Following patch adds necessary hooks and as well the compile time checks for
ACPI suspend/resume.
The memory cleared now is just the coreboot memory not the low memory.
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4099 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/boot/hardwaremain.c b/src/boot/hardwaremain.c
index 74f3dfc..9a3adf7 100644
--- a/src/boot/hardwaremain.c
+++ b/src/boot/hardwaremain.c
@@ -37,6 +37,7 @@
#include <part/init_timer.h>
#include <boot/elf.h>
#include <romfs.h>
+#include <arch/acpi.h>
/**
* @brief Main function of the DRAM part of coreboot.
@@ -47,9 +48,11 @@
* Device Enumeration:
* In the dev_enumerate() phase,
*/
+
void hardwaremain(int boot_complete)
{
struct lb_memory *lb_mem;
+ void *wake_vec;
post_code(0x80);
@@ -84,11 +87,27 @@
dev_initialize();
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);
+#endif
+
/* Now that we have collected all of our information
* write our configuration tables.
*/
lb_mem = write_tables();
-
#if CONFIG_ROMFS == 1
# if USE_FALLBACK_IMAGE == 1
void (*pl)(void) = romfs_load_payload(lb_mem, "fallback/payload");