ARM: shmobile: r8a7740: add MERAM work-around
r8a7740 chip has lasting errata on MERAM buffer, and this patch adds its work-around on setup-r8a7740.c It solved CEU/VIO6C/2D-DMAC/VCP1/VPU5F/JPU/DISP memroy access error. But MERAM driver can't control this issue, since this work-around requires access to non-MERAM register address. So, This it will be called as board specific code at this point. Signed-off-by: NKuninori Morimoto <kuninori.morimoto.gx@renesas.com> Tested-by: NSimon Horman <horms@verge.net.au> Acked-by: NMagnus Damm <damm@opensource.se> Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
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