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git.ipfire.org Git - people/ms/u-boot.git/blob - common/cros_ec.c
2 * Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
6 * Alternatively, this software may be distributed under the terms of the
7 * GNU General Public License ("GPL") version 2 as published by the Free
16 DECLARE_GLOBAL_DATA_PTR
;
18 #ifndef CONFIG_DM_CROS_EC
20 struct cros_ec_dev
*cros_ec_dev
; /* Pointer to cros_ec device */
21 int cros_ec_err
; /* Error for cros_ec, 0 if ok */
24 static struct local_info local
;
27 struct cros_ec_dev
*board_get_cros_ec_dev(void)
29 #ifdef CONFIG_DM_CROS_EC
33 ret
= uclass_get_device(UCLASS_CROS_EC
, 0, &dev
);
35 debug("%s: Error %d\n", __func__
, ret
);
38 return dev
->uclass_priv
;
40 return local
.cros_ec_dev
;
44 static int board_init_cros_ec_devices(const void *blob
)
46 #ifndef CONFIG_DM_CROS_EC
47 local
.cros_ec_err
= cros_ec_init(blob
, &local
.cros_ec_dev
);
48 if (local
.cros_ec_err
)
49 return -1; /* Will report in board_late_init() */
55 int cros_ec_board_init(void)
57 return board_init_cros_ec_devices(gd
->fdt_blob
);
60 int cros_ec_get_error(void)
62 #ifdef CONFIG_DM_CROS_EC
66 ret
= uclass_get_device(UCLASS_CROS_EC
, 0, &dev
);
67 if (ret
&& ret
!= -ENODEV
)
72 return local
.cros_ec_err
;