From 0b1b6a028308ee9df70d00a9de2fafd2538ac01c Mon Sep 17 00:00:00 2001 From: florian Date: Thu, 25 Oct 2012 21:16:51 +0000 Subject: [brcm63xx] add preliminary support for 3.6 kernel git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33936 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...part-make-fixed-part-length-calculation-m.patch | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 target/linux/brcm63xx/patches-3.6/103-MTD-bcm63xxpart-make-fixed-part-length-calculation-m.patch (limited to 'target/linux/brcm63xx/patches-3.6/103-MTD-bcm63xxpart-make-fixed-part-length-calculation-m.patch') diff --git a/target/linux/brcm63xx/patches-3.6/103-MTD-bcm63xxpart-make-fixed-part-length-calculation-m.patch b/target/linux/brcm63xx/patches-3.6/103-MTD-bcm63xxpart-make-fixed-part-length-calculation-m.patch new file mode 100644 index 000000000..ca0cddde9 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.6/103-MTD-bcm63xxpart-make-fixed-part-length-calculation-m.patch @@ -0,0 +1,49 @@ +From 465f1b3ff24dbf3bec43dce344a7bc2640e05ffc Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Tue, 8 May 2012 09:53:07 +0200 +Subject: [PATCH 22/79] MTD: bcm63xxpart: make fixed part length calculation + more generic + +The CFE does not use 4K sectors even if the flash supports it, so +for the fixed partitions like CFE itself or NVRAM the erase block +size is always 64k or bigger. + +Signed-off-by: Jonas Gorski +--- + drivers/mtd/bcm63xxpart.c | 11 +++++++---- + 1 file changed, 7 insertions(+), 4 deletions(-) + +--- a/drivers/mtd/bcm63xxpart.c ++++ b/drivers/mtd/bcm63xxpart.c +@@ -37,8 +37,7 @@ + + #define BCM63XX_EXTENDED_SIZE 0xBFC00000 /* Extended flash address */ + +-#define BCM63XX_MIN_CFE_SIZE 0x10000 /* always at least 64KiB */ +-#define BCM63XX_MIN_NVRAM_SIZE 0x10000 /* always at least 64KiB */ ++#define BCM63XX_CFE_BLOCK_SIZE 0x10000 /* always at least 64KiB */ + + #define BCM63XX_CFE_MAGIC_OFFSET 0x4e0 + +@@ -79,6 +78,7 @@ static int bcm63xx_parse_cfe_partitions( + unsigned int rootfsaddr, kerneladdr, spareaddr; + unsigned int rootfslen, kernellen, sparelen, totallen; + unsigned int cfelen, nvramlen; ++ unsigned int cfe_erasesize; + int i; + u32 computed_crc; + bool rootfs_first = false; +@@ -86,8 +86,11 @@ static int bcm63xx_parse_cfe_partitions( + if (bcm63xx_detect_cfe(master)) + return -EINVAL; + +- cfelen = max_t(uint32_t, master->erasesize, BCM63XX_MIN_CFE_SIZE); +- nvramlen = max_t(uint32_t, master->erasesize, BCM63XX_MIN_NVRAM_SIZE); ++ cfe_erasesize = max_t(uint32_t, master->erasesize, ++ BCM63XX_CFE_BLOCK_SIZE); ++ ++ cfelen = cfe_erasesize; ++ nvramlen = cfe_erasesize; + + /* Allocate memory for buffer */ + buf = vmalloc(sizeof(struct bcm_tag)); -- cgit v1.2.3