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Diffstat (limited to 'arch/powerpc/sysdev/fsl_rio.c')
-rw-r--r--arch/powerpc/sysdev/fsl_rio.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index d2d14708e714..14c106cf4aa2 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1007,6 +1007,12 @@ int fsl_rio_setup(struct of_device *dev)
rio_register_mport(port);
priv->regs_win = ioremap(regs.start, regs.end - regs.start + 1);
+
+ port->sys_size = (in_be32((priv->regs_win + RIO_PEF_CAR))
+ & RIO_PEF_CTLS) >> 4;
+ dev_info(&dev->dev, "RapidIO Common Transport System size: %d\n",
+ port->sys_size ? 65536 : 256);
+
priv->atmu_regs = (struct rio_atmu_regs *)(priv->regs_win
+ RIO_ATMU_REGS_OFFSET);
priv->maint_atmu_regs = priv->atmu_regs + 1;