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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>
This commit is contained in:
Siva Durga Prasad Paladugu 2014-07-08 15:31:03 +05:30 committed by Michal Simek
parent 26473945ad
commit 8a584c8a7f
1 changed files with 8 additions and 1 deletions
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9
drivers/net/zynq_gem.c
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@ -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)