/* Load the firmware. Optionally it can be in ROM or newer versions
 * can be on disk, saving the expense of the ROM hardware. */
int saa7164_downloadfirmware(struct saa7164_dev *dev)
{
	/* u32 second_timeout = 60 * SAA_DEVICE_TIMEOUT; */
	u32 tmp, filesize, version, err_flags, first_timeout, fwlength;
	u32 second_timeout, updatebootloader = 1, bootloadersize = 0;
	const struct firmware *fw = NULL;
	struct fw_header *hdr, *boothdr = NULL, *fwhdr;
	u32 bootloaderversion = 0, fwloadersize;
	u8 *bootloaderoffset = NULL, *fwloaderoffset;
	char *fwname;
	int ret;

	dprintk(DBGLVL_FW, "%s()\n", __func__);

	if (saa7164_boards[dev->board].chiprev == SAA7164_CHIP_REV2) {
		fwname = SAA7164_REV2_FIRMWARE;
		fwlength = SAA7164_REV2_FIRMWARE_SIZE;
	} else {
		fwname = SAA7164_REV3_FIRMWARE;
		fwlength = SAA7164_REV3_FIRMWARE_SIZE;
	}

	version = saa7164_getcurrentfirmwareversion(dev);

	if (version == 0x00) {

		second_timeout = 100;
		first_timeout = 100;
		err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS);
		dprintk(DBGLVL_FW, "%s() err_flags = %x\n",
			__func__, err_flags);

		while (err_flags != SAA_DEVICE_IMAGE_BOOTING) {
			dprintk(DBGLVL_FW, "%s() err_flags = %x\n",
				__func__, err_flags);
			msleep(10); /* Checkpatch throws a < 20ms warning */

			if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) {
				printk(KERN_ERR "%s() firmware corrupt\n",
					__func__);
				break;
			}
			if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) {
				printk(KERN_ERR "%s() device memory corrupt\n",
					__func__);
				break;
			}
			if (err_flags & SAA_DEVICE_NO_IMAGE) {
				printk(KERN_ERR "%s() no first image\n",
				__func__);
				break;
			}
			if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) {
				first_timeout -= 10;
				if (first_timeout == 0) {
					printk(KERN_ERR
						"%s() no first image\n",
						__func__);
					break;
				}
			} else if (err_flags & SAA_DEVICE_IMAGE_LOADING) {
				second_timeout -= 10;
				if (second_timeout == 0) {
					printk(KERN_ERR
					"%s() FW load time exceeded\n",
						__func__);
					break;
				}
			} else {
				second_timeout -= 10;
				if (second_timeout == 0) {
					printk(KERN_ERR
					"%s() Unknown bootloader flags 0x%x\n",
						__func__, err_flags);
					break;
				}
			}

			err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS);
		} /* While != Booting */

		if (err_flags == SAA_DEVICE_IMAGE_BOOTING) {
			dprintk(DBGLVL_FW, "%s() Loader 1 has loaded.\n",
				__func__);
			first_timeout = SAA_DEVICE_TIMEOUT;
			second_timeout = 60 * SAA_DEVICE_TIMEOUT;
			second_timeout = 100;

			err_flags = saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS);
			dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n",
				__func__, err_flags);
			while (err_flags != SAA_DEVICE_IMAGE_BOOTING) {
				dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n",
					__func__, err_flags);
				msleep(10); /* Checkpatch throws a < 20ms warning */

				if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) {
					printk(KERN_ERR
						"%s() firmware corrupt\n",
						__func__);
					break;
				}
				if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) {
					printk(KERN_ERR
						"%s() device memory corrupt\n",
						__func__);
					break;
				}
				if (err_flags & SAA_DEVICE_NO_IMAGE) {
					printk(KERN_ERR "%s() no first image\n",
						__func__);
					break;
				}
				if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) {
					first_timeout -= 10;
					if (first_timeout == 0) {
						printk(KERN_ERR
						"%s() no second image\n",
							__func__);
						break;
					}
				} else if (err_flags &
					SAA_DEVICE_IMAGE_LOADING) {
					second_timeout -= 10;
					if (second_timeout == 0) {
						printk(KERN_ERR
						"%s() FW load time exceeded\n",
							__func__);
						break;
					}
				} else {
					second_timeout -= 10;
					if (second_timeout == 0) {
						printk(KERN_ERR
					"%s() Unknown bootloader flags 0x%x\n",
							__func__, err_flags);
						break;
					}
				}

				err_flags =
				saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS);
			} /* err_flags != SAA_DEVICE_IMAGE_BOOTING */

			dprintk(DBGLVL_FW, "%s() Loader flags 1:0x%x 2:0x%x.\n",
				__func__,
				saa7164_readl(SAA_BOOTLOADERERROR_FLAGS),
				saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS));

		} /* err_flags == SAA_DEVICE_IMAGE_BOOTING */

		/* It's possible for both firmwares to have booted,
		 * but that doesn't mean they've finished booting yet.
		 */
		if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
			SAA_DEVICE_IMAGE_BOOTING) &&
			(saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) ==
			SAA_DEVICE_IMAGE_BOOTING)) {


			dprintk(DBGLVL_FW, "%s() Loader 2 has loaded.\n",
				__func__);

			first_timeout = SAA_DEVICE_TIMEOUT;
			while (first_timeout) {
				msleep(10); /* Checkpatch throws a < 20ms warning */

				version =
					saa7164_getcurrentfirmwareversion(dev);
				if (version) {
					dprintk(DBGLVL_FW,
					"%s() All f/w loaded successfully\n",
						__func__);
					break;
				} else {
					first_timeout -= 10;
					if (first_timeout == 0) {
						printk(KERN_ERR
						"%s() FW did not boot\n",
							__func__);
						break;
					}
				}
			}
		}
		version = saa7164_getcurrentfirmwareversion(dev);
	} /* version == 0 */

	/* Has the firmware really booted? */
	if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
		SAA_DEVICE_IMAGE_BOOTING) &&
		(saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) ==
		SAA_DEVICE_IMAGE_BOOTING) && (version == 0)) {

		printk(KERN_ERR
			"%s() The firmware hung, probably bad firmware\n",
			__func__);

		/* Tell the second stage loader we have a deadlock */
		saa7164_writel(SAA_DEVICE_DEADLOCK_DETECTED_OFFSET,
			SAA_DEVICE_DEADLOCK_DETECTED);

		saa7164_getfirmwarestatus(dev);

		return -ENOMEM;
	}

	dprintk(DBGLVL_FW, "Device has Firmware Version %d.%d.%d.%d\n",
		(version & 0x0000fc00) >> 10,
		(version & 0x000003e0) >> 5,
		(version & 0x0000001f),
		(version & 0xffff0000) >> 16);

	/* Load the firmwware from the disk if required */
	if (version == 0) {

		printk(KERN_INFO "%s() Waiting for firmware upload (%s)\n",
			__func__, fwname);

		ret = request_firmware(&fw, fwname, &dev->pci->dev);
		if (ret) {
			printk(KERN_ERR "%s() Upload failed. "
				"(file not found?)\n", __func__);
			return -ENOMEM;
		}

		printk(KERN_INFO "%s() firmware read %Zu bytes.\n",
			__func__, fw->size);

		if (fw->size != fwlength) {
			printk(KERN_ERR "xc5000: firmware incorrect size\n");
			ret = -ENOMEM;
			goto out;
		}

		printk(KERN_INFO "%s() firmware loaded.\n", __func__);

		hdr = (struct fw_header *)fw->data;
		printk(KERN_INFO "Firmware file header part 1:\n");
		printk(KERN_INFO " .FirmwareSize = 0x%x\n", hdr->firmwaresize);
		printk(KERN_INFO " .BSLSize = 0x%x\n", hdr->bslsize);
		printk(KERN_INFO " .Reserved = 0x%x\n", hdr->reserved);
		printk(KERN_INFO " .Version = 0x%x\n", hdr->version);

		/* Retrieve bootloader if reqd */
		if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0))
			/* Second bootloader in the firmware file */
			filesize = hdr->reserved * 16;
		else
			filesize = (hdr->firmwaresize + hdr->bslsize) *
				16 + sizeof(struct fw_header);

		printk(KERN_INFO "%s() SecBootLoader.FileSize = %d\n",
			__func__, filesize);

		/* Get bootloader (if reqd) and firmware header */
		if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) {
			/* Second boot loader is required */

			/* Get the loader header */
			boothdr = (struct fw_header *)(fw->data +
				sizeof(struct fw_header));

			bootloaderversion =
				saa7164_readl(SAA_DEVICE_2ND_VERSION);
			dprintk(DBGLVL_FW, "Onboard BootLoader:\n");
			dprintk(DBGLVL_FW, "->Flag 0x%x\n",
				saa7164_readl(SAA_BOOTLOADERERROR_FLAGS));
			dprintk(DBGLVL_FW, "->Ack 0x%x\n",
				saa7164_readl(SAA_DATAREADY_FLAG_ACK));
			dprintk(DBGLVL_FW, "->FW Version 0x%x\n", version);
			dprintk(DBGLVL_FW, "->Loader Version 0x%x\n",
				bootloaderversion);

			if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
				0x03) && (saa7164_readl(SAA_DATAREADY_FLAG_ACK)
				== 0x00) && (version == 0x00)) {

				dprintk(DBGLVL_FW, "BootLoader version in  "
					"rom %d.%d.%d.%d\n",
					(bootloaderversion & 0x0000fc00) >> 10,
					(bootloaderversion & 0x000003e0) >> 5,
					(bootloaderversion & 0x0000001f),
					(bootloaderversion & 0xffff0000) >> 16
					);
				dprintk(DBGLVL_FW, "BootLoader version "
					"in file %d.%d.%d.%d\n",
					(boothdr->version & 0x0000fc00) >> 10,
					(boothdr->version & 0x000003e0) >> 5,
					(boothdr->version & 0x0000001f),
					(boothdr->version & 0xffff0000) >> 16
					);

				if (bootloaderversion == boothdr->version)
					updatebootloader = 0;
			}
Beispiel #2
0
/* Load the firmware. Optionally it can be in ROM or newer versions
 * can be on disk, saving the expense of the ROM hardware. */
int saa7164_downloadfirmware(struct saa7164_dev *dev)
{
	/* u32 second_timeout = 60 * SAA_DEVICE_TIMEOUT; */
	u32 tmp, filesize, version, err_flags, first_timeout, fwlength;
	u32 second_timeout, updatebootloader = 1, bootloadersize = 0;
	const struct firmware *fw = NULL;
	struct fw_header *hdr, *boothdr = NULL, *fwhdr;
	u32 bootloaderversion = 0, fwloadersize;
	u8 *bootloaderoffset = NULL, *fwloaderoffset;
	char *fwname;
	int ret;

;

	if (saa7164_boards[dev->board].chiprev == SAA7164_CHIP_REV2) {
		fwname = SAA7164_REV2_FIRMWARE;
		fwlength = SAA7164_REV2_FIRMWARE_SIZE;
	} else {
		fwname = SAA7164_REV3_FIRMWARE;
		fwlength = SAA7164_REV3_FIRMWARE_SIZE;
	}

	version = saa7164_getcurrentfirmwareversion(dev);

	if (version == 0x00) {

		second_timeout = 100;
		first_timeout = 100;
		err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS);
//		dprintk(DBGLVL_FW, "%s() err_flags = %x\n",
;

		while (err_flags != SAA_DEVICE_IMAGE_BOOTING) {
//			dprintk(DBGLVL_FW, "%s() err_flags = %x\n",
;
			msleep(10); /* Checkpatch throws a < 20ms warning */

			if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) {
//				printk(KERN_ERR "%s() firmware corrupt\n",
;
				break;
			}
			if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) {
//				printk(KERN_ERR "%s() device memory corrupt\n",
;
				break;
			}
			if (err_flags & SAA_DEVICE_NO_IMAGE) {
//				printk(KERN_ERR "%s() no first image\n",
;
				break;
			}
			if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) {
				first_timeout -= 10;
				if (first_timeout == 0) {
//					printk(KERN_ERR
//						"%s() no first image\n",
;
					break;
				}
			} else if (err_flags & SAA_DEVICE_IMAGE_LOADING) {
				second_timeout -= 10;
				if (second_timeout == 0) {
//					printk(KERN_ERR
//					"%s() FW load time exceeded\n",
;
					break;
				}
			} else {
				second_timeout -= 10;
				if (second_timeout == 0) {
//					printk(KERN_ERR
//					"%s() Unknown bootloader flags 0x%x\n",
;
					break;
				}
			}

			err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS);
		} /* While != Booting */

		if (err_flags == SAA_DEVICE_IMAGE_BOOTING) {
//			dprintk(DBGLVL_FW, "%s() Loader 1 has loaded.\n",
;
			first_timeout = SAA_DEVICE_TIMEOUT;
			second_timeout = 60 * SAA_DEVICE_TIMEOUT;
			second_timeout = 100;

			err_flags = saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS);
//			dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n",
;
			while (err_flags != SAA_DEVICE_IMAGE_BOOTING) {
//				dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n",
;
				msleep(10); /* Checkpatch throws a < 20ms warning */

				if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) {
//					printk(KERN_ERR
//						"%s() firmware corrupt\n",
;
					break;
				}
				if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) {
//					printk(KERN_ERR
//						"%s() device memory corrupt\n",
;
					break;
				}
				if (err_flags & SAA_DEVICE_NO_IMAGE) {
//					printk(KERN_ERR "%s() no first image\n",
;
					break;
				}
				if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) {
					first_timeout -= 10;
					if (first_timeout == 0) {
//						printk(KERN_ERR
//						"%s() no second image\n",
;
						break;
					}
				} else if (err_flags &
					SAA_DEVICE_IMAGE_LOADING) {
					second_timeout -= 10;
					if (second_timeout == 0) {
//						printk(KERN_ERR
//						"%s() FW load time exceeded\n",
;
						break;
					}
				} else {
					second_timeout -= 10;
					if (second_timeout == 0) {
//						printk(KERN_ERR
//					"%s() Unknown bootloader flags 0x%x\n",
;
						break;
					}
				}

				err_flags =
				saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS);
			} /* err_flags != SAA_DEVICE_IMAGE_BOOTING */

//			dprintk(DBGLVL_FW, "%s() Loader flags 1:0x%x 2:0x%x.\n",
//				__func__,
//				saa7164_readl(SAA_BOOTLOADERERROR_FLAGS),
;

		} /* err_flags == SAA_DEVICE_IMAGE_BOOTING */

		/* It's possible for both firmwares to have booted,
		 * but that doesn't mean they've finished booting yet.
		 */
		if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
			SAA_DEVICE_IMAGE_BOOTING) &&
			(saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) ==
			SAA_DEVICE_IMAGE_BOOTING)) {


//			dprintk(DBGLVL_FW, "%s() Loader 2 has loaded.\n",
;

			first_timeout = SAA_DEVICE_TIMEOUT;
			while (first_timeout) {
				msleep(10); /* Checkpatch throws a < 20ms warning */

				version =
					saa7164_getcurrentfirmwareversion(dev);
				if (version) {
//					dprintk(DBGLVL_FW,
//					"%s() All f/w loaded successfully\n",
;
					break;
				} else {
					first_timeout -= 10;
					if (first_timeout == 0) {
//						printk(KERN_ERR
//						"%s() FW did not boot\n",
;
						break;
					}
				}
			}
		}
		version = saa7164_getcurrentfirmwareversion(dev);
	} /* version == 0 */

	/* Has the firmware really booted? */
	if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
		SAA_DEVICE_IMAGE_BOOTING) &&
		(saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) ==
		SAA_DEVICE_IMAGE_BOOTING) && (version == 0)) {

//		printk(KERN_ERR
//			"%s() The firmware hung, probably bad firmware\n",
;

		/* Tell the second stage loader we have a deadlock */
		saa7164_writel(SAA_DEVICE_DEADLOCK_DETECTED_OFFSET,
			SAA_DEVICE_DEADLOCK_DETECTED);

		saa7164_getfirmwarestatus(dev);

		return -ENOMEM;
	}

//	dprintk(DBGLVL_FW, "Device has Firmware Version %d.%d.%d.%d\n",
//		(version & 0x0000fc00) >> 10,
//		(version & 0x000003e0) >> 5,
//		(version & 0x0000001f),
;

	/* Load the firmwware from the disk if required */
	if (version == 0) {

//		printk(KERN_INFO "%s() Waiting for firmware upload (%s)\n",
;

		ret = request_firmware(&fw, fwname, &dev->pci->dev);
		if (ret) {
//			printk(KERN_ERR "%s() Upload failed. "
;
			return -ENOMEM;
		}

//		printk(KERN_INFO "%s() firmware read %Zu bytes.\n",
;

		if (fw->size != fwlength) {
;
			ret = -ENOMEM;
			goto out;
		}

;

		hdr = (struct fw_header *)fw->data;
;
;
;
;
;

		/* Retrieve bootloader if reqd */
		if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0))
			/* Second bootloader in the firmware file */
			filesize = hdr->reserved * 16;
		else
			filesize = (hdr->firmwaresize + hdr->bslsize) *
				16 + sizeof(struct fw_header);

//		printk(KERN_INFO "%s() SecBootLoader.FileSize = %d\n",
;

		/* Get bootloader (if reqd) and firmware header */
		if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) {
			/* Second boot loader is required */

			/* Get the loader header */
			boothdr = (struct fw_header *)(fw->data +
				sizeof(struct fw_header));

			bootloaderversion =
				saa7164_readl(SAA_DEVICE_2ND_VERSION);
;
//			dprintk(DBGLVL_FW, "->Flag 0x%x\n",
;
//			dprintk(DBGLVL_FW, "->Ack 0x%x\n",
;
;
//			dprintk(DBGLVL_FW, "->Loader Version 0x%x\n",
;

			if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
				0x03) && (saa7164_readl(SAA_DATAREADY_FLAG_ACK)
				== 0x00) && (version == 0x00)) {

//				dprintk(DBGLVL_FW, "BootLoader version in  "
//					"rom %d.%d.%d.%d\n",
//					(bootloaderversion & 0x0000fc00) >> 10,
//					(bootloaderversion & 0x000003e0) >> 5,
//					(bootloaderversion & 0x0000001f),
//					(bootloaderversion & 0xffff0000) >> 16
;
//				dprintk(DBGLVL_FW, "BootLoader version "
//					"in file %d.%d.%d.%d\n",
//					(boothdr->version & 0x0000fc00) >> 10,
//					(boothdr->version & 0x000003e0) >> 5,
//					(boothdr->version & 0x0000001f),
//					(boothdr->version & 0xffff0000) >> 16
;

				if (bootloaderversion == boothdr->version)
					updatebootloader = 0;
			}

			/* Calculate offset to firmware header */
			tmp = (boothdr->firmwaresize + boothdr->bslsize) * 16 +
				(sizeof(struct fw_header) +
				sizeof(struct fw_header));

			fwhdr = (struct fw_header *)(fw->data+tmp);
		} else {
			/* No second boot loader */
			fwhdr = hdr;
		}

//		dprintk(DBGLVL_FW, "Firmware version in file %d.%d.%d.%d\n",
//			(fwhdr->version & 0x0000fc00) >> 10,
//			(fwhdr->version & 0x000003e0) >> 5,
//			(fwhdr->version & 0x0000001f),
//			(fwhdr->version & 0xffff0000) >> 16
;

		if (version == fwhdr->version) {
			/* No download, firmware already on board */
			ret = 0;
			goto out;
		}

		if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) {
			if (updatebootloader) {
				/* Get ready to upload the bootloader */
				bootloadersize = (boothdr->firmwaresize +
					boothdr->bslsize) * 16 +
					sizeof(struct fw_header);

				bootloaderoffset = (u8 *)(fw->data +
					sizeof(struct fw_header));

;
//				printk(KERN_INFO "%s() FirmwareSize = 0x%x\n",
;
//				printk(KERN_INFO "%s() BSLSize = 0x%x\n",
;
//				printk(KERN_INFO "%s() Reserved = 0x%x\n",
;
//				printk(KERN_INFO "%s() Version = 0x%x\n",
;
				ret = saa7164_downloadimage(
					dev,
					bootloaderoffset,
					bootloadersize,
					SAA_DOWNLOAD_FLAGS,
					dev->bmmio + SAA_DEVICE_DOWNLOAD_OFFSET,
					SAA_DEVICE_BUFFERBLOCKSIZE);
				if (ret < 0) {
//					printk(KERN_ERR
;
					goto out;
				}
//				dprintk(DBGLVL_FW,
;

			}

;
			bootloadersize = (boothdr->firmwaresize +
				boothdr->bslsize) * 16 +
				sizeof(struct fw_header);

			bootloaderoffset =
				(u8 *)(fw->data + sizeof(struct fw_header));

			fwloaderoffset = bootloaderoffset + bootloadersize;

			/* TODO: fix this bounds overrun here with old f/ws */
			fwloadersize = (fwhdr->firmwaresize + fwhdr->bslsize) *
				16 + sizeof(struct fw_header);

			ret = saa7164_downloadimage(
				dev,
				fwloaderoffset,
				fwloadersize,
				SAA_DEVICE_2ND_DOWNLOADFLAG_OFFSET,
				dev->bmmio + SAA_DEVICE_2ND_DOWNLOAD_OFFSET,
				SAA_DEVICE_2ND_BUFFERBLOCKSIZE);
			if (ret < 0) {
;
				goto out;
			}
;

		} else {

			/* No bootloader update reqd, download firmware only */
;

			ret = saa7164_downloadimage(
				dev,
				(u8 *)fw->data,
				fw->size,
				SAA_DOWNLOAD_FLAGS,
				dev->bmmio + SAA_DEVICE_DOWNLOAD_OFFSET,
				SAA_DEVICE_BUFFERBLOCKSIZE);
			if (ret < 0) {
;
				goto out;
			}
;
		}
	}

	dev->firmwareloaded = 1;
	ret = 0;

out:
	release_firmware(fw);
	return ret;
}