From a09ca687e7719ef0767f3febb8980725da800eb8 Mon Sep 17 00:00:00 2001 From: Bharat Kumar Reddy Gooty Date: Thu, 20 Aug 2020 20:41:06 +0530 Subject: cmd: broadcom: add command for chimp handshake Add command for chimp handshake. Handshake is used to know chimp is loaded and booted successfully. Signed-off-by: Bharat Kumar Reddy Gooty Signed-off-by: Rayagonda Kokatanur Reviewed-by: Simon Glass --- cmd/broadcom/Makefile | 1 + cmd/broadcom/chimp_handshake.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) create mode 100644 cmd/broadcom/chimp_handshake.c (limited to 'cmd') diff --git a/cmd/broadcom/Makefile b/cmd/broadcom/Makefile index 6cdece1..62268d9 100644 --- a/cmd/broadcom/Makefile +++ b/cmd/broadcom/Makefile @@ -3,3 +3,4 @@ obj-y += chimp_boot.o obj-y += nitro_image_load.o +obj-y += chimp_handshake.o diff --git a/cmd/broadcom/chimp_handshake.c b/cmd/broadcom/chimp_handshake.c new file mode 100644 index 0000000..a90a73a --- /dev/null +++ b/cmd/broadcom/chimp_handshake.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020 Broadcom + */ + +#include +#include +#include + +/* This command should be called after loading the nitro binaries */ +static int do_chimp_hs(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + int ret = CMD_RET_USAGE; + u32 hstatus; + + /* Returns 1, if handshake call is success */ + if (chimp_handshake_status_optee(0, &hstatus)) + ret = CMD_RET_SUCCESS; + + if (hstatus == CHIMP_HANDSHAKE_SUCCESS) + printf("ChiMP Handshake successful\n"); + else + printf("ERROR: ChiMP Handshake status 0x%x\n", hstatus); + + return ret; +} + +U_BOOT_CMD + (chimp_hs, 1, 1, do_chimp_hs, + "Verify the Chimp handshake", + "chimp_hs\n" +); -- cgit v1.1