The MER register only has two valid bits. This is now used by
the linux kernel to auto-detect endianness, and causes Linux 3.15-rc1
and later to hang when run under qemu-microblaze. Mask valid bits before
writing the register to solve the problem.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
[Edgar: Untabified]
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
case R_CIE:
p->regs[R_IER] &= ~value; /* Atomic clear ie. */
break;
+ case R_MER:
+ p->regs[R_MER] = value & 0x3;
+ break;
case R_ISR:
if ((p->regs[R_MER] & 2)) {
break;