From 2ce30d075aab8baa7aae7ac3d58e46690e02f282 Mon Sep 17 00:00:00 2001 From: jogo Date: Sun, 19 May 2013 18:32:02 +0000 Subject: bcm63xx: Simplify CFE detection. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Check bootloader argument in mtd. Signed-off-by: Álvaro Fernández Rojas [jogo@openwrt.org: split into two patches, one for detection, one letting bcm63xxpart use it.] Signed-off-by: Jonas Gorski git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36659 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../324-bcm63xxpart_use_cfedetection.patch | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 target/linux/brcm63xx/patches-3.8/324-bcm63xxpart_use_cfedetection.patch (limited to 'target/linux/brcm63xx/patches-3.8/324-bcm63xxpart_use_cfedetection.patch') diff --git a/target/linux/brcm63xx/patches-3.8/324-bcm63xxpart_use_cfedetection.patch b/target/linux/brcm63xx/patches-3.8/324-bcm63xxpart_use_cfedetection.patch new file mode 100644 index 000000000..fd7d08a3d --- /dev/null +++ b/target/linux/brcm63xx/patches-3.8/324-bcm63xxpart_use_cfedetection.patch @@ -0,0 +1,51 @@ +--- a/drivers/mtd/bcm63xxpart.c ++++ b/drivers/mtd/bcm63xxpart.c +@@ -35,7 +35,7 @@ + + #include + #include +-#include ++#include + + #define BCM63XX_EXTENDED_SIZE 0xBFC00000 /* Extended flash address */ + +@@ -43,30 +43,6 @@ + + #define BCM63XX_CFE_MAGIC_OFFSET 0x4e0 + +-static int bcm63xx_detect_cfe(struct mtd_info *master) +-{ +- char buf[9]; +- int ret; +- size_t retlen; +- +- ret = mtd_read(master, BCM963XX_CFE_VERSION_OFFSET, 5, &retlen, +- (void *)buf); +- buf[retlen] = 0; +- +- if (ret) +- return ret; +- +- if (strncmp("cfe-v", buf, 5) == 0) +- return 0; +- +- /* very old CFE's do not have the cfe-v string, so check for magic */ +- ret = mtd_read(master, BCM63XX_CFE_MAGIC_OFFSET, 8, &retlen, +- (void *)buf); +- buf[retlen] = 0; +- +- return strncmp("CFE1CFE1", buf, 8); +-} +- + static int bcm63xx_parse_cfe_partitions(struct mtd_info *master, + struct mtd_partition **pparts, + struct mtd_part_parser_data *data) +@@ -85,7 +61,7 @@ static int bcm63xx_parse_cfe_partitions( + u32 computed_crc; + bool rootfs_first = false; + +- if (bcm63xx_detect_cfe(master)) ++ if (!bcm63xx_is_cfe_present()) + return -EINVAL; + + cfe_erasesize = max_t(uint32_t, master->erasesize, -- cgit v1.2.3