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rpi: Set bootm_size to 512MB

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Set this option so that all boot images stay within the bottom 512MB of
memory. This should allow us to drop the fdt_high and initrd_high
options.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Suggested-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Christopher Obbard <christopher.obbard@linaro.org>
Tested-by: Christopher Obbard <christopher.obbard@linaro.org> # CM4 1G
This commit is contained in:
Simon Glass
2024-12-19 17:34:44 -07:00
committed by Peter Robinson
parent 564d99d072
commit e072ebec05
1 changed files with 5 additions and 0 deletions
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5
board/raspberrypi/rpi/rpi.env
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@@ -60,7 +60,12 @@ dfu_alt_info+=zImage fat 0 1
* Even with the smallest possible CPU-GPU memory split of the CPU getting
* only 64M, the remaining 25M starting at 0x02700000 should allow quite
* large initrds before they start colliding with U-Boot.
*
* Limit bootm_size to 512MB so that all boot images stay within the bottom
* 512MB of memory
*/
bootm_size=0x20000000
#ifdef CONFIG_ARM64
fdt_high=ffffffffffffffff
initrd_high=ffffffffffffffff