soc/intel/broadwell: Use common MADT code

Save for some cosmetic differences, the code is equivalent.

Change-Id: I48d4b522009eee9053d247217ca03d8bfea80cdf
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46889
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/soc/intel/broadwell/Kconfig

@@ -18,6 +18,7 @@ config SOC_SPECIFIC_OPTIONS
 	select CPU_INTEL_HASWELL
 	select MRC_SETTINGS_PROTECT
 	select HAVE_SMI_HANDLER
+	select SOUTHBRIDGE_INTEL_COMMON_ACPI_MADT
 	select SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS
 	select SOUTHBRIDGE_INTEL_COMMON_RESET
 	select SOUTHBRIDGE_INTEL_COMMON_RTC

src/soc/intel/broadwell/pch/Makefile.inc

@@ -1,6 +1,5 @@
 bootblock-y += bootblock.c
 
-ramstage-y += acpi.c
 ramstage-y += adsp.c
 romstage-y += early_pch.c
 ramstage-$(CONFIG_ELOG) += elog.c

src/soc/intel/broadwell/pch/acpi.c

@@ -1,48 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <acpi/acpi.h>
-#include <acpi/acpigen.h>
-#include <arch/ioapic.h>
-#include <arch/smp/mpspec.h>
-#include <device/pci_ops.h>
-#include <console/console.h>
-#include <types.h>
-#include <string.h>
-#include <arch/cpu.h>
-#include <cpu/x86/msr.h>
-#include <cpu/intel/turbo.h>
-#include <soc/acpi.h>
-#include <soc/iomap.h>
-#include <soc/lpc.h>
-#include <soc/pci_devs.h>
-#include <soc/pm.h>
-#include <soc/systemagent.h>
-#include <soc/intel/broadwell/chip.h>
-
-unsigned long acpi_fill_madt(unsigned long current)
-{
-	int sci = 9;
-	acpi_madt_irqoverride_t *irqovr;
-	uint16_t flags = MP_IRQ_TRIGGER_LEVEL;
-
-	/* Local APICs */
-	current = acpi_create_madt_lapics(current);
-
-	/* IOAPIC */
-	current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, 2, IO_APIC_ADDR, 0);
-
-	/* INT_SRC_OVR */
-	irqovr = (void *)current;
-	current += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
-
-	if (sci >= 20)
-		flags |= MP_IRQ_POLARITY_LOW;
-	else
-		flags |= MP_IRQ_POLARITY_HIGH;
-
-	/* SCI */
-	irqovr = (void *)current;
-	current += acpi_create_madt_irqoverride(irqovr, 0, sci, sci, flags);
-
-	return current;
-}