drm/imagination/pvr_fw_startstop.c

1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
13 #include <linux/delay.h>
22 	/* Setup AXI-ACE config. Set everything to outer cache. */  in rogue_axi_ace_list_init()
43 	pc_dma_addr = pvr_vm_get_page_table_root_addr(pvr_dev->kernel_vm_ctx);  in rogue_bif_init()
89  * pvr_fw_start() - Start FW processor and boot firmware
117 	/* Set Rogue in soft-reset. */  in pvr_fw_start()
122 	/* Read soft-reset to fence previous write in order to clear the SOCIF pipeline. */  in pvr_fw_start()
151 	pvr_dev->fw_dev.defs->wrapper_init(pvr_dev);  in pvr_fw_start()
153 	/* We must init the AXI-ACE interface before first BIF transaction. */  in pvr_fw_start()
156 	if (pvr_dev->fw_dev.processor_type != PVR_FW_PROCESSOR_TYPE_MIPS) {  in pvr_fw_start()
161 	/* Need to wait for at least 16 cycles before taking the FW processor out of reset ... */  in pvr_fw_start()
173 	/* Put everything back into soft-reset. */  in pvr_fw_start()
180  * pvr_fw_stop() - Stop FW processor
199 	 * Wait for Sidekick/Jones to signal IDLE except for the Garten Wrapper.  in pvr_fw_stop()
222 	/* Extra Idle checks. */  in pvr_fw_stop()
256 	 * Wait for SLC to signal IDLE.  in pvr_fw_stop()
267 	 * Wait for Sidekick/Jones to signal IDLE except for the Garten Wrapper.  in pvr_fw_stop()
276 	if (pvr_dev->fw_dev.processor_type == PVR_FW_PROCESSOR_TYPE_META) {  in pvr_fw_stop()
282 		 * Wait for Sidekick/Jones to signal IDLE including the Garten  in pvr_fw_stop()