diff options
Diffstat (limited to 'include/asm-i386/mach-default')
-rw-r--r-- | include/asm-i386/mach-default/do_timer.h | 2 | ||||
-rw-r--r-- | include/asm-i386/mach-default/io_ports.h | 5 | ||||
-rw-r--r-- | include/asm-i386/mach-default/irq_vectors_limits.h | 2 | ||||
-rw-r--r-- | include/asm-i386/mach-default/mach_reboot.h | 25 | ||||
-rw-r--r-- | include/asm-i386/mach-default/mach_wakecpu.h | 3 |
5 files changed, 28 insertions, 9 deletions
diff --git a/include/asm-i386/mach-default/do_timer.h b/include/asm-i386/mach-default/do_timer.h index 56e5689863ae..23ecda0b28a0 100644 --- a/include/asm-i386/mach-default/do_timer.h +++ b/include/asm-i386/mach-default/do_timer.h @@ -12,5 +12,5 @@ static inline void do_timer_interrupt_hook(void) { - pit_interrupt_hook(); + global_clock_event->event_handler(global_clock_event); } diff --git a/include/asm-i386/mach-default/io_ports.h b/include/asm-i386/mach-default/io_ports.h index a96d9f6604ee..48540ba97166 100644 --- a/include/asm-i386/mach-default/io_ports.h +++ b/include/asm-i386/mach-default/io_ports.h @@ -7,11 +7,6 @@ #ifndef _MACH_IO_PORTS_H #define _MACH_IO_PORTS_H -/* i8253A PIT registers */ -#define PIT_MODE 0x43 -#define PIT_CH0 0x40 -#define PIT_CH2 0x42 - /* i8259A PIC registers */ #define PIC_MASTER_CMD 0x20 #define PIC_MASTER_IMR 0x21 diff --git a/include/asm-i386/mach-default/irq_vectors_limits.h b/include/asm-i386/mach-default/irq_vectors_limits.h index 7f161e760be6..a90c7a60109f 100644 --- a/include/asm-i386/mach-default/irq_vectors_limits.h +++ b/include/asm-i386/mach-default/irq_vectors_limits.h @@ -1,7 +1,7 @@ #ifndef _ASM_IRQ_VECTORS_LIMITS_H #define _ASM_IRQ_VECTORS_LIMITS_H -#ifdef CONFIG_X86_IO_APIC +#if defined(CONFIG_X86_IO_APIC) || defined(CONFIG_PARAVIRT) #define NR_IRQS 224 # if (224 >= 32 * NR_CPUS) # define NR_IRQ_VECTORS NR_IRQS diff --git a/include/asm-i386/mach-default/mach_reboot.h b/include/asm-i386/mach-default/mach_reboot.h index a955e57ad016..e23fd9fbebb3 100644 --- a/include/asm-i386/mach-default/mach_reboot.h +++ b/include/asm-i386/mach-default/mach_reboot.h @@ -19,14 +19,37 @@ static inline void kb_wait(void) static inline void mach_reboot(void) { int i; + + /* old method, works on most machines */ for (i = 0; i < 10; i++) { kb_wait(); udelay(50); + outb(0xfe, 0x64); /* pulse reset low */ + udelay(50); + } + + /* New method: sets the "System flag" which, when set, indicates + * successful completion of the keyboard controller self-test (Basic + * Assurance Test, BAT). This is needed for some machines with no + * keyboard plugged in. This read-modify-write sequence sets only the + * system flag + */ + for (i = 0; i < 10; i++) { + int cmd; + + outb(0x20, 0x64); /* read Controller Command Byte */ + udelay(50); + kb_wait(); + udelay(50); + cmd = inb(0x60); + udelay(50); + kb_wait(); + udelay(50); outb(0x60, 0x64); /* write Controller Command Byte */ udelay(50); kb_wait(); udelay(50); - outb(0x14, 0x60); /* set "System flag" */ + outb(cmd | 0x04, 0x60); /* set "System flag" */ udelay(50); kb_wait(); udelay(50); diff --git a/include/asm-i386/mach-default/mach_wakecpu.h b/include/asm-i386/mach-default/mach_wakecpu.h index 673b85c9b273..3ebb17893aa5 100644 --- a/include/asm-i386/mach-default/mach_wakecpu.h +++ b/include/asm-i386/mach-default/mach_wakecpu.h @@ -15,7 +15,8 @@ static inline void wait_for_init_deassert(atomic_t *deassert) { - while (!atomic_read(deassert)); + while (!atomic_read(deassert)) + cpu_relax(); return; } |