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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 12:54:07 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 12:54:07 -0800 |
commit | 541ef5cbb8e68189d47272cea52a69abc30259bc (patch) | |
tree | 09c871320e6918ebb9b642a632971b364684d8a3 /arch | |
parent | 0191b625ca5a46206d2fb862bb08f36f2fcb3b31 (diff) | |
parent | aa6eeeef78263e9891185c6cfaaf64808460a54a (diff) | |
download | op-kernel-dev-541ef5cbb8e68189d47272cea52a69abc30259bc.zip op-kernel-dev-541ef5cbb8e68189d47272cea52a69abc30259bc.tar.gz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: use the new byteorder headers
fbcon: Protect free_irq() by MACH_IS_ATARI check
fbcon: remove broken mac vbl handler
m68k: fix trigraph ignored warning in setox.S
macfb annotations and compiler warning fix
m68k: mac baboon interrupt enable/disable
m68k: machw.h cleanup
m68k: Mac via cleanup and commentry
m68k: Reinstate mac rtc
Diffstat (limited to 'arch')
-rw-r--r-- | arch/m68k/fpsp040/setox.S | 4 | ||||
-rw-r--r-- | arch/m68k/mac/baboon.c | 42 | ||||
-rw-r--r-- | arch/m68k/mac/config.c | 3 | ||||
-rw-r--r-- | arch/m68k/mac/debug.c | 1 | ||||
-rw-r--r-- | arch/m68k/mac/macints.c | 9 | ||||
-rw-r--r-- | arch/m68k/mac/misc.c | 16 | ||||
-rw-r--r-- | arch/m68k/mac/oss.c | 1 | ||||
-rw-r--r-- | arch/m68k/mac/via.c | 80 |
8 files changed, 79 insertions, 77 deletions
diff --git a/arch/m68k/fpsp040/setox.S b/arch/m68k/fpsp040/setox.S index 145af54..f1acf7e 100644 --- a/arch/m68k/fpsp040/setox.S +++ b/arch/m68k/fpsp040/setox.S @@ -36,9 +36,9 @@ | depending on their values, the program may run faster or slower -- | but no worse than 10% slower even in the extreme cases. | -| The program setoxm1 takes approximately ???/??? cycles for input +| The program setoxm1 takes approximately ??? / ??? cycles for input | argument X, 0.25 <= |X| < 70log2. For |X| < 0.25, it takes -| approximately ???/??? cycles. For the less common arguments, +| approximately ??? / ??? cycles. For the less common arguments, | depending on their values, the program may run faster or slower -- | but no worse than 10% slower even in the extreme cases. | diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c index c7b25b0..245d16d 100644 --- a/arch/m68k/mac/baboon.c +++ b/arch/m68k/mac/baboon.c @@ -18,11 +18,14 @@ #include <asm/macints.h> #include <asm/mac_baboon.h> -/* #define DEBUG_BABOON */ /* #define DEBUG_IRQS */ +extern void mac_enable_irq(unsigned int); +extern void mac_disable_irq(unsigned int); + int baboon_present; static volatile struct baboon *baboon; +static unsigned char baboon_disabled; #if 0 extern int macide_ack_intr(struct ata_channel *); @@ -88,34 +91,51 @@ static irqreturn_t baboon_irq(int irq, void *dev_id) void __init baboon_register_interrupts(void) { - request_irq(IRQ_NUBUS_C, baboon_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST, - "baboon", (void *) baboon); + baboon_disabled = 0; + request_irq(IRQ_NUBUS_C, baboon_irq, 0, "baboon", (void *)baboon); } -void baboon_irq_enable(int irq) { +/* + * The means for masking individual baboon interrupts remains a mystery, so + * enable the umbrella interrupt only when no baboon interrupt is disabled. + */ + +void baboon_irq_enable(int irq) +{ + int irq_idx = IRQ_IDX(irq); + #ifdef DEBUG_IRQUSE printk("baboon_irq_enable(%d)\n", irq); #endif - /* FIXME: figure out how to mask and unmask baboon interrupt sources */ - enable_irq(IRQ_NUBUS_C); + + baboon_disabled &= ~(1 << irq_idx); + if (!baboon_disabled) + mac_enable_irq(IRQ_NUBUS_C); } -void baboon_irq_disable(int irq) { +void baboon_irq_disable(int irq) +{ + int irq_idx = IRQ_IDX(irq); + #ifdef DEBUG_IRQUSE printk("baboon_irq_disable(%d)\n", irq); #endif - disable_irq(IRQ_NUBUS_C); + + baboon_disabled |= 1 << irq_idx; + if (baboon_disabled) + mac_disable_irq(IRQ_NUBUS_C); } -void baboon_irq_clear(int irq) { - int irq_idx = IRQ_IDX(irq); +void baboon_irq_clear(int irq) +{ + int irq_idx = IRQ_IDX(irq); baboon->mb_ifr &= ~(1 << irq_idx); } int baboon_irq_pending(int irq) { - int irq_idx = IRQ_IDX(irq); + int irq_idx = IRQ_IDX(irq); return baboon->mb_ifr & (1 << irq_idx); } diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index c45e184..8819b97 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -162,10 +162,7 @@ void __init config_mac(void) mach_init_IRQ = mac_init_IRQ; mach_get_model = mac_get_model; mach_gettimeoffset = mac_gettimeoffset; -#warning move to adb/via init -#if 0 mach_hwclk = mac_hwclk; -#endif mach_set_clock_mmss = mac_set_clock_mmss; mach_reset = mac_reset; mach_halt = mac_poweroff; diff --git a/arch/m68k/mac/debug.c b/arch/m68k/mac/debug.c index 2165740..65dd77a 100644 --- a/arch/m68k/mac/debug.c +++ b/arch/m68k/mac/debug.c @@ -24,7 +24,6 @@ #define BOOTINFO_COMPAT_1_0 #include <asm/setup.h> #include <asm/bootinfo.h> -#include <asm/machw.h> #include <asm/macints.h> extern unsigned long mac_videobase; diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c index ecddac4..82e560c 100644 --- a/arch/m68k/mac/macints.c +++ b/arch/m68k/mac/macints.c @@ -127,7 +127,6 @@ #include <asm/irq.h> #include <asm/traps.h> #include <asm/bootinfo.h> -#include <asm/machw.h> #include <asm/macintosh.h> #include <asm/mac_via.h> #include <asm/mac_psc.h> @@ -215,8 +214,8 @@ irqreturn_t mac_debug_handler(int, void *); /* #define DEBUG_MACINTS */ -static void mac_enable_irq(unsigned int irq); -static void mac_disable_irq(unsigned int irq); +void mac_enable_irq(unsigned int irq); +void mac_disable_irq(unsigned int irq); static struct irq_controller mac_irq_controller = { .name = "mac", @@ -275,7 +274,7 @@ void __init mac_init_IRQ(void) * These routines are just dispatchers to the VIA/OSS/PSC routines. */ -static void mac_enable_irq(unsigned int irq) +void mac_enable_irq(unsigned int irq) { int irq_src = IRQ_SRC(irq); @@ -308,7 +307,7 @@ static void mac_enable_irq(unsigned int irq) } } -static void mac_disable_irq(unsigned int irq) +void mac_disable_irq(unsigned int irq) { int irq_src = IRQ_SRC(irq); diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c index 56d1f56..a44c708 100644 --- a/arch/m68k/mac/misc.c +++ b/arch/m68k/mac/misc.c @@ -93,7 +93,7 @@ static void cuda_write_pram(int offset, __u8 data) #define cuda_write_pram NULL #endif -#ifdef CONFIG_ADB_PMU68K +#if 0 /* def CONFIG_ADB_PMU68K */ static long pmu_read_time(void) { struct adb_request req; @@ -148,7 +148,7 @@ static void pmu_write_pram(int offset, __u8 data) #define pmu_write_pram NULL #endif -#ifdef CONFIG_ADB_MACIISI +#if 0 /* def CONFIG_ADB_MACIISI */ extern int maciisi_request(struct adb_request *req, void (*done)(struct adb_request *), int nbytes, ...); @@ -717,13 +717,18 @@ int mac_hwclk(int op, struct rtc_time *t) unmktime(now, 0, &t->tm_year, &t->tm_mon, &t->tm_mday, &t->tm_hour, &t->tm_min, &t->tm_sec); +#if 0 printk("mac_hwclk: read %04d-%02d-%-2d %02d:%02d:%02d\n", - t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec); + t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, + t->tm_hour, t->tm_min, t->tm_sec); +#endif } else { /* write */ +#if 0 printk("mac_hwclk: tried to write %04d-%02d-%-2d %02d:%02d:%02d\n", - t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec); + t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, + t->tm_hour, t->tm_min, t->tm_sec); +#endif -#if 0 /* it trashes my rtc */ now = mktime(t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec); @@ -742,7 +747,6 @@ int mac_hwclk(int op, struct rtc_time *t) case MAC_ADB_IISI: maciisi_write_time(now); } -#endif } return 0; } diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c index 43d83e0..8426501 100644 --- a/arch/m68k/mac/oss.c +++ b/arch/m68k/mac/oss.c @@ -21,7 +21,6 @@ #include <linux/init.h> #include <asm/bootinfo.h> -#include <asm/machw.h> #include <asm/macintosh.h> #include <asm/macints.h> #include <asm/mac_via.h> diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index 1bdb03c..f01d418 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -32,15 +32,10 @@ #include <asm/bootinfo.h> #include <asm/macintosh.h> #include <asm/macints.h> -#include <asm/machw.h> #include <asm/mac_via.h> #include <asm/mac_psc.h> volatile __u8 *via1, *via2; -#if 0 -/* See note in mac_via.h about how this is possibly not useful */ -volatile long *via_memory_bogon=(long *)&via_memory_bogon; -#endif int rbv_present; int via_alt_mapping; EXPORT_SYMBOL(via_alt_mapping); @@ -66,7 +61,7 @@ static int gIER,gIFR,gBufA,gBufB; #define MAC_CLOCK_LOW (MAC_CLOCK_TICK&0xFF) #define MAC_CLOCK_HIGH (MAC_CLOCK_TICK>>8) -/* To disable a NuBus slot on Quadras we make the slot IRQ lines outputs, set +/* To disable a NuBus slot on Quadras we make that slot IRQ line an output set * high. On RBV we just use the slot interrupt enable register. On Macs with * genuine VIA chips we must use nubus_disabled to keep track of disabled slot * interrupts. When any slot IRQ is disabled we mask the (edge triggered) CA1 @@ -180,7 +175,7 @@ void __init via_init(void) via1[vT1CH] = 0; via1[vT2CL] = 0; via1[vT2CH] = 0; - via1[vACR] &= 0x3F; + via1[vACR] &= ~0xC0; /* setup T1 timer with no PB7 output */ via1[vACR] &= ~0x03; /* disable port A & B latches */ /* @@ -203,40 +198,41 @@ void __init via_init(void) /* Everything below this point is VIA2/RBV only... */ - if (oss_present) return; + if (oss_present) + return; -#if 1 /* Some machines support an alternate IRQ mapping that spreads */ /* Ethernet and Sound out to their own autolevel IRQs and moves */ /* VIA1 to level 6. A/UX uses this mapping and we do too. Note */ /* that the IIfx emulates this alternate mapping using the OSS. */ - switch(macintosh_config->ident) { - case MAC_MODEL_P475: - case MAC_MODEL_P475F: - case MAC_MODEL_P575: - case MAC_MODEL_Q605: - case MAC_MODEL_Q605_ACC: - case MAC_MODEL_C610: - case MAC_MODEL_Q610: - case MAC_MODEL_Q630: - case MAC_MODEL_C650: - case MAC_MODEL_Q650: - case MAC_MODEL_Q700: - case MAC_MODEL_Q800: - case MAC_MODEL_Q900: - case MAC_MODEL_Q950: + via_alt_mapping = 0; + if (macintosh_config->via_type == MAC_VIA_QUADRA) + switch (macintosh_config->ident) { + case MAC_MODEL_C660: + case MAC_MODEL_Q840: + /* not applicable */ + break; + case MAC_MODEL_P588: + case MAC_MODEL_TV: + case MAC_MODEL_PB140: + case MAC_MODEL_PB145: + case MAC_MODEL_PB160: + case MAC_MODEL_PB165: + case MAC_MODEL_PB165C: + case MAC_MODEL_PB170: + case MAC_MODEL_PB180: + case MAC_MODEL_PB180C: + case MAC_MODEL_PB190: + case MAC_MODEL_PB520: + /* not yet tested */ + break; + default: via_alt_mapping = 1; via1[vDirB] |= 0x40; via1[vBufB] &= ~0x40; break; - default: - via_alt_mapping = 0; - break; - } -#else - via_alt_mapping = 0; -#endif + } /* * Now initialize VIA2. For RBV we just kill all interrupts; @@ -252,14 +248,17 @@ void __init via_init(void) via2[vT1CH] = 0; via2[vT2CL] = 0; via2[vT2CH] = 0; - via2[vACR] &= 0x3F; + via2[vACR] &= ~0xC0; /* setup T1 timer with no PB7 output */ via2[vACR] &= ~0x03; /* disable port A & B latches */ } /* - * Set vPCR for SCSI interrupts (but not on RBV) + * Set vPCR for control line interrupts (but not on RBV) */ if (!rbv_present) { + /* For all VIA types, CA1 (SLOTS IRQ) and CB1 (ASC IRQ) + * are made negative edge triggered here. + */ if (macintosh_config->scsi_type == MAC_SCSI_OLD) { /* CB2 (IRQ) indep. input, positive edge */ /* CA2 (DRQ) indep. input, positive edge */ @@ -466,21 +465,6 @@ irqreturn_t via1_irq(int irq, void *dev_id) ++irq_num; irq_bit <<= 1; } while (events >= irq_bit); - -#if 0 /* freakin' pmu is doing weird stuff */ - if (!oss_present) { - /* This (still) seems to be necessary to get IDE - working. However, if you enable VBL interrupts, - you're screwed... */ - /* FIXME: should we check the SLOTIRQ bit before - pulling this stunt? */ - /* No, it won't be set. that's why we're doing this. */ - via_irq_disable(IRQ_MAC_NUBUS); - via_irq_clear(IRQ_MAC_NUBUS); - m68k_handle_int(IRQ_MAC_NUBUS); - via_irq_enable(IRQ_MAC_NUBUS); - } -#endif return IRQ_HANDLED; } |