x86: Remove HAVE_ACPI_RESUME

These are currently dead codes. Until we have complete ACPI support,
we don't know if it works or not. Remove to avoid confusion.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>

3 files changed, 0 insertions, 34 deletions

diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
index 03874448a6..343bfb4e98 100644
--- a/arch/x86/cpu/ivybridge/cpu.c
+++ b/arch/x86/cpu/ivybridge/cpu.c
@@ -298,16 +298,7 @@ int print_cpuinfo(void)
 	pm1_cnt = inl(DEFAULT_PMBASE + PM1_CNT);
 
 	if ((pm1_sts & WAK_STS) && ((pm1_cnt >> 10) & 7) == 5) {
-#if CONFIG_HAVE_ACPI_RESUME
-		debug("Resume from S3 detected.\n");
-		boot_mode = PEI_BOOT_RESUME;
-		/* Clear SLP_TYPE. This will break stage2 but
-		 * we care for that when we get there.
-		 */
-		outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + PM1_CNT);
-#else
 		debug("Resume from S3 detected, but disabled.\n");
-#endif
 	} else {
 		/*
 		 * TODO: An indication of life might be possible here (e.g.
diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c
index 3efd3e841f..af5d4a8908 100644
--- a/arch/x86/cpu/ivybridge/lpc.c
+++ b/arch/x86/cpu/ivybridge/lpc.c
@@ -240,15 +240,6 @@ static void pch_rtc_init(pci_dev_t dev)
 	}
 	debug("rtc_failed = 0x%x\n", rtc_failed);
 
-#if CONFIG_HAVE_ACPI_RESUME
-	/* Avoid clearing pending interrupts and resetting the RTC control
-	 * register in the resume path because the Linux kernel relies on
-	 * this to know if it should restart the RTC timerqueue if the wake
-	 * was due to the RTC alarm.
-	 */
-	if (acpi_get_slp_type() == 3)
-		return;
-#endif
 	/* TODO: Handle power failure */
 	if (rtc_failed)
 		printf("RTC power failed\n");
diff --git a/arch/x86/cpu/ivybridge/northbridge.c b/arch/x86/cpu/ivybridge/northbridge.c
index e95e60e519..e3d8c139df 100644
--- a/arch/x86/cpu/ivybridge/northbridge.c
+++ b/arch/x86/cpu/ivybridge/northbridge.c
@@ -169,20 +169,4 @@ void northbridge_init(pci_dev_t dev)
 
 void northbridge_enable(pci_dev_t dev)
 {
-#if CONFIG_HAVE_ACPI_RESUME
-	switch (x86_pci_read_config32(dev, SKPAD)) {
-	case 0xcafebabe:
-		debug("Normal boot.\n");
-		apci_set_slp_type(0);
-		break;
-	case 0xcafed00d:
-		debug("S3 Resume.\n");
-		apci_set_slp_type(3);
-		break;
-	default:
-		debug("Unknown boot method, assuming normal.\n");
-		apci_set_slp_type(0);
-		break;
-	}
-#endif
 }