Hi Simon,
Acked-by: Christophe Ricard christophe-h.ricard@st.com
Best Regards Christophe
On 11/08/2015 16:48, Simon Glass wrote:
Add a command to display basic information about a TPM such as the model and open/close state. This can be useful for debugging.
Signed-off-by: Simon Glass sjg@chromium.org
common/cmd_tpm.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/common/cmd_tpm.c b/common/cmd_tpm.c index 2783895..3d0adf8 100644 --- a/common/cmd_tpm.c +++ b/common/cmd_tpm.c @@ -456,6 +456,26 @@ static int get_tpm(struct udevice **devp)
return 0; }
+static int do_tpm_info(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])+{
- struct udevice *dev;
- char buf[80];
- int rc;
- rc = get_tpm(&dev);
- if (rc)
return rc;- rc = tis_get_desc(dev, buf, sizeof(buf));
- if (rc < 0) {
printf("Couldn't get TPM info (%d)\n", rc);return CMD_RET_FAILURE;- }
- printf("%s\n", buf);
- return 0;
+} #endif
static int do_tpm_raw_transfer(cmd_tbl_t *cmdtp, int flag, @@ -637,6 +657,9 @@ TPM_COMMAND_NO_ARG(tpm_end_oiap) U_BOOT_CMD_MKENT(cmd, 0, 1, do_tpm_ ## cmd, "", "")
static cmd_tbl_t tpm_commands[] = { +#ifdef CONFIG_DM_TPM
- U_BOOT_CMD_MKENT(info, 0, 1, do_tpm_info, "", ""),
+#endif U_BOOT_CMD_MKENT(init, 0, 1, do_tpm_init, "", ""), U_BOOT_CMD_MKENT(startup, 0, 1, @@ -707,6 +730,9 @@ U_BOOT_CMD(tpm, CONFIG_SYS_MAXARGS, 1, do_tpm, "cmd args...\n" " - Issue TPM command <cmd> with arguments <args...>.\n" "Admin Startup and State Commands:\n" +#ifdef CONFIG_DM_TPM +" info - Show information about the TPM\n" +#endif " init\n" " - Put TPM into a state where it waits for 'startup' command.\n" " startup mode\n"