diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-22 03:12:37 -0400 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-22 03:12:37 -0400 |
commit | 8725f25acc656c1522d48a6746055099efdaca4c (patch) | |
tree | e241424fa58178ed6c2a95a4eb931ea83dbea33c /arch/x86/kernel/io_apic_32.c | |
parent | c69cccc95fe4b90dde5fe33e6a3b77880b534fa4 (diff) | |
parent | 93ded9b8fd42abe2c3607097963d8de6ad9117eb (diff) |
Merge commit 'origin/master'
Manually fixed up:
drivers/net/fs_enet/fs_enet-main.c
Diffstat (limited to 'arch/x86/kernel/io_apic_32.c')
-rw-r--r-- | arch/x86/kernel/io_apic_32.c | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 558abf4c796a..de9aa0e3a9c5 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c | |||
@@ -756,7 +756,7 @@ void send_IPI_self(int vector) | |||
756 | /* | 756 | /* |
757 | * Send the IPI. The write to APIC_ICR fires this off. | 757 | * Send the IPI. The write to APIC_ICR fires this off. |
758 | */ | 758 | */ |
759 | apic_write_around(APIC_ICR, cfg); | 759 | apic_write(APIC_ICR, cfg); |
760 | } | 760 | } |
761 | #endif /* !CONFIG_SMP */ | 761 | #endif /* !CONFIG_SMP */ |
762 | 762 | ||
@@ -2030,7 +2030,7 @@ static void mask_lapic_irq(unsigned int irq) | |||
2030 | unsigned long v; | 2030 | unsigned long v; |
2031 | 2031 | ||
2032 | v = apic_read(APIC_LVT0); | 2032 | v = apic_read(APIC_LVT0); |
2033 | apic_write_around(APIC_LVT0, v | APIC_LVT_MASKED); | 2033 | apic_write(APIC_LVT0, v | APIC_LVT_MASKED); |
2034 | } | 2034 | } |
2035 | 2035 | ||
2036 | static void unmask_lapic_irq(unsigned int irq) | 2036 | static void unmask_lapic_irq(unsigned int irq) |
@@ -2038,7 +2038,7 @@ static void unmask_lapic_irq(unsigned int irq) | |||
2038 | unsigned long v; | 2038 | unsigned long v; |
2039 | 2039 | ||
2040 | v = apic_read(APIC_LVT0); | 2040 | v = apic_read(APIC_LVT0); |
2041 | apic_write_around(APIC_LVT0, v & ~APIC_LVT_MASKED); | 2041 | apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED); |
2042 | } | 2042 | } |
2043 | 2043 | ||
2044 | static struct irq_chip lapic_chip __read_mostly = { | 2044 | static struct irq_chip lapic_chip __read_mostly = { |
@@ -2168,7 +2168,7 @@ static inline void __init check_timer(void) | |||
2168 | * The AEOI mode will finish them in the 8259A | 2168 | * The AEOI mode will finish them in the 8259A |
2169 | * automatically. | 2169 | * automatically. |
2170 | */ | 2170 | */ |
2171 | apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); | 2171 | apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); |
2172 | init_8259A(1); | 2172 | init_8259A(1); |
2173 | timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver)); | 2173 | timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver)); |
2174 | 2174 | ||
@@ -2177,8 +2177,9 @@ static inline void __init check_timer(void) | |||
2177 | pin2 = ioapic_i8259.pin; | 2177 | pin2 = ioapic_i8259.pin; |
2178 | apic2 = ioapic_i8259.apic; | 2178 | apic2 = ioapic_i8259.apic; |
2179 | 2179 | ||
2180 | printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", | 2180 | apic_printk(APIC_QUIET, KERN_INFO "..TIMER: vector=0x%02X " |
2181 | vector, apic1, pin1, apic2, pin2); | 2181 | "apic1=%d pin1=%d apic2=%d pin2=%d\n", |
2182 | vector, apic1, pin1, apic2, pin2); | ||
2182 | 2183 | ||
2183 | /* | 2184 | /* |
2184 | * Some BIOS writers are clueless and report the ExtINTA | 2185 | * Some BIOS writers are clueless and report the ExtINTA |
@@ -2216,12 +2217,13 @@ static inline void __init check_timer(void) | |||
2216 | } | 2217 | } |
2217 | clear_IO_APIC_pin(apic1, pin1); | 2218 | clear_IO_APIC_pin(apic1, pin1); |
2218 | if (!no_pin1) | 2219 | if (!no_pin1) |
2219 | printk(KERN_ERR "..MP-BIOS bug: " | 2220 | apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: " |
2220 | "8254 timer not connected to IO-APIC\n"); | 2221 | "8254 timer not connected to IO-APIC\n"); |
2221 | 2222 | ||
2222 | printk(KERN_INFO "...trying to set up timer (IRQ0) " | 2223 | apic_printk(APIC_QUIET, KERN_INFO "...trying to set up timer " |
2223 | "through the 8259A ... "); | 2224 | "(IRQ0) through the 8259A ...\n"); |
2224 | printk("\n..... (found pin %d) ...", pin2); | 2225 | apic_printk(APIC_QUIET, KERN_INFO |
2226 | "..... (found apic %d pin %d) ...\n", apic2, pin2); | ||
2225 | /* | 2227 | /* |
2226 | * legacy devices should be connected to IO APIC #0 | 2228 | * legacy devices should be connected to IO APIC #0 |
2227 | */ | 2229 | */ |
@@ -2230,7 +2232,7 @@ static inline void __init check_timer(void) | |||
2230 | unmask_IO_APIC_irq(0); | 2232 | unmask_IO_APIC_irq(0); |
2231 | enable_8259A_irq(0); | 2233 | enable_8259A_irq(0); |
2232 | if (timer_irq_works()) { | 2234 | if (timer_irq_works()) { |
2233 | printk("works.\n"); | 2235 | apic_printk(APIC_QUIET, KERN_INFO "....... works.\n"); |
2234 | timer_through_8259 = 1; | 2236 | timer_through_8259 = 1; |
2235 | if (nmi_watchdog == NMI_IO_APIC) { | 2237 | if (nmi_watchdog == NMI_IO_APIC) { |
2236 | disable_8259A_irq(0); | 2238 | disable_8259A_irq(0); |
@@ -2244,44 +2246,47 @@ static inline void __init check_timer(void) | |||
2244 | */ | 2246 | */ |
2245 | disable_8259A_irq(0); | 2247 | disable_8259A_irq(0); |
2246 | clear_IO_APIC_pin(apic2, pin2); | 2248 | clear_IO_APIC_pin(apic2, pin2); |
2247 | printk(" failed.\n"); | 2249 | apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n"); |
2248 | } | 2250 | } |
2249 | 2251 | ||
2250 | if (nmi_watchdog == NMI_IO_APIC) { | 2252 | if (nmi_watchdog == NMI_IO_APIC) { |
2251 | printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n"); | 2253 | apic_printk(APIC_QUIET, KERN_WARNING "timer doesn't work " |
2254 | "through the IO-APIC - disabling NMI Watchdog!\n"); | ||
2252 | nmi_watchdog = NMI_NONE; | 2255 | nmi_watchdog = NMI_NONE; |
2253 | } | 2256 | } |
2254 | timer_ack = 0; | 2257 | timer_ack = 0; |
2255 | 2258 | ||
2256 | printk(KERN_INFO "...trying to set up timer as Virtual Wire IRQ..."); | 2259 | apic_printk(APIC_QUIET, KERN_INFO |
2260 | "...trying to set up timer as Virtual Wire IRQ...\n"); | ||
2257 | 2261 | ||
2258 | lapic_register_intr(0, vector); | 2262 | lapic_register_intr(0, vector); |
2259 | apic_write_around(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */ | 2263 | apic_write(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */ |
2260 | enable_8259A_irq(0); | 2264 | enable_8259A_irq(0); |
2261 | 2265 | ||
2262 | if (timer_irq_works()) { | 2266 | if (timer_irq_works()) { |
2263 | printk(" works.\n"); | 2267 | apic_printk(APIC_QUIET, KERN_INFO "..... works.\n"); |
2264 | goto out; | 2268 | goto out; |
2265 | } | 2269 | } |
2266 | disable_8259A_irq(0); | 2270 | disable_8259A_irq(0); |
2267 | apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector); | 2271 | apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector); |
2268 | printk(" failed.\n"); | 2272 | apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n"); |
2269 | 2273 | ||
2270 | printk(KERN_INFO "...trying to set up timer as ExtINT IRQ..."); | 2274 | apic_printk(APIC_QUIET, KERN_INFO |
2275 | "...trying to set up timer as ExtINT IRQ...\n"); | ||
2271 | 2276 | ||
2272 | init_8259A(0); | 2277 | init_8259A(0); |
2273 | make_8259A_irq(0); | 2278 | make_8259A_irq(0); |
2274 | apic_write_around(APIC_LVT0, APIC_DM_EXTINT); | 2279 | apic_write(APIC_LVT0, APIC_DM_EXTINT); |
2275 | 2280 | ||
2276 | unlock_ExtINT_logic(); | 2281 | unlock_ExtINT_logic(); |
2277 | 2282 | ||
2278 | if (timer_irq_works()) { | 2283 | if (timer_irq_works()) { |
2279 | printk(" works.\n"); | 2284 | apic_printk(APIC_QUIET, KERN_INFO "..... works.\n"); |
2280 | goto out; | 2285 | goto out; |
2281 | } | 2286 | } |
2282 | printk(" failed :(.\n"); | 2287 | apic_printk(APIC_QUIET, KERN_INFO "..... failed :(.\n"); |
2283 | panic("IO-APIC + timer doesn't work! Boot with apic=debug and send a " | 2288 | panic("IO-APIC + timer doesn't work! Boot with apic=debug and send a " |
2284 | "report. Then try booting with the 'noapic' option"); | 2289 | "report. Then try booting with the 'noapic' option.\n"); |
2285 | out: | 2290 | out: |
2286 | local_irq_restore(flags); | 2291 | local_irq_restore(flags); |
2287 | } | 2292 | } |