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x86: Allow interrupt to happen once

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At present the interrupt table is included in all phases of U-Boot. Allow
it to be omitted, e.g. in TPL, to reduce size.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-12-06 21:42:15 -07:00 committed by Bin Meng
parent 26047f6029
commit 592434139b
3 changed files with 11 additions and 9 deletions
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2
arch/x86/cpu/Makefile
View File

@ -53,7 +53,7 @@ obj-$(CONFIG_INTEL_QUARK) += quark/
obj-$(CONFIG_INTEL_QUEENSBAY) += queensbay/
obj-$(CONFIG_INTEL_TANGIER) += tangier/
obj-$(CONFIG_APIC) += lapic.o ioapic.o
obj-y += irq.o
obj-$(CONFIG_$(SPL_TPL_)X86_32BIT_INIT) += irq.o
ifndef CONFIG_$(SPL_)X86_64
obj-$(CONFIG_SMP) += mp_init.o
endif

8
arch/x86/cpu/irq.c
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@ -350,14 +350,6 @@ int irq_router_probe(struct udevice *dev)
return 0;
}
ulong write_pirq_routing_table(ulong addr)
{
if (!gd->arch.pirq_routing_table)
return addr;
return copy_pirq_routing_table(addr, gd->arch.pirq_routing_table);
}
static const struct udevice_id irq_router_ids[] = {
{ .compatible = "intel,irq-router" },
{ }

10
arch/x86/lib/pirq_routing.c
View File

@ -10,6 +10,8 @@
#include <asm/pci.h>
#include <asm/pirq_routing.h>
DECLARE_GLOBAL_DATA_PTR;
static u8 pirq_get_next_free_irq(struct udevice *dev, u8 *pirq, u16 bitmap,
bool irq_already_routed[])
{
@ -131,3 +133,11 @@ u32 copy_pirq_routing_table(u32 addr, struct irq_routing_table *rt)
return addr + rt->size;
}
ulong write_pirq_routing_table(ulong addr)
{
if (!gd->arch.pirq_routing_table)
return addr;
return copy_pirq_routing_table(addr, gd->arch.pirq_routing_table);
}