GROUP3_IRQ_BASE
#define GROUP4_IRQ_BASE (GROUP3_IRQ_BASE + 32)
#define UART0_IRQ (GROUP3_IRQ_BASE + 0)
#define ETH0_RX_OVR_IRQ (GROUP3_IRQ_BASE + 9)
#define ETH0_TX_UND_IRQ (GROUP3_IRQ_BASE + 10)