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authordanh-arm <dan.handley@arm.com>2016-05-24 16:12:08 +0100
committerdanh-arm <dan.handley@arm.com>2016-05-24 16:12:08 +0100
commite141aa0357fd4977ba874f4f86874e2cadc73498 (patch)
treecc01a644b84f7e07215a4920c3053ce4ddfb3f50 /docs
parentd1d716531db8d52101d9168a79d4b6acaef976fe (diff)
parent6704f425ddb2772bd9a2b9dacacbefcbb00dcf28 (diff)
Merge pull request #625 from antonio-nino-diaz-arm/an/delay-timer-v2
Implement generic delay timer and use it on platforms
Diffstat (limited to 'docs')
-rw-r--r--docs/porting-guide.md4
-rw-r--r--docs/user-guide.md3
2 files changed, 5 insertions, 2 deletions
diff --git a/docs/porting-guide.md b/docs/porting-guide.md
index 5004d309..0cd36134 100644
--- a/docs/porting-guide.md
+++ b/docs/porting-guide.md
@@ -1529,10 +1529,10 @@ state. This function must return a pointer to the `entry_point_info` structure
(that was copied during `bl31_early_platform_setup()`) if the image exists. It
should return NULL otherwise.
-### Function : plat_get_syscnt_freq() [mandatory]
+### Function : plat_get_syscnt_freq2() [mandatory]
Argument : void
- Return : uint64_t
+ Return : unsigned int
This function is used by the architecture setup code to retrieve the counter
frequency for the CPU's generic timer. This value will be programmed into the
diff --git a/docs/user-guide.md b/docs/user-guide.md
index 2bb9eac4..cd9c8c33 100644
--- a/docs/user-guide.md
+++ b/docs/user-guide.md
@@ -492,6 +492,9 @@ map is explained in the [Firmware Design].
Trusted Firmware is configured for dual cluster topology and this option
can be used to override the default value.
+* `FVP_USE_SP804_TIMER` : Use the SP804 timer instead of the Generic Timer
+ for functions that wait for an arbitrary time length (udelay and mdelay).
+ The default value is 0.
### Debugging options