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authorTerry Bowman <terry.bowman@amd.com>2022-02-02 09:35:24 -0600
committerWim Van Sebroeck <wim@linux-watchdog.org>2022-03-27 17:04:33 +0200
commit0578fff4aae5bce3f09875f58e68e9ffbab8daf5 (patch)
tree5c88e6372a8a4e03959ad6691f062e380fe8d60c /crypto/ecdh.c
parent1f182aca230086d4a4469c0f9136a6ea762d6385 (diff)
downloadlinux-0578fff4aae5bce3f09875f58e68e9ffbab8daf5.tar.bz2
Watchdog: sp5100_tco: Add initialization using EFCH MMIO
cd6h/cd7h port I/O can be disabled on recent AMD hardware. Read accesses to disabled cd6h/cd7h port I/O will return F's and written data is dropped. It is recommended to replace the cd6h/cd7h port I/O with MMIO. Co-developed-by: Robert Richter <rrichter@amd.com> Signed-off-by: Robert Richter <rrichter@amd.com> Signed-off-by: Terry Bowman <terry.bowman@amd.com> Tested-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20220202153525.1693378-4-terry.bowman@amd.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'crypto/ecdh.c')
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