20 static void falcon_writel(struct falcon *falcon, u32 value, u32 offset)  in falcon_writel()  argument
22 	writel(value, falcon->regs + offset);  in falcon_writel()
25 int falcon_wait_idle(struct falcon *falcon)  in falcon_wait_idle()  argument
29 	return readl_poll_timeout(falcon->regs + FALCON_IDLESTATE, value,  in falcon_wait_idle()
33 static int falcon_dma_wait_idle(struct falcon *falcon)  in falcon_dma_wait_idle()  argument
37 	return readl_poll_timeout(falcon->regs + FALCON_DMATRFCMD, value,  in falcon_dma_wait_idle()
41 static int falcon_copy_chunk(struct falcon *falcon,  in falcon_copy_chunk()  argument
51 	falcon_writel(falcon, offset, FALCON_DMATRFMOFFS);  in falcon_copy_chunk()
52 	falcon_writel(falcon, base, FALCON_DMATRFFBOFFS);  in falcon_copy_chunk()
53 	falcon_writel(falcon, cmd, FALCON_DMATRFCMD);  in falcon_copy_chunk()
55 	return falcon_dma_wait_idle(falcon);  in falcon_copy_chunk()
58 static void falcon_copy_firmware_image(struct falcon *falcon,  in falcon_copy_firmware_image()  argument
61 	u32 *virt = falcon->firmware.virt;  in falcon_copy_firmware_image()
69 static int falcon_parse_firmware_image(struct falcon *falcon)  in falcon_parse_firmware_image()  argument
71 	struct falcon_fw_bin_header_v1 *bin = (void *)falcon->firmware.virt;  in falcon_parse_firmware_image()
76 		dev_err(falcon->dev, "incorrect firmware magic\n");  in falcon_parse_firmware_image()
82 		dev_err(falcon->dev, "unsupported firmware version\n");  in falcon_parse_firmware_image()
87 	if (bin->size > falcon->firmware.size) {  in falcon_parse_firmware_image()
88 		dev_err(falcon->dev, "firmware image size inconsistency\n");  in falcon_parse_firmware_image()
92 	os = falcon->firmware.virt + bin->os_header_offset;  in falcon_parse_firmware_image()
94 	falcon->firmware.bin_data.size = bin->os_size;  in falcon_parse_firmware_image()
95 	falcon->firmware.bin_data.offset = bin->os_data_offset;  in falcon_parse_firmware_image()
96 	falcon->firmware.code.offset = os->code_offset;  in falcon_parse_firmware_image()
97 	falcon->firmware.code.size = os->code_size;  in falcon_parse_firmware_image()
98 	falcon->firmware.data.offset = os->data_offset;  in falcon_parse_firmware_image()
99 	falcon->firmware.data.size = os->data_size;  in falcon_parse_firmware_image()
104 int falcon_read_firmware(struct falcon *falcon, const char *name)  in falcon_read_firmware()  argument
109 	err = request_firmware(&falcon->firmware.firmware, name, falcon->dev);  in falcon_read_firmware()
113 	falcon->firmware.size = falcon->firmware.firmware->size;  in falcon_read_firmware()
118 int falcon_load_firmware(struct falcon *falcon)  in falcon_load_firmware()  argument
120 	const struct firmware *firmware = falcon->firmware.firmware;  in falcon_load_firmware()
124 	falcon_copy_firmware_image(falcon, firmware);  in falcon_load_firmware()
127 	err = falcon_parse_firmware_image(falcon);  in falcon_load_firmware()
129 		dev_err(falcon->dev, "failed to parse firmware image\n");  in falcon_load_firmware()
134 	falcon->firmware.firmware = NULL;  in falcon_load_firmware()
139 int falcon_init(struct falcon *falcon)  in falcon_init()  argument
141 	falcon->firmware.virt = NULL;  in falcon_init()
146 void falcon_exit(struct falcon *falcon)  in falcon_exit()  argument
148 	if (falcon->firmware.firmware)  in falcon_exit()
149 		release_firmware(falcon->firmware.firmware);  in falcon_exit()
152 int falcon_boot(struct falcon *falcon)  in falcon_boot()  argument
158 	if (!falcon->firmware.virt)  in falcon_boot()
161 	err = readl_poll_timeout(falcon->regs + FALCON_DMACTL, value,  in falcon_boot()
168 	falcon_writel(falcon, 0, FALCON_DMACTL);  in falcon_boot()
171 	falcon_writel(falcon, (falcon->firmware.iova +  in falcon_boot()
172 			       falcon->firmware.bin_data.offset) >> 8,  in falcon_boot()
176 	for (offset = 0; offset < falcon->firmware.data.size; offset += 256)  in falcon_boot()
177 		falcon_copy_chunk(falcon,  in falcon_boot()
178 				  falcon->firmware.data.offset + offset,  in falcon_boot()
182 	falcon_copy_chunk(falcon, falcon->firmware.code.offset,  in falcon_boot()
186 	falcon_writel(falcon, FALCON_IRQMSET_EXT(0xff) |  in falcon_boot()
193 	falcon_writel(falcon, FALCON_IRQDEST_EXT(0xff) |  in falcon_boot()
201 	falcon_writel(falcon, FALCON_ITFEN_MTHDEN |  in falcon_boot()
206 	falcon_writel(falcon, 0x00000000, FALCON_BOOTVEC);  in falcon_boot()
207 	falcon_writel(falcon, FALCON_CPUCTL_STARTCPU, FALCON_CPUCTL);  in falcon_boot()
209 	err = falcon_wait_idle(falcon);  in falcon_boot()
211 		dev_err(falcon->dev, "Falcon boot failed due to timeout\n");  in falcon_boot()
218 void falcon_execute_method(struct falcon *falcon, u32 method, u32 data)  in falcon_execute_method()  argument
220 	falcon_writel(falcon, method >> 2, FALCON_UCLASS_METHOD_OFFSET);  in falcon_execute_method()
221 	falcon_writel(falcon, data, FALCON_UCLASS_METHOD_DATA);  in falcon_execute_method()