* move i386 / ACPI dependent code out of hardwaremain.c and into the i386

  acpi code.
* add some defines for FADT flags

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4167 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 66 insertions, 10 deletions

diff --git a/src/arch/i386/boot/acpi.c b/src/arch/i386/boot/acpi.c
index c7046e1b31..b6aa19ff1b 100644
--- a/src/arch/i386/boot/acpi.c
+++ b/src/arch/i386/boot/acpi.c
@@ -1,8 +1,8 @@
 /*
  * coreboot ACPI Table support
  * written by Stefan Reinauer <stepan@openbios.org>
- *  (C) 2004 SUSE LINUX AG
- *  (C) 2005 Stefan Reinauer
+ *  Copyright (C) 2004 SUSE LINUX AG
+ *  Copyright (C) 2005-2009 coresystems GmbH
  *
  * ACPI FADT, FACS, and DSDT table support added by 
  * Nick Barker <nick.barker9@btinternet.com>, and those portions
@@ -27,11 +27,6 @@
 #include <arch/acpigen.h>
 #include <device/pci.h>
 
-#if HAVE_ACPI_RESUME == 1
-/* this is to be filled by SB code - startup value what was found */
-u8 acpi_slp_type;
-#endif
-
 u8 acpi_checksum(u8 *table, u32 length)
 {
 	u8 ret=0;
@@ -81,7 +76,6 @@ int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base, u16 seg_
 	return (sizeof(acpi_mcfg_mmconfig_t));
 }
 
-
 int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
 {
 	lapic->type=0;
@@ -378,6 +372,29 @@ void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
 }
 
 #if HAVE_ACPI_RESUME == 1
+void suspend_resume(void)
+{
+	void *wake_vec;
+
+#if 0
+#if MEM_TRAIN_SEQ != 0
+	#error "So far it works on AMD and MEM_TRAIN_SEQ == 0"
+#endif
+
+#if _RAMBASE < 0x1F00000
+	#error "For ACPI RESUME you need to have _RAMBASE at least 31MB"
+	#error "Chipset support (S3_NVRAM_EARLY and ACPI_IS_WAKEUP_EARLY functions and memory ctrl)"
+	#error "And coreboot memory reserved in mainboard.c"
+#endif
+#endif
+	/* if we happen to be resuming find wakeup vector and jump to OS */
+	wake_vec = acpi_find_wakeup_vector();
+	if (wake_vec)
+		acpi_jump_to_wakeup(wake_vec);
+}
+
+/* this is to be filled by SB code - startup value what was found */
+u8 acpi_slp_type = 0;
 
 int acpi_get_sleep_type(void)
 {
@@ -461,8 +478,10 @@ void *acpi_find_wakeup_vector(void)
 	printk_debug("FADT found at %p\n", fadt);
 	facs = fadt->firmware_ctrl;
 
-	if (facs == NULL)
+	if (facs == NULL) {
+		printk_debug("No FACS found, wake up from S3 not possible.\n");
 		return NULL;
+	}
 
 	printk_debug("FACS found at %p\n", facs);
 	wake_vec = (void *) facs->firmware_waking_vector;
diff --git a/src/arch/i386/include/arch/acpi.h b/src/arch/i386/include/arch/acpi.h
index 99bec4b30c..c2ed67971e 100644
--- a/src/arch/i386/include/arch/acpi.h
+++ b/src/arch/i386/include/arch/acpi.h
@@ -17,8 +17,10 @@
 
 #include <stdint.h>
  
+#if HAVE_ACPI_RESUME
 /* 0 = S0, 1 = S1 ...*/
 extern u8 acpi_slp_type;
+#endif
 
 #define RSDP_SIG              "RSD PTR "  /* RSDT Pointer signature */
 #define RSDP_NAME             "RSDP"
@@ -277,6 +279,37 @@ typedef struct acpi_fadt {
 	struct acpi_gen_regaddr x_gpe1_blk;
 } __attribute__ ((packed)) acpi_fadt_t;
 
+#define ACPI_FADT_WBINVD		(1 << 0)
+#define ACPI_FADT_WBINVD_FLUSH		(1 << 1)
+#define ACPI_FADT_C1_SUPPORTED		(1 << 2)
+#define ACPI_FADT_C2_MP_SUPPORTED	(1 << 3)
+#define ACPI_FADT_POWER_BUTTON		(1 << 4)
+#define ACPI_FADT_SLEEP_BUTTON		(1 << 5)
+#define ACPI_FADT_FIXED_RTC		(1 << 6)
+#define ACPI_FADT_S4_RTC_WAKE		(1 << 7)
+#define ACPI_FADT_32BIT_TIMER		(1 << 8)
+#define ACPI_FADT_DOCKING_SUPPORTED	(1 << 9)
+#define ACPI_FADT_RESET_REGISTER	(1 << 10)
+#define ACPI_FADT_SEALED_CASE		(1 << 11)
+#define ACPI_FADT_HEADLESS		(1 << 12)
+#define ACPI_FADT_SLEEP_TYPE		(1 << 13)
+#define ACPI_FADT_PCI_EXPRESS_WAKE	(1 << 14)
+#define ACPI_FADT_PLATFORM_CLOCK	(1 << 15)
+#define ACPI_FADT_S4_RTC_VALID		(1 << 16)
+#define ACPI_FADT_REMOTE_POWER_ON	(1 << 17)
+#define ACPI_FADT_APIC_CLUSTER		(1 << 18)
+#define ACPI_FADT_APIC_PHYSICAL		(1 << 19)
+
+enum acpi_preferred_pm_profiles {
+	PM_UNSPECIFIED	= 0,
+	PM_DESKTOP	= 1,
+	PM_MOBILE	= 2,
+	PM_WORKSTATION	= 3,
+	PM_ENTERPRISE	= 4,
+	PM_SOHO_SERVER  = 5,
+	PM_APPLIANCE_PC	= 6
+};
+
 /* FACS */
 typedef struct acpi_facs {
 	char signature[4];
@@ -333,10 +366,14 @@ void acpi_create_facs(acpi_facs_t *facs);
 
 void acpi_write_rsdt(acpi_rsdt_t *rsdt);
 void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt);
+
+#if HAVE_ACPI_RESUME
+void suspend_resume(void);
 void *acpi_find_wakeup_vector(void);
 void *acpi_get_wakeup_rsdp(void);
-extern void acpi_jmp_to_realm_wakeup(u32 linear_addr);
+void acpi_jmp_to_realm_wakeup(u32 linear_addr);
 void acpi_jump_to_wakeup(void *wakeup_addr);
+#endif
 
 unsigned long acpi_add_ssdt_pstates(acpi_rsdt_t *rsdt, unsigned long current);