From 306f3677ecbecce777f35bfe3a9475901055dff1 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Fri, 6 Jun 2008 09:04:14 +0000
Subject: [PATCH] make use the chip_fixup function of the plat_nand driver
SVN-Revision: 11377
---
.../rb532/files/arch/mips/rb500/devices.c | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/target/linux/rb532/files/arch/mips/rb500/devices.c b/target/linux/rb532/files/arch/mips/rb500/devices.c
index f2a6f7d9fc..6372737de7 100644
--- a/target/linux/rb532/files/arch/mips/rb500/devices.c
+++ b/target/linux/rb532/files/arch/mips/rb500/devices.c
@@ -130,6 +130,19 @@ static struct platform_device cf_slot0 = {
};
/* Resources and device for NAND. There is no data needed and no irqs, so just define the memory used. */
+
+/*
+ * 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 rb500_nand_ecclayout = {
+ .eccbytes = 6,
+ .eccpos = { 8, 9, 10, 13, 14, 15 },
+ .oobavail = 9,
+ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
+};
+
int rb500_dev_ready(struct mtd_info *mtd)
{
return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY;
@@ -260,6 +273,16 @@ static void __init parse_mac_addr(char *macstr)
/* NAND definitions */
#define NAND_CHIP_DELAY 25
+static int rb500_nand_fixup(struct mtd_info *mtd)
+{
+ struct nand_chip *chip = mtd->priv;
+
+ if (mtd->writesize == 512)
+ chip->ecc.layout = &rb500_nand_ecclayout;
+
+ return 0;
+}
+
static void __init rb500_nand_setup(void)
{
switch (mips_machtype) {
@@ -277,6 +300,8 @@ static void __init rb500_nand_setup(void)
rb500_nand_data.chip.partitions = rb500_partition_info;
rb500_nand_data.chip.chip_delay = NAND_CHIP_DELAY;
rb500_nand_data.chip.options = NAND_NO_AUTOINCR;
+
+ rb500_nand_data.chip.chip_fixup = &rb500_nand_fixup;
}
--
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