From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [PATCH 1/6] arm: highbank: Limit FDT and initrd load addresses
Date: Tue, 20 Apr 2021 10:20:43 -0400 [thread overview]
Message-ID: <20210420142043.GD1310@bill-the-cat> (raw)
In-Reply-To: <20210412000455.12996-2-andre.przywara@arm.com>
On Mon, Apr 12, 2021 at 01:04:50AM +0100, Andre Przywara wrote:
> So far on Highbank/Midway machines U-Boot only ever uses 512MB of DRAM,
> even though the machines have typically 4GB and 8GB, respectively.
> That means that so far we didn't need an extra limit for placing the DTB
> and initrd, as the 512MB are lower than the kernel's limit ("lowmem",
> typically 768MB).
>
> With U-Boot now needing to learn about the actual memory size (to
> correctly populate the EFI memory map), it might relocate fdt and initrd
> to the end of DRAM, which is out of reach of the kernel.
>
> So add limiting values to the fdt_high and initrd_high environment
> variables, to prevent U-Boot from using too high addresses.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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next prev parent reply other threads:[~2021-04-20 14:20 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 0:04 [PATCH 0/6] highbank: Update to driver model Andre Przywara
2021-04-12 0:04 ` [PATCH 1/6] arm: highbank: Limit FDT and initrd load addresses Andre Przywara
2021-04-12 0:29 ` Tom Rini
2021-04-20 14:20 ` Tom Rini [this message]
2021-04-12 0:04 ` [PATCH 2/6] arm: highbank: Enable OF_CONTROL Andre Przywara
2021-04-20 14:20 ` Tom Rini
2021-04-12 0:04 ` [PATCH 3/6] net: calxedagmac: Convert to DM_ETH Andre Przywara
2021-04-15 1:53 ` Ramon Fried
2021-04-20 14:20 ` Tom Rini
2021-04-12 0:04 ` [PATCH 4/6] arm: highbank: Remove artificial SDRAM size Andre Przywara
2021-04-20 14:20 ` Tom Rini
2021-04-12 0:04 ` [PATCH 5/6] arm: highbank: Do DRAM init from DT Andre Przywara
2021-04-20 14:21 ` Tom Rini
2021-04-12 0:04 ` [PATCH 6/6] arm: highbank: Update maintainership Andre Przywara
2021-04-20 14:21 ` Tom Rini
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