From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot, 4/4] stm32mp1: select boot device and partition
Date: Sat, 7 Apr 2018 09:25:00 -0400 [thread overview]
Message-ID: <20180407132500.GD10996@bill-the-cat.ec.rr.com> (raw)
In-Reply-To: <1521539694-16598-4-git-send-email-patrick.delaunay@st.com>
On Tue, Mar 20, 2018 at 10:54:54AM +0100, Patrick Delaunay wrote:
> Bootrom loads SPL from SDCARD or eMMC
> according BootPin selection.
>
> Then SPL loads U-Boot on the same mmc device
> with the following predefined GPT partitioning:
>
> on SDCARD: gpt partitioning
> 1: SPL
> 2: SPL#2
> 3: U-Boot
> 4: bootable partition
>
> on eMMC:
> The 2 boot partitions are used for SPL (2 copy)
> boot1: SPL
> boot2: SPL#2
> The user partition use gpt partitioning
> 1: U-Boot
> 2: bootable partition
>
> This patch select the correct SPL partition
> (3 for SDCARD on mmc0 and 1 for eMMC on mmc1)
> according the BootRom information saved in TAMP register
> and based on configuration flasg:
> - CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
> => for BOOT_DEVICE_MMC1 or mmc 0 in U-Boot
> - CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_MMC2 (new)
> => for BOOT_DEVICE_MMC2 or mmc 1 in U-Boot
>
> And the correct boot_targets is selected according the environment
> variables boot_device and boot_instance, with preboot command,
> to search the bootable partition with kernel on this device
> (generic distro support).
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Applied to u-boot/master, thanks!
--
Tom
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next prev parent reply other threads:[~2018-04-07 13:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-20 9:54 [U-Boot] [PATCH 1/4] spl: spl_mmc: provide one weak function spl_boot_partition Patrick Delaunay
2018-03-20 9:54 ` [U-Boot] [PATCH 2/4] stm32mp1: add eMMC support for ED1 Patrick Delaunay
2018-04-07 13:24 ` [U-Boot] [U-Boot,2/4] " Tom Rini
2018-03-20 9:54 ` [U-Boot] [PATCH 3/4] stm32mp1: get boot mode from BootRom Patrick Delaunay
2018-04-07 13:24 ` [U-Boot] [U-Boot,3/4] " Tom Rini
2018-03-20 9:54 ` [U-Boot] [PATCH 4/4] stm32mp1: select boot device and partition Patrick Delaunay
2018-04-07 13:25 ` Tom Rini [this message]
2018-03-20 13:24 ` [U-Boot] [PATCH 1/4] spl: spl_mmc: provide one weak function spl_boot_partition Tom Rini
2018-03-20 14:10 ` Lukasz Majewski
2018-04-07 13:24 ` [U-Boot] [U-Boot, " Tom Rini
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