1 files changed, 0 insertions, 110 deletions

diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index 7c4321b5ae3..e48c9b95744 100644
--- a/arch/x86/lib/acpi_table.c
+++ b/arch/x86/lib/acpi_table.c
@@ -13,7 +13,6 @@
 #include <version.h>
 #include <asm/acpi/global_nvs.h>
 #include <asm/acpi_table.h>
-#include <asm/io.h>
 #include <asm/ioapic.h>
 #include <asm/lapic.h>
 #include <asm/mpspec.h>
@@ -337,27 +336,6 @@ static void acpi_create_mcfg(struct acpi_mcfg *mcfg)
 	header->checksum = table_compute_checksum((void *)mcfg, header->length);
 }
 
-void enter_acpi_mode(int pm1_cnt)
-{
-	u16 val = inw(pm1_cnt);
-
-	/*
-	 * PM1_CNT register bit0 selects the power management event to be
-	 * either an SCI or SMI interrupt. When this bit is set, then power
-	 * management events will generate an SCI interrupt. When this bit
-	 * is reset power management events will generate an SMI interrupt.
-	 *
-	 * Per ACPI spec, it is the responsibility of the hardware to set
-	 * or reset this bit. OSPM always preserves this bit position.
-	 *
-	 * U-Boot does not support SMI. And we don't have plan to support
-	 * anything running in SMM within U-Boot. To create a legacy-free
-	 * system, and expose ourselves to OSPM as working under ACPI mode
-	 * already, turn this bit on.
-	 */
-	outw(val | PM1_CNT_SCI_EN, pm1_cnt);
-}
-
 /*
  * QEMU's version of write_acpi_tables is defined in drivers/misc/qfw.c
  */
@@ -465,16 +443,6 @@ ulong write_acpi_tables(ulong start)
 	acpi_rsdp_addr = (unsigned long)rsdp;
 	debug("ACPI: done\n");
 
-	/* Don't touch ACPI hardware on HW reduced platforms */
-	if (fadt->flags & ACPI_FADT_HW_REDUCED_ACPI)
-		return current;
-
-	/*
-	 * 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;
 }
 
@@ -482,81 +450,3 @@ ulong acpi_get_rsdp_addr(void)
 {
 	return acpi_rsdp_addr;
 }
-
-static struct acpi_rsdp *acpi_valid_rsdp(struct acpi_rsdp *rsdp)
-{
-	if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0)
-		return NULL;
-
-	debug("Looking on %p for valid checksum\n", rsdp);
-
-	if (table_compute_checksum((void *)rsdp, 20) != 0)
-		return NULL;
-	debug("acpi rsdp checksum 1 passed\n");
-
-	if ((rsdp->revision > 1) &&
-	    (table_compute_checksum((void *)rsdp, rsdp->length) != 0))
-		return NULL;
-	debug("acpi rsdp checksum 2 passed\n");
-
-	return rsdp;
-}
-
-struct acpi_fadt *acpi_find_fadt(void)
-{
-	char *p, *end;
-	struct acpi_rsdp *rsdp = NULL;
-	struct acpi_rsdt *rsdt;
-	struct acpi_fadt *fadt = NULL;
-	int i;
-
-	/* Find RSDP */
-	for (p = (char *)ROM_TABLE_ADDR; p < (char *)ROM_TABLE_END; p += 16) {
-		rsdp = acpi_valid_rsdp((struct acpi_rsdp *)p);
-		if (rsdp)
-			break;
-	}
-
-	if (rsdp == NULL)
-		return NULL;
-
-	debug("RSDP found at %p\n", rsdp);
-	rsdt = (struct acpi_rsdt *)rsdp->rsdt_address;
-
-	end = (char *)rsdt + rsdt->header.length;
-	debug("RSDT found at %p ends at %p\n", rsdt, end);
-
-	for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) {
-		fadt = (struct acpi_fadt *)rsdt->entry[i];
-		if (strncmp((char *)fadt, "FACP", 4) == 0)
-			break;
-		fadt = NULL;
-	}
-
-	if (fadt == NULL)
-		return NULL;
-
-	debug("FADT found at %p\n", fadt);
-	return fadt;
-}
-
-void *acpi_find_wakeup_vector(struct acpi_fadt *fadt)
-{
-	struct acpi_facs *facs;
-	void *wake_vec;
-
-	debug("Trying to find the wakeup vector...\n");
-
-	facs = (struct acpi_facs *)fadt->firmware_ctrl;
-
-	if (facs == NULL) {
-		debug("No FACS found, wake up from S3 not possible.\n");
-		return NULL;
-	}
-
-	debug("FACS found at %p\n", facs);
-	wake_vec = (void *)facs->firmware_waking_vector;
-	debug("OS waking vector is %p\n", wake_vec);
-
-	return wake_vec;
-}