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Diffstat (limited to 'docs/user-guide.md')
| -rw-r--r-- | docs/user-guide.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/user-guide.md b/docs/user-guide.md index 3337f88d..894d69bd 100644 --- a/docs/user-guide.md +++ b/docs/user-guide.md @@ -456,6 +456,12 @@ map is explained in the [Firmware Design]. Trusted Watchdog may be disabled at build time for testing or development purposes. +* `ARM_CONFIG_CNTACR`: boolean option to unlock access to the CNTBase<N> + frame registers by setting the CNTCTLBase.CNTACR<N> register bits. The + frame number <N> is defined by 'PLAT_ARM_NSTIMER_FRAME_ID', which should + match the frame used by the Non-Secure image (normally the Linux kernel). + Default is true (access to the frame is allowed). + #### ARM CSS platform specific build options * `CSS_DETECT_PRE_1_7_0_SCP`: Boolean flag to detect SCP version |