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-rw-r--r--src/ec/google/chromeec/ec.c34
-rw-r--r--src/ec/google/chromeec/ec.h1
2 files changed, 34 insertions, 1 deletions
diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c
index ab4db545fc..24f9693735 100644
--- a/src/ec/google/chromeec/ec.c
+++ b/src/ec/google/chromeec/ec.c
@@ -18,6 +18,7 @@
*/
#include <stdint.h>
+#include <string.h>
#include <console/console.h>
#include <bootmode.h>
#include <arch/io.h>
@@ -26,7 +27,6 @@
#include <reset.h>
#include <elog.h>
#include <stdlib.h>
-#include <string.h>
#include "chip.h"
#include "ec.h"
@@ -154,6 +154,38 @@ u16 google_chromeec_get_board_version(void)
return board_v.board_version;
}
+
+int google_chromeec_vbnv_context(int is_read, uint8_t *data, int len)
+{
+ struct chromeec_command cec_cmd;
+ struct ec_params_vbnvcontext cmd_vbnvcontext;
+ struct ec_response_vbnvcontext rsp_vbnvcontext;
+
+ if (len != EC_VBNV_BLOCK_SIZE)
+ return -1;
+
+
+ cec_cmd.cmd_code = EC_CMD_VBNV_CONTEXT;
+ cec_cmd.cmd_version = EC_VER_VBNV_CONTEXT;
+ cec_cmd.cmd_data_in = &cmd_vbnvcontext;
+ cec_cmd.cmd_data_out = &rsp_vbnvcontext;
+ cec_cmd.cmd_size_in = sizeof(cmd_vbnvcontext);
+ cec_cmd.cmd_size_out = sizeof(rsp_vbnvcontext);
+
+ cmd_vbnvcontext.op = is_read ? EC_VBNV_CONTEXT_OP_READ :
+ EC_VBNV_CONTEXT_OP_WRITE;
+
+ if (!is_read)
+ memcpy(&cmd_vbnvcontext.block, data, EC_VBNV_BLOCK_SIZE);
+
+ google_chromeec_command(&cec_cmd);
+
+ if (is_read)
+ memcpy(data, &rsp_vbnvcontext.block, EC_VBNV_BLOCK_SIZE);
+
+ return cec_cmd.cmd_code;
+}
+
#endif /* ! __SMM__ */
#ifndef __PRE_RAM__
diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h
index d033bab73a..cf77b692f7 100644
--- a/src/ec/google/chromeec/ec.h
+++ b/src/ec/google/chromeec/ec.h
@@ -46,6 +46,7 @@ u32 google_chromeec_get_events_b(void);
int google_chromeec_kbbacklight(int percent);
void google_chromeec_post(u8 postcode);
void google_chromeec_log_events(u32 mask);
+int google_chromeec_vbnv_context(int is_read, uint8_t *data, int len);
enum usb_charge_mode {
USB_CHARGE_MODE_DISABLED,