chromeec: Allow get_board_version to be called from romstage.

We will soon need to call google_chromeec_get_board_version to determine
correct DDR SPD. We must do so before DDR is initialized, so allow this
function to be called from romstage.

Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>

Change-Id: I882d84e38d11bf66067193a6f408f941f2cf8a81
Reviewed-on: https://gerrit.chromium.org/gerrit/61191
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/4351
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

2 files changed, 18 insertions, 18 deletions

diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c
index 7546a82ee8..f1cefae4f2 100644
--- a/src/ec/google/chromeec/ec.c
+++ b/src/ec/google/chromeec/ec.c
@@ -132,6 +132,23 @@ void google_chromeec_early_init(void)
 		hlt();
 	}
 }
+
+u16 google_chromeec_get_board_version(void)
+{
+	struct chromeec_command cmd;
+	struct ec_response_board_version board_v;
+
+	cmd.cmd_code = EC_CMD_GET_BOARD_VERSION;
+	cmd.cmd_version = 0;
+	cmd.cmd_size_in = 0;
+	cmd.cmd_size_out = sizeof(board_v);
+	cmd.cmd_data_out = &board_v;
+
+	if (google_chromeec_command(&cmd) != 0)
+		return 0;
+
+	return board_v.board_version;
+}
 #endif /* ! __SMM__ */
 
 #ifndef __PRE_RAM__
@@ -308,23 +325,6 @@ void google_chromeec_log_events(u32 mask)
 #endif
 }
 
-u16 google_chromeec_get_board_version(void)
-{
-	struct chromeec_command cmd;
-	struct ec_response_board_version board_v;
-
-	cmd.cmd_code = EC_CMD_GET_BOARD_VERSION;
-	cmd.cmd_version = 0;
-	cmd.cmd_size_in = 0;
-	cmd.cmd_size_out = sizeof(board_v);
-	cmd.cmd_data_out = &board_v;
-
-	if (google_chromeec_command(&cmd) != 0)
-		return 0;
-
-	return board_v.board_version;
-}
-
 int google_chromeec_set_usb_charge_mode(u8 port_id, enum usb_charge_mode mode)
 {
 	struct chromeec_command cmd;
diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h
index f661d311a8..a037d0147d 100644
--- a/src/ec/google/chromeec/ec.h
+++ b/src/ec/google/chromeec/ec.h
@@ -33,12 +33,12 @@ int google_chromeec_set_smi_mask(u32 mask);
 int google_chromeec_set_wake_mask(u32 mask);
 u8 google_chromeec_get_event(void);
 int google_ec_running_ro(void);
-u16 google_chromeec_get_board_version(void);
 void google_chromeec_init(void);
 #endif
 
 void google_chromeec_early_init(void);
 uint8_t google_chromeec_calc_checksum(const uint8_t *data, int size);
+u16 google_chromeec_get_board_version(void);
 u32 google_chromeec_get_events_b(void);
 int google_chromeec_kbbacklight(int percent);
 void google_chromeec_post(u8 postcode);