19 /* CSU AES registers */
48 	vaddr_t aes = core_mmu_get_va(ZYNQMP_CSU_AES_BASE, MEM_AREA_IO_SEC,  in aes_wait()  local
53 	if (!aes)  in aes_wait()
57 		status = io_read32(aes + AES_STS_OFFSET) & event;  in aes_wait()
209 	vaddr_t aes = core_mmu_get_va(ZYNQMP_CSU_AES_BASE, MEM_AREA_IO_SEC,  in aes_prepare_op()  local
214 	if (!aes || !csu)  in aes_prepare_op()
217 	/* Connect DMA0 in/out to AES */  in aes_prepare_op()
221 	/* Reset the AES */  in aes_prepare_op()
222 	io_write32(aes + AES_RESET_OFFSET, AES_RESET_SET);  in aes_prepare_op()
223 	io_write32(aes + AES_RESET_OFFSET, AES_RESET_CLR);  in aes_prepare_op()
226 	io_write32(aes + AES_KEY_CLR_OFFSET, 0);  in aes_prepare_op()
227 	io_write32(aes + AES_KEY_SRC_OFFSET, key);  in aes_prepare_op()
228 	io_write32(aes + AES_KEY_LOAD_OFFSET, AES_KEY_LOAD);  in aes_prepare_op()
236 	io_write32(aes + AES_CFG_OFFSET,  in aes_prepare_op()
244 	io_write32(aes + AES_START_MSG_OFFSET, AES_START_MSG);  in aes_prepare_op()
251 	vaddr_t aes = core_mmu_get_va(ZYNQMP_CSU_AES_BASE, MEM_AREA_IO_SEC,  in aes_done_op()  local
255 	if (!aes)  in aes_done_op()
260 		val = io_read32(aes + AES_STS_OFFSET) & AES_STS_GCM_TAG_OK;  in aes_done_op()
262 			EMSG("AES-GCM tag mismatch");  in aes_done_op()
267 	val = io_read32(aes + AES_KEY_CLR_OFFSET);  in aes_done_op()
268 	io_write32(aes + AES_KEY_CLR_OFFSET, val | AES_KEY_ZERO | AES_KUP_ZERO);  in aes_done_op()
270 		EMSG("Failed to clear the AES key");  in aes_done_op()
271 	io_write32(aes + AES_KEY_CLR_OFFSET, val);  in aes_done_op()
273 	io_write32(aes + AES_RESET_OFFSET, AES_RESET_SET);  in aes_done_op()
325 		EMSG("AES-GCM transfer failed");  in zynqmp_csu_aes_decrypt_data()
377 		EMSG("AES transfer failed");  in zynqmp_csu_aes_encrypt_data()
383 	"xlnx,zynqmp-aes",
410 		EMSG("Not able to set the AES-GCM DTB entry secure");  in zynqmp_csu_aes_dt_enable_secure_status()