compulab-pxa270: drop 2.6.20 kernel now that we have 2.6.22

1 files changed, 0 insertions, 324 deletions

diff --git a/packages/linux/compulab-pxa270-2.6.20/0004-nand-driver.patch b/packages/linux/compulab-pxa270-2.6.20/0004-nand-driver.patch
deleted file mode 100644
index f8e05c3c22..0000000000
--- a/packages/linux/compulab-pxa270-2.6.20/0004-nand-driver.patch
+++ /dev/null
@@ -1,324 +0,0 @@
-From nobody Mon Sep 17 00:00:00 2001
-From: Cliff Brake <cbrake@happy.dev.bec-systems.com>
-Date: Tue Apr 3 11:38:59 2007 -0400
-Subject: [PATCH] nand driver
-
-2.6.20 NAND flash driver for cm-x270
-
----
-
- drivers/mtd/nand/Kconfig       |    4 +
- drivers/mtd/nand/Makefile      |    1 
- drivers/mtd/nand/cmx270-nand.c |  271 ++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 276 insertions(+), 0 deletions(-)
- create mode 100644 drivers/mtd/nand/cmx270-nand.c
-
-base a34beb5936e5819d8b2d51b153434825700463ef
-last deaa2960bd8fb1f706a935cd7a87321977e6f568
-diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
-index 358f55a82dbe4ebb73b1b0ee460063a6145e3f0e..c80272bcc69b6e13ab0c4403e4635a8a4076dc6c 100644
---- a/drivers/mtd/nand/Kconfig
-+++ b/drivers/mtd/nand/Kconfig
-@@ -247,6 +247,10 @@ config MTD_NAND_AT91
- 	help
- 	  Enables support for NAND Flash / Smart Media Card interface
- 	  on Atmel AT91 processors.
-+ 
-+config MTD_NAND_CM_X270
-+  	tristate "Support for NAND Flash on CompuLab CM-X270"
-+  	depends on MTD_NAND && ARCH_PXA
- 
- config MTD_NAND_NANDSIM
- 	tristate "Support for NAND Flash Simulator"
-diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
-index f7a53f0b70177451680402a2c2cce4c98991cd6e..d5abbca6d5ae18e287af0b02075f99838d35dc85 100644
---- a/drivers/mtd/nand/Makefile
-+++ b/drivers/mtd/nand/Makefile
-@@ -24,6 +24,7 @@ obj-$(CONFIG_MTD_NAND_NANDSIM)		+= nandsim.o
- obj-$(CONFIG_MTD_NAND_CS553X)		+= cs553x_nand.o
- obj-$(CONFIG_MTD_NAND_NDFC)		+= ndfc.o
- obj-$(CONFIG_MTD_NAND_AT91)		+= at91_nand.o
-+obj-$(CONFIG_MTD_NAND_CM_X270)		+= cmx270-nand.o
- 
- nand-objs := nand_base.o nand_bbt.o
- cafe_nand-objs := cafe.o cafe_ecc.o
-diff --git a/drivers/mtd/nand/cmx270-nand.c b/drivers/mtd/nand/cmx270-nand.c
-new file mode 100644
-index 0000000000000000000000000000000000000000..1cd531e610dee846e246b4b1d56bb4119939682b
---- /dev/null
-+++ b/drivers/mtd/nand/cmx270-nand.c
-@@ -0,0 +1,271 @@
-+/*
-+ *  drivers/mtd/nand/cmx270-nand.c
-+ *
-+ *  Copyright (C) 2005 Compulab, Ltd. (mike@compulab.co.il)
-+ *                2007 BEC Systems, LLC (cbrake@bec-systems.com)
-+ *                     - updated to 2.6.20 NAND API
-+ *
-+ *  Derived from drivers/mtd/nand/h1910.c
-+ *       Copyright (C) 2002 Marius Gröger (mag@sysgo.de)
-+ *       Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
-+ *
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ *
-+ *  Overview:
-+ *   This is a device driver for the NAND flash device found on the
-+ *   CM-X270 board.
-+ */
-+
-+#include <linux/slab.h>
-+#include <linux/init.h>
-+#include <linux/module.h>
-+#include <linux/mtd/mtd.h>
-+#include <linux/mtd/nand.h>
-+#include <linux/mtd/partitions.h>
-+
-+#include <asm/io.h>
-+#include <asm/irq.h>
-+#include <asm/arch/hardware.h>
-+#include <asm/arch/pxa-regs.h>
-+
-+#define GPIO_NAND_CS	(11)
-+#define GPIO_NAND_RB	(89)
-+
-+#define DRAIN_WB() \
-+	do { \
-+		unsigned char dummy; \
-+		asm volatile ("mcr p15, 0, r0, c7, c10, 4":::"r0"); \
-+		dummy=*((volatile unsigned char*)UNCACHED_ADDR); \
-+	} while(0);
-+
-+/*
-+ * MTD structure for CM-X270 board
-+ */
-+static struct mtd_info *cmx270_nand_mtd = NULL;
-+
-+/*
-+ * Module stuff
-+ */
-+
-+#ifdef CONFIG_MTD_PARTITIONS
-+/*
-+ * Define static partitions for flash device
-+ */
-+static struct mtd_partition partition_info[] = {
-+	{
-+		.name = "app",
-+		.offset = 0,
-+		.size = 64*1024*1024
-+	},
-+	{
-+		.name = "data",
-+		.offset = MTDPART_OFS_APPEND,
-+		.size = MTDPART_SIZ_FULL
-+	}
-+};
-+
-+#define NUM_PARTITIONS ARRAY_SIZE(partition_info)
-+
-+#endif
-+
-+
-+static 	u_char cmx270_read_byte(struct mtd_info *mtd)
-+{
-+	struct nand_chip *this = mtd->priv;
-+	return (readl(this->IO_ADDR_R) >> 16);
-+}
-+
-+static void cmx270_write_byte(struct mtd_info *mtd, u_char byte)
-+{
-+	struct nand_chip *this = mtd->priv;
-+	writel((byte << 16), this->IO_ADDR_W);
-+}
-+
-+static void cmx270_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
-+{
-+	int i;
-+	struct nand_chip *this = mtd->priv;
-+
-+	for (i=0; i<len; i++) {
-+		writel((*buf++ << 16), this->IO_ADDR_W);
-+	}
-+}
-+
-+static void cmx270_read_buf(struct mtd_info *mtd, u_char *buf, int len)
-+{
-+	int i;
-+	struct nand_chip *this = mtd->priv;
-+
-+	for (i=0; i<len; i++) {
-+		*buf++ = readl(this->IO_ADDR_R) >> 16;
-+	}
-+}
-+
-+static int cmx270_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
-+{
-+	int i;
-+	struct nand_chip *this = mtd->priv;
-+
-+	for (i=0; i<len; i++) {
-+		if ( buf[i] != (u_char)(readl(this->IO_ADDR_R) >> 16) )
-+			return -EFAULT;
-+	}
-+
-+	return 0;
-+}
-+
-+static inline void nand_cs_on(void)
-+{
-+	GPCR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS);
-+}
-+
-+static void nand_cs_off(void)
-+{
-+	DRAIN_WB();
-+
-+	GPSR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS);
-+}
-+
-+/*
-+ *	hardware specific access to control-lines
-+ *
-+ *	NAND_NCE: bit 0 - GPIO_NAND_CS
-+ *	NAND_CLE: bit 1 - address bit 2
-+ *	NAND_ALE: bit 2 - address bit 3
-+ */
-+static void cmx270_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-+{
-+	struct nand_chip* chip = mtd->priv;
-+
-+	DRAIN_WB();
-+
-+	if (ctrl & NAND_CTRL_CHANGE) {
-+		if (ctrl & NAND_NCE) nand_cs_on();
-+		else nand_cs_off();
-+	}
-+
-+
-+	if (cmd != NAND_CMD_NONE) {
-+		writel(cmd << 16, (unsigned int)(chip->IO_ADDR_W) | ((ctrl & 0x6) << 1 ));
-+	}
-+
-+	DRAIN_WB();
-+}
-+
-+/*
-+ *	read device ready pin
-+ */
-+static int cmx270_device_ready(struct mtd_info *mtd)
-+{
-+	DRAIN_WB();
-+	return ( GPLR(GPIO_NAND_RB) & GPIO_bit(GPIO_NAND_RB) );
-+}
-+
-+/*
-+ * Main initialization routine
-+ */
-+static int __init cmx270_init (void)
-+{
-+	struct nand_chip *this;
-+	const char *part_type = 0;
-+	int mtd_parts_nb = 0;
-+	struct mtd_partition *mtd_parts = 0;
-+	static unsigned int nandaddr = 0;
-+
-+
-+	/* Allocate memory for MTD device structure and private data */
-+	cmx270_nand_mtd = kmalloc(sizeof(struct mtd_info) +
-+				    sizeof(struct nand_chip),
-+				    GFP_KERNEL);
-+	if (!cmx270_nand_mtd) {
-+		printk("Unable to allocate CM-X270 NAND MTD device structure.\n");
-+		return -ENOMEM;
-+	}
-+
-+	nandaddr = (volatile unsigned int)ioremap(PXA_CS1_PHYS, 100);
-+
-+	/* Get pointer to private data */
-+	this = (struct nand_chip *) (&cmx270_nand_mtd[1]);
-+
-+	/* Initialize structures */
-+	memset((char *) cmx270_nand_mtd, 0, sizeof(struct mtd_info));
-+	memset((char *) this, 0, sizeof(struct nand_chip));
-+
-+	/* Link the private data with the MTD structure */
-+	cmx270_nand_mtd->priv = this;
-+	cmx270_nand_mtd->owner = THIS_MODULE;
-+
-+	/* insert callbacks */
-+	this->IO_ADDR_R = (void __iomem *)nandaddr;
-+	this->IO_ADDR_W = (void __iomem *)nandaddr;
-+	this->cmd_ctrl = cmx270_hwcontrol;
-+/* 	this->dev_ready = cmx270_device_ready;	/\* unknown whether that was correct or not so we will just do it like this *\/ */
-+
-+	/* 15 us command delay time */
-+	this->chip_delay = 50;
-+	this->ecc.mode = NAND_ECC_SOFT;
-+
-+	/* read/write functions */
-+	this->read_byte = cmx270_read_byte;
-+	//this->write_byte = cmx270_write_byte;
-+	this->read_buf = cmx270_read_buf;
-+	this->write_buf = cmx270_write_buf;
-+	this->verify_buf = cmx270_verify_buf;
-+
-+	/* Scan to find existence of the device */
-+	if (nand_scan (cmx270_nand_mtd, 1)) {
-+		printk(KERN_NOTICE "No NAND device - returning -ENXIO\n");
-+		iounmap((void*)nandaddr);
-+		kfree (cmx270_nand_mtd);
-+		return -ENXIO;
-+	}
-+
-+//#ifdef CONFIG_MTD_CMDLINE_PARTS
-+#if 0
-+	mtd_parts_nb = parse_cmdline_partitions(cmx270_nand_mtd, &mtd_parts,
-+						"cmx270");
-+	if (mtd_parts_nb > 0)
-+	  part_type = "command line";
-+	else
-+	  mtd_parts_nb = 0;
-+#endif
-+	if (mtd_parts_nb == 0)
-+	{
-+		mtd_parts = partition_info;
-+		mtd_parts_nb = NUM_PARTITIONS;
-+		part_type = "static";
-+	}
-+
-+	/* Register the partitions */
-+	printk(KERN_NOTICE "Using %s partition definition\n", part_type);
-+	add_mtd_partitions(cmx270_nand_mtd, mtd_parts, mtd_parts_nb);
-+
-+	/* Return happy */
-+	return 0;
-+}
-+module_init(cmx270_init);
-+
-+/*
-+ * Clean up routine
-+ */
-+static void __exit cmx270_cleanup (void)
-+{
-+	struct nand_chip *this;
-+
-+	this = (struct nand_chip *) (&cmx270_nand_mtd[1]);
-+	iounmap(this->IO_ADDR_R);
-+
-+	/* Release resources, unregister device */
-+	nand_release (cmx270_nand_mtd);
-+
-+	/* Free the MTD device structure */
-+	kfree (cmx270_nand_mtd);
-+}
-+module_exit(cmx270_cleanup);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Mike Rapoport <mike at compulab dot co dot il>");
-+MODULE_DESCRIPTION("NAND flash driver for Compulab CM-X270 Core");
--- 
-1.4.4.4
-