From: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot, v3, 2/3] rockchip: add support for enter to bootrom download mode
Date: Mon, 20 Nov 2017 15:07:39 +0100 [thread overview]
Message-ID: <E1eGmjb-00009D-EM@mail.theobroma-systems.com> (raw)
In-Reply-To: <1507705249-10726-1-git-send-email-andy.yan@rock-chips.com>
> Rockchip bootrom will enter download mode if it returns from
> spl/tpl with a non-zero value and couldn't find a valid image
> in the backup partition.
> This patch provide a method to instruct the system to back to
> bootrom download mode by checking the BROM_DOWNLOAD_FLAG register.
> As the bootrom download function relys on some modules such as
> interrupts, so we need to back to bootrom as early as possbile
> before the tpl/spl code override the interrupt configurations.
>
> Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
> ---
>
> Changes in v3:
> - rebase on Dr. Philipp's series
>
> Changes in v2:
> - implement the back to bootrom download mode check in c,
> thanks for Dr. Philipp Tomsich's suggestion.
>
> arch/arm/include/asm/arch-rockchip/boot_mode.h | 4 +++
> arch/arm/mach-rockchip/Kconfig | 1 +
> arch/arm/mach-rockchip/bootrom.c | 47 ++++++++++++++++++++++++--
> 3 files changed, 50 insertions(+), 2 deletions(-)
>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
next prev parent reply other threads:[~2017-11-20 14:07 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-11 6:59 [U-Boot] [PATCH v3 0/3] Most rockchip platform based boards use a key to instruct Andy Yan
2017-10-11 7:00 ` [U-Boot] [PATCH v3 1/3] rockchip: make boot_mode related codes reused across all platforms Andy Yan
2017-11-20 14:06 ` [U-Boot] [U-Boot, v3, " Philipp Tomsich
2017-11-20 14:50 ` Philipp Tomsich
2017-11-21 0:48 ` Andy Yan
2017-11-21 8:25 ` Dr. Philipp Tomsich
2017-11-21 22:32 ` Philipp Tomsich
2017-10-11 7:00 ` [U-Boot] [PATCH v3 2/3] rockchip: add support for enter to bootrom download mode Andy Yan
2017-11-20 14:06 ` [U-Boot] [U-Boot, v3, " Philipp Tomsich
2017-11-20 14:07 ` Philipp Tomsich [this message]
2017-11-21 22:32 ` Philipp Tomsich
2017-10-11 7:01 ` [U-Boot] [PATCH v3 3/3] rockchip: check download key before bootup Andy Yan
2017-11-20 14:06 ` [U-Boot] [U-Boot, v3, " Philipp Tomsich
2017-11-20 14:51 ` Philipp Tomsich
2017-11-21 1:02 ` Andy Yan
2017-11-21 12:31 ` Dr. Philipp Tomsich
2017-11-21 22:32 ` Philipp Tomsich
2017-11-17 10:09 ` [U-Boot] [PATCH v3 0/3] Most rockchip platform based boards use a key to instruct Andy Yan
2017-11-17 10:19 ` Dr. Philipp Tomsich
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