i945: Convert to per-device ACPI

Change-Id: Iee3ee33ca58b8c722d2d38aae31e7130032512ad
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6804
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>

3 files changed, 11 insertions, 160 deletions

diff --git a/src/mainboard/getac/p470/acpi_tables.c b/src/mainboard/getac/p470/acpi_tables.c
index 9cd55f4991..1e22eae3dd 100644
--- a/src/mainboard/getac/p470/acpi_tables.c
+++ b/src/mainboard/getac/p470/acpi_tables.c
@@ -30,11 +30,10 @@
 #include <device/pci.h>
 #include <device/pci_ids.h>
 
-extern unsigned char AmlCode[];
-
 #include "southbridge/intel/i82801gx/nvs.h"
+#include "mainboard.h"
 
-static void acpi_create_gnvs(global_nvs_t *gnvs)
+void acpi_create_gnvs(global_nvs_t *gnvs)
 {
 	memset((void *)gnvs, 0, sizeof(*gnvs));
 	gnvs->apic = 1;
@@ -123,12 +122,6 @@ unsigned long acpi_fill_madt(unsigned long current)
 	return current;
 }
 
-unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id)
-{
-	generate_cpu_entries();
-	return (unsigned long) (acpigen_get_current());
-}
-
 unsigned long acpi_fill_slit(unsigned long current)
 {
 	// Not implemented
@@ -141,173 +134,23 @@ unsigned long acpi_fill_srat(unsigned long current)
 	return current;
 }
 
-void smm_setup_structures(void *gnvs, void *tcg, void *smi1);
-
 #define ALIGN_CURRENT current = (ALIGN(current, 16))
-unsigned long write_acpi_tables(unsigned long start)
+unsigned long mainboard_write_acpi_tables(unsigned long start, acpi_rsdp_t *rsdp)
 {
 	unsigned long current;
-	int i;
-	acpi_rsdp_t *rsdp;
-	acpi_rsdt_t *rsdt;
-	acpi_xsdt_t *xsdt;
-	acpi_hpet_t *hpet;
-	acpi_madt_t *madt;
-	acpi_mcfg_t *mcfg;
-	acpi_fadt_t *fadt;
-	acpi_facs_t *facs;
-#if CONFIG_HAVE_ACPI_SLIC
-	acpi_header_t *slic;
-#endif
-	acpi_header_t *ssdt;
-	acpi_header_t *dsdt;
 	acpi_header_t *ecdt;
 
-	void *gnvs;
-
 	current = start;
 
 	/* Align ACPI tables to 16byte */
 	ALIGN_CURRENT;
 
-	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);
-	ALIGN_CURRENT;
-	rsdt = (acpi_rsdt_t *) current;
-	current += sizeof(acpi_rsdt_t);
-	ALIGN_CURRENT;
-	xsdt = (acpi_xsdt_t *) current;
-	current += sizeof(acpi_xsdt_t);
-	ALIGN_CURRENT;
-
-	/* clear all table memory */
-	memset((void *) start, 0, current - start);
-
-	acpi_write_rsdp(rsdp, rsdt, xsdt);
-	acpi_write_rsdt(rsdt);
-	acpi_write_xsdt(xsdt);
-
-	/*
-	 * 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);
-
-	/* Fix up global NVS region for SMI handler. The GNVS region lives
-	 * in the (high) table area. The low memory map looks like this:
-	 *
-	 * 0x00000000 - 0x000003ff	Real Mode IVT
-	 * 0x00000400 - 0x000004ff	BDA (somewhat unused)
-	 * 0x00000500 - 0x00000518	coreboot table forwarder
-	 * 0x00000600 - 0x00000???	realmode trampoline
-	 * 0x0007c000 - 0x0007dfff	OS boot sector (unused?)
-	 * 0x0007e000 - 0x0007ffff	free to use (so no good for acpi+smi)
-	 * 0x00080000 - 0x0009fbff	usable ram
-	 * 0x0009fc00 - 0x0009ffff	EBDA (unused?)
-	 * 0x000a0000 - 0x000bffff	VGA memory
-	 * 0x000c0000 - 0x000cffff	VGA option rom
-	 * 0x000d0000 - 0x000dffff	free for other option roms?
-	 * 0x000e0000 - 0x000fffff	SeaBIOS? (conflict with low tables:)
-	 * 0x000f0000 - 0x000f03ff	PIRQ table
-	 * 0x000f0400 - 0x000f66??	ACPI tables
-	 * 0x000f66?? - 0x000f????	DMI tables
-	 */
-
-	ALIGN_CURRENT;
-
-	/* Pack GNVS into the ACPI table area */
-	for (i=0; i < dsdt->length; i++) {
-		if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) {
-			printk(BIOS_DEBUG, "ACPI: Patching up global NVS in DSDT at offset 0x%04x -> 0x%08x\n", i, (u32)current);
-			*(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes
-			break;
-		}
-	}
-
-	/* And fill it */
-	acpi_create_gnvs((global_nvs_t *)current);
-
-	/* Keep pointer around */
-	gnvs = (void *)current;
-
-	current += 0x100;
-	ALIGN_CURRENT;
-
-	/* And tell SMI about it */
-	smm_setup_structures(gnvs, NULL, NULL);
-
-	/* We patched up the DSDT, so we need to recalculate the checksum */
-	dsdt->checksum = 0;
-	dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
-
-	printk(BIOS_DEBUG, "ACPI:     * DSDT @ %p Length %x\n", dsdt,
-		     dsdt->length);
-
 	printk(BIOS_DEBUG, "ACPI:     * ECDT\n");
 	ecdt = (acpi_header_t *)current;
 	current += acpi_create_ecdt((acpi_ecdt_t *)current);
 	ALIGN_CURRENT;
 	acpi_add_table(rsdp, ecdt);
 
-#if CONFIG_HAVE_ACPI_SLIC
-	printk(BIOS_DEBUG, "ACPI:     * SLIC\n");
-	slic = (acpi_header_t *)current;
-	current += acpi_create_slic(current);
-	ALIGN_CURRENT;
-	acpi_add_table(rsdp, slic);
-#endif
-
-	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_DEBUG, "ACPI:     * SSDT\n");
-	ssdt = (acpi_header_t *)current;
-	acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
-	current += ssdt->length;
-	acpi_add_table(rsdp, ssdt);
-	ALIGN_CURRENT;
-
 	printk(BIOS_DEBUG, "current = %lx\n", current);
-	printk(BIOS_INFO, "ACPI: done.\n");
 	return current;
 }
diff --git a/src/mainboard/getac/p470/mainboard.c b/src/mainboard/getac/p470/mainboard.c
index 5dcdb39c5a..2b33ff0273 100644
--- a/src/mainboard/getac/p470/mainboard.c
+++ b/src/mainboard/getac/p470/mainboard.c
@@ -28,6 +28,8 @@
 
 #include "ec_oem.c"
 
+#include "mainboard.h"
+
 #define MAX_LCD_BRIGHTNESS	0xd8
 
 static void ec_enable(void)
@@ -87,6 +89,8 @@ static void mainboard_init(device_t dev)
 static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
+	dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
+
 	pcie_limit_power();
 }
 
diff --git a/src/mainboard/getac/p470/mainboard.h b/src/mainboard/getac/p470/mainboard.h
new file mode 100644
index 0000000000..45d961bb47
--- /dev/null
+++ b/src/mainboard/getac/p470/mainboard.h
@@ -0,0 +1,4 @@
+struct acpi_rsdp;
+
+unsigned long mainboard_write_acpi_tables(unsigned long start,
+					  struct acpi_rsdp *rsdp);