#define UART4_BASE 0x43FB0000
#define UART5_BASE 0x43FB4000
+#define I2C1_BASE_ADDR 0x43f80000
+#define I2C1_CLK_OFFSET 26
+#define I2C2_BASE_ADDR 0x43F98000
+#define I2C2_CLK_OFFSET 28
+#define I2C3_BASE_ADDR 0x43f84000
+#define I2C3_CLK_OFFSET 30
+
#define ESDCTL_SDE (1 << 31)
#define ESDCTL_CMD_RW (0 << 28)
#define ESDCTL_CMD_PRECHARGE (1 << 28)