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x86: bayleybay: Configure PCI IRQ

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Add PCI IRQ routing information in the board device tree and enable
writing PIRQ routing table and MP table.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-07-30 03:49:18 -07:00 committed by Simon Glass
parent 9b911bed78
commit fe3fbd3024
4 changed files with 74 additions and 0 deletions
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8
arch/x86/cpu/baytrail/valleyview.c
View File

@ -7,6 +7,7 @@
#include <common.h>
#include <mmc.h>
#include <pci_ids.h>
#include <asm/irq.h>
#include <asm/post.h>
static struct pci_device_id mmc_supported[] = {
@ -35,3 +36,10 @@ int arch_cpu_init(void)
return 0;
}
int arch_misc_init(void)
{
pirq_init();
return 0;
}

63
arch/x86/dts/bayleybay.dts
View File

@ -7,6 +7,7 @@
/dts-v1/;
#include <dt-bindings/gpio/x86-gpio.h>
#include <dt-bindings/interrupt-router/intel-irq.h>
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
@ -123,6 +124,68 @@
ranges = <0x02000000 0x0 0x80000000 0x80000000 0 0x40000000
0x42000000 0x0 0xc0000000 0xc0000000 0 0x20000000
0x01000000 0x0 0x2000 0x2000 0 0xe000>;
irq-router@1f,0 {
reg = <0x0000f800 0 0 0 0>;
compatible = "intel,irq-router";
intel,pirq-config = "ibase";
intel,ibase-offset = <0x50>;
intel,pirq-link = <8 8>;
intel,pirq-mask = <0xdee0>;
intel,pirq-routing = <
/* BayTrail PCI devices */
PCI_BDF(0, 2, 0) INTA PIRQA
PCI_BDF(0, 3, 0) INTA PIRQA
PCI_BDF(0, 16, 0) INTA PIRQA
PCI_BDF(0, 17, 0) INTA PIRQA
PCI_BDF(0, 18, 0) INTA PIRQA
PCI_BDF(0, 19, 0) INTA PIRQA
PCI_BDF(0, 20, 0) INTA PIRQA
PCI_BDF(0, 21, 0) INTA PIRQA
PCI_BDF(0, 22, 0) INTA PIRQA
PCI_BDF(0, 23, 0) INTA PIRQA
PCI_BDF(0, 24, 0) INTA PIRQA
PCI_BDF(0, 24, 1) INTC PIRQC
PCI_BDF(0, 24, 2) INTD PIRQD
PCI_BDF(0, 24, 3) INTB PIRQB
PCI_BDF(0, 24, 4) INTA PIRQA
PCI_BDF(0, 24, 5) INTC PIRQC
PCI_BDF(0, 24, 6) INTD PIRQD
PCI_BDF(0, 24, 7) INTB PIRQB
PCI_BDF(0, 26, 0) INTA PIRQA
PCI_BDF(0, 27, 0) INTA PIRQA
PCI_BDF(0, 28, 0) INTA PIRQA
PCI_BDF(0, 28, 1) INTB PIRQB
PCI_BDF(0, 28, 2) INTC PIRQC
PCI_BDF(0, 28, 3) INTD PIRQD
PCI_BDF(0, 29, 0) INTA PIRQA
PCI_BDF(0, 30, 0) INTA PIRQA
PCI_BDF(0, 30, 1) INTD PIRQD
PCI_BDF(0, 30, 2) INTB PIRQB
PCI_BDF(0, 30, 3) INTC PIRQC
PCI_BDF(0, 30, 4) INTD PIRQD
PCI_BDF(0, 30, 5) INTB PIRQB
PCI_BDF(0, 31, 3) INTB PIRQB
/* PCIe root ports downstream interrupts */
PCI_BDF(1, 0, 0) INTA PIRQA
PCI_BDF(1, 0, 0) INTB PIRQB
PCI_BDF(1, 0, 0) INTC PIRQC
PCI_BDF(1, 0, 0) INTD PIRQD
PCI_BDF(2, 0, 0) INTA PIRQB
PCI_BDF(2, 0, 0) INTB PIRQC
PCI_BDF(2, 0, 0) INTC PIRQD
PCI_BDF(2, 0, 0) INTD PIRQA
PCI_BDF(3, 0, 0) INTA PIRQC
PCI_BDF(3, 0, 0) INTB PIRQD
PCI_BDF(3, 0, 0) INTC PIRQA
PCI_BDF(3, 0, 0) INTD PIRQB
PCI_BDF(4, 0, 0) INTA PIRQD
PCI_BDF(4, 0, 0) INTB PIRQA
PCI_BDF(4, 0, 0) INTC PIRQB
PCI_BDF(4, 0, 0) INTD PIRQC
>;
};
};
microcode {

2
configs/bayleybay_defconfig
View File

@ -5,6 +5,8 @@ CONFIG_TARGET_BAYLEYBAY=y
CONFIG_HAVE_INTEL_ME=y
CONFIG_SMP=y
CONFIG_HAVE_VGA_BIOS=y
CONFIG_GENERATE_PIRQ_TABLE=y
CONFIG_GENERATE_MP_TABLE=y
CONFIG_CMD_CPU=y
# CONFIG_CMD_IMLS is not set
# CONFIG_CMD_FLASH is not set

1
include/configs/bayleybay.h
View File

@ -14,6 +14,7 @@
#include <configs/x86-common.h>
#define CONFIG_SYS_MONITOR_LEN (1 << 20)
#define CONFIG_ARCH_MISC_INIT
#define CONFIG_X86_SERIAL