diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2020-02-12 21:37:39 +0300 |
|---|---|---|
| committer | Patrick Delaunay <patrick.delaunay@st.com> | 2020-03-24 16:05:35 +0300 |
| commit | 658fde8a36ff1f1e95b8f0cbe7382b6f2b83725a (patch) | |
| tree | 95c919ab8202aa7b5b12e38a39c3a77f36542a1e /board/st | |
| parent | 7ae22d72781de76b3c23b018a3fccc172e9875de (diff) | |
| download | u-boot-658fde8a36ff1f1e95b8f0cbe7382b6f2b83725a.tar.xz | |
board: stm32mp1: stboard: lock the OTP after programming
Lock the OTP used for board identification for the ST boards after
programming.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'board/st')
| -rw-r--r-- | board/st/common/cmd_stboard.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/board/st/common/cmd_stboard.c b/board/st/common/cmd_stboard.c index c7ca773b1c..1573e35410 100644 --- a/board/st/common/cmd_stboard.c +++ b/board/st/common/cmd_stboard.c @@ -42,7 +42,7 @@ static int do_stboard(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int ret; - u32 otp; + u32 otp, lock; u8 revision; unsigned long board, variant, bom; struct udevice *dev; @@ -66,11 +66,20 @@ static int do_stboard(cmd_tbl_t *cmdtp, int flag, int argc, return CMD_RET_FAILURE; } + ret = misc_read(dev, STM32_BSEC_LOCK(BSEC_OTP_BOARD), + &lock, sizeof(lock)); + if (ret < 0) { + puts("LOCK read error"); + return CMD_RET_FAILURE; + } + if (argc == 0) { if (!otp) puts("Board : OTP board FREE\n"); else display_stboard(otp); + printf(" OTP %d %s locked !\n", BSEC_OTP_BOARD, + lock == 1 ? "" : "NOT"); return CMD_RET_SUCCESS; } @@ -129,6 +138,16 @@ static int do_stboard(cmd_tbl_t *cmdtp, int flag, int argc, puts("BOARD programming error\n"); return CMD_RET_FAILURE; } + + /* write persistent lock */ + otp = 1; + ret = misc_write(dev, STM32_BSEC_LOCK(BSEC_OTP_BOARD), + &otp, sizeof(otp)); + if (ret < 0) { + puts("BOARD lock error\n"); + return CMD_RET_FAILURE; + } + puts("BOARD programming done\n"); return CMD_RET_SUCCESS; |