From: Sascha Hauer <sha@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/2] ARM: i.MX: fusemap-ocotp: add sec fuses for i.MX8M
Date: Wed, 4 Oct 2023 09:42:44 +0200 [thread overview]
Message-ID: <20231004074244.GF235829@pengutronix.de> (raw)
In-Reply-To: <20231002092043.3097587-2-a.fatoum@pengutronix.de>
On Mon, Oct 02, 2023 at 11:20:42AM +0200, Ahmad Fatoum wrote:
> From: Rouven Czerwinski <r.czerwinski@pengutronix.de>
>
> For i.MX8M devices, the security config 1 fuse was moved to 0x470[25].
> Additionally, all devices except the i.MX8MQ have the DIR_BT_DIS fused
> within the factory, see [1].
>
> [1]: https://community.nxp.com/t5/i-MX-Processors/DIR-BT-DIS-and-others/m-p/1220615/highlight/true#M168363
>
> Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> ---
> include/mach/imx/ocotp-fusemap.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/include/mach/imx/ocotp-fusemap.h b/include/mach/imx/ocotp-fusemap.h
> index 6ba794c16619..02ac5d8e73bb 100644
> --- a/include/mach/imx/ocotp-fusemap.h
> +++ b/include/mach/imx/ocotp-fusemap.h
> @@ -53,5 +53,9 @@
> #define OCOTP_GP1 (OCOTP_WORD(0x660) | OCOTP_BIT(0) | OCOTP_WIDTH(32))
> #define OCOTP_GP2 (OCOTP_WORD(0x670) | OCOTP_BIT(0) | OCOTP_WIDTH(32))
> #define OCOTP_PAD_SETTINGS (OCOTP_WORD(0x6d0) | OCOTP_BIT(0) | OCOTP_WIDTH(6))
> +/* i.MX8M moved the security related fuses */
> +#define MX8M_OCOTP_SEC_CONFIG_1 (OCOTP_WORD(0x470) | OCOTP_BIT(25) | OCOTP_WIDTH(1))
> +/* Only MX8MQ requires fusing of DIR_BT_DIS */
> +#define MX8MQ_OCOTP_DIR_BT_DIS (OCOTP_WORD(0x470) | OCOTP_BIT(27) | OCOTP_WIDTH(1))
You can merge this into the patch using the defines.
Sascha
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next prev parent reply other threads:[~2023-10-04 7:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-02 9:20 [PATCH 0/2] HAB: i.MX8M: fix fuse location Ahmad Fatoum
2023-10-02 9:20 ` [PATCH 1/2] ARM: i.MX: fusemap-ocotp: add sec fuses for i.MX8M Ahmad Fatoum
2023-10-04 7:42 ` Sascha Hauer [this message]
2023-10-02 9:20 ` [PATCH 2/2] HAB: extend fuse information with i.MX8M Ahmad Fatoum
2023-10-04 4:56 ` Marco Felsch
2023-10-04 7:35 ` Sascha Hauer
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