i3100: Convert to per-device ACPI

Change-Id: Id90db4f6ce1a5fb506c81bc3a6010d85b0aa8c43
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6940
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/mainboard/intel/eagleheights/acpi_tables.c

@@ -29,28 +29,6 @@
 #include <device/pci_ids.h>
 #include "ioapic.h"
 
-extern const unsigned char AmlCode[];
-
-unsigned long acpi_fill_mcfg(unsigned long current)
-{
-	device_t dev;
-	u64 mmcfg;
-
-	dev = dev_find_device(0x8086, 0x35B0, 0);	// 0:0x13.0
-	if (!dev)
-		return current;
-
-	// MMCFG not supported or not enabled.
-	mmcfg = ((u64) pci_read_config16(dev, 0xce)) << 16;
-	if (!mmcfg)
-		return current;
-
-	current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
-			mmcfg, 0x0, 0x0, 0xff);
-
-	return current;
-}
-
 #define IO_APIC0 2
 #define IO_APIC1 3
 
@@ -102,91 +80,3 @@ unsigned long acpi_fill_srat(unsigned long current)
 	return current;
 }
 
-
-#define ALIGN_CURRENT current = (ALIGN(current, 16))
-unsigned long write_acpi_tables(unsigned long start)
-{
-	unsigned long current;
-	acpi_rsdp_t *rsdp;
-	acpi_rsdt_t *rsdt;
-	acpi_hpet_t *hpet;
-	acpi_madt_t *madt;
-	acpi_mcfg_t *mcfg;
-	acpi_fadt_t *fadt;
-	acpi_facs_t *facs;
-	acpi_header_t *dsdt;
-
-	current = start;
-
-	/* Align ACPI tables to 16byte */
-	ALIGN_CURRENT;
-
-	printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", current);
-
-	/* We need at least an RSDP and an RSDT Table */
-	rsdp = (acpi_rsdp_t *) current;
-	current += sizeof(acpi_rsdp_t);
-	ALIGN_CURRENT;
-	rsdt = (acpi_rsdt_t *) current;
-	current += sizeof(acpi_rsdt_t);
-	ALIGN_CURRENT;
-
-	/* clear all table memory */
-	memset((void *) start, 0, current - start);
-
-	acpi_write_rsdp(rsdp, rsdt, NULL);
-	acpi_write_rsdt(rsdt);
-
-	/*
-	 * We explicitly add these tables later on:
-	 */
-	printk(BIOS_DEBUG, "ACPI:    * HPET\n");
-
-	hpet = (acpi_hpet_t *) current;
-	current += sizeof(acpi_hpet_t);
-	ALIGN_CURRENT;
-	acpi_create_hpet(hpet);
-	acpi_add_table(rsdp, hpet);
-
-	/* If we want to use HPET Timers Linux wants an MADT */
-	printk(BIOS_DEBUG, "ACPI:    * MADT\n");
-
-	madt = (acpi_madt_t *) current;
-	acpi_create_madt(madt);
-	current += madt->header.length;
-	ALIGN_CURRENT;
-	acpi_add_table(rsdp, madt);
-
-	printk(BIOS_DEBUG, "ACPI:    * MCFG\n");
-	mcfg = (acpi_mcfg_t *) current;
-	acpi_create_mcfg(mcfg);
-	current += mcfg->header.length;
-	ALIGN_CURRENT;
-	acpi_add_table(rsdp, mcfg);
-
-	printk(BIOS_DEBUG, "ACPI:     * FACS\n");
-	facs = (acpi_facs_t *) current;
-	current += sizeof(acpi_facs_t);
-	ALIGN_CURRENT;
-	acpi_create_facs(facs);
-
-	dsdt = (acpi_header_t *) current;
-	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
-	current += dsdt->length;
-	memcpy(dsdt, &AmlCode, dsdt->length);
-	ALIGN_CURRENT;
-
-	printk(BIOS_DEBUG, "ACPI:     * DSDT @ %p Length %x\n", dsdt,
-		     dsdt->length);
-
-	printk(BIOS_DEBUG, "ACPI:     * FADT\n");
-	fadt = (acpi_fadt_t *) current;
-	current += sizeof(acpi_fadt_t);
-	ALIGN_CURRENT;
-
-	acpi_create_fadt(fadt, facs, dsdt);
-	acpi_add_table(rsdp, fadt);
-
-	printk(BIOS_INFO, "ACPI: done.\n");
-	return current;
-}

src/northbridge/intel/i3100/northbridge.c

@@ -33,6 +33,7 @@
 #include <cpu/cpu.h>
 #include "chip.h"
 #include "i3100.h"
+#include <arch/acpi.h>
 
 
 static u32 max_bus;
@@ -175,6 +176,30 @@ static void intel_set_subsystem(device_t dev, unsigned vendor, unsigned device)
 		((device & 0xffff) << 16) | (vendor & 0xffff));
 }
 
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+
+unsigned long acpi_fill_mcfg(unsigned long current)
+{
+	device_t dev;
+	u64 mmcfg;
+
+	dev = dev_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_3100_MC, 0);	// 0:0x13.0
+	if (!dev)
+		return current;
+
+	// MMCFG not supported or not enabled.
+	mmcfg = ((u64) pci_read_config16(dev, 0xce)) << 16;
+	if (!mmcfg)
+		return current;
+
+	current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
+			mmcfg, 0x0, 0x0, 0xff);
+
+	return current;
+}
+
+#endif
+
 static struct pci_operations intel_pci_ops = {
 	.set_subsystem = intel_set_subsystem,
 };

src/southbridge/intel/i3100/Kconfig

@@ -2,6 +2,7 @@ config SOUTHBRIDGE_INTEL_I3100
 	bool
 	select IOAPIC
 	select HAVE_HARD_RESET
+	select PER_DEVICE_ACPI_TABLES
 
 if SOUTHBRIDGE_INTEL_I3100
 

src/southbridge/intel/i3100/lpc.c

@@ -31,6 +31,7 @@
 #include <pc80/i8259.h>
 #include <arch/io.h>
 #include <arch/ioapic.h>
+#include <arch/acpi.h>
 #include "i3100.h"
 
 #define ACPI_BAR 0x40
@@ -453,6 +454,9 @@ static struct device_operations lpc_ops  = {
 	.set_resources    = pci_dev_set_resources,
 	.enable_resources = i3100_lpc_enable_resources,
 	.init             = lpc_init,
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+	.write_acpi_tables      = acpi_write_hpet,
+#endif
 	.scan_bus         = scan_static_bus,
 	.enable           = i3100_enable,
 	.ops_pci          = &lops_pci,