ + omap4_i2c1_board_info[1].irq = twl6040_irq; + omap4_i2c1_board_info[1].platform_data = twl6040_data; + + omap_register_i2c_bus(1, 400, omap4_i2c1_board_info, 2); + +} + void __init omap_pmic_late_init(void) { /* Init the OMAP TWL parameters (if PMIC has been registerd) */ - if (!pmic_i2c_board_info.irq) - return; - - omap3_twl_init(); - omap4_twl_init(); + if (pmic_i2c_board_info.irq) + omap3_twl_init(); + if (omap4_i2c1_board_info[0].irq) + omap4_twl_init(); } #if defined(CONFIG_ARCH_OMAP3) diff --git a/arch/arm/mach-omap2/twl-common.h b/arch/arm/mach-omap2/twl-common.h index 275dde8cb27a..09627483a57f 100644 --- a/arch/arm/mach-omap2/twl-common.h +++ b/arch/arm/mach-omap2/twl-common.h @@ -29,6 +29,7 @@ struct twl4030_platform_data; +struct twl6040_platform_data; void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq, struct twl4030_platform_data *pmic_data); @@ -46,12 +47,9 @@ static inline void omap3_pmic_init(const char *pmic_type, omap_pmic_init(1, 2600, pmic_type, INT_34XX_SYS_NIRQ, pmic_data); } -static inline void omap4_pmic_init(const char *pmic_type, - struct twl4030_platform_data *pmic_data) -{ - /* Phoenix Audio IC needs I2C1 to start with 400 KHz or less */ - omap_pmic_init(1, 400, pmic_type, OMAP44XX_IRQ_SYS_1N, pmic_data); -} +void omap4_pmic_init(const char *pmic_type, + struct twl4030_platform_data *pmic_data, + struct twl6040_platform_data *audio_data, int twl6040_irq); void omap3_pmic_get_config(struct twl4030_platform_data *pmic_data, u32 pdata_flags, u32 regulators_flags); diff --git a/arch/arm/mach-orion5x/db88f5281-setup.c b/arch/arm/mach-orion5x/db88f5281-setup.c index e52108c9aaea..49a3fd630313 100644 --- a/arch/arm/mach-orion5x/db88f5281-setup.c +++ b/arch/arm/mach-orion5x/db88f5281-setup.c @@ -265,7 +265,6 @@ static int __init db88f5281_pci_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci db88f5281_pci __initdata = { .nr_controllers = 2, .preinit = db88f5281_pci_preinit, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = db88f5281_pci_map_irq, diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c index c3ed15b8ea25..8c06ccac44c2 100644 --- a/arch/arm/mach-orion5x/dns323-setup.c +++ b/arch/arm/mach-orion5x/dns323-setup.c @@ -86,7 +86,6 @@ static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static struct hw_pci dns323_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = dns323_pci_map_irq, diff --git a/arch/arm/mach-orion5x/kurobox_pro-setup.c b/arch/arm/mach-orion5x/kurobox_pro-setup.c index 47587b832842..1e458efafb9a 100644 --- a/arch/arm/mach-orion5x/kurobox_pro-setup.c +++ b/arch/arm/mach-orion5x/kurobox_pro-setup.c @@ -138,7 +138,6 @@ static int __init kurobox_pro_pci_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci kurobox_pro_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = kurobox_pro_pci_map_irq, diff --git a/arch/arm/mach-orion5x/mss2-setup.c b/arch/arm/mach-orion5x/mss2-setup.c index 65faaa34de61..1c16d045333e 100644 --- a/arch/arm/mach-orion5x/mss2-setup.c +++ b/arch/arm/mach-orion5x/mss2-setup.c @@ -89,7 +89,6 @@ static int __init mss2_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static struct hw_pci mss2_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = mss2_pci_map_irq, diff --git a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c index 292038fc59fd..78a6a11d8216 100644 --- a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c +++ b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c @@ -149,7 +149,6 @@ rd88f5181l_fxo_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static struct hw_pci rd88f5181l_fxo_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = rd88f5181l_fxo_pci_map_irq, diff --git a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c index c44eabaabc16..2f5dc54cd4cd 100644 --- a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c +++ b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c @@ -161,7 +161,6 @@ rd88f5181l_ge_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static struct hw_pci rd88f5181l_ge_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = rd88f5181l_ge_pci_map_irq, diff --git a/arch/arm/mach-orion5x/rd88f5182-setup.c b/arch/arm/mach-orion5x/rd88f5182-setup.c index e3ce61711478..399130fac0b6 100644 --- a/arch/arm/mach-orion5x/rd88f5182-setup.c +++ b/arch/arm/mach-orion5x/rd88f5182-setup.c @@ -200,7 +200,6 @@ static int __init rd88f5182_pci_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci rd88f5182_pci __initdata = { .nr_controllers = 2, .preinit = rd88f5182_pci_preinit, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = rd88f5182_pci_map_irq, diff --git a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c index 2c5fab00d205..e91bf0ba4e8e 100644 --- a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c +++ b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c @@ -102,7 +102,6 @@ static void __init rd88f6183ap_ge_init(void) static struct hw_pci rd88f6183ap_ge_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = orion5x_pci_map_irq, diff --git a/arch/arm/mach-orion5x/terastation_pro2-setup.c b/arch/arm/mach-orion5x/terastation_pro2-setup.c index 632a861ef82b..90e571dc4deb 100644 --- a/arch/arm/mach-orion5x/terastation_pro2-setup.c +++ b/arch/arm/mach-orion5x/terastation_pro2-setup.c @@ -122,7 +122,6 @@ static int __init tsp2_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static struct hw_pci tsp2_pci __initdata = { .nr_controllers = 2, .preinit = tsp2_pci_preinit, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = tsp2_pci_map_irq, diff --git a/arch/arm/mach-orion5x/ts209-setup.c b/arch/arm/mach-orion5x/ts209-setup.c index 5d6408745582..b184f680e0db 100644 --- a/arch/arm/mach-orion5x/ts209-setup.c +++ b/arch/arm/mach-orion5x/ts209-setup.c @@ -170,7 +170,6 @@ static int __init qnap_ts209_pci_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci qnap_ts209_pci __initdata = { .nr_controllers = 2, .preinit = qnap_ts209_pci_preinit, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = qnap_ts209_pci_map_irq, diff --git a/arch/arm/mach-orion5x/ts409-setup.c b/arch/arm/mach-orion5x/ts409-setup.c index 4e6ff759cd32..a5c2e64c4ece 100644 --- a/arch/arm/mach-orion5x/ts409-setup.c +++ b/arch/arm/mach-orion5x/ts409-setup.c @@ -140,7 +140,6 @@ static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci qnap_ts409_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = qnap_ts409_pci_map_irq, diff --git a/arch/arm/mach-orion5x/wnr854t-setup.c b/arch/arm/mach-orion5x/wnr854t-setup.c index 078c03f7cd52..754c12b6abf0 100644 --- a/arch/arm/mach-orion5x/wnr854t-setup.c +++ b/arch/arm/mach-orion5x/wnr854t-setup.c @@ -155,7 +155,6 @@ static int __init wnr854t_pci_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci wnr854t_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = wnr854t_pci_map_irq, diff --git a/arch/arm/mach-orion5x/wrt350n-v2-setup.c b/arch/arm/mach-orion5x/wrt350n-v2-setup.c index 46a9778171ce..45c21251eb1e 100644 --- a/arch/arm/mach-orion5x/wrt350n-v2-setup.c +++ b/arch/arm/mach-orion5x/wrt350n-v2-setup.c @@ -243,7 +243,6 @@ static int __init wrt350n_v2_pci_map_irq(const struct pci_dev *dev, u8 slot, static struct hw_pci wrt350n_v2_pci __initdata = { .nr_controllers = 2, - .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = wrt350n_v2_pci_map_irq, diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.c b/arch/arm/mach-pxa/cm-x2xx-pci.c index ebd9259f5ac9..d8f816c24a2f 100644 --- a/arch/arm/mach-pxa/cm-x2xx-pci.c +++ b/arch/arm/mach-pxa/cm-x2xx-pci.c @@ -181,11 +181,10 @@ static void cmx2xx_pci_preinit(void) } static struct hw_pci cmx2xx_pci __initdata = { - .swizzle = pci_std_swizzle, .map_irq = cmx2xx_pci_map_irq, .nr_controllers = 1, + .ops = &it8152_ops, .setup = it8152_pci_setup, - .scan = it8152_pci_scan_bus, .preinit = cmx2xx_pci_preinit, }; diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h index c54cef25895c..cbf51ae81855 100644 --- a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h +++ b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h @@ -17,6 +17,7 @@ * * bit 23 - Input/Output (PXA2xx specific) * bit 24 - Wakeup Enable(PXA2xx specific) + * bit 25 - Keep Output (PXA2xx specific) */ #define MFP_DIR_IN (0x0 << 23) @@ -25,6 +26,12 @@ #define MFP_DIR(x) (((x) >> 23) & 0x1) #define MFP_LPM_CAN_WAKEUP (0x1 << 24) + +/* + * MFP_LPM_KEEP_OUTPUT must be specified for pins that need to + * retain their last output level (low or high). + * Note: MFP_LPM_KEEP_OUTPUT has no effect on pins configured for input. + */ #define MFP_LPM_KEEP_OUTPUT (0x1 << 25) #define WAKEUP_ON_EDGE_RISE (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE) diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index b0a842887780..ef0426a159d4 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c @@ -33,6 +33,8 @@ #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) #define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5)) #define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c) +#define GPSR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x18) +#define GPCR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x24) #define PWER_WE35 (1 << 24) @@ -348,6 +350,7 @@ static inline void pxa27x_mfp_init(void) {} #ifdef CONFIG_PM static unsigned long saved_gafr[2][4]; static unsigned long saved_gpdr[4]; +static unsigned long saved_gplr[4]; static unsigned long saved_pgsr[4]; static int pxa2xx_mfp_suspend(void) @@ -366,14 +369,26 @@ static int pxa2xx_mfp_suspend(void) } for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { - saved_gafr[0][i] = GAFR_L(i); saved_gafr[1][i] = GAFR_U(i); saved_gpdr[i] = GPDR(i * 32); + saved_gplr[i] = GPLR(i * 32); saved_pgsr[i] = PGSR(i); - GPDR(i * 32) = gpdr_lpm[i]; + GPSR(i * 32) = PGSR(i); + GPCR(i * 32) = ~PGSR(i); + } + + /* set GPDR bits taking into account MFP_LPM_KEEP_OUTPUT */ + for (i = 0; i < pxa_last_gpio; i++) { + if ((gpdr_lpm[gpio_to_bank(i)] & GPIO_bit(i)) || + ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) && + (saved_gpdr[gpio_to_bank(i)] & GPIO_bit(i)))) + GPDR(i) |= GPIO_bit(i); + else + GPDR(i) &= ~GPIO_bit(i); } + return 0; } @@ -384,6 +399,8 @@ static void pxa2xx_mfp_resume(void) for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { GAFR_L(i) = saved_gafr[0][i]; GAFR_U(i) = saved_gafr[1][i]; + GPSR(i * 32) = saved_gplr[i]; + GPCR(i * 32) = ~saved_gplr[i]; GPDR(i * 32) = saved_gpdr[i]; PGSR(i) = saved_pgsr[i]; } diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 6bce78edce7a..4726c246dcdc 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -421,8 +421,11 @@ void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info) pxa_register_device(&pxa27x_device_i2c_power, info); } +static struct pxa_gpio_platform_data pxa27x_gpio_info __initdata = { + .gpio_set_wake = gpio_set_wake, +}; + static struct platform_device *devices[] __initdata = { - &pxa_device_gpio, &pxa27x_device_udc, &pxa_device_pmu, &pxa_device_i2s, @@ -458,6 +461,7 @@ static int __init pxa27x_init(void) register_syscore_ops(&pxa2xx_mfp_syscore_ops); register_syscore_ops(&pxa2xx_clock_syscore_ops); + pxa_register_device(&pxa_device_gpio, &pxa27x_gpio_info); ret = platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index 0f3a327ebcaa..b34287ab5afd 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -111,10 +111,6 @@ config S3C24XX_SETUP_TS help Compile in platform device definition for Samsung TouchScreen. -# cpu-specific sections - -if CPU_S3C2410 - config S3C2410_DMA bool depends on S3C24XX_DMA && (CPU_S3C2410 || CPU_S3C2442) @@ -127,6 +123,10 @@ config S3C2410_PM help Power Management code common to S3C2410 and better +# cpu-specific sections + +if CPU_S3C2410 + config S3C24XX_SIMTEC_NOR bool help diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index a8933de3d627..32395664e879 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -25,6 +25,7 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/gpio.h> +#include <linux/mmc/host.h> #include <linux/interrupt.h> #include <asm/hardware/vic.h> @@ -765,6 +766,7 @@ static void __init goni_pmic_init(void) /* MoviNAND */ static struct s3c_sdhci_platdata goni_hsmmc0_data __initdata = { .max_width = 4, + .host_caps2 = MMC_CAP2_BROKEN_VOLTAGE, .cd_type = S3C_SDHCI_CD_PERMANENT, }; diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c index 7c524b4e415d..16be4c56abe3 100644 --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -306,7 +306,7 @@ void sa11x0_register_irda(struct irda_platform_data *irda) } static struct resource sa1100_rtc_resources[] = { - DEFINE_RES_MEM(0x90010000, 0x9001003f), + DEFINE_RES_MEM(0x90010000, 0x40), DEFINE_RES_IRQ_NAMED(IRQ_RTC1Hz, "rtc 1Hz"), DEFINE_RES_IRQ_NAMED(IRQ_RTCAlrm, "rtc alarm"), }; diff --git a/arch/arm/mach-sa1100/pci-nanoengine.c b/arch/arm/mach-sa1100/pci-nanoengine.c index b49108b890a8..ff02e2da99f2 100644 --- a/arch/arm/mach-sa1100/pci-nanoengine.c +++ b/arch/arm/mach-sa1100/pci-nanoengine.c @@ -129,12 +129,6 @@ static int __init pci_nanoengine_map_irq(const struct pci_dev *dev, u8 slot, return NANOENGINE_IRQ_GPIO_PCI; } -struct pci_bus * __init pci_nanoengine_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, sys->busnr, &pci_nano_ops, sys, - &sys->resources); -} - static struct resource pci_io_ports = DEFINE_RES_IO_NAMED(0x400, 0x400, "PCI IO"); @@ -274,7 +268,7 @@ int __init pci_nanoengine_setup(int nr, struct pci_sys_data *sys) static struct hw_pci nanoengine_pci __initdata = { .map_irq = pci_nanoengine_map_irq, .nr_controllers = 1, - .scan = pci_nanoengine_scan_bus, + .ops = &pci_nano_ops, .setup = pci_nanoengine_setup, }; diff --git a/arch/arm/mach-shark/pci.c b/arch/arm/mach-shark/pci.c index 7cb79a092f31..9089407d5326 100644 --- a/arch/arm/mach-shark/pci.c +++ b/arch/arm/mach-shark/pci.c @@ -29,10 +29,9 @@ extern void __init via82c505_preinit(void); static struct hw_pci shark_pci __initdata = { .setup = via82c505_setup, - .swizzle = pci_std_swizzle, .map_irq = shark_map_irq, .nr_controllers = 1, - .scan = via82c505_scan_bus, + .ops = &via82c505_ops, .preinit = via82c505_preinit, }; diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c index 54a816ff3847..0e09137506ec 100644 --- a/arch/arm/mach-tegra/pcie.c +++ b/arch/arm/mach-tegra/pcie.c @@ -475,7 +475,6 @@ static struct hw_pci tegra_pcie_hw __initdata = { .nr_controllers = 2, .setup = tegra_pcie_setup, .scan = tegra_pcie_scan_bus, - .swizzle = pci_std_swizzle, .map_irq = tegra_pcie_map_irq, }; diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index 1621ad07d284..33339745d432 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -1667,8 +1667,10 @@ void __init u300_init_irq(void) for (i = 0; i < U300_VIC_IRQS_END; i++) set_bit(i, (unsigned long *) &mask[0]); - vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], mask[0]); - vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], mask[1]); + vic_init((void __iomem *) U300_INTCON0_VBASE, IRQ_U300_INTCON0_START, + mask[0], mask[0]); + vic_init((void __iomem *) U300_INTCON1_VBASE, IRQ_U300_INTCON1_START, + mask[1], mask[1]); } diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c index a38f80238ea9..cb04bd6ab3e7 100644 --- a/arch/arm/mach-u300/i2c.c +++ b/arch/arm/mach-u300/i2c.c @@ -146,9 +146,6 @@ static struct ab3100_platform_data ab3100_plf_data = { .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, .always_on = 1, .boot_on = 1, }, @@ -160,9 +157,6 @@ static struct ab3100_platform_data ab3100_plf_data = { .min_uV = 2500000, .max_uV = 2500000, .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, .always_on = 1, .boot_on = 1, }, @@ -230,8 +224,7 @@ static struct ab3100_platform_data ab3100_plf_data = { .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, + REGULATOR_CHANGE_VOLTAGE, .always_on = 1, .boot_on = 1, }, diff --git a/arch/arm/mach-u300/include/mach/irqs.h b/arch/arm/mach-u300/include/mach/irqs.h index ee78a26707eb..ec09c1e07b1a 100644 --- a/arch/arm/mach-u300/include/mach/irqs.h +++ b/arch/arm/mach-u300/include/mach/irqs.h @@ -12,101 +12,101 @@ #ifndef __MACH_IRQS_H #define __MACH_IRQS_H -#define IRQ_U300_INTCON0_START 0 -#define IRQ_U300_INTCON1_START 32 +#define IRQ_U300_INTCON0_START 1 +#define IRQ_U300_INTCON1_START 33 /* These are on INTCON0 - 30 lines */ -#define IRQ_U300_IRQ0_EXT 0 -#define IRQ_U300_IRQ1_EXT 1 -#define IRQ_U300_DMA 2 -#define IRQ_U300_VIDEO_ENC_0 3 -#define IRQ_U300_VIDEO_ENC_1 4 -#define IRQ_U300_AAIF_RX 5 -#define IRQ_U300_AAIF_TX 6 -#define IRQ_U300_AAIF_VGPIO 7 -#define IRQ_U300_AAIF_WAKEUP 8 -#define IRQ_U300_PCM_I2S0_FRAME 9 -#define IRQ_U300_PCM_I2S0_FIFO 10 -#define IRQ_U300_PCM_I2S1_FRAME 11 -#define IRQ_U300_PCM_I2S1_FIFO 12 -#define IRQ_U300_XGAM_GAMCON 13 -#define IRQ_U300_XGAM_CDI 14 -#define IRQ_U300_XGAM_CDICON 15 +#define IRQ_U300_IRQ0_EXT 1 +#define IRQ_U300_IRQ1_EXT 2 +#define IRQ_U300_DMA 3 +#define IRQ_U300_VIDEO_ENC_0 4 +#define IRQ_U300_VIDEO_ENC_1 5 +#define IRQ_U300_AAIF_RX 6 +#define IRQ_U300_AAIF_TX 7 +#define IRQ_U300_AAIF_VGPIO 8 +#define IRQ_U300_AAIF_WAKEUP 9 +#define IRQ_U300_PCM_I2S0_FRAME 10 +#define IRQ_U300_PCM_I2S0_FIFO 11 +#define IRQ_U300_PCM_I2S1_FRAME 12 +#define IRQ_U300_PCM_I2S1_FIFO 13 +#define IRQ_U300_XGAM_GAMCON 14 +#define IRQ_U300_XGAM_CDI 15 +#define IRQ_U300_XGAM_CDICON 16 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) /* MMIACC not used on the DB3210 or DB3350 chips */ -#define IRQ_U300_XGAM_MMIACC 16 +#define IRQ_U300_XGAM_MMIACC 17 #endif -#define IRQ_U300_XGAM_PDI 17 -#define IRQ_U300_XGAM_PDICON 18 -#define IRQ_U300_XGAM_GAMEACC 19 -#define IRQ_U300_XGAM_MCIDCT 20 -#define IRQ_U300_APEX 21 -#define IRQ_U300_UART0 22 -#define IRQ_U300_SPI 23 -#define IRQ_U300_TIMER_APP_OS 24 -#define IRQ_U300_TIMER_APP_DD 25 -#define IRQ_U300_TIMER_APP_GP1 26 -#define IRQ_U300_TIMER_APP_GP2 27 -#define IRQ_U300_TIMER_OS 28 -#define IRQ_U300_TIMER_MS 29 -#define IRQ_U300_KEYPAD_KEYBF 30 -#define IRQ_U300_KEYPAD_KEYBR 31 +#define IRQ_U300_XGAM_PDI 18 +#define IRQ_U300_XGAM_PDICON 19 +#define IRQ_U300_XGAM_GAMEACC 20 +#define IRQ_U300_XGAM_MCIDCT 21 +#define IRQ_U300_APEX 22 +#define IRQ_U300_UART0 23 +#define IRQ_U300_SPI 24 +#define IRQ_U300_TIMER_APP_OS 25 +#define IRQ_U300_TIMER_APP_DD 26 +#define IRQ_U300_TIMER_APP_GP1 27 +#define IRQ_U300_TIMER_APP_GP2 28 +#define IRQ_U300_TIMER_OS 29 +#define IRQ_U300_TIMER_MS 30 +#define IRQ_U300_KEYPAD_KEYBF 31 +#define IRQ_U300_KEYPAD_KEYBR 32 /* These are on INTCON1 - 32 lines */ -#define IRQ_U300_GPIO_PORT0 32 -#define IRQ_U300_GPIO_PORT1 33 -#define IRQ_U300_GPIO_PORT2 34 +#define IRQ_U300_GPIO_PORT0 33 +#define IRQ_U300_GPIO_PORT1 34 +#define IRQ_U300_GPIO_PORT2 35 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) || \ defined(CONFIG_MACH_U300_BS335) /* These are for DB3150, DB3200 and DB3350 */ -#define IRQ_U300_WDOG 35 -#define IRQ_U300_EVHIST 36 -#define IRQ_U300_MSPRO 37 -#define IRQ_U300_MMCSD_MCIINTR0 38 -#define IRQ_U300_MMCSD_MCIINTR1 39 -#define IRQ_U300_I2C0 40 -#define IRQ_U300_I2C1 41 -#define IRQ_U300_RTC 42 -#define IRQ_U300_NFIF 43 -#define IRQ_U300_NFIF2 44 +#define IRQ_U300_WDOG 36 +#define IRQ_U300_EVHIST 37 +#define IRQ_U300_MSPRO 38 +#define IRQ_U300_MMCSD_MCIINTR0 39 +#define IRQ_U300_MMCSD_MCIINTR1 40 +#define IRQ_U300_I2C0 41 +#define IRQ_U300_I2C1 42 +#define IRQ_U300_RTC 43 +#define IRQ_U300_NFIF 44 +#define IRQ_U300_NFIF2 45 #endif /* DB3150 and DB3200 have only 45 IRQs */ #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) -#define U300_VIC_IRQS_END 45 +#define U300_VIC_IRQS_END 46 #endif /* The DB3350-specific interrupt lines */ #ifdef CONFIG_MACH_U300_BS335 -#define IRQ_U300_ISP_F0 45 -#define IRQ_U300_ISP_F1 46 -#define IRQ_U300_ISP_F2 47 -#define IRQ_U300_ISP_F3 48 -#define IRQ_U300_ISP_F4 49 -#define IRQ_U300_GPIO_PORT3 50 -#define IRQ_U300_SYSCON_PLL_LOCK 51 -#define IRQ_U300_UART1 52 -#define IRQ_U300_GPIO_PORT4 53 -#define IRQ_U300_GPIO_PORT5 54 -#define IRQ_U300_GPIO_PORT6 55 -#define U300_VIC_IRQS_END 56 +#define IRQ_U300_ISP_F0 46 +#define IRQ_U300_ISP_F1 47 +#define IRQ_U300_ISP_F2 48 +#define IRQ_U300_ISP_F3 49 +#define IRQ_U300_ISP_F4 50 +#define IRQ_U300_GPIO_PORT3 51 +#define IRQ_U300_SYSCON_PLL_LOCK 52 +#define IRQ_U300_UART1 53 +#define IRQ_U300_GPIO_PORT4 54 +#define IRQ_U300_GPIO_PORT5 55 +#define IRQ_U300_GPIO_PORT6 56 +#define U300_VIC_IRQS_END 57 #endif /* The DB3210-specific interrupt lines */ #ifdef CONFIG_MACH_U300_BS365 -#define IRQ_U300_GPIO_PORT3 35 -#define IRQ_U300_GPIO_PORT4 36 -#define IRQ_U300_WDOG 37 -#define IRQ_U300_EVHIST 38 -#define IRQ_U300_MSPRO 39 -#define IRQ_U300_MMCSD_MCIINTR0 40 -#define IRQ_U300_MMCSD_MCIINTR1 41 -#define IRQ_U300_I2C0 42 -#define IRQ_U300_I2C1 43 -#define IRQ_U300_RTC 44 -#define IRQ_U300_NFIF 45 -#define IRQ_U300_NFIF2 46 -#define IRQ_U300_SYSCON_PLL_LOCK 47 -#define U300_VIC_IRQS_END 48 +#define IRQ_U300_GPIO_PORT3 36 +#define IRQ_U300_GPIO_PORT4 37 +#define IRQ_U300_WDOG 38 +#define IRQ_U300_EVHIST 39 +#define IRQ_U300_MSPRO 40 +#define IRQ_U300_MMCSD_MCIINTR0 41 +#define IRQ_U300_MMCSD_MCIINTR1 42 +#define IRQ_U300_I2C0 43 +#define IRQ_U300_I2C1 44 +#define IRQ_U300_RTC 45 +#define IRQ_U300_NFIF 46 +#define IRQ_U300_NFIF2 47 +#define IRQ_U300_SYSCON_PLL_LOCK 48 +#define U300_VIC_IRQS_END 49 #endif /* Maximum 8*7 GPIO lines */ @@ -117,6 +117,6 @@ #define IRQ_U300_GPIO_END (U300_VIC_IRQS_END) #endif -#define NR_IRQS (IRQ_U300_GPIO_END) +#define NR_IRQS (IRQ_U300_GPIO_END - IRQ_U300_INTCON0_START) #endif diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 880d02ec89d4..ef7099eea0f2 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -17,6 +17,7 @@ config UX500_SOC_DB5500 config UX500_SOC_DB8500 bool select MFD_DB8500_PRCMU + select REGULATOR select REGULATOR_DB8500_PRCMU select CPU_FREQ_TABLE if CPU_FREQ diff --git a/arch/arm/mach-ux500/devices-common.c b/arch/arm/mach-ux500/devices-common.c index c5312a4b49f5..dfdd4a54668d 100644 --- a/arch/arm/mach-ux500/devices-common.c +++ b/arch/arm/mach-ux500/devices-common.c @@ -11,7 +11,6 @@ #include <linux/irq.h> #include <linux/slab.h> #include <linux/platform_device.h> -#include <linux/amba/bus.h> #include <plat/gpio-nomadik.h> @@ -19,38 +18,6 @@ #include "devices-common.h" -struct amba_device * -dbx500_add_amba_device(struct device *parent, const char *name, - resource_size_t base, int irq, void *pdata, - unsigned int periphid) -{ - struct amba_device *dev; - int ret; - - dev = amba_device_alloc(name, base, SZ_4K); - if (!dev) - return ERR_PTR(-ENOMEM); - - dev->dma_mask = DMA_BIT_MASK(32); - dev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - - dev->irq[0] = irq; - - dev->periphid = periphid; - - dev->dev.platform_data = pdata; - - dev->dev.parent = parent; - - ret = amba_device_add(dev, &iomem_resource); - if (ret) { - amba_device_put(dev); - return ERR_PTR(ret); - } - - return dev; -} - static struct platform_device * dbx500_add_gpio(struct device *parent, int id, resource_size_t addr, int irq, struct nmk_gpio_platform_data *pdata) diff --git a/arch/arm/mach-ux500/devices-common.h b/arch/arm/mach-ux500/devices-common.h index 39c74ec82add..f75bcb2ab13b 100644 --- a/arch/arm/mach-ux500/devices-common.h +++ b/arch/arm/mach-ux500/devices-common.h @@ -11,13 +11,9 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/sys_soc.h> +#include <linux/amba/bus.h> #include <plat/i2c.h> -extern struct amba_device * -dbx500_add_amba_device(struct device *parent, const char *name, - resource_size_t base, int irq, void *pdata, - unsigned int periphid); - struct spi_master_cntlr; static inline struct amba_device * @@ -25,8 +21,8 @@ dbx500_add_msp_spi(struct device *parent, const char *name, resource_size_t base, int irq, struct spi_master_cntlr *pdata) { - return dbx500_add_amba_device(parent, name, base, irq, - pdata, 0); + return amba_ahb_device_add(parent, name, base, SZ_4K, irq, 0, + pdata, 0); } static inline struct amba_device * @@ -34,8 +30,8 @@ dbx500_add_spi(struct device *parent, const char *name, resource_size_t base, int irq, struct spi_master_cntlr *pdata, u32 periphid) { - return dbx500_add_amba_device(parent, name, base, irq, - pdata, periphid); + return amba_ahb_device_add(parent, name, base, SZ_4K, irq, 0, + pdata, periphid); } struct mmci_platform_data; @@ -44,8 +40,8 @@ static inline struct amba_device * dbx500_add_sdi(struct device *parent, const char *name, resource_size_t base, int irq, struct mmci_platform_data *pdata, u32 periphid) { - return dbx500_add_amba_device(parent, name, base, irq, - pdata, periphid); + return amba_ahb_device_add(parent, name, base, SZ_4K, irq, 0, + pdata, periphid); } struct amba_pl011_data; @@ -54,7 +50,7 @@ static inline struct amba_device * dbx500_add_uart(struct device *parent, const char *name, resource_size_t base, int irq, struct amba_pl011_data *pdata) { - return dbx500_add_amba_device(parent, name, base, irq, pdata, 0); + return amba_ahb_device_add(parent, name, base, SZ_4K, irq, 0, pdata, 0); } struct nmk_i2c_controller; @@ -85,7 +81,8 @@ dbx500_add_i2c(struct device *parent, int id, resource_size_t base, int irq, static inline struct amba_device * dbx500_add_rtc(struct device *parent, resource_size_t base, int irq) { - return dbx500_add_amba_device(parent, "rtc-pl031", base, irq, NULL, 0); + return amba_apb_device_add(parent, "rtc-pl031", base, SZ_4K, irq, + 0, NULL, 0); } struct nmk_gpio_platform_data; diff --git a/arch/arm/mach-ux500/devices-db8500.h b/arch/arm/mach-ux500/devices-db8500.h index 9fd93e9da529..6fc7eb24d9a0 100644 --- a/arch/arm/mach-ux500/devices-db8500.h +++ b/arch/arm/mach-ux500/devices-db8500.h @@ -31,7 +31,7 @@ static inline struct amba_device * db8500_add_ssp(struct device *parent, const char *name, resource_size_t base, int irq, struct pl022_ssp_controller *pdata) { - return dbx500_add_amba_device(parent, name, base, irq, pdata, 0); + return amba_ahb_device_add(parent, name, base, SZ_4K, irq, 0, pdata, 0); } diff --git a/arch/arm/mach-ux500/mbox-db5500.c b/arch/arm/mach-ux500/mbox-db5500.c index 2b2d51caf9d8..0127490218cd 100644 --- a/arch/arm/mach-ux500/mbox-db5500.c +++ b/arch/arm/mach-ux500/mbox-db5500.c @@ -168,7 +168,7 @@ static ssize_t mbox_read_fifo(struct device *dev, return sprintf(buf, "0x%X\n", mbox_value); } -static DEVICE_ATTR(fifo, S_IWUGO | S_IRUGO, mbox_read_fifo, mbox_write_fifo); +static DEVICE_ATTR(fifo, S_IWUSR | S_IRUGO, mbox_read_fifo, mbox_write_fifo); static int mbox_show(struct seq_file *s, void *data) { diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index d2058ef8345f..eff5842f6232 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -99,7 +99,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) */ write_pen_release(cpu_logical_map(cpu)); - gic_raise_softirq(cpumask_of(cpu), 1); + smp_send_reschedule(cpu); timeout = jiffies + (1 * HZ); while (time_before(jiffies, timeout)) { diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 6bbd74e950ab..cf4687ee2a7b 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -66,12 +66,6 @@ #define VA_VIC_BASE __io_address(VERSATILE_VIC_BASE) #define VA_SIC_BASE __io_address(VERSATILE_SIC_BASE) -static struct fpga_irq_data sic_irq = { - .base = VA_SIC_BASE, - .irq_start = IRQ_SIC_START, - .chip.name = "SIC", -}; - #if 1 #define IRQ_MMCI0A IRQ_VICSOURCE22 #define IRQ_AACI IRQ_VICSOURCE24 @@ -105,8 +99,11 @@ void __init versatile_init_irq(void) writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR); - fpga_irq_init(IRQ_VICSOURCE31, ~PIC_MASK, &sic_irq); - irq_domain_generate_simple(sic_of_match, VERSATILE_SIC_BASE, IRQ_SIC_START); + np = of_find_matching_node_by_address(NULL, sic_of_match, + VERSATILE_SIC_BASE); + + fpga_irq_init(VA_SIC_BASE, "SIC", IRQ_SIC_START, + IRQ_VICSOURCE31, ~PIC_MASK, np); /* * Interrupts on secondary controller from 0 to 8 are routed to @@ -666,17 +663,18 @@ static struct amba_device *amba_devs[] __initdata = { * having a specific name. */ struct of_dev_auxdata versatile_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI0_BASE, "fpga:05", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI0_BASE, "fpga:05", &mmc0_plat_data), OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI0_BASE, "fpga:06", NULL), OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI1_BASE, "fpga:07", NULL), OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART3_BASE, "fpga:09", NULL), + /* FIXME: this is buggy, the platform data is needed for this MMC instance too */ OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI1_BASE, "fpga:0b", NULL), OF_DEV_AUXDATA("arm,primecell", VERSATILE_CLCD_BASE, "dev:20", &clcd_plat_data), OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART0_BASE, "dev:f1", NULL), OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART1_BASE, "dev:f2", NULL), OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART2_BASE, "dev:f3", NULL), - OF_DEV_AUXDATA("arm,primecell", VERSATILE_SSP_BASE, "dev:f4", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SSP_BASE, "dev:f4", &ssp0_plat_data), #if 0 /* diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c index d2268be8c34c..15c6a00000ec 100644 --- a/arch/arm/mach-versatile/pci.c +++ b/arch/arm/mach-versatile/pci.c @@ -303,12 +303,6 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys) } -struct pci_bus * __init pci_versatile_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, sys->busnr, &pci_versatile_ops, sys, - &sys->resources); -} - void __init pci_versatile_preinit(void) { pcibios_min_io = 0x44000000; @@ -339,19 +333,16 @@ static int __init versatile_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) * 26 1 29 * 27 1 30 */ - irq = 27 + ((slot + pin - 1) & 3); - - printk("PCI map irq: slot %d, pin %d, devslot %d, irq: %d\n",slot,pin,devslot,irq); + irq = 27 + ((slot - 24 + pin - 1) & 3); return irq; } static struct hw_pci versatile_pci __initdata = { - .swizzle = NULL, .map_irq = versatile_map_irq, .nr_controllers = 1, + .ops = &pci_versatile_ops, .setup = pci_versatile_setup, - .scan = pci_versatile_scan_bus, .preinit = pci_versatile_preinit, }; diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index 47cdcca5a7e7..04dd092211b8 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -19,8 +19,10 @@ #include <linux/clkdev.h> #include <linux/mtd/physmap.h> +#include <asm/arch_timer.h> #include <asm/mach-types.h> #include <asm/sizes.h> +#include <asm/smp_twd.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> @@ -616,7 +618,6 @@ void __init v2m_dt_init_early(void) } clkdev_add_table(v2m_dt_lookups, ARRAY_SIZE(v2m_dt_lookups)); - versatile_sched_clock_init(v2m_sysreg_base + V2M_SYS_24MHZ, 24000000); } static struct of_device_id vexpress_irq_match[] __initdata = { @@ -643,6 +644,11 @@ static void __init v2m_dt_timer_init(void) return; node = of_find_node_by_path(path); v2m_sp804_init(of_iomap(node, 0), irq_of_parse_and_map(node, 0)); + if (arch_timer_of_register() != 0) + twd_local_timer_of_register(); + + if (arch_timer_sched_clock_init() != 0) + versatile_sched_clock_init(v2m_sysreg_base + V2M_SYS_24MHZ, 24000000); } static struct sys_timer v2m_dt_timer = { diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S index ff1f7cc11f87..80741992a9fc 100644 --- a/arch/arm/mm/abort-ev6.S +++ b/arch/arm/mm/abort-ev6.S @@ -26,18 +26,23 @@ ENTRY(v6_early_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR /* - * Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR (erratum 326103). - * The test below covers all the write situations, including Java bytecodes + * Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR. */ - bic r1, r1, #1 << 11 @ clear bit 11 of FSR +#ifdef CONFIG_ARM_ERRATA_326103 + ldr ip, =0x4107b36 + mrc p15, 0, r3, c0, c0, 0 @ get processor id + teq ip, r3, lsr #4 @ r0 ARM1136? + bne do_DataAbort tst r5, #PSR_J_BIT @ Java? + tsteq r5, #PSR_T_BIT @ Thumb? bne do_DataAbort - do_thumb_abort fsr=r1, pc=r4, psr=r5, tmp=r3 - ldreq r3, [r4] @ read aborted ARM instruction + bic r1, r1, #1 << 11 @ clear bit 11 of FSR + ldr r3, [r4] @ read aborted ARM instruction #ifdef CONFIG_CPU_ENDIAN_BE8 - reveq r3, r3 + rev r3, r3 #endif do_ldrd_abort tmp=ip, insn=r3 tst r3, #1 << 20 @ L = 0 -> write orreq r1, r1, #1 << 11 @ yes. +#endif b do_DataAbort diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index a53fd2aaa2f4..2a8e380501e8 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -32,6 +32,7 @@ static void __iomem *l2x0_base; static DEFINE_RAW_SPINLOCK(l2x0_lock); static u32 l2x0_way_mask; /* Bitmask of active ways */ static u32 l2x0_size; +static unsigned long sync_reg_offset = L2X0_CACHE_SYNC; struct l2x0_regs l2x0_saved_regs; @@ -61,12 +62,7 @@ static inline void cache_sync(void) { void __iomem *base = l2x0_base; -#ifdef CONFIG_PL310_ERRATA_753970 - /* write to an unmmapped register */ - writel_relaxed(0, base + L2X0_DUMMY_REG); -#else - writel_relaxed(0, base + L2X0_CACHE_SYNC); -#endif + writel_relaxed(0, base + sync_reg_offset); cache_wait(base + L2X0_CACHE_SYNC, 1); } @@ -85,10 +81,13 @@ static inline void l2x0_inv_line(unsigned long addr) } #if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915) +static inline void debug_writel(unsigned long val) +{ + if (outer_cache.set_debug) + outer_cache.set_debug(val); +} -#define debug_writel(val) outer_cache.set_debug(val) - -static void l2x0_set_debug(unsigned long val) +static void pl310_set_debug(unsigned long val) { writel_relaxed(val, l2x0_base + L2X0_DEBUG_CTRL); } @@ -98,7 +97,7 @@ static inline void debug_writel(unsigned long val) { } -#define l2x0_set_debug NULL +#define pl310_set_debug NULL #endif #ifdef CONFIG_PL310_ERRATA_588369 @@ -331,6 +330,11 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) else ways = 8; type = "L310"; +#ifdef CONFIG_PL310_ERRATA_753970 + /* Unmapped register. */ + sync_reg_offset = L2X0_DUMMY_REG; +#endif + outer_cache.set_debug = pl310_set_debug; break; case L2X0_CACHE_ID_PART_L210: ways = (aux >> 13) & 0xf; @@ -379,7 +383,6 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) outer_cache.flush_all = l2x0_flush_all; outer_cache.inv_all = l2x0_inv_all; outer_cache.disable = l2x0_disable; - outer_cache.set_debug = l2x0_set_debug; printk(KERN_INFO "%s cache controller enabled\n", type); printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n", diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index ee9bb363d606..806cc4f63516 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -18,30 +18,39 @@ static DEFINE_RAW_SPINLOCK(cpu_asid_lock); unsigned int cpu_last_asid = ASID_FIRST_VERSION; -#ifdef CONFIG_SMP -DEFINE_PER_CPU(struct mm_struct *, current_mm); -#endif #ifdef CONFIG_ARM_LPAE -#define cpu_set_asid(asid) { \ - unsigned long ttbl, ttbh; \ - asm volatile( \ - " mrrc p15, 0, %0, %1, c2 @ read TTBR0\n" \ - " mov %1, %2, lsl #(48 - 32) @ set ASID\n" \ - " mcrr p15, 0, %0, %1, c2 @ set TTBR0\n" \ - : "=&r" (ttbl), "=&r" (ttbh) \ - : "r" (asid & ~ASID_MASK)); \ +void cpu_set_reserved_ttbr0(void) +{ + unsigned long ttbl = __pa(swapper_pg_dir); + unsigned long ttbh = 0; + + /* + * Set TTBR0 to swapper_pg_dir which contains only global entries. The + * ASID is set to 0. + */ + asm volatile( + " mcrr p15, 0, %0, %1, c2 @ set TTBR0\n" + : + : "r" (ttbl), "r" (ttbh)); + isb(); } #else -#define cpu_set_asid(asid) \ - asm(" mcr p15, 0, %0, c13, c0, 1\n" : : "r" (asid)) +void cpu_set_reserved_ttbr0(void) +{ + u32 ttb; + /* Copy TTBR1 into TTBR0 */ + asm volatile( + " mrc p15, 0, %0, c2, c0, 1 @ read TTBR1\n" + " mcr p15, 0, %0, c2, c0, 0 @ set TTBR0\n" + : "=r" (ttb)); + isb(); +} #endif /* * We fork()ed a process, and we need a new context for the child - * to run in. We reserve version 0 for initial tasks so we will - * always allocate an ASID. The ASID 0 is reserved for the TTBR - * register changing sequence. + * to run in. */ void __init_new_context(struct task_struct *tsk, struct mm_struct *mm) { @@ -51,9 +60,7 @@ void __init_new_context(struct task_struct *tsk, struct mm_struct *mm) static void flush_context(void) { - /* set the reserved ASID before flushing the TLB */ - cpu_set_asid(0); - isb(); + cpu_set_reserved_ttbr0(); local_flush_tlb_all(); if (icache_is_vivt_asid_tagged()) { __flush_icache_all(); @@ -98,14 +105,7 @@ static void reset_context(void *info) { unsigned int asid; unsigned int cpu = smp_processor_id(); - struct mm_struct *mm = per_cpu(current_mm, cpu); - - /* - * Check if a current_mm was set on this CPU as it might still - * be in the early booting stages and using the reserved ASID. - */ - if (!mm) - return; + struct mm_struct *mm = current->active_mm; smp_rmb(); asid = cpu_last_asid + cpu + 1; @@ -114,8 +114,7 @@ static void reset_context(void *info) set_mm_context(mm, asid); /* set the new ASID */ - cpu_set_asid(mm->context.id); - isb(); + cpu_switch_mm(mm->pgd, mm); } #else diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index f07467533365..5bb48356d217 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -247,7 +247,9 @@ good_area: return handle_mm_fault(mm, vma, addr & PAGE_MASK, flags); check_stack: - if (vma->vm_flags & VM_GROWSDOWN && !expand_stack(vma, addr)) + /* Don't allow expansion below FIRST_USER_ADDRESS */ + if (vma->vm_flags & VM_GROWSDOWN && + addr >= FIRST_USER_ADDRESS && !expand_stack(vma, addr)) goto good_area; out: return fault; diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 595079fa9d1d..8f5813bbffb5 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -293,11 +293,11 @@ EXPORT_SYMBOL(pfn_valid); #endif #ifndef CONFIG_SPARSEMEM -static void arm_memory_present(void) +static void __init arm_memory_present(void) { } #else -static void arm_memory_present(void) +static void __init arm_memory_present(void) { struct memblock_region *reg; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index b86f8933ff91..aa78de8bfdd3 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -489,7 +489,8 @@ static void __init build_mem_type_table(void) */ for (i = 0; i < ARRAY_SIZE(mem_types); i++) { mem_types[i].prot_pte |= PTE_EXT_AF; - mem_types[i].prot_sect |= PMD_SECT_AF; + if (mem_types[i].prot_sect) + mem_types[i].prot_sect |= PMD_SECT_AF; } kern_pgprot |= PTE_EXT_AF; vecs_pgprot |= PTE_EXT_AF; @@ -618,8 +619,8 @@ static void __init alloc_init_section(pud_t *pud, unsigned long addr, } } -static void alloc_init_pud(pgd_t *pgd, unsigned long addr, unsigned long end, - unsigned long phys, const struct mem_type *type) +static void __init alloc_init_pud(pgd_t *pgd, unsigned long addr, + unsigned long end, unsigned long phys, const struct mem_type *type) { pud_t *pud = pud_offset(pgd, addr); unsigned long next; diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S index 3a4b3e7b888c..42ac069c8012 100644 --- a/arch/arm/mm/proc-v7-2level.S +++ b/arch/arm/mm/proc-v7-2level.S @@ -49,15 +49,10 @@ ENTRY(cpu_v7_switch_mm) #ifdef CONFIG_ARM_ERRATA_754322 dsb #endif - mcr p15, 0, r2, c13, c0, 1 @ set reserved context ID - isb -1: mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 - isb -#ifdef CONFIG_ARM_ERRATA_754322 - dsb -#endif mcr p15, 0, r1, c13, c0, 1 @ set context ID isb + mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 + isb #endif mov pc, lr ENDPROC(cpu_v7_switch_mm) diff --git a/arch/arm/plat-iop/pci.c b/arch/arm/plat-iop/pci.c index 0da42058a20f..8daae9b230ea 100644 --- a/arch/arm/plat-iop/pci.c +++ b/arch/arm/plat-iop/pci.c @@ -160,7 +160,7 @@ iop3xx_write_config(struct pci_bus *bus, unsigned int devfn, int where, return PCIBIOS_SUCCESSFUL; } -static struct pci_ops iop3xx_ops = { +struct pci_ops iop3xx_ops = { .read = iop3xx_read_config, .write = iop3xx_write_config, }; @@ -220,12 +220,6 @@ int iop3xx_pci_setup(int nr, struct pci_sys_data *sys) return 1; } -struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_root_bus(NULL, sys->busnr, &iop3xx_ops, sys, - &sys->resources); -} - void __init iop3xx_atu_setup(void) { /* BAR 0 ( Disabled ) */ diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index ecdb3da0dea9..c58d896cd5c3 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -916,6 +916,13 @@ void omap_start_dma(int lch) l |= OMAP_DMA_CCR_BUFFERING_DISABLE; l |= OMAP_DMA_CCR_EN; + /* + * As dma_write() uses IO accessors which are weakly ordered, there + * is no guarantee that data in coherent DMA memory will be visible + * to the DMA device. Add a memory barrier here to ensure that any + * such data is visible prior to enabling DMA. + */ + mb(); p->dma_write(l, CCR, lch); dma_chan[lch].flags |= OMAP_DMA_ACTIVE; @@ -965,6 +972,13 @@ void omap_stop_dma(int lch) p->dma_write(l, CCR, lch); } + /* + * Ensure that data transferred by DMA is visible to any access + * after DMA has been disabled. This is important for coherent + * DMA regions. + */ + mb(); + if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { int next_lch, cur_lch = lch; char dma_chan_link_map[dma_lch_count]; diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index 8070145ccb98..3f26db4ee8e6 100644 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h @@ -305,6 +305,7 @@ struct omap_hwmod_sysc_fields { * @rev_offs: IP block revision register offset (from module base addr) * @sysc_offs: OCP_SYSCONFIG register offset (from module base addr) * @syss_offs: OCP_SYSSTATUS register offset (from module base addr) + * @srst_udelay: Delay needed after doing a softreset in usecs * @idlemodes: One or more of {SIDLE,MSTANDBY}_{OFF,FORCE,SMART} * @sysc_flags: SYS{C,S}_HAS* flags indicating SYSCONFIG bits supported * @clockact: the default value of the module CLOCKACTIVITY bits @@ -330,9 +331,10 @@ struct omap_hwmod_class_sysconfig { u16 sysc_offs; u16 syss_offs; u16 sysc_flags; + struct omap_hwmod_sysc_fields *sysc_fields; + u8 srst_udelay; u8 idlemodes; u8 clockact; - struct omap_hwmod_sysc_fields *sysc_fields; }; /** diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index eec98afa0f83..f9a8c5341ee9 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -348,7 +348,6 @@ u32 omap3_configure_core_dpll(u32 m2, u32 unlock_dll, u32 f, u32 inc, sdrc_actim_ctrl_b_1, sdrc_mr_1); } -#ifdef CONFIG_PM void omap3_sram_restore_context(void) { omap_sram_ceil = omap_sram_base + omap_sram_size; @@ -358,17 +357,18 @@ void omap3_sram_restore_context(void) omap3_sram_configure_core_dpll_sz); omap_push_sram_idle(); } -#endif /* CONFIG_PM */ - -#endif /* CONFIG_ARCH_OMAP3 */ static inline int omap34xx_sram_init(void) { -#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM) omap3_sram_restore_context(); -#endif return 0; } +#else +static inline int omap34xx_sram_init(void) +{ + return 0; +} +#endif /* CONFIG_ARCH_OMAP3 */ static inline int am33xx_sram_init(void) { diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h index 317e246ffc56..e834c5ef437c 100644 --- a/arch/arm/plat-samsung/include/plat/sdhci.h +++ b/arch/arm/plat-samsung/include/plat/sdhci.h @@ -18,6 +18,8 @@ #ifndef __PLAT_S3C_SDHCI_H #define __PLAT_S3C_SDHCI_H __FILE__ +#include <plat/devs.h> + struct platform_device; struct mmc_host; struct mmc_card; @@ -356,4 +358,30 @@ static inline void exynos4_default_sdhci3(void) { } #endif /* CONFIG_EXYNOS4_SETUP_SDHCI */ +static inline void s3c_sdhci_setname(int id, char *name) +{ + switch (id) { +#ifdef CONFIG_S3C_DEV_HSMMC + case 0: + s3c_device_hsmmc0.name = name; + break; +#endif +#ifdef CONFIG_S3C_DEV_HSMMC1 + case 1: + s3c_device_hsmmc1.name = name; + break; +#endif +#ifdef CONFIG_S3C_DEV_HSMMC2 + case 2: + s3c_device_hsmmc2.name = name; + break; +#endif +#ifdef CONFIG_S3C_DEV_HSMMC3 + case 3: + s3c_device_hsmmc3.name = name; + break; +#endif + } +} + #endif /* __PLAT_S3C_SDHCI_H */ diff --git a/arch/arm/plat-versatile/Kconfig b/arch/arm/plat-versatile/Kconfig index 043f7b02a9e7..81ee7cc34457 100644 --- a/arch/arm/plat-versatile/Kconfig +++ b/arch/arm/plat-versatile/Kconfig @@ -5,6 +5,12 @@ config PLAT_VERSATILE_CLCD config PLAT_VERSATILE_FPGA_IRQ bool + select IRQ_DOMAIN + +config PLAT_VERSATILE_FPGA_IRQ_NR + int + default 4 + depends on PLAT_VERSATILE_FPGA_IRQ config PLAT_VERSATILE_LEDS def_bool y if LEDS_CLASS diff --git a/arch/arm/plat-versatile/fpga-irq.c b/arch/arm/plat-versatile/fpga-irq.c index f0cc8e19b094..6e70d03824a1 100644 --- a/arch/arm/plat-versatile/fpga-irq.c +++ b/arch/arm/plat-versatile/fpga-irq.c @@ -3,7 +3,10 @@ */ #include <linux/irq.h> #include <linux/io.h> +#include <linux/irqdomain.h> +#include <linux/module.h> +#include <asm/exception.h> #include <asm/mach/irq.h> #include <plat/fpga-irq.h> @@ -12,10 +15,32 @@ #define IRQ_ENABLE_SET 0x08 #define IRQ_ENABLE_CLEAR 0x0c +/** + * struct fpga_irq_data - irq data container for the FPGA IRQ controller + * @base: memory offset in virtual memory + * @irq_start: first IRQ number handled by this instance + * @chip: chip container for this instance + * @domain: IRQ domain for this instance + * @valid: mask for valid IRQs on this controller + * @used_irqs: number of active IRQs on this controller + */ +struct fpga_irq_data { + void __iomem *base; + unsigned int irq_start; + struct irq_chip chip; + u32 valid; + struct irq_domain *domain; + u8 used_irqs; +}; + +/* we cannot allocate memory when the controllers are initially registered */ +static struct fpga_irq_data fpga_irq_devices[CONFIG_PLAT_VERSATILE_FPGA_IRQ_NR]; +static int fpga_irq_id; + static void fpga_irq_mask(struct irq_data *d) { struct fpga_irq_data *f = irq_data_get_irq_chip_data(d); - u32 mask = 1 << (d->irq - f->irq_start); + u32 mask = 1 << d->hwirq; writel(mask, f->base + IRQ_ENABLE_CLEAR); } @@ -23,7 +48,7 @@ static void fpga_irq_mask(struct irq_data *d) static void fpga_irq_unmask(struct irq_data *d) { struct fpga_irq_data *f = irq_data_get_irq_chip_data(d); - u32 mask = 1 << (d->irq - f->irq_start); + u32 mask = 1 << d->hwirq; writel(mask, f->base + IRQ_ENABLE_SET); } @@ -41,32 +66,93 @@ static void fpga_irq_handle(unsigned int irq, struct irq_desc *desc) do { irq = ffs(status) - 1; status &= ~(1 << irq); - - generic_handle_irq(irq + f->irq_start); + generic_handle_irq(irq_find_mapping(f->domain, irq)); } while (status); } -void __init fpga_irq_init(int parent_irq, u32 valid, struct fpga_irq_data *f) +/* + * Handle each interrupt in a single FPGA IRQ controller. Returns non-zero + * if we've handled at least one interrupt. This does a single read of the + * status register and handles all interrupts in order from LSB first. + */ +static int handle_one_fpga(struct fpga_irq_data *f, struct pt_regs *regs) +{ + int handled = 0; + int irq; + u32 status; + + while ((status = readl(f->base + IRQ_STATUS))) { + irq = ffs(status) - 1; + handle_IRQ(irq_find_mapping(f->domain, irq), regs); + handled = 1; + } + + return handled; +} + +/* + * Keep iterating over all registered FPGA IRQ controllers until there are + * no pending interrupts. + */ +asmlinkage void __exception_irq_entry fpga_handle_irq(struct pt_regs *regs) { - unsigned int i; + int i, handled; + do { + for (i = 0, handled = 0; i < fpga_irq_id; ++i) + handled |= handle_one_fpga(&fpga_irq_devices[i], regs); + } while (handled); +} + +static int fpga_irqdomain_map(struct irq_domain *d, unsigned int irq, + irq_hw_number_t hwirq) +{ + struct fpga_irq_data *f = d->host_data; + + /* Skip invalid IRQs, only register handlers for the real ones */ + if (!(f->valid & (1 << hwirq))) + return -ENOTSUPP; + irq_set_chip_data(irq, f); + irq_set_chip_and_handler(irq, &f->chip, + handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + f->used_irqs++; + return 0; +} + +static struct irq_domain_ops fpga_irqdomain_ops = { + .map = fpga_irqdomain_map, + .xlate = irq_domain_xlate_onetwocell, +}; + +void __init fpga_irq_init(void __iomem *base, const char *name, int irq_start, + int parent_irq, u32 valid, struct device_node *node) +{ + struct fpga_irq_data *f; + + if (fpga_irq_id >= ARRAY_SIZE(fpga_irq_devices)) { + printk(KERN_ERR "%s: too few FPGA IRQ controllers, increase CONFIG_PLAT_VERSATILE_FPGA_IRQ_NR\n", __func__); + return; + } + + f = &fpga_irq_devices[fpga_irq_id]; + f->base = base; + f->irq_start = irq_start; + f->chip.name = name; f->chip.irq_ack = fpga_irq_mask; f->chip.irq_mask = fpga_irq_mask; f->chip.irq_unmask = fpga_irq_unmask; + f->valid = valid; if (parent_irq != -1) { irq_set_handler_data(parent_irq, f); irq_set_chained_handler(parent_irq, fpga_irq_handle); } - for (i = 0; i < 32; i++) { - if (valid & (1 << i)) { - unsigned int irq = f->irq_start + i; + f->domain = irq_domain_add_legacy(node, fls(valid), f->irq_start, 0, + &fpga_irqdomain_ops, f); + pr_info("FPGA IRQ chip %d \"%s\" @ %p, %u irqs\n", + fpga_irq_id, name, base, f->used_irqs); - irq_set_chip_data(irq, f); - irq_set_chip_and_handler(irq, &f->chip, - handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); - } - } + fpga_irq_id++; } diff --git a/arch/arm/plat-versatile/include/plat/fpga-irq.h b/arch/arm/plat-versatile/include/plat/fpga-irq.h index 627fafd1e595..91bcfb67551d 100644 --- a/arch/arm/plat-versatile/include/plat/fpga-irq.h +++ b/arch/arm/plat-versatile/include/plat/fpga-irq.h @@ -1,12 +1,11 @@ #ifndef PLAT_FPGA_IRQ_H #define PLAT_FPGA_IRQ_H -struct fpga_irq_data { - void __iomem *base; - unsigned int irq_start; - struct irq_chip chip; -}; +struct device_node; +struct pt_regs; -void fpga_irq_init(int, u32, struct fpga_irq_data *); +void fpga_handle_irq(struct pt_regs *regs); +void fpga_irq_init(void __iomem *, const char *, int, int, u32, + struct device_node *node); #endif diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 858748eaa144..b0197b2c857d 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -11,12 +11,15 @@ #include <linux/types.h> #include <linux/cpu.h> #include <linux/cpu_pm.h> +#include <linux/hardirq.h> #include <linux/kernel.h> #include <linux/notifier.h> #include <linux/signal.h> #include <linux/sched.h> #include <linux/smp.h> #include <linux/init.h> +#include <linux/uaccess.h> +#include <linux/user.h> #include <asm/cp15.h> #include <asm/cputype.h> @@ -430,7 +433,10 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs) static void vfp_enable(void *unused) { - u32 access = get_copro_access(); + u32 access; + + BUG_ON(preemptible()); + access = get_copro_access(); /* * Enable full access to VFP (cp10 and cp11) @@ -529,6 +535,93 @@ void vfp_flush_hwstate(struct thread_info *thread) } /* + * Save the current VFP state into the provided structures and prepare + * for entry into a new function (signal handler). + */ +int vfp_preserve_user_clear_hwstate(struct user_vfp __user *ufp, + struct user_vfp_exc __user *ufp_exc) +{ + struct thread_info *thread = current_thread_info(); + struct vfp_hard_struct *hwstate = &thread->vfpstate.hard; + int err = 0; + + /* Ensure that the saved hwstate is up-to-date. */ + vfp_sync_hwstate(thread); + + /* + * Copy the floating point registers. There can be unused + * registers see asm/hwcap.h for details. + */ + err |= __copy_to_user(&ufp->fpregs, &hwstate->fpregs, + sizeof(hwstate->fpregs)); + /* + * Copy the status and control register. + */ + __put_user_error(hwstate->fpscr, &ufp->fpscr, err); + + /* + * Copy the exception registers. + */ + __put_user_error(hwstate->fpexc, &ufp_exc->fpexc, err); + __put_user_error(hwstate->fpinst, &ufp_exc->fpinst, err); + __put_user_error(hwstate->fpinst2, &ufp_exc->fpinst2, err); + + if (err) + return -EFAULT; + + /* Ensure that VFP is disabled. */ + vfp_flush_hwstate(thread); + + /* + * As per the PCS, clear the length and stride bits for function + * entry. + */ + hwstate->fpscr &= ~(FPSCR_LENGTH_MASK | FPSCR_STRIDE_MASK); + return 0; +} + +/* Sanitise and restore the current VFP state from the provided structures. */ +int vfp_restore_user_hwstate(struct user_vfp __user *ufp, + struct user_vfp_exc __user *ufp_exc) +{ + struct thread_info *thread = current_thread_info(); + struct vfp_hard_struct *hwstate = &thread->vfpstate.hard; + unsigned long fpexc; + int err = 0; + + /* Disable VFP to avoid corrupting the new thread state. */ + vfp_flush_hwstate(thread); + + /* + * Copy the floating point registers. There can be unused + * registers see asm/hwcap.h for details. + */ + err |= __copy_from_user(&hwstate->fpregs, &ufp->fpregs, + sizeof(hwstate->fpregs)); + /* + * Copy the status and control register. + */ + __get_user_error(hwstate->fpscr, &ufp->fpscr, err); + + /* + * Sanitise and restore the exception registers. + */ + __get_user_error(fpexc, &ufp_exc->fpexc, err); + + /* Ensure the VFP is enabled. */ + fpexc |= FPEXC_EN; + + /* Ensure FPINST2 is invalid and the exception flag is cleared. */ + fpexc &= ~(FPEXC_EX | FPEXC_FP2V); + hwstate->fpexc = fpexc; + + __get_user_error(hwstate->fpinst, &ufp_exc->fpinst, err); + __get_user_error(hwstate->fpinst2, &ufp_exc->fpinst2, err); + + return err ? -EFAULT : 0; +} + +/* * VFP hardware can lose all context when a CPU goes offline. * As we will be running in SMP mode with CPU hotplug, we will save the * hardware state at every thread switch. We clear our held state when @@ -558,7 +651,7 @@ static int __init vfp_init(void) unsigned int cpu_arch = cpu_architecture(); if (cpu_arch >= CPU_ARCH_ARMv6) - vfp_enable(NULL); + on_each_cpu(vfp_enable, NULL, 1); /* * First check that there is a VFP that we can use. @@ -579,8 +672,6 @@ static int __init vfp_init(void) } else { hotcpu_notifier(vfp_hotplug, 0); - smp_call_function(vfp_enable, NULL, 1); - VFP_arch = (vfpsid & FPSID_ARCH_MASK) >> FPSID_ARCH_BIT; /* Extract the architecture version */ printk("implementor %02x architecture %d part %02x variant %x rev %x\n", (vfpsid & FPSID_IMPLEMENTER_MASK) >> FPSID_IMPLEMENTER_BIT, |