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authorBeleswar Padhi <b-padhi@ti.com>2025-09-08 19:58:14 +0530
committerNishanth Menon <nm@ti.com>2025-09-12 09:45:31 +0530
commit932424a925ce79cbed0a93d36c5f1b69a0128de1 (patch)
tree99973ff7237d32b9641e919cca4f4e522da13e3f /rust/helpers/bug.c
parent79a1778c7819c8491cdbdc1f7e46d478cb84d5cf (diff)
Revert "arm64: dts: ti: k3-j721e-beagleboneai64: Fix reversed C6x carveout locations"
This reverts commit 1a314099b7559690fe23cdf3300dfff6e830ecb1. The C6x carveouts are reversed intentionally. This is due to the requirement to keep the DMA memory region as non-cached, however the minimum granular cache region for C6x is 16MB. So, C66x_0 marks the entire C66x_1 16MB memory carveouts as non-cached, and uses the DMA memory region of C66x_1 as its own, and vice-versa. This was also called out in the original commit which introduced these reversed carveouts: "The minimum granularity on the Cache settings on C66x DSP cores is 16MB, so the DMA memory regions are chosen such that they are in separate 16MB regions for each DSP, while reserving a total of 16 MB for each DSP and not changing the overall DSP remoteproc carveouts." Fixes: 1a314099b755 ("arm64: dts: ti: k3-j721e-beagleboneai64: Fix reversed C6x carveout locations") Signed-off-by: Beleswar Padhi <b-padhi@ti.com> Acked-by: Andrew Davis <afd@ti.com> Link: https://patch.msgid.link/20250908142826.1828676-23-b-padhi@ti.com Signed-off-by: Nishanth Menon <nm@ti.com>
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