From: Sascha Hauer <sha@pengutronix.de>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 14/26] ARM: lds: add support for a 2nd CSF area
Date: Fri, 13 Oct 2023 08:37:59 +0200 [thread overview]
Message-ID: <20231013063759.GL3359458@pengutronix.de> (raw)
In-Reply-To: <20231010143314.2031253-15-m.felsch@pengutronix.de>
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.
Sascha
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next prev parent reply other threads:[~2023-10-13 6:39 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 [this message]
2023-10-16 5:45 ` Marco Felsch
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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