From: Marco Felsch <m.felsch@pengutronix.de>
To: Sascha Hauer <sha@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 14/26] ARM: lds: add support for a 2nd CSF area
Date: Mon, 16 Oct 2023 07:45:47 +0200 [thread overview]
Message-ID: <20231016054547.aqohhitkpsc54icp@pengutronix.de> (raw)
In-Reply-To: <20231013063759.GL3359458@pengutronix.de>
On 23-10-13, Sascha Hauer wrote:
> On Tue, Oct 10, 2023 at 04:33:02PM +0200, Marco Felsch wrote:
> > Extend the CSF area to be able two store two CSF slots. The 2nd CSF slot
> > is required in case of FlexSPI HAB boot support. The first slot is used
> > for the MMC-IVT + barebox-pbl; the 2nd slot is used for the FlexSPI-IVT
> > + barebox-pbl. This is necessary because of the fact that the HAB ROM
> > code requires that the IVT is signed as well.
> >
> > Use the CONFIG_SPI_NXP_FLEXSPI Kconfig symbol to decide if we need to
> > add the support for FlexSPI image signatures as well since early SRAM
> > space is limited and 4K can make a difference here.
> >
> > Please check the documentation for a more detailed information about the
> > i.MX8M image layout.
> >
> > Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> > ---
> > arch/arm/lib/pbl.lds.S | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/arch/arm/lib/pbl.lds.S b/arch/arm/lib/pbl.lds.S
> > index 898d6be33b54..9ab6d22eb59d 100644
> > --- a/arch/arm/lib/pbl.lds.S
> > +++ b/arch/arm/lib/pbl.lds.S
> > @@ -12,7 +12,11 @@
> > #define BASE (TEXT_BASE - SZ_2M)
> > #endif
> >
> > +#ifdef CONFIG_SPI_NXP_FLEXSPI
> > +#define HAB_CSF_LEN 0x4000
> > +#else
> > #define HAB_CSF_LEN 0x2000
> > +#endif
>
> No. Enabling/Disabling the FlexSPI driver shouldn't influence the image
> layout.
>
> Having the driver enabled doesn't necessarily mean you want to use it
> for booting. Having the driver disabled doesn't necessarily mean you are
> *not* booting from it.
You're right, it's a bit to simple. I will rework that.
Regards,
Marco
>
> Sascha
>
> --
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>
next prev parent reply other threads:[~2023-10-16 5:47 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-10 14:32 [PATCH 00/26] i.MX8M HAB Fixes Marco Felsch
2023-10-10 14:32 ` [PATCH 01/26] kbuild: clean start*_*.{p,ps}imximg files Marco Felsch
2023-10-10 14:32 ` [PATCH 02/26] i.MX: HABv4: fix event status comparison Marco Felsch
2023-10-10 14:32 ` [PATCH 03/26] i.MX: HABv4: fix i.MX8MQ device lockdown Marco Felsch
2023-10-10 18:35 ` [PATCH] fixup! " Ahmad Fatoum
2023-10-11 5:00 ` Marco Felsch
2023-10-10 14:32 ` [PATCH 04/26] i.MX: HAB: remove unused init() hook Marco Felsch
2023-10-10 14:32 ` [PATCH 05/26] i.MX: HABv4: extend support to i.MX8M SoCs Marco Felsch
2023-10-10 14:32 ` [PATCH 06/26] i.MX: HABv4: retrieve HAB ROM version for i.MX8M Marco Felsch
2023-10-10 14:32 ` [PATCH 07/26] ARM: i.MX: allow HAB for i.MX8M family Marco Felsch
2023-10-10 14:32 ` [PATCH 08/26] ARM: i.MX: introduce build_imx8m_habv4img Marco Felsch
2023-10-10 14:32 ` [PATCH 09/26] ARM: i.MX: convert i.MX8M to helper Marco Felsch
2023-10-10 14:32 ` [PATCH 10/26] ARM: boards: i.MX8M: add HAB image support Marco Felsch
2023-10-10 14:32 ` [PATCH 11/26] ARM: i.MX8M: add flexspi-imx8m{m,p}-cfg.h header Marco Felsch
2023-10-13 6:27 ` Sascha Hauer
2023-10-16 5:44 ` Marco Felsch
2023-10-10 14:33 ` [PATCH 12/26] ARM: boards: i.MX8M: make use of new " Marco Felsch
2023-10-10 14:33 ` [PATCH 13/26] ARM: lds: introduce HAB_CSF_LEN define for the hab_csf section Marco Felsch
2023-10-10 14:33 ` [PATCH 14/26] ARM: lds: add support for a 2nd CSF area Marco Felsch
2023-10-13 6:37 ` Sascha Hauer
2023-10-16 5:45 ` Marco Felsch [this message]
2023-10-10 14:33 ` [PATCH 15/26] scripts: imx: force flexspi and hab option order Marco Felsch
2023-10-10 14:33 ` [PATCH 16/26] scripts: imx: move flexspi_image() into header Marco Felsch
2023-10-10 14:33 ` [PATCH 17/26] scripts: imx: fix i.MX8M CSF header placement Marco Felsch
2023-10-10 14:33 ` [PATCH 18/26] scripts: imx: add imx8m_get_offset_size helper Marco Felsch
2023-10-10 14:33 ` [PATCH 19/26] scripts: imx-image: header_v2: add CSF slots Marco Felsch
2023-10-10 14:33 ` [PATCH 20/26] scripts: imx-image: hab_sign: refactor function Marco Felsch
2023-10-10 14:33 ` [PATCH 21/26] scripts: imx: add helper to write CSF Blocks command Marco Felsch
2023-10-13 7:28 ` Sascha Hauer
2023-10-16 5:50 ` Marco Felsch
2023-10-16 7:44 ` Marco Felsch
2023-10-16 8:19 ` Sascha Hauer
2023-10-17 14:58 ` Marco Felsch
2023-10-10 14:33 ` [PATCH 22/26] scripts: imx: fix HAB for FlexSPI boot Marco Felsch
2023-10-10 14:33 ` [PATCH 23/26] scripts: imx-image: add missing close() Marco Felsch
2023-10-10 14:33 ` [PATCH 24/26] scripts: imx-image: add support for CST_EXTRA_CMDLINE_OPTIONS Marco Felsch
2023-10-10 14:33 ` [PATCH 25/26] Documentation: boards: imx: replace i.MX8MQ with i.MX8M Marco Felsch
2023-10-10 14:33 ` [PATCH 26/26] Documentation: boards: imx: add FlexSPI sub-section Marco Felsch
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