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authorAlexander Couzens <lynxis@fe80.eu>2015-02-06 22:27:33 +0100
committerPeter Stuge <peter@stuge.se>2015-04-08 08:41:59 +0200
commit0edf419852501583985475ae7084e508dc66eb8f (patch)
tree8a8eae64beefa9ad9884c7fd6cabfee8e2f999ac /util/ectool/ec.c
parent46ca3a55344b326553358b5119cb8a342a493ed4 (diff)
downloadcoreboot-0edf419852501583985475ae7084e508dc66eb8f.tar.xz
ectool: add query function to ectool
`ectool -q` - Query the EC IRQ byte. Should return 0x00 otherwise the IRQ handler is usally broken or disabled. Tested-on: Lenovo X201t Change-Id: I0b8c2dbcf38d2eab89d0fbea05795759c4517f6d Signed-off-by: Alexander Couzens <lynxis@fe80.eu> Reviewed-on: http://review.coreboot.org/8382 Tested-by: build bot (Jenkins) Reviewed-by: Nicolas Reinecke <nr@das-labor.org> Reviewed-by: Peter Stuge <peter@stuge.se>
Diffstat (limited to 'util/ectool/ec.c')
-rw-r--r--util/ectool/ec.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/util/ectool/ec.c b/util/ectool/ec.c
index 0f5b891d54..323a43fe73 100644
--- a/util/ectool/ec.c
+++ b/util/ectool/ec.c
@@ -147,3 +147,9 @@ uint8_t ec_idx_read(uint16_t addr)
return inb(lpc_idx + 3);
}
+
+uint8_t ec_query(void)
+{
+ send_ec_command(QR_EC);
+ return recv_ec_data();
+}