diff options
| author | Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> | 2014-07-08 15:31:03 +0530 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2015-07-28 11:56:18 +0200 |
| commit | 8a584c8a7f6f0198642c6f3d3a23a20f45ca0223 (patch) | |
| tree | 42374d34a179d4e19682499b9a540ac3a8b183f2 /drivers | |
| parent | 26473945ad6667183296e7edee2a65edf31bb6f7 (diff) | |
zynqmp: gem: Set data bus width to 64bit for arm64
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>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/zynq_gem.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index c723dbb0a6..df8452acc5 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) |