In Baytrail and Quark support code acpi_fill_madt() is identical.

Deduplicate its implementation by moving to lib/acpi_tables.c.

At the same time mark acpi_fill_madt() with __weak attribute to keep a
possibility to override it in platform code

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 arch/x86/cpu/baytrail/acpi.c | 29 -----------------------------
 arch/x86/cpu/quark/acpi.c    | 29 -----------------------------
 arch/x86/lib/acpi_table.c    | 29 +++++++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 58 deletions(-)

diff --git a/arch/x86/cpu/baytrail/acpi.c b/arch/x86/cpu/baytrail/acpi.c
index 55ed7de781..cbefdf871d 100644
--- a/arch/x86/cpu/baytrail/acpi.c
+++ b/arch/x86/cpu/baytrail/acpi.c
@@ -11,8 +11,6 @@
 #include <asm/acpi_s3.h>
 #include <asm/acpi_table.h>
 #include <asm/io.h>
-#include <asm/ioapic.h>
-#include <asm/mpspec.h>
 #include <asm/tables.h>
 #include <asm/arch/global_nvs.h>
 #include <asm/arch/iomap.h>
@@ -141,33 +139,6 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct 
acpi_facs *facs,
        header->checksum = table_compute_checksum(fadt, header->length);
 }
 
-static int acpi_create_madt_irq_overrides(u32 current)
-{
-       struct acpi_madt_irqoverride *irqovr;
-       u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH;
-       int length = 0;
-
-       irqovr = (void *)current;
-       length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
-
-       irqovr = (void *)(current + length);
-       length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags);
-
-       return length;
-}
-
-u32 acpi_fill_madt(u32 current)
-{
-       current += acpi_create_madt_lapics(current);
-
-       current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
-                       io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0);
-
-       current += acpi_create_madt_irq_overrides(current);
-
-       return current;
-}
-
 void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
 {
        struct udevice *dev;
diff --git a/arch/x86/cpu/quark/acpi.c b/arch/x86/cpu/quark/acpi.c
index 3968f7a8bf..5717a620b5 100644
--- a/arch/x86/cpu/quark/acpi.c
+++ b/arch/x86/cpu/quark/acpi.c
@@ -6,8 +6,6 @@
 
 #include <common.h>
 #include <asm/acpi_table.h>
-#include <asm/ioapic.h>
-#include <asm/mpspec.h>
 #include <asm/tables.h>
 #include <asm/arch/global_nvs.h>
 #include <asm/arch/iomap.h>
@@ -136,33 +134,6 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct 
acpi_facs *facs,
        header->checksum = table_compute_checksum(fadt, header->length);
 }
 
-static int acpi_create_madt_irq_overrides(u32 current)
-{
-       struct acpi_madt_irqoverride *irqovr;
-       u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH;
-       int length = 0;
-
-       irqovr = (void *)current;
-       length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
-
-       irqovr = (void *)(current + length);
-       length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags);
-
-       return length;
-}
-
-u32 acpi_fill_madt(u32 current)
-{
-       current += acpi_create_madt_lapics(current);
-
-       current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
-                       io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0);
-
-       current += acpi_create_madt_irq_overrides(current);
-
-       return current;
-}
-
 void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
 {
        /* quark is a uni-processor */
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index c6f4d8941c..14d10c34cd 100644
--- a/arch/x86/lib/acpi_table.c
+++ b/arch/x86/lib/acpi_table.c
@@ -15,7 +15,9 @@
 #include <asm/acpi/global_nvs.h>
 #include <asm/acpi_table.h>
 #include <asm/io.h>
+#include <asm/ioapic.h>
 #include <asm/lapic.h>
+#include <asm/mpspec.h>
 #include <asm/tables.h>
 #include <asm/arch/global_nvs.h>
 
@@ -241,6 +243,33 @@ int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi 
*lapic_nmi,
        return lapic_nmi->length;
 }
 
+static int acpi_create_madt_irq_overrides(u32 current)
+{
+       struct acpi_madt_irqoverride *irqovr;
+       u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH;
+       int length = 0;
+
+       irqovr = (void *)current;
+       length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
+
+       irqovr = (void *)(current + length);
+       length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags);
+
+       return length;
+}
+
+__weak u32 acpi_fill_madt(u32 current)
+{
+       current += acpi_create_madt_lapics(current);
+
+       current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
+                       io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0);
+
+       current += acpi_create_madt_irq_overrides(current);
+
+       return current;
+}
+
 static void acpi_create_madt(struct acpi_madt *madt)
 {
        struct acpi_table_header *header = &(madt->header);
-- 
2.13.2

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