diff options
Diffstat (limited to 'arch/mips/sgi-ip27')
| -rw-r--r-- | arch/mips/sgi-ip27/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-berr.c | 4 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-console.c | 3 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-hubio.c | 14 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-init.c | 6 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-irq-pci.c | 265 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-irq.c | 214 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-klconfig.c | 1 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-klnuma.c | 2 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-memory.c | 66 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-nmi.c | 6 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-reset.c | 2 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-smp.c | 15 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-timer.c | 14 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-xtalk.c | 23 |
16 files changed, 327 insertions, 310 deletions
diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig index 4b2ea282b9c..4d8705a65e4 100644 --- a/arch/mips/sgi-ip27/Kconfig +++ b/arch/mips/sgi-ip27/Kconfig @@ -13,7 +13,6 @@ config SGI_SN_M_MODE config SGI_SN_N_MODE bool "IP27 N-Mode" - depends on EXPERIMENTAL help The nodes of Origin, Onyx, Fuel and Tezro systems can be configured in either N-Modes which allows for more nodes or M-Mode which allows diff --git a/arch/mips/sgi-ip27/Makefile b/arch/mips/sgi-ip27/Makefile index 1f29e761d69..da8f6816d34 100644 --- a/arch/mips/sgi-ip27/Makefile +++ b/arch/mips/sgi-ip27/Makefile @@ -7,4 +7,5 @@ obj-y := ip27-berr.o ip27-irq.o ip27-init.o ip27-klconfig.o ip27-klnuma.o \ ip27-xtalk.o obj-$(CONFIG_EARLY_PRINTK) += ip27-console.o +obj-$(CONFIG_PCI) += ip27-irq-pci.o obj-$(CONFIG_SMP) += ip27-smp.o diff --git a/arch/mips/sgi-ip27/ip27-berr.c b/arch/mips/sgi-ip27/ip27-berr.c index 04cebadc2b3..692778da9e7 100644 --- a/arch/mips/sgi-ip27/ip27-berr.c +++ b/arch/mips/sgi-ip27/ip27-berr.c @@ -39,7 +39,7 @@ static void dump_hub_information(unsigned long errst0, unsigned long errst1) printk("Hub has valid error information:\n"); if (errst0 & PI_ERR_ST0_OVERRUN_MASK) - printk("Overrun is set. Error stack may contain additional " + printk("Overrun is set. Error stack may contain additional " "information.\n"); printk("Hub error address is %08lx\n", (errst0 & PI_ERR_ST0_ADDR_MASK) >> (PI_ERR_ST0_ADDR_SHFT - 3)); @@ -85,7 +85,7 @@ void __init ip27_be_init(void) board_be_handler = ip27_be_handler; LOCAL_HUB_S(PI_ERR_INT_PEND, - cpu ? PI_ERR_CLEAR_ALL_B : PI_ERR_CLEAR_ALL_A); + cpu ? PI_ERR_CLEAR_ALL_B : PI_ERR_CLEAR_ALL_A); LOCAL_HUB_S(PI_ERR_INT_MASK_A + cpuoff, 0); LOCAL_HUB_S(PI_ERR_STACK_ADDR_A + cpuoff, 0); LOCAL_HUB_S(PI_ERR_STACK_SIZE, 0); /* Disable error stack */ diff --git a/arch/mips/sgi-ip27/ip27-console.c b/arch/mips/sgi-ip27/ip27-console.c index 984e561f0f7..45fdfbcbd4c 100644 --- a/arch/mips/sgi-ip27/ip27-console.c +++ b/arch/mips/sgi-ip27/ip27-console.c @@ -5,7 +5,6 @@ * * Copyright (C) 2001, 2002 Ralf Baechle */ -#include <linux/init.h> #include <asm/page.h> #include <asm/sn/addrs.h> @@ -31,7 +30,7 @@ static inline struct ioc3_uartregs *console_uart(void) return &ioc3->sregs.uarta; } -void __init prom_putchar(char c) +void prom_putchar(char c) { struct ioc3_uartregs *uart = console_uart(); diff --git a/arch/mips/sgi-ip27/ip27-hubio.c b/arch/mips/sgi-ip27/ip27-hubio.c index cd0d5b06cd8..328ceb3c86e 100644 --- a/arch/mips/sgi-ip27/ip27-hubio.c +++ b/arch/mips/sgi-ip27/ip27-hubio.c @@ -17,11 +17,11 @@ static int force_fire_and_forget = 1; /** - * hub_pio_map - establish a HUB PIO mapping + * hub_pio_map - establish a HUB PIO mapping * * @hub: hub to perform PIO mapping on * @widget: widget ID to perform PIO mapping for - * @xtalk_addr: xtalk_address that needs to be mapped + * @xtalk_addr: xtalk_address that needs to be mapped * @size: size of the PIO mapping * **/ @@ -78,8 +78,8 @@ unsigned long hub_pio_map(cnodeid_t cnode, xwidgetnum_t widget, /* * hub_setup_prb(nasid, prbnum, credits, conveyor) * - * Put a PRB into fire-and-forget mode if conveyor isn't set. Otherwise, - * put it into conveyor belt mode with the specified number of credits. + * Put a PRB into fire-and-forget mode if conveyor isn't set. Otherwise, + * put it into conveyor belt mode with the specified number of credits. */ static void hub_setup_prb(nasid_t nasid, int prbnum, int credits) { @@ -125,12 +125,12 @@ static void hub_setup_prb(nasid_t nasid, int prbnum, int credits) * so we turn off access to all widgets for the duration of the function. * * XXX - This code should really check what kind of widget we're talking - * to. Bridges can only handle three requests, but XG will do more. + * to. Bridges can only handle three requests, but XG will do more. * How many can crossbow handle to widget 0? We're assuming 1. * * XXX - There is a bug in the crossbow that link reset PIOs do not * return write responses. The easiest solution to this problem is to - * leave widget 0 (xbow) in fire-and-forget mode at all times. This + * leave widget 0 (xbow) in fire-and-forget mode at all times. This * only affects pio's to xbow registers, which should be rare. **/ static void hub_set_piomode(nasid_t nasid) @@ -167,7 +167,7 @@ static void hub_set_piomode(nasid_t nasid) } /* - * hub_pio_init - PIO-related hub initialization + * hub_pio_init - PIO-related hub initialization * * @hub: hubinfo structure for our hub */ diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index 923c080f77b..ee736bd103f 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -54,7 +54,7 @@ extern void pcibr_setup(cnodeid_t); extern void xtalk_probe_node(cnodeid_t nid); -static void __cpuinit per_hub_init(cnodeid_t cnode) +static void per_hub_init(cnodeid_t cnode) { struct hub_data *hub = hub_data(cnode); nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode); @@ -110,7 +110,7 @@ static void __cpuinit per_hub_init(cnodeid_t cnode) } } -void __cpuinit per_cpu_init(void) +void per_cpu_init(void) { int cpu = smp_processor_id(); int slice = LOCAL_HUB_L(PI_CPU_NUM); @@ -151,7 +151,7 @@ nasid_t get_nasid(void) { return (nasid_t)((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_NODEID_MASK) - >> NSRI_NODEID_SHFT); + >> NSRI_NODEID_SHFT); } /* diff --git a/arch/mips/sgi-ip27/ip27-irq-pci.c b/arch/mips/sgi-ip27/ip27-irq-pci.c new file mode 100644 index 00000000000..2a1c40784bd --- /dev/null +++ b/arch/mips/sgi-ip27/ip27-irq-pci.c @@ -0,0 +1,265 @@ +/* + * ip27-irq.c: Highlevel interrupt handling for IP27 architecture. + * + * Copyright (C) 1999, 2000 Ralf Baechle (ralf@gnu.org) + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + * Copyright (C) 1999 - 2001 Kanoj Sarcar + */ + +#undef DEBUG + +#include <linux/irq.h> +#include <linux/errno.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/timex.h> +#include <linux/smp.h> +#include <linux/random.h> +#include <linux/kernel.h> +#include <linux/kernel_stat.h> +#include <linux/delay.h> +#include <linux/bitops.h> + +#include <asm/bootinfo.h> +#include <asm/io.h> +#include <asm/mipsregs.h> + +#include <asm/processor.h> +#include <asm/pci/bridge.h> +#include <asm/sn/addrs.h> +#include <asm/sn/agent.h> +#include <asm/sn/arch.h> +#include <asm/sn/hub.h> +#include <asm/sn/intr.h> + +/* + * Linux has a controller-independent x86 interrupt architecture. + * every controller has a 'controller-template', that is used + * by the main code to do the right thing. Each driver-visible + * interrupt source is transparently wired to the appropriate + * controller. Thus drivers need not be aware of the + * interrupt-controller. + * + * Various interrupt controllers we handle: 8259 PIC, SMP IO-APIC, + * PIIX4's internal 8259 PIC and SGI's Visual Workstation Cobalt (IO-)APIC. + * (IO-APICs assumed to be messaging to Pentium local-APICs) + * + * the code is designed to be easily extended with new/different + * interrupt controllers, without having to do assembly magic. + */ + +extern struct bridge_controller *irq_to_bridge[]; +extern int irq_to_slot[]; + +/* + * use these macros to get the encoded nasid and widget id + * from the irq value + */ +#define IRQ_TO_BRIDGE(i) irq_to_bridge[(i)] +#define SLOT_FROM_PCI_IRQ(i) irq_to_slot[i] + +static inline int alloc_level(int cpu, int irq) +{ + struct hub_data *hub = hub_data(cpu_to_node(cpu)); + struct slice_data *si = cpu_data[cpu].data; + int level; + + level = find_first_zero_bit(hub->irq_alloc_mask, LEVELS_PER_SLICE); + if (level >= LEVELS_PER_SLICE) + panic("Cpu %d flooded with devices", cpu); + + __set_bit(level, hub->irq_alloc_mask); + si->level_to_irq[level] = irq; + + return level; +} + +static inline int find_level(cpuid_t *cpunum, int irq) +{ + int cpu, i; + + for_each_online_cpu(cpu) { + struct slice_data *si = cpu_data[cpu].data; + + for (i = BASE_PCI_IRQ; i < LEVELS_PER_SLICE; i++) + if (si->level_to_irq[i] == irq) { + *cpunum = cpu; + + return i; + } + } + + panic("Could not identify cpu/level for irq %d", irq); +} + +static int intr_connect_level(int cpu, int bit) +{ + nasid_t nasid = COMPACT_TO_NASID_NODEID(cpu_to_node(cpu)); + struct slice_data *si = cpu_data[cpu].data; + + set_bit(bit, si->irq_enable_mask); + + if (!cputoslice(cpu)) { + REMOTE_HUB_S(nasid, PI_INT_MASK0_A, si->irq_enable_mask[0]); + REMOTE_HUB_S(nasid, PI_INT_MASK1_A, si->irq_enable_mask[1]); + } else { + REMOTE_HUB_S(nasid, PI_INT_MASK0_B, si->irq_enable_mask[0]); + REMOTE_HUB_S(nasid, PI_INT_MASK1_B, si->irq_enable_mask[1]); + } + + return 0; +} + +static int intr_disconnect_level(int cpu, int bit) +{ + nasid_t nasid = COMPACT_TO_NASID_NODEID(cpu_to_node(cpu)); + struct slice_data *si = cpu_data[cpu].data; + + clear_bit(bit, si->irq_enable_mask); + + if (!cputoslice(cpu)) { + REMOTE_HUB_S(nasid, PI_INT_MASK0_A, si->irq_enable_mask[0]); + REMOTE_HUB_S(nasid, PI_INT_MASK1_A, si->irq_enable_mask[1]); + } else { + REMOTE_HUB_S(nasid, PI_INT_MASK0_B, si->irq_enable_mask[0]); + REMOTE_HUB_S(nasid, PI_INT_MASK1_B, si->irq_enable_mask[1]); + } + + return 0; +} + +/* Startup one of the (PCI ...) IRQs routes over a bridge. */ +static unsigned int startup_bridge_irq(struct irq_data *d) +{ + struct bridge_controller *bc; + bridgereg_t device; + bridge_t *bridge; + int pin, swlevel; + cpuid_t cpu; + + pin = SLOT_FROM_PCI_IRQ(d->irq); + bc = IRQ_TO_BRIDGE(d->irq); + bridge = bc->base; + + pr_debug("bridge_startup(): irq= 0x%x pin=%d\n", d->irq, pin); + /* + * "map" irq to a swlevel greater than 6 since the first 6 bits + * of INT_PEND0 are taken + */ + swlevel = find_level(&cpu, d->irq); + bridge->b_int_addr[pin].addr = (0x20000 | swlevel | (bc->nasid << 8)); + bridge->b_int_enable |= (1 << pin); + bridge->b_int_enable |= 0x7ffffe00; /* more stuff in int_enable */ + + /* + * Enable sending of an interrupt clear packt to the hub on a high to + * low transition of the interrupt pin. + * + * IRIX sets additional bits in the address which are documented as + * reserved in the bridge docs. + */ + bridge->b_int_mode |= (1UL << pin); + + /* + * We assume the bridge to have a 1:1 mapping between devices + * (slots) and intr pins. + */ + device = bridge->b_int_device; + device &= ~(7 << (pin*3)); + device |= (pin << (pin*3)); + bridge->b_int_device = device; + + bridge->b_wid_tflush; + + intr_connect_level(cpu, swlevel); + + return 0; /* Never anything pending. */ +} + +/* Shutdown one of the (PCI ...) IRQs routes over a bridge. */ +static void shutdown_bridge_irq(struct irq_data *d) +{ + struct bridge_controller *bc = IRQ_TO_BRIDGE(d->irq); + bridge_t *bridge = bc->base; + int pin, swlevel; + cpuid_t cpu; + + pr_debug("bridge_shutdown: irq 0x%x\n", d->irq); + pin = SLOT_FROM_PCI_IRQ(d->irq); + + /* + * map irq to a swlevel greater than 6 since the first 6 bits + * of INT_PEND0 are taken + */ + swlevel = find_level(&cpu, d->irq); + intr_disconnect_level(cpu, swlevel); + + bridge->b_int_enable &= ~(1 << pin); + bridge->b_wid_tflush; +} + +static inline void enable_bridge_irq(struct irq_data *d) +{ + cpuid_t cpu; + int swlevel; + + swlevel = find_level(&cpu, d->irq); /* Criminal offence */ + intr_connect_level(cpu, swlevel); +} + +static inline void disable_bridge_irq(struct irq_data *d) +{ + cpuid_t cpu; + int swlevel; + + swlevel = find_level(&cpu, d->irq); /* Criminal offence */ + intr_disconnect_level(cpu, swlevel); +} + +static struct irq_chip bridge_irq_type = { + .name = "bridge", + .irq_startup = startup_bridge_irq, + .irq_shutdown = shutdown_bridge_irq, + .irq_mask = disable_bridge_irq, + .irq_unmask = enable_bridge_irq, +}; + +void register_bridge_irq(unsigned int irq) +{ + irq_set_chip_and_handler(irq, &bridge_irq_type, handle_level_irq); +} + +int request_bridge_irq(struct bridge_controller *bc) +{ + int irq = allocate_irqno(); + int swlevel, cpu; + nasid_t nasid; + + if (irq < 0) + return irq; + + /* + * "map" irq to a swlevel greater than 6 since the first 6 bits + * of INT_PEND0 are taken + */ + cpu = bc->irq_cpu; + swlevel = alloc_level(cpu, irq); + if (unlikely(swlevel < 0)) { + free_irqno(irq); + + return -EAGAIN; + } + + /* Make sure it's not already pending when we connect it. */ + nasid = COMPACT_TO_NASID_NODEID(cpu_to_node(cpu)); + REMOTE_HUB_CLR_INTR(nasid, swlevel); + + intr_connect_level(cpu, swlevel); + + register_bridge_irq(irq); + + return irq; +} diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 69a939ae65e..3fbaef97a1b 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -29,7 +29,6 @@ #include <asm/mipsregs.h> #include <asm/processor.h> -#include <asm/pci/bridge.h> #include <asm/sn/addrs.h> #include <asm/sn/agent.h> #include <asm/sn/arch.h> @@ -54,50 +53,6 @@ extern asmlinkage void ip27_irq(void); -extern struct bridge_controller *irq_to_bridge[]; -extern int irq_to_slot[]; - -/* - * use these macros to get the encoded nasid and widget id - * from the irq value - */ -#define IRQ_TO_BRIDGE(i) irq_to_bridge[(i)] -#define SLOT_FROM_PCI_IRQ(i) irq_to_slot[i] - -static inline int alloc_level(int cpu, int irq) -{ - struct hub_data *hub = hub_data(cpu_to_node(cpu)); - struct slice_data *si = cpu_data[cpu].data; - int level; - - level = find_first_zero_bit(hub->irq_alloc_mask, LEVELS_PER_SLICE); - if (level >= LEVELS_PER_SLICE) - panic("Cpu %d flooded with devices", cpu); - - __set_bit(level, hub->irq_alloc_mask); - si->level_to_irq[level] = irq; - - return level; -} - -static inline int find_level(cpuid_t *cpunum, int irq) -{ - int cpu, i; - - for_each_online_cpu(cpu) { - struct slice_data *si = cpu_data[cpu].data; - - for (i = BASE_PCI_IRQ; i < LEVELS_PER_SLICE; i++) - if (si->level_to_irq[i] == irq) { - *cpunum = cpu; - - return i; - } - } - - panic("Could not identify cpu/level for irq %d", irq); -} - /* * Find first bit set */ @@ -204,175 +159,6 @@ static void ip27_hub_error(void) panic("CPU %d got a hub error interrupt", smp_processor_id()); } -static int intr_connect_level(int cpu, int bit) -{ - nasid_t nasid = COMPACT_TO_NASID_NODEID(cpu_to_node(cpu)); - struct slice_data *si = cpu_data[cpu].data; - - set_bit(bit, si->irq_enable_mask); - - if (!cputoslice(cpu)) { - REMOTE_HUB_S(nasid, PI_INT_MASK0_A, si->irq_enable_mask[0]); - REMOTE_HUB_S(nasid, PI_INT_MASK1_A, si->irq_enable_mask[1]); - } else { - REMOTE_HUB_S(nasid, PI_INT_MASK0_B, si->irq_enable_mask[0]); - REMOTE_HUB_S(nasid, PI_INT_MASK1_B, si->irq_enable_mask[1]); - } - - return 0; -} - -static int intr_disconnect_level(int cpu, int bit) -{ - nasid_t nasid = COMPACT_TO_NASID_NODEID(cpu_to_node(cpu)); - struct slice_data *si = cpu_data[cpu].data; - - clear_bit(bit, si->irq_enable_mask); - - if (!cputoslice(cpu)) { - REMOTE_HUB_S(nasid, PI_INT_MASK0_A, si->irq_enable_mask[0]); - REMOTE_HUB_S(nasid, PI_INT_MASK1_A, si->irq_enable_mask[1]); - } else { - REMOTE_HUB_S(nasid, PI_INT_MASK0_B, si->irq_enable_mask[0]); - REMOTE_HUB_S(nasid, PI_INT_MASK1_B, si->irq_enable_mask[1]); - } - - return 0; -} - -/* Startup one of the (PCI ...) IRQs routes over a bridge. */ -static unsigned int startup_bridge_irq(struct irq_data *d) -{ - struct bridge_controller *bc; - bridgereg_t device; - bridge_t *bridge; - int pin, swlevel; - cpuid_t cpu; - - pin = SLOT_FROM_PCI_IRQ(d->irq); - bc = IRQ_TO_BRIDGE(d->irq); - bridge = bc->base; - - pr_debug("bridge_startup(): irq= 0x%x pin=%d\n", d->irq, pin); - /* - * "map" irq to a swlevel greater than 6 since the first 6 bits - * of INT_PEND0 are taken - */ - swlevel = find_level(&cpu, d->irq); - bridge->b_int_addr[pin].addr = (0x20000 | swlevel | (bc->nasid << 8)); - bridge->b_int_enable |= (1 << pin); - bridge->b_int_enable |= 0x7ffffe00; /* more stuff in int_enable */ - - /* - * Enable sending of an interrupt clear packt to the hub on a high to - * low transition of the interrupt pin. - * - * IRIX sets additional bits in the address which are documented as - * reserved in the bridge docs. - */ - bridge->b_int_mode |= (1UL << pin); - - /* - * We assume the bridge to have a 1:1 mapping between devices - * (slots) and intr pins. - */ - device = bridge->b_int_device; - device &= ~(7 << (pin*3)); - device |= (pin << (pin*3)); - bridge->b_int_device = device; - - bridge->b_wid_tflush; - - intr_connect_level(cpu, swlevel); - - return 0; /* Never anything pending. */ -} - -/* Shutdown one of the (PCI ...) IRQs routes over a bridge. */ -static void shutdown_bridge_irq(struct irq_data *d) -{ - struct bridge_controller *bc = IRQ_TO_BRIDGE(d->irq); - bridge_t *bridge = bc->base; - int pin, swlevel; - cpuid_t cpu; - - pr_debug("bridge_shutdown: irq 0x%x\n", d->irq); - pin = SLOT_FROM_PCI_IRQ(d->irq); - - /* - * map irq to a swlevel greater than 6 since the first 6 bits - * of INT_PEND0 are taken - */ - swlevel = find_level(&cpu, d->irq); - intr_disconnect_level(cpu, swlevel); - - bridge->b_int_enable &= ~(1 << pin); - bridge->b_wid_tflush; -} - -static inline void enable_bridge_irq(struct irq_data *d) -{ - cpuid_t cpu; - int swlevel; - - swlevel = find_level(&cpu, d->irq); /* Criminal offence */ - intr_connect_level(cpu, swlevel); -} - -static inline void disable_bridge_irq(struct irq_data *d) -{ - cpuid_t cpu; - int swlevel; - - swlevel = find_level(&cpu, d->irq); /* Criminal offence */ - intr_disconnect_level(cpu, swlevel); -} - -static struct irq_chip bridge_irq_type = { - .name = "bridge", - .irq_startup = startup_bridge_irq, - .irq_shutdown = shutdown_bridge_irq, - .irq_mask = disable_bridge_irq, - .irq_unmask = enable_bridge_irq, -}; - -void register_bridge_irq(unsigned int irq) -{ - irq_set_chip_and_handler(irq, &bridge_irq_type, handle_level_irq); -} - -int request_bridge_irq(struct bridge_controller *bc) -{ - int irq = allocate_irqno(); - int swlevel, cpu; - nasid_t nasid; - - if (irq < 0) - return irq; - - /* - * "map" irq to a swlevel greater than 6 since the first 6 bits - * of INT_PEND0 are taken - */ - cpu = bc->irq_cpu; - swlevel = alloc_level(cpu, irq); - if (unlikely(swlevel < 0)) { - free_irqno(irq); - - return -EAGAIN; - } - - /* Make sure it's not already pending when we connect it. */ - nasid = COMPACT_TO_NASID_NODEID(cpu_to_node(cpu)); - REMOTE_HUB_CLR_INTR(nasid, swlevel); - - intr_connect_level(cpu, swlevel); - - register_bridge_irq(irq); - - return irq; -} - asmlinkage void plat_irq_dispatch(void) { unsigned long pending = read_c0_cause() & read_c0_status(); diff --git a/arch/mips/sgi-ip27/ip27-klconfig.c b/arch/mips/sgi-ip27/ip27-klconfig.c index 7afe1468800..c873d62ff08 100644 --- a/arch/mips/sgi-ip27/ip27-klconfig.c +++ b/arch/mips/sgi-ip27/ip27-klconfig.c @@ -2,7 +2,6 @@ * Copyright (C) 1999, 2000 Ralf Baechle (ralf@gnu.org) * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ -#include <linux/init.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/interrupt.h> diff --git a/arch/mips/sgi-ip27/ip27-klnuma.c b/arch/mips/sgi-ip27/ip27-klnuma.c index 1d1919a44e8..7a53b1e28a9 100644 --- a/arch/mips/sgi-ip27/ip27-klnuma.c +++ b/arch/mips/sgi-ip27/ip27-klnuma.c @@ -114,7 +114,7 @@ void __init replicate_kernel_text() * data structures on the first couple of pages of the first slot of each * node. If this is the case, getfirstfree(node) > getslotstart(node, 0). */ -pfn_t node_getfirstfree(cnodeid_t cnode) +unsigned long node_getfirstfree(cnodeid_t cnode) { unsigned long loadbase = REP_BASE; nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode); diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index b105eca3c02..a95c00f5fb9 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -31,8 +31,8 @@ #include <asm/sn/sn_private.h> -#define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT) -#define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT) +#define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT) +#define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT) struct node_data *__node_data[MAX_COMPACT_NODES]; @@ -43,7 +43,7 @@ static int fine_mode; static int is_fine_dirmode(void) { return (((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_REGIONSIZE_MASK) - >> NSRI_REGIONSIZE_SHFT) & REGIONSIZE_FINE); + >> NSRI_REGIONSIZE_SHFT) & REGIONSIZE_FINE); } static hubreg_t get_region(cnodeid_t cnode) @@ -66,7 +66,7 @@ static void gen_region_mask(hubreg_t *region_mask) } } -#define rou_rflag rou_flags +#define rou_rflag rou_flags static int router_distance; @@ -255,14 +255,14 @@ static void __init dump_topology(void) } } -static pfn_t __init slot_getbasepfn(cnodeid_t cnode, int slot) +static unsigned long __init slot_getbasepfn(cnodeid_t cnode, int slot) { nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode); - return ((pfn_t)nasid << PFN_NASIDSHFT) | (slot << SLOT_PFNSHIFT); + return ((unsigned long)nasid << PFN_NASIDSHFT) | (slot << SLOT_PFNSHIFT); } -static pfn_t __init slot_psize_compute(cnodeid_t node, int slot) +static unsigned long __init slot_psize_compute(cnodeid_t node, int slot) { nasid_t nasid; lboard_t *brd; @@ -353,12 +353,10 @@ static void __init mlreset(void) static void __init szmem(void) { - pfn_t slot_psize, slot0sz = 0, nodebytes; /* Hack to detect problem configs */ + unsigned long slot_psize, slot0sz = 0, nodebytes; /* Hack to detect problem configs */ int slot; cnodeid_t node; - num_physpages = 0; - for_each_online_node(node) { nodebytes = 0; for (slot = 0; slot < MAX_MEM_SLOTS; slot++) { @@ -381,7 +379,6 @@ static void __init szmem(void) slot = MAX_MEM_SLOTS; continue; } - num_physpages += slot_psize; memblock_add_node(PFN_PHYS(slot_getbasepfn(node, slot)), PFN_PHYS(slot_psize), node); } @@ -390,10 +387,10 @@ static void __init szmem(void) static void __init node_mem_init(cnodeid_t node) { - pfn_t slot_firstpfn = slot_getbasepfn(node, 0); - pfn_t slot_freepfn = node_getfirstfree(node); + unsigned long slot_firstpfn = slot_getbasepfn(node, 0); + unsigned long slot_freepfn = node_getfirstfree(node); unsigned long bootmap_size; - pfn_t start_pfn, end_pfn; + unsigned long start_pfn, end_pfn; get_pfn_range_for_nid(node, &start_pfn, &end_pfn); @@ -401,6 +398,7 @@ static void __init node_mem_init(cnodeid_t node) * Allocate the node data structures on the node first. */ __node_data[node] = __va(slot_freepfn << PAGE_SHIFT); + memset(__node_data[node], 0, PAGE_SIZE); NODE_DATA(node)->bdata = &bootmem_node_data[node]; NODE_DATA(node)->node_start_pfn = start_pfn; @@ -411,7 +409,7 @@ static void __init node_mem_init(cnodeid_t node) slot_freepfn += PFN_UP(sizeof(struct pglist_data) + sizeof(struct hub_data)); - bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn, + bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn, start_pfn, end_pfn); free_bootmem_with_active_regions(node, end_pfn); reserve_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT, @@ -421,7 +419,7 @@ static void __init node_mem_init(cnodeid_t node) } /* - * A node with nothing. We use it to avoid any special casing in + * A node with nothing. We use it to avoid any special casing in * cpumask_of_node */ static struct node_data null_node = { @@ -456,7 +454,7 @@ void __init prom_free_prom_memory(void) /* We got nothing to free here ... */ } -extern unsigned long setup_zero_pages(void); +extern void setup_zero_pages(void); void __init paging_init(void) { @@ -466,7 +464,7 @@ void __init paging_init(void) pagetable_init(); for_each_online_node(node) { - pfn_t start_pfn, end_pfn; + unsigned long start_pfn, end_pfn; get_pfn_range_for_nid(node, &start_pfn, &end_pfn); @@ -479,32 +477,8 @@ void __init paging_init(void) void __init mem_init(void) { - unsigned long codesize, datasize, initsize, tmp; - unsigned node; - - high_memory = (void *) __va(num_physpages << PAGE_SHIFT); - - for_each_online_node(node) { - /* - * This will free up the bootmem, ie, slot 0 memory. - */ - totalram_pages += free_all_bootmem_node(NODE_DATA(node)); - } - - totalram_pages -= setup_zero_pages(); /* This comes from node 0 */ - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_etext; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - tmp = nr_free_pages(); - printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, " - "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n", - tmp << (PAGE_SHIFT-10), - num_physpages << (PAGE_SHIFT-10), - codesize >> 10, - (num_physpages - tmp) << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10, - totalhigh_pages << (PAGE_SHIFT-10)); + high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT); + free_all_bootmem(); + setup_zero_pages(); /* This comes from node 0 */ + mem_init_print_info(NULL); } diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c index 005c29ed419..a2358b44420 100644 --- a/arch/mips/sgi-ip27/ip27-nmi.c +++ b/arch/mips/sgi-ip27/ip27-nmi.c @@ -54,7 +54,7 @@ void install_cpu_nmi_handler(int slice) void nmi_cpu_eframe_save(nasid_t nasid, int slice) { struct reg_struct *nr; - int i; + int i; /* Get the pointer to the current cpu's register set. */ nr = (struct reg_struct *) @@ -86,12 +86,12 @@ void nmi_cpu_eframe_save(nasid_t nasid, int slice) printk("%s\n", print_tainted()); printk("ErrEPC: %016lx %pS\n", nr->error_epc, (void *) nr->error_epc); printk("ra : %016lx %pS\n", nr->gpr[31], (void *) nr->gpr[31]); - printk("Status: %08lx ", nr->sr); + printk("Status: %08lx ", nr->sr); if (nr->sr & ST0_KX) printk("KX "); if (nr->sr & ST0_SX) - printk("SX "); + printk("SX "); if (nr->sr & ST0_UX) printk("UX "); diff --git a/arch/mips/sgi-ip27/ip27-reset.c b/arch/mips/sgi-ip27/ip27-reset.c index f347bc6b795..ac37e54b3d5 100644 --- a/arch/mips/sgi-ip27/ip27-reset.c +++ b/arch/mips/sgi-ip27/ip27-reset.c @@ -29,7 +29,7 @@ void machine_restart(char *command) __attribute__((noreturn)); void machine_halt(void) __attribute__((noreturn)); void machine_power_off(void) __attribute__((noreturn)); -#define noreturn while(1); /* Silence gcc. */ +#define noreturn while(1); /* Silence gcc. */ /* XXX How to pass the reboot command to the firmware??? */ static void ip27_machine_restart(char *command) diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c index 735b43bf8f8..f9ae6a8fa7c 100644 --- a/arch/mips/sgi-ip27/ip27-smp.c +++ b/arch/mips/sgi-ip27/ip27-smp.c @@ -173,12 +173,12 @@ static void ip27_send_ipi_mask(const struct cpumask *mask, unsigned int action) ip27_send_ipi_single(i, action); } -static void __cpuinit ip27_init_secondary(void) +static void ip27_init_secondary(void) { per_cpu_init(); } -static void __cpuinit ip27_smp_finish(void) +static void ip27_smp_finish(void) { extern void hub_rt_clock_event_init(void); @@ -186,16 +186,12 @@ static void __cpuinit ip27_smp_finish(void) local_irq_enable(); } -static void __init ip27_cpus_done(void) -{ -} - /* - * Launch a slave into smp_bootstrap(). It doesn't take an argument, and we + * Launch a slave into smp_bootstrap(). It doesn't take an argument, and we * set sp to the kernel stack of the newly created idle process, gp to the proc * struct so that current_thread_info() will work. */ -static void __cpuinit ip27_boot_secondary(int cpu, struct task_struct *idle) +static void ip27_boot_secondary(int cpu, struct task_struct *idle) { unsigned long gp = (unsigned long)task_thread_info(idle); unsigned long sp = __KSTK_TOS(idle); @@ -219,7 +215,7 @@ static void __init ip27_smp_setup(void) /* * Assumption to be fixed: we're always booted on logical / physical - * processor 0. While we're always running on logical processor 0 + * processor 0. While we're always running on logical processor 0 * this still means this is physical processor zero; it might for * example be disabled in the firmware. */ @@ -236,7 +232,6 @@ struct plat_smp_ops ip27_smp_ops = { .send_ipi_mask = ip27_send_ipi_mask, .init_secondary = ip27_init_secondary, .smp_finish = ip27_smp_finish, - .cpus_done = ip27_cpus_done, .boot_secondary = ip27_boot_secondary, .smp_setup = ip27_smp_setup, .prepare_cpus = ip27_prepare_cpus, diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 13cfeab5052..1d97eaba0c5 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -69,7 +69,7 @@ static void rt_set_mode(enum clock_event_mode mode, /* Nothing to do ... */ } -int rt_timer_irq; +unsigned int rt_timer_irq; static DEFINE_PER_CPU(struct clock_event_device, hub_rt_clockevent); static DEFINE_PER_CPU(char [11], hub_rt_name); @@ -106,7 +106,7 @@ struct irqaction hub_rt_irqaction = { #define NSEC_PER_CYCLE 800 #define CYCLES_PER_SEC (NSEC_PER_SEC / NSEC_PER_CYCLE) -void __cpuinit hub_rt_clock_event_init(void) +void hub_rt_clock_event_init(void) { unsigned int cpu = smp_processor_id(); struct clock_event_device *cd = &per_cpu(hub_rt_clockevent, cpu); @@ -117,8 +117,8 @@ void __cpuinit hub_rt_clock_event_init(void) cd->name = name; cd->features = CLOCK_EVT_FEAT_ONESHOT; clockevent_set_clock(cd, CYCLES_PER_SEC); - cd->max_delta_ns = clockevent_delta2ns(0xfffffffffffff, cd); - cd->min_delta_ns = clockevent_delta2ns(0x300, cd); + cd->max_delta_ns = clockevent_delta2ns(0xfffffffffffff, cd); + cd->min_delta_ns = clockevent_delta2ns(0x300, cd); cd->rating = 200; cd->irq = irq; cd->cpumask = cpumask_of(cpu); @@ -153,7 +153,7 @@ static cycle_t hub_rt_read(struct clocksource *cs) struct clocksource hub_rt_clocksource = { .name = "HUB-RT", - .rating = 200, + .rating = 200, .read = hub_rt_read, .mask = CLOCKSOURCE_MASK(52), .flags = CLOCK_SOURCE_IS_CONTINUOUS, @@ -173,7 +173,7 @@ void __init plat_time_init(void) hub_rt_clock_event_init(); } -void __cpuinit cpu_time_init(void) +void cpu_time_init(void) { lboard_t *board; klcpu_t *cpu; @@ -194,7 +194,7 @@ void __cpuinit cpu_time_init(void) set_c0_status(SRB_TIMOCLK); } -void __cpuinit hub_rtc_init(cnodeid_t cnode) +void hub_rtc_init(cnodeid_t cnode) { /* diff --git a/arch/mips/sgi-ip27/ip27-xtalk.c b/arch/mips/sgi-ip27/ip27-xtalk.c index 5e871e75a8d..20f582a2137 100644 --- a/arch/mips/sgi-ip27/ip27-xtalk.c +++ b/arch/mips/sgi-ip27/ip27-xtalk.c @@ -7,7 +7,6 @@ * Generic XTALK initialization code */ -#include <linux/init.h> #include <linux/kernel.h> #include <linux/smp.h> #include <asm/sn/types.h> @@ -17,15 +16,15 @@ #include <asm/xtalk/xtalk.h> -#define XBOW_WIDGET_PART_NUM 0x0 -#define XXBOW_WIDGET_PART_NUM 0xd000 /* Xbow in Xbridge */ -#define BASE_XBOW_PORT 8 /* Lowest external port */ +#define XBOW_WIDGET_PART_NUM 0x0 +#define XXBOW_WIDGET_PART_NUM 0xd000 /* Xbow in Xbridge */ +#define BASE_XBOW_PORT 8 /* Lowest external port */ extern int bridge_probe(nasid_t nasid, int widget, int masterwid); -static int __cpuinit probe_one_port(nasid_t nasid, int widget, int masterwid) +static int probe_one_port(nasid_t nasid, int widget, int masterwid) { - widgetreg_t widget_id; + widgetreg_t widget_id; xwidget_part_num_t partnum; widget_id = *(volatile widgetreg_t *) @@ -47,7 +46,7 @@ static int __cpuinit probe_one_port(nasid_t nasid, int widget, int masterwid) return 0; } -static int __cpuinit xbow_probe(nasid_t nasid) +static int xbow_probe(nasid_t nasid) { lboard_t *brd; klxbow_t *xbow_p; @@ -100,12 +99,12 @@ static int __cpuinit xbow_probe(nasid_t nasid) return 0; } -void __cpuinit xtalk_probe_node(cnodeid_t nid) +void xtalk_probe_node(cnodeid_t nid) { - volatile u64 hubreg; - nasid_t nasid; + volatile u64 hubreg; + nasid_t nasid; xwidget_part_num_t partnum; - widgetreg_t widget_id; + widgetreg_t widget_id; nasid = COMPACT_TO_NASID_NODEID(nid); hubreg = REMOTE_HUB_L(nasid, IIO_LLP_CSR); @@ -115,7 +114,7 @@ void __cpuinit xtalk_probe_node(cnodeid_t nid) return; widget_id = *(volatile widgetreg_t *) - (RAW_NODE_SWIN_BASE(nasid, 0x0) + WIDGET_ID); + (RAW_NODE_SWIN_BASE(nasid, 0x0) + WIDGET_ID); partnum = XWIDGET_PART_NUM(widget_id); printk(KERN_INFO "Cpu %d, Nasid 0x%x: partnum 0x%x is ", |