summaryrefslogtreecommitdiffstats
path: root/target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch
diff options
context:
space:
mode:
authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-05-05 11:43:23 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-05-05 11:43:23 +0000
commitdc1df9e044af3611cf8d1aa9ba3a385e17135fa0 (patch)
treea33d417fe59802d3b5a0d37491abcdee82676b30 /target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch
parent321be1fc52131e270aadb09467e809120b5d2505 (diff)
rb532: add 3.3 support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31592 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch')
-rw-r--r--target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch48
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;
+ }
+
+