via/vt8454c: Migrate to per-device ACPI

Change-Id: Ia3f6691ae7c33b5e22010e25a1f01996a594196e
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6943
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

3 files changed, 25 insertions, 106 deletions

diff --git a/src/mainboard/via/vt8454c/Kconfig b/src/mainboard/via/vt8454c/Kconfig
index da71c8796b..789a0634ab 100644
--- a/src/mainboard/via/vt8454c/Kconfig
+++ b/src/mainboard/via/vt8454c/Kconfig
@@ -10,6 +10,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_MP_TABLE
 	select HAVE_ACPI_TABLES
 	select BOARD_ROMSIZE_KB_512
+	select PER_DEVICE_ACPI_TABLES
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/via/vt8454c/acpi_tables.c b/src/mainboard/via/vt8454c/acpi_tables.c
index a13395acf3..1830c1dced 100644
--- a/src/mainboard/via/vt8454c/acpi_tables.c
+++ b/src/mainboard/via/vt8454c/acpi_tables.c
@@ -27,30 +27,6 @@
 #include <device/pci.h>
 #include <device/pci_ids.h>
 
-extern const unsigned char AmlCode[];
-
-unsigned long acpi_fill_mcfg(unsigned long current)
-{
-	device_t dev;
-	u64 mmcfg;
-
-	dev = dev_find_device(0x1106, 0x324b, 0);	// 0:0x13.0
-	if (!dev)
-		return current;
-
-	// MMCFG not supported or not enabled.
-	if ((pci_read_config8(dev, 0x40) & 0xC0) != 0xC0)
-		return current;
-
-	mmcfg = ((u64) pci_read_config8(dev, 0x41)) << 28;
-	if (!mmcfg)
-		return current;
-
-	current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current, mmcfg, 0x0, 0x0, 0xff);
-
-	return current;
-}
-
 unsigned long acpi_fill_madt(unsigned long current)
 {
 	/* Local Apic */
@@ -80,85 +56,3 @@ unsigned long acpi_fill_srat(unsigned long current)
 	/* No NUMA, no SRAT */
 	return current;
 }
-
-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;
-
-	/* Align ACPI tables to 16byte */
-	start = ALIGN(start, 16);
-	current = start;
-
-	printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start);
-
-	/* We need at least an RSDP and an RSDT Table */
-	rsdp = (acpi_rsdp_t *) current;
-	current += sizeof(acpi_rsdp_t);
-	rsdt = (acpi_rsdt_t *) current;
-	current += sizeof(acpi_rsdt_t);
-
-	/* 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);
-	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;
-	acpi_add_table(rsdp, madt);
-
-	printk(BIOS_DEBUG, "ACPI:    * MCFG\n");
-	mcfg = (acpi_mcfg_t *) current;
-	acpi_create_mcfg(mcfg);
-	current += mcfg->header.length;
-	acpi_add_table(rsdp, mcfg);
-
-	printk(BIOS_DEBUG, "ACPI:     * FACS\n");
-	facs = (acpi_facs_t *) current;
-	current += sizeof(acpi_facs_t);
-	acpi_create_facs(facs);
-
-	dsdt = (acpi_header_t *) current;
-	dsdt = (acpi_header_t *)current;
-	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
-	current += dsdt->length;
-	memcpy(dsdt, &AmlCode, dsdt->length);
-#ifdef DONT_TRUST_IASL
-	dsdt->checksum = 0;	// don't trust intel iasl compiler to get this right
-	dsdt->checksum = acpi_checksum(dsdt, dsdt->length);
-#endif
-	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);
-
-	acpi_create_fadt(fadt, facs, dsdt);
-	acpi_add_table(rsdp, fadt);
-	printk(BIOS_INFO, "ACPI: done.\n");
-	return current;
-}
diff --git a/src/northbridge/via/cx700/northbridge.c b/src/northbridge/via/cx700/northbridge.c
index 7514ec4acb..e3314fff8e 100644
--- a/src/northbridge/via/cx700/northbridge.c
+++ b/src/northbridge/via/cx700/northbridge.c
@@ -29,6 +29,7 @@
 #include <cpu/cpu.h>
 #include <cpu/x86/mtrr.h>
 #include <cbmem.h>
+#include <arch/acpi.h>
 
 static void pci_domain_set_resources(device_t dev)
 {
@@ -79,6 +80,28 @@ static void pci_domain_set_resources(device_t dev)
 	assign_resources(dev->link_list);
 }
 
+unsigned long acpi_fill_mcfg(unsigned long current)
+{
+	device_t dev;
+	u64 mmcfg;
+
+	dev = dev_find_device(0x1106, 0x324b, 0);	// 0:0x13.0
+	if (!dev)
+		return current;
+
+	// MMCFG not supported or not enabled.
+	if ((pci_read_config8(dev, 0x40) & 0xC0) != 0xC0)
+		return current;
+
+	mmcfg = ((u64) pci_read_config8(dev, 0x41)) << 28;
+	if (!mmcfg)
+		return current;
+
+	current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current, mmcfg, 0x0, 0x0, 0xff);
+
+	return current;
+}
+
 static struct device_operations pci_domain_ops = {
 	.read_resources	  = pci_domain_read_resources,
 	.set_resources	  = pci_domain_set_resources,
@@ -86,6 +109,7 @@ static struct device_operations pci_domain_ops = {
 	.init		  = NULL,
 	.scan_bus	  = pci_domain_scan_bus,
 	.ops_pci_bus  = pci_bus_default_ops,
+	.write_acpi_tables = acpi_write_hpet,
 };
 
 static void cpu_bus_init(device_t dev)