Re: [PATCH V2 1/5] ARM: OMAP3EVM: Add NAND flash definition

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于 2012年06月13日 15:57, Igor Grinberg 写道:
On 06/13/12 04:44, Zumeng Chen wrote:
From: Zumeng Chen<zumeng.chen@xxxxxxxxxxxxx>

Signed-off-by: Vaibhav Hiremath<hvaibhav@xxxxxx>
Tested-by: Zumeng Chen<zumeng.chen@xxxxxxxxxxxxx>
---
  arch/arm/mach-omap2/board-omap3evm.c |   39 ++++++++++++++++++++++++++++++++++
  1 files changed, 39 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 639bd07..0b83d0e 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -24,6 +24,10 @@
  #include<linux/leds.h>
  #include<linux/interrupt.h>

+#include<linux/mtd/mtd.h>
+#include<linux/mtd/partitions.h>
+#include<linux/mtd/nand.h>
+
  #include<linux/spi/spi.h>
  #include<linux/spi/ads7846.h>
  #include<linux/i2c/twl.h>
@@ -43,6 +47,7 @@

  #include<plat/board.h>
  #include<plat/usb.h>
+#include<plat/nand.h>
  #include "common.h"
  #include<plat/mcspi.h>
  #include<video/omapdss.h>
@@ -607,6 +612,37 @@ static struct regulator_consumer_supply dummy_supplies[] = {
  	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
  };

+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*(SZ_128K),
+		.mask_flags     = MTD_WRITEABLE
+	},
+	{
+		.name           = "U-Boot",
+		.offset         = MTDPART_OFS_APPEND,
+		.size           = 14*(SZ_128K),
+		.mask_flags     = MTD_WRITEABLE
+	},
+	{
+		.name           = "U-Boot Env",
+		.offset         = MTDPART_OFS_APPEND,
+		.size           = 2*(SZ_128K)
+	},
+	{
+		.name           = "Kernel",
+		.offset         = MTDPART_OFS_APPEND,
+		.size           = 40*(SZ_128K)
+	},
+	{
+		.name           = "File system",
+		.size           = MTDPART_SIZ_FULL,
+		.offset         = MTDPART_OFS_APPEND,
+	},
+};
+
  static void __init omap3_evm_init(void)
  {
  	struct omap_board_mux *obm;
@@ -656,6 +692,9 @@ static void __init omap3_evm_init(void)
  	}
  	usb_musb_init(&musb_board_data);
  	usbhs_init(&usbhs_bdata);
+	omap_nand_flash_init(NAND_BUSWIDTH_16, omap3evm_nand_partitions,
+			     ARRAY_SIZE(omap3evm_nand_partitions));
+
I think, this will interfere with Afzal's patches [1]?
Yes, Igor, thanks for your kind reminder, I have already
noticed Afzal's GPMC patches when at [PATCH v4 00/39]

But I didn't read recently, I'll check them again to see if they
have been in Tony's queue :-)

Regards,
Zumeng

  	omap_ads7846_init(1, OMAP3_EVM_TS_GPIO, 310, NULL);
  	omap3evm_init_smsc911x();
  	omap3_evm_display_init();
[1] http://www.spinics.net/lists/arm-kernel/msg178664.html


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