select HAVE_IRQ_WORK
select HAVE_PERF_EVENTS
select GENERIC_ATOMIC64 if !64BIT
+ select GENERIC_HARDIRQS_NO__DO_IRQ
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
in many of their workstations & servers (HP9000 700 and 800 series,
bool
default y
+config GENERIC_HARDIRQS_NO__DO_IRQ
+ def_bool y
+
# unless you want to implement ACPI on PA-RISC ... ;-)
config PM
bool
#ifndef __ASSEMBLY__
-#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
-
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
void no_ack_irq(unsigned int irq);
void no_end_irq(unsigned int irq);
void cpu_ack_irq(unsigned int irq);
-void cpu_end_irq(unsigned int irq);
+void cpu_eoi_irq(unsigned int irq);
extern int txn_alloc_irq(unsigned int nbits);
extern int txn_claim_irq(int);
#define __NR_perf_event_open (__NR_Linux + 318)
#define __NR_recvmmsg (__NR_Linux + 319)
#define __NR_accept4 (__NR_Linux + 320)
+#define __NR_prlimit64 (__NR_Linux + 321)
-#define __NR_Linux_syscalls (__NR_accept4 + 1)
+#define __NR_Linux_syscalls (__NR_prlimit64 + 1)
#define __IGNORE_select /* newselect */
*/
static DEFINE_PER_CPU(unsigned long, local_ack_eiem) = ~0UL;
-static void cpu_disable_irq(unsigned int irq)
+static void cpu_mask_irq(unsigned int irq)
{
unsigned long eirr_bit = EIEM_MASK(irq);
* then gets disabled */
}
-static void cpu_enable_irq(unsigned int irq)
+static void cpu_unmask_irq(unsigned int irq)
{
unsigned long eirr_bit = EIEM_MASK(irq);
smp_send_all_nop();
}
-static unsigned int cpu_startup_irq(unsigned int irq)
-{
- cpu_enable_irq(irq);
- return 0;
-}
-
void no_ack_irq(unsigned int irq) { }
void no_end_irq(unsigned int irq) { }
mtctl(mask, 23);
}
-void cpu_end_irq(unsigned int irq)
+void cpu_eoi_irq(unsigned int irq)
{
unsigned long mask = EIEM_MASK(irq);
int cpu = smp_processor_id();
static struct irq_chip cpu_interrupt_type = {
.name = "CPU",
- .startup = cpu_startup_irq,
- .shutdown = cpu_disable_irq,
- .enable = cpu_enable_irq,
- .disable = cpu_disable_irq,
+ .mask = cpu_mask_irq,
+ .unmask = cpu_unmask_irq,
.ack = cpu_ack_irq,
- .end = cpu_end_irq,
+ .eoi = cpu_eoi_irq,
#ifdef CONFIG_SMP
.set_affinity = cpu_set_affinity_irq,
#endif
if (irq_desc[irq].chip != &cpu_interrupt_type)
return -EBUSY;
+ /* for iosapic interrupts */
if (type) {
- irq_desc[irq].chip = type;
- irq_desc[irq].chip_data = data;
- cpu_interrupt_type.enable(irq);
+ set_irq_chip_and_handler(irq, type, handle_level_irq);
+ set_irq_chip_data(irq, data);
+ cpu_unmask_irq(irq);
}
return 0;
}
goto set_out;
}
#endif
- __do_IRQ(irq);
+ generic_handle_irq(irq);
out:
irq_exit();
{
int i;
for (i = CPU_IRQ_BASE; i <= CPU_IRQ_MAX; i++) {
- irq_desc[i].chip = &cpu_interrupt_type;
+ set_irq_chip_and_handler(i, &cpu_interrupt_type,
+ handle_level_irq);
}
- irq_desc[TIMER_IRQ].action = &timer_action;
- irq_desc[TIMER_IRQ].status = IRQ_PER_CPU;
+ set_irq_handler(TIMER_IRQ, handle_percpu_irq);
+ setup_irq(TIMER_IRQ, &timer_action);
#ifdef CONFIG_SMP
- irq_desc[IPI_IRQ].action = &ipi_action;
- irq_desc[IPI_IRQ].status = IRQ_PER_CPU;
+ set_irq_handler(IPI_IRQ, handle_percpu_irq);
+ setup_irq(IPI_IRQ, &ipi_action);
#endif
}
set_eiem(cpu_eiem); /* EIEM : enable all external intr */
}
+
* Copyright (C) 2001 Helge Deller <deller at parisc-linux.org>
* Copyright (C) 2001 Thomas Bogendoerfer <tsbogend at parisc-linux.org>
* Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
+ * Copyright (C) 2010 Guy Martin <gmsoft at tuxicoman.be>
*
*
* This program is free software; you can redistribute it and/or modify
/*
* The PDC console is a simple console, which can be used for debugging
- * boot related problems on HP PA-RISC machines.
+ * boot related problems on HP PA-RISC machines. It is also useful when no
+ * other console works.
*
* This code uses the ROM (=PDC) based functions to read and write characters
* from and to PDC's boot path.
- * Since all character read from that path must be polled, this code never
- * can or will be a fully functional linux console.
*/
/* Define EARLY_BOOTUP_DEBUG to debug kernel related boot problems.
#include <asm/pdc.h> /* for iodc_call() proto and friends */
static DEFINE_SPINLOCK(pdc_console_lock);
+static struct console pdc_cons;
static void pdc_console_write(struct console *co, const char *s, unsigned count)
{
#if defined(CONFIG_PDC_CONSOLE)
#include <linux/vt_kern.h>
+#include <linux/tty_flip.h>
+
+#define PDC_CONS_POLL_DELAY (30 * HZ / 1000)
+
+static struct timer_list pdc_console_timer;
+
+extern struct console * console_drivers;
+
+static int pdc_console_tty_open(struct tty_struct *tty, struct file *filp)
+{
+
+ mod_timer(&pdc_console_timer, jiffies + PDC_CONS_POLL_DELAY);
+
+ return 0;
+}
+
+static void pdc_console_tty_close(struct tty_struct *tty, struct file *filp)
+{
+ if (!tty->count)
+ del_timer(&pdc_console_timer);
+}
+
+static int pdc_console_tty_write(struct tty_struct *tty, const unsigned char *buf, int count)
+{
+ pdc_console_write(NULL, buf, count);
+ return count;
+}
+
+static int pdc_console_tty_write_room(struct tty_struct *tty)
+{
+ return 32768; /* no limit, no buffer used */
+}
+
+static int pdc_console_tty_chars_in_buffer(struct tty_struct *tty)
+{
+ return 0; /* no buffer */
+}
+
+static struct tty_driver *pdc_console_tty_driver;
+
+static const struct tty_operations pdc_console_tty_ops = {
+ .open = pdc_console_tty_open,
+ .close = pdc_console_tty_close,
+ .write = pdc_console_tty_write,
+ .write_room = pdc_console_tty_write_room,
+ .chars_in_buffer = pdc_console_tty_chars_in_buffer,
+};
+
+static void pdc_console_poll(unsigned long unused)
+{
+
+ int data, count = 0;
+
+ struct tty_struct *tty = pdc_console_tty_driver->ttys[0];
+
+ if (!tty)
+ return;
+
+ while (1) {
+ data = pdc_console_poll_key(NULL);
+ if (data == -1)
+ break;
+ tty_insert_flip_char(tty, data & 0xFF, TTY_NORMAL);
+ count ++;
+ }
+
+ if (count)
+ tty_flip_buffer_push(tty);
+
+ if (tty->count && (pdc_cons.flags & CON_ENABLED))
+ mod_timer(&pdc_console_timer, jiffies + PDC_CONS_POLL_DELAY);
+}
+
+static int __init pdc_console_tty_driver_init(void)
+{
+
+ int err;
+ struct tty_driver *drv;
+
+ /* Check if the console driver is still registered.
+ * It is unregistered if the pdc console was not selected as the
+ * primary console. */
+
+ struct console *tmp = console_drivers;
+
+ for (tmp = console_drivers; tmp; tmp = tmp->next)
+ if (tmp == &pdc_cons)
+ break;
+
+ if (!tmp) {
+ printk(KERN_INFO "PDC console driver not registered anymore, not creating %s\n", pdc_cons.name);
+ return -ENODEV;
+ }
+
+ printk(KERN_INFO "The PDC console driver is still registered, removing CON_BOOT flag\n");
+ pdc_cons.flags &= ~CON_BOOT;
+
+ drv = alloc_tty_driver(1);
+
+ if (!drv)
+ return -ENOMEM;
+
+ drv->driver_name = "pdc_cons";
+ drv->name = "ttyB";
+ drv->major = MUX_MAJOR;
+ drv->minor_start = 0;
+ drv->type = TTY_DRIVER_TYPE_SYSTEM;
+ drv->init_termios = tty_std_termios;
+ drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS;
+ tty_set_operations(drv, &pdc_console_tty_ops);
+
+ err = tty_register_driver(drv);
+ if (err) {
+ printk(KERN_ERR "Unable to register the PDC console TTY driver\n");
+ return err;
+ }
+
+ pdc_console_tty_driver = drv;
+
+ /* No need to initialize the pdc_console_timer if tty isn't allocated */
+ init_timer(&pdc_console_timer);
+ pdc_console_timer.function = pdc_console_poll;
+
+ return 0;
+}
+
+module_init(pdc_console_tty_driver_init);
static struct tty_driver * pdc_console_device (struct console *c, int *index)
{
- extern struct tty_driver console_driver;
- *index = c->index ? c->index-1 : fg_console;
- return &console_driver;
+ *index = c->index;
+ return pdc_console_tty_driver;
}
#else
#define pdc_console_device NULL
.write = pdc_console_write,
.device = pdc_console_device,
.setup = pdc_console_setup,
- .flags = CON_BOOT | CON_PRINTBUFFER | CON_ENABLED,
+ .flags = CON_BOOT | CON_PRINTBUFFER,
.index = -1,
};
ENTRY_SAME(perf_event_open)
ENTRY_COMP(recvmmsg)
ENTRY_SAME(accept4) /* 320 */
+ ENTRY_SAME(prlimit64)
/* Nothing yet */
flop=1;
ret = emulate_std(regs, R2(regs->iir),1);
break;
-
-#ifdef CONFIG_PA20
case OPCODE_LDD_L:
ret = emulate_ldd(regs, R2(regs->iir),0);
break;
case OPCODE_STD_L:
ret = emulate_std(regs, R2(regs->iir),0);
break;
-#endif
}
#endif
switch (regs->iir & OPCODE3_MASK)
if (addr >= table->start &&
addr <= table->end)
e = find_unwind_entry_in_table(table, addr);
- if (e)
+ if (e) {
+ /* Move-to-front to exploit common traces */
+ list_move(&table->list, &unwind_tables);
break;
+ }
}
return e;
#
# See arch/parisc/math-emu/README
-EXTRA_CFLAGS += -Wno-parentheses -Wno-implicit-function-declaration \
+ccflags-y := -Wno-parentheses -Wno-implicit-function-declaration \
-Wno-uninitialized -Wno-strict-prototypes -Wno-return-type \
-Wno-implicit-int
bridge->dev = fake_bridge_dev;
error = agp_add_bridge(bridge);
+ if (error)
+ goto fail;
+ return 0;
fail:
+ kfree(fake_bridge_dev);
return error;
}
.outl = dino_out32
};
-static void dino_disable_irq(unsigned int irq)
+static void dino_mask_irq(unsigned int irq)
{
- struct irq_desc *desc = irq_to_desc(irq);
- struct dino_device *dino_dev = desc->chip_data;
+ struct dino_device *dino_dev = get_irq_chip_data(irq);
int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq);
__raw_writel(dino_dev->imr, dino_dev->hba.base_addr+DINO_IMR);
}
-static void dino_enable_irq(unsigned int irq)
+static void dino_unmask_irq(unsigned int irq)
{
- struct irq_desc *desc = irq_to_desc(irq);
- struct dino_device *dino_dev = desc->chip_data;
+ struct dino_device *dino_dev = get_irq_chip_data(irq);
int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
u32 tmp;
}
}
-static unsigned int dino_startup_irq(unsigned int irq)
-{
- dino_enable_irq(irq);
- return 0;
-}
-
static struct irq_chip dino_interrupt_type = {
- .name = "GSC-PCI",
- .startup = dino_startup_irq,
- .shutdown = dino_disable_irq,
- .enable = dino_enable_irq,
- .disable = dino_disable_irq,
- .ack = no_ack_irq,
- .end = no_end_irq,
+ .name = "GSC-PCI",
+ .unmask = dino_unmask_irq,
+ .mask = dino_mask_irq,
+ .ack = no_ack_irq,
};
int irq = dino_dev->global_irq[local_irq];
DBG(KERN_DEBUG "%s(%d, %p) mask 0x%x\n",
__func__, irq, intr_dev, mask);
- __do_IRQ(irq);
+ generic_handle_irq(irq);
mask &= ~(1 << local_irq);
} while (mask);
/* called by free irq */
-static void eisa_disable_irq(unsigned int irq)
+static void eisa_mask_irq(unsigned int irq)
{
unsigned long flags;
}
/* called by request irq */
-static void eisa_enable_irq(unsigned int irq)
+static void eisa_unmask_irq(unsigned int irq)
{
unsigned long flags;
EISA_DBG("enable irq %d\n", irq);
EISA_DBG("pic1 mask %02x\n", eisa_in8(0xa1));
}
-static unsigned int eisa_startup_irq(unsigned int irq)
-{
- eisa_enable_irq(irq);
- return 0;
-}
-
static struct irq_chip eisa_interrupt_type = {
- .name = "EISA",
- .startup = eisa_startup_irq,
- .shutdown = eisa_disable_irq,
- .enable = eisa_enable_irq,
- .disable = eisa_disable_irq,
- .ack = no_ack_irq,
- .end = no_end_irq,
+ .name = "EISA",
+ .unmask = eisa_unmask_irq,
+ .mask = eisa_mask_irq,
+ .ack = no_ack_irq,
};
static irqreturn_t eisa_irq(int wax_irq, void *intr_dev)
}
spin_unlock_irqrestore(&eisa_irq_lock, flags);
- __do_IRQ(irq);
+ generic_handle_irq(irq);
spin_lock_irqsave(&eisa_irq_lock, flags);
/* unmask */
}
/* Reserve IRQ2 */
- irq_to_desc(2)->action = &irq2_action;
-
+ setup_irq(2, &irq2_action);
for (i = 0; i < 16; i++) {
- irq_to_desc(i)->chip = &eisa_interrupt_type;
+ set_irq_chip_and_handler(i, &eisa_interrupt_type,
+ handle_level_irq);
}
EISA_bus = 1;
do {
int local_irq = __ffs(irr);
unsigned int irq = gsc_asic->global_irq[local_irq];
- __do_IRQ(irq);
+ generic_handle_irq(irq);
irr &= ~(1 << local_irq);
} while (irr);
return NO_IRQ;
}
-static void gsc_asic_disable_irq(unsigned int irq)
+static void gsc_asic_mask_irq(unsigned int irq)
{
- struct irq_desc *desc = irq_to_desc(irq);
- struct gsc_asic *irq_dev = desc->chip_data;
+ struct gsc_asic *irq_dev = get_irq_chip_data(irq);
int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
u32 imr;
gsc_writel(imr, irq_dev->hpa + OFFSET_IMR);
}
-static void gsc_asic_enable_irq(unsigned int irq)
+static void gsc_asic_unmask_irq(unsigned int irq)
{
- struct irq_desc *desc = irq_to_desc(irq);
- struct gsc_asic *irq_dev = desc->chip_data;
+ struct gsc_asic *irq_dev = get_irq_chip_data(irq);
int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
u32 imr;
*/
}
-static unsigned int gsc_asic_startup_irq(unsigned int irq)
-{
- gsc_asic_enable_irq(irq);
- return 0;
-}
-
static struct irq_chip gsc_asic_interrupt_type = {
- .name = "GSC-ASIC",
- .startup = gsc_asic_startup_irq,
- .shutdown = gsc_asic_disable_irq,
- .enable = gsc_asic_enable_irq,
- .disable = gsc_asic_disable_irq,
- .ack = no_ack_irq,
- .end = no_end_irq,
+ .name = "GSC-ASIC",
+ .unmask = gsc_asic_unmask_irq,
+ .mask = gsc_asic_mask_irq,
+ .ack = no_ack_irq,
};
int gsc_assign_irq(struct irq_chip *type, void *data)
{
static int irq = GSC_IRQ_BASE;
- struct irq_desc *desc;
if (irq > GSC_IRQ_MAX)
return NO_IRQ;
- desc = irq_to_desc(irq);
- desc->chip = type;
- desc->chip_data = data;
+ set_irq_chip_and_handler(irq, type, handle_level_irq);
+ set_irq_chip_data(irq, data);
+
return irq++;
}
}
-static struct vector_info *iosapic_get_vector(unsigned int irq)
-{
- struct irq_desc *desc = irq_to_desc(irq);
-
- return desc->chip_data;
-}
-
-static void iosapic_disable_irq(unsigned int irq)
+static void iosapic_mask_irq(unsigned int irq)
{
unsigned long flags;
- struct vector_info *vi = iosapic_get_vector(irq);
+ struct vector_info *vi = get_irq_chip_data(irq);
u32 d0, d1;
spin_lock_irqsave(&iosapic_lock, flags);
spin_unlock_irqrestore(&iosapic_lock, flags);
}
-static void iosapic_enable_irq(unsigned int irq)
+static void iosapic_unmask_irq(unsigned int irq)
{
- struct vector_info *vi = iosapic_get_vector(irq);
+ struct vector_info *vi = get_irq_chip_data(irq);
u32 d0, d1;
/* data is initialized by fixup_irq */
DBG(KERN_DEBUG "enable_irq(%d): eoi(%p, 0x%x)\n", irq,
vi->eoi_addr, vi->eoi_data);
iosapic_eoi(vi->eoi_addr, vi->eoi_data);
-}
-
-/*
- * PARISC only supports PCI devices below I/O SAPIC.
- * PCI only supports level triggered in order to share IRQ lines.
- * ergo I/O SAPIC must always issue EOI on parisc.
- *
- * i386/ia64 support ISA devices and have to deal with
- * edge-triggered interrupts too.
- */
-static void iosapic_end_irq(unsigned int irq)
-{
- struct vector_info *vi = iosapic_get_vector(irq);
- DBG(KERN_DEBUG "end_irq(%d): eoi(%p, 0x%x)\n", irq,
- vi->eoi_addr, vi->eoi_data);
- iosapic_eoi(vi->eoi_addr, vi->eoi_data);
- cpu_end_irq(irq);
-}
-
-static unsigned int iosapic_startup_irq(unsigned int irq)
-{
- iosapic_enable_irq(irq);
- return 0;
+ cpu_eoi_irq(irq);
}
#ifdef CONFIG_SMP
static int iosapic_set_affinity_irq(unsigned int irq,
const struct cpumask *dest)
{
- struct vector_info *vi = iosapic_get_vector(irq);
+ struct vector_info *vi = get_irq_chip_data(irq);
u32 d0, d1, dummy_d0;
unsigned long flags;
int dest_cpu;
#endif
static struct irq_chip iosapic_interrupt_type = {
- .name = "IO-SAPIC-level",
- .startup = iosapic_startup_irq,
- .shutdown = iosapic_disable_irq,
- .enable = iosapic_enable_irq,
- .disable = iosapic_disable_irq,
- .ack = cpu_ack_irq,
- .end = iosapic_end_irq,
+ .name = "IO-SAPIC-level",
+ .unmask = iosapic_unmask_irq,
+ .mask = iosapic_mask_irq,
+ .ack = cpu_ack_irq,
#ifdef CONFIG_SMP
.set_affinity = iosapic_set_affinity_irq,
#endif
isi->isi_version = iosapic_rd_version(isi);
isi->isi_num_vectors = IOSAPIC_IRDT_MAX_ENTRY(isi->isi_version) + 1;
- vip = isi->isi_vector = (struct vector_info *)
- kzalloc(sizeof(struct vector_info) * isi->isi_num_vectors, GFP_KERNEL);
+ vip = isi->isi_vector = kcalloc(isi->isi_num_vectors,
+ sizeof(struct vector_info), GFP_KERNEL);
if (vip == NULL) {
kfree(isi);
return NULL;
#ifndef CONFIG_NET
return 0;
#else
- static unsigned long rx_total_last, tx_total_last;
- unsigned long rx_total, tx_total;
+ static u64 rx_total_last, tx_total_last;
+ u64 rx_total, tx_total;
struct net_device *dev;
int retval;
/* we are running as a workqueue task, so we can use an RCU lookup */
rcu_read_lock();
for_each_netdev_rcu(&init_net, dev) {
- const struct net_device_stats *stats;
+ const struct rtnl_link_stats64 *stats;
struct rtnl_link_stats64 temp;
struct in_device *in_dev = __in_dev_get_rcu(dev);
if (!in_dev || !in_dev->ifa_list)
}
/* Call the appropriate device's interrupt */
- __do_IRQ(local_irq);
+ generic_handle_irq(local_irq);
/* set EOI - forces a new interrupt if a lower priority device
* still needs service.
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO, superio_init);
-static void superio_disable_irq(unsigned int irq)
+static void superio_mask_irq(unsigned int irq)
{
u8 r8;
outb (r8,IC_PIC1+1);
}
-static void superio_enable_irq(unsigned int irq)
+static void superio_unmask_irq(unsigned int irq)
{
u8 r8;
outb (r8,IC_PIC1+1);
}
-static unsigned int superio_startup_irq(unsigned int irq)
-{
- superio_enable_irq(irq);
- return 0;
-}
-
static struct irq_chip superio_interrupt_type = {
- .name = SUPERIO,
- .startup = superio_startup_irq,
- .shutdown = superio_disable_irq,
- .enable = superio_enable_irq,
- .disable = superio_disable_irq,
+ .name = SUPERIO,
+ .unmask = superio_unmask_irq,
+ .mask = superio_mask_irq,
.ack = no_ack_irq,
- .end = no_end_irq,
};
#ifdef DEBUG_SUPERIO_INIT
#endif
for (i = 0; i < 16; i++) {
- struct irq_desc *desc = irq_to_desc(i);
-
- desc->chip = &superio_interrupt_type;
+ set_irq_chip_and_handler(i, &superio_interrupt_type, handle_level_irq);
}
/*
git.openpandora.org / pandora-kernel.git / commitdiff