From 7a340a5cd0e64c84416ce8554f7d41728211e5cb Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 23 Dec 2016 20:35:58 -0800 Subject: rb532: Add support for kernel 4.4 Signed-off-by: Florian Fainelli --- .../rb532/patches-4.4/002-rb532_nand_fixup.patch | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 target/linux/rb532/patches-4.4/002-rb532_nand_fixup.patch (limited to 'target/linux/rb532/patches-4.4/002-rb532_nand_fixup.patch') diff --git a/target/linux/rb532/patches-4.4/002-rb532_nand_fixup.patch b/target/linux/rb532/patches-4.4/002-rb532_nand_fixup.patch new file mode 100644 index 0000000..3172d03 --- /dev/null +++ b/target/linux/rb532/patches-4.4/002-rb532_nand_fixup.patch @@ -0,0 +1,47 @@ +--- a/arch/mips/rb532/devices.c ++++ b/arch/mips/rb532/devices.c +@@ -141,6 +141,19 @@ static struct platform_device cf_slot0 = + }; + + /* Resources and device for NAND */ ++ ++/* ++ * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader ++ * will not be able to find the kernel that we load. So set the oobinfo ++ * when creating the partitions ++ */ ++static struct nand_ecclayout rb532_nand_ecclayout = { ++ .eccbytes = 6, ++ .eccpos = { 8, 9, 10, 13, 14, 15 }, ++ .oobavail = 9, ++ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } ++}; ++ + static int rb532_dev_ready(struct mtd_info *mtd) + { + return gpio_get_value(GPIO_RDY); +@@ -255,6 +268,16 @@ static struct platform_device *rb532_dev + /* NAND definitions */ + #define NAND_CHIP_DELAY 25 + ++static int rb532_nand_fixup(struct mtd_info *mtd) ++{ ++ struct nand_chip *chip = mtd->priv; ++ ++ if (mtd->writesize == 512) ++ chip->ecc.layout = &rb532_nand_ecclayout; ++ ++ return 0; ++} ++ + static void __init rb532_nand_setup(void) + { + switch (mips_machtype) { +@@ -273,6 +296,7 @@ static void __init rb532_nand_setup(void + rb532_nand_data.chip.nr_partitions = ARRAY_SIZE(rb532_partition_info); + rb532_nand_data.chip.partitions = rb532_partition_info; + rb532_nand_data.chip.chip_delay = NAND_CHIP_DELAY; ++ rb532_nand_data.chip.chip_fixup = &rb532_nand_fixup; + } + + -- cgit v1.1