diff options
Diffstat (limited to 'arch')
106 files changed, 436 insertions, 662 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 24626b0419ee..a48aecc17eac 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -754,7 +754,7 @@ config ARCH_SA1100 select ARCH_HAS_CPUFREQ select CPU_FREQ select GENERIC_CLOCKEVENTS - select CLKDEV_LOOKUP + select HAVE_CLK select HAVE_SCHED_CLOCK select TICK_ONESHOT select ARCH_REQUIRE_GPIOLIB @@ -825,7 +825,6 @@ config ARCH_S5PC100 select HAVE_CLK select CLKDEV_LOOKUP select CPU_V7 - select ARM_L1_CACHE_SHIFT_6 select ARCH_USES_GETTIMEOFFSET select HAVE_S3C2410_I2C if I2C select HAVE_S3C_RTC if RTC_CLASS @@ -842,7 +841,6 @@ config ARCH_S5PV210 select HAVE_CLK select CLKDEV_LOOKUP select CLKSRC_MMIO - select ARM_L1_CACHE_SHIFT_6 select ARCH_HAS_CPUFREQ select GENERIC_CLOCKEVENTS select HAVE_SCHED_CLOCK diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index b2dc2dd7f1df..c47d6199b784 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -41,6 +41,7 @@ #include <asm/irq.h> #include <asm/exception.h> +#include <asm/smp_plat.h> #include <asm/mach/irq.h> #include <asm/hardware/gic.h> @@ -352,11 +353,7 @@ static void __init gic_dist_init(struct gic_chip_data *gic) unsigned int gic_irqs = gic->gic_irqs; struct irq_domain *domain = &gic->domain; void __iomem *base = gic_data_dist_base(gic); - u32 cpu = 0; - -#ifdef CONFIG_SMP - cpu = cpu_logical_map(smp_processor_id()); -#endif + u32 cpu = cpu_logical_map(smp_processor_id()); cpumask = 1 << cpu; cpumask |= cpumask << 8; diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index b6e65dedfd71..62f8095d46de 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -237,7 +237,7 @@ */ #ifdef CONFIG_THUMB2_KERNEL - .macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=T() + .macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=TUSER() 9999: .if \inc == 1 \instr\cond\()b\()\t\().w \reg, [\ptr, #\off] @@ -277,7 +277,7 @@ #else /* !CONFIG_THUMB2_KERNEL */ - .macro usracc, instr, reg, ptr, inc, cond, rept, abort, t=T() + .macro usracc, instr, reg, ptr, inc, cond, rept, abort, t=TUSER() .rept \rept 9999: .if \inc == 1 diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h index af18ceaacf5d..b5dc173d336f 100644 --- a/arch/arm/include/asm/domain.h +++ b/arch/arm/include/asm/domain.h @@ -83,9 +83,9 @@ * instructions (inline assembly) */ #ifdef CONFIG_CPU_USE_DOMAINS -#define T(instr) #instr "t" +#define TUSER(instr) #instr "t" #else -#define T(instr) #instr +#define TUSER(instr) #instr #endif #else /* __ASSEMBLY__ */ @@ -95,9 +95,9 @@ * instructions */ #ifdef CONFIG_CPU_USE_DOMAINS -#define T(instr) instr ## t +#define TUSER(instr) instr ## t #else -#define T(instr) instr +#define TUSER(instr) instr #endif #endif /* __ASSEMBLY__ */ diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h index 253cc86318bf..7be54690aeec 100644 --- a/arch/arm/include/asm/futex.h +++ b/arch/arm/include/asm/futex.h @@ -75,9 +75,9 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, #define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \ __asm__ __volatile__( \ - "1: " T(ldr) " %1, [%3]\n" \ + "1: " TUSER(ldr) " %1, [%3]\n" \ " " insn "\n" \ - "2: " T(str) " %0, [%3]\n" \ + "2: " TUSER(str) " %0, [%3]\n" \ " mov %0, #0\n" \ __futex_atomic_ex_table("%5") \ : "=&r" (ret), "=&r" (oldval), "=&r" (tmp) \ @@ -95,10 +95,10 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, return -EFAULT; __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" - "1: " T(ldr) " %1, [%4]\n" + "1: " TUSER(ldr) " %1, [%4]\n" " teq %1, %2\n" " it eq @ explicit IT needed for the 2b label\n" - "2: " T(streq) " %3, [%4]\n" + "2: " TUSER(streq) " %3, [%4]\n" __futex_atomic_ex_table("%5") : "+r" (ret), "=&r" (val) : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT) diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h index 1e5717afc4ac..ae29293270a3 100644 --- a/arch/arm/include/asm/smp.h +++ b/arch/arm/include/asm/smp.h @@ -71,12 +71,6 @@ extern void platform_secondary_init(unsigned int cpu); extern void platform_smp_prepare_cpus(unsigned int); /* - * Logical CPU mapping. - */ -extern int __cpu_logical_map[NR_CPUS]; -#define cpu_logical_map(cpu) __cpu_logical_map[cpu] - -/* * Initial data for bringing up a secondary CPU. */ struct secondary_data { diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h index f24c1b9e211d..558d6c80aca9 100644 --- a/arch/arm/include/asm/smp_plat.h +++ b/arch/arm/include/asm/smp_plat.h @@ -43,4 +43,10 @@ static inline int cache_ops_need_broadcast(void) } #endif +/* + * Logical CPU mapping. + */ +extern int __cpu_logical_map[]; +#define cpu_logical_map(cpu) __cpu_logical_map[cpu] + #endif diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index b293616a1a1a..2958976d867b 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -227,7 +227,7 @@ do { \ #define __get_user_asm_byte(x,addr,err) \ __asm__ __volatile__( \ - "1: " T(ldrb) " %1,[%2],#0\n" \ + "1: " TUSER(ldrb) " %1,[%2],#0\n" \ "2:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ @@ -263,7 +263,7 @@ do { \ #define __get_user_asm_word(x,addr,err) \ __asm__ __volatile__( \ - "1: " T(ldr) " %1,[%2],#0\n" \ + "1: " TUSER(ldr) " %1,[%2],#0\n" \ "2:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ @@ -308,7 +308,7 @@ do { \ #define __put_user_asm_byte(x,__pu_addr,err) \ __asm__ __volatile__( \ - "1: " T(strb) " %1,[%2],#0\n" \ + "1: " TUSER(strb) " %1,[%2],#0\n" \ "2:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ @@ -341,7 +341,7 @@ do { \ #define __put_user_asm_word(x,__pu_addr,err) \ __asm__ __volatile__( \ - "1: " T(str) " %1,[%2],#0\n" \ + "1: " TUSER(str) " %1,[%2],#0\n" \ "2:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ @@ -366,10 +366,10 @@ do { \ #define __put_user_asm_dword(x,__pu_addr,err) \ __asm__ __volatile__( \ - ARM( "1: " T(str) " " __reg_oper1 ", [%1], #4\n" ) \ - ARM( "2: " T(str) " " __reg_oper0 ", [%1]\n" ) \ - THUMB( "1: " T(str) " " __reg_oper1 ", [%1]\n" ) \ - THUMB( "2: " T(str) " " __reg_oper0 ", [%1, #4]\n" ) \ + ARM( "1: " TUSER(str) " " __reg_oper1 ", [%1], #4\n" ) \ + ARM( "2: " TUSER(str) " " __reg_oper0 ", [%1]\n" ) \ + THUMB( "1: " TUSER(str) " " __reg_oper1 ", [%1]\n" ) \ + THUMB( "2: " TUSER(str) " " __reg_oper0 ", [%1, #4]\n" ) \ "3:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 520889cf1b5b..9fd0ba90c1d2 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -149,6 +149,11 @@ ENDPROC(ret_from_fork) #endif #endif +.macro mcount_adjust_addr rd, rn + bic \rd, \rn, #1 @ clear the Thumb bit if present + sub \rd, \rd, #MCOUNT_INSN_SIZE +.endm + .macro __mcount suffix mcount_enter ldr r0, =ftrace_trace_function @@ -173,8 +178,7 @@ ENDPROC(ret_from_fork) mcount_exit 1: mcount_get_lr r1 @ lr of instrumented func - mov r0, lr @ instrumented function - sub r0, r0, #MCOUNT_INSN_SIZE + mcount_adjust_addr r0, lr @ instrumented function adr lr, BSYM(2f) mov pc, r2 2: mcount_exit @@ -184,8 +188,7 @@ ENDPROC(ret_from_fork) mcount_enter mcount_get_lr r1 @ lr of instrumented func - mov r0, lr @ instrumented function - sub r0, r0, #MCOUNT_INSN_SIZE + mcount_adjust_addr r0, lr @ instrumented function .globl ftrace_call\suffix ftrace_call\suffix: @@ -205,11 +208,11 @@ ftrace_graph_call\suffix: #ifdef CONFIG_DYNAMIC_FTRACE @ called from __ftrace_caller, saved in mcount_enter ldr r1, [sp, #16] @ instrumented routine (func) + mcount_adjust_addr r1, r1 #else @ called from __mcount, untouched in lr - mov r1, lr @ instrumented routine (func) + mcount_adjust_addr r1, lr @ instrumented routine (func) #endif - sub r1, r1, #MCOUNT_INSN_SIZE mov r2, fp @ frame pointer bl prepare_ftrace_return mcount_exit diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 129fbd55bde8..a255c39612ca 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -21,7 +21,6 @@ #include <linux/init.h> #include <linux/kexec.h> #include <linux/of_fdt.h> -#include <linux/crash_dump.h> #include <linux/root_dev.h> #include <linux/cpu.h> #include <linux/interrupt.h> @@ -160,7 +159,7 @@ static struct resource mem_res[] = { .flags = IORESOURCE_MEM }, { - .name = "Kernel text", + .name = "Kernel code", .start = 0, .end = 0, .flags = IORESOURCE_MEM @@ -427,6 +426,20 @@ void cpu_init(void) : "r14"); } +int __cpu_logical_map[NR_CPUS]; + +void __init smp_setup_processor_id(void) +{ + int i; + u32 cpu = is_smp() ? read_cpuid_mpidr() & 0xff : 0; + + cpu_logical_map(0) = cpu; + for (i = 1; i < NR_CPUS; ++i) + cpu_logical_map(i) = i == cpu ? 0 : i; + + printk(KERN_INFO "Booting Linux on physical CPU %d\n", cpu); +} + static void __init setup_processor(void) { struct proc_info_list *list; diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 57db122a4f62..cdeb727527d3 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -233,20 +233,6 @@ void __ref cpu_die(void) } #endif /* CONFIG_HOTPLUG_CPU */ -int __cpu_logical_map[NR_CPUS]; - -void __init smp_setup_processor_id(void) -{ - int i; - u32 cpu = is_smp() ? read_cpuid_mpidr() & 0xff : 0; - - cpu_logical_map(0) = cpu; - for (i = 1; i < NR_CPUS; ++i) - cpu_logical_map(i) = i == cpu ? 0 : i; - - printk(KERN_INFO "Booting Linux on physical CPU %d\n", cpu); -} - /* * Called by both boot and secondaries to move global data into * per-processor storage. @@ -443,9 +429,7 @@ static DEFINE_PER_CPU(struct clock_event_device, percpu_clockevent); static void ipi_timer(void) { struct clock_event_device *evt = &__get_cpu_var(percpu_clockevent); - irq_enter(); evt->event_handler(evt); - irq_exit(); } #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST @@ -548,7 +532,9 @@ void handle_IPI(int ipinr, struct pt_regs *regs) switch (ipinr) { case IPI_TIMER: + irq_enter(); ipi_timer(); + irq_exit(); break; case IPI_RESCHEDULE: @@ -556,15 +542,21 @@ void handle_IPI(int ipinr, struct pt_regs *regs) break; case IPI_CALL_FUNC: + irq_enter(); generic_smp_call_function_interrupt(); + irq_exit(); break; case IPI_CALL_FUNC_SINGLE: + irq_enter(); generic_smp_call_function_single_interrupt(); + irq_exit(); break; case IPI_CPU_STOP: + irq_enter(); ipi_cpu_stop(cpu); + irq_exit(); break; default: diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index c8e938553d47..4285daa077b0 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -252,6 +252,8 @@ void __cpuinit twd_timer_setup(struct clock_event_device *clk) else twd_calibrate_rate(); + __raw_writel(0, twd_base + TWD_TIMER_CONTROL); + clk->name = "local_timer"; clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_C3STOP; diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index f76e75548670..1e19691e0406 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -4,6 +4,7 @@ */ #include <asm-generic/vmlinux.lds.h> +#include <asm/cache.h> #include <asm/thread_info.h> #include <asm/memory.h> #include <asm/page.h> @@ -181,7 +182,7 @@ SECTIONS } #endif - PERCPU_SECTION(32) + PERCPU_SECTION(L1_CACHE_BYTES) #ifdef CONFIG_XIP_KERNEL __data_loc = ALIGN(4); /* location in binary */ @@ -212,13 +213,13 @@ SECTIONS #endif NOSAVE_DATA - CACHELINE_ALIGNED_DATA(32) - READ_MOSTLY_DATA(32) + CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) + READ_MOSTLY_DATA(L1_CACHE_BYTES) /* * The exception fixup table (might need resorting at runtime) */ - . = ALIGN(32); + . = ALIGN(4); __start___ex_table = .; #ifdef CONFIG_MMU *(__ex_table) diff --git a/arch/arm/lib/getuser.S b/arch/arm/lib/getuser.S index 1b049cd7a49a..11093a7c3e32 100644 --- a/arch/arm/lib/getuser.S +++ b/arch/arm/lib/getuser.S @@ -31,18 +31,18 @@ #include <asm/domain.h> ENTRY(__get_user_1) -1: T(ldrb) r2, [r0] +1: TUSER(ldrb) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__get_user_1) ENTRY(__get_user_2) #ifdef CONFIG_THUMB2_KERNEL -2: T(ldrb) r2, [r0] -3: T(ldrb) r3, [r0, #1] +2: TUSER(ldrb) r2, [r0] +3: TUSER(ldrb) r3, [r0, #1] #else -2: T(ldrb) r2, [r0], #1 -3: T(ldrb) r3, [r0] +2: TUSER(ldrb) r2, [r0], #1 +3: TUSER(ldrb) r3, [r0] #endif #ifndef __ARMEB__ orr r2, r2, r3, lsl #8 @@ -54,7 +54,7 @@ ENTRY(__get_user_2) ENDPROC(__get_user_2) ENTRY(__get_user_4) -4: T(ldr) r2, [r0] +4: TUSER(ldr) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__get_user_4) diff --git a/arch/arm/lib/putuser.S b/arch/arm/lib/putuser.S index c023fc11e86c..7db25990c589 100644 --- a/arch/arm/lib/putuser.S +++ b/arch/arm/lib/putuser.S @@ -31,7 +31,7 @@ #include <asm/domain.h> ENTRY(__put_user_1) -1: T(strb) r2, [r0] +1: TUSER(strb) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__put_user_1) @@ -40,19 +40,19 @@ ENTRY(__put_user_2) mov ip, r2, lsr #8 #ifdef CONFIG_THUMB2_KERNEL #ifndef __ARMEB__ -2: T(strb) r2, [r0] -3: T(strb) ip, [r0, #1] +2: TUSER(strb) r2, [r0] +3: TUSER(strb) ip, [r0, #1] #else -2: T(strb) ip, [r0] -3: T(strb) r2, [r0, #1] +2: TUSER(strb) ip, [r0] +3: TUSER(strb) r2, [r0, #1] #endif #else /* !CONFIG_THUMB2_KERNEL */ #ifndef __ARMEB__ -2: T(strb) r2, [r0], #1 -3: T(strb) ip, [r0] +2: TUSER(strb) r2, [r0], #1 +3: TUSER(strb) ip, [r0] #else -2: T(strb) ip, [r0], #1 -3: T(strb) r2, [r0] +2: TUSER(strb) ip, [r0], #1 +3: TUSER(strb) r2, [r0] #endif #endif /* CONFIG_THUMB2_KERNEL */ mov r0, #0 @@ -60,18 +60,18 @@ ENTRY(__put_user_2) ENDPROC(__put_user_2) ENTRY(__put_user_4) -4: T(str) r2, [r0] +4: TUSER(str) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__put_user_4) ENTRY(__put_user_8) #ifdef CONFIG_THUMB2_KERNEL -5: T(str) r2, [r0] -6: T(str) r3, [r0, #4] +5: TUSER(str) r2, [r0] +6: TUSER(str) r3, [r0, #4] #else -5: T(str) r2, [r0], #4 -6: T(str) r3, [r0] +5: TUSER(str) r2, [r0], #4 +6: TUSER(str) r3, [r0] #endif mov r0, #0 mov pc, lr diff --git a/arch/arm/lib/uaccess.S b/arch/arm/lib/uaccess.S index d0ece2aeb70d..5c908b1cb8ed 100644 --- a/arch/arm/lib/uaccess.S +++ b/arch/arm/lib/uaccess.S @@ -32,11 +32,11 @@ rsb ip, ip, #4 cmp ip, #2 ldrb r3, [r1], #1 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #1 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault sub r2, r2, ip b .Lc2u_dest_aligned @@ -59,7 +59,7 @@ ENTRY(__copy_to_user) addmi ip, r2, #4 bmi .Lc2u_0nowords ldr r3, [r1], #4 -USER( T(str) r3, [r0], #4) @ May fault +USER( TUSER( str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -88,18 +88,18 @@ USER( T(str) r3, [r0], #4) @ May fault stmneia r0!, {r3 - r4} @ Shouldnt fault tst ip, #4 ldrne r3, [r1], #4 - T(strne) r3, [r0], #4 @ Shouldnt fault + TUSER( strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_0fupi .Lc2u_0nowords: teq ip, #0 beq .Lc2u_finished .Lc2u_nowords: cmp ip, #2 ldrb r3, [r1], #1 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #1 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_not_enough: @@ -120,7 +120,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault mov r3, r7, pull #8 ldr r7, [r1], #4 orr r3, r3, r7, push #24 -USER( T(str) r3, [r0], #4) @ May fault +USER( TUSER( str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -155,18 +155,18 @@ USER( T(str) r3, [r0], #4) @ May fault movne r3, r7, pull #8 ldrne r7, [r1], #4 orrne r3, r3, r7, push #24 - T(strne) r3, [r0], #4 @ Shouldnt fault + TUSER( strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_1fupi .Lc2u_1nowords: mov r3, r7, get_byte_1 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault movge r3, r7, get_byte_2 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault movgt r3, r7, get_byte_3 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_2fupi: subs r2, r2, #4 @@ -175,7 +175,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault mov r3, r7, pull #16 ldr r7, [r1], #4 orr r3, r3, r7, push #16 -USER( T(str) r3, [r0], #4) @ May fault +USER( TUSER( str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -210,18 +210,18 @@ USER( T(str) r3, [r0], #4) @ May fault movne r3, r7, pull #16 ldrne r7, [r1], #4 orrne r3, r3, r7, push #16 - T(strne) r3, [r0], #4 @ Shouldnt fault + TUSER( strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_2fupi .Lc2u_2nowords: mov r3, r7, get_byte_2 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault movge r3, r7, get_byte_3 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #0 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_3fupi: subs r2, r2, #4 @@ -230,7 +230,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault mov r3, r7, pull #24 ldr r7, [r1], #4 orr r3, r3, r7, push #8 -USER( T(str) r3, [r0], #4) @ May fault +USER( TUSER( str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -265,18 +265,18 @@ USER( T(str) r3, [r0], #4) @ May fault movne r3, r7, pull #24 ldrne r7, [r1], #4 orrne r3, r3, r7, push #8 - T(strne) r3, [r0], #4 @ Shouldnt fault + TUSER( strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_3fupi .Lc2u_3nowords: mov r3, r7, get_byte_3 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #0 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished ENDPROC(__copy_to_user) @@ -295,11 +295,11 @@ ENDPROC(__copy_to_user) .Lcfu_dest_not_aligned: rsb ip, ip, #4 cmp ip, #2 -USER( T(ldrb) r3, [r1], #1) @ May fault +USER( TUSER( ldrb) r3, [r1], #1) @ May fault strb r3, [r0], #1 -USER( T(ldrgeb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( T(ldrgtb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 sub r2, r2, ip b .Lcfu_dest_aligned @@ -322,7 +322,7 @@ ENTRY(__copy_from_user) .Lcfu_0fupi: subs r2, r2, #4 addmi ip, r2, #4 bmi .Lcfu_0nowords -USER( T(ldr) r3, [r1], #4) +USER( TUSER( ldr) r3, [r1], #4) str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction rsb ip, ip, #0 @@ -351,18 +351,18 @@ USER( T(ldr) r3, [r1], #4) ldmneia r1!, {r3 - r4} @ Shouldnt fault stmneia r0!, {r3 - r4} tst ip, #4 - T(ldrne) r3, [r1], #4 @ Shouldnt fault + TUSER( ldrne) r3, [r1], #4 @ Shouldnt fault strne r3, [r0], #4 ands ip, ip, #3 beq .Lcfu_0fupi .Lcfu_0nowords: teq ip, #0 beq .Lcfu_finished .Lcfu_nowords: cmp ip, #2 -USER( T(ldrb) r3, [r1], #1) @ May fault +USER( TUSER( ldrb) r3, [r1], #1) @ May fault strb r3, [r0], #1 -USER( T(ldrgeb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( T(ldrgtb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished @@ -375,7 +375,7 @@ USER( T(ldrgtb) r3, [r1], #1) @ May fault .Lcfu_src_not_aligned: bic r1, r1, #3 -USER( T(ldr) r7, [r1], #4) @ May fault +USER( TUSER( ldr) r7, [r1], #4) @ May fault cmp ip, #2 bgt .Lcfu_3fupi beq .Lcfu_2fupi @@ -383,7 +383,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault addmi ip, r2, #4 bmi .Lcfu_1nowords mov r3, r7, pull #8 -USER( T(ldr) r7, [r1], #4) @ May fault +USER( TUSER( ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #24 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -418,7 +418,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #8 -USER( T(ldrne) r7, [r1], #4) @ May fault +USER( TUSER( ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #24 strne r3, [r0], #4 ands ip, ip, #3 @@ -438,7 +438,7 @@ USER( T(ldrne) r7, [r1], #4) @ May fault addmi ip, r2, #4 bmi .Lcfu_2nowords mov r3, r7, pull #16 -USER( T(ldr) r7, [r1], #4) @ May fault +USER( TUSER( ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #16 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -474,7 +474,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #16 -USER( T(ldrne) r7, [r1], #4) @ May fault +USER( TUSER( ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #16 strne r3, [r0], #4 ands ip, ip, #3 @@ -486,7 +486,7 @@ USER( T(ldrne) r7, [r1], #4) @ May fault strb r3, [r0], #1 movge r3, r7, get_byte_3 strgeb r3, [r0], #1 -USER( T(ldrgtb) r3, [r1], #0) @ May fault +USER( TUSER( ldrgtb) r3, [r1], #0) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished @@ -494,7 +494,7 @@ USER( T(ldrgtb) r3, [r1], #0) @ May fault addmi ip, r2, #4 bmi .Lcfu_3nowords mov r3, r7, pull #24 -USER( T(ldr) r7, [r1], #4) @ May fault +USER( TUSER( ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #8 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -529,7 +529,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #24 -USER( T(ldrne) r7, [r1], #4) @ May fault +USER( TUSER( ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #8 strne r3, [r0], #4 ands ip, ip, #3 @@ -539,9 +539,9 @@ USER( T(ldrne) r7, [r1], #4) @ May fault beq .Lcfu_finished cmp ip, #2 strb r3, [r0], #1 -USER( T(ldrgeb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( T(ldrgtb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished ENDPROC(__copy_from_user) diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 4f991f295284..71feb00a1e99 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -18,6 +18,12 @@ config HAVE_AT91_USART4 config HAVE_AT91_USART5 bool +config AT91_SAM9_ALT_RESET + bool + +config AT91_SAM9G45_RESET + bool + menu "Atmel AT91 System-on-Chip" choice @@ -39,6 +45,7 @@ config ARCH_AT91SAM9260 select HAVE_AT91_USART4 select HAVE_AT91_USART5 select HAVE_NET_MACB + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9261 bool "AT91SAM9261" @@ -46,6 +53,7 @@ config ARCH_AT91SAM9261 select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL select HAVE_AT91_DBGU0 + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9G10 bool "AT91SAM9G10" @@ -53,6 +61,7 @@ config ARCH_AT91SAM9G10 select GENERIC_CLOCKEVENTS select HAVE_AT91_DBGU0 select HAVE_FB_ATMEL + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9263 bool "AT91SAM9263" @@ -61,6 +70,7 @@ config ARCH_AT91SAM9263 select HAVE_FB_ATMEL select HAVE_NET_MACB select HAVE_AT91_DBGU1 + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9RL bool "AT91SAM9RL" @@ -69,6 +79,7 @@ config ARCH_AT91SAM9RL select HAVE_AT91_USART3 select HAVE_FB_ATMEL select HAVE_AT91_DBGU0 + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9G20 bool "AT91SAM9G20" @@ -79,6 +90,7 @@ config ARCH_AT91SAM9G20 select HAVE_AT91_USART4 select HAVE_AT91_USART5 select HAVE_NET_MACB + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9G45 bool "AT91SAM9G45" @@ -88,6 +100,7 @@ config ARCH_AT91SAM9G45 select HAVE_FB_ATMEL select HAVE_NET_MACB select HAVE_AT91_DBGU1 + select AT91_SAM9G45_RESET config ARCH_AT91CAP9 bool "AT91CAP9" @@ -96,6 +109,7 @@ config ARCH_AT91CAP9 select HAVE_FB_ATMEL select HAVE_NET_MACB select HAVE_AT91_DBGU1 + select AT91_SAM9G45_RESET config ARCH_AT91X40 bool "AT91x40" diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 242174f9f355..705e1fbded39 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -8,15 +8,17 @@ obj-n := obj- := obj-$(CONFIG_AT91_PMC_UNIT) += clock.o +obj-$(CONFIG_AT91_SAM9_ALT_RESET) += at91sam9_alt_reset.o +obj-$(CONFIG_AT91_SAM9G45_RESET) += at91sam9g45_reset.o # CPU-specific support obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o -obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9G10) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o at91sam9_alt_reset.o +obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9G10) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91SAM9G45) += at91sam9g45.o at91sam926x_time.o at91sam9g45_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index edb879ac04c8..a42edc25a87e 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -21,7 +21,6 @@ #include <mach/cpu.h> #include <mach/at91cap9.h> #include <mach/at91_pmc.h> -#include <mach/at91_rstc.h> #include "soc.h" #include "generic.h" @@ -314,11 +313,6 @@ static struct at91_gpio_bank at91cap9_gpio[] __initdata = { } }; -static void at91cap9_restart(char mode, const char *cmd) -{ - at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); -} - /* -------------------------------------------------------------------- * AT91CAP9 processor initialization * -------------------------------------------------------------------- */ @@ -331,13 +325,14 @@ static void __init at91cap9_map_io(void) static void __init at91cap9_ioremap_registers(void) { at91_ioremap_shdwc(AT91CAP9_BASE_SHDWC); + at91_ioremap_rstc(AT91CAP9_BASE_RSTC); at91sam926x_ioremap_pit(AT91CAP9_BASE_PIT); at91sam9_ioremap_smc(0, AT91CAP9_BASE_SMC); } static void __init at91cap9_initialize(void) { - arm_pm_restart = at91cap9_restart; + arm_pm_restart = at91sam9g45_restart; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 5e46e4a96430..d4036ba43612 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -323,6 +323,7 @@ static void __init at91sam9260_map_io(void) static void __init at91sam9260_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9260_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9260_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9260_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC); } diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index b85b9ea60170..023c2ff138df 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -281,6 +281,7 @@ static void __init at91sam9261_map_io(void) static void __init at91sam9261_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9261_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9261_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9261_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC); } diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index 79e3669b1117..75e876c258af 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -301,6 +301,7 @@ static void __init at91sam9263_map_io(void) static void __init at91sam9263_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9263_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9263_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9263_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9263_BASE_SMC0); at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1); diff --git a/arch/arm/mach-at91/at91sam9_alt_reset.S b/arch/arm/mach-at91/at91sam9_alt_reset.S index d3f931c5942e..518e42377171 100644 --- a/arch/arm/mach-at91/at91sam9_alt_reset.S +++ b/arch/arm/mach-at91/at91sam9_alt_reset.S @@ -23,7 +23,8 @@ .globl at91sam9_alt_restart at91sam9_alt_restart: ldr r0, .at91_va_base_sdramc @ preload constants - ldr r1, .at91_va_base_rstc_cr + ldr r1, =at91_rstc_base + ldr r1, [r1] mov r2, #1 mov r3, #AT91_SDRAMC_LPCB_POWER_DOWN @@ -33,11 +34,9 @@ at91sam9_alt_restart: ldr r0, .at91_va_base_sdramc @ preload constants str r2, [r0, #AT91_SDRAMC_TR] @ disable SDRAM access str r3, [r0, #AT91_SDRAMC_LPR] @ power down SDRAM - str r4, [r1] @ reset processor + str r4, [r1, #AT91_RSTC_CR] @ reset processor b . .at91_va_base_sdramc: .word AT91_VA_BASE_SYS + AT91_SDRAMC0 -.at91_va_base_rstc_cr: - .word AT91_VA_BASE_SYS + AT91_RSTC_CR diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 7032dd32cdf0..1cb6a96b1c1e 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -18,7 +18,6 @@ #include <asm/mach/map.h> #include <mach/at91sam9g45.h> #include <mach/at91_pmc.h> -#include <mach/at91_rstc.h> #include <mach/cpu.h> #include "soc.h" @@ -318,11 +317,6 @@ static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = { } }; -static void at91sam9g45_restart(char mode, const char *cmd) -{ - at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); -} - /* -------------------------------------------------------------------- * AT91SAM9G45 processor initialization * -------------------------------------------------------------------- */ @@ -336,6 +330,7 @@ static void __init at91sam9g45_map_io(void) static void __init at91sam9g45_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9G45_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9G45_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9G45_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9G45_BASE_SMC); } diff --git a/arch/arm/mach-at91/at91sam9g45_reset.S b/arch/arm/mach-at91/at91sam9g45_reset.S new file mode 100644 index 000000000000..0468be10980b --- /dev/null +++ b/arch/arm/mach-at91/at91sam9g45_reset.S @@ -0,0 +1,40 @@ +/* + * reset AT91SAM9G45 as per errata + * + * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcosoft.com> + * + * unless the SDRAM is cleanly shutdown before we hit the + * reset register it can be left driving the data bus and + * killing the chance of a subsequent boot from NAND + * + * GPLv2 Only + */ + +#include <linux/linkage.h> +#include <mach/hardware.h> +#include <mach/at91sam9_ddrsdr.h> +#include <mach/at91_rstc.h> + + .arm + + .globl at91sam9g45_restart + +at91sam9g45_restart: + ldr r0, .at91_va_base_sdramc0 @ preload constants + ldr r1, =at91_rstc_base + ldr r1, [r1] + + mov r2, #1 + mov r3, #AT91_DDRSDRC_LPCB_POWER_DOWN + ldr r4, =AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST + + .balign 32 @ align to cache line + + str r2, [r0, #AT91_DDRSDRC_RTR] @ disable DDR0 access + str r3, [r0, #AT91_DDRSDRC_LPR] @ power down DDR0 + str r4, [r1, #AT91_RSTC_CR] @ reset processor + + b . + +.at91_va_base_sdramc0: + .word AT91_VA_BASE_SYS + AT91_DDRSDRC0 diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index d6bcb1da11df..d2c91a841cb8 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -286,6 +286,7 @@ static void __init at91sam9rl_map_io(void) static void __init at91sam9rl_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9RL_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9RL_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9RL_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC); } diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 4866b8180d66..594133451c0c 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -58,7 +58,9 @@ extern void at91_irq_suspend(void); extern void at91_irq_resume(void); /* reset */ +extern void at91_ioremap_rstc(u32 base_addr); extern void at91sam9_alt_restart(char, const char *); +extern void at91sam9g45_restart(char, const char *); /* shutdown */ extern void at91_ioremap_shdwc(u32 base_addr); diff --git a/arch/arm/mach-at91/include/mach/at91_rstc.h b/arch/arm/mach-at91/include/mach/at91_rstc.h index cbd2bf052c1f..875fa336800b 100644 --- a/arch/arm/mach-at91/include/mach/at91_rstc.h +++ b/arch/arm/mach-at91/include/mach/at91_rstc.h @@ -16,13 +16,25 @@ #ifndef AT91_RSTC_H #define AT91_RSTC_H -#define AT91_RSTC_CR (AT91_RSTC + 0x00) /* Reset Controller Control Register */ +#ifndef __ASSEMBLY__ +extern void __iomem *at91_rstc_base; + +#define at91_rstc_read(field) \ + __raw_readl(at91_rstc_base + field) + +#define at91_rstc_write(field, value) \ + __raw_writel(value, at91_rstc_base + field); +#else +.extern at91_rstc_base +#endif + +#define AT91_RSTC_CR 0x00 /* Reset Controller Control Register */ #define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */ #define AT91_RSTC_PERRST (1 << 2) /* Peripheral Reset */ #define AT91_RSTC_EXTRST (1 << 3) /* External Reset */ #define AT91_RSTC_KEY (0xa5 << 24) /* KEY Password */ -#define AT91_RSTC_SR (AT91_RSTC + 0x04) /* Reset Controller Status Register */ +#define AT91_RSTC_SR 0x04 /* Reset Controller Status Register */ #define AT91_RSTC_URSTS (1 << 0) /* User Reset Status */ #define AT91_RSTC_RSTTYP (7 << 8) /* Reset Type */ #define AT91_RSTC_RSTTYP_GENERAL (0 << 8) @@ -33,7 +45,7 @@ #define AT91_RSTC_NRSTL (1 << 16) /* NRST Pin Level */ #define AT91_RSTC_SRCMP (1 << 17) /* Software Reset Command in Progress */ -#define AT91_RSTC_MR (AT91_RSTC + 0x08) /* Reset Controller Mode Register */ +#define AT91_RSTC_MR 0x08 /* Reset Controller Mode Register */ #define AT91_RSTC_URSTEN (1 << 0) /* User Reset Enable */ #define AT91_RSTC_URSTIEN (1 << 4) /* User Reset Interrupt Enable */ #define AT91_RSTC_ERSTL (0xf << 8) /* External Reset Length */ diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h index 4c0e2f6011d7..61d952902f2b 100644 --- a/arch/arm/mach-at91/include/mach/at91cap9.h +++ b/arch/arm/mach-at91/include/mach/at91cap9.h @@ -83,7 +83,6 @@ #define AT91_DDRSDRC0 (0xffffe600 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffea00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (cpu_is_at91cap9_revB() ? \ (0xfffffd50 - AT91_BASE_SYS) : \ (0xfffffd60 - AT91_BASE_SYS)) @@ -96,6 +95,7 @@ #define AT91CAP9_BASE_PIOB 0xfffff400 #define AT91CAP9_BASE_PIOC 0xfffff600 #define AT91CAP9_BASE_PIOD 0xfffff800 +#define AT91CAP9_BASE_RSTC 0xfffffd00 #define AT91CAP9_BASE_SHDWC 0xfffffd10 #define AT91CAP9_BASE_RTT 0xfffffd20 #define AT91CAP9_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h b/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h deleted file mode 100644 index 976f4a6c3353..000000000000 --- a/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h - * - * (C) 2008 Andrew Victor - * - * DDR/SDR Controller (DDRSDRC) - System peripherals registers. - * Based on AT91CAP9 datasheet revision B. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef AT91CAP9_DDRSDR_H -#define AT91CAP9_DDRSDR_H - -#define AT91_DDRSDRC_MR 0x00 /* Mode Register */ -#define AT91_DDRSDRC_MODE (0xf << 0) /* Command Mode */ -#define AT91_DDRSDRC_MODE_NORMAL 0 -#define AT91_DDRSDRC_MODE_NOP 1 -#define AT91_DDRSDRC_MODE_PRECHARGE 2 -#define AT91_DDRSDRC_MODE_LMR 3 -#define AT91_DDRSDRC_MODE_REFRESH 4 -#define AT91_DDRSDRC_MODE_EXT_LMR 5 -#define AT91_DDRSDRC_MODE_DEEP 6 - -#define AT91_DDRSDRC_RTR 0x04 /* Refresh Timer Register */ -#define AT91_DDRSDRC_COUNT (0xfff << 0) /* Refresh Timer Counter */ - -#define AT91_DDRSDRC_CR 0x08 /* Configuration Register */ -#define AT91_DDRSDRC_NC (3 << 0) /* Number of Column Bits */ -#define AT91_DDRSDRC_NC_SDR8 (0 << 0) -#define AT91_DDRSDRC_NC_SDR9 (1 << 0) -#define AT91_DDRSDRC_NC_SDR10 (2 << 0) -#define AT91_DDRSDRC_NC_SDR11 (3 << 0) -#define AT91_DDRSDRC_NC_DDR9 (0 << 0) -#define AT91_DDRSDRC_NC_DDR10 (1 << 0) -#define AT91_DDRSDRC_NC_DDR11 (2 << 0) -#define AT91_DDRSDRC_NC_DDR12 (3 << 0) -#define AT91_DDRSDRC_NR (3 << 2) /* Number of Row Bits */ -#define AT91_DDRSDRC_NR_11 (0 << 2) -#define AT91_DDRSDRC_NR_12 (1 << 2) -#define AT91_DDRSDRC_NR_13 (2 << 2) -#define AT91_DDRSDRC_CAS (7 << 4) /* CAS Latency */ -#define AT91_DDRSDRC_CAS_2 (2 << 4) -#define AT91_DDRSDRC_CAS_3 (3 << 4) -#define AT91_DDRSDRC_CAS_25 (6 << 4) -#define AT91_DDRSDRC_DLL (1 << 7) /* Reset DLL */ -#define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */ - -#define AT91_DDRSDRC_T0PR 0x0C /* Timing 0 Register */ -#define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */ -#define AT91_DDRSDRC_TRCD (0xf << 4) /* Row to Column delay */ -#define AT91_DDRSDRC_TWR (0xf << 8) /* Write recovery delay */ -#define AT91_DDRSDRC_TRC (0xf << 12) /* Row cycle delay */ -#define AT91_DDRSDRC_TRP (0xf << 16) /* Row precharge delay */ -#define AT91_DDRSDRC_TRRD (0xf << 20) /* Active BankA to BankB */ -#define AT91_DDRSDRC_TWTR (1 << 24) /* Internal Write to Read delay */ -#define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */ - -#define AT91_DDRSDRC_T1PR 0x10 /* Timing 1 Register */ -#define AT91_DDRSDRC_TRFC (0x1f << 0) /* Row Cycle Delay */ -#define AT91_DDRSDRC_TXSNR (0xff << 8) /* Exit self-refresh to non-read */ -#define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */ -#define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */ - -#define AT91_DDRSDRC_LPR 0x18 /* Low Power Register */ -#define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */ -#define AT91_DDRSDRC_LPCB_DISABLE 0 -#define AT91_DDRSDRC_LPCB_SELF_REFRESH 1 -#define AT91_DDRSDRC_LPCB_POWER_DOWN 2 -#define AT91_DDRSDRC_LPCB_DEEP_POWER_DOWN 3 -#define AT91_DDRSDRC_CLKFR (1 << 2) /* Clock Frozen */ -#define AT91_DDRSDRC_PASR (7 << 4) /* Partial Array Self Refresh */ -#define AT91_DDRSDRC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */ -#define AT91_DDRSDRC_DS (3 << 10) /* Drive Strength */ -#define AT91_DDRSDRC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */ -#define AT91_DDRSDRC_TIMEOUT_0_CLK_CYCLES (0 << 12) -#define AT91_DDRSDRC_TIMEOUT_64_CLK_CYCLES (1 << 12) -#define AT91_DDRSDRC_TIMEOUT_128_CLK_CYCLES (2 << 12) - -#define AT91_DDRSDRC_MDR 0x1C /* Memory Device Register */ -#define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */ -#define AT91_DDRSDRC_MD_SDR 0 -#define AT91_DDRSDRC_MD_LOW_POWER_SDR 1 -#define AT91_DDRSDRC_MD_DDR 2 -#define AT91_DDRSDRC_MD_LOW_POWER_DDR 3 - -#define AT91_DDRSDRC_DLLR 0x20 /* DLL Information Register */ -#define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */ -#define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */ -#define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */ -#define AT91_DDRSDRC_SDCOVF (1 << 3) /* Slave Delay Correction Overflow */ -#define AT91_DDRSDRC_SDCUDF (1 << 4) /* Slave Delay Correction Underflow */ -#define AT91_DDRSDRC_SDERF (1 << 5) /* Slave Delay Correction error */ -#define AT91_DDRSDRC_MDVAL (0xff << 8) /* Master Delay value */ -#define AT91_DDRSDRC_SDVAL (0xff << 16) /* Slave Delay value */ -#define AT91_DDRSDRC_SDCVAL (0xff << 24) /* Slave Delay Correction value */ - -/* Register access macros */ -#define at91_ramc_read(num, reg) \ - at91_sys_read(AT91_DDRSDRC##num + reg) -#define at91_ramc_write(num, reg, value) \ - at91_sys_write(AT91_DDRSDRC##num + reg, value) - - -#endif diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h index f937c476bb67..fa5ca278adeb 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9260.h +++ b/arch/arm/mach-at91/include/mach/at91sam9260.h @@ -83,7 +83,6 @@ #define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) #define AT91SAM9260_BASE_ECC 0xffffe800 @@ -92,6 +91,7 @@ #define AT91SAM9260_BASE_PIOA 0xfffff400 #define AT91SAM9260_BASE_PIOB 0xfffff600 #define AT91SAM9260_BASE_PIOC 0xfffff800 +#define AT91SAM9260_BASE_RSTC 0xfffffd00 #define AT91SAM9260_BASE_SHDWC 0xfffffd10 #define AT91SAM9260_BASE_RTT 0xfffffd20 #define AT91SAM9260_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h index 175604e261be..7cde2d36570e 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9261.h +++ b/arch/arm/mach-at91/include/mach/at91sam9261.h @@ -68,7 +68,6 @@ #define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) #define AT91SAM9261_BASE_SMC 0xffffec00 @@ -76,6 +75,7 @@ #define AT91SAM9261_BASE_PIOA 0xfffff400 #define AT91SAM9261_BASE_PIOB 0xfffff600 #define AT91SAM9261_BASE_PIOC 0xfffff800 +#define AT91SAM9261_BASE_RSTC 0xfffffd00 #define AT91SAM9261_BASE_SHDWC 0xfffffd10 #define AT91SAM9261_BASE_RTT 0xfffffd20 #define AT91SAM9261_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h index 80c915002d83..5949abda962b 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9263.h +++ b/arch/arm/mach-at91/include/mach/at91sam9263.h @@ -78,7 +78,6 @@ #define AT91_SDRAMC1 (0xffffe800 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffec00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) #define AT91SAM9263_BASE_ECC0 0xffffe000 @@ -91,6 +90,7 @@ #define AT91SAM9263_BASE_PIOC 0xfffff600 #define AT91SAM9263_BASE_PIOD 0xfffff800 #define AT91SAM9263_BASE_PIOE 0xfffffa00 +#define AT91SAM9263_BASE_RSTC 0xfffffd00 #define AT91SAM9263_BASE_SHDWC 0xfffffd10 #define AT91SAM9263_BASE_RTT0 0xfffffd20 #define AT91SAM9263_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h b/arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h index d27b15ba8ebf..e2f8da8ce5bc 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h +++ b/arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h @@ -46,10 +46,10 @@ #define AT91_DDRSDRC_CAS_25 (6 << 4) #define AT91_DDRSDRC_RST_DLL (1 << 7) /* Reset DLL */ #define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */ -#define AT91_DDRSDRC_DIS_DLL (1 << 9) /* Disable DLL */ -#define AT91_DDRSDRC_OCD (1 << 12) /* Off-Chip Driver */ -#define AT91_DDRSDRC_DQMS (1 << 16) /* Mask Data is Shared */ -#define AT91_DDRSDRC_ACTBST (1 << 18) /* Active Bank X to Burst Stop Read Access Bank Y */ +#define AT91_DDRSDRC_DIS_DLL (1 << 9) /* Disable DLL [SAM9 Only] */ +#define AT91_DDRSDRC_OCD (1 << 12) /* Off-Chip Driver [SAM9 Only] */ +#define AT91_DDRSDRC_DQMS (1 << 16) /* Mask Data is Shared [SAM9 Only] */ +#define AT91_DDRSDRC_ACTBST (1 << 18) /* Active Bank X to Burst Stop Read Access Bank Y [SAM9 Only] */ #define AT91_DDRSDRC_T0PR 0x0C /* Timing 0 Register */ #define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */ @@ -59,7 +59,8 @@ #define AT91_DDRSDRC_TRP (0xf << 16) /* Row precharge delay */ #define AT91_DDRSDRC_TRRD (0xf << 20) /* Active BankA to BankB */ #define AT91_DDRSDRC_TWTR (0x7 << 24) /* Internal Write to Read delay */ -#define AT91_DDRSDRC_RED_WRRD (0x1 << 27) /* Reduce Write to Read Delay */ +#define AT91CAP9_DDRSDRC_TWTR (1 << 24) /* Internal Write to Read delay */ +#define AT91_DDRSDRC_RED_WRRD (0x1 << 27) /* Reduce Write to Read Delay [SAM9 Only] */ #define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */ #define AT91_DDRSDRC_T1PR 0x10 /* Timing 1 Register */ @@ -68,13 +69,14 @@ #define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */ #define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */ -#define AT91_DDRSDRC_T2PR 0x14 /* Timing 2 Register */ +#define AT91_DDRSDRC_T2PR 0x14 /* Timing 2 Register [SAM9 Only] */ #define AT91_DDRSDRC_TXARD (0xf << 0) /* Exit active power down delay to read command in mode "Fast Exit" */ #define AT91_DDRSDRC_TXARDS (0xf << 4) /* Exit active power down delay to read command in mode "Slow Exit" */ #define AT91_DDRSDRC_TRPA (0xf << 8) /* Row Precharge All delay */ #define AT91_DDRSDRC_TRTP (0x7 << 12) /* Read to Precharge delay */ #define AT91_DDRSDRC_LPR 0x1C /* Low Power Register */ +#define AT91CAP9_DDRSDRC_LPR 0x18 /* Low Power Register */ #define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */ #define AT91_DDRSDRC_LPCB_DISABLE 0 #define AT91_DDRSDRC_LPCB_SELF_REFRESH 1 @@ -92,32 +94,40 @@ #define AT91_DDRSDRC_UPD_MR (3 << 20) /* Update load mode register and extended mode register */ #define AT91_DDRSDRC_MDR 0x20 /* Memory Device Register */ +#define AT91CAP9_DDRSDRC_MDR 0x1C /* Memory Device Register */ #define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */ #define AT91_DDRSDRC_MD_SDR 0 #define AT91_DDRSDRC_MD_LOW_POWER_SDR 1 +#define AT91CAP9_DDRSDRC_MD_DDR 2 #define AT91_DDRSDRC_MD_LOW_POWER_DDR 3 -#define AT91_DDRSDRC_MD_DDR2 6 +#define AT91_DDRSDRC_MD_DDR2 6 /* [SAM9 Only] */ #define AT91_DDRSDRC_DBW (1 << 4) /* Data Bus Width */ #define AT91_DDRSDRC_DBW_32BITS (0 << 4) #define AT91_DDRSDRC_DBW_16BITS (1 << 4) #define AT91_DDRSDRC_DLL 0x24 /* DLL Information Register */ +#define AT91CAP9_DDRSDRC_DLL 0x20 /* DLL Information Register */ #define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */ #define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */ #define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */ +#define AT91CAP9_DDRSDRC_SDCOVF (1 << 3) /* Slave Delay Correction Overflow */ +#define AT91CAP9_DDRSDRC_SDCUDF (1 << 4) /* Slave Delay Correction Underflow */ +#define AT91CAP9_DDRSDRC_SDERF (1 << 5) /* Slave Delay Correction error */ #define AT91_DDRSDRC_MDVAL (0xff << 8) /* Master Delay value */ +#define AT91CAP9_DDRSDRC_SDVAL (0xff << 16) /* Slave Delay value */ +#define AT91CAP9_DDRSDRC_SDCVAL (0xff << 24) /* Slave Delay Correction value */ -#define AT91_DDRSDRC_HS 0x2C /* High Speed Register */ +#define AT91_DDRSDRC_HS 0x2C /* High Speed Register [SAM9 Only] */ #define AT91_DDRSDRC_DIS_ATCP_RD (1 << 2) /* Anticip read access is disabled */ #define AT91_DDRSDRC_DELAY(n) (0x30 + (0x4 * (n))) /* Delay I/O Register n */ -#define AT91_DDRSDRC_WPMR 0xE4 /* Write Protect Mode Register */ +#define AT91_DDRSDRC_WPMR 0xE4 /* Write Protect Mode Register [SAM9 Only] */ #define AT91_DDRSDRC_WP (1 << 0) /* Write protect enable */ #define AT91_DDRSDRC_WPKEY (0xffffff << 8) /* Write protect key */ #define AT91_DDRSDRC_KEY (0x444452 << 8) /* Write protect key = "DDR" */ -#define AT91_DDRSDRC_WPSR 0xE8 /* Write Protect Status Register */ +#define AT91_DDRSDRC_WPSR 0xE8 /* Write Protect Status Register [SAM9 Only] */ #define AT91_DDRSDRC_WPVS (1 << 0) /* Write protect violation status */ #define AT91_DDRSDRC_WPVSRC (0xffff << 8) /* Write protect violation source */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index f0c23c960dec..dd9c95ea0862 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -90,7 +90,6 @@ #define AT91_DDRSDRC0 (0xffffe600 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffea00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) #define AT91SAM9G45_BASE_ECC 0xffffe200 @@ -102,6 +101,7 @@ #define AT91SAM9G45_BASE_PIOC 0xfffff600 #define AT91SAM9G45_BASE_PIOD 0xfffff800 #define AT91SAM9G45_BASE_PIOE 0xfffffa00 +#define AT91SAM9G45_BASE_RSTC 0xfffffd00 #define AT91SAM9G45_BASE_SHDWC 0xfffffd10 #define AT91SAM9G45_BASE_RTT 0xfffffd20 #define AT91SAM9G45_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h index 2bb359e60b97..d7bead7118da 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9rl.h +++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h @@ -72,7 +72,6 @@ #define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) @@ -84,6 +83,7 @@ #define AT91SAM9RL_BASE_PIOB 0xfffff600 #define AT91SAM9RL_BASE_PIOC 0xfffff800 #define AT91SAM9RL_BASE_PIOD 0xfffffa00 +#define AT91SAM9RL_BASE_RSTC 0xfffffd00 #define AT91SAM9RL_BASE_SHDWC 0xfffffd10 #define AT91SAM9RL_BASE_RTT 0xfffffd20 #define AT91SAM9RL_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index d0b377b21bd7..3b33f07b1e11 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -88,7 +88,7 @@ extern void __init at91_add_device_eth(struct macb_platform_data *data); struct at91_usbh_data { u8 ports; /* number of ports on root hub */ int vbus_pin[2]; /* port power-control pin */ - u8 vbus_pin_inverted; + u8 vbus_pin_active_low[2]; u8 overcurrent_supported; int overcurrent_pin[2]; u8 overcurrent_status[2]; diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 62ad95556c36..1606379ac284 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -34,7 +34,6 @@ /* * Show the reason for the previous system reset. */ -#if defined(AT91_RSTC) #include <mach/at91_rstc.h> #include <mach/at91_shdwc.h> @@ -58,10 +57,10 @@ static void __init show_reset_status(void) char *reason, *r2 = reset; u32 reset_type, wake_type; - if (!at91_shdwc_base) + if (!at91_shdwc_base || !at91_rstc_base) return; - reset_type = at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP; + reset_type = at91_rstc_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP; wake_type = at91_shdwc_read(AT91_SHDW_SR); switch (reset_type) { @@ -102,10 +101,6 @@ static void __init show_reset_status(void) } pr_info("AT91: Starting after %s %s\n", reason, r2); } -#else -static void __init show_reset_status(void) {} -#endif - static int at91_pm_valid_state(suspend_state_t state) { diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h index ce9a20699111..7eb40d24242f 100644 --- a/arch/arm/mach-at91/pm.h +++ b/arch/arm/mach-at91/pm.h @@ -25,21 +25,21 @@ static inline u32 sdram_selfrefresh_enable(void) : : "r" (0)) #elif defined(CONFIG_ARCH_AT91CAP9) -#include <mach/at91cap9_ddrsdr.h> +#include <mach/at91sam9_ddrsdr.h> static inline u32 sdram_selfrefresh_enable(void) { u32 saved_lpr, lpr; - saved_lpr = at91_ramc_read(0, AT91_DDRSDRC_LPR); + saved_lpr = at91_ramc_read(0, AT91CAP9_DDRSDRC_LPR); lpr = saved_lpr & ~AT91_DDRSDRC_LPCB; - at91_ramc_write(0, AT91_DDRSDRC_LPR, lpr | AT91_DDRSDRC_LPCB_SELF_REFRESH); + at91_ramc_write(0, AT91CAP9_DDRSDRC_LPR, lpr | AT91_DDRSDRC_LPCB_SELF_REFRESH); return saved_lpr; } -#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr) +#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91CAP9_DDRSDRC_LPR, saved_lpr) #define wait_for_interrupt_enable() cpu_do_idle() #elif defined(CONFIG_ARCH_AT91SAM9G45) diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S index f7922a436172..92dfb8461392 100644 --- a/arch/arm/mach-at91/pm_slowclock.S +++ b/arch/arm/mach-at91/pm_slowclock.S @@ -18,9 +18,8 @@ #if defined(CONFIG_ARCH_AT91RM9200) #include <mach/at91rm9200_mc.h> -#elif defined(CONFIG_ARCH_AT91CAP9) -#include <mach/at91cap9_ddrsdr.h> -#elif defined(CONFIG_ARCH_AT91SAM9G45) +#elif defined(CONFIG_ARCH_AT91CAP9) \ + || defined(CONFIG_ARCH_AT91SAM9G45) #include <mach/at91sam9_ddrsdr.h> #else #include <mach/at91sam9_sdramc.h> diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 8bdcc3cb6012..69d3fc4c46f3 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -29,9 +29,12 @@ EXPORT_SYMBOL(at91_soc_initdata); void __init at91rm9200_set_type(int type) { if (type == ARCH_REVISON_9200_PQFP) - at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; - else at91_soc_initdata.subtype = AT91_SOC_RM9200_PQFP; + else + at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; + + pr_info("AT91: filled in soc subtype: %s\n", + at91_get_soc_subtype(&at91_soc_initdata)); } void __init at91_init_irq_default(void) @@ -281,6 +284,15 @@ void __init at91_ioremap_shdwc(u32 base_addr) pm_power_off = at91sam9_poweroff; } +void __iomem *at91_rstc_base; + +void __init at91_ioremap_rstc(u32 base_addr) +{ + at91_rstc_base = ioremap(base_addr, 16); + if (!at91_rstc_base) + panic("Impossible to ioremap at91_rstc_base\n"); +} + void __init at91_initialize(unsigned long main_clock) { at91_boot_soc.ioremap_registers(); diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c index da70e7e39937..dd1ad55524c9 100644 --- a/arch/arm/mach-exynos/hotplug.c +++ b/arch/arm/mach-exynos/hotplug.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <mach/regs-pmu.h> diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 683aec786b78..0f2035a1eb6e 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -23,6 +23,7 @@ #include <asm/cacheflush.h> #include <asm/hardware/gic.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 7afbe1e55beb..8394d512a402 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -25,6 +25,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <asm/hardware/arm_timer.h> #include <asm/hardware/timer-sp.h> @@ -72,9 +73,7 @@ static void __init highbank_map_io(void) void highbank_set_cpu_jump(int cpu, void *jump_addr) { -#ifdef CONFIG_SMP cpu = cpu_logical_map(cpu); -#endif writel(virt_to_phys(jump_addr), HB_JUMP_TABLE_VIRT(cpu)); __cpuc_flush_dcache_area(HB_JUMP_TABLE_VIRT(cpu), 16); outer_clean_range(HB_JUMP_TABLE_PHYS(cpu), diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 09f357bcecde..4defb97bbfc8 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -87,7 +87,6 @@ config SOC_IMX35 config SOC_IMX5 select CPU_V7 - select ARM_L1_CACHE_SHIFT_6 select MXC_TZIC select ARCH_MXC_IOMUX_V3 select ARCH_MXC_AUDMUX_V2 diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c index 9273c2a24b54..2d88f8b9a454 100644 --- a/arch/arm/mach-imx/clock-imx6q.c +++ b/arch/arm/mach-imx/clock-imx6q.c @@ -814,6 +814,16 @@ DEF_PFD(pll3_pfd_540m, PFD_480, PFD1, &pll3_usb_otg); DEF_PFD(pll3_pfd_508m, PFD_480, PFD2, &pll3_usb_otg); DEF_PFD(pll3_pfd_454m, PFD_480, PFD3, &pll3_usb_otg); +static unsigned long twd_clk_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / 2; +} + +static struct clk twd_clk = { + .parent = &arm_clk, + .get_rate = twd_clk_get_rate, +}; + static unsigned long pll2_200m_get_rate(struct clk *clk) { return clk_get_rate(clk->parent) / 2; @@ -1894,6 +1904,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("20ec000.sdma", NULL, sdma_clk), _REGISTER_CLOCK("20bc000.wdog", NULL, dummy_clk), _REGISTER_CLOCK("20c0000.wdog", NULL, dummy_clk), + _REGISTER_CLOCK("smp_twd", NULL, twd_clk), _REGISTER_CLOCK(NULL, "ckih", ckih_clk), _REGISTER_CLOCK(NULL, "ckil_clk", ckil_clk), _REGISTER_CLOCK(NULL, "aips_tz1_clk", aips_tz1_clk), diff --git a/arch/arm/mach-imx/mach-mx53_ard.c b/arch/arm/mach-imx/mach-mx53_ard.c index 08dfb7628d2d..753f4fc9ec04 100644 --- a/arch/arm/mach-imx/mach-mx53_ard.c +++ b/arch/arm/mach-imx/mach-mx53_ard.c @@ -188,8 +188,10 @@ static int weim_cs_config(void) return -ENOMEM; iomuxc_base = ioremap(MX53_IOMUXC_BASE_ADDR, SZ_4K); - if (!iomuxc_base) + if (!iomuxc_base) { + iounmap(weim_base); return -ENOMEM; + } /* CS1 timings for LAN9220 */ writel(0x20001, (weim_base + 0x18)); diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c index 29bd1243781e..e15f1555c59b 100644 --- a/arch/arm/mach-imx/src.c +++ b/arch/arm/mach-imx/src.c @@ -15,6 +15,7 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/smp.h> +#include <asm/smp_plat.h> #define SRC_SCR 0x000 #define SRC_GPR1 0x020 @@ -24,10 +25,6 @@ static void __iomem *src_base; -#ifndef CONFIG_SMP -#define cpu_logical_map(cpu) 0 -#endif - void imx_enable_cpu(int cpu, bool enable) { u32 mask, val; diff --git a/arch/arm/mach-msm/hotplug.c b/arch/arm/mach-msm/hotplug.c index 41c252de0215..a446fc14221f 100644 --- a/arch/arm/mach-msm/hotplug.c +++ b/arch/arm/mach-msm/hotplug.c @@ -11,6 +11,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> extern volatile int pen_release; diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c index 0b3e357c4c8c..db0117ec55f4 100644 --- a/arch/arm/mach-msm/platsmp.c +++ b/arch/arm/mach-msm/platsmp.c @@ -20,6 +20,7 @@ #include <asm/cacheflush.h> #include <asm/cputype.h> #include <asm/mach-types.h> +#include <asm/smp_plat.h> #include <mach/msm_iomap.h> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index a8ba7b96dcd1..41e6612ecbaf 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -33,7 +33,6 @@ config ARCH_OMAP3 default y select CPU_V7 select USB_ARCH_HAS_EHCI - select ARM_L1_CACHE_SHIFT_6 if !ARCH_OMAP4 select ARCH_HAS_OPP select PM_OPP if PM select ARM_CPU_SUSPEND if PM diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index 18fd177073f4..5bc13121eac5 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -415,29 +415,9 @@ static struct resource pxa_rtc_resources[] = { }, }; -static struct resource sa1100_rtc_resources[] = { - [0] = { - .start = 0x40900000, - .end = 0x409000ff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_RTC1Hz, - .end = IRQ_RTC1Hz, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = IRQ_RTCAlrm, - .end = IRQ_RTCAlrm, - .flags = IORESOURCE_IRQ, - }, -}; - struct platform_device sa1100_device_rtc = { .name = "sa1100-rtc", .id = -1, - .num_resources = ARRAY_SIZE(sa1100_rtc_resources), - .resource = sa1100_rtc_resources, }; struct platform_device pxa_device_rtc = { diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index adf058fa97ee..91e4f6c03766 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -209,8 +209,6 @@ static struct clk_lookup pxa25x_clkregs[] = { INIT_CLKREG(&clk_pxa25x_gpio11, NULL, "GPIO11_CLK"), INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"), INIT_CLKREG(&clk_pxa25x_mem, "pxa2xx-pcmcia", NULL), - INIT_CLKREG(&clk_dummy, "pxa-gpio", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; static struct clk_lookup pxa25x_hwuart_clkreg = diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 180bd8675d4b..aed6cbcf3866 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -230,8 +230,6 @@ static struct clk_lookup pxa27x_clkregs[] = { INIT_CLKREG(&clk_pxa27x_im, NULL, "IMCLK"), INIT_CLKREG(&clk_pxa27x_memc, NULL, "MEMCLK"), INIT_CLKREG(&clk_pxa27x_mem, "pxa2xx-pcmcia", NULL), - INIT_CLKREG(&clk_dummy, "pxa-gpio", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; #ifdef CONFIG_PM diff --git a/arch/arm/mach-pxa/pxa300.c b/arch/arm/mach-pxa/pxa300.c index 0388eda7878a..40bb16501d86 100644 --- a/arch/arm/mach-pxa/pxa300.c +++ b/arch/arm/mach-pxa/pxa300.c @@ -89,7 +89,6 @@ static DEFINE_PXA3_CKEN(gcu, PXA300_GCU, 0, 0); static struct clk_lookup common_clkregs[] = { INIT_CLKREG(&clk_common_nand, "pxa3xx-nand", NULL), INIT_CLKREG(&clk_gcu, "pxa3xx-gcu", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; static DEFINE_PXA3_CKEN(pxa310_mmc3, MMC3, 19500000, 0); diff --git a/arch/arm/mach-pxa/pxa320.c b/arch/arm/mach-pxa/pxa320.c index d487e1ff4c9a..8d614ecd8e99 100644 --- a/arch/arm/mach-pxa/pxa320.c +++ b/arch/arm/mach-pxa/pxa320.c @@ -83,7 +83,6 @@ static DEFINE_PXA3_CKEN(gcu, PXA320_GCU, 0, 0); static struct clk_lookup pxa320_clkregs[] = { INIT_CLKREG(&clk_pxa320_nand, "pxa3xx-nand", NULL), INIT_CLKREG(&clk_gcu, "pxa3xx-gcu", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; static int __init pxa320_init(void) diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index f107c71c7589..4f402afa6609 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -67,7 +67,6 @@ static struct clk_lookup pxa3xx_clkregs[] = { INIT_CLKREG(&clk_pxa3xx_pout, NULL, "CLK_POUT"), /* Power I2C clock is always on */ INIT_CLKREG(&clk_dummy, "pxa3xx-pwri2c.1", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), INIT_CLKREG(&clk_pxa3xx_lcd, "pxa2xx-fb", NULL), INIT_CLKREG(&clk_pxa3xx_camera, NULL, "CAMCLK"), INIT_CLKREG(&clk_pxa3xx_ac97, NULL, "AC97CLK"), diff --git a/arch/arm/mach-pxa/pxa95x.c b/arch/arm/mach-pxa/pxa95x.c index fccc644702e6..d082a583df78 100644 --- a/arch/arm/mach-pxa/pxa95x.c +++ b/arch/arm/mach-pxa/pxa95x.c @@ -217,7 +217,6 @@ static struct clk_lookup pxa95x_clkregs[] = { INIT_CLKREG(&clk_pxa95x_pout, NULL, "CLK_POUT"), /* Power I2C clock is always on */ INIT_CLKREG(&clk_dummy, "pxa3xx-pwri2c.1", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), INIT_CLKREG(&clk_pxa95x_lcd, "pxa2xx-fb", NULL), INIT_CLKREG(&clk_pxa95x_ffuart, "pxa2xx-uart.0", NULL), INIT_CLKREG(&clk_pxa95x_btuart, "pxa2xx-uart.1", NULL), diff --git a/arch/arm/mach-realview/hotplug.c b/arch/arm/mach-realview/hotplug.c index ac1aed2a8da4..eb55f05bef3a 100644 --- a/arch/arm/mach-realview/hotplug.c +++ b/arch/arm/mach-realview/hotplug.c @@ -13,6 +13,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> extern volatile int pen_release; diff --git a/arch/arm/mach-realview/include/mach/board-eb.h b/arch/arm/mach-realview/include/mach/board-eb.h index 794a8d91a6a6..124bce6b4d7b 100644 --- a/arch/arm/mach-realview/include/mach/board-eb.h +++ b/arch/arm/mach-realview/include/mach/board-eb.h @@ -47,21 +47,23 @@ #define REALVIEW_EB_USB_BASE 0x4F000000 /* USB */ #ifdef CONFIG_REALVIEW_EB_ARM11MP_REVB -#define REALVIEW_EB11MP_SCU_BASE 0x10100000 /* SCU registers */ -#define REALVIEW_EB11MP_GIC_CPU_BASE 0x10100100 /* Generic interrupt controller CPU interface */ -#define REALVIEW_EB11MP_TWD_BASE 0x10100600 -#define REALVIEW_EB11MP_GIC_DIST_BASE 0x10101000 /* Generic interrupt controller distributor */ +#define REALVIEW_EB11MP_PRIV_MEM_BASE 0x1F000000 #define REALVIEW_EB11MP_L220_BASE 0x10102000 /* L220 registers */ #define REALVIEW_EB11MP_SYS_PLD_CTRL1 0xD8 /* Register offset for MPCore sysctl */ #else -#define REALVIEW_EB11MP_SCU_BASE 0x1F000000 /* SCU registers */ -#define REALVIEW_EB11MP_GIC_CPU_BASE 0x1F000100 /* Generic interrupt controller CPU interface */ -#define REALVIEW_EB11MP_TWD_BASE 0x1F000600 -#define REALVIEW_EB11MP_GIC_DIST_BASE 0x1F001000 /* Generic interrupt controller distributor */ +#define REALVIEW_EB11MP_PRIV_MEM_BASE 0x1F000000 #define REALVIEW_EB11MP_L220_BASE 0x1F002000 /* L220 registers */ #define REALVIEW_EB11MP_SYS_PLD_CTRL1 0x74 /* Register offset for MPCore sysctl */ #endif +#define REALVIEW_EB11MP_PRIV_MEM_SIZE SZ_8K +#define REALVIEW_EB11MP_PRIV_MEM_OFF(x) (REALVIEW_EB11MP_PRIV_MEM_BASE + (x)) + +#define REALVIEW_EB11MP_SCU_BASE REALVIEW_EB11MP_PRIV_MEM_OFF(0) /* SCU registers */ +#define REALVIEW_EB11MP_GIC_CPU_BASE REALVIEW_EB11MP_PRIV_MEM_OFF(0x0100) /* Generic interrupt controller CPU interface */ +#define REALVIEW_EB11MP_TWD_BASE REALVIEW_EB11MP_PRIV_MEM_OFF(0x0600) +#define REALVIEW_EB11MP_GIC_DIST_BASE REALVIEW_EB11MP_PRIV_MEM_OFF(0x1000) /* Generic interrupt controller distributor */ + /* * Core tile identification (REALVIEW_SYS_PROCID) */ diff --git a/arch/arm/mach-realview/include/mach/board-pb11mp.h b/arch/arm/mach-realview/include/mach/board-pb11mp.h index 7abf918b77e9..aa2d4e02ea2c 100644 --- a/arch/arm/mach-realview/include/mach/board-pb11mp.h +++ b/arch/arm/mach-realview/include/mach/board-pb11mp.h @@ -75,6 +75,8 @@ /* * Testchip peripheral and fpga gic regions */ +#define REALVIEW_TC11MP_PRIV_MEM_BASE 0x1F000000 +#define REALVIEW_TC11MP_PRIV_MEM_SIZE SZ_8K #define REALVIEW_TC11MP_SCU_BASE 0x1F000000 /* IRQ, Test chip */ #define REALVIEW_TC11MP_GIC_CPU_BASE 0x1F000100 /* Test chip interrupt controller CPU interface */ #define REALVIEW_TC11MP_TWD_BASE 0x1F000600 diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index e62962117763..9578145f2df0 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -91,14 +91,9 @@ static struct map_desc realview_eb_io_desc[] __initdata = { static struct map_desc realview_eb11mp_io_desc[] __initdata = { { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_SCU_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_SCU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_GIC_DIST_BASE), - .length = SZ_4K, + .virtual = IO_ADDRESS(REALVIEW_EB11MP_PRIV_MEM_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB11MP_PRIV_MEM_BASE), + .length = REALVIEW_EB11MP_PRIV_MEM_SIZE, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_EB11MP_L220_BASE), diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c index 127a3fd42ab1..2147335f66f5 100644 --- a/arch/arm/mach-realview/realview_pb11mp.c +++ b/arch/arm/mach-realview/realview_pb11mp.c @@ -64,15 +64,10 @@ static struct map_desc realview_pb11mp_io_desc[] __initdata = { .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE), .length = SZ_4K, .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE), - .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_DIST_BASE), - .length = SZ_4K, + }, { /* Maps the SCU, GIC CPU interface, TWD, GIC DIST */ + .virtual = IO_ADDRESS(REALVIEW_TC11MP_PRIV_MEM_BASE), + .pfn = __phys_to_pfn(REALVIEW_TC11MP_PRIV_MEM_BASE), + .length = REALVIEW_TC11MP_PRIV_MEM_SIZE, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index ebafe8aa8956..0c4b76ab4d8e 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -202,7 +202,6 @@ static struct irda_platform_data assabet_irda_data = { static struct mcp_plat_data assabet_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1x00", }; static void __init assabet_init(void) @@ -253,17 +252,6 @@ static void __init assabet_init(void) sa11x0_register_mtd(&assabet_flash_data, assabet_flash_resources, ARRAY_SIZE(assabet_flash_resources)); sa11x0_register_irda(&assabet_irda_data); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - - ASSABET_BCR_set(ASSABET_BCR_CODEC_RST); sa11x0_register_mcp(&assabet_mcp_data); } diff --git a/arch/arm/mach-sa1100/cerf.c b/arch/arm/mach-sa1100/cerf.c index d12d0f48b1dc..11bb6d0b9be3 100644 --- a/arch/arm/mach-sa1100/cerf.c +++ b/arch/arm/mach-sa1100/cerf.c @@ -124,23 +124,12 @@ static void __init cerf_map_io(void) static struct mcp_plat_data cerf_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1x00", }; static void __init cerf_init(void) { platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices)); sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&cerf_mcp_data); } diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c index d6df9f6c9f7e..dab3c6347a8f 100644 --- a/arch/arm/mach-sa1100/clock.c +++ b/arch/arm/mach-sa1100/clock.c @@ -11,39 +11,17 @@ #include <linux/clk.h> #include <linux/spinlock.h> #include <linux/mutex.h> -#include <linux/io.h> -#include <linux/clkdev.h> #include <mach/hardware.h> -struct clkops { - void (*enable)(struct clk *); - void (*disable)(struct clk *); - unsigned long (*getrate)(struct clk *); -}; - +/* + * Very simple clock implementation - we only have one clock to deal with. + */ struct clk { - const struct clkops *ops; - unsigned long rate; unsigned int enabled; }; -#define INIT_CLKREG(_clk, _devname, _conname) \ - { \ - .clk = _clk, \ - .dev_id = _devname, \ - .con_id = _conname, \ - } - -#define DEFINE_CLK(_name, _ops, _rate) \ -struct clk clk_##_name = { \ - .ops = _ops, \ - .rate = _rate, \ - } - -static DEFINE_SPINLOCK(clocks_lock); - -static void clk_gpio27_enable(struct clk *clk) +static void clk_gpio27_enable(void) { /* * First, set up the 3.6864MHz clock on GPIO 27 for the SA-1111: @@ -54,22 +32,38 @@ static void clk_gpio27_enable(struct clk *clk) TUCR = TUCR_3_6864MHz; } -static void clk_gpio27_disable(struct clk *clk) +static void clk_gpio27_disable(void) { TUCR = 0; GPDR &= ~GPIO_32_768kHz; GAFR &= ~GPIO_32_768kHz; } +static struct clk clk_gpio27; + +static DEFINE_SPINLOCK(clocks_lock); + +struct clk *clk_get(struct device *dev, const char *id) +{ + const char *devname = dev_name(dev); + + return strcmp(devname, "sa1111.0") ? ERR_PTR(-ENOENT) : &clk_gpio27; +} +EXPORT_SYMBOL(clk_get); + +void clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_put); + int clk_enable(struct clk *clk) { unsigned long flags; spin_lock_irqsave(&clocks_lock, flags); if (clk->enabled++ == 0) - clk->ops->enable(clk); + clk_gpio27_enable(); spin_unlock_irqrestore(&clocks_lock, flags); - return 0; } EXPORT_SYMBOL(clk_enable); @@ -82,48 +76,13 @@ void clk_disable(struct clk *clk) spin_lock_irqsave(&clocks_lock, flags); if (--clk->enabled == 0) - clk->ops->disable(clk); + clk_gpio27_disable(); spin_unlock_irqrestore(&clocks_lock, flags); } EXPORT_SYMBOL(clk_disable); unsigned long clk_get_rate(struct clk *clk) { - unsigned long rate; - - rate = clk->rate; - if (clk->ops->getrate) - rate = clk->ops->getrate(clk); - - return rate; + return 3686400; } EXPORT_SYMBOL(clk_get_rate); - -const struct clkops clk_gpio27_ops = { - .enable = clk_gpio27_enable, - .disable = clk_gpio27_disable, -}; - -static void clk_dummy_enable(struct clk *clk) { } -static void clk_dummy_disable(struct clk *clk) { } - -const struct clkops clk_dummy_ops = { - .enable = clk_dummy_enable, - .disable = clk_dummy_disable, -}; - -static DEFINE_CLK(gpio27, &clk_gpio27_ops, 3686400); -static DEFINE_CLK(dummy, &clk_dummy_ops, 0); - -static struct clk_lookup sa11xx_clkregs[] = { - INIT_CLKREG(&clk_gpio27, "sa1111.0", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), -}; - -static int __init sa11xx_clk_init(void) -{ - clkdev_add_table(sa11xx_clkregs, ARRAY_SIZE(sa11xx_clkregs)); - return 0; -} - -postcore_initcall(sa11xx_clk_init); diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index c483912d08af..fd5652118ed1 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -27,7 +27,6 @@ #include <linux/timer.h> #include <linux/gpio.h> #include <linux/pda_power.h> -#include <linux/mfd/ucb1x00.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -86,15 +85,10 @@ static struct scoop_pcmcia_config collie_pcmcia_config = { .num_devs = 1, }; -static struct ucb1x00_plat_data collie_ucb1x00_data = { - .gpio_base = COLLIE_TC35143_GPIO_BASE, -}; - static struct mcp_plat_data collie_mcp_data = { .mccr0 = MCCR0_ADM | MCCR0_ExtClk, .sclk_rate = 9216000, - .codec = "ucb1x00", - .codec_pdata = &collie_ucb1x00_data, + .gpio_base = COLLIE_TC35143_GPIO_BASE, }; /* @@ -144,8 +138,6 @@ static struct pda_power_pdata collie_power_data = { static struct resource collie_power_resource[] = { { .name = "ac", - .start = gpio_to_irq(COLLIE_GPIO_AC_IN), - .end = gpio_to_irq(COLLIE_GPIO_AC_IN), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, @@ -347,7 +339,8 @@ static void __init collie_init(void) GPSR |= _COLLIE_GPIO_UCB1x00_RESET; - + collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN); + collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN); platform_scoop_config = &collie_pcmcia_config; ret = platform_add_devices(devices, ARRAY_SIZE(devices)); @@ -357,16 +350,6 @@ static void __init collie_init(void) sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, ARRAY_SIZE(collie_flash_resources)); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&collie_mcp_data); sharpsl_save_param(); diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c index aaa8acf76b7b..19b2053f5af4 100644 --- a/arch/arm/mach-sa1100/cpu-sa1100.c +++ b/arch/arm/mach-sa1100/cpu-sa1100.c @@ -228,7 +228,7 @@ static int __init sa1100_cpu_init(struct cpufreq_policy *policy) return 0; } -static struct cpufreq_driver sa1100_driver = { +static struct cpufreq_driver sa1100_driver __refdata = { .flags = CPUFREQ_STICKY, .verify = sa11x0_verify_speed, .target = sa1100_target, diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c index e3a28ca2a7b7..bb10ee2cb89f 100644 --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -217,15 +217,10 @@ static struct platform_device sa11x0uart3_device = { static struct resource sa11x0mcp_resources[] = { [0] = { .start = __PREG(Ser4MCCR0), - .end = __PREG(Ser4MCCR0) + 0x1C - 1, + .end = __PREG(Ser4MCCR0) + 0xffff, .flags = IORESOURCE_MEM, }, [1] = { - .start = __PREG(Ser4MCCR1), - .end = __PREG(Ser4MCCR1) + 0x4 - 1, - .flags = IORESOURCE_MEM, - }, - [2] = { .start = IRQ_Ser4MCP, .end = IRQ_Ser4MCP, .flags = IORESOURCE_IRQ, @@ -350,29 +345,9 @@ void sa11x0_register_irda(struct irda_platform_data *irda) sa11x0_register_device(&sa11x0ir_device, irda); } -static struct resource sa11x0rtc_resources[] = { - [0] = { - .start = 0x90010000, - .end = 0x900100ff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_RTC1Hz, - .end = IRQ_RTC1Hz, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = IRQ_RTCAlrm, - .end = IRQ_RTCAlrm, - .flags = IORESOURCE_IRQ, - }, -}; - static struct platform_device sa11x0rtc_device = { .name = "sa1100-rtc", .id = -1, - .resource = sa11x0rtc_resources, - .num_resources = ARRAY_SIZE(sa11x0rtc_resources), }; static struct platform_device *sa11x0_devices[] __initdata = { diff --git a/arch/arm/mach-sa1100/include/mach/mcp.h b/arch/arm/mach-sa1100/include/mach/mcp.h index 586cec898b35..ed1a331508a7 100644 --- a/arch/arm/mach-sa1100/include/mach/mcp.h +++ b/arch/arm/mach-sa1100/include/mach/mcp.h @@ -17,8 +17,6 @@ struct mcp_plat_data { u32 mccr1; unsigned int sclk_rate; int gpio_base; - const char *codec; - void *codec_pdata; }; #endif diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c index f50b00bd18a0..b412fc09c80c 100644 --- a/arch/arm/mach-sa1100/jornada720_ssp.c +++ b/arch/arm/mach-sa1100/jornada720_ssp.c @@ -198,3 +198,5 @@ static int __init jornada_ssp_init(void) { return platform_driver_register(&jornadassp_driver); } + +module_init(jornada_ssp_init); diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c index d117ceab6215..af4e2761f3db 100644 --- a/arch/arm/mach-sa1100/lart.c +++ b/arch/arm/mach-sa1100/lart.c @@ -24,20 +24,10 @@ static struct mcp_plat_data lart_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1x00", }; static void __init lart_init(void) { - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&lart_mcp_data); } diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c index 748d34435b3f..318b2b766a0b 100644 --- a/arch/arm/mach-sa1100/shannon.c +++ b/arch/arm/mach-sa1100/shannon.c @@ -55,22 +55,11 @@ static struct resource shannon_flash_resource = { static struct mcp_plat_data shannon_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1x00", }; static void __init shannon_init(void) { sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&shannon_mcp_data); } diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c index 458ececefa58..e17c04d6e324 100644 --- a/arch/arm/mach-sa1100/simpad.c +++ b/arch/arm/mach-sa1100/simpad.c @@ -14,7 +14,6 @@ #include <linux/mtd/partitions.h> #include <linux/io.h> #include <linux/gpio.h> -#include <linux/mfd/ucb1x00.h> #include <asm/irq.h> #include <mach/hardware.h> @@ -188,15 +187,10 @@ static struct resource simpad_flash_resources [] = { } }; -static struct ucb1x00_plat_data simpad_ucb1x00_data = { - .gpio_base = SIMPAD_UCB1X00_GPIO_BASE, -}; - static struct mcp_plat_data simpad_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1300", - .codec_pdata = &simpad_ucb1x00_data, + .gpio_base = SIMPAD_UCB1X00_GPIO_BASE, }; @@ -384,16 +378,6 @@ static int __init simpad_init(void) sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources, ARRAY_SIZE(simpad_flash_resources)); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&simpad_mcp_data); ret = platform_add_devices(devices, ARRAY_SIZE(devices)); diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c index cc97ef892d1b..4fe2e9eaf501 100644 --- a/arch/arm/mach-shmobile/smp-r8a7779.c +++ b/arch/arm/mach-shmobile/smp-r8a7779.c @@ -25,6 +25,7 @@ #include <linux/delay.h> #include <mach/common.h> #include <mach/r8a7779.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <asm/smp_twd.h> #include <asm/hardware/gic.h> diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index be1ade76ccc8..0d159d64a345 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -23,6 +23,7 @@ #include <linux/spinlock.h> #include <linux/io.h> #include <mach/common.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <asm/smp_twd.h> #include <asm/hardware/gic.h> diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index a3e0c8692f0d..52af00446a63 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -7,6 +7,7 @@ config UX500_SOC_COMMON select HAS_MTU select ARM_ERRATA_753970 select ARM_ERRATA_754322 + select ARM_ERRATA_764369 menu "Ux500 SoC" diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c index 23be34b3bb6e..5dde4d4ebe88 100644 --- a/arch/arm/mach-ux500/board-mop500-sdi.c +++ b/arch/arm/mach-ux500/board-mop500-sdi.c @@ -261,6 +261,8 @@ void __init mop500_sdi_init(void) void __init snowball_sdi_init(void) { + /* On Snowball MMC_CAP_SD_HIGHSPEED isn't supported (Hardware issue?) */ + mop500_sdi0_data.capabilities &= ~MMC_CAP_SD_HIGHSPEED; /* On-board eMMC */ db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID); /* External Micro SD slot */ diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c index 122ddde00ba7..da5569d83d58 100644 --- a/arch/arm/mach-ux500/cache-l2x0.c +++ b/arch/arm/mach-ux500/cache-l2x0.c @@ -12,44 +12,6 @@ static void __iomem *l2x0_base; -static inline void ux500_cache_wait(void __iomem *reg, unsigned long mask) -{ - /* wait for the operation to complete */ - while (readl_relaxed(reg) & mask) - cpu_relax(); -} - -static inline void ux500_cache_sync(void) -{ - writel_relaxed(0, l2x0_base + L2X0_CACHE_SYNC); - ux500_cache_wait(l2x0_base + L2X0_CACHE_SYNC, 1); -} - -/* - * The L2 cache cannot be turned off in the non-secure world. - * Dummy until a secure service is in place. - */ -static void ux500_l2x0_disable(void) -{ -} - -/* - * This is only called when doing a kexec, just after turning off the L2 - * and L1 cache, and it is surrounded by a spinlock in the generic version. - * However, we're not really turning off the L2 cache right now and the - * PL310 does not support exclusive accesses (used to implement the spinlock). - * So, the invalidation needs to be done without the spinlock. - */ -static void ux500_l2x0_inv_all(void) -{ - uint32_t l2x0_way_mask = (1<<16) - 1; /* Bitmask of active ways */ - - /* invalidate all ways */ - writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); - ux500_cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask); - ux500_cache_sync(); -} - static int __init ux500_l2x0_unlock(void) { int i; @@ -85,9 +47,13 @@ static int __init ux500_l2x0_init(void) /* 64KB way size, 8 way associativity, force WA */ l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff); - /* Override invalidate function */ - outer_cache.disable = ux500_l2x0_disable; - outer_cache.inv_all = ux500_l2x0_inv_all; + /* + * We can't disable l2 as we are in non secure mode, currently + * this seems be called only during kexec path. So let's + * override outer.disable with nasty assignment until we have + * some SMI service available. + */ + outer_cache.disable = NULL; return 0; } diff --git a/arch/arm/mach-ux500/hotplug.c b/arch/arm/mach-ux500/hotplug.c index 572015e57cd9..c76f0f456f04 100644 --- a/arch/arm/mach-ux500/hotplug.c +++ b/arch/arm/mach-ux500/hotplug.c @@ -13,6 +13,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> extern volatile int pen_release; diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index a19e398dade3..d2058ef8345f 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -19,6 +19,7 @@ #include <asm/cacheflush.h> #include <asm/hardware/gic.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <mach/hardware.h> #include <mach/setup.h> diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c index 0a01cbdfe063..9f9e1c203061 100644 --- a/arch/arm/mach-ux500/usb.c +++ b/arch/arm/mach-ux500/usb.c @@ -95,13 +95,7 @@ static struct musb_hdrc_config musb_hdrc_config = { }; static struct musb_hdrc_platform_data musb_platform_data = { -#if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, -#elif defined(CONFIG_USB_MUSB_PERIPHERAL) - .mode = MUSB_PERIPHERAL, -#else /* defined(CONFIG_USB_MUSB_HOST) */ - .mode = MUSB_HOST, -#endif .config = &musb_hdrc_config, .board_data = &musb_board_data, }; diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index 2b1e836a76ed..b1e87c184e54 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c @@ -217,7 +217,7 @@ static void __init ct_ca9x4_init(void) } #ifdef CONFIG_SMP -static void ct_ca9x4_init_cpu_map(void) +static void __init ct_ca9x4_init_cpu_map(void) { int i, ncores = scu_get_core_count(MMIO_P2V(A9_MPCORE_SCU)); @@ -233,7 +233,7 @@ static void ct_ca9x4_init_cpu_map(void) set_smp_cross_call(gic_raise_softirq); } -static void ct_ca9x4_smp_enable(unsigned int max_cpus) +static void __init ct_ca9x4_smp_enable(unsigned int max_cpus) { scu_enable(MMIO_P2V(A9_MPCORE_SCU)); } diff --git a/arch/arm/mach-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c index 813ee08f96e6..3034a4dab4a1 100644 --- a/arch/arm/mach-vexpress/hotplug.c +++ b/arch/arm/mach-vexpress/hotplug.c @@ -13,6 +13,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <asm/system.h> extern volatile int pen_release; diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 4cefb57d9ed2..1a3ca2488164 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -882,6 +882,7 @@ config CACHE_XSC3L2 config ARM_L1_CACHE_SHIFT_6 bool + default y if CPU_V7 help Setting ARM L1 cache line size to 64 Bytes. diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 6ec1226fc62d..5dc7d127a40f 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -310,7 +310,7 @@ static void arm_memory_present(void) static bool arm_memblock_steal_permitted = true; -phys_addr_t arm_memblock_steal(phys_addr_t size, phys_addr_t align) +phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align) { phys_addr_t phys; diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 80632e8d7538..ba159370fa5f 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -225,7 +225,8 @@ void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn, if ((area->flags & VM_ARM_MTYPE_MASK) != VM_ARM_MTYPE(mtype)) continue; if (__phys_to_pfn(area->phys_addr) > pfn || - __pfn_to_phys(pfn) + size-1 > area->phys_addr + area->size-1) + __pfn_to_phys(pfn) + offset + size-1 > + area->phys_addr + area->size-1) continue; /* we can drop the lock here as we know *area is static */ read_unlock(&vmlist_lock); diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 7e9b5bf910c1..0404ccbb8aa3 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -148,10 +148,6 @@ ENDPROC(cpu_v7_do_resume) * Initialise TLB, Caches, and MMU state ready to switch the MMU * on. Return in r0 the new CP15 C1 control register setting. * - * We automatically detect if we have a Harvard cache, and use the - * Harvard cache control instructions insead of the unified cache - * control instructions. - * * This should be able to cover all ARMv7 cores. * * It is assumed that: @@ -251,9 +247,7 @@ __v7_setup: #endif 3: mov r10, #0 -#ifdef HARVARD_CACHE mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate -#endif dsb #ifdef CONFIG_MMU mcr p15, 0, r10, c8, c7, 0 @ invalidate I + D TLBs @@ -330,16 +324,6 @@ __v7_ca5mp_proc_info: .size __v7_ca5mp_proc_info, . - __v7_ca5mp_proc_info /* - * ARM Ltd. Cortex A7 processor. - */ - .type __v7_ca7mp_proc_info, #object -__v7_ca7mp_proc_info: - .long 0x410fc070 - .long 0xff0ffff0 - __v7_proc __v7_ca7mp_setup, hwcaps = HWCAP_IDIV - .size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info - - /* * ARM Ltd. Cortex A9 processor. */ .type __v7_ca9mp_proc_info, #object @@ -351,6 +335,16 @@ __v7_ca9mp_proc_info: #endif /* CONFIG_ARM_LPAE */ /* + * ARM Ltd. Cortex A7 processor. + */ + .type __v7_ca7mp_proc_info, #object +__v7_ca7mp_proc_info: + .long 0x410fc070 + .long 0xff0ffff0 + __v7_proc __v7_ca7mp_setup, hwcaps = HWCAP_IDIV + .size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info + + /* * ARM Ltd. Cortex A15 processor. */ .type __v7_ca15mp_proc_info, #object diff --git a/arch/arm/plat-mxc/include/mach/iomux-v1.h b/arch/arm/plat-mxc/include/mach/iomux-v1.h index 6fa8a707b9a0..f7d18046c04f 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-v1.h +++ b/arch/arm/plat-mxc/include/mach/iomux-v1.h @@ -96,6 +96,6 @@ extern int mxc_gpio_mode(int gpio_mode); extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count, const char *label); -extern int __init imx_iomuxv1_init(void __iomem *base, int numports); +extern int imx_iomuxv1_init(void __iomem *base, int numports); #endif /* __MACH_IOMUX_V1_H__ */ diff --git a/arch/arm/plat-versatile/platsmp.c b/arch/arm/plat-versatile/platsmp.c index 92f18d372b69..49c7db48c7f1 100644 --- a/arch/arm/plat-versatile/platsmp.c +++ b/arch/arm/plat-versatile/platsmp.c @@ -16,6 +16,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <asm/hardware/gic.h> /* diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 74f23a460ba2..c8d6efb99dbf 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -19,6 +19,7 @@ config MICROBLAZE select GENERIC_IRQ_SHOW select GENERIC_PCI_IOMAP select GENERIC_CPU_DEVICES + select GENERIC_ATOMIC64 config SWAP def_bool n diff --git a/arch/microblaze/include/asm/atomic.h b/arch/microblaze/include/asm/atomic.h index 6d2e1d418be7..615f53992c65 100644 --- a/arch/microblaze/include/asm/atomic.h +++ b/arch/microblaze/include/asm/atomic.h @@ -2,6 +2,7 @@ #define _ASM_MICROBLAZE_ATOMIC_H #include <asm-generic/atomic.h> +#include <asm-generic/atomic64.h> /* * Atomically test *v and decrement if it is greater than 0. diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index d4fc1a971779..604cd9dd1333 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -26,7 +26,6 @@ #include <linux/cache.h> #include <linux/of_platform.h> #include <linux/dma-mapping.h> -#include <linux/cpu.h> #include <asm/cacheflush.h> #include <asm/entry.h> #include <asm/cpuinfo.h> @@ -227,23 +226,5 @@ static int __init setup_bus_notifier(void) return 0; } -arch_initcall(setup_bus_notifier); - -static DEFINE_PER_CPU(struct cpu, cpu_devices); - -static int __init topology_init(void) -{ - int i, ret; - - for_each_present_cpu(i) { - struct cpu *c = &per_cpu(cpu_devices, i); - ret = register_cpu(c, i); - if (ret) - printk(KERN_WARNING "topology_init: register_cpu %d " - "failed (%d)\n", i, ret); - } - - return 0; -} -subsys_initcall(topology_init); +arch_initcall(setup_bus_notifier); diff --git a/arch/s390/Makefile b/arch/s390/Makefile index e9f353341693..0ad2f1e1ce9e 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -88,7 +88,6 @@ KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare KBUILD_AFLAGS += $(aflags-y) OBJCOPYFLAGS := -O binary -LDFLAGS_vmlinux := -e start head-y := arch/s390/kernel/head.o head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o) diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index e4c79ebb40e6..21109c63eb12 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -9,12 +9,12 @@ #ifndef CONFIG_64BIT OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") OUTPUT_ARCH(s390) -ENTRY(_start) +ENTRY(startup) jiffies = jiffies_64 + 4; #else OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") OUTPUT_ARCH(s390:64-bit) -ENTRY(_start) +ENTRY(startup) jiffies = jiffies_64; #endif diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 96657992a72e..ca5580e4d813 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -33,6 +33,7 @@ config SPARC config SPARC32 def_bool !64BIT select GENERIC_ATOMIC64 + select CLZ_TAB config SPARC64 def_bool 64BIT diff --git a/arch/sparc/lib/divdi3.S b/arch/sparc/lib/divdi3.S index 681b3683da9e..d74bc0925f2d 100644 --- a/arch/sparc/lib/divdi3.S +++ b/arch/sparc/lib/divdi3.S @@ -17,23 +17,9 @@ along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - .data - .align 8 - .globl __clz_tab -__clz_tab: - .byte 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5 - .byte 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6 - .byte 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 - .byte 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .size __clz_tab,256 - .global .udiv - .text .align 4 + .global .udiv .globl __divdi3 __divdi3: save %sp,-104,%sp diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h index 0c9fa2745f13..b3b733262909 100644 --- a/arch/x86/include/asm/cmpxchg.h +++ b/arch/x86/include/asm/cmpxchg.h @@ -145,13 +145,13 @@ extern void __add_wrong_size(void) #ifdef __HAVE_ARCH_CMPXCHG #define cmpxchg(ptr, old, new) \ - __cmpxchg((ptr), (old), (new), sizeof(*ptr)) + __cmpxchg(ptr, old, new, sizeof(*(ptr))) #define sync_cmpxchg(ptr, old, new) \ - __sync_cmpxchg((ptr), (old), (new), sizeof(*ptr)) + __sync_cmpxchg(ptr, old, new, sizeof(*(ptr))) #define cmpxchg_local(ptr, old, new) \ - __cmpxchg_local((ptr), (old), (new), sizeof(*ptr)) + __cmpxchg_local(ptr, old, new, sizeof(*(ptr))) #endif /* diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index f8bddb5b0600..3c44b712380c 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -988,9 +988,6 @@ static void x86_pmu_start(struct perf_event *event, int flags) struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); int idx = event->hw.idx; - if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED))) - return; - if (WARN_ON_ONCE(idx == -1)) return; diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c index 73da6b64f5b7..d6bd49faa40c 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c @@ -439,7 +439,6 @@ void intel_pmu_pebs_enable(struct perf_event *event) hwc->config &= ~ARCH_PERFMON_EVENTSEL_INT; cpuc->pebs_enabled |= 1ULL << hwc->idx; - WARN_ON_ONCE(cpuc->enabled); if (x86_pmu.intel_cap.pebs_trap && event->attr.precise_ip > 1) intel_pmu_lbr_enable(event); diff --git a/arch/x86/kernel/cpu/perf_event_intel_lbr.c b/arch/x86/kernel/cpu/perf_event_intel_lbr.c index 3fab3de3ce96..47a7e63bfe54 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_lbr.c +++ b/arch/x86/kernel/cpu/perf_event_intel_lbr.c @@ -72,8 +72,6 @@ void intel_pmu_lbr_enable(struct perf_event *event) if (!x86_pmu.lbr_nr) return; - WARN_ON_ONCE(cpuc->enabled); - /* * Reset the LBR stack if we changed task context to * avoid data leaks. diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 1aae78f775fc..4025fe4f928f 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -252,7 +252,8 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) unsigned short ss; unsigned long sp; #endif - printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); + printk(KERN_DEFAULT + "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); #ifdef CONFIG_PREEMPT printk("PREEMPT "); #endif diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index af7785ff5aa0..17107bd6e1f0 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -269,11 +269,11 @@ void show_registers(struct pt_regs *regs) unsigned char c; u8 *ip; - printk(KERN_EMERG "Stack:\n"); + printk(KERN_DEFAULT "Stack:\n"); show_stack_log_lvl(NULL, regs, (unsigned long *)sp, - 0, KERN_EMERG); + 0, KERN_DEFAULT); - printk(KERN_EMERG "Code: "); + printk(KERN_DEFAULT "Code: "); ip = (u8 *)regs->ip - code_prologue; if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 37a458b521a6..d840e69a853c 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -39,6 +39,14 @@ static int reboot_mode; enum reboot_type reboot_type = BOOT_ACPI; int reboot_force; +/* This variable is used privately to keep track of whether or not + * reboot_type is still set to its default value (i.e., reboot= hasn't + * been set on the command line). This is needed so that we can + * suppress DMI scanning for reboot quirks. Without it, it's + * impossible to override a faulty reboot quirk without recompiling. + */ +static int reboot_default = 1; + #if defined(CONFIG_X86_32) && defined(CONFIG_SMP) static int reboot_cpu = -1; #endif @@ -67,6 +75,12 @@ bool port_cf9_safe = false; static int __init reboot_setup(char *str) { for (;;) { + /* Having anything passed on the command line via + * reboot= will cause us to disable DMI checking + * below. + */ + reboot_default = 0; + switch (*str) { case 'w': reboot_mode = 0x1234; @@ -295,14 +309,6 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_BOARD_NAME, "P4S800"), }, }, - { /* Handle problems with rebooting on VersaLogic Menlow boards */ - .callback = set_bios_reboot, - .ident = "VersaLogic Menlow based board", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"), - DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"), - }, - }, { /* Handle reboot issue on Acer Aspire one */ .callback = set_kbd_reboot, .ident = "Acer Aspire One A110", @@ -316,7 +322,12 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { static int __init reboot_init(void) { - dmi_check_system(reboot_dmi_table); + /* Only do the DMI check if reboot_type hasn't been overridden + * on the command line + */ + if (reboot_default) { + dmi_check_system(reboot_dmi_table); + } return 0; } core_initcall(reboot_init); @@ -465,7 +476,12 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = { static int __init pci_reboot_init(void) { - dmi_check_system(pci_reboot_dmi_table); + /* Only do the DMI check if reboot_type hasn't been overridden + * on the command line + */ + if (reboot_default) { + dmi_check_system(pci_reboot_dmi_table); + } return 0; } core_initcall(pci_reboot_init); diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 9d74824a708d..f0b4caf85c1a 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -673,7 +673,7 @@ no_context(struct pt_regs *regs, unsigned long error_code, stackend = end_of_stack(tsk); if (tsk != &init_task && *stackend != STACK_END_MAGIC) - printk(KERN_ALERT "Thread overran stack, or stack corrupted\n"); + printk(KERN_EMERG "Thread overran stack, or stack corrupted\n"); tsk->thread.cr2 = address; tsk->thread.trap_no = 14; @@ -684,7 +684,7 @@ no_context(struct pt_regs *regs, unsigned long error_code, sig = 0; /* Executive summary in case the body of the oops scrolled away */ - printk(KERN_EMERG "CR2: %016lx\n", address); + printk(KERN_DEFAULT "CR2: %016lx\n", address); oops_end(flags, regs, sig); } diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index cc9b1e182fcf..d69cc6c3f808 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -116,9 +116,26 @@ static inline void spin_time_accum_blocked(u64 start) } #endif /* CONFIG_XEN_DEBUG_FS */ +/* + * Size struct xen_spinlock so it's the same as arch_spinlock_t. + */ +#if NR_CPUS < 256 +typedef u8 xen_spinners_t; +# define inc_spinners(xl) \ + asm(LOCK_PREFIX " incb %0" : "+m" ((xl)->spinners) : : "memory"); +# define dec_spinners(xl) \ + asm(LOCK_PREFIX " decb %0" : "+m" ((xl)->spinners) : : "memory"); +#else +typedef u16 xen_spinners_t; +# define inc_spinners(xl) \ + asm(LOCK_PREFIX " incw %0" : "+m" ((xl)->spinners) : : "memory"); +# define dec_spinners(xl) \ + asm(LOCK_PREFIX " decw %0" : "+m" ((xl)->spinners) : : "memory"); +#endif + struct xen_spinlock { unsigned char lock; /* 0 -> free; 1 -> locked */ - unsigned short spinners; /* count of waiting cpus */ + xen_spinners_t spinners; /* count of waiting cpus */ }; static int xen_spin_is_locked(struct arch_spinlock *lock) @@ -164,8 +181,7 @@ static inline struct xen_spinlock *spinning_lock(struct xen_spinlock *xl) wmb(); /* set lock of interest before count */ - asm(LOCK_PREFIX " incw %0" - : "+m" (xl->spinners) : : "memory"); + inc_spinners(xl); return prev; } @@ -176,8 +192,7 @@ static inline struct xen_spinlock *spinning_lock(struct xen_spinlock *xl) */ static inline void unspinning_lock(struct xen_spinlock *xl, struct xen_spinlock *prev) { - asm(LOCK_PREFIX " decw %0" - : "+m" (xl->spinners) : : "memory"); + dec_spinners(xl); wmb(); /* decrement count before restoring lock */ __this_cpu_write(lock_spinners, prev); } @@ -373,6 +388,8 @@ void xen_uninit_lock_cpu(int cpu) void __init xen_init_spinlocks(void) { + BUILD_BUG_ON(sizeof(struct xen_spinlock) > sizeof(arch_spinlock_t)); + pv_lock_ops.spin_is_locked = xen_spin_is_locked; pv_lock_ops.spin_is_contended = xen_spin_is_contended; pv_lock_ops.spin_lock = xen_spin_lock; |