tree 2fc4bd555b665626099489dc77dd2dadaaa11001
parent ef3cc8112c7ac58d621246523e8c84bf6035b53b
author Thomas Chou <thomas@wytron.com.tw> 1408956614 +0800
committer Thomas Chou <thomas@wytron.com.tw> 1409392123 +0800

nios2: divide nios2-io.h into each specific drivers and remove it

The nios2-io.h defines hardware registers and bits of several FPGA
IP cores. It could be divided in to the specific drivers, including
altera timer, altera sysid, altera uart and altera jtag uart. The
altera pio and altera spi drivers use their own hardware definitions.
The removal of nios2-io.h will help modularity and maintenance.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>