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authorAlberto Panizzo <maramaopercheseimorto@gmail.com>2009-06-17 15:06:30 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2009-06-23 14:25:26 +0200
commit0c8bad6a26aefbcb7b3d8d1e5d97c53076ac99af (patch)
treea6335a40ce585a352349d3832158f28452aa1fbf /arch/arm
parentc3a9c7f53a0eb1ec687ecf131f9cfb41bbdc26b5 (diff)
Armadillo 500 add NAND flash device support (resend).
Since recent mxc_nand driver fixes from linux-mtd this patch add support for ST NAND02GW3B2CN6 (2k pages flash) placed on the armadillo 500 motherboard. Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-mx3/armadillo5x0.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c
index 38d99e6c9d0..ee331fd6b1b 100644
--- a/arch/arm/mach-mx3/armadillo5x0.c
+++ b/arch/arm/mach-mx3/armadillo5x0.c
@@ -32,6 +32,7 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
+#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -47,8 +48,10 @@
#include <mach/mmc.h>
#include <mach/ipu.h>
#include <mach/mx3fb.h>
+#include <mach/mxc_nand.h>
#include "devices.h"
+#include "crm_regs.h"
static int armadillo5x0_pins[] = {
/* UART1 */
@@ -94,7 +97,14 @@ static int armadillo5x0_pins[] = {
MX31_PIN_FPSHIFT__FPSHIFT,
MX31_PIN_DRDY0__DRDY0,
IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
+};
+/*
+ * NAND Flash
+ */
+static struct mxc_nand_platform_data armadillo5x0_nand_flash_pdata = {
+ .width = 1,
+ .hw_ecc = 1,
};
/*
@@ -319,6 +329,12 @@ static void __init armadillo5x0_init(void)
/* Register NOR Flash */
mxc_register_device(&armadillo5x0_nor_flash,
&armadillo5x0_nor_flash_pdata);
+
+ /* Register NAND Flash */
+ mxc_register_device(&mxc_nand_device, &armadillo5x0_nand_flash_pdata);
+
+ /* set NAND page size to 2k if not configured via boot mode pins */
+ __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);
}
static void __init armadillo5x0_timer_init(void)