diff options
Diffstat (limited to 'arch/powerpc/platforms/ps3')
| -rw-r--r-- | arch/powerpc/platforms/ps3/htab.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/ps3/interrupt.c | 234 | ||||
| -rw-r--r-- | arch/powerpc/platforms/ps3/mm.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/ps3/setup.c | 7 | ||||
| -rw-r--r-- | arch/powerpc/platforms/ps3/smp.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/ps3/spu.c | 18 |
6 files changed, 188 insertions, 81 deletions
diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c index ea60c451cf87..a1409e450c70 100644 --- a/arch/powerpc/platforms/ps3/htab.c +++ b/arch/powerpc/platforms/ps3/htab.c @@ -273,7 +273,8 @@ void __init ps3_map_htab(void) result = lv1_map_htab(0, &htab_addr); - htab = (hpte_t *)__ioremap(htab_addr, htab_size, PAGE_READONLY_X); + htab = (hpte_t *)__ioremap(htab_addr, htab_size, + pgprot_val(PAGE_READONLY_X)); DBG("%s:%d: lpar %016lxh, virt %016lxh\n", __func__, __LINE__, htab_addr, (unsigned long)htab); diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 631c30095617..9da82c266ba9 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -89,7 +89,18 @@ struct ps3_private { static DEFINE_PER_CPU(struct ps3_private, ps3_private); -int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, +/** + * ps3_virq_setup - virq related setup. + * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be + * serviced on. + * @outlet: The HV outlet from the various create outlet routines. + * @virq: The assigned Linux virq. + * + * Calls irq_create_mapping() to get a virq and sets the chip data to + * ps3_private data. + */ + +int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet, unsigned int *virq) { int result; @@ -111,17 +122,6 @@ int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, goto fail_create; } - /* Binds outlet to cpu + virq. */ - - result = lv1_connect_irq_plug_ext(pd->node, pd->cpu, *virq, outlet, 0); - - if (result) { - pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", - __func__, __LINE__, ps3_result(result)); - result = -EPERM; - goto fail_connect; - } - pr_debug("%s:%d: outlet %lu => cpu %u, virq %u\n", __func__, __LINE__, outlet, cpu, *virq); @@ -136,94 +136,118 @@ int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, return result; fail_set: - lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, *virq); -fail_connect: irq_dispose_mapping(*virq); fail_create: return result; } -EXPORT_SYMBOL_GPL(ps3_alloc_irq); -int ps3_free_irq(unsigned int virq) +/** + * ps3_virq_destroy - virq related teardown. + * @virq: The assigned Linux virq. + * + * Clears chip data and calls irq_dispose_mapping() for the virq. + */ + +int ps3_virq_destroy(unsigned int virq) { - int result; const struct ps3_private *pd = get_irq_chip_data(virq); pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, pd->node, pd->cpu, virq); - result = lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, virq); - - if (result) - pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", - __func__, __LINE__, ps3_result(result)); - set_irq_chip_data(virq, NULL); irq_dispose_mapping(virq); - return result; + + pr_debug("%s:%d <-\n", __func__, __LINE__); + return 0; } -EXPORT_SYMBOL_GPL(ps3_free_irq); /** - * ps3_alloc_io_irq - Assign a virq to a system bus device. + * ps3_irq_plug_setup - Generic outlet and virq related setup. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. - * @interrupt_id: The device interrupt id read from the system repository. + * @outlet: The HV outlet from the various create outlet routines. * @virq: The assigned Linux virq. * - * An io irq represents a non-virtualized device interrupt. interrupt_id - * coresponds to the interrupt number of the interrupt controller. + * Sets up virq and connects the irq plug. */ -int ps3_alloc_io_irq(enum ps3_cpu_binding cpu, unsigned int interrupt_id, +int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet, unsigned int *virq) { int result; - unsigned long outlet; + struct ps3_private *pd; - result = lv1_construct_io_irq_outlet(interrupt_id, &outlet); + result = ps3_virq_setup(cpu, outlet, virq); if (result) { - pr_debug("%s:%d: lv1_construct_io_irq_outlet failed: %s\n", - __func__, __LINE__, ps3_result(result)); - return result; + pr_debug("%s:%d: ps3_virq_setup failed\n", __func__, __LINE__); + goto fail_setup; } - result = ps3_alloc_irq(cpu, outlet, virq); - BUG_ON(result); + pd = get_irq_chip_data(*virq); + + /* Binds outlet to cpu + virq. */ + + result = lv1_connect_irq_plug_ext(pd->node, pd->cpu, *virq, outlet, 0); + if (result) { + pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", + __func__, __LINE__, ps3_result(result)); + result = -EPERM; + goto fail_connect; + } + + return result; + +fail_connect: + ps3_virq_destroy(*virq); +fail_setup: return result; } -EXPORT_SYMBOL_GPL(ps3_alloc_io_irq); +EXPORT_SYMBOL_GPL(ps3_irq_plug_setup); + +/** + * ps3_irq_plug_destroy - Generic outlet and virq related teardown. + * @virq: The assigned Linux virq. + * + * Disconnects the irq plug and tears down virq. + * Do not call for system bus event interrupts setup with + * ps3_sb_event_receive_port_setup(). + */ -int ps3_free_io_irq(unsigned int virq) +int ps3_irq_plug_destroy(unsigned int virq) { int result; + const struct ps3_private *pd = get_irq_chip_data(virq); - result = lv1_destruct_io_irq_outlet(virq_to_hw(virq)); + pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, + pd->node, pd->cpu, virq); + + result = lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, virq); if (result) - pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", - __func__, __LINE__, ps3_result(result)); + pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", + __func__, __LINE__, ps3_result(result)); - ps3_free_irq(virq); + ps3_virq_destroy(virq); return result; } -EXPORT_SYMBOL_GPL(ps3_free_io_irq); +EXPORT_SYMBOL_GPL(ps3_irq_plug_destroy); /** - * ps3_alloc_event_irq - Allocate a virq for use with a system event. + * ps3_event_receive_port_setup - Setup an event receive port. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @virq: The assigned Linux virq. * * The virq can be used with lv1_connect_interrupt_event_receive_port() to - * arrange to receive events, or with ps3_send_event_locally() to signal - * events. + * arrange to receive interrupts from system-bus devices, or with + * ps3_send_event_locally() to signal events. */ -int ps3_alloc_event_irq(enum ps3_cpu_binding cpu, unsigned int *virq) +int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq) { int result; unsigned long outlet; @@ -237,17 +261,27 @@ int ps3_alloc_event_irq(enum ps3_cpu_binding cpu, unsigned int *virq) return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } +EXPORT_SYMBOL_GPL(ps3_event_receive_port_setup); + +/** + * ps3_event_receive_port_destroy - Destroy an event receive port. + * @virq: The assigned Linux virq. + * + * Since ps3_event_receive_port_destroy destroys the receive port outlet, + * SB devices need to call disconnect_interrupt_event_receive_port() before + * this. + */ -int ps3_free_event_irq(unsigned int virq) +int ps3_event_receive_port_destroy(unsigned int virq) { int result; - pr_debug(" -> %s:%d\n", __func__, __LINE__); + pr_debug(" -> %s:%d virq: %u\n", __func__, __LINE__, virq); result = lv1_destruct_event_receive_port(virq_to_hw(virq)); @@ -255,11 +289,17 @@ int ps3_free_event_irq(unsigned int virq) pr_debug("%s:%d: lv1_destruct_event_receive_port failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_irq(virq); + /* lv1_destruct_event_receive_port() destroys the IRQ plug, + * so don't call ps3_irq_plug_destroy() here. + */ + + result = ps3_virq_destroy(virq); + BUG_ON(result); pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } +EXPORT_SYMBOL_GPL(ps3_event_receive_port_destroy); int ps3_send_event_locally(unsigned int virq) { @@ -267,7 +307,7 @@ int ps3_send_event_locally(unsigned int virq) } /** - * ps3_connect_event_irq - Assign a virq to a system bus device. + * ps3_sb_event_receive_port_setup - Setup a system bus event receive port. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @did: The HV device identifier read from the system repository. @@ -278,13 +318,15 @@ int ps3_send_event_locally(unsigned int virq) * coresponds to the software interrupt number. */ -int ps3_connect_event_irq(enum ps3_cpu_binding cpu, +int ps3_sb_event_receive_port_setup(enum ps3_cpu_binding cpu, const struct ps3_device_id *did, unsigned int interrupt_id, unsigned int *virq) { + /* this should go in system-bus.c */ + int result; - result = ps3_alloc_event_irq(cpu, virq); + result = ps3_event_receive_port_setup(cpu, virq); if (result) return result; @@ -296,7 +338,7 @@ int ps3_connect_event_irq(enum ps3_cpu_binding cpu, pr_debug("%s:%d: lv1_connect_interrupt_event_receive_port" " failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_event_irq(*virq); + ps3_event_receive_port_destroy(*virq); *virq = NO_IRQ; return result; } @@ -306,10 +348,13 @@ int ps3_connect_event_irq(enum ps3_cpu_binding cpu, return 0; } +EXPORT_SYMBOL(ps3_sb_event_receive_port_setup); -int ps3_disconnect_event_irq(const struct ps3_device_id *did, +int ps3_sb_event_receive_port_destroy(const struct ps3_device_id *did, unsigned int interrupt_id, unsigned int virq) { + /* this should go in system-bus.c */ + int result; pr_debug(" -> %s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, @@ -323,14 +368,65 @@ int ps3_disconnect_event_irq(const struct ps3_device_id *did, " failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_event_irq(virq); + result = ps3_event_receive_port_destroy(virq); + BUG_ON(result); pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } +EXPORT_SYMBOL(ps3_sb_event_receive_port_destroy); /** - * ps3_alloc_vuart_irq - Configure the system virtual uart virq. + * ps3_io_irq_setup - Setup a system bus io irq. + * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be + * serviced on. + * @interrupt_id: The device interrupt id read from the system repository. + * @virq: The assigned Linux virq. + * + * An io irq represents a non-virtualized device interrupt. interrupt_id + * coresponds to the interrupt number of the interrupt controller. + */ + +int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id, + unsigned int *virq) +{ + int result; + unsigned long outlet; + + result = lv1_construct_io_irq_outlet(interrupt_id, &outlet); + + if (result) { + pr_debug("%s:%d: lv1_construct_io_irq_outlet failed: %s\n", + __func__, __LINE__, ps3_result(result)); + return result; + } + + result = ps3_irq_plug_setup(cpu, outlet, virq); + BUG_ON(result); + + return result; +} +EXPORT_SYMBOL_GPL(ps3_io_irq_setup); + +int ps3_io_irq_destroy(unsigned int virq) +{ + int result; + + result = lv1_destruct_io_irq_outlet(virq_to_hw(virq)); + + if (result) + pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", + __func__, __LINE__, ps3_result(result)); + + result = ps3_irq_plug_destroy(virq); + BUG_ON(result); + + return result; +} +EXPORT_SYMBOL_GPL(ps3_io_irq_destroy); + +/** + * ps3_vuart_irq_setup - Setup the system virtual uart virq. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @virt_addr_bmp: The caller supplied virtual uart interrupt bitmap. @@ -340,7 +436,7 @@ int ps3_disconnect_event_irq(const struct ps3_device_id *did, * freeing the interrupt will return a wrong state error. */ -int ps3_alloc_vuart_irq(enum ps3_cpu_binding cpu, void* virt_addr_bmp, +int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp, unsigned int *virq) { int result; @@ -359,13 +455,13 @@ int ps3_alloc_vuart_irq(enum ps3_cpu_binding cpu, void* virt_addr_bmp, return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } -int ps3_free_vuart_irq(unsigned int virq) +int ps3_vuart_irq_destroy(unsigned int virq) { int result; @@ -377,13 +473,14 @@ int ps3_free_vuart_irq(unsigned int virq) return result; } - ps3_free_irq(virq); + result = ps3_irq_plug_destroy(virq); + BUG_ON(result); return result; } /** - * ps3_alloc_spe_irq - Configure an spe virq. + * ps3_spe_irq_setup - Setup an spe virq. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @spe_id: The spe_id returned from lv1_construct_logical_spe(). @@ -392,7 +489,7 @@ int ps3_free_vuart_irq(unsigned int virq) * */ -int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id, +int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id, unsigned int class, unsigned int *virq) { int result; @@ -408,15 +505,16 @@ int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id, return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } -int ps3_free_spe_irq(unsigned int virq) +int ps3_spe_irq_destroy(unsigned int virq) { - ps3_free_irq(virq); + int result = ps3_irq_plug_destroy(virq); + BUG_ON(result); return 0; } diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index 2014d2b44449..f8a3e206c584 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -826,5 +826,4 @@ void __init ps3_mm_init(void) void ps3_mm_shutdown(void) { ps3_mm_region_destroy(&map.r1); - map.total = map.rm.size; } diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index ac5df9688dcb..c9894933084f 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -137,6 +137,12 @@ early_param("ps3fb", early_parse_ps3fb); #define prealloc_ps3fb_videomemory() do { } while (0) #endif +static int ps3_set_dabr(u64 dabr) +{ + enum {DABR_USER = 1, DABR_KERNEL = 2,}; + + return lv1_set_dabr(dabr, DABR_KERNEL | DABR_USER) ? -1 : 0; +} static void __init ps3_setup_arch(void) { @@ -234,6 +240,7 @@ define_machine(ps3) { .get_boot_time = ps3_get_boot_time, .set_rtc_time = ps3_set_rtc_time, .get_rtc_time = ps3_get_rtc_time, + .set_dabr = ps3_set_dabr, .calibrate_decr = ps3_calibrate_decr, .progress = ps3_progress, .restart = ps3_restart, diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 6fb887961a6d..8729348c0608 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -110,7 +110,7 @@ static void __init ps3_smp_setup_cpu(int cpu) BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); for (i = 0; i < MSG_COUNT; i++) { - result = ps3_alloc_event_irq(cpu, &virqs[i]); + result = ps3_event_receive_port_setup(cpu, &virqs[i]); if (result) continue; @@ -134,11 +134,13 @@ void ps3_smp_cleanup_cpu(int cpu) int i; DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); + for (i = 0; i < MSG_COUNT; i++) { - ps3_free_event_irq(virqs[i]); free_irq(virqs[i], (void*)(long)i); + ps3_event_receive_port_destroy(virqs[i]); virqs[i] = NO_IRQ; } + DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); } diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index a397e4e17c13..651437cb2c18 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -184,7 +184,7 @@ static int __init setup_areas(struct spu *spu) spu_pdata(spu)->shadow = __ioremap( spu_pdata(spu)->shadow_addr, sizeof(struct spe_shadow), - PAGE_READONLY | _PAGE_NO_CACHE | _PAGE_GUARDED); + pgprot_val(PAGE_READONLY) | _PAGE_NO_CACHE | _PAGE_GUARDED); if (!spu_pdata(spu)->shadow) { pr_debug("%s:%d: ioremap shadow failed\n", __func__, __LINE__); goto fail_ioremap; @@ -230,19 +230,19 @@ static int __init setup_interrupts(struct spu *spu) { int result; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 0, &spu->irqs[0]); if (result) goto fail_alloc_0; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 1, &spu->irqs[1]); if (result) goto fail_alloc_1; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 2, &spu->irqs[2]); if (result) @@ -251,9 +251,9 @@ static int __init setup_interrupts(struct spu *spu) return result; fail_alloc_2: - ps3_free_spe_irq(spu->irqs[1]); + ps3_spe_irq_destroy(spu->irqs[1]); fail_alloc_1: - ps3_free_spe_irq(spu->irqs[0]); + ps3_spe_irq_destroy(spu->irqs[0]); fail_alloc_0: spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ; return result; @@ -301,9 +301,9 @@ static int ps3_destroy_spu(struct spu *spu) result = lv1_disable_logical_spe(spu_pdata(spu)->spe_id, 0); BUG_ON(result); - ps3_free_spe_irq(spu->irqs[2]); - ps3_free_spe_irq(spu->irqs[1]); - ps3_free_spe_irq(spu->irqs[0]); + ps3_spe_irq_destroy(spu->irqs[2]); + ps3_spe_irq_destroy(spu->irqs[1]); + ps3_spe_irq_destroy(spu->irqs[0]); spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ; |
