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authorFurquan Shaikh <furquan@chromium.org>2017-09-25 08:04:49 -0700
committerFurquan Shaikh <furquan@google.com>2017-09-26 13:38:44 +0000
commita2094835b1622039d311d76d26be0b5b456ddfc9 (patch)
treedfe4a5107a1d2571b1f0717c9272eb0fabbf34c9 /src/ec
parentd4955f0ade18cafde4a3ea20885eb9fbdc5b4514 (diff)
downloadcoreboot-a2094835b1622039d311d76d26be0b5b456ddfc9.tar.xz
chromeec: Provide helper routine to read boardid from Chrome EC
Instead of duplicating the code across multiple mainboards, provide a helper function to read boardid from Chrome EC. Change-Id: I2008de7032bc880e90b2c3c385b2a67bfb8724cc Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/21681 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/google/chromeec/Kconfig6
-rw-r--r--src/ec/google/chromeec/Makefile.inc3
-rw-r--r--src/ec/google/chromeec/ec_boardid.c27
3 files changed, 36 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/Kconfig b/src/ec/google/chromeec/Kconfig
index 3e9cb29375..f05f15749e 100644
--- a/src/ec/google/chromeec/Kconfig
+++ b/src/ec/google/chromeec/Kconfig
@@ -11,6 +11,12 @@ config EC_GOOGLE_CHROMEEC_ACPI_MEMMAP
not defined, the memmap data is instead accessed on 900h-9ffh via
the LPC bus.
+config EC_GOOGLE_CHROMEEC_BOARDID
+ depends on EC_GOOGLE_CHROMEEC
+ def_bool n
+ help
+ Provides common routine for reading boardid from Chrome EC.
+
config EC_GOOGLE_CHROMEEC_I2C
depends on EC_GOOGLE_CHROMEEC
bool
diff --git a/src/ec/google/chromeec/Makefile.inc b/src/ec/google/chromeec/Makefile.inc
index 2fe6994884..7b43f6357d 100644
--- a/src/ec/google/chromeec/Makefile.inc
+++ b/src/ec/google/chromeec/Makefile.inc
@@ -1,5 +1,8 @@
ifeq ($(CONFIG_EC_GOOGLE_CHROMEEC),y)
+romstage-$(CONFIG_EC_GOOGLE_CHROMEEC_BOARDID) += ec_boardid.c
+ramstage-$(CONFIG_EC_GOOGLE_CHROMEEC_BOARDID) += ec_boardid.c
+
bootblock-y += ec.c
bootblock-$(CONFIG_EC_GOOGLE_CHROMEEC_LPC) += ec_lpc.c
bootblock-$(CONFIG_EC_GOOGLE_CHROMEEC_MEC) += ec_mec.c
diff --git a/src/ec/google/chromeec/ec_boardid.c b/src/ec/google/chromeec/ec_boardid.c
new file mode 100644
index 0000000000..440a5a9f07
--- /dev/null
+++ b/src/ec/google/chromeec/ec_boardid.c
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <boardid.h>
+#include <ec/google/chromeec/ec.h>
+
+uint8_t board_id(void)
+{
+ MAYBE_STATIC int id = -1;
+
+ if (id < 0)
+ id = google_chromeec_get_board_version();
+
+ return id;
+}