From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [PATCH v2 6/9] armv8: layerscape: don't initialize GIC in SPL
Date: Mon, 7 Dec 2020 17:20:19 -0500 [thread overview]
Message-ID: <20201207222019.GH32272@bill-the-cat> (raw)
In-Reply-To: <20201118164602.22518-7-michael@walle.cc>
On Wed, Nov 18, 2020 at 05:45:59PM +0100, Michael Walle wrote:
> The BL31 expects the GIC to be uninitialized. Thus, if we are loading
> the BL31 by the SPL we must not initialize it. If u-boot is loaded by
> the SPL directly, it will initialize the GIC again (in the same
> lowlevel_init()).
>
> This was tested on a custom board with SPL loading the BL31 and jumping
> to u-boot as BL33 as well as loading u-boot directly by the SPL. In case
> the ATF BL1/BL2 is used, this patch won't change anything, because no
> SPL is used at all.
>
> Signed-off-by: Michael Walle <michael@walle.cc>
Applied to u-boot/next, thanks!
--
Tom
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next prev parent reply other threads:[~2020-12-07 22:20 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 16:45 [PATCH v2 0/9] spl: atf: add support for LOAD_IMAGE_V2 Michael Walle
2020-11-18 16:45 ` [PATCH v2 1/9] treewide: use CONFIG_IS_ENABLED() for ARMV8_SEC_FIRMWARE_SUPPORT Michael Walle
2020-12-07 22:19 ` Tom Rini
2020-11-18 16:45 ` [PATCH v2 2/9] spl: atf: move storage for bl31_params into function Michael Walle
2020-12-07 22:19 ` Tom Rini
2020-11-18 16:45 ` [PATCH v2 3/9] spl: atf: provide a bl2_plat_get_bl31_params_default() Michael Walle
2020-12-07 22:20 ` Tom Rini
2020-11-18 16:45 ` [PATCH v2 4/9] spl: atf: remove helper structure from common header Michael Walle
2020-12-07 22:20 ` Tom Rini
2020-11-18 16:45 ` [PATCH v2 5/9] spl: atf: add support for LOAD_IMAGE_V2 Michael Walle
2020-12-07 22:20 ` Tom Rini
2020-11-18 16:45 ` [PATCH v2 6/9] armv8: layerscape: don't initialize GIC in SPL Michael Walle
2020-12-07 22:20 ` Tom Rini [this message]
2020-11-18 16:46 ` [PATCH v2 7/9] board: sl28: remove u-boot from loadable DT node Michael Walle
2020-12-07 22:20 ` Tom Rini
2020-12-07 22:20 ` Tom Rini
2020-11-18 16:46 ` [PATCH v2 8/9] board: sl28: add ATF support (bl31) Michael Walle
2020-12-07 22:20 ` Tom Rini
2020-11-18 16:46 ` [PATCH v2 9/9] board: sl28: add OP-TEE Trusted OS support (bl32) Michael Walle
2020-12-07 22:20 ` Tom Rini
2020-11-20 10:14 ` [PATCH v2 0/9] spl: atf: add support for LOAD_IMAGE_V2 Michal Simek
2020-11-20 10:48 ` Michael Walle
2020-11-20 11:15 ` Michal Simek
2020-11-20 11:27 ` Michael Walle
2020-11-20 13:16 ` Michal Simek
2020-11-20 13:25 ` Michael Walle
2020-11-20 13:35 ` Michal Simek
2020-11-20 13:48 ` Michael Walle
2020-11-20 14:42 ` Tom Rini
2020-11-20 12:48 ` Michael Walle
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