MRSHPC_CSR
if ((__raw_readw(MRSHPC_CSR) & 0x0080) == 0) {
if((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
if ((__raw_readw(MRSHPC_CSR) & 0x000c) != 0)