čt 16. 1. 2020 v 8:54 odesílatel Michal Simek michal.simek@xilinx.com napsal:
From: T Karthik Reddy t.karthik.reddy@xilinx.com
flush_dcache_range() expects unsigned long in the arguments. Here u32 variable is unable to hold the higher address value when ddr mapped to higher addresses & flushing lower address dchache range instead which is unmapped causing to crash.
Signed-off-by: T Karthik Reddy t.karthik.reddy@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com
drivers/net/zynq_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index c3fe8e3c563f..879129653df3 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -653,7 +653,7 @@ static int zynq_gem_probe(struct udevice *dev) return -ENOMEM;
memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);
u32 addr = (ulong)priv->rxbuffers;
ulong addr = (ulong)priv->rxbuffers; flush_dcache_range(addr, addr + roundup(RX_BUF * PKTSIZE_ALIGN, ARCH_DMA_MINALIGN)); barrier();-- 2.25.0
Applied. M