diff options
Diffstat (limited to 'arch/powerpc/kernel')
73 files changed, 673 insertions, 701 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 803858e8616..814f242aeb8 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -50,7 +50,8 @@ extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o extra-$(CONFIG_8xx) := head_8xx.o extra-y += vmlinux.lds -obj-y += time.o prom.o traps.o setup-common.o udbg.o +obj-y += time.o prom.o traps.o setup-common.o \ + udbg.o misc.o obj-$(CONFIG_PPC32) += entry_32.o setup_32.o misc_32.o obj-$(CONFIG_PPC64) += misc_64.o dma_64.o iommu.o obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index ff294054892..7ee84968087 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -13,7 +13,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/signal.h> #include <linux/sched.h> #include <linux/kernel.h> diff --git a/arch/powerpc/kernel/binfmt_elf32.c b/arch/powerpc/kernel/binfmt_elf32.c index 8ad6b0f3365..5cb58757e1b 100644 --- a/arch/powerpc/kernel/binfmt_elf32.c +++ b/arch/powerpc/kernel/binfmt_elf32.c @@ -19,7 +19,6 @@ #include <asm/processor.h> #include <linux/module.h> -#include <linux/config.h> #include <linux/elfcore.h> #include <linux/compat.h> diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 6223d39177c..a6920919d68 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -3,7 +3,6 @@ * * Benjamin Herrenschmidt <benh@kernel.crashing.org> */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/init.h> diff --git a/arch/powerpc/kernel/cpu_setup_6xx.S b/arch/powerpc/kernel/cpu_setup_6xx.S index 365381fcb27..8b4a4ee85ec 100644 --- a/arch/powerpc/kernel/cpu_setup_6xx.S +++ b/arch/powerpc/kernel/cpu_setup_6xx.S @@ -9,7 +9,6 @@ * */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/cputable.h> diff --git a/arch/powerpc/kernel/cpu_setup_power4.S b/arch/powerpc/kernel/cpu_setup_power4.S index 271418308d5..f69af2c5d7b 100644 --- a/arch/powerpc/kernel/cpu_setup_power4.S +++ b/arch/powerpc/kernel/cpu_setup_power4.S @@ -9,7 +9,6 @@ * */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/cputable.h> @@ -125,7 +124,12 @@ _GLOBAL(__save_cpu_setup) cmpwi r0,0x44 bne 2f -1: /* Save HID0,1,4 and 5 */ +1: /* skip if not running in HV mode */ + mfmsr r0 + rldicl. r0,r0,4,63 + beq 2f + + /* Save HID0,1,4 and 5 */ mfspr r3,SPRN_HID0 std r3,CS_HID0(r5) mfspr r3,SPRN_HID1 @@ -159,7 +163,12 @@ _GLOBAL(__restore_cpu_setup) cmpwi r0,0x44 bnelr -1: /* Before accessing memory, we make sure rm_ci is clear */ +1: /* skip if not running in HV mode */ + mfmsr r0 + rldicl. r0,r0,4,63 + beqlr + + /* Before accessing memory, we make sure rm_ci is clear */ li r0,0 mfspr r3,SPRN_HID4 rldimi r3,r0,40,23 /* clear bit 23 (rm_ci) */ diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 1c114880dc0..272e43622fd 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -10,7 +10,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/string.h> #include <linux/sched.h> #include <linux/threads.h> @@ -722,18 +721,6 @@ struct cpu_spec cpu_specs[] = { .oprofile_type = PPC_OPROFILE_G4, .platform = "ppc7450", }, - { /* 8641 */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x80040010, - .cpu_name = "8641", - .cpu_features = CPU_FTRS_7447A, - .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .cpu_setup = __setup_cpu_745x - }, - { /* 82xx (8240, 8245, 8260 are all 603e cores) */ .pvr_mask = 0x7fff0000, .pvr_value = 0x00810000, diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index e253a45dcf1..358cecdc6ae 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -24,9 +24,11 @@ #include <linux/init.h> #include <linux/irq.h> #include <linux/types.h> +#include <linux/irq.h> #include <asm/processor.h> #include <asm/machdep.h> +#include <asm/kexec.h> #include <asm/kdump.h> #include <asm/lmb.h> #include <asm/firmware.h> @@ -41,6 +43,7 @@ /* This keeps a track of which one is crashing cpu. */ int crashing_cpu = -1; +static cpumask_t cpus_in_crash = CPU_MASK_NONE; static u32 *append_elf_note(u32 *buf, char *name, unsigned type, void *data, size_t data_len) @@ -98,34 +101,66 @@ static void crash_save_this_cpu(struct pt_regs *regs, int cpu) } #ifdef CONFIG_SMP -static atomic_t waiting_for_crash_ipi; +static atomic_t enter_on_soft_reset = ATOMIC_INIT(0); void crash_ipi_callback(struct pt_regs *regs) { int cpu = smp_processor_id(); - if (cpu == crashing_cpu) - return; - if (!cpu_online(cpu)) return; - if (ppc_md.kexec_cpu_down) - ppc_md.kexec_cpu_down(1, 1); - local_irq_disable(); + if (!cpu_isset(cpu, cpus_in_crash)) + crash_save_this_cpu(regs, cpu); + cpu_set(cpu, cpus_in_crash); - crash_save_this_cpu(regs, cpu); - atomic_dec(&waiting_for_crash_ipi); + /* + * Entered via soft-reset - could be the kdump + * process is invoked using soft-reset or user activated + * it if some CPU did not respond to an IPI. + * For soft-reset, the secondary CPU can enter this func + * twice. 1 - using IPI, and 2. soft-reset. + * Tell the kexec CPU that entered via soft-reset and ready + * to go down. + */ + if (cpu_isset(cpu, cpus_in_sr)) { + cpu_clear(cpu, cpus_in_sr); + atomic_inc(&enter_on_soft_reset); + } + + /* + * Starting the kdump boot. + * This barrier is needed to make sure that all CPUs are stopped. + * If not, soft-reset will be invoked to bring other CPUs. + */ + while (!cpu_isset(crashing_cpu, cpus_in_crash)) + cpu_relax(); + + if (ppc_md.kexec_cpu_down) + ppc_md.kexec_cpu_down(1, 1); kexec_smp_wait(); /* NOTREACHED */ } -static void crash_kexec_prepare_cpus(void) +/* + * Wait until all CPUs are entered via soft-reset. + */ +static void crash_soft_reset_check(int cpu) +{ + unsigned int ncpus = num_online_cpus() - 1;/* Excluding the panic cpu */ + + cpu_clear(cpu, cpus_in_sr); + while (atomic_read(&enter_on_soft_reset) != ncpus) + cpu_relax(); +} + + +static void crash_kexec_prepare_cpus(int cpu) { unsigned int msecs; - atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1); + unsigned int ncpus = num_online_cpus() - 1;/* Excluding the panic cpu */ crash_send_ipi(crash_ipi_callback); smp_wmb(); @@ -133,14 +168,13 @@ static void crash_kexec_prepare_cpus(void) /* * FIXME: Until we will have the way to stop other CPUSs reliabally, * the crash CPU will send an IPI and wait for other CPUs to - * respond. If not, proceed the kexec boot even though we failed to - * capture other CPU states. + * respond. * Delay of at least 10 seconds. */ - printk(KERN_ALERT "Sending IPI to other cpus...\n"); + printk(KERN_EMERG "Sending IPI to other cpus...\n"); msecs = 10000; - while ((atomic_read(&waiting_for_crash_ipi) > 0) && (--msecs > 0)) { - barrier(); + while ((cpus_weight(cpus_in_crash) < ncpus) && (--msecs > 0)) { + cpu_relax(); mdelay(1); } @@ -149,18 +183,71 @@ static void crash_kexec_prepare_cpus(void) /* * FIXME: In case if we do not get all CPUs, one possibility: ask the * user to do soft reset such that we get all. - * IPI handler is already set by the panic cpu initially. Therefore, - * all cpus could invoke this handler from die() and the panic CPU - * will call machine_kexec() directly from this handler to do - * kexec boot. + * Soft-reset will be used until better mechanism is implemented. + */ + if (cpus_weight(cpus_in_crash) < ncpus) { + printk(KERN_EMERG "done waiting: %d cpu(s) not responding\n", + ncpus - cpus_weight(cpus_in_crash)); + printk(KERN_EMERG "Activate soft-reset to stop other cpu(s)\n"); + cpus_in_sr = CPU_MASK_NONE; + atomic_set(&enter_on_soft_reset, 0); + while (cpus_weight(cpus_in_crash) < ncpus) + cpu_relax(); + } + /* + * Make sure all CPUs are entered via soft-reset if the kdump is + * invoked using soft-reset. */ - if (atomic_read(&waiting_for_crash_ipi)) - printk(KERN_ALERT "done waiting: %d cpus not responding\n", - atomic_read(&waiting_for_crash_ipi)); + if (cpu_isset(cpu, cpus_in_sr)) + crash_soft_reset_check(cpu); /* Leave the IPI callback set */ } + +/* + * This function will be called by secondary cpus or by kexec cpu + * if soft-reset is activated to stop some CPUs. + */ +void crash_kexec_secondary(struct pt_regs *regs) +{ + int cpu = smp_processor_id(); + unsigned long flags; + int msecs = 5; + + local_irq_save(flags); + /* Wait 5ms if the kexec CPU is not entered yet. */ + while (crashing_cpu < 0) { + if (--msecs < 0) { + /* + * Either kdump image is not loaded or + * kdump process is not started - Probably xmon + * exited using 'x'(exit and recover) or + * kexec_should_crash() failed for all running tasks. + */ + cpu_clear(cpu, cpus_in_sr); + local_irq_restore(flags); + return; + } + mdelay(1); + cpu_relax(); + } + if (cpu == crashing_cpu) { + /* + * Panic CPU will enter this func only via soft-reset. + * Wait until all secondary CPUs entered and + * then start kexec boot. + */ + crash_soft_reset_check(cpu); + cpu_set(crashing_cpu, cpus_in_crash); + if (ppc_md.kexec_cpu_down) + ppc_md.kexec_cpu_down(1, 0); + machine_kexec(kexec_crash_image); + /* NOTREACHED */ + } + crash_ipi_callback(regs); +} + #else -static void crash_kexec_prepare_cpus(void) +static void crash_kexec_prepare_cpus(int cpu) { /* * move the secondarys to us so that we can copy @@ -171,6 +258,10 @@ static void crash_kexec_prepare_cpus(void) smp_release_cpus(); } +void crash_kexec_secondary(struct pt_regs *regs) +{ + cpus_in_sr = CPU_MASK_NONE; +} #endif void default_machine_crash_shutdown(struct pt_regs *regs) @@ -190,23 +281,23 @@ void default_machine_crash_shutdown(struct pt_regs *regs) local_irq_disable(); for_each_irq(irq) { - struct irq_desc *desc = irq_descp(irq); + struct irq_desc *desc = irq_desc + irq; if (desc->status & IRQ_INPROGRESS) - desc->handler->end(irq); + desc->chip->end(irq); if (!(desc->status & IRQ_DISABLED)) - desc->handler->disable(irq); + desc->chip->disable(irq); } - if (ppc_md.kexec_cpu_down) - ppc_md.kexec_cpu_down(1, 0); - /* * Make a note of crashing cpu. Will be used in machine_kexec * such that another IPI will not be sent. */ crashing_cpu = smp_processor_id(); - crash_kexec_prepare_cpus(); crash_save_this_cpu(regs, crashing_cpu); + crash_kexec_prepare_cpus(crashing_cpu); + cpu_set(crashing_cpu, cpus_in_crash); + if (ppc_md.kexec_cpu_down) + ppc_md.kexec_cpu_down(1, 0); } diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 8866fd26c6b..c03e829fee3 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -19,7 +19,6 @@ * */ -#include <linux/config.h> #include <linux/errno.h> #include <linux/sys.h> #include <linux/threads.h> diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 221062c960c..54d9f5cdaab 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -18,7 +18,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/errno.h> #include <asm/unistd.h> #include <asm/processor.h> diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c index 0bfe9061720..1679a70bbca 100644 --- a/arch/powerpc/kernel/firmware.c +++ b/arch/powerpc/kernel/firmware.c @@ -13,7 +13,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/module.h> #include <asm/firmware.h> diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S index 01f71200c60..7e2c9fe44ac 100644 --- a/arch/powerpc/kernel/fpu.S +++ b/arch/powerpc/kernel/fpu.S @@ -9,7 +9,6 @@ * */ -#include <linux/config.h> #include <asm/reg.h> #include <asm/page.h> #include <asm/mmu.h> diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index b25b25902d1..d88e182e40b 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -22,7 +22,6 @@ * */ -#include <linux/config.h> #include <asm/reg.h> #include <asm/page.h> #include <asm/mmu.h> diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index 47c7fa148c9..accb39d4991 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -28,7 +28,6 @@ * option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/mmu.h> diff --git a/arch/powerpc/kernel/head_4xx.S b/arch/powerpc/kernel/head_4xx.S index 2590e97f553..adc7f8097cd 100644 --- a/arch/powerpc/kernel/head_4xx.S +++ b/arch/powerpc/kernel/head_4xx.S @@ -31,7 +31,6 @@ * */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/mmu.h> diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 831acbdf259..e16eb2a3317 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -21,7 +21,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/threads.h> #include <asm/reg.h> #include <asm/page.h> @@ -85,34 +84,6 @@ END_FTR_SECTION(0, 1) /* Catch branch to 0 in real mode */ trap -#ifdef CONFIG_PPC_ISERIES - /* - * At offset 0x20, there is a pointer to iSeries LPAR data. - * This is required by the hypervisor - */ - . = 0x20 - .llong hvReleaseData-KERNELBASE - - /* - * At offset 0x28 and 0x30 are offsets to the mschunks_map - * array (used by the iSeries LPAR debugger to do translation - * between physical addresses and absolute addresses) and - * to the pidhash table (also used by the debugger) - */ - .llong mschunks_map-KERNELBASE - .llong 0 /* pidhash-KERNELBASE SFRXXX */ - - /* Offset 0x38 - Pointer to start of embedded System.map */ - .globl embedded_sysmap_start -embedded_sysmap_start: - .llong 0 - /* Offset 0x40 - Pointer to end of embedded System.map */ - .globl embedded_sysmap_end -embedded_sysmap_end: - .llong 0 - -#endif /* CONFIG_PPC_ISERIES */ - /* Secondary processors spin on this value until it goes to 1. */ .globl __secondary_hold_spinloop __secondary_hold_spinloop: @@ -124,6 +95,15 @@ __secondary_hold_spinloop: __secondary_hold_acknowledge: .llong 0x0 +#ifdef CONFIG_PPC_ISERIES + /* + * At offset 0x20, there is a pointer to iSeries LPAR data. + * This is required by the hypervisor + */ + . = 0x20 + .llong hvReleaseData-KERNELBASE +#endif /* CONFIG_PPC_ISERIES */ + . = 0x60 /* * The following code is used on pSeries to hold secondary processors @@ -1602,9 +1582,6 @@ _GLOBAL(__start_initialization_multiplatform) /* Setup some critical 970 SPRs before switching MMU off */ bl .__970_cpu_preinit - /* cpu # */ - li r24,0 - /* Switch off MMU if not already */ LOAD_REG_IMMEDIATE(r4, .__after_prom_start - KERNELBASE) add r4,r4,r30 @@ -1683,6 +1660,9 @@ _STATIC(__after_prom_start) /* i.e. where we are running */ /* the source addr */ + cmpdi r4,0 /* In some cases the loader may */ + beq .start_here_multiplatform /* have already put us at zero */ + /* so we can skip the copy. */ LOAD_REG_IMMEDIATE(r5,copy_to_here) /* # bytes of memory to copy */ sub r5,r5,r27 @@ -1962,14 +1942,6 @@ _STATIC(start_here_common) li r3,0 bl .do_cpu_ftr_fixups - LOAD_REG_IMMEDIATE(r26, boot_cpuid) - lwz r26,0(r26) - - LOAD_REG_IMMEDIATE(r24, paca) /* Get base vaddr of paca array */ - mulli r13,r26,PACA_SIZE /* Calculate vaddr of right paca */ - add r13,r13,r24 /* for this processor. */ - mtspr SPRN_SPRG3,r13 - /* ptr to current */ LOAD_REG_IMMEDIATE(r4, init_task) std r4,PACACURRENT(r13) @@ -1995,17 +1967,6 @@ _STATIC(start_here_common) /* Not reached */ BUG_OPCODE -/* Put the paca pointer into r13 and SPRG3 */ -_GLOBAL(setup_boot_paca) - LOAD_REG_IMMEDIATE(r3, boot_cpuid) - lwz r3,0(r3) - LOAD_REG_IMMEDIATE(r4, paca) /* Get base vaddr of paca array */ - mulli r3,r3,PACA_SIZE /* Calculate vaddr of right paca */ - add r13,r3,r4 /* for this processor. */ - mtspr SPRN_SPRG3,r13 - - blr - /* * We put a few things here that have to be page-aligned. * This stuff goes at the beginning of the bss, which is page-aligned. diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 28941f5ce67..901be47a02a 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -19,7 +19,6 @@ * */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/mmu.h> diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index dd86bbed762..66877bdfe0b 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -30,7 +30,6 @@ * option) any later version. */ -#include <linux/config.h> #include <linux/threads.h> #include <asm/processor.h> #include <asm/page.h> diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index d491052c8e0..4180c3998b3 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -19,7 +19,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/sched.h> #include <linux/kernel.h> #include <linux/smp.h> diff --git a/arch/powerpc/kernel/idle_6xx.S b/arch/powerpc/kernel/idle_6xx.S index b45fa0e3721..01bcd52bbf8 100644 --- a/arch/powerpc/kernel/idle_6xx.S +++ b/arch/powerpc/kernel/idle_6xx.S @@ -13,7 +13,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/threads.h> #include <asm/reg.h> #include <asm/page.h> diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S index d85c7c938ee..30de81da7b4 100644 --- a/arch/powerpc/kernel/idle_power4.S +++ b/arch/powerpc/kernel/idle_power4.S @@ -7,7 +7,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/threads.h> #include <asm/processor.h> #include <asm/page.h> diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 7cb77c20fc5..ba069407172 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -23,7 +23,6 @@ */ -#include <linux/config.h> #include <linux/init.h> #include <linux/types.h> #include <linux/slab.h> @@ -38,6 +37,7 @@ #include <asm/iommu.h> #include <asm/pci-bridge.h> #include <asm/machdep.h> +#include <asm/kdump.h> #define DBG(...) @@ -440,8 +440,37 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) tbl->it_largehint = tbl->it_halfpoint; spin_lock_init(&tbl->it_lock); +#ifdef CONFIG_CRASH_DUMP + if (ppc_md.tce_get) { + unsigned long index, tceval; + unsigned long tcecount = 0; + + /* + * Reserve the existing mappings left by the first kernel. + */ + for (index = 0; index < tbl->it_size; index++) { + tceval = ppc_md.tce_get(tbl, index + tbl->it_offset); + /* + * Freed TCE entry contains 0x7fffffffffffffff on JS20 + */ + if (tceval && (tceval != 0x7fffffffffffffffUL)) { + __set_bit(index, tbl->it_map); + tcecount++; + } + } + if ((tbl->it_size - tcecount) < KDUMP_MIN_TCE_ENTRIES) { + printk(KERN_WARNING "TCE table is full; "); + printk(KERN_WARNING "freeing %d entries for the kdump boot\n", + KDUMP_MIN_TCE_ENTRIES); + for (index = tbl->it_size - KDUMP_MIN_TCE_ENTRIES; + index < tbl->it_size; index++) + __clear_bit(index, tbl->it_map); + } + } +#else /* Clear the hardware table in case firmware left allocations in it */ ppc_md.tce_free(tbl, tbl->it_offset, tbl->it_size); +#endif if (!welcomed) { printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n", diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 40d4c14fde8..525baab45d2 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -38,7 +38,6 @@ #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/timex.h> -#include <linux/config.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/delay.h> @@ -120,8 +119,8 @@ int show_interrupts(struct seq_file *p, void *v) #else seq_printf(p, "%10u ", kstat_irqs(i)); #endif /* CONFIG_SMP */ - if (desc->handler) - seq_printf(p, " %s ", desc->handler->typename); + if (desc->chip) + seq_printf(p, " %s ", desc->chip->typename); else seq_puts(p, " None "); seq_printf(p, "%s", (desc->status & IRQ_LEVEL) ? "Level " : "Edge "); @@ -164,13 +163,13 @@ void fixup_irqs(cpumask_t map) if (irq_desc[irq].status & IRQ_PER_CPU) continue; - cpus_and(mask, irq_affinity[irq], map); + cpus_and(mask, irq_desc[irq].affinity, map); if (any_online_cpu(mask) == NR_CPUS) { printk("Breaking affinity for irq %i\n", irq); mask = map; } - if (irq_desc[irq].handler->set_affinity) - irq_desc[irq].handler->set_affinity(irq, mask); + if (irq_desc[irq].chip->set_affinity) + irq_desc[irq].chip->set_affinity(irq, mask); else if (irq_desc[irq].action && !(warned++)) printk("Cannot set affinity for irq %i\n", irq); } diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index f78866367b7..9f0898c8975 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -26,7 +26,6 @@ * for PPC64 */ -#include <linux/config.h> #include <linux/kprobes.h> #include <linux/ptrace.h> #include <linux/preempt.h> diff --git a/arch/powerpc/kernel/l2cr_6xx.S b/arch/powerpc/kernel/l2cr_6xx.S index d7f4e982b53..858f28ac8a0 100644 --- a/arch/powerpc/kernel/l2cr_6xx.S +++ b/arch/powerpc/kernel/l2cr_6xx.S @@ -40,7 +40,6 @@ Author: Terry Greeniaus (tgree@phys.ualberta.ca) Please e-mail updates to this file to me, thanks! */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/cputable.h> #include <asm/ppc_asm.h> diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 6e67b5b49ba..4cf0b971976 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -1,4 +1,3 @@ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/serial.h> #include <linux/serial_8250.h> @@ -302,6 +301,17 @@ void __init find_legacy_serial_ports(void) of_node_put(isa); } + /* First fill our array with tsi-bridge ports */ + for (np = NULL; (np = of_find_compatible_node(np, "serial", "ns16550")) != NULL;) { + struct device_node *tsi = of_get_parent(np); + if (tsi && !strcmp(tsi->type, "tsi-bridge")) { + index = add_legacy_soc_port(np, np); + if (index >= 0 && np == stdout) + legacy_serial_console = index; + } + of_node_put(tsi); + } + #ifdef CONFIG_PCI /* Next, try to locate PCI ports */ for (np = NULL; (np = of_find_all_nodes(np));) { diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index c02deaab26c..23f34daa044 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -18,7 +18,6 @@ * keyword - value pairs that specify the configuration of the partition. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/types.h> #include <linux/errno.h> @@ -45,11 +44,9 @@ static struct proc_dir_entry *proc_ppc64_lparcfg; #define LPARCFG_BUFF_SIZE 4096 -#ifdef CONFIG_PPC_ISERIES - /* - * For iSeries legacy systems, the PPA purr function is available from the - * emulated_time_base field in the paca. + * Track sum of all purrs across all processors. This is used to further + * calculate usage values by different applications */ static unsigned long get_purr(void) { @@ -57,48 +54,31 @@ static unsigned long get_purr(void) int cpu; for_each_possible_cpu(cpu) { - sum_purr += lppaca[cpu].emulated_time_base; + if (firmware_has_feature(FW_FEATURE_ISERIES)) + sum_purr += lppaca[cpu].emulated_time_base; + else { + struct cpu_usage *cu; -#ifdef PURR_DEBUG - printk(KERN_INFO "get_purr for cpu (%d) has value (%ld) \n", - cpu, lppaca[cpu].emulated_time_base); -#endif + cu = &per_cpu(cpu_usage_array, cpu); + sum_purr += cu->current_tb; + } } return sum_purr; } -#define lparcfg_write NULL +#ifdef CONFIG_PPC_ISERIES /* * Methods used to fetch LPAR data when running on an iSeries platform. */ -static int lparcfg_data(struct seq_file *m, void *v) +static int iseries_lparcfg_data(struct seq_file *m, void *v) { - unsigned long pool_id, lp_index; + unsigned long pool_id; int shared, entitled_capacity, max_entitled_capacity; int processors, max_processors; unsigned long purr = get_purr(); - seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS); - shared = (int)(get_lppaca()->shared_proc); - seq_printf(m, "serial_number=%c%c%c%c%c%c%c\n", - e2a(xItExtVpdPanel.mfgID[2]), - e2a(xItExtVpdPanel.mfgID[3]), - e2a(xItExtVpdPanel.systemSerial[1]), - e2a(xItExtVpdPanel.systemSerial[2]), - e2a(xItExtVpdPanel.systemSerial[3]), - e2a(xItExtVpdPanel.systemSerial[4]), - e2a(xItExtVpdPanel.systemSerial[5])); - - seq_printf(m, "system_type=%c%c%c%c\n", - e2a(xItExtVpdPanel.machineType[0]), - e2a(xItExtVpdPanel.machineType[1]), - e2a(xItExtVpdPanel.machineType[2]), - e2a(xItExtVpdPanel.machineType[3])); - - lp_index = HvLpConfig_getLpIndex(); - seq_printf(m, "partition_id=%d\n", (int)lp_index); seq_printf(m, "system_active_processors=%d\n", (int)HvLpConfig_getSystemPhysicalProcessors()); @@ -137,6 +117,14 @@ static int lparcfg_data(struct seq_file *m, void *v) return 0; } + +#else /* CONFIG_PPC_ISERIES */ + +static int iseries_lparcfg_data(struct seq_file *m, void *v) +{ + return 0; +} + #endif /* CONFIG_PPC_ISERIES */ #ifdef CONFIG_PPC_PSERIES @@ -213,22 +201,6 @@ static void h_pic(unsigned long *pool_idle_time, unsigned long *num_procs) log_plpar_hcall_return(rc, "H_PIC"); } -/* Track sum of all purrs across all processors. This is used to further */ -/* calculate usage values by different applications */ - -static unsigned long get_purr(void) -{ - unsigned long sum_purr = 0; - int cpu; - struct cpu_usage *cu; - - for_each_possible_cpu(cpu) { - cu = &per_cpu(cpu_usage_array, cpu); - sum_purr += cu->current_tb; - } - return sum_purr; -} - #define SPLPAR_CHARACTERISTICS_TOKEN 20 #define SPLPAR_MAXLENGTH 1026*(sizeof(char)) @@ -333,35 +305,13 @@ static int lparcfg_count_active_processors(void) return count; } -static int lparcfg_data(struct seq_file *m, void *v) +static int pseries_lparcfg_data(struct seq_file *m, void *v) { int partition_potential_processors; int partition_active_processors; - struct device_node *rootdn; - const char *model = ""; - const char *system_id = ""; - unsigned int *lp_index_ptr, lp_index = 0; struct device_node *rtas_node; int *lrdrp = NULL; - rootdn = find_path_device("/"); - if (rootdn) { - model = get_property(rootdn, "model", NULL); - system_id = get_property(rootdn, "system-id", NULL); - lp_index_ptr = (unsigned int *) - get_property(rootdn, "ibm,partition-no", NULL); - if (lp_index_ptr) - lp_index = *lp_index_ptr; - } - - seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS); - - seq_printf(m, "serial_number=%s\n", system_id); - - seq_printf(m, "system_type=%s\n", model); - - seq_printf(m, "partition_id=%d\n", (int)lp_index); - rtas_node = find_path_device("/rtas"); if (rtas_node) lrdrp = (int *)get_property(rtas_node, "ibm,lrdr-capacity", @@ -549,8 +499,61 @@ out: return retval; } +#else /* CONFIG_PPC_PSERIES */ + +static int pseries_lparcfg_data(struct seq_file *m, void *v) +{ + return 0; +} + +static ssize_t lparcfg_write(struct file *file, const char __user * buf, + size_t count, loff_t * off) +{ + return count; +} + #endif /* CONFIG_PPC_PSERIES */ +static int lparcfg_data(struct seq_file *m, void *v) +{ + struct device_node *rootdn; + const char *model = ""; + const char *system_id = ""; + const char *tmp; + unsigned int *lp_index_ptr, lp_index = 0; + + seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS); + + rootdn = find_path_device("/"); + if (rootdn) { + tmp = get_property(rootdn, "model", NULL); + if (tmp) { + model = tmp; + /* Skip "IBM," - see platforms/iseries/dt.c */ + if (firmware_has_feature(FW_FEATURE_ISERIES)) + model += 4; + } + tmp = get_property(rootdn, "system-id", NULL); + if (tmp) { + system_id = tmp; + /* Skip "IBM," - see platforms/iseries/dt.c */ + if (firmware_has_feature(FW_FEATURE_ISERIES)) + system_id += 4; + } + lp_index_ptr = (unsigned int *) + get_property(rootdn, "ibm,partition-no", NULL); + if (lp_index_ptr) + lp_index = *lp_index_ptr; + } + seq_printf(m, "serial_number=%s\n", system_id); + seq_printf(m, "system_type=%s\n", model); + seq_printf(m, "partition_id=%d\n", (int)lp_index); + + if (firmware_has_feature(FW_FEATURE_ISERIES)) + return iseries_lparcfg_data(m, v); + return pseries_lparcfg_data(m, v); +} + static int lparcfg_open(struct inode *inode, struct file *file) { return single_open(file, lparcfg_data, NULL); @@ -569,7 +572,8 @@ int __init lparcfg_init(void) mode_t mode = S_IRUSR | S_IRGRP | S_IROTH; /* Allow writing if we have FW_FEATURE_SPLPAR */ - if (firmware_has_feature(FW_FEATURE_SPLPAR)) { + if (firmware_has_feature(FW_FEATURE_SPLPAR) && + !firmware_has_feature(FW_FEATURE_ISERIES)) { lparcfg_fops.write = lparcfg_write; mode |= S_IWUSR; } diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index a8fa04ef27c..b438d45a068 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -378,11 +378,13 @@ static void __init export_crashk_values(void) of_node_put(node); } -void __init kexec_setup(void) +static int __init kexec_setup(void) { export_htab_values(); export_crashk_values(); + return 0; } +__initcall(kexec_setup); static int __init early_parse_crashk(char *p) { diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S new file mode 100644 index 00000000000..fc23040d5a2 --- /dev/null +++ b/arch/powerpc/kernel/misc.S @@ -0,0 +1,203 @@ +/* + * This file contains miscellaneous low-level functions. + * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) + * + * Largely rewritten by Cort Dougan (cort@cs.nmt.edu) + * and Paul Mackerras. + * + * Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com) + * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com) + * + * 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. + */ +#include <asm/ppc_asm.h> + + .text + +#ifdef CONFIG_PPC64 +#define IN_SYNC twi 0,r5,0; isync +#define EIEIO_32 +#define SYNC_64 sync +#else /* CONFIG_PPC32 */ +#define IN_SYNC +#define EIEIO_32 eieio +#define SYNC_64 +#endif +/* + * Returns (address we are running at) - (address we were linked at) + * for use before the text and data are mapped to KERNELBASE. + */ + +_GLOBAL(reloc_offset) + mflr r0 + bl 1f +1: mflr r3 + LOAD_REG_IMMEDIATE(r4,1b) + subf r3,r4,r3 + mtlr r0 + blr + +/* + * add_reloc_offset(x) returns x + reloc_offset(). + */ +_GLOBAL(add_reloc_offset) + mflr r0 + bl 1f +1: mflr r5 + LOAD_REG_IMMEDIATE(r4,1b) + subf r5,r4,r5 + add r3,r3,r5 + mtlr r0 + blr + +/* + * I/O string operations + * + * insb(port, buf, len) + * outsb(port, buf, len) + * insw(port, buf, len) + * outsw(port, buf, len) + * insl(port, buf, len) + * outsl(port, buf, len) + * insw_ns(port, buf, len) + * outsw_ns(port, buf, len) + * insl_ns(port, buf, len) + * outsl_ns(port, buf, len) + * + * The *_ns versions don't do byte-swapping. + */ +_GLOBAL(_insb) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,1 + blelr- +00: lbz r5,0(r3) + eieio + stbu r5,1(r4) + bdnz 00b + IN_SYNC + blr + +_GLOBAL(_outsb) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,1 + blelr- +00: lbzu r5,1(r4) + stb r5,0(r3) + EIEIO_32 + bdnz 00b + SYNC_64 + blr + +_GLOBAL(_insw) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,2 + blelr- +00: lhbrx r5,0,r3 + eieio + sthu r5,2(r4) + bdnz 00b + IN_SYNC + blr + +_GLOBAL(_outsw) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,2 + blelr- +00: lhzu r5,2(r4) + EIEIO_32 + sthbrx r5,0,r3 + bdnz 00b + SYNC_64 + blr + +_GLOBAL(_insl) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,4 + blelr- +00: lwbrx r5,0,r3 + eieio + stwu r5,4(r4) + bdnz 00b + IN_SYNC + blr + +_GLOBAL(_outsl) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,4 + blelr- +00: lwzu r5,4(r4) + stwbrx r5,0,r3 + EIEIO_32 + bdnz 00b + SYNC_64 + blr + +#ifdef CONFIG_PPC32 +_GLOBAL(__ide_mm_insw) +#endif +_GLOBAL(_insw_ns) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,2 + blelr- +00: lhz r5,0(r3) + eieio + sthu r5,2(r4) + bdnz 00b + IN_SYNC + blr + +#ifdef CONFIG_PPC32 +_GLOBAL(__ide_mm_outsw) +#endif +_GLOBAL(_outsw_ns) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,2 + blelr- +00: lhzu r5,2(r4) + sth r5,0(r3) + EIEIO_32 + bdnz 00b + SYNC_64 + blr + +#ifdef CONFIG_PPC32 +_GLOBAL(__ide_mm_insl) +#endif +_GLOBAL(_insl_ns) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,4 + blelr- +00: lwz r5,0(r3) + eieio + stwu r5,4(r4) + bdnz 00b + IN_SYNC + blr + +#ifdef CONFIG_PPC32 +_GLOBAL(__ide_mm_outsl) +#endif +_GLOBAL(_outsl_ns) + cmpwi 0,r5,0 + mtctr r5 + subi r4,r4,4 + blelr- +00: lwzu r5,4(r4) + stw r5,0(r3) + EIEIO_32 + bdnz 00b + SYNC_64 + blr + diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 01d3916c4cb..58758d88336 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -16,7 +16,6 @@ * */ -#include <linux/config.h> #include <linux/sys.h> #include <asm/unistd.h> #include <asm/errno.h> @@ -61,32 +60,6 @@ _GLOBAL(mulhdu) blr /* - * Returns (address we're running at) - (address we were linked at) - * for use before the text and data are mapped to KERNELBASE. - */ -_GLOBAL(reloc_offset) - mflr r0 - bl 1f -1: mflr r3 - LOAD_REG_IMMEDIATE(r4,1b) - subf r3,r4,r3 - mtlr r0 - blr - -/* - * add_reloc_offset(x) returns x + reloc_offset(). - */ -_GLOBAL(add_reloc_offset) - mflr r0 - bl 1f -1: mflr r5 - LOAD_REG_IMMEDIATE(r4,1b) - subf r5,r4,r5 - add r3,r3,r5 - mtlr r0 - blr - -/* * sub_reloc_offset(x) returns x - reloc_offset(). */ _GLOBAL(sub_reloc_offset) @@ -781,136 +754,6 @@ _GLOBAL(atomic_set_mask) blr /* - * I/O string operations - * - * insb(port, buf, len) - * outsb(port, buf, len) - * insw(port, buf, len) - * outsw(port, buf, len) - * insl(port, buf, len) - * outsl(port, buf, len) - * insw_ns(port, buf, len) - * outsw_ns(port, buf, len) - * insl_ns(port, buf, len) - * outsl_ns(port, buf, len) - * - * The *_ns versions don't do byte-swapping. - */ -_GLOBAL(_insb) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,1 - blelr- -00: lbz r5,0(r3) - eieio - stbu r5,1(r4) - bdnz 00b - blr - -_GLOBAL(_outsb) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,1 - blelr- -00: lbzu r5,1(r4) - stb r5,0(r3) - eieio - bdnz 00b - blr - -_GLOBAL(_insw) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,2 - blelr- -00: lhbrx r5,0,r3 - eieio - sthu r5,2(r4) - bdnz 00b - blr - -_GLOBAL(_outsw) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,2 - blelr- -00: lhzu r5,2(r4) - eieio - sthbrx r5,0,r3 - bdnz 00b - blr - -_GLOBAL(_insl) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,4 - blelr- -00: lwbrx r5,0,r3 - eieio - stwu r5,4(r4) - bdnz 00b - blr - -_GLOBAL(_outsl) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,4 - blelr- -00: lwzu r5,4(r4) - stwbrx r5,0,r3 - eieio - bdnz 00b - blr - -_GLOBAL(__ide_mm_insw) -_GLOBAL(_insw_ns) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,2 - blelr- -00: lhz r5,0(r3) - eieio - sthu r5,2(r4) - bdnz 00b - blr - -_GLOBAL(__ide_mm_outsw) -_GLOBAL(_outsw_ns) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,2 - blelr- -00: lhzu r5,2(r4) - sth r5,0(r3) - eieio - bdnz 00b - blr - -_GLOBAL(__ide_mm_insl) -_GLOBAL(_insl_ns) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,4 - blelr- -00: lwz r5,0(r3) - eieio - stwu r5,4(r4) - bdnz 00b - blr - -_GLOBAL(__ide_mm_outsl) -_GLOBAL(_outsl_ns) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,4 - blelr- -00: lwzu r5,4(r4) - stw r5,0(r3) - eieio - bdnz 00b - blr - -/* * Extended precision shifts. * * Updated to be valid for shift counts from 0 to 63 inclusive. diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index e8883d42c43..0c3c70d115c 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -1,14 +1,12 @@ /* - * arch/powerpc/kernel/misc64.S - * * This file contains miscellaneous low-level functions. * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) * * Largely rewritten by Cort Dougan (cort@cs.nmt.edu) * and Paul Mackerras. * Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com) - * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com) - * + * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com) + * * 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 @@ -16,7 +14,6 @@ * */ -#include <linux/config.h> #include <linux/sys.h> #include <asm/unistd.h> #include <asm/errno.h> @@ -30,41 +27,10 @@ .text -/* - * Returns (address we are running at) - (address we were linked at) - * for use before the text and data are mapped to KERNELBASE. - */ - -_GLOBAL(reloc_offset) - mflr r0 - bl 1f -1: mflr r3 - LOAD_REG_IMMEDIATE(r4,1b) - subf r3,r4,r3 - mtlr r0 - blr - -/* - * add_reloc_offset(x) returns x + reloc_offset(). - */ -_GLOBAL(add_reloc_offset) - mflr r0 - bl 1f -1: mflr r5 - LOAD_REG_IMMEDIATE(r4,1b) - subf r5,r4,r5 - add r3,r3,r5 - mtlr r0 - blr - _GLOBAL(get_msr) mfmsr r3 blr -_GLOBAL(get_dar) - mfdar r3 - blr - _GLOBAL(get_srr0) mfsrr0 r3 blr @@ -72,10 +38,6 @@ _GLOBAL(get_srr0) _GLOBAL(get_srr1) mfsrr1 r3 blr - -_GLOBAL(get_sp) - mr r3,r1 - blr #ifdef CONFIG_IRQSTACKS _GLOBAL(call_do_softirq) @@ -101,48 +63,6 @@ _GLOBAL(call___do_IRQ) blr #endif /* CONFIG_IRQSTACKS */ - /* - * To be called by C code which needs to do some operations with MMU - * disabled. Note that interrupts have to be disabled by the caller - * prior to calling us. The code called _MUST_ be in the RMO of course - * and part of the linear mapping as we don't attempt to translate the - * stack pointer at all. The function is called with the stack switched - * to this CPU emergency stack - * - * prototype is void *call_with_mmu_off(void *func, void *data); - * - * the called function is expected to be of the form - * - * void *called(void *data); - */ -_GLOBAL(call_with_mmu_off) - mflr r0 /* get link, save it on stackframe */ - std r0,16(r1) - mr r1,r5 /* save old stack ptr */ - ld r1,PACAEMERGSP(r13) /* get emerg. stack */ - subi r1,r1,STACK_FRAME_OVERHEAD - std r0,16(r1) /* save link on emerg. stack */ - std r5,0(r1) /* save old stack ptr in backchain */ - ld r3,0(r3) /* get to real function ptr (assume same TOC) */ - bl 2f /* we need LR to return, continue at label 2 */ - - ld r0,16(r1) /* we return here from the call, get LR and */ - ld r1,0(r1) /* .. old stack ptr */ - mtspr SPRN_SRR0,r0 /* and get back to virtual mode with these */ - mfmsr r4 - ori r4,r4,MSR_IR|MSR_DR - mtspr SPRN_SRR1,r4 - rfid - -2: mtspr SPRN_SRR0,r3 /* coming from above, enter real mode */ - mr r3,r4 /* get parameter */ - mfmsr r0 - ori r0,r0,MSR_IR|MSR_DR - xori r0,r0,MSR_IR|MSR_DR - mtspr SPRN_SRR1,r0 - rfid - - .section ".toc","aw" PPC64_CACHES: .tc ppc64_caches[TC],ppc64_caches @@ -323,144 +243,6 @@ _GLOBAL(__flush_dcache_icache) bdnz 1b isync blr - -/* - * I/O string operations - * - * insb(port, buf, len) - * outsb(port, buf, len) - * insw(port, buf, len) - * outsw(port, buf, len) - * insl(port, buf, len) - * outsl(port, buf, len) - * insw_ns(port, buf, len) - * outsw_ns(port, buf, len) - * insl_ns(port, buf, len) - * outsl_ns(port, buf, len) - * - * The *_ns versions don't do byte-swapping. - */ -_GLOBAL(_insb) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,1 - blelr- -00: lbz r5,0(r3) - eieio - stbu r5,1(r4) - bdnz 00b - twi 0,r5,0 - isync - blr - -_GLOBAL(_outsb) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,1 - blelr- -00: lbzu r5,1(r4) - stb r5,0(r3) - bdnz 00b - sync - blr - -_GLOBAL(_insw) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,2 - blelr- -00: lhbrx r5,0,r3 - eieio - sthu r5,2(r4) - bdnz 00b - twi 0,r5,0 - isync - blr - -_GLOBAL(_outsw) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,2 - blelr- -00: lhzu r5,2(r4) - sthbrx r5,0,r3 - bdnz 00b - sync - blr - -_GLOBAL(_insl) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,4 - blelr- -00: lwbrx r5,0,r3 - eieio - stwu r5,4(r4) - bdnz 00b - twi 0,r5,0 - isync - blr - -_GLOBAL(_outsl) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,4 - blelr- -00: lwzu r5,4(r4) - stwbrx r5,0,r3 - bdnz 00b - sync - blr - -/* _GLOBAL(ide_insw) now in drivers/ide/ide-iops.c */ -_GLOBAL(_insw_ns) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,2 - blelr- -00: lhz r5,0(r3) - eieio - sthu r5,2(r4) - bdnz 00b - twi 0,r5,0 - isync - blr - -/* _GLOBAL(ide_outsw) now in drivers/ide/ide-iops.c */ -_GLOBAL(_outsw_ns) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,2 - blelr- -00: lhzu r5,2(r4) - sth r5,0(r3) - bdnz 00b - sync - blr - -_GLOBAL(_insl_ns) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,4 - blelr- -00: lwz r5,0(r3) - eieio - stwu r5,4(r4) - bdnz 00b - twi 0,r5,0 - isync - blr - -_GLOBAL(_outsl_ns) - cmpwi 0,r5,0 - mtctr r5 - subi r4,r4,4 - blelr- -00: lwzu r5,4(r4) - stw r5,0(r3) - bdnz 00b - sync - blr /* * identify_cpu and calls setup_cpu @@ -605,6 +387,7 @@ _GLOBAL(real_writeb) blr #endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */ +#ifdef CONFIG_CPU_FREQ_PMAC64 /* * SCOM access functions for 970 (FX only for now) * @@ -673,6 +456,7 @@ _GLOBAL(scom970_write) /* restore interrupts */ mtmsrd r5,1 blr +#endif /* CONFIG_CPU_FREQ_PMAC64 */ /* diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c index 9feeeef5a87..3262b73a3a6 100644 --- a/arch/powerpc/kernel/of_device.c +++ b/arch/powerpc/kernel/of_device.c @@ -1,4 +1,3 @@ -#include <linux/config.h> #include <linux/string.h> #include <linux/kernel.h> #include <linux/init.h> diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index f505a8827e3..c68741fed14 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -7,7 +7,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/types.h> #include <linux/threads.h> #include <linux/module.h> @@ -16,7 +15,6 @@ #include <asm/ptrace.h> #include <asm/page.h> #include <asm/lppaca.h> -#include <asm/iseries/it_lp_queue.h> #include <asm/iseries/it_lp_reg_save.h> #include <asm/paca.h> diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index b5431ccf114..1333335c474 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -2,7 +2,6 @@ * Common pmac/prep/chrp pci routines. -- Cort */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/delay.h> @@ -99,7 +98,7 @@ pcibios_fixup_resources(struct pci_dev *dev) if (!res->flags) continue; if (res->end == 0xffffffff) { - DBG("PCI:%s Resource %d [%08lx-%08lx] is unassigned\n", + DBG("PCI:%s Resource %d [%016llx-%016llx] is unassigned\n", pci_name(dev), i, res->start, res->end); res->end -= res->start; res->start = 0; @@ -117,7 +116,7 @@ pcibios_fixup_resources(struct pci_dev *dev) res->start += offset; res->end += offset; #ifdef DEBUG - printk("Fixup res %d (%lx) of dev %s: %lx -> %lx\n", + printk("Fixup res %d (%lx) of dev %s: %llx -> %llx\n", i, res->flags, pci_name(dev), res->start - offset, res->start); #endif @@ -173,18 +172,18 @@ EXPORT_SYMBOL(pcibios_bus_to_resource); * but we want to try to avoid allocating at 0x2900-0x2bff * which might have be mirrored at 0x0100-0x03ff.. */ -void pcibios_align_resource(void *data, struct resource *res, unsigned long size, - unsigned long align) +void pcibios_align_resource(void *data, struct resource *res, + resource_size_t size, resource_size_t align) { struct pci_dev *dev = data; if (res->flags & IORESOURCE_IO) { - unsigned long start = res->start; + resource_size_t start = res->start; if (size > 0x100) { printk(KERN_ERR "PCI: I/O Region %s/%d too large" - " (%ld bytes)\n", pci_name(dev), - dev->resource - res, size); + " (%lld bytes)\n", pci_name(dev), + dev->resource - res, (unsigned long long)size); } if (start & 0x300) { @@ -255,8 +254,8 @@ pcibios_allocate_bus_resources(struct list_head *bus_list) } } - DBG("PCI: bridge rsrc %lx..%lx (%lx), parent %p\n", - res->start, res->end, res->flags, pr); + DBG("PCI: bridge rsrc %llx..%llx (%lx), parent %p\n", + res->start, res->end, res->flags, pr); if (pr) { if (request_resource(pr, res) == 0) continue; @@ -306,7 +305,7 @@ reparent_resources(struct resource *parent, struct resource *res) *pp = NULL; for (p = res->child; p != NULL; p = p->sibling) { p->parent = res; - DBG(KERN_INFO "PCI: reparented %s [%lx..%lx] under %s\n", + DBG(KERN_INFO "PCI: reparented %s [%llx..%llx] under %s\n", p->name, p->start, p->end, res->name); } return 0; @@ -362,13 +361,14 @@ pci_relocate_bridge_resource(struct pci_bus *bus, int i) try = conflict->start - 1; } if (request_resource(pr, res)) { - DBG(KERN_ERR "PCI: huh? couldn't move to %lx..%lx\n", + DBG(KERN_ERR "PCI: huh? couldn't move to %llx..%llx\n", res->start, res->end); return -1; /* "can't happen" */ } update_bridge_base(bus, i); - printk(KERN_INFO "PCI: bridge %d resource %d moved to %lx..%lx\n", - bus->number, i, res->start, res->end); + printk(KERN_INFO "PCI: bridge %d resource %d moved to %llx..%llx\n", + bus->number, i, (unsigned long long)res->start, + (unsigned long long)res->end); return 0; } @@ -479,14 +479,14 @@ static inline void alloc_resource(struct pci_dev *dev, int idx) { struct resource *pr, *r = &dev->resource[idx]; - DBG("PCI:%s: Resource %d: %08lx-%08lx (f=%lx)\n", + DBG("PCI:%s: Resource %d: %016llx-%016llx (f=%lx)\n", pci_name(dev), idx, r->start, r->end, r->flags); pr = pci_find_parent_resource(dev, r); if (!pr || request_resource(pr, r) < 0) { printk(KERN_ERR "PCI: Cannot allocate resource region %d" " of device %s\n", idx, pci_name(dev)); if (pr) - DBG("PCI: parent is %p: %08lx-%08lx (f=%lx)\n", + DBG("PCI: parent is %p: %016llx-%016llx (f=%lx)\n", pr, pr->start, pr->end, pr->flags); /* We'll assign a new address later */ r->flags |= IORESOURCE_UNSET; @@ -956,7 +956,7 @@ pci_process_bridge_OF_ranges(struct pci_controller *hose, res = &hose->io_resource; res->flags = IORESOURCE_IO; res->start = ranges[2]; - DBG("PCI: IO 0x%lx -> 0x%lx\n", + DBG("PCI: IO 0x%llx -> 0x%llx\n", res->start, res->start + size - 1); break; case 2: /* memory space */ @@ -978,7 +978,7 @@ pci_process_bridge_OF_ranges(struct pci_controller *hose, if(ranges[0] & 0x40000000) res->flags |= IORESOURCE_PREFETCH; res->start = ranges[na+2]; - DBG("PCI: MEM[%d] 0x%lx -> 0x%lx\n", memno, + DBG("PCI: MEM[%d] 0x%llx -> 0x%llx\n", memno, res->start, res->start + size - 1); } break; @@ -1074,7 +1074,7 @@ do_update_p2p_io_resource(struct pci_bus *bus, int enable_vga) DBG("Remapping Bus %d, bridge: %s\n", bus->number, pci_name(bridge)); res.start -= ((unsigned long) hose->io_base_virt - isa_io_base); res.end -= ((unsigned long) hose->io_base_virt - isa_io_base); - DBG(" IO window: %08lx-%08lx\n", res.start, res.end); + DBG(" IO window: %016llx-%016llx\n", res.start, res.end); /* Set up the top and bottom of the PCI I/O segment for this bus. */ pci_read_config_dword(bridge, PCI_IO_BASE, &l); @@ -1223,8 +1223,8 @@ do_fixup_p2p_level(struct pci_bus *bus) continue; if ((r->flags & IORESOURCE_IO) == 0) continue; - DBG("Trying to allocate from %08lx, size %08lx from parent" - " res %d: %08lx -> %08lx\n", + DBG("Trying to allocate from %016llx, size %016llx from parent" + " res %d: %016llx -> %016llx\n", res->start, res->end, i, r->start, r->end); if (allocate_resource(r, res, res->end + 1, res->start, max, @@ -1574,8 +1574,8 @@ static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp, else prot |= _PAGE_GUARDED; - printk("PCI map for %s:%lx, prot: %lx\n", pci_name(dev), rp->start, - prot); + printk("PCI map for %s:%llx, prot: %lx\n", pci_name(dev), + (unsigned long long)rp->start, prot); return __pgprot(prot); } @@ -1755,7 +1755,7 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) void pci_resource_to_user(const struct pci_dev *dev, int bar, const struct resource *rsrc, - u64 *start, u64 *end) + resource_size_t *start, resource_size_t *end) { struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); unsigned long offset = 0; diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 247937dd8b7..bea8451fb57 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -13,7 +13,6 @@ #undef DEBUG -#include <linux/config.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/string.h> @@ -138,11 +137,11 @@ EXPORT_SYMBOL(pcibios_bus_to_resource); * which might have be mirrored at 0x0100-0x03ff.. */ void pcibios_align_resource(void *data, struct resource *res, - unsigned long size, unsigned long align) + resource_size_t size, resource_size_t align) { struct pci_dev *dev = data; struct pci_controller *hose = pci_bus_to_host(dev->bus); - unsigned long start = res->start; + resource_size_t start = res->start; unsigned long alignto; if (res->flags & IORESOURCE_IO) { diff --git a/arch/powerpc/kernel/perfmon_fsl_booke.c b/arch/powerpc/kernel/perfmon_fsl_booke.c index 32455dfcc36..bdc3977a7b0 100644 --- a/arch/powerpc/kernel/perfmon_fsl_booke.c +++ b/arch/powerpc/kernel/perfmon_fsl_booke.c @@ -21,7 +21,6 @@ #include <linux/user.h> #include <linux/a.out.h> #include <linux/interrupt.h> -#include <linux/config.h> #include <linux/init.h> #include <linux/module.h> #include <linux/prctl.h> diff --git a/arch/powerpc/kernel/pmc.c b/arch/powerpc/kernel/pmc.c index e6fb194fe53..a0a2efadeab 100644 --- a/arch/powerpc/kernel/pmc.c +++ b/arch/powerpc/kernel/pmc.c @@ -12,7 +12,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/errno.h> #include <linux/spinlock.h> #include <linux/module.h> diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 4b052ae5dc3..e3b80f71748 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -1,4 +1,3 @@ -#include <linux/config.h> #include <linux/module.h> #include <linux/threads.h> #include <linux/smp.h> diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_ppc64.c index 2ab8f2be911..f598cb51953 100644 --- a/arch/powerpc/kernel/proc_ppc64.c +++ b/arch/powerpc/kernel/proc_ppc64.c @@ -16,7 +16,6 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/config.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/proc_fs.h> diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index e4732459c48..a127a1e3c09 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -14,7 +14,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 483455c5bb0..4c524cb5218 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -16,7 +16,6 @@ #undef DEBUG #include <stdarg.h> -#include <linux/config.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/init.h> @@ -30,6 +29,7 @@ #include <linux/bitops.h> #include <linux/module.h> #include <linux/kexec.h> +#include <linux/debugfs.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -952,6 +952,7 @@ static struct ibm_pa_feature { /* put this back once we know how to test if firmware does 64k IO */ {CPU_FTR_CI_LARGE_PAGE, 0, 1, 2, 0}, #endif + {CPU_FTR_REAL_LE, PPC_FEATURE_TRUE_LE, 5, 0, 0}, }; static void __init check_cpu_pa_features(unsigned long node) @@ -1124,24 +1125,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node, tce_alloc_end = *lprop; #endif -#ifdef CONFIG_PPC_RTAS - /* To help early debugging via the front panel, we retrieve a minimal - * set of RTAS infos now if available - */ - { - u64 *basep, *entryp, *sizep; - - basep = of_get_flat_dt_prop(node, "linux,rtas-base", NULL); - entryp = of_get_flat_dt_prop(node, "linux,rtas-entry", NULL); - sizep = of_get_flat_dt_prop(node, "linux,rtas-size", NULL); - if (basep && entryp && sizep) { - rtas.base = *basep; - rtas.entry = *entryp; - rtas.size = *sizep; - } - } -#endif /* CONFIG_PPC_RTAS */ - #ifdef CONFIG_KEXEC lprop = (u64*)of_get_flat_dt_prop(node, "linux,crashkernel-base", NULL); if (lprop) @@ -1326,6 +1309,11 @@ void __init early_init_devtree(void *params) /* Setup flat device-tree pointer */ initial_boot_params = params; +#ifdef CONFIG_PPC_RTAS + /* Some machines might need RTAS info for debugging, grab it now. */ + of_scan_flat_dt(early_init_dt_scan_rtas, NULL); +#endif + /* Retrieve various informations from the /chosen node of the * device-tree, including the platform type, initrd location and * size, TCE reserve, and more ... @@ -2148,3 +2136,27 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) } return NULL; } + +#ifdef DEBUG +static struct debugfs_blob_wrapper flat_dt_blob; + +static int __init export_flat_device_tree(void) +{ + struct dentry *d; + + d = debugfs_create_dir("powerpc", NULL); + if (!d) + return 1; + + flat_dt_blob.data = initial_boot_params; + flat_dt_blob.size = initial_boot_params->totalsize; + + d = debugfs_create_blob("flat-device-tree", S_IFREG | S_IRUSR, + d, &flat_dt_blob); + if (!d) + return 1; + + return 0; +} +__initcall(export_flat_device_tree); +#endif diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 8c28eb0cbda..1e95a9f8cda 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -16,7 +16,6 @@ #undef DEBUG_PROM #include <stdarg.h> -#include <linux/config.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/init.h> @@ -988,7 +987,7 @@ static void reserve_mem(u64 base, u64 size) } /* - * Initialize memory allocation mecanism, parse "memory" nodes and + * Initialize memory allocation mechanism, parse "memory" nodes and * obtain that way the top of memory and RMO to setup out local allocator */ static void __init prom_init_mem(void) diff --git a/arch/powerpc/kernel/ptrace-common.h b/arch/powerpc/kernel/ptrace-common.h index c42a860c8d2..8797ae737a7 100644 --- a/arch/powerpc/kernel/ptrace-common.h +++ b/arch/powerpc/kernel/ptrace-common.h @@ -10,7 +10,6 @@ #ifndef _PPC64_PTRACE_COMMON_H #define _PPC64_PTRACE_COMMON_H -#include <linux/config.h> #include <asm/system.h> /* diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 5563e2e7d89..dea75d73f98 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -15,7 +15,6 @@ * this archive for more details. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/mm.h> diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c index 826ee3d056d..9b9a230349b 100644 --- a/arch/powerpc/kernel/ptrace32.c +++ b/arch/powerpc/kernel/ptrace32.c @@ -17,7 +17,6 @@ * this archive for more details. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/mm.h> diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 17dc7919851..4a4cb559840 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -38,16 +38,19 @@ struct rtas_t rtas = { .lock = SPIN_LOCK_UNLOCKED }; +EXPORT_SYMBOL(rtas); struct rtas_suspend_me_data { long waiting; struct rtas_args *args; }; -EXPORT_SYMBOL(rtas); - DEFINE_SPINLOCK(rtas_data_buf_lock); +EXPORT_SYMBOL(rtas_data_buf_lock); + char rtas_data_buf[RTAS_DATA_BUF_SIZE] __cacheline_aligned; +EXPORT_SYMBOL(rtas_data_buf); + unsigned long rtas_rmo_buf; /* @@ -106,11 +109,71 @@ static void call_rtas_display_status_delay(char c) } } -void __init udbg_init_rtas(void) +void __init udbg_init_rtas_panel(void) { udbg_putc = call_rtas_display_status_delay; } +#ifdef CONFIG_UDBG_RTAS_CONSOLE + +/* If you think you're dying before early_init_dt_scan_rtas() does its + * work, you can hard code the token values for your firmware here and + * hardcode rtas.base/entry etc. + */ +static unsigned int rtas_putchar_token = RTAS_UNKNOWN_SERVICE; +static unsigned int rtas_getchar_token = RTAS_UNKNOWN_SERVICE; + +static void udbg_rtascon_putc(char c) +{ + int tries; + + if (!rtas.base) + return; + + /* Add CRs before LFs */ + if (c == '\n') + udbg_rtascon_putc('\r'); + + /* if there is more than one character to be displayed, wait a bit */ + for (tries = 0; tries < 16; tries++) { + if (rtas_call(rtas_putchar_token, 1, 1, NULL, c) == 0) + break; + udelay(1000); + } +} + +static int udbg_rtascon_getc_poll(void) +{ + int c; + + if (!rtas.base) + return -1; + + if (rtas_call(rtas_getchar_token, 0, 2, &c)) + return -1; + + return c; +} + +static int udbg_rtascon_getc(void) +{ + int c; + + while ((c = udbg_rtascon_getc_poll()) == -1) + ; + + return c; +} + + +void __init udbg_init_rtas_console(void) +{ + udbg_putc = udbg_rtascon_putc; + udbg_getc = udbg_rtascon_getc; + udbg_getc_poll = udbg_rtascon_getc_poll; +} +#endif /* CONFIG_UDBG_RTAS_CONSOLE */ + void rtas_progress(char *s, unsigned short hex) { struct device_node *root; @@ -236,6 +299,7 @@ int rtas_token(const char *service) tokp = (int *) get_property(rtas.dev, service, NULL); return tokp ? *tokp : RTAS_UNKNOWN_SERVICE; } +EXPORT_SYMBOL(rtas_token); #ifdef CONFIG_RTAS_ERROR_LOGGING /* @@ -328,7 +392,7 @@ int rtas_call(int token, int nargs, int nret, int *outputs, ...) char *buff_copy = NULL; int ret; - if (token == RTAS_UNKNOWN_SERVICE) + if (!rtas.entry || token == RTAS_UNKNOWN_SERVICE) return -1; /* Gotta do something different here, use global lock for now... */ @@ -369,6 +433,7 @@ int rtas_call(int token, int nargs, int nret, int *outputs, ...) } return ret; } +EXPORT_SYMBOL(rtas_call); /* For RTAS_BUSY (-2), delay for 1 millisecond. For an extended busy status * code of 990n, perform the hinted delay of 10^n (last digit) milliseconds. @@ -388,6 +453,7 @@ unsigned int rtas_busy_delay_time(int status) return ms; } +EXPORT_SYMBOL(rtas_busy_delay_time); /* For an RTAS busy status code, perform the hinted delay. */ unsigned int rtas_busy_delay(int status) @@ -401,6 +467,7 @@ unsigned int rtas_busy_delay(int status) return ms; } +EXPORT_SYMBOL(rtas_busy_delay); int rtas_error_rc(int rtas_rc) { @@ -446,6 +513,7 @@ int rtas_get_power_level(int powerdomain, int *level) return rtas_error_rc(rc); return rc; } +EXPORT_SYMBOL(rtas_get_power_level); int rtas_set_power_level(int powerdomain, int level, int *setlevel) { @@ -463,6 +531,7 @@ int rtas_set_power_level(int powerdomain, int level, int *setlevel) return rtas_error_rc(rc); return rc; } +EXPORT_SYMBOL(rtas_set_power_level); int rtas_get_sensor(int sensor, int index, int *state) { @@ -480,6 +549,7 @@ int rtas_get_sensor(int sensor, int index, int *state) return rtas_error_rc(rc); return rc; } +EXPORT_SYMBOL(rtas_get_sensor); int rtas_set_indicator(int indicator, int index, int new_value) { @@ -497,6 +567,7 @@ int rtas_set_indicator(int indicator, int index, int new_value) return rtas_error_rc(rc); return rc; } +EXPORT_SYMBOL(rtas_set_indicator); void rtas_restart(char *cmd) { @@ -791,14 +862,34 @@ void __init rtas_initialize(void) #endif } +int __init early_init_dt_scan_rtas(unsigned long node, + const char *uname, int depth, void *data) +{ + u32 *basep, *entryp, *sizep; -EXPORT_SYMBOL(rtas_token); -EXPORT_SYMBOL(rtas_call); -EXPORT_SYMBOL(rtas_data_buf); -EXPORT_SYMBOL(rtas_data_buf_lock); -EXPORT_SYMBOL(rtas_busy_delay_time); -EXPORT_SYMBOL(rtas_busy_delay); -EXPORT_SYMBOL(rtas_get_sensor); -EXPORT_SYMBOL(rtas_get_power_level); -EXPORT_SYMBOL(rtas_set_power_level); -EXPORT_SYMBOL(rtas_set_indicator); + if (depth != 1 || strcmp(uname, "rtas") != 0) + return 0; + + basep = of_get_flat_dt_prop(node, "linux,rtas-base", NULL); + entryp = of_get_flat_dt_prop(node, "linux,rtas-entry", NULL); + sizep = of_get_flat_dt_prop(node, "rtas-size", NULL); + + if (basep && entryp && sizep) { + rtas.base = *basep; + rtas.entry = *entryp; + rtas.size = *sizep; + } + +#ifdef CONFIG_UDBG_RTAS_CONSOLE + basep = of_get_flat_dt_prop(node, "put-term-char", NULL); + if (basep) + rtas_putchar_token = *basep; + + basep = of_get_flat_dt_prop(node, "get-term-char", NULL); + if (basep) + rtas_getchar_token = *basep; +#endif + + /* break now */ + return 1; +} diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index bd328123af7..c6d7b98af7d 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -12,7 +12,6 @@ #undef DEBUG -#include <linux/config.h> #include <linux/module.h> #include <linux/string.h> #include <linux/sched.h> diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index 0932a62a1c9..ba7cd50d820 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -2,7 +2,6 @@ * Common prep/pmac/chrp boot and setup code. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/string.h> #include <linux/sched.h> diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 78f3a5fd43f..ac7276c4068 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -12,7 +12,6 @@ #undef DEBUG -#include <linux/config.h> #include <linux/module.h> #include <linux/string.h> #include <linux/sched.h> @@ -149,6 +148,13 @@ early_param("smt-enabled", early_smt_enabled); #define check_smt_enabled() #endif /* CONFIG_SMP */ +/* Put the paca pointer into r13 and SPRG3 */ +void __init setup_paca(int cpu) +{ + local_paca = &paca[cpu]; + mtspr(SPRN_SPRG3, local_paca); +} + /* * Early initialization entry point. This is called by head.S * with MMU translation disabled. We rely on the "feature" of @@ -170,6 +176,9 @@ early_param("smt-enabled", early_smt_enabled); void __init early_setup(unsigned long dt_ptr) { + /* Assume we're on cpu 0 for now. Don't write to the paca yet! */ + setup_paca(0); + /* Enable early debugging if any specified (see udbg.h) */ udbg_early_init(); @@ -183,7 +192,7 @@ void __init early_setup(unsigned long dt_ptr) early_init_devtree(__va(dt_ptr)); /* Now we know the logical id of our boot cpu, setup the paca. */ - setup_boot_paca(); + setup_paca(boot_cpuid); /* Fix up paca fields required for the boot cpu */ get_paca()->cpu_start = 1; @@ -350,19 +359,11 @@ void __init setup_system(void) */ unflatten_device_tree(); -#ifdef CONFIG_KEXEC - kexec_setup(); /* requires unflattened device tree. */ -#endif - /* * Fill the ppc64_caches & systemcfg structures with informations * retrieved from the device-tree. Need to be called before * finish_device_tree() since the later requires some of the - * informations filled up here to properly parse the interrupt - * tree. - * It also sets up the cache line sizes which allows to call - * routines like flush_icache_range (used by the hash init - * later on). + * informations filled up here to properly parse the interrupt tree. */ initialize_cache_info(); diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index d73b25e22fc..320353f0926 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -17,7 +17,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 6e75d7ab6d4..f72e8e823d7 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -12,7 +12,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> diff --git a/arch/powerpc/kernel/smp-tbsync.c b/arch/powerpc/kernel/smp-tbsync.c index 9adef3bddad..f19e2e0e61e 100644 --- a/arch/powerpc/kernel/smp-tbsync.c +++ b/arch/powerpc/kernel/smp-tbsync.c @@ -5,7 +5,6 @@ * */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/smp.h> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index c5d179d4f81..46c56cfd1b2 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -17,7 +17,6 @@ #undef DEBUG -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/sched.h> diff --git a/arch/powerpc/kernel/swsusp_32.S b/arch/powerpc/kernel/swsusp_32.S index 69773cc1a85..7369f9a6ad2 100644 --- a/arch/powerpc/kernel/swsusp_32.S +++ b/arch/powerpc/kernel/swsusp_32.S @@ -1,4 +1,3 @@ -#include <linux/config.h> #include <linux/threads.h> #include <asm/processor.h> #include <asm/page.h> diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index ec274e68881..2e292863e98 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -14,7 +14,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/fs.h> diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 4662b580efa..01043509555 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -1,4 +1,3 @@ -#include <linux/config.h> #include <linux/sysdev.h> #include <linux/cpu.h> #include <linux/smp.h> diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S index ee75ccf1a80..579de70e0b4 100644 --- a/arch/powerpc/kernel/systbl.S +++ b/arch/powerpc/kernel/systbl.S @@ -14,7 +14,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/ppc_asm.h> #ifdef CONFIG_PPC64 diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c index 26bd8ea35a4..368a4934f7e 100644 --- a/arch/powerpc/kernel/tau_6xx.c +++ b/arch/powerpc/kernel/tau_6xx.c @@ -11,7 +11,6 @@ * life in portables, and add a 'performance/watt' metric somewhere in /proc */ -#include <linux/config.h> #include <linux/errno.h> #include <linux/jiffies.h> #include <linux/kernel.h> diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 7dd5dab789a..774c0a3c501 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -32,7 +32,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/errno.h> #include <linux/module.h> #include <linux/sched.h> diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 52f5659534f..3c668078e52 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -14,7 +14,6 @@ * This file handles the architecture-dependent parts of hardware exceptions */ -#include <linux/config.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> @@ -52,9 +51,13 @@ #include <asm/firmware.h> #include <asm/processor.h> #endif +#include <asm/kexec.h> #ifdef CONFIG_PPC64 /* XXX */ #define _IO_BASE pci_io_base +#ifdef CONFIG_KEXEC +cpumask_t cpus_in_sr = CPU_MASK_NONE; +#endif #endif #ifdef CONFIG_DEBUGGER @@ -97,7 +100,7 @@ static DEFINE_SPINLOCK(die_lock); int die(const char *str, struct pt_regs *regs, long err) { - static int die_counter, crash_dump_start = 0; + static int die_counter; if (debugger(regs)) return 1; @@ -137,21 +140,12 @@ int die(const char *str, struct pt_regs *regs, long err) print_modules(); show_regs(regs); bust_spinlocks(0); + spin_unlock_irq(&die_lock); - if (!crash_dump_start && kexec_should_crash(current)) { - crash_dump_start = 1; - spin_unlock_irq(&die_lock); + if (kexec_should_crash(current) || + kexec_sr_activated(smp_processor_id())) crash_kexec(regs); - /* NOTREACHED */ - } - spin_unlock_irq(&die_lock); - if (crash_dump_start) - /* - * Only for soft-reset: Other CPUs will be responded to an IPI - * sent by first kexec CPU. - */ - for(;;) - ; + crash_kexec_secondary(regs); if (in_interrupt()) panic("Fatal exception in interrupt"); @@ -215,6 +209,10 @@ void system_reset_exception(struct pt_regs *regs) return; } +#ifdef CONFIG_KEXEC + cpu_set(smp_processor_id(), cpus_in_sr); +#endif + die("System Reset", regs, SIGABRT); /* Must die if the interrupt is not recoverable */ diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index 67d9fd9ae2b..5730906b23d 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -10,7 +10,6 @@ */ #include <stdarg.h> -#include <linux/config.h> #include <linux/types.h> #include <linux/sched.h> #include <linux/console.h> @@ -34,9 +33,12 @@ void __init udbg_early_init(void) #elif defined(CONFIG_PPC_EARLY_DEBUG_G5) /* For use on Apple G5 machines */ udbg_init_pmac_realmode(); -#elif defined(CONFIG_PPC_EARLY_DEBUG_RTAS) +#elif defined(CONFIG_PPC_EARLY_DEBUG_RTAS_PANEL) /* RTAS panel debug */ - udbg_init_rtas(); + udbg_init_rtas_panel(); +#elif defined(CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE) + /* RTAS console debug */ + udbg_init_rtas_console(); #elif defined(CONFIG_PPC_EARLY_DEBUG_MAPLE) /* Maple real mode debug */ udbg_init_maple_realmode(); diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index 5d29dcca523..0835b4841de 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -8,7 +8,6 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/types.h> #include <asm/udbg.h> #include <asm/io.h> diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index bc3e15be308..1a7e19cdab3 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -8,7 +8,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/errno.h> #include <linux/sched.h> diff --git a/arch/powerpc/kernel/vdso32/cacheflush.S b/arch/powerpc/kernel/vdso32/cacheflush.S index 09629aea3e4..9cb319992c3 100644 --- a/arch/powerpc/kernel/vdso32/cacheflush.S +++ b/arch/powerpc/kernel/vdso32/cacheflush.S @@ -9,7 +9,6 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/vdso.h> diff --git a/arch/powerpc/kernel/vdso32/datapage.S b/arch/powerpc/kernel/vdso32/datapage.S index 4709f1d9542..dc21e891d2e 100644 --- a/arch/powerpc/kernel/vdso32/datapage.S +++ b/arch/powerpc/kernel/vdso32/datapage.S @@ -9,7 +9,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S index 7eebff03a04..05909f75430 100644 --- a/arch/powerpc/kernel/vdso32/gettimeofday.S +++ b/arch/powerpc/kernel/vdso32/gettimeofday.S @@ -10,7 +10,6 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/vdso.h> diff --git a/arch/powerpc/kernel/vdso32/sigtramp.S b/arch/powerpc/kernel/vdso32/sigtramp.S index 0c6a37b29dd..68d49dd71dc 100644 --- a/arch/powerpc/kernel/vdso32/sigtramp.S +++ b/arch/powerpc/kernel/vdso32/sigtramp.S @@ -10,7 +10,6 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/unistd.h> diff --git a/arch/powerpc/kernel/vdso64/cacheflush.S b/arch/powerpc/kernel/vdso64/cacheflush.S index cb4ae0a5edd..66a36d3cc6a 100644 --- a/arch/powerpc/kernel/vdso64/cacheflush.S +++ b/arch/powerpc/kernel/vdso64/cacheflush.S @@ -9,7 +9,6 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/vdso.h> diff --git a/arch/powerpc/kernel/vdso64/datapage.S b/arch/powerpc/kernel/vdso64/datapage.S index 3b2dd7d0c1e..79796de1173 100644 --- a/arch/powerpc/kernel/vdso64/datapage.S +++ b/arch/powerpc/kernel/vdso64/datapage.S @@ -9,7 +9,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> diff --git a/arch/powerpc/kernel/vdso64/gettimeofday.S b/arch/powerpc/kernel/vdso64/gettimeofday.S index 4ee871f1cad..56e76ff5498 100644 --- a/arch/powerpc/kernel/vdso64/gettimeofday.S +++ b/arch/powerpc/kernel/vdso64/gettimeofday.S @@ -11,7 +11,6 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/vdso.h> diff --git a/arch/powerpc/kernel/vdso64/sigtramp.S b/arch/powerpc/kernel/vdso64/sigtramp.S index 7479edb101b..17a83fa6dc5 100644 --- a/arch/powerpc/kernel/vdso64/sigtramp.S +++ b/arch/powerpc/kernel/vdso64/sigtramp.S @@ -10,7 +10,6 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/config.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/unistd.h> diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S index 9416b4ab92e..49ac3d6e139 100644 --- a/arch/powerpc/kernel/vector.S +++ b/arch/powerpc/kernel/vector.S @@ -1,4 +1,3 @@ -#include <linux/config.h> #include <asm/ppc_asm.h> #include <asm/reg.h> diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 8b25953dc4f..02665a02130 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -1,4 +1,3 @@ -#include <linux/config.h> #ifdef CONFIG_PPC64 #include <asm/page.h> #define PROVIDE32(x) PROVIDE(__unused__##x) |