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mfd: cros_ec: Add API for rwsig

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Add command to retrieve signature of image stored in the RW memory
slot(s).

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Fabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Gwendal Grignou
2019-06-03 11:33:58 -07:00
committed by Lee Jones
parent da038d6ee7
commit a0d50b31ce
1 changed files with 26 additions and 0 deletions
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26
include/linux/mfd/cros_ec_commands.h
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@@ -5043,6 +5043,32 @@ struct ec_response_pd_chip_info_v1 {
};
} __ec_align2;
/* Run RW signature verification and get status */
#define EC_CMD_RWSIG_CHECK_STATUS 0x011C
struct ec_response_rwsig_check_status {
uint32_t status;
} __ec_align4;
/* For controlling RWSIG task */
#define EC_CMD_RWSIG_ACTION 0x011D
enum rwsig_action {
RWSIG_ACTION_ABORT = 0, /* Abort RWSIG and prevent jumping */
RWSIG_ACTION_CONTINUE = 1, /* Jump to RW immediately */
};
struct ec_params_rwsig_action {
uint32_t action;
} __ec_align4;
/* Run verification on a slot */
#define EC_CMD_EFS_VERIFY 0x011E
struct ec_params_efs_verify {
uint8_t region; /* enum ec_flash_region */
} __ec_align1;
/*****************************************************************************/
/* Fingerprint MCU commands: range 0x0400-0x040x */