Gitweb: http://git.kernel.org/linus/a1b67b957ea3b9138ed8239796cb48d8b1bf66b0
Commit: a1b67b957ea3b9138ed8239796cb48d8b1bf66b0
Parent: 11a332adfeacee2634f73ad21b55aad5cc7fd54a
Author: Alberto Panizzo <maramaopercheseimorto@gmail.com>
AuthorDate: Tue Mar 23 19:49:35 2010 +0100
Committer: Sascha Hauer <s.hauer@pengutronix.de>
CommitDate: Thu Mar 25 08:43:03 2010 +0100
MXC: mach-mx31_3ds: Add support for on board NAND Flash.
Since the using of Bad Block Table is not constantly a good behave
I had made it configurable.
Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/mach-mx3/Kconfig | 9 +++++++++
arch/arm/mach-mx3/mach-mx31_3ds.c | 13 +++++++++++++
2 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 3872af1..9a2911e 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -62,6 +62,15 @@ config MACH_MX31_3DS
Include support for MX31PDK (3DS) platform. This includes specific
configurations for the board and its peripherals.
+config MACH_MX31_3DS_MXC_NAND_USE_BBT
+ bool "Make the MXC NAND driver use the in flash Bad Block Table"
+ depends on MACH_MX31_3DS
+ depends on MTD_NAND_MXC
+ help
+ Enable this if you want that the MXC NAND driver uses the in flash
+ Bad Block Table to know what blocks are bad instead of scanning the
+ entire flash looking for bad block markers.
+
config MACH_MX31MOBOARD
bool "Support mx31moboard platforms (EPFL Mobots group)"
select ARCH_MX31
diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index 4a94c3c..bf1f54a 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -34,6 +34,7 @@
#include <mach/board-mx31_3ds.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
+#include <mach/mxc_nand.h>
#include "devices.h"
/*!
@@ -53,6 +54,17 @@ static int mx31_3ds_pins[] = {
IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
};
+/*
+ * NAND Flash
+ */
+static struct mxc_nand_platform_data imx31_3ds_nand_flash_pdata = {
+ .width = 1,
+ .hw_ecc = 1,
+#ifdef MACH_MX31_3DS_MXC_NAND_USE_BBT
+ .flash_bbt = 1,
+#endif
+};
+
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
@@ -236,6 +248,7 @@ static void __init mxc_board_init(void)
"mx31_3ds");
mxc_register_device(&mxc_uart_device0, &uart_pdata);
+ mxc_register_device(&mxc_nand_device, &imx31_3ds_nand_flash_pdata);
if (!mx31_3ds_init_expio())
platform_device_register(&smsc911x_device);
--
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