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Niravkumar L Rabara 0f64b37f19 EDAC/altera: Handle OCRAM ECC enable after warm reset
commit fd3ecda38f upstream.

The OCRAM ECC is always enabled either by the BootROM or by the Secure Device
Manager (SDM) during a power-on reset on SoCFPGA.

However, during a warm reset, the OCRAM content is retained to preserve data,
while the control and status registers are reset to their default values. As
a result, ECC must be explicitly re-enabled after a warm reset.

Fixes: 17e47dc6db ("EDAC/altera: Add Stratix10 OCRAM ECC support")
Signed-off-by: Niravkumar L Rabara <niravkumarlaxmidas.rabara@altera.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251111080801.1279401-1-niravkumarlaxmidas.rabara@altera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-11-24 10:36:02 +01:00
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