VORTEX_MIX_SMP
hwwrite(vortex->mmio, VORTEX_MIX_SMP + (mixin << 2), 0x0);
hwwrite(vortex->mmio, VORTEX_MIX_SMP + 4 + (mixin << 2), 0x0);
addr = VORTEX_MIX_SMP + 0x17c;
addr = VORTEX_MIX_SMP + 0x17c;