Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/852
-gerrit
commit 460069fb2ffab71a7e9dfd85a8a1020e74b47f07 Author: Stefan Reinauer stefan.reinauer@coreboot.org Date: Tue Apr 3 23:28:22 2012 +0200
Add support for mainboard specific suspend/resume handler
Some mainboards (most likely laptops) will need mainboard specific functions called upon a resume from suspend.
Change-Id: If1518a4b016bba776643adaef0ae64ff49f57e51 Signed-off-by: Stefan Reinauer reinauer@google.com --- src/arch/x86/boot/acpi.c | 6 +++++- src/arch/x86/include/arch/acpi.h | 1 + 2 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c index f81127a..f17e73e 100644 --- a/src/arch/x86/boot/acpi.c +++ b/src/arch/x86/boot/acpi.c @@ -474,8 +474,12 @@ void suspend_resume(void)
/* If we happen to be resuming find wakeup vector and jump to OS. */ wake_vec = acpi_find_wakeup_vector(); - if (wake_vec) + if (wake_vec) { + /* Call mainboard resume handler first, if defined. */ + if (mainboard_suspend_resume) + mainboard_suspend_resume(); acpi_jump_to_wakeup(wake_vec); + } }
/* This is to be filled by SB code - startup value what was found. */ diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h index 504d71b..8c521af 100644 --- a/src/arch/x86/include/arch/acpi.h +++ b/src/arch/x86/include/arch/acpi.h @@ -417,6 +417,7 @@ void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt); extern u8 acpi_slp_type;
void suspend_resume(void); +void __attribute__((weak)) mainboard_suspend_resume(void); void *acpi_find_wakeup_vector(void); void *acpi_get_wakeup_rsdp(void); void acpi_jump_to_wakeup(void *wakeup_addr);