rb532: add 3.3 support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31592 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 48 insertions, 0 deletions

diff --git a/target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch b/target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch
new file mode 100644
index 000000000..d127979d2
--- /dev/null
+++ b/target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch
@@ -0,0 +1,48 @@
+--- a/arch/mips/rb532/devices.c
++++ b/arch/mips/rb532/devices.c
+@@ -139,6 +139,19 @@ 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);
+@@ -274,6 +287,16 @@ static void __init parse_mac_addr(char *
+ /* 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) {
+@@ -293,6 +316,8 @@ static void __init rb532_nand_setup(void
+ 	rb532_nand_data.chip.partitions = rb532_partition_info;
+ 	rb532_nand_data.chip.chip_delay = NAND_CHIP_DELAY;
+ 	rb532_nand_data.chip.options = NAND_NO_AUTOINCR;
++	
++	rb532_nand_data.chip.chip_fixup = &rb532_nand_fixup;
+ }
+ 
+