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-rw-r--r--src/arch/i386/boot/acpi.c37
-rw-r--r--src/arch/i386/include/arch/acpi.h39
-rw-r--r--src/boot/hardwaremain.c23
3 files changed, 70 insertions, 29 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);
diff --git a/src/boot/hardwaremain.c b/src/boot/hardwaremain.c
index 99c4d3079c..c22754fe28 100644
--- a/src/boot/hardwaremain.c
+++ b/src/boot/hardwaremain.c
@@ -28,16 +28,16 @@ it with the version available from LANL.
#include <console/console.h>
#include <version.h>
-#include <boot/tables.h>
#include <device/device.h>
#include <device/pci.h>
#include <delay.h>
#include <stdlib.h>
#include <part/hard_reset.h>
#include <part/init_timer.h>
+#include <boot/tables.h>
#include <boot/elf.h>
#include <cbfs.h>
-#if HAVE_ACPI_RESUME == 1
+#if HAVE_ACPI_RESUME
#include <arch/acpi.h>
#endif
@@ -54,9 +54,6 @@ it with the version available from LANL.
void hardwaremain(int boot_complete)
{
struct lb_memory *lb_mem;
-#if HAVE_ACPI_RESUME == 1
- void *wake_vec;
-#endif
post_code(0x80);
@@ -92,20 +89,8 @@ void hardwaremain(int boot_complete)
post_code(0x89);
#if HAVE_ACPI_RESUME == 1
-
-#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
- /* 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);
+ suspend_resume();
+ post_code(0x8a);
#endif
/* Now that we have collected all of our information
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 16:38:58 +0000