diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/Kconfig | 11 | ||||
| -rw-r--r-- | arch/x86/cpu/Makefile | 2 | ||||
| -rw-r--r-- | arch/x86/cpu/coreboot/coreboot.c | 3 | ||||
| -rw-r--r-- | arch/x86/cpu/efi/payload.c | 3 | ||||
| -rw-r--r-- | arch/x86/cpu/i386/interrupt.c | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/arch-tangier/acpi/platform.asl | 13 | ||||
| -rw-r--r-- | arch/x86/include/asm/arch-tangier/acpi/southcluster.asl | 12 | ||||
| -rw-r--r-- | arch/x86/lib/interrupts.c | 16 |
8 files changed, 46 insertions, 16 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index a1c18d26e1..e052093775 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -729,13 +729,22 @@ config PCIE_ECAM_SIZE maximum number of PCI buses as defined by the PCI specification. config I8259_PIC - bool + bool "Enable Intel 8259 compatible interrupt controller" default y help Intel 8259 ISA compatible chipset incorporates two 8259 (master and slave) interrupt controllers. Include this to have U-Boot set up the interrupt correctly. +config APIC + bool "Enable Intel Advanced Programmable Interrupt Controller" + default y + help + The (A)dvanced (P)rogrammable (I)nterrupt (C)ontroller is responsible + for catching interrupts and distributing them to one or more CPU + cores. In most cases there are some LAPICs (local) for each core and + one I/O APIC. This conjunction is found on most modern x86 systems. + config PINCTRL_ICH6 bool help diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile index f862d8c071..54668aab24 100644 --- a/arch/x86/cpu/Makefile +++ b/arch/x86/cpu/Makefile @@ -35,7 +35,7 @@ obj-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += ivybridge/ obj-$(CONFIG_INTEL_QUARK) += quark/ obj-$(CONFIG_INTEL_QUEENSBAY) += queensbay/ obj-$(CONFIG_INTEL_TANGIER) += tangier/ -obj-y += lapic.o ioapic.o +obj-$(CONFIG_APIC) += lapic.o ioapic.o obj-y += irq.o ifndef CONFIG_$(SPL_)X86_64 obj-$(CONFIG_SMP) += mp_init.o diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c index aaf0d07192..4c6ed0bfb2 100644 --- a/arch/x86/cpu/coreboot/coreboot.c +++ b/arch/x86/cpu/coreboot/coreboot.c @@ -77,7 +77,8 @@ int last_stage_init(void) timestamp_add_to_bootstage(); /* start usb so that usb keyboard can be used as input device */ - usb_init(); + if (CONFIG_IS_ENABLED(USB_KEYBOARD)) + usb_init(); board_final_cleanup(); diff --git a/arch/x86/cpu/efi/payload.c b/arch/x86/cpu/efi/payload.c index c323c7b19a..225aef7bf6 100644 --- a/arch/x86/cpu/efi/payload.c +++ b/arch/x86/cpu/efi/payload.c @@ -166,7 +166,8 @@ int reserve_arch(void) int last_stage_init(void) { /* start usb so that usb keyboard can be used as input device */ - usb_init(); + if (CONFIG_IS_ENABLED(USB_KEYBOARD)) + usb_init(); return 0; } diff --git a/arch/x86/cpu/i386/interrupt.c b/arch/x86/cpu/i386/interrupt.c index ed8423e079..1ea415b876 100644 --- a/arch/x86/cpu/i386/interrupt.c +++ b/arch/x86/cpu/i386/interrupt.c @@ -264,7 +264,9 @@ int interrupt_init(void) i8259_init(); #endif +#ifdef CONFIG_APIC lapic_setup(); +#endif /* Initialize core interrupt and exception functionality of CPU */ cpu_init_interrupts(); diff --git a/arch/x86/include/asm/arch-tangier/acpi/platform.asl b/arch/x86/include/asm/arch-tangier/acpi/platform.asl index 7abea4bb96..353b879918 100644 --- a/arch/x86/include/asm/arch-tangier/acpi/platform.asl +++ b/arch/x86/include/asm/arch-tangier/acpi/platform.asl @@ -21,6 +21,19 @@ Method(_WAK, 1) Return (Package() {0, 0}) } +Scope (_SB) +{ + /* Real Time Clock */ + Device (RTC0) + { + Name (_HID, EisaId ("PNP0B00")) + Name (_CRS, ResourceTemplate() + { + IO(Decode16, 0x70, 0x70, 0x01, 0x08) + }) + } +} + /* ACPI global NVS */ #include "global_nvs.asl" diff --git a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl index 48193ba957..e166e510cb 100644 --- a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl +++ b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl @@ -295,16 +295,16 @@ Device (PCI0) Method (_CRS, 0, Serialized) { - Name (RBUF, ResourceTemplate () + Name (RBUF, ResourceTemplate() { - UartSerialBus (0x0001C200, DataBitsEight, StopBitsOne, + UartSerialBus(0x0001C200, DataBitsEight, StopBitsOne, 0xFC, LittleEndian, ParityTypeNone, FlowControlHardware, 0x20, 0x20, "\\_SB.PCI0.HSU0", 0, ResourceConsumer, , ) - GpioInt (Level, ActiveHigh, Exclusive, PullNone, 0, + GpioInt(Level, ActiveHigh, Exclusive, PullNone, 0, "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 185 } - GpioIo (Exclusive, PullDefault, 0, 0, IoRestrictionOutputOnly, + GpioIo(Exclusive, PullDefault, 0, 0, IoRestrictionOutputOnly, "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 184 } - GpioIo (Exclusive, PullDefault, 0, 0, IoRestrictionOutputOnly, + GpioIo(Exclusive, PullDefault, 0, 0, IoRestrictionOutputOnly, "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 71 } }) Return (RBUF) @@ -328,7 +328,7 @@ Device (FLIS) Name (_DDN, "Intel Merrifield Family-Level Interface Shim") Name (RBUF, ResourceTemplate() { - Memory32Fixed(ReadWrite, 0xFF0C0000, 0x00008000, ) + Memory32Fixed(ReadWrite, 0xFF0C0000, 0x00008000) PinGroup("spi5", ResourceProducer, ) { 90, 91, 92, 93, 94, 95, 96 } PinGroup("uart0", ResourceProducer, ) { 115, 116, 117, 118 } PinGroup("uart1", ResourceProducer, ) { 119, 120, 121, 122 } diff --git a/arch/x86/lib/interrupts.c b/arch/x86/lib/interrupts.c index 297067df71..39f8deaed1 100644 --- a/arch/x86/lib/interrupts.c +++ b/arch/x86/lib/interrupts.c @@ -64,7 +64,8 @@ void irq_install_handler(int irq, interrupt_handler_t *handler, void *arg) irq_handlers[irq].arg = arg; irq_handlers[irq].count = 0; - unmask_irq(irq); + if (CONFIG_IS_ENABLED(I8259_PIC)) + unmask_irq(irq); if (status) enable_interrupts(); @@ -83,7 +84,8 @@ void irq_free_handler(int irq) status = disable_interrupts(); - mask_irq(irq); + if (CONFIG_IS_ENABLED(I8259_PIC)) + mask_irq(irq); irq_handlers[irq].handler = NULL; irq_handlers[irq].arg = NULL; @@ -104,14 +106,16 @@ void do_irq(int hw_irq) } if (irq_handlers[irq].handler) { - mask_irq(irq); + if (CONFIG_IS_ENABLED(I8259_PIC)) + mask_irq(irq); irq_handlers[irq].handler(irq_handlers[irq].arg); irq_handlers[irq].count++; - unmask_irq(irq); - specific_eoi(irq); - + if (CONFIG_IS_ENABLED(I8259_PIC)) { + unmask_irq(irq); + specific_eoi(irq); + } } else { if ((irq & 7) != 7) { spurious_irq_cnt++; |