[PATCH] OMAP3: NAND: Adding NAND support and specifying NAND partitions.
From: Hrishikesh Bhandiwad <hidden>
Date: 2011-07-25 13:42:40
Also in:
linux-omap, lkml
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
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