X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fpci%2Firq.c;h=a8715861877e7648d34782b67635f8248f54610f;hb=2f633928cbba8a5858bb39b11e7219a41b0fbef5;hp=8434f2323b8700ad29e44259f2604b7bcc51f704;hpb=55982fd184a065b1c69279d29cbc01dbf424d2f4;p=linux-2.6-omap-h63xx.git diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 8434f2323b8..a8715861877 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -169,7 +169,7 @@ void eisa_set_level_irq(unsigned int irq) } /* - * Common IRQ routing practice: nybbles in config space, + * Common IRQ routing practice: nibbles in config space, * offset by some magic constant. */ static unsigned int read_config_nybble(struct pci_dev *router, unsigned offset, unsigned nr) @@ -200,6 +200,7 @@ static int pirq_ali_get(struct pci_dev *router, struct pci_dev *dev, int pirq) { static const unsigned char irqmap[16] = { 0, 9, 3, 10, 4, 5, 7, 6, 1, 11, 0, 12, 0, 14, 0, 15 }; + WARN_ON_ONCE(pirq >= 16); return irqmap[read_config_nybble(router, 0x48, pirq-1)]; } @@ -207,7 +208,8 @@ static int pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, i { static const unsigned char irqmap[16] = { 0, 8, 0, 2, 4, 5, 7, 6, 0, 1, 3, 9, 11, 0, 13, 15 }; unsigned int val = irqmap[irq]; - + + WARN_ON_ONCE(pirq >= 16); if (val) { write_config_nybble(router, 0x48, pirq-1, val); return 1; @@ -257,12 +259,16 @@ static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, i static int pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq) { static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 }; + + WARN_ON_ONCE(pirq >= 5); return read_config_nybble(router, 0x55, pirqmap[pirq-1]); } static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq) { static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 }; + + WARN_ON_ONCE(pirq >= 5); write_config_nybble(router, 0x55, pirqmap[pirq-1], irq); return 1; } @@ -275,12 +281,16 @@ static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq static int pirq_ite_get(struct pci_dev *router, struct pci_dev *dev, int pirq) { static const unsigned char pirqmap[4] = { 1, 0, 2, 3 }; + + WARN_ON_ONCE(pirq >= 4); return read_config_nybble(router,0x43, pirqmap[pirq-1]); } static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq) { static const unsigned char pirqmap[4] = { 1, 0, 2, 3 }; + + WARN_ON_ONCE(pirq >= 4); write_config_nybble(router, 0x43, pirqmap[pirq-1], irq); return 1; } @@ -419,6 +429,7 @@ static int pirq_sis_set(struct pci_dev *router, struct pci_dev *dev, int pirq, i static int pirq_vlsi_get(struct pci_dev *router, struct pci_dev *dev, int pirq) { + WARN_ON_ONCE(pirq >= 9); if (pirq > 8) { printk(KERN_INFO "VLSI router pirq escape (%d)\n", pirq); return 0; @@ -428,6 +439,7 @@ static int pirq_vlsi_get(struct pci_dev *router, struct pci_dev *dev, int pirq) static int pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq) { + WARN_ON_ONCE(pirq >= 9); if (pirq > 8) { printk(KERN_INFO "VLSI router pirq escape (%d)\n", pirq); return 0; @@ -449,14 +461,14 @@ static int pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, */ static int pirq_serverworks_get(struct pci_dev *router, struct pci_dev *dev, int pirq) { - outb_p(pirq, 0xc00); + outb(pirq, 0xc00); return inb(0xc01) & 0xf; } static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq) { - outb_p(pirq, 0xc00); - outb_p(irq, 0xc01); + outb(pirq, 0xc00); + outb(irq, 0xc01); return 1; } @@ -492,6 +504,26 @@ static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq return 1; } +/* + * PicoPower PT86C523 + */ +static int pirq_pico_get(struct pci_dev *router, struct pci_dev *dev, int pirq) +{ + outb(0x10 + ((pirq - 1) >> 1), 0x24); + return ((pirq - 1) & 1) ? (inb(0x26) >> 4) : (inb(0x26) & 0xf); +} + +static int pirq_pico_set(struct pci_dev *router, struct pci_dev *dev, int pirq, + int irq) +{ + unsigned int x; + outb(0x10 + ((pirq - 1) >> 1), 0x24); + x = inb(0x26); + x = ((pirq - 1) & 1) ? ((x & 0x0f) | (irq << 4)) : ((x & 0xf0) | (irq)); + outb(x, 0x26); + return 1; +} + #ifdef CONFIG_PCI_BIOS static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq) @@ -551,6 +583,10 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route case PCI_DEVICE_ID_INTEL_ICH9_4: case PCI_DEVICE_ID_INTEL_ICH9_5: case PCI_DEVICE_ID_INTEL_TOLAPAI_0: + case PCI_DEVICE_ID_INTEL_ICH10_0: + case PCI_DEVICE_ID_INTEL_ICH10_1: + case PCI_DEVICE_ID_INTEL_ICH10_2: + case PCI_DEVICE_ID_INTEL_ICH10_3: r->name = "PIIX/ICH"; r->get = pirq_piix_get; r->set = pirq_piix_set; @@ -565,7 +601,7 @@ static __init int via_router_probe(struct irq_router *r, /* FIXME: We should move some of the quirk fixup stuff here */ /* - * work arounds for some buggy BIOSes + * workarounds for some buggy BIOSes */ if (device == PCI_DEVICE_ID_VIA_82C586_0) { switch(router->device) { @@ -721,6 +757,24 @@ static __init int amd_router_probe(struct irq_router *r, struct pci_dev *router, return 1; } +static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device) +{ + switch (device) { + case PCI_DEVICE_ID_PICOPOWER_PT86C523: + r->name = "PicoPower PT86C523"; + r->get = pirq_pico_get; + r->set = pirq_pico_set; + return 1; + + case PCI_DEVICE_ID_PICOPOWER_PT86C523BBP: + r->name = "PicoPower PT86C523 rev. BB+"; + r->get = pirq_pico_get; + r->set = pirq_pico_set; + return 1; + } + return 0; +} + static __initdata struct irq_router_handler pirq_routers[] = { { PCI_VENDOR_ID_INTEL, intel_router_probe }, { PCI_VENDOR_ID_AL, ali_router_probe }, @@ -732,6 +786,7 @@ static __initdata struct irq_router_handler pirq_routers[] = { { PCI_VENDOR_ID_VLSI, vlsi_router_probe }, { PCI_VENDOR_ID_SERVERWORKS, serverworks_router_probe }, { PCI_VENDOR_ID_AMD, amd_router_probe }, + { PCI_VENDOR_ID_PICOPOWER, pico_router_probe }, /* Someone with docs needs to add the ATI Radeon IGP */ { 0, NULL } }; @@ -1010,7 +1065,7 @@ static void __init pcibios_fixup_irqs(void) * Work around broken HP Pavilion Notebooks which assign USB to * IRQ 9 even though it is actually wired to IRQ 11 */ -static int __init fix_broken_hp_bios_irq9(struct dmi_system_id *d) +static int __init fix_broken_hp_bios_irq9(const struct dmi_system_id *d) { if (!broken_hp_bios_irq9) { broken_hp_bios_irq9 = 1; @@ -1023,7 +1078,7 @@ static int __init fix_broken_hp_bios_irq9(struct dmi_system_id *d) * Work around broken Acer TravelMate 360 Notebooks which assign * Cardbus to IRQ 11 even though it is actually wired to IRQ 10 */ -static int __init fix_acer_tm360_irqrouting(struct dmi_system_id *d) +static int __init fix_acer_tm360_irqrouting(const struct dmi_system_id *d) { if (!acer_tm360_irqrouting) { acer_tm360_irqrouting = 1;