Exemplo n.º 1
0
unsigned long write_acpi_tables(unsigned long start)
{
	unsigned long current;
	acpi_rsdp_t *rsdp;
	acpi_rsdt_t *rsdt;
	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:     * FACS\n");
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	dsdt = (acpi_header_t *)current;
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	dsdt->checksum = 0; // don't trust intel iasl compiler to get this right
	dsdt->checksum = acpi_checksum((u8*)dsdt, dsdt->length);
	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;
}
Exemplo n.º 2
0
unsigned long write_acpi_tables(unsigned long start)
{
	unsigned long current;
	int i;
	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;
#if CONFIG_HAVE_ACPI_SLIC
	acpi_header_t *slic;
#endif
	acpi_header_t *ssdt;
	acpi_header_t *dsdt;

	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;

	/* 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_intel_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;

	/* 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%08lx\n", i, current);
			*(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes
			break;
		}
	}

	/* And fill it */
	acpi_create_gnvs((global_nvs_t *)current);

	current += 0x100;
	ALIGN_CURRENT;

#if CONFIG_HAVE_SMI_HANDLER
	/* And tell SMI about it */
	smm_setup_structures((void *)current, NULL, NULL);
#endif

	/* 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);

#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, "DYNADATA");
	current += ssdt->length;
	acpi_add_table(rsdp, ssdt);

	printk(BIOS_DEBUG, "current = %lx\n", current);

	printk(BIOS_DEBUG, "ACPI:     * DMI (Linux workaround)\n");
	memcpy((void *)0xfff80, dmi_table, DMI_TABLE_SIZE);
#if CONFIG_WRITE_HIGH_TABLES == 1
	memcpy((void *)current, dmi_table, DMI_TABLE_SIZE);
	current += DMI_TABLE_SIZE;
	ALIGN_CURRENT;
#endif

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 3
0
unsigned long write_acpi_tables(unsigned long start)
{
	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;
	global_nvs_t *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);

	printk(BIOS_DEBUG, "ACPI:    * FACS\n");
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	ALIGN_CURRENT;
	acpi_create_facs(facs);

	printk(BIOS_DEBUG, "ACPI:    * DSDT\n");
	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:    * 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);

	/*
	 * 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_intel_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);

	/* Update GNVS pointer into CBMEM */
	gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
	if (!gnvs) {
		printk(BIOS_DEBUG, "ACPI: Could not find CBMEM GNVS\n");
		gnvs = (global_nvs_t *)current;
	}

	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 -> %p\n", i, gnvs);
			*(u32*)(((u32)dsdt) + i) = (unsigned long)gnvs;
			acpi_save_gnvs((unsigned long)gnvs);
			break;
		}
	}

	/* And fill it */
	acpi_create_gnvs(gnvs);

	/* And tell SMI about it */
	smm_setup_structures(gnvs, NULL, NULL);

	current += sizeof(global_nvs_t);
	ALIGN_CURRENT;

	/* 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);

#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:     * 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, "ACPI:     * SSDT2\n");
	ssdt = (acpi_header_t *)current;
	acpi_create_serialio_ssdt(ssdt);
	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;
}
Exemplo n.º 4
0
/*
 * QEMU's version of write_acpi_tables is defined in
 * arch/x86/cpu/qemu/acpi_table.c
 */
u32 write_acpi_tables(u32 start)
{
	u32 current;
	struct acpi_rsdp *rsdp;
	struct acpi_rsdt *rsdt;
	struct acpi_xsdt *xsdt;
	struct acpi_facs *facs;
	struct acpi_table_header *dsdt;
	struct acpi_fadt *fadt;
	struct acpi_mcfg *mcfg;
	struct acpi_madt *madt;

	current = start;

	/* Align ACPI tables to 16 byte */
	current = ALIGN(current, 16);

	debug("ACPI: Writing ACPI tables at %x\n", start);

	/* We need at least an RSDP and an RSDT Table */
	rsdp = (struct acpi_rsdp *)current;
	current += sizeof(struct acpi_rsdp);
	current = ALIGN(current, 16);
	rsdt = (struct acpi_rsdt *)current;
	current += sizeof(struct acpi_rsdt);
	current = ALIGN(current, 16);
	xsdt = (struct acpi_xsdt *)current;
	current += sizeof(struct acpi_xsdt);
	/*
	 * Per ACPI spec, the FACS table address must be aligned to a 64 byte
	 * boundary (Windows checks this, but Linux does not).
	 */
	current = ALIGN(current, 64);

	/* clear all table memory */
	memset((void *)start, 0, current - start);

	acpi_write_rsdp(rsdp, rsdt, xsdt);
	acpi_write_rsdt(rsdt);
	acpi_write_xsdt(xsdt);

	debug("ACPI:    * FACS\n");
	facs = (struct acpi_facs *)current;
	current += sizeof(struct acpi_facs);
	current = ALIGN(current, 16);

	acpi_create_facs(facs);

	debug("ACPI:    * DSDT\n");
	dsdt = (struct acpi_table_header *)current;
	memcpy(dsdt, &AmlCode, sizeof(struct acpi_table_header));
	current += sizeof(struct acpi_table_header);
	memcpy((char *)current,
	       (char *)&AmlCode + sizeof(struct acpi_table_header),
	       dsdt->length - sizeof(struct acpi_table_header));
	current += dsdt->length - sizeof(struct acpi_table_header);
	current = ALIGN(current, 16);

	debug("ACPI:    * FADT\n");
	fadt = (struct acpi_fadt *)current;
	current += sizeof(struct acpi_fadt);
	current = ALIGN(current, 16);
	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	debug("ACPI:    * MADT\n");
	madt = (struct acpi_madt *)current;
	acpi_create_madt(madt);
	current += madt->header.length;
	acpi_add_table(rsdp, madt);
	current = ALIGN(current, 16);

	debug("ACPI:    * MCFG\n");
	mcfg = (struct acpi_mcfg *)current;
	acpi_create_mcfg(mcfg);
	current += mcfg->header.length;
	acpi_add_table(rsdp, mcfg);
	current = ALIGN(current, 16);

	debug("current = %x\n", current);

	debug("ACPI: done\n");

	/*
	 * Other than waiting for OSPM to request us to switch to ACPI mode,
	 * do it by ourselves, since SMI will not be triggered.
	 */
	enter_acpi_mode(fadt->pm1a_cnt_blk);

	return current;
}
Exemplo n.º 5
0
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_srat_t *srat;
	acpi_slit_t *slit;
	acpi_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_header_t *dsdt;
	acpi_header_t *ssdt;
#if CONFIG_ACPI_SSDTX_NUM >= 1
	acpi_header_t *ssdtx;
	void *p;
	int i;
#endif

	get_bus_conf();	/* it will get sblk, pci1234, hcdn, and sbdn */

	/* Align ACPI tables to 16 bytes */
	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:
	 */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * HPET at %lx\n", current);
	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 */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * MADT at %lx\n",current);
	madt = (acpi_madt_t *) current;
	acpi_create_madt(madt);
	current += madt->header.length;
	acpi_add_table(rsdp, madt);

	/* SRAT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * SRAT at %lx\n", current);
	srat = (acpi_srat_t *) current;
	acpi_create_srat(srat);
	current += srat->header.length;
	acpi_add_table(rsdp, srat);

	/* SLIT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:   * SLIT at %lx\n", current);
	slit = (acpi_slit_t *) current;
	acpi_create_slit(slit);
	current += slit->header.length;
	acpi_add_table(rsdp, slit);

	/* SSDT */
	current = ALIGN(current, 16);
	printk(BIOS_DEBUG, "ACPI:    * SSDT at %lx\n", current);
	ssdt = (acpi_header_t *)current;
	memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
	current += ssdt->length;
	memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
	//Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
	update_ssdt((void*)ssdt);
	/* recalculate checksum */
	ssdt->checksum = 0;
	ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
	acpi_add_table(rsdp,ssdt);

	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
	current = acpi_add_ssdt_pstates(rsdp, current);

#if CONFIG_ACPI_SSDTX_NUM >= 1

	/* same htio, but different position? We may have to copy,
	change HCIN, and recalculate the checknum and add_table */

	for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
		if((sysconf.pci1234[i] & 1) != 1 ) continue;
		u8 c;
		if (i < 7) {
			c = (u8) ('4' + i - 1);
		} else {
			c = (u8) ('A' + i - 1 - 6);
		}
		current = ALIGN(current, 8);
		printk(BIOS_DEBUG, "ACPI:    * SSDT for PCI%c at %lx\n", c, current); //pci0 and pci1 are in dsdt
		ssdtx = (acpi_header_t *)current;
		switch (sysconf.hcid[i]) {
		case 1:
			p = &AmlCode_ssdt2;
			break;
		case 2:
			p = &AmlCode_ssdt3;
			break;
		case 3:	/* 8131 */
			p = &AmlCode_ssdt4;
			break;
		default:
			/* HTX no io apic */
			p = &AmlCode_ssdt5;
			break;
		}
		memcpy(ssdtx, p, sizeof(acpi_header_t));
		current += ssdtx->length;
		memcpy(ssdtx, p, ssdtx->length);
		update_ssdtx((void *)ssdtx, i);
		ssdtx->checksum = 0;
		ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length);
		acpi_add_table(rsdp, ssdtx);
	}
#endif

	/* DSDT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * DSDT at %lx\n", current);
	dsdt = (acpi_header_t *)current; // it will used by fadt
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n",dsdt,dsdt->length);

	/* FACS */ // it needs 64 bit alignment
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:	* FACS at %lx\n", current);
	facs = (acpi_facs_t *) current; // it will be used by fadt
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	/* FADT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * FADT at %lx\n", current);
	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;
}
Exemplo n.º 6
0
/*
 * QEMU's version of write_acpi_tables is defined in drivers/misc/qfw.c
 */
ulong write_acpi_tables(ulong start)
{
	u32 current;
	struct acpi_rsdp *rsdp;
	struct acpi_rsdt *rsdt;
	struct acpi_xsdt *xsdt;
	struct acpi_facs *facs;
	struct acpi_table_header *dsdt;
	struct acpi_fadt *fadt;
	struct acpi_mcfg *mcfg;
	struct acpi_madt *madt;
	struct acpi_spcr *spcr;
	int i;

	current = start;

	/* Align ACPI tables to 16 byte */
	current = ALIGN(current, 16);

	debug("ACPI: Writing ACPI tables at %lx\n", start);

	/* We need at least an RSDP and an RSDT Table */
	rsdp = (struct acpi_rsdp *)current;
	current += sizeof(struct acpi_rsdp);
	current = ALIGN(current, 16);
	rsdt = (struct acpi_rsdt *)current;
	current += sizeof(struct acpi_rsdt);
	current = ALIGN(current, 16);
	xsdt = (struct acpi_xsdt *)current;
	current += sizeof(struct acpi_xsdt);
	/*
	 * Per ACPI spec, the FACS table address must be aligned to a 64 byte
	 * boundary (Windows checks this, but Linux does not).
	 */
	current = ALIGN(current, 64);

	/* clear all table memory */
	memset((void *)start, 0, current - start);

	acpi_write_rsdp(rsdp, rsdt, xsdt);
	acpi_write_rsdt(rsdt);
	acpi_write_xsdt(xsdt);

	debug("ACPI:    * FACS\n");
	facs = (struct acpi_facs *)current;
	current += sizeof(struct acpi_facs);
	current = ALIGN(current, 16);

	acpi_create_facs(facs);

	debug("ACPI:    * DSDT\n");
	dsdt = (struct acpi_table_header *)current;
	memcpy(dsdt, &AmlCode, sizeof(struct acpi_table_header));
	current += sizeof(struct acpi_table_header);
	memcpy((char *)current,
	       (char *)&AmlCode + sizeof(struct acpi_table_header),
	       dsdt->length - sizeof(struct acpi_table_header));
	current += dsdt->length - sizeof(struct acpi_table_header);
	current = ALIGN(current, 16);

	/* Pack GNVS into the ACPI table area */
	for (i = 0; i < dsdt->length; i++) {
		u32 *gnvs = (u32 *)((u32)dsdt + i);
		if (*gnvs == ACPI_GNVS_ADDR) {
			debug("Fix up global NVS in DSDT to 0x%08x\n", current);
			*gnvs = current;
			break;
		}
	}

	/* Update DSDT checksum since we patched the GNVS address */
	dsdt->checksum = 0;
	dsdt->checksum = table_compute_checksum((void *)dsdt, dsdt->length);

	/* Fill in platform-specific global NVS variables */
	acpi_create_gnvs((struct acpi_global_nvs *)current);
	current += sizeof(struct acpi_global_nvs);
	current = ALIGN(current, 16);

	debug("ACPI:    * FADT\n");
	fadt = (struct acpi_fadt *)current;
	current += sizeof(struct acpi_fadt);
	current = ALIGN(current, 16);
	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	debug("ACPI:    * MADT\n");
	madt = (struct acpi_madt *)current;
	acpi_create_madt(madt);
	current += madt->header.length;
	acpi_add_table(rsdp, madt);
	current = ALIGN(current, 16);

	debug("ACPI:    * MCFG\n");
	mcfg = (struct acpi_mcfg *)current;
	acpi_create_mcfg(mcfg);
	current += mcfg->header.length;
	acpi_add_table(rsdp, mcfg);
	current = ALIGN(current, 16);

	debug("ACPI:    * SPCR\n");
	spcr = (struct acpi_spcr *)current;
	acpi_create_spcr(spcr);
	current += spcr->header.length;
	acpi_add_table(rsdp, spcr);
	current = ALIGN(current, 16);

	debug("current = %x\n", current);

	acpi_rsdp_addr = (unsigned long)rsdp;
	debug("ACPI: done\n");

	return current;
}
Exemplo n.º 7
0
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_srat_t *srat;
	acpi_slit_t *slit;
	acpi_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_header_t *dsdt;
	acpi_header_t *ssdt;
	acpi_header_t *ssdtx;
	void *p;

	int i;

	get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn

	/* Align ACPI tables to 16 bytes */
	start = ( start + 0x0f) & -0x10;
	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);

	/* FACS */
	printk(BIOS_DEBUG, "ACPI:    * FACS\n");
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	/* DSDT */
	printk(BIOS_DEBUG, "ACPI:    * DSDT at %lx\n", current);
	dsdt = (acpi_header_t *)current;
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n", dsdt, dsdt->length);

	/* FADT */
	printk(BIOS_DEBUG, "ACPI:    * FADT at %lx\n", current);
	fadt = (acpi_fadt_t *) current;
	current += sizeof(acpi_fadt_t);

	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	/*
	 * We explicitly add these tables later on:
	 */
	printk(BIOS_DEBUG, "ACPI:    * HPET at %lx\n", current);
	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 at %lx\n", current);
	madt = (acpi_madt_t *) current;
	acpi_create_madt(madt);
	current+=madt->header.length;
	acpi_add_table(rsdp, madt);

	/* SRAT */
	printk(BIOS_DEBUG, "ACPI:    * SRAT at %lx\n", current);
	srat = (acpi_srat_t *) current;
	acpi_create_srat(srat);
	current+=srat->header.length;
	acpi_add_table(rsdp, srat);

	/* SLIT */
	printk(BIOS_DEBUG, "ACPI:   * SLIT at %lx\n", current);
	slit = (acpi_slit_t *) current;
	acpi_create_slit(slit);
	current+=slit->header.length;
	acpi_add_table(rsdp, slit);

	/* SSDT */
	printk(BIOS_DEBUG, "ACPI:    * SSDT at %lx\n", current);
	ssdt = (acpi_header_t *)current;

	acpi_create_ssdt_generator(ssdt, "DYNADATA");
	current += ssdt->length;
	acpi_add_table(rsdp, ssdt);

#if CONFIG_ACPI_SSDTX_NUM >= 1

	//same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table

	for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
		if((sysconf.pci1234[i] & 1) != 1 ) continue;
		u8 c;
		if(i<7) {
			c  = (u8) ('4' + i - 1);
		}
		else {
			c  = (u8) ('A' + i - 1 - 6);
		}
		current = ( current + 0x07) & -0x08;
		printk(BIOS_DEBUG, "ACPI:    * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); //pci0 and pci1 are in dsdt
		ssdtx = (acpi_header_t *)current;
		switch(sysconf.hcid[i]) {
		case 1: //8132
			p = &AmlCode_ssdt2;
			break;
		case 2: //8151
			p = &AmlCode_ssdt3;
			break;
		case 3: //8131
			p = &AmlCode_ssdt4;
			break;
		default:
			continue;
		}
		memcpy(ssdtx, p, sizeof(acpi_header_t));
		current += ssdtx->length;
		memcpy(ssdtx, p, ssdtx->length);
		update_ssdtx((void *)ssdtx, i);
		ssdtx->checksum = 0;
		ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length);
		acpi_add_table(rsdp, ssdtx);
	}
#endif

#if DUMP_ACPI_TABLES == 1
	printk(BIOS_DEBUG, "rsdp\n");
	dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));

	printk(BIOS_DEBUG, "rsdt\n");
	dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));

	printk(BIOS_DEBUG, "madt\n");
	dump_mem(madt, ((void *)madt) + madt->header.length);

	printk(BIOS_DEBUG, "srat\n");
	dump_mem(srat, ((void *)srat) + srat->header.length);

	printk(BIOS_DEBUG, "slit\n");
	dump_mem(slit, ((void *)slit) + slit->header.length);

	printk(BIOS_DEBUG, "ssdt\n");
	dump_mem(ssdt, ((void *)ssdt) + ssdt->length);

	printk(BIOS_DEBUG, "fadt\n");
	dump_mem(fadt, ((void *)fadt) + fadt->header.length);
#endif

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 8
0
unsigned long write_acpi_tables(unsigned long start)
{
	unsigned long current;
	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;

	current = fw_cfg_acpi_tables(start);
	if (current)
		return current;

	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);

	ALIGN_CURRENT;

	/* 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);

#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;
}
Exemplo n.º 9
0
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_srat_t *srat;
  acpi_slit_t *slit;
  acpi_fadt_t *fadt;
  acpi_facs_t *facs;
  acpi_header_t *dsdt;
  acpi_header_t *ssdt;

  get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */

  /* Align ACPI tables to 16 bytes */
  start = (start + 0x0f) & -0x10;
  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:
   */
#if 0 // Don't need HPET table.
  current   = ( current + 0x07) & -0x08;
  printk(BIOS_DEBUG, "ACPI:    * HPET at %lx\n", current);
  hpet = (acpi_hpet_t *) current;
  current += sizeof(acpi_hpet_t);
  acpi_create_hpet(hpet);
  acpi_add_table(rsdp, hpet);
#endif

  /* If we want to use HPET Timers Linux wants an MADT */
  current   = ( current + 0x07) & -0x08;
  printk(BIOS_DEBUG, "ACPI:    * MADT at %lx\n",current);
  madt = (acpi_madt_t *) current;
  acpi_create_madt(madt);
  current += madt->header.length;
  acpi_add_table(rsdp, madt);

  /* SRAT */
  current   = ( current + 0x07) & -0x08;
  printk(BIOS_DEBUG, "ACPI:    * SRAT at %lx\n", current);
  srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT);
  if (srat != NULL) {
    memcpy(current, srat, srat->header.length);
    srat = (acpi_srat_t *) current;
    //acpi_create_srat(srat);
    current += srat->header.length;
    acpi_add_table(rsdp, srat);
  }

  /* SLIT */
  current   = ( current + 0x07) & -0x08;
  printk(BIOS_DEBUG, "ACPI:   * SLIT at %lx\n", current);
  slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT);
  if (slit != NULL) {
    memcpy(current, slit, slit->header.length);
    slit = (acpi_slit_t *) current;
    //acpi_create_slit(slit);
    current += slit->header.length;
    acpi_add_table(rsdp, slit);
  }

  /* SSDT */
  current   = ( current + 0x0f) & -0x10;
  printk(BIOS_DEBUG, "ACPI:    * SSDT at %lx\n", current);
  ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
  if (ssdt != NULL) {
    memcpy(current, ssdt, ssdt->length);
    ssdt = (acpi_header_t *) current;
    current += ssdt->length;
  }
  else {
    ssdt = (acpi_header_t *) current;
    memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
    current += ssdt->length;
    memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
   /* recalculate checksum */
    ssdt->checksum = 0;
    ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
  }
  acpi_add_table(rsdp,ssdt);

  printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);

  /* DSDT */
  current   = ( current + 0x07) & -0x08;
  printk(BIOS_DEBUG, "ACPI:    * DSDT at %lx\n", current);
  dsdt = (acpi_header_t *)current; // it will used by fadt
  memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
  current += dsdt->length;
  memcpy(dsdt, &AmlCode, dsdt->length);
  printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n",dsdt,dsdt->length);

  /* FACS */ // it needs 64 bit alignment
  current   = ( current + 0x07) & -0x08;
  printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
  facs = (acpi_facs_t *) current; // it will be used by fadt
  current += sizeof(acpi_facs_t);
  acpi_create_facs(facs);

  /* FADT */
  current   = ( current + 0x07) & -0x08;
  printk(BIOS_DEBUG, "ACPI:    * FADT at %lx\n", current);
  fadt = (acpi_fadt_t *) current;
  current += sizeof(acpi_fadt_t);

  acpi_create_fadt(fadt, facs, dsdt);
  acpi_add_table(rsdp, fadt);

#if DUMP_ACPI_TABLES == 1
  printk(BIOS_DEBUG, "rsdp\n");
  dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));

  printk(BIOS_DEBUG, "rsdt\n");
  dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));

  printk(BIOS_DEBUG, "madt\n");
  dump_mem(madt, ((void *)madt) + madt->header.length);

  printk(BIOS_DEBUG, "srat\n");
  dump_mem(srat, ((void *)srat) + srat->header.length);

  printk(BIOS_DEBUG, "slit\n");
  dump_mem(slit, ((void *)slit) + slit->header.length);

  printk(BIOS_DEBUG, "ssdt\n");
  dump_mem(ssdt, ((void *)ssdt) + ssdt->length);

  printk(BIOS_DEBUG, "fadt\n");
  dump_mem(fadt, ((void *)fadt) + fadt->header.length);
#endif

  printk(BIOS_INFO, "ACPI: done.\n");
  return current;
}
Exemplo n.º 10
0
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_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_header_t *dsdt;
#if 0
	acpi_header_t *ssdt;
#endif

	/* Align ACPI tables to 16 byte. */
	start = (start + 0x0f) & -0x10;
	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:     * FACS\n");
	current = ALIGN(current, 64);
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	printk(BIOS_DEBUG, "ACPI:     * DSDT\n");
	dsdt = (acpi_header_t *) current;
	memcpy(dsdt, &AmlCode_dsdt, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode_dsdt, dsdt->length);
	dsdt->checksum = 0; /* Don't trust iasl to get this right. */
	dsdt->checksum = acpi_checksum((u8*)dsdt, dsdt->length);
	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);

	/* If we want to use HPET timers Linux wants it in 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);

	/* NO MCFG in VX855, no PCI-E. */

	printk(BIOS_DEBUG, "ACPI:    * HPET\n");
	hpet = (acpi_hpet_t *) current;
	acpi_create_hpet(hpet);
	current += hpet->header.length;
	acpi_add_table(rsdp, hpet);

#if 0
	printk(BIOS_DEBUG, "ACPI:     * SSDT\n");
	ssdt = (acpi_header_t *) current;
	memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
	current += ssdt->length;
	memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
	ssdt->checksum = 0; /* Don't trust iasl to get this right. */
	ssdt->checksum = acpi_checksum((u8*)ssdt, ssdt->length);
	acpi_add_table(rsdp, ssdt);
	printk(BIOS_DEBUG, "ACPI:     * SSDT @ %08x Length %x\n", ssdt, ssdt->length);
#endif

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 11
0
unsigned long write_acpi_tables(unsigned long start)
{
	unsigned long current;
	acpi_rsdp_t *rsdp;
	acpi_rsdt_t *rsdt;
	acpi_xsdt_t *xsdt;
	acpi_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_header_t *slic_file, *slic;
	acpi_header_t *ssdt;
	acpi_header_t *dsdt_file, *dsdt;
	acpi_mcfg_t *mcfg;
	acpi_tcpa_t *tcpa;
	acpi_madt_t *madt;
	struct device *dev;
	unsigned long fw;
	size_t slic_size, dsdt_size;
	char oem_id[6], oem_table_id[8];

	current = start;

	/* Align ACPI tables to 16byte */
	current = acpi_align_current(current);

	fw = fw_cfg_acpi_tables(current);
	if (fw)
		return fw;

#if CONFIG_COMPILE_IN_DSDT
	extern char _binary_dsdt_aml_start;
	extern char _binary_dsdt_aml_end;
	dsdt_file = (acpi_header_t *)&_binary_dsdt_aml_start;
	dsdt_size = (size_t)(&_binary_dsdt_aml_end - &_binary_dsdt_aml_start);
#else
	dsdt_file = cbfs_boot_map_with_leak(
				     CONFIG_CBFS_PREFIX "/dsdt.aml",
				     CBFS_TYPE_RAW, &dsdt_size);
#endif
	if (!dsdt_file) {
		printk(BIOS_ERR, "No DSDT file, skipping ACPI tables\n");
		return current;
	}

	if (dsdt_file->length > dsdt_size
	    || dsdt_file->length < sizeof (acpi_header_t)
	    || memcmp(dsdt_file->signature, "DSDT", 4) != 0) {
		printk(BIOS_ERR, "Invalid DSDT file, skipping ACPI tables\n");
		return current;
	}

	slic_file = cbfs_boot_map_with_leak(CONFIG_CBFS_PREFIX "/slic",
				     CBFS_TYPE_RAW, &slic_size);
	if (slic_file
	    && (slic_file->length > slic_size
		|| slic_file->length < sizeof (acpi_header_t)
		|| memcmp(slic_file->signature, "SLIC", 4) != 0)) {
		slic_file = 0;
	}

	if (slic_file) {
		memcpy(oem_id, slic_file->oem_id, 6);
		memcpy(oem_table_id, slic_file->oem_table_id, 8);
	} else {
		memcpy(oem_id, OEM_ID, 6);
		memcpy(oem_table_id, ACPI_TABLE_CREATOR, 8);
	}

	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);
	current = acpi_align_current(current);
	rsdt = (acpi_rsdt_t *) current;
	current += sizeof(acpi_rsdt_t);
	current = acpi_align_current(current);
	xsdt = (acpi_xsdt_t *) current;
	current += sizeof(acpi_xsdt_t);
	current = acpi_align_current(current);

	/* clear all table memory */
	memset((void *) start, 0, current - start);

	acpi_write_rsdp(rsdp, rsdt, xsdt, oem_id);
	acpi_write_rsdt(rsdt, oem_id, oem_table_id);
	acpi_write_xsdt(xsdt, oem_id, oem_table_id);

	printk(BIOS_DEBUG, "ACPI:    * FACS\n");
	current = (ALIGN(current, 64));
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	current = acpi_align_current(current);
	acpi_create_facs(facs);

	printk(BIOS_DEBUG, "ACPI:    * DSDT\n");
	dsdt = (acpi_header_t *) current;
	memcpy(dsdt, dsdt_file, sizeof(acpi_header_t));
	if (dsdt->length >= sizeof(acpi_header_t)) {
		current += sizeof(acpi_header_t);

		acpigen_set_current((char *) current);
		for (dev = all_devices; dev; dev = dev->next)
			if (dev->ops && dev->ops->acpi_inject_dsdt_generator) {
				dev->ops->acpi_inject_dsdt_generator(dev);
			}
		current = (unsigned long) acpigen_get_current();
		memcpy((char *)current,
		       (char *)dsdt_file + sizeof(acpi_header_t),
		       dsdt->length - sizeof(acpi_header_t));
		current += dsdt->length - sizeof(acpi_header_t);

		/* (Re)calculate length and checksum. */
		dsdt->length = current - (unsigned long)dsdt;
		dsdt->checksum = 0;
		dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
	}

	current = acpi_align_current(current);

	printk(BIOS_DEBUG, "ACPI:    * FADT\n");
	fadt = (acpi_fadt_t *) current;
	current += sizeof(acpi_fadt_t);
	current = acpi_align_current(current);

	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	if (slic_file) {
		printk(BIOS_DEBUG, "ACPI:     * SLIC\n");
		slic = (acpi_header_t *)current;
		memcpy(slic, slic_file, slic_file->length);
		current += slic_file->length;
		current = acpi_align_current(current);
		acpi_add_table(rsdp, slic);
	}

	printk(BIOS_DEBUG, "ACPI:     * SSDT\n");
	ssdt = (acpi_header_t *)current;
	acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
	if (ssdt->length > sizeof(acpi_header_t)) {
		current += ssdt->length;
		acpi_add_table(rsdp, ssdt);
		current = acpi_align_current(current);
	}

	printk(BIOS_DEBUG, "ACPI:    * MCFG\n");
	mcfg = (acpi_mcfg_t *) current;
	acpi_create_mcfg(mcfg);
	if (mcfg->header.length > sizeof(acpi_mcfg_t)) {
		current += mcfg->header.length;
		current = acpi_align_current(current);
		acpi_add_table(rsdp, mcfg);
	}

	printk(BIOS_DEBUG, "ACPI:    * TCPA\n");
	tcpa = (acpi_tcpa_t *) current;
	acpi_create_tcpa(tcpa);
	if (tcpa->header.length >= sizeof(acpi_tcpa_t)) {
		current += tcpa->header.length;
		current = acpi_align_current(current);
		acpi_add_table(rsdp, tcpa);
	}

	printk(BIOS_DEBUG, "ACPI:    * MADT\n");

	madt = (acpi_madt_t *) current;
	acpi_create_madt(madt);
	if (madt->header.length > sizeof(acpi_madt_t)) {
		current+=madt->header.length;
		acpi_add_table(rsdp,madt);
	}
	current = acpi_align_current(current);

	printk(BIOS_DEBUG, "current = %lx\n", current);

	for (dev = all_devices; dev; dev = dev->next) {
		if (dev->ops && dev->ops->write_acpi_tables) {
			current = dev->ops->write_acpi_tables(dev, current, rsdp);
			current = acpi_align_current(current);
		}
	}

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 12
0
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_srat_t *srat;
	acpi_slit_t *slit;
	acpi_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_header_t *dsdt;
	acpi_header_t *ssdt;

	get_bus_conf();	/* it will get sblk, pci1234, hcdn, and sbdn */

	/* Align ACPI tables to 16 bytes */
	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);

	/* DSDT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * DSDT at %lx\n", current);
	dsdt = (acpi_header_t *)current; // it will used by fadt
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n",dsdt,dsdt->length);

	/* FACS */ // it needs 64 bit alignment
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:	* FACS at %lx\n", current);
	facs = (acpi_facs_t *) current; // it will be used by fadt
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	/* FADT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * FADT at %lx\n", current);
	fadt = (acpi_fadt_t *) current;
	current += sizeof(acpi_fadt_t);

	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	/*
	 * We explicitly add these tables later on:
	 */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * HPET at %lx\n", current);
	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 */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * MADT at %lx\n",current);
	madt = (acpi_madt_t *) current;
	acpi_create_madt(madt);
	current += madt->header.length;
	acpi_add_table(rsdp, madt);

	/* SRAT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * SRAT at %lx\n", current);
	srat = (acpi_srat_t *) current;
	acpi_create_srat(srat);
	current += srat->header.length;
	acpi_add_table(rsdp, srat);

	/* SLIT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:   * SLIT at %lx\n", current);
	slit = (acpi_slit_t *) current;
	acpi_create_slit(slit);
	current += slit->header.length;
	acpi_add_table(rsdp, slit);

	/* SSDT */
	current = ALIGN(current, 16);
	printk(BIOS_DEBUG, "ACPI:  * coreboot PSTATE/TOM SSDT at %lx\n", current);
	ssdt = (acpi_header_t *) current;
	acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
	current += ssdt->length;
	acpi_add_table(rsdp,ssdt);

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 13
0
/*
 * QEMU's version of write_acpi_tables is defined in
 * arch/x86/cpu/qemu/fw_cfg.c
 */
unsigned long write_acpi_tables(unsigned long start)
{
	unsigned long current;
	struct acpi_rsdp *rsdp;
	struct acpi_rsdt *rsdt;
	struct acpi_xsdt *xsdt;
	struct acpi_facs *facs;
	acpi_header_t *dsdt;
	struct acpi_fadt *fadt;
	struct acpi_mcfg *mcfg;
	struct acpi_madt *madt;
	acpi_header_t *ssdt;

	current = start;

	/* Align ACPI tables to 16byte */
	current = ALIGN(current, 16);

	debug("ACPI: Writing ACPI tables at %lx.\n", start);

	/* We need at least an RSDP and an RSDT Table */
	rsdp = (struct acpi_rsdp *)current;
	current += sizeof(struct acpi_rsdp);
	current = ALIGN(current, 16);
	rsdt = (struct acpi_rsdt *)current;
	current += sizeof(struct acpi_rsdt);
	current = ALIGN(current, 16);
	xsdt = (struct acpi_xsdt *)current;
	current += sizeof(struct acpi_xsdt);
	current = ALIGN(current, 16);

	/* clear all table memory */
	memset((void *)start, 0, current - start);

	acpi_write_rsdp(rsdp, rsdt, xsdt);
	acpi_write_rsdt(rsdt);
	acpi_write_xsdt(xsdt);

	debug("ACPI:    * FACS\n");
	facs = (struct acpi_facs *)current;
	current += sizeof(struct acpi_facs);
	current = ALIGN(current, 16);

	acpi_create_facs(facs);

	debug("ACPI:    * DSDT\n");
	dsdt = (acpi_header_t *)current;
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	if (dsdt->length >= sizeof(acpi_header_t)) {
		current += sizeof(acpi_header_t);
		memcpy((char *)current,
				(char *)&AmlCode + sizeof(acpi_header_t),
				dsdt->length - sizeof(acpi_header_t));
		current += dsdt->length - sizeof(acpi_header_t);

		/* (Re)calculate length and checksum */
		dsdt->length = current - (unsigned long)dsdt;
		dsdt->checksum = 0;
		dsdt->checksum = table_compute_checksum((void *)dsdt,
				dsdt->length);
	}
	current = ALIGN(current, 16);

	debug("ACPI:    * FADT\n");
	fadt = (struct acpi_fadt *)current;
	current += sizeof(struct acpi_fadt);
	current = ALIGN(current, 16);
	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	debug("ACPI:    * MCFG\n");
	mcfg = (struct acpi_mcfg *)current;
	acpi_create_mcfg(mcfg);
	if (mcfg->header.length > sizeof(struct acpi_mcfg)) {
		current += mcfg->header.length;
		current = ALIGN(current, 16);
		acpi_add_table(rsdp, mcfg);
	}

	debug("ACPI:    * MADT\n");
	madt = (struct acpi_madt *)current;
	acpi_create_madt(madt);
	if (madt->header.length > sizeof(struct acpi_madt)) {
		current += madt->header.length;
		acpi_add_table(rsdp, madt);
	}
	current = ALIGN(current, 16);

	debug("ACPI:    * SSDT\n");
	ssdt = (acpi_header_t *)current;
	acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
	if (ssdt->length > sizeof(acpi_header_t)) {
		current += ssdt->length;
		acpi_add_table(rsdp, ssdt);
		current = ALIGN(current, 16);
	}

	debug("current = %lx\n", current);

	debug("ACPI: done.\n");

	return current;
}
Exemplo n.º 14
0
unsigned long write_acpi_tables(unsigned long start)
{
	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;
	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_intel_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
	 * 0x00000020 - 0x0000019c	Low MP Table (XXX conflict?)
	 * 0x00000400 - 0x000004ff	BDA (somewhat unused)
	 * 0x00000500 - 0x0000052f	Moved GDT
	 * 0x00000530 - 0x00000b64	coreboot table
	 * 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);

#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, "COREBOOT");
	current += ssdt->length;
	acpi_add_table(rsdp, ssdt);
	ALIGN_CURRENT;

	printk(BIOS_DEBUG, "current = %lx\n", current);

	printk(BIOS_DEBUG, "ACPI:     * DMI (Linux workaround)\n");
	memcpy((void *)0xfff80, dmi_table, DMI_TABLE_SIZE);
#if CONFIG_WRITE_HIGH_TABLES == 1
	memcpy((void *)current, dmi_table, DMI_TABLE_SIZE);
	current += DMI_TABLE_SIZE;
	ALIGN_CURRENT;
#endif

	printk(BIOS_INFO, "ACPI: done.\n");

	/* Enable Dummy DCC ON# for DVI */
	printk(BIOS_DEBUG, "Laptop handling...\n");
	outb(inb(0x60f) & ~(1 << 5), 0x60f);

	return current;
}
Exemplo n.º 15
0
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_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_header_t *dsdt;
	acpi_header_t *ssdt;

	get_bus_conf();		/* it will get sblk, pci1234, hcdn, and sbdn */

	/* Align ACPI tables to 16byte */
	start = (start + 0x0f) & -0x10;
	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);

	/* FACS */
	printk(BIOS_DEBUG, "ACPI:    * FACS\n");
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	/* DSDT */
	printk(BIOS_DEBUG, "ACPI:    * DSDT\n");
	dsdt = (acpi_header_t *)current;
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n", dsdt, dsdt->length);
	/* FADT */
	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);

	/*
	 * We explicitly add these tables later on:
	 */
	/* If we want to use HPET Timers Linux wants an MADT */
	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);

	printk(BIOS_DEBUG, "ACPI:    * MADT\n");
	madt = (acpi_madt_t *) current;
	acpi_create_madt(madt);
	current += madt->header.length;
	acpi_add_table(rsdp, madt);

	/* SSDT */
	printk(BIOS_DEBUG, "ACPI:    * SSDT\n");
	ssdt = (acpi_header_t *)current;

	acpi_create_ssdt_generator(ssdt, "DYNADATA");
	current += ssdt->length;
	acpi_add_table(rsdp, ssdt);

#if DUMP_ACPI_TABLES == 1
	printk(BIOS_DEBUG, "rsdp\n");
	dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));

	printk(BIOS_DEBUG, "rsdt\n");
	dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));

	printk(BIOS_DEBUG, "madt\n");
	dump_mem(madt, ((void *)madt) + madt->header.length);

	printk(BIOS_DEBUG, "ssdt\n");
	dump_mem(ssdt, ((void *)ssdt) + ssdt->length);

	printk(BIOS_DEBUG, "fadt\n");
	dump_mem(fadt, ((void *)fadt) + fadt->header.length);
#endif

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 16
0
unsigned long write_acpi_tables(unsigned long start)
{
	unsigned long current;
	acpi_rsdp_t *rsdp;
	acpi_rsdt_t *rsdt;
	acpi_xsdt_t *xsdt;
	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_mcfg_t *mcfg;
	acpi_madt_t *madt;
	device_t dev;

	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);

	printk(BIOS_DEBUG, "ACPI:    * FACS\n");
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	ALIGN_CURRENT;
	acpi_create_facs(facs);

	printk(BIOS_DEBUG, "ACPI:    * DSDT\n");
	dsdt = (acpi_header_t *) current;
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	if (dsdt->length >= sizeof(acpi_header_t)) {
		current += sizeof(acpi_header_t);

		acpigen_set_current((char *) current);
		for (dev = all_devices; dev; dev = dev->next)
			if (dev->ops && dev->ops->acpi_inject_dsdt_generator) {
				dev->ops->acpi_inject_dsdt_generator();
			}
		current = (unsigned long) acpigen_get_current();
		memcpy((char *)current,
		       (char *)&AmlCode + sizeof(acpi_header_t),
		       dsdt->length - sizeof(acpi_header_t));
		current += dsdt->length - sizeof(acpi_header_t);

		/* (Re)calculate length and checksum. */
		dsdt->length = current - (unsigned long)dsdt;
		dsdt->checksum = 0;
		dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
	}

	ALIGN_CURRENT;

	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);

#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:     * SSDT\n");
	ssdt = (acpi_header_t *)current;
	acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
	if (ssdt->length > sizeof(acpi_header_t)) {
		current += ssdt->length;
		acpi_add_table(rsdp, ssdt);
		ALIGN_CURRENT;
	}

	printk(BIOS_DEBUG, "ACPI:    * MCFG\n");
	mcfg = (acpi_mcfg_t *) current;
	acpi_create_mcfg(mcfg);
	if (mcfg->header.length > sizeof(acpi_mcfg_t)) {
		current += mcfg->header.length;
		ALIGN_CURRENT;
		acpi_add_table(rsdp, mcfg);
	}

	printk(BIOS_DEBUG, "ACPI:    * MADT\n");

	madt = (acpi_madt_t *) current;
	acpi_create_madt(madt);
	if (madt->header.length > sizeof(acpi_madt_t)) {
		current+=madt->header.length;
		acpi_add_table(rsdp,madt);
	}
	ALIGN_CURRENT;

	printk(BIOS_DEBUG, "current = %lx\n", current);

	for (dev = all_devices; dev; dev = dev->next) {
		if (dev->ops && dev->ops->write_acpi_tables) {
			current = dev->ops->write_acpi_tables(current, rsdp);
			ALIGN_CURRENT;
		}
	}

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 17
0
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 = (start + 0x0f) & -0x10;
	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_via_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;
}
Exemplo n.º 18
0
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_srat_t *srat;
	acpi_slit_t *slit;
	acpi_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_header_t *dsdt;
	acpi_header_t *ssdt;
	acpi_header_t *alib;
	acpi_header_t *ivrs;
	acpi_hest_t *hest;

	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */

	/* Align ACPI tables to 16 bytes */
	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);

	/* DSDT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * DSDT at %lx\n", current);
	dsdt = (acpi_header_t *)current; /* it will used by fadt */
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n",dsdt,dsdt->length);

	/* FACS */ /* it needs 64 bit alignment */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
	facs = (acpi_facs_t *) current; /* it will be used by fadt */
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	/* FADT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * FADT at %lx\n", current);
	fadt = (acpi_fadt_t *) current;
	current += sizeof(acpi_fadt_t);

	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	/*
	 * We explicitly add these tables later on:
	 */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * HPET at %lx\n", current);
	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 */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * MADT at %lx\n",current);
	madt = (acpi_madt_t *) current;
	acpi_create_madt(madt);
	current += madt->header.length;
	acpi_add_table(rsdp, madt);

	/* HEST */
	current = ALIGN(current, 8);
	hest = (acpi_hest_t *)current;
	acpi_write_hest((void *)current);
	acpi_add_table(rsdp, (void *)current);
	current += ((acpi_header_t *)current)->length;

	current   = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * IVRS at %lx\n", current);
	ivrs = agesawrapper_getlateinitptr(PICK_IVRS);
	if (ivrs != NULL) {
		memcpy((void *)current, ivrs, ivrs->length);
		ivrs = (acpi_header_t *) current;
		current += ivrs->length;
		acpi_add_table(rsdp, ivrs);
	} else {
		printk(BIOS_DEBUG, "  AGESA IVRS table NULL. Skipping.\n");
	}

	/* SRAT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:    * SRAT at %lx\n", current);
	srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT);
	if (srat != NULL) {
		memcpy((void *)current, srat, srat->header.length);
		srat = (acpi_srat_t *) current;
		current += srat->header.length;
		acpi_add_table(rsdp, srat);
	} else {
		printk(BIOS_DEBUG, "  AGESA SRAT table NULL. Skipping.\n");
	}

	/* SLIT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:   * SLIT at %lx\n", current);
	slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT);
	if (slit != NULL) {
		memcpy((void *)current, slit, slit->header.length);
		slit = (acpi_slit_t *) current;
		current += slit->header.length;
		acpi_add_table(rsdp, slit);
	} else {
		printk(BIOS_DEBUG, "  AGESA SLIT table NULL. Skipping.\n");
	}

	/* ALIB */
	current = ALIGN(current, 16);
	printk(BIOS_DEBUG, "ACPI:  * AGESA ALIB SSDT at %lx\n", current);
	alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB);
	if (alib != NULL) {
		memcpy((void *)current, alib, alib->length);
		alib = (acpi_header_t *) current;
		current += alib->length;
		acpi_add_table(rsdp, (void *)alib);
	}
	else {
		printk(BIOS_DEBUG, "	AGESA ALIB SSDT table NULL. Skipping.\n");
	}

	/* this pstate ssdt may cause Blue Screen: Fixed: Keep this comment for a while. */
	/* SSDT */
	current   = ALIGN(current, 16);
	printk(BIOS_DEBUG, "ACPI:    * SSDT at %lx\n", current);
	ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
	if (ssdt != NULL) {
		memcpy((void *)current, ssdt, ssdt->length);
		ssdt = (acpi_header_t *) current;
		current += ssdt->length;
	}
	else {
		printk(BIOS_DEBUG, "  AGESA PState table NULL. Skipping.\n");
	}
	acpi_add_table(rsdp,ssdt);

	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);

	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);

#if DUMP_ACPI_TABLES == 1
	printk(BIOS_DEBUG, "rsdp\n");
	dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));

	printk(BIOS_DEBUG, "rsdt\n");
	dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));

	printk(BIOS_DEBUG, "madt\n");
	dump_mem(madt, ((void *)madt) + madt->header.length);

	printk(BIOS_DEBUG, "srat\n");
	dump_mem(srat, ((void *)srat) + srat->header.length);

	printk(BIOS_DEBUG, "slit\n");
	dump_mem(slit, ((void *)slit) + slit->header.length);

	printk(BIOS_DEBUG, "ssdt\n");
	dump_mem(ssdt, ((void *)ssdt) + ssdt->length);

	printk(BIOS_DEBUG, "fadt\n");
	dump_mem(fadt, ((void *)fadt) + fadt->header.length);

	printk(BIOS_DEBUG, "hest\n");
	dump_mem(hest, ((void *)hest) + hest->header.length);
#endif

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 19
0
unsigned long write_acpi_tables(unsigned long start)
{
	unsigned long current;
	acpi_rsdp_t *rsdp;
	acpi_srat_t *srat;
	acpi_rsdt_t *rsdt;
	acpi_mcfg_t *mcfg;
	acpi_hpet_t *hpet;
	acpi_madt_t *madt;
	acpi_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_slit_t *slit;
	acpi_header_t *ssdt;
	acpi_header_t *dsdt;

	/* Align ACPI tables to 16 byte. */
	start = (start + 0x0f) & -0x10;
	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:     * FACS\n");

	/* we should align FACS to 64B as per ACPI specs */
	current = ALIGN(current, 64);
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	dsdt = (acpi_header_t *) current;
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	dsdt->checksum = 0;	/* Don't trust iasl to get this right. */
	dsdt->checksum = acpi_checksum(dsdt, dsdt->length);
	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_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:    * SRAT\n");
	srat = (acpi_srat_t *) current;
	acpi_create_srat(srat);
	current += srat->header.length;
	acpi_add_table(rsdp, srat);

	/* SLIT */
	printk(BIOS_DEBUG, "ACPI:    * SLIT\n");
	slit = (acpi_slit_t *) current;
	acpi_create_slit(slit);
	current+=slit->header.length;
	acpi_add_table(rsdp, slit);

	/* SSDT */
	printk(BIOS_DEBUG, "ACPI:    * SSDT\n");
	ssdt = (acpi_header_t *)current;

	acpi_create_ssdt_generator(ssdt, "DYNADATA");
	current += ssdt->length;
	acpi_add_table(rsdp, ssdt);

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 20
0
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_srat_t *srat;
	acpi_slit_t *slit;
	acpi_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_header_t *dsdt;
	acpi_header_t *ssdt;
	acpi_header_t *ssdt2;
	acpi_header_t *alib;
	acpi_hest_t *hest;

	get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */

	/* Align ACPI tables to 16 bytes */
	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);

	/* DSDT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * DSDT at %lx\n", current);
	dsdt = (acpi_header_t *)current;
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	printk(BIOS_DEBUG, "ACPI:  * DSDT @ %p Length %x\n",dsdt,dsdt->length);

	/* FACS */ // it needs 64 bit alignment
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * FACS at %lx\n", current);
	facs = (acpi_facs_t *) current;
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	/* FADT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * FADT at %lx\n", current);
	fadt = (acpi_fadt_t *) current;
	current += sizeof(acpi_fadt_t);

	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	/*
	 * We explicitly add these tables later on:
	 */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * HPET at %lx\n", current);
	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 */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * MADT at %lx\n",current);
	madt = (acpi_madt_t *) current;
	acpi_create_madt(madt);
	current += madt->header.length;
	acpi_add_table(rsdp, madt);

	/* HEST */
	current = ALIGN(current, 8);
	hest = (acpi_hest_t *)current;
	acpi_write_hest((void *)current);
	acpi_add_table(rsdp, (void *)current);
	current += ((acpi_header_t *)current)->length;

	/* SRAT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * SRAT at %lx\n", current);
	srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT);
	if (srat != NULL) {
		memcpy((void *)current, srat, srat->header.length);
		srat = (acpi_srat_t *) current;
		current += srat->header.length;
		acpi_add_table(rsdp, srat);
	}
	else {
		printk(BIOS_DEBUG, "  AGESA SRAT table NULL. Skipping.\n");
	}

	/* SLIT */
	current = ALIGN(current, 8);
	printk(BIOS_DEBUG, "ACPI:  * SLIT at %lx\n", current);
	slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT);
	if (slit != NULL) {
		memcpy((void *)current, slit, slit->header.length);
		slit = (acpi_slit_t *) current;
		current += slit->header.length;
		acpi_add_table(rsdp, slit);
	}
	else {
		printk(BIOS_DEBUG, "  AGESA SLIT table NULL. Skipping.\n");
	}

	/* SSDT */
	current = ALIGN(current, 16);
	printk(BIOS_DEBUG, "ACPI:  * AGESA ALIB SSDT at %lx\n", current);
	alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB);
	if (alib != NULL) {
		memcpy((void *)current, alib, alib->length);
		alib = (acpi_header_t *) current;
		current += alib->length;
		acpi_add_table(rsdp, (void *)alib);
	} else {
		printk(BIOS_DEBUG, "	AGESA ALIB SSDT table NULL. Skipping.\n");
	}

	/* The DSDT needs additional work for the AGESA SSDT Pstate table */
	/* Keep the comment for a while. */
	current = ALIGN(current, 16);
	printk(BIOS_DEBUG, "ACPI:  * AGESA SSDT Pstate at %lx\n", current);
	ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
	if (ssdt != NULL) {
		memcpy((void *)current, ssdt, ssdt->length);
		ssdt = (acpi_header_t *) current;
		current += ssdt->length;
		acpi_add_table(rsdp,ssdt);
	} else {
		printk(BIOS_DEBUG, "  AGESA SSDT Pstate table NULL. Skipping.\n");
	}

	current = ALIGN(current, 16);
	printk(BIOS_DEBUG, "ACPI:  * coreboot TOM SSDT2 at %lx\n", current);
	ssdt2 = (acpi_header_t *) current;
	acpi_create_ssdt_generator(ssdt2, ACPI_TABLE_CREATOR);
	current += ssdt2->length;
	acpi_add_table(rsdp,ssdt2);

	printk(BIOS_INFO, "ACPI: done.\n");
	return current;
}
Exemplo n.º 21
0
unsigned long write_acpi_tables(unsigned long start)
{
	unsigned long current;
	acpi_rsdp_t *rsdp;
	acpi_srat_t *srat;
	acpi_rsdt_t *rsdt;
	acpi_hpet_t *hpet;
	acpi_madt_t *madt;
	acpi_fadt_t *fadt;
	acpi_facs_t *facs;
	acpi_slit_t *slit;
	acpi_header_t *ssdt;
	acpi_header_t *dsdt;

	/* Align ACPI tables to 16 byte. */
	start = (start + 0x0f) & -0x10;
	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);

	current = ALIGN(current, 16);
	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);

	current = ALIGN(current, 64);
	facs = (acpi_facs_t *) current;
	printk(BIOS_DEBUG, "ACPI:    * FACS %p\n", facs);
	current += sizeof(acpi_facs_t);
	acpi_create_facs(facs);

	/* DSDT */
	current = ALIGN(current, 16);
	dsdt = (acpi_header_t *) current;
	printk(BIOS_DEBUG, "ACPI:    * DSDT %p\n", dsdt);
	memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
	current += dsdt->length;
	memcpy(dsdt, &AmlCode, dsdt->length);
	printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n",dsdt,dsdt->length);

	current = ALIGN(current, 16);
	fadt = (acpi_fadt_t *) current;
	printk(BIOS_DEBUG, "ACPI:    * FACP (FADT) @ %p\n", fadt);
	current += sizeof(acpi_fadt_t);

	/* Add FADT now that we have facs and dsdt. */
	acpi_create_fadt(fadt, facs, dsdt);
	acpi_add_table(rsdp, fadt);

	current = ALIGN(current, 16);
	hpet = (acpi_hpet_t *) current;
	printk(BIOS_DEBUG, "ACPI:    * HPET @ %p\n", hpet);
	current += sizeof(acpi_hpet_t);
	acpi_create_hpet(hpet);
	acpi_add_table(rsdp, hpet);

	current = ALIGN(current, 16);
	madt = (acpi_madt_t *) current;
	printk(BIOS_DEBUG, "ACPI:    * APIC/MADT @ %p\n", madt);
	acpi_create_madt(madt);
	current += madt->header.length;
	acpi_add_table(rsdp, madt);

	current = ALIGN(current, 16);
	srat = (acpi_srat_t *) current;
	printk(BIOS_DEBUG, "ACPI:    * SRAT @ %p\n", srat);
	acpi_create_srat(srat);
	current += srat->header.length;
	acpi_add_table(rsdp, srat);

	/* SLIT */
	current = ALIGN(current, 16);
	slit = (acpi_slit_t *) current;
	printk(BIOS_DEBUG, "ACPI:    * SLIT @ %p\n", slit);
	acpi_create_slit(slit);
	current+=slit->header.length;
	acpi_add_table(rsdp,slit);

	/* SSDT */
	current = ALIGN(current, 16);
	ssdt = (acpi_header_t *)current;
	printk(BIOS_DEBUG, "ACPI:    * SSDT @ %p\n", ssdt);
	acpi_create_ssdt_generator(ssdt, "DYNADATA");
	current += ssdt->length;
	acpi_add_table(rsdp, ssdt);

	printk(BIOS_INFO, "ACPI: done %p.\n", (void *)current);
	return current;
}