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Some functions are powerpc specific which cause error when the
driver is used on ARM platforms.
Added micro to make them only be used on powerpc platforms.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Change-Id: I7ab009fa13f47e23d67aef875185a23882dd1813
Reviewed-on: http://git.am.freescale.net:8181/23070
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Yang Li <LeoLi@freescale.com>
(cherry picked from commit 44a0893a220ef1906359aa283837fba8b18e20f7)
Signed-off-by: Matthew Weigel <Matthew.Weigel@freescale.com>
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T4240 has a errata A-008083:
Dynamic frequency switch (DFS) can hang SoC when changing
frequency of a cluster with active cores or snoop transactions.
This patch provided a workaround for this errata by putting
a cluster to PCL10 status before changing its frequency.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Change-Id: Ie25f25d2f75a02aec10b80b4012af018278b2aaa
Reviewed-on: http://git.am.freescale.net:8181/22415
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Yang Li <LeoLi@freescale.com>
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Freescale introduced new ARM core-based SoCs which support dynamic
frequency switch feature. DFS on new SoCs are compatible with current
PowerPC CoreNet platforms. In order to support those new platforms,
this driver needs to be slightly adjusted. The main changes include:
1. Changed the names of driver and functions in driver.
2. Added two new functions get_cpu_physical_id() and get_bus_freq().
3. Used a new way to get all the CPUs which sharing clock wire.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
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http://patchwork.ozlabs.org/patch/400406/
Change-Id: I29fc5fefd0860db5ee531844d1218a6b70098dfe
Reviewed-on: http://git.am.freescale.net:8181/21874
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
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