From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
Set the data bus width to 64-bit AMBA Databus width in config register.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
Changes in v2: - Select 64bit setup based on CONFIG_ARM64 not on CONFIG_TARGET_XILINX_ZYNQMP - Fix type in the subject
drivers/net/zynq_gem.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index c723dbb0a694..df8452acc5be 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -58,7 +58,14 @@ #define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x000080000 /* Div pclk by 32, 80MHz */ #define ZYNQ_GEM_NWCFG_MDCCLKDIV2 0x0000c0000 /* Div pclk by 48, 120MHz */
-#define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_NWCFG_FDEN | \ +#ifdef CONFIG_ARM64 +# define ZYNQ_GEM_DBUS_WIDTH (1 << 21) /* 64 bit bus */ +#else +# define ZYNQ_GEM_DBUS_WIDTH (0 << 21) /* 32 bit bus */ +#endif + +#define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_DBUS_WIDTH | \ + ZYNQ_GEM_NWCFG_FDEN | \ ZYNQ_GEM_NWCFG_FSREM | \ ZYNQ_GEM_NWCFG_MDCCLKDIV)