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In lockstep mode following is TCM address map:
| *TCM* | *R5 View* | *Linux view* |
| R5_0 ATCM (128 KB) | 0x0000_0000 | 0xFFE0_0000 |
| R5_0 BTCM (128 KB) | 0x0002_0000 | 0xFFE2_0000 |
Current driver keeps single TCM carveout in lockstep mode
as ATCM and BTCM addresses form contiguous memory region.
Although the addresses are contiguous, it is not same type
of memory. ATCM typically holds interrupt or exception code
that must be accessed at high speed. BTCM typically holds
a block of data for intensive processing, such as audio or
video processing. As both are different types of memory,
they should be allocated as different carveout. This patch
is fixing TCM carveout allocation in lockstep mode.
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Link: https://lore.kernel.org/r/20230913024323.2768114-1-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
9af45bbdcb