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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>
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parent
7ae22d7278
commit
658fde8a36
1 changed files with 20 additions and 1 deletions
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@ -42,7 +42,7 @@ static int do_stboard(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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int ret;
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u32 otp;
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u32 otp, lock;
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u8 revision;
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unsigned long board, variant, bom;
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struct udevice *dev;
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@ -66,11 +66,20 @@ static int do_stboard(cmd_tbl_t *cmdtp, int flag, int argc,
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return CMD_RET_FAILURE;
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}
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ret = misc_read(dev, STM32_BSEC_LOCK(BSEC_OTP_BOARD),
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&lock, sizeof(lock));
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if (ret < 0) {
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puts("LOCK read error");
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return CMD_RET_FAILURE;
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}
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if (argc == 0) {
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if (!otp)
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puts("Board : OTP board FREE\n");
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else
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display_stboard(otp);
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printf(" OTP %d %s locked !\n", BSEC_OTP_BOARD,
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lock == 1 ? "" : "NOT");
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return CMD_RET_SUCCESS;
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}
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@ -129,6 +138,16 @@ static int do_stboard(cmd_tbl_t *cmdtp, int flag, int argc,
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puts("BOARD programming error\n");
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return CMD_RET_FAILURE;
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}
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/* write persistent lock */
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otp = 1;
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ret = misc_write(dev, STM32_BSEC_LOCK(BSEC_OTP_BOARD),
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&otp, sizeof(otp));
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if (ret < 0) {
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puts("BOARD lock error\n");
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return CMD_RET_FAILURE;
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}
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puts("BOARD programming done\n");
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return CMD_RET_SUCCESS;
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