RCR
#define RCR(addr) (RCRCODE | (addr & ADDR_MASK)) /* Read Control Register */
RCR = 0x0090,
#define RCR 4
#define RCR 4
#define RCR 0x0130
#define RCR 0x156 /* Rx DMA Critical Request Reg */
#define RCR 0x0048
#define RCR 0x0f /* RTC Control Register */
#define RCR 0x86 /* rx control */
#define RCR(x) (0x40 * x + 0x030)
#define RCR(x) (0x40 * (x) + 0x030)