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Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

Browse source 
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Increase cp0 compare clockevent min_delta_ns from 0x30 to 0x300.
  [MIPS] Cache: Provide more information on cache policy on bootup.
  [MIPS] Fix aliasing bug in copy_user_highpage, take 2.
  [MIPS] VPE loader: convert from struct class_ device to struct device
  [MIPS] MIPSsim: Fix booting from NFS root
  [MIPS] Alchemy: Get rid of au1xxx_irq_map_t.
  [MIPS] Alchemy: Get rid of au_ffz().
  [MIPS] Alchemy: Get rid of au_ffs().
  [MIPS] Alchemy: cleanup interrupt code.
  [MIPS] Lasat: Fix build by conversion to irq_cpu.c.
  [MIPS] Lasat: Add #ifndef ... #endif include warpper to lasatint.h.
  [MIPS] IP22: Enable -Werror.
  [MIPS] IP22: Fix warning.
  [MIPS] IP22: Complain if requesting the front panel irq failed.
  [MIPS] vmlinux.lds.S: Handle KPROBES_TEXT.
  [MIPS] vmlinux.lds.S: Fix handling of .notes in final link.
  [MIPS] vmlinux.lds.S: Remove duplicate comment.
  [MIPS] MSP71XX: Add workarounds file.
  [MIPS] IP32: Fix build by conversion to irq_cpu.c.
This commit is contained in:
Linus Torvalds 2007-10-16 10:44:35 -07:00
commit ebc283118e
30 changed files with 779 additions and 750 deletions
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2
arch/mips/Kconfig
View file

@ -133,6 +133,7 @@ config LASAT
select DMA_NONCOHERENT
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
select IRQ_CPU
select PCI_GT64XXX_PCI0
select MIPS_NILE4
select R5000_CPU_SCACHE
@ -410,6 +411,7 @@ config SGI_IP32
select BOOT_ELF32
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
select R5000_CPU_SCACHE
select RM7000_CPU_SCACHE
select SYS_HAS_CPU_R5000

2
arch/mips/au1000/common/au1xxx_irqmap.c
View file

@ -54,7 +54,7 @@
* Careful if you change match 2 request!
* The interrupt handler is called directly from the low level dispatch code.
*/
au1xxx_irq_map_t __initdata au1xxx_ic0_map[] = {
struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
#if defined(CONFIG_SOC_AU1000)
{ AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0},

2
arch/mips/au1000/common/dbdma.c
View file

@ -859,7 +859,7 @@ dbdma_interrupt(int irq, void *dev_id)
intstat = dbdma_gptr->ddma_intstat;
au_sync();
chan_index = au_ffs(intstat) - 1;
chan_index = ffs(intstat);
ctp = chan_tab_ptr[chan_index];
cp = ctp->chan_ptr;

608
arch/mips/au1000/common/irq.c
View file

@ -26,39 +26,18 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/kernel_stat.h>
#include <linux/module.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/slab.h>
#include <linux/random.h>
#include <linux/delay.h>
#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <asm/bootinfo.h>
#include <asm/io.h>
#include <asm/mipsregs.h>
#include <asm/system.h>
#include <asm/mach-au1x00/au1000.h>
#ifdef CONFIG_MIPS_PB1000
#include <asm/mach-pb1x00/pb1000.h>
#endif
#undef DEBUG_IRQ
#ifdef DEBUG_IRQ
/* note: prints function name for you */
#define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ## args)
#else
#define DPRINTK(fmt, args...)
#endif
#define EXT_INTC0_REQ0 2 /* IP 2 */
#define EXT_INTC0_REQ1 3 /* IP 3 */
#define EXT_INTC1_REQ0 4 /* IP 4 */
@ -69,16 +48,98 @@ void (*board_init_irq)(void);
static DEFINE_SPINLOCK(irq_lock);
#ifdef CONFIG_PM
/*
* Save/restore the interrupt controller state.
* Called from the save/restore core registers as part of the
* au_sleep function in power.c.....maybe I should just pm_register()
* them instead?
*/
static unsigned int sleep_intctl_config0[2];
static unsigned int sleep_intctl_config1[2];
static unsigned int sleep_intctl_config2[2];
static unsigned int sleep_intctl_src[2];
static unsigned int sleep_intctl_assign[2];
static unsigned int sleep_intctl_wake[2];
static unsigned int sleep_intctl_mask[2];
void save_au1xxx_intctl(void)
{
sleep_intctl_config0[0] = au_readl(IC0_CFG0RD);
sleep_intctl_config1[0] = au_readl(IC0_CFG1RD);
sleep_intctl_config2[0] = au_readl(IC0_CFG2RD);
sleep_intctl_src[0] = au_readl(IC0_SRCRD);
sleep_intctl_assign[0] = au_readl(IC0_ASSIGNRD);
sleep_intctl_wake[0] = au_readl(IC0_WAKERD);
sleep_intctl_mask[0] = au_readl(IC0_MASKRD);
sleep_intctl_config0[1] = au_readl(IC1_CFG0RD);
sleep_intctl_config1[1] = au_readl(IC1_CFG1RD);
sleep_intctl_config2[1] = au_readl(IC1_CFG2RD);
sleep_intctl_src[1] = au_readl(IC1_SRCRD);
sleep_intctl_assign[1] = au_readl(IC1_ASSIGNRD);
sleep_intctl_wake[1] = au_readl(IC1_WAKERD);
sleep_intctl_mask[1] = au_readl(IC1_MASKRD);
}
/*
* For most restore operations, we clear the entire register and
* then set the bits we found during the save.
*/
void restore_au1xxx_intctl(void)
{
au_writel(0xffffffff, IC0_MASKCLR); au_sync();
au_writel(0xffffffff, IC0_CFG0CLR); au_sync();
au_writel(sleep_intctl_config0[0], IC0_CFG0SET); au_sync();
au_writel(0xffffffff, IC0_CFG1CLR); au_sync();
au_writel(sleep_intctl_config1[0], IC0_CFG1SET); au_sync();
au_writel(0xffffffff, IC0_CFG2CLR); au_sync();
au_writel(sleep_intctl_config2[0], IC0_CFG2SET); au_sync();
au_writel(0xffffffff, IC0_SRCCLR); au_sync();
au_writel(sleep_intctl_src[0], IC0_SRCSET); au_sync();
au_writel(0xffffffff, IC0_ASSIGNCLR); au_sync();
au_writel(sleep_intctl_assign[0], IC0_ASSIGNSET); au_sync();
au_writel(0xffffffff, IC0_WAKECLR); au_sync();
au_writel(sleep_intctl_wake[0], IC0_WAKESET); au_sync();
au_writel(0xffffffff, IC0_RISINGCLR); au_sync();
au_writel(0xffffffff, IC0_FALLINGCLR); au_sync();
au_writel(0x00000000, IC0_TESTBIT); au_sync();
au_writel(0xffffffff, IC1_MASKCLR); au_sync();
au_writel(0xffffffff, IC1_CFG0CLR); au_sync();
au_writel(sleep_intctl_config0[1], IC1_CFG0SET); au_sync();
au_writel(0xffffffff, IC1_CFG1CLR); au_sync();
au_writel(sleep_intctl_config1[1], IC1_CFG1SET); au_sync();
au_writel(0xffffffff, IC1_CFG2CLR); au_sync();
au_writel(sleep_intctl_config2[1], IC1_CFG2SET); au_sync();
au_writel(0xffffffff, IC1_SRCCLR); au_sync();
au_writel(sleep_intctl_src[1], IC1_SRCSET); au_sync();
au_writel(0xffffffff, IC1_ASSIGNCLR); au_sync();
au_writel(sleep_intctl_assign[1], IC1_ASSIGNSET); au_sync();
au_writel(0xffffffff, IC1_WAKECLR); au_sync();
au_writel(sleep_intctl_wake[1], IC1_WAKESET); au_sync();
au_writel(0xffffffff, IC1_RISINGCLR); au_sync();
au_writel(0xffffffff, IC1_FALLINGCLR); au_sync();
au_writel(0x00000000, IC1_TESTBIT); au_sync();
au_writel(sleep_intctl_mask[1], IC1_MASKSET); au_sync();
au_writel(sleep_intctl_mask[0], IC0_MASKSET); au_sync();
}
#endif /* CONFIG_PM */
inline void local_enable_irq(unsigned int irq_nr)
{
if (irq_nr > AU1000_LAST_INTC0_INT) {
au_writel(1<<(irq_nr-32), IC1_MASKSET);
au_writel(1<<(irq_nr-32), IC1_WAKESET);
}
else {
au_writel(1<<irq_nr, IC0_MASKSET);
au_writel(1<<irq_nr, IC0_WAKESET);
au_writel(1 << (irq_nr - 32), IC1_MASKSET);
au_writel(1 << (irq_nr - 32), IC1_WAKESET);
} else {
au_writel(1 << irq_nr, IC0_MASKSET);
au_writel(1 << irq_nr, IC0_WAKESET);
}
au_sync();
}
@ -87,12 +148,11 @@ inline void local_enable_irq(unsigned int irq_nr)
inline void local_disable_irq(unsigned int irq_nr)
{
if (irq_nr > AU1000_LAST_INTC0_INT) {
au_writel(1<<(irq_nr-32), IC1_MASKCLR);
au_writel(1<<(irq_nr-32), IC1_WAKECLR);
}
else {
au_writel(1<<irq_nr, IC0_MASKCLR);
au_writel(1<<irq_nr, IC0_WAKECLR);
au_writel(1 << (irq_nr - 32), IC1_MASKCLR);
au_writel(1 << (irq_nr - 32), IC1_WAKECLR);
} else {
au_writel(1 << irq_nr, IC0_MASKCLR);
au_writel(1 << irq_nr, IC0_WAKECLR);
}
au_sync();
}
@ -101,12 +161,11 @@ inline void local_disable_irq(unsigned int irq_nr)
static inline void mask_and_ack_rise_edge_irq(unsigned int irq_nr)
{
if (irq_nr > AU1000_LAST_INTC0_INT) {
au_writel(1<<(irq_nr-32), IC1_RISINGCLR);
au_writel(1<<(irq_nr-32), IC1_MASKCLR);
}
else {
au_writel(1<<irq_nr, IC0_RISINGCLR);
au_writel(1<<irq_nr, IC0_MASKCLR);
au_writel(1 << (irq_nr - 32), IC1_RISINGCLR);
au_writel(1 << (irq_nr - 32), IC1_MASKCLR);
} else {
au_writel(1 << irq_nr, IC0_RISINGCLR);
au_writel(1 << irq_nr, IC0_MASKCLR);
}
au_sync();
}
@ -115,12 +174,11 @@ static inline void mask_and_ack_rise_edge_irq(unsigned int irq_nr)
static inline void mask_and_ack_fall_edge_irq(unsigned int irq_nr)
{
if (irq_nr > AU1000_LAST_INTC0_INT) {
au_writel(1<<(irq_nr-32), IC1_FALLINGCLR);
au_writel(1<<(irq_nr-32), IC1_MASKCLR);
}
else {
au_writel(1<<irq_nr, IC0_FALLINGCLR);
au_writel(1<<irq_nr, IC0_MASKCLR);
au_writel(1 << (irq_nr - 32), IC1_FALLINGCLR);
au_writel(1 << (irq_nr - 32), IC1_MASKCLR);
} else {
au_writel(1 << irq_nr, IC0_FALLINGCLR);
au_writel(1 << irq_nr, IC0_MASKCLR);
}
au_sync();
}
@ -132,14 +190,13 @@ static inline void mask_and_ack_either_edge_irq(unsigned int irq_nr)
* both edges at once, or if we do, that we don't care.
*/
if (irq_nr > AU1000_LAST_INTC0_INT) {
au_writel(1<<(irq_nr-32), IC1_FALLINGCLR);
au_writel(1<<(irq_nr-32), IC1_RISINGCLR);
au_writel(1<<(irq_nr-32), IC1_MASKCLR);
}
else {
au_writel(1<<irq_nr, IC0_FALLINGCLR);
au_writel(1<<irq_nr, IC0_RISINGCLR);
au_writel(1<<irq_nr, IC0_MASKCLR);
au_writel(1 << (irq_nr - 32), IC1_FALLINGCLR);
au_writel(1 << (irq_nr - 32), IC1_RISINGCLR);
au_writel(1 << (irq_nr - 32), IC1_MASKCLR);
} else {
au_writel(1 << irq_nr, IC0_FALLINGCLR);
au_writel(1 << irq_nr, IC0_RISINGCLR);
au_writel(1 << irq_nr, IC0_MASKCLR);
}
au_sync();
}
@ -162,9 +219,9 @@ static inline void mask_and_ack_level_irq(unsigned int irq_nr)
static void end_irq(unsigned int irq_nr)
{
if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
if (!(irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
local_enable_irq(irq_nr);
}
#if defined(CONFIG_MIPS_PB1000)
if (irq_nr == AU1000_GPIO_15) {
au_writel(0x4000, PB1000_MDR); /* enable int */
@ -181,16 +238,13 @@ unsigned long save_local_and_disable(int controller)
spin_lock_irqsave(&irq_lock, flags);
if (controller) {
mask = au_readl(IC1_MASKSET);
for (i=32; i<64; i++) {
for (i = 32; i < 64; i++)
local_disable_irq(i);
}
}
else {
} else {
mask = au_readl(IC0_MASKSET);
for (i=0; i<32; i++) {
for (i = 0; i < 32; i++)
local_disable_irq(i);
}
}
spin_unlock_irqrestore(&irq_lock, flags);
return mask;
@ -202,10 +256,10 @@ void restore_local_and_enable(int controller, unsigned long mask)
unsigned long flags, new_mask;
spin_lock_irqsave(&irq_lock, flags);
for (i=0; i<32; i++) {
if (mask & (1<<i)) {
for (i = 0; i < 32; i++) {
if (mask & (1 << i)) {
if (controller)
local_enable_irq(i+32);
local_enable_irq(i + 32);
else
local_enable_irq(i);
}
@ -263,7 +317,8 @@ void startup_match20_interrupt(irq_handler_t handler)
static struct irqaction action;
memset(&action, 0, sizeof(struct irqaction));
/* This is a big problem.... since we didn't use request_irq
/*
* This is a big problem.... since we didn't use request_irq
* when kernel/irq.c calls probe_irq_xxx this interrupt will
* be probed for usage. This will end up disabling the device :(
* Give it a bogus "action" pointer -- this will keep it from
@ -293,118 +348,223 @@ static void setup_local_irq(unsigned int irq_nr, int type, int int_req)
if (irq_nr > AU1000_LAST_INTC0_INT) {
switch (type) {
case INTC_INT_RISE_EDGE: /* 0:0:1 */
au_writel(1<<(irq_nr-32), IC1_CFG2CLR);
au_writel(1<<(irq_nr-32), IC1_CFG1CLR);
au_writel(1<<(irq_nr-32), IC1_CFG0SET);
au_writel(1 << (irq_nr - 32), IC1_CFG2CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG1CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG0SET);
set_irq_chip(irq_nr, &rise_edge_irq_type);
break;
case INTC_INT_FALL_EDGE: /* 0:1:0 */
au_writel(1<<(irq_nr-32), IC1_CFG2CLR);
au_writel(1<<(irq_nr-32), IC1_CFG1SET);
au_writel(1<<(irq_nr-32), IC1_CFG0CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG2CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG1SET);
au_writel(1 << (irq_nr - 32), IC1_CFG0CLR);
set_irq_chip(irq_nr, &fall_edge_irq_type);
break;
case INTC_INT_RISE_AND_FALL_EDGE: /* 0:1:1 */
au_writel(1<<(irq_nr-32), IC1_CFG2CLR);
au_writel(1<<(irq_nr-32), IC1_CFG1SET);
au_writel(1<<(irq_nr-32), IC1_CFG0SET);
au_writel(1 << (irq_nr - 32), IC1_CFG2CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG1SET);
au_writel(1 << (irq_nr - 32), IC1_CFG0SET);
set_irq_chip(irq_nr, &either_edge_irq_type);
break;
case INTC_INT_HIGH_LEVEL: /* 1:0:1 */
au_writel(1<<(irq_nr-32), IC1_CFG2SET);
au_writel(1<<(irq_nr-32), IC1_CFG1CLR);
au_writel(1<<(irq_nr-32), IC1_CFG0SET);
au_writel(1 << (irq_nr - 32), IC1_CFG2SET);
au_writel(1 << (irq_nr - 32), IC1_CFG1CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG0SET);
set_irq_chip(irq_nr, &level_irq_type);
break;
case INTC_INT_LOW_LEVEL: /* 1:1:0 */
au_writel(1<<(irq_nr-32), IC1_CFG2SET);
au_writel(1<<(irq_nr-32), IC1_CFG1SET);
au_writel(1<<(irq_nr-32), IC1_CFG0CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG2SET);
au_writel(1 << (irq_nr - 32), IC1_CFG1SET);
au_writel(1 << (irq_nr - 32), IC1_CFG0CLR);
set_irq_chip(irq_nr, &level_irq_type);
break;
case INTC_INT_DISABLED: /* 0:0:0 */
au_writel(1<<(irq_nr-32), IC1_CFG0CLR);
au_writel(1<<(irq_nr-32), IC1_CFG1CLR);
au_writel(1<<(irq_nr-32), IC1_CFG2CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG0CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG1CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG2CLR);
break;
default: /* disable the interrupt */
printk("unexpected int type %d (irq %d)\n", type, irq_nr);
au_writel(1<<(irq_nr-32), IC1_CFG0CLR);
au_writel(1<<(irq_nr-32), IC1_CFG1CLR);
au_writel(1<<(irq_nr-32), IC1_CFG2CLR);
printk(KERN_WARNING "unexpected int type %d (irq %d)\n",
type, irq_nr);
au_writel(1 << (irq_nr - 32), IC1_CFG0CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG1CLR);
au_writel(1 << (irq_nr - 32), IC1_CFG2CLR);
return;
}
if (int_req) /* assign to interrupt request 1 */
au_writel(1<<(irq_nr-32), IC1_ASSIGNCLR);
au_writel(1 << (irq_nr - 32), IC1_ASSIGNCLR);
else /* assign to interrupt request 0 */
au_writel(1<<(irq_nr-32), IC1_ASSIGNSET);
au_writel(1<<(irq_nr-32), IC1_SRCSET);
au_writel(1<<(irq_nr-32), IC1_MASKCLR);
au_writel(1<<(irq_nr-32), IC1_WAKECLR);
}
else {
au_writel(1 << (irq_nr - 32), IC1_ASSIGNSET);
au_writel(1 << (irq_nr - 32), IC1_SRCSET);
au_writel(1 << (irq_nr - 32), IC1_MASKCLR);
au_writel(1 << (irq_nr - 32), IC1_WAKECLR);
} else {
switch (type) {
case INTC_INT_RISE_EDGE: /* 0:0:1 */
au_writel(1<<irq_nr, IC0_CFG2CLR);
au_writel(1<<irq_nr, IC0_CFG1CLR);
au_writel(1<<irq_nr, IC0_CFG0SET);
au_writel(1 << irq_nr, IC0_CFG2CLR);
au_writel(1 << irq_nr, IC0_CFG1CLR);
au_writel(1 << irq_nr, IC0_CFG0SET);
set_irq_chip(irq_nr, &rise_edge_irq_type);
break;
case INTC_INT_FALL_EDGE: /* 0:1:0 */
au_writel(1<<irq_nr, IC0_CFG2CLR);
au_writel(1<<irq_nr, IC0_CFG1SET);
au_writel(1<<irq_nr, IC0_CFG0CLR);
au_writel(1 << irq_nr, IC0_CFG2CLR);
au_writel(1 << irq_nr, IC0_CFG1SET);
au_writel(1 << irq_nr, IC0_CFG0CLR);
set_irq_chip(irq_nr, &fall_edge_irq_type);
break;
case INTC_INT_RISE_AND_FALL_EDGE: /* 0:1:1 */
au_writel(1<<irq_nr, IC0_CFG2CLR);
au_writel(1<<irq_nr, IC0_CFG1SET);
au_writel(1<<irq_nr, IC0_CFG0SET);
au_writel(1 << irq_nr, IC0_CFG2CLR);
au_writel(1 << irq_nr, IC0_CFG1SET);
au_writel(1 << irq_nr, IC0_CFG0SET);
set_irq_chip(irq_nr, &either_edge_irq_type);
break;
case INTC_INT_HIGH_LEVEL: /* 1:0:1 */
au_writel(1<<irq_nr, IC0_CFG2SET);
au_writel(1<<irq_nr, IC0_CFG1CLR);
au_writel(1<<irq_nr, IC0_CFG0SET);
au_writel(1 << irq_nr, IC0_CFG2SET);
au_writel(1 << irq_nr, IC0_CFG1CLR);
au_writel(1 << irq_nr, IC0_CFG0SET);
set_irq_chip(irq_nr, &level_irq_type);
break;
case INTC_INT_LOW_LEVEL: /* 1:1:0 */
au_writel(1<<irq_nr, IC0_CFG2SET);
au_writel(1<<irq_nr, IC0_CFG1SET);
au_writel(1<<irq_nr, IC0_CFG0CLR);
au_writel(1 << irq_nr, IC0_CFG2SET);
au_writel(1 << irq_nr, IC0_CFG1SET);
au_writel(1 << irq_nr, IC0_CFG0CLR);
set_irq_chip(irq_nr, &level_irq_type);
break;
case INTC_INT_DISABLED: /* 0:0:0 */
au_writel(1<<irq_nr, IC0_CFG0CLR);
au_writel(1<<irq_nr, IC0_CFG1CLR);
au_writel(1<<irq_nr, IC0_CFG2CLR);
au_writel(1 << irq_nr, IC0_CFG0CLR);
au_writel(1 << irq_nr, IC0_CFG1CLR);
au_writel(1 << irq_nr, IC0_CFG2CLR);
break;
default: /* disable the interrupt */
printk("unexpected int type %d (irq %d)\n", type, irq_nr);
au_writel(1<<irq_nr, IC0_CFG0CLR);
au_writel(1<<irq_nr, IC0_CFG1CLR);
au_writel(1<<irq_nr, IC0_CFG2CLR);
printk(KERN_WARNING "unexpected int type %d (irq %d)\n",
type, irq_nr);
au_writel(1 << irq_nr, IC0_CFG0CLR);
au_writel(1 << irq_nr, IC0_CFG1CLR);
au_writel(1 << irq_nr, IC0_CFG2CLR);
return;
}
if (int_req) /* assign to interrupt request 1 */
au_writel(1<<irq_nr, IC0_ASSIGNCLR);
au_writel(1 << irq_nr, IC0_ASSIGNCLR);
else /* assign to interrupt request 0 */
au_writel(1<<irq_nr, IC0_ASSIGNSET);
au_writel(1<<irq_nr, IC0_SRCSET);
au_writel(1<<irq_nr, IC0_MASKCLR);
au_writel(1<<irq_nr, IC0_WAKECLR);
au_writel(1 << irq_nr, IC0_ASSIGNSET);
au_writel(1 << irq_nr, IC0_SRCSET);
au_writel(1 << irq_nr, IC0_MASKCLR);
au_writel(1 << irq_nr, IC0_WAKECLR);
}
au_sync();
}
/*
* Interrupts are nested. Even if an interrupt handler is registered
* as "fast", we might get another interrupt before we return from
* intcX_reqX_irqdispatch().
*/
static void intc0_req0_irqdispatch(void)
{
int irq = 0;
static unsigned long intc0_req0;
intc0_req0 |= au_readl(IC0_REQ0INT);
if (!intc0_req0)
return;
#ifdef AU1000_USB_DEV_REQ_INT
/*
* Because of the tight timing of SETUP token to reply
* transactions, the USB devices-side packet complete
* interrupt needs the highest priority.
*/
if ((intc0_req0 & (1 << AU1000_USB_DEV_REQ_INT))) {
intc0_req0 &= ~(1 << AU1000_USB_DEV_REQ_INT);
do_IRQ(AU1000_USB_DEV_REQ_INT);
return;
}
#endif
irq = ffs(intc0_req0);
intc0_req0 &= ~(1 << irq);
do_IRQ(irq);
}
static void intc0_req1_irqdispatch(void)
{
int irq = 0;
static unsigned long intc0_req1;
intc0_req1 |= au_readl(IC0_REQ1INT);
if (!intc0_req1)
return;
irq = ffs(intc0_req1);
intc0_req1 &= ~(1 << irq);
do_IRQ(irq);
}
/*
* Interrupt Controller 1:
* interrupts 32 - 63
*/
static void intc1_req0_irqdispatch(void)
{
int irq = 0;
static unsigned long intc1_req0;
intc1_req0 |= au_readl(IC1_REQ0INT);
if (!intc1_req0)
return;
irq = ffs(intc1_req0);
intc1_req0 &= ~(1 << irq);
irq += 32;
do_IRQ(irq);
}
static void intc1_req1_irqdispatch(void)
{
int irq = 0;
static unsigned long intc1_req1;
intc1_req1 |= au_readl(IC1_REQ1INT);
if (!intc1_req1)
return;
irq = ffs(intc1_req1);
intc1_req1 &= ~(1 << irq);
irq += 32;
do_IRQ(irq);
}
asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
if (pending & CAUSEF_IP7)
do_IRQ(63);
else if (pending & CAUSEF_IP2)
intc0_req0_irqdispatch();
else if (pending & CAUSEF_IP3)
intc0_req1_irqdispatch();
else if (pending & CAUSEF_IP4)
intc1_req0_irqdispatch();
else if (pending & CAUSEF_IP5)
intc1_req1_irqdispatch();
else
spurious_interrupt();
}
void __init arch_init_irq(void)
{
int i;
unsigned long cp0_status;
au1xxx_irq_map_t *imp;
extern au1xxx_irq_map_t au1xxx_irq_map[];
extern au1xxx_irq_map_t au1xxx_ic0_map[];
struct au1xxx_irqmap *imp;
extern struct au1xxx_irqmap au1xxx_irq_map[];
extern struct au1xxx_irqmap au1xxx_ic0_map[];
extern int au1xxx_nr_irqs;
extern int au1xxx_ic0_nr_irqs;
@ -437,7 +597,7 @@ void __init arch_init_irq(void)
/* Initialize IC0, which is fixed per processor.
*/
imp = au1xxx_ic0_map;
for (i=0; i<au1xxx_ic0_nr_irqs; i++) {
for (i = 0; i < au1xxx_ic0_nr_irqs; i++) {
setup_local_irq(imp->im_irq, imp->im_type, imp->im_request);
imp++;
}
@ -445,7 +605,7 @@ void __init arch_init_irq(void)
/* Now set up the irq mapping for the board.
*/
imp = au1xxx_irq_map;
for (i=0; i<au1xxx_nr_irqs; i++) {
for (i = 0; i < au1xxx_nr_irqs; i++) {
setup_local_irq(imp->im_irq, imp->im_type, imp->im_request);
imp++;
}
@ -457,191 +617,3 @@ void __init arch_init_irq(void)
if (board_init_irq)
(*board_init_irq)();
}
/*
* Interrupts are nested. Even if an interrupt handler is registered
* as "fast", we might get another interrupt before we return from
* intcX_reqX_irqdispatch().
*/
static void intc0_req0_irqdispatch(void)
{
int irq = 0;
static unsigned long intc0_req0 = 0;
intc0_req0 |= au_readl(IC0_REQ0INT);
if (!intc0_req0)
return;
#ifdef AU1000_USB_DEV_REQ_INT
/*
* Because of the tight timing of SETUP token to reply
* transactions, the USB devices-side packet complete
* interrupt needs the highest priority.
*/
if ((intc0_req0 & (1<<AU1000_USB_DEV_REQ_INT))) {
intc0_req0 &= ~(1<<AU1000_USB_DEV_REQ_INT);
do_IRQ(AU1000_USB_DEV_REQ_INT);
return;
}
#endif
irq = au_ffs(intc0_req0) - 1;
intc0_req0 &= ~(1<<irq);
do_IRQ(irq);
}
static void intc0_req1_irqdispatch(void)
{
int irq = 0;
static unsigned long intc0_req1 = 0;
intc0_req1 |= au_readl(IC0_REQ1INT);
if (!intc0_req1)
return;
irq = au_ffs(intc0_req1) - 1;
intc0_req1 &= ~(1<<irq);
do_IRQ(irq);
}
/*
* Interrupt Controller 1:
* interrupts 32 - 63
*/
static void intc1_req0_irqdispatch(void)
{
int irq = 0;
static unsigned long intc1_req0 = 0;
intc1_req0 |= au_readl(IC1_REQ0INT);
if (!intc1_req0)
return;
irq = au_ffs(intc1_req0) - 1;
intc1_req0 &= ~(1<<irq);
irq += 32;
do_IRQ(irq);
}
static void intc1_req1_irqdispatch(void)
{
int irq = 0;
static unsigned long intc1_req1 = 0;
intc1_req1 |= au_readl(IC1_REQ1INT);
if (!intc1_req1)
return;
irq = au_ffs(intc1_req1) - 1;
intc1_req1 &= ~(1<<irq);
irq += 32;
do_IRQ(irq);
}
#ifdef CONFIG_PM
/* Save/restore the interrupt controller state.
* Called from the save/restore core registers as part of the
* au_sleep function in power.c.....maybe I should just pm_register()
* them instead?
*/
static unsigned int sleep_intctl_config0[2];
static unsigned int sleep_intctl_config1[2];
static unsigned int sleep_intctl_config2[2];
static unsigned int sleep_intctl_src[2];
static unsigned int sleep_intctl_assign[2];
static unsigned int sleep_intctl_wake[2];
static unsigned int sleep_intctl_mask[2];
void
save_au1xxx_intctl(void)
{
sleep_intctl_config0[0] = au_readl(IC0_CFG0RD);
sleep_intctl_config1[0] = au_readl(IC0_CFG1RD);
sleep_intctl_config2[0] = au_readl(IC0_CFG2RD);
sleep_intctl_src[0] = au_readl(IC0_SRCRD);
sleep_intctl_assign[0] = au_readl(IC0_ASSIGNRD);
sleep_intctl_wake[0] = au_readl(IC0_WAKERD);
sleep_intctl_mask[0] = au_readl(IC0_MASKRD);
sleep_intctl_config0[1] = au_readl(IC1_CFG0RD);
sleep_intctl_config1[1] = au_readl(IC1_CFG1RD);
sleep_intctl_config2[1] = au_readl(IC1_CFG2RD);
sleep_intctl_src[1] = au_readl(IC1_SRCRD);
sleep_intctl_assign[1] = au_readl(IC1_ASSIGNRD);
sleep_intctl_wake[1] = au_readl(IC1_WAKERD);
sleep_intctl_mask[1] = au_readl(IC1_MASKRD);
}
/* For most restore operations, we clear the entire register and
* then set the bits we found during the save.
*/
void
restore_au1xxx_intctl(void)
{
au_writel(0xffffffff, IC0_MASKCLR); au_sync();
au_writel(0xffffffff, IC0_CFG0CLR); au_sync();
au_writel(sleep_intctl_config0[0], IC0_CFG0SET); au_sync();
au_writel(0xffffffff, IC0_CFG1CLR); au_sync();
au_writel(sleep_intctl_config1[0], IC0_CFG1SET); au_sync();
au_writel(0xffffffff, IC0_CFG2CLR); au_sync();
au_writel(sleep_intctl_config2[0], IC0_CFG2SET); au_sync();
au_writel(0xffffffff, IC0_SRCCLR); au_sync();
au_writel(sleep_intctl_src[0], IC0_SRCSET); au_sync();
au_writel(0xffffffff, IC0_ASSIGNCLR); au_sync();
au_writel(sleep_intctl_assign[0], IC0_ASSIGNSET); au_sync();
au_writel(0xffffffff, IC0_WAKECLR); au_sync();
au_writel(sleep_intctl_wake[0], IC0_WAKESET); au_sync();
au_writel(0xffffffff, IC0_RISINGCLR); au_sync();
au_writel(0xffffffff, IC0_FALLINGCLR); au_sync();
au_writel(0x00000000, IC0_TESTBIT); au_sync();
au_writel(0xffffffff, IC1_MASKCLR); au_sync();
au_writel(0xffffffff, IC1_CFG0CLR); au_sync();
au_writel(sleep_intctl_config0[1], IC1_CFG0SET); au_sync();
au_writel(0xffffffff, IC1_CFG1CLR); au_sync();
au_writel(sleep_intctl_config1[1], IC1_CFG1SET); au_sync();
au_writel(0xffffffff, IC1_CFG2CLR); au_sync();
au_writel(sleep_intctl_config2[1], IC1_CFG2SET); au_sync();
au_writel(0xffffffff, IC1_SRCCLR); au_sync();
au_writel(sleep_intctl_src[1], IC1_SRCSET); au_sync();
au_writel(0xffffffff, IC1_ASSIGNCLR); au_sync();
au_writel(sleep_intctl_assign[1], IC1_ASSIGNSET); au_sync();
au_writel(0xffffffff, IC1_WAKECLR); au_sync();
au_writel(sleep_intctl_wake[1], IC1_WAKESET); au_sync();
au_writel(0xffffffff, IC1_RISINGCLR); au_sync();
au_writel(0xffffffff, IC1_FALLINGCLR); au_sync();
au_writel(0x00000000, IC1_TESTBIT); au_sync();
au_writel(sleep_intctl_mask[1], IC1_MASKSET); au_sync();
au_writel(sleep_intctl_mask[0], IC0_MASKSET); au_sync();
}
#endif /* CONFIG_PM */
asmlinkage void plat_irq_dispatch(void)
{
unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
if (pending & CAUSEF_IP7)
do_IRQ(63);
else if (pending & CAUSEF_IP2)
intc0_req0_irqdispatch();
else if (pending & CAUSEF_IP3)
intc0_req1_irqdispatch();
else if (pending & CAUSEF_IP4)
intc1_req0_irqdispatch();
else if (pending & CAUSEF_IP5)
intc1_req1_irqdispatch();
else
spurious_interrupt();
}

2
arch/mips/au1000/db1x00/irqmap.c
View file

@ -79,7 +79,7 @@ char irq_tab_alchemy[][5] __initdata = {
#endif
au1xxx_irq_map_t __initdata au1xxx_irq_map[] = {
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
#ifndef CONFIG_MIPS_MIRAGE
#ifdef CONFIG_MIPS_DB1550

2
arch/mips/au1000/mtx-1/irqmap.c
View file

@ -58,7 +58,7 @@ char irq_tab_alchemy[][5] __initdata = {
[7] = { -1, INTD, INTC, INTX, INTX}, /* IDSEL 07 - AdapterD-Slot1 (bottom) */
};
au1xxx_irq_map_t __initdata au1xxx_irq_map[] = {
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },

2
arch/mips/au1000/pb1000/irqmap.c
View file

@ -47,7 +47,7 @@
#include <asm/system.h>
#include <asm/mach-au1x00/au1000.h>
au1xxx_irq_map_t __initdata au1xxx_irq_map[] = {
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1000_GPIO_15, INTC_INT_LOW_LEVEL, 0 },
};

2
arch/mips/au1000/pb1100/irqmap.c
View file

@ -47,7 +47,7 @@
#include <asm/system.h>
#include <asm/mach-au1x00/au1000.h>
au1xxx_irq_map_t __initdata au1xxx_irq_map[] = {
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card Fully_Interted#
{ AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card STSCHG#
{ AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card IRQ#

4
arch/mips/au1000/pb1200/irqmap.c
View file

@ -54,7 +54,7 @@
#define PB1200_INT_END DB1200_INT_END
#endif
au1xxx_irq_map_t __initdata au1xxx_irq_map[] = {
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, // This is exteranl interrupt cascade
};
@ -74,7 +74,7 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id)
bcsr->int_status = bisr;
for( ; bisr; bisr &= (bisr-1) )
{
extirq_nr = (PB1200_INT_BEGIN-1) + au_ffs(bisr);
extirq_nr = PB1200_INT_BEGIN + au_ffs(bisr);
/* Ack and dispatch IRQ */
do_IRQ(extirq_nr);
}

2
arch/mips/au1000/pb1500/irqmap.c
View file

@ -52,7 +52,7 @@ char irq_tab_alchemy[][5] __initdata = {
[13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */
};
au1xxx_irq_map_t __initdata au1xxx_irq_map[] = {
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },

2
arch/mips/au1000/pb1550/irqmap.c
View file

@ -52,7 +52,7 @@ char irq_tab_alchemy[][5] __initdata = {
[13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot 1 (right) */
};
au1xxx_irq_map_t __initdata au1xxx_irq_map[] = {
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1000_GPIO_0, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_GPIO_1, INTC_INT_LOW_LEVEL, 0 },
};

2
arch/mips/au1000/xxs1500/irqmap.c
View file

@ -47,7 +47,7 @@
#include <asm/system.h>
#include <asm/au1000.h>
au1xxx_irq_map_t __initdata au1xxx_irq_map[] = {
struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },

2
arch/mips/kernel/time.c
View file

@ -421,7 +421,7 @@ void __cpuinit mips_clockevent_init(void)
cd->mult = div_sc((unsigned long) mips_freq, NSEC_PER_SEC, 32);
cd->shift = 32;
cd->max_delta_ns = clockevent_delta2ns(0x7fffffff, cd);
cd->min_delta_ns = clockevent_delta2ns(0x30, cd);
cd->min_delta_ns = clockevent_delta2ns(0x300, cd);
cd->rating = 300;
cd->irq = irq;

21
arch/mips/kernel/traps.c
View file

@ -104,7 +104,7 @@ static int __init set_raw_show_trace(char *str)
__setup("raw_show_trace", set_raw_show_trace);
#endif
static void show_backtrace(struct task_struct *task, struct pt_regs *regs)
static void show_backtrace(struct task_struct *task, const struct pt_regs *regs)
{
unsigned long sp = regs->regs[29];
unsigned long ra = regs->regs[31];
@ -126,7 +126,8 @@ static void show_backtrace(struct task_struct *task, struct pt_regs *regs)
* This routine abuses get_user()/put_user() to reference pointers
* with at least a bit of error checking ...
*/
static void show_stacktrace(struct task_struct *task, struct pt_regs *regs)
static void show_stacktrace(struct task_struct *task,
const struct pt_regs *regs)
{
const int field = 2 * sizeof(unsigned long);
long stackdata;
@ -203,7 +204,7 @@ static void show_code(unsigned int __user *pc)
}
}
void show_regs(struct pt_regs *regs)
static void __show_regs(const struct pt_regs *regs)
{
const int field = 2 * sizeof(unsigned long);
unsigned int cause = regs->cp0_cause;
@ -299,9 +300,17 @@ void show_regs(struct pt_regs *regs)
cpu_name_string());
}
void show_registers(struct pt_regs *regs)
/*
* FIXME: really the generic show_regs should take a const pointer argument.
*/
void show_regs(struct pt_regs *regs)
{
show_regs(regs);
__show_regs((struct pt_regs *)regs);
}
void show_registers(const struct pt_regs *regs)
{
__show_regs(regs);
print_modules();
printk("Process %s (pid: %d, threadinfo=%p, task=%p)\n",
current->comm, current->pid, current_thread_info(), current);
@ -312,7 +321,7 @@ void show_registers(struct pt_regs *regs)
static DEFINE_SPINLOCK(die_lock);
void __noreturn die(const char * str, struct pt_regs * regs)
void __noreturn die(const char * str, const struct pt_regs * regs)
{
static int die_counter;
#ifdef CONFIG_MIPS_MT_SMTC

15
arch/mips/kernel/vmlinux.lds.S
View file

@ -5,6 +5,10 @@
#define mips mips
OUTPUT_ARCH(mips)
ENTRY(kernel_entry)
PHDRS {
text PT_LOAD FLAGS(7); /* RWX */
note PT_NOTE FLAGS(4); /* R__ */
}
jiffies = JIFFIES;
SECTIONS
@ -21,7 +25,6 @@ SECTIONS
* >= 0xa800 0000 0030 0000 otherwise
*/
/* . = 0xa800000000300000; */
/* . = 0xa800000000300000; */
. = 0xffffffff80300000;
#endif
@ -32,9 +35,10 @@ SECTIONS
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
*(.fixup)
*(.gnu.warning)
} =0
} :text = 0
_etext = .; /* End of text section */
/* Exception table */
@ -51,6 +55,10 @@ SECTIONS
*(__dbe_table)
__stop___dbe_table = .;
}
NOTES :text :note
.dummy : { *(.dummy) } :text
RODATA
/* writeable */
@ -201,7 +209,4 @@ SECTIONS
*(.gptab.bss)
*(.gptab.sbss)
}
.note : {
*(.note)
}
}

27
arch/mips/kernel/vpe.c
View file

@ -1317,7 +1317,8 @@ static void kspd_sp_exit( int sp_id)
}
#endif
static ssize_t store_kill(struct class_device *dev, const char *buf, size_t len)
static ssize_t store_kill(struct device *dev, struct device_attribute *attr,
const char *buf, size_t len)
{
struct vpe *vpe = get_vpe(tclimit);
struct vpe_notifications *not;
@ -1334,14 +1335,16 @@ static ssize_t store_kill(struct class_device *dev, const char *buf, size_t len)
return len;
}
static ssize_t show_ntcs(struct class_device *cd, char *buf)
static ssize_t show_ntcs(struct device *cd, struct device_attribute *attr,
char *buf)
{
struct vpe *vpe = get_vpe(tclimit);
return sprintf(buf, "%d\n", vpe->ntcs);
}
static ssize_t store_ntcs(struct class_device *dev, const char *buf, size_t len)
static ssize_t store_ntcs(struct device *dev, struct device_attribute *attr,
const char *buf, size_t len)
{
struct vpe *vpe = get_vpe(tclimit);
unsigned long new;
@ -1362,13 +1365,13 @@ out_einval:
return -EINVAL;;
}
static struct class_device_attribute vpe_class_attributes[] = {
static struct device_attribute vpe_class_attributes[] = {
__ATTR(kill, S_IWUSR, NULL, store_kill),
__ATTR(ntcs, S_IRUGO | S_IWUSR, show_ntcs, store_ntcs),
{}
};
static void vpe_class_device_release(struct class_device *cd)
static void vpe_device_release(struct device *cd)
{
kfree(cd);
}
@ -1376,11 +1379,11 @@ static void vpe_class_device_release(struct class_device *cd)
struct class vpe_class = {
.name = "vpe",
.owner = THIS_MODULE,
.release = vpe_class_device_release,
.class_dev_attrs = vpe_class_attributes,
.dev_release = vpe_device_release,
.dev_attrs = vpe_class_attributes,
};
struct class_device vpe_device;
struct device vpe_device;
static int __init vpe_module_init(void)
{
@ -1423,12 +1426,12 @@ static int __init vpe_module_init(void)
goto out_chrdev;
}
class_device_initialize(&vpe_device);
device_initialize(&vpe_device);
vpe_device.class = &vpe_class,
vpe_device.parent = NULL,
strlcpy(vpe_device.class_id, "vpe1", BUS_ID_SIZE);
strlcpy(vpe_device.bus_id, "vpe1", BUS_ID_SIZE);
vpe_device.devt = MKDEV(major, minor);
err = class_device_add(&vpe_device);
err = device_add(&vpe_device);
if (err) {
printk(KERN_ERR "Adding vpe_device failed\n");
goto out_class;
@ -1573,7 +1576,7 @@ static void __exit vpe_module_exit(void)
}
}
class_device_del(&vpe_device);
device_del(&vpe_device);
unregister_chrdev(major, module_name);
}

8
arch/mips/lasat/interrupt.c
View file

@ -26,6 +26,7 @@
#include <linux/kernel_stat.h>
#include <asm/bootinfo.h>
#include <asm/irq_cpu.h>
#include <asm/lasat/lasatint.h>
#include <asm/time.h>
#include <asm/gdb-stub.h>
@ -88,7 +89,7 @@ asmlinkage void plat_irq_dispatch(void)
int irq;
if (cause & CAUSEF_IP7) { /* R4000 count / compare IRQ */
ll_timer_interrupt(7);
do_IRQ(7);
return;
}
@ -96,7 +97,7 @@ asmlinkage void plat_irq_dispatch(void)
/* if int_status == 0, then the interrupt has already been cleared */
if (int_status) {
irq = ls1bit32(int_status);
irq = LASATINT_BASE + ls1bit32(int_status);
do_IRQ(irq);
}
@ -125,6 +126,7 @@ void __init arch_init_irq(void)
panic("arch_init_irq: mips_machtype incorrect");
}
for (i = 0; i <= LASATINT_END; i++)
mips_cpu_irq_init();
for (i = LASATINT_BASE; i <= LASATINT_END; i++)
set_irq_chip_and_handler(i, &lasat_irq_type, handle_level_irq);
}

5
arch/mips/mipssim/sim_cmdline.c
View file

@ -28,8 +28,5 @@ char * __init prom_getcmdline(void)
void __init prom_init_cmdline(void)
{
char *cp;
cp = arcs_cmdline;
/* Get boot line from environment? */
*cp = '\0';
/* XXX: Get boot line from environment? */
}

10
arch/mips/mm/c-r4k.c
View file

@ -983,11 +983,15 @@ static void __init probe_pcache(void)
printk("Primary instruction cache %ldkB, %s, %s, linesize %d bytes.\n",
icache_size >> 10,
cpu_has_vtag_icache ? "virtually tagged" : "physically tagged",
cpu_has_vtag_icache ? "VIVT" : "VIPT",
way_string[c->icache.ways], c->icache.linesz);
printk("Primary data cache %ldkB, %s, linesize %d bytes.\n",
dcache_size >> 10, way_string[c->dcache.ways], c->dcache.linesz);
printk("Primary data cache %ldkB, %s, %s, %s, linesize %d bytes\n",
dcache_size >> 10, way_string[c->dcache.ways],
(c->dcache.flags & MIPS_CACHE_PINDEX) ? "PIPT" : "VIPT",
(c->dcache.flags & MIPS_CACHE_ALIASES) ?
"cache aliases" : "no aliases",
c->dcache.linesz);
}
/*

19
arch/mips/mm/init.c
View file

@ -211,7 +211,7 @@ void copy_user_highpage(struct page *to, struct page *from,
void *vfrom, *vto;
vto = kmap_atomic(to, KM_USER1);
if (cpu_has_dc_aliases && !Page_dcache_dirty(from)) {
if (cpu_has_dc_aliases && page_mapped(from)) {
vfrom = kmap_coherent(from, vaddr);
copy_page(vto, vfrom);
kunmap_coherent();
@ -234,12 +234,15 @@ void copy_to_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
if (cpu_has_dc_aliases) {
if (cpu_has_dc_aliases && page_mapped(page)) {
void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(vto, src, len);
kunmap_coherent();
} else
} else {
memcpy(dst, src, len);
if (cpu_has_dc_aliases)
SetPageDcacheDirty(page);
}
if ((vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc)
flush_cache_page(vma, vaddr, page_to_pfn(page));
}
@ -250,13 +253,15 @@ void copy_from_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
if (cpu_has_dc_aliases) {
void *vfrom =
kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
if (cpu_has_dc_aliases && page_mapped(page)) {
void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(dst, vfrom, len);
kunmap_coherent();
} else
} else {
memcpy(dst, src, len);
if (cpu_has_dc_aliases)
SetPageDcacheDirty(page);
}
}
EXPORT_SYMBOL(copy_from_user_page);

19
arch/mips/pci/pci-lasat.c
View file

@ -10,6 +10,7 @@
#include <linux/pci.h>
#include <linux/types.h>
#include <asm/bootinfo.h>
#include <asm/lasat/lasatint.h>
extern struct pci_ops nile4_pci_ops;
extern struct pci_ops gt64xxx_pci0_ops;
@ -54,15 +55,15 @@ static int __init lasat_pci_setup(void)
arch_initcall(lasat_pci_setup);
#define LASATINT_ETH1 0
#define LASATINT_ETH0 1
#define LASATINT_HDC 2
#define LASATINT_COMP 3
#define LASATINT_HDLC 4
#define LASATINT_PCIA 5
#define LASATINT_PCIB 6
#define LASATINT_PCIC 7
#define LASATINT_PCID 8
#define LASATINT_ETH1 (LASATINT_BASE + 0)
#define LASATINT_ETH0 (LASATINT_BASE + 1)
#define LASATINT_HDC (LASATINT_BASE + 2)
#define LASATINT_COMP (LASATINT_BASE + 3)
#define LASATINT_HDLC (LASATINT_BASE + 4)
#define LASATINT_PCIA (LASATINT_BASE + 5)
#define LASATINT_PCIB (LASATINT_BASE + 6)
#define LASATINT_PCIC (LASATINT_BASE + 7)
#define LASATINT_PCID (LASATINT_BASE + 8)
int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{

2
arch/mips/sgi-ip22/Makefile
View file

@ -7,3 +7,5 @@ obj-y += ip22-mc.o ip22-hpc.o ip22-int.o ip22-berr.o \
ip22-time.o ip22-nvram.o ip22-platform.o ip22-reset.o ip22-setup.o
obj-$(CONFIG_EISA) += ip22-eisa.o
EXTRA_CFLAGS += -Werror

9
arch/mips/sgi-ip22/ip22-reset.c
View file

@ -232,11 +232,18 @@ static struct notifier_block panic_block = {
static int __init reboot_setup(void)
{
int res;
_machine_restart = sgi_machine_restart;
_machine_halt = sgi_machine_halt;
pm_power_off = sgi_machine_power_off;
request_irq(SGI_PANEL_IRQ, panel_int, 0, "Front Panel", NULL);
res = request_irq(SGI_PANEL_IRQ, panel_int, 0, "Front Panel", NULL);
if (res) {
printk(KERN_ERR "Allocation of front panel IRQ failed\n");
return res;
}
init_timer(&blink_timer);
blink_timer.function = blink_timeout;
atomic_notifier_chain_register(&panic_notifier_list, &panic_block);

158
arch/mips/sgi-ip32/ip32-irq.c
View file

@ -20,6 +20,7 @@
#include <linux/random.h>
#include <linux/sched.h>
#include <asm/irq_cpu.h>
#include <asm/mipsregs.h>
#include <asm/signal.h>
#include <asm/system.h>
@ -46,7 +47,8 @@ static void inline flush_mace_bus(void)
#define DBG(x...)
#endif
/* O2 irq map
/*
* O2 irq map
*
* IP0 -> software (ignored)
* IP1 -> software (ignored)
@ -55,60 +57,60 @@ static void inline flush_mace_bus(void)
* IP4 -> (irq2) X unknown
* IP5 -> (irq3) X unknown
* IP6 -> (irq4) X unknown
* IP7 -> (irq5) 0 CPU count/compare timer (system timer)
* IP7 -> (irq5) 7 CPU count/compare timer (system timer)
*
* crime: (C)
*
* CRIME_INT_STAT 31:0:
*
* 0 -> 1 Video in 1
* 1 -> 2 Video in 2
* 2 -> 3 Video out
* 3 -> 4 Mace ethernet
* 0 -> 8 Video in 1
* 1 -> 9 Video in 2
* 2 -> 10 Video out
* 3 -> 11 Mace ethernet
* 4 -> S SuperIO sub-interrupt
* 5 -> M Miscellaneous sub-interrupt
* 6 -> A Audio sub-interrupt
* 7 -> 8 PCI bridge errors
* 8 -> 9 PCI SCSI aic7xxx 0
* 9 -> 10 PCI SCSI aic7xxx 1
* 10 -> 11 PCI slot 0
* 11 -> 12 unused (PCI slot 1)
* 12 -> 13 unused (PCI slot 2)
* 13 -> 14 unused (PCI shared 0)
* 14 -> 15 unused (PCI shared 1)
* 15 -> 16 unused (PCI shared 2)
* 16 -> 17 GBE0 (E)
* 17 -> 18 GBE1 (E)
* 18 -> 19 GBE2 (E)
* 19 -> 20 GBE3 (E)
* 20 -> 21 CPU errors
* 21 -> 22 Memory errors
* 22 -> 23 RE empty edge (E)
* 23 -> 24 RE full edge (E)
* 24 -> 25 RE idle edge (E)
* 25 -> 26 RE empty level
* 26 -> 27 RE full level
* 27 -> 28 RE idle level
* 28 -> 29 unused (software 0) (E)
* 29 -> 30 unused (software 1) (E)
* 30 -> 31 unused (software 2) - crime 1.5 CPU SysCorError (E)
* 31 -> 32 VICE
* 7 -> 15 PCI bridge errors
* 8 -> 16 PCI SCSI aic7xxx 0
* 9 -> 17 PCI SCSI aic7xxx 1
* 10 -> 18 PCI slot 0
* 11 -> 19 unused (PCI slot 1)
* 12 -> 20 unused (PCI slot 2)
* 13 -> 21 unused (PCI shared 0)
* 14 -> 22 unused (PCI shared 1)
* 15 -> 23 unused (PCI shared 2)
* 16 -> 24 GBE0 (E)
* 17 -> 25 GBE1 (E)
* 18 -> 26 GBE2 (E)
* 19 -> 27 GBE3 (E)
* 20 -> 28 CPU errors
* 21 -> 29 Memory errors
* 22 -> 30 RE empty edge (E)
* 23 -> 31 RE full edge (E)
* 24 -> 32 RE idle edge (E)
* 25 -> 33 RE empty level
* 26 -> 34 RE full level
* 27 -> 35 RE idle level
* 28 -> 36 unused (software 0) (E)
* 29 -> 37 unused (software 1) (E)
* 30 -> 38 unused (software 2) - crime 1.5 CPU SysCorError (E)
* 31 -> 39 VICE
*
* S, M, A: Use the MACE ISA interrupt register
* MACE_ISA_INT_STAT 31:0
*
* 0-7 -> 33-40 Audio
* 8 -> 41 RTC
* 9 -> 42 Keyboard
* 0-7 -> 40-47 Audio
* 8 -> 48 RTC
* 9 -> 49 Keyboard
* 10 -> X Keyboard polled
* 11 -> 44 Mouse
* 11 -> 51 Mouse
* 12 -> X Mouse polled
* 13-15 -> 46-48 Count/compare timers
* 16-19 -> 49-52 Parallel (16 E)
* 20-25 -> 53-58 Serial 1 (22 E)
* 26-31 -> 59-64 Serial 2 (28 E)
* 13-15 -> 53-55 Count/compare timers
* 16-19 -> 56-59 Parallel (16 E)
* 20-25 -> 60-62 Serial 1 (22 E)
* 26-31 -> 66-71 Serial 2 (28 E)
*
* Note that this means IRQs 5-7, 43, and 45 do not exist. This is a
* Note that this means IRQs 12-14, 50, and 52 do not exist. This is a
* different IRQ map than IRIX uses, but that's OK as Linux irq handling
* is quite different anyway.
*/
@ -130,36 +132,6 @@ struct irqaction cpuerr_irq = {
.name = "CRIME CPU error",
};
/*
* For interrupts wired from a single device to the CPU. Only the clock
* uses this it seems, which is IRQ 0 and IP7.
*/
static void enable_cpu_irq(unsigned int irq)
{
set_c0_status(STATUSF_IP7);
}
static void disable_cpu_irq(unsigned int irq)
{
clear_c0_status(STATUSF_IP7);
}
static void end_cpu_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
enable_cpu_irq(irq);
}
static struct irq_chip ip32_cpu_interrupt = {
.name = "IP32 CPU",
.ack = disable_cpu_irq,
.mask = disable_cpu_irq,
.mask_ack = disable_cpu_irq,
.unmask = enable_cpu_irq,
.end = end_cpu_irq,
};
/*
* This is for pure CRIME interrupts - ie not MACE. The advantage?
* We get to split the register in half and do faster lookups.
@ -422,15 +394,23 @@ static void ip32_irq0(void)
uint64_t crime_int;
int irq = 0;
/*
* Sanity check interrupt numbering enum.
* MACE got 32 interrupts and there are 32 MACE ISA interrupts daisy
* chained.
*/
BUILD_BUG_ON(CRIME_VICE_IRQ - MACE_VID_IN1_IRQ != 31);
BUILD_BUG_ON(MACEISA_SERIAL2_RDMAOR_IRQ - MACEISA_AUDIO_SW_IRQ != 31);
crime_int = crime->istat & crime_mask;
irq = __ffs(crime_int);
irq = MACE_VID_IN1_IRQ + __ffs(crime_int);
crime_int = 1 << irq;
if (crime_int & CRIME_MACEISA_INT_MASK) {
unsigned long mace_int = mace->perif.ctrl.istat;
irq = __ffs(mace_int & maceisa_mask) + 32;
irq = __ffs(mace_int & maceisa_mask) + MACEISA_AUDIO_SW_IRQ;
}
irq++;
DBG("*irq %u*\n", irq);
do_IRQ(irq);
}
@ -457,7 +437,7 @@ static void ip32_irq4(void)
static void ip32_irq5(void)
{
do_IRQ(IP32_R4K_TIMER_IRQ);
do_IRQ(MIPS_CPU_IRQ_BASE + 7);
}
asmlinkage void plat_irq_dispatch(void)
@ -490,21 +470,25 @@ void __init arch_init_irq(void)
mace->perif.ctrl.istat = 0;
mace->perif.ctrl.imask = 0;
for (irq = 0; irq <= IP32_IRQ_MAX; irq++) {
struct irq_chip *controller;
mips_cpu_irq_init();
for (irq = MIPS_CPU_IRQ_BASE + 8; irq <= IP32_IRQ_MAX; irq++) {
struct irq_chip *chip;
if (irq == IP32_R4K_TIMER_IRQ)
controller = &ip32_cpu_interrupt;
else if (irq <= MACE_PCI_BRIDGE_IRQ && irq >= MACE_VID_IN1_IRQ)
controller = &ip32_mace_interrupt;
else if (irq <= MACEPCI_SHARED2_IRQ && irq >= MACEPCI_SCSI0_IRQ)
controller = &ip32_macepci_interrupt;
else if (irq <= CRIME_VICE_IRQ && irq >= CRIME_GBE0_IRQ)
controller = &ip32_crime_interrupt;
else
controller = &ip32_maceisa_interrupt;
switch (irq) {
case MACE_VID_IN1_IRQ ... MACE_PCI_BRIDGE_IRQ:
chip = &ip32_mace_interrupt;
break;
case MACEPCI_SCSI0_IRQ ... MACEPCI_SHARED2_IRQ:
chip = &ip32_macepci_interrupt;
break;
case CRIME_GBE0_IRQ ... CRIME_VICE_IRQ:
chip = &ip32_crime_interrupt;
break;
default:
chip = &ip32_maceisa_interrupt;
}
set_irq_chip(irq, controller);
set_irq_chip(irq, chip);
}
setup_irq(CRIME_MEMERR_IRQ, &memerr_irq);
setup_irq(CRIME_CPUERR_IRQ, &cpuerr_irq);

2
arch/mips/sgi-ip32/ip32-setup.c
View file

@ -83,7 +83,7 @@ void __init plat_time_init(void)
void __init plat_timer_setup(struct irqaction *irq)
{
irq->handler = no_action;
setup_irq(IP32_R4K_TIMER_IRQ, irq);
setup_irq(MIPS_CPU_IRQ_BASE + 7, irq);
}
void __init plat_mem_setup(void)

158
include/asm-mips/ip32/ip32_ints.h
View file

@ -9,86 +9,104 @@
#ifndef __ASM_IP32_INTS_H
#define __ASM_IP32_INTS_H
#include <asm/irq.h>
/*
* This list reflects the assignment of interrupt numbers to
* interrupting events. Order is fairly irrelevant to handling
* priority. This differs from irix.
*/
/* CPU */
#define IP32_R4K_TIMER_IRQ 0
enum ip32_irq_no {
/*
* CPU interrupts are 0 ... 7
*/
/* MACE */
#define MACE_VID_IN1_IRQ 1
#define MACE_VID_IN2_IRQ 2
#define MACE_VID_OUT_IRQ 3
#define MACE_ETHERNET_IRQ 4
/* SUPERIO, MISC, and AUDIO are MACEISA */
#define MACE_PCI_BRIDGE_IRQ 8
/*
* MACE
*/
MACE_VID_IN1_IRQ = MIPS_CPU_IRQ_BASE + 8,
MACE_VID_IN2_IRQ,
MACE_VID_OUT_IRQ,
MACE_ETHERNET_IRQ,
/* SUPERIO, MISC, and AUDIO are MACEISA */
__MACE_SUPERIO,
__MACE_MISC,
__MACE_AUDIO,
MACE_PCI_BRIDGE_IRQ,
/* MACEPCI */
#define MACEPCI_SCSI0_IRQ 9
#define MACEPCI_SCSI1_IRQ 10
#define MACEPCI_SLOT0_IRQ 11
#define MACEPCI_SLOT1_IRQ 12
#define MACEPCI_SLOT2_IRQ 13
#define MACEPCI_SHARED0_IRQ 14
#define MACEPCI_SHARED1_IRQ 15
#define MACEPCI_SHARED2_IRQ 16
/*
* MACEPCI
*/
MACEPCI_SCSI0_IRQ,
MACEPCI_SCSI1_IRQ,
MACEPCI_SLOT0_IRQ,
MACEPCI_SLOT1_IRQ,
MACEPCI_SLOT2_IRQ,
MACEPCI_SHARED0_IRQ,
MACEPCI_SHARED1_IRQ,
MACEPCI_SHARED2_IRQ,
/* CRIME */
#define CRIME_GBE0_IRQ 17
#define CRIME_GBE1_IRQ 18
#define CRIME_GBE2_IRQ 19
#define CRIME_GBE3_IRQ 20
#define CRIME_CPUERR_IRQ 21
#define CRIME_MEMERR_IRQ 22
#define CRIME_RE_EMPTY_E_IRQ 23
#define CRIME_RE_FULL_E_IRQ 24
#define CRIME_RE_IDLE_E_IRQ 25
#define CRIME_RE_EMPTY_L_IRQ 26
#define CRIME_RE_FULL_L_IRQ 27
#define CRIME_RE_IDLE_L_IRQ 28
#define CRIME_SOFT0_IRQ 29
#define CRIME_SOFT1_IRQ 30
#define CRIME_SOFT2_IRQ 31
#define CRIME_SYSCORERR_IRQ CRIME_SOFT2_IRQ
#define CRIME_VICE_IRQ 32
/*
* CRIME
*/
CRIME_GBE0_IRQ,
CRIME_GBE1_IRQ,
CRIME_GBE2_IRQ,
CRIME_GBE3_IRQ,
CRIME_CPUERR_IRQ,
CRIME_MEMERR_IRQ,
CRIME_RE_EMPTY_E_IRQ,
CRIME_RE_FULL_E_IRQ,
CRIME_RE_IDLE_E_IRQ,
CRIME_RE_EMPTY_L_IRQ,
CRIME_RE_FULL_L_IRQ,
CRIME_RE_IDLE_L_IRQ,
CRIME_SOFT0_IRQ,
CRIME_SOFT1_IRQ,
CRIME_SOFT2_IRQ,
CRIME_SYSCORERR_IRQ = CRIME_SOFT2_IRQ,
CRIME_VICE_IRQ,
/* MACEISA */
#define MACEISA_AUDIO_SW_IRQ 33
#define MACEISA_AUDIO_SC_IRQ 34
#define MACEISA_AUDIO1_DMAT_IRQ 35
#define MACEISA_AUDIO1_OF_IRQ 36
#define MACEISA_AUDIO2_DMAT_IRQ 37
#define MACEISA_AUDIO2_MERR_IRQ 38
#define MACEISA_AUDIO3_DMAT_IRQ 39
#define MACEISA_AUDIO3_MERR_IRQ 40
#define MACEISA_RTC_IRQ 41
#define MACEISA_KEYB_IRQ 42
/* MACEISA_KEYB_POLL is not an IRQ */
#define MACEISA_MOUSE_IRQ 44
/* MACEISA_MOUSE_POLL is not an IRQ */
#define MACEISA_TIMER0_IRQ 46
#define MACEISA_TIMER1_IRQ 47
#define MACEISA_TIMER2_IRQ 48
#define MACEISA_PARALLEL_IRQ 49
#define MACEISA_PAR_CTXA_IRQ 50
#define MACEISA_PAR_CTXB_IRQ 51
#define MACEISA_PAR_MERR_IRQ 52
#define MACEISA_SERIAL1_IRQ 53
#define MACEISA_SERIAL1_TDMAT_IRQ 54
#define MACEISA_SERIAL1_TDMAPR_IRQ 55
#define MACEISA_SERIAL1_TDMAME_IRQ 56
#define MACEISA_SERIAL1_RDMAT_IRQ 57
#define MACEISA_SERIAL1_RDMAOR_IRQ 58
#define MACEISA_SERIAL2_IRQ 59
#define MACEISA_SERIAL2_TDMAT_IRQ 60
#define MACEISA_SERIAL2_TDMAPR_IRQ 61
#define MACEISA_SERIAL2_TDMAME_IRQ 62
#define MACEISA_SERIAL2_RDMAT_IRQ 63
#define MACEISA_SERIAL2_RDMAOR_IRQ 64
/*
* MACEISA
*/
MACEISA_AUDIO_SW_IRQ,
MACEISA_AUDIO_SC_IRQ,
MACEISA_AUDIO1_DMAT_IRQ,
MACEISA_AUDIO1_OF_IRQ,
MACEISA_AUDIO2_DMAT_IRQ,
MACEISA_AUDIO2_MERR_IRQ,
MACEISA_AUDIO3_DMAT_IRQ,
MACEISA_AUDIO3_MERR_IRQ,
MACEISA_RTC_IRQ,
MACEISA_KEYB_IRQ,
/* MACEISA_KEYB_POLL is not an IRQ */
__MACEISA_KEYB_POLL,
MACEISA_MOUSE_IRQ,
/* MACEISA_MOUSE_POLL is not an IRQ */
__MACEISA_MOUSE_POLL,
MACEISA_TIMER0_IRQ,
MACEISA_TIMER1_IRQ,
MACEISA_TIMER2_IRQ,
MACEISA_PARALLEL_IRQ,
MACEISA_PAR_CTXA_IRQ,
MACEISA_PAR_CTXB_IRQ,
MACEISA_PAR_MERR_IRQ,
MACEISA_SERIAL1_IRQ,
MACEISA_SERIAL1_TDMAT_IRQ,
MACEISA_SERIAL1_TDMAPR_IRQ,
MACEISA_SERIAL1_TDMAME_IRQ,
MACEISA_SERIAL1_RDMAT_IRQ,
MACEISA_SERIAL1_RDMAOR_IRQ,
MACEISA_SERIAL2_IRQ,
MACEISA_SERIAL2_TDMAT_IRQ,
MACEISA_SERIAL2_TDMAPR_IRQ,
MACEISA_SERIAL2_TDMAME_IRQ,
MACEISA_SERIAL2_RDMAT_IRQ,
MACEISA_SERIAL2_RDMAOR_IRQ,
#define IP32_IRQ_MAX MACEISA_SERIAL2_RDMAOR_IRQ
IP32_IRQ_MAX = MACEISA_SERIAL2_RDMAOR_IRQ
};
#endif /* __ASM_IP32_INTS_H */

9
include/asm-mips/lasat/lasatint.h
View file

@ -1,4 +1,10 @@
#define LASATINT_END 16
#ifndef __ASM_LASAT_LASATINT_H
#define __ASM_LASAT_LASATINT_H
#include <linux/irq.h>
#define LASATINT_BASE MIPS_CPU_IRQ_BASE
#define LASATINT_END (LASATINT_BASE + 16)
/* lasat 100 */
#define LASAT_INT_STATUS_REG_100 (KSEG1ADDR(0x1c880000))
@ -10,3 +16,4 @@
#define LASAT_INT_MASK_REG_200 (KSEG1ADDR(0x1104003c))
#define LASATINT_MASK_SHIFT_200 16
#endif /* __ASM_LASAT_LASATINT_H */

23
include/asm-mips/mach-au1x00/au1000.h
View file

@ -91,23 +91,6 @@ static inline u32 au_readl(unsigned long reg)
}
static __inline__ int au_ffz(unsigned int x)
{
if ((x = ~x) == 0)
return 32;
return __ilog2(x & -x);
}
/*
* ffs: find first bit set. This is defined the same way as
* the libc and compiler builtin ffs routines, therefore
* differs in spirit from the above ffz (man ffs).
*/
static __inline__ int au_ffs(int x)
{
return __ilog2(x & -x) + 1;
}
/* arch/mips/au1000/common/clocks.c */
extern void set_au1x00_speed(unsigned int new_freq);
extern unsigned int get_au1x00_speed(void);
@ -119,16 +102,16 @@ extern unsigned int get_au1x00_lcd_clock(void);
/*
* Every board describes its IRQ mapping with this table.
*/
typedef struct au1xxx_irqmap {
struct au1xxx_irqmap {
int im_irq;
int im_type;
int im_request;
} au1xxx_irq_map_t;
};
/*
* init_IRQ looks for a table with this name.
*/
extern au1xxx_irq_map_t au1xxx_irq_map[];
extern struct au1xxx_irqmap au1xxx_irq_map[];
#endif /* !defined (_LANGUAGE_ASSEMBLY) */

28
include/asm-mips/pmc-sierra/msp71xx/war.h Normal file
View file

@ -0,0 +1,28 @@
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
*/
#ifndef __ASM_MIPS_PMC_SIERRA_WAR_H
#define __ASM_MIPS_PMC_SIERRA_WAR_H
#define R4600_V1_INDEX_ICACHEOP_WAR 0
#define R4600_V1_HIT_CACHEOP_WAR 0
#define R4600_V2_HIT_CACHEOP_WAR 0
#define R5432_CP0_INTERRUPT_WAR 0
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
#define MIPS4K_ICACHE_REFILL_WAR 0
#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define RM9000_CDEX_SMP_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 0
#if defined(CONFIG_PMC_MSP7120_EVAL) || defined(CONFIG_PMC_MSP7120_GW) || \
defined(CONFIG_PMC_MSP7120_FPGA)
#define MIPS34K_MISSED_ITLB_WAR 1
#endif
#endif /* __ASM_MIPS_PMC_SIERRA_WAR_H */

4
include/asm-mips/ptrace.h
View file

@ -86,9 +86,9 @@ struct pt_regs {
extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
extern NORET_TYPE void die(const char *, struct pt_regs *) ATTRIB_NORET;
extern NORET_TYPE void die(const char *, const struct pt_regs *) ATTRIB_NORET;
static inline void die_if_kernel(const char *str, struct pt_regs *regs)
static inline void die_if_kernel(const char *str, const struct pt_regs *regs)
{
if (unlikely(!user_mode(regs)))
die(str, regs);