From: Simon Arlott Date: Sun, 13 Dec 2015 22:46:59 +0000 (+0000) Subject: MIPS: bcm963xx: Move Broadcom BCM963xx image tag data structure X-Git-Tag: drm-fsl-dcu-for-next~1746^2~7 X-Git-Url: http://git.agner.ch/gitweb/?p=linux-drm-fsl-dcu.git;a=commitdiff_plain;h=8fce60b8d0c62363c29d64efb0cceb98519f0350 MIPS: bcm963xx: Move Broadcom BCM963xx image tag data structure Move Broadcom BCM963xx image tag data structure to include/linux/ so that drivers outside of mach-bcm63xx can use it. Signed-off-by: Simon Arlott Cc: David Woodhouse Cc: Brian Norris Cc: Kevin Cernekee Cc: Florian Fainelli Cc: Jonas Gorski Cc: Linux Kernel Mailing List Cc: MIPS Mailing List Cc: MTD Maling List Patchwork: https://patchwork.linux-mips.org/patch/11832/ Signed-off-by: Ralf Baechle --- diff --git a/MAINTAINERS b/MAINTAINERS index 6cb7b57a0e2f..069406de5b14 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2377,6 +2377,7 @@ F: arch/mips/boot/dts/brcm/bcm*.dts* F: drivers/irqchip/irq-bcm7* F: drivers/irqchip/irq-brcmstb* F: include/linux/bcm963xx_nvram.h +F: include/linux/bcm963xx_tag.h BROADCOM TG3 GIGABIT ETHERNET DRIVER M: Prashant Sreedharan diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h deleted file mode 100644 index 1e6b587f62c9..000000000000 --- a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h +++ /dev/null @@ -1,96 +0,0 @@ -#ifndef __BCM963XX_TAG_H -#define __BCM963XX_TAG_H - -#define TAGVER_LEN 4 /* Length of Tag Version */ -#define TAGLAYOUT_LEN 4 /* Length of FlashLayoutVer */ -#define SIG1_LEN 20 /* Company Signature 1 Length */ -#define SIG2_LEN 14 /* Company Signature 2 Length */ -#define BOARDID_LEN 16 /* Length of BoardId */ -#define ENDIANFLAG_LEN 2 /* Endian Flag Length */ -#define CHIPID_LEN 6 /* Chip Id Length */ -#define IMAGE_LEN 10 /* Length of Length Field */ -#define ADDRESS_LEN 12 /* Length of Address field */ -#define DUALFLAG_LEN 2 /* Dual Image flag Length */ -#define INACTIVEFLAG_LEN 2 /* Inactie Flag Length */ -#define RSASIG_LEN 20 /* Length of RSA Signature in tag */ -#define TAGINFO1_LEN 30 /* Length of vendor information field1 in tag */ -#define FLASHLAYOUTVER_LEN 4 /* Length of Flash Layout Version String tag */ -#define TAGINFO2_LEN 16 /* Length of vendor information field2 in tag */ -#define ALTTAGINFO_LEN 54 /* Alternate length for vendor information; Pirelli */ - -#define NUM_PIRELLI 2 -#define IMAGETAG_CRC_START 0xFFFFFFFF - -#define PIRELLI_BOARDS { \ - "AGPF-S0", \ - "DWV-S0", \ -} - -/* - * The broadcom firmware assumes the rootfs starts the image, - * therefore uses the rootfs start (flash_image_address) - * to determine where to flash the image. Since we have the kernel first - * we have to give it the kernel address, but the crc uses the length - * associated with this address (root_length), which is added to the kernel - * length (kernel_length) to determine the length of image to flash and thus - * needs to be rootfs + deadcode (jffs2 EOF marker) -*/ - -struct bcm_tag { - /* 0-3: Version of the image tag */ - char tag_version[TAGVER_LEN]; - /* 4-23: Company Line 1 */ - char sig_1[SIG1_LEN]; - /* 24-37: Company Line 2 */ - char sig_2[SIG2_LEN]; - /* 38-43: Chip this image is for */ - char chip_id[CHIPID_LEN]; - /* 44-59: Board name */ - char board_id[BOARDID_LEN]; - /* 60-61: Map endianness -- 1 BE 0 LE */ - char big_endian[ENDIANFLAG_LEN]; - /* 62-71: Total length of image */ - char total_length[IMAGE_LEN]; - /* 72-83: Address in memory of CFE */ - char cfe__address[ADDRESS_LEN]; - /* 84-93: Size of CFE */ - char cfe_length[IMAGE_LEN]; - /* 94-105: Address in memory of image start - * (kernel for OpenWRT, rootfs for stock firmware) - */ - char flash_image_start[ADDRESS_LEN]; - /* 106-115: Size of rootfs */ - char root_length[IMAGE_LEN]; - /* 116-127: Address in memory of kernel */ - char kernel_address[ADDRESS_LEN]; - /* 128-137: Size of kernel */ - char kernel_length[IMAGE_LEN]; - /* 138-139: Unused at the moment */ - char dual_image[DUALFLAG_LEN]; - /* 140-141: Unused at the moment */ - char inactive_flag[INACTIVEFLAG_LEN]; - /* 142-161: RSA Signature (not used; some vendors may use this) */ - char rsa_signature[RSASIG_LEN]; - /* 162-191: Compilation and related information (not used in OpenWrt) */ - char information1[TAGINFO1_LEN]; - /* 192-195: Version flash layout */ - char flash_layout_ver[FLASHLAYOUTVER_LEN]; - /* 196-199: kernel+rootfs CRC32 */ - __u32 fskernel_crc; - /* 200-215: Unused except on Alice Gate where is is information */ - char information2[TAGINFO2_LEN]; - /* 216-219: CRC32 of image less imagetag (kernel for Alice Gate) */ - __u32 image_crc; - /* 220-223: CRC32 of rootfs partition */ - __u32 rootfs_crc; - /* 224-227: CRC32 of kernel partition */ - __u32 kernel_crc; - /* 228-235: Unused at present */ - char reserved1[8]; - /* 236-239: CRC32 of header excluding last 20 bytes */ - __u32 header_crc; - /* 240-255: Unused at present */ - char reserved2[16]; -}; - -#endif /* __BCM63XX_TAG_H */ diff --git a/drivers/mtd/bcm63xxpart.c b/drivers/mtd/bcm63xxpart.c index b2443f7031c9..8b86ed69522e 100644 --- a/drivers/mtd/bcm63xxpart.c +++ b/drivers/mtd/bcm63xxpart.c @@ -24,6 +24,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include #include #include #include @@ -34,7 +35,6 @@ #include #include -#include #include #define BCM63XX_EXTENDED_SIZE 0xBFC00000 /* Extended flash address */ diff --git a/include/linux/bcm963xx_tag.h b/include/linux/bcm963xx_tag.h new file mode 100644 index 000000000000..f389dace6d95 --- /dev/null +++ b/include/linux/bcm963xx_tag.h @@ -0,0 +1,98 @@ +#ifndef __LINUX_BCM963XX_TAG_H__ +#define __LINUX_BCM963XX_TAG_H__ + +#include + +#define TAGVER_LEN 4 /* Length of Tag Version */ +#define TAGLAYOUT_LEN 4 /* Length of FlashLayoutVer */ +#define SIG1_LEN 20 /* Company Signature 1 Length */ +#define SIG2_LEN 14 /* Company Signature 2 Length */ +#define BOARDID_LEN 16 /* Length of BoardId */ +#define ENDIANFLAG_LEN 2 /* Endian Flag Length */ +#define CHIPID_LEN 6 /* Chip Id Length */ +#define IMAGE_LEN 10 /* Length of Length Field */ +#define ADDRESS_LEN 12 /* Length of Address field */ +#define DUALFLAG_LEN 2 /* Dual Image flag Length */ +#define INACTIVEFLAG_LEN 2 /* Inactie Flag Length */ +#define RSASIG_LEN 20 /* Length of RSA Signature in tag */ +#define TAGINFO1_LEN 30 /* Length of vendor information field1 in tag */ +#define FLASHLAYOUTVER_LEN 4 /* Length of Flash Layout Version String tag */ +#define TAGINFO2_LEN 16 /* Length of vendor information field2 in tag */ +#define ALTTAGINFO_LEN 54 /* Alternate length for vendor information; Pirelli */ + +#define NUM_PIRELLI 2 +#define IMAGETAG_CRC_START 0xFFFFFFFF + +#define PIRELLI_BOARDS { \ + "AGPF-S0", \ + "DWV-S0", \ +} + +/* + * The broadcom firmware assumes the rootfs starts the image, + * therefore uses the rootfs start (flash_image_address) + * to determine where to flash the image. Since we have the kernel first + * we have to give it the kernel address, but the crc uses the length + * associated with this address (root_length), which is added to the kernel + * length (kernel_length) to determine the length of image to flash and thus + * needs to be rootfs + deadcode (jffs2 EOF marker) +*/ + +struct bcm_tag { + /* 0-3: Version of the image tag */ + char tag_version[TAGVER_LEN]; + /* 4-23: Company Line 1 */ + char sig_1[SIG1_LEN]; + /* 24-37: Company Line 2 */ + char sig_2[SIG2_LEN]; + /* 38-43: Chip this image is for */ + char chip_id[CHIPID_LEN]; + /* 44-59: Board name */ + char board_id[BOARDID_LEN]; + /* 60-61: Map endianness -- 1 BE 0 LE */ + char big_endian[ENDIANFLAG_LEN]; + /* 62-71: Total length of image */ + char total_length[IMAGE_LEN]; + /* 72-83: Address in memory of CFE */ + char cfe__address[ADDRESS_LEN]; + /* 84-93: Size of CFE */ + char cfe_length[IMAGE_LEN]; + /* 94-105: Address in memory of image start + * (kernel for OpenWRT, rootfs for stock firmware) + */ + char flash_image_start[ADDRESS_LEN]; + /* 106-115: Size of rootfs */ + char root_length[IMAGE_LEN]; + /* 116-127: Address in memory of kernel */ + char kernel_address[ADDRESS_LEN]; + /* 128-137: Size of kernel */ + char kernel_length[IMAGE_LEN]; + /* 138-139: Unused at the moment */ + char dual_image[DUALFLAG_LEN]; + /* 140-141: Unused at the moment */ + char inactive_flag[INACTIVEFLAG_LEN]; + /* 142-161: RSA Signature (not used; some vendors may use this) */ + char rsa_signature[RSASIG_LEN]; + /* 162-191: Compilation and related information (not used in OpenWrt) */ + char information1[TAGINFO1_LEN]; + /* 192-195: Version flash layout */ + char flash_layout_ver[FLASHLAYOUTVER_LEN]; + /* 196-199: kernel+rootfs CRC32 */ + __u32 fskernel_crc; + /* 200-215: Unused except on Alice Gate where is is information */ + char information2[TAGINFO2_LEN]; + /* 216-219: CRC32 of image less imagetag (kernel for Alice Gate) */ + __u32 image_crc; + /* 220-223: CRC32 of rootfs partition */ + __u32 rootfs_crc; + /* 224-227: CRC32 of kernel partition */ + __u32 kernel_crc; + /* 228-235: Unused at present */ + char reserved1[8]; + /* 236-239: CRC32 of header excluding last 20 bytes */ + __u32 header_crc; + /* 240-255: Unused at present */ + char reserved2[16]; +}; + +#endif /* __LINUX_BCM63XX_TAG_H__ */