Security Register Group Register Descriptions Registers that control slave security. Offset: 0x8 l4main Controls security settings for L4 main peripherals l4sp Controls security settings for L4 SP peripherals. l4mp Controls security settings for L4 MP peripherals. l4osc1 Controls security settings for L4 OSC1 peripherals. l4spim Controls security settings for L4 SPIM peripherals. stm Controls security settings for STM peripheral. lwhps2fpgaregs Controls security settings for LWHPS2FPGA AXI Bridge Registers peripheral. usb1 Controls security settings for USB1 Registers peripheral. nanddata Controls security settings for NAND Flash Controller Data peripheral. usb0 Controls security settings for USB0 Registers peripheral. nandregs Controls security settings for NAND Flash Controller Registers peripheral. qspidata Controls security settings for QSPI Flash Controller Data peripheral. fpgamgrdata Controls security settings for FPGA Manager Data peripheral. hps2fpgaregs Controls security settings for HPS2FPGA AXI Bridge Registers peripheral. acp Controls security settings for MPU ACP peripheral. rom Controls security settings for ROM peripheral. ocram Controls security settings for On-chip RAM peripheral. sdrdata Controls security settings for SDRAM Data peripheral.