New patch to review for coreboot: 39c11a8 add support for setting the vt8237 to uncond. power on after loss of power

[Florian Zumbiehl]

Florian Zumbiehl just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/383

-gerrit

commit 39c11a8aa6da368436a48f183764c26eb63096ba
Author: Florian Zumbiehl 
Date:   Tue Nov 1 20:19:04 2011 +0100

add support for setting the vt8237 to uncond. power on after loss of power

Change-Id: Iccc0dcd9f82e525c6c3abcec9f4ed0f2de581e63
    Signed-off-by: Florian Zumbiehl 
---
 src/southbridge/via/vt8237r/Kconfig |    4 ++++
 src/southbridge/via/vt8237r/lpc.c   |    9 +++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/src/southbridge/via/vt8237r/Kconfig b/src/southbridge/via/vt8237r/Kconfig
index d0a6deb..e4f73da 100644
--- a/src/southbridge/via/vt8237r/Kconfig
+++ b/src/southbridge/via/vt8237r/Kconfig
@@ -31,3 +31,7 @@ config BOOTBLOCK_SOUTHBRIDGE_INIT
    string
    default "southbridge/via/vt8237r/bootblock.c"
    depends on SOUTHBRIDGE_VIA_VT8237R
+
+config VT8237R_ON_AFTER_POWER_LOSS
+	bool
+
diff --git a/src/southbridge/via/vt8237r/lpc.c b/src/southbridge/via/vt8237r/lpc.c
index 4b3064a..ad0327a 100644
--- a/src/southbridge/via/vt8237r/lpc.c
+++ b/src/southbridge/via/vt8237r/lpc.c
@@ -511,6 +511,15 @@ static void vt8237_common_init(struct device *dev)
     */
    pci_write_config8(dev, 0x5b, 0xb);

+#if CONFIG_VT8237R_ON_AFTER_POWER_LOSS
+	/* make it so the board unconditionally powers on after loss of power */
+	enables = pci_read_config8(dev, 0x58);
+	pci_write_config8(dev, 0x58, enables & ~0x02);
+	outb(0x0d, 0x70);
+	outb(0x00, 0x71);
+	pci_write_config8(dev, 0x58, enables);
+#endif
+
    /* Set 0x58 to 0x43 APIC and RTC. */
    pci_write_config8(dev, 0x58, 0x43);