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Following patch adds necessary hooks and as well the compile time checks for

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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
This commit is contained in:
Rudolf Marek
2009-04-13 17:57:44 +00:00
parent 3f04dade05
commit a572f83e71
4 changed files with 44 additions and 3 deletions
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21
src/boot/hardwaremain.c
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@@ -37,6 +37,7 @@ it with the version available from LANL.
#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 @@ it with the version available from LANL.
* 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 @@ void hardwaremain(int boot_complete)
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");