[coreboot] [commit] r6545 - trunk/src/ec/lenovo/h8
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Wed Apr 27 21:47:29 CEST 2011
Author: svens
Date: Wed Apr 27 21:47:28 2011
New Revision: 6545
URL: https://tracker.coreboot.org/trac/coreboot/changeset/6545
Log:
Lenovo H8: add h8_ultrabay_device_present()
returns 1 if a CDROM/HDD device is plugging in the
ultrabay. Return 0 if there's a battery or superio
extensions plugged in.
Signed-off-by: Sven Schnelle <svens at stackframe.org>
Acked-by: Peter Stuge <peter at stuge.se>
Modified:
trunk/src/ec/lenovo/h8/h8.c
trunk/src/ec/lenovo/h8/h8.h
Modified: trunk/src/ec/lenovo/h8/h8.c
==============================================================================
--- trunk/src/ec/lenovo/h8/h8.c Wed Apr 27 01:47:04 2011 (r6544)
+++ trunk/src/ec/lenovo/h8/h8.c Wed Apr 27 21:47:28 2011 (r6545)
@@ -87,6 +87,11 @@
}
+int h8_ultrabay_device_present(void)
+{
+ return ec_read(H8_STATUS1) & 0x5 ? 0 : 1;
+}
+
static void h8_enable(device_t dev)
{
struct ec_lenovo_h8_config *conf = dev->chip_info;
Modified: trunk/src/ec/lenovo/h8/h8.h
==============================================================================
--- trunk/src/ec/lenovo/h8/h8.h Wed Apr 27 01:47:04 2011 (r6544)
+++ trunk/src/ec/lenovo/h8/h8.h Wed Apr 27 21:47:28 2011 (r6545)
@@ -25,6 +25,7 @@
void h8_set_audio_mute(int on);
void h8_enable_event(int event);
void h8_disable_event(int event);
+int h8_ultrabay_device_present(void);
/* EC registers */
#define H8_CONFIG0 0x00
@@ -102,6 +103,10 @@
#define H8_EVENT_FN_PRESS 0x39
+#define H8_STATUS0 0x46
+#define H8_STATUS1 0x47
+#define H8_STATUS2 0x48
+
#define H8_EVENT_BAT0 0x4a
#define H8_EVENT_BAT0_STATE 0x4b
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