New patch to review for coreboot: 460069f Add support for mainboard specific suspend/resume handler

[Stefan Reinauer]

Stefan Reinauer ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/852

-gerrit

commit 460069fb2ffab71a7e9dfd85a8a1020e74b47f07
Author: Stefan Reinauer 
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 
---
 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);