linux-omap2 git: add missing patch

1 files changed, 226 insertions, 0 deletions

diff --git a/packages/linux/linux-omap2-git/beagleboard/flash2.patch b/packages/linux/linux-omap2-git/beagleboard/flash2.patch
new file mode 100644
index 0000000000..1018d46517
--- /dev/null
+++ b/packages/linux/linux-omap2-git/beagleboard/flash2.patch
@@ -0,0 +1,226 @@
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+Date: 	Mon, 04 Aug 2008 17:58:22 +0200
+From: Dirk Behme <dirk.behme@googlemail.com>
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+To: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
+CC: Steve Sakoman <steve@sakoman.com>
+Subject: [PATCH 2/3 v2] OMAP3 Beagle: add nand support
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+From: Steve Sakoman <steve@sakoman.com>, Dirk Behme <dirk.behme@gmail.com>
+
+Add nand support to omap3beagle
+
+Signed-off-by: Steve Sakoman <steve@sakoman.com>
+Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
+
+
+--------------030806030601010501010906
+Content-Type: text/plain;
+ name="2_nand.txt"
+Content-Transfer-Encoding: 7bit
+Content-Disposition: inline;
+ filename="2_nand.txt"
+
+Index: linux-beagle/arch/arm/mach-omap2/board-omap3beagle.c
+===================================================================
+--- linux-beagle.orig/arch/arm/mach-omap2/board-omap3beagle.c
++++ linux-beagle/arch/arm/mach-omap2/board-omap3beagle.c
+@@ -20,11 +20,15 @@
+ #include <linux/clk.h>
+ #include <linux/io.h>
+ #include <linux/leds.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/partitions.h>
++#include <linux/mtd/nand.h>
+ 
+ #include <asm/hardware.h>
+ #include <asm/mach-types.h>
+ #include <asm/mach/arch.h>
+ #include <asm/mach/map.h>
++#include <asm/mach/flash.h>
+ 
+ #include <asm/arch/gpio.h>
+ #include <asm/arch/board.h>
+@@ -32,6 +36,64 @@
+ #include <asm/arch/usb-ehci.h>
+ #include <asm/arch/hsmmc.h>
+ #include <asm/arch/common.h>
++#include <asm/arch/gpmc.h>
++#include <asm/arch/nand.h>
++
++#define GPMC_CS0_BASE  0x60
++#define GPMC_CS_SIZE   0x30
++
++static struct mtd_partition omap3beagle_nand_partitions[] = {
++	/* All the partition sizes are listed in terms of NAND block size */
++	{
++		.name		= "X-Loader",
++		.offset		= 0,
++		.size		= 4*(64 * 2048),
++		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
++	},
++	{
++		.name		= "U-Boot",
++		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
++		.size		= 15*(64 * 2048),
++		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
++	},
++	{
++		.name		= "U-Boot Env",
++		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x260000 */
++		.size		= 1*(64 * 2048),
++	},
++	{
++		.name		= "Kernel",
++		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
++		.size		= 32*(64 * 2048),
++	},
++	{
++		.name		= "File System",
++		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
++		.size		= MTDPART_SIZ_FULL,
++	},
++};
++
++static struct omap_nand_platform_data omap3beagle_nand_data = {
++	.parts		= omap3beagle_nand_partitions,
++	.nr_parts	= ARRAY_SIZE(omap3beagle_nand_partitions),
++	.dma_channel	= -1,		/* disable DMA in OMAP NAND driver */
++	.nand_setup	= NULL,
++	.dev_ready	= NULL,
++};
++
++static struct resource omap3beagle_nand_resource = {
++	.flags		= IORESOURCE_MEM,
++};
++
++static struct platform_device omap3beagle_nand_device = {
++	.name		= "omap2-nand",
++	.id		= -1,
++	.dev		= {
++		.platform_data	= &omap3beagle_nand_data,
++	},
++	.num_resources	= 1,
++	.resource	= &omap3beagle_nand_resource,
++};
+ 
+ static struct omap_uart_config omap3_beagle_uart_config __initdata = {
+ 	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
+@@ -113,6 +175,44 @@ static struct platform_device *omap3_bea
+ 	&leds_gpio,
+ };
+ 
++void __init omap3beagle_flash_init(void)
++{
++	u8 cs = 0;
++	u8 nandcs = GPMC_CS_NUM + 1;
++
++	u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
++
++	/* find out the chip-select on which NAND exists */
++	while (cs < GPMC_CS_NUM) {
++		u32 ret = 0;
++		ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
++
++		if ((ret & 0xC00) == 0x800) {
++			printk(KERN_INFO "Found NAND on CS%d\n", cs);
++			if (nandcs > GPMC_CS_NUM)
++				nandcs = cs;
++		}
++		cs++;
++	}
++
++	if (nandcs > GPMC_CS_NUM) {
++		printk(KERN_INFO "NAND: Unable to find configuration "
++				 "in GPMC\n ");
++		return;
++	}
++
++	if (nandcs < GPMC_CS_NUM) {
++		omap3beagle_nand_data.cs = nandcs;
++		omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
++			(gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
++		omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
++
++		printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
++		if (platform_device_register(&omap3beagle_nand_device) < 0)
++			printk(KERN_ERR "Unable to register NAND device\n");
++	}
++}
++
+ static void __init omap3_beagle_init(void)
+ {
+ 	platform_add_devices(omap3_beagle_devices, ARRAY_SIZE(omap3_beagle_devices));
+@@ -122,6 +222,7 @@ static void __init omap3_beagle_init(voi
+ 	hsmmc_init();
+ 	usb_musb_init();
+ 	usb_ehci_init();
++	omap3beagle_flash_init();
+ }
+ 
+ arch_initcall(omap3_beagle_i2c_init);
+
+--------------030806030601010501010906--
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