diff options
Diffstat (limited to 'src/ec/google/chromeec/ec.c')
| -rw-r--r-- | src/ec/google/chromeec/ec.c | 34 |
1 files changed, 33 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__ |