|  | /* | 
|  | *	linux/arch/alpha/kernel/sys_dp264.c | 
|  | * | 
|  | *	Copyright (C) 1995 David A Rusling | 
|  | *	Copyright (C) 1996, 1999 Jay A Estabrook | 
|  | *	Copyright (C) 1998, 1999 Richard Henderson | 
|  | * | 
|  | *	Modified by Christopher C. Chimelis, 2001 to | 
|  | *	add support for the addition of Shark to the | 
|  | *	Tsunami family. | 
|  | * | 
|  | * Code supporting the DP264 (EV6+TSUNAMI). | 
|  | */ | 
|  |  | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/types.h> | 
|  | #include <linux/mm.h> | 
|  | #include <linux/sched.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/bitops.h> | 
|  |  | 
|  | #include <asm/ptrace.h> | 
|  | #include <asm/system.h> | 
|  | #include <asm/dma.h> | 
|  | #include <asm/irq.h> | 
|  | #include <asm/mmu_context.h> | 
|  | #include <asm/io.h> | 
|  | #include <asm/pgtable.h> | 
|  | #include <asm/core_tsunami.h> | 
|  | #include <asm/hwrpb.h> | 
|  | #include <asm/tlbflush.h> | 
|  |  | 
|  | #include "proto.h" | 
|  | #include "irq_impl.h" | 
|  | #include "pci_impl.h" | 
|  | #include "machvec_impl.h" | 
|  |  | 
|  |  | 
|  | /* Note mask bit is true for ENABLED irqs.  */ | 
|  | static unsigned long cached_irq_mask; | 
|  | /* dp264 boards handle at max four CPUs */ | 
|  | static unsigned long cpu_irq_affinity[4] = { 0UL, 0UL, 0UL, 0UL }; | 
|  |  | 
|  | DEFINE_SPINLOCK(dp264_irq_lock); | 
|  |  | 
|  | static void | 
|  | tsunami_update_irq_hw(unsigned long mask) | 
|  | { | 
|  | register tsunami_cchip *cchip = TSUNAMI_cchip; | 
|  | unsigned long isa_enable = 1UL << 55; | 
|  | register int bcpu = boot_cpuid; | 
|  |  | 
|  | #ifdef CONFIG_SMP | 
|  | volatile unsigned long *dim0, *dim1, *dim2, *dim3; | 
|  | unsigned long mask0, mask1, mask2, mask3, dummy; | 
|  |  | 
|  | mask &= ~isa_enable; | 
|  | mask0 = mask & cpu_irq_affinity[0]; | 
|  | mask1 = mask & cpu_irq_affinity[1]; | 
|  | mask2 = mask & cpu_irq_affinity[2]; | 
|  | mask3 = mask & cpu_irq_affinity[3]; | 
|  |  | 
|  | if (bcpu == 0) mask0 |= isa_enable; | 
|  | else if (bcpu == 1) mask1 |= isa_enable; | 
|  | else if (bcpu == 2) mask2 |= isa_enable; | 
|  | else mask3 |= isa_enable; | 
|  |  | 
|  | dim0 = &cchip->dim0.csr; | 
|  | dim1 = &cchip->dim1.csr; | 
|  | dim2 = &cchip->dim2.csr; | 
|  | dim3 = &cchip->dim3.csr; | 
|  | if (!cpu_possible(0)) dim0 = &dummy; | 
|  | if (!cpu_possible(1)) dim1 = &dummy; | 
|  | if (!cpu_possible(2)) dim2 = &dummy; | 
|  | if (!cpu_possible(3)) dim3 = &dummy; | 
|  |  | 
|  | *dim0 = mask0; | 
|  | *dim1 = mask1; | 
|  | *dim2 = mask2; | 
|  | *dim3 = mask3; | 
|  | mb(); | 
|  | *dim0; | 
|  | *dim1; | 
|  | *dim2; | 
|  | *dim3; | 
|  | #else | 
|  | volatile unsigned long *dimB; | 
|  | if (bcpu == 0) dimB = &cchip->dim0.csr; | 
|  | else if (bcpu == 1) dimB = &cchip->dim1.csr; | 
|  | else if (bcpu == 2) dimB = &cchip->dim2.csr; | 
|  | else dimB = &cchip->dim3.csr; | 
|  |  | 
|  | *dimB = mask | isa_enable; | 
|  | mb(); | 
|  | *dimB; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static void | 
|  | dp264_enable_irq(unsigned int irq) | 
|  | { | 
|  | spin_lock(&dp264_irq_lock); | 
|  | cached_irq_mask |= 1UL << irq; | 
|  | tsunami_update_irq_hw(cached_irq_mask); | 
|  | spin_unlock(&dp264_irq_lock); | 
|  | } | 
|  |  | 
|  | static void | 
|  | dp264_disable_irq(unsigned int irq) | 
|  | { | 
|  | spin_lock(&dp264_irq_lock); | 
|  | cached_irq_mask &= ~(1UL << irq); | 
|  | tsunami_update_irq_hw(cached_irq_mask); | 
|  | spin_unlock(&dp264_irq_lock); | 
|  | } | 
|  |  | 
|  | static unsigned int | 
|  | dp264_startup_irq(unsigned int irq) | 
|  | { | 
|  | dp264_enable_irq(irq); | 
|  | return 0; /* never anything pending */ | 
|  | } | 
|  |  | 
|  | static void | 
|  | dp264_end_irq(unsigned int irq) | 
|  | { | 
|  | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | 
|  | dp264_enable_irq(irq); | 
|  | } | 
|  |  | 
|  | static void | 
|  | clipper_enable_irq(unsigned int irq) | 
|  | { | 
|  | spin_lock(&dp264_irq_lock); | 
|  | cached_irq_mask |= 1UL << (irq - 16); | 
|  | tsunami_update_irq_hw(cached_irq_mask); | 
|  | spin_unlock(&dp264_irq_lock); | 
|  | } | 
|  |  | 
|  | static void | 
|  | clipper_disable_irq(unsigned int irq) | 
|  | { | 
|  | spin_lock(&dp264_irq_lock); | 
|  | cached_irq_mask &= ~(1UL << (irq - 16)); | 
|  | tsunami_update_irq_hw(cached_irq_mask); | 
|  | spin_unlock(&dp264_irq_lock); | 
|  | } | 
|  |  | 
|  | static unsigned int | 
|  | clipper_startup_irq(unsigned int irq) | 
|  | { | 
|  | clipper_enable_irq(irq); | 
|  | return 0; /* never anything pending */ | 
|  | } | 
|  |  | 
|  | static void | 
|  | clipper_end_irq(unsigned int irq) | 
|  | { | 
|  | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | 
|  | clipper_enable_irq(irq); | 
|  | } | 
|  |  | 
|  | static void | 
|  | cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) | 
|  | { | 
|  | int cpu; | 
|  |  | 
|  | for (cpu = 0; cpu < 4; cpu++) { | 
|  | unsigned long aff = cpu_irq_affinity[cpu]; | 
|  | if (cpu_isset(cpu, affinity)) | 
|  | aff |= 1UL << irq; | 
|  | else | 
|  | aff &= ~(1UL << irq); | 
|  | cpu_irq_affinity[cpu] = aff; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | dp264_set_affinity(unsigned int irq, cpumask_t affinity) | 
|  | { | 
|  | spin_lock(&dp264_irq_lock); | 
|  | cpu_set_irq_affinity(irq, affinity); | 
|  | tsunami_update_irq_hw(cached_irq_mask); | 
|  | spin_unlock(&dp264_irq_lock); | 
|  | } | 
|  |  | 
|  | static void | 
|  | clipper_set_affinity(unsigned int irq, cpumask_t affinity) | 
|  | { | 
|  | spin_lock(&dp264_irq_lock); | 
|  | cpu_set_irq_affinity(irq - 16, affinity); | 
|  | tsunami_update_irq_hw(cached_irq_mask); | 
|  | spin_unlock(&dp264_irq_lock); | 
|  | } | 
|  |  | 
|  | static struct hw_interrupt_type dp264_irq_type = { | 
|  | .typename	= "DP264", | 
|  | .startup	= dp264_startup_irq, | 
|  | .shutdown	= dp264_disable_irq, | 
|  | .enable		= dp264_enable_irq, | 
|  | .disable	= dp264_disable_irq, | 
|  | .ack		= dp264_disable_irq, | 
|  | .end		= dp264_end_irq, | 
|  | .set_affinity	= dp264_set_affinity, | 
|  | }; | 
|  |  | 
|  | static struct hw_interrupt_type clipper_irq_type = { | 
|  | .typename	= "CLIPPER", | 
|  | .startup	= clipper_startup_irq, | 
|  | .shutdown	= clipper_disable_irq, | 
|  | .enable		= clipper_enable_irq, | 
|  | .disable	= clipper_disable_irq, | 
|  | .ack		= clipper_disable_irq, | 
|  | .end		= clipper_end_irq, | 
|  | .set_affinity	= clipper_set_affinity, | 
|  | }; | 
|  |  | 
|  | static void | 
|  | dp264_device_interrupt(unsigned long vector) | 
|  | { | 
|  | #if 1 | 
|  | printk("dp264_device_interrupt: NOT IMPLEMENTED YET!! \n"); | 
|  | #else | 
|  | unsigned long pld; | 
|  | unsigned int i; | 
|  |  | 
|  | /* Read the interrupt summary register of TSUNAMI */ | 
|  | pld = TSUNAMI_cchip->dir0.csr; | 
|  |  | 
|  | /* | 
|  | * Now for every possible bit set, work through them and call | 
|  | * the appropriate interrupt handler. | 
|  | */ | 
|  | while (pld) { | 
|  | i = ffz(~pld); | 
|  | pld &= pld - 1; /* clear least bit set */ | 
|  | if (i == 55) | 
|  | isa_device_interrupt(vector); | 
|  | else | 
|  | handle_irq(16 + i); | 
|  | #if 0 | 
|  | TSUNAMI_cchip->dir0.csr = 1UL << i; mb(); | 
|  | tmp = TSUNAMI_cchip->dir0.csr; | 
|  | #endif | 
|  | } | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static void | 
|  | dp264_srm_device_interrupt(unsigned long vector) | 
|  | { | 
|  | int irq; | 
|  |  | 
|  | irq = (vector - 0x800) >> 4; | 
|  |  | 
|  | /* | 
|  | * The SRM console reports PCI interrupts with a vector calculated by: | 
|  | * | 
|  | *	0x900 + (0x10 * DRIR-bit) | 
|  | * | 
|  | * So bit 16 shows up as IRQ 32, etc. | 
|  | * | 
|  | * On DP264/BRICK/MONET, we adjust it down by 16 because at least | 
|  | * that many of the low order bits of the DRIR are not used, and | 
|  | * so we don't count them. | 
|  | */ | 
|  | if (irq >= 32) | 
|  | irq -= 16; | 
|  |  | 
|  | handle_irq(irq); | 
|  | } | 
|  |  | 
|  | static void | 
|  | clipper_srm_device_interrupt(unsigned long vector) | 
|  | { | 
|  | int irq; | 
|  |  | 
|  | irq = (vector - 0x800) >> 4; | 
|  |  | 
|  | /* | 
|  | * The SRM console reports PCI interrupts with a vector calculated by: | 
|  | * | 
|  | *	0x900 + (0x10 * DRIR-bit) | 
|  | * | 
|  | * So bit 16 shows up as IRQ 32, etc. | 
|  | * | 
|  | * CLIPPER uses bits 8-47 for PCI interrupts, so we do not need | 
|  | * to scale down the vector reported, we just use it. | 
|  | * | 
|  | * Eg IRQ 24 is DRIR bit 8, etc, etc | 
|  | */ | 
|  | handle_irq(irq); | 
|  | } | 
|  |  | 
|  | static void __init | 
|  | init_tsunami_irqs(struct hw_interrupt_type * ops, int imin, int imax) | 
|  | { | 
|  | long i; | 
|  | for (i = imin; i <= imax; ++i) { | 
|  | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 
|  | irq_desc[i].chip = ops; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void __init | 
|  | dp264_init_irq(void) | 
|  | { | 
|  | outb(0, DMA1_RESET_REG); | 
|  | outb(0, DMA2_RESET_REG); | 
|  | outb(DMA_MODE_CASCADE, DMA2_MODE_REG); | 
|  | outb(0, DMA2_MASK_REG); | 
|  |  | 
|  | if (alpha_using_srm) | 
|  | alpha_mv.device_interrupt = dp264_srm_device_interrupt; | 
|  |  | 
|  | tsunami_update_irq_hw(0); | 
|  |  | 
|  | init_i8259a_irqs(); | 
|  | init_tsunami_irqs(&dp264_irq_type, 16, 47); | 
|  | } | 
|  |  | 
|  | static void __init | 
|  | clipper_init_irq(void) | 
|  | { | 
|  | outb(0, DMA1_RESET_REG); | 
|  | outb(0, DMA2_RESET_REG); | 
|  | outb(DMA_MODE_CASCADE, DMA2_MODE_REG); | 
|  | outb(0, DMA2_MASK_REG); | 
|  |  | 
|  | if (alpha_using_srm) | 
|  | alpha_mv.device_interrupt = clipper_srm_device_interrupt; | 
|  |  | 
|  | tsunami_update_irq_hw(0); | 
|  |  | 
|  | init_i8259a_irqs(); | 
|  | init_tsunami_irqs(&clipper_irq_type, 24, 63); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * PCI Fixup configuration. | 
|  | * | 
|  | * Summary @ TSUNAMI_CSR_DIM0: | 
|  | * Bit      Meaning | 
|  | * 0-17     Unused | 
|  | *18        Interrupt SCSI B (Adaptec 7895 builtin) | 
|  | *19        Interrupt SCSI A (Adaptec 7895 builtin) | 
|  | *20        Interrupt Line D from slot 2 PCI0 | 
|  | *21        Interrupt Line C from slot 2 PCI0 | 
|  | *22        Interrupt Line B from slot 2 PCI0 | 
|  | *23        Interrupt Line A from slot 2 PCI0 | 
|  | *24        Interrupt Line D from slot 1 PCI0 | 
|  | *25        Interrupt Line C from slot 1 PCI0 | 
|  | *26        Interrupt Line B from slot 1 PCI0 | 
|  | *27        Interrupt Line A from slot 1 PCI0 | 
|  | *28        Interrupt Line D from slot 0 PCI0 | 
|  | *29        Interrupt Line C from slot 0 PCI0 | 
|  | *30        Interrupt Line B from slot 0 PCI0 | 
|  | *31        Interrupt Line A from slot 0 PCI0 | 
|  | * | 
|  | *32        Interrupt Line D from slot 3 PCI1 | 
|  | *33        Interrupt Line C from slot 3 PCI1 | 
|  | *34        Interrupt Line B from slot 3 PCI1 | 
|  | *35        Interrupt Line A from slot 3 PCI1 | 
|  | *36        Interrupt Line D from slot 2 PCI1 | 
|  | *37        Interrupt Line C from slot 2 PCI1 | 
|  | *38        Interrupt Line B from slot 2 PCI1 | 
|  | *39        Interrupt Line A from slot 2 PCI1 | 
|  | *40        Interrupt Line D from slot 1 PCI1 | 
|  | *41        Interrupt Line C from slot 1 PCI1 | 
|  | *42        Interrupt Line B from slot 1 PCI1 | 
|  | *43        Interrupt Line A from slot 1 PCI1 | 
|  | *44        Interrupt Line D from slot 0 PCI1 | 
|  | *45        Interrupt Line C from slot 0 PCI1 | 
|  | *46        Interrupt Line B from slot 0 PCI1 | 
|  | *47        Interrupt Line A from slot 0 PCI1 | 
|  | *48-52     Unused | 
|  | *53        PCI0 NMI (from Cypress) | 
|  | *54        PCI0 SMI INT (from Cypress) | 
|  | *55        PCI0 ISA Interrupt (from Cypress) | 
|  | *56-60     Unused | 
|  | *61        PCI1 Bus Error | 
|  | *62        PCI0 Bus Error | 
|  | *63        Reserved | 
|  | * | 
|  | * IdSel | 
|  | *   5	 Cypress Bridge I/O | 
|  | *   6	 SCSI Adaptec builtin | 
|  | *   7	 64 bit PCI option slot 0 (all busses) | 
|  | *   8	 64 bit PCI option slot 1 (all busses) | 
|  | *   9	 64 bit PCI option slot 2 (all busses) | 
|  | *  10	 64 bit PCI option slot 3 (not bus 0) | 
|  | */ | 
|  |  | 
|  | static int __init | 
|  | isa_irq_fixup(struct pci_dev *dev, int irq) | 
|  | { | 
|  | u8 irq8; | 
|  |  | 
|  | if (irq > 0) | 
|  | return irq; | 
|  |  | 
|  | /* This interrupt is routed via ISA bridge, so we'll | 
|  | just have to trust whatever value the console might | 
|  | have assigned.  */ | 
|  | pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8); | 
|  |  | 
|  | return irq8 & 0xf; | 
|  | } | 
|  |  | 
|  | static int __init | 
|  | dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 
|  | { | 
|  | static char irq_tab[6][5] __initdata = { | 
|  | /*INT    INTA   INTB   INTC   INTD */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 5 ISA Bridge */ | 
|  | { 16+ 3, 16+ 3, 16+ 2, 16+ 2, 16+ 2}, /* IdSel 6 SCSI builtin*/ | 
|  | { 16+15, 16+15, 16+14, 16+13, 16+12}, /* IdSel 7 slot 0 */ | 
|  | { 16+11, 16+11, 16+10, 16+ 9, 16+ 8}, /* IdSel 8 slot 1 */ | 
|  | { 16+ 7, 16+ 7, 16+ 6, 16+ 5, 16+ 4}, /* IdSel 9 slot 2 */ | 
|  | { 16+ 3, 16+ 3, 16+ 2, 16+ 1, 16+ 0}  /* IdSel 10 slot 3 */ | 
|  | }; | 
|  | const long min_idsel = 5, max_idsel = 10, irqs_per_slot = 5; | 
|  | struct pci_controller *hose = dev->sysdata; | 
|  | int irq = COMMON_TABLE_LOOKUP; | 
|  |  | 
|  | if (irq > 0) | 
|  | irq += 16 * hose->index; | 
|  |  | 
|  | return isa_irq_fixup(dev, irq); | 
|  | } | 
|  |  | 
|  | static int __init | 
|  | monet_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 
|  | { | 
|  | static char irq_tab[13][5] __initdata = { | 
|  | /*INT    INTA   INTB   INTC   INTD */ | 
|  | {    45,    45,    45,    45,    45}, /* IdSel 3 21143 PCI1 */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 4 unused */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 5 unused */ | 
|  | {    47,    47,    47,    47,    47}, /* IdSel 6 SCSI PCI1 */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 7 ISA Bridge */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 8 P2P PCI1 */ | 
|  | #if 1 | 
|  | {    28,    28,    29,    30,    31}, /* IdSel 14 slot 4 PCI2*/ | 
|  | {    24,    24,    25,    26,    27}, /* IdSel 15 slot 5 PCI2*/ | 
|  | #else | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 9 unused */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 10 unused */ | 
|  | #endif | 
|  | {    40,    40,    41,    42,    43}, /* IdSel 11 slot 1 PCI0*/ | 
|  | {    36,    36,    37,    38,    39}, /* IdSel 12 slot 2 PCI0*/ | 
|  | {    32,    32,    33,    34,    35}, /* IdSel 13 slot 3 PCI0*/ | 
|  | {    28,    28,    29,    30,    31}, /* IdSel 14 slot 4 PCI2*/ | 
|  | {    24,    24,    25,    26,    27}  /* IdSel 15 slot 5 PCI2*/ | 
|  | }; | 
|  | const long min_idsel = 3, max_idsel = 15, irqs_per_slot = 5; | 
|  |  | 
|  | return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP); | 
|  | } | 
|  |  | 
|  | static u8 __init | 
|  | monet_swizzle(struct pci_dev *dev, u8 *pinp) | 
|  | { | 
|  | struct pci_controller *hose = dev->sysdata; | 
|  | int slot, pin = *pinp; | 
|  |  | 
|  | if (!dev->bus->parent) { | 
|  | slot = PCI_SLOT(dev->devfn); | 
|  | } | 
|  | /* Check for the built-in bridge on hose 1. */ | 
|  | else if (hose->index == 1 && PCI_SLOT(dev->bus->self->devfn) == 8) { | 
|  | slot = PCI_SLOT(dev->devfn); | 
|  | } else { | 
|  | /* Must be a card-based bridge.  */ | 
|  | do { | 
|  | /* Check for built-in bridge on hose 1. */ | 
|  | if (hose->index == 1 && | 
|  | PCI_SLOT(dev->bus->self->devfn) == 8) { | 
|  | slot = PCI_SLOT(dev->devfn); | 
|  | break; | 
|  | } | 
|  | pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ; | 
|  |  | 
|  | /* Move up the chain of bridges.  */ | 
|  | dev = dev->bus->self; | 
|  | /* Slot of the next bridge.  */ | 
|  | slot = PCI_SLOT(dev->devfn); | 
|  | } while (dev->bus->self); | 
|  | } | 
|  | *pinp = pin; | 
|  | return slot; | 
|  | } | 
|  |  | 
|  | static int __init | 
|  | webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 
|  | { | 
|  | static char irq_tab[13][5] __initdata = { | 
|  | /*INT    INTA   INTB   INTC   INTD */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 7 ISA Bridge */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 8 unused */ | 
|  | {    29,    29,    29,    29,    29}, /* IdSel 9 21143 #1 */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 10 unused */ | 
|  | {    30,    30,    30,    30,    30}, /* IdSel 11 21143 #2 */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 12 unused */ | 
|  | {    -1,    -1,    -1,    -1,    -1}, /* IdSel 13 unused */ | 
|  | {    35,    35,    34,    33,    32}, /* IdSel 14 slot 0 */ | 
|  | {    39,    39,    38,    37,    36}, /* IdSel 15 slot 1 */ | 
|  | {    43,    43,    42,    41,    40}, /* IdSel 16 slot 2 */ | 
|  | {    47,    47,    46,    45,    44}, /* IdSel 17 slot 3 */ | 
|  | }; | 
|  | const long min_idsel = 7, max_idsel = 17, irqs_per_slot = 5; | 
|  |  | 
|  | return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP); | 
|  | } | 
|  |  | 
|  | static int __init | 
|  | clipper_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 
|  | { | 
|  | static char irq_tab[7][5] __initdata = { | 
|  | /*INT    INTA   INTB   INTC   INTD */ | 
|  | { 16+ 8, 16+ 8, 16+ 9, 16+10, 16+11}, /* IdSel 1 slot 1 */ | 
|  | { 16+12, 16+12, 16+13, 16+14, 16+15}, /* IdSel 2 slot 2 */ | 
|  | { 16+16, 16+16, 16+17, 16+18, 16+19}, /* IdSel 3 slot 3 */ | 
|  | { 16+20, 16+20, 16+21, 16+22, 16+23}, /* IdSel 4 slot 4 */ | 
|  | { 16+24, 16+24, 16+25, 16+26, 16+27}, /* IdSel 5 slot 5 */ | 
|  | { 16+28, 16+28, 16+29, 16+30, 16+31}, /* IdSel 6 slot 6 */ | 
|  | {    -1,    -1,    -1,    -1,    -1}  /* IdSel 7 ISA Bridge */ | 
|  | }; | 
|  | const long min_idsel = 1, max_idsel = 7, irqs_per_slot = 5; | 
|  | struct pci_controller *hose = dev->sysdata; | 
|  | int irq = COMMON_TABLE_LOOKUP; | 
|  |  | 
|  | if (irq > 0) | 
|  | irq += 16 * hose->index; | 
|  |  | 
|  | return isa_irq_fixup(dev, irq); | 
|  | } | 
|  |  | 
|  | static void __init | 
|  | dp264_init_pci(void) | 
|  | { | 
|  | common_init_pci(); | 
|  | SMC669_Init(0); | 
|  | locate_and_init_vga(NULL); | 
|  | } | 
|  |  | 
|  | static void __init | 
|  | monet_init_pci(void) | 
|  | { | 
|  | common_init_pci(); | 
|  | SMC669_Init(1); | 
|  | es1888_init(); | 
|  | locate_and_init_vga(NULL); | 
|  | } | 
|  |  | 
|  | static void __init | 
|  | clipper_init_pci(void) | 
|  | { | 
|  | common_init_pci(); | 
|  | locate_and_init_vga(NULL); | 
|  | } | 
|  |  | 
|  | static void __init | 
|  | webbrick_init_arch(void) | 
|  | { | 
|  | tsunami_init_arch(); | 
|  |  | 
|  | /* Tsunami caches 4 PTEs at a time; DS10 has only 1 hose. */ | 
|  | hose_head->sg_isa->align_entry = 4; | 
|  | hose_head->sg_pci->align_entry = 4; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * The System Vectors | 
|  | */ | 
|  |  | 
|  | struct alpha_machine_vector dp264_mv __initmv = { | 
|  | .vector_name		= "DP264", | 
|  | DO_EV6_MMU, | 
|  | DO_DEFAULT_RTC, | 
|  | DO_TSUNAMI_IO, | 
|  | .machine_check		= tsunami_machine_check, | 
|  | .max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS, | 
|  | .min_io_address		= DEFAULT_IO_BASE, | 
|  | .min_mem_address	= DEFAULT_MEM_BASE, | 
|  | .pci_dac_offset		= TSUNAMI_DAC_OFFSET, | 
|  |  | 
|  | .nr_irqs		= 64, | 
|  | .device_interrupt	= dp264_device_interrupt, | 
|  |  | 
|  | .init_arch		= tsunami_init_arch, | 
|  | .init_irq		= dp264_init_irq, | 
|  | .init_rtc		= common_init_rtc, | 
|  | .init_pci		= dp264_init_pci, | 
|  | .kill_arch		= tsunami_kill_arch, | 
|  | .pci_map_irq		= dp264_map_irq, | 
|  | .pci_swizzle		= common_swizzle, | 
|  | }; | 
|  | ALIAS_MV(dp264) | 
|  |  | 
|  | struct alpha_machine_vector monet_mv __initmv = { | 
|  | .vector_name		= "Monet", | 
|  | DO_EV6_MMU, | 
|  | DO_DEFAULT_RTC, | 
|  | DO_TSUNAMI_IO, | 
|  | .machine_check		= tsunami_machine_check, | 
|  | .max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS, | 
|  | .min_io_address		= DEFAULT_IO_BASE, | 
|  | .min_mem_address	= DEFAULT_MEM_BASE, | 
|  | .pci_dac_offset		= TSUNAMI_DAC_OFFSET, | 
|  |  | 
|  | .nr_irqs		= 64, | 
|  | .device_interrupt	= dp264_device_interrupt, | 
|  |  | 
|  | .init_arch		= tsunami_init_arch, | 
|  | .init_irq		= dp264_init_irq, | 
|  | .init_rtc		= common_init_rtc, | 
|  | .init_pci		= monet_init_pci, | 
|  | .kill_arch		= tsunami_kill_arch, | 
|  | .pci_map_irq		= monet_map_irq, | 
|  | .pci_swizzle		= monet_swizzle, | 
|  | }; | 
|  |  | 
|  | struct alpha_machine_vector webbrick_mv __initmv = { | 
|  | .vector_name		= "Webbrick", | 
|  | DO_EV6_MMU, | 
|  | DO_DEFAULT_RTC, | 
|  | DO_TSUNAMI_IO, | 
|  | .machine_check		= tsunami_machine_check, | 
|  | .max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS, | 
|  | .min_io_address		= DEFAULT_IO_BASE, | 
|  | .min_mem_address	= DEFAULT_MEM_BASE, | 
|  | .pci_dac_offset		= TSUNAMI_DAC_OFFSET, | 
|  |  | 
|  | .nr_irqs		= 64, | 
|  | .device_interrupt	= dp264_device_interrupt, | 
|  |  | 
|  | .init_arch		= webbrick_init_arch, | 
|  | .init_irq		= dp264_init_irq, | 
|  | .init_rtc		= common_init_rtc, | 
|  | .init_pci		= common_init_pci, | 
|  | .kill_arch		= tsunami_kill_arch, | 
|  | .pci_map_irq		= webbrick_map_irq, | 
|  | .pci_swizzle		= common_swizzle, | 
|  | }; | 
|  |  | 
|  | struct alpha_machine_vector clipper_mv __initmv = { | 
|  | .vector_name		= "Clipper", | 
|  | DO_EV6_MMU, | 
|  | DO_DEFAULT_RTC, | 
|  | DO_TSUNAMI_IO, | 
|  | .machine_check		= tsunami_machine_check, | 
|  | .max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS, | 
|  | .min_io_address		= DEFAULT_IO_BASE, | 
|  | .min_mem_address	= DEFAULT_MEM_BASE, | 
|  | .pci_dac_offset		= TSUNAMI_DAC_OFFSET, | 
|  |  | 
|  | .nr_irqs		= 64, | 
|  | .device_interrupt	= dp264_device_interrupt, | 
|  |  | 
|  | .init_arch		= tsunami_init_arch, | 
|  | .init_irq		= clipper_init_irq, | 
|  | .init_rtc		= common_init_rtc, | 
|  | .init_pci		= clipper_init_pci, | 
|  | .kill_arch		= tsunami_kill_arch, | 
|  | .pci_map_irq		= clipper_map_irq, | 
|  | .pci_swizzle		= common_swizzle, | 
|  | }; | 
|  |  | 
|  | /* Sharks strongly resemble Clipper, at least as far | 
|  | * as interrupt routing, etc, so we're using the | 
|  | * same functions as Clipper does | 
|  | */ | 
|  |  | 
|  | struct alpha_machine_vector shark_mv __initmv = { | 
|  | .vector_name		= "Shark", | 
|  | DO_EV6_MMU, | 
|  | DO_DEFAULT_RTC, | 
|  | DO_TSUNAMI_IO, | 
|  | .machine_check		= tsunami_machine_check, | 
|  | .max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS, | 
|  | .min_io_address		= DEFAULT_IO_BASE, | 
|  | .min_mem_address	= DEFAULT_MEM_BASE, | 
|  | .pci_dac_offset		= TSUNAMI_DAC_OFFSET, | 
|  |  | 
|  | .nr_irqs		= 64, | 
|  | .device_interrupt	= dp264_device_interrupt, | 
|  |  | 
|  | .init_arch		= tsunami_init_arch, | 
|  | .init_irq		= clipper_init_irq, | 
|  | .init_rtc		= common_init_rtc, | 
|  | .init_pci		= common_init_pci, | 
|  | .kill_arch		= tsunami_kill_arch, | 
|  | .pci_map_irq		= clipper_map_irq, | 
|  | .pci_swizzle		= common_swizzle, | 
|  | }; | 
|  |  | 
|  | /* No alpha_mv alias for webbrick/monet/clipper, since we compile them | 
|  | in unconditionally with DP264; setup_arch knows how to cope.  */ |