From e042323607f5c14844b1c59aebbca8d1251c7d89 Mon Sep 17 00:00:00 2001 From: Zhang Wei <wei.zhang@freescale.com> Date: Fri, 18 Apr 2008 13:33:42 -0700 Subject: [RAPIDIO] Auto-probe the RapidIO system size The RapidIO system size will auto probe in RIO setup. The route table and rionet_active in rionet.c are changed to be allocated dynamically according to the size of the system. Signed-off-by: Zhang Wei <wei.zhang@freescale.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mackerras <paulus@samba.org> --- arch/powerpc/sysdev/fsl_rio.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch/powerpc/sysdev/fsl_rio.c') diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index d2d1470..14c106c 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; -- cgit v1.1