This patch adds the NAND support on OMAP3EVM board and also allocates
five partitions ?on NAND.
Referred to file: arch/arm/mach-omap2/board-omap3beagle.c

Signed-off-by: Vaibhav Hiremath <redacted>
Signed-off-by: Sanjeev Premi <redacted>
Signed-off-by: Hrishikesh Bhandiwad <redacted>
---
?arch/arm/mach-omap2/board-omap3evm.c | ? 40 ++++++++++++++++++++++++++++++++++
?1 files changed, 40 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index b4d4346..be45b63 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c

@@ -30,6 +30,10 @@

?#include <linux/usb/otg.h>
?#include <linux/smsc911x.h>

+#include <linux/mtd/mtd.h>

+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+
?#include <linux/wl12xx.h>
?#include <linux/regulator/fixed.h>
?#include <linux/regulator/machine.h>

@@ -46,6 +50,8 @@

?#include <plat/mcspi.h>
?#include <video/omapdss.h>
?#include <video/omap-panel-generic-dpi.h>
+#include <plat/gpmc.h>
+#include <plat/nand.h>

?#include "mux.h"
?#include "sdram-micron-mt46h32m32lf-6.h"

@@ -101,6 +107,37 @@ static void __init omap3_evm_get_revision(void)

? ? ? ?}
?}

+static struct mtd_partition omap3evm_nand_partitions[] = {
+ ? ? ? /* All the partition sizes are listed in terms of NAND block size */
+ ? ? ? {
+ ? ? ? ? ? ? ? .name ? ? ? ? ? = "X-Loader",
+ ? ? ? ? ? ? ? .offset ? ? ? ? = 0,
+ ? ? ? ? ? ? ? .size ? ? ? ? ? = 4 * NAND_BLOCK_SIZE,
+ ? ? ? ? ? ? ? .mask_flags ? ? = MTD_WRITEABLE, ? ? ? ?/* force read-only */
+ ? ? ? },
+ ? ? ? {
+ ? ? ? ? ? ? ? .name ? ? ? ? ? = "U-Boot",
+ ? ? ? ? ? ? ? .offset ? ? ? ? = 0x80000

+ ? ? ? ? ? ? ? .size ? ? ? ? ? = 15 * NAND_BLOCK_SIZE,
+ ? ? ? ? ? ? ? .mask_flags ? ? = MTD_WRITEABLE, ? ? ? ?/* force read-only */
+ ? ? ? },
+ ? ? ? {
+ ? ? ? ? ? ? ? .name ? ? ? ? ? = "U-Boot Env",
+ ? ? ? ? ? ? ? .offset ? ? ? ? = 0x260000
+ ? ? ? ? ? ? ? .size ? ? ? ? ? = 1 * NAND_BLOCK_SIZE,
+ ? ? ? },
+ ? ? ? {
+ ? ? ? ? ? ? ? .name ? ? ? ? ? = "Kernel",
+ ? ? ? ? ? ? ? .offset ? ? ? ? = 0x280000
+ ? ? ? ? ? ? ? .size ? ? ? ? ? = 32 * NAND_BLOCK_SIZE,
+ ? ? ? },
+ ? ? ? {
+ ? ? ? ? ? ? ? .name ? ? ? ? ? = "File System",
+ ? ? ? ? ? ? ? .offset ? ? ? ? = 0x680000
+ ? ? ? ? ? ? ? .size ? ? ? ? ? = MTDPART_SIZ_FULL,
+ ? ? ? },
+};
+
?#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
?#include <plat/gpmc-smsc911x.h>

@@ -696,6 +733,9 @@ static void __init omap3_evm_init(void)

? ? ? ?omap_serial_init();

+ ? ? ? omap_nand_flash_init(NAND_BUSWIDTH_16, omap3evm_nand_partitions,
+ ? ? ? ? ? ? ? ? ? ? ? ARRAY_SIZE(omap3evm_nand_partitions));
+
? ? ? ?/* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
? ? ? ?usb_nop_xceiv_register();

--
1.6.2.4

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